/* ==========================================================================
   今闪 (JinShan) 官方网站 · 现代高定品牌设计系统
   设计理念：暖通智控 · 极简科技 · 隐于环境 · 专注舒适
   ========================================================================== */

@font-face {
  font-family: "Source Han Sans SC";
  src: url("assets/fonts/sc-400.woff2") format("woff2"),
       url("assets/fonts/sc-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("assets/fonts/sc-600.woff2") format("woff2"),
       url("assets/fonts/sc-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- 设计系统变量 (Design Tokens) ---------- */
:root {
  /* 基础与表面层级 */
  --bg: #f8f9fb;
  --bg-subtle: #f2f4f8;
  --surface: #ffffff;
  --surface-hover: #fafbfc;
  --surface-glass: rgba(255, 255, 255, 0.82);
  --surface-glass-subtle: rgba(255, 255, 255, 0.6);
  --surface-glass-dark: rgba(14, 18, 26, 0.78);

  /* 文字系统 */
  --ink: #111620;
  --ink-secondary: #3b4453;
  --muted: #647082;
  --muted-light: #9aa5b6;

  /* 边框与微光 */
  --line: rgba(17, 22, 32, 0.07);
  --line-light: rgba(17, 22, 32, 0.04);
  --line-strong: rgba(17, 22, 32, 0.12);
  --line-highlight: rgba(255, 255, 255, 0.9);

  /* 核心主色：深海科技蓝 */
  --blue: #0b50e3;
  --blue-light: #2a6df7;
  --blue-deep: #0738ab;
  --blue-soft: #edf3fe;
  --blue-tint: rgba(11, 80, 227, 0.06);
  --blue-glow: rgba(11, 80, 227, 0.22);
  --blue-border: rgba(11, 80, 227, 0.16);

  /* 警示与辅助 */
  --red: #d93829;
  --red-soft: #fdf2f1;
  --red-border: rgba(217, 56, 41, 0.15);

  /* 暗色沉浸层 */
  --dark: #090c13;
  --dark-surface: #101622;
  --dark-elevated: #161e2e;
  --dark-line: rgba(255, 255, 255, 0.09);
  --dark-line-strong: rgba(255, 255, 255, 0.16);

  /* 圆角规范 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius: 22px;
  --radius-lg: 28px;
  --radius-pill: 9999px;

  /* 物理缓动 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1);

  /* 多层环境光散射阴影 */
  --shadow-xs: 0 1px 2px rgba(17, 22, 32, 0.03);
  --shadow-sm: 0 2px 8px -2px rgba(17, 22, 32, 0.05), 0 1px 3px rgba(17, 22, 32, 0.02);
  --shadow: 0 10px 30px -8px rgba(17, 22, 32, 0.06), 0 2px 8px -2px rgba(17, 22, 32, 0.03);
  --shadow-lg: 0 24px 64px -16px rgba(17, 22, 32, 0.1), 0 8px 24px -6px rgba(17, 22, 32, 0.04);
  --shadow-lift: 0 20px 48px -12px rgba(11, 80, 227, 0.18), 0 4px 16px -4px rgba(17, 22, 32, 0.06);

  /* 字体族 */
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- 按钮系统 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: transform 0.24s var(--ease),
              box-shadow 0.24s var(--ease),
              background 0.24s var(--ease),
              border-color 0.24s var(--ease),
              color 0.24s var(--ease);
}

.btn:active {
  transform: scale(0.975);
}

.btn-primary {
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue) 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28),
              0 6px 18px -4px rgba(11, 80, 227, 0.45);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #3775f8 0%, var(--blue-deep) 100%);
  transform: translateY(-1.5px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32),
              0 10px 26px -6px rgba(11, 80, 227, 0.55);
}

.btn-ghost {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--blue-border);
  color: var(--blue);
  transform: translateY(-1.5px);
  box-shadow: var(--shadow-sm);
}

.btn-white {
  background: #ffffff;
  color: var(--blue-deep);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.3);
}

.btn-white:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 14px 32px -8px rgba(0, 0, 0, 0.4);
  background: #ffffff;
  color: var(--blue);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-outline-white:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1.5px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 13.5px;
}

/* ---------- 导航栏：超清悬浮毛玻璃 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 249, 251, 0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(17, 22, 32, 0.05);
  transition: background 0.3s var(--ease),
              border-color 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px -6px rgba(17, 22, 32, 0.05);
}

.header-inner {
  width: min(1200px, calc(100% - 48px));
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 36px;
}

.brand img {
  height: 28px;
  width: auto;
  transition: opacity 0.2s var(--ease);
}

.brand:hover img {
  opacity: 0.85;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.nav a,
.nav-parent {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav a:hover,
.nav-parent:hover {
  color: var(--ink);
  background: rgba(17, 22, 32, 0.04);
}

.nav-item {
  position: relative;
}

.nav-parent {
  gap: 5px;
  cursor: pointer;
}

.nav-parent svg {
  width: 8px;
  height: 5px;
  flex: none;
  opacity: 0.6;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.has-dropdown:hover .nav-parent svg {
  transform: rotate(180deg);
  opacity: 1;
}

/* 下拉菜单：精致微晶玻璃态 */
.has-dropdown .dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translate(-50%, 6px);
  display: flex;
  gap: 32px;
  padding: 22px 26px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 48px -12px rgba(17, 22, 32, 0.12),
              0 4px 12px -2px rgba(17, 22, 32, 0.04),
              inset 0 1px 0 rgba(255, 255, 255, 0.95);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s var(--ease),
              transform 0.24s var(--ease),
              visibility 0.24s;
  white-space: nowrap;
  z-index: 120;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.dropdown-col p {
  margin: 0 0 10px;
  padding-left: 8px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.dropdown-col a {
  display: block;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.dropdown-col a:hover {
  color: var(--blue);
  background: var(--blue-soft);
}

