.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
/* =========================================================
   云启科技 · 官网（浅色商务 + 撞色块）
   设计语言：白 / #F4F6FB 交替底 + 品牌蓝 #014DB2 撞色
            + 深海军蓝 #0F172A 页头/页脚/强调块
   字体：Noto Sans SC（中文）/ Sora（拉丁大数字）/ Manrope（拉丁正文）
   全站共用此文件，改一处即全站生效。
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fb;
  --bg-tint: #f8fafc;

  --ink: #0f172a;          /* 深海军蓝，用于标题与深色块 */
  --ink-2: #1e293b;
  --body: #475569;
  --mute: #64748b;
  --faint: #94a3b8;

  --brand: #014db2;        /* 品牌蓝，撞色主色 */
  --brand-bright: #2563eb;
  --brand-ink: #0a2a66;
  --brand-soft: #eaf1fe;   /* 品牌蓝浅底 */

  --emerald: #10b981;
  --amber: #f59e0b;

  --border: #e6e9f0;
  --border-strong: #d6d9de;
  --divider-dark: #1e293b;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.05), 0 4px 12px rgba(15,23,42,.05);
  --shadow-md: 0 10px 28px rgba(15,23,42,.08);
  --shadow-lg: 0 22px 54px rgba(15,23,42,.12);

  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Sora", "Noto Sans SC", sans-serif;
  --font-latin: "Manrope", "Noto Sans SC", sans-serif;

  --maxw: 1280px;
  --pad-x: 80px;
  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  color: var(--body);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 { color: var(--ink); margin: 0; line-height: 1.25; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
svg { display: block; }
.mono { font-family: var(--font-latin); font-feature-settings: "tnum"; }
.text-grad {
  background: linear-gradient(120deg, var(--brand) 0%, var(--brand-bright) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
section[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
.section { position: relative; padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

/* 两种区块标题写法都支持 */
.section__head, .section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section__head .eyebrow, .section-head .eyebrow { margin-bottom: 16px; }
.section__title, .section-title { font-size: 34px; letter-spacing: -.01em; }
.section__sub, .section-desc { margin-top: 14px; font-size: 17px; color: var(--mute); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-latin);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--brand); background: var(--brand-soft);
  padding: 6px 14px; border-radius: var(--radius-pill);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-cn); font-size: 16px; font-weight: 600;
  padding: 13px 26px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; transition: all .2s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-bright); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 15px 30px; font-size: 17px; }

/* glass（浅色主题下的轻玻璃卡） */
.glass {
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(140%) blur(8px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

/* =========================================================
   Header（注入 #site-header）
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); }
.brand__mark {
  width: 32px; height: 32px; border-radius: 8px; background: var(--brand);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 17px;
  font-family: var(--font-cn);
}
.brand__name { letter-spacing: .01em; }
.nav { display: flex; gap: 2px; white-space: nowrap; }
.nav a { font-size: 15px; font-weight: 500; color: var(--body); transition: color .2s; position: relative; padding: 4px 0; }
.nav a:hover { color: var(--brand); }
.nav a.is-active { color: var(--brand); font-weight: 600; }
.header__actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; margin: 4px 0; transition: .2s; }

/* =========================================================
   导航下拉
   ========================================================= */
.nav-item { position: relative; }
.nav-item .nav-link { display: inline-block; padding: 4px 14px; font-size: 15px; font-weight: 500; color: var(--body); transition: color .2s; position: relative; cursor: pointer; text-decoration: none; }
.nav-item .nav-link:hover { color: var(--brand); }
.nav-item .nav-link.is-active { color: var(--brand); font-weight: 600; }
.nav-item.has-sub > .nav-link { padding-right: 26px; }
.nav-item.has-sub > .nav-link::after { content: ""; position: absolute; right: 10px; top: 50%; margin-top: -2px; border: 4px solid transparent; border-top-color: currentColor; }
.sub-nav { position: absolute; top: 100%; left: 8px; min-width: 170px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-md); padding: 6px 0; opacity: 0; visibility: hidden; transition: all .2s; z-index: 100; }
.nav-item:hover .sub-nav { opacity: 1; visibility: visible; }
.sub-nav a { display: block; padding: 8px 16px; font-size: 14px; color: var(--body); text-decoration: none; transition: background .15s, color .15s; white-space: nowrap; }
.sub-nav a:hover { background: var(--bg-alt); color: var(--brand); }

