/* roulang page: index */
:root{
  --ink:#1E2521;
  --ink-2:#5B6660;
  --brand:#0F5A4B;
  --brand-deep:#0A3F35;
  --accent:#C08A3E;
  --cta:#B4462C;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --line:#DED6C6;
  --line-soft:#EBE4D6;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --r-card:14px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(30,37,33,.05);
  --shadow-2:0 10px 26px rgba(15,90,75,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p{margin:0}
h1,h2,h3,h4{margin:0}
:focus-visible{outline:2px solid var(--cta);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;padding-top:16px}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 12px 10px 14px;
  box-shadow:var(--shadow-1);
}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:11px;font-weight:700;letter-spacing:.08em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;letter-spacing:.04em;font-weight:700}
.logo-text span{font-size:11px;color:var(--ink-2);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;letter-spacing:.04em;
  color:var(--ink-2);transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(15,90,75,.06)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:8px;flex:none}
.burger{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;color:var(--brand);
}
.burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-panel{
  display:none;margin-top:12px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-2);padding:8px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink);transition:background .2s ease,color .2s ease;
}
.mobile-panel a:hover,.mobile-panel a:focus{background:rgba(15,90,75,.06);color:var(--brand)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.04em;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 20px rgba(180,70,44,.22)}
.btn-primary:hover{background:#9d3a24;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(15,90,75,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-deep);border-color:rgba(255,255,255,.7)}
.btn-light:hover{background:#F3EFE5}
.btn-sm{min-height:40px;padding:0 18px;font-size:13px}

/* 状态条 */
.status-bar{margin-top:18px}
.status-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);
  padding:8px 18px;font-size:13px;color:var(--ink-2);letter-spacing:.03em;
}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-right:8px}

/* Hero */
.hero{position:relative;padding:56px 0 24px;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-120px;top:-60px;width:420px;height:420px;
  border:1px solid rgba(15,90,75,.1);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  border:1px solid var(--accent);background:rgba(192,138,62,.08);
  font-size:12px;letter-spacing:.12em;color:#8a6224;font-weight:600;
}
.hero-title{
  font-family:var(--serif);font-weight:700;font-size:48px;line-height:1.25;
  letter-spacing:.02em;margin-top:20px;
}
.hero-title em{font-style:normal;color:var(--brand)}
.lead{margin-top:18px;max-width:560px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;font-size:13px;color:var(--ink-2);letter-spacing:.03em}
.hero-meta span{padding-left:16px;border-left:1px solid var(--line)}
.hero-meta span:first-child{padding-left:0;border-left:0}
.hero-visual{position:relative}
.hero-img{width:100%;height:400px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow-2)}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:rgba(15,90,75,.12);pointer-events:none;
}
.hero-note{
  position:absolute;left:16px;bottom:16px;z-index:2;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px 18px;box-shadow:var(--shadow-2);
}
.hero-note strong{display:block;font-size:15px;letter-spacing:.02em}
.hero-note span{font-size:12px;color:var(--ink-2)}

/* 板块通用 */
.section{padding:76px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{
  font-family:var(--serif);font-size:30px;font-weight:700;line-height:1.35;letter-spacing:.02em;
}
.sec-title::before{
  content:"";display:inline-block;width:24px;height:2px;background:var(--accent);
  vertical-align:middle;margin-right:14px;
}
.sec-desc{margin-top:12px;max-width:620px;font-size:15px;color:var(--ink-2);line-height:1.85}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  min-height:44px;transition:color .2s ease;
}
.arrow-link:hover{color:var(--cta)}

/* 目录 */
.toc-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.toc-item{
  display:grid;grid-template-columns:44px 1fr 20px;align-items:center;gap:14px;
  padding:18px 6px;border-bottom:1px dashed var(--line-soft);transition:background .2s ease,padding .2s ease;
}
.toc-item:hover{background:rgba(15,90,75,.04);padding-left:12px}
.toc-num{font-size:15px;font-weight:700;letter-spacing:.08em;color:var(--accent);transition:color .2s ease}
.toc-item:hover .toc-num{color:var(--brand)}
.toc-name{font-size:17px;font-weight:600;letter-spacing:.02em}
.toc-sub{font-size:13px;color:var(--ink-2);margin-top:2px}
.toc-arrow{color:var(--brand);opacity:0;transform:translateX(-6px);transition:opacity .2s ease,transform .2s ease}
.toc-item:hover .toc-arrow{opacity:1;transform:none}

/* 精选卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.card-lg{grid-column:span 6;flex-direction:row}
.card-lg .card-media{width:44%;flex:none}
.card-lg .card-media img{width:100%;height:100%;min-height:260px;object-fit:cover}
.card-lg .card-body{padding:30px}
.card-tall{grid-column:span 3}
.card-tall img{width:100%;height:190px;object-fit:cover}
.card-row{grid-column:span 2;flex-direction:row;align-items:center;gap:14px;padding:14px}
.card-row img{width:88px;height:74px;object-fit:cover;border-radius:10px;flex:none}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:18px;font-weight:600;line-height:1.55}
.card p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(15,90,75,.08);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:transparent;border:1px solid var(--accent);color:#8a6224}

