/* ==========================================================================
   启明科技 · 企业官网样式表
   风格：科技简约（浅色底 + 品牌蓝）
   纯手写 CSS，无任何外部依赖 / CDN，便于国内备案与 CDN 加速
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 品牌色 —— 取自「钧之兮」注册商标（深藏蓝 + 亮蓝） */
  --brand: #12206E;
  --brand-dark: #0A1550;
  --brand-light: #00B0FF;
  --brand-soft: #EEF3FF;
  --brand-line: #C6D5F5;

  /* 中性色 */
  --ink: #0F172A;
  --ink-2: #1E293B;
  --muted: #64748B;
  --muted-2: #94A3B8;
  --line: #E2E8F0;
  --line-soft: #F1F5F9;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;
  --bg-deep: #05103A;

  /* 语义色 */
  --success: #10B981;
  --warning: #F59E0B;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 26px;

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(15, 23, 42, .05);
  --sh-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --sh-md: 0 8px 24px -6px rgba(15, 23, 42, .10), 0 2px 6px rgba(15, 23, 42, .04);
  --sh-lg: 0 24px 60px -18px rgba(15, 23, 42, .18), 0 8px 20px -8px rgba(15, 23, 42, .08);
  --sh-brand: 0 12px 28px -10px rgba(18, 32, 110, .45);

  /* 布局 */
  --container: 1180px;
  --header-h: 72px;

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .28s;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ---------- 2. 重置与基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(32px, 4.6vw, 54px); }
h2 { font-size: clamp(26px, 3.2vw, 38px); }
h3 { font-size: clamp(19px, 2vw, 23px); }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--brand);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
a:hover { color: var(--brand-dark); }

img, svg { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head--left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand-dark);
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: 999px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.section-head p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--muted);
}

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* 联系页双栏布局 */
/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur) var(--ease);
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primary {
  color: #fff;
  background: var(--brand);
  box-shadow: var(--sh-brand);
}
.btn--primary:hover {
  color: #fff;
  background: var(--brand-dark);
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  box-shadow: var(--sh-xs);
}
.btn--ghost:hover {
  color: var(--brand-dark);
  border-color: var(--brand-line);
  background: var(--brand-soft);
  transform: translateY(-2px);
}

.btn--light {
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .28);
}
.btn--light:hover { color: #fff; background: rgba(255, 255, 255, .2); }

.btn--block { width: 100%; }
.btn--lg { padding: 16px 34px; font-size: 16px; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 文字链接箭头 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 15px;
}
.link-arrow svg {
  width: 16px; height: 16px;
  transition: transform var(--dur) var(--ease);
}
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(15, 23, 42, .05);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.02em;
  flex: none;
}
.brand:hover { color: var(--ink); }
.brand__mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  color: #fff;
  font-size: 17px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-light), var(--brand-dark));
  box-shadow: 0 6px 14px -6px rgba(18, 32, 110, .8);
}
.brand__sub {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* 注册商标 logo（页头 / 页脚） */
.brand__logo {
  display: block;
  height: 42px;
  width: auto;
  max-width: 100%;
}
.site-footer .brand__logo { height: 38px; }

/* 注册商标标记 ®（页头 / 页脚 logo 右上角） */
.brand__reg {
  align-self: flex-start;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1;
  font-weight: 500;
  color: var(--muted-2);
}
.site-footer .brand__reg { margin-top: 2px; font-size: 11px; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  display: block;
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;   /* 7 个栏目后防止长栏目名折行 */
  color: var(--ink-2);
  border-radius: var(--r-sm);
  transition: all var(--dur) var(--ease);
}
.nav__link:hover { color: var(--brand-dark); background: var(--brand-soft); }
.nav__link.is-active { color: var(--brand-dark); background: var(--brand-soft); }

