/* roulang page: index */
:root{
  --ink:#0b1f2b;
  --ink-2:#16323f;
  --body:#334c5a;
  --muted:#6b8492;
  --primary:#0d5c63;
  --primary-2:#0a474d;
  --primary-soft:#e9f4f3;
  --accent:#dd842a;
  --accent-soft:#fdf2e3;
  --bg:#f4f7f6;
  --surface:#ffffff;
  --line:#dde6e4;
  --line-2:#ecf1f0;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(11,31,43,.05),0 6px 18px rgba(11,31,43,.06);
  --shadow-2:0 14px 36px rgba(11,31,43,.13);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.35;margin:0 0 .5em;letter-spacing:.01em}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-2)}
a:focus-visible,button:focus-visible,.btn:focus-visible,.dl-btn:focus-visible{outline:3px solid rgba(221,132,42,.55);outline-offset:2px}
ul,ol{margin:0;padding:0;list-style:none}

/* ---------- 容器与板块 ---------- */
.grid-container.pad-site{padding-left:22px;padding-right:22px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{display:inline-block;padding:5px 13px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px}
.section-title{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(13,92,99,.22)}
.btn-primary:hover{background:var(--primary-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,92,99,.28)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-2);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-lg{padding:13px 28px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:14px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{display:flex;align-items:center;gap:26px;padding:13px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--primary),#12767c);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 42px;box-shadow:0 6px 14px rgba(13,92,99,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:color .18s ease,background-color .18s ease}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-2)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;transition:background-color .18s ease,border-color .18s ease}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--primary)}
.header-sub{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.chip-bar{display:flex;align-items:center;gap:9px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip-label{flex:0 0 auto;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);padding-right:6px}
.chip{flex:0 0 auto;display:inline-block;padding:5px 13px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.chip:hover{background:rgba(221,132,42,.22);border-color:rgba(221,132,42,.55);color:#fff}
.chip.is-key{background:rgba(221,132,42,.9);border-color:rgba(221,132,42,.9);color:#fff;font-weight:600}
.chip.is-key:hover{background:#e8933c;color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1f2b 0%,#0d3d47 55%,#0d5c63 100%);color:#fff;padding:64px 0 58px}
.hero::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(221,132,42,.28),transparent 68%);pointer-events:none}
.hero::after{content:"";position:absolute;left:-160px;bottom:-240px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 70%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:start}
.hero-eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.9);margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(26px,3.3vw,40px);line-height:1.3;margin:0 0 18px;letter-spacing:.01em}
.hero-lead{color:rgba(255,255,255,.82);font-size:16px;line-height:1.95;margin:0 0 24px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-points li{position:relative;padding-left:16px}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:20px;backdrop-filter:blur(6px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px 14px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:16px}
.panel-head span{font-size:15px;font-weight:600;color:#fff}
.panel-head em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55)}
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.quick-card{display:block;min-width:0;padding:14px 15px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;transition:transform .18s ease,background-color .18s ease,border-color .18s ease}
.quick-card:hover{background:rgba(255,255,255,.16);border-color:rgba(221,132,42,.6);color:#fff;transform:translateY(-2px)}
.quick-card b{display:block;font-size:14.5px;font-weight:600;margin-bottom:4px}
.quick-card em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.62);display:block;line-height:1.6}

/* ---------- 下载区 ---------- */
.download-section{padding:0 0 64px;margin-top:-1px}
.download-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 30px;box-shadow:var(--shadow-2);display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:30px;align-items:center}
.download-copy h2{font-size:22px;margin-bottom:10px}
.download-copy p{color:var(--muted);font-size:14.5px;line-height:1.85;margin:0}
.download-note{display:block;margin-top:10px;font-size:12.5px;color:var(--muted)}
.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.dl-btn{display:flex;flex-direction:column;gap:3px;padding:15px 14px;border-radius:12px;background:var(--accent-soft);border:1px solid #f0dcc0;color:var(--ink);font-weight:700;font-size:14.5px;text-align:center;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}
.dl-btn span{font-weight:400;font-size:12px;color:#9a7245;letter-spacing:.02em}
.dl-btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(221,132,42,.22);background:#fcecd8;color:var(--ink)}
.dl-btn.is-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.dl-btn.is-primary span{color:rgba(255,255,255,.78)}
.dl-btn.is-primary:hover{background:var(--primary-2);box-shadow:0 12px 24px rgba(13,92,99,.28);color:#fff}

