/* =============================================================
   搜谷网络 · 云见GEO 官网样式
   风格：科技深色 + 蓝色光效；纯静态 / 零依赖 / 响应式
   换色只需改 :root 中的色板变量
   ============================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 品牌色（取自 LOGO 主蓝，整体调亮） */
  --brand: #1E7BE6;
  --brand-600: #1257B4;
  --brand-400: #5FA6F2;
  --brand-200: #C6DEFB;
  --brand-050: #EFF5FF;
  --accent: #16B7F0;
  --accent-2: #1FC7A5;
  --violet: #6E6BF2;

  /* 品牌蓝主面板（原深色区改为明亮中蓝，避免大面积过深） */
  --panel-1: #1A5FC6;
  --panel-2: #2A7EE0;
  --panel-3: #34A2EC;

  /* 标题与深色文字 */
  --ink: #10243D;
  --ink-800: #1B3A5E;
  --ink-700: #24527F;

  /* 浅色区 */
  --bg: #FFFFFF;
  --bg-soft: #F3F8FF;
  --bg-soft-2: #E8F1FD;
  --text: #17324F;
  --muted: #5A7490;
  --line: #DEE9F6;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 20px;
  --radius-xl: 28px;

  --shadow-s: 0 2px 10px rgba(18, 60, 110, .06);
  --shadow: 0 14px 38px rgba(18, 60, 110, .10);
  --shadow-l: 0 26px 60px rgba(18, 60, 110, .16);
  --glow: 0 10px 32px rgba(22, 183, 240, .34);

  --container: 1200px;
  --header-h: 76px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
          "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ---------- 2. 基础 ---------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

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

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-600); }

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--ink);
}
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.4rem); }
h3 { font-size: 1.18rem; }
p  { margin: 0 0 1em; }

::selection { background: rgba(22, 183, 240, .3); }

:focus-visible {
  outline: 3px solid rgba(30, 123, 230, .55);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.section { padding: 96px 0; }
.section--tight { padding: 66px 0; }
.section--soft { background: var(--bg-soft); }

.section-head { max-width: 780px; margin: 0 0 54px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 15px;
  border-radius: 999px;
  background: rgba(30, 123, 230, .08);
  border: 1px solid rgba(30, 123, 230, .18);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--brand-600);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(22, 183, 240, .2);
}

.lead { font-size: 1.06rem; color: var(--muted); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 4. 品牌蓝面板通用（原深色区，已调亮） ---------- */
.dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(880px 440px at 10% 0%, rgba(255, 255, 255, .20), transparent 60%),
    radial-gradient(720px 400px at 90% 10%, rgba(22, 183, 240, .38), transparent 62%),
    linear-gradient(160deg, var(--panel-1) 0%, var(--panel-2) 50%, var(--panel-3) 100%);
  color: #E6F1FF;
}
.dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at 50% 26%, #000 22%, transparent 76%);
  pointer-events: none;
}
.dark .container { position: relative; z-index: 2; }
.dark h1, .dark h2, .dark h3, .dark h4 { color: #fff; }
.dark p { color: #CFE4FB; }
.dark .lead { color: #D4E7FC; }
.dark .eyebrow {
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .38);
  color: #fff;
}
.dark .eyebrow::before { background: #fff; box-shadow: 0 0 0 3px rgba(255, 255, 255, .3); }

.grad-text {
  background: linear-gradient(100deg, #FFFFFF 0%, #B6F0FF 52%, #FFFFFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.grad-text--blue {
  background: linear-gradient(100deg, var(--brand) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .25s ease,
              background-color .22s ease, color .22s ease, border-color .22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(100deg, var(--brand) 0%, #2E93EC 60%, var(--accent) 130%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(30, 123, 230, .32);
}
.btn--primary:hover { color: #fff; box-shadow: 0 14px 32px rgba(22, 183, 240, .42); }

.btn--glow {
  background: #fff;
  color: var(--brand-600);
  box-shadow: 0 12px 30px rgba(3, 30, 66, .22);
}
.btn--glow:hover { color: var(--brand-600); box-shadow: 0 16px 38px rgba(3, 30, 66, .3); }

.btn--ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

.btn--outline-light {
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border-color: rgba(255, 255, 255, .5);
  backdrop-filter: blur(8px);
}
.btn--outline-light:hover { background: rgba(255, 255, 255, .26); color: #fff; }

.btn--sm { padding: 10px 20px; font-size: .87rem; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: .9rem;
}
.text-link::after { content: "\2192"; transition: transform .22s ease; }
.text-link:hover::after { transform: translateX(4px); }

