/* roulang page: index */
:root{
  --coral:#E2553F;
  --coral-dark:#C9452F;
  --teal:#1F6F5C;
  --amber:#F0A73C;
  --bg:#FBF7F2;
  --bg-alt:#F1EAE1;
  --ink:#1C1A17;
  --muted:#6E665E;
  --line:#E4DACD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:0 12px 28px -12px rgba(0,0,0,0.06);
  --shadow-lift:0 18px 36px -16px rgba(0,0,0,0.16);
  --container:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--coral-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);line-height:1.4;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.brand-mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:4px;}
.site-nav a{
  position:relative;padding:8px 12px;font-size:15px;color:#3a3530;border-radius:8px;
}
.site-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.site-nav a:hover{color:var(--coral-dark);}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--coral-dark);font-weight:600;}
.site-nav .nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:999px;background:var(--coral);color:#fff;font-weight:600;
  box-shadow:0 10px 18px -12px rgba(226,85,63,.9);transition:transform .2s ease,background .2s ease;
}
.site-nav .nav-cta::after{display:none;}
.site-nav .nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* hero */
.hero{
  position:relative;
  padding:64px 0 54px;
  background-image:linear-gradient(115deg,rgba(251,247,242,.97) 0%,rgba(251,247,242,.9) 55%,rgba(251,247,242,.78) 100%),url('/assets/images/2bae549eef0b21ad.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(226,85,63,.1);color:var(--coral-dark);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero h1{font-size:44px;line-height:1.3;margin:16px 0 18px;letter-spacing:.3px;}
.hero .lead{font-size:17px;line-height:1.95;color:#4a433c;max-width:560px;margin:0 0 26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:8px;}
.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;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 22px -14px rgba(226,85,63,.95);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(226,85,63,1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:rgba(226,85,63,.45);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--coral-dark);}
.btn-white:hover{background:#fff;color:var(--coral);transform:translateY(-2px);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-2);}
.hero-badge{
  position:absolute;left:-16px;bottom:24px;display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:12px;padding:12px 18px;box-shadow:var(--shadow-2);font-size:14px;font-weight:600;
}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--teal);flex:none;}
.trust-bar{display:flex;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);}
.trust-item{flex:1 1 0;min-width:150px;padding:0 24px;border-left:1px solid var(--line);}
.trust-item:first-child{border-left:none;padding-left:0;}
.trust-item strong{display:block;font-size:15px;font-weight:600;}
.trust-item span{font-size:13px;color:var(--muted);}

/* sections */
.section{padding:72px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:30px;margin:0 0 10px;}
.section-head p{font-size:15px;color:var(--muted);margin:0;line-height:1.9;}
.section-head--row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}
.tag{display:inline-block;background:var(--bg-alt);color:#4a433c;font-size:13px;padding:3px 10px;border-radius:6px;line-height:1.6;}
.tag--accent{background:rgba(226,85,63,.1);color:var(--coral-dark);}
.tag--teal{background:rgba(31,111,92,.1);color:var(--teal);}

/* search bar */
.search-bar{
  display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:18px;box-shadow:var(--shadow-1);
}
.search-field{display:flex;flex-direction:column;gap:6px;min-width:160px;}
.search-field--grow{flex:1 1 280px;}
.search-field label{font-size:13px;color:var(--muted);font-weight:600;}
select,input[type="search"],input[type="text"]{
  width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 14px;
  font-size:15px;font-family:inherit;background:var(--bg);color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
select:focus,input[type="search"]:focus,input[type="text"]:focus{
  background:#fff;border-color:var(--teal);outline:none;box-shadow:0 0 0 3px rgba(31,111,92,.15);
}
.search-bar .btn{flex:none;}

/* scene grid */
.scene-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.scene-card{
  grid-column:span 2;display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  color:var(--ink);
}
.scene-card--lg{grid-column:span 3;}
a.scene-card:hover{transform:translateY(-4px);border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-lift);color:var(--ink);}
.scene-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:14px;font-weight:700;
  background:rgba(31,111,92,.1);color:var(--teal);letter-spacing:1px;font-family:var(--serif);
}
.scene-card:nth-child(3n) .scene-icon{background:rgba(226,85,63,.1);color:var(--coral-dark);}
.scene-card h3{font-size:19px;margin:0;}
.scene-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}
.scene-more{margin-top:auto;font-size:13px;color:var(--coral-dark);font-weight:600;}

/* benefit band */
.benefit-band{
  background:rgba(31,111,92,.07);border:1px solid rgba(31,111,92,.16);border-radius:20px;padding:38px;
  display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center;
}
.benefit-band h2{font-size:28px;margin:0 0 12px;}
.benefit-band p{font-size:15px;color:#3f4f49;margin:0;}
.benefit-list{list-style:none;margin:0;padding:0;display:grid;gap:0;}
.benefit-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;padding:14px 0;
  border-bottom:1px dashed rgba(31,111,92,.25);color:#2c3a35;
}
.benefit-list li:last-child{border-bottom:none;padding-bottom:0;}
.benefit-list li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex:none;margin-top:10px;
}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);}
.step-num{font-family:var(--serif);font-size:42px;font-weight:700;color:rgba(226,85,63,.28);line-height:1;}
.step h3{font-size:19px;margin:12px 0 8px;}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* wide post list */
.wide-list{display:grid;gap:18px;}
.post-wide{
  display:grid;grid-template-columns:280px 1fr;gap:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;color:var(--ink);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-wide:hover{transform:translateY(-4px);border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-lift);color:var(--ink);}
.post-wide__thumb img{width:100%;height:100%;max-height:200px;aspect-ratio:4/3;object-fit:cover;border-radius:12px;}
.post-wide__body{display:flex;flex-direction:column;justify-content:center;gap:4px;}
.post-wide h3{
  font-size:20px;margin:8px 0;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-wide p{
  margin:0 0 10px;font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{font-size:13px;color:var(--muted);}
.post-wide .more{margin-top:4px;font-size:13px;font-weight:600;color:var(--coral-dark);}

/* latest */
.latest-rows{display:grid;gap:10px;margin-bottom:22px;}
.latest-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:16px 20px;color:var(--ink);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.latest-row:hover{border-color:rgba(226,85,63,.5);background:#fffdfa;transform:translateX(3px);color:var(--ink);}
.latest-row h3{margin:0;font-size:16px;font-weight:600;font-family:var(--sans);line-height:1.6;}
.latest-row p{margin:3px 0 0;font-size:13.5px;color:var(--muted);line-height:1.7;}
.latest-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.latest-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;color:var(--ink);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.latest-card:hover{transform:translateY(-4px);border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-lift);color:var(--ink);}
.latest-card img{width:110px;height:96px;object-fit:cover;border-radius:10px;flex:none;}
.latest-card h3{margin:4px 0 6px;font-size:16px;line-height:1.55;font-family:var(--sans);font-weight:600;}
.latest-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.7;}

