/* roulang page: index */
:root{
  --brand-900:#142A27;
  --brand-800:#173B35;
  --brand-700:#1F4D46;
  --brand-500:#3F7568;
  --copper:#B07D4F;
  --clay:#C65A3A;
  --paper:#F5F1E8;
  --paper-2:#FFFDF7;
  --ink:#1B211F;
  --muted:#6B746F;
  --line:#D9D2C4;
  --focus:#2F6F61;
  --radius:16px;
  --shadow:0 12px 30px rgba(23,42,39,.08);
  --shadow-lg:0 16px 38px rgba(23,42,39,.12);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.26;letter-spacing:-.01em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
::selection{background:rgba(176,125,79,.28)}

/* 布局骨架 */
.shell{display:block;min-height:100vh}
@media (min-width:1024px){
  .shell{display:grid;grid-template-columns:248px minmax(0,1fr);align-items:start}
}
.container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
@media (min-width:1280px){.container-x{padding:0 40px}}

/* 左侧竖向导航 */
.sidenav{display:none}
@media (min-width:1024px){
  .sidenav{
    display:flex;flex-direction:column;
    position:sticky;top:0;height:100vh;
    background:linear-gradient(178deg,#142A27 0%,#173B35 52%,#122421 100%);
    color:#F5F1E8;padding:30px 20px 22px;
    border-right:1px solid rgba(245,241,232,.08);
    overflow-y:auto;z-index:40;
  }
}
.brand-mark{display:flex;align-items:center;gap:11px}
.brand-glyph{width:40px;height:40px;flex:none;border-radius:11px;display:grid;place-items:center;background:rgba(176,125,79,.16);border:1px solid rgba(176,125,79,.5);color:#E7C79A;font-family:var(--serif);font-size:18px;letter-spacing:.02em}
.brand-text{font-family:var(--serif);font-size:19px;line-height:1.3;letter-spacing:.02em;color:#FFFDF7}
.brand-sub{display:block;font-family:var(--sans);font-size:11.5px;letter-spacing:.16em;color:rgba(245,241,232,.45);margin-top:4px}
.nav-list{margin-top:30px;display:flex;flex-direction:column;gap:4px}
.nav-link{display:flex;align-items:center;justify-content:space-between;gap:8px;height:46px;padding:0 12px;border-radius:10px;color:rgba(245,241,232,.78);font-size:15px;position:relative;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:rgba(245,241,232,.07);color:#FFFDF7}
.nav-link.is-active{background:rgba(245,241,232,.1);color:#FFFDF7;font-weight:600}
.nav-link.is-active::before{content:"";position:absolute;left:-12px;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--copper)}
.nav-count{font-size:12px;color:rgba(245,241,232,.4);font-family:var(--sans)}
.sidenav-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(245,241,232,.14)}
.sidenav-foot a{display:block;font-size:13.5px;color:rgba(245,241,232,.62);padding:6px 0;transition:color .18s ease}
.sidenav-foot a:hover{color:var(--copper)}

/* 移动端顶部条与抽屉 */
.mobile-bar{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 18px;background:rgba(245,241,232,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.mobile-bar{display:none}}
.mobile-brand{display:flex;align-items:center;gap:9px}
.mobile-brand .brand-glyph{width:34px;height:34px;font-size:15px;background:rgba(20,42,39,.08);border-color:rgba(20,42,39,.22);color:var(--brand-800)}
.mobile-brand span.brand-text{font-size:16px;color:var(--ink)}
.menu-btn{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:var(--paper-2);cursor:pointer;transition:background .18s ease,border-color .18s ease}
.menu-btn:hover{background:#fff;border-color:var(--copper)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.drawer{position:fixed;inset:0;z-index:90;background:linear-gradient(180deg,#142A27,#173B35);color:var(--paper);padding:22px 22px 32px;display:flex;flex-direction:column;transform:translateX(-100%);visibility:hidden;transition:transform .18s ease,visibility .18s ease}
.drawer.is-open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(245,241,232,.16)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(245,241,232,.28);background:transparent;color:#FFFDF7;font-size:22px;line-height:1;cursor:pointer;transition:background .18s ease}
.drawer-close:hover{background:rgba(245,241,232,.1)}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:15px 10px;border-radius:10px;color:rgba(245,241,232,.82);font-size:16px;border-bottom:1px solid rgba(245,241,232,.08)}
.drawer-link.is-active{color:#FFFDF7;font-weight:600;background:rgba(176,125,79,.16)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(245,241,232,.14);font-size:13px;color:rgba(245,241,232,.55);line-height:1.9}

/* 主内容 */
.main-col{min-width:0}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#142A27;display:flex;align-items:flex-end;min-height:460px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;transform:scale(1.03)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(104deg,rgba(20,42,39,.95) 10%,rgba(20,42,39,.8) 48%,rgba(20,42,39,.34) 100%)}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:72px;padding-bottom:40px}
@media (min-width:768px){.hero-inner{padding-top:104px;padding-bottom:52px}}
@media (min-width:768px){.hero{min-height:540px}}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:12.5px;letter-spacing:.22em;color:#E7C79A;text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:1px;background:rgba(231,199,154,.7)}
.hero-title{font-size:clamp(30px,4.8vw,54px);line-height:1.2;color:#FFFDF7;margin:18px 0 16px;max-width:16em}
.hero-sub{font-size:clamp(15px,1.6vw,17.5px);color:rgba(245,241,232,.82);max-width:34em;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
@media (max-width:520px){.hero-actions .btn{width:100%}}
.hero-meta{margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding-top:18px;border-top:1px solid rgba(245,241,232,.2);font-size:13px;color:rgba(245,241,232,.72)}
.hero-meta b{font-weight:600;color:#FFFDF7;font-family:var(--serif);letter-spacing:.04em}
.hero-meta i{display:inline-block;width:1px;height:12px;background:rgba(245,241,232,.28);font-style:normal}
@media (max-width:520px){.hero-meta i{display:none}.hero-meta{gap:8px 16px}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-light{background:var(--paper-2);color:var(--brand-900);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#FFFDF7;border-color:rgba(245,241,232,.52)}
.btn-ghost:hover{background:rgba(176,125,79,.24);border-color:var(--copper);transform:translateY(-1px)}
.btn-primary{background:var(--brand-800);color:var(--paper-2);box-shadow:0 10px 24px rgba(20,42,39,.2)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--brand-800);border-color:rgba(23,59,53,.42)}
.btn-outline:hover{background:rgba(176,125,79,.14);border-color:var(--copper);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

/* 板块 */
.section{padding:52px 0}
@media (min-width:768px){.section{padding:68px 0}}
@media (min-width:1280px){.section{padding:80px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px 24px;flex-wrap:wrap;margin-bottom:26px}
.section-title{font-size:clamp(23px,2.9vw,32px);color:var(--ink)}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:46em;line-height:1.8}
.link-more{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;transition:color .18s ease,gap .18s ease}
.link-more:hover{color:var(--copper);gap:10px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* 速览数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-cell{background:var(--paper-2);padding:22px 20px}
.stat-num{font-family:var(--serif);font-size:28px;color:var(--brand-800);line-height:1}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--muted);letter-spacing:.02em}

/* 合集目录 */
.catalog{border-top:1px solid var(--line)}
.catalog-item{border-bottom:1px solid var(--line)}
.catalog-link{display:grid;grid-template-columns:46px minmax(0,1fr) 20px;gap:14px;align-items:center;padding:20px 12px;transition:background .18s ease}
@media (min-width:768px){.catalog-link{grid-template-columns:64px minmax(0,1fr) 120px 20px;gap:20px;padding:24px 18px}}
.catalog-link:hover{background:rgba(176,125,79,.08)}
.catalog-num{font-family:var(--serif);font-size:16px;color:var(--copper);letter-spacing:.08em}
.catalog-name{font-family:var(--serif);font-size:19px;color:var(--ink);line-height:1.35}
.catalog-note{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.7;grid-column:2 / -1}
@media (min-width:768px){.catalog-note{grid-column:auto;margin-top:6px}}
.catalog-count{display:none}
@media (min-width:768px){.catalog-count{display:block;font-size:13px;color:var(--muted);text-align:right;letter-spacing:.02em}}
.catalog-arrow{color:var(--copper);font-size:18px;transition:transform .18s ease}
.catalog-link:hover .catalog-arrow{transform:translateX(4px)}

/* 卡片 */
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;display:flex;flex-direction:column;height:100%}
.card:hover{box-shadow:var(--shadow-lg);border-color:rgba(176,125,79,.55)}
.card-media{overflow:hidden;background:#e9e3d6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:19px;line-height:1.45;color:var(--ink)}
.card-title a:hover{color:var(--brand-700)}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;height:25px;padding:0 11px;border-radius:999px;font-size:12px;letter-spacing:.04em;background:rgba(63,117,104,.12);color:var(--brand-700);border:1px solid rgba(63,117,104,.26);white-space:nowrap}
.badge-copper{background:rgba(176,125,79,.14);color:#8A5F37;border-color:rgba(176,125,79,.36)}
.badge-clay{background:rgba(198,90,58,.12);color:#9E4429;border-color:rgba(198,90,58,.3)}

/* 精选网格 */
.feature-grid{display:grid;gap:22px}
@media (min-width:900px){.feature-grid{grid-template-columns:minmax(0,1.85fr) minmax(0,1fr)}}
.feature-side{display:grid;gap:22px;align-content:start}
.card-lg .card-media{aspect-ratio:16/10}
.card-lg .card-title{font-size:clamp(20px,2.2vw,25px)}
.card-sm .card-media{aspect-ratio:16/10}
.card-sm .card-title{font-size:17px}

/* 最新信息列表 */
.info-list{border-top:1px solid var(--line)}
.info-row{display:grid;grid-template-columns:minmax(0,1fr) 22px;gap:12px;padding:20px 8px;border-bottom:1px solid var(--line);transition:background .18s ease}
@media (min-width:768px){.info-row{grid-template-columns:104px minmax(0,1fr) 22px;gap:22px;padding:22px 10px}}
.info-row:hover{background:rgba(176,125,79,.07)}
.date-chip{font-family:var(--serif);font-size:13.5px;color:var(--brand-700);letter-spacing:.03em;grid-column:1 / -1;width:max-content;padding:2px 10px;border:1px solid rgba(63,117,104,.24);border-radius:999px;background:rgba(63,117,104,.07)}
@media (min-width:768px){.date-chip{grid-column:auto;border:0;background:transparent;padding:0;border-radius:0;width:auto;padding-top:3px;color:var(--copper);font-size:14px}}
.info-title{font-family:var(--serif);font-size:18px;line-height:1.45;color:var(--ink);transition:color .18s ease}
.info-row:hover .info-title{color:var(--brand-700)}
.info-desc{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-tag{margin-top:10px;display:inline-flex}
.info-arrow{align-self:center;color:var(--copper);font-size:17px;transition:transform .18s ease}
.info-row:hover .info-arrow{transform:translateX(4px)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 24px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--paper-2);color:var(--muted);font-size:15px;text-align:center}
.empty-state strong{font-family:var(--serif);font-size:17px;color:var(--ink);font-weight:700}
.pager{margin-top:22px;display:flex;align-items:center;gap:8px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper-2);color:var(--muted);transition:all .18s ease}
.pager a:hover{border-color:var(--copper);color:var(--brand-800)}
.pager .is-current{background:var(--brand-800);border-color:var(--brand-800);color:#FFFDF7}