/* ---------- 资料目录 ---------- */
.dir-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.dir-item{display:block;min-width:0;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.dir-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c4dbd8;color:inherit}
.dir-num{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:9px}
.dir-title{font-size:16.5px;font-weight:700;color:var(--ink);margin:0 0 6px}
.dir-desc{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- 价值点 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.value-card{padding:24px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.value-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin-bottom:15px}
.value-card h3{font-size:16.5px;margin-bottom:8px}
.value-card p{font-size:13.8px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 关键图表 ---------- */
.chart-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 30px;box-shadow:var(--shadow-1)}
.chart-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:flex-end;margin-bottom:22px}
.chart-head h3{font-size:17px;margin:0}
.chart-head span{font-size:12.5px;color:var(--muted)}
.chart-row{display:grid;grid-template-columns:96px minmax(0,1fr) 108px;gap:14px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line-2)}
.chart-row:last-of-type{border-bottom:0}
.chart-label{font-size:14px;font-weight:600;color:var(--ink)}
.chart-bar{height:14px;border-radius:999px;background:#eef4f3;overflow:hidden}
.chart-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#2f9099);transition:width .5s ease}
.chart-row.is-warn .chart-bar i{background:linear-gradient(90deg,var(--accent),#e9a75f)}
.chart-val{font-size:13.5px;color:var(--ink-2);text-align:right;font-variant-numeric:tabular-nums}
.chart-note{margin:18px 0 0;font-size:12.8px;color:var(--muted);line-height:1.8;padding-top:14px;border-top:1px solid var(--line-2)}

/* ---------- 场景矩阵 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.scene-card{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:border-color .18s ease,transform .18s ease}
.scene-card:hover{border-color:#c4dbd8;transform:translateY(-2px)}
.scene-card h3{font-size:16.5px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.scene-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);flex:0 0 8px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 10px}
.scene-card p:last-child{margin-bottom:0}
.scene-tip{display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-weight:600}

/* ---------- 核验清单 / 风险 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{display:flex;gap:12px;padding:17px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0}
.check-item .mk{flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px}
.check-item b{display:block;font-size:14.8px;color:var(--ink);margin-bottom:4px}
.check-item p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0}
.risk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.risk-card{padding:24px 22px;border-radius:var(--radius);background:linear-gradient(160deg,#fdf7ef,#ffffff);border:1px solid #f2e3cd;min-width:0;transition:transform .18s ease,box-shadow .18s ease}
.risk-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(221,132,42,.14)}
.risk-card h3{font-size:16px;margin-bottom:8px;color:#8a5717}
.risk-card p{font-size:13.8px;color:#7a6242;line-height:1.8;margin:0}

/* ---------- 流程 ---------- */
.flow-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:flow}
.flow-step{position:relative;padding:24px 20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);min-width:0}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;margin-bottom:13px}
.flow-step h3{font-size:15.5px;margin-bottom:7px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 误区对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.compare-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);min-width:0}
.compare-card.is-bad{border-color:#f0d7d3;background:#fdf7f6}
.compare-card.is-good{border-color:#cfe4e1;background:#f4faf9}
.compare-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.compare-card ul li{position:relative;padding-left:20px;font-size:14px;line-height:1.85;color:var(--body);margin-bottom:9px}
.compare-card ul li:last-child{margin-bottom:0}
.compare-card.is-bad ul li::before{content:"×";position:absolute;left:0;top:0;color:#c2564a;font-weight:700}
.compare-card.is-good ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:700}