/* safety */
.safety-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start;}
.safety-dark{background:#1C1A17;color:#F6EFE6;border-radius:18px;padding:36px;}
.safety-dark h2{color:#fff;font-size:28px;margin:0 0 10px;}
.safety-dark .lead{color:rgba(246,239,230,.72);font-size:14.5px;margin-bottom:22px;}
.safety-dark ul{list-style:none;margin:0;padding:0;display:grid;gap:16px;}
.safety-dark li{border-top:1px solid rgba(246,239,230,.14);padding-top:16px;}
.safety-dark li:first-child{border-top:none;padding-top:0;}
.safety-dark li strong{display:block;font-size:16px;color:#fff;margin-bottom:4px;}
.safety-dark li span{font-size:14px;color:rgba(246,239,230,.72);line-height:1.8;display:block;}
.safety-light{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow-1);}
.safety-light h3{font-size:20px;margin:0 0 10px;}
.safety-light p{font-size:14.5px;color:var(--muted);margin:0 0 16px;}
.safety-light .link-line{font-size:14px;font-weight:600;color:var(--coral-dark);}

/* ranking */
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
.rank-row{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line);}
.rank-row:nth-child(odd){background:#fdfaf6;}
.rank-row:last-child{border-bottom:none;}
.rank-num{font-family:var(--serif);font-size:28px;font-weight:700;color:rgba(226,85,63,.55);line-height:1;}
.rank-row h3{margin:0 0 4px;font-size:17px;font-family:var(--sans);font-weight:600;}
.rank-row p{margin:0;font-size:13.5px;color:var(--muted);}
.rank-count{font-size:13px;color:var(--teal);font-weight:600;white-space:nowrap;}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.voice{background:#fff;border:1px solid var(--line);border-top:3px solid var(--coral);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.voice:nth-child(2){margin-top:26px;}
.voice:nth-child(3){margin-top:12px;}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.voice-avatar{
  width:48px;height:48px;border-radius:50%;background:rgba(31,111,92,.1);color:var(--teal);
  display:grid;place-items:center;font-weight:700;font-family:var(--serif);flex:none;
}
.voice-head strong{display:block;font-size:15px;}
.voice-head span{font-size:12.5px;color:var(--muted);}
.voice p{font-size:14.5px;color:#4a433c;margin:0 0 14px;line-height:1.85;}

/* faq */
.faq{display:grid;gap:10px;max-width:880px;}
details.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
details.faq-item[open]{border-color:rgba(226,85,63,.45);box-shadow:var(--shadow-1);}
details.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary::after{
  content:"+";color:var(--coral);font-size:22px;line-height:1;transition:transform .2s ease-out;flex:none;
}
details.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:2px 22px 20px;font-size:15px;line-height:1.9;color:#4a433c;background:linear-gradient(#fff,#fdfaf6);}

/* editorial */
.editorial{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.editorial p{font-size:15px;color:var(--muted);max-width:560px;margin:0;}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.badge{
  background:var(--bg-alt);color:#4a433c;font-size:13px;font-weight:600;padding:6px 14px;border-radius:6px;
  border:1px solid var(--line);
}
.city-sketch{opacity:.9;}

/* cta band */
.cta-band{
  background:var(--coral);color:#fff;border-radius:22px;padding:46px;display:grid;
  grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  box-shadow:0 24px 48px -30px rgba(226,85,63,.9);
}
.cta-band h2{color:#fff;font-size:30px;margin:0 0 12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0 0 22px;max-width:520px;}
.cta-visual{display:flex;justify-content:center;}
.cta-visual svg{width:100%;max-width:230px;height:auto;opacity:.92;}

/* duo */
.duo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.duo-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);transition:transform .22s ease,border-color .22s ease;}
.duo-card:hover{transform:translateY(-4px);border-color:rgba(226,85,63,.4);}
.duo-card h3{font-size:20px;margin:0 0 10px;}
.duo-card p{font-size:14.5px;color:var(--muted);margin:0 0 16px;}
.duo-card .link-line{font-size:14px;font-weight:600;color:var(--coral-dark);}

/* summary nav */
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.summary-col h3{font-size:15px;margin:0 0 14px;font-family:var(--sans);font-weight:700;letter-spacing:.5px;}
.summary-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0;}
.summary-col a:hover{color:var(--coral-dark);text-decoration:underline;text-underline-offset:4px;}

/* footer */
.site-footer{background:#1C1A17;color:#F1EAE1;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.35fr;gap:30px;}
.footer-col h3{color:#fff;font-size:15px;margin:0 0 14px;font-family:var(--sans);font-weight:700;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:rgba(241,234,225,.7);padding:5px 0;}
.footer-col a:hover{color:var(--coral);}
.footer-brand .brand-mark{color:#fff;font-size:21px;}
.footer-brand .brand-sub{color:rgba(241,234,225,.55);}
.footer-brand p{font-size:13.5px;color:rgba(241,234,225,.65);margin:14px 0 0;line-height:1.85;}
.footer-bottom{
  border-top:1px solid rgba(241,234,225,.15);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(241,234,225,.55);
}
.footer-bottom a{color:rgba(241,234,225,.55);}
.footer-bottom a:hover{color:var(--coral);}

/* empty state */
.empty-state{
  border:1px dashed var(--line);border-radius:14px;background:#fff;padding:28px;text-align:center;
  color:var(--muted);font-size:14.5px;
}

