/* roulang page: index */
:root{
    --ink:#0F2E27;
    --ink-soft:#1B4038;
    --sand:#E7DDCE;
    --sand-light:#F1ECE4;
    --terracotta:#C4663B;
    --ivory:#FAF8F5;
    --text:#14201C;
    --muted:#5F6B65;
    --line:#DDD4C8;
    --line-weak:rgba(15,46,39,.10);
    --radius-card:14px;
    --radius-input:10px;
    --radius-btn:999px;
    --shadow-soft:0 10px 30px rgba(15,46,39,.06);
    --shadow-hover:0 18px 50px rgba(15,46,39,.12);
    --ease:.22s ease;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ivory);
    color:var(--text);
    font-family:'Noto Sans SC','PingFang SC',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  h1,h2,h3,h4{font-family:'Noto Serif SC','Songti SC',serif;font-weight:700;margin:0;letter-spacing:-0.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--terracotta);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1220px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(250,248,245,.86);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-weak);
  }
  .nav-inner{display:flex;align-items:center;gap:18px;height:68px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{width:10px;height:10px;background:var(--terracotta);transform:rotate(45deg);border-radius:2px;}
  .brand-text{font-family:'Noto Serif SC',serif;font-weight:700;font-size:19px;letter-spacing:-0.02em;color:var(--ink);white-space:nowrap;}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:14px;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
    font-size:15px;font-weight:500;color:var(--muted);border-radius:8px;transition:color var(--ease);
  }
  .nav-link::after{
    content:'';position:absolute;left:14px;right:14px;bottom:8px;height:2px;background:var(--terracotta);
    transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);font-weight:700;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .command-search{
    display:none;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
    background:var(--sand-light);border:1px solid var(--line-weak);border-radius:10px;
    min-width:230px;transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  @media (min-width:1024px){.command-search{display:flex;}}
  .command-search:focus-within{background:#fff;border-color:var(--terracotta);box-shadow:0 0 0 3px rgba(196,102,59,.18);}
  .command-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text);}
  .command-search input::placeholder{color:#8B948E;}
  .kbd{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;line-height:1;
    padding:4px 6px;border-radius:6px;background:#fff;border:1px solid var(--line);color:var(--muted);
  }
  .icon-btn{
    display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line-weak);background:var(--sand-light);color:var(--ink);
    transition:background var(--ease),color var(--ease);
  }
  @media (min-width:1024px){.icon-btn{display:inline-flex;}}
  .icon-btn:hover{background:var(--ink);color:var(--ivory);}
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--ink);color:var(--ivory);font-size:15px;font-weight:600;letter-spacing:.01em;
    padding:0 22px;height:46px;border-radius:var(--radius-btn);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary:hover{background:var(--terracotta);transform:translateY(-1px);box-shadow:var(--shadow-soft);}
  .btn-primary:active{transform:translateY(0);}
  .btn-primary.sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:transparent;color:var(--ivory);font-size:15px;font-weight:600;
    padding:0 22px;height:46px;border-radius:var(--radius-btn);border:1px solid rgba(250,248,245,.6);
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .btn-ghost:hover{background:var(--ivory);color:var(--ink);border-color:var(--ivory);transform:translateY(-1px);}
  .btn-outline{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:transparent;color:var(--ink);font-size:15px;font-weight:600;
    padding:0 22px;height:46px;border-radius:var(--radius-btn);border:1px solid var(--ink);
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .btn-outline:hover{background:var(--ink);color:var(--ivory);transform:translateY(-1px);}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-weak);color:var(--ink);background:var(--sand-light);}
  @media (min-width:1024px){.menu-btn{display:none;}}
  .drawer-mask{position:fixed;inset:0;background:rgba(15,46,39,.45);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:60;}
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--ivory);
    transform:translateX(100%);transition:transform .28s ease;z-index:61;display:flex;flex-direction:column;
    box-shadow:-12px 0 40px rgba(15,46,39,.16);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line-weak);}
  .drawer-body{padding:12px 12px 0;}
  .drawer-link{display:flex;align-items:center;min-height:52px;padding:0 14px;border-radius:10px;font-size:18px;font-weight:500;color:var(--ink);}
  .drawer-link.active{background:var(--sand-light);font-weight:700;}
  .drawer-foot{margin-top:auto;padding:18px 20px 26px;border-top:1px solid var(--line-weak);}

  /* ---------- Hero ---------- */
  .hero{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);}
  .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2;}
  .hero-veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(15,46,39,.88) 0%,rgba(15,46,39,.72) 48%,rgba(15,46,39,.55) 100%);}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
    color:#EFE6DA;background:rgba(250,248,245,.12);border:1px solid rgba(250,248,245,.24);
    padding:7px 14px;border-radius:999px;
  }
  .hero h1{
    color:#fff;font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.12;letter-spacing:-0.02em;
    margin:22px 0 20px;
  }
  .hero-sub{color:#D8D2C7;font-size:clamp(1rem,1.4vw,1.14rem);line-height:1.85;max-width:620px;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:52px;padding-top:22px;border-top:1px solid rgba(250,248,245,.2);}
  .hero-stat span:first-child{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.35rem;color:#fff;font-weight:700;}
  .hero-stat span:last-child{display:block;font-size:13px;color:#B9BCB4;}

  /* ---------- 通用板块 ---------- */
  .section{padding:64px 0;}
  @media (min-width:768px){.section{padding:88px 0;}}
  @media (min-width:1024px){.section{padding:104px 0;}}
  .section-sand{background:var(--sand-light);}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--terracotta);text-transform:uppercase;}
  .eyebrow::before{content:'';width:22px;height:1px;background:var(--terracotta);}
  .h2{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.24;color:var(--ink);margin-top:14px;}
  .lead{color:var(--muted);font-size:16px;line-height:1.9;max-width:720px;margin-top:16px;}

  /* ---------- 信任条 ---------- */
  .trust-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
  @media (min-width:640px){.trust-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.trust-grid{grid-template-columns:repeat(4,1fr);}}
  .trust-cell{background:var(--ivory);padding:28px 24px;}
  .trust-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.9rem;font-weight:700;color:var(--ink);line-height:1;}
  .trust-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:12px;}
  .trust-desc{font-size:13.5px;line-height:1.75;color:var(--muted);margin-top:6px;}

