/* roulang page: index */
:root{
  --c-ink:#16211F;
  --c-primary:#223531;
  --c-primary-soft:#35544C;
  --c-accent:#C8542A;
  --c-accent-hover:#A8411F;
  --c-gold:#C3A265;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E5DFD3;
  --c-text:#2A2A26;
  --c-text-mute:#6B6A62;
  --c-dark-text:#F2EFE7;
  --c-dark-mute:#A9A79C;
  --lv-1:#4E6B63; --lv-1-bg:#EDF1EE;
  --lv-2:#2E6B4F; --lv-2-bg:#E9F1EB;
  --lv-3:#C8542A; --lv-3-bg:#FBEDE6;
  --r-block:20px; --r-card:16px; --r-btn:12px;
  --sh-card:0 1px 2px rgba(22,33,31,.05), 0 1px 3px rgba(22,33,31,.04);
  --sh-hover:0 8px 24px rgba(22,33,31,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(135deg,rgba(22,33,31,.028) 0 2px,transparent 2px 14px);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
section{scroll-margin-top:110px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.35;font-weight:600;letter-spacing:.3px}
.section-head p{font-size:14px;color:var(--c-text-mute);margin-top:8px;line-height:1.7}
.hairline{height:1px;background:var(--c-line);border:0;margin:0}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;min-height:44px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#8E3315}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(34,53,49,.08);transform:translateY(-1px)}
.btn-ghost{color:var(--c-primary);padding:0 6px;height:44px;background:transparent}
.btn-ghost .arrow{transition:transform .2s ease-out}
.btn-ghost:hover .arrow{transform:translateX(2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(2px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1;font-weight:600;letter-spacing:.2px}
.badge-cat{background:var(--lv-1-bg);color:var(--lv-1)}
.badge-lv1{background:var(--lv-1-bg);color:var(--lv-1)}
.badge-lv2{background:var(--lv-2-bg);color:var(--lv-2)}
.badge-lv3{background:var(--lv-3-bg);color:var(--lv-3)}
.badge-state{background:#F6EFDF;color:#8A6A28}

/* 头部 */
.site-header{position:sticky;top:0;z-index:40}
.topbar{background:var(--c-ink);color:var(--c-dark-mute);font-size:13px;line-height:1.7;height:34px;overflow:hidden;transition:height .2s ease-out,opacity .2s ease-out}
.topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-header.is-scrolled .topbar{height:0;opacity:0}
.nav-shell{padding-bottom:14px}
.nav-card{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.96);border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:12px 16px;margin-top:12px;transition:box-shadow .2s ease-out,transform .2s ease-out}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-hover)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:var(--c-gold);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-text{font-size:17px;font-weight:700;line-height:1.35;color:var(--c-primary);letter-spacing:.2px}
.brand-sub{display:block;font-size:12px;font-weight:400;color:var(--c-text-mute);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--c-text);transition:background-color .2s ease-out,color .2s ease-out}
.nav-links a svg{width:20px;height:20px;stroke-width:1.6;stroke:currentColor;fill:none;transition:stroke .2s ease-out}
.nav-links a:hover{background:rgba(34,53,49,.08);color:var(--c-primary)}
.nav-links a:hover svg{stroke:var(--c-accent)}
.nav-links a.is-active{background:rgba(34,53,49,.08);color:var(--c-primary);font-weight:600}
.nav-links a.is-active svg{stroke:var(--c-accent)}
.nav-links a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px;stroke:var(--c-primary);stroke-width:1.6;fill:none}
.nav-drawer{display:none;margin-top:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);padding:16px;box-shadow:var(--sh-card)}
.nav-drawer.is-open{display:block}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:12px}
.drawer-grid a{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 14px;border-radius:var(--r-btn);background:var(--c-bg);font-size:15px}
.drawer-grid a.is-active{background:rgba(34,53,49,.08);color:var(--c-primary);font-weight:600}
.drawer-grid a svg{width:20px;height:20px;stroke:var(--c-accent);stroke-width:1.6;fill:none}

/* Hero */
.hero{padding:72px 0 40px;background-color:var(--c-bg);background-image:repeating-linear-gradient(135deg,rgba(22,33,31,.03) 0 2px,transparent 2px 16px)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--c-primary);letter-spacing:.2px}
.hero-sub{font-size:17px;color:var(--c-text-mute);margin-top:18px;line-height:1.8;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-note{font-size:13px;color:var(--c-text-mute);margin-top:20px}
.hero-visual{position:relative}
.ratio-43{aspect-ratio:4/3;border-radius:var(--r-block);overflow:hidden;background:#E9E4D9}
.ratio-43 img{width:100%;height:100%;object-fit:cover}
.float-card{position:absolute;left:16px;bottom:-18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-hover);padding:14px 18px;display:flex;align-items:center;gap:12px;max-width:88%}
.float-card p{font-size:13px;color:var(--c-text-mute);line-height:1.6}

/* 数据条 */
.stats{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);box-shadow:var(--sh-card);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden}
.stat{padding:28px 24px;display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0}
.stat b{font-size:28px;line-height:1.2;font-weight:700;color:var(--c-primary);letter-spacing:.5px}
.stat b em{font-style:normal;font-size:14px;color:var(--c-accent);margin-left:2px;font-weight:600}
.stat span{font-size:14px;color:var(--c-text-mute);line-height:1.7}

