/* ==========================================================================
   聚师集团 官方网站 · 设计系统
   品牌 VI 取自官方 logo：
     主蓝 #0D6FB8 · 强调金 #C8A45C · 文字蓝 #253E68 · 中性灰 #B5B6B6
   ========================================================================== */

:root {
  /* 品牌色 —— 取自官方 logo */
  --brand-red:    #E60012;      /* 仅作点缀:logo / 序号 / 分类标签 */
  --brand-red-dk: #C40010;
  --brand-red-lt: #FF3B49;
  --brand-red-50: #FDEEEF;

  --brand-blue:    #0D6FB8;
  --brand-blue-lt: #2E8DD1;
  --brand-blue-dk: #0A5490;

  /* 品牌文字蓝 */
  --ink-brand: #253E68;

  /* 品牌蓝阶 */
  --brand-900: #0A2547;
  --brand-800: #0D3A66;
  --brand-700: #0D5A96;
  --brand-600: #0D6FB8;
  --brand-500: #2E8DD1;
  --brand-400: #5FAAE0;
  --brand-100: #DCEAF6;
  --brand-50:  #F1F7FC;

  --gold-600: #A8863C;
  --gold-500: #C8A45C;
  --gold-300: #E3CB96;
  --gold-50:  #FBF6EA;

  /* 中性色 */
  --ink-900: #1A2436;
  --ink-700: #35455C;
  --ink-500: #5A6B82;
  --ink-400: #8494A8;
  --ink-300: #B6C2D1;
  --line:     #E2E9F2;
  --bg:       #F7F9FC;
  --white:    #FFFFFF;

  /* 排版 */
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
          "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* 尺寸 */
  --maxw: 1200px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 2px 10px rgba(37, 62, 104, .06);
  --shadow: 0 8px 30px rgba(37, 62, 104, .09);
  --shadow-lg: 0 20px 60px rgba(37, 62, 104, .16);

  --nav-h: 74px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink-900); font-weight: 700; line-height: 1.3; }
p { margin: 0; }

::selection { background: var(--brand-600); color: #fff; }

/* --------------------------------------------------------------------------
   布局工具
   -------------------------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tight { padding: 64px 0; }
.section--white { background: var(--white); }
.section--brand { background: var(--brand-800); color: rgba(255,255,255,.82); }
.section--brand h2, .section--brand h3 { color: #fff; }
.section--dark {
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(30,123,200,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 110%, rgba(200,164,92,.16), transparent 60%),
    var(--brand-900);
  color: rgba(255,255,255,.8);
}
.section--dark h2, .section--dark h3 { color: #fff; }

.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); }

/* 显式列数类：便于在媒体查询中覆盖（内联样式无法被媒体查询覆盖）
   用双类选择器提高优先级，确保能覆盖 .steps / .grid / .timeline 等基础栅格 */
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.steps.cols-2, .grid.cols-2, .timeline.cols-2 { grid-template-columns: repeat(2, 1fr); }
.steps.cols-3, .grid.cols-3, .timeline.cols-3 { grid-template-columns: repeat(3, 1fr); }
.steps.cols-4, .grid.cols-4, .timeline.cols-4 { grid-template-columns: repeat(4, 1fr); }
.timeline-wide { gap: 34px 26px; }

/* --------------------------------------------------------------------------
   顶部公告条
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--brand-900);
  color: rgba(255,255,255,.72);
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar-items { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar-items span { display: inline-flex; align-items: center; gap: 6px; }
.topbar-items i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold-500); display: inline-block; }
.topbar a:hover { color: var(--gold-300); }

/* --------------------------------------------------------------------------
   导航
   -------------------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav .wrap { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark { width: auto; height: 42px; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-size: 19px; font-weight: 800; color: var(--ink-brand); letter-spacing: 2px; }
.logo-en { font-size: 10.5px; font-weight: 600; color: var(--ink-400); letter-spacing: 1.6px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 16px; border-radius: 8px;
  font-size: 15px; font-weight: 600; color: var(--ink-700);
  transition: all .2s ease;
}
.nav-links a:hover { color: var(--brand-600); background: var(--brand-50); }
.nav-links a.active { color: var(--brand-700); background: var(--brand-100); }
/* CTA 按钮位于最后，避免与 active 项视觉粘连 */
.nav-links a.nav-cta { margin-left: 8px; }

.nav-cta {
  padding: 10px 22px !important; border-radius: 8px !important;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-600));
  color: #fff !important; box-shadow: 0 6px 18px rgba(13, 95, 150, .26);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(13, 95, 150, .34); }

.nav-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 8px; }
.nav-toggle span { display: block; width: 21px; height: 2px; background: var(--ink-brand); position: relative; transition: .3s; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 21px; height: 2px; background: var(--ink-brand); transition: .3s;
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.open span::after { transform: rotate(-45deg); top: 0; }

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: 10px;
  font-size: 15.5px; font-weight: 700; letter-spacing: .3px;
  transition: all .22s ease; border: 1.5px solid transparent;
}
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand-700), var(--brand-600));
  color: #fff; box-shadow: 0 10px 26px rgba(13, 95, 150, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(13, 95, 150, .36); }
.btn-gold {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-700));
  color: #fff; box-shadow: 0 10px 26px rgba(168,134,60,.32);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(168,134,60,.4); }
.btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline { border-color: var(--brand-200, #C3D9EF); color: var(--brand-700); background: #fff; }
.btn-outline:hover { border-color: var(--brand-500); background: var(--brand-50); }