/* 最新信息 */
.list-meta{font-size:13px;color:var(--ink-2);margin-bottom:16px;letter-spacing:.04em}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-row{
  display:grid;grid-template-columns:96px 1fr 156px;gap:18px;align-items:center;
  padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-row:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.news-thumb{
  width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--line-soft);
  display:grid;place-items:center;color:var(--brand);font-size:11px;font-weight:700;letter-spacing:.08em;
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-title{
  font-size:17px;font-weight:600;line-height:1.6;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.news-sum{
  margin-top:4px;font-size:14px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px;color:var(--ink-2)}
.empty{
  padding:44px 24px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;text-align:center;color:var(--ink-2);font-size:15px;
}
.empty a{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.step{padding:0 30px;border-left:1px solid var(--line)}
.step:first-child{border-left:0;padding-left:0}
.step-num{font-family:var(--serif);font-size:42px;line-height:1;color:var(--accent);font-weight:700}
.step h3{font-size:20px;font-weight:600;margin-top:16px}
.step p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* 推荐横向条 */
.rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-item{
  flex:0 0 268px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.rail-item img{width:100%;height:146px;object-fit:cover}
.rail-body{padding:16px}
.rail-body h3{
  font-size:16px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-body .badge{margin-top:12px}

/* CTA 区块 */
.cta-block{
  position:relative;overflow:hidden;background:var(--brand-deep);color:#F3EFE5;
  border-radius:20px;padding:42px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
}
.cta-block h3{font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:.02em}
.cta-block p{margin-top:10px;font-size:15px;color:rgba(243,239,229,.8);line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-actions .btn-accent{background:var(--accent);color:#2A1C08}
.cta-actions .btn-accent:hover{background:#ab7730}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--shadow-1)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--ink-2);letter-spacing:.04em}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-family:var(--sans);font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:130px;resize:vertical;line-height:1.8}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,90,75,.12);
}
.full{grid-column:span 2}
.form-tip{margin-top:14px;font-size:13px;color:var(--ink-2)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:rgba(15,90,75,.4)}
.faq-q{
  width:100%;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;transition:color .2s ease;
}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q .ic{flex:none;font-size:20px;line-height:1;color:var(--brand);transition:transform .2s ease}
.faq-q[aria-expanded="true"] .ic{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-a.open{display:block}

/* 页脚 */
.footer{margin-top:76px;background:var(--brand-deep);color:#EFEADF;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.14)}
.footer-brand b{font-size:16px;letter-spacing:.04em;color:#fff}
.footer p.footer-desc{font-size:14px;line-height:1.9;color:rgba(239,234,223,.72);max-width:320px}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#fff;margin-bottom:14px}
.footer a{display:block;padding:6px 0;font-size:14px;color:rgba(239,234,223,.76);transition:color .2s ease}
.footer a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(239,234,223,.66);
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .fb-links a{display:inline-block;padding:0}

/* 响应式 */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-img{height:300px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .card-lg{grid-column:span 2;flex-direction:column}
  .card-lg .card-media{width:100%}
  .card-lg .card-media img{min-height:220px}
  .card-tall{grid-column:span 1}
  .card-row{grid-column:span 2}
  .toc-grid{grid-template-columns:1fr;gap:0}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--line);padding:24px 0 0;margin-top:24px}
  .step:first-child{border-top:0;margin-top:0;padding-top:0}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-block{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .nav-links,.nav-actions .btn{display:none}
  .burger{display:inline-flex}
  .nav-shell{border-radius:999px}
  .section{padding:56px 0}
  .sec-title{font-size:24px}
  .hero{padding-top:36px}
  .hero-title{font-size:32px}
}
@media (max-width:520px){
  .wrap{padding:0 20px}
  .hero-title{font-size:29px}
  .hero-img{height:230px}
  .feature-grid{grid-template-columns:1fr}
  .card-lg,.card-tall,.card-row{grid-column:span 1}
  .card-row{flex-direction:column;align-items:stretch}
  .card-row img{width:100%;height:150px}
  .news-row{grid-template-columns:72px 1fr;gap:14px}
  .news-thumb{width:72px;height:64px}
  .news-meta{display:none}
  .contact-grid{grid-template-columns:1fr}
  .full{grid-column:span 1}
  .cta-block{padding:28px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px}
}

/* roulang page: article */
:root{
  --ink:#1E2521;
  --ink-2:#5B6660;
  --brand:#0F5A4B;
  --brand-deep:#0A3F35;
  --accent:#C08A3E;
  --cta:#B4462C;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --line:#DED6C6;
  --line-soft:#EBE4D6;
  --radius:14px;
  --radius-lg:20px;
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
  --shadow-1:0 1px 2px rgba(30,37,33,.05);
  --shadow-2:0 10px 26px rgba(15,90,75,.12);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--cta);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}

/* ------- 顶部悬浮胶囊导航 ------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 10px;
  background:linear-gradient(to bottom,rgba(246,242,233,.96) 30%,rgba(246,242,233,0));
}
.nav-pill{
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px 10px 12px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.nav-pill:hover{box-shadow:var(--shadow-2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:2px 6px 2px 2px;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  flex:0 0 auto;
}
.brand-text{
  font-family:var(--serif);font-weight:700;font-size:18px;
  letter-spacing:.06em;color:var(--ink);white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  font-size:15px;font-weight:500;letter-spacing:.04em;
  color:var(--ink-2);border-radius:999px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:7px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(15,90,75,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;margin-left:8px;
  background:var(--cta);color:#fff;
  font-size:14px;font-weight:600;letter-spacing:.04em;
  border-radius:999px;
  transition:background-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:#9d3923;box-shadow:0 8px 18px rgba(180,70,44,.22);}
.nav-cta:active{transform:translateY(1px);}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  margin-left:auto;
  transition:border-color .2s ease,background-color .2s ease;
}
.menu-btn:hover{border-color:var(--brand);background:rgba(15,90,75,.05);}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;transition:background-color .2s ease;}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}
.menu-btn[aria-expanded="true"] span{background:transparent;}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;
  margin-top:10px;
  background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-2);
  padding:8px;overflow:hidden;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;
  padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a:hover{background:rgba(15,90,75,.06);color:var(--brand);}
.mobile-panel .m-cta{
  margin-top:8px;justify-content:center;
  background:var(--cta);color:#fff;font-weight:600;
  border-bottom:0;
}
.mobile-panel .m-cta:hover{background:#9d3923;color:#fff;}

