/* roulang page: index */
:root{
  --brand:#C8361B;
  --brand-dark:#9A2A12;
  --orange:#E85D04;
  --amber:#F59E0B;
  --amber-soft:#FFF3D6;
  --teal:#0E7C7B;
  --teal-soft:#DDF4F1;
  --ink:#1F1B18;
  --ink-2:#3D3530;
  --muted:#72675F;
  --bg:#FFF9F3;
  --surface:#FFFFFF;
  --surface-warm:#FFF1E4;
  --border:#F0DED0;
  --danger:#B91C1C;
  --success:#15803D;
  --grad:linear-gradient(118deg,#A82A12,#C8361B 48%,#D94A0B);
  --grad-soft:linear-gradient(118deg,rgba(168,42,18,.08),rgba(217,74,11,.06));
  --r-s:12px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --sh-1:0 10px 30px rgba(122,52,20,.08);
  --sh-2:0 18px 44px rgba(122,52,20,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:88px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink);font-weight:700}
h1{font-size:clamp(34px,4.8vw,56px);line-height:1.16;font-weight:800}
h2{font-size:clamp(26px,2.8vw,36px);line-height:1.24}
h3{font-size:20px;line-height:1.35;font-weight:700}
h4{font-size:17px;line-height:1.4;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section[id],div[id]{scroll-margin-top:140px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--surface);color:var(--ink);padding:12px 20px;border-radius:var(--r-s);box-shadow:var(--sh-2);font-weight:600}
.skip-link:focus{left:16px;top:16px;color:var(--ink)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;letter-spacing:.01em;
  box-shadow:0 8px 20px rgba(168,42,18,.22);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),opacity .22s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(168,42,18,.3)}
.btn-brand:active{transform:translateY(0);box-shadow:0 8px 18px rgba(168,42,18,.24)}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(200,54,27,.28)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  background:var(--surface);color:var(--ink);border:1.5px solid rgba(200,54,27,.55);
  font-size:15px;font-weight:600;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-outline-brand:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(200,54,27,.24)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link-arrow span{display:inline-block;transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== Header ===== */
.site-header{position:relative;z-index:1030}
.header-top{background:var(--bg);border-bottom:1px solid var(--border)}
.header-top-inner{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(168,42,18,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;letter-spacing:-.01em;white-space:nowrap}
.header-search{flex:1 1 auto;max-width:360px;position:relative;display:flex;align-items:center}
.header-search svg{position:absolute;left:14px;width:18px;height:18px;color:var(--muted);pointer-events:none}
.header-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);padding:0 18px 0 42px;font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search input::placeholder{color:#A2958B}
.header-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,54,27,.12)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;color:var(--ink-2);cursor:pointer;transition:.2s var(--ease);
}
.icon-btn:hover{background:var(--surface-warm);color:var(--brand-dark);border-color:rgba(200,54,27,.4)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(200,54,27,.2)}
.icon-btn svg{width:20px;height:20px}
.header-channels{background:var(--bg);border-bottom:1px solid var(--border)}
.channel-scroll{display:flex;gap:8px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.nav-pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  border:1px solid transparent;transition:.2s var(--ease);flex:0 0 auto;
}
.nav-pill:hover{background:var(--surface-warm);color:var(--ink-2)}
.nav-pill:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(200,54,27,.24)}
.nav-pill.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(168,42,18,.22)}
.nav-pill.active:hover{color:#fff}
@media (min-width:992px){
  .site-header{position:sticky;top:0}
  .site-header .header-top{transition:box-shadow .25s var(--ease)}
  .site-header.is-stuck .header-top{box-shadow:0 8px 24px rgba(122,52,20,.08)}
}
@media (max-width:991.98px){
  .header-top{position:sticky;top:0;z-index:1030;box-shadow:0 6px 18px rgba(122,52,20,.06)}
  .header-top-inner{height:auto;padding:12px 0;gap:12px;flex-wrap:nowrap}
  .header-search{display:none}
  .brand-text{font-size:13px;white-space:normal;max-width:150px;line-height:1.25}
  .header-actions .btn-brand{display:none}
  .brand-mark{width:38px;height:38px;border-radius:11px}
  .channel-scroll{
    padding:10px 0;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
  }
  section[id],div[id]{scroll-margin-top:80px}
}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;padding:72px 0 92px;
  background:
    radial-gradient(circle at 10% 14%, rgba(200,54,27,.14), transparent 42%),
    radial-gradient(circle at 84% 6%, rgba(245,158,11,.12), transparent 40%),
    radial-gradient(circle at 66% 92%, rgba(14,124,123,.08), transparent 46%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(31,27,24,.07) 1px, transparent 1px);
  background-size:18px 18px;
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-dark);
  box-shadow:var(--sh-1);margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.hero h1{margin-bottom:20px;max-width:14em}
.hero-sub{font-size:17px;line-height:1.75;color:var(--ink-2);max-width:32em;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid var(--border);
  font-size:13px;color:var(--ink-2);
}
.trust-chip svg{width:16px;height:16px;color:var(--teal);flex:0 0 auto}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/5;
  background:var(--grad);box-shadow:var(--sh-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,27,24,0) 40%,rgba(31,27,24,.84) 100%);
}
.hero-figure-cap{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fff}
.hero-figure-cap strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.hero-figure-cap span{display:block;font-size:13px;line-height:1.6;color:rgba(255,255,255,.82)}
.data-badge{
  display:flex;align-items:center;gap:10px;padding:10px 16px;
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  box-shadow:0 12px 26px rgba(122,52,20,.14);
}
.data-badge svg{width:20px;height:20px;flex:0 0 auto;color:var(--amber)}
.data-badge .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.data-badge .lbl{font-size:12px;color:var(--muted);line-height:1.3}
.hero-badge{position:absolute;z-index:3}
.hb-1{top:34px;left:-28px;transform:rotate(-2deg)}
.hb-2{top:47%;right:-30px;transform:rotate(2deg)}
.hb-3{bottom:104px;left:-30px;transform:rotate(-1.5deg)}
@media (max-width:1199.98px){
  .hb-1{left:-12px}.hb-2{right:-12px}.hb-3{left:-12px}
}
@media (max-width:991.98px){
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-badge{position:static;transform:none!important;margin-top:12px;width:100%;justify-content:flex-start}
  .hero-figure{aspect-ratio:16/11}
}

/* ===== Sections ===== */
.section{padding:96px 0}
.section-warm{background:var(--surface-warm)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:42em}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);margin-bottom:12px;
}
@media (max-width:991.98px){ .section{padding:64px 0} }
@media (max-width:575.98px){ .section{padding:52px 0} .section-head{margin-bottom:28px} }

/* ===== Feature 2+1 ===== */
.feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feature-stack{display:grid;gap:24px}
.feature-card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-l);padding:28px;
  display:flex;gap:20px;align-items:flex-start;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,54,27,.28)}
.feature-ico{
  width:56px;height:56px;border-radius:18px;background:var(--surface-warm);
  display:grid;place-items:center;color:var(--brand);flex:0 0 auto;
}
.feature-ico svg{width:26px;height:26px}
.feature-body h3{margin-bottom:8px}
.feature-body p{font-size:15px;color:var(--ink-2);margin-bottom:12px}
.feature-index{
  position:absolute;top:22px;right:26px;font-size:13px;font-weight:800;
  color:rgba(200,54,27,.35);letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.feature-hero{
  position:relative;overflow:hidden;border-radius:var(--r-l);padding:34px 30px;
  background:var(--grad);color:#fff;display:flex;flex-direction:column;justify-content:space-between;
  min-height:100%;box-shadow:0 16px 38px rgba(168,42,18,.24);
}
.feature-hero .watermark{
  position:absolute;right:-10px;top:-26px;font-size:150px;font-weight:800;line-height:1;
  color:rgba(255,255,255,.14);letter-spacing:-.04em;pointer-events:none;user-select:none;
}
.feature-hero h3{color:#fff;font-size:22px;margin-bottom:12px;position:relative}
.feature-hero p{color:rgba(255,255,255,.9);font-size:14.5px;position:relative;margin-bottom:24px}
.feature-hero .btn-light-solid{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;background:#fff;color:var(--brand-dark);
  font-size:14px;font-weight:700;align-self:flex-start;transition:.22s var(--ease);
}
.feature-hero .btn-light-solid:hover{background:#FFF1E4;color:var(--brand-dark);transform:translateY(-2px)}
@media (max-width:991.98px){
  .feature-layout{grid-template-columns:1fr}
  .feature-hero{min-height:auto;padding:30px 24px}
  .feature-hero .watermark{font-size:110px;top:-16px}
}
@media (max-width:575.98px){
  .feature-card{flex-direction:column;padding:24px;gap:16px}
  .feature-index{top:20px;right:22px}
}