/* --------------------------------------------------------------------------
   区块标题
   -------------------------------------------------------------------------- */
.sec-head { max-width: 760px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 2.4px;
  color: var(--brand-500); text-transform: uppercase; margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold-500); }
.sec-head.center .eyebrow::after { content: ""; width: 26px; height: 2px; background: var(--gold-500); }
.section--brand .eyebrow, .section--dark .eyebrow { color: var(--gold-300); }
.section--dark .eyebrow::before, .section--dark .eyebrow::after { background: var(--gold-500); }

.sec-title { font-size: 36px; letter-spacing: -.4px; margin-bottom: 16px; }
.sec-desc { font-size: 16.5px; color: var(--ink-500); }
.section--brand .sec-desc, .section--dark .sec-desc { color: rgba(255,255,255,.72); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 620px at 88% 8%, rgba(30,123,200,.4), transparent 58%),
    radial-gradient(760px 480px at 4% 96%, rgba(200,164,92,.18), transparent 62%),
    linear-gradient(160deg, #071E3F 0%, #0B2E5C 52%, #123E77 100%);
  color: #fff; padding: 108px 0 96px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 72% 30%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 72% 30%, #000, transparent 76%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-inner { display: grid; grid-template-columns: 1.12fr .88fr; gap: 60px; align-items: center; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 100px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  font-size: 13.5px; font-weight: 600; color: var(--gold-300);
  margin-bottom: 26px; backdrop-filter: blur(6px);
}
.hero-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-500); box-shadow: 0 0 0 4px rgba(200,164,92,.2); }

.hero h1 { font-size: 54px; line-height: 1.18; color: #fff; letter-spacing: -1px; margin-bottom: 12px; }
.hero h1 .accent {
  display: block;
  background: linear-gradient(100deg, #F0DCA8, var(--gold-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-top: 4px;
}
.hero-slogan {
  font-size: 21px; color: var(--gold-300); font-weight: 600;
  letter-spacing: 4px; margin-bottom: 24px;
}
.hero-lead { font-size: 17px; color: rgba(255,255,255,.78); max-width: 580px; margin-bottom: 36px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius);
  overflow: hidden; backdrop-filter: blur(8px);
}
.hero-stat { background: rgba(255,255,255,.06); padding: 22px 18px; text-align: center; }
.hero-stat b { display: block; font-size: 34px; font-weight: 800; color: #fff; line-height: 1.15; letter-spacing: -1px; }
.hero-stat b.hero-stat-txt { font-size: 21px; letter-spacing: 1px; color: var(--gold-300); line-height: 1.5; }
.hero-stat b span { font-size: 17px; color: var(--gold-300); margin-left: 2px; }
.hero-stat em { display: block; font-style: normal; font-size: 13px; color: rgba(255,255,255,.62); margin-top: 7px; letter-spacing: .5px; }

/* Hero 侧卡片 */
.hero-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px; padding: 28px;
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
}
.hero-card-title {
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--gold-300); margin-bottom: 20px;
  display: flex; align-items: center; gap: 9px;
}
.hero-card-title svg { width: 16px; height: 16px; }
.hero-org { display: flex; flex-direction: column; gap: 11px; }
.hero-org-item {
  display: flex; align-items: center; gap: 13px;
  padding: 12px 15px; border-radius: 11px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09);
  transition: all .2s ease;
}
.hero-org-item:hover { background: rgba(255,255,255,.12); transform: translateX(4px); }
.hero-org-idx {
  width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
  color: #fff; font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.hero-org-item strong { display: block; font-size: 15px; color: #fff; font-weight: 700; line-height: 1.35; }
.hero-org-item small { display: block; font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.4; }

/* --------------------------------------------------------------------------
   通用卡片
   -------------------------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  transition: all .28s ease; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--brand-500), var(--brand-700));
  transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #D2E2F2; }
.card:hover::before { transform: scaleY(1); }

.card-icon {
  width: 52px; height: 52px; border-radius: 13px;
  background: linear-gradient(135deg, var(--brand-50), var(--brand-100));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--brand-600);
  border: 1px solid #D8E8F7;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-500); line-height: 1.85; }
.card-tag {
  display: inline-block; margin-top: 16px; padding: 4px 11px;
  background: var(--brand-50); color: var(--brand-600);
  border-radius: 6px; font-size: 12px; font-weight: 600;
}

/* --------------------------------------------------------------------------
   业务板块
   -------------------------------------------------------------------------- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.biz-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: all .3s ease; display: flex; flex-direction: column;
}
.biz-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: transparent; }

