/* roulang page: index */
:root{
  --ink:#0b1b2b;
  --ink-2:#112a3f;
  --brand:#12507b;
  --brand-2:#177f8a;
  --brand-soft:#eef6fb;
  --accent:#d9662a;
  --accent-soft:#fdf2ea;
  --bg:#f4f7fa;
  --surface:#ffffff;
  --line:#e2e8f0;
  --text:#17222f;
  --muted:#5b6b7c;
  --soft-text:#8697a6;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(11,27,43,.05),0 8px 20px rgba(11,27,43,.06);
  --shadow-md:0 14px 34px rgba(11,27,43,.12);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15.5px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:.2px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:252px;
  background:linear-gradient(180deg,#0b1b2b 0%,#0f2a3f 55%,#0a1a29 100%);
  color:#b9c9d6;display:flex;flex-direction:column;gap:26px;
  padding:26px 18px;overflow-y:auto;z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(23,127,138,.35);
}
.brand-text{min-width:0}
.brand-text strong{display:block;color:#fff;font-size:16px;letter-spacing:.6px}
.brand-text em{display:block;font-style:normal;font-size:11px;color:#7f97a8;letter-spacing:.2px;white-space:nowrap}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  display:block;padding:10px 13px;border-radius:10px;font-size:14.5px;
  color:#a9bccb;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s;
}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link.is-active{background:rgba(27,111,156,.38);color:#fff;box-shadow:inset 3px 0 0 #45c2d4}
.nav-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.09);padding-top:16px}
.nav-foot p{font-size:12px;color:#7f97a8;line-height:1.7;margin-bottom:12px}
.nav-cta{
  display:block;text-align:center;padding:10px 14px;border-radius:10px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);color:#fff;font-size:13.5px;font-weight:600;
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,127,138,.35)}

/* ---------- 主内容区 ---------- */
.main-col{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.topbar{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;font-size:13.5px;color:var(--muted)}
.topbar-inner .tb-tag{display:inline-flex;align-items:center;gap:8px}
.topbar-inner .tb-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 3px rgba(23,127,138,.15)}
.topbar-inner a{color:var(--brand);font-weight:600}
.topbar-inner a:hover{color:var(--brand-2)}

.block{padding:52px 0}
.block.tight{padding:38px 0}
.block.alt{background:linear-gradient(180deg,#ffffff,#f7fafc)}
.sec-head{margin-bottom:26px;max-width:760px}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1px;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;font-weight:600;
}
.sec-head h2{font-size:25px;color:var(--ink);margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:14.8px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:11px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn-primary{background:linear-gradient(135deg,#12507b,#177f8a);color:#fff;box-shadow:0 10px 22px rgba(18,80,123,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,80,123,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#cfdde8}
.btn-ghost:hover{border-color:var(--brand);background:#f2f8fc;transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(217,102,42,.26)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,102,42,.32)}
.btn:active{transform:translateY(0)}

/* ---------- Bento 首屏 ---------- */
.hero{padding:46px 0 40px;background:
  radial-gradient(900px 380px at 88% -12%,rgba(23,127,138,.13),transparent 62%),
  radial-gradient(700px 300px at 4% 0%,rgba(18,80,123,.10),transparent 60%),
  linear-gradient(180deg,#ffffff,#f4f7fa);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;gap:18px;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  grid-template-areas:"main a" "main b";
}
.hero-main{
  grid-area:main;background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:34px 34px 30px;box-shadow:var(--shadow-sm);min-width:0;
}
.tag{
  display:inline-block;font-size:12.5px;color:var(--brand-2);background:#eaf6f7;
  border-radius:999px;padding:4px 12px;font-weight:600;letter-spacing:.6px;margin-bottom:16px;
}
.hero-main h1{font-size:33px;line-height:1.34;color:var(--ink);letter-spacing:.4px;margin-bottom:16px}
.hero-lead{color:#46586a;font-size:15px;line-height:1.9;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;border-top:1px dashed var(--line);padding-top:16px}
.hero-points li{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:7px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);flex:0 0 auto}

.hero-tile{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:20px 22px;box-shadow:var(--shadow-sm);min-width:0;
}
.hero-tile.tile-a{grid-area:a}
.hero-tile.tile-b{grid-area:b}
.tile-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:16px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);flex:0 0 auto}
.dot-amber{background:var(--accent)}
.bar-rows{display:flex;flex-direction:column;gap:12px}
.bar-row{display:grid;grid-template-columns:76px minmax(0,1fr) 34px;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.bar{height:9px;border-radius:999px;background:#eef2f6;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#1b6f9c,#177f8a)}
.bar i.bar-amber{background:linear-gradient(90deg,#e2874a,#d9662a)}
.bar-row b{color:var(--ink);font-size:13px;text-align:right}
.tile-note{margin-top:14px;font-size:12.5px;color:var(--soft-text);line-height:1.7}

.meter{position:relative;height:14px;border-radius:999px;background:#eef2f6;overflow:hidden;margin-bottom:16px}
.meter-fill{position:absolute;inset:0;width:100%;background:linear-gradient(90deg,#1b6f9c,#177f8a 40%,#e2a13a 68%,#d9662a)}
.meter-mark{
  position:absolute;top:-6px;transform:translateX(-50%);font-size:10.5px;color:#fff;
  background:var(--ink);border-radius:5px;padding:1px 5px;line-height:1.5;
}
.meter-mark-end{background:var(--accent)}
.meter-legend{display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:var(--muted)}
.meter-legend li{display:flex;gap:8px;align-items:flex-start}
.meter-legend b{color:var(--ink);flex:0 0 auto;min-width:62px}

