/* ============================================================
 * Delin 官网 - 视觉基座
 * 设计语言参考 seewo.com 的现代中文企业站
 * 配色 / 节奏 / 组件对齐，深色 Hero 与 Footer 来自该参照
 * ============================================================ */

:root {
  /* 颜色 */
  --c-primary: #1868E0;
  --c-primary-deep: #1456C2;
  --c-primary-tint: #E8F0FE;
  --c-accent: #00B574;
  --c-metric-3: #F2A93B;
  --c-metric-4: #B561F2;
  --c-ink: #0F1A2C;
  --c-ink-2: #1A2540;
  --c-text: #2A3447;
  --c-text-mute: #6B7589;
  --c-text-soft: #97A0B3;
  --c-line: #E6EAF0;
  --c-line-soft: #F0F3F7;
  --c-bg: #ffffff;
  --c-bg-alt: #F5F7FA;
  --c-bg-deep: #0E1A2C;
  --c-bg-deep-2: #0A1424;
  --c-bg-tint: #F8FAFD;

  /* 字体 */
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* 尺寸 */
  --max: 1280px;
  --max-tight: 1180px;
  --header-h: 76px;

  /* 节奏 */
  --space-section: clamp(72px, 8vw, 120px);
}

/* Reset */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--c-text);
  background: var(--c-bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 200ms ease; }
a:hover { color: var(--c-primary); }
h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

/* 选区颜色 */
::selection { background: var(--c-primary); color: #fff; }

/* Skip link */
.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 1000;
  padding: 10px 14px; color: #fff; background: var(--c-primary);
  border-radius: 4px; font-size: 14px;
  transition: top 180ms ease;
}
.skip-link:focus { top: 16px; }

/* 键盘焦点环 */
a:focus-visible,
button:focus-visible,
.button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
 * 容器
 * ============================================================ */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.container-tight {
  width: 100%;
  max-width: var(--max-tight);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* ============================================================
 * 顶栏
 * 默认透明（覆盖在深色 hero 上），下滑后变白底深字
 * ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 32px);
  padding: 0 clamp(20px, 4vw, 40px);
  background: transparent;
  border-bottom: 1px solid transparent;
  color: #fff;
  box-shadow: none;
  transition: background 320ms ease, border-color 320ms ease, box-shadow 320ms ease, color 320ms ease;
}
.site-header[data-elevated="true"] {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom-color: var(--c-line);
  box-shadow: 0 1px 0 rgba(15, 26, 44, 0.04);
  color: var(--c-ink);
}
.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.brand img {
  height: 36px; width: auto;
  filter: brightness(0) invert(1);
  transition: filter 320ms ease;
}
.site-header[data-elevated="true"] .brand img { filter: none; }

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  flex: 1 1 auto;
  justify-content: center;
}
.main-nav a,
.main-nav span.has-megamenu {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: 15px;
  color: inherit;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: color 320ms ease;
}
.main-nav a[aria-current="page"] {
  color: #fff;
}
.site-header[data-elevated="true"] .main-nav a { color: var(--c-ink); }
.site-header[data-elevated="true"] .main-nav a[aria-current="page"] { color: var(--c-primary); }
.main-nav a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: background 320ms ease;
}
.site-header[data-elevated="true"] .main-nav a[aria-current="page"]::before { background: var(--c-primary); }
.main-nav a:hover { color: #fff; }
.site-header[data-elevated="true"] .main-nav a:hover { color: var(--c-primary); }

.main-nav a.has-megamenu,
.main-nav span.has-megamenu {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.main-nav a.has-megamenu::after,
.main-nav span.has-megamenu::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  background: transparent;
  transform: rotate(45deg);
  margin-left: 4px;
  opacity: 0.55;
  transition: transform 240ms ease, opacity 240ms ease;
}
.main-nav a.has-megamenu:hover::after,
.main-nav span.has-megamenu:hover::after { transform: rotate(-135deg); opacity: 0.9; }
.main-nav a.has-megamenu.is-active,
.main-nav span.has-megamenu.is-active { color: #fff; }
.site-header[data-elevated="true"] .main-nav a.has-megamenu.is-active,
.site-header[data-elevated="true"] .main-nav span.has-megamenu.is-active { color: var(--c-primary); }

/* ============================================================
 * 顶栏 mega menu
 * ============================================================ */
.megamenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: min(1180px, calc(100vw - 80px));
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
  box-shadow: 0 24px 60px -20px rgba(15, 26, 44, 0.18),
              0 4px 12px -4px rgba(15, 26, 44, 0.08);
  padding: 30px clamp(26px, 3vw, 44px) 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, transform 220ms ease, visibility 0s 220ms;
  z-index: 60;
}
.megamenu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity 220ms ease, transform 220ms ease, visibility 0s;
}
.megamenu-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(34px, 7vw, 88px);
  border-right: none;
  padding-right: 0;
}
.megamenu-tab {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 0;
  font-size: 20px;
  color: var(--c-ink);
  font-weight: 650;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  border-radius: 0;
  transition: background 200ms ease, color 200ms ease;
  position: relative;
}
.megamenu-tab:hover { color: var(--c-primary); background: transparent; }
.megamenu-tab.is-active {
  color: var(--c-primary);
  background: transparent;
  font-weight: 700;
}
.megamenu-tab.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 26px;
  height: 2px;
  background: var(--c-primary);
}
.megamenu-panes {
  position: relative;
  min-height: 190px;
}
.megamenu-pane {
  display: none;
  text-align: center;
}
.megamenu-pane.is-active { display: block; }
.megamenu-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  vertical-align: top;
  width: 150px;
  margin: 0 9px 24px;
  text-align: center;
  gap: 12px;
  padding: 0;
  border-radius: 0;
  background: var(--c-bg);
  border: 1px solid transparent;
  transition: color 200ms ease, transform 200ms ease;
  text-decoration: none;
  color: inherit;
}
.megamenu-card:hover {
  background: var(--c-bg);
  border-color: transparent;
  transform: translateY(-2px);
}
.megamenu-card .mm-thumb {
  width: min(116px, 64%);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--c-line);
  border-radius: 26px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 16px 34px -24px rgba(15, 37, 64, 0.45);
}
.megamenu-card .mm-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 260ms ease;
}
.megamenu-card:hover .mm-thumb img {
  transform: scale(1.04);
}
.megamenu-card .mm-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.3;
  text-align: center;
  max-width: 180px;
}
.megamenu-card:hover .mm-name {
  color: var(--c-primary);
}
.megamenu-foot {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 10px;
  margin-top: 2px;
  border-top: none;
}
.megamenu-foot span {
  display: none;
}
.megamenu-foot a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
  text-decoration: none;
}
.megamenu-foot a::after {
  content: "→";
  transition: transform 200ms ease;
}
.megamenu-foot a:hover::after { transform: translateX(4px); }
.megamenu-scrim {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  height: 60vh;
  background: rgba(15, 26, 44, 0.32);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, visibility 0s 220ms;
  z-index: 55;
}
.megamenu-scrim.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 220ms ease, visibility 0s;
}

.nav-tools { display: none; }

.menu-toggle { display: none; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  background: var(--c-primary);
  color: #fff;
  transition: all 200ms ease;
  white-space: nowrap;
  flex: 0 0 auto;
}
.nav-cta:hover {
  background: var(--c-primary-deep);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29, 112, 242, 0.3);
}

/* ============================================================
 * Hero
 * ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: var(--c-bg-deep);
  margin-top: 0;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--hero-bg, var(--c-bg-deep)) center/cover no-repeat;
  transform: scale(1.04);
  transition: transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero.is-loaded .hero-bg { transform: scale(1); }
.hero-veiling {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg,
      rgba(14, 26, 44, 0.92) 0%,
      rgba(14, 26, 44, 0.78) 8%,
      rgba(14, 26, 44, 0.45) 18%,
      rgba(14, 26, 44, 0.10) 32%,
      rgba(0, 0, 0, 0.04) 55%,
      rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(90deg, rgba(14, 26, 44, 0.55) 0%, rgba(14, 26, 44, 0.10) 55%, rgba(14, 26, 44, 0.05) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: clamp(80px, 12vw, 160px) 0 clamp(80px, 12vw, 160px);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background: var(--c-primary);
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 28px;
  max-width: 880px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
}
.hero-lead {
  font-size: clamp(18px, 1.9vw, 24px);
  color: rgba(255, 255, 255, 0.92);
  max-width: 720px;
  margin-bottom: 44px;
  line-height: 1.5;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
 * 按钮
 * ============================================================ */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 200ms ease;
  white-space: nowrap;
}
.button.primary {
  background: var(--c-primary);
  color: #fff;
}
.button.primary:hover {
  background: var(--c-primary-deep);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29, 112, 242, 0.3);
}
.button.secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.button.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: #fff;
}
.button.outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.button.outline:hover {
  background: var(--c-primary);
  color: #fff;
}
.button.ghost {
  background: transparent;
  color: var(--c-primary);
  padding: 0 8px;
  height: auto;
}
.button.ghost::after {
  content: "→";
  transition: transform 200ms ease;
}
.button.ghost:hover { color: var(--c-primary-deep); }
.button.ghost:hover::after { transform: translateX(4px); }

/* ============================================================
 * Section 基类与节段头
 * ============================================================ */
.section {
  padding: var(--space-section) 0;
  position: relative;
}
.section.tight { padding: clamp(56px, 6vw, 88px) 0; }
.section.dark {
  background: var(--c-bg-deep);
  color: rgba(255, 255, 255, 0.92);
}
.section.alt { background: var(--c-bg-alt); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 800px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; align-items: center; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-mute);
  letter-spacing: 0.04em;
}
.kicker::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--c-primary);
}
.section.dark .kicker { color: rgba(255, 255, 255, 0.7); }

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-mute);
  letter-spacing: 0.04em;
}
.section-kicker::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--c-primary);
}

.section-title {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.section.dark .section-title { color: #fff; }
.section-title em {
  font-style: normal;
  color: var(--c-primary);
}
.section-lead {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--c-text-mute);
  line-height: 1.7;
  max-width: 720px;
}
.section.dark .section-lead { color: rgba(255, 255, 255, 0.7); }

/* ============================================================
 * 首页能力与入口
 * ============================================================ */
.home-capabilities {
  background: var(--c-bg);
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.capability-item {
  padding: clamp(28px, 4vw, 44px);
  background: var(--c-bg);
  transition: background 220ms ease;
}
.capability-item:hover { background: var(--c-bg-tint); }
.capability-item .num {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}
.capability-item h3 {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
  margin-bottom: 16px;
}
.capability-item p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.7;
}

.home-offering-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.home-offering-card {
  min-height: 230px;
  padding: clamp(26px, 3vw, 36px);
  border-radius: 8px;
  border: 1px solid var(--c-line);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}
.home-offering-card:hover {
  border-color: rgba(24, 104, 224, 0.34);
  box-shadow: 0 18px 40px -30px rgba(15, 26, 44, 0.36);
  transform: translateY(-2px);
}
.home-offering-card .meta {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}
.home-offering-card h3 {
  font-size: clamp(20px, 2vw, 24px);
  color: var(--c-ink);
  line-height: 1.35;
  margin-bottom: 12px;
}
.home-offering-card p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-bottom: 24px;
}
.home-offering-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}
.home-offering-card .more::after {
  content: "→";
  transition: transform 180ms ease;
}
.home-offering-card:hover .more::after {
  transform: translateX(4px);
}
.home-service-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(34px, 5vw, 58px);
  border-radius: 8px;
  background: var(--c-bg-deep);
  color: rgba(255, 255, 255, 0.9);
}
.home-service-panel .section-title {
  color: #fff;
}
.home-service-panel .section-lead {
  color: rgba(255, 255, 255, 0.72);
}
.home-service-panel .kicker {
  color: rgba(255, 255, 255, 0.72);
}
.home-service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.home-service-list a {
  display: grid;
  grid-template-columns: 44px minmax(0, 0.72fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: center;
  min-height: 86px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  transition: background 220ms ease, border-color 220ms ease;
}
.home-service-list a:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}
.home-service-list span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.54);
  letter-spacing: 0.08em;
}
.home-service-list strong {
  font-size: 18px;
  color: #fff;
}
.home-service-list p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
}
.home-proof-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: var(--c-bg);
}
.home-proof-strip h2 {
  max-width: 760px;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.28;
  color: var(--c-ink);
}

/* ============================================================
 * 解决方案 - 标签切换
 * ============================================================ */
.solution-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 48px;
}
.solution-tab {
  position: relative;
  background: transparent;
  border: none;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text-mute);
  cursor: pointer;
  transition: color 200ms ease;
}
.solution-tab:hover { color: var(--c-ink); }
.solution-tab.is-active { color: var(--c-primary); font-weight: 600; }
.solution-tab.is-active::after {
  content: "";
  position: absolute;
  left: 24px; right: 24px;
  bottom: -1px;
  height: 2px;
  background: var(--c-primary);
}

.solution-pane { display: none; }
.solution-pane.is-active { display: grid; }
.solution-pane {
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
.solution-pane-media {
  aspect-ratio: 4 / 3;
  background: var(--c-bg-alt);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--c-line);
}
.solution-pane-media img { width: 100%; height: 100%; object-fit: cover; }
.solution-pane-body h3 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.solution-pane-body > p {
  font-size: 16px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-bottom: 24px;
}
.solution-pane-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.solution-pane-tags li {
  font-size: 13px;
  color: var(--c-text);
  background: var(--c-bg-alt);
  padding: 6px 14px;
  border-radius: 999px;
}

/* ============================================================
 * 客户案例 / 标杆
 * ============================================================ */
.featured-case {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: stretch;
}
.featured-case .media {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-bg-alt);
}
.featured-case .media img { width: 100%; height: 100%; object-fit: cover; }
.featured-case .copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-case .copy h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.featured-case .copy p {
  font-size: 16px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-bottom: 24px;
}
.featured-case blockquote {
  margin: 0 0 32px 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--c-primary);
  font-size: 16px;
  color: var(--c-ink);
  line-height: 1.7;
  font-style: normal;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.case-metrics > div {
  display: flex;
  flex-direction: column;
  padding: 18px 0 0 0;
  border-top: 2px solid var(--c-line);
}
.case-metrics strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.case-metrics span {
  font-size: 13px;
  color: var(--c-text-mute);
  margin-top: 6px;
}

/* 标杆案例：3 张全宽卡片 + 交替左右 */
.benchmark-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 5vw, 64px);
}
.benchmark-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: clamp(24px, 3vw, 40px);
  transition: border-color 240ms ease, transform 240ms ease;
}
.benchmark-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}
.benchmark-card.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}
.benchmark-card.reverse .media { order: 2; }
.benchmark-card.reverse .copy { order: 1; }
.benchmark-card .media {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-bg-alt);
}
.benchmark-card .media img {
  width: 100%; height: 100%; object-fit: cover;
}
.benchmark-card .copy {
  display: flex;
  flex-direction: column;
}
.benchmark-card .copy .kicker {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-primary);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.benchmark-card .copy h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.benchmark-card .copy > p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.75;
  margin-bottom: 24px;
}
.benchmark-card .case-metrics { margin-bottom: 24px; }
.case-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--c-line);
  padding-top: 20px;
}
.case-highlights li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.6;
}
.case-highlights li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 2px;
  background: var(--c-primary);
}

/* ============================================================
 * 3 个服务支持图标卡 - seewo 底部那个
 * ============================================================ */
.support-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.support-tile {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  transition: border-color 240ms ease, transform 240ms ease;
}
.support-tile:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}
.support-tile .icon {
  width: 56px; height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--c-primary-tint);
  color: var(--c-primary);
}
.support-tile .icon svg { width: 28px; height: 28px; }
.support-tile h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}
.support-tile p {
  font-size: 14px;
  color: var(--c-text-mute);
  line-height: 1.7;
}
.support-tile .more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-primary);
}
.support-tile .more::after { content: "→"; transition: transform 200ms ease; }
.support-tile:hover .more::after { transform: translateX(4px); }

/* ============================================================
 * 联系我们
 * ============================================================ */
.cta-band {
  background: var(--c-bg);
  padding: clamp(72px, 9vw, 120px) 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.cta-band p {
  font-size: 16px;
  color: var(--c-text-mute);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ============================================================
 * 二级页 Page Hero
 * ============================================================ */
.page-hero {
  position: relative;
  margin-top: 0;
  padding: calc(var(--header-h) + clamp(40px, 6vw, 80px)) 0 clamp(64px, 8vw, 100px);
  background: var(--c-bg-alt);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--page-bg) center/cover no-repeat;
  opacity: 0.18;
}
.page-hero.dark { color: #fff; }
.page-hero.dark .page-hero-bg { opacity: 1; }
.page-hero.dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.7) 100%),
    linear-gradient(90deg, rgba(14,26,44,0.7) 0%, rgba(14,26,44,0.15) 55%, rgba(14,26,44,0) 100%);
  z-index: 0;
}
.page-hero.dark h1, .page-hero.dark .eyebrow { color: #fff; }
.page-hero.dark p { color: rgba(255, 255, 255, 0.85); }
.page-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.page-hero-inner > h1,
.page-hero-inner > p {
  max-width: 880px;
}
.page-hero h1 {
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin-bottom: 20px;
}
.page-hero p {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--c-text-mute);
  line-height: 1.7;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-mute);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-primary);
}

/* ============================================================
 * 二级页：产品目录
 * ============================================================ */
.catalog-nav {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  border-top: 1px solid var(--c-line);
  position: sticky;
  top: var(--header-h);
  z-index: 20;
}
.catalog-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  height: 60px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.catalog-nav a {
  font-size: 14px;
  color: var(--c-text);
  padding: 6px 14px;
  border-radius: 4px;
  transition: background 200ms ease, color 200ms ease;
}
.catalog-nav a:hover {
  background: var(--c-primary-tint);
  color: var(--c-primary);
}