.nav__actions { display: flex; align-items: center; gap: 12px; flex: none; }

/* 菜单内的 CTA 仅在移动端抽屉中显示，桌面端由 .nav__actions 承担 */
.nav__menu .btn { display: none; }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  padding: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  place-items: center;
}
.nav__toggle span {
  position: relative;
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: background var(--dur) var(--ease);
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform var(--dur) var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav-open .nav__toggle span { background: transparent; }
.nav-open .nav__toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav__toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 6. 首屏 Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 88px) 0 96px;
  overflow: hidden;
  background: var(--bg);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 380px at 12% 0%, rgba(18, 32, 110, .13), transparent 62%),
    radial-gradient(560px 360px at 92% 12%, rgba(0, 176, 255, .12), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 62% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 62% at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero__layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.hero__title { margin-bottom: 24px; }
.hero__title em {
  font-style: normal;
  color: var(--brand);
  position: relative;
  display: inline-block;
}
.hero__title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 10px;
  background: rgba(18, 32, 110, .14);
  border-radius: 3px;
  z-index: -1;
}
.hero__desc {
  max-width: 540px;
  margin-bottom: 34px;
  font-size: 17px;
  color: var(--muted);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.hero__trust li { display: flex; align-items: center; gap: 8px; }
.hero__trust svg { width: 17px; height: 17px; color: var(--brand); flex: none; }

/* 首屏右侧：纯 CSS 数据面板 */
.hero__visual { position: relative; }
.mock {
  position: relative;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
}
.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}
.mock__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.mock__dot:first-child { background: #FCA5A5; }
.mock__dot:nth-child(2) { background: #FCD34D; }
.mock__dot:nth-child(3) { background: #6EE7B7; }
.mock__label {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-2);
}

.mock__kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.mock__kpi {
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}
.mock__kpi b {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.mock__kpi span { font-size: 12px; color: var(--muted); }

.mock__chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 132px;
  padding: 14px 14px 0;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}
.mock__chart i {
  flex: 1;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, var(--brand-light), rgba(18, 32, 110, .35));
  transform-origin: bottom;
  animation: bar-rise .9s var(--ease) backwards;
}
.mock__chart i:nth-child(1) { height: 42%; animation-delay: .05s; }
.mock__chart i:nth-child(2) { height: 64%; animation-delay: .12s; }
.mock__chart i:nth-child(3) { height: 50%; animation-delay: .19s; }
.mock__chart i:nth-child(4) { height: 82%; animation-delay: .26s; }
.mock__chart i:nth-child(5) { height: 68%; animation-delay: .33s; }
.mock__chart i:nth-child(6) { height: 94%; animation-delay: .40s; }

.mock__rows {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}
.mock__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted);
}
.mock__row b { color: var(--ink-2); font-weight: 600; }
.mock__row .fill {
  flex: 1;
  height: 6px;
  border-radius: 99px;
  background: var(--line-soft);
  overflow: hidden;
}
.mock__row .fill i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
}
.mock__row .fill i { width: 0; animation: fill-grow 1.1s var(--ease) .3s forwards; }
.mock__row:nth-child(1) .fill i { --w: 88%; }
.mock__row:nth-child(2) .fill i { --w: 72%; }
.mock__row:nth-child(3) .fill i { --w: 61%; }

@keyframes bar-rise { from { transform: scaleY(0); opacity: 0; } to { transform: scaleY(1); opacity: 1; } }
@keyframes fill-grow { from { width: 0; } to { width: var(--w, 50%); } }

.mock__badge {
  position: absolute;
  right: -18px;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  font-size: 13px;
}
.mock__badge svg { width: 20px; height: 20px; color: var(--success); }
.mock__badge b { display: block; font-size: 14px; color: var(--ink); }
.mock__badge span { font-size: 11.5px; color: var(--muted); }

/* ---------- 7. 客户标识条 ---------- */
.logos {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.logos__label {
  margin-bottom: 22px;
  text-align: center;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted-2);
}
.logos__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px 48px;
}
.logos__item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted-2);
  filter: grayscale(1);
  opacity: .75;
  transition: all var(--dur) var(--ease);
}
.logos__item:hover { filter: none; opacity: 1; color: var(--ink-2); }
.logos__item svg { width: 20px; height: 20px; }

