/* ===========================================================
   广东龙晟环保科技有限公司 · 官网 方案E「稳重商务风」
   设计基调：藏青蓝 / 小圆角 / 结构化表格 / 编号章节 · 政企正式调性
   =========================================================== */

:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --navy-3: #1d4e89;
  --ink: #16202e;
  --ink-2: #41506a;
  --muted: #5c6d85;          /* 对比度 4.69:1 on --bg-band（原 #7b8aa0 仅 3.51，不达 WCAG AA） */
  --line: #dde3ec;
  --line-2: #c6cfdc;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --bg-band: #eef2f7;
  --accent: #a8342a;
  --radius: 5px;
  --radius-lg: 7px;
  --shadow: 0 2px 12px -4px rgba(11, 37, 69, .10);
  --shadow-h: 0 16px 38px -20px rgba(11, 37, 69, .38);
  --maxw: 1200px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; letter-spacing: -.005em; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--navy); color: #b8c6da; font-size: 12.5px; letter-spacing: .2px; }
/* min-height 而非固定 height：窄屏文字换行时不会被裁切 */
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 20px; padding-top: 4px; padding-bottom: 4px; }
.topbar b { color: #fff; font-weight: 600; }
.topbar .r { display: flex; gap: 24px; }
.topbar a:hover { color: #fff; }
@media (max-width: 980px) { .topbar .r span:not(:last-child) { display: none; } }
@media (max-width: 640px) { .topbar { font-size: 12px; } .topbar .wrap { line-height: 1.45; } }

/* ---------- 页头 ---------- */
.header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.header.scrolled { box-shadow: 0 6px 20px -14px rgba(11, 37, 69, .45); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 82px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark {
  width: 44px; height: 44px; flex: none; border-radius: 6px;
  background: var(--navy); color: #fff; display: grid; place-items: center;
  font-size: 20px; font-weight: 700; letter-spacing: .5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 17px; color: var(--navy); letter-spacing: .2px; }
.brand-text span { font-size: 10.5px; color: var(--muted); letter-spacing: 1.4px; text-transform: uppercase; font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  padding: 10px 17px; font-size: 15px; font-weight: 600; color: var(--ink-2);
  border-bottom: 2px solid transparent; transition: .2s;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a.active { color: var(--navy); border-bottom-color: var(--navy); }

.hotline { display: flex; align-items: center; gap: 12px; flex: none; padding-left: 22px; border-left: 1px solid var(--line); }
.hotline .ico { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-band); display: grid; place-items: center; color: var(--navy); }
.hotline .t span { display: block; font-size: 11.5px; color: var(--muted); font-weight: 600; letter-spacing: .4px; }
.hotline .t b { display: block; font-size: 17px; color: var(--navy); letter-spacing: .3px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: var(--radius); padding: 10px 12px; cursor: pointer; }
.nav-toggle i { display: block; width: 20px; height: 2px; background: var(--navy); margin: 4px 0; }

@media (max-width: 1080px) {
  .nav-links { display: none; position: absolute; top: 82px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 18px; border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -22px rgba(11,37,69,.5); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-links a.active { border-bottom-color: var(--line); }
  .nav-toggle { display: block; }
  .hotline { display: none; }
}

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 26px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: .22s; cursor: pointer; font-family: inherit; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); }
.btn-line { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-line:hover { border-color: var(--navy); color: var(--navy); }
.btn-ghost { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.30); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #8e2a21; border-color: #8e2a21; }
.arrow { transition: transform .22s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 首屏 ---------- */
.hero { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  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: 56px 56px;
  mask-image: radial-gradient(80% 70% at 70% 20%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(80% 70% at 70% 20%, #000, transparent 78%);
}
.hero::after { content: ""; position: absolute; right: -120px; top: -120px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,78,137,.85), transparent 68%); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.45fr .9fr; gap: 60px; padding: 78px 0 70px; align-items: center; }
.hero-tag { display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px; border: 1px solid rgba(255,255,255,.26);
  border-radius: 999px; font-size: 12.5px; font-weight: 600; letter-spacing: .4px; color: #cfdcec; margin-bottom: 24px; }
.hero-tag i { width: 6px; height: 6px; border-radius: 50%; background: #6fb1ff; }
.hero h1 { font-size: clamp(32px, 4vw, 50px); line-height: 1.22; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: #7fb6ff; }
.hero-lead { margin-top: 22px; font-size: 17px; color: #c3d2e5; max-width: 620px; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero-side { display: grid; gap: 16px; }
.side-panel { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-lg); padding: 26px; }
.side-panel h3 { font-size: 15px; letter-spacing: .6px; color: #fff; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.16); }
.side-panel li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: #c3d2e5; padding: 7px 0; }
.side-panel li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #7fb6ff; flex: none; }
.side-contact .k { font-size: 12.5px; color: #9db4cf; letter-spacing: .5px; }
.side-contact .v { font-size: 26px; font-weight: 700; color: #fff; letter-spacing: .3px; margin: 4px 0 6px; }
.side-contact .s { font-size: 13px; color: #9db4cf; }
@media (max-width: 980px) { .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 50px; } }