/* 移动端汉堡按钮与折叠菜单（≤640px 时一级导航隐藏后的替代入口） */
.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  margin-left: auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

.mobile-menu {
  display: none;
}

@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
  .mobile-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    transition: max-height 0.35s var(--ease), border-color 0.3s var(--ease);
  }
  .mobile-menu.open {
    max-height: 76vh;
    overflow-y: auto;
    border-top-color: var(--line);
  }
  .mobile-menu-inner {
    width: calc(100% - 32px);
    margin: 0 auto;
    padding: 12px 0 22px;
  }
  .mobile-menu-group {
    margin: 14px 0 4px;
    padding-left: 12px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--muted-light);
  }
  .mobile-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
  }
  .mobile-menu a:active {
    background: var(--blue-soft);
    color: var(--blue);
  }
  .mobile-menu a.active {
    color: var(--blue);
    font-weight: 600;
  }
}

/* ---------- 容器与排版规范 ---------- */
.wrap {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 108px 0 0;
  scroll-margin-top: 68px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

.eyebrow.light {
  background: rgba(42, 109, 247, 0.15);
  border-color: rgba(42, 109, 247, 0.3);
  color: #a4c1ff;
}

.section-head {
  max-width: 660px;
  margin-bottom: 52px;
}

.section-head h2,
.scene-copy h2,
.cta-inner h2 {
  margin: 0;
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 600;
  line-height: 1.26;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.section-sub {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Hero v2 全屏沉浸 (首页大焦点) ---------- */
.hero-v2 {
  position: relative;
  height: calc(100svh - 64px);
  min-height: 580px;
  overflow: hidden;
  background: var(--dark);
}

.hero-v2-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  transition: transform 1.2s var(--ease);
}

.hero-v2-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 max(48px, calc((100% - 1200px) / 2)) 76px;
  color: #ffffff;
  background: linear-gradient(
    to top,
    rgba(9, 12, 19, 0.85) 0%,
    rgba(9, 12, 19, 0.45) 50%,
    transparent 100%
  );
  backdrop-filter: blur(1px);
}

.hero-v2-copy h1 {
  margin: 0;
  padding-top: 80px;
  font-size: clamp(42px, 5.4vw, 70px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.hero-v2-copy p {
  max-width: 32em;
  margin: 18px 0 30px;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

/* ---------- 品牌叙事区 (Story) ---------- */
.story {
  position: relative;
  background:
    radial-gradient(1000px 500px at 15% 0%, rgba(11, 80, 227, 0.05), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  color: var(--ink);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.story-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.story-line {
  margin: 0;
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.story-media {
  position: relative;
}

.story-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -16px rgba(15, 23, 42, 0.09),
              0 0 0 1px rgba(255, 255, 255, 0.8);
}

.hero-stats {
  display: flex;
  margin: 44px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}

.hero-stats div {
  padding-right: 36px;
  margin-right: 36px;
  border-right: 1px solid var(--line);
}

.hero-stats div:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

.hero-stats dt {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.hero-stats dt small {
  font-size: 14px;
  font-weight: 500;
  margin-left: 2px;
  color: var(--muted);
}

.hero-stats dd {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.hero-stats.on-dark {
  border-top-color: var(--line);
}

.hero-stats.on-dark div {
  border-right-color: var(--line);
}

.hero-stats.on-dark dt {
  color: var(--blue-deep);
}

.hero-stats.on-dark dt small {
  color: var(--muted);
}

.hero-stats.on-dark dd {
  color: var(--muted);
}

/* ---------- 产品矩阵卡片 (Product Grid) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
  transition: transform 0.32s var(--ease),
              box-shadow 0.32s var(--ease),
              border-color 0.32s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(11, 80, 227, 0.32);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-lift);
}

.tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
}

.card-img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 8px 8px;
  margin-bottom: 8px;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at 50% 60%, rgba(240, 243, 248, 0.8) 0%, transparent 72%);
}

.card-img img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.4s var(--ease);
  filter: drop-shadow(0 4px 12px rgba(17, 22, 32, 0.08));
}

.card:hover .card-img img {
  transform: scale(1.05);
}

.card h3 {
  margin: 12px 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 控制方式 (Control Grid) ---------- */
.control-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.ctl {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
  transition: transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
}

.ctl:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 80, 227, 0.28);
  box-shadow: var(--shadow);
}

.ctl-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--blue-light) 0%, var(--blue) 100%);
  color: #ffffff;
  box-shadow: 0 8px 18px -4px rgba(11, 80, 227, 0.45);
}

.ctl-icon svg {
  width: 24px;
  height: 24px;
}

.ctl h3 {
  margin: 16px 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.ctl p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.control .ctl {
  padding: 22px;
}

.control .ctl-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.control .ctl-icon svg {
  width: 22px;
  height: 22px;
}

.control .section-head {
  margin-bottom: 36px;
}

/* ---------- 场景 (舒适全景体验) ---------- */
.scene {
  margin-top: 96px;
  background:
    radial-gradient(900px 480px at 90% 0%, rgba(11, 80, 227, 0.05), transparent 60%),
    radial-gradient(640px 420px at 0% 100%, rgba(11, 80, 227, 0.03), transparent 55%),
    linear-gradient(180deg, #f8f9fb 0%, #ffffff 100%);
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.scene-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 104px 0;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 64px;
}