/* 权益对比表 */
.compare-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);box-shadow:var(--sh-card);overflow:hidden}
.compare-head,.compare-row{display:grid;grid-template-columns:1.5fr repeat(4,minmax(0,1fr));align-items:stretch}
.compare-head{background:#FBF9F4;border-bottom:1px solid var(--c-line)}
.compare-head>div{padding:18px 16px;font-size:15px;font-weight:600;color:var(--c-primary);text-align:center}
.compare-head>div:first-child{text-align:left;color:var(--c-text-mute);font-weight:500;font-size:14px}
.compare-head .col-rec{background:rgba(34,53,49,.04);position:relative;border-top:4px solid var(--c-accent)}
.compare-head .col-rec small{display:block;font-size:12px;font-weight:600;color:var(--c-accent);margin-top:2px}
.compare-row{border-bottom:1px solid var(--c-line);transition:background-color .2s ease-out}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:var(--c-bg)}
.compare-row>div{padding:15px 16px;font-size:14px;color:var(--c-text);display:flex;align-items:center;gap:8px}
.compare-row>div:first-child{color:var(--c-primary);font-weight:600}
.compare-row>div:not(:first-child){justify-content:center;text-align:center;color:var(--c-text-mute)}
.compare-row .col-rec{background:rgba(34,53,49,.04)}
.tick{width:16px;height:16px;flex-shrink:0;stroke:var(--lv-2);stroke-width:2;fill:none}
.dash{width:16px;height:2px;border-radius:2px;background:#CFC9BC;flex-shrink:0}
.compare-mobile{display:none}

/* 等级亮点 */
.levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.level-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:28px 24px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(34,53,49,.3)}
.level-num{font-size:32px;font-weight:300;color:var(--c-gold);letter-spacing:2px;line-height:1}
.level-card h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-primary);margin-top:14px}
.level-card .level-note{font-size:14px;color:var(--c-text-mute);margin-top:10px}
.level-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.level-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.7}
.level-list li svg{width:18px;height:18px;margin-top:4px;flex-shrink:0;stroke:var(--c-accent);stroke-width:1.8;fill:none}
.level-card.is-tall{padding-bottom:40px}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(34,53,49,.3)}
.news-card.is-featured{grid-column:span 2}
.news-link{display:flex;flex-direction:column;height:100%}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#EDE8DE}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:14px;line-height:1.75;color:var(--c-text-mute);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:13px;color:var(--c-text-mute);margin-top:auto}
.empty-state{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-state svg{width:36px;height:36px;margin:0 auto 16px;stroke:var(--c-primary-soft);stroke-width:1.6;fill:none}
.empty-state p{font-size:16px;font-weight:600;color:var(--c-primary)}
.empty-state span{display:block;font-size:14px;color:var(--c-text-mute);margin:8px 0 20px}

/* 专属内容预览 */
.exclusive{background:var(--c-ink);color:var(--c-dark-text);padding:96px 0}
.exclusive .section-head h2{color:var(--c-dark-text)}
.exclusive .section-head p{color:var(--c-dark-mute)}
.excl-track{display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory}
.excl-track::-webkit-scrollbar{height:6px}
.excl-track::-webkit-scrollbar-track{background:rgba(242,239,231,.08);border-radius:999px}
.excl-track::-webkit-scrollbar-thumb{background:rgba(195,162,101,.55);border-radius:999px}
.excl-card{position:relative;flex:0 0 340px;scroll-snap-align:start;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(195,162,101,.25);background:#1E2C29}
.excl-media{aspect-ratio:16/10;position:relative}
.excl-media img{width:100%;height:100%;object-fit:cover;opacity:.6}
.excl-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,33,31,.25),rgba(22,33,31,.88))}
.excl-lock{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;background:rgba(22,33,31,.6);display:flex;align-items:center;justify-content:center}
.excl-lock svg{width:18px;height:18px;stroke:var(--c-gold);stroke-width:1.6;fill:none}
.excl-body{position:absolute;left:0;right:0;bottom:0;padding:18px 20px 20px}
.excl-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--c-dark-text)}
.excl-body p{font-size:13px;color:var(--c-dark-mute);margin-top:8px}
.excl-tools{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.excl-tools button{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(195,162,101,.35);background:transparent;color:var(--c-dark-text);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s ease-out}
.excl-tools button:hover{background:rgba(195,162,101,.15)}
.excl-tools svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 4px;
  background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-primary);cursor:pointer;transition:color .2s ease-out}
.faq-q:hover{color:var(--c-accent)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .2s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-accent);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:opacity .2s ease-out}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg)}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0}
.faq-a{padding:18px 20px;background:var(--c-bg);border-radius:var(--r-btn);font-size:15px;line-height:1.9;color:var(--c-text-mute);margin-bottom:12px}