.hero-strip{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  background:linear-gradient(135deg,#0d2233,#123c55 60%,#11525e);color:#dbe8f0;
  border-radius:16px;padding:18px 24px;
}
.hero-strip p{font-size:14.5px;line-height:1.7;max-width:720px}

/* ---------- 快捷入口条 ---------- */
.quick-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-sm);
}
.quick-bar .qb-label{font-size:13px;color:var(--soft-text);margin-right:4px;font-weight:600}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  background:#f1f6fa;color:var(--brand);font-size:13.5px;font-weight:500;
  border:1px solid #e0ebf3;transition:background .2s,color .2s,transform .2s,border-color .2s;
}
.chip:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}

/* ---------- 网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdde8}

/* ---------- 指标看板 ---------- */
.metric{display:flex;flex-direction:column;gap:8px;position:relative;overflow:hidden}
.metric::after{content:"";position:absolute;right:-30px;top:-30px;width:86px;height:86px;border-radius:50%;background:rgba(23,127,138,.07)}
.metric .m-label{font-size:13px;color:var(--muted)}
.metric .m-value{font-size:28px;font-weight:700;color:var(--brand);letter-spacing:.5px;line-height:1.2}
.metric .m-value small{font-size:14px;font-weight:600;color:var(--brand-2);margin-left:2px}
.metric .m-desc{font-size:12.8px;color:var(--soft-text);line-height:1.7}
.metric.warn .m-value{color:var(--accent)}
.metric.warn::after{background:rgba(217,102,42,.08)}

/* ---------- 下载区 ---------- */
.download-band{
  background:linear-gradient(135deg,#0c2032,#123c55 55%,#11525e);
  border-radius:20px;padding:32px 34px;color:#dbe8f0;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:28px;align-items:center;
  box-shadow:0 20px 44px rgba(12,32,50,.22);position:relative;overflow:hidden;
}
.download-band::before{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(69,194,212,.22),transparent 68%);
}
.download-band h2{font-size:23px;color:#fff;margin-bottom:10px}
.download-band p{font-size:14px;color:#a9c3d3;line-height:1.8}
.dl-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;position:relative;z-index:2}
.dl-btn{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.96);
  border-radius:13px;padding:13px 14px;color:var(--ink);
  transition:transform .2s,box-shadow .2s,background .2s;min-width:0;
}
.dl-btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(0,0,0,.22);background:#fff}
.dl-btn svg{flex:0 0 auto;color:var(--brand-2)}
.dl-btn span{display:block;min-width:0}
.dl-btn strong{display:block;font-size:14px;line-height:1.4;white-space:nowrap}
.dl-btn em{display:block;font-style:normal;font-size:11.5px;color:var(--soft-text);white-space:nowrap}

/* ---------- 专题入口矩阵 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.entry{
  display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;min-width:0;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdde8}
.entry .e-ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:15px;
}
.entry.featured{background:linear-gradient(140deg,#12507b,#177f8a);border-color:transparent;color:#e8f3f8}
.entry.featured .e-ico{background:rgba(255,255,255,.18);color:#fff}
.entry.featured h3{color:#fff}
.entry.featured p{color:#bcd8e4}
.entry h3{font-size:16px;color:var(--ink)}
.entry p{font-size:13.4px;color:var(--muted);line-height:1.7}

/* ---------- 知识矩阵卡 ---------- */
.k-card{display:flex;flex-direction:column;gap:10px}
.k-card .k-num{font-size:12.5px;font-weight:700;color:var(--brand-2);letter-spacing:1px}
.k-card h3{font-size:16.5px;color:var(--ink)}
.k-card p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ---------- 精选清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 26px}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:15px 18px;font-size:14px;color:#33465a;line-height:1.75;min-width:0;
  box-shadow:var(--shadow-sm);
}
.checklist li b{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12.5px;margin-top:2px;
}

/* ---------- CMS 文章卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:20px;min-width:0;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cddde9}
.post-cat{align-self:flex-start;font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:3px 11px;font-weight:600}
.post-card h3{font-size:16.5px;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:13.8px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--soft-text);margin-top:auto;padding-top:6px}
.post-more{color:var(--brand-2);font-weight:600}
.empty-tip{grid-column:1/-1;color:var(--muted);font-size:14px;padding:20px 0}
.list-more{margin-top:24px;text-align:center}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.compare-col{border-radius:var(--radius);padding:24px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);min-width:0}
.compare-col.bad{background:#fdf7f4;border-color:#f1ddd1}
.compare-col.good{background:#f2f9fb;border-color:#d5e8ee}
.compare-col h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.compare-col.bad h3{color:#a6491f}
.compare-col.good h3{color:#10616c}
.compare-col ul{display:flex;flex-direction:column;gap:10px}
.compare-col li{font-size:13.8px;color:#3c4d5e;line-height:1.75;padding-left:16px;position:relative}
.compare-col li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#c98a63}
.compare-col.good li::before{background:var(--brand-2)}