/* ---------- 数据带 ---------- */
.statband { background: var(--navy-2); color: #fff; }
.statband-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.statband .c { padding: 34px 28px; border-right: 1px solid rgba(255,255,255,.14); }
.statband .c:last-child { border-right: 0; }
.statband .c b { display: block; font-size: clamp(28px, 3vw, 38px); line-height: 1; letter-spacing: -.02em; }
.statband .c b small { font-size: .45em; color: #7fb6ff; margin-left: 3px; font-weight: 700; }
.statband .c span { display: block; margin-top: 12px; font-size: 13.5px; color: #a9bed8; }
@media (max-width: 800px) { .statband-inner { grid-template-columns: repeat(2, 1fr); }
  .statband .c:nth-child(2) { border-right: 0; }
  .statband .c:nth-child(1), .statband .c:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.14); } }

/* ---------- 章节 ---------- */
.section { padding: 82px 0; }
.section.soft { background: var(--bg-soft); }
.section.band { background: var(--bg-band); }
.sec-title { display: flex; align-items: flex-end; gap: 20px; padding-bottom: 22px; margin-bottom: 44px; border-bottom: 2px solid var(--navy); }
.sec-title .no { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #fff; background: var(--accent);
  padding: 4px 11px; border-radius: 3px; flex: none; margin-bottom: 5px; }
.sec-title .tx h2 { font-size: clamp(23px, 2.6vw, 31px); color: var(--navy); }
.sec-title .tx p { margin-top: 8px; color: var(--ink-2); font-size: 15px; }
.sec-title .more { margin-left: auto; font-size: 14px; font-weight: 600; color: var(--navy-3); flex: none; margin-bottom: 6px; }
.sec-title .more:hover { color: var(--accent); }
@media (max-width: 720px) { .sec-title { flex-wrap: wrap; } .sec-title .more { margin-left: 0; } }

/* ---------- 双栏 ---------- */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cols.wide-left { grid-template-columns: 1.25fr .95fr; }
.cols p.body { color: var(--ink-2); font-size: 15.5px; margin-bottom: 16px; }
@media (max-width: 900px) { .cols, .cols.wide-left { grid-template-columns: 1fr; gap: 34px; } }

/* ---------- 图 / 照片位 ---------- */
.figure { border: 1px solid var(--line-2); background: var(--bg-band); position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.figure svg { display: block; width: 100%; height: 100%; }
.fig-16-9 { aspect-ratio: 16 / 9; }
.fig-4-3 { aspect-ratio: 4 / 3; }
.ph-tag { position: absolute; left: 12px; bottom: 12px; font-size: 11px; font-weight: 600; letter-spacing: .4px;
  color: var(--navy); background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 3px; padding: 4px 9px; }

/* ---------- 服务清单（表格） ---------- */
.data-table { border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; }
.data-table thead th {
  background: var(--navy); color: #fff; font-size: 14px; font-weight: 600; letter-spacing: .5px;
  padding: 15px 20px; text-align: left; white-space: nowrap;
}
.data-table tbody td { padding: 18px 20px; border-bottom: 1px solid var(--line); font-size: 14.8px; color: var(--ink-2); vertical-align: top; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--bg-soft); }
.data-table .no-cell { color: var(--accent); font-weight: 700; width: 64px; }
.data-table .name { color: var(--ink); font-weight: 700; font-size: 15.5px; }
.data-table .sub { display: block; font-size: 12.5px; color: var(--muted); font-weight: 600; letter-spacing: 1px; margin-top: 4px; }
.data-table .tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--navy-3);
  background: var(--bg-band); border-radius: 3px; padding: 3px 9px; margin: 2px 6px 2px 0; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; position: relative; }
@media (max-width: 760px) {
  .data-table thead th, .data-table tbody td { padding: 12px 14px; font-size: 13.8px; }
  /* 窄屏下给表格设最小宽度，主动触发横向滚动，避免列被压到 57px 导致中文竖排换行 */
  .table-scroll .data-table { min-width: 600px; }
  /* 各列最小宽度，保证「序号 / 服务项目」可读 */
  .data-table thead th:first-child { min-width: 60px; }
  .data-table thead th:nth-child(2) { min-width: 150px; }
  /* 横向滚动提示：仅窄屏且可滚动时显示 */
  .table-scroll::after {
    content: "← 左右滑动查看完整表格 →";
    display: block; padding: 10px 2px 0; font-size: 12px;
    color: var(--muted); letter-spacing: .5px;
  }
}
@media (min-width: 761px) { .table-scroll::after { content: none; } }