.scene-copy h2 {
  color: var(--ink);
}

.scene-sub {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

/* 现代清单 (无粗暴边框拼接，优雅微矢量圆环) */
.check-list {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(11, 80, 227, 0.25);
  border: 1px solid rgba(42, 109, 247, 0.4);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 7px;
  width: 6px;
  height: 4px;
  border-left: 1.6px solid #8ab4f8;
  border-bottom: 1.6px solid #8ab4f8;
  transform: rotate(-45deg);
}

.check-list.light li {
  color: var(--ink-secondary);
}

.check-list.light li::before {
  background: var(--blue-soft);
  border-color: rgba(11, 80, 227, 0.2);
}

.check-list.light li::after {
  border-color: var(--blue);
}

.scene-media {
  position: relative;
}

.scene-main {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 32px 72px -20px rgba(0, 0, 0, 0.7);
}

.scene-float {
  position: absolute;
  left: -28px;
  bottom: -28px;
  width: 44%;
  border-radius: var(--radius-md);
  border: 4px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s var(--ease);
}

.scene-float:hover {
  transform: translateY(-4px) scale(1.02);
}

/* ---------- 生态与兼容 (Eco) ---------- */
.eco-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.eco-card {
  padding: 36px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
  transition: transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
}

.eco-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 80, 227, 0.3);
  box-shadow: var(--shadow);
}

.eco-badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--blue-soft);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.eco-card h3 {
  margin: 18px 0 10px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.eco-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.eco-note {
  margin-top: 16px !important;
  font-weight: 600;
  color: var(--ink) !important;
}

.brand-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.brand-chips li {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
  transition: border-color 0.2s, background 0.2s;
}

.brand-chips li:hover {
  border-color: var(--blue-border);
  background: var(--blue-soft);
  color: var(--blue);
}

.eco-card.with-media {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.eco-phone {
  height: 260px;
  width: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.shot-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 22px;
}

.shot-row img {
  height: 340px;
  width: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.shot-row.compact img {
  height: 260px;
}

/* ---------- 商用集控入口卡片 (Biz Card · 浅色科技微光版) ---------- */
.biz-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  padding: 44px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(800px 360px at 100% 0%, rgba(11, 80, 227, 0.07), transparent 60%),
    linear-gradient(135deg, #ffffff 0%, #f6f8fb 100%);
  border: 1px solid rgba(11, 80, 227, 0.16);
  color: var(--ink);
  overflow: hidden;
  box-shadow: 0 20px 48px -12px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(11, 80, 227, 0.04);
  transition: transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
}

.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 64px -16px rgba(11, 80, 227, 0.14), 0 0 0 1px rgba(11, 80, 227, 0.12);
  border-color: rgba(11, 80, 227, 0.32);
}

.biz-card .eyebrow {
  background: var(--blue-tint);
  border-color: var(--blue-border);
  color: var(--blue);
  margin-bottom: 14px;
}

.biz-copy h2 {
  margin: 0;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.biz-copy > p {
  margin: 14px 0 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.biz-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--blue);
  transition: color 0.2s var(--ease);
}

.biz-link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s var(--ease);
}

.biz-card:hover .biz-link svg {
  transform: translateX(4px);
}

.biz-stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 0;
}

.biz-stats div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid rgba(11, 80, 227, 0.12);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.biz-stats dt {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.biz-stats dd {
  margin: 0;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
}

/* 首屏分栏中的商用卡片适配单列垂直流 */
.page-hero-grid .biz-card {
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 34px 28px;
}

.page-hero-grid .biz-card .biz-stats {
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-hero-grid .biz-card .biz-stats div {
  padding: 12px 16px;
}

/* ---------- 底部转化条 (CTA Band) ---------- */
.cta-band {
  width: min(1200px, calc(100% - 48px));
  margin: 112px auto;
  scroll-margin-top: 68px;
}

.cta-inner {
  position: relative;
  overflow: hidden;
  padding: 72px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  color: #ffffff;
  background:
    radial-gradient(700px 300px at 15% -20%, rgba(255, 255, 255, 0.22), transparent 60%),
    linear-gradient(135deg, var(--blue-light) 0%, var(--blue-deep) 100%);
  box-shadow: 0 28px 64px -16px rgba(11, 80, 227, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-bolt {
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  color: #ffffff;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.cta-inner h2 {
  color: #ffffff;
}

.cta-inner p {
  margin: 16px 0 28px;
  font-size: 15.5px;
  color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* CTA 三大落地保障胶囊（打消工程顾虑） */
.cta-guarantees {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 960px;
  margin: 0 auto 36px;
  text-align: left;
}

.cta-guarantee-pill {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  color: #ffffff;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.cta-guarantee-pill:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-guarantee-pill .cg-icon {
  font-size: 22px;
  line-height: 1;
  margin-bottom: 2px;
}

.cta-guarantee-pill strong {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

.cta-guarantee-pill span:not(.cg-icon) {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.45;
}

@media (max-width: 820px) {
  .cta-guarantees {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 28px;
  }
  .cta-guarantee-pill {
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
  }
  .cta-guarantee-pill .cg-icon {
    margin-bottom: 0;
  }
}

/* ---------- 事实数据条 (Facts) ---------- */
.facts {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1.4fr;
  gap: 32px;
  margin: 0;
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}