.biz-head {
  padding: 26px 26px 20px;
  background: linear-gradient(140deg, var(--brand-800), var(--brand-600));
  color: #fff; position: relative; overflow: hidden;
}
.biz-head::after {
  content: ""; position: absolute; right: -30px; top: -30px;
  width: 130px; height: 130px; border-radius: 50%;
  background: rgba(255,255,255,.07);
}
.biz-card:nth-child(2n) .biz-head { background: linear-gradient(140deg, #123E77, #1E7BC8); }
.biz-card:nth-child(3n) .biz-head { background: linear-gradient(140deg, #0B2E5C, #2C6FA8); }
.biz-card:nth-child(4n) .biz-head { background: linear-gradient(140deg, #0F3A6B, #17538F); }
.biz-card:nth-child(5n) .biz-head { background: linear-gradient(140deg, #1A5497, #3E9BE0); }
.biz-card:nth-child(6n) .biz-head { background: linear-gradient(140deg, #0F3A6B, #17538F); }

.biz-head-icon {
  width: 44px; height: 44px; border-radius: 11px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.22);
  display: flex; align-items: center; justify-content: center; margin-bottom: 15px;
}
.biz-head-icon svg { width: 23px; height: 23px; }
.biz-head h3 { color: #fff; font-size: 18.5px; margin-bottom: 6px; position: relative; }
.biz-head .biz-sub { font-size: 12.5px; color: rgba(255,255,255,.72); letter-spacing: .6px; position: relative; }

.biz-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.biz-body > p { font-size: 14.5px; color: var(--ink-500); line-height: 1.85; margin-bottom: 18px; }

/* 业务卡配图 */
.biz-thumb {
  position: relative; height: 168px; overflow: hidden;
  background: var(--brand-50);
}
.biz-thumb picture { display: block; width: 100%; height: 100%; }
.biz-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.biz-card:hover .biz-thumb img { transform: scale(1.06); }
.biz-thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,37,71,0) 45%, rgba(10,37,71,.28) 100%);
}

/* 内页板块横幅 */
.sec-banner {
  position: relative; height: 300px; border-radius: var(--radius);
  overflow: hidden; margin-bottom: 34px;
  box-shadow: var(--shadow-sm);
}
.sec-banner picture { display: block; width: 100%; height: 100%; }
.sec-banner img { width: 100%; height: 100%; object-fit: cover; }
.sec-banner::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,37,71,.5) 0%, rgba(10,37,71,.16) 55%, rgba(10,37,71,0) 100%);
}

.biz-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.biz-list li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: 14px; color: var(--ink-700); line-height: 1.6;
}
.biz-list svg { width: 15px; height: 15px; color: var(--brand-500); flex-shrink: 0; margin-top: 4px; }

.biz-link {
  margin-top: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: var(--brand-600);
}
.biz-link svg { width: 15px; height: 15px; transition: transform .25s ease; }
.biz-card:hover .biz-link svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   转型时间轴
   -------------------------------------------------------------------------- */
.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 27px; height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,.14), rgba(200,164,92,.55), rgba(255,255,255,.14));
}
.tl-item { position: relative; padding-top: 68px; }
.tl-dot {
  position: absolute; top: 18px; left: 0;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--gold-500); border: 3.5px solid var(--brand-800);
  box-shadow: 0 0 0 4px rgba(200,164,92,.22);
}
.tl-year {
  display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: 1.5px;
  color: var(--gold-300); margin-bottom: 8px;
}
.tl-item h4 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.tl-item p { font-size: 13.8px; color: rgba(255,255,255,.62); line-height: 1.8; }

/* --------------------------------------------------------------------------
   数字条
   -------------------------------------------------------------------------- */
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.number-item {
  text-align: center; padding: 34px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: all .28s ease;
}
.number-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #D2E2F2; }
.number-item b.num-txt { font-size: 26px; letter-spacing: 1px; background: none; -webkit-background-clip: initial; background-clip: initial; color: var(--gold-600); }
.number-item b {
  display: block; font-size: 44px; font-weight: 800; letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.1;
}
.number-item b span { font-size: 21px; }
.number-item em { display: block; font-style: normal; font-size: 14.5px; color: var(--ink-700); font-weight: 600; margin-top: 8px; }
.number-item small { display: block; font-size: 12.5px; color: var(--ink-400); margin-top: 4px; }

/* --------------------------------------------------------------------------
   企联会 / 品牌背书
   -------------------------------------------------------------------------- */
.assoc-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.assoc-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: 100px;
  background: var(--gold-50); border: 1px solid var(--gold-300);
  color: var(--gold-600); font-weight: 700; font-size: 14px; margin-bottom: 22px;
}
.assoc-badge svg { width: 18px; height: 18px; }

.assoc-quote {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 40px; box-shadow: var(--shadow);
  position: relative;
}
.assoc-quote::before {
  content: "\201C"; position: absolute; top: 6px; left: 26px;
  font-size: 92px; color: var(--brand-100); font-family: Georgia, serif; line-height: 1;
}
.assoc-quote p { font-size: 17.5px; color: var(--ink-700); line-height: 1.95; position: relative; font-weight: 500; }
.assoc-quote footer {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-400); display: flex; align-items: center; gap: 10px;
}
.assoc-quote footer b { color: var(--brand-700); font-weight: 700; }