.product-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.35fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 7vw, 96px) clamp(20px, 4vw, 40px);
}
.product-showcase-copy {
  max-width: 520px;
}
.product-showcase-copy h2 {
  font-size: clamp(26px, 2.7vw, 34px);
  line-height: 1.28;
  color: var(--c-ink);
  margin: 8px 0 18px;
}
.product-showcase-copy p:not(.section-kicker) {
  color: var(--c-text-mute);
  line-height: 1.8;
}
.product-showcase-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #0f6c71;
  border: 1px solid rgba(15, 26, 44, 0.08);
  box-shadow: 0 26px 70px -38px rgba(15, 26, 44, 0.42);
}
.product-showcase-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.product-family {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 100px) clamp(20px, 4vw, 40px);
  border-top: 1px solid var(--c-line);
}
.product-family:first-of-type,
.product-showcase + .product-family { border-top: none; }
.family-head {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 32px;
  margin-bottom: 48px;
  align-items: start;
}
.family-head .num {
  font-size: 56px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
  letter-spacing: -0.04em;
}
.family-head .head-text h2 {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.3;
  margin-bottom: 8px;
}
.family-head .head-text p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.7;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.detail-card {
  background: var(--c-bg);
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 240ms ease;
}
.detail-card:hover { background: var(--c-bg-tint); }
.detail-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}
.detail-card > p {
  font-size: 14px;
  color: var(--c-text-mute);
  line-height: 1.7;
}
.detail-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.detail-card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--c-text);
  line-height: 1.6;
}
.detail-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 1px;
  background: var(--c-primary);
}

/* ============================================================
 * 二级页：方案概览
 * ============================================================ */
.solution-method,
.solution-detail {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: clamp(20px, 4vw, 40px);
  padding-right: clamp(20px, 4vw, 40px);
}
.solution-method {
  padding-top: clamp(56px, 7vw, 96px);
  padding-bottom: clamp(48px, 6vw, 80px);
}
.solution-method .section-head h2 {
  font-size: clamp(26px, 2.7vw, 34px);
  line-height: 1.28;
  color: var(--c-ink);
}
.solution-method .section-head p {
  color: var(--c-text-mute);
  line-height: 1.75;
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.method-step {
  background: var(--c-bg);
  padding: clamp(28px, 3vw, 40px);
  min-height: 220px;
}
.method-step span {
  display: inline-block;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 36px;
}
.method-step h3 {
  color: var(--c-ink);
  font-size: 22px;
  line-height: 1.35;
  margin-bottom: 12px;
}
.method-step p {
  color: var(--c-text-mute);
  line-height: 1.75;
}
.solution-detail {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(46px, 6vw, 72px);
  padding-bottom: clamp(46px, 6vw, 72px);
  border-top: 1px solid var(--c-line);
}
.solution-number {
  color: var(--c-primary);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.05em;
}
.solution-body {
  max-width: 860px;
}
.solution-body h2 {
  color: var(--c-ink);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.22;
  margin: 8px 0 16px;
}
.solution-body > p:not(.section-kicker) {
  color: var(--c-text-mute);
  line-height: 1.85;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.tag-list li {
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--c-text);
  background: var(--c-bg);
  font-size: 13px;
}

/* ============================================================
 * 详情页：痛点 / 模块
 * ============================================================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  position: relative;
  padding: clamp(28px, 3vw, 40px);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  transition: border-color 240ms ease, transform 240ms ease;
}
.pain-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}
.pain-card .num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.pain-card .num::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--c-primary);
  vertical-align: middle;
  margin-right: 8px;
}
.pain-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.5;
}

.module-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.module-cell {
  position: relative;
  padding: clamp(24px, 2.6vw, 32px);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 140px;
  transition: background 240ms ease;
}
.module-cell:hover { background: var(--c-bg-tint); }
.module-cell .step {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}
.module-cell .name {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink);
  line-height: 1.5;
}

.source-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--c-bg-tint);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  font-size: 13px;
  color: var(--c-text-mute);
  line-height: 1.6;
}
.source-strip .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}
.source-strip .label::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  background: var(--c-primary);
}
.source-strip strong {
  font-weight: 500;
  color: var(--c-ink);
  flex: 1 1 auto;
  word-break: break-word;
}

/* ============================================================
 * 产品 / 方案详情页
 * ============================================================ */
.detail-main {
  --detail-accent: var(--c-primary);
  --detail-accent-soft: var(--c-primary-tint);
  background: var(--c-bg);
}
.detail-blue { --detail-accent: #1868e0; --detail-accent-soft: #edf5ff; }
.detail-cyan { --detail-accent: #087f8c; --detail-accent-soft: #eaf8f9; }
.detail-teal { --detail-accent: #12806a; --detail-accent-soft: #ecf7f3; }
.detail-green { --detail-accent: #2f7d4b; --detail-accent-soft: #edf7ef; }
.detail-amber { --detail-accent: #a66500; --detail-accent-soft: #fff6e5; }
.detail-indigo { --detail-accent: #4d5fc4; --detail-accent-soft: #f0f2ff; }
.detail-violet { --detail-accent: #6a56b7; --detail-accent-soft: #f4f1ff; }
.detail-slate { --detail-accent: #40536f; --detail-accent-soft: #f1f4f8; }

/* ============================================================
 * 教学数字底座详情页（参考希沃版式重做）
 * ============================================================ */
.dhb-hero {
  position: relative;
  min-height: clamp(540px, 70vh, 720px);
  padding: calc(var(--header-h) + clamp(40px, 6vw, 80px)) 24px clamp(56px, 7vw, 88px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.dhb-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: url("../assets/product-visuals/teaching-digital-base.png") center/cover no-repeat;
  filter: saturate(1.05);
}
.dhb-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.2) 70%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.1) 35%, rgba(255, 255, 255, 0.7) 100%);
}
.dhb-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(24, 104, 224, 0.05), transparent 60%);
}
.dhb-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  max-width: 880px;
  margin: 0 auto;
}
.dhb-hero-inner .eyebrow {
  margin-bottom: 0;
  color: var(--detail-accent);
}
.dhb-hero-inner .eyebrow::before { background: var(--detail-accent); }
.dhb-hero-inner h1 {
  font-size: clamp(40px, 5.6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  margin: 6px 0 4px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}
.dhb-hero-pillars {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--c-text-mute);
  margin: 6px 0 14px;
}
.dhb-hero-pillars span { color: var(--c-ink); font-weight: 500; }
.dhb-hero-pillars i {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-line);
}
.dhb-hero-inner .hero-actions { justify-content: center; }

/* 环绕 6 个能力图标球 */
.dhb-hero-orbit {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.orb {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(56px, 7vw, 84px);
  height: clamp(56px, 7vw, 84px);
  border-radius: 50%;
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(160deg, var(--detail-accent), color-mix(in srgb, var(--detail-accent) 60%, #6ea8ff));
  box-shadow:
    0 12px 32px rgba(24, 104, 224, 0.35),
    0 0 0 8px rgba(255, 255, 255, 0.55),
    inset 0 -6px 12px rgba(0, 0, 0, 0.08);
  letter-spacing: 0;
}
.orb-1 { top: 28%; left: 8%;  }
.orb-2 { top: 12%; left: 22%; }
.orb-3 { top: 64%; left: 4%;  }
.orb-4 { top: 64%; right: 4%; }
.orb-5 { top: 12%; right: 22%;}
.orb-6 { top: 28%; right: 8%; }

@media (max-width: 1024px) {
  .orb { width: 52px; height: 52px; font-size: 18px; }
  .orb-2, .orb-5 { display: none; }
}
@media (max-width: 640px) {
  .dhb-hero-orbit { display: none; }
  .dhb-hero-inner h1 { font-size: clamp(32px, 9vw, 44px); }
}

.dhb-capability {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(48px, 6vw, 88px) 24px;
  display: flex;
  flex-direction: column;
  gap: clamp(72px, 9vw, 120px);
}
.dhb-cap-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.dhb-cap-row.reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
.dhb-cap-row.reverse .dhb-cap-copy { order: 2; }
.dhb-cap-row.reverse .dhb-cap-art { order: 1; }
.dhb-cap-copy h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 10px 0 22px;
  max-width: 460px;
}
.dhb-cap-copy ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.dhb-cap-copy li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-mute);
}
.dhb-cap-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 2px;
  background: var(--detail-accent);
}
.dhb-cap-art {
  border-radius: 12px;
  overflow: hidden;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  aspect-ratio: 4 / 3;
}
.dhb-cap-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 场景联动面板（CSS 绘制的"假图"） */
.dhb-cap-board {
  height: 100%;
  padding: clamp(20px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: linear-gradient(160deg, #0f172a, #1e293b);
  color: #fff;
}
.dhb-cap-board-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.dhb-cap-board-head em {
  font-style: normal;
  color: #5eead4;
  letter-spacing: 0.05em;
}
.dhb-cap-board-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.dhb-cap-board-grid > div {
  padding: 14px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dhb-cap-board-grid span { font-size: 12px; color: rgba(255, 255, 255, 0.55); }
.dhb-cap-board-grid em { font-style: normal; font-size: 18px; font-weight: 600; color: #5eead4; }
.dhb-cap-board-foot {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
}

/* 数据看板（CSS 绘制） */
.dhb-cap-dash {
  height: 100%;
  padding: clamp(20px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 22px;
  background: linear-gradient(180deg, var(--detail-accent-soft), #fff);
}
.dhb-cap-dash-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.dhb-cap-dash-num {
  padding: 18px 14px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dhb-cap-dash-num strong {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--detail-accent);
  line-height: 1.1;
}
.dhb-cap-dash-num span { font-size: 12px; color: var(--c-text-mute); }
.dhb-cap-dash-bars {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  align-items: end;
  min-height: 120px;
}
.dhb-cap-dash-bars span {
  display: block;
  background: linear-gradient(180deg, var(--detail-accent), color-mix(in srgb, var(--detail-accent) 40%, #fff));
  border-radius: 4px 4px 0 0;
  height: 50%;
}
.dhb-cap-dash-bars .h0 { height: 46%; }
.dhb-cap-dash-bars .h1 { height: 62%; }
.dhb-cap-dash-bars .h2 { height: 78%; }
.dhb-cap-dash-bars .h3 { height: 54%; }
.dhb-cap-dash-bars .h4 { height: 70%; }
.dhb-cap-dash-bars .h5 { height: 40%; }
.dhb-cap-dash-bars .h6 { height: 84%; }
.dhb-cap-dash-foot {
  font-size: 12px;
  color: var(--c-text-mute);
  border-top: 1px solid var(--c-line);
  padding-top: 12px;
}

/* 能力展示矩阵 */
.dhb-modules {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(64px, 8vw, 104px) 24px;
  background: var(--c-bg-alt);
}
.dhb-modules .detail-section-title h2 {
  max-width: 720px;
  margin-bottom: 12px;
}
.dhb-modules-lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-mute);
  max-width: 720px;
  margin: 12px 0 0;
}
.dhb-module-grid {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.dhb-module-card {
  background: #fff;
  padding: clamp(24px, 2.6vw, 32px);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 200ms ease;
}
.dhb-module-card:hover { background: var(--detail-accent-soft); }
.dhb-module-card span {
  font-size: 13px;
  font-weight: 700;
  color: var(--detail-accent);
  letter-spacing: 0.04em;
}
.dhb-module-card h3 {
  font-size: 18px;
  font-weight: 650;
  color: var(--c-ink);
  line-height: 1.4;
}
.dhb-module-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-mute);
}

/* 场景卡 */
.dhb-scenarios {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(64px, 8vw, 104px) 24px clamp(80px, 10vw, 120px);
}
.dhb-scenario-grid {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.dhb-scenario-card {
  padding: clamp(24px, 2.6vw, 32px);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: #fff;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 200ms ease, background 200ms ease;
}
.dhb-scenario-card:hover {
  border-color: color-mix(in srgb, var(--detail-accent) 40%, var(--c-line));
  background: var(--detail-accent-soft);
}
.dhb-scenario-card h3 {
  font-size: 19px;
  font-weight: 650;
  color: var(--c-ink);
  line-height: 1.4;
}
.dhb-scenario-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-mute);
}
.dhb-scenario-cta {
  background: linear-gradient(160deg, var(--detail-accent-soft), #fff);
  border-color: color-mix(in srgb, var(--detail-accent) 20%, var(--c-line));
  gap: 18px;
}
.dhb-scenario-cta .button.primary { align-self: flex-start; }

