/* =====================================================================
   智能计算与生物信息学平台 · 门户样式
   中国科学院分子细胞科学卓越创新中心 · 红白配色
   ===================================================================== */
:root {
  --red-950: #6B0C10;
  --red-900: #7E1015;
  --red-800: #8C1418;
  --red-700: #A81C22;
  --red-600: #C0282F;
  --red-500: #D23B41;
  --red-100: #F6E3E4;
  --red-050: #FBF1F1;
  --ink: #26262A;
  --ink-2: #55555C;
  --ink-3: #8A8A92;
  --line: #E9DFDF;
  --bg: #FFFFFF;
  --bg-soft: #FAF6F5;
  --gold: #C0964B;
  --ok: #1E9E4C;
  --ok-bg: #E7F6ED;
  --warn: #B98A2F;
  --warn-bg: #FBF3E1;
  --off: #9AA0A6;
  --off-bg: #F1F1F3;
  --shadow: 0 2px 12px rgba(110, 16, 20, 0.07);
  --shadow-lg: 0 10px 32px rgba(110, 16, 20, 0.12);
  --radius: 10px;
  --maxw: 1180px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px; line-height: 1.7; color: var(--ink); background: var(--bg);
}
a { color: var(--red-700); text-decoration: none; }
a:hover { color: var(--red-600); }
img, svg { vertical-align: middle; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部机构条 ---------- */
.gov-bar { background: var(--red-900); color: rgba(255,255,255,.92); font-size: 12.5px; }
.gov-bar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 16px; }
.gov-bar .left { letter-spacing: .5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gov-bar .right { display: flex; gap: 18px; white-space: nowrap; }
.gov-bar a { color: rgba(255,255,255,.85); }
.gov-bar a:hover { color: #fff; }

/* ---------- 主页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 13px; min-width: 0; }
.brand .mark { width: 44px; height: 44px; flex: 0 0 44px; }
.brand .words { display: flex; flex-direction: column; line-height: 1.25; }
.brand .zh { font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: 1px; white-space: nowrap; }
.brand .zh b { color: var(--red-700); }
.brand .en { font-size: 10.5px; color: var(--ink-3); letter-spacing: .4px; text-transform: uppercase; white-space: nowrap; }
.main-nav { margin-left: auto; display: flex; gap: 6px; }
.main-nav a {
  padding: 8px 14px; font-size: 15px; color: var(--ink-2); border-radius: 8px;
  font-weight: 500; position: relative; white-space: nowrap;
}
.main-nav a:hover { color: var(--red-700); background: var(--red-050); }
.main-nav a.active { color: var(--red-700); font-weight: 700; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 3px;
  background: var(--red-700); border-radius: 2px;
}
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(192,40,47,.16), transparent 60%),
    radial-gradient(800px 420px at -10% 110%, rgba(192,40,47,.10), transparent 55%),
    #fff;
  border-bottom: 1px solid var(--line);
}
.hero .wrap { position: relative; padding: 64px 24px 58px; }
.hero .kicker {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--red-700);
  background: var(--red-050); border: 1px solid var(--red-100);
  padding: 5px 14px; border-radius: 999px; letter-spacing: 2px; font-weight: 600;
}
.hero .kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--red-600); }
.hero h1 { font-size: 42px; line-height: 1.28; letter-spacing: 3px; margin: 18px 0 6px; color: var(--ink); }
.hero h1 .accent { color: var(--red-700); }
.hero .sub-en { font-size: 13px; letter-spacing: 1.2px; color: var(--ink-3); text-transform: uppercase; margin-bottom: 16px; }
.hero p.lead { font-size: 16.5px; color: var(--ink-2); max-width: 720px; }
.hero .cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 26px; border-radius: 8px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: .18s;
}
.btn.primary { background: var(--red-700); color: #fff; }
.btn.primary:hover { background: var(--red-800); box-shadow: var(--shadow-lg); }
.btn.ghost { border-color: var(--red-700); color: var(--red-700); background: #fff; }
.btn.ghost:hover { background: var(--red-050); }
.hero .art { position: absolute; right: -30px; top: 40px; width: 460px; opacity: .9; pointer-events: none; }
.hero .chips { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 9px; background: #fff; border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 999px; font-size: 13.5px; color: var(--ink-2); box-shadow: var(--shadow);
}
.chip b { color: var(--ink); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--off); flex: 0 0 8px; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-bg); }
.dot.off { background: var(--off); box-shadow: 0 0 0 3px var(--off-bg); }