/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;position:relative}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:22px;height:2px;background:linear-gradient(90deg,#cfe3ec,#cfe3ec);z-index:0}
.tl-item{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0;box-shadow:var(--shadow-sm)}
.tl-dot{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand-2);margin-bottom:14px}
.tl-item h3{font-size:15.5px;color:var(--ink);margin-bottom:8px}
.tl-item p{font-size:13.4px;color:var(--muted);line-height:1.75}
.tl-item .tl-step{font-size:12px;color:var(--brand-2);font-weight:700;letter-spacing:1px;display:block;margin-bottom:4px}

/* ---------- 资源中心 ---------- */
.res-item{display:flex;gap:14px;align-items:flex-start}
.res-item .r-ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#12507b,#177f8a);color:#fff;font-size:15px;font-weight:700;
}
.res-item h3{font-size:15.5px;color:var(--ink);margin-bottom:6px}
.res-item p{font-size:13.4px;color:var(--muted);line-height:1.75}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:22px;align-items:start}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:8px;box-shadow:var(--shadow-sm)}
.news-item{display:flex;gap:14px;align-items:flex-start;padding:16px 16px;border-radius:11px;transition:background .2s}
.news-item:hover{background:#f5fafd}
.news-item + .news-item{border-top:1px solid #eef2f6}
.news-item .n-tag{
  flex:0 0 auto;font-size:11.5px;color:var(--brand);background:var(--brand-soft);
  border-radius:6px;padding:2px 8px;margin-top:3px;font-weight:600;max-width:96px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-item .n-body{min-width:0}
.news-item h3{font-size:15px;color:var(--ink);margin-bottom:4px;line-height:1.5}
.news-item p{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item time{font-size:12px;color:var(--soft-text);display:block;margin-top:5px}
.side-note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.side-note h3{font-size:16px;color:var(--ink);margin-bottom:12px}
.side-note p{font-size:13.6px;color:var(--muted);line-height:1.85}
.side-note .note-divider{height:1px;background:var(--line);margin:16px 0}

/* ---------- 平台保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.guard{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand-2);border-radius:12px;padding:20px;min-width:0;box-shadow:var(--shadow-sm)}
.guard h3{font-size:15.5px;color:var(--ink);margin-bottom:8px}
.guard p{font-size:13.4px;color:var(--muted);line-height:1.78}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:4px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s}
.faq-item[open]{border-color:#c8dee9}
.faq-item summary{
  list-style:none;cursor:pointer;padding:15px 0;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;color:var(--brand-2);font-size:20px;font-weight:400;line-height:1;transition:transform .2s}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- 自测表单 ---------- */
.quiz-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:32px;box-shadow:var(--shadow-sm);max-width:920px;margin:0 auto;
}
.quiz-q{padding:16px 0;border-bottom:1px dashed var(--line)}
.quiz-q:last-of-type{border-bottom:0}
.q-title{font-size:14.8px;font-weight:600;color:var(--ink);margin-bottom:12px}
.q-opts{display:flex;flex-wrap:wrap;gap:10px}
.q-opts label{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:10px;
  border:1px solid var(--line);background:#f8fafc;font-size:13.6px;color:#3c4d5e;cursor:pointer;
  transition:border-color .2s,background .2s,color .2s;min-width:0;
}
.q-opts label:hover{border-color:#bcd6e3;background:#f1f8fc}
.q-opts input{accent-color:var(--brand-2);margin:0}
.q-opts label:has(input:checked){border-color:var(--brand-2);background:#eaf6f7;color:#0f5c66;font-weight:600}
.quiz-actions{margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.quiz-tip{font-size:12.8px;color:var(--soft-text)}
.quiz-result{
  margin-top:20px;padding:20px 22px;border-radius:13px;background:var(--brand-soft);
  border-left:3px solid var(--brand-2);
}
.quiz-result strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:6px}
.quiz-result p{font-size:13.8px;color:#3c4d5e;line-height:1.8}

/* ---------- 常用入口 ---------- */
.shortcut-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.shortcut{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  font-size:14.5px;color:var(--ink);font-weight:600;min-width:0;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.shortcut:hover{transform:translateY(-2px);border-color:#bcd6e3;box-shadow:var(--shadow-sm)}
.shortcut span{color:var(--brand-2);font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{background:#0a1a29;color:#9fb3c2;padding:48px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:30px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.4px;line-height:1.85;color:#8ba0b0;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:13.4px;color:#9fb3c2;transition:color .2s}
.footer-col a:hover{color:#fff}
.friend-links{padding:26px 0 8px;border-bottom:1px solid rgba(255,255,255,.08)}
.friend-links h4{font-size:13.5px;color:#cddbe6;margin-bottom:12px;letter-spacing:.5px}
.friend-links-list{display:flex;flex-wrap:wrap;gap:9px 20px;font-size:13.2px;line-height:1.9}
.friend-links-list a{color:#93a8b8;transition:color .2s}
.friend-links-list a:hover{color:#fff}
.footer-bottom{padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.8px;color:#7d909f}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "a" "b"}
  .grid-4,.entry-grid,.shortcut-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.post-grid,.guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline::before{display:none}
  .download-band{grid-template-columns:minmax(0,1fr);padding:28px}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
@media (max-width:1024px){
  .side-nav{
    position:sticky;top:0;left:auto;right:auto;bottom:auto;width:100%;
    flex-direction:row;align-items:center;gap:16px;padding:12px 18px;height:auto;
    border-right:0;border-bottom:1px solid rgba(255,255,255,.08);overflow-x:auto;overflow-y:hidden;
  }
  .brand-text em{display:none}
  .nav-list{flex-direction:row;gap:4px}
  .nav-link{padding:8px 12px;font-size:13.5px}
  .nav-foot{display:none}
  .main-col{margin-left:0}
  .topbar{display:none}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .block{padding:38px 0}
  .hero{padding:32px 0 30px}
  .hero-main{padding:26px 22px}
  .hero-main h1{font-size:25px}
  .grid-2,.compare,.checklist,.dl-buttons{grid-template-columns:minmax(0,1fr)}
  .grid-3,.grid-4,.post-grid,.guard-grid,.entry-grid,.shortcut-grid,.timeline{grid-template-columns:minmax(0,1fr)}
  .sec-head h2{font-size:21px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .dl-btn strong,.dl-btn em{white-space:normal}
  .hero-strip{flex-direction:column;align-items:flex-start}
  .quiz-wrap{padding:22px 18px}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero-main h1{font-size:22px}
  .hero-actions .btn{width:100%}
  .metric .m-value{font-size:24px}
  .download-band{padding:22px}
  .faq-item{padding:4px 16px}
  .bar-row{grid-template-columns:64px minmax(0,1fr) 30px;font-size:12px}
}