/* breakpoints */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .scene-grid{grid-template-columns:repeat(4,1fr);}
  .scene-card--lg{grid-column:span 2;}
  .scene-card{grid-column:span 2;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:8px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);
    display:none;
  }
  .site-nav.open{display:flex;}
  .site-nav a{padding:14px 6px;border-bottom:1px solid var(--line);border-radius:0;}
  .site-nav a::after{left:6px;right:auto;width:24px;bottom:6px;}
  .site-nav .nav-cta{margin:14px 0 0;text-align:center;border-bottom:none;}
  .hero{padding:48px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:32px;}
  .hero-media{order:-1;}
  .hero-badge{left:12px;bottom:12px;}
  .benefit-band{grid-template-columns:1fr;gap:26px;padding:28px;}
  .steps{grid-template-columns:1fr;}
  .post-wide{grid-template-columns:1fr;}
  .post-wide__thumb img{max-height:220px;}
  .latest-cards{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .voice:nth-child(2),.voice:nth-child(3){margin-top:0;}
  .editorial{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:32px;text-align:left;}
  .cta-visual{justify-content:flex-start;}
  .duo-grid{grid-template-columns:1fr;}
  .summary-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:52px 0;}
  .section-head h2{font-size:24px;}
  .rank-row{grid-template-columns:48px 1fr;gap:14px;padding:16px 18px;}
  .rank-count{grid-column:2;justify-self:start;}
}
@media (max-width:767px){
  .scene-grid{grid-template-columns:1fr;}
  .scene-card,.scene-card--lg{grid-column:span 1;}
  .latest-row{grid-template-columns:1fr;gap:8px;}
  .trust-item{flex:1 1 45%;border-left:none;padding:10px 0;}
  .trust-item:first-child{padding-left:0;}
  .search-bar{flex-direction:column;align-items:stretch;}
  .search-bar .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:27px;line-height:1.42;}
  .hero .lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section{padding:44px 0;}
  .section-head h2{font-size:22px;}
  .cta-band h2{font-size:23px;}
  .benefit-band h2{font-size:22px;}
  .summary-grid{grid-template-columns:1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-mark{font-size:19px;}
  .latest-card{flex-direction:column;}
  .latest-card img{width:100%;height:160px;}
  .cta-band{padding:24px;}
  .duo-card{padding:22px;}
}

/* roulang page: article */
:root{
  --coral:#E2553F;
  --coral-dark:#C9452F;
  --teal:#1F6F5C;
  --amber:#F0A73C;
  --bg:#FBF7F2;
  --bg-alt:#F1EAE1;
  --ink:#1C1A17;
  --muted:#6E665E;
  --line:#E4DACD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:0 12px 28px -12px rgba(0,0,0,0.06);
  --shadow-lift:0 18px 36px -16px rgba(0,0,0,0.16);
  --container:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--coral-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.brand-mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;padding:8px 12px;font-size:15px;color:#3a3530;border-radius:8px;}
.site-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.site-nav a:hover{color:var(--coral-dark);}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--coral-dark);font-weight:600;}
.site-nav .nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:999px;background:var(--coral);color:#fff;font-weight:600;
  box-shadow:0 10px 18px -12px rgba(226,85,63,.9);transition:transform .2s ease,background .2s ease;
}
.site-nav .nav-cta::after{display:none;}
.site-nav .nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* buttons */
.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;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 22px -14px rgba(226,85,63,.95);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(226,85,63,1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:rgba(226,85,63,.45);transform:translateY(-2px);color:var(--coral-dark);}
.btn:focus-visible,.nav-toggle:focus-visible,.faq-q:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
/* article head */
.article-hero{
  padding:40px 0 30px;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--coral-dark);}
.breadcrumb .sep{color:#b6ab9d;}
.article-head h1{
  font-size:38px;line-height:1.42;margin:18px 0 16px;max-width:920px;letter-spacing:.4px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted);}
.article-meta .meta-tag{
  background:rgba(226,85,63,.1);color:var(--coral-dark);font-size:13px;font-weight:600;
  padding:3px 10px;border-radius:6px;
}
.article-rule{width:64px;height:3px;border-radius:2px;background:var(--coral);margin-top:22px;}
.hero-cover{margin-top:26px;}
.hero-cover img{
  width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-2);border:1px solid rgba(228,218,205,.7);
}
/* sections */
.section{padding:64px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:44px 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head h2{font-size:28px;margin:0 0 10px;}
.section-head p{font-size:15px;color:var(--muted);margin:0;line-height:1.9;}
/* article layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 314px;gap:52px;align-items:start;}
.article-main{max-width:760px;}
.article-body{font-size:16px;line-height:1.95;color:#2a2622;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;margin:38px 0 14px;padding-left:14px;border-left:3px solid var(--coral);line-height:1.6;
}
.article-body h3{font-size:20px;margin:28px 0 10px;line-height:1.65;}
.article-body h4{font-size:17px;margin:22px 0 8px;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em;}
.article-body li{margin-bottom:.55em;line-height:1.9;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-alt);border-left:3px solid var(--teal);
  border-radius:10px;color:#3a3530;font-size:15px;
}
.article-body img{border-radius:var(--radius-img);margin:10px 0 20px;width:100%;}
.article-body a{color:var(--coral-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--teal);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--bg-alt);}
.empty-state{
  border:1px dashed #d9cdbf;background:#fff;border-radius:16px;padding:52px 24px;text-align:center;
}
.empty-state h2{font-size:22px;margin:0 0 10px;border:none;padding:0;}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 22px;}
/* sidebar */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:92px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h2{font-size:17px;margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.key-points{list-style:none;margin:0;padding:0;counter-reset:kp;}
.key-points li{
  counter-increment:kp;position:relative;padding-left:30px;font-size:14.5px;line-height:1.8;
  color:#3a3530;margin-bottom:12px;
}
.key-points li:last-child{margin-bottom:0;}
.key-points li::before{
  content:counter(kp,decimal-leading-zero);position:absolute;left:0;top:1px;font-family:var(--serif);
  font-size:13px;font-weight:700;color:var(--coral);
}
.side-links{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.side-links a{color:#3a3530;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.side-links a span{color:var(--coral);}
.side-links a:hover{color:var(--coral-dark);}
.side-card--safe{background:rgba(240,167,60,.1);border-color:rgba(240,167,60,.35);}
.side-card--safe h2{border-bottom-color:rgba(240,167,60,.35);}
.side-card--safe p{font-size:14px;line-height:1.85;color:#5c4a2c;margin:0;}
/* safety strip */
.safety-strip{
  background:rgba(240,167,60,.1);
  border-top:1px solid rgba(240,167,60,.3);
  border-bottom:1px solid rgba(240,167,60,.3);
}
.safety-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:32px;align-items:center;}
.safety-grid h2{font-size:22px;margin:0 0 8px;}
.safety-grid p.sub{margin:0;font-size:14px;color:#6b5636;}
.safety-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.safety-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:#4d3f28;}
.safety-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--amber);
}
/* tag / share row */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-block;background:var(--bg-alt);color:#4a433c;font-size:13px;padding:5px 12px;
  border-radius:6px;line-height:1.6;border:1px solid transparent;transition:.18s ease;
}
a.tag:hover{border-color:rgba(226,85,63,.45);color:var(--coral-dark);background:rgba(226,85,63,.08);}
.to-top{
  background:none;border:none;padding:0;font-size:14px;color:var(--coral-dark);cursor:pointer;font-weight:600;
  border-bottom:1px solid rgba(226,85,63,.4);
}
.to-top:hover{color:var(--teal);border-bottom-color:rgba(31,111,92,.5);}
/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:10px;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(226,85,63,.3);}
.related-card .date{font-size:13px;color:var(--muted);}
.related-card h3{font-size:17px;line-height:1.65;margin:0;}
.related-card h3 a{color:var(--ink);}
.related-card h3 a:hover{color:var(--coral-dark);}
.related-card .more{font-size:13px;color:var(--coral-dark);font-weight:600;margin-top:auto;}
.related-empty{
  border:1px dashed #d9cdbf;border-radius:var(--radius-card);padding:34px 22px;text-align:center;
  background:#fff;color:var(--muted);font-size:14.5px;
}
/* faq */
.faq-list{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(226,85,63,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 20px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q .plus{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid rgba(226,85,63,.4);color:var(--coral);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--coral);color:#fff;border-color:var(--coral);}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.92;color:#4a433c;background:#fffdfa;}
.faq-item.open .faq-a{display:block;}
/* editorial */
.editorial{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
.editorial p{font-size:15px;line-height:1.95;color:#4a433c;margin:0 0 18px;max-width:620px;}
.badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-block;background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:6px 14px;font-size:13px;color:#4a433c;
}
.editorial-media img{border-radius:var(--radius-img);box-shadow:var(--shadow-2);aspect-ratio:4/3;object-fit:cover;}
/* back cta */
.back-cta{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.back-cta h2{font-size:22px;margin:0 0 8px;}
.back-cta p{font-size:14.5px;color:var(--muted);margin:0;}
.back-cta .actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.text-link{font-size:14.5px;font-weight:600;color:var(--coral-dark);border-bottom:1px solid rgba(226,85,63,.4);}
.text-link:hover{color:var(--teal);border-bottom-color:rgba(31,111,92,.5);}
/* footer */
.site-footer{background:var(--ink);color:#EFE7DC;padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.5fr;gap:32px;padding-bottom:34px;}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px;font-family:var(--sans);font-weight:600;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:#C9BFB2;margin-bottom:9px;line-height:1.7;}
.footer-col a:hover{color:var(--coral);}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:#A79C8E;}
.footer-brand p{font-size:13.5px;color:#B3A897;line-height:1.85;margin:12px 0 0;max-width:280px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:#9C9184;line-height:1.8;
}
@media (max-width:1199px){
  .article-head h1{font-size:34px;}
  .footer-grid{grid-template-columns:repeat(3,1fr);}
  .footer-brand{grid-column:span 3;}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr;gap:34px;}
  .article-side{position:static;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .safety-list{grid-template-columns:1fr;}
  .editorial{grid-template-columns:1fr;}
  .section{padding:52px 0;}
}
@media (max-width:767px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:var(--bg);border-bottom:1px solid var(--line);padding:6px 16px 16px;
    box-shadow:var(--shadow-2);gap:0;
  }
  .site-nav.open{display:flex;}
  .site-nav a{padding:14px 6px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;}
  .site-nav a::after{display:none;}
  .site-nav .nav-cta{margin:14px 0 4px;text-align:center;justify-content:center;border-bottom:none;}
  .article-hero{padding:28px 0 24px;}
  .article-head h1{font-size:27px;line-height:1.45;}
  .hero-cover img{aspect-ratio:16/10;}
  .article-body{font-size:15.5px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .back-cta{padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:span 2;}
  .container{padding:0 16px;}
}
@media (max-width:520px){
  .back-cta .actions{width:100%;}
  .back-cta .actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
}