/* ---------- 6. 页头 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(16, 36, 61, .07);
  transition: background-color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, .97);
  border-bottom-color: rgba(30, 123, 230, .16);
  box-shadow: 0 8px 26px rgba(18, 60, 110, .09);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
}
.brand__mark {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 11px;
  background: #fff url("../img/logo-mark.jpg") center/78% no-repeat;
  box-shadow: 0 4px 14px rgba(30, 123, 230, .22);
  border: 1px solid var(--line);
}
.brand__name {
  display: block;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--ink);
  line-height: 1.2;
}
.brand__sub {
  display: block;
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: #8AA2BB;
  text-transform: uppercase;
  line-height: 1.2;
}
/* 页头副标题含中文品牌名「云见GEO」，放宽字距更易读 */
.site-header .brand__sub {
  font-size: .68rem;
  letter-spacing: .06em;
  font-weight: 700;
  color: var(--brand-600);
}

.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a {
  position: relative;
  padding: 10px 15px;
  border-radius: 10px;
  font-size: .93rem;
  font-weight: 600;
  color: #33506E;
  transition: color .2s ease, background-color .2s ease;
}
.site-nav a:hover { color: var(--brand); background: var(--brand-050); }
.site-nav a.is-active { color: var(--brand); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.header-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.header-tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 700;
  color: #33506E;
}
.header-tel strong { color: var(--ink); letter-spacing: .02em; }
.header-tel:hover { color: var(--brand); }
.header-tel:hover strong { color: var(--brand); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { content: ""; top: -6px; left: 0; transform: none; }
.nav-toggle span::after  { content: ""; top: 6px;  left: 0; transform: none; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 7. 首页 Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 74px) 0 96px;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 58px;
  align-items: center;
}
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero__lead {
  font-size: 1.08rem;
  color: #DDECFF;
  max-width: 560px;
  margin-bottom: 34px;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 17px 8px 12px;
  margin-bottom: 26px;
  border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  font-size: .82rem;
  font-weight: 700;
  color: #fff;
}
.hero__tag i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #7DFCD2;
  box-shadow: 0 0 0 4px rgba(125, 252, 210, .28);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(125, 252, 210, .28); }
  50%      { box-shadow: 0 0 0 8px rgba(125, 252, 210, .06); }
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 38px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .3);
}
.hero__stats dt {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.hero__stats dd {
  margin: 5px 0 0;
  font-size: .84rem;
  color: #C9E2FB;
}
/* 文字型数据（无数字滚动）时缩小字号，避免占位过大 */
.hero__stats--text dt { font-size: 1.05rem; letter-spacing: 0; }

/* Hero 右侧：AI 问答演示卡 */
.hero-visual { position: relative; }
.chat-stack { display: grid; gap: 16px; }

.chat-card {
  position: relative;
  padding: 20px 22px;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, .14);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(6, 30, 64, .22);
}
.chat-card--ask {
  margin-left: 34px;
  background: rgba(255, 255, 255, .24);
  border-color: rgba(255, 255, 255, .46);
}
.chat-card__who {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 11px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: #D6E8FD;
  text-transform: uppercase;
}
.chat-card__dot {
  width: 22px; height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: .68rem;
  color: var(--brand-600);
  background: #fff;
}
.chat-card p { margin: 0; font-size: .93rem; color: #F0F7FF; line-height: 1.7; }
.chat-card .hl { color: #fff; font-weight: 700; box-shadow: inset 0 -.5em 0 rgba(255, 255, 255, .22); }

.chat-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chat-badges span {
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .3);
  font-size: .74rem;
  font-weight: 600;
  color: #EAF4FF;
}

.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border-radius: 13px;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 14px 34px rgba(6, 30, 64, .2);
  font-size: .79rem;
  font-weight: 800;
  color: var(--ink);
}
.float-chip b { color: var(--brand); }
.float-chip--a { top: -18px; right: -6px; animation: floatY 5.5s ease-in-out infinite; }
.float-chip--b { bottom: -20px; left: -10px; animation: floatY 6.5s ease-in-out infinite .9s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* ---------- 8. AI 平台条（浅色带 + 平台图标） ---------- */
.platforms {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 32px 0 36px;
}
.platforms__label {
  text-align: center;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: #7C93AB;
  text-transform: uppercase;
  margin-bottom: 22px;
}
/* 10 个平台排成 5+5 两行等宽格子：既不会出现 9+1 的孤行，也不会把标签压得太小 */
.platforms__list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  max-width: 940px;
  margin: 0 auto;
}
.platform {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-s);
  font-size: .87rem;
  font-weight: 700;
  color: var(--ink-800);
  transition: transform .22s ease, box-shadow .25s ease, border-color .22s ease;
}
.platform:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--brand-200);
}
.platform__logo {
  width: 26px; height: 26px;
  flex: none;
  object-fit: contain;
  display: block;
}
.platforms__note {
  margin: 20px 0 0;
  text-align: center;
  font-size: .8rem;
  color: #8AA2BB;
}

