/* =========================================================
   邦安生物 BIOAN® 官网样式 · 国际品牌升级版
   调性：现代生物科技品牌（大留白 · 克制绿金 · 玻璃拟态 · 微动效）
   字体：Sora（拉丁/数字，几何无衬线） + PingFang/雅黑（中文）
   ========================================================= */

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌绿 */
  --green-950: #0a261d;
  --green-900: #0f3528;
  --green-800: #154a39;
  --green-700: #1c6450;
  --green-600: #27805f;
  --green-500: #34a377;
  --green-300: #7fd1a8;
  --green-100: #e2efe8;
  /* 大地金 */
  --gold: #d8b06a;
  --gold-soft: #f1e3c5;
  --gold-deep: #a8854a;
  /* 中性 */
  --bg: #fbfaf6;
  --bg-2: #f4f1e8;
  --ink: #15201b;
  --muted: #5d6b63;
  --line: #e7e1d3;
  --white: #ffffff;
  /* 形状 */
  --r: 18px;
  --r-lg: 28px;
  --r-sm: 12px;
  --r-pill: 999px;
  /* 阴影（多层柔和） */
  --sh-1: 0 1px 2px rgba(15,53,40,.05), 0 4px 14px rgba(15,53,40,.06);
  --sh-2: 0 4px 12px rgba(15,53,40,.07), 0 18px 40px rgba(15,53,40,.10);
  --sh-3: 0 10px 24px rgba(15,53,40,.10), 0 30px 70px rgba(15,53,40,.16);
  --maxw: 1200px;
  --font: "Sora", "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.78;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* 细腻的背景纹理：点在暖白上营造高级纸张感 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(15,53,40,.045) 1px, transparent 1.4px);
  background-size: 26px 26px;
  opacity: .5;
}

/* ---------- 通用排版 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; letter-spacing: .26em; text-transform: uppercase;
  font-weight: 700; color: var(--gold-deep);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.section-title {
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.18; font-weight: 800; letter-spacing: -.02em;
  color: var(--green-900);
}
.section-sub {
  margin-top: 16px; color: var(--muted); font-size: 17px;
  max-width: 720px; line-height: 1.7;
}
.section { padding: 108px 0; position: relative; z-index: 1; }
.section.alt { background: var(--bg-2); }
.section.dark {
  background:
    radial-gradient(900px 500px at 85% -20%, rgba(52,163,119,.35), transparent 60%),
    linear-gradient(160deg, var(--green-950), var(--green-800));
  color: var(--bg);
}
.section.dark .section-title { color: var(--white); }
.section.dark .section-sub { color: rgba(255,255,255,.82); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 28px; border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px; cursor: pointer;
  border: 1.5px solid transparent; white-space: nowrap;
  transition: transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s, background .22s, color .22s;
}
.btn svg { width: 17px; height: 17px; transition: transform .22s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: linear-gradient(135deg, var(--gold), #c79a52); color: #2a1d06; box-shadow: var(--sh-1); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(168,133,74,.4); }
.btn-ghost { background: transparent; color: var(--green-700); border-color: rgba(39,128,95,.4); }
.btn-ghost:hover { background: var(--green-100); border-color: var(--green-500); }
.btn-light { background: var(--white); color: var(--green-900); box-shadow: var(--sh-1); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }
.btn-outline-light { background: rgba(255,255,255,.06); color: var(--white); border-color: rgba(255,255,255,.45); backdrop-filter: blur(6px); }
.btn-outline-light:hover { background: rgba(255,255,255,.14); }
.btn-dark { background: var(--green-900); color: #fff; box-shadow: var(--sh-1); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,250,246,.72);
  backdrop-filter: saturate(170%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: var(--sh-1); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; color: var(--green-900); font-size: 19px; }
.brand .brand-logo {
  width: 40px; height: 40px; border-radius: 50%; object-fit: contain; flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15,53,40,.18);
}
.brand small { display: block; font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .2em; }
.nav-links { display: flex; gap: 2px; align-items: center; }
.nav-links a {
  position: relative; padding: 9px 15px; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 500; color: var(--muted);
  transition: background .18s, color .18s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 5px; height: 2px;
  background: var(--green-500); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .22s cubic-bezier(.2,.8,.2,1);
}
.nav-links a:hover { background: var(--green-100); color: var(--green-900); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { margin-left: 12px; }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; color: var(--green-900); cursor: pointer; }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 620px at 82% -12%, rgba(52,163,119,.42), transparent 58%),
    radial-gradient(700px 480px at 12% 8%, rgba(216,176,106,.18), transparent 60%),
    linear-gradient(165deg, var(--green-950) 0%, var(--green-900) 48%, var(--green-800) 100%);
  color: var(--bg);
}
/* 点阵 + 网格纹理叠加 */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
  opacity: .5;
}
.hero .container { position: relative; z-index: 3; padding-top: 104px; padding-bottom: 0; }
.hero h1 {
  font-size: clamp(40px, 6.4vw, 78px); line-height: 1.05;
  font-weight: 800; letter-spacing: -.03em; color: var(--white);
}
.hero h1 .accent {
  background: linear-gradient(100deg, var(--gold) 10%, #f0d9a6 90%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .subtitle {
  margin-top: 24px; font-size: clamp(17px, 2vw, 21px);
  color: rgba(255,255,255,.86); max-width: 660px; line-height: 1.7;
}
.hero .hero-actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-svg { position: absolute; right: -30px; bottom: -10px; width: 480px; opacity: .9; z-index: 2; }