@media (max-width: 1024px) {
  .dhb-hero { grid-template-columns: 1fr; }
  .dhb-cap-row,
  .dhb-cap-row.reverse { grid-template-columns: 1fr; }
  .dhb-cap-row.reverse .dhb-cap-copy { order: 1; }
  .dhb-cap-row.reverse .dhb-cap-art { order: 2; }
  .dhb-module-grid { grid-template-columns: repeat(2, 1fr); }
  .dhb-scenario-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .dhb-module-grid { grid-template-columns: 1fr; }
  .dhb-scenario-grid { grid-template-columns: 1fr; }
  .dhb-cap-dash-row { grid-template-columns: 1fr; }
  .dhb-cap-dash-bars { min-height: 80px; }
  .dhb-cap-board-grid { grid-template-columns: repeat(2, 1fr); }
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(112px, 13vw, 156px) 24px clamp(56px, 8vw, 96px);
}
.detail-hero .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}
.detail-hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}
.detail-hero-copy h1 {
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.12;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0;
}
.detail-hero-copy > p:not(.eyebrow) {
  max-width: 600px;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.75;
  color: var(--c-text-mute);
}
.detail-hero-art {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  overflow: hidden;
  background: var(--detail-accent-soft);
  border: 1px solid var(--c-line);
  box-shadow: 0 24px 60px rgba(15, 37, 64, 0.12);
}
.detail-hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0));
  z-index: 1;
  pointer-events: none;
}
.detail-hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.detail-hero-art-contain {
  background:
    radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--detail-accent) 12%, transparent), transparent 34%),
    #fff;
}
.detail-hero-art-contain img {
  object-fit: contain;
}
.detail-overview,
.detail-visual,
.detail-feature-suite,
.detail-journey,
.insight-board,
.value-board,
.capability-stage.detail-model,
.process-map,
.space-map,
.scenario-zones,
.model-layers,
.module-river,
.detail-roadmap,
.scenario-panel {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.detail-section-title .section-kicker,
.scenario-panel .section-kicker,
.capability-copy .section-kicker {
  color: var(--detail-accent);
}
.detail-overview,
.detail-visual,
.detail-feature-suite,
.detail-journey,
.insight-board,
.value-board,
.capability-stage.detail-model,
.process-map,
.space-map,
.scenario-zones,
.module-river,
.detail-roadmap,
.scenario-panel {
  padding-top: clamp(64px, 8vw, 104px);
}
.detail-overview {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.detail-section-title h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  color: var(--c-ink);
  font-weight: 700;
  letter-spacing: 0;
}
.overview-copy {
  display: grid;
  gap: 18px;
}
.overview-copy p {
  font-size: 16px;
  color: var(--c-text);
  line-height: 1.85;
}
.detail-visual {
  display: grid;
  grid-template-columns: minmax(420px, 1.08fr) minmax(0, 0.82fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
  padding-top: clamp(48px, 6vw, 84px);
}
.detail-visual-media {
  position: relative;
  min-height: 360px;
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--detail-accent-soft);
  box-shadow: 0 20px 54px rgba(15, 37, 64, 0.11);
}
.detail-visual-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0));
}
.detail-visual-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.detail-schematic {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(color-mix(in srgb, var(--detail-accent) 9%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--detail-accent) 9%, transparent) 1px, transparent 1px),
    radial-gradient(circle at 24% 18%, color-mix(in srgb, var(--detail-accent) 14%, transparent), transparent 36%),
    linear-gradient(135deg, #fff, color-mix(in srgb, var(--detail-accent) 7%, #f8fbff));
  background-size: 42px 42px, 42px 42px, auto, auto;
}
.detail-schematic-core {
  position: relative;
  display: grid;
  place-content: center;
  gap: 12px;
  min-height: 100%;
  border-radius: 8px;
  text-align: center;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--detail-accent) 16%, transparent), transparent 62%),
    rgba(255,255,255,0.7);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 16%, var(--c-line));
}
.detail-schematic-core::before,
.detail-schematic-core::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--detail-accent) 26%, transparent);
}
.detail-schematic-core::after {
  inset: 28%;
}
.detail-schematic-core span {
  position: relative;
  z-index: 2;
  width: fit-content;
  justify-self: center;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--detail-accent);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 16%, var(--c-line));
  font-size: 12px;
  font-weight: 700;
}
.detail-schematic-core strong {
  position: relative;
  z-index: 2;
  max-width: 220px;
  color: var(--c-ink);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.35;
}
.detail-schematic-layers {
  display: grid;
  gap: 12px;
  align-content: center;
}
.detail-schematic-layer {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255,255,255,0.84);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 14%, var(--c-line));
  box-shadow: 0 10px 28px rgba(15, 37, 64, 0.06);
}
.detail-schematic-layer em {
  color: var(--detail-accent);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}
.detail-schematic-layer p {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}
.detail-schematic-layer b {
  padding: 7px 9px;
  border-radius: 999px;
  color: var(--c-ink);
  background: color-mix(in srgb, var(--detail-accent) 8%, #fff);
  font-size: 12px;
  line-height: 1.35;
}
.detail-schematic-links {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 22px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.detail-schematic-links i {
  padding: 7px 10px;
  border-radius: 999px;
  color: color-mix(in srgb, var(--detail-accent) 80%, var(--c-ink));
  background: rgba(255,255,255,0.88);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
  font-size: 12px;
  font-style: normal;
}
.detail-visual-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  background:
    linear-gradient(135deg, rgba(255,255,255,0.94), rgba(255,255,255,0.78)),
    var(--detail-accent-soft);
  padding: clamp(26px, 4vw, 42px);
}
.detail-visual-label {
  width: fit-content;
  margin-bottom: 18px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--detail-accent);
  background: color-mix(in srgb, var(--detail-accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  font-size: 13px;
  font-weight: 650;
}
.detail-visual-copy h2 {
  color: var(--c-ink);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.35;
  letter-spacing: 0;
}
.detail-visual-copy > p:not(.detail-visual-label) {
  margin-top: 18px;
  color: var(--c-text-mute);
  font-size: 15px;
  line-height: 1.8;
}
.detail-visual-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.detail-visual-chips span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--c-ink);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  font-size: 13px;
  line-height: 1.35;
}
.detail-flow .detail-visual {
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.08fr);
}
.detail-flow .detail-visual-media {
  order: 2;
}
.detail-flow .detail-visual-copy {
  background: linear-gradient(180deg, #fff, var(--detail-accent-soft));
}
.detail-space .detail-visual {
  grid-template-columns: minmax(0, 0.78fr) minmax(430px, 1.12fr);
}
.detail-space .detail-visual-media {
  order: 2;
}
.detail-space .detail-visual-copy {
  background:
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--detail-accent) 14%, transparent), transparent 30%),
    linear-gradient(135deg, #fff, var(--detail-accent-soft));
}
.detail-feature-suite {
  padding-top: clamp(56px, 7vw, 96px);
}
.detail-journey {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}
.detail-journey-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--c-line);
  background: var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.detail-journey-card {
  min-height: 214px;
  padding: clamp(24px, 3vw, 34px);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--detail-accent) 7%, transparent), transparent 46%),
    #fff;
  display: grid;
  gap: 14px;
  transition: background 220ms ease, transform 220ms ease;
}
.detail-journey-card:hover {
  background: var(--detail-accent-soft);
  transform: translateX(4px);
}
.detail-journey-card > span {
  font-size: 12px;
  font-weight: 700;
  color: var(--detail-accent);
  letter-spacing: 0.04em;
}
.detail-journey-card h3 {
  font-size: clamp(19px, 2.1vw, 25px);
  line-height: 1.4;
  font-weight: 650;
  color: var(--c-ink);
  max-width: 680px;
}
.detail-journey-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-mute);
}
.detail-journey-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.detail-journey-card em {
  font-style: normal;
  font-size: 12px;
  color: var(--detail-accent);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 20%, var(--c-line));
  border-radius: 999px;
  padding: 5px 10px;
  background: #fff;
}
.detail-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 30px);
  margin-top: 32px;
}
.detail-feature-panel {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  background:
    radial-gradient(circle at 18% 8%, color-mix(in srgb, var(--detail-accent) 18%, transparent), transparent 32%),
    linear-gradient(180deg, #fff, color-mix(in srgb, var(--detail-accent) 7%, #f8fbff));
  box-shadow: 0 24px 70px rgba(15, 37, 64, 0.1);
}
.detail-feature-copy {
  position: relative;
  z-index: 2;
  max-width: 540px;
  padding: clamp(24px, 4vw, 38px) clamp(22px, 4vw, 36px) 12px;
}
.detail-feature-copy p {
  width: fit-content;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--detail-accent);
  background: color-mix(in srgb, var(--detail-accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  font-size: 13px;
  font-weight: 650;
}
.detail-feature-copy h3 {
  color: var(--c-ink);
  font-size: clamp(22px, 2.4vw, 31px);
  line-height: 1.32;
  letter-spacing: 0;
}
.detail-feature-copy span {
  display: block;
  margin-top: 14px;
  color: var(--c-text-mute);
  font-size: 15px;
  line-height: 1.75;
}
.feature-ui-shell {
  position: absolute;
  left: clamp(18px, 3vw, 34px);
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  min-height: 300px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.78);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.78)),
    color-mix(in srgb, var(--detail-accent) 8%, #fff);
  box-shadow: 0 22px 54px rgba(19, 43, 73, 0.14);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.detail-feature-with-image {
  min-height: 620px;
}
.detail-feature-with-image .detail-feature-copy {
  max-width: 640px;
  padding-bottom: 10px;
}
.feature-source-shot {
  position: absolute;
  left: clamp(18px, 3vw, 34px);
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  margin: 0;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.82);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 22px 54px rgba(19, 43, 73, 0.14);
  overflow: hidden;
}
.feature-source-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #fff;
}
.feature-source-shot figcaption {
  padding: 10px 14px;
  color: var(--c-text-mute);
  font-size: 12px;
  line-height: 1.5;
  background: linear-gradient(180deg, #fff, color-mix(in srgb, var(--detail-accent) 5%, #fff));
  border-top: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
}
.feature-ui-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 0 18px;
  border-bottom: 1px solid color-mix(in srgb, var(--detail-accent) 15%, var(--c-line));
}
.feature-ui-top span {
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 700;
}
.feature-ui-top em {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--detail-accent);
  background: color-mix(in srgb, var(--detail-accent) 10%, #fff);
  font-size: 12px;
  font-style: normal;
  font-weight: 650;
}
.feature-ui-main {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}
.feature-ui-radar {
  position: relative;
  min-height: 205px;
  border-radius: 8px;
  background:
    linear-gradient(color-mix(in srgb, var(--detail-accent) 10%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--detail-accent) 10%, transparent) 1px, transparent 1px),
    radial-gradient(circle at center, color-mix(in srgb, var(--detail-accent) 12%, transparent), transparent 58%);
  background-size: 42px 42px, 42px 42px, auto;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 14%, var(--c-line));
}
.feature-ui-radar::before {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--detail-accent) 28%, transparent);
}
.feature-ui-radar .dot {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 112px;
  color: var(--c-ink);
  font-size: 12px;
  line-height: 1.35;
}
.feature-ui-radar .dot b {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--detail-accent);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--detail-accent) 15%, transparent);
}
.feature-ui-radar .d1 { left: 12%; top: 18%; }
.feature-ui-radar .d2 { right: 8%; top: 26%; }
.feature-ui-radar .d3 { left: 18%; bottom: 20%; }
.feature-ui-radar .d4 { right: 12%; bottom: 18%; }
.feature-ui-bars {
  display: grid;
  gap: 12px;
  align-content: center;
}
.feature-ui-bars p {
  display: grid;
  gap: 7px;
  margin: 0;
}
.feature-ui-bars span {
  color: var(--c-text);
  font-size: 12px;
  font-weight: 650;
}
.feature-ui-bars i {
  display: block;
  width: 70%;
  max-width: 100%;
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--detail-accent), color-mix(in srgb, var(--detail-accent) 36%, #fff));
}
.feature-ui-bars .b0 { width: 54%; }
.feature-ui-bars .b1 { width: 66%; }
.feature-ui-bars .b2 { width: 78%; }
.feature-ui-bars .b3 { width: 86%; }
.feature-ui-bars .b4 { width: 62%; }
.feature-ui-search {
  margin: 18px;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 8px;
  color: var(--c-text);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
}
.feature-ui-apps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 0 18px 14px;
}
.feature-ui-apps span {
  min-height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 9px;
  padding: 12px;
  border-radius: 8px;
  color: var(--c-ink);
  background: color-mix(in srgb, var(--detail-accent) 8%, #fff);
  font-size: 12px;
  line-height: 1.35;
}
.feature-ui-apps i {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--detail-accent);
  opacity: 0.84;
}
.feature-ui-list {
  display: grid;
  gap: 8px;
  padding: 0 18px 18px;
}
.feature-ui-list p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 11px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.76);
}
.feature-ui-list b {
  color: var(--c-ink);
  font-size: 12px;
}
.feature-ui-list em {
  color: var(--detail-accent);
  font-size: 12px;
  font-style: normal;
}
.feature-ui-flowline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
}
.feature-ui-flowline article {
  min-height: 205px;
  padding: 14px;
  border-radius: 8px;
  background: rgba(255,255,255,0.78);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
}
.feature-ui-flowline span {
  color: var(--detail-accent);
  font-size: 12px;
  font-weight: 800;
}
.feature-ui-flowline h4 {
  margin-top: 18px;
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.35;
}
.feature-ui-flowline p {
  margin-top: 10px;
  color: var(--c-text-mute);
  font-size: 12px;
  line-height: 1.55;
}
.feature-ui-map {
  position: relative;
  min-height: 214px;
  margin: 18px;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--detail-accent) 9%, #fff), rgba(255,255,255,0.62)),
    repeating-linear-gradient(0deg, transparent, transparent 37px, color-mix(in srgb, var(--detail-accent) 9%, transparent) 38px),
    repeating-linear-gradient(90deg, transparent, transparent 37px, color-mix(in srgb, var(--detail-accent) 9%, transparent) 38px);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 14%, var(--c-line));
}
.feature-ui-map .pin {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--c-ink);
  font-size: 12px;
  font-style: normal;
  line-height: 1.35;
}
.feature-ui-map .pin b {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--detail-accent);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--detail-accent) 14%, transparent);
}
.feature-ui-map .p1 { left: 12%; top: 18%; }
.feature-ui-map .p2 { left: 56%; top: 20%; }
.feature-ui-map .p3 { left: 28%; top: 52%; }
.feature-ui-map .p4 { right: 10%; bottom: 18%; }
.feature-ui-map .p5 { left: 9%; bottom: 16%; }
.feature-ui-mapbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 18px 18px;
}
.feature-ui-mapbar span {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--c-ink);
  background: rgba(255,255,255,0.8);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 12%, var(--c-line));
  font-size: 12px;
}
.insight-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.insight-card,
.value-card {
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: var(--c-bg);
  padding: clamp(24px, 3vw, 34px);
}
.insight-card span {
  display: inline-block;
  color: var(--detail-accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}
.insight-card h3,
.value-card h3 {
  font-size: 19px;
  line-height: 1.45;
  color: var(--c-ink);
  font-weight: 650;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.value-card {
  background: linear-gradient(180deg, var(--c-bg), var(--detail-accent-soft));
  min-height: 220px;
}
.value-card p {
  margin-top: 14px;
  color: var(--c-text-mute);
  font-size: 14px;
  line-height: 1.75;
}
.capability-stage.detail-model {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.capability-visual {
  min-height: 420px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: var(--detail-accent-soft);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.sketch-system {
  position: relative;
  width: min(420px, 86%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.sketch-system::before,
.sketch-system::after {
  content: "";
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 32%, transparent);
  border-radius: 50%;
}
.sketch-system::before { inset: 12%; }
.sketch-system::after { inset: 26%; }
.sketch-core {
  position: relative;
  z-index: 2;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  background: var(--detail-accent);
  color: #fff;
  font-weight: 700;
  line-height: 1.35;
  box-shadow: 0 16px 38px color-mix(in srgb, var(--detail-accent) 28%, transparent);
}
.sketch-system span {
  position: absolute;
  z-index: 3;
  max-width: 118px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 22%, var(--c-line));
  color: var(--c-ink);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
  box-shadow: 0 10px 28px rgba(15, 37, 64, 0.08);
}
.sketch-system span:nth-child(2) { top: 8%; left: 50%; transform: translateX(-50%); }
.sketch-system span:nth-child(3) { top: 32%; right: 0; }
.sketch-system span:nth-child(4) { bottom: 12%; right: 12%; }
.sketch-system span:nth-child(5) { bottom: 12%; left: 12%; }
.sketch-system span:nth-child(6) { top: 32%; left: 0; }
.capability-copy h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  color: var(--c-ink);
  letter-spacing: 0;
}
.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.pill-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--detail-accent-soft);
  color: var(--c-ink);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  font-size: 14px;
  overflow-wrap: anywhere;
}
.model-layers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(42px, 6vw, 76px);
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
  padding-left: 0;
  padding-right: 0;
}
.model-layer {
  background: var(--c-bg);
  padding: clamp(24px, 2.6vw, 32px);
  min-height: 210px;
}
.model-layer span {
  display: block;
  color: var(--detail-accent);
  font-weight: 700;
  margin-bottom: 28px;
}
.model-layer p {
  color: var(--c-text-mute);
  font-size: 13px;
  margin-bottom: 12px;
}
.model-layer h3 {
  color: var(--c-ink);
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 16px;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.model-layer small {
  color: var(--c-text-mute);
  font-size: 13px;
  line-height: 1.7;
}
.module-river .module-track {
  margin-top: 32px;
}
.process-map {
  padding-top: clamp(64px, 8vw, 104px);
}
.process-track {
  display: grid;
  grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 0;
  margin-top: 32px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow-x: auto;
  background: linear-gradient(180deg, #fff, var(--detail-accent-soft));
}
.process-step {
  min-width: 150px;
  min-height: 240px;
  padding: 28px 22px;
  border-right: 1px solid var(--c-line);
}
.process-step:last-child { border-right: none; }
.process-step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--detail-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 24px;
}
.process-step h3 {
  color: var(--c-ink);
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.process-step p {
  margin-top: 14px;
  color: var(--c-text-mute);
  font-size: 13px;
  line-height: 1.7;
}
.space-map {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding-top: clamp(64px, 8vw, 104px);
}
.space-map-copy h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  color: var(--c-ink);
  letter-spacing: 0;
}
.space-map-copy p:not(.section-kicker) {
  margin-top: 18px;
  color: var(--c-text-mute);
  line-height: 1.85;
}
.space-orbit {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.74), rgba(255,255,255,0.92)),
    radial-gradient(circle at 50% 50%, var(--detail-accent-soft), #fff 60%);
  overflow: hidden;
}
.space-orbit::before,
.space-orbit::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 22%, transparent);
  border-radius: 50%;
}
.space-orbit::after {
  inset: 28%;
  border-style: dashed;
}
.space-orbit strong {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 172px;
  min-height: 92px;
  padding: 18px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 8px;
  color: #fff;
  background: var(--detail-accent);
  line-height: 1.35;
  box-shadow: 0 18px 42px color-mix(in srgb, var(--detail-accent) 24%, transparent);
  z-index: 2;
}
.space-orbit span {
  position: absolute;
  max-width: 140px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--detail-accent) 18%, var(--c-line));
  color: var(--c-ink);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
  box-shadow: 0 12px 30px rgba(15, 37, 64, 0.08);
  overflow-wrap: anywhere;
  z-index: 3;
}
.space-orbit span:nth-child(2) { left: 50%; top: 8%; transform: translateX(-50%); }
.space-orbit span:nth-child(3) { right: 7%; top: 26%; }
.space-orbit span:nth-child(4) { right: 12%; bottom: 14%; }
.space-orbit span:nth-child(5) { left: 12%; bottom: 14%; }
.space-orbit span:nth-child(6) { left: 7%; top: 26%; }
.space-orbit span:nth-child(7) { left: 50%; bottom: 5%; transform: translateX(-50%); }
.scenario-zones {
  padding-top: clamp(64px, 8vw, 104px);
}
.zone-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.zone-card {
  min-height: 220px;
  padding: 24px;
  border-radius: 8px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
}
.zone-card span {
  display: block;
  color: var(--detail-accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}
.zone-card h3 {
  color: var(--c-ink);
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.zone-card p {
  margin-top: 14px;
  color: var(--c-text-mute);
  font-size: 13px;
  line-height: 1.7;
}
.module-cell p {
  color: var(--c-text-mute);
  font-size: 13px;
  line-height: 1.7;
}
.scenario-panel {
  margin-top: clamp(64px, 8vw, 104px);
  margin-bottom: clamp(72px, 9vw, 120px);
  padding: clamp(36px, 5vw, 56px);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--detail-accent-soft), #fff);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 16%, var(--c-line));
}
.scenario-panel h2 {
  max-width: 920px;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.38;
  color: var(--c-ink);
  letter-spacing: 0;
}
.scenario-panel > p:not(.section-kicker) {
  max-width: 760px;
  margin-top: 16px;
  color: var(--c-text-mute);
  line-height: 1.75;
}
.scenario-panel .text-link {
  margin-top: 28px;
  color: var(--detail-accent);
}
.detail-roadmap {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
}
.detail-roadmap-copy {
  display: grid;
  gap: 18px;
}
.detail-roadmap-copy h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--c-ink);
}
.detail-roadmap-copy p:not(.section-kicker) {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-mute);
  max-width: 520px;
}
.detail-roadmap-list {
  display: grid;
  gap: 14px;
}
.detail-roadmap-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px -34px rgba(15, 37, 64, 0.35);
}
.detail-roadmap-list article > span {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  background: var(--detail-accent);
}
.detail-roadmap-list h3 {
  font-size: 18px;
  font-weight: 650;
  color: var(--c-ink);
  margin-bottom: 8px;
}
.detail-roadmap-list p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-mute);
}
.detail-final-cta {
  max-width: 1180px;
  margin: clamp(64px, 8vw, 104px) auto 0;
  padding: clamp(34px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  border-radius: 10px;
  background:
    radial-gradient(circle at 14% 20%, color-mix(in srgb, var(--detail-accent) 24%, transparent), transparent 34%),
    linear-gradient(135deg, var(--detail-accent-soft), #fff);
  border: 1px solid color-mix(in srgb, var(--detail-accent) 16%, var(--c-line));
}
.detail-final-copy {
  display: grid;
  gap: 12px;
}
.detail-final-copy h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.3;
  color: var(--c-ink);
  font-weight: 700;
}
.detail-final-copy p:not(.section-kicker) {
  color: var(--c-text-mute);
  font-size: 15px;
  line-height: 1.75;
  max-width: 680px;
}
.detail-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