/* 相关推荐 */
.mini-grid{display:grid;gap:16px}
@media (min-width:640px){.mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.mini-card{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.mini-card:hover{border-color:rgba(176,125,79,.55);box-shadow:var(--shadow);transform:translateY(-2px)}
.mini-thumb{width:66px;height:66px;flex:none;border-radius:10px;overflow:hidden;background:#e9e3d6}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-title{font-family:var(--serif);font-size:16px;line-height:1.5;color:var(--ink)}
.mini-card:hover .mini-title{color:var(--brand-700)}
.mini-meta{margin-top:6px;font-size:12.5px;color:var(--muted)}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--paper-2);overflow:hidden;transition:border-color .18s ease}
.faq-item:hover{border-color:rgba(176,125,79,.5)}
.faq-item + .faq-item{margin-top:12px}
.faq-q{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";font-family:var(--sans);font-weight:400;color:var(--copper);font-size:22px;line-height:1;transition:transform .2s ease;flex:none}
details[open] .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(118deg,#142A27 0%,#1F4D46 100%);color:var(--paper);border-radius:20px;padding:34px 24px;display:flex;flex-direction:column;gap:22px}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 44px}}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(176,125,79,.34);pointer-events:none}
.cta-title{font-size:clamp(22px,2.8vw,30px);color:#FFFDF7}
.cta-text{margin-top:10px;font-size:14.5px;color:rgba(245,241,232,.76);line-height:1.8;max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}
@media (max-width:520px){.cta-actions .btn{width:100%}}

/* 页脚 */
.footer{background:var(--brand-900);color:rgba(245,241,232,.8);padding:52px 0 26px}
@media (min-width:1024px){.footer{grid-column:1 / -1}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer h4{font-family:var(--serif);font-size:14px;letter-spacing:.12em;color:#FFFDF7;margin-bottom:14px;font-weight:700}
.footer-brand .brand-text{color:#FFFDF7}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(245,241,232,.62);max-width:28em}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13.5px;color:rgba(245,241,232,.7);transition:color .18s ease}
.footer-links a:hover{color:var(--copper)}
.footer-contact{font-size:13.5px;line-height:1.95;color:rgba(245,241,232,.7)}
.footer-contact strong{color:#FFFDF7;font-weight:600}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(245,241,232,.14);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12.5px;color:rgba(245,241,232,.5)}

/* 锚点滚动偏移 */
#catalog,#featured,#latest,#faq{scroll-margin-top:84px}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
    --brand-900:#142A27;
    --brand-800:#173B35;
    --brand-700:#1F4D46;
    --brand-500:#3F7568;
    --copper:#B07D4F;
    --clay:#C65A3A;
    --paper:#F5F1E8;
    --paper-2:#FFFDF7;
    --ink:#1B211F;
    --muted:#6B746F;
    --line:#D9D2C4;
    --focus:#2F6F61;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-soft:0 12px 30px rgba(23,42,39,.08);
    --shadow-hover:0 18px 40px rgba(23,42,39,.14);
    --serif:"Noto Serif SC","Songti SC","STSong",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{font-family:var(--serif);margin:0;letter-spacing:-0.01em;color:var(--brand-900);}
  p{margin:0 0 16px;}
  ul,ol{margin:0 0 16px;}
  ::selection{background:rgba(176,125,79,.28);}
  :focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px;}

  .shell{display:flex;min-height:100vh;align-items:stretch;}

  /* ---------- 左侧竖向导航 ---------- */
  .sidebar{
    width:248px;
    flex:0 0 248px;
    position:sticky;
    top:0;
    align-self:flex-start;
    height:100vh;
    display:flex;
    flex-direction:column;
    background:linear-gradient(180deg,#142A27 0%,#173B35 62%,#132724 100%);
    color:var(--paper);
    padding:32px 20px 24px;
    overflow-y:auto;
  }
  .sidebar::-webkit-scrollbar{width:6px;}
  .sidebar::-webkit-scrollbar-thumb{background:rgba(245,241,232,.16);border-radius:99px;}
  .brand-mark{
    display:flex;
    align-items:center;
    gap:12px;
    color:var(--paper);
  }
  .brand-glyph{
    width:40px;height:40px;flex:0 0 40px;
    display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(176,125,79,.7);
    border-radius:10px;
    font-family:var(--serif);
    font-size:19px;
    color:var(--copper);
    background:rgba(176,125,79,.10);
  }
  .brand-text{
    font-family:var(--serif);
    font-size:18px;
    line-height:1.28;
    letter-spacing:.02em;
    max-width:130px;
  }
  .brand-sub{
    margin-top:10px;
    font-size:12px;
    letter-spacing:.28em;
    color:rgba(245,241,232,.42);
    text-transform:uppercase;
  }
  .nav-list{
    display:flex;
    flex-direction:column;
    gap:4px;
    margin-top:34px;
  }
  .nav-link{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:8px;
    height:46px;
    padding:0 14px;
    border-radius:10px;
    font-size:15px;
    color:rgba(245,241,232,.76);
    transition:background .18s ease,color .18s ease;
  }
  .nav-link:hover{background:rgba(245,241,232,.07);color:#fff;}
  .nav-link.is-active{
    background:rgba(245,241,232,.11);
    color:#fff;
    font-weight:600;
  }
  .nav-link.is-active::before{
    content:"";
    position:absolute;
    left:0;top:10px;bottom:10px;
    width:3px;
    border-radius:3px;
    background:var(--copper);
  }
  .nav-count{
    font-size:11px;
    letter-spacing:.1em;
    color:rgba(245,241,232,.42);
    font-variant-numeric:tabular-nums;
  }
  .nav-link.is-active .nav-count{color:var(--copper);}
  .sidebar-foot{
    margin-top:auto;
    padding-top:22px;
    border-top:1px solid rgba(245,241,232,.14);
    font-size:13px;
    color:rgba(245,241,232,.55);
  }
  .sidebar-foot a{
    display:block;
    padding:6px 0;
    color:rgba(245,241,232,.78);
    transition:color .18s ease;
  }
  .sidebar-foot a:hover{color:var(--copper);}
  .sidebar-note{margin-top:14px;line-height:1.6;font-size:12px;color:rgba(245,241,232,.4);}

  /* ---------- 移动端顶栏与抽屉 ---------- */
  .mobile-bar{
    display:none;
    position:sticky;
    top:0;
    z-index:50;
    height:64px;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:0 20px;
    background:var(--paper-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand-mark{color:var(--brand-900);}
  .mobile-bar .brand-glyph{
    color:var(--brand-700);
    border-color:rgba(31,77,70,.35);
    background:rgba(31,77,70,.07);
    width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:9px;
  }
  .mobile-bar .brand-text{font-size:16px;max-width:none;}
  .hamburger{
    width:44px;height:44px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    background:transparent;
    border:1px solid var(--line);
    border-radius:10px;
    cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
  .hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .drawer{
    position:fixed;inset:0;z-index:80;display:none;
  }
  .drawer.is-open{display:block;}
  .drawer-mask{position:absolute;inset:0;background:rgba(20,42,39,.5);border:0;padding:0;width:100%;cursor:pointer;}
  .drawer-panel{
    position:relative;
    width:84%;
    max-width:330px;
    height:100%;
    background:linear-gradient(180deg,#142A27,#173B35);
    color:var(--paper);
    padding:24px 20px;
    overflow-y:auto;
    transform:translateX(-100%);
    transition:transform .18s ease;
  }
  .drawer.is-open .drawer-panel{transform:translateX(0);}
  .drawer-close{
    position:absolute;
    right:14px;top:14px;
    width:38px;height:38px;
    border-radius:10px;
    border:1px solid rgba(245,241,232,.24);
    background:transparent;
    color:var(--paper);
    font-size:18px;
    line-height:1;
    cursor:pointer;
  }
  .drawer-close:hover{background:rgba(245,241,232,.10);}
  .drawer .nav-list{margin-top:26px;}

  /* ---------- 主内容 ---------- */
  .main-col{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
  .container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}
  .page-wrap{max-width:1180px;margin:0 auto;padding:0 40px;width:100%;}

  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);
    padding:26px 0 0;
  }
  .breadcrumb a{color:var(--brand-700);}
  .breadcrumb a:hover{color:var(--copper);}
  .breadcrumb .sep{color:var(--line);}
  .crumb-current{
    color:var(--muted);
    max-width:60%;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  .article-hero{
    position:relative;
    margin-top:22px;
    border-radius:var(--radius-card);
    overflow:hidden;
    color:var(--paper);
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow-soft);
  }
  .article-hero::before{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(20,42,39,.94) 0%,rgba(23,59,53,.82) 52%,rgba(23,59,53,.42) 100%);
  }
  .article-hero-inner{position:relative;padding:44px 44px 38px;}
  .kicker{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;letter-spacing:.22em;
    color:rgba(245,241,232,.72);
    text-transform:uppercase;
  }
  .kicker::before{content:"";width:26px;height:1px;background:var(--copper);display:inline-block;}
  .article-title{
    margin-top:18px;
    font-size:clamp(30px,3.6vw,44px);
    line-height:1.28;
    color:#FFFDF7;
    max-width:22ch;
  }
  .article-title.long{font-size:clamp(26px,3.1vw,36px);max-width:26ch;}
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
    margin-top:22px;
    font-size:13px;
    color:rgba(245,241,232,.76);
  }
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(245,241,232,.45);}
  .chip{
    display:inline-flex;align-items:center;
    padding:4px 12px;
    border-radius:999px;
    border:1px solid rgba(176,125,79,.55);
    background:rgba(176,125,79,.16);
    color:#F2E4D2;
    font-size:12px;
    letter-spacing:.04em;
  }

  .lead{
    margin-top:26px;
    padding-left:16px;
    border-left:3px solid var(--copper);
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  .content-grid{
    display:grid;
    grid-template-columns:minmax(0,1fr) 300px;
    gap:48px;
    padding:56px 0 0;
    align-items:start;
  }

  .prose{font-size:17px;line-height:1.85;color:#28322F;}
  .prose > *:first-child{margin-top:0;}
  .prose p{margin:0 0 20px;}
  .prose h2{
    font-size:26px;
    line-height:1.4;
    margin:44px 0 18px;
    padding-left:14px;
    border-left:3px solid var(--copper);
    scroll-margin-top:90px;
  }
  .prose h3{
    font-size:20px;
    margin:30px 0 12px;
    color:var(--brand-800);
    scroll-margin-top:90px;
  }
  .prose h4{font-size:17px;margin:24px 0 10px;color:var(--brand-700);}
  .prose ul,.prose ol{padding-left:24px;margin:0 0 20px;}
  .prose li{margin-bottom:8px;}
  .prose li::marker{color:var(--copper);}
  .prose a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
  .prose a:hover{color:var(--copper);}
  .prose img{border-radius:12px;margin:26px 0;box-shadow:var(--shadow-soft);}
  .prose blockquote{
    margin:26px 0;
    padding:18px 22px;
    background:var(--paper-2);
    border-left:3px solid var(--copper);
    border-radius:0 12px 12px 0;
    color:var(--muted);
  }
  .prose blockquote p:last-child{margin-bottom:0;}
  .prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
  .prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
  .prose th{background:#EFE9DC;color:var(--brand-900);font-weight:600;}
  .prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
  .prose code{background:#EFE9DC;padding:2px 6px;border-radius:6px;font-size:14px;}