/* 窄屏放不下 5 列时退回自然换行，避免横向溢出 */
@media (max-width: 820px) {
  .platforms__list {
    display: flex;
    flex-wrap: wrap;
    max-width: none;
  }
  .platform { padding: 7px 14px; }
}

/* ---------- 8b. 核心品牌条：云见GEO ---------- */
.brandbar {
  background: linear-gradient(120deg, var(--bg-soft) 0%, var(--bg-soft-2) 52%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.brandbar__inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.brandbar__badge {
  flex: none;
  display: inline-flex;
  align-items: baseline;
  padding: 11px 20px;
  border-radius: 14px;
  background: linear-gradient(120deg, var(--panel-1), var(--panel-3));
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .06em;
  box-shadow: 0 10px 26px rgba(18, 60, 110, .2);
}
.brandbar__badge em {
  font-style: normal;
  color: #D6EBFF;
  letter-spacing: .1em;
}
.brandbar__text {
  flex: 1 1 420px;
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--muted);
}
.brandbar__text strong { color: var(--brand-600); }
.brandbar .btn { flex: none; }

/* ---------- 9. 卡片 ---------- */
.card {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  box-shadow: var(--shadow-s);
  overflow: hidden;
  transition: transform .26s ease, box-shadow .3s ease, border-color .26s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(30, 123, 230, .32);
}
.card:hover::before { transform: scaleX(1); }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card__text { color: var(--muted); font-size: .94rem; margin: 0; }

.card--dark {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .26);
  box-shadow: none;
  backdrop-filter: blur(10px);
}
.card--dark h3 { color: #fff; }
.card--dark .card__text { color: #DCEBFF; }
.card--dark:hover { border-color: rgba(255, 255, 255, .58); background: rgba(255, 255, 255, .2); }

.icon-box {
  width: 52px; height: 52px;
  margin-bottom: 20px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(30, 123, 230, .12), rgba(22, 183, 240, .22));
  color: var(--brand);
  border: 1px solid rgba(30, 123, 230, .14);
}
.icon-box svg { width: 25px; height: 25px; }
.card--dark .icon-box {
  background: rgba(255, 255, 255, .22);
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
}

.card__no {
  position: absolute;
  top: 22px; right: 24px;
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: rgba(30, 123, 230, .14);
  letter-spacing: -.04em;
}
.card--dark .card__no { color: rgba(255, 255, 255, .34); }

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-size: .87rem;
  font-weight: 700;
}
.card__link::after { content: "\2192"; transition: transform .22s ease; }
.card:hover .card__link::after { transform: translateX(4px); }

/* ---------- 10. 图文交替 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 62px;
  align-items: center;
}
.split--reverse .split__media { order: -1; }
.split + .split { margin-top: 92px; }

.split__media {
  position: relative;
  min-height: 340px;
  margin: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(420px 300px at 78% 12%, rgba(22, 183, 240, .16), transparent 62%),
    linear-gradient(145deg, #EAF3FB, #F6FBFE);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.split__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 123, 230, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 123, 230, .07) 1px, transparent 1px);
  background-size: 40px 40px;
}
.split__media figcaption {
  position: relative;
  padding: 10px 20px;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-s);
  font-size: .84rem;
  font-weight: 700;
  color: var(--brand);
}

.pain-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 14px; counter-reset: pain; }
.pain-list li {
  position: relative;
  padding: 16px 20px 16px 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: .93rem;
  color: #33485F;
}
.pain-list li::before {
  counter-increment: pain;
  content: counter(pain, decimal-leading-zero);
  position: absolute;
  left: 19px; top: 16px;
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--brand);
}
.pain-list strong { color: var(--ink); display: block; margin-bottom: 3px; font-size: .96rem; }

.check-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 13px; }
.check-list li {
  position: relative;
  padding-left: 32px;
  color: #33485F;
  font-size: .95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .32em;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: rgba(30, 123, 230, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231257B4' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* ---------- 11. 数据 ---------- */
.stat { text-align: center; }
.stat__num {
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.035em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.stat__num sup { font-size: .48em; color: var(--brand); margin-left: 2px; }
.stat__label { font-size: .9rem; color: var(--muted); margin: 8px 0 0; }
.dark .stat__num { color: #fff; }
.dark .stat__num sup { color: #A8F0FF; }
.dark .stat__label { color: #CFE4FB; }