@media (max-width: 1024px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .module-track { grid-template-columns: repeat(2, 1fr); }
  .detail-hero,
  .detail-overview,
  .detail-visual,
  .detail-feature-suite,
  .detail-journey,
  .capability-stage.detail-model,
  .space-map,
  .detail-roadmap,
  .detail-final-cta {
    grid-template-columns: 1fr;
  }
  .detail-flow .detail-visual,
  .detail-space .detail-visual {
    grid-template-columns: 1fr;
  }
  .detail-flow .detail-visual-media,
  .detail-space .detail-visual-media { order: 0; }
  .detail-hero-art { min-height: 320px; }
  .insight-grid,
  .value-grid,
  .detail-feature-grid,
  .model-layers,
  .zone-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-track { grid-template-columns: repeat(6, minmax(180px, 1fr)); }
  .detail-feature-panel { min-height: 590px; }
  .detail-feature-with-image { min-height: 640px; }
  .feature-ui-main,
  .feature-ui-flowline { grid-template-columns: 1fr; }
  .feature-ui-flowline article { min-height: 0; }
  .detail-final-actions { justify-content: flex-start; }
}
@media (max-width: 768px) {
  .pain-grid { grid-template-columns: 1fr; }
  .module-track { grid-template-columns: 1fr; }
  .module-cell { min-height: 0; }
  .source-strip { flex-direction: column; align-items: flex-start; }
  .detail-hero {
    padding-top: 96px;
    padding-bottom: 48px;
  }
  .detail-hero-copy { gap: 18px; }
  .detail-hero-art {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }
  .detail-overview,
  .detail-visual,
  .detail-feature-suite,
  .detail-journey,
  .insight-board,
  .value-board,
  .capability-stage.detail-model,
  .process-map,
  .space-map,
  .scenario-zones,
  .module-river,
  .detail-roadmap,
  .scenario-panel {
    padding-top: 56px;
  }
  .insight-grid,
  .value-grid,
  .detail-feature-grid,
  .model-layers,
  .zone-grid { grid-template-columns: 1fr; }
  .process-track { grid-template-columns: 1fr; overflow-x: visible; }
  .process-step {
    min-width: 0;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--c-line);
  }
  .process-step:last-child { border-bottom: none; }
  .detail-visual-media {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }
  .detail-journey-card {
    min-height: 0;
    padding: 22px;
  }
  .detail-roadmap-list article {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }
  .detail-roadmap-list article > span {
    width: 42px;
    height: 42px;
  }
  .detail-final-cta {
    margin-left: 20px;
    margin-right: 20px;
  }
  .detail-schematic {
    grid-template-columns: 1fr;
    position: relative;
    min-height: 420px;
    padding: 18px;
  }
  .detail-schematic-core {
    min-height: 136px;
  }
  .detail-schematic-core::before,
  .detail-schematic-core::after {
    display: none;
  }
  .detail-schematic-links {
    position: static;
    align-content: start;
  }
  .detail-visual-copy {
    padding: 24px;
  }
  .detail-visual-chips {
    gap: 8px;
  }
  .detail-feature-panel {
    min-height: 0;
    padding-bottom: 18px;
  }
  .detail-feature-copy {
    padding: 22px 20px 8px;
  }
  .feature-ui-shell {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    min-height: 0;
    margin: 12px 16px 0;
  }
  .feature-source-shot {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin: 12px 16px 0;
  }
  .feature-source-shot figcaption {
    padding: 9px 12px;
  }
  .feature-ui-main {
    grid-template-columns: 1fr;
    padding: 14px;
  }
  .feature-ui-radar {
    min-height: 180px;
  }
  .feature-ui-apps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .feature-ui-flowline {
    grid-template-columns: 1fr;
    padding: 14px;
  }
  .feature-ui-flowline article {
    min-height: 0;
  }
  .feature-ui-map {
    min-height: 188px;
    margin: 14px;
  }
  .space-orbit { min-height: 420px; }
  .space-orbit span {
    max-width: 124px;
    font-size: 11px;
  }
  .capability-visual { min-height: 340px; }
  .sketch-system span {
    position: static;
    transform: none;
    max-width: none;
  }
  .sketch-system {
    width: 100%;
    aspect-ratio: auto;
    padding: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }
  .sketch-system::before,
  .sketch-system::after { display: none; }
  .sketch-core {
    width: 100%;
    height: auto;
    border-radius: 8px;
    min-height: 72px;
  }
  .scenario-panel {
    margin-bottom: 72px;
    padding: 28px;
  }
}

/* ============================================================
 * 教学数字底座详情页
 * 参照希沃产品页的节奏：白色顶栏、产品子导航、海报式首屏、
 * 大图图文段、深色沉浸功能段、克制模块矩阵。
 * ============================================================ */
.dhb-page {
  --dhb-blue: #1768e8;
  --dhb-blue-deep: #063a96;
  --dhb-cyan: #24c8ff;
  --dhb-ink: #202735;
  --dhb-text: #4f5c70;
  --dhb-mute: #8b96a8;
  --dhb-line: #e8edf5;
  --dhb-soft: #f5f7fb;
  --dhb-dark: #050814;
  --dhb-dark-2: #08182f;
  --dhb-max: 1200px;
  background: #fff;
  color: var(--dhb-text);
}

.dhb-page[data-theme="cyan"] {
  --dhb-blue: #0891b2;
  --dhb-blue-deep: #0e7490;
  --dhb-cyan: #22d3ee;
}
.dhb-page[data-theme="green"] {
  --dhb-blue: #059669;
  --dhb-blue-deep: #047857;
  --dhb-cyan: #34d399;
}
.dhb-page[data-theme="amber"] {
  --dhb-blue: #d97706;
  --dhb-blue-deep: #b45309;
  --dhb-cyan: #fbbf24;
}
.dhb-page[data-theme="indigo"] {
  --dhb-blue: #4f46e5;
  --dhb-blue-deep: #4338ca;
  --dhb-cyan: #818cf8;
}
.dhb-page[data-theme="slate"] {
  --dhb-blue: #475569;
  --dhb-blue-deep: #334155;
  --dhb-cyan: #94a3b8;
}
.dhb-page[data-theme="violet"] {
  --dhb-blue: #7c3aed;
  --dhb-blue-deep: #6d28d9;
  --dhb-cyan: #a78bfa;
}
.dhb-page[data-theme="teal"] {
  --dhb-blue: #0d9488;
  --dhb-blue-deep: #0f766e;
  --dhb-cyan: #2dd4bf;
}

.dhb-product-bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 18px;
  height: 54px;
  margin-top: var(--header-h);
  padding: 0 clamp(20px, 4vw, 52px);
  border-top: 1px solid var(--dhb-line);
  border-bottom: 1px solid var(--dhb-line);
  background: rgba(255, 255, 255, 0.96);
  color: var(--dhb-ink);
  font-size: 14px;
}
.dhb-product-bar a {
  color: var(--dhb-blue);
  font-weight: 600;
}
.dhb-product-bar span {
  color: var(--dhb-mute);
}

.dhb-hero {
  --dhb-progress: 0;
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--header-h) clamp(40px, 6vw, 96px) 0;
  min-height: min(760px, 86svh);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(360px, 0.48fr) minmax(0, 0.72fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  isolation: isolate;
  background:
    radial-gradient(circle at 82% 18%, rgba(98, 183, 255, 0.34), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #edf4fb 56%, #dfe8f2 100%);
}
.dhb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(23, 104, 232, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 104, 232, 0.08) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 42%, transparent 100%);
  opacity: 0.55;
}
.dhb-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(246, 250, 255, 0.70) 0%, rgba(246, 250, 255, 0.34) 34%, rgba(8, 22, 46, 0.34) 100%),
    linear-gradient(90deg, rgba(246, 250, 255, 0.68) 0%, rgba(246, 250, 255, 0.18) 44%, rgba(246, 250, 255, 0.0) 100%);
}
.dhb-hero-copy {
  position: relative;
  z-index: 3;
  width: min(520px, 100%);
  margin: 0;
  padding-top: 0;
  text-align: left;
}
.dhb-hero-kicker {
  margin: 0 0 12px;
  color: var(--dhb-blue);
  font-size: 20px;
  font-weight: 600;
}
.dhb-hero-title {
  margin: 0;
  color: #30343d;
  font-size: clamp(54px, 6.2vw, 82px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}
.dhb-hero-lead {
  max-width: 520px;
  margin: 22px 0 0;
  color: rgba(32, 39, 53, 0.68);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.8;
}
.dhb-hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}
.dhb-hero-actions .button.secondary {
  color: var(--dhb-blue);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(23, 104, 232, 0.24);
  backdrop-filter: blur(14px);
}
.dhb-hero-visual {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  width: 100%;
  height: min(86vh, 820px);
  z-index: 1;
  pointer-events: none;
  transform: translateY(-46%);
}
.dhb-hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.03) contrast(1.02);
  transform: translate3d(calc(var(--dhb-progress) * -34px), calc(var(--dhb-progress) * 24px), 0) scale(calc(1.01 - var(--dhb-progress) * 0.025));
  transform-origin: 58% 62%;
  transition: transform 80ms linear;
  box-shadow: 0 34px 100px rgba(20, 54, 93, 0.18);
}
.dhb-hero-glow {
  position: absolute;
  right: 8vw;
  bottom: 3vh;
  width: 52vw;
  height: 22vh;
  background: radial-gradient(closest-side, rgba(36, 200, 255, 0.38), transparent 72%);
  filter: blur(18px);
  mix-blend-mode: screen;
  opacity: 0.7;
}
.dhb-hero-grid {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 28%;
  background:
    linear-gradient(180deg, transparent, rgba(7, 35, 74, 0.08)),
    repeating-linear-gradient(90deg, transparent 0 78px, rgba(23, 104, 232, 0.16) 79px 80px),
    repeating-linear-gradient(0deg, transparent 0 48px, rgba(23, 104, 232, 0.13) 49px 50px);
  transform: perspective(620px) rotateX(58deg) translateY(34%);
  transform-origin: bottom;
  opacity: 0.56;
}
.dhb-hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  z-index: 4;
  width: 24px;
  height: 38px;
  border: 1px solid rgba(32, 39, 53, 0.36);
  border-radius: 999px;
  transform: translateX(-50%);
}
.dhb-hero-scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--dhb-blue);
  transform: translateX(-50%);
  animation: dhbScrollCue 1.45s ease-in-out infinite;
}
@keyframes dhbScrollCue {
  0%, 100% { opacity: 0; transform: translate(-50%, 0); }
  35% { opacity: 1; }
  70% { opacity: 0; transform: translate(-50%, 15px); }
}

.dhb-section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--dhb-blue);
  font-size: 15px;
  font-weight: 600;
}
.dhb-section-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
}

.dhb-showcase {
  display: grid;
  grid-template-columns: minmax(320px, 0.66fr) minmax(0, 1.18fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
  max-width: var(--dhb-max);
  margin: 0 auto;
  padding: clamp(90px, 11vw, 150px) clamp(20px, 4vw, 40px);
}
.dhb-showcase-media,
.dhb-deep-media,
.dhb-feature-gallery {
  --reveal-shift-x: 64px;
}
.dhb-showcase-copy h2 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
}
.dhb-showcase-copy h2,
.dhb-deep-copy h2,
.dhb-story-head h2,
.dhb-module-title h2,
.dhb-scenario-title h2 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
}
.dhb-check-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}
.dhb-check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--dhb-text);
  font-size: 16px;
  line-height: 1.85;
}
.dhb-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dhb-blue);
  box-shadow: 0 0 0 6px rgba(23, 104, 232, 0.1);
}
.dhb-showcase-media {
  margin: 0;
  min-height: 360px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbff, #eef6ff);
  border: 1px solid rgba(23, 104, 232, 0.10);
  box-shadow: 0 34px 90px rgba(20, 54, 93, 0.14);
}
.dhb-showcase-media img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: contain;
  padding: clamp(14px, 2vw, 24px);
  transform: none;
}

.dhb-deep-scene {
  position: relative;
  isolation: isolate;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  display: grid;
  grid-template-columns: minmax(0, 0.66fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(36px, 5vw, 72px);
  min-height: min(840px, 92svh);
  padding: clamp(110px, 12vw, 168px)
    max(clamp(20px, 4vw, 40px), calc(50vw - var(--dhb-max) / 2))
    clamp(82px, 10vw, 140px);
  color: #fff;
  background:
    radial-gradient(circle at 68% 48%, rgba(24, 125, 255, 0.28), transparent 42%),
    linear-gradient(135deg, var(--dhb-dark) 0%, var(--dhb-dark-2) 100%);
}
.dhb-deep-scene::before {
  display: none;
}
.dhb-deep-scene.reverse {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.66fr);
}
.dhb-deep-scene.reverse .dhb-deep-copy {
  order: 2;
  justify-self: start;
}
.dhb-deep-scene.reverse .dhb-deep-media {
  order: 1;
}
.dhb-deep-copy {
  justify-self: end;
  max-width: 430px;
}
.dhb-deep-copy .dhb-section-kicker,
.dhb-deep-copy h2 {
  color: #fff;
}
.dhb-deep-copy p:not(.dhb-section-kicker) {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.95;
}
.dhb-dark-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}
.dhb-dark-list li {
  position: relative;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 15px;
  line-height: 1.78;
}
.dhb-dark-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.12);
}
.dhb-deep-media {
  position: relative;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 42px 110px rgba(0, 0, 0, 0.42);
}
.dhb-deep-media img {
  width: 100%;
  transform: scale(1.025);
}
.dhb-feature-summary {
  min-height: auto;
}
.dhb-feature-summary .dhb-deep-copy {
  max-width: 560px;
}
.dhb-feature-summary .dhb-feature-summary-full {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}
.dhb-feature-summary .dhb-feature-summary-full .dhb-section-kicker,
.dhb-feature-summary .dhb-feature-summary-full h2 {
  text-align: center;
}
.dhb-feature-summary .dhb-feature-summary-full + .dhb-feature-summary-grid,
.dhb-feature-summary-full .dhb-feature-summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}
.dhb-feature-summary .dhb-deep-media {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(125, 211, 252, 0.16);
}
.dhb-feature-summary .dhb-deep-media img {
  display: block;
  padding: 12px;
  background: #eef6ff;
  transform: none;
}
.dhb-feature-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 28px;
}
.dhb-feature-summary-grid article {
  min-height: 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.dhb-feature-summary-grid span {
  display: inline-flex;
  margin-bottom: 6px;
  color: #7dd3fc;
  font: 700 12px/1 var(--font-mono);
}
.dhb-feature-summary-grid h3 {
  margin: 0;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}
.dhb-feature-summary-grid p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  line-height: 1.6;
}
.dhb-control-room {
  position: relative;
  min-height: 560px;
  padding: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 12% 18%, rgba(36, 200, 255, 0.22), transparent 24%),
    radial-gradient(circle at 84% 76%, rgba(23, 104, 232, 0.35), transparent 28%),
    linear-gradient(135deg, #071225 0%, #0b2554 100%);
  overflow: hidden;
}
.dhb-control-room::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  opacity: 0.5;
}
.dhb-control-top,
.dhb-control-body,
.dhb-control-flow {
  position: relative;
  z-index: 1;
}
.dhb-control-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.dhb-control-top span {
  font-size: 20px;
  font-weight: 600;
}
.dhb-control-top em {
  color: rgba(255, 255, 255, 0.62);
  font-style: normal;
  font-size: 13px;
}
.dhb-control-body {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 190px;
  gap: 18px;
  margin-top: 22px;
}
.dhb-control-list,
.dhb-control-side,
.dhb-control-main {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}
.dhb-control-list {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 14px;
}
.dhb-control-list span {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}
.dhb-control-list .is-active {
  color: #fff;
  background: rgba(125, 211, 252, 0.14);
}
.dhb-control-list i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 16px rgba(125, 211, 252, 0.72);
}
.dhb-control-main {
  min-height: 380px;
  padding: 18px;
}
.dhb-control-preview {
  position: relative;
  min-height: 248px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    linear-gradient(135deg, rgba(125, 211, 252, 0.08), rgba(23, 104, 232, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.13);
}
.dhb-control-preview::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 130px;
  height: 92px;
  border: 1px solid rgba(125, 211, 252, 0.58);
  background: rgba(23, 104, 232, 0.14);
  transform: translate(-50%, -50%) perspective(400px) rotateX(56deg) rotateZ(45deg);
  box-shadow: 0 0 72px rgba(36, 200, 255, 0.34);
}
.dhb-control-preview b {
  position: absolute;
  width: 82px;
  height: 48px;
  border: 1px solid rgba(125, 211, 252, 0.48);
  background: rgba(7, 18, 37, 0.62);
}
.dhb-control-preview b:nth-child(1) { left: 9%; top: 18%; }
.dhb-control-preview b:nth-child(2) { right: 12%; top: 14%; }
.dhb-control-preview b:nth-child(3) { left: 16%; bottom: 18%; }
.dhb-control-preview b:nth-child(4) { right: 10%; bottom: 22%; }
.dhb-control-devices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.dhb-control-devices span {
  padding: 11px 10px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}
.dhb-control-devices .is-on {
  color: #dff7ff;
  border-color: rgba(125, 211, 252, 0.32);
  background: rgba(125, 211, 252, 0.10);
}
.dhb-control-side {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 18px;
}
.dhb-control-side strong {
  color: #fff;
  font-size: 15px;
}
.dhb-control-side span {
  padding: 13px 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.55;
  border-left: 2px solid rgba(125, 211, 252, 0.68);
  background: rgba(255, 255, 255, 0.06);
}
.dhb-control-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}
.dhb-control-flow span {
  font-size: 13px;
}
.dhb-control-flow i {
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.74), transparent);
}
.dhb-scan-line {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(36, 200, 255, 0.0) 42%, rgba(36, 200, 255, 0.45) 50%, rgba(36, 200, 255, 0.0) 58%, transparent 100%);
  mix-blend-mode: screen;
  animation: dhbScan 4.8s ease-in-out infinite;
}
@keyframes dhbScan {
  0% { transform: translateX(-75%); opacity: 0; }
  18%, 62% { opacity: 1; }
  100% { transform: translateX(75%); opacity: 0; }
}