.assoc-points { display: flex; flex-direction: column; gap: 18px; margin-top: 30px; }
.assoc-point { display: flex; gap: 14px; align-items: flex-start; }
.assoc-point-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: var(--brand-50); color: var(--brand-600);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid #D8E8F7;
}
.assoc-point-icon svg { width: 20px; height: 20px; }
.assoc-point h4 { font-size: 15.5px; margin-bottom: 4px; }
.assoc-point p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

/* --------------------------------------------------------------------------
   动态 / 新闻
   -------------------------------------------------------------------------- */
.news-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.nf-chip {
  padding: 8px 18px; border-radius: 100px;
  border: 1px solid var(--line); background: #fff;
  font-size: 14px; font-weight: 600; color: var(--ink-500);
  transition: all .2s ease;
}
.nf-chip:hover { border-color: var(--brand-400); color: var(--brand-600); }
.nf-chip.active {
  background: linear-gradient(135deg, var(--brand-700), var(--brand-600));
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(13, 95, 150, .24);
}

.news-list { display: flex; flex-direction: column; gap: 18px; }

.news-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 32px; transition: all .26s ease;
  position: relative; overflow: hidden;
}
.news-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--brand-500), var(--brand-800));
  transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #D2E2F2; }
.news-item:hover::before { transform: scaleY(1); }

.news-cover { margin: -28px -32px 22px; }
.news-cover img { width: 100%; height: 240px; object-fit: cover; }

.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat {
  display: inline-block; padding: 4px 11px; border-radius: 6px;
  background: var(--brand-50); color: var(--brand-700);
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
}
.news-meta time { font-size: 13px; color: var(--ink-400); }

.news-item h3 { font-size: 20px; margin-bottom: 10px; line-height: 1.45; }
.news-item h3 a { transition: color .2s ease; }
.news-item h3 a:hover { color: var(--brand-600); }
.news-item > .news-body > p { font-size: 15px; color: var(--ink-500); line-height: 1.85; margin-bottom: 16px; }

.news-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: var(--brand-600);
}
.news-more svg { width: 15px; height: 15px; transition: transform .25s ease; }
.news-more:hover svg { transform: translateX(4px); }

.news-empty {
  text-align: center; padding: 70px 20px; color: var(--ink-400);
  border: 1px dashed var(--line); border-radius: var(--radius); background: #fff;
}
.news-empty svg { width: 44px; height: 44px; margin-bottom: 14px; opacity: .5; }
.news-empty p { font-size: 15px; }

/* 首页动态区 */
.home-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hn-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: all .28s ease;
  display: flex; flex-direction: column;
}
.hn-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #D2E2F2; }
.hn-date { font-size: 12.5px; color: var(--ink-400); letter-spacing: .5px; margin-bottom: 10px; }
.hn-card h3 { font-size: 17px; line-height: 1.55; margin-bottom: 10px; }
.hn-card h3 a { transition: color .2s ease; }
.hn-card h3 a:hover { color: var(--brand-600); }
.hn-card p { font-size: 14px; color: var(--ink-500); line-height: 1.8; margin-bottom: 18px; }
.hn-card .news-more { margin-top: auto; }

/* 文章详情 */
.article { max-width: 820px; margin: 0 auto; }
.article-head { margin-bottom: 28px; }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.article-back {
  font-size: 13.5px; color: var(--ink-400); transition: color .2s ease;
  padding-right: 12px; border-right: 1px solid var(--line);
}
.article-back:hover { color: var(--brand-600); }
.article-meta time { font-size: 13px; color: var(--ink-400); }
.article-head h1 { font-size: 34px; line-height: 1.4; letter-spacing: -.4px; }

.article-cover { margin: 0 0 30px; border-radius: var(--radius); overflow: hidden; }
.article-cover img { width: 100%; }

.article-content { font-size: 16.5px; line-height: 2; color: var(--ink-700); }
.article-content p { margin-bottom: 18px; }
.article-content h2 { font-size: 22px; margin: 32px 0 14px; }
.article-content h3 { font-size: 18px; margin: 26px 0 12px; }
.article-content strong { color: var(--ink-900); font-weight: 700; }
.article-content a { color: var(--brand-600); text-decoration: underline; text-underline-offset: 3px; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; }
.article-content li { margin-bottom: 8px; }
.article-content img {
  border-radius: var(--radius-sm); margin: 8px 0 20px;
  width: 100%; height: auto; display: block;
  box-shadow: var(--shadow-sm);
}
.article-content figure { margin: 0 0 24px; }
.article-content figure img { margin: 0; }
.article-content figcaption {
  font-size: 13px; color: var(--ink-400); text-align: center;
  margin-top: 10px; line-height: 1.6;
}
.article-content blockquote {
  margin: 0 0 20px; padding: 16px 20px;
  background: var(--brand-50); border-left: 3px solid var(--brand-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-700);
}

.article-nav { max-width: 820px; margin: 40px auto 0; padding-top: 30px; border-top: 1px solid var(--line); }

.article-notfound { text-align: center; padding: 70px 20px; }
.article-notfound h2 { font-size: 24px; margin-bottom: 10px; }
.article-notfound p { color: var(--ink-500); }