  /* ---------- 权益阶梯 ---------- */
  .ladder{display:grid;gap:16px;}
  @media (min-width:1024px){.ladder{grid-template-columns:repeat(2,1fr);gap:20px;}}
  .ladder-item{
    display:flex;gap:20px;align-items:flex-start;background:var(--sand-light);border:1px solid var(--line-weak);
    border-radius:var(--radius-card);padding:26px 24px;
    transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
  }
  .ladder-item:hover{background:var(--ink);color:var(--ivory);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .ladder-item:hover .ladder-title,
  .ladder-item:hover .ladder-num{color:#fff;}
  .ladder-item:hover .ladder-desc{color:#C9CFC8;}
  .ladder-item:hover .ladder-link{color:var(--terracotta);}
  .ladder-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.6rem;font-weight:700;color:var(--terracotta);line-height:1;flex-shrink:0;padding-top:4px;}
  .ladder-title{font-size:1.18rem;font-weight:700;color:var(--ink);line-height:1.4;transition:color .25s ease;}
  .ladder-desc{font-size:14.5px;line-height:1.8;color:var(--muted);margin-top:8px;transition:color .25s ease;}
  .ladder-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--terracotta);margin-top:14px;transition:color .25s ease;}
  .ladder-link svg{transition:transform .22s ease;}
  .ladder-item:hover .ladder-link svg{transform:translateX(4px);}

  /* ---------- 套餐对比 ---------- */
  .plans{display:grid;gap:20px;align-items:start;}
  @media (min-width:768px){.plans{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.plans{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .plan-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;
    box-shadow:var(--shadow-soft);transition:transform .25s ease,box-shadow .25s ease;
  }
  .plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .plan-card.dim{background:#FCFBF9;color:var(--muted);}
  .plan-card.feature{
    background:var(--ink);color:var(--ivory);border-color:var(--ink);
    box-shadow:0 22px 60px rgba(15,46,39,.22);position:relative;
  }
  @media (min-width:1024px){.plan-card.feature{margin-top:-14px;}}
  .plan-badge{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--terracotta);
    border:1px solid var(--terracotta);border-radius:999px;padding:4px 12px;
  }
  .plan-card.feature .plan-badge{color:var(--ink);background:var(--sand);border-color:var(--sand);}
  .plan-name{font-size:1.28rem;font-weight:700;margin-top:16px;color:var(--ink);}
  .plan-card.feature .plan-name{color:#fff;}
  .plan-note{font-size:14px;color:var(--muted);margin-top:6px;}
  .plan-card.feature .plan-note{color:#BFC7C1;}
  .plan-list{margin-top:22px;display:grid;gap:11px;}
  .plan-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:#32413A;}
  .plan-card.feature .plan-list li{color:#DCE2DD;}
  .plan-list svg{flex-shrink:0;margin-top:5px;color:var(--terracotta);}
  .plan-cta{margin-top:26px;display:block;width:100%;}

  /* ---------- 资讯卡片 ---------- */
  .news-grid{display:grid;gap:22px;margin-top:36px;}
  @media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
  .news-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;
    overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .25s ease,box-shadow .25s ease;
  }
  .news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand);}
  .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
  .news-card:hover .news-media img{transform:scale(1.03);}
  .news-badge{
    position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;color:var(--ink);
    background:rgba(250,248,245,.92);border-radius:999px;padding:4px 11px;
  }
  .news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
  .news-title{font-size:1.06rem;font-weight:700;line-height:1.5;color:var(--ink);transition:color .2s ease;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-card:hover .news-title{color:var(--terracotta);}
  .news-excerpt{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .news-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line-weak);
    display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
  .news-more{font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
  .news-card:hover .news-more{color:var(--terracotta);}
  .empty-state{
    margin-top:36px;border:1px dashed var(--line);border-radius:var(--radius-card);
    background:var(--sand-light);padding:56px 24px;text-align:center;color:var(--muted);
  }

  /* ---------- 限时通栏 ---------- */
  .urge{background:var(--ink);color:var(--ivory);border-radius:16px;padding:40px 28px;overflow:hidden;}
  @media (min-width:768px){.urge{padding:52px 44px;}}
  .urge-wrap{display:grid;gap:32px;align-items:center;}
  @media (min-width:1024px){.urge-wrap{grid-template-columns:1.15fr .85fr;gap:48px;}}
  .countdown{display:flex;gap:12px;}
  .count-box{
    background:rgba(250,248,245,.08);border:1px solid rgba(250,248,245,.18);border-radius:12px;
    padding:14px 8px;text-align:center;flex:1;min-width:72px;
  }
  .count-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(1.5rem,3vw,2.1rem);
    font-weight:700;color:var(--terracotta);line-height:1;}
  .count-label{font-size:12px;color:#AEB6B0;margin-top:8px;letter-spacing:.06em;}
  .urge-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;}
  .link-light{color:#E4DED3;font-size:15px;font-weight:600;border-bottom:1px solid rgba(228,222,211,.45);padding-bottom:2px;transition:color .2s ease,border-color .2s ease;}
  .link-light:hover{color:var(--terracotta);border-color:var(--terracotta);}

  /* ---------- 表单 ---------- */
  .form-label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px;}
  .form-input{
    width:100%;min-height:48px;padding:12px 14px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-input);font-size:15px;line-height:1.6;color:var(--text);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .form-input::placeholder{color:#98A09A;}
  .form-input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(196,102,59,.18);}
  .form-input.is-error{border-color:#B4432B;box-shadow:0 0 0 3px rgba(180,67,43,.14);}
  .form-msg{margin-top:14px;font-size:14px;color:var(--ink);background:var(--sand-light);
    border:1px solid var(--line);border-radius:10px;padding:12px 14px;}
  .contact-card{background:var(--ink);color:var(--ivory);border-radius:16px;padding:32px 28px;height:100%;}
  .contact-row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(250,248,245,.14);font-size:14.5px;}
  .contact-row:last-of-type{border-bottom:0;}
  .contact-key{color:#AEB6B0;}
  .contact-val{color:#fff;font-weight:600;text-align:right;}