/* roulang page: category1 */
:root{
  --coral:#E2553F;
  --coral-dark:#C9452F;
  --teal:#1F6F5C;
  --amber:#F0A73C;
  --bg:#FBF7F2;
  --bg-alt:#F1EAE1;
  --ink:#1C1A17;
  --muted:#6E665E;
  --line:#E4DACD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:0 12px 28px -12px rgba(0,0,0,0.06);
  --shadow-lift:0 18px 36px -16px rgba(0,0,0,0.16);
  --container:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--coral-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
h1,h2,h3{font-family:var(--serif);font-weight:700;color:var(--ink);line-height:1.35;}
p{margin:0 0 16px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.brand-mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;padding:8px 12px;font-size:15px;color:#3a3530;border-radius:8px;}
.site-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.site-nav a:hover{color:var(--coral-dark);}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--coral-dark);font-weight:600;}
.site-nav .nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:999px;background:var(--coral);color:#fff;font-weight:600;
  box-shadow:0 10px 18px -12px rgba(226,85,63,.9);transition:transform .2s ease,background .2s ease;
}
.site-nav .nav-cta::after{display:none;}
.site-nav .nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ============ buttons / tags ============ */
.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;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 22px -14px rgba(226,85,63,.95);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(226,85,63,1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:rgba(226,85,63,.45);transform:translateY(-2px);color:var(--coral-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.tag{display:inline-block;background:var(--bg-alt);color:#4a433c;font-size:13px;padding:3px 10px;border-radius:6px;line-height:1.6;}
.tag--accent{background:rgba(226,85,63,.1);color:var(--coral-dark);}
.tag--teal{background:rgba(31,111,92,.1);color:var(--teal);}
/* ============ 分类标题带 ============ */
.cat-band{
  position:relative;
  padding:40px 0 34px;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-band::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:320px;height:220px;
  background:
    linear-gradient(to top,rgba(28,26,23,.06) 0%,rgba(28,26,23,0) 100%),
    repeating-linear-gradient(90deg,rgba(28,26,23,.08) 0 2px,transparent 2px 26px);
  opacity:.5;pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--coral-dark);}
.crumb .sep{color:#b9ad9e;}
.cat-band h1{
  font-size:40px;letter-spacing:.4px;margin:0 0 14px;max-width:820px;
}
.cat-band .cat-lead{
  font-size:16px;color:#4a433c;max-width:720px;margin:0;
}
.cat-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;
}
.cat-meta .pill{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 16px;font-size:13px;color:#4a433c;box-shadow:var(--shadow-1);
}
.cat-meta .pill i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;}
/* ============ 筛选条 ============ */
.filter-bar{
  background:#fff;border-bottom:1px solid var(--line);
  padding:14px 0;
}
.filter-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.filter-tags{display:flex;gap:8px;flex-wrap:wrap;flex:1 1 420px;}
.filter-tags a{
  display:inline-block;font-size:14px;color:#3a3530;background:var(--bg-alt);
  border:1px solid transparent;border-radius:999px;padding:6px 14px;transition:.18s ease;
}
.filter-tags a:hover{background:rgba(226,85,63,.1);color:var(--coral-dark);border-color:rgba(226,85,63,.35);}
.filter-tags a.is-on{background:rgba(226,85,63,.12);color:var(--coral-dark);border-color:rgba(226,85,63,.35);font-weight:600;}
.filter-side{display:flex;align-items:center;gap:12px;}
.sort-switch{display:inline-flex;background:var(--bg-alt);border-radius:999px;padding:3px;}
.sort-switch button{
  border:none;background:transparent;font-size:14px;color:#4a433c;padding:6px 16px;border-radius:999px;cursor:pointer;transition:.18s ease;
}
.sort-switch button.is-on{background:#fff;color:var(--coral-dark);font-weight:600;box-shadow:var(--shadow-1);}
.result-count{font-size:13px;color:var(--muted);white-space:nowrap;}
/* ============ 通用 section ============ */
.section{padding:72px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:30px;margin:0 0 10px;}
.section-head p{font-size:15px;color:var(--muted);margin:0;}
/* ============ 列表 ============ */
.post-list{display:flex;flex-direction:column;gap:18px;}
.post-row{
  display:grid;grid-template-columns:250px 1fr;gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-row:hover{transform:translateY(-4px);border-color:rgba(226,85,63,.3);box-shadow:var(--shadow-2);}
.post-thumb{display:block;border-radius:var(--radius-img);overflow:hidden;background:var(--bg-alt);}
.post-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.post-row:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.post-date{font-size:13px;color:var(--muted);}
.post-title{font-size:21px;margin:0 0 8px;line-height:1.5;}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--coral-dark);}
.post-desc{
  font-size:15px;color:var(--muted);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--coral-dark);}
.post-more:hover{color:var(--teal);}
.empty-card{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
  padding:46px 24px;text-align:center;color:var(--muted);font-size:15px;
}
/* ============ 说明正文 ============ */
.note-block{max-width:820px;}
.note-block h2{font-size:28px;margin:0 0 16px;}
.note-block p{font-size:16px;line-height:1.95;color:#3a3530;}
.note-block p:last-child{margin-bottom:0;}
/* ============ 相关专题 ============ */
.topic-strip{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 26px;box-shadow:var(--shadow-1);
}
.topic-strip h2{font-size:19px;margin:0;flex:none;}
.topic-links{display:flex;gap:10px;flex-wrap:wrap;}
.topic-links a{
  font-size:14px;color:var(--teal);background:rgba(31,111,92,.08);
  border-radius:999px;padding:6px 16px;transition:.18s ease;
}
.topic-links a:hover{background:rgba(31,111,92,.16);color:var(--teal);}
.topic-note{font-size:14px;color:var(--muted);margin:0;flex:1 1 260px;}
/* ============ 安全提示条 ============ */
.safety-band{
  background:rgba(240,167,60,.1);
  border-top:1px solid rgba(240,167,60,.35);
  border-bottom:1px solid rgba(240,167,60,.35);
  padding:34px 0;
}
.safety-inner{display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;}
.safety-icon{
  width:56px;height:56px;border-radius:14px;background:#fff;border:1px solid rgba(240,167,60,.5);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);
}
.safety-icon svg{width:26px;height:26px;stroke:#B87B12;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.safety-band h2{font-size:20px;margin:0 0 10px;font-family:var(--serif);}
.safety-list{display:flex;flex-wrap:wrap;gap:10px 28px;margin:0;padding:0;list-style:none;}
.safety-list li{font-size:15px;color:#5a4a2e;display:flex;align-items:center;gap:8px;}
.safety-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:#C08A21;flex:none;}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(226,85,63,.3);}
.faq-item.is-open{border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;background:transparent;border:none;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
}
.faq-q .plus{
  flex:none;width:22px;height:22px;position:relative;transition:transform .2s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--coral);border-radius:2px;
}
.faq-q .plus::before{left:0;right:0;top:10px;height:2px;}
.faq-q .plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:#4a433c;background:var(--bg);}
/* ============ 收尾 CTA ============ */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px 36px;box-shadow:var(--shadow-2);
}
.cta-card h2{font-size:24px;margin:0 0 8px;}
.cta-card p{margin:0;font-size:15px;color:var(--muted);}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.text-link{font-size:15px;font-weight:600;color:var(--coral-dark);}
.text-link:hover{color:var(--teal);text-decoration:underline;text-underline-offset:3px;}
/* ============ footer ============ */
.site-footer{background:var(--ink);color:#EFE7DD;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.4fr;gap:32px;padding-bottom:34px;}
.footer-col h3{font-size:15px;color:#fff;font-family:var(--sans);font-weight:600;margin:0 0 14px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:#BFB4A7;padding:5px 0;transition:color .18s ease;}
.footer-col a:hover{color:var(--coral);}
.footer-brand .brand-mark{color:#fff;font-family:var(--serif);font-size:20px;display:block;}
.footer-brand .brand-sub{color:#8E8478;letter-spacing:2px;font-size:12px;display:block;margin-bottom:12px;}
.footer-brand p{font-size:13px;line-height:1.85;color:#BFB4A7;margin:0;max-width:280px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9A9083;
}
/* ============ responsive ============ */
@media (max-width:1199px){
  .cat-band h1{font-size:34px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 18px;
    box-shadow:var(--shadow-2);gap:0;
  }
  .site-nav.open{display:flex;}
  .site-nav a{padding:15px 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;}
  .site-nav a::after{display:none;}
  .site-nav .nav-cta{margin:14px 0 0;text-align:center;border-bottom:none;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-brand{grid-column:1 / -1;}
  .post-row{grid-template-columns:200px 1fr;gap:20px;}
  .section{padding:56px 0;}
  .safety-inner{grid-template-columns:1fr;}
  .safety-icon{display:none;}
}
@media (max-width:767px){
  .cat-band{padding:28px 0 26px;}
  .cat-band h1{font-size:28px;}
  .cat-band .cat-lead{font-size:15px;}
  .post-row{grid-template-columns:1fr;padding:14px;}
  .post-thumb img{aspect-ratio:16/9;}
  .post-title{font-size:19px;}
  .filter-inner{gap:12px;}
  .filter-side{width:100%;justify-content:space-between;}
  .cta-card{padding:26px 22px;}
  .cta-card h2{font-size:21px;}
  .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px;}
  .cta-actions .text-link{text-align:center;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .topic-strip{padding:18px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .section-head h2{font-size:24px;}
  .note-block h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;}
  .cat-meta .pill{font-size:12px;}
}