.dhb-feature-wall {
  padding: clamp(72px, 8vw, 118px) clamp(20px, 4vw, 40px);
  background:
    radial-gradient(circle at 50% 22%, rgba(23, 104, 232, 0.10), transparent 32%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  overflow: hidden;
}
.dhb-feature-head {
  max-width: 1100px;
  margin: 0 auto clamp(30px, 4vw, 52px);
  text-align: center;
}
.dhb-feature-head .dhb-section-kicker {
  justify-content: center;
}
.dhb-feature-head h2 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  white-space: nowrap;
}
.dhb-feature-head p:not(.dhb-section-kicker) {
  margin: 20px auto 0;
  max-width: 640px;
  color: var(--dhb-text);
  font-size: 15px;
  line-height: 1.9;
}
.dhb-feature-gallery {
  max-width: var(--dhb-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.dhb-feature-gallery article {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(23, 104, 232, 0.10);
  box-shadow: 0 28px 70px rgba(19, 57, 105, 0.12);
}
.dhb-feature-gallery article.is-large {
  grid-row: auto;
  min-height: 360px;
}
.dhb-feature-gallery img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: contain;
  object-position: center top;
  display: block;
  padding: 14px;
  background: #f7fbff;
  transition: transform 520ms ease;
}
.dhb-feature-gallery article:hover img {
  transform: scale(1.035);
}
.dhb-feature-gallery article > div {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 54px 28px 26px;
  color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(4, 17, 38, 0.86) 88%);
}
.dhb-feature-gallery span {
  display: inline-flex;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}
.dhb-feature-gallery em {
  display: inline-flex;
  margin-right: 10px;
  margin-bottom: 10px;
  padding: 5px 8px;
  color: #dff7ff;
  font-style: normal;
  font-size: 12px;
  font-weight: 600;
  background: rgba(125, 211, 252, 0.16);
  border: 1px solid rgba(125, 211, 252, 0.24);
}
.dhb-feature-gallery h3 {
  margin: 0;
  color: #fff;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
}
.dhb-feature-gallery p {
  margin: 10px 0 0;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.72;
}
.dhb-feature-stage {
  max-width: var(--dhb-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) minmax(360px, 1.25fr) minmax(180px, 0.62fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
}
.dhb-feature-stack {
  display: grid;
  gap: 16px;
}
.dhb-feature-stack article {
  position: relative;
  min-height: 132px;
  padding: 24px 22px 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(23, 104, 232, 0.12);
  box-shadow: 0 20px 56px rgba(19, 57, 105, 0.08);
}
.dhb-feature-stack article::after {
  content: "";
  position: absolute;
  top: 50%;
  width: clamp(18px, 2.5vw, 34px);
  height: 1px;
  background: linear-gradient(90deg, rgba(23, 104, 232, 0.0), rgba(23, 104, 232, 0.42));
}
.dhb-feature-stack:first-child article::after {
  right: calc(clamp(18px, 3vw, 34px) * -1);
}
.dhb-feature-stack:last-child article::after {
  left: calc(clamp(18px, 3vw, 34px) * -1);
  transform: rotate(180deg);
}
.dhb-feature-stack span {
  display: block;
  width: 18px;
  height: 2px;
  margin-bottom: 18px;
  background: var(--dhb-blue);
}
.dhb-feature-stack h3 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: 18px;
  font-weight: 600;
}
.dhb-feature-stack p {
  margin: 12px 0 0;
  color: var(--dhb-text);
  font-size: 13px;
  line-height: 1.75;
}
.dhb-console {
  position: relative;
  min-height: 500px;
  padding: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 22% 18%, rgba(36, 200, 255, 0.35), transparent 28%),
    radial-gradient(circle at 76% 78%, rgba(23, 104, 232, 0.42), transparent 32%),
    linear-gradient(135deg, #06142c 0%, #0a2760 100%);
  box-shadow: 0 38px 108px rgba(7, 24, 62, 0.32);
  overflow: hidden;
}
.dhb-console::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  opacity: 0.44;
}
.dhb-console-top,
.dhb-console-foot,
.dhb-console-map,
.dhb-console-grid {
  position: relative;
  z-index: 1;
}
.dhb-console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.dhb-console-top span {
  font-size: 18px;
  font-weight: 600;
}
.dhb-console-top em {
  font-style: normal;
  color: #7dd3fc;
  font-size: 13px;
}
.dhb-console-map {
  min-height: 260px;
  margin: 28px 0 22px;
  background:
    radial-gradient(circle at 50% 50%, rgba(125, 211, 252, 0.18), transparent 18%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.dhb-console-map::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 92px;
  height: 92px;
  border: 1px solid rgba(125, 211, 252, 0.5);
  background: rgba(23, 104, 232, 0.22);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 56px rgba(36, 200, 255, 0.36);
}
.dhb-console-map .node {
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 0 8px rgba(125, 211, 252, 0.12), 0 0 24px rgba(125, 211, 252, 0.6);
}
.dhb-console-map .n1 { left: 20%; top: 28%; }
.dhb-console-map .n2 { right: 22%; top: 24%; }
.dhb-console-map .n3 { left: 24%; bottom: 22%; }
.dhb-console-map .n4 { right: 19%; bottom: 28%; }
.dhb-console-map .line {
  position: absolute;
  left: 22%;
  right: 22%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.72), transparent);
  transform-origin: center;
}
.dhb-console-map .l1 { transform: rotate(0deg); }
.dhb-console-map .l2 { transform: rotate(33deg); }
.dhb-console-map .l3 { transform: rotate(-33deg); }
.dhb-console-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  height: 78px;
  align-items: end;
}
.dhb-console-grid span {
  min-height: 18px;
  height: 58%;
  background: linear-gradient(180deg, #7dd3fc, rgba(23, 104, 232, 0.25));
}
.dhb-console-grid .h1 { height: 72%; }
.dhb-console-grid .h2 { height: 48%; }
.dhb-console-grid .h3 { height: 84%; }
.dhb-console-grid .h4 { height: 58%; }
.dhb-console-grid .h5 { height: 68%; }
.dhb-console-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.dhb-console-foot strong {
  padding: 12px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.dhb-panel-story {
  padding: clamp(88px, 10vw, 148px) clamp(20px, 4vw, 40px);
  background: #fff;
}
.dhb-story-head {
  max-width: var(--dhb-max);
  margin: 0 auto clamp(42px, 6vw, 72px);
  text-align: center;
}
.dhb-story-head .dhb-section-kicker {
  justify-content: center;
}
.dhb-story-grid {
  max-width: var(--dhb-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--dhb-line);
  border-left: 1px solid var(--dhb-line);
}
.dhb-story-card {
  min-height: 288px;
  padding: clamp(26px, 3vw, 38px);
  border-right: 1px solid var(--dhb-line);
  border-bottom: 1px solid var(--dhb-line);
  background:
    linear-gradient(180deg, rgba(23, 104, 232, 0.05), transparent 48%),
    #fff;
  transition: transform 260ms ease, background 260ms ease, box-shadow 260ms ease;
}
.dhb-story-card:hover {
  z-index: 1;
  transform: translateY(-8px);
  background: #f8fbff;
  box-shadow: 0 28px 70px rgba(23, 104, 232, 0.14);
}
.dhb-story-card span,
.dhb-module-card span {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--dhb-blue);
  font: 700 14px/1 var(--font-mono);
}
.dhb-story-card h3,
.dhb-module-card h3,
.dhb-scenario-card h3 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}
.dhb-story-card p,
.dhb-module-card p,
.dhb-scenario-card p {
  margin: 16px 0 0;
  color: var(--dhb-text);
  font-size: 14px;
  line-height: 1.8;
}

.dhb-module {
  padding: clamp(82px, 10vw, 132px) clamp(20px, 4vw, 40px);
  background: var(--dhb-soft);
}
.dhb-module-title,
.dhb-scenario-title {
  max-width: var(--dhb-max);
  margin: 0 auto clamp(38px, 5vw, 58px);
  text-align: center;
}
.dhb-module-title .dhb-section-kicker,
.dhb-scenario-title .dhb-section-kicker {
  justify-content: center;
}
.dhb-module-grid {
  max-width: var(--dhb-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--dhb-line);
  border: 1px solid var(--dhb-line);
}
.dhb-module-card {
  min-height: 210px;
  padding: 30px 26px;
  background: rgba(255, 255, 255, 0.94);
  transition: transform 240ms ease, background 240ms ease, box-shadow 240ms ease;
}
.dhb-module-card:hover {
  z-index: 1;
  transform: translateY(-6px);
  background: #fff;
  box-shadow: 0 22px 58px rgba(23, 104, 232, 0.14);
}
.dhb-module-card span {
  margin-bottom: 20px;
}
.dhb-module-card h3 {
  font-size: 18px;
}
.dhb-module-card p {
  color: var(--dhb-mute);
  font-size: 13px;
}

.dhb-scenario {
  padding: clamp(82px, 10vw, 132px) clamp(20px, 4vw, 40px);
  background: #fff;
}
.dhb-scenario-grid {
  max-width: var(--dhb-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--dhb-line);
  border-left: 1px solid var(--dhb-line);
}
.dhb-scenario-card {
  min-height: 238px;
  padding: 32px 22px;
  text-align: center;
  border-right: 1px solid var(--dhb-line);
  border-bottom: 1px solid var(--dhb-line);
  transition: background 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}
.dhb-scenario-card:hover {
  z-index: 1;
  transform: translateY(-6px);
  background: #f8fbff;
  box-shadow: 0 22px 58px rgba(23, 104, 232, 0.12);
}
.dhb-scenario-ico {
  position: relative;
  display: block;
  width: 54px;
  height: 54px;
  margin: 0 auto 22px;
  color: var(--dhb-blue);
  border: 1px solid rgba(23, 104, 232, 0.28);
}
.dhb-scenario-ico::before,
.dhb-scenario-ico::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.dhb-scenario-ico::before {
  inset: 16px;
  opacity: 0.88;
}
.dhb-scenario-ico::after {
  left: 50%;
  bottom: -14px;
  width: 1px;
  height: 14px;
  opacity: 0.35;
}
.ico-1::before { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.ico-2::before { clip-path: polygon(0 0, 100% 0, 50% 100%); }
.ico-3::before { border-radius: 50%; }
.ico-4::before { clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); }
.ico-5::before { transform: rotate(45deg); }
.dhb-scenario-card h3 {
  font-size: 17px;
}
.dhb-scenario-card p {
  color: var(--dhb-mute);
  font-size: 13px;
}

.dhb-support {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--dhb-max);
  margin: 0 auto clamp(72px, 8vw, 108px);
  border: 1px solid var(--dhb-line);
  background: #fff;
}
.dhb-support-item {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 36px 24px;
  color: var(--dhb-blue);
  text-align: center;
  border-right: 1px solid var(--dhb-line);
  transition: background 220ms ease;
}
.dhb-support-item:last-child {
  border-right: none;
}
.dhb-support-item:hover {
  background: var(--dhb-soft);
}
.dhb-support-ico {
  width: 54px;
  height: 54px;
}
.dhb-support-ico svg {
  width: 100%;
  height: 100%;
}
.dhb-support-item p {
  margin: 0;
  color: var(--dhb-ink);
  font-size: 18px;
  font-weight: 600;
}
.dhb-support-link {
  color: var(--dhb-blue);
  font-size: 13px;
  font-weight: 600;
}

.dhb-storyline {
  padding: clamp(84px, 10vw, 150px) clamp(20px, 4vw, 40px);
  background: #fff;
}
.dhb-storyline-row {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1fr);
  gap: clamp(42px, 6vw, 92px);
  align-items: center;
  max-width: var(--dhb-max);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 58px) 0;
  border-top: 1px solid var(--dhb-line);
}
.dhb-storyline-row:first-child {
  border-top: none;
}
.dhb-storyline-row.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
}
.dhb-storyline-row.reverse .dhb-storyline-copy {
  order: 2;
}
.dhb-storyline-copy h2 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
}
.dhb-storyline-copy p:not(.dhb-section-kicker) {
  margin: 24px 0 0;
  color: var(--dhb-text);
  font-size: 16px;
  line-height: 1.9;
}
.dhb-storyline-visual {
  position: relative;
  min-height: 300px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(23, 104, 232, 0.05), rgba(23, 104, 232, 0.0)),
    #f7faff;
  border: 1px solid var(--dhb-line);
}
.dhb-storyline-visual > img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: block;
  object-fit: cover;
  object-position: center top;
}
.dhb-storyline-visual::before {
  display: none;
}
.dhb-storyline-visual span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 12px;
  color: var(--dhb-ink);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  background: #fff;
  border: 1px solid rgba(23, 104, 232, 0.16);
  box-shadow: 0 18px 48px rgba(23, 104, 232, 0.10);
}
.dhb-storyline-visual span:nth-child(even) {
  transform: translateY(-34px);
}
.dhb-signal-visual {
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
}
.dhb-signal-visual span {
  min-height: 172px;
  transform: none;
}
.dhb-signal-visual i {
  width: 54px;
  height: 1px;
  background: linear-gradient(90deg, rgba(23, 104, 232, 0.16), rgba(23, 104, 232, 0.76));
}
.dhb-chip-visual {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}
.dhb-chip-visual span,
.dhb-chip-visual span:nth-child(even) {
  min-height: 86px;
  transform: none;
}
.dhb-storyline-note {
  max-width: var(--dhb-max);
  margin: clamp(24px, 4vw, 44px) auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--dhb-line);
  border-left: 1px solid var(--dhb-line);
}
.dhb-storyline-note p {
  margin: 0;
  min-height: 170px;
  padding: 28px 24px;
  color: var(--dhb-text);
  font-size: 13px;
  line-height: 1.75;
  border-right: 1px solid var(--dhb-line);
  border-bottom: 1px solid var(--dhb-line);
  background: #fff;
}
.dhb-storyline-note strong {
  display: block;
  margin-bottom: 12px;
  color: var(--dhb-blue);
  font-size: 16px;
}
.dhb-final-cta {
  padding: clamp(90px, 10vw, 142px) clamp(20px, 4vw, 40px);
  background:
    radial-gradient(circle at 82% 20%, rgba(36, 200, 255, 0.22), transparent 26%),
    linear-gradient(135deg, #071225 0%, #0a2a63 100%);
  color: #fff;
}
.dhb-final-copy {
  max-width: var(--dhb-max);
  margin: 0 auto;
}
.dhb-final-copy .dhb-section-kicker,
.dhb-final-copy h2 {
  color: #fff;
}
.dhb-final-copy h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0;
}
.dhb-final-copy p:not(.dhb-section-kicker) {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.9;
}
.dhb-final-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}
.dhb-final-actions .button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}
.dhb-final-cta-light {
  padding-top: clamp(76px, 8vw, 112px);
  padding-bottom: clamp(76px, 8vw, 112px);
  background:
    linear-gradient(180deg, #ffffff 0%, #f6f9fe 44%, #eef4fb 100%);
  color: var(--dhb-text);
  border-top: 1px solid rgba(23, 104, 232, 0.10);
  border-bottom: 1px solid rgba(5, 11, 22, 0.08);
}
.dhb-final-cta-light .dhb-final-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: clamp(28px, 5vw, 72px);
}
.dhb-final-cta-light .dhb-section-kicker {
  color: var(--dhb-blue);
}
.dhb-final-cta-light .dhb-final-copy h2 {
  max-width: 720px;
  color: var(--dhb-ink);
}
.dhb-final-cta-light .dhb-final-copy p:not(.dhb-section-kicker) {
  max-width: 650px;
  color: var(--dhb-text);
}
.dhb-final-cta-light .dhb-final-actions {
  min-width: 300px;
  justify-content: flex-end;
}
.dhb-final-cta-light .button.secondary {
  color: var(--dhb-ink);
  background: #fff;
  border-color: rgba(23, 104, 232, 0.24);
  box-shadow: 0 12px 32px rgba(15, 35, 70, 0.08);
}
.dhb-final-cta-light .button.secondary:hover {
  color: var(--dhb-blue);
  border-color: rgba(23, 104, 232, 0.42);
}