/* CTA */
.cta{background:var(--c-ink);color:var(--c-dark-text);padding:88px 0}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.cta h2{font-size:28px;line-height:1.35;font-weight:600}
.cta-lead{color:var(--c-dark-mute);font-size:15px;margin-top:16px;line-height:1.9}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--c-dark-text)}
.cta-points svg{width:18px;height:18px;stroke:var(--c-gold);stroke-width:1.8;fill:none;flex-shrink:0}
.form-card{background:#fff;border-radius:var(--r-block);padding:28px;box-shadow:var(--sh-hover);border:1px solid var(--c-line)}
.form-card h3{font-size:18px;font-weight:600;color:var(--c-primary);line-height:1.5}
.form-card .form-tip{font-size:13px;color:var(--c-text-mute);margin-top:8px}
.field{margin-top:16px}
.field label{display:block;font-size:13px;color:var(--c-text-mute);margin-bottom:6px}
.field input,.field select{width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field input:focus,.field select:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(200,84,42,.55);outline:none}
.field input[aria-invalid="true"]{border-color:var(--c-accent)}
.field .err{display:none;font-size:12px;color:var(--c-accent);margin-top:6px}
.field.has-error .err{display:block}
.form-card .btn{width:100%;margin-top:20px}
.form-note{font-size:12px;color:var(--c-text-mute);margin-top:12px;line-height:1.7}
.form-done{display:none;margin-top:14px;font-size:13px;color:var(--lv-2);background:var(--lv-2-bg);border-radius:var(--r-btn);padding:10px 14px}
.form-done.is-visible{display:block}

/* 页脚 */
.site-footer{background:var(--c-ink);color:var(--c-dark-mute);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--c-dark-text)}
.footer-brand .brand-mark{background:rgba(195,162,101,.16)}
.footer-brand strong{display:block;font-size:16px;font-weight:700;color:var(--c-dark-text);line-height:1.5}
.footer-about{font-size:14px;line-height:1.9;margin-top:16px;max-width:30em}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-gold);margin-bottom:16px;letter-spacing:.4px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--c-dark-mute);transition:color .2s ease-out}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(195,162,101,.25);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px}

/* 响应式 */
@media (max-width:1180px){
  .nav-links a{padding:0 10px;font-size:14px}
  .brand-text{font-size:16px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .exclusive,.cta{padding:64px 0}
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero{padding:48px 0 32px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-visual{order:-1}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line)}
  .compare-head,.compare-row{grid-template-columns:1.3fr repeat(4,minmax(0,1fr))}
  .levels{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card.is-featured{grid-column:span 2}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:860px){
  .compare-wrap{display:none}
  .compare-mobile{display:grid;gap:20px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .exclusive,.cta{padding:48px 0}
  .topbar{display:none}
  .brand-text{font-size:15px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:22px}
  .levels{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-featured{grid-column:span 1}
  .float-card{position:static;margin-top:14px;max-width:100%}
  .stats{grid-template-columns:1fr}
  .stat{border-left:0;border-top:1px solid var(--c-line)}
  .stat:first-child{border-top:0}
  .excl-card{flex:0 0 82%}
  .footer-grid{grid-template-columns:1fr}
  .cta h2{font-size:22px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .btn:hover,.news-card:hover,.level-card:hover{transform:none !important}
  .news-card:hover .news-thumb img{transform:none !important}
}

/* roulang page: article */
:root{
    --c-ink:#16211F;
    --c-primary:#223531;
    --c-primary-soft:#35544C;
    --c-accent:#C8542A;
    --c-accent-hover:#A8411F;
    --c-gold:#C3A265;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-line:#E5DFD3;
    --c-text:#2A2A26;
    --c-text-mute:#6B6A62;
    --c-dark-text:#F2EFE7;
    --c-dark-mute:#A9A79C;
    --radius-lg:20px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-card:0 1px 2px rgba(22,33,31,.05),0 1px 3px rgba(22,33,31,.04);
    --shadow-hover:0 8px 24px rgba(22,33,31,.10);
    --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.9;
    color:var(--c-text);
    background-color:var(--c-bg);
    background-image:repeating-linear-gradient(45deg,rgba(34,53,49,.022) 0 2px,transparent 2px 9px);
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button,input,select,textarea{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

  /* 顶部信息条 + 卡片化导航 */
  .site-header{position:sticky;top:0;z-index:40;background:var(--c-bg)}
  .topbar{background:var(--c-ink);color:var(--c-dark-mute);font-size:13px}
  .topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;line-height:32px}
  .nav-shell{padding-top:10px;padding-bottom:10px}
  .nav-card{
    display:flex;align-items:center;gap:20px;
    background:rgba(255,255,255,.96);
    border:1px solid var(--c-line);
    border-radius:var(--radius-lg);
    padding:12px 16px;
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled .nav-card{box-shadow:var(--shadow-card)}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;background:var(--c-primary);color:var(--c-gold);
    display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .brand-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.25;color:var(--c-primary)}
  .brand-sub{font-size:12px;font-weight:400;color:var(--c-text-mute);letter-spacing:.02em}
  .nav-links{display:flex;flex:1;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0}
  .nav-links a{
    position:relative;display:flex;align-items:center;gap:8px;
    padding:9px 12px;border-radius:12px;font-size:15px;color:var(--c-primary);
    transition:background .18s ease,color .18s ease;
  }
  .nav-links a svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .nav-links a:hover{background:rgba(34,53,49,.08)}
  .nav-links a:hover svg{stroke:var(--c-accent)}
  .nav-links a.is-active{background:rgba(34,53,49,.08)}
  .nav-links a.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent);
  }
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .nav-toggle{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    border:1px solid var(--c-line);border-radius:12px;background:#fff;color:var(--c-primary);cursor:pointer;
  }
  .nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
  .nav-drawer{display:none;margin-top:10px;padding:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
  .nav-drawer.is-open{display:block}
  .drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .drawer-grid a{
    display:flex;align-items:center;gap:8px;padding:12px;background:#fff;
    border:1px solid var(--c-line);border-radius:12px;font-size:14px;font-weight:600;color:var(--c-primary);
  }
  .drawer-grid a svg{width:20px;height:20px;fill:none;stroke:var(--c-accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
  .drawer-grid a.is-active{border-color:rgba(200,84,42,.45)}
  .nav-drawer .btn{width:100%;margin-top:12px}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:var(--radius-sm);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--c-accent);color:#fff}
  .btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);background:var(--c-accent-hover)}
  .btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}
  .btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
  .btn-outline:hover{background:rgba(34,53,49,.08)}
  .btn-ghost{background:transparent;color:var(--c-primary);height:auto;padding:0 4px}
  .btn-ghost .arrow{transition:transform .18s ease}
  .btn-ghost:hover .arrow{transform:translateX(2px)}