/* ------- 面包屑 ------- */
.crumbs{padding:26px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);letter-spacing:.03em;}
.crumb-list a{color:var(--ink-2);transition:color .2s ease;}
.crumb-list a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.crumb-sep{color:var(--line);}
.crumb-current{color:var(--ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ------- 文章头 ------- */
.article-head{padding:22px 0 0;}
.article-head-inner{max-width:820px;}
.article-title{
  font-family:var(--serif);font-weight:700;
  font-size:44px;line-height:1.28;letter-spacing:.02em;
  margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--ink-2);letter-spacing:.03em;}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:999px;
  background:rgba(15,90,75,.08);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-line{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:999px;
  border:1px solid rgba(192,138,62,.55);color:#8C6425;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.head-rule{margin:26px 0 0;height:1px;background:var(--line);border:0;}

/* ------- 正文布局 ------- */
.article-main{padding:44px 0 72px;}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:34px;}
.toc-side{display:none;}
.toc-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-2);margin:0 0 12px;}
.toc-side ul{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.toc-side li a{
  display:block;padding:6px 0 6px 14px;margin-left:-1px;
  font-size:13px;line-height:1.6;color:var(--ink-2);
  border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.toc-side li a:hover,.toc-side li a.is-current{color:var(--brand);border-left-color:var(--accent);}
.toc-mobile{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;margin-bottom:22px;box-shadow:var(--shadow-1);
}
.toc-mobile summary{
  list-style:none;cursor:pointer;
  font-size:14px;font-weight:600;letter-spacing:.05em;color:var(--brand);
  display:flex;align-items:center;justify-content:space-between;min-height:28px;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"＋";font-size:15px;color:var(--accent);}
.toc-mobile[open] summary::after{content:"－";}
.toc-mobile ul{margin-top:10px;border-top:1px solid var(--line-soft);padding-top:8px;}
.toc-mobile ul li a{display:block;padding:7px 0;font-size:14px;color:var(--ink-2);}
.toc-mobile ul li a:hover{color:var(--brand);}

.article-body{font-size:17px;line-height:1.9;color:var(--ink);max-width:760px;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-family:var(--serif);font-weight:700;
  font-size:28px;line-height:1.4;letter-spacing:.02em;
  margin:2.1em 0 .8em;padding-top:16px;scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;top:0;left:0;width:24px;height:2px;background:var(--accent);border-radius:2px;
}
.article-body h3{
  font-family:var(--serif);font-weight:700;
  font-size:21px;line-height:1.5;
  margin:1.8em 0 .6em;scroll-margin-top:110px;
}
.article-body h4{font-size:18px;font-weight:600;margin:1.5em 0 .5em;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
.article-body a:hover{color:var(--cta);}
.article-body strong{font-weight:700;color:var(--brand-deep);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px;}
.article-body ul{list-style:none;padding-left:22px;}
.article-body ul li{position:relative;margin:0 0 .6em;}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.article-body ol{list-style:decimal;color:var(--ink);}
.article-body ol li{margin:0 0 .6em;padding-left:4px;}
.article-body ol li::marker{color:var(--accent);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--brand);
  background:#FBF8F1;border-radius:0 12px 12px 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:1.6em auto;border-radius:12px;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line-soft);padding:10px 12px;text-align:left;}
.article-body th{background:#FBF8F1;font-weight:600;color:var(--brand-deep);}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}
.article-body code{background:#F1ECE1;padding:2px 6px;border-radius:6px;font-size:14px;}

/* ------- 空态 ------- */
.article-empty{
  max-width:760px;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:#fff;
  padding:44px 28px;
  text-align:center;
}
.article-empty .empty-title{
  font-family:var(--serif);font-size:22px;font-weight:700;margin:0 0 10px;
}
.article-empty p{color:var(--ink-2);font-size:15px;margin:0 0 20px;}

/* ------- 文末操作条 ------- */
.article-actions{
  max-width:760px;margin-top:40px;padding-top:24px;
  border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.04em;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--cta);color:#fff;}
.btn-primary:hover{background:#9d3923;box-shadow:0 8px 18px rgba(180,70,44,.2);}
.btn-ghost{background:#fff;border:1px solid var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(15,90,75,.07);}
.btn-quiet{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
.btn-quiet:hover{border-color:var(--brand);color:var(--brand);}
.copy-tip{font-size:13px;color:var(--brand);opacity:0;transition:opacity .2s ease;letter-spacing:.04em;}
.copy-tip.is-on{opacity:1;}

/* ------- 相关推荐 ------- */
.related{padding:8px 0 64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.section-title{
  font-family:var(--serif);font-weight:700;font-size:28px;line-height:1.35;letter-spacing:.02em;
  margin:0;position:relative;padding-top:14px;
}
.section-title::before{
  content:"";position:absolute;top:0;left:0;width:24px;height:2px;background:var(--accent);border-radius:2px;
}
.section-sub{font-size:14px;color:var(--ink-2);margin:6px 0 0;letter-spacing:.03em;}
.section-more{font-size:14px;font-weight:600;color:var(--brand);letter-spacing:.04em;white-space:nowrap;transition:color .2s ease;}
.section-more:hover{color:var(--cta);text-decoration:underline;text-underline-offset:4px;}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{
  display:grid;grid-template-columns:112px minmax(0,1fr) auto;
  gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.rel-thumb{width:112px;height:80px;border-radius:10px;object-fit:cover;}
.rel-body{min-width:0;}
.rel-title{
  font-size:18px;font-weight:600;line-height:1.5;margin:0 0 6px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-item:hover .rel-title{color:var(--brand);}
.rel-desc{
  font-size:14px;color:var(--ink-2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px;color:var(--ink-2);white-space:nowrap;}
.rel-arrow{font-size:13px;font-weight:600;color:var(--brand);}