.facts dt {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--muted);
}

.facts dd {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 页脚 (Footer) ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 60px 0 44px;
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1.2fr;
  gap: 36px;
}

.footer-brand img {
  height: 26px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.footer-col h4 {
  margin: 2px 0 16px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.footer-col a,
.footer-col span {
  display: block;
  margin-bottom: 9px;
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.footer-col a:hover {
  color: var(--blue);
}

.footer-contact a {
  color: var(--ink);
  font-weight: 500;
}

.footer-bar {
  border-top: 1px solid var(--line-light);
  padding: 20px 24px;
  text-align: center;
  font-size: 12.5px;
  color: var(--muted-light);
}

/* ---------- 子页面通用规范 (Page Hero & Breadcrumb) ---------- */
.page-hero {
  padding: 56px 0 52px;
  background:
    radial-gradient(1000px 380px at 85% -10%, rgba(11, 80, 227, 0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.breadcrumb a {
  transition: color 0.2s var(--ease);
}

.breadcrumb a:hover {
  color: var(--blue);
}

.breadcrumb span::before {
  content: "›";
  margin: 0 8px;
  color: var(--muted-light);
}

.breadcrumb span:first-child::before {
  display: none;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.page-hero .tag {
  position: static;
  display: inline-block;
  margin-bottom: 16px;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-hero .lead {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-img-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow);
}

.hero-img-card img {
  max-height: 380px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 24px rgba(17, 22, 32, 0.08));
}

/* ---------- 商用首屏实景展台 (Hero Scene Wrap · 方案 B) ---------- */
.hero-scene-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(11, 80, 227, 0.16);
  box-shadow: 0 24px 60px -16px rgba(15, 23, 42, 0.12),
              0 0 0 1px rgba(11, 80, 227, 0.04);
  background: #f8fafc;
}

.hero-scene-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.hero-scene-wrap:hover .hero-scene-img {
  transform: scale(1.02);
}

.hero-scene-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.28) 0%,
    transparent 35%,
    rgba(15, 23, 42, 0.62) 100%
  );
}

.hero-scene-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
  font-size: 13px;
  color: var(--ink);
}

.hero-scene-badge .badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.hero-scene-badge strong {
  font-weight: 600;
  color: var(--ink);
}

.hero-scene-badge span {
  font-size: 12px;
  color: var(--muted);
  border-left: 1px solid rgba(15, 23, 42, 0.12);
  padding-left: 8px;
  margin-left: 2px;
}

.hero-scene-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 100%;
  pointer-events: auto;
}

.hero-stat-pill {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 12px 10px;
  text-align: center;
  box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.16);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.hero-stat-pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -6px rgba(11, 80, 227, 0.2);
}

.hero-stat-pill strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero-stat-pill span {
  display: block;
  margin-top: 4px;
  font-size: 11.5px;
  font-weight: 500;
  color: #475569;
  line-height: 1.35;
}

/* 详情横幅大图 */
.detail-banner {
  padding-top: 56px;
}

.detail-banner img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  display: block;
}

/* 详情页主体分区 */
.detail-section {
  padding: 80px 0 0;
}

.detail-section:last-of-type {
  padding-bottom: 96px;
}

.detail-section h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.detail-section .section-sub {
  margin-bottom: 36px;
}

/* ---------- 卖点网格 (彻底剔除过时小菱形，纯净现代排版) ---------- */
.point-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.point-card {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
  transition: transform 0.28s var(--ease),
              box-shadow 0.28s var(--ease),
              border-color 0.28s var(--ease);
}

.point-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 80, 227, 0.25);
  box-shadow: var(--shadow);
}

/* 纯净现代标题：无粗俗的 before 旋转方块 */
.point-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
  display: flex;
  align-items: center;
}

.point-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 重点提示块 */
.note-block {
  padding: 28px 32px;
  border-radius: var(--radius);
  background: var(--blue-soft);
  border: 1px solid var(--blue-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.note-block h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--blue-deep);
}

.note-block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #2b3952;
}

/* 规格表 (现代优雅双列排布) */
.spec-table {
  margin: 0;
  border-top: 1px solid var(--line);
}

.spec-table div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-light);
  transition: background 0.2s;
}

.spec-table dt {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.spec-table dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* ---------- 商用集控专属组件 (Pain Points & Architecture) ---------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.pain-card {
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
  transition: transform 0.28s var(--ease),
              box-shadow 0.28s var(--ease);
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* 高定冷峻痛点编号：等宽现代微标 */
.pain-card .pain-no {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--red-soft);
  border: 1px solid var(--red-border);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--red);
}

.pain-card h3 {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.pain-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 架构层级流图 */
.arch-layers {
  display: grid;
  gap: 16px;
}

.arch-layer {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight),
              var(--shadow-sm);
}

.arch-label {
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--blue-deep);
}

.arch-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.arch-items span {
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
}

.arch-arrow {
  text-align: center;
  color: var(--muted-light);
  font-size: 16px;
  line-height: 1;
}