  /* 徽章 */
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1;font-weight:600}
  .badge-cat{background:#EDF1EE;color:#4E6B63}
  .badge-gold{background:#F5EFE1;color:#8A6B2E}
  .badge-lv1{background:#EDF1EE;color:#4E6B63}
  .badge-lv2{background:#E9F1EB;color:#2E6B4F}
  .badge-lv3{background:#FBEDE6;color:#C8542A}

  /* 面包屑 */
  .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:22px;font-size:13px;line-height:40px;color:var(--c-text-mute)}
  .breadcrumb a{color:var(--c-text-mute)}
  .breadcrumb a:hover{color:var(--c-accent)}
  .breadcrumb .sep{color:#BDB8AA}
  .breadcrumb .current{max-width:56%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#9A988F}

  /* 文章标题区 */
  .article-head{max-width:820px;margin-top:6px}
  .article-title{
    margin:0 0 16px;font-size:34px;line-height:1.35;font-weight:700;color:var(--c-primary);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:var(--c-text-mute)}
  .article-cover{
    max-width:820px;margin:28px 0 0;border-radius:var(--radius-lg);overflow:hidden;
    border:1px solid var(--c-line);background:#fff;aspect-ratio:16/9;
  }
  .article-cover img{width:100%;height:100%;object-fit:cover}

  /* 正文 + 侧栏 */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;margin-top:44px}
  .article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--c-text)}
  .article-body p{margin:0 0 1.1em}
  .article-body h2{
    margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--c-accent);
    font-size:26px;line-height:1.4;font-weight:600;color:var(--c-primary);
  }
  .article-body h2:first-child{margin-top:0}
  .article-body h3{margin:1.2em 0;font-size:20px;line-height:1.45;font-weight:600;color:var(--c-primary)}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
  .article-body li{margin:.4em 0;line-height:1.9}
  .article-body blockquote{
    margin:1.4em 0;padding:20px;background:#FBF8F1;
    border-left:3px solid var(--c-gold);border-radius:0 12px 12px 0;color:#3A3A34;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{margin:1.4em auto;border-radius:16px;max-width:100%;height:auto}
  .article-body figure{margin:1.4em 0}
  .article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
  .article-body a:hover{color:var(--c-accent)}
  .article-body strong{font-weight:700;color:var(--c-primary)}
  .article-body table{display:block;width:100%;margin:1.4em 0;border-collapse:collapse;overflow-x:auto;font-size:15px}
  .article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;white-space:nowrap}
  .article-body th{background:#F2EEE5;font-weight:600;color:var(--c-primary)}
  .article-body hr{margin:2em 0;border:0;border-top:1px solid var(--c-line)}

  .empty-state{
    display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;text-align:center;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-md);
  }
  .empty-state svg{width:40px;height:40px;fill:none;stroke:var(--c-primary-soft);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
  .empty-state h3{margin:0;font-size:20px;font-weight:600;color:var(--c-primary)}
  .empty-state p{margin:0;font-size:15px;color:var(--c-text-mute);line-height:1.8}

  .article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
  .side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-card)}
  .side-card h3{
    margin:0 0 12px;padding-left:10px;border-left:3px solid var(--c-gold);
    font-size:15px;font-weight:600;color:var(--c-primary);
  }
  .side-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
  .side-card li a{
    display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:10px;
    font-size:14px;line-height:1.7;color:var(--c-text-mute);
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .side-card li a:hover{background:var(--c-bg);color:var(--c-primary);border-left-color:var(--c-accent)}
  .side-note{margin:10px 0 0;font-size:13px;color:#8F8D84;line-height:1.7}

  /* 标签行 */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;max-width:760px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-line)}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
    background:#F1EDE3;color:#4E5A55;font-size:13px;transition:background .18s ease,color .18s ease;
  }
  .tag:hover{background:rgba(200,84,42,.10);color:var(--c-accent)}

  /* 相关推荐 */
  .related{margin-top:64px}
  .section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
  .section-head h2{margin:0;font-size:24px;font-weight:600;color:var(--c-primary)}
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .card{
    display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(34,53,49,.3)}
  .card-media{aspect-ratio:16/9;overflow:hidden;background:#EFEBE1}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 18px}
  .card-body h3{
    margin:0;font-size:17px;line-height:1.5;font-weight:600;color:var(--c-primary);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-sum{
    margin:0;font-size:14px;line-height:1.7;color:var(--c-text-mute);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:#8F8D84}
  .related-actions{margin-top:28px}