/* ---------- 12. 流程 ---------- */
.steps { display: grid; gap: 18px; counter-reset: step; }
.step {
  position: relative;
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 24px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.step:hover {
  border-color: rgba(30, 123, 230, .36);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.step__no {
  counter-increment: step;
  width: 60px; height: 60px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 10px 22px rgba(30, 123, 230, .28);
}
.step__no::before { content: counter(step, decimal-leading-zero); }
.step h3 { margin-bottom: 7px; font-size: 1.06rem; }
.step p { margin: 0; color: var(--muted); font-size: .93rem; }

.steps--dark .step {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .26);
  backdrop-filter: blur(10px);
}
.steps--dark .step h3 { color: #fff; }
.steps--dark .step p { color: #DCEBFF; }
.steps--dark .step:hover { border-color: rgba(255, 255, 255, .58); }

/* ---------- 13. 对比表 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  box-shadow: var(--shadow-s);
}
table.data {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: .93rem;
}
table.data th, table.data td {
  padding: 16px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th {
  background: linear-gradient(180deg, #F7FBFF, #EFF6FC);
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: #FAFCFF; }
table.data td:first-child { font-weight: 700; color: var(--ink); white-space: nowrap; }

/* ---------- 14. 案例 ---------- */
.case-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-s);
  transition: transform .26s ease, box-shadow .3s ease, border-color .26s ease;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(30, 123, 230, .32);
}
.case-card__top {
  position: relative;
  padding: 26px 26px 22px;
  background:
    radial-gradient(320px 200px at 82% 0%, rgba(255, 255, 255, .24), transparent 62%),
    linear-gradient(140deg, var(--panel-1), var(--panel-3));
  color: #fff;
}
.case-card__top::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 34px 34px;
}
.case-card__meta { position: relative; z-index: 2; }
.case-card__tag {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .22);
  border: 1px solid rgba(255, 255, 255, .46);
  font-size: .74rem;
  font-weight: 700;
  color: #fff;
}
.case-card__name {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}
.case-card__body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.case-card__body p { color: var(--muted); font-size: .92rem; }
.case-metrics {
  display: flex;
  gap: 22px;
  margin: 4px 0 20px;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line);
}
.case-metrics div { flex: 1; }
.case-metrics b {
  display: block;
  font-size: 1.42rem;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -.03em;
  line-height: 1.15;
}
.case-metrics span { font-size: .78rem; color: var(--muted); }
.case-card .tags { margin-top: auto; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--brand-050);
  color: var(--brand-600);
  border: 1px solid rgba(30, 123, 230, .14);
  font-size: .76rem;
  font-weight: 700;
}
.tag--light {
  background: rgba(255, 255, 255, .18);
  color: #EAF4FF;
  border: 1px solid rgba(255, 255, 255, .34);
}

/* ---------- 15. 资讯 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}
.filter-bar button {
  padding: 9px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font: inherit;
  font-size: .88rem;
  font-weight: 600;
  color: #33485F;
  cursor: pointer;
  transition: all .2s ease;
}
.filter-bar button:hover { border-color: var(--brand); color: var(--brand); }
.filter-bar button.is-on {
  background: linear-gradient(100deg, var(--brand), #1E93E0);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(30, 123, 230, .28);
}

.news-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-align: left;
  padding: 26px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-s);
  transition: transform .26s ease, box-shadow .3s ease, border-color .26s ease;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(30, 123, 230, .3);
}
.news-card[hidden] { display: none; }
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: .78rem;
  color: var(--muted);
}
.news-card__cat {
  padding: 4px 11px;
  border-radius: 6px;
  background: rgba(30, 123, 230, .08);
  font-weight: 700;
  color: var(--brand-600);
}
.news-card__date { font-family: var(--mono); }
.news-card h3 {
  font-size: 1.04rem;
  line-height: 1.5;
  margin-bottom: 12px;
  transition: color .2s ease;
}
.news-card:hover h3 { color: var(--brand); }
.news-card__desc {
  margin: 0 0 18px;
  font-size: .9rem;
  color: var(--muted);
  flex: 1;
}
.news-card__more {
  align-self: flex-start;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: .85rem;
  font-weight: 700;
  color: var(--brand);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card__more::after { content: "\2192"; transition: transform .22s ease; }
.news-card:hover .news-card__more::after { transform: translateX(4px); }