  /* ---------- FAQ ---------- */
  .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.open{border-color:var(--ink);box-shadow:var(--shadow-soft);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    min-height:60px;padding:18px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  }
  .faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
  .faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--terracotta);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
  .faq-icon::before{left:0;top:8px;width:18px;height:2px;}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px;}
  .faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
  .faq-panel{max-height:0;overflow:hidden;transition:max-height .28s ease;}
  .faq-a{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- CTA 通栏 ---------- */
  .cta-band{background:var(--ink);color:var(--ivory);border-radius:16px;padding:44px 28px;display:grid;gap:26px;align-items:center;}
  @media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;padding:56px 52px;}}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0F2E27;color:#FAF8F5;padding:64px 0 28px;margin-top:20px;}
  .footer-grid{display:grid;gap:36px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;}}
  .footer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:16px;}
  .footer-text{font-size:14px;line-height:1.85;color:#ADB5AF;}
  .footer-link{display:inline-block;font-size:14.5px;color:#CBD2CC;padding:5px 0;transition:color .18s ease;}
  .footer-link:hover{color:var(--terracotta);}
  .footer-bottom{margin-top:46px;padding-top:20px;border-top:1px solid rgba(250,248,245,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#8E9791;}
  .footer-logo{font-family:'Noto Serif SC',serif;font-weight:700;font-size:19px;color:#fff;display:flex;align-items:center;gap:10px;}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease-out,transform .55s ease-out;}
  .reveal.is-visible{opacity:1;transform:none;}
  .hero h1,.hero-sub,.hero-cta{opacity:0;transform:translateY(12px);animation:rise .7s ease-out forwards;}
  .hero-sub{animation-delay:.08s;}
  .hero-cta{animation-delay:.16s;}
  @keyframes rise{to{opacity:1;transform:none;}}
  @media (prefers-reduced-motion: reduce){
    .reveal,.hero h1,.hero-sub,.hero-cta{opacity:1;transform:none;animation:none;transition:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
  --ink:#0F2E27;
  --ink-deep:#0B231E;
  --ink-text:#14201C;
  --sand:#E7DDCE;
  --sand-lt:#F1ECE4;
  --terra:#C4663B;
  --bg:#FAF8F5;
  --ivory:#FAF8F5;
  --muted:#5F6B65;
  --border:#DDD4C8;
  --border-weak:rgba(15,46,39,.10);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(15,46,39,.06);
  --shadow-hover:0 18px 50px rgba(15,46,39,.12);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--terra);outline-offset:2px;border-radius:6px;}
.container{max-width:1220px;margin:0 auto;padding:0 32px;width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,245,.86);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border-weak);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--ink);
  font-size:19px;font-weight:700;letter-spacing:-.015em;white-space:nowrap;
}
.brand-mark{
  width:9px;height:9px;background:var(--terra);border-radius:2px;
  transform:rotate(45deg);display:inline-block;flex:none;
}
.brand-text{line-height:1;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;font-size:15px;color:var(--muted);
  text-decoration:none;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--terra);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;border-radius:2px;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:236px;
  padding:0 12px;border-radius:10px;background:var(--sand-lt);
  border:1px solid transparent;transition:background .2s,border-color .2s,box-shadow .2s;
}
.command-search:focus-within{background:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(196,102,59,.18);}
.command-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink-text);font-family:inherit;
}
.command-search input::placeholder{color:#8b968f;}
.kbd{
  flex:none;font-size:11px;color:var(--muted);background:#fff;
  border:1px solid var(--border);border-radius:6px;padding:1px 6px;line-height:16px;
}
.icon-btn{
  width:40px;height:40px;flex:none;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s,color .2s,border-color .2s;
}
.icon-btn:hover{background:var(--ink);color:var(--ivory);border-color:var(--ink);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:var(--ivory);border:1px solid var(--ink);
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;
  letter-spacing:.01em;text-decoration:none;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:var(--terra);border-color:var(--terra);transform:translateY(-1px);box-shadow:0 10px 24px rgba(196,102,59,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary.sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  border-radius:999px;padding:11px 24px;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;transition:background .2s,color .2s,transform .2s;
}
.btn-ghost:hover{background:var(--ink);color:var(--ivory);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost.on-dark{color:var(--ivory);border-color:rgba(250,248,245,.55);}
.btn-ghost.on-dark:hover{background:var(--ivory);color:var(--ink);border-color:var(--ivory);}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--ink);text-decoration:none;position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;
  background:var(--terra);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.link-arrow:hover{color:var(--terra);}
.link-arrow:hover::after{transform:scaleX(1);}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,46,39,.45);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:60;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;z-index:61;
  background:var(--ivory);transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 22px 24px;overflow-y:auto;
  box-shadow:-20px 0 50px rgba(15,46,39,.18);
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 12px;border-radius:10px;
  font-size:18px;font-weight:600;color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--border-weak);transition:background .2s,color .2s;
}
.drawer-nav a:hover{background:var(--sand-lt);color:var(--terra);}
.drawer-nav a.active{color:var(--terra);}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn-primary{width:100%;}
.drawer-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}

/* ---------- Article page ---------- */
.page-head{padding:34px 0 0;}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);text-decoration:none;transition:color .2s;}
.crumb a:hover{color:var(--terra);}
.crumb .sep{color:#b8b1a6;}
.crumb .current{color:var(--ink);font-weight:600;}

.article-wrap{max-width:820px;margin:0 auto;}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(1.9rem,4vw,3rem);
  line-height:1.25;letter-spacing:-.015em;color:var(--ink);
  margin:22px 0 0;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;
  border-radius:999px;background:var(--sand-lt);border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--ink);text-decoration:none;
  transition:background .2s,color .2s,border-color .2s;
}
.chip:hover{background:var(--ink);color:var(--ivory);border-color:var(--ink);}
.chip-terra{background:rgba(196,102,59,.12);border-color:rgba(196,102,59,.32);color:#9c4f2b;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
  margin-top:22px;padding:16px 0;border-top:1px solid var(--border-weak);
  border-bottom:1px solid var(--border-weak);font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);display:inline-block;}