/* 玻璃拟态浮动数据卡 */
.hero-float {
  position: absolute; z-index: 4; display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; border-radius: 18px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(12px); box-shadow: 0 18px 44px rgba(0,0,0,.28);
  animation: floaty 6s ease-in-out infinite;
}
.hero-float .hf-ic {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 22px;
  background: linear-gradient(135deg, var(--gold), #c79a52); color: #2a1d06;
}
.hero-float .hf-lbl { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.3; }
.hero-float .hf-num { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -.01em; }
.hero-float.a { top: 150px; right: 4%; }
.hero-float.b { bottom: 188px; right: 30%; animation-delay: 1.8s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* 数据横条 */
.data-bar {
  position: relative; z-index: 3; margin-top: 70px;
  background: rgba(255,255,255,.06); border-top: 1px solid rgba(255,255,255,.12);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
}
.data-bar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding-top: 30px; padding-bottom: 30px; }
.data-item { text-align: center; position: relative; }
.data-item + .data-item::before {
  content: ""; position: absolute; left: -7px; top: 14px; bottom: 14px; width: 1px;
  background: rgba(255,255,255,.14);
}
.data-item .num { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; color: var(--gold); letter-spacing: -.01em; }
.data-item .lbl { font-size: 14px; color: rgba(255,255,255,.78); margin-top: 4px; }

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

.card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); padding: 30px; box-shadow: var(--sh-1);
  transition: transform .26s cubic-bezier(.2,.8,.2,1), box-shadow .26s, border-color .26s;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--green-500), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .3s cubic-bezier(.2,.8,.2,1);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: rgba(39,128,95,.3); }
.card:hover::after { transform: scaleX(1); }
.card h3 { color: var(--green-900); font-size: 20px; margin-bottom: 10px; letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: 15px; }
.card .ico {
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 18px;
  display: grid; place-items: center; font-size: 22px;
  background: var(--green-100); color: var(--green-700);
}

/* 双菌图解 */
.strain {
  position: relative; overflow: hidden; border-radius: var(--r-lg);
  padding: 34px 32px 32px; color: var(--white);
  border: 1px solid rgba(255,255,255,.1);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s;
}
.strain::before {
  content: ""; position: absolute; width: 280px; height: 280px; right: -90px; top: -120px;
  background: radial-gradient(circle, rgba(255,255,255,.16), transparent 70%);
  border-radius: 50%; transition: transform .5s;
}
.strain:hover { transform: translateY(-6px); box-shadow: var(--sh-3); }
.strain:hover::before { transform: scale(1.15); }
.strain.b18 { background: linear-gradient(150deg, #123c2f, #1c6450); }
.strain.g31 { background: linear-gradient(150deg, #0f3528, #27805f); }
.strain .badge {
  width: 64px; height: 64px; border-radius: 20px; margin-bottom: 18px;
  display: grid; place-items: center; font-size: 28px; font-weight: 800;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
}
.strain .role { font-size: 12.5px; letter-spacing: .2em; color: var(--gold); font-weight: 700; text-transform: uppercase; }
.strain .name { font-size: 32px; font-weight: 800; margin: 8px 0 6px; letter-spacing: -.01em; }
.strain .metaphor { font-size: 15px; color: rgba(255,255,255,.88); margin-bottom: 18px; }
.strain .desc { font-size: 15px; color: rgba(255,255,255,.9); line-height: 1.7; }
.strain .tag {
  display: inline-block; margin-top: 18px; padding: 7px 15px; border-radius: var(--r-pill);
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.18);
  font-size: 13px; font-weight: 600;
}

