/* ==========================================================================
   福建新企云通信息技术有限公司 · 官网视觉系统
   主色：科技蓝 #165DFF   深色底：#0A1730   辅助：青绿 #00C2A8
   ========================================================================== */

:root {
  --brand: #1E90FF;
  --brand-deep: #0A73D6;
  --brand-soft: #E6F2FF;
  --accent: #00C2A8;
  --accent-soft: #E1F8F4;

  --ink: #0A2A5C;
  --ink-2: #12407F;
  --ink-3: #1B57A8;

  --grad-blue: linear-gradient(148deg, #0A4CC4 0%, #1E90FF 46%, #5ABAFF 100%);
  --grad-blue-soft: linear-gradient(126deg, #0A4CC4 0%, #1E90FF 56%, #52B4FF 100%);

  --text: #0F172A;
  --text-2: #4A5568;
  --text-3: #8A94A6;
  --text-inv: #FFFFFF;
  --text-inv-2: rgba(255, 255, 255, .84);
  --text-inv-3: rgba(255, 255, 255, .62);

  --line: #E5E9F0;
  --line-soft: #EEF1F6;
  --line-inv: rgba(255, 255, 255, .26);

  --bg: #FFFFFF;
  --bg-2: #F7F9FC;
  --bg-3: #EFF3F9;

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --sh-sm: 0 2px 10px rgba(10, 23, 48, .05);
  --sh: 0 6px 26px rgba(10, 23, 48, .07);
  --sh-lg: 0 20px 50px rgba(10, 23, 48, .13);
  --sh-brand: 0 10px 30px rgba(22, 93, 255, .28);

  --max: 1200px;
  --nav-h: 72px;
  --ease: cubic-bezier(.22, .68, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

/* ---------- 布局 ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.sec { padding: 96px 0; }
.sec--tight { padding: 72px 0; }
.sec--bg { background: var(--bg-2); }
.sec--dark { background: var(--ink); color: var(--text-inv); }

.sec-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.sec-head--left { margin-left: 0; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand); background: var(--brand-soft);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 18px;
}
.sec--dark .eyebrow { color: #A9D8FF; background: rgba(255, 255, 255, .14); }
.eyebrow::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

.h1 { font-size: clamp(32px, 5vw, 56px); letter-spacing: -.025em; }
.h2 { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: -.02em; }
.h3 { font-size: clamp(19px, 1.6vw, 22px); }
.lead { font-size: clamp(15px, 1.4vw, 18px); color: var(--text-2); line-height: 1.75; }
.sec--dark .lead { color: var(--text-inv-2); }
.sec-head .lead { margin-top: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border-radius: 100px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn--primary { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { background: var(--brand-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid var(--line); color: var(--text); background: #fff; }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn--inv { border: 1px solid var(--line-inv); color: #fff; background: rgba(255, 255, 255, .06); }
.btn--inv:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }
.btn--sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav__inner { display: flex; align-items: center; gap: 40px; width: 100%; }
.nav__brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.nav__logo { height: 34px; width: auto; flex-shrink: 0; display: block; }
.foot .nav__logo { height: 38px; }
/* 彩色标识落在深底上需要白色光晕，否则蓝色弧会与背景糊在一起 */
.nav--on-dark:not(.is-stuck) .nav__logo {
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, .66)) drop-shadow(0 1px 3px rgba(2, 18, 42, .32));
}
.foot .nav__logo {
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, .48));
}
.nav__name { display: flex; flex-direction: column; line-height: 1.15; }
.nav__name b { font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.nav__name span { font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; opacity: .6; }
.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative; padding: 9px 16px; border-radius: 100px;
  font-size: 15px; font-weight: 500; transition: color .2s, background .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 50%; bottom: 3px; width: 0; height: 2px;
  background: currentColor; border-radius: 2px; transform: translateX(-50%);
  transition: width .25s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { width: 18px; }
.nav__link.is-active { color: var(--brand); }
.nav__side { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

.nav--on-dark { color: #fff; }
.nav--on-dark .nav__link:hover, .nav--on-dark .nav__link.is-active { color: #fff; }
.nav.is-stuck {
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  color: var(--text);
  box-shadow: 0 1px 20px rgba(10, 23, 48, .05);
}
.nav.is-stuck .nav__link:hover, .nav.is-stuck .nav__link.is-active { color: var(--brand); }
.nav.is-stuck .btn--inv { border-color: var(--line); color: var(--text); background: #fff; }
.nav.is-stuck .btn--inv:hover { border-color: var(--brand); color: var(--brand); background: #fff; }