/* ---------- 8. 通用卡片 ---------- */
.card {
  position: relative;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-line);
  box-shadow: var(--sh-md);
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 15px; color: var(--muted); }

.card__icon {
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  margin-bottom: 22px;
  color: var(--brand);
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-md);
}
.card__icon svg { width: 24px; height: 24px; }

.card__num {
  position: absolute;
  top: 24px; right: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted-2);
}

/* 服务卡 */
.card--service { display: flex; flex-direction: column; }
.card--service ul {
  display: grid;
  gap: 9px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.card--service li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 14.5px;
  color: var(--ink-2);
}
.card--service li svg {
  width: 17px; height: 17px;
  margin-top: 4px;
  color: var(--brand);
  flex: none;
}

/* ---------- 9. 数据统计 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.stats__item {
  padding: 34px 26px;
  text-align: center;
  background: #fff;
}
.stats__num {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 700;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}
.stats__num sup { font-size: .5em; color: var(--brand-light); }
.stats__label {
  margin-top: 6px;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 10. 合作企业（logo 墙） ---------- */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.logo-wall__item {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  min-height: 118px;
  padding: 22px 16px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.logo-wall__item:hover {
  transform: translateY(-4px);
  border-color: var(--brand-line);
  box-shadow: var(--sh-md);
}
.logo-wall__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.logo-wall__cat {
  padding: 3px 11px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}
/* 首页紧凑版：6 列，磁贴更矮 */
.logo-wall--compact { grid-template-columns: repeat(6, 1fr); gap: 14px; }
.logo-wall--compact .logo-wall__item { min-height: 96px; padding: 18px 12px; }
.logo-wall--compact .logo-wall__name { font-size: 15.5px; }
.logo-wall--compact .logo-wall__cat { padding: 2px 9px; font-size: 12px; }

/* ---------- 11. 新闻列表 ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 44px;
}
.filters button {
  padding: 9px 20px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.filters button:hover { color: var(--brand-dark); border-color: var(--brand-line); }
.filters button.is-active {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: var(--sh-brand);
}

.post {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.post:first-child { border-top: 1px solid var(--line); }
.post:hover { background: var(--bg-soft); }
.post__date {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.post__date b {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.post__date span { font-size: 13px; color: var(--muted-2); }
.post__body h3 { margin-bottom: 8px; font-size: 19px; }
.post__body h3 a { color: var(--ink); }
.post__body h3 a:hover { color: var(--brand); }
.post__body p { font-size: 14.5px; color: var(--muted); }
.post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--muted-2);
}
.post__meta em { font-style: normal; color: var(--brand); }

/* 头条新闻 */
.post--feature {
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
}
.post--feature:hover { background: #fff; box-shadow: var(--sh-md); transform: translateY(-4px); }
.post--feature .post__media {
  position: relative;
  min-height: 260px;
  background:
    radial-gradient(360px 220px at 30% 20%, rgba(18, 32, 110, .5), transparent 62%),
    linear-gradient(135deg, #16255C, #05103A);
}
.post--feature .post__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 32px 32px;
}
.post--feature .post__text { padding: 38px; display: flex; flex-direction: column; justify-content: center; }
.post--feature .post__text h3 { font-size: clamp(21px, 2.2vw, 26px); margin-bottom: 14px; }
.post--feature .post__text h3 a { color: var(--ink); }
.post--feature .post__text h3 a:hover { color: var(--brand); }
.post--feature .post__text p { font-size: 15.5px; color: var(--muted); }
.post--feature .post__meta { margin-top: 20px; }