/* 三步/四维 标签 */
.pill-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.pill {
  position: relative; padding: 11px 20px; border-radius: var(--r-pill);
  background: var(--green-100); color: var(--green-900);
  font-weight: 700; font-size: 15px; border: 1px solid transparent;
  transition: transform .2s, background .2s;
}
.pill:hover { transform: translateY(-2px); background: var(--green-300); color: var(--green-950); }
.pill.sand { background: var(--gold-soft); color: var(--gold-deep); }
.pill.sand:hover { background: var(--gold); color: #2a1d06; }

/* 表格 */
.table-wrap { overflow-x: auto; border-radius: var(--r); border: 1px solid var(--line); box-shadow: var(--sh-1); }
table { width: 100%; border-collapse: collapse; background: var(--white); min-width: 560px; }
th, td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
thead th {
  background: linear-gradient(120deg, var(--green-800), var(--green-700));
  color: var(--white); font-weight: 600; font-size: 14px; letter-spacing: .02em;
}
tbody tr { transition: background .18s; }
tbody tr:hover { background: var(--green-100); }
tbody tr:nth-child(even) { background: var(--bg-2); }
tbody tr:nth-child(even):hover { background: var(--green-100); }
tbody tr:last-child td { border-bottom: 0; }
td .stage {
  display: inline-block; font-weight: 700; color: var(--green-800);
  background: var(--green-100); padding: 4px 12px; border-radius: var(--r-pill); font-size: 13.5px;
}

/* 案例 */
.case {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-1);
  display: flex; flex-direction: column; transition: transform .26s, box-shadow .26s;
}
.case:hover { transform: translateY(-6px); box-shadow: var(--sh-3); }
.case .case-head { background: linear-gradient(140deg, var(--green-800), var(--green-600)); color: var(--white); padding: 24px 28px; position: relative; }
.case .case-head::after {
  content: "\201C"; position: absolute; right: 18px; top: -14px; font-family: Georgia, serif;
  font-size: 90px; color: rgba(255,255,255,.14); line-height: 1;
}
.case .case-head .loc { font-size: 12.5px; letter-spacing: .18em; color: var(--gold); font-weight: 700; text-transform: uppercase; }
.case .case-head h3 { font-size: 22px; margin-top: 6px; letter-spacing: -.01em; }
.case .case-body { padding: 26px 28px; flex: 1; }
.case .case-body p { color: var(--muted); font-size: 15px; margin-bottom: 12px; line-height: 1.7; }
.case .case-body .result {
  background: linear-gradient(100deg, var(--green-100), var(--gold-soft));
  color: var(--green-900); border-radius: var(--r-sm); padding: 13px 17px;
  font-weight: 700; font-size: 15px; border-left: 3px solid var(--green-500);
}

/* 时间轴 */
.timeline { position: relative; margin-top: 34px; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(var(--green-500), var(--gold));
}
.tl-item { position: relative; padding: 0 0 30px 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 5px; width: 20px; height: 20px;
  border-radius: 50%; background: var(--gold); border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--gold), 0 4px 12px rgba(168,133,74,.4);
}
.tl-item .year { font-weight: 800; color: var(--green-900); font-size: 20px; letter-spacing: -.01em; }
.tl-item .ev { color: var(--muted); font-size: 15px; }

/* 信条 / 价值观 */
.belief-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 22px; }
.belief {
  position: relative; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm); padding: 18px 20px 18px 52px; font-size: 15px; color: rgba(255,255,255,.92);
}
.belief::before {
  counter-increment: belief; content: counter(belief);
  position: absolute; left: 16px; top: 16px; width: 24px; height: 24px; border-radius: 8px;
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
  background: linear-gradient(135deg, var(--gold), #c79a52); color: #2a1d06;
}
.belief-grid { counter-reset: belief; }

/* 合作伙伴 logo 墙 */
.logo-wall { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }
.logo-chip {
  position: relative; background: rgba(255,255,255,.7); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 18px 26px; font-weight: 700; color: var(--green-700);
  box-shadow: var(--sh-1); font-size: 15px; min-width: 158px; text-align: center;
  transition: transform .22s, box-shadow .22s, background .22s, color .22s, border-color .22s;
}
.logo-chip:hover {
  transform: translateY(-4px); background: var(--green-800); color: #fff;
  border-color: var(--green-800); box-shadow: var(--sh-2);
}