/* roulang page: article */
:root{
  --ink:#0b1b2b;
  --ink-2:#112a3f;
  --brand:#12507b;
  --brand-2:#177f8a;
  --brand-soft:#eef6fb;
  --accent:#d9662a;
  --accent-soft:#fdf2ea;
  --bg:#f4f7fa;
  --surface:#ffffff;
  --line:#e2e8f0;
  --text:#17222f;
  --muted:#5b6b7c;
  --soft-text:#8697a6;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(11,27,43,.05),0 8px 20px rgba(11,27,43,.06);
  --shadow-md:0 14px 34px rgba(11,27,43,.12);
  --maxw:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15.5px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 30px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:252px;
  background:linear-gradient(180deg,#0b1b2b 0%,#0f2a3f 55%,#0a1a29 100%);
  color:#b9c9d6;display:flex;flex-direction:column;gap:26px;
  padding:26px 18px;overflow-y:auto;z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(23,127,138,.35);
}
.brand-text{min-width:0}
.brand-text strong{display:block;color:#fff;font-size:16px;letter-spacing:.6px}
.brand-text em{display:block;font-style:normal;font-size:11px;color:#7f97a8;letter-spacing:.2px;white-space:nowrap}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  display:block;padding:10px 13px;border-radius:10px;font-size:14.5px;
  color:#a9bccb;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s;
}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link.is-active{background:rgba(27,111,156,.38);color:#fff;box-shadow:inset 3px 0 0 #45c2d4}
.nav-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.09);padding-top:16px}
.nav-foot p{font-size:12px;color:#7f97a8;line-height:1.7;margin-bottom:12px}
.nav-cta{
  display:block;text-align:center;padding:10px 14px;border-radius:10px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);color:#fff;font-size:13.5px;font-weight:600;
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,127,138,.35)}

/* ---------- 主内容区 ---------- */
.main-col{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.topbar{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;font-size:13.5px;color:var(--muted)}
.tb-tag{display:inline-flex;align-items:center;gap:8px}
.tb-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 3px rgba(23,127,138,.15);display:inline-block}
.topbar-inner a{color:var(--brand);font-weight:600}
.topbar-inner a:hover{color:var(--brand-2)}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1px;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;font-weight:600;
}
.tag{
  display:inline-block;font-size:12.5px;color:var(--brand-2);background:#eaf6f7;
  border-radius:999px;padding:4px 12px;font-weight:600;letter-spacing:.6px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:11px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn-primary{background:linear-gradient(135deg,#12507b,#177f8a);color:#fff;box-shadow:0 10px 22px rgba(18,80,123,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,80,123,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#cfdde8}
.btn-ghost:hover{border-color:var(--brand);background:#f2f8fc;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.section{padding:42px 0}
.section-head{max-width:760px;margin-bottom:22px}
.section-head h2{font-size:24px;color:var(--ink);letter-spacing:.3px;line-height:1.45}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.9}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:32px 0 34px;
  background:
    radial-gradient(820px 340px at 88% -18%,rgba(23,127,138,.14),transparent 62%),
    radial-gradient(660px 280px at 2% 0%,rgba(18,80,123,.10),transparent 60%),
    linear-gradient(180deg,#ffffff,#f4f7fa);
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--soft-text);margin-bottom:18px}
.crumb a{color:var(--brand);font-weight:600}
.crumb a:hover{color:var(--brand-2)}
.crumb span{color:#c2ceda}
.crumb em{font-style:normal;color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:900px}
.article-head h1{font-size:31px;line-height:1.42;color:var(--ink);letter-spacing:.3px;margin:14px 0 16px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--soft-text);margin-bottom:16px}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);flex:0 0 auto}
.article-lead{
  font-size:15px;color:#45596b;line-height:1.95;background:rgba(255,255,255,.78);
  border:1px solid var(--line);border-left:4px solid var(--brand-2);
  border-radius:0 14px 14px 0;padding:16px 20px;
}