/* ===== Scenario tabs ===== */
.scenario-layout{display:grid;grid-template-columns:4fr 8fr;gap:24px;align-items:start}
.scenario-nav{display:flex;flex-direction:column;gap:12px}
.scenario-tab{
  text-align:left;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-m);padding:18px 20px;cursor:pointer;width:100%;
  transition:.22s var(--ease);position:relative;
}
.scenario-tab:hover{background:var(--surface-warm);border-color:rgba(200,54,27,.3)}
.scenario-tab:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(200,54,27,.22)}
.scenario-tab .sc-idx{
  display:inline-block;font-size:12px;font-weight:800;color:var(--brand);
  letter-spacing:.08em;margin-bottom:6px;font-variant-numeric:tabular-nums;
}
.scenario-tab .sc-title{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;line-height:1.4}
.scenario-tab .sc-desc{display:block;font-size:13px;color:var(--muted);line-height:1.55}
.scenario-tab.active{background:var(--grad);border-color:transparent;box-shadow:0 12px 28px rgba(168,42,18,.22)}
.scenario-tab.active .sc-idx,.scenario-tab.active .sc-title{color:#fff}
.scenario-tab.active .sc-desc{color:rgba(255,255,255,.86)}
.scenario-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-l);
  padding:0;overflow:hidden;box-shadow:var(--sh-1);
}
.browser-bar{
  display:flex;align-items:center;gap:8px;padding:12px 18px;
  background:var(--surface-warm);border-bottom:1px solid var(--border);
}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:#E9C9B4;display:block}
.browser-bar i:nth-child(1){background:#E4A08C}
.browser-bar i:nth-child(2){background:#EFC77E}
.browser-bar i:nth-child(3){background:#9FD3C8}
.browser-bar .url{
  margin-left:10px;flex:1;height:26px;border-radius:999px;background:var(--surface);
  border:1px solid var(--border);font-size:12px;color:var(--muted);
  display:flex;align-items:center;padding:0 12px;font-style:normal;
}
.scenario-img{position:relative;background:var(--surface-warm)}
.scenario-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scenario-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:22px 24px 26px}
.step-chip{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.5}
.step-chip .n{
  width:24px;height:24px;border-radius:50%;background:var(--teal-soft);color:var(--teal);
  display:grid;place-items:center;font-size:12px;font-weight:800;flex:0 0 auto;
  font-variant-numeric:tabular-nums;
}
@media (max-width:991.98px){
  .scenario-layout{grid-template-columns:1fr;gap:18px}
  .scenario-nav{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;scrollbar-width:none}
  .scenario-nav::-webkit-scrollbar{display:none}
  .scenario-tab{flex:0 0 auto;min-width:200px}
}
@media (max-width:575.98px){
  .scenario-steps{grid-template-columns:1fr;padding:18px}
}

/* ===== News / CMS ===== */
.news-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:start}
.card-soft{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-l);
  overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:block;color:inherit;height:100%;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,54,27,.28);color:inherit}
.news-feature-media{display:block;overflow:hidden;background:var(--surface-warm)}
.news-feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:24px}
.pill-warm{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--surface-warm);color:var(--brand-dark);font-size:12px;font-weight:700;
  margin-bottom:14px;
}
.news-feature-body h3{font-size:21px;line-height:1.42;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body h3 a{color:var(--ink)}
.news-feature-body h3 a:hover{color:var(--brand-dark)}
.news-feature-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-row{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--r-m);
  background:var(--surface);border:1px solid var(--border);position:relative;
  transition:.22s var(--ease);color:inherit;
}
.news-row::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .22s var(--ease);
}
.news-row:hover{background:var(--surface-warm);border-color:rgba(200,54,27,.28);color:inherit}
.news-row:hover::before{opacity:1}
.news-date{
  flex:0 0 auto;width:62px;text-align:center;border-right:1px solid var(--border);
  padding-right:14px;font-variant-numeric:tabular-nums;
}
.news-date .d{display:block;font-size:20px;font-weight:800;color:var(--brand);line-height:1.2}
.news-date .m{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.news-row-body{flex:1;min-width:0}
.news-row-body h3{
  font-size:16px;line-height:1.45;margin-bottom:6px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row-body p{
  font-size:13px;color:var(--muted);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row-foot{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-row-foot .cat{color:var(--brand-dark);background:var(--surface-warm);border-radius:999px;padding:2px 10px;font-weight:600}
.empty-state{
  border:1.5px dashed var(--border);border-radius:var(--r-l);background:var(--surface);
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:36px;height:36px;color:var(--muted);margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
@media (max-width:991.98px){ .news-grid{grid-template-columns:1fr} }
@media (max-width:575.98px){
  .news-row{flex-direction:column;gap:10px}
  .news-date{width:auto;border-right:0;padding-right:0;text-align:left;display:flex;align-items:baseline;gap:6px}
  .news-date .d{font-size:15px}
}

/* ===== Verify board ===== */
.verify-layout{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.verify-panel{
  position:relative;overflow:hidden;border-radius:var(--r-l);padding:34px 30px;
  background:linear-gradient(150deg,#2A211D,#3D3530 60%,#4A2A1E);
  color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:26px;
}
.verify-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:16px 16px;
}
.verify-panel-inner{position:relative;z-index:2}
.verify-panel .shield{
  width:52px;height:52px;border-radius:16px;background:rgba(255,255,255,.12);
  display:grid;place-items:center;margin-bottom:20px;color:var(--amber);
}
.verify-panel .shield svg{width:26px;height:26px}
.verify-panel h2{color:#fff;font-size:26px;margin-bottom:12px}
.verify-panel p{color:rgba(255,255,255,.76);font-size:14.5px;margin:0}
.verify-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:2}
.metric{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:12px 10px;text-align:center;
}
.metric .num{font-size:26px;font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;display:block}
.metric .lbl{font-size:12px;color:rgba(255,255,255,.72);line-height:1.3;display:block;margin-top:4px}
.verify-list{display:grid;gap:14px}
.verify-item{
  display:flex;gap:16px;padding:22px 24px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-m);
  transition:.22s var(--ease);
}
.verify-item:hover{border-color:rgba(200,54,27,.28);box-shadow:var(--sh-1);transform:translateY(-3px)}
.verify-item .vi-ico{
  width:44px;height:44px;border-radius:13px;background:var(--teal-soft);color:var(--teal);
  display:grid;place-items:center;flex:0 0 auto;
}
.verify-item .vi-ico svg{width:22px;height:22px}
.verify-item h3{font-size:16.5px;margin-bottom:6px}
.verify-item p{font-size:14px;color:var(--muted);margin:0}
@media (max-width:991.98px){ .verify-layout{grid-template-columns:1fr} }

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-side{position:sticky;top:140px}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--muted);font-size:15px;margin-bottom:20px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-m);
  overflow:hidden;transition:.22s var(--ease);
}
.faq-item:has(.collapse.show){background:var(--surface-warm);border-color:rgba(200,54,27,.28)}
.faq-h{margin:0}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:.2s var(--ease);min-height:52px;
}
.faq-btn:hover{color:var(--brand-dark)}
.faq-btn:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(200,54,27,.22)}
.faq-btn .plus{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--surface-warm);
  color:var(--brand);display:grid;place-items:center;transition:transform .26s var(--ease),background .26s var(--ease);
}
.faq-btn .plus svg{width:14px;height:14px}
.faq-btn[aria-expanded="true"] .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-body p{margin-bottom:.8em}
.faq-body p:last-child{margin-bottom:0}
@media (max-width:991.98px){
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-side{position:static}
}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px 48px;
  background:var(--grad);color:#fff;box-shadow:0 22px 48px rgba(168,42,18,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:14px;max-width:18em;position:relative}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;margin-bottom:28px;max-width:40em;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative}
.cta-actions .btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:999px;background:#fff;color:var(--brand-dark);font-size:15px;font-weight:700;
  transition:.22s var(--ease);
}
.cta-actions .btn-light-solid:hover{background:#FFF1E4;color:var(--brand-dark);transform:translateY(-2px)}
.cta-actions .btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:999px;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.6);
  color:#fff;font-size:15px;font-weight:600;transition:.22s var(--ease);
}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
@media (max-width:767.98px){ .cta-band{padding:36px 24px;border-radius:var(--r-l)} .cta-actions>*{width:100%} }

/* ===== Footer ===== */
.site-footer{
  background:#1F1B18;color:rgba(255,255,255,.72);margin-top:96px;position:relative;
  padding:64px 0 0;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.footer-brand strong{font-size:15px;color:#fff;font-weight:800;line-height:1.3}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:16px;max-width:32em}
.footer-meta{font-size:12.5px;color:rgba(255,255,255,.45);font-variant-numeric:tabular-nums}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.01em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);position:relative;display:inline-block;width:fit-content}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;
  background:var(--grad);transition:width .24s var(--ease);
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{width:100%}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.42);
}
@media (max-width:767.98px){
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-bottom{flex-direction:column}
}