/* =========================================================
   分站列表
   ========================================================= */
.city-links-section { padding: 48px 0; background: var(--bg-alt); }
.city-links-section .section-head { margin-bottom: 28px; }
.city-links-section .section-head h2 { font-size: 22px; color: var(--ink); margin: 0 0 6px; font-weight: 700; }
.city-links-section .section-head p { font-size: 15px; color: var(--mute); margin: 0; }

/* =========================================================
   Footer（注入 #site-footer）
   ========================================================= */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 64px 0 28px; margin-top: 96px; }
.footer__grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand .brand { color: #fff; margin-bottom: 16px; }
.footer__brand p { font-size: 14px; color: #94a3b8; max-width: 300px; line-height: 1.7; }
.footer__col h4 { color: #fff; font-size: 15px; margin: 0 0 16px; font-weight: 600; }
.footer__col a { display: block; font-size: 14px; color: #94a3b8; padding: 6px 0; transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__col--contact p { font-size: 14px; color: #94a3b8; padding: 4px 0; }
.footer__bottom {
  border-top: 1px solid var(--divider-dark); margin-top: 44px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: #64748b;
}

/* =========================================================
   Page Hero（深色撞色页头：资讯/文章/关于/业务）
   ========================================================= */
.page-hero, .about-hero, .biz-hero, .svc-hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff;
  padding: 84px 0 76px;
}
.page-hero__glow, .about-hero__glow, .biz-hero__glow, .svc-hero__glow {
  position: absolute; top: -160px; right: -120px; width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(1,77,178,.45) 0%, rgba(1,77,178,0) 65%);
  pointer-events: none;
}
.page-hero .container, .about-hero .container, .biz-hero .container, .svc-hero .container, .article-hero .container {
  position: relative; z-index: 2;
}
.crumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #94a3b8; margin-bottom: 22px; }
.crumb a { color: #94a3b8; transition: color .2s; }
.crumb a:hover { color: #fff; }
.crumb span:not(a) { color: #64748b; }
.page-hero h1, .about-hero h1, .biz-hero h1, .svc-hero h1 { color: #fff; font-size: 46px; letter-spacing: -.01em; line-height: 1.2; }
.page-hero p, .about-hero p, .biz-hero p, .svc-hero p { margin-top: 16px; font-size: 18px; color: #cbd5e1; max-width: 720px; line-height: 1.7; }

/* =========================================================
   资讯中心页
   ========================================================= */
.news__filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter {
  font-family: var(--font-cn); font-size: 14px; font-weight: 500;
  color: var(--mute); background: #fff; border: 1px solid var(--border);
  padding: 9px 18px; border-radius: var(--radius-pill); cursor: pointer; transition: all .2s;
}
.filter:hover { border-color: var(--brand); color: var(--brand); }
.filter.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 头条大卡（品牌蓝渐变） */
.news__feature {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-ink) 100%);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; color: #fff;
}
.news__feature-cover {
  position: relative; min-height: 300px; padding: 40px;
  display: flex; flex-direction: column; justify-content: flex-end;
  background:
    radial-gradient(circle at 80% 10%, rgba(255,255,255,.18), transparent 50%),
    linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,0));
}
.news__feature-cover .tag {
  align-self: flex-start; background: rgba(255,255,255,.2); color: #fff;
  padding: 5px 13px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; margin-bottom: 16px;
}
.news__feature-cover h3 { color: #fff; font-size: 24px; line-height: 1.4; }
.news__feature-cover .date { margin-top: 14px; font-size: 13px; color: rgba(255,255,255,.78); }
.news__feature-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.news__feature-body .lead { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.92); }
.news__feature-body .more { margin-top: 8px; display: inline-flex; align-items: center; gap: 6px; color: #fff; font-weight: 600; font-size: 15px; }