/* ---------- 相关资源 ---------- */
.res-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.res-card{display:block;min-width:0;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.res-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c4dbd8;color:inherit}
.res-card .res-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px}
.res-card h3{font-size:16.5px;margin-bottom:8px}
.res-card p{font-size:13.6px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{display:flex;flex-direction:column;min-width:0;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c4dbd8;color:inherit}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:11px}
.news-tag{font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:3px 10px}
.news-date{font-size:12.5px;color:var(--muted)}
.news-title{font-size:16px;line-height:1.55;margin:0 0 9px;color:var(--ink);overflow-wrap:break-word}
.news-desc{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0 0 14px;overflow-wrap:break-word}
.news-arrow{margin-top:auto;font-size:13px;font-weight:600;color:var(--accent)}
.news-empty{padding:26px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:14px;text-align:center;margin:0}
.news-more{display:flex;justify-content:center;margin-top:28px}

/* ---------- 自查清单 ---------- */
.selfcheck{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:32px;align-items:start}
.selfcheck-intro h2{font-size:clamp(22px,2.3vw,28px);margin-bottom:12px}
.selfcheck-intro p{color:var(--muted);font-size:15px;line-height:1.9;margin:0 0 16px}
.selfcheck-list{display:grid;gap:11px}
.selfcheck-item{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;font-size:14.2px;color:var(--ink-2);transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease}
.selfcheck-item:hover{border-color:#c4dbd8;box-shadow:var(--shadow-1)}
.selfcheck-item input{width:18px;height:18px;flex:0 0 18px;margin:3px 0 0;accent-color:var(--primary);cursor:pointer}
.selfcheck-item:has(input:checked){border-color:var(--primary);background:#f1f8f7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item[open]{border-color:#c4dbd8;box-shadow:var(--shadow-1)}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 30px 19px 0;font-size:15.8px;font-weight:600;color:var(--ink);position:relative;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:2px;top:16px;font-size:20px;font-weight:400;color:var(--primary);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0 0 20px;font-size:14.3px;color:var(--muted);line-height:1.9;padding-right:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(145deg,#12767c,#0d5c63)}
.footer-brand strong{color:#fff;font-size:17px}
.footer-desc{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.6);margin:0;max-width:420px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:13.8px;transition:color .18s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.8px;color:rgba(255,255,255,.5)}
.footer-bottom span{line-height:1.7}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .hero{padding:52px 0 48px}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dir-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .risk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .res-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-panel{grid-template-columns:minmax(0,1fr);gap:22px;padding:24px}
  .selfcheck{grid-template-columns:minmax(0,1fr);gap:22px}
  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
}
@media screen and (max-width:860px){
  .header-main{flex-wrap:wrap;gap:12px;padding:11px 0}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:2px;margin-left:0;max-height:0;overflow:hidden;transition:max-height .28s ease}
  .main-nav.is-open{max-height:340px;padding-bottom:10px}
  .nav-link{padding:11px 12px;border-radius:9px}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;bottom:6px}
  .header-actions{margin-left:auto}
}
@media screen and (max-width:768px){
  .section{padding:48px 0}
  .section--tight{padding:34px 0}
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px;line-height:1.9}
  .chart-row{grid-template-columns:78px minmax(0,1fr) 84px;gap:10px}
  .chart-val{font-size:12.5px}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .check-list{grid-template-columns:minmax(0,1fr)}
  .compare-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{justify-content:flex-start}
}
@media screen and (max-width:520px){
  .grid-container.pad-site{padding-left:16px;padding-right:16px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:11px}
  .value-grid,.dir-grid,.risk-grid,.flow-list,.res-grid,.news-list,.download-actions{grid-template-columns:minmax(0,1fr)}
  .quick-grid{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{width:100%}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .chart-row{grid-template-columns:70px minmax(0,1fr);grid-template-areas:"label bar" "label val";row-gap:4px}
  .chart-label{grid-area:label;align-self:center}
  .chart-bar{grid-area:bar}
  .chart-val{grid-area:val;text-align:left;color:var(--muted)}
  .faq-item{padding:0 16px}
}