/* roulang page: category3 */
:root{
  --coral:#E2553F;
  --coral-dark:#C9452F;
  --teal:#1F6F5C;
  --amber:#F0A73C;
  --bg:#FBF7F2;
  --bg-alt:#F1EAE1;
  --ink:#1C1A17;
  --muted:#6E665E;
  --line:#E4DACD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:0 12px 28px -12px rgba(0,0,0,0.06);
  --shadow-lift:0 18px 36px -16px rgba(0,0,0,0.16);
  --container:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);}
a{color:var(--coral-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
a:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
p{margin:0 0 16px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.brand-mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;padding:8px 12px;font-size:15px;color:#3a3530;border-radius:8px;}
.site-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.site-nav a:hover{color:var(--coral-dark);}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--coral-dark);font-weight:600;}
.site-nav .nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:999px;background:var(--coral);color:#fff;font-weight:600;
  box-shadow:0 10px 18px -12px rgba(226,85,63,.9);transition:transform .2s ease,background .2s ease;
}
.site-nav .nav-cta::after{display:none;}
.site-nav .nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== buttons / tags ===== */
.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;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 22px -14px rgba(226,85,63,.95);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(226,85,63,1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:rgba(226,85,63,.45);transform:translateY(-2px);color:var(--coral-dark);}
.tag{display:inline-block;background:var(--bg-alt);color:#4a433c;font-size:13px;padding:3px 10px;border-radius:6px;line-height:1.6;}
.tag--accent{background:rgba(226,85,63,.1);color:var(--coral-dark);}
.tag--teal{background:rgba(31,111,92,.1);color:var(--teal);}
.tag--amber{background:rgba(240,167,60,.16);color:#8A5A10;}