/* ------- 返回入口 ------- */
.back-block{padding:0 0 80px;}
.back-inner{
  max-width:760px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.back-inner h2{
  font-family:var(--serif);font-size:24px;font-weight:700;margin:0 0 8px;letter-spacing:.02em;
}
.back-inner p{font-size:15px;color:var(--ink-2);margin:0 0 22px;}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ------- 页脚 ------- */
.footer{background:var(--brand-deep);color:#EDE7DA;padding:64px 0 28px;margin-top:8px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;
}
.footer-grid > div + div{border-left:1px solid rgba(255,255,255,.06);padding-left:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:8px;font-size:11px;}
.footer-brand b{font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.04em;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(237,231,218,.72);margin:0;max-width:34ch;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--accent);margin:0 0 14px;}
.footer-grid a{
  display:block;font-size:14px;line-height:1.7;color:rgba(237,231,218,.8);
  padding:5px 0;transition:color .2s ease,text-decoration-color .2s ease;
  text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;
}
.footer-grid a:hover{color:var(--accent);text-decoration-color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
  font-size:13px;color:rgba(237,231,218,.6);letter-spacing:.03em;
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:rgba(237,231,218,.6);transition:color .2s ease;}
.fb-links a:hover{color:var(--accent);}

/* ------- 响应式 ------- */
@media (min-width:640px){
  .mobile-panel{display:none !important;}
}
@media (min-width:1280px){
  .article-shell{grid-template-columns:200px minmax(0,760px);justify-content:center;gap:52px;}
  .toc-side{display:block;position:sticky;top:104px;align-self:start;}
  .toc-mobile{display:none;}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .menu-btn{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid > div + div{border-left:0;padding-left:0;}
  .article-title{font-size:36px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .site-header{padding:12px 0 8px;}
  .brand-text{font-size:16px;}
  .article-title{font-size:30px;line-height:1.32;}
  .article-main{padding:32px 0 56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .section-title{font-size:23px;}
  .rel-item{grid-template-columns:88px minmax(0,1fr);gap:14px;}
  .rel-thumb{width:88px;height:68px;}
  .rel-meta{display:none;}
  .rel-title{font-size:16px;}
  .back-inner{padding:26px 20px;}
  .back-inner h2{font-size:20px;}
  .footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .crumb-current{max-width:34ch;}
  .article-actions .btn{flex:1 1 100%;}
  .back-actions .btn{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
    --ink:#1E2521;
    --ink-2:#5B6660;
    --brand:#0F5A4B;
    --brand-deep:#0A3F35;
    --accent:#C08A3E;
    --cta:#B4462C;
    --paper:#F6F2E9;
    --card:#FFFFFF;
    --line:#DED6C6;
    --line-soft:#EBE4D6;
    --radius:14px;
    --radius-lg:20px;
    --shadow-1:0 1px 2px rgba(30,37,33,.05);
    --shadow-2:0 10px 26px rgba(15,90,75,.12);
    --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
    --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.85;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:2px solid var(--cta);
    outline-offset:2px;
    border-radius:6px;
  }
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;padding:14px 20px 0;}
  .nav-shell{
    max-width:1200px;margin:0 auto;
    display:flex;align-items:center;gap:18px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 10px 8px 14px;
    box-shadow:var(--shadow-1);
    transition:box-shadow .2s ease,padding .2s ease;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:32px;height:32px;border-radius:8px;
    background:var(--brand);color:#fff;
    display:grid;place-items:center;
    font-size:11px;font-weight:700;letter-spacing:.08em;
    font-family:var(--sans);
  }
  .brand-text{font-family:var(--serif);font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
  .brand-text em{font-style:normal;color:var(--brand);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:9px 14px;min-height:40px;
    font-size:14px;font-weight:500;letter-spacing:.03em;
    color:var(--ink-2);border-radius:999px;
    transition:color .2s ease,background-color .2s ease;
  }
  .nav-link:hover{color:var(--brand);background:rgba(15,90,75,.07);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
    background:var(--accent);border-radius:2px;
  }
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:40px;padding:0 18px;border-radius:999px;
    background:var(--cta);color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;
    box-shadow:0 6px 16px rgba(180,70,44,.2);
    transition:background-color .2s ease,transform .15s ease,box-shadow .2s ease;
    flex:0 0 auto;
  }
  .nav-cta:hover{background:#9C3A24;box-shadow:0 8px 20px rgba(180,70,44,.26);}
  .nav-cta:active{transform:translateY(1px);}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:999px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    cursor:pointer;padding:0;
  }
  .nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .mobile-panel{display:none;max-width:1200px;margin:10px auto 0;}
  .mobile-panel.is-open{display:block;animation:dropIn .2s ease;}
  @keyframes dropIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
  .mobile-panel-inner{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-2);overflow:hidden;padding:8px;
  }
  .mobile-panel a{
    display:flex;align-items:center;min-height:48px;padding:0 16px;
    font-size:15px;color:var(--ink);border-radius:12px;
    border-bottom:1px solid var(--line-soft);
  }
  .mobile-panel a:last-child{border-bottom:0;}
  .mobile-panel a.is-active{color:var(--brand);font-weight:600;background:rgba(15,90,75,.06);}