  .empty-state{
    background:var(--paper-2);
    border:1px dashed var(--line);
    border-radius:var(--radius-card);
    padding:48px 32px;
    text-align:center;
  }
  .empty-state h2{font-size:24px;margin-bottom:12px;}
  .empty-state p{color:var(--muted);margin-bottom:22px;}

  /* ---------- 侧栏 ---------- */
  .side-col{position:sticky;top:32px;display:flex;flex-direction:column;gap:22px;}
  .side-card{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px 22px 18px;
    box-shadow:var(--shadow-soft);
  }
  .side-card h2{
    font-size:16px;
    letter-spacing:.06em;
    margin-bottom:14px;
    padding-bottom:12px;
    border-bottom:1px solid var(--line);
  }
  .toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
  .toc-list a{
    display:block;
    padding:8px 10px;
    border-radius:8px;
    font-size:14px;
    color:#3A4641;
    border-left:2px solid transparent;
    transition:background .16s ease,color .16s ease,border-color .16s ease;
  }
  .toc-list a:hover{background:rgba(176,125,79,.1);color:var(--brand-800);border-left-color:var(--copper);}
  .toc-empty{font-size:13px;color:var(--muted);}
  .rel-list{display:flex;flex-direction:column;gap:14px;}
  .rel-item{
    display:block;
    padding-bottom:14px;
    border-bottom:1px solid var(--line);
  }
  .rel-item:last-child{border-bottom:0;padding-bottom:0;}
  .rel-item .rel-tag{font-size:12px;color:var(--copper);letter-spacing:.06em;}
  .rel-item h3{font-size:15px;line-height:1.55;margin:6px 0 0;transition:color .16s ease;}
  .rel-item:hover h3{color:var(--brand-700);}

  .article-foot{
    margin-top:40px;
    padding-top:26px;
    border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  }
  .article-foot .foot-note{font-size:13px;color:var(--muted);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand-800);color:#F8F4EB;box-shadow:var(--shadow-soft);}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
  .btn-primary:active{transform:translateY(0);background:var(--brand-900);}
  .btn-ghost{background:transparent;border-color:rgba(31,77,70,.45);color:var(--brand-800);}
  .btn-ghost:hover{background:rgba(176,125,79,.16);border-color:var(--copper);}
  .btn-ghost:active{background:rgba(176,125,79,.26);}
  .btn-light{background:var(--paper);color:var(--brand-900);}
  .btn-light:hover{background:#fff;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;border-color:rgba(245,241,232,.5);color:var(--paper);}
  .btn-outline-light:hover{background:rgba(245,241,232,.12);border-color:var(--copper);}

  /* ---------- 相关阅读 ---------- */
  .section-related{padding:64px 0 0;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
    margin-bottom:26px;
  }
  .section-head h2{font-size:28px;}
  .section-head .head-note{font-size:13px;color:var(--muted);}
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
  .rel-card{
    display:flex;flex-direction:column;
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-soft);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(176,125,79,.6);}
  .rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#E7E0D2;}
  .rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .rel-card:hover .thumb img{transform:scale(1.03);}
  .rel-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .rel-card .badge{
    align-self:flex-start;
    font-size:12px;
    padding:3px 10px;
    border-radius:999px;
    background:rgba(31,77,70,.09);
    color:var(--brand-700);
    letter-spacing:.04em;
  }
  .rel-card h3{font-size:17px;line-height:1.5;}
  .rel-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.7;}
  .rel-card .more{margin-top:auto;font-size:13px;color:var(--copper);font-weight:600;}
  .rel-card .more::after{content:" →";display:inline-block;transition:transform .18s ease;}
  .rel-card:hover .more::after{transform:translateX(3px);}

  /* ---------- CTA ---------- */
  .cta-band{
    margin:72px auto 0;
    max-width:1180px;
    background:linear-gradient(120deg,#142A27 0%,#1F4D46 100%);
    border-radius:var(--radius-card);
    color:var(--paper);
    padding:44px 44px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
    box-shadow:var(--shadow-soft);
  }
  .cta-band h2{color:#FFFDF7;font-size:28px;}
  .cta-band p{margin:10px 0 0;color:rgba(245,241,232,.76);font-size:14px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .footer{
    margin-top:76px;
    background:var(--brand-900);
    color:rgba(245,241,232,.82);
    padding:56px 0 26px;
    font-size:14px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:32px;
  }
  .footer-brand .brand-mark{color:var(--paper);}
  .footer-brand p{
    margin-top:16px;
    font-size:13px;
    line-height:1.85;
    color:rgba(245,241,232,.62);
    max-width:30ch;
  }
  .footer h4{
    color:#FFFDF7;
    font-size:15px;
    letter-spacing:.04em;
    margin-bottom:14px;
  }
  .footer-links{display:flex;flex-direction:column;}
  .footer-links a{
    padding:7px 0;
    font-size:14px;
    color:rgba(245,241,232,.7);
    transition:color .18s ease,transform .18s ease;
  }
  .footer-links a:hover{color:var(--copper);transform:translateX(2px);}
  .footer-contact{font-size:13px;line-height:2;color:rgba(245,241,232,.68);}
  .footer-contact strong{color:#FFFDF7;font-weight:600;}
  .footer-bottom{
    margin-top:38px;
    padding-top:20px;
    border-top:1px solid rgba(245,241,232,.16);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;
    color:rgba(245,241,232,.5);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .sidebar{width:224px;flex:0 0 224px;padding:28px 16px 20px;}
    .container-x,.page-wrap{padding:0 30px;}
    .content-grid{gap:36px;grid-template-columns:minmax(0,1fr) 268px;}
  }
  @media (max-width:1023px){
    .shell{display:block;}
    .sidebar{display:none;}
    .mobile-bar{display:flex;}
    .container-x,.page-wrap{padding:0 22px;}
    .content-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-top:40px;}
    .side-col{position:static;order:-1;}
    .article-hero-inner{padding:34px 26px 30px;}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-band{padding:34px 26px;margin-left:22px;margin-right:22px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  }
  @media (max-width:767px){
    body{font-size:15px;}
    .article-title{font-size:28px;max-width:none;}
    .article-title.long{font-size:25px;}
    .prose{font-size:16px;}
    .prose h2{font-size:22px;margin-top:34px;}
    .prose h3{font-size:18px;}
    .section-head h2,.cta-band h2{font-size:23px;}
    .rel-grid{grid-template-columns:minmax(0,1fr);}
    .article-foot{flex-direction:column;align-items:flex-start;}
    .breadcrumb{font-size:12px;}
    .crumb-current{max-width:100%;white-space:normal;}
  }
  @media (max-width:519px){
    .container-x,.page-wrap{padding:0 18px;}
    .cta-band{margin-left:18px;margin-right:18px;padding:28px 20px;border-radius:14px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer{padding:44px 0 22px;}
    .footer-grid{grid-template-columns:minmax(0,1fr);}
    .footer-bottom{flex-direction:column;}
    .article-hero-inner{padding:28px 20px 26px;}
    .meta-row{font-size:12px;gap:8px 12px;}
    .lead{font-size:14px;-webkit-line-clamp:4;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: category1 */
:root{
    --brand-900:#142A27;
    --brand-800:#173B35;
    --brand-700:#1F4D46;
    --brand-500:#3F7568;
    --copper:#B07D4F;
    --copper-soft:rgba(176,125,79,.10);
    --clay:#C65A3A;
    --paper:#F5F1E8;
    --paper-2:#FFFDF7;
    --ink:#1B211F;
    --muted:#6B746F;
    --line:#D9D2C4;
    --focus:#2F6F61;
    --radius:16px;
    --shadow:0 12px 30px rgba(23,42,39,.08);
    --shadow-hover:0 16px 38px rgba(23,42,39,.12);
    --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background-color:var(--paper);
    background-image:
      linear-gradient(rgba(217,210,196,.30) 1px,transparent 1px),
      linear-gradient(90deg,rgba(217,210,196,.30) 1px,transparent 1px);
    background-size:72px 72px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:-.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:rgba(176,125,79,.28);}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--focus);
    outline-offset:3px;
    border-radius:6px;
  }

  /* ---------- 布局骨架 ---------- */
  .layout{display:flex;align-items:flex-start;min-height:100vh;}
  .main-col{flex:1 1 auto;min-width:0;}
  .container-x{max-width:1180px;margin:0 auto;padding:0 40px;}

  /* ---------- 左侧竖栏 ---------- */
  .sidebar{
    width:248px;flex:0 0 248px;
    position:sticky;top:0;
    height:100vh;
    display:flex;flex-direction:column;
    background:var(--brand-900);
    color:var(--paper);
    padding:30px 20px 22px;
    overflow-y:auto;
    background-image:radial-gradient(circle at 18% 8%,rgba(176,125,79,.16),transparent 55%);
  }
  .brand-mark{display:flex;align-items:center;gap:10px;padding:0 6px 18px;border-bottom:1px solid rgba(245,241,232,.14);}
  .brand-glyph{
    width:38px;height:38px;flex:0 0 38px;
    display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(176,125,79,.7);
    border-radius:10px;
    color:var(--copper);
    font-family:var(--serif);
    font-size:19px;
    background:rgba(176,125,79,.12);
  }
  .brand-text{
    font-family:var(--serif);
    font-size:17px;
    letter-spacing:.04em;
    color:var(--paper-2);
    line-height:1.3;
  }
  .sidebar-note{
    font-size:12.5px;
    line-height:1.7;
    color:rgba(245,241,232,.52);
    padding:16px 6px 4px;
  }
  .nav-list{display:flex;flex-direction:column;gap:4px;margin-top:18px;}
  .nav-link{
    position:relative;
    display:flex;align-items:center;justify-content:space-between;
    min-height:46px;
    padding:0 12px;
    border-radius:10px;
    font-size:15px;
    color:rgba(245,241,232,.76);
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .nav-link::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
    width:3px;height:20px;border-radius:2px;background:var(--copper);
    transition:transform .2s ease;
  }
  .nav-link:hover{background:rgba(245,241,232,.08);color:var(--paper-2);}
  .nav-link:hover::before{transform:translateY(-50%) scaleY(1);}
  .nav-link.is-active{
    background:rgba(176,125,79,.18);
    color:var(--paper-2);
    font-weight:600;
  }
  .nav-link.is-active::before{transform:translateY(-50%) scaleY(1);}
  .nav-count{font-size:11px;letter-spacing:.08em;color:rgba(176,125,79,.85);font-family:var(--sans);}
  .sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(245,241,232,.14);display:flex;flex-direction:column;gap:8px;}
  .sidebar-foot a{
    font-size:13.5px;color:rgba(245,241,232,.62);
    display:flex;align-items:center;gap:8px;
    transition:color .2s ease;
  }
  .sidebar-foot a:hover{color:var(--copper);}
  .dot{width:5px;height:5px;border-radius:50%;background:var(--copper);display:inline-block;}