/* ---------- 12. CTA 区块 ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 76px 0;
  color: #fff;
  background: var(--bg-deep);
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 340px at 15% 0%, rgba(18, 32, 110, .45), transparent 62%),
    radial-gradient(600px 320px at 88% 100%, rgba(0, 176, 255, .3), transparent 60%);
  pointer-events: none;
}
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000, transparent 80%);
  pointer-events: none;
}
.cta > .container { position: relative; z-index: 1; }
.cta__layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.cta h2 { color: #fff; margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, .74); font-size: 16.5px; max-width: 560px; }
.cta .btn-row { flex: none; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  padding: 68px 0 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer__about p {
  margin: 18px 0 22px;
  font-size: 14.5px;
  color: var(--muted);
  max-width: 320px;
}
.footer__title {
  margin-bottom: 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.footer__list { display: grid; gap: 11px; }
.footer__list a,
.footer__list li {
  font-size: 14.5px;
  color: var(--muted);
}
.footer__list a:hover { color: var(--brand); }
.footer__contact { display: grid; gap: 14px; }
.footer__contact li {
  display: flex;
  gap: 11px;
  font-size: 14.5px;
  color: var(--muted);
}
.footer__contact svg { width: 17px; height: 17px; color: var(--brand); flex: none; margin-top: 4px; }
.footer__contact b { color: var(--ink-2); font-weight: 600; }
.footer__contact a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(37,99,235,.35); transition: color .18s, border-color .18s; }
.footer__contact a:hover { color: var(--brand); border-bottom-color: var(--brand); }
.footer__contact span { display: block; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--muted-2);
}
.footer__bottom a { color: var(--muted-2); }
.footer__bottom a:hover { color: var(--brand); }
.footer__legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer__legal span { display: inline-flex; align-items: center; gap: 6px; }
.footer__legal svg { width: 15px; height: 15px; }
.footer__legal a { display: inline-flex; align-items: center; gap: 5px; }
.footer__police-icon { display: block; width: 18px; height: 18px; flex: none; }

/* ---------- 14. 页面头（内页） ---------- */
.page-head {
  position: relative;
  padding: calc(var(--header-h) + 76px) 0 76px;
  overflow: hidden;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(620px 320px at 10% 0%, rgba(18, 32, 110, .14), transparent 62%),
    radial-gradient(500px 300px at 95% 30%, rgba(0, 176, 255, .1), transparent 60%);
  pointer-events: none;
}
.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, .04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, .04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 90% at 40% 0%, #000, transparent 82%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 40% 0%, #000, transparent 82%);
  pointer-events: none;
}
.page-head > .container { position: relative; z-index: 1; }
.page-head h1 { margin-bottom: 18px; }
.page-head p {
  max-width: 640px;
  font-size: 17px;
  color: var(--muted);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13.5px;
  color: var(--muted-2);
}
.breadcrumb span { color: var(--line); }
.breadcrumb b { color: var(--ink-2); font-weight: 500; }

/* ---------- 15. 时间轴 ---------- */
.timeline {
  position: relative;
  display: grid;
  gap: 0;
  padding-left: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 8px; bottom: 8px; left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand), var(--brand-line), transparent);
}
.timeline li { position: relative; padding: 0 0 38px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  top: 7px; left: -34px;
  width: 16px; height: 16px;
  background: #fff;
  border: 2px solid var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(18, 32, 110, .12);
}
.timeline b {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}
.timeline h4 { margin-bottom: 6px; }
.timeline p { font-size: 14.5px; color: var(--muted); }

/* ---------- 16. 团队 ---------- */
.team-card {
  padding: 28px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: all var(--dur) var(--ease);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: var(--brand-line); }
.team-card__avatar {
  display: grid;
  place-items: center;
  width: 76px; height: 76px;
  margin: 0 auto 18px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-light), var(--brand-dark));
}
.team-card h4 { margin-bottom: 4px; }
.team-card em {
  display: block;
  margin-bottom: 12px;
  font-style: normal;
  font-size: 13.5px;
  color: var(--brand);
}
.team-card p { font-size: 14px; color: var(--muted); }

/* ---------- 16.5 交付流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: all var(--dur) var(--ease);
}
.step:hover { border-color: var(--brand-line); box-shadow: var(--sh-md); transform: translateY(-4px); }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
}
.step::after {
  content: "";
  position: absolute;
  top: 50%; right: -20px;
  width: 20px;
  height: 1px;
  background: var(--line);
}
.step:last-child::after { display: none; }
.step h4 { margin-bottom: 8px; font-size: 16px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- 16.6 常见问题 ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.faq details[open] { border-color: var(--brand-line); box-shadow: var(--sh-sm); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 10px; height: 10px;
  border-right: 2px solid var(--muted-2);
  border-bottom: 2px solid var(--muted-2);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur) var(--ease);
}
.faq details[open] summary::after {
  transform: rotate(225deg) translate(-4px, -4px);
  border-color: var(--brand);
}
.faq summary:hover { color: var(--brand-dark); }
.faq .faq__body {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

