:root{
  --ink:#082B4F; --ink2:#0d3550; --muted:#5A6B7E; --line:#e2ddd1;
  --paper:#F7F4EE; --card:#ffffff;
  --accent:#FF5A36; --accent-d:#C7401D; --accent-l:#FBEBE5;
  --blue-l:#EAF1F5; --ok:#2f6b4f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Montserrat","Helvetica Neue","Microsoft YaHei",-apple-system,sans-serif;font-size:16px;line-height:1.75}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
h1,h2,h3,h4{font-family:"Montserrat","Helvetica Neue","Microsoft YaHei",sans-serif;line-height:1.3;margin:0}
a{color:var(--accent-d)}
.small{font-size:13px;color:var(--muted)}
.mono{font-family:"Consolas",monospace}
body.en .zh{display:none !important}
body:not(.en) .en{display:none !important}
nav{position:sticky;top:0;z-index:50;background:rgba(8,43,79,.97);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,90,54,.35)}
.nav-in{display:flex;align-items:center;gap:18px;height:66px;max-width:1120px;margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:center;gap:9px;white-space:nowrap;text-decoration:none}
.brand-mark{height:30px;width:30px;display:block;flex:none}
.brand-txt{display:flex;flex-direction:column;justify-content:center;line-height:1.12}
.brand-txt b{font-family:"Montserrat","Helvetica Neue",Arial,sans-serif;font-weight:700;
  font-size:15px;letter-spacing:.05em;color:#fff}
.brand-txt i{font-family:"Montserrat","Helvetica Neue",Arial,sans-serif;font-style:normal;
  font-weight:600;font-size:6.6px;letter-spacing:.1em;color:#8FA9C4;margin-top:1px}
.nav-links{display:flex;gap:16px;margin-left:auto;flex-wrap:wrap}
.nav-links a{color:#cfd9e3;text-decoration:none;font-size:13px;white-space:nowrap}
.nav-links a:hover{color:var(--accent)}
.langbtn{border:1px solid var(--accent);color:var(--accent);background:transparent;border-radius:999px;
  padding:4px 14px;font-size:12.5px;cursor:pointer;font-family:inherit}
.langbtn:hover{background:var(--accent);color:#082B4F}
header{background:linear-gradient(160deg,#082B4F 0%,#0a2e47 45%,#0d3550 100%);color:#fff;padding:66px 0 58px;position:relative;overflow:hidden}
header::after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 80% 16%,rgba(255,90,54,.16),transparent 42%),
  radial-gradient(circle at 16% 84%,rgba(90,150,200,.12),transparent 46%);pointer-events:none}
.hero{position:relative;z-index:2}
.kicker{font-size:11.5px;letter-spacing:2.5px;color:var(--accent);text-transform:uppercase}
h1{font-size:36px;margin:14px 0 6px;letter-spacing:.3px}
.h1sub{font-size:16.5px;color:#a8bacb;font-weight:400}
.tagline{margin:24px 0 0;font-size:19px;line-height:1.85;max-width:780px;color:#f0f4f7;
  border-left:3px solid var(--accent);padding-left:18px}
.hero-meta{margin-top:26px;display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:#a8bacb}
.hero-meta b{color:#fff;font-weight:600}
.statusbar{margin-top:22px;display:inline-flex;align-items:center;gap:9px;background:rgba(255,90,54,.14);
  border:1px solid rgba(255,90,54,.5);border-radius:999px;padding:6px 16px;font-size:13px;color:#ffd9cf}
.statusbar .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);
  margin-top:-30px;position:relative;z-index:3;border-radius:10px;overflow:hidden;box-shadow:0 8px 30px rgba(8,43,79,.10)}
.stat{background:var(--card);padding:20px 22px}
.stat .n{font-size:26px;font-weight:700;color:var(--ink);line-height:1.15}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:4px}
section{padding:62px 0 10px}
.sec-no{font-size:12px;letter-spacing:2px;color:var(--accent-d);text-transform:uppercase}
h2{font-size:26px;margin:8px 0 6px}
.lede{color:var(--muted);font-size:15.5px;max-width:820px;margin:0 0 24px}
h3{font-size:18px;margin:30px 0 12px;color:var(--ink2)}
h4{font-size:15px;margin:18px 0 8px;color:var(--accent-d);letter-spacing:.3px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px 22px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:14px;background:var(--card)}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:#EDE7DA;font-weight:600;color:var(--ink);font-size:13px}
tr:nth-child(even) td{background:#FCFAF4}
.note{background:var(--blue-l);border-left:3px solid var(--ink);border-radius:0 8px 8px 0;padding:13px 17px;font-size:14px;color:#0a3550}
.warn{background:#FBEBE5;border-left:3px solid var(--accent-d);border-radius:0 8px 8px 0;padding:13px 17px;font-size:14px;color:#8a3a1e}
.tbd{border:1px dashed var(--accent-d);background:var(--accent-l);border-radius:5px;padding:1px 7px;
  font-size:12.5px;color:#8a3a1e;white-space:nowrap}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;border-radius:6px;
  padding:11px 24px;font-size:14px;font-weight:600}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.prog{border-top:3px solid var(--accent-d);background:var(--card);border-radius:0 0 10px 10px;
  padding:18px 20px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.prog .tag{font-size:11px;letter-spacing:1.5px;color:var(--accent-d);text-transform:uppercase}
.prog h4{margin:6px 0 8px;color:var(--ink);font-size:16px}
.tl{position:relative;padding-left:26px;margin-top:8px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent-d),var(--line))}
.tl-item{position:relative;margin:0 0 20px}
.tl-item::before{content:"";position:absolute;left:-24px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:2px solid var(--accent-d)}
.tl-item .w{font-size:12px;letter-spacing:1px;color:var(--accent-d);font-weight:600}
.tl-item h4{margin:2px 0 4px;color:var(--ink)}
footer{background:#061F3A;color:#93a6b6;margin-top:66px;padding:46px 0 28px;font-size:13.5px}
footer h4{color:#fff;font-size:14px;margin:0 0 10px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
@media(max-width:860px){footer .cols{grid-template-columns:1fr}}
footer a{color:#b8c7d6;text-decoration:none}
footer a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12px;color:#8496a6}
footer svg{height:28px;margin-bottom:12px}