.lang {
  display: flex; align-items: center; gap: 2px; padding: 3px;
  border-radius: 100px; border: 1px solid var(--line-inv);
  background: rgba(255, 255, 255, .06);
}
.nav.is-stuck .lang { border-color: var(--line); background: var(--bg-2); }
.lang__btn {
  padding: 5px 11px; border-radius: 100px; font-size: 13px; font-weight: 600;
  color: inherit; opacity: .55; transition: all .2s;
}
.lang__btn.is-on { background: var(--brand); color: #fff; opacity: 1; }
.nav__burger {
  display: none; width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--line-inv); place-items: center;
}
.nav.is-stuck .nav__burger { border-color: var(--line); }
.nav__burger i { position: relative; width: 17px; height: 1.5px; background: currentColor; border-radius: 2px; }
.nav__burger i::before, .nav__burger i::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.5px;
  background: currentColor; border-radius: 2px; transition: transform .25s var(--ease);
}
.nav__burger i::before { top: -5.5px; }
.nav__burger i::after { top: 5.5px; }

.mnav {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 12px 24px 24px; display: none;
  box-shadow: var(--sh);
}
.mnav.is-open { display: block; }
.mnav a { display: block; padding: 13px 4px; font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--line-soft); }
.mnav a.is-active { color: var(--brand); }
.mnav .btn { margin-top: 18px; }

/* ---------- 深色首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--grad-blue); color: #fff;
  padding: calc(var(--nav-h) + 84px) 0 100px;
}
.hero--page { padding: calc(var(--nav-h) + 68px) 0 76px; }
.hero.hero--page h1 { font-size: clamp(28px, 3.4vw, 42px); }
.hero.hero--page .hero__sub { margin-top: 18px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(1000px 620px at 82% -12%, rgba(255, 255, 255, .34), transparent 62%),
    radial-gradient(820px 560px at 2% 108%, rgba(0, 226, 200, .32), transparent 62%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .6;
  background-image:
    linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: radial-gradient(760px 460px at 62% 34%, #000, transparent 78%);
  mask-image: radial-gradient(760px 460px at 62% 34%, #000, transparent 78%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero__grid {
  display: grid; grid-template-columns: 1fr .92fr; gap: 64px; align-items: center;
}
.hero__tag {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px;
  padding: 7px 16px 7px 8px; border-radius: 100px;
  background: rgba(255, 255, 255, .18); border: 1px solid var(--line-inv);
  font-size: 13.5px; color: #fff;
}
.hero__tag b {
  font-size: 12px; font-weight: 700; color: var(--brand-deep); letter-spacing: .04em;
  background: #fff; padding: 3px 10px; border-radius: 100px;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px); letter-spacing: -.03em;
  text-shadow: 0 2px 18px rgba(3, 26, 66, .34);
}
/* 强调行：亮蓝底上浅色渐变字会发虚。改为纯白字 + 青绿荧光笔"垫底"标记
   ⚠️ 条带必须落在基线以下：穿进字形会在笔画空隙露出青纹，看起来像阴影 */
.hero h1 em {
  font-style: normal; color: #fff;
  background-image: linear-gradient(96deg, #00E2C8 0%, #2BFFDD 62%, #78FFE8 100%);
  background-size: 100% 14%;
  background-position: 0 86%;
  background-repeat: no-repeat;
  padding: 0 4px; margin: 0 -4px;
}
.hero__sub { margin-top: 24px; max-width: 560px; font-size: clamp(15px, 1.35vw, 17.5px); color: var(--text-inv-2); line-height: 1.8; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero .btn--primary {
  background: #fff; color: var(--brand-deep);
  box-shadow: 0 12px 32px rgba(4, 32, 84, .3);
}
.hero .btn--primary:hover { background: #EDF6FF; color: var(--brand-deep); transform: translateY(-2px); }
.hero .btn--inv { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .5); }
.hero .btn--inv:hover { background: rgba(255, 255, 255, .28); border-color: #fff; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--line-inv); }
.hero__fact b { display: block; font-size: 27px; font-weight: 700; letter-spacing: -.02em; }
.hero__fact span { font-size: 13px; color: var(--text-inv-3); }