.news__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 10px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.post:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.post .thumb {
  height: 150px; border-radius: var(--radius-sm); margin-bottom: 6px;
  background: linear-gradient(135deg, var(--brand-soft), #dbe7fb);
  display: grid; place-items: center; color: var(--brand); font-size: 13px;
}
.post .tagline { font-size: 12px; font-weight: 600; color: var(--brand); }
.post h4 { font-size: 18px; color: var(--ink); line-height: 1.45; }
.post .excerpt { font-size: 14px; color: var(--mute); line-height: 1.65; }
.post .meta { font-size: 13px; color: var(--faint); }
.post .more { margin-top: auto; display: inline-block; font-size: 14px; font-weight: 600; color: var(--brand); }

.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pager a {
  min-width: 42px; height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--mute); font-size: 14px; transition: all .2s;
}
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager a.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* =========================================================
   文章详情页
   ========================================================= */
.article { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.article__crumb { margin-bottom: 22px; }
.article__cat {
  display: inline-block; font-size: 13px; font-weight: 600; color: var(--brand);
  background: var(--brand-soft); padding: 6px 14px; border-radius: var(--radius-pill); margin-bottom: 18px;
}
.article__title { font-size: 38px; line-height: 1.35; letter-spacing: -.01em; }
.article__meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: 14px; color: var(--faint); }
.article__meta b { color: var(--body); font-weight: 600; }
.article__cover {
  margin: 32px 0; height: 360px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-ink) 100%);
  display: grid; place-items: center; color: rgba(255,255,255,.85); font-size: 14px;
}
.article__body { font-size: 17px; line-height: 1.9; color: var(--body); }
.article__body h2 { font-size: 26px; margin: 40px 0 16px; }
.article__body p { margin-bottom: 20px; }
.article__quote {
  margin: 28px 0; padding: 22px 26px; border-left: 4px solid var(--brand);
  background: var(--brand-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 18px; color: var(--ink); line-height: 1.8; font-weight: 500;
}
.article__body .figure {
  margin: 28px 0; height: 240px; border-radius: var(--radius-sm);
  background: var(--bg-alt); border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--faint); font-size: 13px;
}

.article__tags { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
.article__tags .label { font-size: 14px; color: var(--mute); font-weight: 600; }
.tag {
  font-size: 13px; color: var(--brand); background: var(--brand-soft);
  padding: 6px 13px; border-radius: var(--radius-pill); transition: background .2s;
}
.tag:hover { background: #dbe7fb; }
.share { margin-left: auto; display: flex; gap: 8px; }
.share a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--mute); transition: all .2s;
}
.share a:hover { border-color: var(--brand); color: var(--brand); }
.share svg { width: 18px; height: 18px; }

.author {
  display: flex; gap: 16px; align-items: center; margin-top: 28px; padding: 22px;
  background: var(--bg-alt); border-radius: var(--radius);
}
.author__avatar {
  width: 56px; height: 56px; border-radius: 50%; flex: none;
  background: var(--brand); color: #fff; display: grid; place-items: center;
  font-size: 22px; font-weight: 700; font-family: var(--font-cn);
}
.author__name { font-size: 16px; font-weight: 700; color: var(--ink); }
.author__role { font-size: 13px; color: var(--mute); margin-top: 2px; }
.author__bio { font-size: 13px; color: var(--mute); margin-top: 8px; line-height: 1.6; }

.related { margin-top: 56px; }
.related__head { font-size: 22px; margin-bottom: 22px; }
.related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related__card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: box-shadow .2s, transform .2s; }
.related__card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.related__card .meta { font-size: 12px; color: var(--faint); }
.related__card h4 { font-size: 16px; margin: 8px 0; color: var(--ink); line-height: 1.45; }
.related__card .more { font-size: 14px; font-weight: 600; color: var(--brand); }