/* ---------- 16.7 交替图文 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split + .split { margin-top: 80px; }
.split--reverse .split__visual { order: 2; }
.split h3 { margin-bottom: 16px; }
.split p { font-size: 16px; color: var(--muted); }
.split__list { display: grid; gap: 14px; margin: 26px 0 0; }
.split__list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-2);
}
.split__list svg {
  width: 20px; height: 20px;
  margin-top: 3px;
  color: var(--brand);
  flex: none;
}
.split__visual {
  position: relative;
  padding: 30px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.split__visual--dark {
  color: #fff;
  border-color: transparent;
  background:
    radial-gradient(420px 260px at 25% 10%, rgba(18, 32, 110, .55), transparent 62%),
    linear-gradient(135deg, #16255C, #05103A);
}
.split__visual--dark::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.split__visual--dark > * { position: relative; z-index: 1; }
.split__visual h4 { margin-bottom: 20px; font-size: 15px; letter-spacing: .04em; opacity: .8; }

/* 迷你指标块 */
.mini { display: grid; gap: 14px; }
.mini__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  font-size: 14.5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}
.split__visual--dark .mini__row {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .88);
}
.mini__row b { color: var(--brand); font-variant-numeric: tabular-nums; }
.split__visual--dark .mini__row b { color: #7DD3FC; }

/* ---------- 17. 信息块 / 联系卡 ---------- */
.info-list { display: grid; gap: 16px; }
.info-item {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: all var(--dur) var(--ease);
}
.info-item:hover { border-color: var(--brand-line); box-shadow: var(--sh-sm); }
.info-item__icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  flex: none;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: var(--r-sm);
}
.info-item__icon svg { width: 21px; height: 21px; }
.info-item h4 { margin-bottom: 5px; font-size: 15.5px; }
.info-item p { font-size: 14.5px; color: var(--muted); }

/* 地图占位 */
.map-placeholder {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  border-radius: var(--r-lg);
  background:
    radial-gradient(500px 280px at 25% 20%, rgba(18, 32, 110, .5), transparent 62%),
    linear-gradient(135deg, #16255C, #05103A);
}
.map-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map-placeholder > div { position: relative; z-index: 1; padding: 32px; }
.map-placeholder svg { width: 34px; height: 34px; margin: 0 auto 14px; opacity: .85; }
.map-placeholder b { display: block; font-size: 17px; margin-bottom: 6px; }
.map-placeholder span { font-size: 13.5px; color: rgba(255, 255, 255, .65); }

/* ---------- 18. 富文本 / 详情 ---------- */
.prose { max-width: 780px; }
.prose h2 { margin: 48px 0 18px; font-size: 26px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 34px 0 14px; font-size: 20px; }
.prose p { font-size: 16px; color: var(--muted); }
.prose ul { display: grid; gap: 10px; margin: 18px 0; }
.prose ul li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  color: var(--muted);
}
.prose ul li::before {
  content: "";
  position: absolute;
  top: 11px; left: 4px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
}
.prose blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  font-size: 16px;
  color: var(--ink-2);
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.prose a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--brand-dark); }
.prose strong { color: var(--ink-1); font-weight: 600; }

/* 政策类页面的版本行 */
.legal-meta {
  font-size: 14px;
  color: var(--muted-2);
  font-variant-numeric: tabular-nums;
}

/* 富文本中的表格（信息收集清单等） */
.prose table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  font-size: 15px;
}
.prose thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-1);
  background: var(--brand-soft);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.prose tbody td {
  padding: 12px 14px;
  color: var(--muted);
  vertical-align: top;
  border: 1px solid var(--line);
}
.prose tbody tr:nth-child(even) td { background: #FAFBFC; }