/* 联系 */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; margin-top: 34px; }
.contact-info { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 36px; box-shadow: var(--sh-2); }
.contact-info .row { display: flex; gap: 16px; padding: 15px 0; border-bottom: 1px dashed var(--line); }
.contact-info .row:last-child { border-bottom: 0; }
.contact-info .k { color: var(--gold-deep); font-weight: 700; width: 96px; flex-shrink: 0; }
.contact-info .v { color: var(--ink); }
.contact-card {
  background: linear-gradient(150deg, var(--green-800), var(--green-600)); color: #fff;
  border-radius: var(--r-lg); padding: 36px; box-shadow: var(--sh-2); position: relative; overflow: hidden;
}
.contact-card::before {
  content: ""; position: absolute; width: 220px; height: 220px; right: -70px; bottom: -90px;
  background: radial-gradient(circle, rgba(216,176,106,.4), transparent 70%); border-radius: 50%;
}
.contact-card h3 { font-size: 22px; margin-bottom: 12px; }
.contact-card p { color: rgba(255,255,255,.88); font-size: 15px; line-height: 1.8; }

/* 新闻/大事记 */
.news-card {
  position: relative; border-left: 3px solid var(--gold); background: var(--white);
  border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 20px 24px; box-shadow: var(--sh-1);
  transition: transform .22s, box-shadow .22s;
}
.news-card:hover { transform: translateX(4px); box-shadow: var(--sh-2); }
.news-card .date { font-size: 13px; color: var(--gold-deep); font-weight: 700; letter-spacing: .04em; }
.news-card h4 { color: var(--green-900); margin: 5px 0 7px; font-size: 17px; }

/* 页脚 */
.site-footer { position: relative; z-index: 1; background: var(--green-950); color: rgba(255,255,255,.78); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
.site-footer h4 { color: var(--white); font-size: 16px; margin-bottom: 16px; }
.footer-logo { width: 58px; height: 58px; border-radius: 50%; object-fit: contain; margin-bottom: 12px; background: rgba(255,255,255,.08); padding: 5px; box-shadow: 0 6px 18px rgba(0,0,0,.3); }
.site-footer a { color: rgba(255,255,255,.7); display: block; padding: 6px 0; font-size: 14px; transition: color .18s, padding-left .18s; }
.site-footer a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: rgba(255,255,255,.55); text-align: center; }

/* 滚动浮现动画（含 stagger 错落） */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); transition-delay: calc(var(--i, 0) * .09s); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-float.b { right: 8%; }
}
@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 18px 18px;
    display: none; box-shadow: var(--sh-2);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 10px; }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 10px 0 0; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .data-bar .container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .belief-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-svg { opacity: .25; width: 320px; }
  .hero-float { display: none; }
}

/* ---------- FAQ 常见问题 ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); padding: 22px 26px; box-shadow: var(--sh-1);
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.faq-item:hover { border-color: rgba(39,128,95,.32); box-shadow: var(--sh-2); transform: translateY(-3px); }
.faq-q { color: var(--green-900); font-size: 18px; position: relative; padding-left: 32px; letter-spacing: -.01em; }
.faq-q::before {
  content: "Q"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(135deg, var(--gold), #c79a52); color: #2a1d06;
  display: grid; place-items: center; font-size: 12px; font-weight: 800; font-family: var(--font);
}
.faq-a { color: var(--muted); font-size: 15px; margin-top: 10px; line-height: 1.75; padding-left: 32px; }

/* ---------- 全平台媒体矩阵 / AI 引用覆盖 ---------- */
.matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 38px; }
.matrix-group {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px 22px; box-shadow: var(--sh-1);
}
.matrix-group h3 {
  color: var(--green-900); font-size: 16px; letter-spacing: .02em;
  padding-bottom: 12px; margin-bottom: 14px; border-bottom: 1px dashed var(--line);
  display: flex; align-items: center; gap: 8px;
}
.matrix-group h3::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-500), var(--gold));
}
.matrix-item {
  display: grid; grid-template-columns: 1fr; gap: 3px;
  padding: 12px 14px; margin-bottom: 10px; border-radius: var(--r);
  background: var(--bg); border: 1px solid transparent; transition: .2s;
}
.matrix-item:hover { border-color: rgba(39,128,95,.3); background: #fff; box-shadow: var(--sh-1); transform: translateX(3px); }
.matrix-item:last-child { margin-bottom: 0; }
.m-name { font-weight: 700; color: var(--ink); font-size: 15px; }
.m-acct { font-size: 13px; color: var(--green-700); }
.m-cov { font-size: 12.5px; color: var(--muted); font-family: var(--font); }

/* ---------- 口号 / 数据口径 / 可核验证据 ---------- */
.slogan-pill {
  display: inline-block; margin: 16px 0 4px; padding: 8px 20px;
  font-family: var(--font); font-weight: 700; font-size: 16px; letter-spacing: .12em;
  color: var(--sand); background: rgba(201,168,106,0.12);
  border: 1px solid rgba(201,168,106,0.4); border-radius: 999px;
  backdrop-filter: blur(6px);
}
.data-note {
  max-width: 1080px; margin: 14px auto 0; padding: 0 4px;
  font-size: 12.5px; color: rgba(255,255,255,0.62); text-align: center; line-height: 1.6;
}
.section .data-note { color: var(--muted); }