/* =========================================================
   关于我们页
   ========================================================= */
.mvv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mvv__card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 30px; }
.mvv__badge {
  width: 48px; height: 48px; border-radius: 12px; background: var(--brand-soft);
  display: grid; place-items: center; color: var(--brand); font-family: var(--font-display);
  font-weight: 700; font-size: 20px; margin-bottom: 18px;
}
.mvv__card h3 { font-size: 22px; margin-bottom: 12px; }
.mvv__card p { font-size: 15px; color: var(--mute); line-height: 1.8; }

/* 数据带（品牌蓝实色） */
.stats-band { background: var(--brand); color: #fff; }
.stats-band__inner { max-width: var(--maxw); margin: 0 auto; padding: 76px var(--pad-x); }
.stats-band__head { text-align: center; margin-bottom: 44px; }
.stats-band__head .eyebrow { background: rgba(255,255,255,.16); color: #fff; }
.stats-band__head h2 { color: #fff; font-size: 32px; }
.stats-band__row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band__row .stat__num { font-family: var(--font-display); font-size: 46px; font-weight: 700; line-height: 1; color: #fff; }
.stats-band__row .stat__label { margin-top: 10px; font-size: 15px; color: rgba(255,255,255,.85); }

/* 发展历程时间轴 */
.timeline { position: relative; margin-top: 20px; padding-left: 8px; }
.timeline::before { content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--brand-soft), var(--border)); }
.tl__item { position: relative; padding: 0 0 36px 60px; }
.tl__item:last-child { padding-bottom: 0; }
.tl__dot {
  position: absolute; left: 8px; top: 4px; width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 4px solid var(--brand); box-shadow: var(--shadow-sm);
}
.tl__date { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--brand); }
.tl__title { font-size: 18px; margin: 4px 0 6px; }
.tl__desc { font-size: 15px; color: var(--mute); line-height: 1.7; max-width: 760px; }

/* 为什么选我们（深色撞色块） */
.why-dark { background: var(--ink); color: #fff; }
.why-dark__head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.why-dark__head .eyebrow { background: rgba(255,255,255,.14); color: #fff; }
.why-dark__head h2 { color: #fff; font-size: 34px; }
.why-dark__head p { margin-top: 14px; color: #94a3b8; font-size: 17px; }
.why-dark__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-dark__card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 28px; transition: background .2s; }
.why-dark__card:hover { background: rgba(255,255,255,.08); }
.why-dark__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--brand); display: grid; place-items: center; color: #fff; margin-bottom: 16px; }
.why-dark__ico svg { width: 22px; height: 22px; }
.why-dark__card h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.why-dark__card p { font-size: 14px; color: #94a3b8; line-height: 1.7; }

/* =========================================================
   业务介绍页
   ========================================================= */
.svc-details__head, .industry__head, .cases__head { max-width: 760px; margin-bottom: 48px; }
.svc-details__head .label, .industry__head .label, .cases__head .label {
  display: inline-block; font-family: var(--font-latin); font-size: 13px; font-weight: 600;
  letter-spacing: .04em; color: var(--brand); background: var(--brand-soft);
  padding: 6px 14px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.svc-details__head h2, .industry__head h2, .cases__head h2 { font-size: 32px; }
.svc-details__head p, .industry__head p, .cases__head p { margin-top: 14px; font-size: 16px; color: var(--mute); line-height: 1.7; }

.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.svc-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 32px; transition: box-shadow .2s, transform .2s; display: flex; flex-direction: column; }
.svc-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.svc-card__chip {
  width: 52px; height: 52px; border-radius: 14px; background: var(--brand-soft);
  display: grid; place-items: center; margin-bottom: 18px;
}
.svc-card__chip svg { width: 28px; height: 28px; }
.svc-card__title { font-size: 21px; margin-bottom: 10px; }
.svc-card__desc { font-size: 15px; color: var(--mute); line-height: 1.75; }
.svc-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.svc-card__link { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; color: var(--brand); margin-top: auto; align-self: flex-start; }