/* ---------- 资质网格 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cert { border: 1px solid var(--line-2); border-radius: var(--radius-lg); padding: 26px; background: #fff; transition: .25s; }
.cert:hover { border-color: var(--navy-3); box-shadow: var(--shadow-h); }
.cert .badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1.6px; color: var(--accent);
  border: 1px solid var(--line-2); border-radius: 3px; padding: 3px 9px; margin-bottom: 16px; }
.cert h3 { font-size: 17px; color: var(--navy); margin-bottom: 10px; }
.cert p { font-size: 14.2px; color: var(--ink-2); }
@media (max-width: 900px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cert-grid { grid-template-columns: 1fr; } }

/* ---------- 优势列表 ---------- */
.adv-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; }
.adv { display: flex; gap: 18px; padding: 26px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.adv:nth-child(2n) { border-right: 0; }
.adv:nth-last-child(-n+2) { border-bottom: 0; }
.adv .n { font-size: 13px; font-weight: 700; color: #fff; background: var(--navy); width: 34px; height: 34px; flex: none;
  border-radius: 4px; display: grid; place-items: center; }
.adv h4 { font-size: 16px; color: var(--navy); margin-bottom: 6px; }
.adv p { font-size: 14.2px; color: var(--ink-2); }
@media (max-width: 760px) { .adv-list { grid-template-columns: 1fr; } .adv { border-right: 0; }
  .adv:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); } .adv:last-child { border-bottom: 0; } }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; }
.step { padding: 26px 20px; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step .n { font-size: 12px; font-weight: 700; letter-spacing: 1.6px; color: var(--accent); margin-bottom: 12px; }
.step h4 { font-size: 15.5px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-2); }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3n) { border-right: 0; }
  .step:nth-child(-n+3) { border-bottom: 1px solid var(--line); } }
@media (max-width: 620px) { .steps { grid-template-columns: 1fr; } .step { border-right: 0; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; } }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary { cursor: pointer; padding: 20px 26px; font-size: 15.5px; font-weight: 600; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center; transition: background .2s; }
.faq summary:hover { background: var(--bg-soft); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 20px; font-weight: 400; color: var(--navy-3); transition: transform .25s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] summary { color: var(--navy); background: var(--bg-soft); }
.faq .ans { padding: 4px 26px 22px; color: var(--ink-2); font-size: 14.8px; }

/* ---------- 筛选 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.filters button { font-family: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer; transition: .2s;
  padding: 9px 18px; border: 1px solid var(--line-2); border-radius: var(--radius); background: #fff; color: var(--ink-2); }
.filters button:hover { border-color: var(--navy-3); color: var(--navy); }
.filters button.active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.info-table { border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; }
.info-table .row { display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid var(--line); }
.info-table .row:last-child { border-bottom: 0; }
.info-table .k { background: var(--bg-soft); padding: 16px 20px; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.info-table .v { padding: 16px 20px; font-size: 14.8px; color: var(--ink); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* 二维码 */
.qr-card { border: 1px solid var(--line-2); border-radius: var(--radius-lg); padding: 34px; text-align: center; background: #fff; }
.qr-card h3 { font-size: 20px; color: var(--navy); margin-bottom: 8px; }
.qr-lead { color: var(--ink-2); font-size: 14.5px; margin-bottom: 26px; }
.qr-frame { display: inline-block; position: relative; padding: 14px; background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius); }
.qr-frame svg { display: block; width: 208px; height: 208px; }
.qr-tag { position: absolute; left: 50%; transform: translateX(-50%); bottom: -12px; white-space: nowrap;
  font-size: 11px; font-weight: 600; color: #fff; background: var(--accent); border-radius: 3px; padding: 4px 11px; }
.qr-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 34px 0 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.qr-steps li { list-style: none; padding: 16px 12px; font-size: 13.2px; color: var(--ink-2); border-right: 1px solid var(--line); }
.qr-steps li:last-child { border-right: 0; }
.qr-steps li b { display: block; font-size: 15px; color: var(--navy); margin-bottom: 5px; }
.qr-alt { margin-top: 22px; font-size: 13.5px; color: var(--muted); }
.qr-alt b { color: var(--ink); }
@media (max-width: 620px) { .qr-steps { grid-template-columns: 1fr; } .qr-steps li { border-right: 0; border-bottom: 1px solid var(--line); }
  .qr-steps li:last-child { border-bottom: 0; } .qr-frame svg { width: 176px; height: 176px; } }