/* 资讯弹层 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.is-open { display: flex; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 30, 64, .55);
  backdrop-filter: blur(6px);
}
.modal__panel {
  position: relative;
  width: 100%;
  max-width: 760px;
  max-height: 86vh;
  overflow-y: auto;
  padding: 44px 46px 48px;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-l);
  animation: modalIn .3s cubic-bezier(.2, .8, .3, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
.modal__close {
  position: absolute;
  top: 18px; right: 18px;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all .2s ease;
}
.modal__close:hover { border-color: var(--brand); color: var(--brand); background: rgba(30, 123, 230, .05); }
.modal__cat {
  display: inline-block;
  padding: 5px 13px;
  margin-bottom: 16px;
  border-radius: 6px;
  background: rgba(30, 123, 230, .08);
  font-size: .76rem;
  font-weight: 700;
  color: var(--brand-600);
}
.modal__date {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--muted);
}
.modal__panel h2 { font-size: 1.6rem; line-height: 1.4; margin-bottom: 20px; }
.modal__body { font-size: .97rem; color: #33485F; }
.modal__body h3 { font-size: 1.05rem; margin: 26px 0 10px; }
.modal__body p { margin: 0 0 14px; }
.modal__body ul { margin: 0 0 16px; padding-left: 22px; }
.modal__body li { margin-bottom: 8px; }
.modal__body .article__byline {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-050);
  color: var(--brand-600);
  font-size: .76rem;
  font-weight: 700;
}

/* ---------- 16. 表单 ---------- */
.form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: .88rem; font-weight: 700; color: var(--ink); }
.field label .req { color: #E5484D; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(30, 123, 230, .13);
}
.field .err { font-size: .8rem; color: #E5484D; display: none; }
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea { border-color: #E5484D; }
.field.is-invalid .err { display: block; }

.form-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: .85rem;
  color: var(--muted);
}
.form-consent input { width: 17px; height: 17px; margin: 3px 0 0; flex: none; accent-color: var(--brand); }
.form-note { font-size: .8rem; color: var(--muted); margin: 0; }
.form-note a { color: var(--brand-600); text-decoration: none; border-bottom: 1px solid rgba(30, 123, 230, .32); }
.form-note a:hover { color: var(--brand); border-bottom-color: currentColor; }

/* 防机器人蜜罐字段：对真人不可见，不用 display:none 以免被部分机器人识别 */
.field--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  display: none;
  align-items: center;
  gap: 11px;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  font-size: .9rem;
  font-weight: 700;
  background: rgba(22, 183, 240, .1);
  border: 1px solid rgba(22, 183, 240, .42);
  color: #05536B;
}
.alert.is-on { display: flex; }
.alert--warn {
  background: rgba(240, 165, 22, .12);
  border-color: rgba(214, 141, 10, .45);
  color: #7A4B00;
}
.alert--err {
  background: rgba(214, 60, 60, .1);
  border-color: rgba(198, 46, 46, .42);
  color: #8C1D1D;
}
.alert--warn svg,
.alert--err svg { display: none; }
.alert__text { display: block; }

.form-card {
  padding: 38px 36px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow);
}

/* ---------- 17. 联系信息 ---------- */
.info-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.info-list li { display: flex; gap: 15px; align-items: flex-start; }
.info-list .icon-box { width: 44px; height: 44px; margin: 0; border-radius: 12px; flex: none; }
.info-list .icon-box svg { width: 20px; height: 20px; }
.info-list strong { display: block; font-size: .93rem; color: var(--ink); }
.info-list span { font-size: .9rem; color: var(--muted); word-break: break-all; }

/* 地图卡：底图为本地静态图（高德瓦片拼接，不请求外部服务），图钉用 CSS 叠在上面 */
.map-card {
  position: relative;
  margin-top: 30px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  overflow: hidden;
  box-shadow: var(--shadow-s);
}
.map-card__stage { position: relative; }
.map-card__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.map-card__pin {
  position: absolute;
  left: 53.14%;
  top: 58.12%;
  width: 15px;
  height: 15px;
  margin: -7.5px 0 0 -7.5px;
  border-radius: 50%;
  background: var(--brand);
  border: 3px solid #fff;
  box-shadow: 0 4px 14px rgba(16, 36, 61, .38);
}
.map-card__pin::after {
  content: "";
  position: absolute;
  inset: -11px;
  border-radius: 50%;
  border: 2px solid rgba(30, 123, 230, .55);
  animation: mapPulse 2.6s ease-out infinite;
}
@keyframes mapPulse {
  0% { transform: scale(.55); opacity: .95; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}
.map-card__label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: grid;
  gap: 2px;
  padding: 10px 15px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(16, 36, 61, .12);
  backdrop-filter: blur(4px);
}
.map-card__label strong { font-size: .92rem; color: var(--ink); line-height: 1.3; }
.map-card__label span { font-size: .74rem; color: var(--muted); line-height: 1.4; }
.map-card__link {
  position: absolute;
  right: 14px;
  top: 14px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .95);
  border: 1px solid var(--line);
  font-size: .78rem;
  font-weight: 700;
  color: var(--brand-600);
  box-shadow: var(--shadow-s);
  transition: background .2s ease, color .2s ease;
}
.map-card__link:hover,
.map-card__link:focus-visible { background: var(--brand); color: #fff; border-color: var(--brand); }
/* 署名放在图下方的小条里，不压在地图上，窄屏也不会与地点标签打架 */
.map-card__credit {
  display: block;
  padding: 7px 14px;
  border-top: 1px solid var(--line);
  background: #fff;
  text-align: right;
  font-size: .68rem;
  color: #8AA2BB;
  letter-spacing: .02em;
}
.map-note {
  margin: 22px 0 0;
  font-size: .85rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- 18. 页脚 ---------- */
.site-footer {
  background: linear-gradient(180deg, #F5FAFF 0%, #E7F1FD 100%);
  border-top: 1px solid var(--line);
  color: #5A7490;
  padding: 70px 0 0;
  font-size: .92rem;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--accent), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.35fr;
  gap: 42px;
  padding-bottom: 52px;
}
.site-footer .brand__name { color: var(--ink); }
/* 页脚 Logo 与下方介绍文字之间留出呼吸位，避免贴在一起 */
.footer-grid > div > .brand { margin-bottom: 17px; }
.footer-tags { margin-top: 18px; }
.site-footer h4 {
  color: var(--ink);
  font-size: .86rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.site-footer a { color: #4A6480; }
.site-footer a:hover { color: var(--brand); }
.footer-bottom {
  border-top: 1px solid rgba(16, 36, 61, .09);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  font-size: .83rem;
  color: #7C93AB;
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--brand);
  border-bottom-color: currentColor;
}