/* ---------- 文章主体布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:22px;align-items:start}
.article-main{min-width:0}
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 36px;box-shadow:var(--shadow-sm);
  font-size:15.5px;color:#27323d;line-height:1.98;min-width:0;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:21px;color:var(--ink);margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--brand-2);line-height:1.55}
.article-body h3{font-size:17px;color:var(--ink-2);margin:22px 0 10px}
.article-body h4{font-size:15.5px;color:var(--ink-2);margin:18px 0 8px}
.article-body p{margin:0 0 14px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:1.4em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:12px;margin:16px 0;max-width:100%;height:auto}
.article-body blockquote{margin:18px 0;padding:14px 18px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:#2b4152}
.article-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.article-body th{background:#f1f6fa;color:var(--ink);font-weight:600}
.article-body a{color:var(--brand);text-decoration:underline}
.article-body strong{color:var(--ink)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:24px 0}
.article-empty{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px 34px;box-shadow:var(--shadow-sm);text-align:center;
}
.article-empty h2{font-size:22px;color:var(--ink);margin-bottom:12px}
.article-empty p{color:var(--muted);font-size:14.5px;line-height:1.9;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:20px;min-width:0}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;box-shadow:var(--shadow-sm);min-width:0}
.side-card h3{font-size:15px;color:var(--ink);margin-bottom:12px;letter-spacing:.3px}
.side-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-list li{font-size:13.5px;color:#41556a;line-height:1.8;padding-left:16px;position:relative}
.side-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand-2);transform:rotate(45deg)}
.side-mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:4px}
.side-mini div{background:#f5f9fc;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.side-mini b{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
.side-mini span{font-size:12px;color:var(--muted)}
.side-card .btn{width:100%;margin-top:14px;font-size:14px;padding:10px 16px}

/* ---------- 指标看板 ---------- */
.data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.data-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.data-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe0ec}
.data-card .d-key{font-size:12.5px;color:var(--brand-2);font-weight:600;letter-spacing:.6px;margin-bottom:8px;display:block}
.data-card h3{font-size:16.5px;color:var(--ink);margin-bottom:9px}
.data-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.data-card.highlight{background:linear-gradient(150deg,#0f2a3f,#11525e);border-color:#15384c}
.data-card.highlight .d-key{color:#74d7e0}
.data-card.highlight h3{color:#fff}
.data-card.highlight p{color:#bcd0dc}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;box-shadow:var(--shadow-sm);min-width:0}
.compare-card .c-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.c-badge{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;flex:0 0 auto}
.c-badge.calm{background:linear-gradient(135deg,#177f8a,#12507b)}
.c-badge.tight{background:linear-gradient(135deg,#d9662a,#b74d18)}
.compare-card h3{font-size:17px;color:var(--ink)}
.compare-card ul{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.compare-card li{font-size:14px;color:#41556a;line-height:1.85;padding-left:18px;position:relative}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand-2)}
.compare-card.tight-mode li::before{background:var(--accent)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:flow}
.flow-step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);position:relative;min-width:0;
  transition:transform .22s,box-shadow .22s;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.flow-step::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-size:12.5px;font-weight:700;color:var(--brand-2);letter-spacing:1px;
  display:block;margin-bottom:10px;
}
.flow-step h3{font-size:15.5px;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---------- 纪律清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;
  box-shadow:var(--shadow-sm);min-width:0;
}
.check-item .mk{
  width:22px;height:22px;flex:0 0 auto;border-radius:7px;background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:2px;
}
.check-item p{font-size:14px;color:#3d5163;line-height:1.85;min-width:0}

/* ---------- 专题入口 ---------- */
.topic-panel{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
  background:linear-gradient(135deg,#0d2233,#123c55 58%,#11525e);
  border-radius:20px;padding:34px 36px;box-shadow:var(--shadow-md);
}
.topic-panel h2{color:#fff;font-size:22px;margin-bottom:10px;letter-spacing:.3px}
.topic-panel p{color:#b9cddb;font-size:14px;line-height:1.9;max-width:640px}
.topic-panel .btn{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.topic-panel .btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.24)}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.topic-tags span{font-size:12.5px;color:#a8c6d6;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 12px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background .2s,color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand-2);font-weight:400;line-height:1;flex:0 0 auto}
.faq-item[open] summary{background:#f5f9fc;color:var(--brand)}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 22px 18px;font-size:14px;color:var(--muted);line-height:1.95}