/* ---------- CTA ---------- */
.cta { background: var(--navy); color: #fff; border-radius: var(--radius-lg); padding: 52px 56px; position: relative; overflow: hidden; }
.cta::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,78,137,.9), transparent 70%); }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(24px, 2.8vw, 34px); }
.cta p { color: #b8c6da; margin-top: 12px; max-width: 620px; }
@media (max-width: 720px) { .cta { padding: 36px 26px; } }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy); color: #a9bed8; padding: 62px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 42px; border-bottom: 1px solid rgba(255,255,255,.14); }
.footer .brand-text b { color: #fff; }
.footer .brand-text span { color: #7b93b3; }
.footer .brand-mark { background: #fff; color: var(--navy); }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 18px; font-weight: 600; }
.footer li { margin-bottom: 11px; font-size: 14.2px; }
.footer a:hover { color: #fff; }
.footer .desc { margin-top: 20px; font-size: 13.8px; line-height: 1.85; max-width: 340px; color: #8fa6c2; }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #7b93b3; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 600px) { .footer-top { grid-template-columns: 1fr; } }

/* ---------- 内页头 ---------- */
.page-head { background: var(--navy); color: #fff; padding: 58px 0 54px; position: relative; overflow: hidden; }
.page-head::before { content: ""; position: absolute; inset: 0; opacity: .45;
  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: 52px 52px; mask-image: radial-gradient(70% 100% at 20% 0%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(70% 100% at 20% 0%, #000, transparent 76%); }
.page-head .wrap { position: relative; z-index: 1; }
.crumbs { font-size: 13.5px; color: #9db4cf; margin-bottom: 16px; }
.crumbs a:hover { color: #fff; }
.page-head h1 { font-size: clamp(27px, 3.2vw, 40px); letter-spacing: -.02em; }
.page-head .lead { margin-top: 16px; color: #b8c6da; font-size: 16.5px; max-width: 760px; }

/* ---------- 时间线 ---------- */
.tl { border-left: 2px solid var(--line-2); padding-left: 30px; }
.tl-row { position: relative; padding-bottom: 30px; }
.tl-row:last-child { padding-bottom: 0; }
.tl-row::before { content: ""; position: absolute; left: -37px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 2px solid var(--navy-3); }
.tl-row .y { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: .4px; }
.tl-row h4 { font-size: 16.5px; color: var(--navy); margin: 4px 0 6px; }
.tl-row p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 团队表 ---------- */
.team-table .tname { font-size: 16px; font-weight: 700; color: var(--navy); }
.team-table .trole { font-size: 14px; color: var(--accent); font-weight: 600; }
.team-table .tsub { display: block; font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- 动画 ----------
   注意：仅在 <html> 带 .js 类时才把内容设为透明。
   这样 JS 被拦截/加载失败时内容依然可见（由 <head> 内联脚本添加 .js）。 */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s cubic-bezier(.16,.8,.3,1), transform .65s cubic-bezier(.16,.8,.3,1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 工具 ---------- */
.center { text-align: center; }
.mt0 { margin-top: 0; }

/* ===========================================================
   无障碍与动效偏好（WCAG 2.1 AA）
   1) prefers-reduced-motion：尊重系统「减少动态效果」设置
   2) :focus-visible：键盘导航时提供清晰焦点环
   3) .skip-link：键盘 / 读屏用户可跳过导航直达正文
   =========================================================== */

/* ---------- 1. 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  /* 入场元素直接显示，不做位移 */
  .js .reveal, .reveal { opacity: 1 !important; transform: none !important; }
  /* 无限滚动字幕停止 */
  .marquee-track { animation: none !important; }
  /* 雷达扫描等旋转装饰停止 */
  .radar .sweep, .sweep { animation: none !important; }
}

/* ---------- 2. 键盘焦点可见 ---------- */
:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 3px;
}
/* 深色底上的焦点环换成亮色，保证可见 */
.footer :focus-visible, .cta-band :focus-visible, .band :focus-visible { outline-color: #ffffff; }
/* 鼠标点击时不显示焦点环 */
:focus:not(:focus-visible) { outline: none; }

/* ---------- 3. 跳到主内容 ---------- */
.skip-link {
  position: absolute; left: 12px; top: -70px; z-index: 999;
  padding: 11px 20px; font-size: 14.5px; font-weight: 700;
  background: var(--navy); color: #ffffff;
  border-radius: 8px; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }