/* roulang page: index */
:root{
  --bg:#FFF8F2;--surface:#FFFFFF;--surface-2:#FFF1E6;
  --ink:#1F2328;--muted:#667085;--line:#F0D9C8;
  --brand:#F0674B;--brand-2:#FFB25B;--accent:#169C86;--accent-soft:#DFF7F0;
  --rank-gold:#E9A23B;--danger:#D64545;
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;
  --shadow-card:0 18px 50px rgba(52,32,22,.10);
  --shadow-soft:0 8px 24px rgba(52,32,22,.07);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;padding-bottom:calc(84px + env(safe-area-inset-bottom));
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(22,156,134,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;letter-spacing:.2px;transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(240,103,75,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(240,103,75,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-line:hover{color:var(--ink);border-color:var(--accent);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:0 10px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(240,103,75,.5)}
.btn-ghost:hover{color:var(--accent);text-decoration-color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap}
.badge-score{background:#FFE9CE;color:#8A5514}
.badge-verify{background:var(--accent);color:#fff}
.badge-soft{background:var(--accent-soft);color:#0E6B5C}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}
.rank-coin{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:0 0 38px;
  font-family:var(--mono);font-weight:800;font-size:15px;background:#fff;color:#8A5514;
  border:2px solid #F4C78A;box-shadow:0 6px 14px rgba(233,162,59,.22);
}
.rank-coin.g1{background:linear-gradient(140deg,#FFDFA8,#F5B84C);border-color:#E9A23B;color:#6B3E06}
.rank-coin.g2{background:#F4F5F7;border-color:#D5D9E0;color:#4B5563}
.rank-coin.g3{background:#FBE4D2;border-color:#E9B489;color:#8A4A1C}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 10px;background:rgba(255,248,242,.92);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(52,32,22,.08)}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:12px 14px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(240,103,75,.3);
  font-family:var(--mono);letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:500}
.nav-scroller{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 15px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);color:#3C4048;font-size:14.5px;font-weight:600;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55}
.nav-item.is-active{background:var(--surface-2);border-color:#F7C9A8;color:#B4472C}
.nav-item.is-active .dot{opacity:1;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;min-height:44px;padding:0 14px;border-radius:14px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:700}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-white{background:var(--surface)}
.section-mint{background:linear-gradient(180deg,#F2FCF9 0%,#FFF8F2 100%)}
.section-cream{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(26px,3.1vw,40px);font-weight:800;line-height:1.28;letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- hero ---------- */
.hero{position:relative;padding:52px 0 78px;overflow:hidden;background:linear-gradient(140deg,#FFE3D2 0%,#FFF1E6 46%,#FFF8F2 100%)}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,156,134,.28),rgba(22,156,134,0) 68%);pointer-events:none;
}
.hero-bg{position:absolute;inset:0;opacity:.22;background-size:cover;background-position:center;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:start}
.hero-title{font-size:clamp(34px,4.6vw,58px);line-height:1.18;font-weight:800;letter-spacing:-1px}
.hero-title em{font-style:normal;background:linear-gradient(100deg,var(--brand),#E9542F);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:20px;color:#4A4E55;font-size:16px;line-height:1.95;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-stat{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 16px;min-width:150px;
  box-shadow:var(--shadow-soft);
}
.hero-stat b{display:block;font-family:var(--mono);font-size:24px;line-height:1.2;color:#B4472C}
.hero-stat span{font-size:12.5px;color:var(--muted);font-weight:600}

.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:22px;box-shadow:var(--shadow-card);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head h2{font-size:17px;font-weight:800}
.panel-head span{font-size:12px;color:var(--muted);font-weight:600}
.rank-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px dashed #F5E1D2}
.rank-row:first-of-type{border-top:0}
.rank-info{flex:1 1 auto;min-width:0}
.rank-info strong{display:block;font-size:14.5px;font-weight:700;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-info span{font-size:12.5px;color:var(--muted)}
.progress-block{display:flex;align-items:center;gap:16px;background:var(--surface-2);border-radius:var(--radius-lg);padding:16px;margin-top:18px}
.ring{
  width:92px;height:92px;border-radius:50%;flex:0 0 92px;position:relative;display:grid;place-items:center;
  background:conic-gradient(var(--accent) calc(var(--p,78) * 1%),#FFE0CC 0);
}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff}
.ring span{position:relative;font-family:var(--mono);font-weight:800;font-size:18px;color:#0E6B5C}
.progress-text b{display:block;font-size:15px;font-weight:800}
.progress-text span{font-size:12.5px;color:var(--muted)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.tier{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 10px;text-align:center;transition:transform .18s ease,border-color .2s ease}
.tier:hover{transform:translateY(-3px);border-color:var(--accent)}
.tier b{display:block;font-size:13.5px;font-weight:800}
.tier span{font-size:11.5px;color:var(--muted);font-family:var(--mono)}
.panel-cta{margin-top:16px;width:100%}

/* ---------- feature cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:26px;
  box-shadow:var(--shadow-soft);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.icon-box{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--surface-2);color:var(--brand);
}
.icon-box svg{width:26px;height:26px}
.feature-card h3{font-size:20px;font-weight:800;line-height:1.4}
.feature-card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}
.card-foot{display:flex;align-items:center;gap:8px;margin-top:16px;flex-wrap:wrap}

/* ---------- scene ---------- */
.scene{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.scene-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff}
.scene-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-tagline{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);border-radius:14px;padding:10px 14px;
  font-size:13px;font-weight:700;color:#B4472C;box-shadow:var(--shadow-soft)
}
.scene-tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
.scene-tabs button{
  min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:700;color:#4A4E55;transition:all .2s ease;
}
.scene-tabs button:hover{border-color:var(--accent);color:var(--accent)}
.scene-tabs button.is-on{background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(240,103,75,.26)}
.scene-points li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed #F1DFD1}
.scene-points li:last-child{border-bottom:0}
.scene-points .pt-dot{width:26px;height:26px;flex:0 0 26px;border-radius:9px;background:var(--accent-soft);color:#0E6B5C;display:grid;place-items:center;font-family:var(--mono);font-weight:800;font-size:13px}
.scene-points b{display:block;font-size:15px;font-weight:700}
.scene-points span{font-size:13.5px;color:var(--muted)}

/* ---------- board ---------- */
.board{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:10px 24px;box-shadow:var(--shadow-card)}
.board-row{display:grid;grid-template-columns:44px 1fr 150px 132px;gap:16px;align-items:center;padding:18px 0;border-bottom:1px dashed #F1DFD1}
.board-row:last-child{border-bottom:0}
.board-title{font-size:15.5px;font-weight:700;line-height:1.45}
.board-meta{font-size:12.5px;color:var(--muted);margin-top:3px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--surface-2);color:#9A4A20;font-size:11.5px;font-weight:700}
.heat{height:8px;border-radius:999px;background:#FBEBE0;overflow:hidden}
.heat i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.heat-label{font-size:11.5px;color:var(--muted);font-family:var(--mono);margin-top:5px}

/* ---------- matrix ---------- */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.matrix-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow-soft)}
.matrix-card .mini-ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:#0E6B5C;margin-bottom:12px}
.matrix-card h3{font-size:16.5px;font-weight:800}
.matrix-card p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7}
.matrix-card .card-foot{margin-top:12px}

/* ---------- stats ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-soft)}
.stat-card b{display:block;font-family:var(--mono);font-size:38px;line-height:1.1;color:#B4472C;letter-spacing:-1px}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);font-weight:600}

/* ---------- reviews ---------- */
.review-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.review-score{font-family:var(--mono);font-size:34px;font-weight:800;color:#B4472C}
.stars{color:#E9A23B;letter-spacing:2px;font-size:15px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease}
.review-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(140deg,#F0674B,#FFB25B);font-size:14px}
.review-top b{display:block;font-size:14.5px}
.review-top span{font-size:12.5px;color:var(--muted)}
.review-card p{margin-top:14px;font-size:14px;color:#4A4E55;line-height:1.85}

/* ---------- compare ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:10px;box-shadow:var(--shadow-card);overflow-x:auto}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:620px;font-size:14.5px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid #F6E7DA}
.compare-table thead th{background:var(--surface-2);font-weight:800;color:#9A4A20;font-size:14px}
.compare-table thead th:first-child{border-radius:14px 0 0 14px}
.compare-table thead th:last-child{border-radius:0 14px 14px 0}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody th{font-weight:700;color:#3C4048}
.compare-table td.yes{color:#0E6B5C;font-weight:700}
.compare-table td.no{color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;position:relative}
.step-num{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-family:var(--mono);
  font-weight:800;font-size:14px;background:linear-gradient(140deg,var(--accent),#3BC2A8);color:#fff;margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:800}
.step p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}
.safety-box{background:linear-gradient(180deg,#EFFBF7,#F7FEFC);border:1px solid #CDEEE5;border-radius:var(--radius-xl);padding:34px}
.safety-box .steps .step{background:#fff}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.news-body h3{font-size:16.5px;font-weight:800;line-height:1.5}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.75;flex:1 1 auto}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700}
.news-more .arrow{transition:transform .2s ease}
.news-card:hover .news-more .arrow{transform:translateX(4px)}
.news-foot{display:flex;justify-content:center;margin-top:34px}
.empty-state{
  background:#fff;border:1px dashed #E7C9B4;border-radius:var(--radius-lg);padding:40px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{width:34px;height:34px;color:#D8B49A;margin:0 auto 12px}
.empty-state b{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.tl-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-soft)}
.tl-item .tl-num{font-family:var(--mono);font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1px}
.tl-item h3{margin-top:8px;font-size:17px;font-weight:800}
.tl-item p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.78}

/* ---------- topic cards ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.topic-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.topic-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.topic-body h3{font-size:18px;font-weight:800;line-height:1.45}
.topic-body h3 a{color:var(--ink)}
.topic-body h3 a:hover{color:var(--brand)}
.topic-body p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.75;flex:1 1 auto}

/* ---------- category entries ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:26px;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.cat-card .cat-kicker{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:800;letter-spacing:1px}
.cat-card h3{margin-top:8px;font-size:20px;font-weight:800}
.cat-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;flex:1 1 auto}
.cat-card .btn{margin-top:18px;align-self:flex-start}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
details.faq{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 20px;transition:background .2s ease,border-color .2s ease}
details.faq:hover{background:#FFFAF3;border-color:#F2CBAF}
details.faq[open]{border-color:var(--accent);background:#fff}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:15.5px;font-weight:700;color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none}
.faq-sign{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--surface-2);color:#B4472C;display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;transition:transform .2s ease,background .2s ease}
details.faq[open] .faq-sign{background:var(--accent);color:#fff;transform:rotate(45deg)}
details.faq p{padding:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--muted);max-width:78ch}

/* ---------- guards ---------- */
.guards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;display:flex;gap:12px;align-items:flex-start}
.guard .g-ico{width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:#0E6B5C}
.guard b{display:block;font-size:14.5px}
.guard span{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:44px;background:linear-gradient(130deg,#FFD9C4 0%,#FFB25B 58%,#F0674B 100%);box-shadow:var(--shadow-card)}
.cta-band::after{content:"";position:absolute;right:-90px;top:-110px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(22,156,134,.35),rgba(22,156,134,0) 70%)}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.cta-copy h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;color:#3A1C10}
.cta-copy p{margin-top:12px;font-size:14.5px;color:#5C3122;line-height:1.85}
.form-card{background:rgba(255,255,255,.96);border-radius:var(--radius-lg);padding:24px;box-shadow:0 18px 40px rgba(88,40,18,.18)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:700;color:#4A4E55}
.field input,.field select{
  height:44px;padding:0 13px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,156,134,.18)}
.field input::placeholder{color:#A8B0BB}
.form-note{margin-top:12px;font-size:12px;color:#7A6258;line-height:1.7}
.form-card .btn{margin-top:14px;width:100%}

/* ---------- footer ---------- */
.site-footer{background:#FFF3E4;border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand-name{font-size:16px}
.footer-brand p{margin-top:14px;font-size:13.5px;color:#7A6258;line-height:1.85;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:14px;color:#3C4048}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#6B5548}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid #F2DECB;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#8A7365}

/* ---------- bottom bar ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,248,242,.96);border-top:1px solid var(--line);
}
.bottom-inner{
  max-width:var(--container);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 12px 10px 20px;box-shadow:var(--shadow-card);
}
.bottom-inner p{font-size:13.5px;color:#4A4E55;font-weight:600}
.bottom-actions{display:flex;gap:8px}
.bottom-actions .btn{min-height:40px;padding:0 16px;font-size:13.5px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .board-row{grid-template-columns:40px 1fr 130px}
  .board-row .heat-col{display:none}
}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-3,.grid-6,.news-grid,.topic-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-4,.steps,.guards{grid-template-columns:repeat(2,1fr)}
  .scene{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
  .cta-band{padding:32px}
}
@media (max-width:768px){
  .nav-shell{flex-wrap:wrap;gap:10px;border-radius:20px}
  .brand{order:1}
  .nav-actions{order:2;margin-left:auto}
  .nav-toggle{display:inline-flex;align-items:center;order:2}
  .nav-scroller{order:3;flex:1 0 100%;justify-content:flex-start;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .nav-scroller::-webkit-scrollbar{display:none}
  .nav-scroller.is-collapsed{display:none}
  .nav-item{flex:0 0 auto}
  .hero{padding:34px 0 56px}
  .hero-title{font-size:clamp(28px,7vw,38px)}
  .hero-stat{min-width:calc(50% - 5px);flex:1 1 auto}
  .section{padding:48px 0}
  .board{padding:6px 16px}
  .board-row{grid-template-columns:38px 1fr;gap:12px}
  .board-row .score-col{grid-column:2;display:flex;gap:8px;align-items:center}
  .tiers{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .bottom-inner{flex-direction:column;align-items:stretch;gap:8px;border-radius:20px;padding:12px}
  .bottom-actions .btn{flex:1 1 auto}
  body{padding-bottom:calc(128px + env(safe-area-inset-bottom))}
}
@media (max-width:520px){
  .grid-3,.grid-6,.news-grid,.topic-grid,.cat-grid,.grid-4,.steps,.guards,.footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .brand-sub{display:none}
  .stat-card b{font-size:32px}
  .cta-band{padding:24px}
  .review-head{gap:10px}
}

/* roulang page: category1 */
:root{
  --bg:#FFF8F2;--surface:#FFFFFF;--surface-2:#FFF1E6;
  --ink:#1F2328;--muted:#667085;--line:#F0D9C8;
  --brand:#F0674B;--brand-2:#FFB25B;--accent:#169C86;--accent-soft:#DFF7F0;
  --rank-gold:#E9A23B;--danger:#D64545;
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;
  --shadow-card:0 18px 50px rgba(52,32,22,.10);
  --shadow-soft:0 8px 24px rgba(52,32,22,.07);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
  padding-bottom:calc(96px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(22,156,134,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(240,103,75,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(240,103,75,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-line:hover{color:var(--ink);border-color:var(--accent);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:0 10px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(240,103,75,.5)}
.btn-ghost:hover{color:var(--accent);text-decoration-color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap}
.badge-score{background:#FFE9CE;color:#8A5514}
.badge-verify{background:var(--accent);color:#fff}
.badge-soft{background:var(--accent-soft);color:#0E6B5C}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}

/* header / nav */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 10px;background:rgba(255,248,242,.94);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(52,32,22,.08)}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:12px 14px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(240,103,75,.3);
  font-family:var(--mono);letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:500}
.nav-scroller{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 15px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);color:#3C4048;font-size:14.5px;font-weight:600;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55}
.nav-item.is-active{background:var(--surface-2);border-color:#F7C9A8;color:#B4472C}
.nav-item.is-active .dot{opacity:1;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;min-height:44px;padding:0 14px;border-radius:14px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:700}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* section base */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-white{background:var(--surface)}
.section-mint{background:linear-gradient(180deg,#F2FCF9 0%,#FFF8F2 100%)}
.section-cream{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(26px,3.1vw,40px);letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* category head */
.cat-head{position:relative;padding:26px 0 60px;background:linear-gradient(160deg,#FFF1E6 0%,#FFF8F2 70%);overflow:hidden}
.cat-head::after{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(22,156,134,.20),rgba(22,156,134,0) 68%);pointer-events:none}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span{opacity:.6}
.cat-head-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cat-head-copy h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.6px}
.cat-head-copy p{margin-top:16px;color:#4A5058;font-size:15.8px;line-height:1.9;max-width:620px}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;min-width:132px;padding:12px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);
}
.stat-chip strong{font-family:var(--mono);font-size:24px;font-weight:700;color:#B4472C;line-height:1.2}
.stat-chip span{font-size:12.5px;color:var(--muted)}
.cat-head-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);aspect-ratio:4/3;background:var(--surface-2)}
.cat-head-media img{width:100%;height:100%;object-fit:cover}
.cat-head-media figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;padding:10px 14px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.92);font-size:12.8px;color:#4A5058;line-height:1.6;
}

/* tag matrix */
.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tag-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 18px 16px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tag-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.tag-card h3{font-size:16px;display:flex;align-items:center;gap:8px}
.tag-card h3 .tag-ico{
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--accent-soft);color:#0E6B5C;flex:0 0 auto;
}
.tag-card p{margin-top:8px;font-size:13.6px;color:var(--muted);line-height:1.7}
.tag-card .badge{margin-top:12px}

/* scene cards */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.scene-card h3{font-size:17px}
.scene-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;flex:1 1 auto}
.scene-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.scene-tags span{font-size:12px;color:#8A5514;background:#FFF3E2;border-radius:999px;padding:3px 10px}
.scene-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* steps / certify */
.certify-wrap{
  background:linear-gradient(140deg,#F1FCF8 0%,#FFFFFF 70%);
  border:1px solid #CDEFE4;border-radius:var(--radius-xl);padding:34px;box-shadow:var(--shadow-soft);
}
.certify-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.certify-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;transition:transform .2s ease,border-color .2s ease}
.certify-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.certify-num{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;font-family:var(--mono);
  font-weight:700;font-size:14px;color:#fff;background:linear-gradient(140deg,var(--accent),#3FC2A9);margin-bottom:12px;
}
.certify-card h3{font-size:16px}
.certify-card p{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.75}

/* rank list */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{
  display:grid;grid-template-columns:56px 1fr 190px 120px;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 20px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rank-row:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.rank-medal{font-size:24px;text-align:center;line-height:1}
.rank-medal .num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;font-family:var(--mono);
  font-size:15px;font-weight:700;color:#8A5514;border:2px solid #F3C892;background:#FFF6E8;
}
.rank-main h3{font-size:16.5px}
.rank-main span{display:block;margin-top:4px;font-size:13px;color:var(--muted)}
.heat{display:flex;flex-direction:column;gap:6px}
.heat-label{font-size:12px;color:var(--muted);font-family:var(--mono)}
.heat-bar{height:8px;border-radius:999px;background:#F6E6D8;overflow:hidden}
.heat-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.rank-score{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}

/* flow */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.flow-step{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:1px}
.flow-card h3{margin-top:10px;font-size:18px}
.flow-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78}
.flow-card .badge{margin-top:14px}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.faq-item:hover{background:#FFFBF6;border-color:#F3C4A4}
.faq-item summary{list-style:none;cursor:pointer;position:relative;padding:18px 54px 18px 22px;font-weight:700;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:700;color:var(--accent);line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item[open]{border-color:#F7C9A8;box-shadow:var(--shadow-soft)}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85}