/* roulang page: category1 */
:root{
  --ink:#0b1f2b;
  --ink-2:#16323f;
  --body:#334c5a;
  --muted:#6b8492;
  --primary:#0d5c63;
  --primary-2:#0a474d;
  --primary-soft:#e9f4f3;
  --accent:#dd842a;
  --accent-soft:#fdf2e3;
  --bg:#f4f7f6;
  --surface:#ffffff;
  --line:#dde6e4;
  --line-2:#ecf1f0;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(11,31,43,.05),0 6px 18px rgba(11,31,43,.06);
  --shadow-2:0 14px 36px rgba(11,31,43,.13);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{color:var(--ink);font-weight:700;line-height:1.35;margin:0}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-2)}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:3px solid rgba(221,132,42,.55);outline-offset:2px}
.grid-container.pad-site{padding-left:22px;padding-right:22px;max-width:var(--maxw)}
/* ---------- 板块 ---------- */
.section{padding:60px 0}
.section--tight{padding:42px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:32px}
.section-tag{display:inline-block;padding:5px 13px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px}
.section-title{font-size:clamp(21px,2.3vw,29px);margin-bottom:12px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(13,92,99,.22)}
.btn-primary:hover{background:var(--primary-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,92,99,.28)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(221,132,42,.28)}
.btn-accent:hover{background:#e8933c;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.72)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-2);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-lg{padding:13px 28px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%}
/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{position:relative;display:flex;align-items:center;gap:26px;padding:13px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--primary),#12767c);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 42px;box-shadow:0 6px 14px rgba(13,92,99,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:color .18s ease,background-color .18s ease}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-2)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;transition:background-color .18s ease,border-color .18s ease}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--primary)}
.header-sub{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.chip-bar{display:flex;align-items:center;gap:9px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip-label{flex:0 0 auto;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);padding-right:6px}
.chip{flex:0 0 auto;display:inline-block;padding:5px 13px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.chip:hover{background:rgba(221,132,42,.22);border-color:rgba(221,132,42,.55);color:#fff}
.chip.is-key{background:rgba(221,132,42,.9);border-color:rgba(221,132,42,.9);color:#fff;font-weight:600}
.chip.is-key:hover{background:#e8933c;color:#fff}
/* ---------- 分类页横幅（矮横幅，浅色） ---------- */
.cat-hero{background:linear-gradient(180deg,#eef5f4 0%,#f7faf9 62%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:26px 0 44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:#b9c9c6}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:34px;align-items:start}
.cat-hero h1{font-size:clamp(24px,2.9vw,35px);line-height:1.32;margin-bottom:16px}
.cat-hero .lead{font-size:16px;line-height:1.9;color:var(--body);max-width:720px}
.cat-hero .lead strong{color:var(--primary-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.summary-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 22px 18px;box-shadow:var(--shadow-1)}
.summary-panel h2{font-size:15px;color:var(--ink-2);letter-spacing:.04em;margin-bottom:14px}
.summary-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.summary-item:last-of-type{border-bottom:0}
.summary-item dt{font-size:14px;color:var(--muted);margin:0}
.summary-item dd{margin:0;font-size:16px;font-weight:700;color:var(--primary);white-space:nowrap}
.summary-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--muted)}
/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.site-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#cfe0dd}
.card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);font-size:16px;font-weight:700;margin-bottom:14px}
.card-icon.is-accent{background:var(--accent-soft);color:#b96b16}
.site-card h3{font-size:16.5px;margin-bottom:8px}
.site-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;background:var(--primary-soft);color:var(--primary);margin-right:6px;margin-bottom:6px}
.tag--accent{background:var(--accent-soft);color:#b96b16}
/* ---------- 杠杆与保证金表 ---------- */
.ratio-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.ratio-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,.9fr) minmax(0,2fr);gap:16px;padding:15px 22px;border-bottom:1px solid var(--line-2);font-size:14.5px;align-items:center}
.ratio-row:last-child{border-bottom:0}
.ratio-row.is-head{background:#f0f6f5;font-weight:700;color:var(--ink-2);font-size:13.5px;letter-spacing:.04em}
.ratio-row .k{font-weight:700;color:var(--ink-2)}
.ratio-row .v{color:var(--primary);font-weight:700}
.ratio-row .d{color:var(--muted);min-width:0}
.ratio-row.is-warn{background:#fdf8f1}
.ratio-row.is-warn .v{color:#b96b16}
.note-line{display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:14px 18px;border-radius:var(--radius);background:var(--accent-soft);border:1px solid #f3e0c6;font-size:13.5px;color:#8a5a1c;line-height:1.8}
/* ---------- 核验清单 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{min-width:0;display:flex;gap:13px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;transition:border-color .2s ease,box-shadow .2s ease}
.check-item:hover{border-color:var(--primary);box-shadow:var(--shadow-1)}
.check-num{flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:700}
.check-body{min-width:0}
.check-body h3{font-size:15.5px;margin-bottom:5px}
.check-body p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step-item{min-width:0;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px}
.step-item::before{counter-increment:step;content:"0" counter(step);display:block;font-size:22px;font-weight:700;color:#c3d6d3;margin-bottom:10px;letter-spacing:.04em}
.step-item h3{font-size:15.5px;margin-bottom:7px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-item summary{cursor:pointer;list-style:none;padding:17px 30px 17px 0;position:relative;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:2px;top:15px;font-size:20px;font-weight:400;color:var(--primary)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.9}
/* ---------- 最新发布 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{min-width:0;display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:inherit;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#cfe0dd;color:inherit}
.news-card h3{font-size:16px;margin-bottom:8px;line-height:1.55}
.news-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:11px}
.news-empty{padding:26px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface);color:var(--muted);font-size:14.5px}
/* ---------- 下载区 ---------- */
.download-panel{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1f2b 0%,#0d3d47 58%,#0d5c63 100%);border-radius:var(--radius-lg);padding:38px 34px;color:#fff;box-shadow:var(--shadow-2)}
.download-panel::before{content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(221,132,42,.26),transparent 68%)}
.download-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:30px;align-items:center}
.download-panel h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:12px}
.download-panel p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.9;margin:0}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.dl-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 10px;border-radius:var(--radius);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:14.5px;font-weight:600;text-align:center;transition:background-color .18s ease,transform .18s ease,border-color .18s ease}
.dl-btn span{display:block;font-size:11.5px;font-weight:400;color:rgba(255,255,255,.62);letter-spacing:.03em}
.dl-btn:hover{background:rgba(221,132,42,.9);border-color:rgba(221,132,42,.9);color:#fff;transform:translateY(-2px)}
.dl-btn:hover span{color:rgba(255,255,255,.85)}
/* ---------- 收口 CTA ---------- */
.cta-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 30px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;box-shadow:var(--shadow-1)}
.cta-band h2{font-size:clamp(19px,2vw,24px);margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:14.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:52px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr) minmax(0,.8fr);gap:34px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.02em}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:560px;margin:0}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:20px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:var(--accent)}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-inner{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{position:absolute;top:100%;left:0;right:0;margin-left:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border:1px solid var(--line);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-2);padding:10px 22px 16px;z-index:90}
  .main-nav.is-open{display:flex}
  .nav-link{padding:11px 12px}
  .nav-link.is-active::after{left:12px;right:auto;width:22px}
  .header-main{gap:14px}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .section--tight{padding:32px 0}
  .grid-4,.grid-3,.grid-2,.news-grid,.check-list,.step-list{grid-template-columns:minmax(0,1fr)}
  .ratio-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 14px;padding:14px 16px}
  .ratio-row .d{grid-column:1 / -1}
  .download-panel{padding:28px 20px}
  .cta-band{padding:24px 20px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px}
  .brand-text em{display:none}
}
@media (max-width:520px){
  .grid-container.pad-site{padding-left:16px;padding-right:16px}
  .cat-hero{padding:20px 0 34px}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .summary-item dd{font-size:15px}
  .header-actions .btn-sm{padding:8px 12px;font-size:13px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --ink:#0b1f2b;
  --ink-2:#16323f;
  --body:#334c5a;
  --muted:#6b8492;
  --primary:#0d5c63;
  --primary-2:#0a474d;
  --primary-soft:#e9f4f3;
  --accent:#dd842a;
  --accent-soft:#fdf2e3;
  --bg:#f4f7f6;
  --surface:#ffffff;
  --line:#dde6e4;
  --line-2:#ecf1f0;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(11,31,43,.05),0 6px 18px rgba(11,31,43,.06);
  --shadow-2:0 14px 36px rgba(11,31,43,.13);
  --maxw:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-2)}
a:focus-visible,button:focus-visible,.btn:focus-visible,.dl-btn:focus-visible{outline:3px solid rgba(221,132,42,.55);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700}
p{margin:0 0 14px}