  /* ---------- 移动端导航 ---------- */
  .mobile-bar{
    display:none;
    position:sticky;top:0;z-index:60;
    height:64px;
    align-items:center;justify-content:space-between;
    padding:0 18px;
    background:rgba(255,253,247,.94);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .mobile-brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:16px;color:var(--brand-900);}
  .mobile-brand .brand-glyph{width:32px;height:32px;flex:0 0 32px;font-size:16px;background:rgba(176,125,79,.14);}
  .hamburger{
    width:44px;height:44px;
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
    background:transparent;border:1px solid var(--line);border-radius:12px;
    transition:background .2s ease,border-color .2s ease;
  }
  .hamburger:hover{background:var(--copper-soft);border-color:rgba(176,125,79,.5);}
  .hamburger span{width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
  .hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .hamburger.is-open span:nth-child(2){opacity:0;}
  .hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .drawer{
    position:fixed;inset:0 0 0 auto;width:min(320px,86vw);
    background:var(--brand-900);
    color:var(--paper);
    z-index:80;
    padding:26px 22px;
    transform:translateX(102%);
    transition:transform .22s ease;
    display:flex;flex-direction:column;
    box-shadow:-20px 0 50px rgba(20,42,39,.25);
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(245,241,232,.16);}
  .drawer-title{font-family:var(--serif);font-size:16px;color:var(--paper-2);}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;border:1px solid rgba(245,241,232,.28);
    background:transparent;color:var(--paper);font-size:18px;line-height:1;
  }
  .drawer-close:hover{background:rgba(245,241,232,.1);}
  .drawer .nav-list{margin-top:18px;}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(20,42,39,.45);
    opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}

  /* ---------- 按钮 / 标签 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:12px;
    font-size:15px;font-weight:500;letter-spacing:.01em;
    border:1px solid transparent;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{background:var(--brand-800);color:var(--paper-2);border-color:var(--brand-800);}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow);}
  .btn-ghost{background:rgba(255,253,247,.9);color:var(--brand-800);border-color:rgba(31,77,70,.32);}
  .btn-ghost:hover{background:var(--copper-soft);border-color:rgba(176,125,79,.55);transform:translateY(-1px);}
  .btn-paper{background:var(--paper-2);color:var(--brand-900);border-color:var(--paper-2);}
  .btn-paper:hover{background:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
  .btn-line-paper{background:transparent;color:var(--paper-2);border-color:rgba(245,241,232,.45);}
  .btn-line-paper:hover{background:rgba(245,241,232,.12);border-color:var(--copper);color:#fff;}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

  .tag{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;letter-spacing:.05em;
    padding:4px 11px;border-radius:999px;
    background:var(--copper-soft);
    color:#8A5F36;
    border:1px solid rgba(176,125,79,.3);
  }
  .tag-dark{background:rgba(245,241,232,.12);color:rgba(245,241,232,.86);border-color:rgba(245,241,232,.26);}

  /* ---------- 页头 / Hero ---------- */
  .page-head{padding-top:34px;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
  .crumb a{color:var(--muted);transition:color .2s ease;}
  .crumb a:hover{color:var(--copper);}
  .crumb .sep{color:rgba(107,116,111,.5);}
  .crumb .now{color:var(--brand-800);font-weight:500;}

  .hero-banner{
    position:relative;
    margin-top:18px;
    min-height:300px;
    border-radius:20px;
    overflow:hidden;
    display:flex;align-items:flex-end;
    padding:36px;
    color:var(--paper-2);
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow);
  }
  .hero-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(20,42,39,.94) 0%,rgba(20,42,39,.80) 46%,rgba(20,42,39,.34) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:660px;}
  .hero-kicker{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12.5px;letter-spacing:.16em;
    color:rgba(245,241,232,.72);
    margin-bottom:16px;
  }
  .hero-kicker::before{content:"";width:26px;height:1px;background:var(--copper);}
  .hero-banner h1{
    font-size:clamp(28px,4vw,44px);
    line-height:1.25;
    color:var(--paper-2);
    letter-spacing:.01em;
  }
  .hero-sub{
    margin-top:14px;
    font-size:15.5px;
    color:rgba(245,241,232,.82);
    max-width:520px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-meta{
    position:absolute;right:36px;bottom:32px;z-index:2;
    display:flex;gap:26px;
    padding-top:14px;
    border-top:1px solid rgba(245,241,232,.3);
    font-size:12px;letter-spacing:.06em;
    color:rgba(245,241,232,.7);
  }
  .hero-meta b{display:block;font-family:var(--serif);font-size:18px;color:var(--paper-2);font-weight:600;letter-spacing:0;}

  /* ---------- 数据条 ---------- */
  .stat-strip{
    margin-top:26px;
    display:grid;grid-template-columns:repeat(4,1fr);
    gap:1px;background:var(--line);
    border:1px solid var(--line);border-radius:14px;overflow:hidden;
  }
  .stat-cell{background:var(--paper-2);padding:18px 20px;}
  .stat-cell span{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
  .stat-cell strong{
    display:block;margin-top:6px;
    font-family:var(--serif);font-size:22px;color:var(--brand-800);font-weight:600;
  }

  /* ---------- 板块通用 ---------- */
  .section{margin-top:64px;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
    padding-bottom:16px;margin-bottom:22px;
    border-bottom:1px solid var(--line);
  }
  .section-head h2{font-size:clamp(22px,2.4vw,30px);color:var(--brand-900);}
  .section-head p{font-size:13.5px;color:var(--muted);margin-top:8px;max-width:620px;}
  .section-link{font-size:13.5px;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:color .2s ease,gap .2s ease;}
  .section-link:hover{color:var(--copper);gap:9px;}

  /* ---------- 档案目录 ---------- */
  .catalog{border-top:1px solid var(--line);}
  .catalog-row{
    display:grid;grid-template-columns:56px 1fr auto 26px;
    align-items:center;gap:18px;
    padding:20px 14px;
    border-bottom:1px solid var(--line);
    transition:background .2s ease,padding-left .2s ease;
  }
  .catalog-row:hover{background:var(--copper-soft);padding-left:20px;}
  .catalog-num{font-family:var(--serif);font-size:20px;color:var(--copper);letter-spacing:.02em;}
  .catalog-title{font-family:var(--serif);font-size:18px;color:var(--brand-900);}
  .catalog-desc{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.65;}
  .catalog-meta{font-size:12.5px;color:var(--muted);white-space:nowrap;}
  .catalog-arrow{color:var(--copper);font-size:16px;transition:transform .2s ease;}
  .catalog-row:hover .catalog-arrow{transform:translateX(4px);}

  /* ---------- 时间线档案 ---------- */
  .timeline{border-top:1px solid var(--line);}
  .tl-item{
    display:grid;grid-template-columns:132px 1fr;gap:26px;
    padding:26px 0;border-bottom:1px solid var(--line);
    transition:background .2s ease;
  }
  .tl-item:hover{background:rgba(255,253,247,.6);}
  .tl-meta{border-left:2px solid rgba(176,125,79,.55);padding-left:14px;}
  .tl-code{font-family:var(--serif);font-size:16px;color:var(--brand-800);}
  .tl-date{font-size:12.5px;color:var(--muted);margin-top:4px;}
  .tl-body h3{font-size:18.5px;color:var(--brand-900);}
  .tl-body p{font-size:14.5px;color:#3E4642;margin-top:8px;line-height:1.8;}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

  /* ---------- 竖版档案卡 ---------- */
  .poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .poster-card{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
    display:flex;flex-direction:column;
  }
  .poster-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(176,125,79,.45);}
  .poster-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--brand-900);}
  .poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
  .poster-card:hover .poster-media img{transform:scale(1.04);}
  .poster-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(20,42,39,0) 40%,rgba(20,42,39,.78) 100%);
  }
  .poster-code{
    position:absolute;left:12px;bottom:12px;z-index:2;
    font-family:var(--serif);font-size:13px;letter-spacing:.08em;
    color:rgba(245,241,232,.9);
  }
  .poster-badge{
    position:absolute;left:12px;top:12px;z-index:2;
    font-size:11.5px;letter-spacing:.06em;
    padding:3px 9px;border-radius:999px;
    background:rgba(20,42,39,.62);
    color:var(--paper-2);
    border:1px solid rgba(245,241,232,.3);
  }
  .poster-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .poster-body h3{font-size:16.5px;line-height:1.45;color:var(--brand-900);}
  .poster-body p{font-size:13px;color:var(--muted);line-height:1.7;}
  .poster-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
  .poster-foot .go{color:var(--copper);transition:transform .2s ease;}
  .poster-card:hover .poster-foot .go{transform:translateX(3px);}

  /* ---------- 引用规范块 ---------- */
  .rule-wrap{
    display:grid;grid-template-columns:1.15fr .85fr;gap:24px;
    align-items:start;
  }
  .rule-card{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:26px;
    box-shadow:var(--shadow);
  }
  .rule-list li{
    display:grid;grid-template-columns:30px 1fr;gap:12px;
    padding:14px 0;border-bottom:1px dashed rgba(217,210,196,.9);
  }
  .rule-list li:last-child{border-bottom:0;padding-bottom:0;}
  .rule-list li:first-child{padding-top:0;}
  .rule-idx{
    width:26px;height:26px;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    background:var(--copper-soft);
    color:#8A5F36;font-size:12.5px;font-weight:600;
  }
  .rule-list h3{font-size:15.5px;color:var(--brand-900);}
  .rule-list p{font-size:13.5px;color:var(--muted);margin-top:4px;line-height:1.7;}
  .rule-side{
    background:var(--brand-900);
    color:var(--paper);
    border-radius:var(--radius);
    padding:26px;
    background-image:radial-gradient(circle at 80% 0%,rgba(176,125,79,.24),transparent 60%);
  }
  .rule-side h3{color:var(--paper-2);font-size:18px;}
  .rule-side p{font-size:13.5px;line-height:1.85;color:rgba(245,241,232,.74);margin-top:10px;}
  .rule-side dl{margin:18px 0 0;display:grid;gap:12px;}
  .rule-side dt{font-size:12px;letter-spacing:.08em;color:rgba(176,125,79,.9);}
  .rule-side dd{margin:3px 0 0;font-size:14px;color:var(--paper-2);}

  /* ---------- 相关栏目 ---------- */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .related-card{
    display:flex;flex-direction:column;gap:10px;
    padding:24px;
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .related-card:hover{border-color:rgba(176,125,79,.5);box-shadow:var(--shadow);transform:translateY(-2px);}
  .related-card h3{font-size:17px;color:var(--brand-900);}
  .related-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}
  .related-card .go{font-size:13px;color:var(--copper);margin-top:auto;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;}
  .related-card:hover .go{gap:10px;}

  /* ---------- CTA ---------- */
  .cta-box{
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    padding:38px 40px;
    border-radius:20px;
    background:var(--brand-900);
    color:var(--paper);
    background-image:radial-gradient(circle at 88% 12%,rgba(176,125,79,.28),transparent 58%);
  }
  .cta-box h2{color:var(--paper-2);font-size:clamp(21px,2.4vw,28px);}
  .cta-box p{font-size:14px;color:rgba(245,241,232,.74);margin-top:10px;max-width:520px;}
  .cta-actions{display:flex;gap:12px;flex-shrink:0;}