/* ---------- 现代物理入场动画 (Apple Spring Curve) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease),
              transform 0.8s var(--ease);
  will-change: opacity, transform;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式规范 ---------- */
@media (max-width: 1020px) {
  .hero-v2 { min-height: 500px; }
  .story-inner { grid-template-columns: 1fr; gap: 48px; padding: 80px 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .control-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-inner { grid-template-columns: 1fr; gap: 52px; padding: 84px 0 96px; }
  .scene-float { left: 16px; bottom: -24px; }
  .eco-grid, .point-grid { grid-template-columns: 1fr; }
  .biz-card { grid-template-columns: 1fr; gap: 32px; padding: 40px 32px; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .pain-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  .header-inner { width: calc(100% - 32px); gap: 16px; height: 58px; }
  .nav { display: none; }
  .section { width: calc(100% - 32px); padding-top: 72px; }
  .hero-v2 { min-height: 480px; height: 76svh; }
  .hero-v2-copy { padding: 0 20px 48px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-stats div { padding-right: 0; margin-right: 0; border-right: 0; display: flex; align-items: baseline; gap: 10px; }
  .hero-stats dd { margin: 0; }
  .product-grid, .control-grid { grid-template-columns: 1fr; }
  .card-img { height: 210px; }
  .scene-inner { width: calc(100% - 32px); }
  .scene-float { width: 52%; }
  .cta-band { width: calc(100% - 32px); margin: 72px auto; }
  .cta-inner { padding: 52px 24px; }
  .detail-banner img { border-radius: var(--radius-md); }
  .spec-table div { grid-template-columns: 1fr; gap: 6px; }
  .arch-layer { grid-template-columns: 1fr; gap: 12px; }
  .footer-inner { width: calc(100% - 32px); grid-template-columns: 1fr; gap: 28px; padding: 44px 0 32px; }
  .shot-row img { height: 260px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .ctl, .card-img img, .btn, .scene-float { transition: none; }
}
/* ---------- 商用与招商扩展高定组件 ---------- */

/* 垂直行业方案卡片 */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 32px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 80, 227, 0.3);
  box-shadow: var(--shadow);
}

.solution-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.solution-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.solution-card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution-tags li {
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-secondary);
}

/* 合作步骤 (Process Steps) */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  box-shadow: 0 6px 14px -3px rgba(11, 80, 227, 0.4);
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.step-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* 赋能与支持网格 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.support-card {
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.support-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 80, 227, 0.28);
  box-shadow: var(--shadow);
}

.support-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-border);
  margin-bottom: 16px;
}

.support-icon svg {
  width: 22px;
  height: 22px;
}

.support-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.support-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* 招商合作页重构增强组件样式 */
/* Hero 实景视觉卡与浮动徽章 */
.hero-visual-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 16px 40px -12px rgba(15, 23, 42, 0.1);
  min-height: 380px;
}

.hero-visual-card .hero-visual-img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
  display: block;
}

.floating-stat-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 14px;
  padding: 10px 16px;
  box-shadow: 0 10px 28px -6px rgba(15, 23, 42, 0.14);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  transition: transform 0.3s var(--ease);
}

.floating-stat-pill:hover {
  transform: translateY(-2px);
}

.floating-stat-pill strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.floating-stat-pill span {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-secondary);
  line-height: 1.3;
}

.floating-stat-pill.pill-1 {
  top: 20px;
  left: 20px;
}

.floating-stat-pill.pill-2 {
  top: 20px;
  right: 20px;
}

.floating-stat-pill.pill-3 {
  bottom: 54px;
  left: 20px;
}

.hero-visual-overlay-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 20px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.78) 100%);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.partner-badges-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 6px 24px -8px rgba(15, 23, 42, 0.05);
}

.partner-badge-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.partner-badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  flex-shrink: 0;
}

.partner-badge-icon svg {
  width: 20px;
  height: 20px;
}

.partner-badge-item div {
  display: flex;
  flex-direction: column;
}

.partner-badge-item strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.partner-badge-item span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* 行业破局对比板 */
.shift-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.shift-col {
  padding: 32px 30px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.shift-col.highlight {
  background: linear-gradient(180deg, #f4f8ff 0%, #ffffff 100%);
  border-color: rgba(11, 80, 227, 0.28);
  box-shadow: 0 12px 32px -8px rgba(11, 80, 227, 0.08);
}

.shift-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
  align-self: flex-start;
}

.shift-col:not(.highlight) .shift-tag {
  background: #f1f3f5;
  color: var(--muted);
}

.shift-col.highlight .shift-tag {
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  color: var(--blue);
}

.shift-col h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.shift-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.shift-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

.shift-list li .shift-icon-wrap {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.shift-col:not(.highlight) .shift-icon-wrap {
  background: #fee2e2;
  color: #dc2626;
}

.shift-col.highlight .shift-icon-wrap {
  background: #dcfce7;
  color: #16a34a;
}

.shift-footer {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 600;
}

.shift-col:not(.highlight) .shift-footer {
  color: var(--muted);
}

.shift-col.highlight .shift-footer {
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 实战神器多图与解构展台 */
.toolkit-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.toolkit-visuals-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.toolkit-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.toolkit-item {
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.toolkit-item:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 80, 227, 0.3);
}

.toolkit-item-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.toolkit-idx {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  padding: 2px 7px;
  border-radius: 6px;
}

.toolkit-item h4 {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.toolkit-item p {
  font-size: 13.2px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* 三大精准赛道图文卡 */
.sector-tri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sector-tri-card {
  padding: 0;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.sector-tri-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 80, 227, 0.3);
  box-shadow: var(--shadow);
}

.sector-card-media {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: #e2e8f0;
}

.sector-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}

.sector-tri-card:hover .sector-card-media img {
  transform: scale(1.04);
}

.sector-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sector-card-body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sector-tri-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.sector-card-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 16px;
  flex-grow: 1;
}

.sector-points {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sector-points li {
  font-size: 13px;
  color: var(--ink-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1.5;
}

.sector-points li::before {
  content: "•";
  color: var(--blue);
  font-weight: 800;
  font-size: 15px;
}