.article-body{
  font-size:16.5px;line-height:1.9;color:var(--ink-text);
  padding:38px 0 8px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-family:var(--font-serif);font-size:clamp(1.5rem,2.6vw,1.8rem);
  line-height:1.35;color:var(--ink);margin:2em 0 .7em;position:relative;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:1em;
  background:var(--terra);border-radius:2px;
}
.article-body h3{
  font-size:1.26rem;line-height:1.4;color:var(--ink);margin:1.7em 0 .55em;font-weight:700;
}
.article-body h4{font-size:1.08rem;color:var(--ink);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em;}
.article-body li{margin:.42em 0;}
.article-body li::marker{color:var(--terra);}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--sand-lt);
  border-left:3px solid var(--terra);border-radius:0 12px 12px 0;color:#3b4a44;font-size:15.8px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.5em auto;box-shadow:var(--shadow);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--terra);text-underline-offset:3px;}
.article-body a:hover{color:var(--terra);}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.4em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--sand-lt);color:var(--ink);font-weight:700;}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;background:var(--sand-lt);
  padding:2px 6px;border-radius:6px;color:#7a3d20;
}
.article-body pre{
  background:var(--ink);color:#EDE7DD;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.72;margin:1.6em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.table-wrap{overflow-x:auto;}

.empty-state{
  margin:38px 0 10px;padding:56px 28px;text-align:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--sand-lt);
  display:flex;align-items:center;justify-content:center;color:var(--terra);
}
.empty-state h2{font-family:var(--font-serif);font-size:1.4rem;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

.help-strip{
  margin:56px 0 0;background:var(--ink);color:var(--ivory);border-radius:18px;
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;box-shadow:var(--shadow);
}
.help-strip h2{font-family:var(--font-serif);font-size:clamp(1.3rem,2.4vw,1.7rem);color:var(--ivory);line-height:1.35;}
.help-strip p{font-size:14.5px;color:rgba(250,248,245,.74);margin-top:10px;max-width:560px;}
.help-actions{display:flex;gap:12px;flex-wrap:wrap;}

.section{padding:70px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-family:var(--font-serif);font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--ink);line-height:1.3;}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,46,39,.2);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sand-lt);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{
  font-size:16px;line-height:1.5;color:var(--ink);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-body h3{color:var(--terra);}
.rel-meta{font-size:13px;color:var(--muted);margin-top:auto;}
.back-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding:34px 0 0;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:var(--ivory);margin-top:96px;
  padding:70px 0 26px;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:38px;}
.footer-logo{
  display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;
  letter-spacing:-.01em;color:var(--ivory);
}
.footer-logo .brand-mark{background:var(--terra);}
.footer-title{font-size:14px;font-weight:700;color:var(--ivory);margin-bottom:16px;letter-spacing:.02em;}
.footer-text{font-size:13.5px;line-height:1.85;color:rgba(250,248,245,.66);}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-link{
  color:rgba(250,248,245,.72);text-decoration:none;font-size:13.5px;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-link:hover{color:var(--terra);padding-left:4px;}
.footer-bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(250,248,245,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(250,248,245,.5);
}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease-out,transform .55s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .command-search{width:180px;}
  .nav-links{margin-left:0;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .menu-btn{display:inline-flex;}
  .container{padding:0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .command-search.open{
    display:flex;position:absolute;left:20px;right:20px;top:72px;width:auto;z-index:55;
    box-shadow:var(--shadow-hover);background:#fff;border-color:var(--border);
  }
  .nav-inner{position:relative;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-body{font-size:16px;line-height:1.85;padding-top:30px;}
  .rel-grid{grid-template-columns:1fr;gap:18px;}
  .help-strip{padding:28px 24px;}
  .section{padding:52px 0 0;}
  .site-footer{margin-top:68px;padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-meta{gap:8px 16px;}
}
@media (max-width:520px){
  .brand{font-size:17px;}
  .btn-primary.sm{padding:8px 14px;font-size:13px;}
  .article-title{font-size:1.75rem;}
  .help-actions{width:100%;}
  .help-actions .btn-primary,.help-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0F2E27;
  --ink-soft:#164035;
  --sand:#E7DDCE;
  --sand-light:#F1ECE4;
  --terra:#C4663B;
  --bg:#FAF8F5;
  --text:#14201C;
  --muted:#5F6B65;
  --border:#DDD4C8;
  --border-weak:rgba(15,46,39,.10);
  --radius-card:16px;
  --radius-sm:10px;
  --shadow-1:0 10px 30px rgba(15,46,39,.06);
  --shadow-2:0 18px 50px rgba(15,46,39,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(196,102,59,.22);}

.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,245,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-weak);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);flex-shrink:0;}
.brand-mark{width:9px;height:9px;background:var(--terra);border-radius:2px;transform:rotate(45deg);display:inline-block;flex-shrink:0;}
.brand-text{white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:2px;margin-left:10px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 12px;font-size:15px;color:var(--muted);border-radius:8px;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--terra);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.command-search{
  display:none;align-items:center;gap:8px;height:38px;padding:0 10px;
  background:var(--sand-light);border:1px solid transparent;border-radius:var(--radius-sm);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
@media(min-width:768px){.command-search{display:flex;}}
.command-search:focus-within{background:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(196,102,59,.18);}
.command-search input{border:0;outline:none;background:transparent;width:120px;font-size:14px;}
@media(min-width:1280px){.command-search input{width:168px;}}
.command-search input::placeholder{color:#8B958F;}
.kbd{font-size:11px;line-height:1;color:var(--muted);border:1px solid var(--border);background:#fff;border-radius:5px;padding:4px 6px;}
.icon-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  background:#fff;color:var(--ink);border:1px solid var(--border);border-radius:var(--radius-sm);
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
@media(min-width:768px){.icon-btn{display:inline-flex;}}
.icon-btn:hover{background:var(--ink);color:var(--ivory);border-color:var(--ink);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:var(--ivory);border:1px solid var(--ink);
  border-radius:999px;padding:13px 26px;font-size:15.5px;font-weight:600;
  letter-spacing:.01em;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:var(--terra);border-color:var(--terra);transform:translateY(-1px);box-shadow:0 12px 26px rgba(196,102,59,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary.sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink);color:var(--ivory);transform:translateY(-1px);}
.btn-ghost.light{border-color:rgba(250,248,245,.6);color:var(--ivory);}
.btn-ghost.light:hover{background:var(--ivory);color:var(--ink);border-color:var(--ivory);}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;
}
@media(min-width:1024px){.menu-btn{display:none;}}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--terra);outline-offset:2px;
}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,46,39,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--ivory);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.61,.36,1);z-index:80;
  display:flex;flex-direction:column;padding:22px 22px 28px;box-shadow:-18px 0 50px rgba(15,46,39,.16);
}
.drawer.open{transform:translateX(0);}
.drawer-close{align-self:flex-end;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;color:var(--ink);}
.drawer-nav{margin-top:28px;display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{padding:14px 4px;font-size:18px;color:var(--ink);border-bottom:1px solid var(--border-weak);min-height:44px;display:flex;align-items:center;}
.drawer-nav a.active{color:var(--terra);font-weight:600;}
.drawer-cta{margin-top:auto;}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(15,46,39,.82) 0%,rgba(15,46,39,.62) 52%,rgba(15,46,39,.42) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:64px 0 58px;
}
.hero-cat-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media(min-width:1024px){.hero-cat-grid{grid-template-columns:1.35fr 1fr;gap:56px;}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(250,248,245,.72);margin-bottom:16px;}
.crumb a{color:rgba(250,248,245,.82);transition:color .2s ease;}
.crumb a:hover{color:var(--terra);}
.hero-cat h1{
  color:var(--ivory);font-size:clamp(2rem,4vw,3.3rem);line-height:1.16;letter-spacing:-.02em;
}
.hero-cat h1 .hl{color:#E9A97F;}
.hero-cat p.lead{
  color:rgba(250,248,245,.84);font-size:17px;line-height:1.8;margin-top:18px;max-width:640px;
}
.hero-cat .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{
  font-size:13px;color:var(--ivory);border:1px solid rgba(250,248,245,.34);
  background:rgba(250,248,245,.08);border-radius:999px;padding:6px 14px;
}
.hero-card{
  background:var(--ivory);border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--shadow-2);
}
.hero-card-title{font-size:14px;color:var(--muted);letter-spacing:.04em;}
.hero-stat{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px dashed var(--border);}
.hero-stat:last-child{border-bottom:0;padding-bottom:0;}
.hero-stat .num{font-family:var(--serif);font-size:27px;color:var(--ink);line-height:1.1;font-weight:700;}
.hero-stat .num.accent{color:var(--terra);}
.hero-stat .lbl{font-size:13.5px;color:var(--muted);text-align:right;}