/* ============================================================
 * 校园空间管理解决方案
 * 复用详情页视觉基座，信息结构按解决方案叙事组织。
 * ============================================================ */
.solution-space-page .dhb-hero-title {
  max-width: 640px;
  font-size: clamp(46px, 5.5vw, 74px);
}
.solution-space-page .dhb-hero {
  min-height: min(640px, 76svh);
}
.solution-space-page .dhb-hero-actions {
  justify-content: flex-start;
}
.solution-space-page .dhb-hero-visual img {
  object-position: center center;
}
.solution-space-page .dhb-hero::after {
  background:
    linear-gradient(180deg, rgba(247, 251, 255, 0.58) 0%, rgba(247, 251, 255, 0.28) 38%, rgba(9, 22, 42, 0.18) 100%),
    linear-gradient(90deg, rgba(247, 251, 255, 0.88) 0%, rgba(247, 251, 255, 0.56) 36%, rgba(247, 251, 255, 0.08) 68%, rgba(247, 251, 255, 0) 100%);
}
.solution-space-challenges {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1fr);
  gap: clamp(34px, 5vw, 70px);
  align-items: center;
  max-width: var(--dhb-max);
  margin: 0 auto;
}
.solution-space-challenge-copy h2 {
  margin: 0;
  color: var(--dhb-ink);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 500;
  line-height: 1.38;
}
.solution-space-challenge-copy > p:not(.dhb-section-kicker) {
  margin-top: 22px;
  color: var(--dhb-text);
  font-size: 15px;
  line-height: 1.9;
}
.solution-space-challenge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.solution-space-challenge-list li {
  padding: 8px 12px;
  color: var(--dhb-blue);
  font-size: 13px;
  font-weight: 600;
  background: rgba(23, 104, 232, 0.08);
  border: 1px solid rgba(23, 104, 232, 0.14);
}
.solution-space-challenge-visual {
  margin: 0;
  overflow: hidden;
  background: #f8fbff;
  border: 1px solid rgba(23, 104, 232, 0.12);
  box-shadow: 0 30px 80px rgba(19, 57, 105, 0.12);
}
.solution-space-challenge-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.solution-space-overview {
  position: relative;
  isolation: isolate;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  padding:
    clamp(90px, 11vw, 150px)
    max(clamp(20px, 4vw, 40px), calc(50vw - var(--dhb-max) / 2));
  color: #fff;
  background:
    radial-gradient(circle at 74% 22%, rgba(24, 125, 255, 0.34), transparent 36%),
    linear-gradient(135deg, var(--dhb-dark) 0%, var(--dhb-dark-2) 100%);
}
.solution-space-overview .dhb-section-kicker,
.solution-space-overview .dhb-showcase-copy h2 {
  color: #fff;
}
.solution-space-overview .dhb-check-list li {
  color: rgba(255, 255, 255, 0.76);
}
.solution-space-overview .dhb-check-list li::before {
  background: #7dd3fc;
  box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.12);
}
.solution-space-overview .dhb-showcase-media {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(125, 211, 252, 0.18);
  box-shadow: 0 42px 110px rgba(0, 0, 0, 0.34);
}
.solution-space-path {
  color: var(--dhb-text);
  background:
    linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}
.solution-space-path .dhb-deep-copy .dhb-section-kicker {
  color: var(--dhb-blue);
}
.solution-space-path .dhb-deep-copy h2 {
  color: var(--dhb-ink);
}
.solution-space-path .dhb-dark-list li {
  color: var(--dhb-text);
}
.solution-space-path .dhb-dark-list li::before {
  background: var(--dhb-blue);
  box-shadow: 0 0 0 6px rgba(23, 104, 232, 0.1);
}
.solution-space-path .dhb-deep-media {
  box-shadow: 0 34px 90px rgba(20, 54, 93, 0.14);
}
.solution-space-page .dhb-story-grid {
  grid-template-columns: repeat(5, 1fr);
}
.solution-space-page .dhb-story-card {
  min-height: 308px;
}
.solution-space-page .dhb-feature-head h2 {
  white-space: normal;
}
.solution-space-flow-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 22px auto 0;
}
.solution-space-flow-tags span {
  padding: 8px 12px;
  color: rgba(9, 22, 42, 0.72);
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 104, 232, 0.12);
  box-shadow: 0 12px 30px rgba(19, 57, 105, 0.06);
}
.solution-space-page .dhb-feature-gallery article {
  min-height: 390px;
}
.solution-space-page .dhb-feature-gallery img {
  object-position: center top;
}
.solution-space-roadmap {
  background:
    linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}
.solution-space-roadmap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.34fr);
  gap: clamp(22px, 3vw, 36px);
  max-width: var(--dhb-max);
  margin: 0 auto;
}
.solution-space-phase-list {
  display: grid;
  gap: 16px;
}
.solution-space-phase-list article {
  position: relative;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: clamp(22px, 3vw, 30px);
  background: #fff;
  border: 1px solid rgba(23, 104, 232, 0.12);
  box-shadow: 0 22px 56px rgba(19, 57, 105, 0.08);
}
.solution-space-phase-list article::before {
  content: "";
  position: absolute;
  left: 66px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(23, 104, 232, 0.28), transparent);
}
.solution-space-phase-list article > span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  background: var(--dhb-blue);
  box-shadow: 0 16px 30px rgba(23, 104, 232, 0.22);
}
.solution-space-phase-list h3,
.solution-space-option-box p {
  margin: 0;
  color: var(--dhb-ink);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
}
.solution-space-phase-list p {
  margin: 10px 0 0;
  color: var(--dhb-text);
  font-size: 15px;
  line-height: 1.78;
}
.solution-space-option-box {
  align-self: stretch;
  padding: clamp(24px, 3vw, 32px);
  background:
    radial-gradient(circle at 88% 14%, rgba(125, 211, 252, 0.22), transparent 28%),
    linear-gradient(135deg, #071225 0%, #0d2f67 100%);
  border: 1px solid rgba(125, 211, 252, 0.18);
  box-shadow: 0 28px 70px rgba(19, 57, 105, 0.16);
}
.solution-space-option-box p {
  color: #fff;
}
.solution-space-option-box div {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.solution-space-option-box span {
  padding: 14px 14px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  line-height: 1.45;
  border-left: 2px solid rgba(125, 211, 252, 0.72);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 1024px) {
  .dhb-showcase,
  .dhb-deep-scene,
  .dhb-feature-stage,
  .dhb-feature-gallery {
    grid-template-columns: 1fr;
  }
  .dhb-feature-gallery article.is-large {
    grid-row: auto;
    min-height: 420px;
  }
  .dhb-feature-stack {
    grid-template-columns: repeat(3, 1fr);
  }
  .dhb-feature-stack article::after {
    display: none;
  }
  .dhb-deep-copy {
    justify-self: start;
    max-width: 680px;
  }
  .dhb-deep-scene.reverse {
    grid-template-columns: 1fr;
  }
  .dhb-deep-scene.reverse .dhb-deep-copy,
  .dhb-deep-scene.reverse .dhb-deep-media {
    order: initial;
  }
  .dhb-story-grid,
  .dhb-module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dhb-scenario-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .dhb-control-body,
  .dhb-storyline-row,
  .dhb-storyline-row.reverse {
    grid-template-columns: 1fr;
  }
  .dhb-storyline-row.reverse .dhb-storyline-copy {
    order: 0;
  }
  .dhb-storyline-note {
    grid-template-columns: repeat(2, 1fr);
  }
  .dhb-final-cta-light .dhb-final-copy {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .dhb-final-cta-light .dhb-final-actions {
    justify-content: flex-start;
    min-width: 0;
  }
  .solution-space-challenges {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 720px) {
  .dhb-product-bar {
    height: 46px;
    margin-top: var(--header-h);
    font-size: 13px;
  }
  .dhb-hero {
    min-height: calc(100svh - var(--header-h) - 46px);
  }
  .solution-space-page .dhb-hero {
    min-height: 680px;
  }
  .dhb-hero-copy {
    width: calc(100% - 40px);
    margin: 0 auto;
    padding-top: 42px;
    text-align: center;
  }
  .dhb-hero-kicker {
    font-size: 15px;
  }
  .dhb-hero-title {
    font-size: clamp(38px, 12vw, 58px);
  }
  .dhb-hero-lead {
    margin-left: auto;
    margin-right: auto;
    font-size: 15px;
    line-height: 1.7;
  }
  .dhb-hero-actions {
    margin-top: 22px;
  }
  .dhb-hero-actions .button {
    min-width: 122px;
    padding-inline: 18px;
  }
  .dhb-hero-visual {
    inset: 0;
    height: 100%;
  }
  .dhb-hero-visual img {
    right: 0;
    width: 100%;
    object-position: center bottom;
  }
  .dhb-hero-scroll {
    display: none;
  }
  .dhb-showcase {
    padding-top: 72px;
  }
  .dhb-showcase-media,
  .dhb-showcase-media img {
    min-height: 260px;
  }
  .dhb-deep-scene {
    min-height: auto;
    padding-top: 58px;
    padding-bottom: 56px;
    gap: 26px;
  }
  .dhb-deep-copy p:not(.dhb-section-kicker) {
    margin-top: 16px;
    line-height: 1.78;
  }
  .dhb-dark-list {
    margin-top: 18px;
    gap: 11px;
  }
  .dhb-feature-summary-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
  }
  .dhb-feature-summary-grid article {
    min-height: 0;
    padding: 18px 16px;
  }
  .dhb-feature-summary-grid span {
    margin-bottom: 12px;
  }
  .dhb-dark-list li {
    font-size: 14px;
    line-height: 1.62;
  }
  .dhb-deep-media {
    width: 100%;
  }
  .dhb-control-room {
    min-height: 0;
    padding: 16px;
  }
  .dhb-control-top {
    display: grid;
    gap: 8px;
  }
  .dhb-control-top span {
    font-size: 16px;
  }
  .dhb-control-body {
    gap: 12px;
    margin-top: 16px;
  }
  .dhb-control-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .dhb-control-main {
    min-height: 0;
    padding: 12px;
  }
  .dhb-control-preview {
    min-height: 160px;
  }
  .dhb-control-devices {
    grid-template-columns: repeat(2, 1fr);
  }
  .dhb-control-flow {
    flex-wrap: wrap;
    gap: 8px;
  }
  .dhb-control-flow i {
    width: 24px;
  }
  .dhb-feature-wall {
    padding-top: 50px;
    padding-bottom: 54px;
  }
  .dhb-feature-head {
    margin-bottom: 24px;
  }
  .dhb-feature-head h2 {
    font-size: 20px;
    line-height: 1.3;
    white-space: normal;
  }
  .dhb-feature-head p:not(.dhb-section-kicker) {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.68;
  }
  .dhb-feature-stage {
    gap: 12px;
  }
  .dhb-feature-gallery {
    gap: 14px;
  }
  .dhb-feature-gallery article,
  .dhb-feature-gallery article.is-large {
    min-height: 300px;
  }
  .dhb-feature-gallery article > div {
    padding: 48px 18px 18px;
  }
  .dhb-feature-gallery h3 {
    font-size: 19px;
  }
  .dhb-feature-gallery p {
    font-size: 14px;
    line-height: 1.58;
  }
  .dhb-feature-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .dhb-feature-stack article {
    min-height: 0;
    padding: 14px 10px 13px;
  }
  .dhb-feature-stack span {
    width: 14px;
    margin-bottom: 10px;
  }
  .dhb-feature-stack h3 {
    font-size: 14px;
    line-height: 1.35;
  }
  .dhb-feature-stack p {
    display: none;
  }
  .dhb-console {
    min-height: 324px;
    padding: 18px;
  }
  .dhb-console-map {
    min-height: 148px;
    margin: 18px 0 16px;
  }
  .dhb-console-grid {
    height: 48px;
  }
  .dhb-console-foot {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 12px;
  }
  .dhb-console-foot strong {
    padding: 9px 6px;
    font-size: 12px;
  }
  .dhb-panel-story {
    padding-top: 56px;
    padding-bottom: 58px;
  }
  .dhb-storyline {
    padding-top: 56px;
    padding-bottom: 60px;
  }
  .dhb-storyline-row {
    padding: 28px 0;
    gap: 22px;
  }
  .dhb-storyline-copy h2,
  .dhb-final-copy h2 {
    font-size: 22px;
    line-height: 1.32;
  }
  .dhb-storyline-copy p:not(.dhb-section-kicker),
  .dhb-final-copy p:not(.dhb-section-kicker) {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.72;
  }
  .dhb-storyline-visual,
  .dhb-chip-visual {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .dhb-storyline-visual span,
  .dhb-storyline-visual span:nth-child(even),
  .dhb-signal-visual span,
  .dhb-chip-visual span {
    min-height: 64px;
    transform: none;
  }
  .dhb-signal-visual i {
    width: 1px;
    height: 22px;
    margin: 0 auto;
  }
  .dhb-storyline-note {
    grid-template-columns: 1fr;
  }
  .dhb-storyline-note p {
    min-height: 0;
    padding: 20px 18px;
  }
  .dhb-final-cta {
    padding-top: 58px;
    padding-bottom: 62px;
  }
  .dhb-final-cta-light {
    padding-top: 52px;
    padding-bottom: 54px;
  }
  .dhb-final-actions {
    flex-wrap: wrap;
  }
  .dhb-story-head {
    margin-bottom: 24px;
  }
  .dhb-story-head h2 {
    font-size: 28px;
    line-height: 1.3;
  }
  .dhb-story-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .dhb-story-card {
    min-height: 0;
    padding: 20px 16px;
  }
  .dhb-story-card span {
    margin-bottom: 14px;
  }
  .dhb-story-card h3 {
    font-size: 15px;
    line-height: 1.42;
  }
  .dhb-story-card p {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.62;
  }
  .dhb-module-grid,
  .dhb-scenario-grid,
  .dhb-support {
    grid-template-columns: 1fr;
  }
  .dhb-support-item {
    border-right: none;
    border-bottom: 1px solid var(--dhb-line);
  }
  .dhb-support-item:last-child {
    border-bottom: none;
  }
}
@media (max-width: 1024px) {
  .solution-space-page .dhb-story-grid,
  .solution-space-composition .dhb-module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-space-roadmap-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 720px) {
  .solution-space-page .dhb-hero-actions {
    justify-content: center;
  }
  .solution-space-page .dhb-deep-scene {
    width: 100%;
    margin-left: 0;
    padding-left: 20px;
    padding-right: 20px;
  }
  .solution-space-page .dhb-story-grid,
  .solution-space-composition .dhb-module-grid {
    grid-template-columns: 1fr;
  }
  .solution-space-flow-tags {
    justify-content: flex-start;
  }
  .solution-space-phase-list article {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
    padding: 20px 16px;
  }
  .solution-space-phase-list article::before {
    left: 41px;
  }
  .solution-space-phase-list article > span {
    width: 42px;
    height: 42px;
    font-size: 13px;
  }
  .solution-space-phase-list h3,
  .solution-space-option-box p {
    font-size: 18px;
  }
  .solution-space-phase-list p {
    font-size: 14px;
    line-height: 1.68;
  }
}
@media (prefers-reduced-motion: reduce) {
  .dhb-hero-scroll span,
  .dhb-scan-line {
    animation: none;
  }
  .dhb-hero-visual img {
    transform: none;
    transition: none;
  }
}

/* ============================================================
 * 二级页：案例列表
 * ============================================================ */
.case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 240ms ease, transform 240ms ease;
}
.case-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}
.case-card .tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 12px;
  color: var(--c-primary);
  background: var(--c-primary-tint);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 500;
}
.case-card h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}
.case-card > p {
  font-size: 14px;
  color: var(--c-text-mute);
  line-height: 1.7;
}
.case-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}
.case-card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--c-text);
}
.case-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 1px;
  background: var(--c-primary);
}

/* ============================================================
 * 二级页：服务时间线
 * ============================================================ */
.service-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
}
.service-step-time {
  padding: 40px 24px 40px 0;
  border-right: 1px solid var(--c-line);
}
.service-step-time:last-child { border-right: none; }
.service-step-time .num {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.service-step-time h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
  margin-bottom: 12px;
}
.service-step-time p {
  font-size: 13px;
  color: var(--c-text-mute);
  line-height: 1.7;
}

/* ============================================================
 * 详情落地页目录
 * ============================================================ */
.detail-directory {
  background: var(--c-bg-alt);
  padding: clamp(64px, 8vw, 96px) clamp(20px, 4vw, 40px);
}
.detail-directory .section-head { margin-bottom: 40px; margin-left: auto; margin-right: auto; }
.detail-directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
  max-width: var(--max);
  margin: 0 auto;
}
.detail-directory-grid a {
  background: var(--c-bg);
  padding: clamp(18px, 2.2vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 300px;
  position: relative;
  transition: background 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}
.detail-directory-grid a:hover {
  background: var(--c-bg-tint);
  transform: translateY(-2px);
  box-shadow: 0 18px 46px -28px rgba(15, 26, 44, 0.32);
  z-index: 1;
}
.detail-directory-grid a .directory-cover {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(24, 104, 224, 0.10), rgba(0, 181, 116, 0.08)),
    var(--c-bg-alt);
  border: 1px solid var(--c-line-soft);
}
.detail-directory-grid a .directory-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 360ms ease;
}
.detail-directory-grid a:hover .directory-cover img { transform: scale(1.035); }
.detail-directory-grid a .meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.04em;
}
.detail-directory-grid a .meta::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  background: var(--c-primary);
}
.detail-directory-grid a .title {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}
.detail-directory-grid a .desc {
  font-size: 13px;
  color: var(--c-text-mute);
  line-height: 1.6;
  flex: 1;
}
.detail-directory-grid a .more {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}
.detail-directory-grid a .more::after {
  content: "→";
  display: inline-block;
  transition: transform 200ms ease;
}
.detail-directory-grid a:hover .more::after { transform: translateX(4px); }

/* ============================================================
 * 联系方式块
 * ============================================================ */
.contact-block {
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(24, 104, 224, 0.22) 0%, rgba(14, 26, 44, 0) 60%),
    linear-gradient(180deg, #0E1A2C 0%, #0A1424 100%);
  color: #fff;
  padding: clamp(88px, 10vw, 140px) 0 clamp(96px, 11vw, 160px);
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.contact-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
  pointer-events: none;
}
.contact-block h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.contact-block p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.contact-block .actions { display: inline-flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* Compact contact variant — used on subpages */
.contact.compact {
  background: var(--c-bg-alt);
  padding: clamp(64px, 7vw, 96px) 0;
  text-align: center;
}
.contact.compact .contact-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.contact.compact p {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-mute);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.contact.compact h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 28px;
}