  /* 深色 CTA 条 */
  .cta-band{
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    margin-top:64px;padding:36px;background:var(--c-ink);
    border:1px solid rgba(195,162,101,.25);border-radius:var(--radius-lg);
  }
  .cta-band h2{margin:0 0 8px;font-size:24px;line-height:1.4;color:var(--c-dark-text)}
  .cta-band p{margin:0;font-size:15px;color:var(--c-dark-mute)}

  /* 页脚 */
  .site-footer{margin-top:80px;padding-top:56px;background:var(--c-ink);color:var(--c-dark-mute)}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;color:var(--c-dark-text)}
  .footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--c-gold)}
  .footer-about{margin:14px 0 0;font-size:14px;line-height:1.8}
  .footer-col h4{margin:0 0 14px;font-size:14px;font-weight:600;color:var(--c-gold)}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-col a,.footer-col span{font-size:14px;color:var(--c-dark-mute)}
  .footer-col a:hover{color:#fff;text-decoration:underline}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    margin-top:40px;padding:18px 0;border-top:1px solid rgba(195,162,101,.25);
    font-size:13px;color:#8C8A80;
  }

  @media (max-width:1199px){
    .article-layout{gap:40px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-actions .btn-primary{display:none}
    .nav-toggle{display:inline-flex}
    .brand-text{font-size:15px}
    .article-layout{grid-template-columns:minmax(0,1fr)}
    .article-side{position:static}
    .article-title{font-size:30px}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  }
  @media (max-width:767px){
    .container{padding:0 24px}
    .article-title{font-size:28px}
    .article-body h2{font-size:22px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
    .cta-band{padding:28px}
    .cta-band h2{font-size:22px}
  }
  @media (max-width:639px){
    .container{padding:0 20px}
    .topbar .container{flex-direction:column;align-items:flex-start;gap:0;padding-top:6px;padding-bottom:6px}
    .topbar{line-height:1.7}
    .nav-card{gap:12px;padding:10px 12px}
    .brand-text{font-size:14px}
    .drawer-grid{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .article-meta{gap:10px;font-size:13px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }
  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{transition:none !important;animation:none !important}
    .card:hover,.btn-primary:hover{transform:none}
  }

/* roulang page: category1 */
:root{
  --c-ink:#16211F;
  --c-primary:#223531;
  --c-primary-soft:#35544C;
  --c-accent:#C8542A;
  --c-accent-hover:#A8411F;
  --c-gold:#C3A265;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E5DFD3;
  --c-text:#2A2A26;
  --c-text-mute:#6B6A62;
  --c-dark-text:#F2EFE7;
  --c-dark-mute:#A9A79C;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-card:0 1px 2px rgba(22,33,31,.05), 0 1px 3px rgba(22,33,31,.04);
  --sh-lift:0 8px 24px rgba(22,33,31,.10);
  --w-container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:repeating-linear-gradient(135deg,rgba(34,53,49,.028) 0 1px,transparent 1px 9px);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-ink);color:var(--c-dark-mute);font-size:13px;line-height:32px;}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:40;}
.nav-shell{padding-top:12px;padding-bottom:12px;}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:12px 16px;
  transition:box-shadow .2s ease, padding .2s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-card);padding:8px 16px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:290px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:rgba(34,53,49,.08);color:var(--c-accent);
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-primary);line-height:1.3;letter-spacing:.2px;}
.brand-sub{display:block;font-size:12px;font-weight:400;color:var(--c-text-mute);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links li{list-style:none;}
.nav-links a{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-primary);position:relative;
  transition:background-color .18s ease,color .18s ease;
}
.nav-links a svg{color:var(--c-primary-soft);transition:color .18s ease;}
.nav-links a:hover{background:rgba(34,53,49,.08);}
.nav-links a:hover svg{color:var(--c-accent);}
.nav-links a.is-active{background:rgba(34,53,49,.08);font-weight:600;}
.nav-links a.is-active svg{color:var(--c-accent);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface);color:var(--c-primary);
}
.nav-drawer{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--c-line);color:var(--c-primary);}
.btn-outline:hover{background:rgba(34,53,49,.08);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 6px;height:40px;}
.btn-ghost svg{transition:transform .18s ease;}
.btn-ghost:hover svg{transform:translateX(2px);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--c-ink);overflow:hidden;}
.cat-hero-media{position:absolute;inset:0;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.cat-hero::after{content:"";position:absolute;inset:0;background:rgba(22,33,31,.55);}
.cat-hero-inner{
  position:relative;z-index:2;
  min-height:300px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:56px 0;
}
.hero-copy{max-width:660px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;color:var(--c-gold);
  border:1px solid rgba(195,162,101,.4);border-radius:999px;padding:4px 14px;margin-bottom:18px;
}
.hero-title{font-size:38px;line-height:1.25;font-weight:700;color:#fff;letter-spacing:.5px;}
.hero-lead{margin-top:14px;font-size:16px;color:var(--c-dark-text);max-width:560px;line-height:1.85;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-actions .btn-outline{border-color:rgba(242,239,231,.45);color:#fff;}
.hero-actions .btn-outline:hover{background:rgba(242,239,231,.14);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--c-text-mute);line-height:40px;}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{margin:0 8px;color:#B9B3A6;}
.crumb .current{color:var(--c-text-mute);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;margin-top:28px;
}
.stat-cell{padding:24px 20px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:none;}
.stat-num{font-size:28px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.stat-label{font-size:14px;color:var(--c-text-mute);margin-top:4px;}