/* news */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-soft);color:var(--ink);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card);color:var(--ink)}
.news-cat{align-self:flex-start;font-size:12px;font-weight:700;color:#0E6B5C;background:var(--accent-soft);border-radius:999px;padding:3px 11px}
.news-card h3{margin-top:12px;font-size:17px;line-height:1.55;transition:color .2s ease}
.news-card:hover h3{color:var(--brand)}
.news-card p{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.75;flex:1 1 auto}
.news-meta{margin-top:14px;font-size:12.5px;color:var(--muted);font-family:var(--mono)}
.empty-state{
  display:flex;align-items:center;gap:12px;justify-content:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:38px 20px;color:var(--muted);font-size:14.5px;
}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(125deg,#FFD9C4 0%,#FFF1E6 52%,#F2FCF9 100%);
  border:1px solid var(--line);padding:46px 40px;box-shadow:var(--shadow-card);
}
.cta-band::after{content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(22,156,134,.28),rgba(22,156,134,0) 70%)}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px)}
.cta-inner p{margin-top:14px;color:#4A5058;font-size:15.4px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-soft)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:#3C4048;margin-bottom:6px}
.field input,.field select{
  width:100%;min-height:46px;padding:0 14px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:#fff;font-size:14.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:hover,.field select:hover{border-color:#E9B891}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,156,134,.16)}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
.cta-form .btn{width:100%;margin-top:6px}

/* footer */
.site-footer{background:#FFF3E8;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:13.8px;color:var(--muted);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14.5px;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.8px;color:var(--muted)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:var(--muted);
}

/* dock bar */
.dock-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(255,248,242,0),rgba(255,248,242,.96) 42%);
}
.dock-inner{
  max-width:880px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 12px 10px 22px;
  box-shadow:0 16px 40px rgba(52,32,22,.16);
}
.dock-text{font-size:13.8px;font-weight:600;color:#4A5058}
.dock-actions{display:flex;gap:8px;flex:0 0 auto}
.dock-actions .btn{min-height:42px;padding:0 18px;font-size:14px}

/* responsive */
@media (max-width:1200px){
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .tag-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1080px){
  .nav-shell{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center}
  .brand{grid-column:1;grid-row:1}
  .nav-toggle{display:inline-flex;grid-column:2;grid-row:1}
  .nav-actions{grid-column:3;grid-row:1}
  .nav-actions .btn{min-height:42px;padding:0 16px;font-size:14px}
  .nav-scroller{
    grid-column:1/-1;grid-row:2;justify-content:flex-start;gap:8px;
    overflow-x:auto;padding:2px 2px 4px;scrollbar-width:none;
  }
  .nav-scroller::-webkit-scrollbar{display:none}
  .nav-scroller.is-collapsed{display:none}
  .nav-item{flex:0 0 auto}
  .cat-head-grid{grid-template-columns:1fr;gap:28px}
  .cat-head-media{aspect-ratio:16/9}
  .certify-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:48px 1fr;gap:12px}
  .rank-row .heat,.rank-row .rank-score{grid-column:2;justify-content:flex-start}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .cat-head{padding:20px 0 46px}
  .tag-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .certify-wrap{padding:24px 20px}
  .certify-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .dock-inner{flex-direction:column;align-items:stretch;border-radius:20px;padding:12px}
  .dock-text{text-align:center}
  .dock-actions .btn{flex:1 1 0}
  .brand-sub{display:none}
}
@media (max-width:520px){
  .stat-badges{gap:10px}
  .stat-chip{flex:1 1 140px;min-width:0}
  .tag-grid{grid-template-columns:1fr}
  .btn{min-height:44px;padding:0 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cat-head-copy h1{font-size:26px}
}