/* ---------- 下载 ---------- */
.download-panel{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:36px;box-shadow:var(--shadow-md);
}
.download-copy h2{font-size:23px;color:var(--ink);margin-bottom:12px}
.download-copy p{font-size:14.5px;color:var(--muted);line-height:1.9}
.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.dl-btn{
  display:flex;flex-direction:column;gap:4px;padding:20px 18px;border-radius:14px;
  background:#f4f9fc;border:1px solid #d9e6f0;color:var(--ink);font-size:15px;font-weight:600;
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;min-width:0;
}
.dl-btn em{font-style:normal;font-size:12.5px;color:var(--muted);font-weight:400}
.dl-btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(18,80,123,.16);border-color:var(--brand);background:#fff}
.dl-btn:active{transform:translateY(0)}
.dl-btn.primary{background:linear-gradient(135deg,#12507b,#177f8a);border-color:transparent;color:#fff;box-shadow:0 12px 26px rgba(18,80,123,.26)}
.dl-btn.primary em{color:#cfe6ee}
.dl-btn.primary:hover{box-shadow:0 16px 32px rgba(18,80,123,.32)}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,#0b1b2b,#0e2739);color:#a9bccb;padding:46px 0 22px;margin-top:44px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:28px}
.footer-brand p{font-size:13.5px;color:#8ea3b3;line-height:1.9;margin-top:14px;max-width:360px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:600;letter-spacing:.4px}
.footer-col ul li{margin-bottom:8px}
.footer-col a{font-size:13.5px;color:#9db2c1;transition:color .2s}
.footer-col a:hover{color:#45c2d4}
.friend-links{margin-top:30px;border-top:1px solid rgba(255,255,255,.09);padding-top:20px}
.friend-links h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:600}
.friend-links-list{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px}
.friend-links-list a{color:#9db2c1;transition:color .2s}
.friend-links-list a:hover{color:#45c2d4}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.09);
  font-size:12.5px;color:#7f97a8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .side-nav{
    position:sticky;top:0;left:auto;right:auto;bottom:auto;width:100%;height:auto;
    flex-direction:row;align-items:center;flex-wrap:nowrap;gap:16px;
    padding:10px 16px;overflow-x:auto;overflow-y:hidden;border-right:0;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .brand{flex:0 0 auto}
  .brand-text em{display:none}
  .nav-list{flex-direction:row;gap:8px;flex:0 0 auto}
  .nav-link{padding:8px 12px;font-size:13.5px}
  .nav-foot{margin-top:0;border-top:0;padding-top:0;border-left:1px solid rgba(255,255,255,.14);padding-left:14px;flex:0 0 auto}
  .nav-foot p{display:none}
  .nav-cta{padding:8px 14px;font-size:13px;white-space:nowrap}
  .main-col{margin-left:0}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 260px}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-panel{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:768px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .section{padding:32px 0}
  .article-hero{padding:24px 0 26px}
  .article-head h1{font-size:24px}
  .article-body{padding:24px 20px;font-size:15px}
  .article-body h2{font-size:19px}
  .section-head h2{font-size:20px}
  .compare-grid{grid-template-columns:minmax(0,1fr)}
  .check-grid{grid-template-columns:minmax(0,1fr)}
  .topic-panel{grid-template-columns:minmax(0,1fr);padding:26px 22px}
  .download-panel{padding:24px 20px}
  .download-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .topbar-inner{height:auto;padding:10px 0;flex-wrap:wrap;font-size:12.5px}
}
@media (max-width:520px){
  .article-head h1{font-size:21px}
  .article-body{padding:20px 16px;font-size:14.5px}
  .article-body table{display:block;overflow-x:auto;border:0}
  .data-grid{grid-template-columns:minmax(0,1fr)}
  .flow{grid-template-columns:minmax(0,1fr)}
  .download-actions{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{justify-content:flex-start}
  .article-side{flex-direction:column}
  .article-side .side-card{flex:1 1 auto;width:100%}
  .btn{padding:11px 18px;font-size:14px}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#0b1b2b;
  --ink-2:#112a3f;
  --brand:#12507b;
  --brand-2:#177f8a;
  --brand-soft:#eef6fb;
  --accent:#d9662a;
  --accent-soft:#fdf2ea;
  --bg:#f4f7fa;
  --surface:#ffffff;
  --line:#e2e8f0;
  --text:#17222f;
  --muted:#5b6b7c;
  --soft-text:#8697a6;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(11,27,43,.05),0 8px 20px rgba(11,27,43,.06);
  --shadow-md:0 14px 34px rgba(11,27,43,.12);
  --maxw:1160px;
}
html{scroll-behavior:smooth;scroll-padding-top:20px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.75;font-size:15.5px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:252px;
  background:linear-gradient(180deg,#0b1b2b 0%,#0f2a3f 55%,#0a1a29 100%);
  color:#b9c9d6;display:flex;flex-direction:column;gap:26px;
  padding:26px 18px;overflow-y:auto;z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(23,127,138,.35);
}
.brand-text{min-width:0}
.brand-text strong{display:block;color:#fff;font-size:16px;letter-spacing:.6px}
.brand-text em{display:block;font-style:normal;font-size:11px;color:#7f97a8;letter-spacing:.2px;white-space:nowrap}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  display:block;padding:10px 13px;border-radius:10px;font-size:14.5px;
  color:#a9bccb;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s;
}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link.is-active{background:rgba(27,111,156,.38);color:#fff;box-shadow:inset 3px 0 0 #45c2d4}
.nav-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.09);padding-top:16px}
.nav-foot p{font-size:12px;color:#7f97a8;line-height:1.7;margin-bottom:12px}
.nav-cta{
  display:block;text-align:center;padding:10px 14px;border-radius:10px;
  background:linear-gradient(135deg,#1b6f9c,#177f8a);color:#fff;font-size:13.5px;font-weight:600;
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,127,138,.35)}

/* ---------- 主内容区 ---------- */
.main-col{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.topbar{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;font-size:13.5px;color:var(--muted)}
.tb-tag{display:inline-flex;align-items:center;gap:8px;min-width:0}
.tb-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 3px rgba(23,127,138,.15);flex:0 0 auto}
.topbar-inner a{color:var(--brand);font-weight:600;white-space:nowrap}
.topbar-inner a:hover{color:var(--brand-2)}