  /* ---------- Hero ---------- */
  .hero{position:relative;padding:64px 0 76px;overflow:hidden;}
  .hero::before{
    content:"";position:absolute;top:0;right:16%;bottom:0;width:1px;
    background:var(--line-soft);
  }
  .hero::after{
    content:"";position:absolute;right:-90px;top:40px;width:320px;height:320px;
    border:1px solid var(--brand);border-radius:50%;opacity:.08;pointer-events:none;
  }
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;position:relative;z-index:1;}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    border:1px solid rgba(192,138,62,.55);
    background:rgba(192,138,62,.1);
    color:#8A5F22;font-size:13px;font-weight:600;letter-spacing:.06em;
    margin-bottom:20px;
  }
  .hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
  .hero h1{
    font-family:var(--serif);
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.28;font-weight:700;letter-spacing:.02em;
    color:var(--ink);
    margin-bottom:18px;
  }
  .hero h1 .hl{color:var(--brand);}
  .hero-sub{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:34em;margin-bottom:26px;}
  .btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.04em;
    border:1px solid transparent;cursor:pointer;
    transition:background-color .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 18px rgba(180,70,44,.2);}
  .btn-primary:hover{background:#9C3A24;box-shadow:0 12px 24px rgba(180,70,44,.26);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
  .btn-ghost:hover{background:rgba(15,90,75,.07);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-accent{background:var(--accent);color:#22190D;box-shadow:0 8px 18px rgba(192,138,62,.22);}
  .btn-accent:hover{background:#B37D31;}
  .btn-line{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
  .btn-line:hover{background:rgba(255,255,255,.12);}
  .hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--ink-2);letter-spacing:.02em;}
  .hero-meta span{display:inline-flex;align-items:center;gap:8px;}
  .hero-meta span + span::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block;}
  .hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-2);}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .hero-media .veil{position:absolute;inset:0;background:rgba(15,90,75,.16);}
  .hero-media .cap{
    position:absolute;left:16px;right:16px;bottom:16px;
    background:#fff;border-radius:12px;padding:12px 16px;
    box-shadow:0 8px 20px rgba(10,63,53,.16);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
  }
  .hero-media .cap b{font-family:var(--serif);font-size:15px;color:var(--ink);}
  .hero-media .cap span{font-size:12.5px;color:var(--brand);background:rgba(15,90,75,.08);padding:3px 10px;border-radius:999px;white-space:nowrap;}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0;}
  .section.alt{background:#FBF8F1;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
  .section-title{
    font-family:var(--serif);font-size:clamp(24px,2.4vw,30px);
    font-weight:700;letter-spacing:.02em;line-height:1.35;color:var(--ink);
  }
  .section-title::before{
    content:"";display:block;width:24px;height:2px;background:var(--accent);
    margin-bottom:14px;border-radius:2px;
  }
  .section-desc{font-size:14.5px;color:var(--ink-2);max-width:46em;margin-top:10px;line-height:1.85;}
  .more-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;}
  .more-link:hover{color:var(--cta);}
  .more-link::after{content:"→";transition:transform .2s ease;}
  .more-link:hover::after{transform:translateX(3px);}

  /* ---------- 步骤 ---------- */
  .step-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
  .step-item{
    display:flex;gap:18px;
    padding:22px 0;
    border-bottom:1px dashed var(--line);
  }
  .step-num{
    font-family:var(--sans);font-size:15px;font-weight:700;letter-spacing:.06em;
    color:var(--accent);flex:0 0 auto;padding-top:2px;transition:color .2s ease;
  }
  .step-item:hover .step-num{color:var(--brand);}
  .step-body h3{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.45;}
  .step-body p{font-size:15px;line-height:1.85;color:var(--ink-2);}

  /* ---------- 注意事项 ---------- */
  .note-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;}
  .note-col{padding:0 40px;}
  .note-col:first-child{padding-left:0;border-right:1px solid var(--line);}
  .note-col:last-child{padding-right:0;}
  .note-title{
    font-family:var(--serif);font-size:21px;font-weight:700;margin-bottom:6px;color:var(--ink);
    display:flex;align-items:center;gap:10px;
  }
  .note-title i{width:8px;height:8px;border-radius:50%;display:block;}
  .note-col.warn .note-title i{background:var(--cta);}
  .note-col.tip .note-title i{background:var(--brand);}
  .note-col .note-lead{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
  .note-list li{
    position:relative;padding:11px 0 11px 20px;
    font-size:15px;line-height:1.8;color:var(--ink);
    border-bottom:1px solid var(--line-soft);
  }
  .note-list li:last-child{border-bottom:0;}
  .note-list li::before{
    content:"";position:absolute;left:0;top:20px;width:6px;height:6px;border-radius:50%;
    background:var(--accent);
  }

  /* ---------- FAQ ---------- */
  .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:#CFC5B2;box-shadow:var(--shadow-1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    min-height:56px;padding:16px 22px;
    background:none;border:0;cursor:pointer;text-align:left;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q[aria-expanded="true"]{color:var(--brand);}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;border-radius:50%;
    border:1px solid var(--line);position:relative;
    transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink-2);border-radius:2px;
    transition:background-color .2s ease,opacity .2s ease;
  }
  .faq-icon::before{width:10px;height:1.5px;left:6.5px;top:10.5px;}
  .faq-icon::after{width:1.5px;height:10px;left:10.5px;top:6.5px;}
  .faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);border-color:var(--brand);background:rgba(15,90,75,.08);}
  .faq-q[aria-expanded="true"] .faq-icon::before,
  .faq-q[aria-expanded="true"] .faq-icon::after{background:var(--brand);}
  .faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}
  .faq-a.is-open{display:block;}