.industry__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ind-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: box-shadow .2s, transform .2s; }
.ind-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.ind-card__num { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--brand); margin-bottom: 12px; }
.ind-card__title { font-size: 18px; margin-bottom: 8px; }
.ind-card__desc { font-size: 14px; color: var(--mute); line-height: 1.7; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; transition: box-shadow .2s, transform .2s; }
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.case-card__tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--brand); background: var(--brand-soft); padding: 5px 13px; border-radius: var(--radius-pill); margin-bottom: 16px; }
.case-card__client { font-size: 18px; font-weight: 700; color: var(--ink); }
.case-card__metric { font-family: var(--font-display); font-weight: 700; font-size: 38px; color: var(--brand); margin: 12px 0 4px; }
.case-card__label { font-size: 13px; color: var(--mute); }
.case-card__desc { font-size: 14px; color: var(--mute); line-height: 1.7; margin-top: 14px; }

/* =========================================================
   首页（index.html）沿用区块样式
   ========================================================= */
.hero { position: relative; overflow: hidden; padding: 104px 0 96px; background: var(--ink); color: #fff; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__svg { width: 100%; height: 100%; }
.hero__glow { position: absolute; top: -200px; right: -140px; width: 720px; height: 720px; background: radial-gradient(circle, rgba(37,99,235,.40) 0%, rgba(37,99,235,0) 65%); pointer-events: none; z-index: 1; }
.hero__inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; text-align: center; }
.hero .badge { display: inline-block; font-size: 14px; font-weight: 600; color: #fff; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); padding: 7px 15px; border-radius: var(--radius-pill); margin-bottom: 22px; }
.hero h1 { font-size: 52px; letter-spacing: -.02em; line-height: 1.15; color: #fff; }
.hero h1 .text-grad { background: linear-gradient(120deg, #7cc0ff 0%, #38bdf8 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { margin: 22px auto 0; font-size: 18px; color: #cbd5e1; max-width: 560px; }
.hero__cta { margin-top: 30px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero__cta .btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.hero__cta .btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
.hero__visual { background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-lg); overflow: hidden; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 720px; margin: 52px auto 0; }
.stat { text-align: center; }
.stat__num { font-family: var(--font-display); font-size: 44px; font-weight: 700; line-height: 1; color: #fff; }
.stat__label { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.72); }

.pain__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.pain-card__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); margin-bottom: 14px; }
.pain-card__ico svg { width: 22px; height: 22px; }
.pain-card h3 { font-size: 18px; margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--mute); line-height: 1.65; }

.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.service-card__icon { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); margin-bottom: 16px; }
.service-card__icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 19px; margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--mute); line-height: 1.65; flex: 1; }
.service-card__link { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--brand); }

.industries__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industries__grid .ind-card, .ind-card-mini { padding: 24px; display: flex; gap: 14px; align-items: flex-start; }
.industries__grid .ind-card__ico, .ind-card-mini__ico { width: 42px; height: 42px; border-radius: 11px; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); flex: none; }
.industries__grid .ind-card__ico svg, .ind-card-mini__ico svg { width: 22px; height: 22px; }
.industries__grid .ind-card__txt h3, .industries__grid .ind-card h4, .ind-card-mini h4 { font-size: 16px; margin-bottom: 4px; }
.industries__grid .ind-card__txt p, .industries__grid .ind-card p, .ind-card-mini p { font-size: 13px; color: var(--mute); line-height: 1.6; }
.svc-main { min-width: 0; }

.cta-band { display: grid; grid-template-columns: 1.3fr auto; gap: 32px; align-items: center; background: linear-gradient(135deg, var(--brand-ink) 0%, var(--brand) 100%); color: #fff; border-radius: var(--radius); padding: 48px 52px; }
.cta-band__text .eyebrow { background: rgba(255,255,255,.16); color: #fff; }
.cta-band__text h2 { color: #fff; font-size: 30px; margin-top: 12px; }
.cta-band__text p { color: rgba(255,255,255,.85); margin-top: 12px; font-size: 16px; }
.cta-band__row { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-band .btn--primary { background: #fff; color: var(--brand); }
.cta-band .btn--primary:hover { background: var(--bg-tint); }
.cta-band .btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.cta-band .btn--ghost:hover { border-color: #fff; }