/* roulang page: article */
:root{
  --bg:#FFF8F2;--surface:#FFFFFF;--surface-2:#FFF1E6;
  --ink:#1F2328;--muted:#667085;--line:#F0D9C8;
  --brand:#F0674B;--brand-2:#FFB25B;--accent:#169C86;--accent-soft:#DFF7F0;
  --rank-gold:#E9A23B;--danger:#D64545;
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;
  --shadow-card:0 18px 50px rgba(52,32,22,.10);
  --shadow-soft:0 8px 24px rgba(52,32,22,.07);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
  padding-bottom:calc(88px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:3px solid rgba(22,156,134,.45);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(240,103,75,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(240,103,75,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-line:hover{color:var(--ink);border-color:var(--accent);transform:translateY(-2px)}
.btn-glass{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-glass:hover{background:rgba(255,255,255,.3);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:0 10px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(240,103,75,.5)}
.btn-ghost:hover{color:var(--accent);text-decoration-color:var(--accent)}
/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap}
.badge-score{background:#FFE9CE;color:#8A5514}
.badge-verify{background:var(--accent);color:#fff}
.badge-soft{background:var(--accent-soft);color:#0E6B5C}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}
/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 10px;background:rgba(255,248,242,.94);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(52,32,22,.08)}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:12px 14px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(240,103,75,.3);
  font-family:var(--mono);letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:500}
.nav-scroller{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 15px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);color:#3C4048;font-size:14.5px;font-weight:600;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55}
.nav-item.is-active{background:var(--surface-2);border-color:#F7C9A8;color:#B4472C}
.nav-item.is-active .dot{opacity:1;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;min-height:44px;padding:0 14px;border-radius:14px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:700}
/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;padding:46px 0 56px;background:linear-gradient(150deg,#FFE4D3 0%,#FFF2E7 52%,#FFF8F2 100%)}
.article-hero::after{
  content:"";position:absolute;right:-150px;top:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,156,134,.24),rgba(22,156,134,0) 70%);pointer-events:none;
}
.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;pointer-events:none}
.article-hero-inner{position:relative;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12.5px;font-weight:700;color:#6B4B36;
}
.meta-chip.solid{background:var(--accent);border-color:var(--accent);color:#fff}
.article-title{font-size:clamp(27px,3.6vw,44px);line-height:1.28;letter-spacing:-.6px;font-weight:800}
.article-summary{margin-top:18px;max-width:800px;color:#4A4F57;font-size:16px;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
/* ---------- crumb bar ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 0;font-size:14px}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--ink);font-weight:700;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-back{color:var(--brand);font-weight:700;font-size:14px}
.crumb-back:hover{color:var(--accent)}
/* ---------- reader ---------- */
.reader-section{padding:56px 0 30px;background:var(--bg)}
.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:38px;align-items:start}
.reader-col{min-width:0;max-width:820px}
.reader-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);padding:clamp(20px,3vw,40px);box-shadow:var(--shadow-card)}
.reader-progress{height:4px;border-radius:999px;background:#F7E4D7;overflow:hidden;margin-bottom:26px}
.reader-progress span{display:block;height:100%;width:10%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#3FC4AC);transition:width .12s linear}
.article-body{font-size:16.5px;line-height:1.9;color:#262A30;word-break:break-word}
.article-body h2{font-size:23px;font-weight:800;margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--brand);line-height:1.45}
.article-body h3{font-size:18.5px;font-weight:800;margin:28px 0 10px;color:#1B1F24}
.article-body h4{font-size:16.5px;font-weight:800;margin:22px 0 8px}
.article-body p{margin:14px 0}
.article-body ul,.article-body ol{padding-left:22px;margin:14px 0;display:grid;gap:8px}
.article-body li{line-height:1.85}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--surface-2);border-left:4px solid var(--brand-2);border-radius:0 var(--radius-md) var(--radius-md) 0;color:#4A4F57}
.article-body img{border-radius:var(--radius-lg);margin:22px 0}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:22px 0;border-radius:var(--radius-md);overflow:hidden}
.article-body th{background:var(--surface-2);text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);font-weight:800}
.article-body td{padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body strong{font-weight:800}
/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:98px;display:grid;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-soft)}
.side-title{font-size:14px;font-weight:800;letter-spacing:.4px;color:#3C4048;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand)}
.toc-list{list-style:none;padding:0;margin:0;display:grid;gap:3px;max-height:44vh;overflow:auto}
.toc-list a{display:block;padding:7px 10px;border-radius:10px;font-size:13.5px;color:#4A4F57;line-height:1.55;transition:background .18s ease,color .18s ease}
.toc-list a:hover{background:var(--surface-2);color:var(--brand)}
.toc-list a.lvl-3{padding-left:22px;font-size:13px;color:var(--muted)}
.side-note p{font-size:13.5px;color:var(--muted);line-height:1.8}
.side-note .btn{margin-top:14px;width:100%;min-height:42px;font-size:14px}
/* ---------- tip card ---------- */
.safety-section{padding:26px 0 64px;background:var(--bg)}
.tip-card{background:linear-gradient(160deg,#F0FCF8 0%,#E4F8F1 100%);border:1px solid #BFEBE0;border-radius:var(--radius-xl);padding:clamp(22px,3vw,38px)}
.tip-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.tip-head h2{font-size:clamp(20px,2.4vw,26px)}
.tip-card > p{color:#3D5B54;font-size:15px;line-height:1.85;max-width:840px}
.tip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.tip-item{background:#fff;border:1px solid #D5F0E7;border-radius:var(--radius-md);padding:16px;transition:transform .2s ease,box-shadow .2s ease}
.tip-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.tip-item h3{font-size:15px;margin-bottom:6px}
.tip-item p{font-size:13.5px;color:var(--muted);line-height:1.8}
.tip-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:9px;background:var(--accent-soft);color:#0E6B5C;font-family:var(--mono);font-size:13px;font-weight:800;margin-bottom:10px}
/* ---------- section base ---------- */
.section{padding:70px 0}
.section-white{background:var(--surface)}
.section-cream{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(23px,2.9vw,34px);letter-spacing:-.3px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#F3C3A8;box-shadow:var(--shadow-soft)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 50px 16px 18px;font-weight:700;font-size:15.5px;position:relative;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:21px;font-weight:700;color:var(--brand);line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{color:#B4472C}
.faq-answer{padding:0 18px 18px;color:var(--muted);font-size:14.5px;line-height:1.85}
/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  display:flex;flex-direction:column;gap:11px;padding:22px;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card);color:var(--ink)}
.related-card h3{font-size:17px;line-height:1.5}
.related-card:hover h3{color:var(--brand)}
.related-card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1 1 auto}
.related-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
.related-meta .arrow{color:var(--brand);font-weight:800;transition:transform .2s ease}
.related-card:hover .related-meta .arrow{transform:translateX(4px)}
/* ---------- empty state ---------- */
.empty-card{background:var(--surface-2);border:1px dashed var(--line);border-radius:var(--radius-lg);padding:46px 24px;text-align:center;color:var(--muted)}
.empty-card p{font-size:15px;margin-bottom:18px}
.empty-card .btn{min-height:44px}
.empty-icon{width:54px;height:54px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--accent)}
/* ---------- cta band ---------- */
.cta-section{padding:20px 0 76px;background:var(--bg)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(120deg,#F0674B 0%,#F58A4E 52%,#FFB25B 100%);
  padding:clamp(28px,4vw,52px);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(240,103,75,.28);
}
.cta-band::after{content:"";position:absolute;right:-90px;bottom:-130px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);pointer-events:none}
.cta-copy{position:relative;max-width:600px}
.cta-copy h2{font-size:clamp(22px,2.8vw,32px);line-height:1.34}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:50%;transform:translateX(-50%);bottom:16px;z-index:60;
  width:min(1080px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 12px 10px 22px;border-radius:999px;color:#fff;
  background:linear-gradient(120deg,#F0674B,#FFB25B);
  box-shadow:0 18px 42px rgba(240,103,75,.34);
}
.sticky-text{font-size:14px;font-weight:700;color:#fff;min-width:0}
.sticky-btns{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.sticky-btns .btn{min-height:42px;padding:0 20px;font-size:14px}
.sticky-btns .btn-line{background:rgba(255,255,255,.94);border-color:transparent;color:#8A3A22}
.sticky-btns .btn-line:hover{color:#8A3A22;background:#fff}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:span 1}
}
@media (max-width:1024px){
  .reader-layout{grid-template-columns:minmax(0,1fr) 262px;gap:28px}
  .tip-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .nav-shell{flex-wrap:wrap;gap:10px}
  .brand{order:1}
  .nav-actions{order:2;margin-left:auto}
  .nav-toggle{order:3;display:inline-flex}
  .nav-scroller{
    order:4;flex:1 1 100%;width:100%;justify-content:flex-start;
    flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:8px;padding-bottom:2px;
  }
  .nav-scroller::-webkit-scrollbar{display:none}
  .nav-item{flex:0 0 auto}
  .reader-layout{grid-template-columns:1fr}
  .side-sticky{position:static;grid-template-columns:repeat(2,1fr);display:grid}
  .section{padding:56px 0}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .article-hero{padding:34px 0 42px}
  .article-summary{font-size:15px}
  .crumb-inner{font-size:13px}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .reader-section{padding:36px 0 22px}
  .safety-section{padding:10px 0 48px}
  .tip-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .side-sticky{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .cta-band{flex-direction:column;align-items:flex-start}
  .sticky-cta{
    left:0;right:0;bottom:0;transform:none;width:100%;border-radius:0;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .sticky-text{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .sticky-btns .btn{min-height:42px;padding:0 14px;font-size:13.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-shell{padding:10px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:10.5px}
  .nav-actions .btn{padding:0 14px;font-size:13.5px;min-height:44px}
  .article-title{font-size:24px}
  .reader-card{padding:18px 16px;border-radius:var(--radius-lg)}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px}
  .article-body table{font-size:13.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-text{display:none}
  .sticky-btns{width:100%;justify-content:space-between}
  .sticky-btns .btn{flex:1 1 0;min-width:0}
}