  /* ---------- 页脚 ---------- */
  .footer{
    margin-top:72px;
    background:var(--brand-900);
    color:var(--paper);
    padding:56px 0 26px;
    background-image:radial-gradient(circle at 10% 0%,rgba(176,125,79,.16),transparent 55%);
  }
  .footer .container-x{padding:0 40px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
  .footer .brand-mark{border-bottom:0;padding:0 0 14px;}
  .footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(245,241,232,.62);max-width:300px;}
  .footer h4{font-size:14px;color:var(--paper-2);font-family:var(--serif);letter-spacing:.04em;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13.5px;color:rgba(245,241,232,.66);transition:color .2s ease;}
  .footer-links a:hover{color:var(--copper);}
  .footer-contact{font-size:13.5px;line-height:2;color:rgba(245,241,232,.66);}
  .footer-contact strong{color:rgba(245,241,232,.9);font-weight:500;}
  .footer-bottom{
    margin-top:36px;padding-top:20px;
    border-top:1px solid rgba(245,241,232,.16);
    display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:12.5px;color:rgba(245,241,232,.5);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .sidebar{width:228px;flex:0 0 228px;}
    .container-x{padding:0 32px;}
    .poster-grid{grid-template-columns:repeat(4,1fr);gap:16px;}
  }
  @media (max-width:1023px){
    .layout{display:block;}
    .sidebar{display:none;}
    .mobile-bar{display:flex;}
    .container-x{padding:0 24px;}
    .footer .container-x{padding:0 24px;}
    .hero-banner{padding:28px;min-height:280px;}
    .hero-meta{position:static;margin-top:22px;justify-content:flex-start;}
    .poster-grid{grid-template-columns:repeat(2,1fr);}
    .related-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:767px){
    .section{margin-top:46px;}
    .hero-banner{padding:24px 20px;min-height:300px;border-radius:16px;}
    .hero-actions{gap:10px;}
    .stat-strip{grid-template-columns:repeat(2,1fr);}
    .catalog-row{grid-template-columns:42px 1fr 22px;gap:12px;padding:16px 10px;}
    .catalog-meta{display:none;}
    .tl-item{grid-template-columns:1fr;gap:12px;padding:22px 0;}
    .tl-meta{border-left:0;border-top:2px solid rgba(176,125,79,.55);padding-left:0;padding-top:10px;display:flex;gap:12px;align-items:baseline;}
    .tl-date{margin-top:0;}
    .rule-wrap{grid-template-columns:1fr;}
    .cta-box{flex-direction:column;align-items:flex-start;padding:30px 24px;}
    .cta-actions{width:100%;flex-wrap:wrap;}
    .footer-grid{grid-template-columns:1fr;}
    .footer{padding:44px 0 22px;}
  }
  @media (max-width:519px){
    .container-x{padding:0 18px;}
    .poster-grid{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .cta-actions{flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
    .poster-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  }

/* roulang page: category2 */
:root{
  --brand-900:#142A27;
  --brand-800:#173B35;
  --brand-700:#1F4D46;
  --brand-500:#3F7568;
  --copper:#B07D4F;
  --clay:#C65A3A;
  --paper:#F5F1E8;
  --paper-2:#FFFDF7;
  --ink:#1B211F;
  --muted:#6B746F;
  --line:#D9D2C4;
  --focus:#2F6F61;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(23,42,39,.08);
  --shadow-hover:0 16px 38px rgba(23,42,39,.12);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
  border-radius:8px;
}
::selection{background:rgba(176,125,79,.28)}

/* 布局骨架 */
.site-shell{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  min-height:100vh;
}
.page-main{min-width:0;display:flex;flex-direction:column}
.container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* 侧栏导航 */
.side-rail{
  position:sticky;
  top:0;
  height:100vh;
  background:linear-gradient(175deg,var(--brand-900) 0%,var(--brand-800) 62%,#123029 100%);
  color:#EFE9DC;
  display:flex;
  flex-direction:column;
  padding:30px 20px 24px;
  border-right:1px solid rgba(245,241,232,.08);
}
.brand-mark{display:flex;align-items:center;gap:10px}
.brand-glyph{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;color:#F6EADA;
  background:rgba(176,125,79,.22);
  border:1px solid rgba(176,125,79,.45);
}
.brand-text{font-family:var(--serif);font-size:18px;line-height:1.3;color:#FFFFFF;letter-spacing:.02em}
.rail-note{
  margin-top:14px;
  font-size:12px;
  letter-spacing:.16em;
  color:rgba(245,241,232,.45);
}
.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:34px}
.nav-link{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:46px;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:rgba(245,241,232,.76);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-link:hover{background:rgba(245,241,232,.08);color:#FFFFFF;transform:translateX(2px)}
.nav-link.is-active{
  background:rgba(245,241,232,.11);
  color:#FFFFFF;
  font-weight:600;
}
.nav-link.is-active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:2px;background:var(--copper);
}
.nav-count{
  font-size:12px;letter-spacing:.06em;
  color:rgba(176,125,79,.92);
  font-variant-numeric:tabular-nums;
}
.rail-foot{
  margin-top:auto;padding-top:20px;
  border-top:1px solid rgba(245,241,232,.16);
  display:flex;flex-direction:column;gap:10px;
  font-size:13px;
}
.rail-foot a{color:rgba(245,241,232,.72);transition:color .18s}
.rail-foot a:hover{color:var(--copper)}

/* 移动端顶栏与抽屉 */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:70;
  height:64px;
  align-items:center;justify-content:space-between;
  padding:0 20px;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand-text{color:var(--brand-900);font-size:17px}
.mobile-bar .brand-glyph{width:34px;height:34px;background:rgba(31,77,70,.1);border-color:rgba(31,77,70,.25);color:var(--brand-800)}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:12px;
  cursor:pointer;transition:background .18s,border-color .18s;
}
.burger:hover{background:rgba(176,125,79,.1);border-color:var(--copper)}
.burger span{display:block;width:18px;height:2px;background:var(--brand-800);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-800);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--brand-900);
  color:#F5F1E8;
  padding:22px 20px 32px;
  display:none;
  flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{display:flex;animation:drawerIn .18s ease both}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid rgba(245,241,232,.18)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid rgba(245,241,232,.35);
  color:#F5F1E8;font-size:20px;line-height:1;cursor:pointer;
  transition:background .18s,border-color .18s;
}
.drawer-close:hover{background:rgba(245,241,232,.12);border-color:var(--copper)}
.drawer .nav-list{margin-top:22px}
.drawer .nav-link{color:rgba(245,241,232,.82);min-height:50px;font-size:16px}
.drawer .nav-link.is-active{background:rgba(245,241,232,.14);color:#FFF}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:13px;color:rgba(245,241,232,.6)}

/* Hero */
.hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:flex-end;
  color:#F7F3EA;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(20,42,39,.95) 0%,rgba(20,42,39,.82) 46%,rgba(20,42,39,.42) 100%);
}
.hero-inner{
  position:relative;z-index:1;
  padding-top:74px;padding-bottom:28px;
  display:flex;flex-direction:column;gap:26px;
}
.eyebrow{
  display:inline-block;
  font-size:12px;letter-spacing:.2em;
  color:var(--copper);
  margin-bottom:12px;
}
.eyebrow.light{color:#D8B48E}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(30px,3.4vw,42px);
  line-height:1.28;
  letter-spacing:-.01em;
  margin:0 0 14px;
  max-width:20ch;
}
.hero-sub{font-size:16px;color:rgba(247,243,234,.86);max-width:42ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 26px;
  border-top:1px solid rgba(245,241,232,.28);
  padding-top:14px;
  font-size:13px;letter-spacing:.06em;
  color:rgba(245,241,232,.78);
}
.hero-meta span{position:relative;padding-left:14px}
.hero-meta span::before{
  content:"";position:absolute;left:0;top:50%;width:5px;height:5px;
  border-radius:50%;background:var(--copper);transform:translateY(-50%);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:none}
.btn-primary{background:var(--brand-800);color:var(--paper);box-shadow:0 8px 20px rgba(23,59,53,.18)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 12px 26px rgba(23,59,53,.24)}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:rgba(23,59,53,.35)}
.btn-ghost:hover{background:rgba(176,125,79,.12);border-color:var(--copper);transform:translateY(-1px)}
.btn-light{background:var(--paper);color:var(--brand-900)}
.btn-light:hover{background:#FFFFFF;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F5F1E8;border-color:rgba(245,241,232,.55)}
.btn-outline-light:hover{background:rgba(245,241,232,.12);border-color:var(--copper);transform:translateY(-1px)}

/* 板块 */
.section{padding:60px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:30px;flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.32;
  letter-spacing:-.01em;
}
.section-note{font-size:13px;color:var(--muted);max-width:36ch}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-2);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.stat{padding:22px 20px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-family:var(--serif);
  font-size:30px;line-height:1.2;color:var(--brand-700);
  font-weight:600;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* 流程步骤 */
.steps{display:flex;flex-direction:column}
.step{
  display:grid;grid-template-columns:60px minmax(0,1fr);
  gap:20px;padding:22px 0;
  border-bottom:1px dashed var(--line);
}
.step:last-child{border-bottom:0}
.step-idx{
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:17px;color:var(--brand-700);
  background:rgba(63,117,104,.1);
  border:1px solid rgba(63,117,104,.28);
}
.step-body h3{
  font-family:var(--serif);font-size:20px;line-height:1.4;margin-bottom:6px;
}
.step-body p{color:#3C4642;font-size:15px}
.step-meta{
  display:inline-block;margin-top:8px;
  font-size:12px;letter-spacing:.08em;color:var(--copper);
}

/* 服务清单 */
.svc-list{display:flex;flex-direction:column;gap:16px}
.svc-card{
  display:grid;
  grid-template-columns:180px minmax(0,1fr) 210px;
  gap:24px;align-items:center;
  padding:18px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-2);
  box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.svc-card:hover{
  border-color:rgba(176,125,79,.55);
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.svc-thumb{
  aspect-ratio:16/10;border-radius:var(--radius-sm);
  overflow:hidden;background:rgba(63,117,104,.08);
}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.svc-card:hover .svc-thumb img{transform:scale(1.03)}
.svc-title{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:8px;
}
.svc-title h3{font-family:var(--serif);font-size:20px;line-height:1.4}
.svc-num{
  font-family:var(--serif);font-size:13px;color:var(--copper);
  letter-spacing:.12em;
}
.svc-desc{font-size:15px;color:#3C4642;max-width:56ch}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;line-height:1.6;
  color:#8A5F36;
  background:rgba(176,125,79,.12);
  border:1px solid rgba(176,125,79,.28);
}
.tag.green{color:var(--brand-700);background:rgba(63,117,104,.1);border-color:rgba(63,117,104,.28)}
.svc-aside{
  border-left:1px solid var(--line);
  padding-left:20px;
  font-size:13px;color:var(--muted);
}
.svc-aside strong{display:block;color:var(--ink);font-size:14px;font-weight:600;margin-bottom:4px}
.bar{
  height:6px;border-radius:999px;
  background:rgba(63,117,104,.14);
  overflow:hidden;margin-top:10px;
}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-500),var(--brand-700));border-radius:999px}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.panel{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-2);padding:26px;box-shadow:var(--shadow);
}
.panel h3{font-family:var(--serif);font-size:20px;margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.check-list li{display:grid;grid-template-columns:22px minmax(0,1fr);gap:12px;font-size:15px;color:#3C4642}
.check-list li::before{
  content:"";width:8px;height:8px;margin-top:10px;border-radius:2px;
  background:var(--copper);transform:rotate(45deg);
}
.panel.dark{
  background:var(--brand-900);color:#F1EBDE;border-color:var(--brand-900);
}
.panel.dark h3{color:#FFFFFF}
.panel.dark .mini-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(241,235,222,.82)}
.panel.dark .mini-list span{display:block;font-size:12px;letter-spacing:.14em;color:rgba(216,180,142,.9);margin-bottom:2px}