.process__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step__num { font-family: var(--font-display); font-size: 30px; font-weight: 700; color: var(--brand); }
.step__line { height: 2px; background: linear-gradient(90deg, var(--brand-soft), transparent); margin: 10px 0 14px; }
.step h4 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--mute); line-height: 1.6; }

.why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.why-card__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); margin-bottom: 14px; }
.why-card__ico svg { width: 22px; height: 22px; }
.why-card h3 { font-size: 18px; margin-bottom: 8px; }
.why-card p { font-size: 14px; color: var(--mute); line-height: 1.65; }

.band { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.band__row { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.band__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.band__stat .n { font-family: var(--font-display); font-size: 30px; font-weight: 700; }
.band__stat .l { font-size: 13px; color: var(--mute); margin-top: 4px; }
.t-label { font-size: 14px; color: var(--mute); margin-bottom: 14px; font-weight: 600; }
.tech-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-chip { font-size: 13px; color: var(--body); background: #fff; border: 1px solid var(--border); padding: 8px 14px; border-radius: var(--radius-pill); }
.logos { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.logo-pill { font-size: 13px; color: var(--mute); background: #fff; border: 1px solid var(--border); padding: 8px 16px; border-radius: var(--radius-pill); }

.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.quote__mark { font-family: var(--font-display); font-size: 40px; color: var(--brand-soft); line-height: .6; }
.quote p { font-size: 16px; line-height: 1.75; color: var(--ink); }
.quote__author { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.quote__avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 700; }
.quote__name { font-size: 15px; font-weight: 700; color: var(--ink); }
.quote__role { font-size: 13px; color: var(--mute); }

.bento { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
.bento__feature { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s, transform .2s; }
.bento__feature:hover, .mini:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.bento__feature .thumb, .mini .thumb { height: 200px; background: linear-gradient(135deg, var(--brand-soft), #dbe7fb); display: grid; place-items: center; color: var(--brand); font-size: 13px; }
.bento__feature .body, .mini .body { padding: 22px 24px; }
.bento__feature .meta, .mini .meta { font-size: 12px; color: var(--faint); }
.bento__feature h3 { font-size: 20px; margin: 8px 0; color: var(--ink); line-height: 1.4; }
.bento__feature .read, .mini .read { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--brand); }
.bento__side { display: flex; flex-direction: column; gap: 20px; }
.mini { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: grid; grid-template-columns: 110px 1fr; }
.mini .thumb { height: 100%; min-height: 96px; background: linear-gradient(135deg, var(--brand-soft), #dbe7fb); display: grid; place-items: center; color: var(--brand); font-size: 12px; }
.mini .body { padding: 16px 18px; }
.mini h4 { font-size: 15px; color: var(--ink); margin: 4px 0; line-height: 1.45; }

.guarantee__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.guarantee-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.guarantee-card__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 14px; }
.guarantee-card__ico svg { width: 22px; height: 22px; }
.guarantee-card h3 { font-size: 17px; margin-bottom: 8px; }
.guarantee-card p { font-size: 14px; color: var(--mute); line-height: 1.6; }

/* =========================================================
   首页板块色彩骨架 + 编号脚手架 + 波浪支架
   ========================================================= */
main { counter-reset: sec; }

/* 色彩骨架：浅灰 / 品牌蓝浅底 / 深蓝 交替（白为默认） */
.section--brand { background: var(--brand-soft); }
.section--brand .eyebrow { background: var(--brand); color: #fff; }
.section--navy { background: var(--ink); color: #fff; }
.section--navy .section-title { color: #fff; }
.section--navy .section-desc { color: rgba(255,255,255,.72); }
.section--navy .eyebrow { background: rgba(255,255,255,.14); color: #fff; }

/* 区块编号 chip（脚手架，全站板块标题通用） */
.section-head, .section__head, .svc-details__head, .industry__head, .cases__head { position: relative; }
.section-head::before, .section__head::before, .svc-details__head::before, .industry__head::before, .cases__head::before {
  counter-increment: sec;
  content: "0" counter(sec);
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700; font-size: 13px; letter-spacing: .08em;
  color: #fff; background: var(--brand);
  padding: 4px 12px; border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