/* ===== Sticky bar ===== */
.sticky-bar{
  position:fixed;left:50%;bottom:20px;z-index:1020;
  width:min(880px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 12px 10px 22px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  box-shadow:0 18px 44px rgba(122,52,20,.18);
  transform:translateX(-50%) translateY(160%);opacity:0;
  transition:transform .34s var(--ease),opacity .34s var(--ease);
}
.sticky-bar.is-visible{transform:translateX(-50%) translateY(0);opacity:1}
.sticky-status{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2)}
.sticky-status .dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(21,128,61,.14)}
.sticky-actions{display:flex;align-items:center;gap:10px}
.sticky-actions .btn-brand{height:42px;padding:0 20px;font-size:14px}
.sticky-actions .btn-outline-brand{height:42px;padding:0 20px;font-size:14px}
@media (max-width:767.98px){
  .sticky-bar{
    left:0;bottom:0;width:100%;transform:translateY(160%);border-radius:0;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    border-left:0;border-right:0;border-bottom:0;
  }
  .sticky-bar.is-visible{transform:translateY(0)}
  .sticky-status{font-size:12.5px}
  .sticky-actions{flex:1;justify-content:flex-end}
  .sticky-actions a{flex:1 1 0;min-width:0;padding:0 12px;font-size:13.5px;height:44px}
  .sticky-status .label-long{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#C8361B;
  --brand-dark:#9A2A12;
  --orange:#E85D04;
  --amber:#F59E0B;
  --amber-soft:#FFF3D6;
  --teal:#0E7C7B;
  --teal-soft:#DDF4F1;
  --ink:#1F1B18;
  --ink-2:#3D3530;
  --muted:#72675F;
  --bg:#FFF9F3;
  --surface:#FFFFFF;
  --warm:#FFF1E4;
  --border:#F0DED0;
  --danger:#B91C1C;
  --success:#15803D;
  --grad:linear-gradient(118deg,#A82A12,#C8361B 48%,#D94A0B);
  --grad-line:linear-gradient(90deg,#A82A12,#C8361B 50%,#E85D04);
  --r-s:12px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-p:999px;
  --sh-1:0 10px 30px rgba(122,52,20,.08);
  --sh-2:0 18px 44px rgba(122,52,20,.14);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-primary:var(--brand);
  --bs-link-color:var(--teal);
  --bs-link-hover-color:#0A5F5E;
  --bs-border-radius:var(--r-m);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:clip;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;text-underline-offset:3px;}
a:hover{color:#0A5F5E;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.2em;}
:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px;border-radius:6px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;background:var(--brand);color:#fff;
  padding:12px 20px;border-radius:0 0 var(--r-m) 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-head{position:relative;z-index:1030;background:rgba(255,249,243,.96);}
.head-top{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,249,243,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s ease;
}
.head-top.is-stuck{box-shadow:0 8px 24px rgba(122,52,20,.08);}
.head-top-inner{
  display:flex;align-items:center;gap:20px;
  min-height:68px;padding-top:10px;padding-bottom:10px;
}
.brand-lock{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 8px 18px rgba(168,42,18,.24);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.25;
  letter-spacing:-.01em;max-width:200px;
}
.brand-lock:hover .brand-text{color:var(--brand-dark);}
.head-search{flex:1 1 auto;max-width:380px;min-width:0;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{
  position:absolute;left:16px;width:18px;height:18px;color:var(--muted);pointer-events:none;
}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-p);border:1px solid var(--border);
  background:var(--surface);padding:0 16px 0 44px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:#9C8E85;}
.search-box input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,54,27,.12);
}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-p);border:1px solid var(--border);
  background:var(--surface);color:var(--ink-2);display:none;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--warm);border-color:#E4C7B2;}
.icon-btn svg{width:20px;height:20px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-p);border:1px solid transparent;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;letter-spacing:.01em;
  box-shadow:0 10px 24px rgba(168,42,18,.22);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;cursor:pointer;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(108%);}
.btn-brand:active{transform:translateY(0);}
.btn-brand.sm{height:42px;padding:0 18px;font-size:14px;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-p);border:1.5px solid var(--brand);
  background:var(--surface);color:var(--ink);font-size:15px;font-weight:600;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;cursor:pointer;
}
.btn-outline-brand:hover{background:var(--warm);border-color:var(--brand-dark);color:var(--ink);transform:translateY(-2px);}
.btn-outline-brand:active{transform:translateY(0);}
.btn-outline-brand.sm{height:42px;padding:0 18px;font-size:14px;}

/* ---------- Channel tabs ---------- */
.channel-bar{background:rgba(255,249,243,.9);border-bottom:1px solid var(--border);}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  padding:10px 0;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.nav-pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-p);
  font-size:14.5px;font-weight:600;color:var(--ink-2);background:transparent;
  border:1px solid transparent;white-space:nowrap;flex:0 0 auto;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-pill:hover{background:var(--warm);color:var(--ink);}
.nav-pill.active{
  background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(168,42,18,.2);
}
.nav-pill.active:hover{color:#fff;background:var(--grad);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:36px 0 28px;
  background:
    radial-gradient(720px 340px at 12% -10%,rgba(200,54,27,.14),transparent 70%),
    radial-gradient(560px 300px at 88% 0%,rgba(245,158,11,.12),transparent 70%),
    radial-gradient(520px 280px at 60% 110%,rgba(14,124,123,.08),transparent 70%),
    var(--bg);
}
.breadcrumb-trail{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);margin-bottom:16px;
}
.breadcrumb-trail a{color:var(--muted);}
.breadcrumb-trail a:hover{color:var(--brand-dark);}
.breadcrumb-trail .sep{color:#C4B3A8;}
.breadcrumb-trail .cur{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pill-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-p);background:var(--warm);color:#A33A12;
  font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:14px;
}
.article-title{
  font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:16px;font-size:13px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D9C4B6;}
.article-lead{
  margin-top:18px;max-width:860px;background:var(--surface);border:1px solid var(--border);
  border-left:4px solid transparent;
  border-image:var(--grad-line) 1;
  border-radius:var(--r-m);padding:14px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ---------- Layout ---------- */
.article-wrap{padding:8px 0 56px;}
.grid-main{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;
}
.article-shell{min-width:0;max-width:760px;}
.article-body{
  font-size:17px;line-height:1.95;color:var(--ink-2);word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;text-align:left;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.32;font-weight:700;color:var(--ink);
  margin:2.2em 0 .7em;padding-left:16px;scroll-margin-top:140px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad-line);
}
.article-body h3{
  font-size:20px;line-height:1.4;font-weight:700;color:var(--ink);margin:1.8em 0 .6em;scroll-margin-top:140px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--warm);border-left:4px solid transparent;
  border-image:var(--grad-line) 1;border-radius:0 var(--r-m) var(--r-m) 0;color:var(--ink);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--teal);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:#0A5F5E;}
.article-body img{border-radius:16px;margin:1.5em 0;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-m);-webkit-overflow-scrolling:touch;
}
.article-body thead{background:var(--warm);}
.article-body th,.article-body td{padding:11px 16px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:#FFFCF8;}
.article-body code{
  background:var(--warm);padding:2px 7px;border-radius:6px;font-size:14px;color:#A33A12;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#221C18;color:#F6EEE7;padding:18px 20px;border-radius:var(--r-m);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0;}

/* empty state */
.empty-state{
  border:1.5px dashed var(--border);border-radius:var(--r-l);background:var(--surface);
  padding:48px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .em-icon{
  width:56px;height:56px;border-radius:18px;background:var(--warm);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.empty-state .em-icon svg{width:26px;height:26px;}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px;}

/* ---------- Sidebar ---------- */
.side-stack{position:sticky;top:140px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-l);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);
  letter-spacing:.04em;margin-bottom:14px;
}
.side-card-title .bar{width:16px;height:3px;border-radius:3px;background:var(--grad-line);}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 12px;font-size:14px;line-height:1.55;color:var(--ink-2);
  border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:#FFFAF5;color:var(--brand-dark);}
.toc-list a.active{background:var(--warm);border-left-color:var(--brand);color:var(--brand-dark);font-weight:600;}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:14px;border:1px solid var(--border);
  background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
}
.toc-toggle svg{width:18px;height:18px;transition:transform .24s ease;}
.toc-toggle[aria-expanded="true"] svg{transform:rotate(180deg);}
.cta-card{
  background:var(--grad);color:#fff;border:none;border-radius:var(--r-l);
  padding:24px;box-shadow:0 16px 36px rgba(168,42,18,.24);
}
.cta-card h3{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:8px;color:#fff;}
.cta-card p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:16px;}
.cta-card .btn-light-brand{
  display:inline-flex;align-items:center;justify-content:center;width:100%;height:44px;
  border-radius:var(--r-p);background:#fff;color:var(--brand-dark);font-size:14px;font-weight:700;
  border:1px solid transparent;transition:transform .2s ease,background .2s ease;
}
.cta-card .btn-light-brand:hover{background:#FFF3EC;color:var(--brand-dark);transform:translateY(-2px);}
.cta-card .ghost-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;
  color:rgba(255,255,255,.9);text-decoration:underline;text-underline-offset:3px;
}
.cta-card .ghost-link:hover{color:#fff;}
.rel-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.rel-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);padding-left:14px;position:relative;
  transition:color .2s ease;
}
.rel-list a::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.55;
}
.rel-list a:hover{color:var(--brand-dark);}
.back-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal);
}
.back-link svg{width:16px;height:16px;transition:transform .2s ease;}
.back-link:hover svg{transform:translateX(-4px);}

/* ---------- Related cards ---------- */
.related-section{padding:8px 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;color:var(--ink);}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal);
  text-decoration:underline;text-underline-offset:3px;
}
.text-link svg{width:16px;height:16px;transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}
.rel-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,54,27,.28);}
.rel-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--warm);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.rel-card:hover .thumb img{transform:scale(1.03);}
.rel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-card h3{font-size:17px;line-height:1.45;font-weight:700;color:var(--ink);}
.rel-card .desc{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.rel-card .arrow{width:18px;height:18px;color:var(--brand);transition:transform .2s ease;}
.rel-card:hover .arrow{transform:translateX(4px);}