/* roulang page: category3 */
:root{
  --bg:#FFF8F2;--surface:#FFFFFF;--surface-2:#FFF1E6;
  --ink:#1F2328;--muted:#667085;--line:#F0D9C8;
  --brand:#F0674B;--brand-2:#FFB25B;--accent:#169C86;--accent-soft:#DFF7F0;
  --rank-gold:#E9A23B;--danger:#D64545;
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;
  --shadow-card:0 18px 50px rgba(52,32,22,.10);
  --shadow-soft:0 8px 24px rgba(52,32,22,.07);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(22,156,134,.45);outline-offset:2px;border-radius:8px}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(240,103,75,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(240,103,75,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-line:hover{color:var(--ink);border-color:var(--accent);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:0 10px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(240,103,75,.5)}
.btn-ghost:hover{color:var(--accent);text-decoration-color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap}
.badge-score{background:#FFE9CE;color:#8A5514}
.badge-verify{background:var(--accent);color:#fff}
.badge-soft{background:var(--accent-soft);color:#0E6B5C}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}
/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 10px;background:rgba(255,248,242,.92);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(52,32,22,.08)}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:12px 14px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(240,103,75,.3);
  font-family:var(--mono);letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:500}
.nav-scroller{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 15px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);color:#3C4048;font-size:14.5px;font-weight:600;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55}
.nav-item.is-active{background:var(--surface-2);border-color:#F7C9A8;color:#B4472C}
.nav-item.is-active .dot{opacity:1;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;min-height:44px;padding:0 14px;border-radius:14px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:700}
/* ---------- sections ---------- */
.section{padding:84px 0}
.section-white{background:var(--surface)}
.section-mint{background:linear-gradient(180deg,#F2FCF9 0%,#FFF8F2 100%)}
.section-cream{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(26px,3.1vw,40px);font-weight:800;line-height:1.28}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}
/* ---------- category head ---------- */
.cat-head{position:relative;padding:26px 0 64px;background:linear-gradient(150deg,#FFF1E6 0%,#FFF8F2 58%,#F2FCF9 100%);overflow:hidden}
.cat-head::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,156,134,.20),rgba(22,156,134,0) 70%);pointer-events:none;
}
.crumbs{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs span.sep{opacity:.55}
.crumbs .now{color:var(--ink);font-weight:700}
.cat-head-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:start}
.cat-head h1{font-size:clamp(30px,3.9vw,48px);font-weight:800;line-height:1.22}
.cat-head h1 em{font-style:normal;color:#D9532F}
.cat-lead{margin-top:18px;color:#4A4F57;font-size:16px;line-height:1.9;max-width:640px}
.cat-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cat-badges .badge{height:30px;font-size:13px}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-side{display:grid;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:24px}
.side-card h2{font-size:16px;font-weight:800;margin-bottom:4px}
.side-card .side-note{font-size:13px;color:var(--muted);margin-bottom:16px}
.side-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px dashed var(--line)}
.side-stat:first-of-type{border-top:none;padding-top:4px}
.side-stat .num{font-family:var(--mono);font-size:26px;font-weight:800;color:#D9532F;letter-spacing:-.5px}
.side-stat .lbl{font-size:13.5px;color:var(--muted)}
.cat-figure{margin:0;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--surface-2)}
.cat-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);background:var(--surface)}
/* ---------- keyword cards ---------- */
.kw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kw-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.kw-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.kw-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,#FFE3D2,#FFF1E6);border:1px solid var(--line);color:var(--brand);
}
.kw-icon svg{width:22px;height:22px}
.kw-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.kw-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.kw-card .badge{margin-top:16px}
/* ---------- topic list ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
.topic-card h3{font-size:17.5px;font-weight:800;line-height:1.5}
.topic-card h3 a{color:var(--ink)}
.topic-card h3 a:hover{color:var(--brand)}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.topic-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted)}
.topic-foot .go{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.topic-card:hover .topic-foot .go{color:var(--accent)}
.topic-card:hover .topic-foot .go span{transform:translateX(3px)}
.topic-foot .go span{transition:transform .2s ease}
.list-more{display:flex;justify-content:center;margin-top:32px}
.empty-state{
  display:grid;place-items:center;gap:12px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-xl);
  padding:52px 24px;color:var(--muted);box-shadow:var(--shadow-soft);
}
.empty-state .empty-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.empty-state strong{color:var(--ink);font-size:16px}
.empty-state p{font-size:14px}
/* ---------- compare ---------- */
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.compare-row{display:grid;grid-template-columns:.7fr 1fr 1fr;gap:0;border-top:1px solid var(--line)}
.compare-row:first-child{border-top:none}
.compare-row > div{padding:16px 20px;font-size:14.5px}
.compare-row.head{background:var(--surface-2)}
.compare-row.head > div{font-size:13.5px;font-weight:800;color:#8A5514}
.compare-row .dim{color:var(--muted);font-size:13.5px;font-weight:700}
.compare-row .old{color:#8B8F96}
.compare-row .new{color:#0E6B5C;font-weight:600}
.compare-row:nth-child(even):not(.head){background:#FFFCF9}
/* ---------- safety ---------- */
.safe-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.safe-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;
}
.safe-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.safe-card .step-no{font-family:var(--mono);font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px}
.safe-card h3{font-size:17px;font-weight:800;margin:8px 0 10px}
.safe-card p{font-size:14px;color:var(--muted);line-height:1.8}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:4px 20px;transition:background .2s ease,border-color .2s ease;
}
.faq-item:hover{background:#FFF6EE;border-color:#F3C6A6}
.faq-item[open]{background:#FFFCF9;border-color:var(--accent)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--surface-2);color:var(--brand);
  font-weight:800;font-size:16px;line-height:1;
}
.faq-item[open] summary::after{content:"−";background:var(--accent-soft);color:var(--accent)}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:#4A4F57;line-height:1.85}
/* ---------- cta ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:48px;background:linear-gradient(125deg,#F0674B 0%,#FFB25B 100%);
  color:#fff;box-shadow:0 24px 60px rgba(240,103,75,.28);
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;position:relative}
.cta-card p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.92);max-width:520px;position:relative}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-line{background:#fff;border-color:transparent;color:#B4472C}
.cta-actions .btn-line:hover{color:#8A5514;border-color:transparent}
.cta-actions .btn-ghost{color:#fff;text-decoration-color:rgba(255,255,255,.65)}
.cta-actions .btn-ghost:hover{color:#fff;text-decoration-color:#fff}
/* ---------- footer ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:14px}
.footer-brand .brand-name{font-size:15.5px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.85;max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:800;margin-bottom:14px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:#4A4F57;font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .cat-head-grid{grid-template-columns:1.05fr .95fr;gap:30px}
  .kw-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}
  .safe-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{padding:40px}
}
@media (max-width:992px){
  .nav-shell{flex-wrap:wrap;gap:12px;border-radius:22px}
  .brand{order:1}
  .nav-toggle{display:inline-flex;order:3;margin-left:auto}
  .nav-actions{order:2;margin-left:auto}
  .nav-actions .btn{min-height:44px;padding:0 16px;font-size:14px}
  .nav-scroller{
    order:4;flex:1 0 100%;justify-content:flex-start;
    overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-scroller::-webkit-scrollbar{display:none}
  .nav-item{flex:0 0 auto;white-space:nowrap}
  .cat-head-grid{grid-template-columns:1fr}
  .cat-figure img{aspect-ratio:16/9}
  .section{padding:64px 0}
  .compare-row{grid-template-columns:.85fr 1fr 1fr}
}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:32px}
  .safe-grid{grid-template-columns:1fr}
  .compare-card{overflow-x:auto}
  .compare-row{min-width:640px}
  .section{padding:52px 0}
  .cat-head{padding:18px 0 48px}
  .side-card{padding:20px}
}
@media (max-width:520px){
  .kw-grid,.topic-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-sub{display:none}
  .brand-name{font-size:15px}
  .cat-badges .badge{height:28px;font-size:12px}
  .cat-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .section-head h2{font-size:24px}
  .faq-item summary{font-size:15px}
  .footer-bottom{font-size:12.5px}
  .nav-actions .btn{padding:0 14px}
}