/* 方案对比 */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow-x:auto;background:var(--paper-2);box-shadow:var(--shadow);
}
.compare{width:100%;border-collapse:collapse;min-width:660px}
.compare thead th{
  font-family:var(--serif);font-size:15px;
  padding:16px 18px;text-align:left;
  background:rgba(23,59,53,.06);
  border-bottom:1px solid var(--line);
  color:var(--brand-800);
  white-space:nowrap;
}
.compare tbody th{
  text-align:left;font-size:14px;font-weight:600;
  padding:14px 18px;color:var(--muted);
  border-bottom:1px solid var(--line);
  background:rgba(245,241,232,.5);
  white-space:nowrap;
}
.compare tbody td{
  padding:14px 18px;font-size:15px;color:#3C4642;
  border-bottom:1px solid var(--line);
}
.compare tbody tr:last-child th,
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover td{background:rgba(176,125,79,.07)}
.compare .hl{color:var(--brand-700);font-weight:600}

/* 时段日历 */
.cal-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.cal-card{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper-2);padding:18px 16px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.cal-card:hover{border-color:rgba(176,125,79,.55);box-shadow:var(--shadow);transform:translateY(-2px)}
.cal-card b{display:block;font-family:var(--serif);font-size:17px;color:var(--brand-700);margin-bottom:6px}
.cal-card p{font-size:14px;color:#3C4642}
.cal-card em{display:block;margin-top:8px;font-style:normal;font-size:12px;color:var(--copper);letter-spacing:.06em}
.cal-note{
  margin-top:18px;font-size:14px;color:var(--muted);
  border-left:3px solid var(--copper);padding-left:14px;
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper-2);overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(176,125,79,.5)}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:17px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  font-size:22px;line-height:1;color:var(--copper);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;font-size:15px;color:#3C4642;line-height:1.85}
.faq-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}

/* CTA */
.cta-band{
  background:var(--brand-900);
  color:var(--paper);
  border-radius:var(--radius);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-family:var(--serif);font-size:clamp(22px,2.4vw,28px);
  color:#FFFFFF;line-height:1.35;margin-bottom:8px;
}
.cta-band p{font-size:15px;color:rgba(245,241,232,.78);max-width:46ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.footer{
  background:var(--brand-900);
  color:#E9E3D6;
  padding:56px 0 24px;
  margin-top:auto;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(245,241,232,.16);
}
.footer h4{
  font-size:13px;letter-spacing:.16em;font-weight:500;
  color:rgba(245,241,232,.52);margin-bottom:14px;
}
.footer-brand p{
  margin-top:14px;font-size:14px;
  color:rgba(245,241,232,.7);line-height:1.85;max-width:36ch;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(245,241,232,.82);transition:color .18s,transform .18s}
.footer-links a:hover{color:var(--copper)}
.footer-contact{font-size:14px;color:rgba(245,241,232,.76);line-height:2}
.footer-contact strong{
  display:inline-block;margin-top:6px;
  color:rgba(245,241,232,.48);
  font-size:12px;letter-spacing:.12em;font-weight:500;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;font-size:13px;color:rgba(245,241,232,.55);
}

/* 响应式 */
@media (max-width:1279px){
  .site-shell{grid-template-columns:224px minmax(0,1fr)}
  .svc-card{grid-template-columns:150px minmax(0,1fr) 190px;gap:20px}
}
@media (max-width:1023px){
  .site-shell{grid-template-columns:minmax(0,1fr)}
  .side-rail{display:none}
  .mobile-bar{display:flex}
  .container-x{padding:0 24px}
  .hero-inner{padding-top:56px}
  .svc-card{grid-template-columns:150px minmax(0,1fr)}
  .svc-aside{grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:14px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .cal-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .container-x{padding:0 20px}
  .section{padding:44px 0}
  .hero{min-height:280px}
  .hero-inner{padding-top:44px;padding-bottom:22px;gap:20px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .svc-card{grid-template-columns:minmax(0,1fr);gap:16px}
  .svc-thumb{aspect-ratio:16/9}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .cal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .footer{padding:44px 0 20px}
  .step{grid-template-columns:48px minmax(0,1fr);gap:14px}
  .step-idx{width:40px;height:40px;font-size:15px}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:minmax(0,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .cal-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .hero-meta{font-size:12px;gap:6px 18px}
  .svc-title h3{font-size:18px}
  .faq-item summary{font-size:16px;padding:16px 16px}
  .faq-body{padding:0 16px 18px}
}

/* roulang page: category3 */
:root{
    --brand-900:#142A27;
    --brand-800:#173B35;
    --brand-700:#1F4D46;
    --brand-500:#3F7568;
    --copper:#B07D4F;
    --clay:#C65A3A;
    --paper:#F5F1E8;
    --paper-2:#FFFDF7;
    --ink:#1B211F;
    --muted:#6B746F;
    --line:#D9D2C4;
    --focus:#2F6F61;
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 12px 30px rgba(23,42,39,.08);
    --shadow-lg:0 18px 40px rgba(23,42,39,.12);
    --serif:"Noto Serif SC","Songti SC","STSong",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    --sidebar-w:248px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}
  h1,h2,h3,h4{font-family:var(--serif);margin:0;color:var(--brand-900);letter-spacing:.01em;}
  h1{font-size:clamp(30px,3.4vw,44px);line-height:1.25;}
  h2{font-size:clamp(24px,2.4vw,32px);line-height:1.3;}
  h3{font-size:clamp(18px,1.6vw,22px);line-height:1.4;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px;}
  ::selection{background:rgba(176,125,79,.28);}

  /* layout */
  .site-shell{min-height:100vh;}
  .main-col{margin-left:var(--sidebar-w);}
  .container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

  /* sidebar */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
    background:linear-gradient(180deg,var(--brand-900) 0%,var(--brand-800) 100%);
    color:var(--paper);display:flex;flex-direction:column;gap:8px;
    padding:26px 18px 22px;z-index:60;overflow-y:auto;
  }
  .sidebar::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,rgba(176,125,79,.45),rgba(245,241,232,.06));
  }
  .brand-mark{display:flex;align-items:center;gap:10px;padding:4px 8px 2px;}
  .brand-glyph{
    width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
    font-family:var(--serif);font-size:18px;color:var(--brand-900);
    background:linear-gradient(150deg,#E7D4BC,#B07D4F);border-radius:9px;
  }
  .brand-text{font-family:var(--serif);font-size:17px;letter-spacing:.04em;color:#FBF7EE;line-height:1.3;}
  .brand-sub{
    font-size:12px;letter-spacing:.16em;color:rgba(245,241,232,.5);
    padding:0 8px 18px;margin-top:2px;border-bottom:1px solid rgba(245,241,232,.12);
  }
  .nav-list{display:flex;flex-direction:column;gap:2px;margin-top:10px;}
  .nav-link{
    position:relative;display:flex;align-items:center;justify-content:space-between;
    min-height:46px;padding:0 12px 0 14px;border-radius:10px;
    font-size:15px;color:rgba(245,241,232,.78);
  }
  .nav-link::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
    background:transparent;transition:background .18s ease;
  }
  .nav-link:hover{background:rgba(245,241,232,.07);color:#FFFDF7;}
  .nav-link.is-active{
    background:rgba(176,125,79,.16);color:#FFFDF7;font-weight:600;
  }
  .nav-link.is-active::before{background:var(--copper);}
  .nav-count{
    font-family:var(--serif);font-size:12px;color:rgba(176,125,79,.9);letter-spacing:.06em;
  }
  .nav-link.is-active .nav-count{color:#E2C49B;}
  .sidebar-foot{
    margin-top:auto;padding-top:16px;border-top:1px solid rgba(245,241,232,.14);
    display:flex;flex-direction:column;gap:8px;
  }
  .sidebar-foot a{
    font-size:13px;color:rgba(245,241,232,.62);padding:6px 8px;border-radius:8px;
  }
  .sidebar-foot a:hover{color:var(--copper);background:rgba(245,241,232,.05);}

  /* mobile bar + drawer */
  .mobile-bar{display:none;}
  .drawer{display:none;}

  /* buttons */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
    font-size:15px;font-weight:600;letter-spacing:.02em;
    transition:transform .16s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand-800);color:#FFFDF7;border:1px solid var(--brand-800);}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;color:var(--brand-800);border:1px solid rgba(31,77,70,.35);}
  .btn-ghost:hover{background:rgba(176,125,79,.14);border-color:var(--copper);color:var(--brand-900);}
  .btn-paper{background:var(--paper-2);color:var(--brand-900);border:1px solid var(--paper-2);}
  .btn-paper:hover{background:#F1E7D6;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;color:#FBF7EE;border:1px solid rgba(226,196,155,.55);}
  .btn-outline-light:hover{background:rgba(176,125,79,.2);border-color:var(--copper);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}

  /* hero */
  .hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(105deg,rgba(20,42,39,.94) 0%,rgba(23,59,53,.85) 52%,rgba(23,59,53,.42) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center 40%;
    color:#FBF7EE;
  }
  .hero-inner{padding:64px 0 54px;max-width:820px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.2em;text-transform:uppercase;
    color:#E2C49B;padding:6px 12px;border:1px solid rgba(226,196,155,.4);border-radius:999px;
  }
  .hero h1{color:#FFFDF7;margin:20px 0 14px;}
  .hero p.lead{font-size:17px;color:rgba(251,247,238,.82);max-width:620px;}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:30px;padding-top:18px;
    border-top:1px solid rgba(245,241,232,.18);font-size:13px;color:rgba(245,241,232,.68);
  }
  .hero-meta b{color:#E2C49B;font-weight:600;font-family:var(--serif);margin-right:6px;}

  /* section */
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
  .section-head .eyebrow{
    font-family:var(--serif);font-size:12px;letter-spacing:.24em;color:var(--copper);
    display:block;margin-bottom:10px;
  }
  .section-head p{color:var(--muted);font-size:14px;max-width:520px;margin-top:10px;}
  .link-more{
    font-size:14px;color:var(--brand-700);border-bottom:1px solid rgba(31,77,70,.3);
    padding-bottom:2px;white-space:nowrap;
  }
  .link-more:hover{color:var(--copper);border-color:var(--copper);}

  /* featured */
  .featured{
    display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .featured:hover{box-shadow:var(--shadow-lg);border-color:rgba(176,125,79,.55);}
  .featured-media{position:relative;overflow:hidden;min-height:300px;background:var(--brand-800);}
  .featured-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .featured:hover .featured-media img{transform:scale(1.03);}
  .featured-body{padding:34px 34px 30px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;letter-spacing:.08em;color:var(--brand-700);
    background:rgba(63,117,104,.1);border:1px solid rgba(63,117,104,.22);
    padding:4px 10px;border-radius:999px;
  }
  .badge--copper{color:#8B5C31;background:rgba(176,125,79,.12);border-color:rgba(176,125,79,.34);}
  .featured-body h3{margin:16px 0 12px;font-size:clamp(21px,2vw,26px);line-height:1.4;}
  .featured-body p{color:var(--muted);font-size:15px;}
  .featured-foot{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .arrow{transition:transform .18s ease;display:inline-block;}
  .featured:hover .arrow,.observe-row:hover .arrow,.rel-card:hover .arrow{transform:translateX(3px);}

  /* observe list */
  .observe-list{border-top:1px solid var(--line);}
  .observe-row{
    display:grid;grid-template-columns:64px minmax(0,1fr) auto;
    gap:20px;align-items:start;
    padding:26px 16px 26px 8px;border-bottom:1px solid var(--line);
    transition:background-color .18s ease;
  }
  .observe-row:hover{background:rgba(176,125,79,.08);}
  .observe-no{
    font-family:var(--serif);font-size:22px;color:var(--copper);line-height:1.1;
    padding-top:2px;letter-spacing:.04em;
  }
  .observe-row h3{font-size:19px;margin-bottom:8px;}
  .observe-row p{font-size:14.5px;color:var(--muted);max-width:640px;}
  .observe-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .tag{
    font-size:12px;color:var(--brand-500);border:1px solid var(--line);
    padding:2px 9px;border-radius:999px;background:var(--paper-2);
  }
  .observe-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;font-size:13px;color:var(--muted);white-space:nowrap;}
  .observe-side .go{color:var(--brand-700);font-weight:600;font-size:13.5px;}