/* 色块之间的波浪支架 */
.sec-wave { position: absolute; top: -71px; left: 0; right: 0; height: 72px; line-height: 0; z-index: 1; pointer-events: none; }
.sec-wave svg { width: 100%; height: 72px; display: block; }
.sec-wave--tint svg path { fill: var(--bg-alt); }
.sec-wave--navy svg path { fill: var(--ink); }
.sec-wave--white svg path { fill: #fff; }
.sec-wave--brand svg path { fill: var(--brand); }

/* 文章详情页深色 Hero（article.html） */
.article-hero { position: relative; overflow: hidden; background: var(--ink); color: #fff; padding: 72px 0 84px; }
.article-hero .container { position: relative; z-index: 2; }
.article-hero__inner { max-width: 820px; }
.article-hero .article__crumb { margin-bottom: 20px; }
.article-hero .article__crumb a { color: #94a3b8; transition: color .2s; }
.article-hero .article__crumb a:hover { color: #fff; }
.article-hero .article__crumb span:not(a) { color: #64748b; }
.article-hero .article__cat { color: #fff; background: rgba(255,255,255,.16); }
.article-hero .article__title { color: #fff; }
.article-hero .article__meta { color: rgba(255,255,255,.72); }
.article-hero .article__meta b { color: #fff; }

/* 服务详情页（service.html） */
.svc-hero__cta { display: flex; gap: 14px; margin: 28px 0 22px; flex-wrap: wrap; }
.svc-switch { display: flex; flex-wrap: wrap; gap: 10px; }
.svc-switch a { font-size: 14px; font-weight: 500; color: var(--body); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); padding: 9px 18px; border-radius: var(--radius-pill); transition: all .2s; }
.svc-switch a:hover { background: rgba(255,255,255,.16); color: #fff; }
.layout-2 { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.svc-block { scroll-margin-top: calc(var(--header-h) + 16px); padding-bottom: 36px; margin-bottom: 36px; border-bottom: 1px solid var(--border); position: relative; }
.svc-block::before {
  counter-increment: sec;
  content: "0" counter(sec);
  display: inline-block;
  font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: .08em;
  color: #fff; background: var(--brand);
  padding: 4px 12px; border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.svc-block:last-child { border-bottom: 0; }
.svc-block h2 { font-size: 28px; margin-bottom: 14px; }
.svc-block > p { font-size: 16px; color: var(--body); line-height: 1.8; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.feature-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.feature-item .ico { width: 34px; height: 34px; border-radius: 9px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: none; font-size: 16px; }
.feature-item h4 { font-size: 16px; margin-bottom: 4px; }
.feature-item p { font-size: 13px; color: var(--mute); line-height: 1.6; }
.aside { position: sticky; top: calc(var(--header-h) + 20px); display: flex; flex-direction: column; gap: 20px; }
.aside__card { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.aside__card h3 { font-size: 18px; margin-bottom: 10px; }
.aside__card p { font-size: 14px; color: var(--mute); line-height: 1.6; margin-bottom: 16px; }
.aside__list a { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--body); padding: 8px 0; transition: color .2s; }
.aside__list a:hover { color: var(--brand); }
.aside__list .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); flex: none; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; background: #fff; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 20px 24px; font-weight: 600; color: var(--ink); font-size: 17px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--brand); font-weight: 400; transition: transform .2s; }
.faq-item[open] summary::after { content: "\2013"; }
.faq-item p { padding: 0 24px 22px; color: var(--mute); font-size: 15px; line-height: 1.7; }

/* =========================================================
   通用 CTA band（列表/详情页底部）
   ========================================================= */
.cta { background: linear-gradient(135deg, var(--brand-ink) 0%, var(--brand) 100%); color: #fff; border-radius: var(--radius); padding: 60px 56px; text-align: center; }
.cta h2 { color: #fff; font-size: 32px; }
.cta p { margin: 16px auto 28px; max-width: 560px; color: rgba(255,255,255,.85); font-size: 17px; }
.cta__row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta .btn--primary { background: #fff; color: var(--brand); }
.cta .btn--primary:hover { background: var(--bg-tint); }
.cta .btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.cta .btn--ghost:hover { border-color: #fff; }
.cta__reassure { margin-top: 22px; font-size: 13px; color: rgba(255,255,255,.7); }