/* ---------- 19. 动效与工具类 ---------- */
/* 默认可见；仅当 JS 可用（html.js）时才启用入场动画，避免脚本失效导致内容不可见 */
.reveal {
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--delay, 0s);
}
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  will-change: opacity, transform;
}
.js .reveal.is-in { opacity: 1; transform: none; }

.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: var(--sh-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--dur) var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--brand); border-color: var(--brand-line); }
.to-top svg { width: 19px; height: 19px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 20. 响应式 ---------- */
@media (max-width: 1120px) {
  /* 中等宽度下收起次要按钮与部分导航留白，避免 7 个导航项换行溢出 */
  .nav__actions .btn--ghost { display: none; }
  .nav__link { padding: 9px 11px; font-size: 14.5px; }
  .brand { font-size: 17.5px; }
}

@media (max-width: 1080px) {
  .hero__layout { grid-template-columns: 1fr; gap: 52px; }
  .hero__desc { max-width: none; }
  .mock__badge { right: 16px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .logo-wall--compact { grid-template-columns: repeat(4, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .cta__layout { flex-direction: column; align-items: flex-start; gap: 32px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step::after { display: none; }
  .split { gap: 44px; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .post--feature { grid-template-columns: 1fr; }
  .post--feature .post__media { min-height: 180px; }
  .post--feature .post__text { padding: 28px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split + .split { margin-top: 56px; }
  .split--reverse .split__visual { order: 0; }
}

@media (max-width: 820px) {
  :root { --header-h: 64px; }

  .section { padding: 68px 0; }
  .section--tight { padding: 52px 0; }

  .nav__toggle { display: grid; }

  .nav__menu {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 99;
    padding: 24px;
    background: #fff;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--dur) var(--ease);
  }
  .nav-open .nav__menu { opacity: 1; visibility: visible; transform: none; }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav__link {
    padding: 15px 16px;
    font-size: 16.5px;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
  }
  .brand__logo { height: 36px; }
  .site-footer .brand__logo { height: 34px; }
  .nav__menu .btn {
    display: inline-flex;
    margin-top: 22px;
    width: 100%;
  }

  .nav__actions .btn { display: none; }

  .hero { padding: calc(var(--header-h) + 56px) 0 68px; }
  .hero__trust { gap: 12px 20px; }

  .page-head { padding: calc(var(--header-h) + 48px) 0 52px; }

  .post { grid-template-columns: 1fr; gap: 14px; }
  .post__date { flex-direction: row; align-items: baseline; gap: 8px; }
  .post__date b { font-size: 22px; }


  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .logo-wall--compact { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .faq summary { padding: 17px 18px; font-size: 15px; }
  .faq .faq__body { padding-left: 18px; padding-right: 18px; }
  .split__visual { padding: 22px; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  .card { padding: 24px; }
  .to-top { right: 16px; bottom: 16px; }

  /* 政策表格窄屏转为卡片式堆叠，避免横向溢出 */
  .prose table { font-size: 14.5px; }
  .prose thead { display: none; }
  .prose tbody tr {
    display: block;
    margin-bottom: 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    overflow: hidden;
  }
  .prose tbody td {
    display: block;
    padding: 10px 14px;
    border: 0;
    border-bottom: 1px solid var(--line-soft);
  }
  .prose tbody td:last-child { border-bottom: 0; }
  .prose tbody td:first-child {
    font-weight: 600;
    color: var(--ink-1);
    background: var(--brand-soft);
  }
  .prose tbody tr:nth-child(even) td { background: transparent; }
  .prose tbody tr:nth-child(even) td:first-child { background: var(--brand-soft); }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .mock__kpis { grid-template-columns: 1fr; }
  .mock__badge { position: static; margin-top: 16px; right: auto; bottom: auto; }
  .btn-row .btn { width: 100%; }
  .logos__list { gap: 14px 28px; }
}

/* ---------- 21. 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- 22. 打印 ---------- */
@media print {
  .site-header, .to-top, .cta { display: none; }
  body { color: #000; }
  .reveal { opacity: 1; transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}