/* ---------- Copy bar ---------- */
.copy-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-l);
  padding:16px 22px;margin-bottom:40px;box-shadow:var(--sh-1);
}
.copy-bar .copy-text{font-size:14px;color:var(--ink-2);font-weight:600;}
.copy-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--r-p);
  border:1.5px solid var(--border);background:var(--bg);color:var(--ink);font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.copy-btn:hover{background:var(--warm);border-color:var(--brand);transform:translateY(-2px);}
.copy-btn svg{width:17px;height:17px;color:var(--brand);}
.toast-host{position:fixed;right:20px;bottom:24px;z-index:1200;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;background:#221C18;color:#EFE4DB;padding:64px 0 0;margin-top:8px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-line);
}
.site-footer .wrap{padding-bottom:0;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;}
.footer-brand strong{font-size:15px;font-weight:700;color:#fff;line-height:1.4;}
.footer-desc{font-size:13.5px;line-height:1.8;color:#BCA99C;max-width:340px;}
.footer-meta{font-size:12.5px;color:#8E7B6E;margin-top:12px;}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:#BCA99C;position:relative;width:fit-content;transition:color .2s ease;}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--grad-line);
  transition:width .22s ease;
}
.footer-links a:hover{color:#fff;}
.footer-links a:hover::after{width:100%;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:12px;color:#8E7B6E;
}

/* ---------- Offcanvas ---------- */
.offcanvas-brand{background:var(--bg);color:var(--ink);}
.offcanvas-brand .offcanvas-header{border-bottom:1px solid var(--border);}
.offcanvas-brand .offcanvas-title{font-size:15px;font-weight:700;}
.offcanvas-brand .oc-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--border);
}
.offcanvas-brand .oc-link:hover{color:var(--brand-dark);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .grid-main{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
}
@media (max-width:991.98px){
  .grid-main{grid-template-columns:minmax(0,1fr);}
  .article-shell{max-width:none;}
  .side-stack{position:static;top:auto;}
  .toc-toggle{display:flex;}
  .toc-card .toc-body{display:none;margin-top:12px;}
  .toc-card .toc-body.show{display:block;}
  .rel-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-body h2{scroll-margin-top:80px;}
  .article-body h3{scroll-margin-top:80px;}
}
@media (max-width:860px){
  .head-search{display:none;}
  .icon-btn{display:inline-flex;}
  .head-actions .btn-brand{display:none;}
  .brand-text{font-size:13px;max-width:150px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .article-hero{padding:24px 0 20px;}
  .article-title{font-size:26px;line-height:1.3;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:18.5px;}
  .rel-cards{grid-template-columns:minmax(0,1fr);}
  .related-section{padding-bottom:56px;}
  .side-card,.cta-card{padding:18px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;}
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{font-size:12.5px;max-width:132px;line-height:1.3;}
  .channel-scroll{padding:8px 0;}
  .nav-pill{height:38px;padding:0 15px;font-size:13.5px;}
  .article-lead{font-size:14px;padding:12px 16px;}
  .btn-brand,.btn-outline-brand{width:100%;}
  .copy-bar{flex-direction:column;align-items:stretch;gap:10px;}
  .copy-btn{justify-content:center;width:100%;}
  .footer-bottom{flex-direction:column;}
  .toast-host{left:16px;right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .rel-card:hover{transform:none;}
  .rel-card:hover .thumb img{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#C8361B;
  --brand-dark:#9A2A12;
  --orange:#E85D04;
  --amber:#F59E0B;
  --amber-soft:#FFF3D6;
  --teal:#0E7C7B;
  --teal-soft:#DDF4F1;
  --ink:#1F1B18;
  --ink-2:#3D3530;
  --muted:#72675F;
  --bg:#FFF9F3;
  --surface:#FFFFFF;
  --surface-warm:#FFF1E4;
  --border:#F0DED0;
  --danger:#B91C1C;
  --success:#15803D;
  --grad:linear-gradient(118deg,#A82A12,#C8361B 48%,#D94A0B);
  --grad-soft:linear-gradient(118deg,#FFF1E4,#FFF9F3);
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 6px 18px rgba(122,52,20,.06);
  --shadow-m:0 10px 30px rgba(122,52,20,.08);
  --shadow-h:0 18px 44px rgba(122,52,20,.14);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",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-color:var(--bg);
  padding-bottom:88px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:2000;
  background:var(--surface);color:var(--ink);
  padding:10px 18px;border-radius:var(--radius-s);border:1px solid var(--border);
  box-shadow:var(--shadow-m);transition:top .2s ease;
}
.skip-link:focus{top:12px;color:var(--ink)}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:1030;background:rgba(255,249,243,.96);backdrop-filter:saturate(140%) blur(6px)}
.topbar{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,249,243,.96);
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:70px;padding:10px 0}
.brand-lockup{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);min-width:0}
.brand-lockup:hover{color:var(--ink)}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;
  border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;box-shadow:0 8px 20px rgba(168,42,18,.28);
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.search-form{flex:1 1 auto;max-width:380px;position:relative;display:flex;align-items:center}
.search-form .search-icon{position:absolute;left:16px;width:18px;height:18px;color:var(--muted);pointer-events:none}
.search-input{
  width:100%;height:44px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);
  padding:0 18px 0 44px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-input::placeholder{color:#A2968C}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,54,27,.14)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:0;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 24px rgba(168,42,18,.24);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;cursor:pointer;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(168,42,18,.3);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(0)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  background:var(--surface);border:1.5px solid var(--brand);color:var(--ink);
  font-size:15px;font-weight:600;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;cursor:pointer;
}
.btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--brand-dark);color:var(--ink);transform:translateY(-2px)}
.btn-ghost-icon{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);display:none;align-items:center;justify-content:center;color:var(--ink);
  transition:background-color .2s ease,border-color .2s ease;
}
.btn-ghost-icon:hover{background:var(--surface-warm);border-color:#E3C8B4;color:var(--ink)}
.btn-ghost-icon svg{width:20px;height:20px}
.btn-menu{display:none}
.channel-row{position:sticky;top:70px;z-index:1020;background:rgba(255,249,243,.96);border-bottom:1px solid var(--border)}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  padding:10px 0;overflow-x:auto;scrollbar-width:none;white-space:nowrap;
}
.channel-scroll::-webkit-scrollbar{display:none}
.nav-pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-pill:hover{background:var(--surface);color:var(--brand);border-color:var(--border)}
.nav-pill.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(168,42,18,.24)}
.nav-pill.active:hover{color:#fff}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:48px 0 56px;
  background:
    radial-gradient(circle at 12% 18%,rgba(200,54,27,.14),transparent 46%),
    radial-gradient(circle at 84% 12%,rgba(245,158,11,.12),transparent 44%),
    radial-gradient(circle at 68% 86%,rgba(14,124,123,.08),transparent 48%),
    var(--bg);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(122,52,20,.14) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;
}
.cat-hero .wrap{position:relative;z-index:2}
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:#C7B5A8}
.breadcrumb-line .current{color:var(--ink-2);font-weight:600}
.pill-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  box-shadow:var(--shadow-s);
}
.pill-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 7px}
.cat-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 16px;max-width:16em;
}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:36em}
.hero-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-h);background:var(--surface)}
.hero-visual img{width:100%;height:320px;object-fit:cover}
.hero-visual .visual-caption{
  position:absolute;inset:auto 0 0 0;padding:20px 24px;
  background:linear-gradient(180deg,rgba(31,27,24,0),rgba(31,27,24,.82));
  color:#fff;font-size:13.5px;line-height:1.7;
}
.hero-visual .visual-caption strong{display:block;font-size:15px;margin-bottom:2px}
.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.badge-data{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  padding:14px 14px 12px;box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;gap:2px;
}
.badge-data .badge-icon{width:20px;height:20px;color:var(--amber);margin-bottom:4px}
.badge-data .num{font-size:26px;line-height:1.1;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.badge-data .lbl{font-size:12px;color:var(--muted);font-weight:600}

/* ---------- Layout ---------- */
.cat-main{padding:56px 0 72px}
.anchor-nav{
  position:sticky;top:148px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
  padding:20px;box-shadow:var(--shadow-s);
}
.anchor-nav .anchor-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-s);
  font-size:14px;font-weight:600;color:var(--ink-2);
  border-left:3px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--surface-warm);color:var(--brand)}
.anchor-nav a.is-active{background:var(--surface-warm);color:var(--brand);border-left-color:var(--brand)}
.anchor-nav .anchor-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);font-size:12.5px;color:var(--muted);line-height:1.7}

.content-section{margin-bottom:56px;scroll-margin-top:140px}
.section-head{margin-bottom:24px}
.section-head .eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:8px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:44em}

/* Timeline */
.timeline{position:relative;padding-left:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(200,54,27,.5),rgba(245,158,11,.35),rgba(200,54,27,0));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 28px 68px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:16px;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:var(--brand);
  box-shadow:var(--shadow-s);font-variant-numeric:tabular-nums;
}
.tl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
  padding:22px 24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(200,54,27,.28)}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:8px}
.tl-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.tl-card .tl-tip{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:12.5px;font-weight:600;color:var(--teal);
  background:var(--teal-soft);padding:4px 12px;border-radius:999px;
}