/* --------------------------------------------------------------------------
   业务主体卡（business.html 顶部导航）
   -------------------------------------------------------------------------- */
.entity-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .28s ease; box-shadow: var(--shadow-sm);
}
.entity-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.entity-head { padding: 16px 18px 13px; border-bottom: 1px solid var(--line); }
.entity-tag {
  display: inline-block; padding: 6px 14px; border-radius: 7px;
  color: #fff; font-size: 14.5px; font-weight: 800; letter-spacing: 1px;
}
.entity-list { padding: 10px 8px 12px; }
.entity-list li { border-radius: 7px; }
.entity-list a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: 7px;
  font-size: 14px; font-weight: 600; color: var(--ink-700);
  transition: all .18s ease;
}
.entity-list a::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--brand-400); flex-shrink: 0; transition: background .2s ease;
}
.entity-list a:hover { background: var(--brand-50); color: var(--brand-600); }
.entity-list a:hover::before { background: var(--gold-500); }

/* --------------------------------------------------------------------------
   竖向流程（数字化服务交付路径）
   -------------------------------------------------------------------------- */
.flow-col { display: flex; flex-direction: column; gap: 12px; }
.flow-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px; position: relative; transition: all .22s ease;
}
.flow-item:hover { border-color: var(--brand-400); box-shadow: var(--shadow-sm); }
.flow-item b {
  display: block; font-size: 15.5px; color: var(--brand-700); margin-bottom: 5px;
  padding-left: 16px; position: relative;
}
.flow-item b::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand-600);
}
.flow-item span { display: block; font-size: 13.5px; color: var(--ink-500); line-height: 1.7; padding-left: 16px; }

/* --------------------------------------------------------------------------
   合作品牌
   -------------------------------------------------------------------------- */
.partner-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.partner-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 30px; text-align: center; transition: all .3s ease; position: relative; overflow: hidden;
}
.partner-item::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand-600), var(--gold-500));
  transform: scaleX(0); transition: transform .35s ease;
}
.partner-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.partner-item:hover::before { transform: scaleX(1); }
.partner-name {
  font-size: 27px; font-weight: 800; letter-spacing: 3px; color: var(--ink-brand);
  margin-bottom: 12px; line-height: 1.3;
}
.partner-desc { font-size: 13.6px; color: var(--ink-500); line-height: 1.8; }

/* 卡片内的品牌徽章 */
.brand-partners { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 20px; }
.brand-partners .bp {
  display: inline-flex; align-items: center; padding: 7px 15px;
  border-radius: 7px; background: var(--brand-50); color: var(--brand-700);
  font-size: 13.5px; font-weight: 700; letter-spacing: 1px;
  border: 1px solid #D5E6F5;
}

/* --------------------------------------------------------------------------
   子公司矩阵
   -------------------------------------------------------------------------- */
.sub-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sub-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 26px 22px; text-align: center; transition: all .28s ease;
}
.sub-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--brand-400); }
.sub-logo {
  width: 50px; height: 50px; border-radius: 12px; margin: 0 auto 15px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; letter-spacing: .5px; color: #fff;
}
.sub-item h4 { font-size: 15.5px; margin-bottom: 7px; }
.sub-item p { font-size: 12.8px; color: var(--ink-500); line-height: 1.65; }

/* --------------------------------------------------------------------------
   价值观
   -------------------------------------------------------------------------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 30px 24px;
  transition: all .28s ease; text-align: center;
}
.value-card:hover { background: rgba(255,255,255,.1); transform: translateY(-6px); border-color: rgba(200,164,92,.4); }
.value-card .v-idx {
  font-size: 34px; font-weight: 800; color: rgba(200,164,92,.28);
  line-height: 1; margin-bottom: 14px; letter-spacing: -1px;
}
.value-card h4 { color: #fff; font-size: 17px; margin-bottom: 9px; }
.value-card p { font-size: 13.5px; color: rgba(255,255,255,.6); line-height: 1.75; }

/* --------------------------------------------------------------------------
   页头（内页）
   -------------------------------------------------------------------------- */
.page-head {
  background:
    radial-gradient(900px 500px at 82% 10%, rgba(30,123,200,.35), transparent 60%),
    linear-gradient(150deg, #071E3F, #0B2E5C 70%, #164A85);
  color: #fff; padding: 74px 0 78px; position: relative; overflow: hidden;
}
.page-head::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 78% 26%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 78% 26%, #000, transparent 72%);
}
.page-head .wrap { position: relative; z-index: 2; }
.crumb { font-size: 13.5px; color: rgba(255,255,255,.55); margin-bottom: 16px; display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }
.crumb a:hover { color: var(--gold-300); }
.crumb span { opacity: .5; }
.page-head h1 { font-size: 42px; color: #fff; letter-spacing: -.5px; margin-bottom: 14px; }
.page-head .ph-lead { font-size: 16.5px; color: rgba(255,255,255,.72); max-width: 660px; line-height: 1.85; }

/* --------------------------------------------------------------------------
   内容组件
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.split-text h2 { font-size: 32px; margin-bottom: 18px; letter-spacing: -.4px; }
.split-text p { font-size: 15.5px; color: var(--ink-500); line-height: 1.95; margin-bottom: 16px; }