/* 标杆工程与渠道案例墙 */
.partner-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 10px;
}

.partner-case-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.partner-case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 80, 227, 0.3);
  box-shadow: var(--shadow);
}

.partner-case-img {
  height: 185px;
  position: relative;
  overflow: hidden;
  background: #e2e8f0;
}

.partner-case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}

.partner-case-card:hover .partner-case-img img {
  transform: scale(1.04);
}

.partner-case-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.partner-case-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.partner-case-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.partner-case-metric {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 8px;
}

.partner-case-body p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* 四大护航承诺 2x2 网格 */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.guarantee-card {
  display: flex;
  gap: 18px;
  padding: 24px 26px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.guarantee-card:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 80, 227, 0.25);
}

.guarantee-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--blue-soft);
  color: var(--blue);
  flex-shrink: 0;
}

.guarantee-icon svg {
  width: 22px;
  height: 22px;
}

.guarantee-content h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.guarantee-content p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* 横向流式时间轴 */
.timeline-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.timeline-step {
  padding: 22px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.timeline-step-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-tint);
  border: 1px solid var(--blue-border);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.timeline-step h4 {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.timeline-step p {
  font-size: 12.8px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}

/* 响应式断点补充 */
@media (max-width: 1020px) {
  .partner-badges-bar { grid-template-columns: repeat(2, 1fr); }
  .shift-board { grid-template-columns: 1fr; }
  .toolkit-layout { grid-template-columns: 1fr; }
  .sector-tri-grid { grid-template-columns: 1fr; }
  .partner-cases-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .timeline-steps { grid-template-columns: repeat(2, 1fr); }
  .solution-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .partner-badges-bar { grid-template-columns: 1fr; }
  .timeline-steps { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .floating-stat-pill.pill-2 { display: none; }
}

/* ---------- 商用页：云平台大屏（深色极客 SaaS 控制台） ---------- */

.dash-section {
  margin-top: 64px;
  padding: 88px 0;
  background:
    radial-gradient(1100px 520px at 50% 0%, rgba(11, 80, 227, 0.22), transparent 70%),
    linear-gradient(180deg, #090c13 0%, #0d121f 100%);
  color: #ffffff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dash-section h2 { color: #ffffff; }

.dash-section .section-sub { color: rgba(255, 255, 255, 0.72); }

.dash {
  border-radius: 24px;
  border: 1px solid rgba(42, 109, 247, 0.35);
  background: rgba(16, 22, 36, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 32px 80px -16px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  padding: 24px 28px 28px;
}

.dash-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13.5px;
}

.dash-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #10b981;
  font-weight: 600;
}

.dash-live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
}

.dash-title { color: #ffffff; font-weight: 700; }

.dash-demo {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.dash-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.kpi {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.kpi p { margin: 0 0 8px; font-size: 13px; color: rgba(255, 255, 255, 0.6); }

.kpi strong { font-size: 30px; font-weight: 700; line-height: 1.1; color: #ffffff; }

.kpi strong small { font-size: 14px; font-weight: 400; color: rgba(255, 255, 255, 0.6); }

.kpi span { display: block; margin-top: 8px; font-size: 12.5px; color: rgba(255, 255, 255, 0.55); }

.kpi .kpi-good { color: #34d399; font-weight: 600; }

.dash-mid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 14px;
  margin-top: 14px;
}

.dash-floors,
.dash-curve {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.dash-sub { margin: 0 0 14px; font-size: 13px; color: rgba(255, 255, 255, 0.7); font-weight: 600; }

.floor {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.floor:last-child { border-bottom: 0; }

.floor-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }

.floor-info strong { font-size: 14.5px; font-weight: 600; color: #ffffff; }

.floor-info span { font-size: 12.5px; color: rgba(255, 255, 255, 0.55); }

.status {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status.ok { background: rgba(16, 185, 129, 0.18); color: #34d399; }

.status.idle { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.6); }

.switch { position: relative; display: inline-block; cursor: pointer; user-select: none; }

.switch input { position: absolute; opacity: 0; pointer-events: none; }

.switch i {
  display: block;
  width: 40px;
  height: 23px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  transition: background 0.25s ease, box-shadow 0.2s ease;
}

.switch i::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s ease;
}

.switch input:checked + i { background: var(--blue); }

.switch input:checked + i::after { transform: translateX(17px); }

.bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 130px;
}

.bars span {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, rgba(11, 80, 227, 0.45), #3b82f6);
}

.bars span:nth-child(n+9):nth-child(-n+18) {
  background: linear-gradient(to top, rgba(16, 185, 129, 0.4), #10b981);
}

.curve-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 商用页：传统 vs 今闪 ---------- */

.vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.vs-col {
  padding: 30px 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}

.vs-col h3 { margin: 0 0 16px; font-size: 18px; font-weight: 600; }

.vs-col ul { margin: 0 0 24px; padding: 0; list-style: none; display: grid; gap: 10px; }

.vs-col li { position: relative; padding-left: 22px; font-size: 14.5px; line-height: 1.6; color: var(--muted); }

.vs-old { border-top: 3px solid var(--red); }

.vs-old li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(230, 52, 42, 0.7);
}

.vs-new { border-top: 3px solid var(--blue); }

.vs-new li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.vs-meter {
  height: 44px;
  border-radius: 12px;
  background: var(--bg);
  overflow: hidden;
}