/* ---------- 19. 内页头图 ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 66px) 0 70px;
  overflow: hidden;
}
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: #D4E7FC; max-width: 700px; margin: 0; font-size: 1.04rem; }

.crumbs { font-size: .82rem; color: #C9E2FB; margin-bottom: 18px; }
.crumbs a { color: #EAF4FF; }
.crumbs a:hover { color: #fff; }
.crumbs span { margin: 0 8px; opacity: .5; }

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 0;
}
.anchor-nav a {
  padding: 9px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .86rem;
  font-weight: 700;
  color: #33485F;
  background: #fff;
  transition: all .2s ease;
}
.anchor-nav a:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(30, 123, 230, .05);
}

/* ---------- 20. 部门 ---------- */
.dept {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  box-shadow: var(--shadow-s);
  transition: transform .26s ease, box-shadow .3s ease, border-color .26s ease;
}
.dept:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(30, 123, 230, .3);
}
.dept .icon-box { width: 46px; height: 46px; margin-bottom: 16px; }
.dept h3 { font-size: 1rem; margin-bottom: 8px; }
.dept p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ---------- 21. 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), var(--accent), transparent);
}
.timeline__item { position: relative; padding-bottom: 34px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -34px; top: 8px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(30, 123, 230, .12);
}
.timeline__year {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 13px;
  border-radius: 6px;
  background: rgba(30, 123, 230, .08);
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--brand-600);
}
.timeline__item h3 { font-size: 1.06rem; margin-bottom: 6px; }
.timeline__item p { margin: 0; color: var(--muted); font-size: .93rem; }

/* ---------- 22. 区域 ---------- */
.region-block { margin-bottom: 26px; }
.region-block:last-child { margin-bottom: 0; }
.region-block h3 {
  font-size: .96rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.region-block h3::before {
  content: "";
  width: 4px; height: 16px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--brand), var(--accent));
}
.region-cities { display: flex; flex-wrap: wrap; gap: 8px; }
.region-cities span {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: .84rem;
  color: #33485F;
}

/* ---------- 23. CTA ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 68px 56px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(520px 320px at 88% 10%, rgba(255, 255, 255, .26), transparent 62%),
    linear-gradient(130deg, var(--panel-1), var(--panel-2) 58%, var(--panel-3));
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
}
.cta > * { position: relative; z-index: 2; }
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { margin: 0; color: #DCEBFF; max-width: 560px; }

/* ---------- 24. FAQ ---------- */
.faq {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq + .faq { margin-top: 12px; }
.faq[open] { border-color: rgba(30, 123, 230, .3); }
.faq summary {
  cursor: pointer;
  padding: 19px 24px;
  font-weight: 700;
  color: var(--ink);
  font-size: .98rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--brand);
  transition: transform .25s ease;
}
.faq[open] summary::after { transform: rotate(45deg); }
.faq__body { padding: 0 24px 22px; color: var(--muted); font-size: .93rem; }
.faq__body p:last-child { margin-bottom: 0; }