.check-list { display: flex; flex-direction: column; gap: 13px; margin-top: 24px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.7; }
.check-list .ck {
  width: 21px; height: 21px; border-radius: 6px; flex-shrink: 0; margin-top: 3px;
  background: var(--brand-50); border: 1px solid #CFE3F6; color: var(--brand-600);
  display: flex; align-items: center; justify-content: center;
}
.check-list .ck svg { width: 12px; height: 12px; }

/* 面板 */
.panel {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm);
}
.panel-title {
  font-size: 18px; margin-bottom: 20px; padding-bottom: 15px;
  border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px;
}
.panel-title svg { width: 20px; height: 20px; color: var(--brand-600); }

/* 流程步骤 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 26px 22px; position: relative; transition: all .26s ease;
}
.step:hover { border-color: var(--brand-400); box-shadow: var(--shadow-sm); }
.step-num {
  width: 34px; height: 34px; border-radius: 9px; margin-bottom: 15px;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-500)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.6px; color: var(--ink-500); line-height: 1.75; }

/* 服务条目 */
.svc-list { display: flex; flex-direction: column; gap: 14px; }
.svc-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 24px; display: flex; gap: 16px; align-items: flex-start;
  transition: all .24s ease;
}
.svc-item:hover { border-color: var(--brand-400); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.svc-item .svc-icon {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand-50), var(--brand-100));
  border: 1px solid #D8E8F7; color: var(--brand-600);
  display: flex; align-items: center; justify-content: center;
}
.svc-item .svc-icon svg { width: 21px; height: 21px; }
.svc-item h4 { font-size: 16px; margin-bottom: 6px; }
.svc-item p { font-size: 14px; color: var(--ink-500); line-height: 1.75; }

/* --------------------------------------------------------------------------
   联系页
   -------------------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }

.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; display: flex; flex-direction: column; gap: 22px;
  box-shadow: var(--shadow-sm);
}
.ct-row { display: flex; gap: 15px; align-items: flex-start; }
.ct-icon {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand-50), var(--brand-100));
  border: 1px solid #D8E8F7; color: var(--brand-600);
  display: flex; align-items: center; justify-content: center;
}
.ct-icon svg { width: 20px; height: 20px; }
.ct-row h4 { font-size: 14px; color: var(--ink-400); font-weight: 600; margin-bottom: 3px; letter-spacing: .5px; }
.ct-row p, .ct-row a { font-size: 16px; color: var(--ink-900); font-weight: 600; line-height: 1.6; }
.ct-row a:hover { color: var(--brand-600); }

.map-frame {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); background: #fff;
}
.map-frame iframe { width: 100%; height: 380px; border: 0; display: block; }

/* 静态地图卡片（无需第三方 API key） */
.map-static { display: flex; flex-direction: column; }
.map-canvas { position: relative; height: 340px; overflow: hidden; background: #EAF2FA; }
.map-art { width: 100%; height: 100%; display: block; }
.map-pin-label {
  position: absolute; left: 50%; top: 140px; transform: translate(-50%, -50%);
  background: #fff; border-radius: 10px; padding: 10px 18px;
  box-shadow: 0 8px 26px rgba(11,46,92,.22); text-align: center; white-space: nowrap;
  border: 1px solid #D8E8F7;
}
.map-pin-label b { display: block; font-size: 15px; color: var(--brand-800); font-weight: 800; letter-spacing: .5px; }
.map-pin-label span { display: block; font-size: 12.5px; color: var(--ink-500); margin-top: 2px; }
.map-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap;
  padding: 24px 28px; border-top: 1px solid var(--line); background: #fff;
}
.map-info b { display: block; font-size: 15.5px; color: var(--ink-900); font-weight: 700; margin-bottom: 5px; }
.map-info span { font-size: 13.5px; color: var(--ink-400); }

.form-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.form-panel h3 { font-size: 21px; margin-bottom: 8px; }
.form-panel > p { font-size: 14px; color: var(--ink-500); margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-700); }
.field label i { color: #D0453B; font-style: normal; margin-left: 3px; }
.field input, .field textarea, .field select {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14.5px; color: var(--ink-900); background: #FBFCFE;
  transition: all .2s ease; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand-400); background: #fff;
  box-shadow: 0 0 0 3px rgba(30,123,200,.1);
}
.field textarea { resize: vertical; min-height: 108px; }
.form-note { font-size: 12.8px; color: var(--ink-400); margin-top: 14px; }

/* --------------------------------------------------------------------------
   CTA 区
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--brand-700), var(--brand-500) 55%, #2C8FD4);
  border-radius: 20px; padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 36px;
  flex-wrap: wrap; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.07);
}
.cta-band h2 { color: #fff; font-size: 30px; margin-bottom: 10px; letter-spacing: -.4px; }
.cta-band p { color: rgba(255,255,255,.82); font-size: 15.5px; max-width: 560px; }
.cta-band .btn { position: relative; z-index: 2; }