/* ---------- generic blocks ---------- */
.sec{padding:clamp(56px,7.5vw,100px) 0;}
.sec.tight{padding:clamp(42px,5vw,64px) 0;}
.sec-sand{background:var(--sand-light);}
.sec-ink{background:var(--ink);color:var(--ivory);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.14em;color:var(--terra);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--terra);display:inline-block;}
.sec-title{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.24;}
.sec-sub{color:var(--muted);font-size:16px;line-height:1.85;margin-top:14px;max-width:720px;}
.sec-ink .sec-title{color:var(--ivory);}
.sec-ink .sec-sub{color:rgba(250,248,245,.76);}

/* split block */
.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media(min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:60px;}}
.split-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.check-list{margin-top:26px;display:grid;gap:14px;}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-dot{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;background:rgba(196,102,59,.14);
  color:var(--terra);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:3px;
}
.check-item h3{font-family:var(--sans);font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.check-item p{font-size:15px;color:var(--muted);line-height:1.8;margin-top:2px;}

/* trust bar */
.trust-bar{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media(min-width:900px){.trust-bar{grid-template-columns:repeat(4,1fr);gap:32px;}}
.trust-item{border-left:2px solid var(--terra);padding-left:16px;}
.trust-item .tnum{font-family:var(--serif);font-size:clamp(1.5rem,2.4vw,2rem);color:var(--ink);line-height:1.15;font-weight:700;}
.trust-item .tdesc{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* steps */
.step-list{display:flex;flex-direction:column;gap:16px;margin-top:44px;}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 24px;box-shadow:var(--shadow-1);
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
@media(min-width:768px){
  .step-item{grid-template-columns:auto 200px 1fr;gap:28px;align-items:center;padding:26px 30px;}
}
@media(min-width:1024px){
  .step-item:nth-child(1){margin-left:0;}
  .step-item:nth-child(2){margin-left:4%;}
  .step-item:nth-child(3){margin-left:8%;}
  .step-item:nth-child(4){margin-left:12%;}
}
.step-item:hover{background:var(--ink);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--terra);line-height:1;min-width:52px;}
.step-item h3{font-family:var(--serif);font-size:19px;color:var(--ink);transition:color .25s ease;}
.step-item p{font-size:15px;color:var(--muted);line-height:1.8;transition:color .25s ease;}
.step-item:hover h3{color:var(--ivory);}
.step-item:hover p{color:rgba(250,248,245,.78);}
.step-arrow{display:none;}
@media(min-width:768px){.step-arrow{display:block;text-align:right;font-size:13px;color:var(--terra);font-weight:600;}}

/* compare */
.compare-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:48px;align-items:start;}
@media(min-width:900px){.compare-grid{grid-template-columns:repeat(3,1fr);gap:26px;align-items:end;}}
.compare-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:30px 26px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.compare-card.featured{
  background:var(--ink);border-color:var(--ink);color:var(--ivory);
  transform:translateY(-12px);box-shadow:var(--shadow-2);
}
@media(max-width:899px){.compare-card.featured{transform:none;}}
.compare-card.featured:hover{transform:translateY(-14px);}
@media(max-width:899px){.compare-card.featured:hover{transform:translateY(-2px);}}
.badge{
  position:absolute;top:-12px;left:26px;background:var(--terra);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.06em;border-radius:999px;padding:5px 12px;
}
.compare-card h3{font-family:var(--serif);font-size:21px;color:var(--ink);}
.compare-card.featured h3{color:var(--ivory);}
.compare-card .cdesc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75;min-height:44px;}
.compare-card.featured .cdesc{color:rgba(250,248,245,.76);}
.cprice{font-family:var(--serif);font-size:17px;color:var(--terra);margin-top:18px;font-weight:600;}
.compare-feats{margin-top:20px;display:grid;gap:11px;}
.compare-feats li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:#2C3A34;}
.compare-card.featured .compare-feats li{color:rgba(250,248,245,.86);}
.compare-feats li::before{content:"—";color:var(--terra);flex-shrink:0;}
.compare-card .btn-primary{width:100%;margin-top:26px;}
.compare-card.featured .btn-primary{background:var(--terra);border-color:var(--terra);color:#fff;}
.compare-card.featured .btn-primary:hover{background:var(--ivory);border-color:var(--ivory);color:var(--ink);}