/* ---------- 24b. 首页 FAQ（左说明 + 右问答） ---------- */
.faq-layout {
  display: grid;
  grid-template-columns: .82fr 1.35fr;
  gap: 54px;
  align-items: start;
}
.faq-aside h2 { margin-bottom: 16px; }
.faq-aside .lead { margin-bottom: 0; }
.faq-aside__note {
  margin-top: 26px;
  padding: 17px 20px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  border-left: 3px solid var(--brand);
}
.faq-aside__note strong {
  display: block;
  margin-bottom: 6px;
  font-size: .89rem;
  color: var(--ink);
}
.faq-aside__note p { margin: 0; font-size: .86rem; color: var(--muted); }

.faq-list .faq {
  background: #fff;
  box-shadow: var(--shadow-s);
}
.faq-list .faq:hover { border-color: rgba(30, 123, 230, .34); }
.faq-list .faq[open] { box-shadow: var(--shadow); }

@media (max-width: 900px) {
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- 25. 提示条 ---------- */
.notice {
  margin-top: 36px;
  padding: 16px 20px;
  border: 1px dashed rgba(30, 123, 230, .4);
  border-radius: var(--radius);
  background: rgba(30, 123, 230, .04);
  font-size: .85rem;
  color: #3A5670;
}
.notice strong { color: var(--brand-600); }

/* 编辑说明：内容已定稿，从「虚线占位」改为实线信息条 */
.notice--editorial {
  border-style: solid;
  border-color: var(--line);
  background: linear-gradient(120deg, #F6FAFF 0%, #EDF5FE 100%);
  color: #3A5670;
}
.notice--editorial a {
  color: var(--brand-600);
  font-weight: 700;
  border-bottom: 1px solid rgba(30, 123, 230, .35);
}
.notice--editorial a:hover { border-bottom-color: var(--brand-600); }

/* ---------- 26. 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 46px; height: 46px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 50%;
  background: rgba(30, 123, 230, .94);
  backdrop-filter: blur(8px);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, background-color .22s ease;
  z-index: 190;
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand); }

/* ---------- 27. 滚动淡入 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .8s cubic-bezier(.2, .75, .3, 1);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .09s; }
[data-reveal][data-delay="2"] { transition-delay: .18s; }
[data-reveal][data-delay="3"] { transition-delay: .27s; }
[data-reveal][data-delay="4"] { transition-delay: .36s; }
[data-reveal][data-delay="5"] { transition-delay: .45s; }
[data-reveal][data-delay="6"] { transition-delay: .54s; }
[data-reveal][data-delay="7"] { transition-delay: .63s; }
[data-reveal][data-delay="8"] { transition-delay: .72s; }
[data-reveal][data-delay="9"] { transition-delay: .81s; }

/* ---------- 28. 响应式 ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { max-width: 560px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .split { gap: 42px; }
  .header-tel { display: none; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .brandbar__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .brandbar__text { flex: 1 1 auto; }

  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    padding: 14px 20px 22px;
    background: rgba(255, 255, 255, .99);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(18, 60, 110, .16);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: transform .25s ease, opacity .25s ease, visibility .25s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav a { padding: 14px 15px; border-radius: 11px; font-size: 1rem; }
  .site-nav a.is-active { background: var(--brand-050); }
  .site-nav a.is-active::after { display: none; }

  .header-actions .btn { display: none; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split + .split { margin-top: 68px; }
  .section { padding: 74px 0; }
  .hero { padding-top: calc(var(--header-h) + 54px); }
  .cta { padding: 46px 30px; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 30px 24px 32px; }
  .modal__panel { padding: 36px 26px 40px; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .hero__stats { gap: 22px 30px; }
  .hero__stats li { flex: 1 1 40%; }
  .step { grid-template-columns: 1fr; gap: 16px; padding: 24px 22px; }
  .step__no { width: 50px; height: 50px; font-size: 1rem; border-radius: 14px; }
  .float-chip { display: none; }
  .chat-card--ask { margin-left: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .page-hero { padding-top: calc(var(--header-h) + 46px); }
  .brand__mark { width: 36px; height: 36px; }
  .brand__name { font-size: 1rem; }
  .brand__sub { font-size: .55rem; letter-spacing: .12em; }
  .case-metrics { gap: 14px; }
  .case-metrics b { font-size: 1.2rem; }
}

/* ---------- 29. 无障碍 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

.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;
}

/* ---------- 30a. 首屏分屏背景（每屏一套，随轮播交叉淡入） ---------- */
.dark--slider::before { display: none; }   /* 底纹改由各分屏图层自带 */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero__bg-l {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  transition: opacity .8s ease;
}
.hero__bg-l.is-on { opacity: 1; }
.hero__bg-l em {
  position: absolute;
  inset: 0;
  display: block;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(circle at 50% 26%, #000 22%, transparent 76%);
  mask-image: radial-gradient(circle at 50% 26%, #000 22%, transparent 76%);
}