/* --------------------------------------------------------------------------
   页脚
   -------------------------------------------------------------------------- */
.footer { background: var(--brand-900); color: rgba(255,255,255,.6); padding: 66px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 46px; }
.footer-brand .logo-cn { color: #fff; }
.footer-brand .logo-en { color: rgba(255,255,255,.4); }
.footer-brand p { font-size: 13.6px; line-height: 1.85; margin: 18px 0 22px; max-width: 320px; }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .5px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: rgba(255,255,255,.6); transition: all .2s ease; font-size: 13.8px; }
.footer-links a:hover { color: var(--gold-300); padding-left: 4px; }
.footer-contact li { margin-bottom: 13px; display: flex; gap: 9px; line-height: 1.7; }
.footer-contact svg { width: 15px; height: 15px; color: var(--gold-500); flex-shrink: 0; margin-top: 4px; }
.footer-contact a:hover { color: var(--gold-300); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-size: 12.8px; color: rgba(255,255,255,.42);
}
.footer-bottom a:hover { color: var(--gold-300); }

/* --------------------------------------------------------------------------
   工具类
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-40 { margin-top: 40px; } .mt-56 { margin-top: 56px; }
.mb-0 { margin-bottom: 0; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.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;
}

/* 滚动出现动画 —— 仅在 JS 成功执行（html.js-reveal）时才隐藏，
   否则内容始终可见，兼顾可读性与 SEO */
.js-reveal .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js-reveal .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 46px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4, .sub-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .steps.cols-4, .grid.cols-4, .timeline.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .partner-row { grid-template-columns: repeat(3, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 30px 22px; }
  .timeline::before { display: none; }
  .tl-item { padding-top: 0; }
  .tl-dot { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .topbar { height: auto; padding: 7px 0; }
  .topbar .wrap { justify-content: center; }
  .topbar-items { gap: 8px 14px; font-size: 11.5px; line-height: 1.5; }
  .topbar .tb-hide { display: none; }

  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 14px 20px 26px; gap: 2px;
    box-shadow: var(--shadow); border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .32s ease;
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 13px 14px; }
  .nav-links a.nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
  .nav-toggle { display: flex; }

  .section { padding: 54px 0; }
  .section--tight { padding: 42px 0; }

  /* --- Hero:压缩首屏占用,让业务内容尽早露出 --- */
  .hero { padding: 44px 0 40px; }
  .hero-inner { gap: 34px; }
  .hero-tag { padding: 6px 14px; font-size: 12px; margin-bottom: 18px; }
  .hero h1 { font-size: 26px; line-height: 1.32; letter-spacing: -.3px; margin-bottom: 10px; }
  .hero h1 .accent { font-size: 20px; line-height: 1.42; margin-top: 4px; }
  .hero-slogan { font-size: 13px; letter-spacing: 5px; margin-bottom: 16px; }
  .hero-lead {
    font-size: 14.5px; line-height: 1.88; margin-bottom: 26px;
    color: rgba(255,255,255,.84);
  }
  .hero-actions { gap: 10px; margin-bottom: 34px; }
  .hero-actions .btn {
    flex: 1; min-width: 0; padding: 13px 12px; font-size: 14.5px;
  }

  /* 数据带:2x2,数字更醒目 */
  .hero-stats { grid-template-columns: repeat(2, 1fr); border-radius: 12px; }
  .hero-stat { padding: 16px 10px; }
  .hero-stat b { font-size: 26px; }
  .hero-stat em { font-size: 11.5px; margin-top: 4px; }

  /* 成员企业卡:紧凑化 */
  .hero-card { padding: 18px; border-radius: 14px; }
  .hero-card-title { font-size: 11.5px; margin-bottom: 14px; }
  .hero-org { gap: 8px; }
  .hero-org-item { padding: 10px 12px; gap: 10px; }
  .hero-org-item:hover { transform: none; }
  .hero-org-idx { width: 22px; height: 22px; font-size: 11px; border-radius: 6px; }
  .hero-org-item strong { font-size: 13.5px; }
  .hero-org-item small { font-size: 11px; }

  .sec-title { font-size: 23px; line-height: 1.35; }
  .sec-desc { font-size: 14.5px; line-height: 1.8; color: var(--ink-500); }
  .sec-head { margin-bottom: 34px; }
  .eyebrow { font-size: 11.5px; letter-spacing: 1.8px; margin-bottom: 12px; }

  /* 深色区块:移动端提升文字对比度 */
  .section--dark, .section--brand { color: rgba(255,255,255,.8); }
  .section--dark .sec-desc, .section--brand .sec-desc { color: rgba(255,255,255,.76); }
  .tl-item p { color: rgba(255,255,255,.72); }
  .value-card p { color: rgba(255,255,255,.72); }
  .cta-band p { color: rgba(255,255,255,.86); }

  .page-head { padding: 40px 0 44px; }
  .page-head h1 { font-size: 26px; }
  .page-head .ph-lead { font-size: 14.5px; }

  .biz-grid, .grid-2, .grid-3, .grid-4,
  .sub-grid, .value-grid, .numbers, .steps,
  .cols-2, .cols-3, .cols-4, .partner-row, .home-news,
  .steps.cols-2, .steps.cols-3, .steps.cols-4,
  .grid.cols-2, .grid.cols-3, .grid.cols-4,
  .timeline.cols-2, .timeline.cols-3, .timeline.cols-4,
  .split, .assoc-layout, .contact-layout { grid-template-columns: 1fr; }