/* roulang page: category2 */
:root{
  --bg:#FFF8F2;--surface:#FFFFFF;--surface-2:#FFF1E6;
  --ink:#1F2328;--muted:#667085;--line:#F0D9C8;
  --brand:#F0674B;--brand-2:#FFB25B;--accent:#169C86;--accent-soft:#DFF7F0;
  --rank-gold:#E9A23B;--danger:#D64545;
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;
  --shadow-card:0 18px 50px rgba(52,32,22,.10);
  --shadow-soft:0 8px 24px rgba(52,32,22,.07);
  --container:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(22,156,134,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(240,103,75,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(240,103,75,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-line:hover{color:var(--ink);border-color:var(--accent);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:0 8px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(240,103,75,.5)}
.btn-ghost:hover{color:var(--accent);text-decoration-color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap}
.badge-score{background:#FFE9CE;color:#8A5514}
.badge-verify{background:var(--accent);color:#fff}
.badge-soft{background:var(--accent-soft);color:#0E6B5C}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line)}

/* header */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 10px;background:rgba(255,248,242,.92);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(52,32,22,.08)}
.nav-shell{
  display:flex;align-items:center;gap:18px;background:var(--surface);
  border:1px solid var(--line);border-radius:24px;padding:12px 14px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;
  font-size:15px;font-family:var(--mono);letter-spacing:-.5px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(240,103,75,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:500}
.nav-scroller{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 15px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);color:#3C4048;font-size:14.5px;font-weight:600;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55}
.nav-item.is-active{background:var(--surface-2);border-color:#F7C9A8;color:#B4472C}
.nav-item.is-active .dot{opacity:1;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;min-height:44px;padding:0 14px;border-radius:14px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:700}

/* sections */
.section{padding:84px 0}
.section-tight{padding:60px 0}
.section-white{background:var(--surface)}
.section-cream{background:var(--surface-2)}
.section-mint{background:linear-gradient(180deg,#F2FCF9 0%,#FFF8F2 100%)}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(26px,3.1vw,40px);font-weight:800;line-height:1.28}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* category hero */
.cat-hero{position:relative;padding:34px 0 58px;overflow:hidden;background:linear-gradient(140deg,#FFE7D8 0%,#FFF3E8 52%,#FFF8F2 100%)}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,156,134,.22),rgba(22,156,134,0) 70%);pointer-events:none;
}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb-now{color:#B4472C;font-weight:700}
.cat-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.8px}
.cat-hero h1 em{font-style:normal;color:#D9482C}
.cat-hero-lead{margin-top:16px;color:#4B5563;font-size:15.5px;line-height:1.9;max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hero-tags .tag{
  display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:#4B5563;
}
.hero-tags .tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;max-width:560px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:14px 16px;box-shadow:var(--shadow-soft)}
.kpi strong{display:block;font-family:var(--mono);font-size:24px;font-weight:800;color:#D9482C;line-height:1.2}
.kpi span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted);line-height:1.5}
.cat-hero-media{position:relative}
.cat-hero-media img{width:100%;aspect-ratio:5/6;object-fit:cover;border-radius:var(--radius-xl);border:1px solid #F7C9A8;box-shadow:var(--shadow-card)}
.media-chip{
  position:absolute;left:-14px;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:12px 16px;box-shadow:var(--shadow-card);max-width:78%;
}
.media-chip b{display:block;font-size:13.5px;color:#B4472C}
.media-chip small{display:block;font-size:12px;color:var(--muted);line-height:1.6;margin-top:2px}

/* filter tags */
.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tag-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 18px 16px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tag-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.tag-card .tag-ico{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:#0E6B5C;margin-bottom:12px;
}
.tag-card h3{font-size:16px;font-weight:800}
.tag-card p{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
.tag-card .tag-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}