.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1px;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;font-weight:600;
}
.eyebrow-light{background:rgba(255,255,255,.14);color:#bfe3ea}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:11px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn-primary{background:linear-gradient(135deg,#12507b,#177f8a);color:#fff;box-shadow:0 10px 22px rgba(18,80,123,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,80,123,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#cfdde8}
.btn-ghost:hover{border-color:var(--brand);background:#f2f8fc;transform:translateY(-2px)}
.btn-light{background:#fff;color:#0b1b2b;box-shadow:0 10px 22px rgba(0,0,0,.18)}
.btn-light:hover{transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#e6f2f7;border-color:rgba(255,255,255,.32)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  padding:34px 0 40px;
  background:
    radial-gradient(900px 380px at 88% -12%,rgba(23,127,138,.13),transparent 62%),
    radial-gradient(700px 300px at 4% 0%,rgba(18,80,123,.10),transparent 60%),
    linear-gradient(180deg,#ffffff,#f4f7fa);
  border-bottom:1px solid var(--line);
}
.hero-panel{
  display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);gap:22px;
  background:linear-gradient(135deg,#0b1b2b 0%,#123c55 62%,#11525e 100%);
  border-radius:20px;padding:34px;color:#dbe8f0;box-shadow:var(--shadow-md);
}
.hero-copy{min-width:0}
.hero-copy h1{font-size:31px;line-height:1.36;color:#fff;letter-spacing:.3px;margin-bottom:16px}
.hero-lead{color:#b6cbd9;font-size:15px;line-height:1.92;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-side{
  min-width:0;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:20px;
}
.hero-side h2{font-size:14px;color:#eaf4f8;letter-spacing:.4px;margin-bottom:16px;font-weight:600}
.param-row{display:grid;grid-template-columns:58px minmax(0,1fr) 52px;align-items:center;gap:10px;font-size:12.5px;color:#a9c3d3;margin-bottom:12px}
.param-row:last-of-type{margin-bottom:0}
.param-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden}
.param-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#45c2d4,#d9662a)}
.param-val{text-align:right;color:#fff;font-weight:600;font-size:13px}
.hero-side .side-note{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.18);font-size:12px;line-height:1.7;color:#8fa9ba}

/* ---------- 首屏指标条 ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:18px 22px;margin-top:18px;box-shadow:var(--shadow-sm);
}
.metric-strip div{min-width:0;padding-left:14px;border-left:3px solid var(--brand-soft)}
.metric-strip div:first-child{padding-left:14px}
.metric-strip b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}
.metric-strip span{font-size:12.5px;color:var(--muted);line-height:1.6;display:block}

/* ---------- 通用板块 ---------- */
.section{padding:58px 0}
.section.surface{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:28px}
.section-head h2{font-size:26px;line-height:1.42;color:var(--ink);letter-spacing:.2px}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.8px;line-height:1.85}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe0ec}
.card h3{font-size:16.5px;color:var(--ink);margin-bottom:8px;line-height:1.55}
.card p{font-size:14.3px;color:var(--muted);line-height:1.85}
.num-badge{
  width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:14px;margin-bottom:14px;
}
.num-badge.warn{background:var(--accent-soft);color:var(--accent)}

/* ---------- 倍数对照数据区 ---------- */
.scale-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.scale-head{
  display:grid;grid-template-columns:110px 120px 210px minmax(0,1fr);gap:14px;
  padding:14px 22px;background:#f0f5f9;font-size:12.8px;font-weight:600;color:#3f5568;
  border-bottom:1px solid var(--line);
}
.scale-row{
  display:grid;grid-template-columns:110px 120px 210px minmax(0,1fr);gap:14px;
  padding:16px 22px;font-size:14px;color:var(--muted);align-items:center;
  border-bottom:1px solid var(--line);
}
.scale-row:last-child{border-bottom:0}
.scale-row b{color:var(--ink);font-size:14.5px}
.scale-row em{font-style:normal;color:var(--accent);font-weight:600}
.scale-note{
  margin-top:16px;font-size:13px;color:var(--soft-text);line-height:1.8;
  background:var(--accent-soft);border:1px solid #f3dcc9;border-radius:12px;padding:14px 18px;
}

/* ---------- 对比 ---------- */
.contrast-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);min-width:0;
}
.contrast-panel .cp-head{padding:18px 22px;border-bottom:1px solid var(--line)}
.contrast-panel .cp-head h3{font-size:16.5px;color:var(--ink);margin-bottom:4px}
.contrast-panel .cp-head span{font-size:12.8px;color:var(--muted)}
.cp-head.risk{background:linear-gradient(180deg,#fdf2ea,#fff);border-top:3px solid var(--accent)}
.cp-head.calm{background:linear-gradient(180deg,#eef6fb,#fff);border-top:3px solid var(--brand-2)}
.cp-list{padding:8px 22px 20px}
.cp-list li{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.8;
}
.cp-list li:last-child{border-bottom:0}
.cp-list li b{color:var(--ink);font-size:13.5px;font-weight:600}

/* ---------- 路径 ---------- */
.path-list{display:grid;gap:14px}
.path-item{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:border-color .2s,transform .2s;
}
.path-item:hover{border-color:#cfe0ec;transform:translateX(3px)}
.path-no{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#12507b,#177f8a);color:#fff;font-weight:700;font-size:14px;
}
.path-item h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.path-item p{font-size:14.2px;color:var(--muted);line-height:1.85}