  /* measure */
  .measure-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
  .measure-note{
    background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--copper);
    border-radius:var(--radius-sm);padding:22px 24px;color:var(--muted);font-size:14.5px;
  }
  .measure-list{counter-reset:m;display:flex;flex-direction:column;gap:2px;}
  .measure-item{
    display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
    padding:18px 6px;border-bottom:1px dashed var(--line);
  }
  .measure-item:last-child{border-bottom:none;}
  .measure-item .idx{
    font-family:var(--serif);font-size:15px;color:var(--copper);padding-top:3px;
  }
  .measure-item h3{font-size:17px;margin-bottom:6px;}
  .measure-item p{font-size:14.5px;color:var(--muted);}

  /* stat strip */
  .stat-strip{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    background:var(--brand-900);border-radius:var(--radius);overflow:hidden;
    color:#FBF7EE;
  }
  .stat-item{padding:30px 26px;border-right:1px solid rgba(245,241,232,.13);}
  .stat-item:last-child{border-right:none;}
  .stat-item .num{font-family:var(--serif);font-size:clamp(26px,2.6vw,34px);color:#E2C49B;line-height:1.1;}
  .stat-item .lab{font-size:13px;color:rgba(251,247,238,.68);margin-top:8px;}

  /* subscribe */
  .subscribe{
    display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
    padding:38px 40px;box-shadow:var(--shadow);
  }
  .subscribe p{color:var(--muted);font-size:15px;margin-top:12px;}
  .form-row{display:flex;gap:12px;flex-wrap:wrap;}
  .field{
    flex:1 1 220px;min-height:46px;padding:0 16px;border-radius:var(--radius-sm);
    border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink);
    font-family:var(--sans);
  }
  .field::placeholder{color:#A6ACA6;}
  .field:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(176,125,79,.18);}
  .form-hint{font-size:12.5px;color:var(--muted);margin-top:10px;}
  .form-msg{font-size:13px;color:var(--clay);margin-top:8px;min-height:18px;}

  /* faq */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{border-color:rgba(176,125,79,.5);}
  .faq-item[open]{box-shadow:var(--shadow);border-color:rgba(176,125,79,.55);}
  .faq-item summary{
    list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--brand-900);cursor:pointer;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-family:var(--serif);font-size:20px;color:var(--copper);
    transition:transform .2s ease;line-height:1;
  }
  .faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
  .faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.8;}

  /* CTA */
  .cta-band{
    background:linear-gradient(120deg,var(--brand-900),var(--brand-700));
    border-radius:var(--radius);color:#FBF7EE;padding:44px 44px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
  }
  .cta-band h2{color:#FFFDF7;}
  .cta-band p{color:rgba(251,247,238,.75);font-size:14.5px;margin-top:10px;max-width:520px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* related */
  .rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .rel-card{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:18px 20px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .rel-card:hover{border-color:rgba(176,125,79,.55);box-shadow:var(--shadow);}
  .rel-card .dot{
    width:6px;height:6px;border-radius:50%;background:var(--copper);margin-top:9px;flex:0 0 6px;
  }
  .rel-card h3{font-size:16px;line-height:1.5;}
  .rel-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;}

  /* footer */
  .footer{background:var(--brand-900);color:rgba(251,247,238,.78);padding:56px 0 26px;margin-top:8px;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;
    padding-bottom:32px;border-bottom:1px solid rgba(245,241,232,.14);
  }
  .footer h4{color:#FFFDF7;font-size:15px;margin-bottom:14px;letter-spacing:.06em;}
  .footer-brand .brand-mark{padding:0;margin-bottom:14px;}
  .footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(251,247,238,.64);max-width:320px;}
  .footer-links{display:flex;flex-direction:column;gap:9px;font-size:13.5px;}
  .footer-links a{color:rgba(251,247,238,.72);}
  .footer-links a:hover{color:var(--copper);}
  .footer-contact{font-size:13.5px;line-height:1.9;color:rgba(251,247,238,.66);}
  .footer-contact strong{color:#FFFDF7;font-weight:600;}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding-top:20px;font-size:12.5px;color:rgba(251,247,238,.5);
  }

  /* responsive */
  @media (max-width:1279px){
    :root{--sidebar-w:224px;}
    .container-x{padding:0 32px;}
    .featured-body{padding:28px;}
  }
  @media (max-width:1023px){
    .sidebar{display:none;}
    .main-col{margin-left:0;}
    .mobile-bar{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      min-height:64px;padding:0 20px;position:sticky;top:0;z-index:70;
      background:var(--paper-2);border-bottom:1px solid var(--line);
    }
    .brand-mark--mobile .brand-glyph{width:30px;height:30px;flex:0 0 30px;font-size:16px;border-radius:8px;}
    .brand-mark--mobile .brand-text{font-size:15.5px;color:var(--brand-900);}
    .burger{
      width:44px;height:44px;display:grid;place-items:center;gap:5px;
      border:1px solid var(--line);border-radius:10px;background:var(--paper-2);
    }
    .burger span{display:block;width:18px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
    .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
    .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
    .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
    .drawer{
      display:block;position:fixed;inset:64px 0 auto 0;z-index:65;
      background:var(--brand-900);color:#FBF7EE;padding:18px 20px 26px;
      border-bottom:1px solid rgba(245,241,232,.16);
      transform:translateY(-12px);opacity:0;pointer-events:none;
      transition:opacity .18s ease,transform .18s ease;
      max-height:calc(100vh - 64px);overflow-y:auto;
    }
    .drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
    .drawer .nav-link{min-height:48px;font-size:16px;}
    .drawer-foot{display:flex;gap:18px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(245,241,232,.16);font-size:13px;}
    .drawer-foot a{color:rgba(251,247,238,.7);}
    .drawer-foot a:hover{color:var(--copper);}
    .hero-inner{padding:48px 0 42px;}
    .section{padding:56px 0;}
    .measure-grid{grid-template-columns:1fr;gap:26px;}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-item:nth-child(2){border-right:none;}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(245,241,232,.13);}
    .subscribe{grid-template-columns:1fr;gap:24px;padding:30px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:34px;}
  }
  @media (max-width:767px){
    .container-x{padding:0 20px;}
    .featured{grid-template-columns:1fr;}
    .featured-media{min-height:200px;aspect-ratio:16/10;}
    .observe-row{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:22px 8px;}
    .observe-side{grid-column:2;flex-direction:row;justify-content:space-between;align-items:center;width:100%;}
    .observe-no{font-size:19px;}
    .rel-grid{grid-template-columns:1fr;}
    .hero-meta{gap:8px 20px;font-size:12.5px;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .footer-brand{grid-column:1 / -1;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 160px;}
  }
  @media (max-width:519px){
    h1{font-size:29px;}
    .hero-inner{padding:38px 0 34px;}
    .hero p.lead{font-size:15px;}
    .stat-strip{grid-template-columns:1fr;}
    .stat-item{border-right:none;border-bottom:1px solid rgba(245,241,232,.13);padding:22px;}
    .stat-item:last-child{border-bottom:none;}
    .subscribe{padding:24px;}
    .form-row{flex-direction:column;}
    .field{width:100%;flex:1 1 auto;}
    .form-row .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:6px;}
    .observe-row h3{font-size:17.5px;}
    .faq-item summary{font-size:16px;padding:16px 18px;}
  }

/* roulang page: category4 */
:root{
    --brand-900:#142A27;
    --brand-800:#173B35;
    --brand-700:#1F4D46;
    --brand-500:#3F7568;
    --copper:#B07D4F;
    --clay:#C65A3A;
    --paper:#F5F1E8;
    --paper-2:#FFFDF7;
    --ink:#1B211F;
    --muted:#6B746F;
    --line:#D9D2C4;
    --focus:#2F6F61;
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 12px 30px rgba(23,42,39,.08);
    --shadow-lg:0 18px 40px rgba(23,42,39,.12);
    --serif:"Noto Serif SC","Songti SC","STSong",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;}
  :focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:8px;}

  .shell{display:flex;min-height:100vh;align-items:flex-start;}

  /* 左侧竖向导航 */
  .sidebar{
    width:248px;flex:0 0 248px;
    position:sticky;top:0;height:100vh;
    background:var(--brand-900);
    color:var(--paper);
    padding:32px 22px 24px;
    display:flex;flex-direction:column;
    overflow-y:auto;
  }
  .brand{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
  .brand-glyph{
    width:38px;height:38px;flex:0 0 38px;
    display:grid;place-items:center;
    border:1px solid rgba(176,125,79,.7);
    border-radius:10px;
    font-family:var(--serif);font-size:19px;color:var(--copper);
    background:rgba(176,125,79,.10);
  }
  .brand-text{
    font-family:var(--serif);font-size:19px;letter-spacing:.5px;line-height:1.3;
  }
  .brand-note{
    margin:0 0 26px;font-size:12px;line-height:1.7;
    color:rgba(245,241,232,.55);letter-spacing:.3px;
  }
  .nav-list{display:flex;flex-direction:column;gap:2px;}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:46px;padding:0 12px;
    border-left:2px solid transparent;
    border-radius:0 10px 10px 0;
    font-size:15px;color:rgba(245,241,232,.76);
    transition:background .2s,color .2s,border-color .2s;
  }
  .nav-link:hover{background:rgba(245,241,232,.07);color:var(--paper);}
  .nav-link.is-active{
    background:rgba(176,125,79,.16);
    border-left-color:var(--copper);
    color:var(--paper);font-weight:600;
  }
  .nav-count{font-size:11px;letter-spacing:1px;color:rgba(245,241,232,.42);}
  .nav-link.is-active .nav-count{color:var(--copper);}
  .sidebar-foot{
    margin-top:auto;padding-top:20px;border-top:1px solid rgba(245,241,232,.14);
    display:flex;flex-direction:column;gap:10px;font-size:13px;
  }
  .sidebar-foot a{color:rgba(245,241,232,.62);transition:color .2s;}
  .sidebar-foot a:hover{color:var(--copper);}

  /* 移动端顶部条与抽屉 */
  .mob-top{display:none;}
  .drawer{display:none;}

  .main-col{flex:1 1 auto;min-width:0;}

  .container-x{max-width:1180px;margin:0 auto;padding:0 40px;}

  /* Hero */
  .hero{position:relative;overflow:hidden;background:var(--brand-900);color:var(--paper);}
  .hero-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:.5;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(112deg,rgba(20,42,39,.96) 0%,rgba(20,42,39,.82) 42%,rgba(20,42,39,.34) 100%);
  }
  .hero-inner{
    position:relative;z-index:1;
    padding-top:52px;padding-bottom:44px;
    min-height:300px;display:flex;flex-direction:column;justify-content:center;
  }
  .crumb{font-size:13px;color:rgba(245,241,232,.62);margin-bottom:18px;letter-spacing:.3px;}
  .crumb span{color:var(--copper);}
  .hero h1{
    font-family:var(--serif);
    font-size:clamp(30px,4vw,46px);
    line-height:1.24;margin:0 0 14px;letter-spacing:.5px;
  }
  .hero-sub{
    margin:0 0 26px;font-size:15px;color:rgba(245,241,232,.82);max-width:620px;
  }
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:28px;
    padding-top:16px;border-top:1px solid rgba(245,241,232,.18);
    font-size:13px;color:rgba(245,241,232,.66);
  }
  .hero-meta b{
    font-family:var(--serif);font-size:18px;color:var(--paper);
    margin-right:6px;letter-spacing:.5px;
  }