/* Compat table */
.table-shell{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);overflow:hidden;
}
.table-scroll{overflow-x:auto}
.compat-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
.compat-table thead th{
  background:var(--surface-warm);color:var(--ink-2);font-weight:700;font-size:13px;
  letter-spacing:.04em;text-align:left;padding:14px 20px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.compat-table tbody td{padding:16px 20px;border-bottom:1px solid #F7EBE1;color:var(--ink-2);vertical-align:top;line-height:1.75}
.compat-table tbody tr:last-child td{border-bottom:0}
.compat-table tbody tr:nth-child(even){background:#FFFCF8}
.compat-table .env{font-weight:700;color:var(--ink);white-space:nowrap}
.tag-ok{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:700;white-space:nowrap}
.tag-warn{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--amber-soft);color:#92600A;font-size:12px;font-weight:700;white-space:nowrap}
.tag-no{display:inline-block;padding:3px 10px;border-radius:999px;background:#FDECEC;color:var(--danger);font-size:12px;font-weight:700;white-space:nowrap}

/* Warning cards */
.warn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.warn-card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-l);padding:24px 22px 22px;
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.warn-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--amber),#E58A05)}
.warn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(200,54,27,.24)}
.warn-card .warn-icon{width:34px;height:34px;color:var(--amber);margin-bottom:12px}
.warn-card h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:8px}
.warn-card p{font-size:14px;color:var(--ink-2);line-height:1.78}
.warn-card .warn-order{margin-top:14px;font-size:12.5px;color:var(--muted);font-weight:600}

/* Related cards */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(200,54,27,.28)}
.entry-card .thumb{overflow:hidden;aspect-ratio:16/10;background:var(--surface-warm)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.entry-card .cat-pill{
  align-self:flex-start;padding:3px 12px;border-radius:999px;
  background:var(--surface-warm);color:#A63A0E;font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.entry-card h3{font-size:17px;font-weight:700;line-height:1.45}
.entry-card p{font-size:13.5px;color:var(--muted);line-height:1.72}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--teal);
  margin-top:auto;padding-top:6px;
}
.text-link svg{width:16px;height:16px;transition:transform .2s ease}
.text-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.text-link:hover svg{transform:translateX(4px)}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:var(--grad);color:#fff;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 22px 48px rgba(168,42,18,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;border-radius:50%;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.4px,transparent 1.4px);
  background-size:16px 16px;pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;margin-bottom:8px;position:relative;z-index:2}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.86);position:relative;z-index:2;max-width:36em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band .btn-brand{background:#fff;color:var(--brand-dark);box-shadow:0 12px 26px rgba(0,0,0,.16)}
.cta-band .btn-brand:hover{background:#FFF7F0;color:var(--brand-dark)}
.cta-band .btn-outline-brand{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.cta-band .btn-outline-brand:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* Sticky CTA */
.sticky-cta{
  position:fixed;left:50%;transform:translate(-50%,140%);
  bottom:20px;z-index:1010;width:min(860px,calc(100% - 48px));
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  box-shadow:0 18px 44px rgba(122,52,20,.18);
  display:flex;align-items:center;gap:16px;padding:10px 12px 10px 22px;
  transition:transform .28s ease,opacity .28s ease;opacity:0;
}
.sticky-cta.show{transform:translate(-50%,0);opacity:1}
.sticky-cta .status{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);min-width:0}
.sticky-cta .status .dot{width:9px;height:9px;border-radius:50%;background:var(--success);flex:0 0 9px;box-shadow:0 0 0 4px rgba(21,128,61,.14)}
.sticky-cta .status span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sticky-cta .actions{display:flex;gap:10px;margin-left:auto}
.sticky-cta .btn-brand,.sticky-cta .btn-outline-brand{height:44px;padding:0 20px;font-size:14px}

/* Footer */
.site-footer{background:#1F1B18;color:#EDE4DC;padding-top:0;margin-top:0;position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.site-footer .wrap{padding-top:56px;padding-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px}
.footer-brand strong{font-size:15.5px;font-weight:700;color:#fff;line-height:1.4}
.footer-desc{font-size:13.5px;line-height:1.85;color:#B9ADA4;max-width:32em}
.footer-meta{margin-top:12px;font-size:12.5px;color:#8E8279}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:#B9ADA4;position:relative;display:inline-block;width:fit-content}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;
  background:linear-gradient(90deg,var(--orange),var(--amber));transition:width .22s ease;
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{width:100%}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:#8E8279;
}

/* Offcanvas */
.offcanvas.menu-drawer{background:var(--bg);color:var(--ink);max-width:86vw}
.menu-drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.menu-drawer .offcanvas-title{font-size:15px;font-weight:700}
.menu-drawer .offcanvas-body{padding:20px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--radius-s);font-size:15px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.drawer-links a:hover{background:var(--surface);border-color:var(--border);color:var(--brand)}
.drawer-links a.active{background:var(--grad);color:#fff}
.drawer-search{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.drawer-search .search-input{padding-left:44px}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
.drawer-cta .btn-brand,.drawer-cta .btn-outline-brand{width:100%}

/* Responsive */
@media (max-width:1199.98px){
  .hero-visual img{height:300px}
}
@media (max-width:991.98px){
  .channel-row{position:static;top:auto}
  .search-form{display:none}
  .header-actions .btn-brand{display:none}
  .btn-ghost-icon{display:inline-flex}
  .btn-menu{display:inline-flex}
  .anchor-nav{position:static;margin-bottom:28px;display:flex;gap:8px;overflow-x:auto;padding:12px;border-radius:var(--radius-m)}
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-nav .anchor-title,.anchor-nav .anchor-note{display:none}
  .anchor-nav a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;padding:8px 14px}
  .anchor-nav a.is-active{border-left:0;border-bottom-color:var(--brand)}
  .content-section{scroll-margin-top:80px}
  .cta-band{padding:36px 28px}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .cat-hero{padding:32px 0 40px}
  .hero-visual{margin-top:24px}
  .hero-visual img{height:230px}
  .badge-row{grid-template-columns:repeat(2,1fr)}
  .warn-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .cat-main{padding:40px 0 56px}
  .content-section{margin-bottom:44px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 22px;border-radius:var(--radius-l)}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-outline-brand{flex:1 1 100%;width:100%}
  .sticky-cta{
    bottom:0;left:0;transform:translateY(140%);width:100%;border-radius:0;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    border:0;border-top:1px solid var(--border);
  }
  .sticky-cta.show{transform:translateY(0)}
  .sticky-cta .status{display:none}
  .sticky-cta .actions{width:100%;gap:10px}
  .sticky-cta .actions .btn-brand,.sticky-cta .actions .btn-outline-brand{flex:1 1 0;padding:0 12px;font-size:13.5px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .brand-name{font-size:12.5px;white-space:normal;line-height:1.3;max-width:8em}
  .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px}
  .brand-mark svg{width:22px;height:22px}
  .brand-sub{font-size:10px}
  .topbar-inner{min-height:62px;gap:12px}
  .channel-row{top:62px}
  .cat-hero h1{font-size:28px}
  .badge-data .num{font-size:22px}
  .tl-item{padding-left:0;padding-top:56px}
  .timeline::before{left:23px;top:56px;bottom:12px}
  .tl-num{left:0;top:0}
  .btn-brand,.btn-outline-brand{height:46px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .entry-card:hover,.tl-card:hover,.warn-card:hover,.btn-brand:hover,.btn-outline-brand:hover{transform:none}
  .entry-card:hover .thumb img{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#C8361B;
  --brand-dark:#9A2A12;
  --orange:#E85D04;
  --amber:#F59E0B;
  --amber-soft:#FFF3D6;
  --teal:#0E7C7B;
  --teal-soft:#DDF4F1;
  --ink:#1F1B18;
  --ink-2:#3D3530;
  --muted:#72675F;
  --bg:#FFF9F3;
  --surface:#FFFFFF;
  --surface-warm:#FFF1E4;
  --border:#F0DED0;
  --danger:#B91C1C;
  --success:#15803D;
  --grad:linear-gradient(118deg,#A82A12,#C8361B 48%,#D94A0B);
  --grad-ink:linear-gradient(158deg,#241F1B,#3D3530 62%,#5C3B28);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh:0 10px 30px rgba(122,52,20,.08);
  --sh-hover:0 18px 44px rgba(122,52,20,.14);
  --fs-h1:clamp(30px,3.8vw,44px);
  --fs-h2:clamp(24px,2.6vw,32px);
  --fs-h3:20px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:88px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px}
::selection{background:rgba(200,54,27,.16)}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.site-header{z-index:1030;background:rgba(255,249,243,.94);border-bottom:1px solid var(--border);backdrop-filter:saturate(140%) blur(8px)}
@media(min-width:992px){
  .site-header{position:sticky;top:0;box-shadow:0 8px 24px rgba(122,52,20,.06)}
}
.header-top{background:transparent}
@media(max-width:991px){
  .header-top{position:sticky;top:0;z-index:1030;background:rgba(255,249,243,.97);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--border)}
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;padding-top:10px;padding-bottom:10px}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 8px 18px rgba(200,54,27,.24);flex-shrink:0;
}
.brand-mark svg{width:24px;height:24px}
.brand-text{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:-.01em;white-space:nowrap}

.site-search{
  position:relative;display:flex;align-items:center;gap:10px;
  width:100%;max-width:370px;height:46px;padding:0 18px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,54,27,.12)}
.site-search svg{width:19px;height:19px;color:var(--muted);flex-shrink:0}
.site-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--ink);
}
.site-search input::placeholder{color:#9C9088}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface);border-radius:14px;color:var(--ink-2);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--surface-warm);border-color:#E4C6B0;color:var(--brand-dark)}
.icon-btn svg{width:21px;height:21px}