/* ---------- 容器与板块 ---------- */
.grid-container.pad-site{padding-left:22px;padding-right:22px;max-width:var(--maxw)}
.section{padding:60px 0}
.section--tight{padding:40px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:30px}
.section-tag{display:inline-block;padding:5px 13px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:12px}
.section-title{font-size:clamp(21px,2.3vw,28px);margin-bottom:10px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0}
.anchor-offset{scroll-margin-top:118px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(13,92,99,.22)}
.btn-primary:hover{background:var(--primary-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,92,99,.28)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-2);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-lg{padding:13px 28px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:14px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{position:relative;display:flex;align-items:center;gap:26px;padding:13px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--primary),#12767c);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 42px;box-shadow:0 6px 14px rgba(13,92,99,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:color .18s ease,background-color .18s ease}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-2)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;transition:background-color .18s ease,border-color .18s ease}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--primary)}
.header-sub{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.chip-bar{display:flex;align-items:center;gap:9px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip-label{flex:0 0 auto;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);padding-right:6px}
.chip{flex:0 0 auto;display:inline-block;padding:5px 13px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.chip:hover{background:rgba(221,132,42,.22);border-color:rgba(221,132,42,.55);color:#fff}
.chip.is-key{background:rgba(221,132,42,.9);border-color:rgba(221,132,42,.9);color:#fff;font-weight:600}
.chip.is-key:hover{background:#e8933c;color:#fff}