.vs-meter span {
  display: flex;
  align-items: center;
  height: 100%;
  padding-left: 16px;
  border-radius: 12px;
  background: repeating-linear-gradient(45deg, rgba(230, 52, 42, 0.85), rgba(230, 52, 42, 0.85) 10px, rgba(230, 52, 42, 0.75) 10px, rgba(230, 52, 42, 0.75) 20px);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.vs-meter.new span {
  background: linear-gradient(90deg, var(--blue), var(--blue-deep));
}

.vs-meter em {
  margin-left: 8px;
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
  opacity: 0.75;
}

/* ---------- 商用页：拓扑图 ---------- */

.topo { max-width: 900px; margin: 0 auto; }

.topo-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
  padding: 22px 28px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.topo-row:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 80, 227, 0.25);
  box-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.08);
}

.topo-tier-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.topo-tier {
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-deep);
  letter-spacing: -0.01em;
}

.topo-role {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}

.topo-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topo-nodes span {
  padding: 8px 16px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(11, 80, 227, 0.14);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.topo-nodes span:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

.topo-link {
  position: relative;
  width: 2px;
  height: 38px;
  margin: 0 auto;
  background: repeating-linear-gradient(to bottom, var(--blue) 0 6px, transparent 6px 12px);
  background-size: 2px 12px;
  animation: flow 1.2s linear infinite;
}

.topo-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--blue);
}

@keyframes flow {
  to { background-position: 0 12px; }
}

/* ---------- 商用页：企业级品牌直连兼容矩阵 (深色工业级展板) ---------- */

.brands-section-dark {
  margin-top: 104px;
  padding: 88px 0;
  background:
    radial-gradient(1100px 520px at 50% 0%, rgba(11, 80, 227, 0.2), transparent 70%),
    linear-gradient(180deg, #090c13 0%, #0d121f 100%);
  color: #ffffff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brands-section-dark h2 {
  color: #ffffff;
}

.brands-section-dark .section-sub {
  color: rgba(255, 255, 255, 0.72);
}

.brand-feature-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}

.bf-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(42, 109, 247, 0.14);
  border: 1px solid rgba(42, 109, 247, 0.32);
  border-radius: 999px;
  color: #93c5fd;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.brand-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.brand-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 22px 18px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  text-align: center;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
  position: relative;
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.4);
}

.brand-tile:hover {
  transform: translateY(-3px);
  background: rgba(42, 109, 247, 0.1);
  border-color: rgba(42, 109, 247, 0.5);
  box-shadow: 0 14px 32px -4px rgba(11, 80, 227, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.brand-tile-en {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  margin-bottom: 5px;
}

.brand-tile-zh {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.brand-tile-tag {
  margin-top: 10px;
  padding: 3px 9px;
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #34d399;
}

/* ---------- 商用页：极简四大垂直行业 (4联紧凑卡片) ---------- */

.sector-compact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.sector-compact-card {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.sector-compact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 80, 227, 0.28);
  box-shadow: 0 12px 32px -8px rgba(15, 23, 42, 0.08);
}

.sector-compact-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.sector-compact-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}

.sector-compact-card:hover .sector-compact-thumb img {
  transform: scale(1.04);
}

.sector-compact-thumb .sector-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
}

.sector-compact-body {
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.sector-compact-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sector-compact-head h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.sector-compact-stat {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
}

.sector-mini-flow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.sector-mini-flow span:not(.flow-arrow) {
  background: #f8fafc;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-secondary);
}

.sector-mini-flow .flow-arrow {
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 1020px) {
  .sector-compact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .sector-compact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .brand-matrix-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .brand-tile { padding: 14px 10px; }
  .brand-tile-zh { font-size: 16px; }
  .brand-feature-pills { flex-direction: column; align-items: stretch; }
  .bf-pill { justify-content: center; }
}

.brand-wall { justify-content: center; gap: 12px; }

.brand-wall li { padding: 10px 20px; font-size: 15px; }

.flow-caps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.flow-caps span {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 600;
}

.flow-caps i { font-style: normal; color: var(--muted); }

/* ---------- 响应式补充 ---------- */

@media (max-width: 1020px) {
  .dash-kpis { grid-template-columns: repeat(2, 1fr); }
  .dash-mid { grid-template-columns: 1fr; }
  .vs { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .dash { padding: 16px; }
  .dash-kpis { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi { padding: 14px; }
  .kpi strong { font-size: 22px; }
  .topo-row { grid-template-columns: 1fr; gap: 12px; }
  .dash-section { padding: 72px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .dash-live i { animation: none; }
  .topo-link { animation: none; }
}

/* biz-stats 卡片内文字不挤压 */

.biz-stats div { display: grid; grid-template-columns: auto 1fr; align-items: baseline; }

.biz-stats dd { min-width: 0; line-height: 1.45; }

/* ---------- 商用页：云平台在线 Demo 体验条 ---------- */

.dash-demo-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  padding: 16px 22px;
  border-radius: 16px;
  background: rgba(42, 109, 247, 0.12);
  border: 1px solid rgba(42, 109, 247, 0.32);
}

.dash-demo-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.9);
}

.dash-demo-meta strong {
  color: #93c5fd;
  font-weight: 700;
}

.dash-demo-meta code {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  color: #60a5fa;
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.btn-demo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn-demo-link:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(11, 80, 227, 0.4);
  color: #ffffff;
}

/* ---------- 商用页：三大效益卡片 ---------- */

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.benefit-card {
  padding: 26px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.benefit-card:hover {
  transform: translateY(-2px);
  border-color: rgba(28, 86, 232, 0.25);
  box-shadow: var(--shadow);
}