/* ---------- 通用区块 ---------- */
.section { padding: 58px 0; }
.section.alt { background: var(--bg-soft); }
.sec-head { text-align: center; margin-bottom: 38px; }
.sec-head .tag { font-size: 13px; color: var(--red-700); letter-spacing: 3px; font-weight: 700; }
.sec-head h2 { font-size: 30px; letter-spacing: 2px; margin: 8px 0 10px; }
.sec-head .bar { width: 46px; height: 4px; background: var(--red-700); margin: 14px auto 0; border-radius: 2px; }
.sec-head p { color: var(--ink-2); max-width: 760px; margin: 12px auto 0; }

/* ---------- 服务卡片 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 22px; display: flex; flex-direction: column; gap: 12px;
  transition: .2s; position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--red-600), var(--red-800));
  opacity: 0; transition: .2s;
}
.svc-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--red-100); }
.svc-card:hover::before { opacity: 1; }
.svc-top { display: flex; align-items: center; gap: 13px; }
.svc-icon {
  width: 46px; height: 46px; border-radius: 11px; background: var(--red-050); color: var(--red-700);
  display: flex; align-items: center; justify-content: center; flex: 0 0 46px;
}
.svc-top h3 { font-size: 17.5px; letter-spacing: .5px; }
.svc-top .en { font-size: 11px; color: var(--ink-3); letter-spacing: .3px; }
.svc-card p.desc { font-size: 13.8px; color: var(--ink-2); min-height: 66px; }
.svc-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--line); }
.svc-meta .st { display: inline-flex; align-items: center; gap: 8px; font-size: 12.8px; color: var(--ink-2); }
.svc-meta .go { font-size: 13.5px; font-weight: 600; color: var(--red-700); }
.badge {
  display: inline-block; font-size: 11.5px; padding: 2px 10px; border-radius: 999px; font-weight: 600; letter-spacing: .5px;
}
.badge.live { background: var(--ok-bg); color: var(--ok); }
.badge.pilot { background: var(--warn-bg); color: var(--warn); }
.badge.plan { background: var(--off-bg); color: #6B7076; }

/* ---------- 架构图 ---------- */
.arch { display: flex; flex-direction: column; gap: 12px; }
.arch .layer { display: flex; align-items: stretch; gap: 14px; }
.arch .lname {
  flex: 0 0 168px; background: var(--red-800); color: #fff; border-radius: 8px;
  display: flex; flex-direction: column; justify-content: center; padding: 12px 16px;
}
.arch .lname b { font-size: 15px; letter-spacing: 1px; }
.arch .lname span { font-size: 11px; color: rgba(255,255,255,.75); letter-spacing: .5px; }
.arch .items { flex: 1; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; padding: 10px 16px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.arch .it {
  font-size: 13px; padding: 5px 13px; background: var(--red-050); color: var(--red-900);
  border: 1px solid var(--red-100); border-radius: 6px; white-space: nowrap;
}
.arch .it.dim { background: #fff; color: var(--ink-3); border-color: var(--line); font-style: italic; }
.arch .arrow { text-align: center; color: var(--red-600); font-size: 14px; line-height: 1; }

/* ---------- 模块介绍 ---------- */
.mod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mod {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  transition: .2s;
}
.mod:hover { box-shadow: var(--shadow); }
.mod .no { font-size: 26px; font-weight: 800; color: var(--red-100); -webkit-text-stroke: 1px var(--red-600); line-height: 1; }
.mod h3 { font-size: 16.5px; margin: 10px 0 6px; }
.mod p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 路线图 ---------- */
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; margin-top: 10px; }
.roadmap .step { padding: 18px 20px 16px; position: relative; }
.roadmap .step::before {
  content: ""; position: absolute; top: 25px; left: 20px; right: -6px; height: 2px; background: var(--line);
}
.roadmap .step:last-child::before { display: none; }
.roadmap .dotnum {
  width: 30px; height: 30px; border-radius: 50%; background: #fff; border: 2px solid var(--red-700);
  color: var(--red-700); font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
}
.roadmap .step.now .dotnum { background: var(--red-700); color: #fff; box-shadow: 0 0 0 5px var(--red-050); }
.roadmap h4 { font-size: 15.5px; margin: 12px 0 4px; }
.roadmap h4 small { display: block; font-size: 12px; color: var(--ink-3); font-weight: 400; }
.roadmap p { font-size: 12.8px; color: var(--ink-2); }
.roadmap .nowtag {
  display: inline-block; font-size: 11px; background: var(--red-700); color: #fff; border-radius: 4px;
  padding: 1px 8px; margin-left: 6px; vertical-align: 2px; font-weight: 600;
}