/* 首屏右侧视觉 */
.hero__visual { position: relative; height: 420px; }
.hv-panel {
  position: absolute; border-radius: var(--r-lg);
  background: rgba(7, 38, 92, .38);
  border: 1px solid rgba(255, 255, 255, .22);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  padding: 18px 20px;
  box-shadow: 0 24px 60px rgba(3, 26, 66, .3);
}
.hv-panel--main { inset: 26px 0 62px 34px; }
.hv-panel--float {
  right: 14px; bottom: 0; width: 232px; padding: 16px;
  background: #fff; color: var(--text);
  border-color: transparent;
  box-shadow: 0 18px 44px rgba(2, 20, 54, .34);
}
.hv-row { display: flex; align-items: center; gap: 10px; padding: 11px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.hv-row:last-child { border-bottom: 0; }
.hv-row__ic {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  background: #fff; box-shadow: 0 2px 7px rgba(2, 20, 54, .28);
}
.hv-row__ic--teal { background: #fff; }
.hv-row__t { flex: 1; font-size: 13.5px; font-weight: 600; }
.hv-row__t small { display: block; font-size: 11.5px; font-weight: 400; color: rgba(255, 255, 255, .78); }
.hv-row__v {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 600; color: #7DFFE2;
}
.hv-row__v::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; margin-right: 6px;
  background: #2BFFDD; box-shadow: 0 0 6px rgba(43, 255, 221, .9);
}
.hv-bar { height: 5px; border-radius: 100px; background: rgba(255, 255, 255, .2); overflow: hidden; margin-top: 12px; }
.hv-bar i { display: block; height: 100%; border-radius: 100px; background: linear-gradient(90deg, #FFFFFF, #6FF0D8); }
/* 浮动卡是白底，白→浅青的进度条在白底上等于隐形，改用蓝色系 */
.hv-panel--float .hv-bar { background: #E4EDF9; margin-top: 10px; }
.hv-panel--float .hv-bar i { background: linear-gradient(90deg, var(--brand), var(--accent)); }
.hv-float__t { font-size: 12px; color: var(--text-3); }
.hv-float__v { font-size: 24px; font-weight: 700; letter-spacing: -.02em; margin: 2px 0 10px; }
.hv-float__v small { font-size: 13px; font-weight: 600; color: var(--accent); margin-left: 6px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: transparent; box-shadow: var(--sh-lg); }
.card__ic {
  width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 20px;
  transition: transform .3s var(--ease);
}
.card:hover .card__ic { transform: scale(1.06); }
.card__ic--teal { background: var(--accent-soft); color: #02947F; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--text-2); line-height: 1.72; }
.card__list { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.card__list li { position: relative; padding-left: 20px; font-size: 14px; color: var(--text-2); }
.card__list li::before {
  content: ""; position: absolute; left: 3px; top: 9px;
  width: 6px; height: 6px; border-radius: 2px; background: var(--brand); opacity: .65;
}
.card--dark {
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 100%);
  border-color: transparent; color: #fff;
}
.card--dark h3 { color: #fff; }
.card--dark p, .card--dark .card__list li { color: var(--text-inv-2); }
.card--dark .card__list li::before { background: var(--accent); opacity: 1; }
.card--dark .card__ic { background: rgba(255, 255, 255, .16); color: #fff; }
.card--link { display: flex; flex-direction: column; }
.card__more {
  margin-top: auto; padding-top: 20px; display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--brand);
}
.card__more svg { transition: transform .25s var(--ease); }
.card:hover .card__more svg { transform: translateX(4px); }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--r-lg); overflow: hidden; }
.stat { background: #fff; padding: 34px 26px; text-align: center; }
.stat b { display: block; font-size: clamp(28px, 3vw, 40px); font-weight: 700; letter-spacing: -.03em; color: var(--brand); }
.stat b i { font-style: normal; font-size: .5em; font-weight: 600; margin-left: 2px; color: var(--text-2); }
.stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--text-2); }
.sec--dark .stats { background: var(--line-inv); }
.sec--dark .stat { background: var(--ink); }
.sec--dark .stat b { color: #9BD4FF; }
.sec--dark .stat span { color: var(--text-inv-2); }