/* list rows */
.row-list{border-top:1px solid var(--border);}
.row-item{
  display:grid;grid-template-columns:1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--border);
  transition:background .22s ease,padding .22s ease;
}
@media(min-width:768px){
  .row-item{grid-template-columns:200px 1fr;gap:30px;align-items:center;padding:26px 16px;}
  .row-item:hover{background:var(--sand-light);}
}
.row-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--border-weak);}
.row-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.row-item:hover .row-thumb img{transform:scale(1.04);}
.row-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--terra);
  background:rgba(196,102,59,.12);border-radius:999px;padding:3px 11px;margin-bottom:10px;
}
.row-item h3{font-family:var(--serif);font-size:18.5px;color:var(--ink);line-height:1.5;}
.row-item p{font-size:14.8px;color:var(--muted);line-height:1.8;margin-top:8px;}
.row-meta{font-size:13px;color:#8B958F;margin-top:10px;}

/* faq */
.faq-wrap{max-width:880px;margin:44px auto 0;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:var(--ink);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:19px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  font-family:var(--sans);min-height:44px;line-height:1.6;
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);
  position:relative;transition:background .22s ease,border-color .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);transition:transform .25s ease,background .22s ease;
}
.faq-icon::before{width:11px;height:1.6px;transform:translate(-50%,-50%);}
.faq-icon::after{width:1.6px;height:11px;transform:translate(-50%,-50%);}
.faq-item.open .faq-icon{background:var(--terra);border-color:var(--terra);}
.faq-item.open .faq-icon::before{background:#fff;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);background:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15.3px;color:var(--muted);line-height:1.9;}

/* cta band */
.cta-band{
  background:var(--ink);color:var(--ivory);border-radius:20px;padding:clamp(34px,5vw,54px);
  display:grid;grid-template-columns:1fr;gap:30px;align-items:center;
}
@media(min-width:1024px){.cta-band{grid-template-columns:1.4fr 1fr;gap:52px;}}
.cta-band h2{color:var(--ivory);font-size:clamp(1.6rem,2.8vw,2.3rem);line-height:1.28;}
.cta-band p{color:rgba(250,248,245,.78);margin-top:14px;font-size:15.5px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{
  background:rgba(250,248,245,.07);border:1px solid rgba(250,248,245,.18);
  border-radius:16px;padding:24px;
}
.cta-side .row{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;padding:11px 0;border-bottom:1px dashed rgba(250,248,245,.2);}
.cta-side .row:last-child{border-bottom:0;}
.cta-side .row span:first-child{color:rgba(250,248,245,.66);}
.cta-side .row span:last-child{color:var(--ivory);font-weight:600;}

/* footer */
.site-footer{background:var(--ink);color:var(--ivory);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:38px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:44px;}}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ivory);}
.footer-text{font-size:14px;line-height:1.9;color:rgba(250,248,245,.66);}
.footer-title{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ivory);letter-spacing:.04em;margin-bottom:16px;}
.footer-link{display:inline-block;font-size:14px;color:rgba(250,248,245,.72);padding:5px 0;transition:color .18s ease;}
.footer-link:hover{color:var(--terra);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(250,248,245,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(250,248,245,.5);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease-out,transform .55s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:opacity .2s ease;}
  html{scroll-behavior:auto;}
  .split-media:hover img,.row-item:hover .row-thumb img{transform:none;}
}

/* roulang page: category2 */
:root{
    --ink:#0F2E27;
    --ink-2:#173B32;
    --sand:#E7DDCE;
    --sand-2:#F1ECE4;
    --terra:#C4663B;
    --bg:#FAF8F5;
    --text:#14201C;
    --muted:#5F6B65;
    --line:#DDD4C8;
    --line-soft:rgba(15,46,39,.10);
    --white:#FFFFFF;
    --radius-s:10px;
    --radius:14px;
    --radius-l:20px;
    --shadow-s:0 6px 18px rgba(15,46,39,.05);
    --shadow:0 10px 30px rgba(15,46,39,.06);
    --shadow-h:0 18px 50px rgba(15,46,39,.12);
    --serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
    --sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
    --mono:'Inter','SFMono-Regular',ui-monospace,'Menlo','Consolas',monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3,h4{
    font-family:var(--serif);
    color:var(--ink);
    margin:0;
    font-weight:700;
    letter-spacing:-.01em;
  }

  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--terra);
    outline-offset:2px;
    border-radius:4px;
  }

  .container{
    width:100%;
    max-width:1220px;
    margin:0 auto;
    padding:0 32px;
  }

  .section{padding:88px 0;}
  .section.tight{padding:60px 0;}
  .section-soft{background:var(--sand-2);}

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--terra);
    font-weight:600;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:2px;
    background:var(--terra);
    display:inline-block;
  }

  .section-title{
    font-size:clamp(1.6rem,3vw,2.4rem);
    line-height:1.22;
  }

  .section-lead{
    color:var(--muted);
    font-size:16px;
    max-width:640px;
    margin-top:14px;
  }

  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:32px;
    margin-bottom:44px;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(250,248,245,.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line-soft);
  }

  .nav-inner{
    display:flex;
    align-items:center;
    gap:28px;
    height:66px;
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:9px;
    flex:0 0 auto;
  }

  .brand-mark{
    width:10px;
    height:10px;
    background:var(--terra);
    transform:rotate(45deg);
    display:inline-block;
    border-radius:2px;
  }

  .brand-text{
    font-family:var(--serif);
    font-size:19px;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--ink);
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:8px;
  }

  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:66px;
    font-size:14.5px;
    color:var(--text);
    transition:color .2s ease;
  }

  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:18px;
    height:2px;
    background:var(--terra);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s ease;
    border-radius:2px;
  }

  .nav-link:hover{color:var(--terra);}
  .nav-link:hover::after{transform:scaleX(1);}

  .nav-link.active{
    color:var(--ink);
    font-weight:600;
  }
  .nav-link.active::after{
    transform:scaleX(1);
    background:var(--ink);
  }

  .nav-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
  }

  .command-search{
    display:flex;
    align-items:center;
    gap:8px;
    width:230px;
    height:38px;
    padding:0 10px;
    background:var(--sand-2);
    border:1px solid transparent;
    border-radius:var(--radius-s);
    transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  }

  .command-search:focus-within{
    background:#fff;
    border-color:var(--ink);
    box-shadow:0 0 0 3px rgba(196,102,59,.18);
  }