  /* ---------- 交叉链接 ---------- */
  .cross-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:20px;}
  .cross-card{
    display:flex;flex-direction:column;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:22px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .cross-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand);}
  .cross-card .tag{
    align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.05em;
    color:var(--brand);background:rgba(15,90,75,.08);
    padding:3px 10px;border-radius:999px;
  }
  .cross-card b{font-family:var(--serif);font-size:17px;line-height:1.5;color:var(--ink);}
  .cross-card p{font-size:13.5px;line-height:1.75;color:var(--ink-2);}
  .cross-card .go{font-size:13px;font-weight:600;color:var(--brand);margin-top:auto;display:inline-flex;gap:6px;align-items:center;}
  .cross-card:hover .go{color:var(--cta);}
  .cross-card.feature{background:var(--brand);border-color:var(--brand);}
  .cross-card.feature .tag{color:#F6E7C9;background:rgba(255,255,255,.16);}
  .cross-card.feature b{color:#fff;}
  .cross-card.feature p{color:rgba(255,255,255,.78);}
  .cross-card.feature .go{color:#F0C98A;}

  /* ---------- CTA ---------- */
  .cta-block{
    position:relative;overflow:hidden;
    background:var(--brand-deep);border-radius:20px;
    padding:44px 48px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    flex-wrap:wrap;
  }
  .cta-block::after{
    content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
    border:1px solid rgba(255,255,255,.35);border-radius:50%;opacity:.25;pointer-events:none;
  }
  .cta-block h3{
    font-family:var(--serif);font-size:clamp(21px,2.2vw,26px);color:#fff;
    font-weight:700;line-height:1.45;margin-bottom:10px;position:relative;z-index:1;
  }
  .cta-block p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8;max-width:38em;position:relative;z-index:1;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--brand-deep);color:#E8E2D5;padding:64px 0 26px;margin-top:8px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
  .footer-grid > div + div{border-left:1px solid rgba(255,255,255,.08);padding-left:28px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand b{font-family:var(--serif);font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em;}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(232,226,213,.7);max-width:34em;}
  .footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff;margin-bottom:12px;}
  .footer a{display:block;font-size:14px;color:rgba(232,226,213,.75);padding:6px 0;transition:color .2s ease;}
  .footer a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    font-size:13px;color:rgba(232,226,213,.6);
  }
  .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
  .fb-links a{display:inline;padding:0;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero::before{display:none;}
    .hero::after{display:none;}
    .section{padding:58px 0;}
    .step-grid{grid-template-columns:1fr;gap:0;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .cross-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .footer-grid > div + div{border-left:0;padding-left:0;}
    .footer-grid > div:nth-child(even){border-left:1px solid rgba(255,255,255,.08);padding-left:24px;}
  }
  @media (max-width:900px){
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:flex;margin-left:auto;}
    .site-header{padding:12px 16px 0;}
    .wrap{padding:0 24px;}
    .note-grid{grid-template-columns:1fr;}
    .note-col{padding:0;}
    .note-col:first-child{border-right:0;border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:28px;}
    .cta-block{padding:34px 28px;}
  }
  @media (max-width:600px){
    body{font-size:16px;}
    .wrap{padding:0 20px;}
    .hero{padding:44px 0 52px;}
    .hero-sub{font-size:15.5px;}
    .btn{width:100%;}
    .btn-row{gap:10px;}
    .hero-meta{font-size:12.5px;gap:10px;}
    .section{padding:48px 0;}
    .step-body h3{font-size:17.5px;}
    .cross-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-grid > div:nth-child(even){border-left:0;padding-left:0;}
    .footer{padding:48px 0 24px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
    .cta-block{padding:28px 22px;border-radius:16px;}
    .cta-actions{width:100%;}
  }

/* roulang page: category2 */
:root{
    --ink:#1E2521;
    --ink-2:#5B6660;
    --brand:#0F5A4B;
    --brand-deep:#0A3F35;
    --accent:#C08A3E;
    --cta:#B4462C;
    --paper:#F6F2E9;
    --card:#FFFFFF;
    --line:#DED6C6;
    --line-soft:#EBE4D6;
    --radius:14px;
    --shadow-1:0 1px 2px rgba(30,37,33,.05);
    --shadow-2:0 10px 26px rgba(15,90,75,.12);
    --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    --font-serif:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
  }
  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  .site-body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  .site-body img{max-width:100%;height:auto;display:block;}
  .site-body a{color:inherit;text-decoration:none;}
  .site-body ul,.site-body ol{margin:0;padding:0;list-style:none;}
  .site-body p{margin:0;}
  .site-body h1,.site-body h2,.site-body h3,.site-body h4{
    margin:0;
    font-family:var(--font-serif);
    font-weight:700;
    letter-spacing:.02em;
    line-height:1.35;
    color:var(--ink);
  }
  .site-body button{font-family:inherit;cursor:pointer;border:none;background:none;}
  .site-body :focus-visible{outline:2px solid var(--cta);outline-offset:2px;}