/* ===== page head ===== */
.page-head{
  padding:38px 0 44px;
  background:linear-gradient(180deg,#FBF7F2 0%,#F3ECE3 100%);
  border-bottom:1px solid var(--line);
}
.crumb{font-size:13px;color:var(--muted);margin-bottom:20px;letter-spacing:.3px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--coral-dark);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{margin:0 8px;color:#C4B8AA;}
.page-head-inner{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.page-head-main{max-width:780px;}
.page-kicker{
  display:inline-flex;align-items:center;gap:8px;background:rgba(31,111,92,.1);color:var(--teal);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:16px;
}
.page-head h1{font-size:38px;line-height:1.38;margin:0 0 16px;letter-spacing:.3px;}
.page-lead{font-size:16px;line-height:1.95;color:#4a433c;margin:0;max-width:680px;}
.page-stats{
  font-size:13px;color:var(--muted);text-align:right;line-height:2;white-space:nowrap;
  border-left:1px solid var(--line);padding-left:24px;
}
.page-stats strong{display:block;font-family:var(--serif);font-size:26px;color:var(--coral);line-height:1.2;}

/* ===== filter ===== */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);}
.filter-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 0;}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;}
.filter-tab{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:#4a433c;cursor:pointer;transition:.18s ease;line-height:1.6;
}
.filter-tab:hover{border-color:rgba(226,85,63,.45);color:var(--coral-dark);}
.filter-tab.is-on{background:rgba(226,85,63,.1);border-color:rgba(226,85,63,.4);color:var(--coral-dark);font-weight:600;}
.filter-meta{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:13px;color:var(--muted);}
.filter-sort{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;}
.filter-sort span{padding:4px 14px;font-size:13px;color:var(--muted);}
.filter-sort span.on{background:var(--bg-alt);color:var(--ink);font-weight:600;}

/* ===== sections ===== */
.section{padding:64px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:44px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:28px;margin:0 0 10px;line-height:1.4;}
.section-head p{font-size:15px;color:var(--muted);margin:0;line-height:1.9;}

/* ===== doc list ===== */
.doc-list{display:grid;gap:16px;}
.doc-item{
  display:grid;grid-template-columns:92px 1fr;gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 30px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.doc-item:hover{transform:translateY(-3px);border-color:rgba(226,85,63,.3);box-shadow:var(--shadow-lift);}
.doc-num{
  font-family:var(--serif);font-size:34px;font-weight:700;line-height:1;
  color:var(--coral);opacity:.85;letter-spacing:1px;padding-top:4px;
}
.doc-body h3{font-size:20px;margin:0 0 10px;line-height:1.5;}
.doc-body p{margin:0 0 12px;font-size:15px;line-height:1.95;color:#403A34;}
.doc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px;}

/* ===== prose ===== */
.prose-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;}
.prose-block h2{font-size:26px;margin:0 0 18px;line-height:1.45;}
.prose-block p{font-size:15px;line-height:2;color:#403A34;margin:0 0 16px;}
.prose-block p:last-child{margin-bottom:0;}
.prose-figure{margin:0;}
.prose-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-2);}
.prose-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.8;}

/* ===== topic band ===== */
.topic-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 30px;display:flex;gap:28px;justify-content:space-between;align-items:center;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.topic-band h3{font-size:19px;margin:0 0 8px;}
.topic-band p{font-size:14px;color:var(--muted);margin:0;line-height:1.9;max-width:460px;}
.topic-tags{display:flex;gap:10px;flex-wrap:wrap;max-width:520px;}
.topic-tags a{
  display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:999px;
  font-size:14px;color:#3a3530;background:var(--bg);transition:.18s ease;
}
.topic-tags a:hover{background:rgba(226,85,63,.08);border-color:rgba(226,85,63,.4);color:var(--coral-dark);transform:translateY(-2px);}

/* ===== safety strip ===== */
.safety-strip{
  background:rgba(240,167,60,.13);
  border-top:1px solid rgba(240,167,60,.4);
  border-bottom:1px solid rgba(240,167,60,.4);
  padding:38px 0;
}
.safety-inner{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start;}
.safety-icon{
  width:54px;height:54px;border-radius:14px;background:rgba(240,167,60,.3);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);
  font-size:24px;font-weight:700;color:#8A5A10;flex:none;
}
.safety-inner h2{font-size:22px;margin:0 0 14px;}
.safety-list{list-style:none;display:grid;gap:10px;margin:0;}
.safety-list li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.9;color:#4a3f2c;
}
.safety-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:#C98318;
}