/* ---------- Tab ---------- */
.tabs { display: inline-flex; gap: 6px; padding: 5px; border-radius: 100px; background: var(--bg-3); margin-bottom: 40px; }
.tab {
  padding: 10px 24px; border-radius: 100px; font-size: 14.5px; font-weight: 600;
  color: var(--text-2); transition: all .25s var(--ease);
}
.tab.is-on { background: #fff; color: var(--brand); box-shadow: var(--sh-sm); }
.panel { display: none; }
.panel.is-on { display: block; animation: fadeUp .45s var(--ease) both; }
.tabs-wrap { text-align: center; }

/* ---------- 代码块 ---------- */
.code {
  border-radius: var(--r); overflow: hidden; background: var(--ink);
  border: 1px solid rgba(255, 255, 255, .08);
}
.code__bar {
  display: flex; align-items: center; gap: 10px; padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .08); flex-wrap: wrap;
}
.code__lang {
  padding: 4px 12px; border-radius: 100px; font-size: 12.5px; font-weight: 600;
  color: var(--text-inv-3); transition: all .2s;
}
.code__lang.is-on { background: rgba(22, 93, 255, .35); color: #fff; }
.code pre { margin: 0; padding: 20px 22px; overflow-x: auto; }
.code code {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px; line-height: 1.85; color: #C8D6F0; white-space: pre;
}
.code .k { color: #7FB0FF; }
.code .s { color: #5CE0C8; }
.code .c { color: #6C7A99; font-style: italic; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.field label i { color: #E5484D; font-style: normal; margin-left: 3px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; font: inherit; font-size: 15px; color: var(--text);
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: border-color .2s, box-shadow .2s; -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22, 93, 255, .12);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238A94A6' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px;
}
.field--half { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 13px; color: var(--text-3); margin-top: 14px; line-height: 1.6; }

.toast {
  position: fixed; left: 50%; bottom: 36px; z-index: 200;
  transform: translate(-50%, 130%); opacity: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 100px; background: var(--ink); color: #fff;
  font-size: 14.5px; font-weight: 500; box-shadow: var(--sh-lg);
  transition: transform .4s var(--ease), opacity .4s var(--ease);
  max-width: calc(100vw - 40px);
}
.toast.is-on { transform: translate(-50%, 0); opacity: 1; }
.toast--ok { background: #0B7A63; }
.toast--err { background: #A32D2D; }

/* ---------- 时间轴 ---------- */
.tl { position: relative; padding-left: 34px; }
.tl::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl__item { position: relative; padding-bottom: 40px; }
.tl__item:last-child { padding-bottom: 0; }
.tl__item::before {
  content: ""; position: absolute; left: -33px; top: 6px; width: 13px; height: 13px;
  border-radius: 50%; background: #fff; border: 3px solid var(--brand);
}
.tl__year { font-size: 14px; font-weight: 700; color: var(--brand); letter-spacing: .02em; }
.tl__item h4 { font-size: 17px; margin: 6px 0 8px; }
.tl__item p { font-size: 14.5px; color: var(--text-2); }

/* ---------- 名录 / 标签 ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 9px 18px; border-radius: 100px; font-size: 14px; font-weight: 500;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text-2);
}
.sec--dark .chip { background: rgba(255, 255, 255, .06); border-color: var(--line-inv); color: var(--text-inv-2); }

.cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 22px; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.case:hover { transform: translateY(-4px); box-shadow: var(--sh); }
.case__logo {
  height: 34px; display: flex; align-items: center; font-size: 16px; font-weight: 700;
  letter-spacing: -.01em; color: var(--text); margin-bottom: 14px;
}
.case p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.case__tag { display: inline-block; margin-top: 14px; font-size: 12.5px; font-weight: 600; color: var(--brand); }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--r-xl);
  background: var(--grad-blue-soft);
  color: #fff; padding: 66px 60px; text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(620px 320px at 84% 10%, rgba(0, 226, 200, .38), transparent 66%);
}
.cta > * { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(24px, 3vw, 36px); }
.cta p { margin: 16px auto 34px; max-width: 560px; color: var(--text-inv-2); }
.cta__btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- 页脚 ---------- */
.foot { background: var(--ink); color: var(--text-inv-2); padding: 72px 0 0; }
.foot__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.foot__brand { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; color: #fff; }
.foot__brand b { font-size: 16.5px; font-weight: 700; }
.foot__desc { font-size: 14px; line-height: 1.8; color: var(--text-inv-3); max-width: 330px; }
.foot h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: .02em; }
.foot__links { display: flex; flex-direction: column; gap: 12px; }
.foot__links a, .foot__links li { font-size: 14px; color: var(--text-inv-3); transition: color .2s; }
.foot__links a:hover { color: #fff; }
.foot__links--contact li { display: flex; gap: 10px; line-height: 1.6; }
.foot__links--contact svg { flex-shrink: 0; margin-top: 4px; opacity: .55; }
.foot__bar {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center;
  padding: 24px 0; border-top: 1px solid var(--line-inv); font-size: 13px; color: var(--text-inv-3);
}
.foot__filing { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; }
.foot__filing a { color: var(--text-inv-2); }
.foot__bar a:hover { color: #fff; }