  .wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
  .section{padding:76px 0;}
  .section-tight{padding:52px 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
  .sec-title{font-size:30px;position:relative;}
  .sec-title::before{content:"";display:block;width:24px;height:2px;background:var(--accent);margin-bottom:14px;}
  .sec-sub{color:var(--ink-2);font-size:15px;max-width:620px;margin-top:12px;}
  .link-more{color:var(--brand);font-size:14px;font-weight:600;letter-spacing:.04em;border-bottom:1px solid rgba(15,90,75,.28);padding-bottom:2px;transition:color .2s ease,border-color .2s ease;}
  .link-more:hover{color:var(--cta);border-color:var(--cta);}

  .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--accent);color:#8C6220;background:rgba(192,138,62,.08);border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;letter-spacing:.08em;}
  .chip{display:inline-flex;align-items:center;gap:6px;background:rgba(15,90,75,.08);color:var(--brand);border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;}
  .chip-accent{background:transparent;border:1px solid var(--accent);color:#8C6220;}

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{position:sticky;top:16px;z-index:60;padding:0 20px;}
  .nav-bar{
    max-width:1160px;margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border:1px solid var(--line);border-radius:999px;
    padding:9px 12px 9px 16px;
    box-shadow:var(--shadow-1);
    transition:padding .2s ease,box-shadow .2s ease;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
    display:grid;place-items:center;font-size:11px;font-weight:700;letter-spacing:.06em;font-family:var(--font-sans);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-text b{font-size:15.5px;font-weight:700;letter-spacing:.08em;color:var(--ink);font-family:var(--font-serif);}
  .brand-text i{font-style:normal;font-size:10.5px;color:var(--ink-2);letter-spacing:.14em;}
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{position:relative;padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:500;letter-spacing:.04em;color:var(--ink-2);transition:color .2s ease,background-color .2s ease;white-space:nowrap;}
  .nav-link:hover{color:var(--brand);background:rgba(15,90,75,.06);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--accent);}
  .nav-actions{display:flex;align-items:center;gap:8px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-size:14px;font-weight:600;letter-spacing:.04em;
    padding:11px 20px;min-height:44px;
    transition:background-color .2s ease,color .2s ease,transform .16s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn:active{transform:translateY(1px);}
  .btn-cta{background:var(--cta);color:#fff;box-shadow:var(--shadow-1);}
  .btn-cta:hover{background:#9E3B24;box-shadow:0 8px 20px rgba(180,70,44,.22);}
  .btn-brand{background:var(--brand);color:#fff;}
  .btn-brand:hover{background:#0C4B3E;}
  .btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
  .btn-ghost:hover{background:rgba(15,90,75,.08);}
  .btn-accent{background:var(--accent);color:#2A1F0C;}
  .btn-accent:hover{background:#AC7830;}
  .btn-light-outline{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent;}
  .btn-light-outline:hover{background:rgba(255,255,255,.14);}
  .nav-toggle{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);align-items:center;justify-content:center;gap:5px;flex-direction:column;}
  .nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);}
  .nav-panel{display:none;max-width:1160px;margin:10px auto 0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-2);padding:10px;overflow:hidden;}
  .nav-panel.is-open{display:block;}
  .nav-panel a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:10px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line-soft);}
  .nav-panel a:last-child{border-bottom:none;}
  .nav-panel a:hover{background:rgba(15,90,75,.06);color:var(--brand);}
  .nav-panel a.is-active{color:var(--brand);font-weight:600;}

  /* ---------- 分类头部 ---------- */
  .cat-hero{position:relative;padding:64px 0 56px;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
  .cat-hero::before{
    content:"";position:absolute;right:-90px;top:-50px;width:340px;height:340px;border-radius:50%;
    border:1px solid rgba(15,90,75,.10);pointer-events:none;
  }
  .cat-hero::after{
    content:"";position:absolute;left:-40px;bottom:-30px;width:180px;height:180px;border-radius:50%;
    border:1px solid rgba(192,138,62,.16);pointer-events:none;
  }
  .cat-hero > *{position:relative;z-index:1;}
  .cat-hero h1{font-size:46px;line-height:1.25;margin:18px 0 18px;max-width:16em;}
  .cat-hero h1 em{font-style:normal;color:var(--brand);}
  .cat-lead{font-size:16.5px;line-height:1.9;color:var(--ink-2);max-width:34em;}
  .hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:26px 0 28px;font-size:13.5px;color:var(--ink-2);}
  .hero-meta span{position:relative;padding-right:14px;}
  .hero-meta span:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--line);}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .hero-figure{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);}
  .hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .hero-figure-mask{position:absolute;inset:0;background:rgba(15,90,75,.9);opacity:.14;pointer-events:none;}
  .hero-figure-note{
    position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);
    border-radius:12px;padding:10px 16px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:2px;
  }
  .hero-figure-note b{font-size:14px;letter-spacing:.04em;color:var(--brand);}
  .hero-figure-note span{font-size:12px;color:var(--ink-2);}

  /* ---------- 状态条 ---------- */
  .status-band{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px;
    background:var(--brand-deep);color:#EFE9DB;border-radius:999px;padding:16px 28px;
    box-shadow:var(--shadow-1);
  }
  .status-live{display:flex;align-items:center;gap:9px;font-size:13.5px;letter-spacing:.05em;font-weight:600;}
  .status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(192,138,62,.55);animation:pulse 2.6s ease-out infinite;}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(192,138,62,.5);}70%{box-shadow:0 0 0 9px rgba(192,138,62,0);}100%{box-shadow:0 0 0 0 rgba(192,138,62,0);}}
  .status-items{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:rgba(239,233,219,.82);}
  .status-items b{color:#fff;font-size:15px;font-weight:700;margin-right:5px;font-variant-numeric:tabular-nums;}