/* ===== faq ===== */
.faq-list{display:grid;gap:10px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(226,85,63,.3);}
.faq-item.is-open{border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:58px;padding:14px 22px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--coral-dark);}
.faq-sign{
  flex:none;width:22px;height:22px;position:relative;transition:transform .2s ease-out;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--coral);border-radius:2px;
}
.faq-sign::before{left:0;top:10px;width:22px;height:2px;}
.faq-sign::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.95;color:#4a433c;background:var(--bg);border-top:1px solid var(--line);padding-top:16px;}

/* ===== cta ===== */
.cta-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:38px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-card h2{font-size:25px;margin:0 0 10px;line-height:1.45;}
.cta-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.9;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-back{font-size:14px;color:var(--muted);text-decoration:underline;text-underline-offset:4px;}
.cta-back:hover{color:var(--coral-dark);}

/* ===== footer ===== */
.site-footer{background:#1C1A17;color:#EDE6DD;padding:60px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) 1.5fr;gap:32px;padding-bottom:42px;
}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px;font-weight:600;letter-spacing:.5px;}
.footer-col a{display:block;color:#B9AFA4;font-size:14px;padding:5px 0;line-height:1.7;}
.footer-col a:hover{color:var(--coral);text-decoration:underline;text-underline-offset:3px;}
.footer-brand{display:flex;flex-direction:column;}
.footer-brand .brand-mark{color:#fff;font-size:20px;}
.footer-brand .brand-sub{color:#9E948A;margin-top:4px;}
.footer-brand p{font-size:14px;color:#B9AFA4;line-height:1.9;margin:14px 0 0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9E948A;line-height:1.8;
}