/* channel tabs */
.header-channels{background:transparent;padding-bottom:12px}
.channel-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0}
.channel-scroll::-webkit-scrollbar{display:none}
.nav-pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:999px;white-space:nowrap;
  font-size:15px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-pill:hover{background:var(--surface-warm);color:var(--brand-dark);border-color:#F1DAC7}
.nav-pill.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(200,54,27,.22)}
.nav-pill.active:hover{color:#fff}

/* buttons */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(200,54,27,.20);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  cursor:pointer;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);filter:saturate(108%)}
.btn-brand:active{transform:translateY(0)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  background:var(--surface);border:1.5px solid var(--brand);color:var(--ink);
  font-size:15px;font-weight:600;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
  cursor:pointer;
}
.btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  background:var(--ink);color:#fff;font-size:15px;font-weight:600;
  transition:background .22s ease,transform .22s ease;
  cursor:pointer;
}
.btn-ink:hover{background:var(--ink-2);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-brand svg,.btn-outline-brand svg,.btn-ink svg{width:18px;height:18px}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link-arrow svg{width:18px;height:18px;transition:transform .2s ease}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 68px;
  background:
    radial-gradient(720px 420px at 10% 0%, rgba(200,54,27,.14), transparent 62%),
    radial-gradient(620px 380px at 88% 6%, rgba(245,158,11,.12), transparent 60%),
    radial-gradient(520px 340px at 62% 100%, rgba(14,124,123,.08), transparent 66%),
    var(--bg);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(31,27,24,.07) 1px, transparent 1px);
  background-size:18px 18px;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 76%);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 76%);
}
.page-hero .wrap{position:relative;z-index:1}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-dark)}
.crumbs span[aria-current]{color:var(--ink-2);font-weight:600}
.crumb-sep{color:#C4B4A8}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface-warm);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid #F2DDC9;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(200,54,27,.14)}

.hero-title{
  font-size:var(--fs-h1);line-height:1.16;font-weight:800;
  margin:18px 0 16px;letter-spacing:-.02em;max-width:15em;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:34em;margin-bottom:26px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}

.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--grad-ink);
  box-shadow:var(--sh);
  min-height:300px;
  isolation:isolate;
}
.hero-visual img{width:100%;height:340px;object-fit:cover;opacity:.92}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top, rgba(24,19,16,.86) 6%, rgba(24,19,16,.18) 54%, transparent 86%);
}
.hero-visual-cap{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fff}
.hero-visual-cap p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.9);margin:10px 0 0}
.pill-light{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  font-size:11px;font-weight:700;letter-spacing:.08em;color:#fff;
}
.hero-badge{
  position:absolute;z-index:3;display:flex;flex-direction:column;gap:2px;
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  padding:12px 16px;box-shadow:0 12px 28px rgba(122,52,20,.16);
  min-width:104px;
}
.hero-badge .hb-num{font-size:26px;font-weight:800;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-badge .hb-label{font-size:12px;font-weight:600;color:var(--muted);line-height:1.4}
.hb-1{top:18px;left:-10px;transform:rotate(-2deg)}
.hb-2{bottom:96px;right:-8px;transform:rotate(2deg)}
@media(max-width:1199px){.hb-1{left:8px}.hb-2{right:8px}}

/* ============ sections ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface-warm)}
.section-head{max-width:620px;margin-bottom:36px}
.section-head h2{font-size:var(--fs-h2);line-height:1.24;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px;margin:0}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}

/* dark panel */
.gl-panel{
  position:relative;overflow:hidden;
  background:var(--grad-ink);color:#fff;border-radius:var(--r-xl);
  padding:32px 28px;box-shadow:var(--sh-hover);
}
.gl-panel::before{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, rgba(232,93,4,.34), transparent 68%);
  top:-70px;right:-70px;
}
.gl-panel > *{position:relative;z-index:1}
.gl-shield{
  width:54px;height:54px;border-radius:18px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;margin-bottom:18px;
}
.gl-shield svg{width:28px;height:28px}
.gl-panel h2{color:#fff;font-size:24px;line-height:1.3;margin-bottom:12px}
.gl-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);margin-bottom:22px}
.gl-stats{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.gl-stats li{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:12px 16px;
}
.gs-num{font-size:24px;font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums;min-width:34px}
.gs-label{font-size:13px;color:rgba(255,255,255,.82);line-height:1.5}
.gl-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:#FFD9C2;text-decoration:underline;text-underline-offset:3px;
}
.gl-link svg{width:17px;height:17px;transition:transform .2s ease}
.gl-link:hover{color:#fff}
.gl-link:hover svg{transform:translateX(4px)}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(200,54,27,.28)}
.step-num{
  display:inline-flex;align-items:baseline;
  font-size:30px;font-weight:800;color:rgba(200,54,27,.26);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;letter-spacing:-.02em;
}
.step-card h3{font-size:18px;line-height:1.35;margin-bottom:10px}
.step-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}

/* callout */
.callout{
  display:flex;gap:16px;
  background:var(--amber-soft);border:1px solid #F5DFAC;border-left:4px solid var(--amber);
  border-radius:var(--r-md);padding:22px 24px;margin-top:24px;
}
.callout-icon{flex-shrink:0;width:30px;height:30px;color:#B45309}
.callout-icon svg{width:30px;height:30px}
.callout h3{font-size:17px;line-height:1.4;margin-bottom:10px;color:#7A3B08}
.callout ul{display:flex;flex-direction:column;gap:8px}
.callout li{position:relative;padding-left:18px;font-size:14px;line-height:1.8;color:#6B4515}
.callout li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* figure */
.check-figure{margin-top:24px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);background:var(--grad-ink)}
.check-figure img{width:100%;height:260px;object-fit:cover}
.check-figure figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:var(--surface)}

/* checklist */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:16px 18px;transition:border-color .2s ease,background .2s ease;
}
.check-item:hover{border-color:rgba(14,124,123,.34);background:#FFFDFA}
.check-item input{
  appearance:none;-webkit-appearance:none;
  width:22px;height:22px;margin:3px 0 0;flex-shrink:0;cursor:pointer;
  border:1.5px solid #D9C6B6;border-radius:7px;background:#fff;
  transition:background .18s ease,border-color .18s ease;
  background-repeat:no-repeat;background-position:center;background-size:15px 15px;
}
.check-item input:checked{
  background-color:var(--teal);border-color:var(--teal);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
}
.check-item label{font-size:14.5px;line-height:1.75;color:var(--ink-2);cursor:pointer}
.check-item input:checked + label{color:var(--ink)}

/* accordion */
.accordion-brand .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-md);
  background:var(--surface);margin-bottom:12px;overflow:hidden;
}
.accordion-brand .accordion-item:last-child{margin-bottom:0}
.accordion-brand .accordion-header{margin:0}
.accordion-brand .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:60px;padding:18px 22px;
  background:var(--surface);border:0;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.5;
  transition:background .2s ease;
}
.accordion-brand .accordion-button:hover{background:#FFFCF8}
.accordion-brand .accordion-button:not(.collapsed){
  background:var(--surface-warm);color:var(--brand-dark);
  box-shadow:inset 3px 0 0 0 var(--brand);
}
.accordion-brand .accordion-button:focus{box-shadow:inset 3px 0 0 0 var(--brand);outline:none}
.accordion-brand .accordion-button::after{
  content:"";width:20px;height:20px;flex-shrink:0;margin-left:auto;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C8361B' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:20px 20px;
  transition:transform .24s ease;
}
.accordion-brand .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-brand .accordion-body{
  padding:6px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);background:var(--surface-warm);
}
.accordion-brand .accordion-body p{margin:0 0 10px}
.accordion-brand .accordion-body p:last-child{margin-bottom:0}

/* form */
.form-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);
}
.form-brand label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.form-brand .form-control,.form-brand .form-select{
  height:48px;border-radius:14px;border:1px solid var(--border);background:#FFFCF9;
  padding:0 16px;font-size:15px;color:var(--ink);box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-brand textarea.form-control{height:auto;min-height:124px;padding:12px 16px;line-height:1.75;resize:vertical}
.form-brand .form-control:focus,.form-brand .form-select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(200,54,27,.12);
}
.form-brand .form-control::placeholder{color:#A3938A}
.form-brand .form-select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2372675F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;background-size:18px 18px;
  padding-right:44px;
}
.form-field{margin-bottom:18px}
.form-note{font-size:12px;line-height:1.7;color:var(--muted);margin-top:14px}
.form-feedback{font-size:13px;line-height:1.7;margin-top:12px;color:var(--danger)}
.form-feedback.is-ok{color:var(--success)}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:52px 44px;
  box-shadow:0 22px 50px rgba(154,42,18,.24);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:22px 22px;opacity:.55;
  -webkit-mask-image:radial-gradient(520px 260px at 82% 20%, #000, transparent 72%);
  mask-image:radial-gradient(520px 260px at 82% 20%, #000, transparent 72%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.28;margin-bottom:12px;max-width:20em}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin-bottom:26px;max-width:40em}
.cta-band .btn-outline-brand{background:transparent;border-color:rgba(255,255,255,.72);color:#fff}
.cta-band .btn-outline-brand:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}
.cta-band .btn-brand{background:#fff;color:var(--brand-dark);box-shadow:0 10px 24px rgba(70,20,6,.22)}
.cta-band .btn-brand:hover{color:var(--brand-dark);background:#FFF6EE}