/* ---------- 内容列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;min-width:0;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe0ec}
.post-cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-2);
  background:#eaf6f7;border-radius:999px;padding:3px 10px;
}
.post-card h3{font-size:15.8px;line-height:1.62;color:var(--ink)}
.post-card p{font-size:13.8px;color:var(--muted);line-height:1.8}
.post-time{font-size:12.4px;color:var(--soft-text);margin-top:auto;padding-top:6px}
.list-empty{
  background:var(--surface);border:1px dashed #cfdde8;border-radius:14px;
  padding:26px;text-align:center;color:var(--soft-text);font-size:14px;
}

/* ---------- 下载 ---------- */
.dl-panel{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:center;
  background:linear-gradient(135deg,#0b1b2b 0%,#123c55 60%,#11525e 100%);
  border-radius:20px;padding:34px;box-shadow:var(--shadow-md);color:#dbe8f0;
}
.dl-copy h2{font-size:25px;color:#fff;line-height:1.45;margin-bottom:12px}
.dl-copy p{font-size:14.5px;color:#b6cbd9;line-height:1.9;margin-bottom:16px}
.dl-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.dl-points li{font-size:13.2px;color:#a9c3d3;display:flex;align-items:center;gap:7px}
.dl-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:#45c2d4;flex:0 0 auto}
.dl-actions{display:grid;gap:12px;min-width:0}
.dl-btn{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;border-radius:12px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s,transform .2s,border-color .2s;
}
.dl-btn span{font-size:12px;color:#9db8c9;font-weight:500}
.dl-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);border-color:rgba(255,255,255,.34)}
.dl-btn:first-child{background:linear-gradient(135deg,#1b6f9c,#177f8a);border-color:transparent;box-shadow:0 10px 24px rgba(23,127,138,.3)}
.dl-btn:first-child span{color:#cfebef}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:4px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:border-color .2s;
}
.faq-item[open]{border-color:#cfe0ec}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 30px 16px 0;position:relative;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--brand-2);font-size:20px;font-weight:400;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 0 18px;font-size:14.3px;color:var(--muted);line-height:1.9}

/* ---------- 自测 ---------- */
.self-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;align-items:start}
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
}
.check-panel h3{font-size:16.5px;color:var(--ink);margin-bottom:6px}
.check-panel .cp-sub{font-size:13.4px;color:var(--muted);margin-bottom:16px}
.check-list{display:grid;gap:2px}
.check-item{
  display:flex;gap:11px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.2px;color:var(--muted);
  line-height:1.75;cursor:pointer;
}
.check-item:last-child{border-bottom:0}
.check-item input{
  width:17px;height:17px;flex:0 0 auto;margin-top:4px;accent-color:var(--brand-2);cursor:pointer;
}
.cta-panel{
  background:linear-gradient(135deg,#eef6fb,#ffffff 65%,#fdf2ea);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);min-width:0;
}
.cta-panel h3{font-size:19px;color:var(--ink);line-height:1.5;margin-bottom:10px}
.cta-panel p{font-size:14.3px;color:var(--muted);line-height:1.9;margin-bottom:18px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1b2b;color:#b9c9d6;padding:46px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,minmax(0,1fr));gap:30px}
.footer-brand{min-width:0}
.footer-brand p{margin-top:14px;font-size:13.4px;line-height:1.9;color:#8ba2b4}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.3px}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:13.4px;color:#9db2c2;transition:color .2s}
.footer-col a:hover{color:#fff}
.friend-links{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.friend-links h4{color:#fff;font-size:14px;margin-bottom:12px}
.friend-links-list{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13.4px;color:#9db2c2}
.friend-links-list a{color:#9db2c2;transition:color .2s}
.friend-links-list a:hover{color:#fff}
.friend-links:has(.friend-links-list:empty){display:none}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:18px;
  font-size:12.5px;color:#7f97a8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-panel{grid-template-columns:1fr;padding:28px}
  .hero-copy h1{font-size:28px}
  .grid-3,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-panel{grid-template-columns:1fr;padding:28px}
  .self-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .side-nav{
    position:static;width:100%;height:auto;flex-direction:row;flex-wrap:wrap;
    align-items:center;gap:14px;padding:14px 18px;
    border-right:0;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-list{flex-direction:row;flex-wrap:wrap;gap:6px;flex:1 1 auto}
  .nav-link{padding:8px 12px;font-size:14px}
  .nav-foot{margin-top:0;border-top:0;padding-top:0;flex:0 0 auto}
  .nav-foot p{display:none}
  .nav-cta{padding:8px 14px;font-size:13px}
  .main-col{margin-left:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .wrap{padding:0 18px}
  .section{padding:44px 0}
  .section-head h2{font-size:22px}
  .grid-3,.grid-2,.post-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:1fr;gap:12px;padding:16px 18px}
  .metric-strip div{padding-left:12px}
  .scale-head{display:none}
  .scale-row{
    grid-template-columns:1fr 1fr;gap:8px 14px;padding:16px 18px;
  }
  .scale-row .sr-desc{grid-column:1 / -1;font-size:13.4px}
  .cp-list li{grid-template-columns:1fr;gap:4px}
  .hero-copy h1{font-size:24px}
  .path-item{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .friend-links-list{gap:8px 16px}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero-panel{padding:22px}
  .hero-copy h1{font-size:22px;line-height:1.45}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .dl-btn{padding:12px 16px;font-size:14.5px}
  .dl-btn span{display:none}
  .topbar-inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:6px}
  .scale-row{grid-template-columns:1fr;gap:6px}
  .scale-row .sr-desc{grid-column:auto}
}