/* ===== responsive ===== */
@media (max-width:1199px){
  .page-head h1{font-size:34px;}
  .prose-grid{gap:32px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:#FBF7F2;border-bottom:1px solid var(--line);padding:8px 20px 18px;
    box-shadow:var(--shadow-2);gap:0;
  }
  .site-nav.is-open{display:flex;}
  .site-nav a{padding:14px 4px;font-size:15px;border-radius:0;border-bottom:1px solid var(--line);}
  .site-nav a::after{display:none;}
  .site-nav .nav-cta{margin:14px 0 0;text-align:center;border-bottom:0;justify-content:center;display:flex;}
  .page-head h1{font-size:30px;}
  .page-head-inner{gap:22px;}
  .page-stats{border-left:0;padding-left:0;text-align:left;white-space:normal;}
  .prose-grid{grid-template-columns:1fr;}
  .prose-figure{order:-1;}
  .doc-item{grid-template-columns:70px 1fr;gap:18px;padding:22px;}
  .doc-num{font-size:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section--tight{padding:34px 0;}
  .page-head{padding:28px 0 34px;}
  .page-head h1{font-size:26px;line-height:1.45;}
  .page-lead{font-size:15px;}
  .section-head h2{font-size:23px;}
  .doc-item{grid-template-columns:1fr;gap:10px;}
  .doc-num{font-size:26px;}
  .doc-body h3{font-size:18px;}
  .topic-band{padding:22px;flex-direction:column;align-items:flex-start;}
  .safety-inner{grid-template-columns:1fr;gap:16px;}
  .cta-card{padding:26px;}
  .cta-card h2{font-size:21px;}
  .filter-meta{margin-left:0;}
  .faq-q{font-size:16px;padding:12px 16px;}
  .faq-a-inner{padding-left:16px;padding-right:16px;}
}
@media (max-width:520px){
  .brand-mark{font-size:19px;}
  .brand-sub{font-size:11px;letter-spacing:1.4px;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .page-stats strong{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --coral:#E2553F;
  --coral-dark:#C9452F;
  --teal:#1F6F5C;
  --amber:#F0A73C;
  --bg:#FBF7F2;
  --bg-alt:#F1EAE1;
  --ink:#1C1A17;
  --muted:#6E665E;
  --line:#E4DACD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:0 12px 28px -12px rgba(0,0,0,0.06);
  --shadow-lift:0 18px 36px -16px rgba(0,0,0,0.16);
  --container:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;}
body{
  margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.35;letter-spacing:.3px;color:var(--ink);}
p{margin:0 0 1em;}
img{max-width:100%;display:block;}
a{color:var(--coral-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%;}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.brand-mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:4px;}
.site-nav a{position:relative;padding:8px 12px;font-size:15px;color:#3a3530;border-radius:8px;}
.site-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.site-nav a:hover{color:var(--coral-dark);}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--coral-dark);font-weight:600;}
.site-nav .nav-cta{margin-left:10px;padding:10px 20px;border-radius:999px;background:var(--coral);color:#fff;font-weight:600;box-shadow:0 10px 18px -12px rgba(226,85,63,.9);transition:transform .2s ease,background .2s ease;}
.site-nav .nav-cta::after{display:none;}
.site-nav .nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ---------- category hero ---------- */
.cat-hero{
  position:relative;padding:40px 0 48px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(251,247,242,.97) 0%,rgba(251,247,242,.93) 58%,rgba(251,247,242,.82) 100%),url('/assets/images/6750e99cd49f0c7b.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--coral-dark);}
.breadcrumb .sep{color:#c3b8aa;}
.cat-hero-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:44px;align-items:end;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(226,85,63,.1);color:var(--coral-dark);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;}
.cat-hero h1{font-size:40px;margin:16px 0 16px;max-width:760px;}
.cat-lead{font-size:16px;line-height:1.95;color:#4a433c;max-width:660px;margin:0;}
.cat-stats{display:grid;gap:12px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-1);}
.stat-card strong{display:block;font-size:15px;font-weight:600;color:var(--ink);}
.stat-card span{font-size:13px;color:var(--muted);}
/* ---------- filter bar ---------- */
.filter-bar{position:sticky;top:72px;z-index:40;background:rgba(241,234,225,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 0;}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.filter-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-label{font-size:13px;color:var(--muted);margin-right:4px;}
.chip{display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:#413b34;line-height:1.7;transition:.2s;}
.chip:hover{border-color:rgba(226,85,63,.45);color:var(--coral-dark);}
.chip.active{background:var(--coral);border-color:var(--coral);color:#fff;font-weight:600;}
.filter-sort{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.sort-btn{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 16px;font-size:13px;color:#413b34;cursor:pointer;transition:.2s;}
.sort-btn:hover{border-color:rgba(226,85,63,.45);color:var(--coral-dark);}
.sort-btn.active{background:rgba(31,111,92,.1);border-color:rgba(31,111,92,.35);color:var(--teal);font-weight:600;}
.filter-count{font-size:13px;color:var(--muted);}
/* ---------- sections ---------- */
.section{padding:72px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:30px;margin:0 0 12px;}
.section-head p{font-size:15px;color:var(--muted);margin:0;line-height:1.9;}
.section-head--row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}
.tag{display:inline-block;background:var(--bg-alt);color:#4a433c;font-size:13px;padding:3px 10px;border-radius:6px;line-height:1.7;}
.tag--accent{background:rgba(226,85,63,.1);color:var(--coral-dark);}
.tag--teal{background:rgba(31,111,92,.1);color:var(--teal);}
/* ---------- waterfall cards ---------- */
.waterfall{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;align-items:start;}
.wf-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(226,85,63,.3);}
.wf-media{overflow:hidden;background:var(--bg-alt);}
.wf-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.wf-card:hover .wf-media img{transform:scale(1.04);}
.ratio-wide img{aspect-ratio:16/10;}
.ratio-square img{aspect-ratio:1/1;}
.ratio-tall img{aspect-ratio:4/5;}
.wf-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.wf-body h3{font-size:20px;line-height:1.5;}
.wf-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.8;}
.wf-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:6px;padding-top:12px;border-top:1px dashed var(--line);}
.wf-meta span{display:inline-flex;align-items:center;gap:6px;}
.wf-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--coral);opacity:.6;}
/* ---------- prose ---------- */
.prose{max-width:760px;}
.prose h2{font-size:26px;margin:0 0 18px;}
.prose h3{font-size:20px;margin:32px 0 12px;padding-left:12px;border-left:3px solid var(--coral);}
.prose p{font-size:16px;line-height:1.95;color:#413b34;}
.prose p:last-child{margin-bottom:0;}
/* ---------- topic band ---------- */
.topic-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px 34px;display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:center;box-shadow:var(--shadow-1);}
.topic-band h2{font-size:24px;margin:0 0 10px;}
.topic-band p{font-size:14px;color:var(--muted);margin:0;line-height:1.85;}
.topic-tags{display:flex;flex-wrap:wrap;gap:10px;}
.topic-tag{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg);font-size:14px;color:#413b34;transition:.2s;}
.topic-tag:hover{border-color:rgba(226,85,63,.45);color:var(--coral-dark);background:#fff;transform:translateY(-2px);}
/* ---------- safety strip ---------- */
.safety-strip{background:rgba(240,167,60,.11);border-top:1px solid rgba(240,167,60,.35);border-bottom:1px solid rgba(240,167,60,.35);padding:40px 0;}
.safety-inner{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;}
.safety-icon{width:46px;height:46px;border-radius:12px;background:var(--amber);color:#3a2a08;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:22px;font-weight:700;flex:none;}
.safety-inner h2{font-size:22px;margin:0 0 12px;}
.safety-list{margin:0;padding:0;list-style:none;}
.safety-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.9;color:#4a3c1f;margin-bottom:8px;}
.safety-list li:last-child{margin-bottom:0;}
.safety-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--amber);}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px;max-width:860px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:rgba(226,85,63,.4);box-shadow:var(--shadow-2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;min-height:58px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .2s ease;}
.faq-q:hover{color:var(--coral-dark);}
.faq-icon{position:relative;width:16px;height:16px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--coral);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);}
/* ---------- cta ---------- */
.cta-card{background:var(--coral);color:#fff;border-radius:22px;padding:44px 46px;display:grid;grid-template-columns:1.5fr .5fr;gap:30px;align-items:center;box-shadow:0 24px 50px -32px rgba(226,85,63,.95);}
.cta-card h2{color:#fff;font-size:28px;margin:0 0 12px;}
.cta-card p{color:rgba(255,255,255,.9);margin:0 0 24px;font-size:15px;line-height:1.85;max-width:560px;}
.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;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 22px -14px rgba(226,85,63,.95);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:rgba(226,85,63,.45);transform:translateY(-2px);color:var(--coral-dark);}
.btn-white{background:#fff;color:var(--coral-dark);}
.btn-white:hover{background:#fff;color:var(--coral);transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(0,0,0,.35);}
.cta-side{text-align:right;}
.cta-back{display:inline-block;color:#fff;font-size:14px;border-bottom:1px solid rgba(255,255,255,.55);padding-bottom:3px;}
.cta-back:hover{color:#fff;border-bottom-color:#fff;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#EFE7DC;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.5fr;gap:30px;}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px;font-family:var(--sans);font-weight:600;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:#BDB2A6;margin-bottom:9px;line-height:1.7;}
.footer-col a:hover{color:var(--coral);}
.footer-brand .brand-mark{color:#fff;font-size:22px;}
.footer-brand .brand-sub{color:#9C9186;}
.footer-brand p{font-size:13px;color:#BDB2A6;line-height:1.85;margin:12px 0 0;}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9C9186;line-height:1.8;}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:36px;}
  .footer-grid{grid-template-columns:repeat(3,1fr);}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .header-inner{height:64px;}
  .nav-toggle{display:flex;}
  .site-nav{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);padding:6px 16px 16px;max-height:calc(100vh - 64px);overflow-y:auto;}
  .site-nav.open{display:flex;}
  .site-nav a{padding:14px 8px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px;}
  .site-nav a::after{display:none;}
  .site-nav a.active{color:var(--coral-dark);}
  .site-nav .nav-cta{margin:14px 0 0;text-align:center;border-bottom:none;}
  .filter-bar{top:64px;}
  .cat-hero{padding:32px 0 40px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;align-items:start;}
  .cat-hero h1{font-size:32px;}
  .cat-stats{grid-template-columns:repeat(3,1fr);display:grid;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .topic-band{grid-template-columns:1fr;padding:26px;}
  .cta-card{grid-template-columns:1fr;padding:34px;text-align:left;}
  .cta-side{text-align:left;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .cat-hero h1{font-size:27px;margin:14px 0 12px;}
  .cat-lead{font-size:15px;}
  .cat-stats{grid-template-columns:1fr;}
  .filter-bar{position:static;}
  .filter-inner{gap:12px;}
  .waterfall{grid-template-columns:1fr;gap:20px;}
  .ratio-tall img,.ratio-square img,.ratio-wide img{aspect-ratio:16/10;}
  .wf-body h3{font-size:18px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
  .safety-inner{grid-template-columns:1fr;gap:14px;}
  .faq-q{font-size:15.5px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-card{padding:28px 22px;border-radius:18px;}
  .cta-card h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .cta-card .btn{width:100%;}
  .topic-tags{gap:8px;}
  .topic-tag{padding:8px 13px;font-size:13px;}
}