/* float bar */
.float-bar{
  position:fixed;left:50%;bottom:18px;z-index:1020;
  width:min(820px,calc(100% - 32px));
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  padding:10px 14px 10px 22px;box-shadow:var(--sh-hover);
  transform:translate(-50%,22px);opacity:0;visibility:hidden;
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.float-bar.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
.float-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(14,124,123,.14);flex-shrink:0}
.float-text{font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}

/* footer */
.site-footer{
  position:relative;background:#221D1A;color:#E9DFD7;margin-top:96px;
  padding:64px 0 0;border-top:4px solid transparent;
  border-image:linear-gradient(90deg,#A82A12,#C8361B 46%,#E85D04) 1;
}
.site-footer .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.site-footer .brand-mark svg{width:22px;height:22px}
.site-footer .footer-brand strong{font-size:15px;font-weight:700;color:#fff;line-height:1.3}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(233,223,215,.72);margin-bottom:12px;max-width:34em}
.footer-meta{font-size:12px;color:rgba(233,223,215,.5);margin:0}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:13.5px;color:rgba(233,223,215,.72);width:fit-content;
  background-image:linear-gradient(90deg,var(--orange),var(--amber));
  background-size:0% 1.5px;background-repeat:no-repeat;background-position:0 100%;
  padding-bottom:2px;transition:color .2s ease,background-size .24s ease;
}
.footer-links a:hover{color:#fff;background-size:100% 1.5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:52px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12px;color:rgba(233,223,215,.5);line-height:1.7;
}

/* offcanvas */
.offcanvas.menu-panel{background:var(--bg);border-left:1px solid var(--border)}
.menu-panel .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.menu-panel .offcanvas-title{font-size:16px;font-weight:700}
.menu-panel .btn-close{opacity:.6}
.menu-panel .btn-close:hover{opacity:1}
.menu-panel .offcanvas-body{padding:20px}
.menu-list{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.menu-list a{
  display:flex;align-items:center;min-height:48px;padding:0 18px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--ink-2);border:1px solid var(--border);background:var(--surface);
}
.menu-list a:hover{background:var(--surface-warm);color:var(--brand-dark)}
.menu-list a.active{background:var(--grad);color:#fff;border-color:transparent}

/* misc */
.scroll-margin{scroll-margin-top:140px}
@media(max-width:991px){.scroll-margin{scroll-margin-top:80px}}

@media(max-width:1199px){
  .step-grid{gap:14px}
}
@media(max-width:991px){
  .section{padding:80px 0}
  .section-tight{padding:64px 0}
  .gl-panel{position:static;margin-bottom:32px}
  .step-grid{grid-template-columns:1fr}
  .hero-visual img{height:300px}
  .hb-1,.hb-2{transform:none}
  .site-search{max-width:100%}
}
@media(max-width:767px){
  .header-inner{min-height:64px;gap:12px}
  .brand-text{font-size:12.5px;line-height:1.2;white-space:normal;max-width:8.6em}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-mark svg{width:21px;height:21px}
  .site-search{display:none}
  .header-top.show-search .site-search{
    display:flex;position:static;width:100%;max-width:100%;
    margin:0 0 12px;order:3;flex-basis:100%;
  }
  .header-top.show-search .header-inner{flex-wrap:wrap}
  .channel-scroll{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    padding-left:2px;padding-right:2px;
  }
  .nav-pill{height:40px;padding:0 16px;font-size:14px}
  .page-hero{padding:32px 0 52px}
  .hero-title{max-width:none}
  .hero-lead{font-size:15.5px}
  .checklist{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cta-band{padding:36px 24px;border-radius:24px}
  .form-card{padding:22px}
  .float-bar{padding:10px 12px 10px 16px;gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:575px){
  .wrap{padding:0 16px}
  .hero-ctas .btn-brand,.hero-ctas .btn-outline-brand{width:100%}
  .hero-badge{padding:10px 14px;min-width:92px}
  .hero-badge .hb-num{font-size:22px}
  .hero-visual img{height:250px}
  .hero-visual-cap{left:18px;right:18px;bottom:18px}
  .cta-band .btn-brand,.cta-band .btn-outline-brand{width:100%}
  .float-bar{bottom:0;left:0;width:100%;border-radius:0;transform:translateY(110%);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));gap:10px;}
  .float-bar.is-visible{transform:translateY(0)}
  .float-text{display:none}
  .float-actions{width:100%;margin-left:0}
  .float-actions .btn{flex:1;justify-content:center}
  .form-brand .btn-ink{width:100%}
  .step-card{padding:20px}
  .site-footer{padding-top:48px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .step-card:hover,.btn-brand:hover,.btn-outline-brand:hover,.btn-ink:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#C8361B;
  --brand-dark:#9A2A12;
  --orange:#E85D04;
  --amber:#F59E0B;
  --amber-soft:#FFF3D6;
  --teal:#0E7C7B;
  --teal-soft:#DDF4F1;
  --ink:#1F1B18;
  --ink-2:#3D3530;
  --muted:#72675F;
  --bg:#FFF9F3;
  --surface:#FFFFFF;
  --surface-warm:#FFF1E4;
  --border:#F0DED0;
  --danger:#B91C1C;
  --success:#15803D;
  --grad:linear-gradient(118deg,#A82A12 0%,#C8361B 48%,#D94A0B 100%);
  --grad-dark:linear-gradient(150deg,#241C18 0%,#1F1B18 55%,#2E1A12 100%);
  --shadow-sm:0 6px 18px rgba(122,52,20,.06);
  --shadow:0 10px 30px rgba(122,52,20,.08);
  --shadow-lg:0 18px 44px rgba(122,52,20,.14);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --ease:.24s ease;
  --bs-body-bg:#FFF9F3;
  --bs-body-color:#1F1B18;
  --bs-primary:#C8361B;
  --bs-link-color:#0E7C7B;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--teal);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(200,54,27,.16)}
.skip-link{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0}
.skip-link:focus{left:0;color:#fff}
.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
[id]{scroll-margin-top:140px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,249,243,.94);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(122,52,20,.08)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;padding-block:10px}
.brand-lockup{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;min-height:44px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(168,42,18,.26);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:15px;font-weight:800;line-height:1.25;color:var(--ink)}
.search-box{
  position:relative;display:flex;align-items:center;gap:9px;
  flex:1 1 280px;max-width:380px;height:44px;padding-inline:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,54,27,.13)}
.search-box svg{width:18px;height:18px;color:var(--muted);flex:0 0 auto}
.search-box input{width:100%;border:0;background:transparent;outline:0;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--surface);color:var(--ink-2);display:inline-grid;place-items:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn svg{width:20px;height:20px}
.icon-btn:hover{background:var(--surface-warm);color:var(--brand-dark);border-color:rgba(200,54,27,.28)}
.icon-btn:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px}
.channel-row{padding-bottom:10px}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;padding:2px 0 8px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.nav-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding-inline:18px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.nav-pill:hover{background:var(--surface-warm);color:var(--brand-dark)}
.nav-pill:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px}
.nav-pill.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(168,42,18,.22)}
.nav-pill.active:hover{color:#fff}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding-inline:24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-brand{border:0;background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(168,42,18,.22)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(168,42,18,.3);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(0)}
.btn-outline-brand{background:var(--surface);border:1.5px solid var(--brand);color:var(--ink)}
.btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-brand:focus-visible,.btn-outline-brand:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:2px}
.btn-brand.btn-sm,.btn-outline-brand.btn-sm{height:42px;padding-inline:18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.link-arrow svg{width:16px;height:16px;transition:transform var(--ease)}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding-top:20px;font-size:13px;color:var(--muted)}
.crumb-bar a{color:var(--muted)}
.crumb-bar a:hover{color:var(--brand-dark)}
.crumb-bar .sep{margin-inline:8px;opacity:.6}
.crumb-bar .current{color:var(--ink-2);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:36px 0 64px;
  background:
    radial-gradient(circle at 10% 6%,rgba(200,54,27,.14),transparent 42%),
    radial-gradient(circle at 84% 10%,rgba(245,158,11,.12),transparent 46%),
    radial-gradient(circle at 56% 96%,rgba(14,124,123,.08),transparent 52%),
    var(--bg);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(31,27,24,.07) 1px,transparent 1px);
  background-size:18px 18px;opacity:.65;
}
.cat-hero .wrap{position:relative;z-index:1}
.kicker{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding-inline:14px;
  border-radius:var(--r-pill);background:var(--amber-soft);color:#8A4A02;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(245,158,11,.35);
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
}
.cat-hero .lead-text{margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(240,222,208,.9);box-shadow:var(--shadow-lg);
}
.hero-visual img{width:100%;height:312px;object-fit:cover}
.hero-visual .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,27,24,0) 32%,rgba(31,27,24,.78) 100%)}
.hero-badges{position:absolute;left:16px;right:16px;bottom:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.hero-badge{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:9px 6px;text-align:center;box-shadow:0 8px 18px rgba(31,27,24,.18);
  font-size:12px;font-weight:700;color:var(--ink);line-height:1.35;
}
.hero-badge span{display:block;font-size:11px;font-weight:500;color:var(--muted);margin-top:2px}