/* ---------- 主体：锚点长文 ---------- */
.anchor-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;padding:72px 0 88px;}
.anchor-nav{position:sticky;top:104px;align-self:start;}
.anchor-nav-title{font-size:13px;color:var(--c-text-mute);letter-spacing:1px;margin-bottom:12px;}
.anchor-link{
  display:block;padding:11px 0 11px 14px;font-size:14.5px;color:var(--c-text-mute);
  border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.anchor-link:hover{color:var(--c-primary);background:rgba(34,53,49,.05);}
.anchor-link.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent);}
.anchor-aside-note{
  margin-top:22px;padding:16px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:var(--c-surface);font-size:13.5px;color:var(--c-text-mute);line-height:1.8;
}

.read-col{max-width:780px;}
.article-block{margin-bottom:56px;scroll-margin-top:120px;}
.article-block:last-of-type{margin-bottom:0;}
.article-block h2{
  font-size:28px;line-height:1.35;font-weight:600;color:var(--c-primary);
  padding-left:14px;border-left:4px solid var(--c-accent);margin-bottom:18px;
}
.article-block h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-primary);margin:26px 0 10px;}
.article-block p{font-size:16px;line-height:1.9;color:var(--c-text);margin-bottom:17px;}
.article-block p:last-child{margin-bottom:0;}
.key{font-weight:600;color:var(--c-accent);}
.figure-block{
  margin:24px 0 26px;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;background:var(--c-surface);box-shadow:var(--sh-card);
}
.figure-block img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-caption{padding:10px 16px;font-size:13px;color:var(--c-text-mute);border-top:1px solid var(--c-line);}
.mini-list{margin:16px 0 20px;display:grid;gap:10px;}
.mini-list li{
  position:relative;padding-left:26px;font-size:15.5px;line-height:1.8;color:var(--c-text);
}
.mini-list li::before{
  content:"";position:absolute;left:8px;top:14px;width:6px;height:6px;border-radius:50%;
  background:var(--c-gold);
}
.note-box{
  border-left:3px solid var(--c-gold);background:#FBF8F1;border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 20px;font-size:15px;line-height:1.9;color:var(--c-text-mute);
}

/* ---------- 等级速览 ---------- */
.level-strip{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{font-size:28px;line-height:1.35;font-weight:600;color:var(--c-primary);}
.section-desc{font-size:15px;color:var(--c-text-mute);max-width:520px;margin-top:8px;}
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.level-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);border-color:rgba(34,53,49,.3);}
.level-card.is-tall{padding-bottom:34px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:24px;font-weight:600;
}
.badge-lv1{background:#EDF1EE;color:#4E6B63;}
.badge-lv2{background:#E9F1EB;color:#2E6B4F;}
.badge-lv3{background:#FBEDE6;color:#C8542A;}
.badge-soft{background:#F4EFE2;color:#8A6F35;}
.level-num{font-size:30px;font-weight:300;color:var(--c-gold);letter-spacing:2px;line-height:1;margin-bottom:12px;}
.level-card h3{font-size:19px;font-weight:600;color:var(--c-primary);margin:14px 0 12px;}
.level-card ul{display:grid;gap:8px;}
.level-card li{font-size:14.5px;color:var(--c-text-mute);line-height:1.75;padding-left:18px;position:relative;}
.level-card li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:1.5px;background:var(--c-primary-soft);}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0;}
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-question{
  width:100%;background:transparent;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px;font-size:16px;font-weight:600;color:var(--c-primary);
}
.faq-question:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px;}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;transition:transform .2s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary-soft);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-answer{padding:0 4px 20px;font-size:15.5px;line-height:1.9;color:var(--c-text-mute);display:none;}
.faq-item.is-open .faq-answer{display:block;}