/* ---------- 通用小件 ---------- */
.page-crumb { font-size: 13.5px; color: var(--text-inv-3); margin-bottom: 18px; }
.page-crumb a:hover { color: #fff; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.note {
  display: flex; gap: 12px; padding: 18px 20px; border-radius: var(--r);
  background: var(--brand-soft); border: 1px solid #D3E2FF; font-size: 14px; color: #17427F;
}
.note svg { flex-shrink: 0; margin-top: 2px; }
.note--warn { background: #FFF7E8; border-color: #FFE2A8; color: #7A5300; }
.anchor-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.anchor-nav a {
  padding: 8px 18px; border-radius: 100px; font-size: 14px; font-weight: 500;
  background: rgba(255, 255, 255, .09); border: 1px solid var(--line-inv); transition: all .22s;
}
.anchor-nav a:hover { background: var(--brand); border-color: var(--brand); }

/* ---------- 登录页 ---------- */
.auth {
  position: relative; overflow: hidden; min-height: 100vh;
  background: var(--grad-blue);
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + 36px) 0 calc(var(--nav-h) + 4px);
}
.auth::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 560px at 78% -12%, rgba(255, 255, 255, .32), transparent 62%),
    radial-gradient(700px 460px at 4% 108%, rgba(0, 226, 200, .3), transparent 60%);
}
.auth .wrap { position: relative; z-index: 2; display: grid; place-items: center; }
.auth__card {
  width: 100%; max-width: 470px; background: #fff;
  border-radius: var(--r-xl); padding: 44px 40px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .36);
}
.auth .tabs { margin-bottom: 0; }
[data-auth-pane] { display: none; }
[data-auth-pane].is-on { display: block; }

/* ---------- 深色区块内的通用件 ---------- */
.sec--dark .tabs { background: rgba(255, 255, 255, .08); }
.sec--dark .tab { color: var(--text-inv-3); }
.sec--dark .tab.is-on { background: rgba(255, 255, 255, .14); color: #fff; box-shadow: none; }
.sec--dark .panel h3 { color: #fff; }
.sec--dark .card__list li { color: var(--text-inv-2); }
.sec--dark .card__list li::before { background: var(--accent); opacity: 1; }

/* ---------- 动效 ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
.rv[data-d="1"] { transition-delay: .08s; }
.rv[data-d="2"] { transition-delay: .16s; }
.rv[data-d="3"] { transition-delay: .24s; }
.rv[data-d="4"] { transition-delay: .32s; }
.rv[data-d="5"] { transition-delay: .4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav__menu { display: none; }
  .nav__burger { display: grid; }
  .nav__inner { gap: 20px; }
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hero__visual { height: 340px; max-width: 480px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: repeat(2, 1fr); }
  .foot__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .split { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .sec { padding: 68px 0; }
  .sec--tight { padding: 52px 0; }
  .sec-head { margin-bottom: 40px; }
  .wrap { padding: 0 18px; }
  .hero { padding: calc(var(--nav-h) + 52px) 0 68px; }
  .hero--page { padding: calc(var(--nav-h) + 44px) 0 56px; }
  .hero__facts { gap: 22px 28px; padding-top: 26px; margin-top: 40px; }
  .hero__fact b { font-size: 22px; }
  .hero__fact span { font-size: 12.5px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .card { padding: 26px 22px; }
  .cta { padding: 46px 24px; border-radius: var(--r-lg); }
  .foot__grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
  .foot { padding-top: 56px; }
  .field--half { grid-template-columns: 1fr; gap: 0; }
  .tabs { display: flex; width: 100%; overflow-x: auto; }
  .tab { flex: 1 0 auto; padding: 10px 16px; }
  .nav__name { display: none; }
  .hero__visual { height: auto; }
  .hv-panel { position: static; inset: auto; width: auto; }
  .hv-panel--float { margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}