/* 第 1 屏 · GEO：品牌蓝主面板，左侧高光 + 右上冷青 */
.hero__bg-l[data-bg="1"] {
  background:
    radial-gradient(880px 440px at 10% 0%, rgba(255, 255, 255, .20), transparent 60%),
    radial-gradient(720px 400px at 90% 10%, rgba(22, 183, 240, .38), transparent 62%),
    linear-gradient(160deg, var(--panel-1) 0%, var(--panel-2) 50%, var(--panel-3) 100%);
}

/* 第 2 屏 · 官网建设：偏青绿，主光晕移到右上，网格更细密 */
.hero__bg-l[data-bg="2"] {
  background:
    radial-gradient(780px 430px at 88% 2%, rgba(31, 199, 165, .44), transparent 62%),
    radial-gradient(620px 320px at 2% 98%, rgba(255, 255, 255, .16), transparent 58%),
    linear-gradient(145deg, #1868C8 0%, #2688D8 46%, #3BABE0 100%);
}
.hero__bg-l[data-bg="2"] em {
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(circle at 78% 18%, #000 20%, transparent 74%);
  mask-image: radial-gradient(circle at 78% 18%, #000 20%, transparent 74%);
}

/* 第 3 屏 · 效果追踪：明显偏深靛蓝，光晕分散在右上与左下，网格更疏朗 */
.hero__bg-l[data-bg="3"] {
  background:
    radial-gradient(720px 420px at 74% 10%, rgba(110, 107, 242, .46), transparent 64%),
    radial-gradient(660px 380px at 20% 80%, rgba(22, 183, 240, .34), transparent 62%),
    linear-gradient(200deg, #0C3680 0%, #14509E 46%, #1E74C4 100%);
}
.hero__bg-l[data-bg="3"] em {
  background-size: 92px 92px;
  -webkit-mask-image: radial-gradient(circle at 30% 68%, #000 16%, transparent 72%);
  mask-image: radial-gradient(circle at 30% 68%, #000 16%, transparent 72%);
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg-l { transition: none; }
}

/* ---------- 30. 首页轮播 ---------- */
.slides { display: grid; }
.slide {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity .7s ease, visibility .7s ease;
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 2;
}
.slider-ctrl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 46px;
  flex-wrap: wrap;
}
.slider-dots { display: flex; align-items: center; gap: 10px; }
.slider-dot {
  width: 34px; height: 5px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, .38);
  cursor: pointer;
  transition: width .28s ease, background-color .22s ease;
}
.slider-dot:hover { background: rgba(255, 255, 255, .62); }
.slider-dot.is-on {
  width: 58px;
  background: #fff;
}
.slider-arrows { display: flex; gap: 10px; }
.slider-arrow {
  width: 46px; height: 46px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  cursor: pointer;
  transition: background-color .22s ease, transform .22s ease, border-color .22s ease;
}
.slider-arrow:hover {
  background: #fff;
  color: var(--brand-600);
  border-color: #fff;
  transform: translateY(-2px);
}
.slider-arrow svg { width: 19px; height: 19px; }

/* 轮播右侧：内联小面板 */
.mini-panel {
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(6, 30, 64, .22);
  padding: 22px;
}
.mini-panel__bar { display: flex; gap: 6px; margin-bottom: 16px; }
.mini-panel__bar i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .45);
}
.mini-panel__title {
  margin: 0 0 14px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #D6E8FD;
}
.mini-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: 13px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .2);
}
.mini-row + .mini-row { margin-top: 10px; }
.mini-row__ic {
  width: 31px; height: 31px;
  flex: none;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--brand-600);
  font-size: .76rem;
  font-weight: 800;
}
.mini-row__tx { min-width: 0; }
.mini-row strong { display: block; color: #fff; font-size: .88rem; line-height: 1.35; }
.mini-row span { font-size: .76rem; color: #D6E8FD; line-height: 1.4; }
.mini-row__val {
  margin-left: auto;
  flex: none;
  font-size: .84rem;
  font-weight: 800;
  color: #fff;
}
.mini-field { margin-top: 14px; }
.mini-field__head {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: #D6E8FD;
  margin-bottom: 7px;
}
.mini-field__head b { color: #fff; }
.mini-bar {
  height: 7px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .26);
  overflow: hidden;
}
.mini-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, #FFFFFF, #8FE9FF);
}

@media (max-width: 900px) {
  .slider-ctrl { margin-top: 34px; }
}
@media (max-width: 640px) {
  .slider-ctrl { justify-content: center; }
  .slider-arrow { width: 42px; height: 42px; }
  .slider-dot { width: 26px; }
  .slider-dot.is-on { width: 42px; }
}