  .command-search input{
    flex:1 1 auto;
    min-width:0;
    border:0;
    background:transparent;
    outline:none;
    font-size:13.5px;
    color:var(--text);
    font-family:var(--sans);
  }

  .command-search input::placeholder{color:#8A948E;}

  .kbd{
    flex:0 0 auto;
    font-family:var(--mono);
    font-size:11px;
    color:var(--muted);
    background:#fff;
    border:1px solid var(--line);
    border-radius:5px;
    padding:1px 6px;
    line-height:1.4;
  }

  .icon-btn{
    width:38px;
    height:38px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:var(--radius-s);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    cursor:pointer;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .icon-btn:hover{
    background:var(--ink);
    border-color:var(--ink);
    color:#FAF8F5;
    transform:translateY(-1px);
  }

  .btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    font-size:15px;
    font-weight:600;
    letter-spacing:.01em;
    color:#FAF8F5;
    background:var(--ink);
    border:1px solid var(--ink);
    border-radius:999px;
    cursor:pointer;
    transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary:hover{
    background:var(--terra);
    border-color:var(--terra);
    transform:translateY(-1px);
    box-shadow:0 12px 26px rgba(196,102,59,.24);
  }
  .btn-primary:active{transform:translateY(1px);}
  .btn-primary.sm{padding:9px 18px;font-size:14px;}

  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    background:transparent;
    border:1px solid var(--ink);
    border-radius:999px;
    cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .btn-ghost:hover{
    background:var(--ink);
    color:#FAF8F5;
    transform:translateY(-1px);
  }
  .btn-ghost:active{transform:translateY(1px);}

  .btn-light{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    background:#FAF8F5;
    border:1px solid #FAF8F5;
    border-radius:999px;
    cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .btn-light:hover{
    background:var(--terra);
    border-color:var(--terra);
    color:#FAF8F5;
    transform:translateY(-1px);
  }

  .menu-btn{
    display:none;
    width:40px;
    height:40px;
    align-items:center;
    justify-content:center;
    border-radius:var(--radius-s);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    cursor:pointer;
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(15,46,39,.45);
    z-index:70;
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}

  .mobile-drawer{
    position:fixed;
    top:0;
    right:0;
    z-index:80;
    width:82vw;
    max-width:360px;
    height:100%;
    background:var(--bg);
    box-shadow:var(--shadow-h);
    transform:translateX(102%);
    transition:transform .32s ease;
    display:flex;
    flex-direction:column;
    padding:22px 22px 26px;
  }
  .mobile-drawer.open{transform:translateX(0);}

  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:18px;
    border-bottom:1px solid var(--line-soft);
  }

  .drawer-close{
    width:38px;
    height:38px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:var(--radius-s);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    cursor:pointer;
  }

  .drawer-nav{
    display:flex;
    flex-direction:column;
    gap:4px;
    margin-top:20px;
    flex:1 1 auto;
  }

  .drawer-nav a{
    display:flex;
    align-items:center;
    min-height:52px;
    padding:6px 4px;
    font-size:18px;
    font-family:var(--serif);
    color:var(--ink);
    border-bottom:1px solid var(--line-soft);
    transition:color .2s ease,padding-left .2s ease;
  }
  .drawer-nav a:hover{padding-left:10px;color:var(--terra);}
  .drawer-nav a.active{color:var(--terra);}

  .drawer-cta{margin-top:20px;width:100%;min-height:48px;}

  /* ---------- 杂志式标题区 ---------- */
  .mag-hero{
    background:var(--bg);
    padding:52px 0 0;
    border-bottom:1px solid var(--line-soft);
  }

  .breadcrumb{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:28px;
  }
  .breadcrumb a{transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--terra);}
  .breadcrumb .sep{color:var(--line);}

  .mag-grid{
    display:grid;
    grid-template-columns:1.4fr .6fr;
    gap:56px;
    align-items:end;
    padding-bottom:46px;
  }

  .mag-title{
    font-size:clamp(2.1rem,4.6vw,3.9rem);
    line-height:1.09;
    letter-spacing:-.025em;
    margin-bottom:20px;
  }

  .mag-title em{
    font-style:normal;
    color:var(--terra);
  }

  .mag-lead{
    font-size:17px;
    color:var(--muted);
    max-width:640px;
    line-height:1.85;
  }

  .hero-aside{
    border-left:1px solid var(--line);
    padding-left:30px;
  }

  .hero-aside p{
    font-size:14.5px;
    color:var(--muted);
    line-height:1.8;
  }

  .hero-aside .aside-title{
    font-family:var(--serif);
    font-size:16px;
    color:var(--ink);
    font-weight:700;
    margin-bottom:10px;
  }

  /* ---------- 数据条 ---------- */
  .stat-strip{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
    border-top:1px solid var(--line-soft);
  }

  .stat{
    padding:26px 22px;
    border-right:1px solid var(--line-soft);
  }
  .stat:last-child{border-right:0;}

  .stat-num{
    display:block;
    font-family:var(--mono);
    font-size:26px;
    font-weight:600;
    color:var(--ink);
    letter-spacing:-.02em;
  }

  .stat-label{
    display:block;
    font-size:13px;
    color:var(--muted);
    margin-top:6px;
  }

  /* ---------- 索引列表 ---------- */
  .index-list{
    border-bottom:1px solid var(--line);
  }

  .index-row{
    display:grid;
    grid-template-columns:210px 1fr;
    gap:28px;
    align-items:center;
    padding:22px 18px;
    border-top:1px solid var(--line);
    border-radius:var(--radius);
    transition:background .25s ease,box-shadow .25s ease,transform .25s ease;
  }

  .index-row:hover{
    background:var(--sand-2);
    box-shadow:var(--shadow-s);
    transform:translateY(-2px);
  }

  .index-thumb{
    display:block;
    border-radius:12px;
    overflow:hidden;
    background:var(--sand);
    aspect-ratio:16/9;
  }

  .index-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s ease;
  }

  .index-row:hover .index-thumb img{transform:scale(1.03);}

  .index-body{min-width:0;}

  .index-meta{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:8px;
  }

  .tag{
    display:inline-flex;
    align-items:center;
    padding:2px 10px;
    font-size:12px;
    font-weight:600;
    color:var(--ink);
    background:var(--sand);
    border-radius:999px;
    letter-spacing:.02em;
  }