/* ---------- 公告 ---------- */
.ann-list { display: flex; flex-direction: column; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.ann-item { display: flex; gap: 16px; padding: 15px 22px; border-bottom: 1px dashed var(--line); align-items: baseline; }
.ann-item:last-child { border-bottom: 0; }
.ann-item .date { flex: 0 0 88px; color: var(--ink-3); font-size: 13px; font-family: Consolas, monospace; }
.ann-item .atag { flex: 0 0 52px; text-align: center; font-size: 12px; background: var(--red-050); color: var(--red-700); border-radius: 4px; padding: 1px 0; font-weight: 600; }
.ann-item .title { font-size: 14.5px; color: var(--ink); font-weight: 500; }
.ann-item .body { font-size: 13px; color: var(--ink-2); }

/* ---------- 指南卡片 ---------- */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guide-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.guide-card h3 { font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.guide-card h3 .gi { color: var(--red-700); }
.guide-card ol { margin: 0 0 10px 18px; font-size: 13.5px; color: var(--ink-2); }
.guide-card li { margin: 3px 0; }
.guide-card code {
  background: var(--red-050); border: 1px solid var(--red-100); color: var(--red-900);
  padding: 1px 7px; border-radius: 5px; font-size: 12.5px; font-family: Consolas, "JetBrains Mono", monospace;
}
pre.code {
  background: #2B2624; color: #F5EDEA; border-radius: 8px; padding: 14px 16px; font-size: 12.8px;
  font-family: Consolas, "JetBrains Mono", monospace; overflow-x: auto; line-height: 1.65; margin: 10px 0;
}
pre.code .c { color: #A89890; }

/* ---------- 文档页 ---------- */
.doc-page { max-width: 900px; margin: 0 auto; }
.doc-page h2 { font-size: 24px; margin: 34px 0 14px; letter-spacing: 1px; padding-left: 12px; border-left: 4px solid var(--red-700); }
.doc-page h3 { font-size: 18px; margin: 24px 0 10px; }
.doc-page p, .doc-page li { font-size: 14.5px; color: var(--ink-2); }
.doc-page ul, .doc-page ol { margin: 8px 0 8px 22px; }
.doc-page table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.8px; }
.doc-page th { background: var(--red-800); color: #fff; font-weight: 600; padding: 9px 12px; text-align: left; }
.doc-page td { border: 1px solid var(--line); padding: 8px 12px; color: var(--ink-2); }
.doc-page tr:nth-child(even) td { background: var(--red-050); }
.doc-page .callout {
  background: var(--red-050); border: 1px solid var(--red-100); border-left: 4px solid var(--red-600);
  border-radius: 8px; padding: 12px 16px; font-size: 13.8px; color: var(--red-900); margin: 14px 0;
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--red-900); color: rgba(255,255,255,.85); margin-top: 40px; }
.site-footer .top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; padding: 44px 24px 30px; max-width: var(--maxw); margin: 0 auto; }
.site-footer h5 { color: #fff; font-size: 15px; margin-bottom: 12px; letter-spacing: 1px; }
.site-footer .fi { font-size: 13px; line-height: 2; }
.site-footer a { color: rgba(255,255,255,.8); }
.site-footer a:hover { color: #fff; }
.site-footer .links li { list-style: none; margin: 4px 0; }
.site-footer .bottom {
  border-top: 1px solid rgba(255,255,255,.15); text-align: center; padding: 16px 24px; font-size: 12.5px;
  color: rgba(255,255,255,.6); max-width: var(--maxw); margin: 0 auto;
}
.site-footer .logo-row { display: flex; gap: 12px; align-items: center; }
.site-footer .logo-row .mark { width: 38px; height: 38px; }

/* ---------- 状态页 ---------- */
.status-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.status-table th { background: var(--red-800); color: #fff; padding: 11px 16px; text-align: left; font-size: 14px; }
.status-table td { padding: 12px 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.status-table td b { color: var(--ink); }
.st-cell { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
.refresh-note { font-size: 12.5px; color: var(--ink-3); margin-top: 10px; text-align: right; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .svc-grid, .mod-grid, .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: repeat(2, 1fr); }
  .roadmap .step::before { display: none; }
  .arch .layer { flex-direction: column; }
  .arch .lname { flex: none; }
  .hero .art { display: none; }
  .site-footer .top { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .gov-bar .right { display: none; }
  .svc-grid, .mod-grid, .guide-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 10px 18px; border-bottom: 1px solid var(--line); display: none; box-shadow: var(--shadow-lg); }
  .main-nav.open { display: flex; }
  .main-nav a.active::after { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; cursor: pointer; color: var(--red-700); font-weight: 700; font-size: 14px; }
  .site-header .wrap { flex-wrap: wrap; }
  .roadmap { grid-template-columns: 1fr; }
  .brand .zh { font-size: 16px; }
}