/* ---------- 筛选条 ---------- */
.filter-bar{background:var(--surface);border-block:1px solid var(--border);padding-block:14px}
.filter-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding-inline:18px;
  border-radius:var(--r-pill);border:1px solid var(--border);background:var(--surface-warm);
  color:var(--ink-2);font-size:14px;font-weight:600;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{background:#fff;border-color:rgba(200,54,27,.35);color:var(--brand-dark);transform:translateY(-1px)}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(168,42,18,.2)}

/* ---------- 通用板块 ---------- */
.section{padding-block:76px}
.section-warm{background:var(--surface-warm)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.24}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--muted);max-width:640px}

/* ---------- 卡片 ---------- */
.card-soft{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(200,54,27,.28)}
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding-inline:11px;border-radius:var(--r-pill);
  background:var(--surface-warm);color:#A03A0E;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.tag-pill.teal{background:var(--teal-soft);color:#0B5F5E}
.tag-pill.amber{background:var(--amber-soft);color:#8A4A02}

/* ---------- 杂志区 ---------- */
.feature-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:28px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(200,54,27,.28)}
.feature-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--surface-warm)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media .media-tag{position:absolute;left:16px;top:16px}
.feature-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-body h3{font-size:22px;font-weight:700;line-height:1.36}
.feature-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.feature-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted)}
.feature-meta .date{font-variant-numeric:tabular-nums}

.side-card{padding:26px;display:flex;flex-direction:column;gap:16px}
.side-card h3{font-size:18px;font-weight:700}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:34px;padding-inline:14px;border-radius:var(--r-pill);
  background:var(--surface-warm);color:var(--ink-2);font-size:13px;font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.tag-cloud a:hover{background:#fff;color:var(--brand-dark);border-color:rgba(200,54,27,.32);transform:translateY(-1px)}
.prompt-card{
  background:var(--grad);color:#fff;border-radius:var(--r-lg);padding:28px;
  box-shadow:0 16px 36px rgba(168,42,18,.24);position:relative;overflow:hidden;
}
.prompt-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);
}
.prompt-card h3{color:#fff;font-size:19px;font-weight:700;line-height:1.4;position:relative;z-index:1}
.prompt-card p{color:rgba(255,255,255,.9);font-size:14px;line-height:1.75;margin-top:10px;position:relative;z-index:1}
.prompt-card .btn-outline-brand{
  margin-top:20px;background:#fff;border-color:#fff;color:var(--brand-dark);position:relative;z-index:1;
}
.prompt-card .btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--surface-warm);color:var(--brand-dark)}

/* ---------- 编辑精选列表 ---------- */
.edit-item{display:flex;gap:18px;height:100%;padding:18px;align-items:flex-start}
.edit-thumb{width:132px;height:104px;flex:0 0 auto;border-radius:var(--r-md);overflow:hidden;background:var(--surface-warm)}
.edit-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.edit-item:hover .edit-thumb img{transform:scale(1.04)}
.edit-content{display:flex;flex-direction:column;gap:8px;min-width:0}
.edit-content h3{font-size:17px;font-weight:700;line-height:1.45}
.edit-content p{font-size:14px;color:var(--ink-2);line-height:1.7}
.edit-content .date{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 深色信息面板 ---------- */
.hud{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-dark);color:#fff;padding:44px;
  box-shadow:0 20px 48px rgba(31,27,24,.22);
}
.hud::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:18px 18px;opacity:.55;
}
.hud::after{
  content:"";position:absolute;right:-130px;top:-150px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,93,4,.34),transparent 66%);
}
.hud > *{position:relative;z-index:1}
.hud h2{color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3}
.hud .hud-sub{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:560px}
.hud-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.hud-step{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:22px;
  transition:background var(--ease),transform var(--ease);
}
.hud-step:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.hud-step .num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.hud-step h3{color:#fff;font-size:17px;font-weight:700;margin-top:14px}
.hud-step p{color:rgba(255,255,255,.76);font-size:14px;line-height:1.75;margin-top:8px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-aside{position:sticky;top:140px}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.26}
.faq-aside p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}
.faq-aside .link-arrow{margin-top:18px}
.acc-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:background var(--ease),border-color var(--ease);
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  opacity:0;transition:opacity var(--ease);
}
.acc-item:has(.acc-btn[aria-expanded="true"]){background:var(--surface-warm);border-color:rgba(200,54,27,.28)}
.acc-item:has(.acc-btn[aria-expanded="true"])::before{opacity:1}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  min-height:56px;
}
.acc-btn:focus-visible{outline:3px solid rgba(200,54,27,.28);outline-offset:-3px}
.acc-icon{position:relative;width:16px;height:16px;flex:0 0 16px;color:var(--brand)}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform var(--ease);
}
.acc-icon::before{left:0;top:7px;width:16px;height:2px}
.acc-icon::after{top:0;left:7px;width:2px;height:16px}
.acc-btn[aria-expanded="true"] .acc-icon::after{transform:rotate(90deg)}
.acc-btn[aria-expanded="true"] .acc-icon::before{transform:rotate(180deg)}
.acc-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.acc-body p + p{margin-top:12px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:56px 48px;
  box-shadow:0 22px 50px rgba(168,42,18,.26);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:20px 20px;opacity:.5;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;max-width:640px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin-top:12px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-band .btn-outline-brand{background:#fff;border-color:#fff;color:var(--brand-dark)}
.cta-band .btn-outline-brand:hover{background:var(--surface-warm);border-color:var(--surface-warm);color:var(--brand-dark)}

/* ---------- 固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:50%;bottom:18px;z-index:1040;
  width:min(860px,calc(100% - 32px));
  transform:translateX(-50%) translateY(150%);
  opacity:0;pointer-events:none;
  display:flex;align-items:center;gap:16px;
  padding:12px 14px 12px 22px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);
  box-shadow:0 18px 44px rgba(122,52,20,.18);
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.show{transform:translateX(-50%) translateY(0);opacity:1;pointer-events:auto}
.sticky-cta .status{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--ink-2)}
.sticky-cta .dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(21,128,61,.14)}
.sticky-cta .spacer{margin-left:auto}
.sticky-cta .btn-brand.btn-sm{height:40px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:76px;
  background:var(--grad-dark);color:#fff;padding:64px 0 0;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand strong{font-size:16px;font-weight:800;color:#fff}
.site-footer .brand-mark{box-shadow:0 8px 18px rgba(0,0,0,.3)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-meta{margin-top:14px;font-size:12px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);position:relative;display:inline-block;width:fit-content;
  transition:color var(--ease),transform var(--ease);
}
.footer-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-bottom{
  margin-top:48px;padding-block:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- Offcanvas ---------- */
.menu-panel{background:var(--bg);color:var(--ink);max-width:86vw}
.menu-panel .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.menu-panel .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink)}
.menu-panel .btn-close{filter:none;opacity:.55}
.menu-panel .btn-close:hover{opacity:.9}
.menu-links{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.menu-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--border);color:var(--ink-2);font-size:15px;font-weight:600;
}
.menu-links a:hover{background:var(--surface-warm);color:var(--brand-dark);border-color:rgba(200,54,27,.28)}
.menu-links a.active{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hud-steps{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
  .wrap{padding-inline:20px}
  .section{padding-block:64px}
  .header-inner{min-height:64px;gap:12px}
  .brand-name{font-size:13px;line-height:1.3}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-mark svg{width:20px;height:20px}
  .search-box{max-width:none}
  .hero-visual img{height:260px}
  .cat-hero{padding-bottom:48px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .hud{padding:32px}
  .cta-band{padding:40px 28px}
  .edit-thumb{width:112px;height:92px}
  [id]{scroll-margin-top:100px}
}
@media (max-width:767.98px){
  .section{padding-block:52px}
  .hero-visual img{height:230px}
  .cat-hero h1{font-size:30px}
  .feature-body{padding:20px}
  .feature-body h3{font-size:19px}
  .hud-steps{grid-template-columns:1fr}
  .sticky-cta{
    width:100%;left:0;right:0;bottom:0;transform:translateY(150%);
    border-radius:18px 18px 0 0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    gap:10px;
  }
  .sticky-cta.show{transform:translateY(0)}
  .sticky-cta .status{font-size:12px}
  .sticky-cta .btn-brand.btn-sm,.sticky-cta .btn-outline-brand.btn-sm{height:38px;padding-inline:14px;font-size:13px}
  body{padding-bottom:76px}
}
@media (max-width:575.98px){
  .wrap{padding-inline:16px}
  .search-box{display:none}
  .brand-name{font-size:12px;max-width:150px}
  .hero-badges{grid-template-columns:repeat(3,1fr);gap:6px;left:10px;right:10px;bottom:10px}
  .hero-badge{font-size:11px;padding:7px 4px;border-radius:12px}
  .hero-badge span{font-size:10px}
  .btn-brand,.btn-outline-brand{width:100%}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-outline-brand{width:100%}
  .edit-item{flex-direction:column;gap:12px}
  .edit-thumb{width:100%;height:150px}
  .channel-scroll{
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);
    mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);
  }
  .hud{padding:24px 20px}
  .cta-band{padding:32px 20px}
  .footer-bottom{font-size:11px}
  .sticky-cta .status span{display:none}
  .sticky-cta .btn-brand.btn-sm,.sticky-cta .btn-outline-brand.btn-sm{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .card-soft:hover,.feature-card:hover,.edit-item:hover,.hud-step:hover,.btn-brand:hover,.btn-outline-brand:hover{transform:none !important}
  .feature-card:hover .feature-media img,.edit-item:hover .edit-thumb img{transform:none !important}
}