/* ---------- 短版 CTA ---------- */
.cta-band{background:var(--c-ink);border-top:1px solid rgba(195,162,101,.25);border-bottom:1px solid rgba(195,162,101,.25);}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 0;
}
.cta-band h2{font-size:24px;line-height:1.4;font-weight:600;color:#fff;}
.cta-band p{font-size:14.5px;color:var(--c-dark-mute);margin-top:8px;max-width:620px;}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:rgba(242,239,231,.4);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(242,239,231,.14);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-dark-mute);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--c-dark-text);font-size:16px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(195,162,101,.14);}
.footer-about{margin-top:14px;line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--c-gold);font-weight:600;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--c-dark-mute);transition:color .18s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col span{color:var(--c-dark-mute);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(195,162,101,.25);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFEBE2;}
::-webkit-scrollbar-thumb{background:#C6BFB0;border-radius:6px;border:2px solid #EFEBE2;}
::-webkit-scrollbar-thumb:hover{background:#A9A192;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer{
    display:none;
    margin-top:12px;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:16px;
  }
  .nav-drawer.is-open{display:block;}
  .drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .drawer-grid a{
    display:flex;align-items:center;gap:8px;min-height:52px;padding:10px 14px;
    background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-sm);
    font-size:14.5px;color:var(--c-primary);
  }
  .drawer-grid a svg{color:var(--c-primary-soft);}
  .drawer-grid a.is-active{font-weight:600;border-color:rgba(200,84,42,.5);color:var(--c-accent);}
  .drawer-grid a.is-active svg{color:var(--c-accent);}
  .drawer-cta{margin-top:14px;}
  .hero-title{font-size:32px;}
  .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:26px;padding:48px 0;}
  .anchor-layout{grid-template-columns:1fr;gap:24px;padding:56px 0 72px;}
  .anchor-nav{position:static;top:auto;}
  .anchor-nav-title{display:none;}
  .anchor-nav-track{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
  .anchor-link{
    flex:0 0 auto;border-left:none;border:1px solid var(--c-line);border-radius:999px;
    padding:9px 16px;font-size:13.5px;background:var(--c-surface);white-space:nowrap;
  }
  .anchor-link.is-current{border-color:var(--c-accent);background:rgba(200,84,42,.08);}
  .anchor-aside-note{display:none;}
  .level-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .topbar .container{justify-content:flex-start;gap:6px;}
  .brand{max-width:200px;}
  .brand-text{font-size:15.5px;}
  .brand-sub{font-size:11.5px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-cell{border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .stat-cell:nth-child(2n){border-right:none;}
  .stat-cell:nth-last-child(-n+2){border-bottom:none;}
  .hero-title{font-size:28px;}
  .article-block h2{font-size:22px;}
  .level-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .cta-band-inner{padding:36px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .drawer-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:none;}
  .stat-cell:nth-last-child(-n+2){border-bottom:1px solid var(--c-line);}
  .stat-cell:last-child{border-bottom:none;}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{width:100%;}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  .level-card:hover{transform:none;}
  .btn-primary:hover{transform:none;}
  .btn-ghost:hover svg{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-ink:#16211F;
  --c-primary:#223531;
  --c-primary-soft:#35544C;
  --c-accent:#C8542A;
  --c-accent-hover:#A8411F;
  --c-gold:#C3A265;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E5DFD3;
  --c-text:#2A2A26;
  --c-text-mute:#6B6A62;
  --c-dark-text:#F2EFE7;
  --c-dark-mute:#A9A79C;
  --lvl1:#4E6B63; --lvl1-bg:#EDF1EE;
  --lvl2:#2E6B4F; --lvl2-bg:#E9F1EB;
  --lvl3:#C8542A; --lvl3-bg:#FBEDE6;
  --r-lg:20px; --r-card:16px; --r-ctl:12px;
  --sh-card:0 1px 2px rgba(22,33,31,.05), 0 1px 3px rgba(22,33,31,.04);
  --sh-hover:0 8px 24px rgba(22,33,31,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  background-image:repeating-linear-gradient(135deg, rgba(22,33,31,.028) 0 2px, transparent 2px 14px);
}
img{max-width:100%;display:block;border-radius:var(--r-card);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-primary);font-weight:600;letter-spacing:.2px;}
h1{font-size:40px;line-height:1.25;font-weight:700;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--c-text-mute);font-size:15px;margin-top:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--c-accent);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);display:block;}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:40;}
.topbar{background:var(--c-ink);color:var(--c-dark-mute);font-size:13px;line-height:32px;}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.nav-shell{padding-top:14px;padding-bottom:14px;}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:12px 16px;
  box-shadow:none;
  transition:box-shadow .22s ease,padding .22s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-card);padding:8px 16px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--c-primary);color:var(--c-gold);
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--c-primary);
  line-height:1.3;display:flex;flex-direction:column;
}
.brand-sub{font-size:11px;font-weight:400;color:var(--c-text-mute);letter-spacing:1px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r-ctl);
  font-size:14px;color:var(--c-primary);
  position:relative;
}
.nav-links a svg{color:var(--c-primary-soft);transition:color .18s ease;}
.nav-links a:hover{background:rgba(34,53,49,.08);}
.nav-links a:hover svg{color:var(--c-accent);}
.nav-links a.is-active{background:rgba(34,53,49,.08);font-weight:600;}
.nav-links a.is-active svg{color:var(--c-accent);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-ctl);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;}
.nav-drawer{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-ctl);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:#93381a;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:rgba(34,53,49,.08);transform:translateY(-1px);}
.btn-ghost{background:transparent;border:none;color:var(--c-primary);padding:0 4px;height:auto;}
.btn-ghost .arrow{transition:transform .18s ease;}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;letter-spacing:.4px;
}
.badge-cat{background:var(--lvl1-bg);color:var(--lvl1);}
.badge-gold{background:#F5EFE1;color:#8A6E2F;}
.badge-l1{background:var(--lvl1-bg);color:var(--lvl1);}
.badge-l2{background:var(--lvl2-bg);color:var(--lvl2);}
.badge-l3{background:var(--lvl3-bg);color:var(--lvl3);}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:13px;line-height:40px;color:var(--c-text-mute);}
.breadcrumb a{color:var(--c-primary-soft);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{margin:0 8px;color:var(--c-line);}
.breadcrumb .current{color:var(--c-text-mute);}

/* ---------- hero (浅底 + 右侧图) ---------- */
.hero-c2{padding:56px 0 40px;}
.hero-c2-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-c2 h1{margin-bottom:18px;}
.hero-c2 .lede{font-size:17px;color:var(--c-text-mute);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-media{position:relative;}
.hero-media .frame{
  aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.hero-media img{width:100%;height:100%;border-radius:0;}
.hero-note{
  position:absolute;left:-18px;bottom:-18px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--sh-card);
  display:flex;flex-direction:column;gap:6px;max-width:230px;
}
.hero-note strong{font-size:14px;color:var(--c-primary);}
.hero-note span{font-size:12px;color:var(--c-text-mute);line-height:1.6;}