.benefit-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.benefit-badge.eco { background: rgba(52, 211, 153, 0.12); color: #059669; }
.benefit-badge.ops { background: var(--blue-soft); color: var(--blue-deep); }
.benefit-badge.soc { background: rgba(245, 158, 11, 0.12); color: #b45309; }

.benefit-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.benefit-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 商用页：国家级标杆案例库 ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.case-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.case-card:hover {
  transform: translateY(-3px);
  border-color: rgba(28, 86, 232, 0.25);
  box-shadow: var(--shadow);
}

.case-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: 14px;
}

.case-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.case-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  flex-grow: 1;
}

/* ---------- 商用页：软硬件一体协同展台 (左图实物 + 右系统拓扑) ---------- */

.hw-topo-combined {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 36px;
  align-items: stretch;
}

.hw-topo-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hw-visual {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: #0d131f;
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow);
  display: flex;
  flex-direction: column;
}

.hw-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 280px;
}

.hw-visual-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(13, 19, 31, 0.94) 0%, rgba(13, 19, 31, 0.45) 75%, transparent 100%);
  color: #fff;
}

.hw-visual-caption strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.hw-visual-caption span {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.hw-core-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.hw-feat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.hw-feat-item:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 80, 227, 0.25);
}

.hw-feat-icon {
  font-size: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue);
  flex-shrink: 0;
}

.hw-feat-item strong {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}

.hw-feat-item span:not(.hw-feat-icon) {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 1px;
}

.hw-topo-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.topo-flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.topo-flow-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.topo-flow-row:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 80, 227, 0.25);
  box-shadow: 0 10px 24px -6px rgba(15, 23, 42, 0.06);
}

.t-badge-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.t-badge-tag {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--blue-deep);
}

.t-badge-desc {
  font-size: 11px;
  color: var(--muted);
}

.t-node-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.t-node-caps span {
  padding: 6px 12px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid rgba(11, 80, 227, 0.14);
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.03);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  transition: border-color 0.2s, color 0.2s;
}

.t-node-caps span:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.topo-flow-link {
  position: relative;
  width: 2px;
  height: 16px;
  margin: 0 auto;
  background: repeating-linear-gradient(to bottom, var(--blue) 0 4px, transparent 4px 8px);
  background-size: 2px 8px;
  animation: flow 1s linear infinite;
}

.topo-flow-link::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--blue);
}

@media (max-width: 1020px) {
  .hw-topo-combined { grid-template-columns: 1fr; gap: 28px; }
  .topo-flow-row { grid-template-columns: 1fr; gap: 8px; }
}

.hw-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}

.hw-card {
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
}

.hw-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.hw-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 12px;
}

.hw-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.hw-table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

.hw-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}

.hw-table th {
  padding: 14px 20px;
  background: var(--bg);
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.hw-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-light);
  color: var(--muted);
}

.hw-table tr:last-child td {
  border-bottom: 0;
}

.hw-table td:first-child {
  font-weight: 600;
  color: var(--ink);
}

.hw-table code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-secondary);
}

/* ---------- 商用页：精炼 3 大硬指标 ---------- */

.impact-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.impact-card {
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.impact-val {
  font-size: clamp(26px, 2.8vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
  line-height: 1.1;
}

.impact-label {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 6px;
}

.impact-sub {
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 商用页：4 大旗舰超级地标大卡 ---------- */

.flagship-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.flagship-case-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.flagship-case-card:hover {
  transform: translateY(-3px);
  border-color: rgba(28, 86, 232, 0.3);
  box-shadow: var(--shadow);
}

.flagship-case-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0d131f;
  overflow: hidden;
}

.flagship-case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}

.flagship-case-card:hover .flagship-case-thumb img {
  transform: scale(1.03);
}

.flagship-case-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
}

.flagship-case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.flagship-case-top h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.flagship-case-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.flagship-case-desc {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* 更多地标轻量横向信任栏 */
.secondary-cases-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 20px;
  padding: 14px 20px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 13.5px;
}

.secondary-cases-title {
  font-weight: 600;
  color: var(--ink-secondary);
}

.secondary-case-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-weight: 500;
}

.secondary-case-item span {
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- 商用页：精炼 8 大地标微徽章卡 ---------- */

.case-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.case-strip-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 22px;
  min-height: 110px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.case-strip-card:hover {
  transform: translateY(-2px);
  border-color: rgba(28, 86, 232, 0.3);
  box-shadow: var(--shadow);
}

.case-strip-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.case-strip-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--blue);
  margin-top: 10px;
}

/* ---------- 商用页：硬件规格卡片细化 ---------- */

.hw-card-spec {
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 var(--line-highlight), var(--shadow-sm);
}

.hw-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.hw-card-head .hw-tag {
  margin-bottom: 0;
}

.hw-badges {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.hw-badges span {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--blue-soft);
  border: 1px solid var(--blue-border);
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: 0.02em;
}

.hw-card-spec h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.hw-spec-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--muted);
}

.hw-spec-list li strong {
  color: var(--ink-secondary);
}

/* ---------- 响应式断点补充 ---------- */

@media (max-width: 1020px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .impact-metrics { grid-template-columns: 1fr; }
  .flagship-case-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .case-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .hw-grid { grid-template-columns: repeat(2, 1fr); }
  .hw-showcase { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-strip-grid { grid-template-columns: 1fr; }
  .hw-grid { grid-template-columns: 1fr; }
  .hw-cards-col { grid-template-columns: 1fr; }
  .dash-demo-box { flex-direction: column; align-items: flex-start; }
}