  .tag.terra{
    color:#FAF8F5;
    background:var(--terra);
  }

  .index-title{
    font-size:19px;
    line-height:1.4;
    margin-bottom:8px;
  }

  .index-title a{transition:color .2s ease;}
  .index-row:hover .index-title a{color:var(--terra);}

  .index-sum{
    font-size:14.5px;
    color:var(--muted);
    line-height:1.8;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:10px;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink);
    transition:color .2s ease,gap .2s ease;
  }
  .index-row:hover .link-arrow{color:var(--terra);gap:10px;}

  /* ---------- 相关分类入口 ---------- */
  .rel-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
    align-items:start;
  }

  .rel-card{
    display:flex;
    flex-direction:column;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:var(--shadow-s);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }

  .rel-card:nth-child(2){transform:translateY(22px);}
  .rel-card:nth-child(2):hover{transform:translateY(18px);}

  .rel-card:hover{
    box-shadow:var(--shadow-h);
    border-color:var(--sand);
  }

  .rel-card.current{
    border-color:var(--ink);
    box-shadow:0 14px 38px rgba(15,46,39,.12);
  }

  .rel-thumb{
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--sand);
  }
  .rel-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s ease;
  }
  .rel-card:hover .rel-thumb img{transform:scale(1.03);}

  .rel-body{
    padding:20px 22px 24px;
  }

  .rel-body h3{
    font-size:18px;
    margin-bottom:8px;
  }

  .rel-body p{
    font-size:14px;
    color:var(--muted);
    line-height:1.8;
  }

  .rel-foot{
    margin-top:14px;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:color .2s ease,gap .2s ease;
  }
  .rel-card:hover .rel-foot{color:var(--terra);gap:10px;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;}

  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .25s ease,box-shadow .25s ease;
  }

  .faq-item.open{
    border-color:var(--sand);
    box-shadow:var(--shadow-s);
  }

  .faq-q{
    width:100%;
    min-height:44px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:19px 22px;
    background:transparent;
    border:0;
    text-align:left;
    font-family:var(--sans);
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
  }

  .faq-icon{
    position:relative;
    flex:0 0 18px;
    width:18px;
    height:18px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--terra);
    transition:transform .25s ease;
  }
  .faq-icon::before{left:0;right:0;top:8px;height:2px;}
  .faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
  .faq-item.open .faq-icon::after{transform:scaleY(0);}

  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .25s ease;
  }

  .faq-a-inner{
    padding:0 22px 22px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--muted);
  }

  /* ---------- CTA 通栏 ---------- */
  .cta-band{
    background:var(--ink);
    color:#FAF8F5;
  }

  .cta-inner{
    display:grid;
    grid-template-columns:1.3fr .7fr;
    gap:40px;
    align-items:center;
    padding:66px 0;
  }

  .cta-band h2{
    color:#FAF8F5;
    font-size:clamp(1.6rem,3vw,2.3rem);
    line-height:1.25;
    margin-bottom:14px;
  }

  .cta-band p{
    color:rgba(250,248,245,.78);
    font-size:15.5px;
    max-width:560px;
  }

  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    justify-content:flex-end;
  }

  .cta-ghost{
    color:#FAF8F5;
    border-color:rgba(250,248,245,.5);
  }
  .cta-ghost:hover{
    background:#FAF8F5;
    color:var(--ink);
    border-color:#FAF8F5;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:#FAF8F5;
    padding:66px 0 26px;
    margin-top:0;
  }

  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1.2fr 1fr;
    gap:40px;
    padding-bottom:44px;
  }

  .footer-logo{
    display:flex;
    align-items:center;
    gap:9px;
    font-family:var(--serif);
    font-size:19px;
    font-weight:700;
    color:#FAF8F5;
  }

  .footer-title{
    font-size:15px;
    color:#FAF8F5;
    font-family:var(--sans);
    font-weight:600;
    margin-bottom:16px;
  }

  .footer-text{
    font-size:13.5px;
    line-height:1.9;
    color:rgba(250,248,245,.68);
  }

  .footer-link{
    display:inline-block;
    font-size:13.5px;
    color:rgba(250,248,245,.68);
    padding:3px 0;
    transition:color .18s ease,transform .18s ease;
  }
  .footer-link:hover{
    color:var(--terra);
    transform:translateX(3px);
  }

  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding-top:22px;
    border-top:1px solid rgba(250,248,245,.14);
    font-size:12.5px;
    color:rgba(250,248,245,.5);
  }

  /* ---------- 动效 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(12px);
    transition:opacity .55s ease-out,transform .55s ease-out;
  }
  .reveal.in{
    opacity:1;
    transform:none;
  }

  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:opacity .2s ease;}
    *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
    html{scroll-behavior:auto;}
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-links,
    .command-search,
    .icon-btn,
    .nav-right > .btn-primary{display:none;}
    .menu-btn{display:inline-flex;}
    .mag-grid{grid-template-columns:1fr;gap:34px;}
    .hero-aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px;}
    .cta-inner{grid-template-columns:1fr;padding:56px 0;}
    .cta-actions{justify-content:flex-start;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .stat-strip{grid-template-columns:repeat(2,1fr);}
    .stat:nth-child(2){border-right:0;}
    .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line-soft);}
  }

  @media (max-width:768px){
    .container{padding:0 20px;}
    .section{padding:58px 0;}
    .section.tight{padding:46px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
    .mag-hero{padding-top:34px;}
    .mag-grid{padding-bottom:34px;}
    .index-row{grid-template-columns:1fr;gap:16px;padding:20px 14px;}
    .index-thumb{aspect-ratio:16/9;}
    .index-sum{-webkit-line-clamp:3;}
    .rel-grid{grid-template-columns:1fr;gap:20px;}
    .rel-card:nth-child(2),
    .rel-card:nth-child(2):hover{transform:none;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .cta-actions{width:100%;}
    .cta-actions .btn-light,
    .cta-actions .btn-ghost{width:100%;}
  }

  @media (max-width:520px){
    .stat-strip{grid-template-columns:1fr;}
    .stat{border-right:0;border-bottom:1px solid var(--line-soft);}
    .stat:last-child{border-bottom:0;}
    .stat-num{font-size:23px;}
    .mag-title{letter-spacing:-.02em;}
    .faq-q{font-size:16px;padding:17px 18px;}
    .faq-a-inner{padding:0 18px 20px;}
  }