/* =========================================================
   滚动渐显
   ========================================================= */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }

/* 移动端导航缩写 */
.nav-short { display: none; }
.nav-lbl { display: inline; }

/* =========================================================
   右侧悬浮面板
   ========================================================= */
.float-panel { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 999; display: flex; flex-direction: column; align-items: center; transition: all .3s ease; }
.float-panel.collapsed .fp-items { display: none; }
.float-panel.collapsed .fp-toggle { border-radius: 8px 0 0 8px; padding: 10px 6px; }
.fp-toggle { background: var(--brand); color: #fff; border: 0; cursor: pointer; font-size: 16px; padding: 12px 8px; border-radius: 10px 0 0 10px; writing-mode: vertical-rl; letter-spacing: 2px; transition: all .3s; line-height: 1.2; }
.fp-toggle:hover { background: var(--brand-bright); }
.fp-items { display: flex; flex-direction: column; gap: 1px; background: var(--border); border-radius: 10px 0 0 10px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.12); }
.fp-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; width: 52px; padding: 10px 0; background: #fff; color: var(--body); text-decoration: none; font-size: 11px; transition: background .2s, color .2s; cursor: pointer; border: 0; font-family: inherit; }
.fp-item:hover { background: var(--brand-soft); color: var(--brand); }
.fp-item svg { width: 22px; height: 22px; display: block; }
@media (max-width: 760px) {
  .float-panel { right: 0; top: auto; bottom: 80px; transform: none; }
  .fp-item { width: 44px; padding: 8px 0; font-size: 10px; }
  .fp-item svg { width: 18px; height: 18px; }
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  :root { --pad-x: 48px; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; }
  .news__feature { grid-template-columns: 1fr; }
  .news__grid, .related__grid, .mvv, .why-dark__grid, .industry__grid, .case-grid,
  .svc-grid, .services__grid, .industries__grid, .testimonials__grid,
  .stats-band__row, .pain__grid, .why__grid, .guarantee__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid, .stats { grid-template-columns: repeat(2, 1fr); }
  .band__row { grid-template-columns: 1fr; }
  .layout-2 { grid-template-columns: 1fr; }
  .aside { position: static; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --pad-x: 22px; }
  .nav, .header__actions .btn { display: none; }
  .nav-toggle { display: block; }
  .site-header.open .nav {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 8px var(--pad-x);
  }
  .site-header.open .nav-item { display: block; }
  .site-header.open .nav-link { display: block; padding: 10px 0; font-size: 15px; }
  .site-header.open .sub-nav { position: static; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 4px 16px; background: transparent; }
  .site-header.open .sub-nav a { padding: 6px 0; font-size: 14px; }
  .nav-lbl { display: none; }
  .nav-short { display: inline; }
  .site-header.open .nav-link .nav-short { font-size: 15px; }
  .section { padding: 64px 0; }
  .page-hero, .about-hero, .biz-hero, .svc-hero { padding: 56px 0 48px; }
  .page-hero h1, .about-hero h1, .biz-hero h1, .svc-hero h1 { font-size: 32px; }
  .hero h1 { font-size: 32px; }
  .section__title, .section-title { font-size: 27px; }
  .news__grid, .related__grid, .mvv, .why-dark__grid, .industry__grid, .case-grid,
  .svc-grid, .services__grid, .industries__grid, .testimonials__grid,
  .stats-band__row, .pain__grid, .why__grid, .guarantee__grid,
  .process__grid, .stats, .feature-list, .bento { grid-template-columns: 1fr; }
  .article__title { font-size: 28px; }
  .cta { padding: 40px 24px; }
  .cta-band { padding: 36px 26px; }
  .footer__grid { grid-template-columns: 1fr; }
  /* 移动端隐藏装饰波浪，避免盖住窄屏 Hero 底部文字 */
  .sec-wave { display: none; }
  .article-hero { padding: 56px 0 60px; }
  .article-hero .article__title { font-size: 27px; }
}