  .biz-card { padding: 0; }
  .biz-head { padding: 20px 20px 16px; }
  .biz-head-icon { width: 40px; height: 40px; margin-bottom: 12px; }
  .biz-head-icon svg { width: 21px; height: 21px; }
  .biz-head h3 { font-size: 17px; }
  .biz-thumb { height: 150px; }
  .biz-body { padding: 20px; }
  .biz-body > p { font-size: 14px; margin-bottom: 14px; }
  .biz-list li { font-size: 13.5px; }

  .sec-banner { height: 190px; border-radius: 12px; margin-bottom: 22px; }

  .card { padding: 22px; }
  .card h3 { font-size: 17px; }
  .card p { font-size: 14px; }

  .panel { padding: 22px; }
  .panel-title { font-size: 16.5px; margin-bottom: 16px; padding-bottom: 13px; }
  .check-list li { font-size: 14px; }

  .step { padding: 20px 18px; }
  .step h4 { font-size: 15.5px; }

  .svc-item { padding: 18px; gap: 12px; }
  .svc-item h4 { font-size: 15px; }
  .svc-item p { font-size: 13.5px; }

  .number-item { padding: 24px 14px; }
  .number-item b { font-size: 30px; }
  .number-item em { font-size: 13.5px; }
  .number-item small { font-size: 12px; }

  .sub-item { padding: 22px 16px; }
  .sub-item h4 { font-size: 15px; }
  .sub-item p { font-size: 12.5px; }

  .partner-item { padding: 26px 20px; }
  .partner-name { font-size: 22px; letter-spacing: 2px; }
  .partner-desc { font-size: 13px; }

  .value-card { padding: 24px 18px; }
  .value-card h4 { font-size: 16px; }
  .value-card p { font-size: 13px; }

  .assoc-quote { padding: 26px 20px; }
  .assoc-quote::before { font-size: 60px; left: 18px; }
  .assoc-quote p { font-size: 15.5px; line-height: 1.9; }
  .assoc-quote footer { font-size: 12.5px; }

  .timeline { gap: 22px; }
  .tl-year { font-size: 12px; }
  .tl-item h4 { font-size: 16px; }
  .tl-item p { font-size: 13.5px; }

  /* 动态区 */
  .news-item { padding: 22px 20px; }
  .news-cover { margin: -22px -20px 18px; }
  .news-cover img { height: 180px; }
  .news-item h3 { font-size: 17px; }
  .news-item > .news-body > p { font-size: 14px; }
  .hn-card { padding: 22px 20px; }
  .hn-card h3 { font-size: 16px; }
  .hn-card p { font-size: 13.5px; }

  /* 文章详情 */
  .article-head h1 { font-size: 23px; line-height: 1.42; }
  .article-content { font-size: 15.5px; line-height: 1.95; }
  .article-content h2 { font-size: 19px; }
  .article-content h3 { font-size: 16.5px; }

  .cta-band { padding: 30px 22px; }
  .cta-band h2 { font-size: 21px; }
  .cta-band p { font-size: 14.5px; }
  .cta-band .btn { width: 100%; }

  /* 表单 */
  .form-panel { padding: 24px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 14px; }
  .field input, .field textarea, .field select { font-size: 16px; /* 防 iOS 聚焦缩放 */ padding: 13px 14px; }
  .contact-card { padding: 22px; gap: 20px; }
  .ct-row p, .ct-row a { font-size: 15px; }
  .map-canvas { height: 260px; }
  .map-foot { padding: 18px 20px; gap: 16px; }
  .map-info b { font-size: 14.5px; }
  .map-info span { font-size: 12.5px; }
  .map-pin-label { padding: 8px 14px; }
  .map-pin-label b { font-size: 13.5px; }
  .map-pin-label span { font-size: 11.5px; }

  .footer { padding-top: 46px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 10px; font-size: 12px; }
  .footer-brand p { font-size: 13px; }
}

@media (max-width: 460px) {
  .wrap { padding: 0 18px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .logo-cn { font-size: 17px; }
  .hero h1 { font-size: 24px; }
  .hero h1 .accent { font-size: 19px; }
  .hero-lead { font-size: 14px; }
  .hero-stat b { font-size: 23px; }
  .hero-stat em { font-size: 11px; }
  .sec-title { font-size: 21px; }
  .partner-name { font-size: 20px; }
  .article-head h1 { font-size: 21px; }
  .brand-partners .bp { font-size: 12.5px; padding: 6px 12px; }
}

/* --------------------------------------------------------------------------
   iOS 安全区适配（刘海屏 / 底部横条）
   -------------------------------------------------------------------------- */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer-bottom { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
}

/* --------------------------------------------------------------------------
   减少动效偏好
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   打印样式
   -------------------------------------------------------------------------- */
@media print {
  .nav, .topbar, .hero-actions, .cta-band, .footer, .news-filter { display: none !important; }
  body { background: #fff; color: #000; }
  .hero, .section--dark, .section--brand {
    background: #fff !important; color: #000 !important;
  }
  .hero h1, .hero h1 .accent, .sec-title, .card h3, .tl-item h4 { color: #000 !important; }
  .hero-stats { border-color: #ccc; }
  .hero-stat b { color: #000; }
  .card, .panel { box-shadow: none; border-color: #ccc; break-inside: avoid; }
}