/* ===== 第二块（mobile-v1） ===== */


/* ============ 移动端适配 V1（2026-11） ============ */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html,body{overflow-x:hidden;max-width:100%}
img,svg,video{max-width:100%;height:auto}

/* 汉堡按钮 */
.nav-tg{display:none;flex:none;background:none;border:0;cursor:pointer;
  width:40px;height:40px;margin-left:6px;padding:9px;
  flex-direction:column;justify-content:space-between}
.nav-tg span{display:block;height:2px;width:100%;background:#cfd9e3;border-radius:2px;
  transition:transform .22s ease,opacity .18s ease}
.nav-tg[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-tg[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-tg[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* 表格横向滚动容器（由脚本包裹） */
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;
  width:100%;max-width:100%;margin:0;padding:0;box-sizing:border-box}
.tscroll table{min-width:470px;max-width:none}

/* ---------- 平板与手机 ---------- */
@media(max-width:900px){

  /* 性能：去掉 sticky 导航的 backdrop-filter（滚动每帧重算模糊，最耗电最卡） */
  nav{backdrop-filter:none !important;-webkit-backdrop-filter:none !important;
    background:#082B4F !important}

  /* 导航条收紧，链接收进菜单 */
  .nav-in{height:56px !important;padding:0 16px !important;gap:10px !important}
  .brand-mark, .brand img{height:24px !important;width:24px !important}
  .brand-txt b{font-size:13px !important}
  .brand-txt i{display:none !important}
  .nav-links{display:none !important}
  .nav-links.open{display:flex !important;flex-direction:column;
    position:absolute;top:56px;left:0;right:0;
    background:#082B4F;padding:6px 0 12px;margin:0 !important;gap:0 !important;
    border-bottom:1px solid rgba(255,90,54,.35);
    max-height:72vh;overflow-y:auto;z-index:60;
    box-shadow:0 12px 24px rgba(0,0,0,.28)}
  .nav-links.open a{padding:13px 20px;font-size:15.5px !important;
    border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-links.open a:last-child{border-bottom:0}
  .nav-tg{display:flex}
  .langbtn{margin-left:auto !important;flex:none}

  /* 版心与节奏 */
  .wrap{padding:0 18px !important}
  section{padding:40px 0 8px !important}

  /* ---- 防横向溢出（关键） ---- */
  .wrap,section,header,footer,.grid,.g2,.g3,.g4,.prog,.card,.stat,.tscroll{
    box-sizing:border-box;max-width:100%}
  .grid,.g2,.g3,.g4{min-width:0}
  .grid>*,.g2>*,.g3>*,.g4>*,.prog,.card,.prog>*,.card>*{min-width:0;max-width:100%}
  .grid.g3,.g3{grid-template-columns:1fr !important}
  .grid.g2,.g2{grid-template-columns:1fr !important}
  .grid.g4,.g4{grid-template-columns:repeat(2,1fr) !important}
  .prog,.card,td,th,h1,h2,h3,h4,p,li,a,span,div{
    overflow-wrap:break-word;word-wrap:break-word}
  .mono,code,pre{overflow-wrap:anywhere;word-break:break-all}