/* ============================================================
 * 页脚
 * ============================================================ */
.site-footer {
  background: #050B16;
  color: rgba(255, 255, 255, 0.7);
  padding: 72px clamp(20px, 4vw, 40px) 32px;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(24, 104, 224, 0.4) 50%, rgba(255,255,255,0) 100%);
}
.site-footer .container {
  padding: 0;
}

/* Simple footer variant (products / solutions) */
.site-footer > div:first-child:not(.container) {
  max-width: var(--max);
  margin: 0 auto 28px;
}
.site-footer > div:first-child:not(.container) img {
  height: 32px;
  width: auto;
  margin-bottom: 12px;
}
.site-footer > div:first-child:not(.container) p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}
.site-footer > nav {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer > nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 200ms ease;
}
.site-footer > nav a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(2, 1fr) 1.2fr;
  gap: 32px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand img { height: 32px; margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: color 200ms ease;
}
.footer-col a:hover { color: #fff; }
.footer-contact .phone {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.footer-contact .hours {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  transition: background 200ms ease;
}
.footer-social a:hover { background: var(--c-primary); }
.footer-social svg { width: 18px; height: 18px; fill: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom .links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-bottom .links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom .copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================================
 * 详情页：能力对比 / 角色痛点 / 模块结构
 * ============================================================ */
.capability-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  position: relative;
  padding: clamp(28px, 3vw, 40px);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  transition: border-color 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}
.feature-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -20px rgba(24, 104, 224, 0.18);
}
.feature-card .feature-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary-tint);
  color: var(--c-primary);
  margin-bottom: 24px;
}
.feature-card .feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 16px;
  line-height: 1.4;
}
.feature-card ul { display: flex; flex-direction: column; gap: 10px; }
.feature-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  color: var(--c-text);
  line-height: 1.7;
}
.feature-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 8px; height: 2px;
  background: var(--c-primary);
}

/* 详情页 2 列：左文 + 右图 */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
.feature-split.reverse { grid-template-columns: 1.1fr 1fr; }
.feature-split.reverse .feature-split-text { order: 2; }
.feature-split-text h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.35;
  margin-bottom: 18px;
}
.feature-split-text p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-bottom: 20px;
}
.feature-split-text ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.feature-split-text ul li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--c-text);
  line-height: 1.7;
}
.feature-split-text ul li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 1px;
  color: var(--c-primary);
  font-weight: 700;
}
.feature-split-visual {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-primary-tint) 0%, #fff 100%);
  border: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.feature-split-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 25%, rgba(24,104,224,0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(0,181,116,0.10) 0%, transparent 45%);
}
.feature-split-mock {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-split-mock .mock-tile {
  position: absolute;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  box-shadow: 0 8px 20px -10px rgba(15,26,44,0.18);
  padding: 12px 14px;
  font-size: 12px;
  color: var(--c-ink);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.feature-split-mock .mock-tile::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
}
.feature-split-mock .mock-tile.tile-1 { top: 14%; left: 10%; }
.feature-split-mock .mock-tile.tile-2 { top: 22%; right: 12%; }
.feature-split-mock .mock-tile.tile-3 { bottom: 18%; left: 14%; }
.feature-split-mock .mock-tile.tile-4 { bottom: 12%; right: 10%; }
.feature-split-mock .mock-center {
  position: relative;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-deep) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  padding: 12px;
  box-shadow: 0 20px 40px -16px rgba(24,104,224,0.45);
  z-index: 2;
}
.feature-split-mock .mock-line {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--c-primary) 0%, var(--c-primary) 100%) top left/30% 1px no-repeat,
    linear-gradient(90deg, var(--c-primary) 0%, var(--c-primary) 100%) top right/30% 1px no-repeat,
    linear-gradient(90deg, var(--c-primary) 0%, var(--c-primary) 100%) bottom left/30% 1px no-repeat,
    linear-gradient(90deg, var(--c-primary) 0%, var(--c-primary) 100%) bottom right/30% 1px no-repeat;
  opacity: 0.18;
}
.feature-split-mock .mock-ring {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 240px; height: 240px;
  border: 1px dashed rgba(24,104,224,0.32);
  border-radius: 50%;
}

/* 角色痛点三列 */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.role-card {
  padding: clamp(32px, 3.4vw, 44px);
  background: var(--c-bg);
  border-radius: 12px;
  border: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 240ms ease, transform 240ms ease;
}
.role-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
}
.role-card .role-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.role-card .role-eyebrow::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--c-primary);
}
.role-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.4;
}
.role-card p {
  font-size: 14.5px;
  color: var(--c-text-mute);
  line-height: 1.7;
}

/* 三图标卡（售前/产品支持/下载中心） */
.tri-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tri-tile {
  padding: clamp(32px, 3.4vw, 44px);
  background: var(--c-bg);
  border-radius: 12px;
  border: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  transition: border-color 240ms ease, transform 240ms ease, box-shadow 240ms ease;
  text-decoration: none;
  color: inherit;
}
.tri-tile:hover {
  border-color: var(--c-primary);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -22px rgba(24,104,224,0.22);
}
.tri-tile .tri-icon {
  width: 64px; height: 64px;
  border-radius: 14px;
  background: var(--c-primary-tint);
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.tri-tile .tri-icon svg { width: 32px; height: 32px; }
.tri-tile h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-ink);
}
.tri-tile p {
  font-size: 14px;
  color: var(--c-text-mute);
  line-height: 1.7;
}
.tri-tile .tri-more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tri-tile .tri-more::after {
  content: "→";
  transition: transform 200ms ease;
}
.tri-tile:hover .tri-more::after { transform: translateX(4px); }

/* 大气 hero：详情页使用（深色沉浸式，与首页/列表页一致） */
.page-hero.light {
  background:
    linear-gradient(180deg, rgba(14, 26, 44, 0.92) 0%, rgba(14, 26, 44, 0.78) 18%, rgba(14, 26, 44, 0.35) 55%, rgba(14, 26, 44, 0.65) 100%),
    radial-gradient(ellipse at 75% 30%, rgba(24, 104, 224, 0.35) 0%, rgba(14, 26, 44, 0) 60%),
    linear-gradient(135deg, #0c1a2e 0%, #142844 50%, #0a1628 100%);
  color: #fff;
  padding: calc(var(--header-h) + clamp(56px, 8vw, 120px)) 0 clamp(64px, 8vw, 100px);
  overflow: hidden;
  position: relative;
}
.page-hero.light::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.4;
  pointer-events: none;
}
.page-hero.light .page-hero-bg { display: none; }
.page-hero.light h1 {
  color: #fff;
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 980px;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}
.page-hero.light p {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(15px, 1.4vw, 17px);
  max-width: 720px;
  line-height: 1.7;
}
.page-hero.light .eyebrow {
  color: #6aa3ff;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.page-hero.light .eyebrow::before { background: #6aa3ff; }
.page-hero.light .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-hero.light .breadcrumb a { color: rgba(255, 255, 255, 0.7); text-decoration: none; }
.page-hero.light .breadcrumb a:hover { color: #fff; }
.page-hero.light .breadcrumb .sep { opacity: 0.5; }
.page-hero.light .page-hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(24, 104, 224, 0.18);
  border: 1px solid rgba(106, 163, 255, 0.35);
  color: #cfe0ff;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page-hero.light .page-hero-tagline .dot {
  width: 6px; height: 6px;
  background: #6aa3ff;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(106, 163, 255, 0.8);
}

/* 右侧悬浮按钮 */
.floating-side {
  position: fixed;
  right: 18px;
  bottom: 90px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: stretch;
}
.floating-side .fs-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.floating-side .fs-toggle {
  display: none;
}
.floating-side .fs-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 54px;
  height: 78px;
  background: var(--c-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 200ms ease, transform 200ms ease;
  font-family: inherit;
  font-size: 12px;
  line-height: 1;
  padding: 0;
}
.floating-side .fs-btn:first-child { border-radius: 6px 6px 0 0; }
.floating-side .fs-btn:last-child { border-radius: 0 0 6px 6px; }
.floating-side .fs-btn + .fs-btn { border-top: 1px solid rgba(255,255,255,0.12); }
.floating-side .fs-btn:hover { background: var(--c-primary-deep); }
.floating-side .fs-btn.is-alt { background: #fff; color: var(--c-ink); }
.floating-side .fs-btn.is-alt + .fs-btn { border-top-color: var(--c-line); }
.floating-side .fs-btn.is-alt:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.floating-side .fs-btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.floating-side .fs-btn .fs-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.04em;
  font-weight: 500;
  white-space: nowrap;
  font-size: 12px;
}

@media (max-width: 1360px) {
  .floating-side {
    right: 0;
  }
  .floating-side .fs-btn {
    width: 40px;
    height: 54px;
  }
  .floating-side .fs-btn .fs-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .megamenu { display: none; }
  .capability-grid-2x2 { grid-template-columns: 1fr; }
  .feature-split, .feature-split.reverse { grid-template-columns: 1fr; }
  .feature-split.reverse .feature-split-text { order: 0; }
  .role-grid { grid-template-columns: 1fr; }
  .tri-tiles { grid-template-columns: 1fr; }
  .floating-side {
    right: 16px;
    bottom: 16px;
    align-items: flex-end;
  }
  .floating-side .fs-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 72px;
    height: 44px;
    border: none;
    border-radius: 999px;
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 14px 30px -16px rgba(24, 104, 224, 0.9);
  }
  .floating-side .fs-toggle svg { width: 17px; height: 17px; }
  .floating-side .fs-toggle span { font-size: 13px; font-weight: 650; }
  .floating-side .fs-actions {
    position: absolute;
    right: 0;
    bottom: 54px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s 180ms;
  }
  .floating-side.is-open .fs-actions {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s;
  }
  .floating-side .fs-btn,
  .floating-side .fs-btn.is-alt {
    width: 164px;
    height: 44px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
    padding: 0 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    color: var(--c-ink);
    border: 1px solid var(--c-line);
    box-shadow: 0 14px 34px -22px rgba(15, 26, 44, 0.45);
  }
  .floating-side .fs-btn:first-child,
  .floating-side .fs-btn:last-child { border-radius: 8px; }
  .floating-side .fs-btn + .fs-btn { border-top: 1px solid var(--c-line); }
  .floating-side .fs-btn svg { width: 16px; height: 16px; color: var(--c-primary); }
  .floating-side .fs-btn .fs-text {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip-path: none;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    font-size: 13px;
    letter-spacing: 0;
  }
  .page-hero.light .page-hero-tagline { font-size: 13px; padding: 10px 14px; }
}

@media (max-width: 640px) {
  .floating-side { display: flex; }
}

/* ============================================================
 * 滚动揭示
 * ============================================================ */
.reveal {
  opacity: 1;
  transform: none;
}
html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
html.js .reveal[data-reveal="left"]  { transform: translateX(calc(var(--reveal-shift-x, 48px) * -1)); }
html.js .reveal[data-reveal="right"] { transform: translateX(var(--reveal-shift-x, 48px));  }
html.js .reveal[data-reveal="bottom"]{ transform: translateY(40px);  }
html.js .reveal[data-reveal="top"]   { transform: translateY(-40px); }
html.js .reveal.is-visible,
html.js .reveal[data-reveal="left"].is-visible,
html.js .reveal[data-reveal="right"].is-visible,
html.js .reveal[data-reveal="bottom"].is-visible,
html.js .reveal[data-reveal="top"].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, html.js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-bg { transform: none; }
  .button,
  .home-offering-card,
  .support-tile,
  .case-card,
  .service-step-time,
  .home-offering-card:hover,
  .support-tile:hover,
  .button:hover { transform: none !important; }
}

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width: 1024px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .home-offering-grid { grid-template-columns: repeat(2, 1fr); }
  .home-service-panel { grid-template-columns: 1fr; }
  .service-timeline { grid-template-columns: repeat(2, 1fr); }
  .service-step-time:nth-child(2) { border-right: none; }
  .featured-case { grid-template-columns: 1fr; }
  .benchmark-card, .benchmark-card.reverse { grid-template-columns: 1fr; }
  .benchmark-card.reverse .media { order: 0; }
  .product-showcase { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: 1fr; }
  .solution-detail { grid-template-columns: 88px minmax(0, 1fr); }
  .case-list { grid-template-columns: repeat(2, 1fr); }
  .detail-directory-grid { grid-template-columns: repeat(2, 1fr); }
  .support-tiles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand, .footer-contact { grid-column: span 3; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .main-nav { display: none; }
  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 36px; height: 36px;
    background: transparent; border: none;
    margin-left: auto;
  }
  .menu-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: currentColor;
    transition: transform 200ms ease, opacity 200ms ease, background 320ms ease;
  }
  body.nav-open .menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  body.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--c-bg);
    padding: 16px 24px 32px;
    border-bottom: 1px solid var(--c-line);
    z-index: 49;
  }
  body.nav-open .main-nav a {
    color: var(--c-ink);
    padding: 14px 0;
    border-bottom: 1px solid var(--c-line-soft);
  }
  body.nav-open .main-nav a[aria-current="page"],
  body.nav-open .main-nav a.has-megamenu.is-active,
  body.nav-open .main-nav span.has-megamenu.is-active {
    color: var(--c-primary);
  }
  body.nav-open .main-nav a[aria-current="page"]::after,
  body.nav-open .main-nav a.has-megamenu[aria-current="page"]::before,
  body.nav-open .main-nav span.has-megamenu[aria-current="page"]::before {
    background: var(--c-primary);
  }
  body.nav-open .main-nav a:last-child { border-bottom: none; }
  .nav-tools .nav-search,
  .nav-tools .nav-lang { display: none; }

  .hero { min-height: 100vh; min-height: 100dvh; }
  .hero-title { font-size: clamp(32px, 9vw, 40px); letter-spacing: -0.01em; }
  .hero-lead { font-size: 15px; line-height: 1.6; max-width: 100%; }
  .hero-eyebrow { font-size: 11px; margin-bottom: 16px; }
  .hero-actions .button { height: 44px; font-size: 14px; padding: 0 20px; }
  .page-hero { padding: clamp(60px, 12vw, 100px) 0 clamp(48px, 8vw, 72px); }
  .page-hero h1 { font-size: clamp(26px, 7.2vw, 36px); }
  .page-hero p { font-size: 14px; }

  .capability-grid { grid-template-columns: 1fr; }
  .home-offering-grid { grid-template-columns: 1fr; }
  .home-service-panel { padding: 28px 20px; }
  .home-service-list a {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
  }
  .home-proof-strip {
    align-items: flex-start;
    flex-direction: column;
  }
  .service-timeline { grid-template-columns: 1fr; }
  .service-step-time { border-right: none; border-bottom: 1px solid var(--c-line); }
  .detail-grid { grid-template-columns: 1fr; }
  .solution-detail { grid-template-columns: 1fr; gap: 16px; }
  .solution-number { font-size: 40px; }
  .method-step { min-height: 0; }
  .method-step span { margin-bottom: 22px; }
  .case-list { grid-template-columns: 1fr; }
  .detail-directory-grid { grid-template-columns: 1fr; }
  .product-showcase { padding: 44px clamp(16px, 5vw, 22px); }
  .product-showcase-media img { aspect-ratio: 4 / 3; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand, .footer-contact { grid-column: span 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .family-head { grid-template-columns: 1fr; gap: 12px; }
  .family-head .num { font-size: 40px; }
  .solution-tabs { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .solution-tab { flex: 1 1 33%; padding: 10px 12px; font-size: 13px; }
  .solution-pane { grid-template-columns: 1fr; }
  .catalog-nav-inner { height: auto; padding: 12px 0; gap: 4px; }
  .catalog-nav a { font-size: 13px; padding: 6px 10px; }
}

@media (max-width: 720px) {
  .dhb-page .reveal,
  .solution-space-page .reveal {
    transform: none !important;
  }
  .dhb-page .dhb-showcase-media,
  .dhb-page .dhb-deep-media,
  .dhb-page .dhb-feature-gallery,
  .solution-space-page .solution-space-challenge-visual {
    --reveal-shift-x: 0;
    max-width: 100%;
  }
  .dhb-page .dhb-hero-grid {
    left: 0;
    right: auto;
    width: 100%;
    transform: none;
  }
  .dhb-page .dhb-scan-line {
    transform: none;
  }
}
/* ============================================================
 * 首页信息边界
 * ============================================================ */
.home-principle-band {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  padding: clamp(40px, 5vw, 64px) 0;
}
.home-principle-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.home-principle-copy,
.home-principle-item {
  background: var(--c-bg);
  padding: clamp(26px, 3vw, 40px);
}
.home-principle-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.home-principle-copy h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.25;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}
.home-principle-item {
  min-height: 210px;
  display: flex;
  flex-direction: column;
}
.home-principle-item > span {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0.12em;
  margin-bottom: 22px;
}
.home-principle-item h3 {
  font-size: 20px;
  color: var(--c-ink);
  line-height: 1.35;
  margin-bottom: 12px;
}
.home-principle-item p {
  font-size: 14px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-top: auto;
}

/* ============================================================
 * 能力三列
 * ============================================================ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-left: 1px solid var(--c-line);
}
.capability-item {
  padding: clamp(32px, 4vw, 56px) clamp(24px, 3vw, 40px);
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  transition: background 240ms ease;
}
.capability-item:hover { background: var(--c-bg-tint); }
.capability-item .num {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}
.capability-item h3 {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
  margin-bottom: 16px;
}
.capability-item p {
  font-size: 15px;
  color: var(--c-text-mute);
  line-height: 1.7;
}