/* ---------- 文章首部 ---------- */
.article-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1f2b 0%,#0d3d47 55%,#0d5c63 100%);color:#fff;padding:38px 0 74px;clip-path:polygon(0 0,100% 0,100% calc(100% - 46px),0 100%)}
.article-hero::before{content:"";position:absolute;width:460px;height:460px;right:-120px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(221,132,42,.26),transparent 68%);pointer-events:none}
.article-hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(255,255,255,.38)}
.article-title{color:#fff;font-size:clamp(23px,3vw,36px);line-height:1.36;letter-spacing:.01em;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.meta-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.9);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.meta-chip.is-accent{background:rgba(221,132,42,.9);border-color:rgba(221,132,42,.9);color:#fff;font-weight:600}

/* ---------- 文章主体布局 ---------- */
.article-wrap{padding:0 0 60px;margin-top:-34px;position:relative;z-index:3}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:34px 36px}
.article-panel-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--line-2)}
.article-panel-head h2{font-size:17px;color:var(--ink-2);margin:0}
.article-panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 8px}

/* ---------- 正文排版 ---------- */
.prose{font-size:16.5px;line-height:1.9;color:var(--body);min-width:0;overflow-wrap:break-word}
.prose h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--accent);color:var(--ink)}
.prose h3{font-size:18.5px;margin:26px 0 10px;color:var(--ink-2)}
.prose h4{font-size:16.5px;margin:20px 0 8px;color:var(--ink-2)}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose ul li,.prose ol li{margin-bottom:8px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose img{border-radius:var(--radius);margin:22px auto;box-shadow:var(--shadow-1)}
.prose blockquote{margin:22px 0;padding:16px 20px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2)}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.prose th{background:var(--primary-soft);color:var(--ink);font-weight:600}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.prose code{background:var(--line-2);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--ink-2)}
.prose hr{border:none;border-top:1px solid var(--line);margin:28px 0}
.empty-state{padding:30px 0;text-align:left}
.empty-state h2{font-size:21px;border-left:none;padding-left:0;margin-top:0}
.empty-state p{color:var(--muted)}
.empty-state .btn{margin-top:10px}