.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 38px; }
.evidence {
  background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--green-500);
  border-radius: var(--r); padding: 22px 22px; box-shadow: var(--sh-1);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.evidence:hover { border-left-color: var(--gold); transform: translateY(-3px); box-shadow: var(--sh-2); }
.ev-k { font-size: 13px; color: var(--green-700); font-weight: 700; letter-spacing: .04em; }
.ev-v {
  font-size: 17px; color: var(--ink); font-weight: 700; margin: 8px 0 6px; line-height: 1.5;
  font-family: var(--font);
}
.ev-v i { font-style: italic; color: var(--green-900); }
.ev-note { font-size: 13px; color: var(--muted); line-height: 1.6; font-family: var(--font); }

@media (max-width: 980px) {
  .matrix-grid { grid-template-columns: 1fr; }
  .evidence-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   多页拆分版新增样式（v2）
   子页头 / 面包屑 / 导流卡 / 时间线 / 导航当前态
   ========================================================= */

/* 导航当前页高亮 */
.nav-links a.active { color: var(--green-800); font-weight: 700; }
.nav-links a.active::after { transform: scaleX(1); }

/* ---------- 子页页头（紧凑版 Hero） ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 480px at 88% -10%, rgba(216,176,106,.22), transparent 60%),
    linear-gradient(158deg, var(--green-950) 0%, var(--green-800) 62%, var(--green-700) 100%);
  color: #fff; padding: 148px 0 78px;
}
.page-hero::after {
  content: ""; position: absolute; right: -60px; bottom: -80px; width: 380px; height: 380px;
  border-radius: 50%; border: 1px solid rgba(216,176,106,.35); opacity: .5;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(30px, 4.6vw, 48px); font-weight: 800; letter-spacing: -.02em;
  line-height: 1.22; margin-top: 14px;
}
.page-hero h1 .accent { color: var(--gold); }
.page-hero .lead {
  max-width: 760px; margin-top: 18px; font-size: 17px; line-height: 1.85;
  color: rgba(255,255,255,.86);
}
.page-hero .lead b { color: var(--gold-soft); }

/* 面包屑（页头内，配 BreadcrumbList Schema） */
.breadcrumb {
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
  font-size: 13.5px; color: rgba(255,255,255,.62);
}
.breadcrumb a { color: rgba(255,255,255,.75); transition: color .18s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .5; }
.breadcrumb [aria-current] { color: var(--gold); font-weight: 600; }

/* ---------- 首页板块导流卡 ---------- */
.teaser-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.teaser {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 28px; box-shadow: var(--sh-1);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s, border-color .3s;
}
.teaser:hover { transform: translateY(-7px); box-shadow: var(--sh-3); border-color: var(--gold); }
.teaser .t-ic {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  font-size: 25px; background: linear-gradient(150deg, var(--green-100), #fff);
  border: 1px solid var(--line);
}
.teaser h3 { font-size: 19px; color: var(--green-900); font-weight: 700; }
.teaser p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }
.teaser .t-link {
  margin-top: auto; padding-top: 8px; font-size: 14.5px; font-weight: 700; color: var(--green-700);
  display: inline-flex; align-items: center; gap: 7px;
}
.teaser .t-link::after { content: "→"; transition: transform .2s; }
.teaser:hover .t-link::after { transform: translateX(5px); }

/* ---------- 大事记时间线 ---------- */
.timeline { position: relative; margin-top: 44px; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--green-300));
}
.timeline-item { position: relative; padding: 0 0 40px 26px; }
.timeline-item::before {
  content: ""; position: absolute; left: -32px; top: 7px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--gold); border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--gold);
}
.timeline-item .tl-year { font-size: 26px; font-weight: 800; color: var(--green-800); letter-spacing: -.01em; }
.timeline-item h3 { font-size: 18px; color: var(--green-900); margin: 4px 0 8px; }
.timeline-item p { color: var(--muted); font-size: 15px; max-width: 640px; }

/* 子页内容区块微调 */
.section .content-narrow { max-width: 860px; }
.check-list { list-style: none; margin-top: 18px; display: grid; gap: 12px; }
.check-list li { padding-left: 30px; position: relative; color: var(--ink); font-size: 15.5px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--green-500); font-weight: 800;
}

@media (max-width: 960px) {
  .teaser-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .teaser-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 118px 0 56px; }
}