  /* 标题流体化 */
  h1{font-size:clamp(23px,7.4vw,32px) !important;letter-spacing:0 !important;line-height:1.32 !important}
  h2{font-size:clamp(20px,5.8vw,26px) !important;line-height:1.38 !important}
  h3{font-size:17px !important}
  .h1sub{font-size:13.5px !important;line-height:1.6 !important}
  .kicker{font-size:10px !important;letter-spacing:1.5px !important}
  .tagline{font-size:16.5px !important;line-height:1.72 !important;
    margin-top:20px !important;padding-left:14px !important;border-left-width:3px}
  .sec-no{font-size:11px !important;letter-spacing:1.5px !important}

  /* 首屏 */
  header{padding:30px 0 38px !important}
  .hero-meta{margin-top:16px !important;gap:8px !important;
    font-size:12.5px !important;flex-direction:column !important}
  .hero-meta > div{min-width:0}
  .statusbar{margin-top:16px !important;padding:7px 14px !important;
    border-radius:14px !important;align-items:flex-start !important;line-height:1.5}
  .statusbar .dot{margin-top:6px}

  /* 数字卡两列 */
  .stats{grid-template-columns:repeat(2,1fr) !important;margin-top:-20px !important}
  .stat{padding:14px 15px !important}
  .stat .n{font-size:21px !important}
  .stat .l{font-size:11.5px !important;line-height:1.45}

  /* 卡片与按钮 */
  .card{padding:17px !important}
  .btn{display:block !important;text-align:center;width:100%;box-sizing:border-box}
  .btn + .btn{margin-top:10px}

  /* 长内容页：跳过屏幕外渲染，滚动更顺 */
  section:not(:first-of-type){content-visibility:auto;contain-intrinsic-size:700px}

  /* 表格字号 */
  table{font-size:12px !important}
  th,td{padding:7px 9px !important}
}

@media(max-width:420px){
  h1{font-size:26px !important;line-height:1.34 !important}
  .tagline{font-size:15.5px !important}
  .stat .n{font-size:19px !important}
  .stat .l{font-size:11px !important}
  section{padding:34px 0 6px !important}
  .nav-in{padding:0 14px !important}
  .wrap{padding:0 16px !important}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
/* ============ 移动端适配结束 ============ */


/* ===== 整站扩展（2026-11-15）===== */
.pagehero{background:var(--ink);color:#fff;padding:78px 0 46px;margin-top:0}
.pagehero .sec-no{color:var(--accent)}
.pagehero h1{font-size:34px;line-height:1.3;letter-spacing:1px;margin-top:10px;color:#fff}
section.doc{padding:52px 0 20px}
.wrap.narrow{max-width:760px}
.doc h2{font-size:22px;margin:38px 0 10px;color:var(--ink);letter-spacing:.5px}
.doc p{font-size:15.5px;line-height:1.95;color:#2b3946;margin-bottom:14px}
.doc p.lead{font-size:16.5px;color:#1d2a36}
.doc .em{font-weight:700;color:var(--ink)}
.doc .kicker-line{font-size:12.5px;letter-spacing:1.6px;color:var(--muted);text-transform:none;margin-bottom:6px}
.doc ul.lit,.doc ol.vows{margin:6px 0 16px 0;padding-left:22px}
.doc ul.lit li,.doc ol.vows li{font-size:15.5px;line-height:1.95;color:#2b3946;margin-bottom:6px}
.doc .sigblock{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:14.5px;line-height:1.9;color:#3b4a57}
.doc .statusline{margin-top:34px;padding:16px 20px;background:var(--paper);border-left:3px solid var(--accent);border-radius:0 8px 8px 0}
.doc .statusline p{font-size:14px;margin:0 0 6px}
.nav-links a.on{color:#fff;font-weight:700}
@media(max-width:760px){
  .pagehero{padding:54px 0 32px}
  .pagehero h1{font-size:25px}
  .doc h2{font-size:19px;margin:28px 0 8px}
  .doc p,.doc ul.lit li,.doc ol.vows li{font-size:15px}
  .wrap.narrow{padding:0 18px}
}