  /* ---------- 专题卡片墙 ---------- */
  .topic-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .topic-card{
    display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    padding:16px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand);}
  .topic-thumb{flex:0 0 148px;width:148px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--line-soft);}
  .topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .topic-card:hover .topic-thumb img{transform:scale(1.04);}
  .topic-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
  .idx{font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent);font-variant-numeric:tabular-nums;}
  .topic-body h3{font-size:19px;line-height:1.4;}
  .topic-list li{font-size:13.5px;color:var(--ink-2);padding:5px 0;border-bottom:1px dashed var(--line-soft);}
  .topic-list li:last-child{border-bottom:none;}
  .topic-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
  .topic-arrow{color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.04em;opacity:0;transform:translateX(-4px);transition:opacity .2s ease,transform .2s ease;}
  .topic-card:hover .topic-arrow{opacity:1;transform:translateX(0);}

  /* ---------- 精选条目 ---------- */
  .pick-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:10px 28px;box-shadow:var(--shadow-1);}
  .pick-item{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line-soft);transition:color .2s ease;}
  .pick-item:last-child{border-bottom:none;}
  .pick-idx{font-family:var(--font-sans);font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums;transition:color .2s ease;}
  .pick-main h3{font-size:18px;line-height:1.45;transition:color .2s ease;}
  .pick-main p{font-size:13.5px;color:var(--ink-2);margin-top:5px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
  .pick-item:hover .pick-idx{color:var(--brand);}
  .pick-item:hover .pick-main h3{color:var(--brand);}

  /* ---------- 相关推荐 ---------- */
  .rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 16px;scrollbar-width:none;}
  .rail::-webkit-scrollbar{display:none;}
  .rail-card{
    flex:0 0 calc((100% - 60px)/4);min-width:220px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand);}
  .rail-thumb{aspect-ratio:16/10;background:var(--line-soft);overflow:hidden;}
  .rail-thumb img{width:100%;height:100%;object-fit:cover;}
  .rail-body{padding:14px 16px 18px;}
  .rail-body h3{font-size:16.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rail-body .chip{margin-top:10px;}

  /* ---------- CTA 区块 ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--brand-deep);color:#F2ECDE;
    border-radius:20px;padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  }
  .cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(255,255,255,.10);pointer-events:none;}
  .cta-text h3{font-size:24px;color:#fff;margin-bottom:10px;}
  .cta-text p{font-size:14.5px;color:rgba(242,236,222,.78);max-width:44em;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:0.9fr 1.4fr;gap:48px;align-items:start;}
  .faq-intro p{color:var(--ink-2);font-size:15px;margin-top:14px;max-width:26em;}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
  .faq-item:hover{border-color:rgba(15,90,75,.4);}
  .faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-1);}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);min-height:56px;transition:color .2s ease;}
  .faq-q:hover{color:var(--brand);}
  .faq-item.is-open .faq-q{color:var(--brand);}
  .faq-q i{flex-shrink:0;width:20px;height:20px;position:relative;transition:transform .2s ease;}
  .faq-q i::before,.faq-q i::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);}
  .faq-q i::before{width:12px;height:2px;}
  .faq-q i::after{width:2px;height:12px;transition:opacity .2s ease;}
  .faq-item.is-open .faq-q i{transform:rotate(180deg);}
  .faq-item.is-open .faq-q i::after{opacity:0;}
  .faq-a{display:none;padding:0 22px 20px;}
  .faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);}
  .faq-item.is-open .faq-a{display:block;}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--brand-deep);color:#EDE7D9;padding:64px 0 26px;margin-top:20px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
  .footer-brand b{font-family:var(--font-serif);font-size:16px;letter-spacing:.04em;color:#fff;}
  .footer-desc{font-size:13.5px;line-height:1.85;color:rgba(237,231,217,.72);max-width:30em;}
  .footer-title{font-size:13px;letter-spacing:.12em;color:var(--accent);margin-bottom:12px;font-weight:600;}
  .footer a{display:block;font-size:14px;padding:6px 0;color:rgba(237,231,217,.78);transition:color .2s ease;}
  .footer a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(237,231,217,.62);}
  .fb-links{display:flex;gap:20px;flex-wrap:wrap;}
  .fb-links a{display:inline;padding:0;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1080px){
    .cat-hero{grid-template-columns:1fr;gap:36px;padding:48px 0 44px;}
    .cat-hero h1{font-size:38px;}
    .hero-figure{max-width:620px;}
    .topic-wall{grid-template-columns:1fr;}
    .rail-card{flex:0 0 calc((100% - 20px)/2);}
    .faq-grid{grid-template-columns:1fr;gap:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:900px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-actions .btn-cta{display:none;}
    .wrap{padding:0 24px;}
    .site-header{padding:0 16px;top:12px;}
  }
  @media (max-width:720px){
    .section{padding:52px 0;}
    .sec-title{font-size:24px;}
    .cat-hero h1{font-size:30px;}
    .cat-lead{font-size:15.5px;}
    .status-band{border-radius:18px;padding:16px 20px;}
    .topic-card{flex-direction:column;}
    .topic-thumb{width:100%;flex:none;aspect-ratio:16/9;}
    .pick-panel{padding:4px 18px;}
    .pick-item{grid-template-columns:38px 1fr;gap:12px;padding:16px 0;}
    .pick-item .chip{grid-column:2;}
    .rail-card{flex:0 0 78%;}
    .cta-band{padding:30px 24px;}
    .cta-text h3{font-size:20px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:520px){
    .wrap{padding:0 20px;}
    .cat-hero h1{font-size:27px;}
    .hero-actions .btn{width:100%;}
    .brand-text b{font-size:14.5px;}
  }