/* ---------- 侧栏 ---------- */
.side-stack{display:grid;gap:20px;position:sticky;top:118px;min-width:0}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1);min-width:0}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--ink-2);display:flex;align-items:center;gap:9px}
.side-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex:0 0 8px}
.side-list{list-style:none;display:grid;gap:11px}
.side-list li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.7;color:var(--body)}
.side-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 下载按钮 ---------- */
.dl-list{display:grid;gap:10px}
.dl-btn{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 15px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;font-size:14.5px;transition:border-color .18s ease,background-color .18s ease,transform .18s ease,box-shadow .18s ease}
.dl-btn span.tag{font-weight:500;color:var(--muted);font-size:12.5px;white-space:nowrap}
.dl-btn:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-2);transform:translateX(2px);box-shadow:var(--shadow-1)}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1);min-width:0;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c9dad7}
.metric-card .m-idx{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 10px;margin-bottom:12px}
.metric-card h3{font-size:16.5px;margin-bottom:9px}
.metric-card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 核验清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.check-item{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0;box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease}
.check-item:hover{border-color:#c9dad7;box-shadow:var(--shadow-2)}
.check-num{flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.check-body h3{font-size:16px;margin-bottom:7px}
.check-body p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 风险板块 ---------- */
.risk-band{background:linear-gradient(135deg,#0b1f2b 0%,#123742 60%,#0d5c63 100%);color:rgba(255,255,255,.82);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-2)}
.risk-band h2{color:#fff;font-size:21px;margin-bottom:8px}
.risk-band .risk-lead{color:rgba(255,255,255,.68);font-size:15px;margin-bottom:22px}
.risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.risk-cell{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-sm);padding:17px 18px;min-width:0}
.risk-cell h3{color:#fff;font-size:15.5px;margin-bottom:7px}
.risk-cell p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin:0}

/* ---------- 相关内容 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related-card{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#c9dad7}
.related-card .r-tag{font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:3px 10px;align-self:flex-start}
.related-card h3{font-size:15.5px;line-height:1.55;color:var(--ink-2);margin:0;overflow-wrap:break-word}
.related-card .r-more{font-size:13.5px;color:var(--primary);font-weight:600;margin-top:auto}
.related-card:hover h3{color:var(--primary-2)}

/* ---------- 下载区 ---------- */
.download-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-1);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:30px;align-items:center}
.download-copy h2{font-size:21px;margin-bottom:10px}
.download-copy p{color:var(--muted);font-size:15px;line-height:1.85;margin:0}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.big-dl{display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:16px 18px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;color:var(--ink);min-width:0;transition:border-color .18s ease,background-color .18s ease,transform .18s ease,box-shadow .18s ease}
.big-dl strong{font-size:15.5px}
.big-dl em{font-style:normal;font-size:12.5px;color:var(--muted);overflow-wrap:anywhere}
.big-dl:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--shadow-1);color:var(--primary-2)}

/* ---------- 收口 ---------- */
.closing{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;background:var(--accent-soft);border:1px solid #f3ddc0;border-radius:var(--radius-lg);padding:26px 30px}
.closing-text h2{font-size:19px;margin-bottom:7px}
.closing-text p{margin:0;font-size:14.5px;color:#8a6433;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:52px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,.8fr) minmax(0,.8fr);gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:18px;letter-spacing:.02em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:560px;margin:0}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-band{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr)}
}
@media (max-width:860px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);padding:10px 16px;margin-left:0}
  .main-nav.is-open{display:flex}
  .nav-link{padding:11px 12px;border-radius:10px}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-main{gap:14px}
  .brand-text em{display:none}
  .header-actions .btn{display:none}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .article-hero{padding:28px 0 64px;clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),0 100%)}
  .article-panel{padding:24px 20px}
  .side-stack{grid-template-columns:minmax(0,1fr)}
  .check-grid{grid-template-columns:minmax(0,1fr)}
  .risk-grid{grid-template-columns:minmax(0,1fr)}
  .risk-band{padding:24px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .download-grid{grid-template-columns:minmax(0,1fr)}
  .download-band{padding:24px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px}
  .closing{padding:22px}
}
@media (max-width:520px){
  .grid-container.pad-site{padding-left:16px;padding-right:16px}
  .metric-grid{grid-template-columns:minmax(0,1fr)}
  .prose{font-size:16px}
  .prose h2{font-size:19.5px}
  .article-title{font-size:22px}
  .brand-text strong{font-size:16px}
  .dl-btn{flex-direction:column;align-items:flex-start;gap:2px}
}