/* ---------- filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;}
.filter-chip{
  height:40px;padding:0 18px;border-radius:999px;cursor:pointer;
  background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-primary);font-size:14px;display:inline-flex;align-items:center;
  transition:all .18s ease;
}
.filter-chip:hover{border-color:var(--c-primary);}
.filter-chip[aria-selected="true"]{
  background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600;
}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh-card);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:rgba(34,53,49,.3);
}
.feature-card .icon-box{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--lvl1-bg);color:var(--c-primary-soft);
}
.feature-card h3{margin:0;}
.feature-card p{color:var(--c-text-mute);font-size:15px;margin:0;}
.feature-card .card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-accent);}
.feature-card .card-foot .arrow{transition:transform .18s ease;}
.feature-card:hover .card-foot .arrow{transform:translateX(3px);}
.feature-card.tall{padding-bottom:38px;}
.feature-card.tall .card-media{
  aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);
}
.feature-card.tall .card-media img{width:100%;height:100%;border-radius:0;}
.feature-card.compact{padding:22px 26px;}
.badges-row{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);
  position:relative;
}
.step .num{
  font-size:32px;font-weight:300;color:var(--c-gold);line-height:1;
  display:block;margin-bottom:14px;letter-spacing:1px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-mute);margin:0;}

/* ---------- dark band ---------- */
.dark-band{
  background:var(--c-ink);color:var(--c-dark-text);
  border-radius:var(--r-lg);padding:56px;
  box-shadow:inset 0 0 0 1px rgba(195,162,101,.25);
}
.dark-band h2{color:var(--c-dark-text);}
.dark-band p{color:var(--c-dark-mute);}
.dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.dark-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid rgba(195,162,101,.25);
  font-size:15px;color:var(--c-dark-text);
}
.dark-list li:last-child{border-bottom:none;}
.dark-list svg{color:var(--c-gold);flex:0 0 20px;margin-top:4px;}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.stat{padding:26px 24px;text-align:left;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:none;}
.stat strong{display:block;font-size:28px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.stat span{font-size:14px;color:var(--c-text-mute);}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-primary);
}
.faq-q .pm{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  border:1px solid var(--c-line);display:grid;place-items:center;
  color:var(--c-accent);transition:transform .22s ease;
}
.faq-q[aria-expanded="true"] .pm{transform:rotate(180deg);}
.faq-a{display:none;background:var(--c-bg);border-radius:12px;padding:20px;margin-bottom:16px;font-size:15px;color:var(--c-text-mute);}
.faq-a.open{display:block;}

/* ---------- narrow CTA ---------- */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-lg);
  padding:36px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:inset 0 0 0 1px rgba(195,162,101,.25);
}
.cta-band h2{color:var(--c-dark-text);font-size:24px;margin-bottom:6px;}
.cta-band p{color:var(--c-dark-mute);font-size:14px;margin:0;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-light{background:var(--c-accent);color:#fff;}
.btn-light:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;border:1px solid rgba(242,239,231,.4);color:var(--c-dark-text);}
.btn-ghost-light:hover{border-color:var(--c-gold);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:var(--c-dark-mute);margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:var(--c-dark-text);font-size:17px;font-weight:700;line-height:1.4;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--c-gold);}
.footer-about{font-size:14px;line-height:1.9;color:var(--c-dark-mute);max-width:320px;margin:0;}
.footer-col h4{font-size:14px;color:var(--c-gold);margin-bottom:16px;font-weight:600;letter-spacing:.6px;}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.footer-col a{color:var(--c-dark-mute);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(195,162,101,.25);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-dark-mute);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-card{gap:12px;}
  .nav-drawer{
    display:none;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-lg);margin-top:12px;padding:18px;
    box-shadow:var(--sh-card);
  }
  .nav-drawer.open{display:block;}
  .drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:16px;}
  .drawer-grid a{
    display:flex;align-items:center;gap:10px;padding:14px;
    border-radius:var(--r-ctl);border:1px solid var(--c-line);
    font-size:14px;color:var(--c-primary);min-height:44px;
  }
  .drawer-grid a.is-active{background:rgba(34,53,49,.08);font-weight:600;border-color:rgba(34,53,49,.24);}
  .drawer-grid a svg{color:var(--c-accent);flex:0 0 20px;}
  .drawer-cta .btn{width:100%;}
  .hero-c2-grid{grid-template-columns:1fr;gap:32px;}
  .hero-note{position:static;left:auto;bottom:auto;margin-top:16px;max-width:none;flex-direction:row;align-items:center;gap:12px;justify-content:space-between;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .dark-grid{grid-template-columns:1fr;gap:24px;}
  .dark-band{padding:36px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media (max-width:768px){
  .card-grid{grid-template-columns:1fr;}
  .topbar .container{justify-content:center;text-align:center;font-size:12px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .brand-text{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;}
  .filter-chip{flex:0 0 auto;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:1px solid var(--c-line);}
  .stat:last-child{border-bottom:none;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-card{padding:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .feature-card:hover,.btn:hover{transform:none !important;}
}