/* activity cards */
.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.activity-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.activity-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.activity-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.activity-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.activity-card:hover .thumb img{transform:scale(1.04)}
.thumb-rank{
  position:absolute;left:12px;top:12px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--mono);font-weight:800;font-size:14px;color:#7A4A0E;background:#FFF3DE;border:1.5px solid var(--rank-gold);
}
.activity-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.activity-body h3{font-size:17px;line-height:1.45}
.activity-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.meta-row{display:flex;flex-wrap:wrap;gap:6px}
.meta-row .badge{font-weight:600}
.activity-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px}
.link-arrow{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.link-arrow::after{content:"→";transition:transform .18s ease}
.activity-card:hover .link-arrow::after{transform:translateX(4px)}
.list-more{display:flex;justify-content:center;margin-top:34px}

/* route cards */
.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.route-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.route-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.route-card .thumb{aspect-ratio:16/9;overflow:hidden}
.route-card .thumb img{width:100%;height:100%;object-fit:cover}
.route-body{padding:22px 24px 24px}
.route-body h3{font-size:19px}
.route-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.route-list{margin-top:14px;display:grid;gap:8px}
.route-list li{position:relative;padding-left:20px;font-size:13.5px;color:#4B5563;line-height:1.7}
.route-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--accent-soft);border:2px solid var(--accent)}

/* safety */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.safety-card{
  background:#fff;border:1px solid #CDEDE4;border-radius:var(--radius-lg);padding:22px 20px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease;
}
.safety-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card)}
.safety-card .s-ico{width:40px;height:40px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;margin-bottom:14px}
.safety-card h3{font-size:16px}
.safety-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* reviews */
.review-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start}
.score-card{
  background:linear-gradient(150deg,#FFF2E4 0%,#FFE7D8 100%);border:1px solid #F7C9A8;border-radius:var(--radius-xl);
  padding:28px;box-shadow:var(--shadow-soft);
}
.score-card .score-num{font-family:var(--mono);font-size:52px;font-weight:800;line-height:1;color:#C8452A}
.score-card .stars{margin-top:8px;color:var(--rank-gold);letter-spacing:3px;font-size:16px}
.score-card p{margin-top:12px;font-size:13.5px;color:#6B4B37;line-height:1.8}
.score-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.review-list{display:grid;gap:14px}
.review-card{
  display:grid;grid-template-columns:auto 1fr;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-soft);
}
.avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:var(--accent-soft);color:#0E6B5C;
}
.review-card h4{font-size:14.5px;font-weight:800;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.review-card h4 small{font-weight:600;color:var(--muted);font-size:12px}
.review-card p{margin-top:6px;font-size:13.5px;color:#4B5563;line-height:1.75}

/* data strip */
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.data-cell{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;text-align:center;box-shadow:var(--shadow-soft)}
.data-cell strong{display:block;font-family:var(--mono);font-size:34px;font-weight:800;color:#0E6B5C;line-height:1.1}
.data-cell span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* faq */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 20px;transition:background .2s ease,border-color .2s ease}
.faq-item:hover{background:#FFFBF6;border-color:#F7C9A8}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:18px 38px 18px 0;font-weight:700;font-size:15.5px;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent-soft);color:#0E6B5C;font-weight:800;font-size:16px;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open]{background:#FFFBF6;border-color:#F7C9A8}
.faq-item .faq-a{padding:0 0 18px;font-size:14.5px;color:#4B5563;line-height:1.85}

/* news / cms */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card)}
.post-card h3{font-size:16.5px;line-height:1.5}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:38px 24px;text-align:center;color:var(--muted);font-size:14.5px;
}
.empty-state b{display:block;color:var(--ink);font-size:16px;margin-bottom:6px}

/* cta */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(120deg,#F0674B 0%,#FF9A5B 58%,#FFB25B 100%);
  padding:44px 46px;display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
  box-shadow:0 26px 60px rgba(240,103,75,.28);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,156,134,.45),rgba(22,156,134,0) 70%);pointer-events:none;
}
.cta-card h2{position:relative;color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.3}
.cta-card p{position:relative;margin-top:12px;color:#FFF3EC;font-size:14.5px;line-height:1.85;max-width:480px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-card .btn-line{background:#fff;border-color:transparent;color:#B4472C}
.cta-card .btn-line:hover{background:#FFF3EC;color:#8E341F}
.cta-card .btn-ghost{color:#fff;text-decoration-color:rgba(255,255,255,.6)}
.cta-card .btn-ghost:hover{color:#FFF3EC;text-decoration-color:#fff}
.cta-note{
  position:relative;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-lg);
  padding:20px 22px;color:#fff;
}
.cta-note b{font-size:14.5px;display:block}
.cta-note ul{margin-top:10px;display:grid;gap:8px}
.cta-note li{font-size:13.5px;line-height:1.7;padding-left:18px;position:relative;color:#FFF6F0}
.cta-note li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:#FFE0CF;border:1px solid #fff}

/* footer */
.site-footer{background:#FFF3E8;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.85;max-width:330px}
.footer-col h4{font-size:14.5px;font-weight:800;margin-bottom:14px;color:#3C4048}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--muted);text-decoration:none}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);
}

/* responsive */
@media (max-width:1200px){
  .nav-item{padding:0 12px;font-size:14px}
  .activity-grid{grid-template-columns:repeat(2,1fr)}
  .safety-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .brand-sub{display:none}
  .nav-shell{gap:12px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero-media img{aspect-ratio:16/10}
  .media-chip{left:14px}
  .tag-grid{grid-template-columns:repeat(2,1fr)}
  .review-wrap{grid-template-columns:1fr}
  .data-strip{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:860px){
  .nav-shell{flex-wrap:wrap;padding:10px 12px;gap:10px}
  .brand{flex:1 1 auto}
  .nav-actions .btn{min-height:40px;padding:0 14px;font-size:13.5px}
  .nav-scroller{
    order:3;flex:1 0 100%;justify-content:flex-start;overflow-x:auto;padding:4px 2px 2px;
    gap:8px;scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-scroller::-webkit-scrollbar{display:none}
  .nav-item{flex:0 0 auto;min-height:44px}
}
@media (max-width:768px){
  .hero-kpis{grid-template-columns:1fr;max-width:none}
  .kpi{display:flex;align-items:baseline;gap:10px;padding:12px 14px}
  .kpi strong{font-size:20px}
  .kpi span{margin-top:0}
  .route-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .cat-hero{padding:24px 0 44px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .activity-grid{grid-template-columns:1fr}
  .tag-grid{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
  .data-strip{grid-template-columns:1fr 1fr}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .nav-actions .btn{width:auto}
  .review-card{grid-template-columns:1fr}
  .cat-hero h1{font-size:28px}
}