/* ============================================================
 * 平台 / 五大中台
 * ============================================================ */
.platform-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.platform-row.reverse { grid-template-columns: 1.15fr 0.85fr; }
.platform-row.reverse .platform-text { order: 2; }
.platform-text h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.platform-text p {
  font-size: 16px;
  color: var(--c-text-mute);
  line-height: 1.7;
  margin-bottom: 28px;
}
.platform-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--c-bg-alt);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--c-line);
}
.platform-visual img { width: 100%; height: 100%; object-fit: cover; }

/* 5 中台网格 - 替代 seewo 的产品生态 */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
}
.platform-cell {
  background: var(--c-bg);
  padding: clamp(24px, 3vw, 40px) clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  transition: background 240ms ease;
}
.platform-cell:hover { background: var(--c-primary-tint); }
.platform-cell .cell-num {
  font-size: 12px;
  color: var(--c-text-soft);
  font-weight: 500;
  letter-spacing: 0.1em;
}
.platform-cell h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}
.platform-cell p {
  font-size: 13px;
  color: var(--c-text-mute);
  margin-top: auto;
  line-height: 1.6;
}
.product-eco {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.product-eco-card {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-bg-alt);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #fff;
  cursor: pointer;
  transition: transform 320ms ease;
}
.product-eco-card:hover { transform: translateY(-4px); }
.product-eco-card .bg {
  position: absolute;
  inset: 0;
  background: var(--card-bg, var(--c-bg-deep)) center/cover no-repeat;
  z-index: 0;
}
.product-eco-card .bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.65) 100%);
}
.product-eco-card .body {
  position: relative;
  z-index: 1;
}
.product-eco-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
}
.product-eco-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
}
.product-eco-card .more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
}
.product-eco-card .more::after { content: "→"; transition: transform 200ms ease; }
.product-eco-card:hover .more::after { transform: translateX(4px); }

/* ============================================================
 * 首页解决方案入口
 * ============================================================ */
.home-solution-section {
  background:
    linear-gradient(135deg, rgba(10, 20, 36, 0.98) 0%, rgba(14, 31, 56, 0.96) 54%, rgba(16, 44, 78, 0.98) 100%);
}
.home-solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  overflow: hidden;
}
.home-solution-card {
  min-height: 250px;
  padding: clamp(28px, 3vw, 42px);
  background: rgba(255, 255, 255, 0.055);
  display: flex;
  flex-direction: column;
  transition: background 240ms ease, transform 240ms ease;
}
.home-solution-card:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.home-solution-card > span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.64);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
.home-solution-card h3 {
  font-size: clamp(20px, 2vw, 25px);
  color: #fff;
  line-height: 1.35;
  margin-bottom: 14px;
}
.home-solution-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
  margin-top: auto;
}

/* ============================================================
 * 解决方案 - 标签切换
 * ============================================================ */
.solution-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 48px;
}
.solution-tab {
 * 服务支持 4 步
 * ============================================================ */
.service-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
}
.service-step {
  padding: clamp(32px, 4vw, 48px) clamp(20px, 2vw, 32px) clamp(32px, 4vw, 48px) 0;
  border-right: 1px solid var(--c-line);
  position: relative;
}
.service-step:last-child { border-right: none; }
.service-step .num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}
.service-step h3 {
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .home-solution-grid { grid-template-columns: repeat(2, 1fr); }
  .service-flow { grid-template-columns: repeat(2, 1fr); }
  .service-step { border-right: none; border-bottom: 1px solid var(--c-line); }
  .service-step:nth-child(2) { border-right: none; }
  .service-timeline { grid-template-columns: repeat(2, 1fr); }
  .service-step-time:nth-child(2) { border-right: none; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .home-solution-grid { grid-template-columns: 1fr; }
  .service-flow { grid-template-columns: 1fr; }
  .service-step { border-bottom: 1px solid var(--c-line); }
  .service-timeline { grid-template-columns: 1fr; }
  .service-step-time { border-right: none; border-bottom: 1px solid var(--c-line); }
  .detail-grid { grid-template-columns: 1fr; }

}
}

/* ============================================
   首页深度优化 — 参考 Seewo 风格
   ============================================ */

/* ===== 核心能力段：大卡片 + 渐变 + 图标 ===== */
.home-capabilities {
  padding: 72px 0 80px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}
.home-capabilities .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.home-cap-head { text-align: center; margin-bottom: 44px; }
.home-cap-head .kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: #0369a1; text-transform: uppercase; margin-bottom: 12px;
  padding: 6px 16px; background: rgba(3,105,161,0.08); border-radius: 100px;
}
.home-cap-head h2 {
  font-size: clamp(32px, 4.5vw, 52px); font-weight: 800; color: #0f172a;
  line-height: 1.2; letter-spacing: -0.5px;
}
.home-cap-head p {
  font-size: 17px; color: #475569; margin-top: 16px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.home-cap-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
@media (max-width: 900px) { .home-cap-grid { grid-template-columns: 1fr; gap: 16px; } }
.home-cap-card {
  position: relative; padding: 48px 36px; border-radius: 20px;
  background: #ffffff; border: 1px solid #e2e8f0;
  overflow: hidden; cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease, border-color 0.3s ease;
  opacity: 0; transform: translateY(30px);
}
.home-cap-card.reveal-in { opacity: 1; transform: translateY(0); }
.home-cap-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #0369a1, #0ea5e9, #06b6d4);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.home-cap-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 48px -12px rgba(3,105,161,0.18);
  border-color: rgba(3,105,161,0.2);
}
.home-cap-card:hover::before { transform: scaleX(1); }
.home-cap-icon {
  width: 64px; height: 64px; border-radius: 16px; margin-bottom: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #0369a1, #0ea5e9);
  box-shadow: 0 8px 24px -6px rgba(3,105,161,0.35);
}
.home-cap-card:nth-child(2) .home-cap-icon { background: linear-gradient(135deg, #0369a1, #0ea5e9); box-shadow: 0 8px 24px -6px rgba(3,105,161,0.35); }
.home-cap-card:nth-child(3) .home-cap-icon { background: linear-gradient(135deg, #0369a1, #0ea5e9); box-shadow: 0 8px 24px -6px rgba(3,105,161,0.35); }
.home-cap-card h3 {
  font-size: 24px; font-weight: 700; color: #0f172a; margin-bottom: 12px; line-height: 1.3;
}
.home-cap-card p {
  font-size: 15px; color: #64748b; line-height: 1.6;
}
.home-cap-card .cap-num {
  position: absolute; top: 28px; right: 32px; font-size: 56px; font-weight: 900;
  color: #f1f5f9; line-height: 1; z-index: 0; font-family: 'Plus Jakarta Sans', sans-serif;
}

/* ===== 平台与产品段：渐变背景 + 交互卡片 ===== */
.home-platform {
  padding: 64px 0 80px;
  background: linear-gradient(180deg, #eef2f7 0%, #e8ecf1 100%); position: relative; overflow: hidden;
}
.home-platform::before {
  content: ''; position: absolute; top: -200px; right: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(3,105,161,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.home-platform .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.home-platform-head { text-align: center; margin-bottom: 40px; }
.home-platform-head .kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: #0ea5e9; text-transform: uppercase; margin-bottom: 12px;
  padding: 6px 16px; background: rgba(14,165,233,0.1); border-radius: 100px;
}
.home-platform-head h2 {
  font-size: clamp(32px, 4.5vw, 52px); font-weight: 800; color: #0f172a;
  line-height: 1.2; letter-spacing: -0.5px;
}
.home-platform-head p {
  font-size: 17px; color: #475569; margin-top: 16px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.home-platform-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
@media (max-width: 1024px) { .home-platform-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .home-platform-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .home-platform-grid { grid-template-columns: 1fr; } }
.home-platform-card {
  position: relative; padding: 32px 24px; border-radius: 16px;
  background: #ffffff; border: 1px solid #e2e8f0;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  cursor: pointer; text-decoration: none; display: block;
  opacity: 0; transform: translateY(20px);
}
.home-platform-card.reveal-in { opacity: 1; transform: translateY(0); }
.home-platform-card:hover {
  background: #ffffff; border-color: rgba(3,105,161,0.3);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px -8px rgba(3,105,161,0.15);
}
.home-platform-card .pf-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px; color: #0369a1;
  background: rgba(3,105,161,0.08); border: 1px solid rgba(3,105,161,0.15);
}
.home-platform-card:hover .pf-icon {
  background: linear-gradient(135deg, #0369a1, #0ea5e9); color: #fff; border-color: transparent;
}
.home-platform-card h4 {
  font-size: 18px; font-weight: 700; color: #0f172a; margin-bottom: 8px;
}
.home-platform-card p {
  font-size: 13px; color: #64748b; line-height: 1.5;
}
.home-platform-card .pf-arrow {
  margin-top: 16px; font-size: 13px; color: #0369a1; font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
  opacity: 0; transform: translateX(-8px); transition: all 0.3s ease;
}
.home-platform-card:hover .pf-arrow { opacity: 1; transform: translateX(0); }

/* ===== 解决方案段：深色渐变 + 大卡片 ===== */
.home-solutions {
  padding: 72px 0 80px;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  position: relative; overflow: hidden;
}
.home-solutions::before {
  content: ''; position: absolute; bottom: -200px; left: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.home-solutions .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.home-sol-head { text-align: center; margin-bottom: 44px; }
.home-sol-head .kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: #0ea5e9; text-transform: uppercase; margin-bottom: 12px;
  padding: 6px 16px; background: rgba(14,165,233,0.1); border-radius: 100px;
}
.home-sol-head h2 {
  font-size: clamp(32px, 4.5vw, 52px); font-weight: 800; color: #fff;
  line-height: 1.2; letter-spacing: -0.5px;
}
.home-sol-head p {
  font-size: 17px; color: #94a3b8; margin-top: 16px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.home-sol-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
@media (max-width: 768px) { .home-sol-grid { grid-template-columns: 1fr; } }
.home-sol-card {
  position: relative; padding: 40px 36px; border-radius: 20px; overflow: hidden;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(8px); text-decoration: none; display: block; cursor: pointer;
  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);
  opacity: 0; transform: translateY(24px);
}
.home-sol-card.reveal-in { opacity: 1; transform: translateY(0); }
.home-sol-card::after {
  content: ''; position: absolute; top: 0; right: 0; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}
.home-sol-card:hover::after { opacity: 1; }
.home-sol-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14,165,233,0.3);
  box-shadow: 0 20px 48px -12px rgba(0,0,0,0.4);
  background: rgba(255,255,255,0.05);
}
.home-sol-card .sol-tag {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 1px;
  color: #0ea5e9; padding: 5px 12px; background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.2); border-radius: 100px; margin-bottom: 20px;
}
.home-sol-card:nth-child(2) .sol-tag { color: #0ea5e9; background: rgba(14,165,233,0.1); border-color: rgba(14,165,233,0.2); }
.home-sol-card:nth-child(3) .sol-tag { color: #0ea5e9; background: rgba(14,165,233,0.1); border-color: rgba(14,165,233,0.2); }
.home-sol-card:nth-child(4) .sol-tag { color: #0ea5e9; background: rgba(14,165,233,0.1); border-color: rgba(14,165,233,0.2); }
.home-sol-card h3 {
  font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 12px; line-height: 1.3;
}
.home-sol-card p {
  font-size: 15px; color: #94a3b8; line-height: 1.6;
}
.home-sol-card .sol-keywords {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px;
}
.home-sol-card .sol-keywords span {
  font-size: 12px; color: #64748b; padding: 4px 10px;
  background: rgba(255,255,255,0.04); border-radius: 6px;
}
.home-sol-card:hover .sol-keywords span { color: #94a3b8; }

/* CTA 段增强 */
.home-cta {
  padding: 56px 0 72px; background: #ffffff;
  position: relative; overflow: hidden;
}
.home-cta .container { max-width: 800px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; text-align: center; }
.home-cta h2 {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: #0f172a;
  line-height: 1.3; margin-bottom: 32px;
}
.home-cta .button.primary {
  font-size: 16px; font-weight: 600; padding: 16px 40px; border-radius: 100px;
  background: linear-gradient(135deg, #0369a1, #0ea5e9); color: #fff; text-decoration: none; display: inline-block;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 8px 24px -6px rgba(3,105,161,0.35);
}
.home-cta .button.primary:hover {
  transform: translateY(-3px) scale(1.03); box-shadow: 0 16px 40px -8px rgba(3,105,161,0.4);
}

@media (prefers-reduced-motion: reduce) {
  .home-cap-card, .home-platform-card, .home-sol-card {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
}

/* ===== 平台与产品：Bento 产品线大卡（紧凑版） ===== */
.home-product-lines {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-top: 4px;
}
@media (max-width: 1024px) { .home-product-lines { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .home-product-lines { grid-template-columns: 1fr; } }

.home-product-line {
  position: relative; border-radius: 20px; overflow: hidden; cursor: pointer;
  background: #ffffff; border: 1px solid #e2e8f0;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.4s ease, border-color 0.4s ease;
  opacity: 0; transform: translateY(28px) scale(0.98);
  display: flex; flex-direction: column;
}
.home-product-line.reveal-in { opacity: 1; transform: translateY(0) scale(1); }
.home-product-line::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 80px;
  background: linear-gradient(135deg, rgba(3,105,161,0.06) 0%, rgba(14,165,233,0.02) 100%);
  pointer-events: none; transition: height 0.4s ease;
}
.home-product-line:hover {
  transform: translateY(-6px) scale(1.005);
  border-color: rgba(3,105,161,0.25);
  box-shadow: 0 24px 64px -16px rgba(3,105,161,0.18),
              0 8px 20px -8px rgba(15,23,42,0.08);
}
.home-product-line:hover::before { height: 110px; }

/* 产品线头部 */
.home-product-line .pline-header { padding: 24px 24px 16px; position: relative; z-index: 1; }
.home-product-line .pline-icon {
  width: 44px; height: 44px; border-radius: 14px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center; color: #fff;
  background: linear-gradient(135deg, #0369a1, #0ea5e9);
  box-shadow: 0 10px 28px -8px rgba(3,105,161,0.4);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.home-product-line:hover .pline-icon { transform: scale(1.08) rotate(-3deg); }
.home-product-line .pline-header h3 {
  font-size: 18px; font-weight: 700; color: #0f172a; margin-bottom: 4px;
  letter-spacing: -0.3px;
}
.home-product-line .pline-header p {
  font-size: 13px; color: #64748b; line-height: 1.4;
}
/* 产品计数角标 */
.home-product-line .pline-count {
  position: absolute; top: 20px; right: 20px;
  font-size: 12px; font-weight: 700; color: #0369a1;
  background: rgba(3,105,161,0.08); padding: 5px 12px; border-radius: 100px;
  letter-spacing: 0.5px;
}

/* 产品列表 */
.home-product-line .pline-products {
  flex: 1; padding: 4px 24px 20px; position: relative; z-index: 1;
  border-top: 1px solid #f1f5f9; margin-top: 2px; padding-top: 14px;
}
.home-product-line .pline-products a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 0; font-size: 14px; color: #475569; text-decoration: none;
  border-bottom: 1px solid #f8fafc;
  transition: color 0.25s ease, padding-left 0.25s ease, font-weight 0.25s ease;
}
.home-product-line .pline-products a:last-child { border-bottom: none; }
.home-product-line .pline-products a::after {
  content: ''; width: 16px; height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23cbd5e1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: 0; transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.home-product-line .pline-products a:hover {
  color: #0369a1; font-weight: 600; padding-left: 10px;
}
.home-product-line .pline-products a:hover::after {
  opacity: 1; transform: translateX(0);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230369a1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
}

/* 3 条产品线差异化（蓝色系深浅） */
.home-product-line:nth-child(1) .pline-icon {
  background: linear-gradient(135deg, #0369a1, #0ea5e9);
  box-shadow: 0 10px 28px -8px rgba(3,105,161,0.4);
}
.home-product-line:nth-child(2) .pline-icon {
  background: linear-gradient(135deg, #0c4a6e, #0369a1);
  box-shadow: 0 10px 28px -8px rgba(12,74,110,0.4);
}
.home-product-line:nth-child(2)::before {
  background: linear-gradient(135deg, rgba(12,74,110,0.07) 0%, rgba(3,105,161,0.02) 100%);
}
.home-product-line:nth-child(3) .pline-icon {
  background: linear-gradient(135deg, #0369a1, #06b6d4);
  box-shadow: 0 10px 28px -8px rgba(6,182,212,0.35);
}
.home-product-line:nth-child(3)::before {
  background: linear-gradient(135deg, rgba(6,182,212,0.06) 0%, rgba(3,105,161,0.02) 100%);
}
.home-product-line:nth-child(3) .pline-count {
  color: #0891b2; background: rgba(8,145,178,0.08);
}
.home-product-line:nth-child(2) .pline-count {
  color: #0c4a6e; background: rgba(12,74,110,0.08);
}
.home-product-line:nth-child(2) .pline-products a:hover {
  color: #0c4a6e;
}
.home-product-line:nth-child(2) .pline-products a:hover::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230c4a6e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
}
.home-product-line:nth-child(3) .pline-products a:hover {
  color: #0891b2;
}
.home-product-line:nth-child(3) .pline-products a:hover::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230891b2' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
}

/* 底部查看更多 */
.pline-footer {
  padding: 0 24px 20px; position: relative; z-index: 1;
}
.pline-footer a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: #0369a1; text-decoration: none;
  transition: gap 0.25s ease;
}
.pline-footer a:hover { gap: 10px; }
.home-product-line:nth-child(2) .pline-footer a { color: #0c4a6e; }
.home-product-line:nth-child(3) .pline-footer a { color: #0891b2; }