  /* 板块 */
  .section{padding:72px 0;}
  .section + .section{padding-top:0;}
  .sec-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:20px;margin-bottom:28px;padding-bottom:14px;
    border-bottom:1px solid var(--line);
  }
  .sec-head h2{
    font-family:var(--serif);font-size:clamp(23px,2.6vw,31px);
    margin:0;line-height:1.3;letter-spacing:.3px;
  }
  .sec-head p{margin:6px 0 0;font-size:14px;color:var(--muted);}
  .sec-link{font-size:14px;color:var(--brand-700);white-space:nowrap;transition:color .2s;}
  .sec-link:hover{color:var(--copper);}
  .sec-link::after{content:" →";}

  /* 分区速览 */
  .catalog{
    background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  }
  .catalog-row{
    display:grid;
    grid-template-columns:58px minmax(0,1fr) 190px 96px 22px;
    align-items:center;gap:20px;
    padding:22px 26px;border-bottom:1px solid var(--line);
    transition:background .2s;
  }
  .catalog-row:last-child{border-bottom:0;}
  .catalog-row:hover{background:rgba(176,125,79,.08);}
  .catalog-num{
    font-family:var(--serif);font-size:21px;color:var(--copper);letter-spacing:1px;
  }
  .catalog-row h3{
    margin:0 0 4px;font-size:18px;font-family:var(--serif);letter-spacing:.3px;
  }
  .catalog-row p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.65;}
  .meter{
    height:6px;border-radius:99px;background:rgba(20,42,39,.09);overflow:hidden;
  }
  .meter span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand-500),var(--copper));}
  .meter-label{font-size:12px;color:var(--muted);margin-top:6px;}
  .catalog-count{font-size:13px;color:var(--muted);text-align:right;}
  .catalog-count b{display:block;font-family:var(--serif);font-size:18px;color:var(--brand-700);}
  .catalog-arrow{color:var(--copper);font-size:16px;transition:transform .2s;}
  .catalog-row:hover .catalog-arrow{transform:translateX(3px);}

  /* 高频解答竖版卡 */
  .poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .poster{
    display:flex;flex-direction:column;
    background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .poster:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(176,125,79,.55);}
  .poster-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--brand-800);}
  .poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
  .poster:hover .poster-thumb img{transform:scale(1.04);}
  .hot-tag{
    position:absolute;left:12px;top:12px;
    background:rgba(20,42,39,.86);color:var(--paper);
    font-size:12px;letter-spacing:.5px;
    padding:4px 10px;border-radius:99px;border:1px solid rgba(176,125,79,.6);
  }
  .poster-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .badge{
    align-self:flex-start;font-size:12px;letter-spacing:.4px;
    color:var(--brand-700);background:rgba(63,117,104,.12);
    border-radius:99px;padding:3px 10px;
  }
  .poster-body h3{
    margin:0;font-family:var(--serif);font-size:18px;line-height:1.45;letter-spacing:.2px;
  }
  .poster-body p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7;}
  .poster-foot{
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
    font-size:12.5px;color:var(--muted);
  }
  .poster-foot .go{color:var(--brand-700);transition:color .2s;}
  .poster:hover .poster-foot .go{color:var(--copper);}

  /* 完整问答 */
  .faq-list{display:flex;flex-direction:column;gap:14px;}
  .faq{
    background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;transition:border-color .22s,box-shadow .22s;
  }
  .faq[open]{border-color:rgba(176,125,79,.62);box-shadow:var(--shadow);}
  .faq summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 24px;font-size:17.5px;font-weight:600;line-height:1.5;
    color:var(--ink);transition:background .2s;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary:hover{background:rgba(176,125,79,.07);}
  .faq summary .q-tag{
    flex:0 0 auto;margin-right:12px;
    font-size:11.5px;font-weight:400;letter-spacing:.4px;
    color:var(--copper);border:1px solid rgba(176,125,79,.5);
    border-radius:99px;padding:2px 9px;background:rgba(176,125,79,.08);
  }
  .faq summary .q-text{flex:1 1 auto;min-width:0;}
  .sign{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;
    border:1px solid var(--line);color:var(--brand-700);
    font-size:16px;line-height:1;transition:transform .22s,color .22s,border-color .22s;
  }
  .faq[open] .sign{transform:rotate(45deg);color:var(--copper);border-color:var(--copper);}
  .faq-body{padding:0 24px 22px;border-top:1px solid var(--line);}
  .faq-body p{margin:16px 0 0;font-size:15.5px;line-height:1.85;color:#333B38;}
  .faq-body .note{
    margin-top:14px;padding-left:14px;border-left:2px solid var(--copper);
    font-size:13.5px;color:var(--muted);
  }

  /* 如何提问 */
  .ask-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:28px;align-items:start;}
  .steps{display:flex;flex-direction:column;gap:14px;}
  .step{
    display:flex;gap:18px;align-items:flex-start;
    background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--radius);padding:20px 22px;
    transition:border-color .2s,box-shadow .2s;
  }
  .step:hover{border-color:rgba(176,125,79,.5);box-shadow:var(--shadow);}
  .step-num{
    flex:0 0 40px;width:40px;height:40px;border-radius:12px;
    display:grid;place-items:center;
    font-family:var(--serif);font-size:17px;color:var(--copper);
    background:rgba(176,125,79,.12);border:1px solid rgba(176,125,79,.4);
  }
  .step h3{margin:0 0 5px;font-size:17px;font-family:var(--serif);letter-spacing:.2px;}
  .step p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}

  .review-panel{
    background:var(--brand-900);color:var(--paper);
    border-radius:var(--radius);padding:26px 24px;
  }
  .review-panel h3{
    margin:0 0 6px;font-family:var(--serif);font-size:18px;letter-spacing:.4px;
  }
  .review-panel > p{margin:0 0 18px;font-size:13px;color:rgba(245,241,232,.62);line-height:1.7;}
  .review-item{
    display:flex;gap:14px;padding:13px 0;
    border-top:1px solid rgba(245,241,232,.14);
  }
  .review-date{
    flex:0 0 54px;font-family:var(--serif);font-size:14px;color:var(--copper);letter-spacing:.5px;
  }
  .review-item strong{display:block;font-size:14px;font-weight:600;line-height:1.5;}
  .review-item span{display:block;font-size:12.5px;color:rgba(245,241,232,.58);margin-top:3px;}

  /* CTA 表单 */
  .cta-band{
    margin:0 0 72px;
    background:var(--brand-900);color:var(--paper);
    border-radius:var(--radius);
    padding:44px 44px 46px;
    display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:40px;
    position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
    border:1px solid rgba(176,125,79,.28);border-radius:50%;
    pointer-events:none;
  }
  .cta-copy h2{
    margin:0 0 12px;font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);line-height:1.3;
  }
  .cta-copy p{margin:0 0 20px;font-size:14.5px;color:rgba(245,241,232,.74);line-height:1.8;}
  .cta-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;font-size:14px;color:rgba(245,241,232,.8);}
  .cta-points li{display:flex;gap:10px;align-items:flex-start;}
  .cta-points li::before{content:"·";color:var(--copper);font-size:20px;line-height:1.1;}
  .form-grid{display:grid;gap:14px;position:relative;z-index:1;}
  .field label{display:block;font-size:13px;color:rgba(245,241,232,.76);margin-bottom:7px;letter-spacing:.3px;}
  .field input,.field select,.field textarea{
    width:100%;background:var(--paper-2);color:var(--ink);
    border:1px solid var(--line);border-radius:12px;
    padding:11px 14px;font-size:15px;font-family:inherit;line-height:1.6;
    transition:border-color .2s,box-shadow .2s;
  }
  .field textarea{min-height:108px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(176,125,79,.28);
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .hint{font-size:12px;color:rgba(245,241,232,.5);margin:0;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:12px;padding:12px 26px;
    font-size:15px;font-weight:600;letter-spacing:.4px;
    border:1px solid transparent;
    transition:background .2s,color .2s,transform .15s,border-color .2s,box-shadow .2s;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--brand-900);color:var(--paper);}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
  .btn-ghost:hover{background:rgba(176,125,79,.16);border-color:var(--copper);color:var(--brand-800);}
  .btn-light{background:var(--paper);color:var(--brand-900);width:100%;}
  .btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.18);}

  /* 页脚 */
  .footer{background:var(--brand-900);color:var(--paper);padding:56px 0 26px;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
    padding-bottom:34px;border-bottom:1px solid rgba(245,241,232,.14);
  }
  .footer-brand p{margin:14px 0 0;font-size:13.5px;line-height:1.85;color:rgba(245,241,232,.62);max-width:300px;}
  .footer h4{margin:4px 0 14px;font-size:14px;letter-spacing:.6px;color:var(--paper);font-family:var(--serif);}
  .footer-links{display:flex;flex-direction:column;gap:9px;font-size:13.5px;}
  .footer-links a{color:rgba(245,241,232,.66);transition:color .2s;}
  .footer-links a:hover{color:var(--copper);}
  .footer-contact{font-size:13.5px;line-height:2;color:rgba(245,241,232,.66);}
  .footer-contact strong{color:rgba(245,241,232,.86);font-weight:600;font-size:12.5px;letter-spacing:.4px;}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding-top:20px;font-size:12.5px;color:rgba(245,241,232,.5);
  }

  /* 响应式 */
  @media (max-width:1279px){
    .sidebar{width:224px;flex-basis:224px;padding:28px 18px 20px;}
    .catalog-row{grid-template-columns:48px minmax(0,1fr) 150px 82px 20px;gap:16px;padding:20px 22px;}
    .container-x{padding:0 32px;}
  }
  @media (max-width:1023px){
    .sidebar{display:none;}
    .mob-top{
      display:flex;align-items:center;justify-content:space-between;
      height:64px;padding:0 20px;
      background:var(--paper-2);border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:60;
    }
    .mob-top .brand-text{color:var(--ink);font-size:17px;}
    .mob-top .brand-glyph{width:32px;height:32px;flex-basis:32px;font-size:16px;}
    .mob-btn{
      width:44px;height:44px;display:grid;place-items:center;
      background:transparent;border:1px solid var(--line);border-radius:12px;
      color:var(--brand-900);font-size:18px;
    }
    .drawer{
      display:block;position:fixed;inset:0;z-index:80;
      background:var(--brand-900);color:var(--paper);
      padding:22px 22px 32px;
      transform:translateX(100%);opacity:0;pointer-events:none;
      transition:transform .18s ease,opacity .18s ease;
      overflow-y:auto;
    }
    .drawer.is-open{transform:translateX(0);opacity:1;pointer-events:auto;}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
    .drawer-head span{font-family:var(--serif);font-size:18px;}
    .drawer-close{
      width:44px;height:44px;display:grid;place-items:center;
      background:transparent;border:1px solid rgba(245,241,232,.3);
      border-radius:12px;color:var(--paper);font-size:20px;
    }
    .drawer .nav-link{min-height:52px;font-size:16px;}
    .drawer-foot{margin-top:26px;padding-top:20px;border-top:1px solid rgba(245,241,232,.16);display:flex;flex-direction:column;gap:12px;font-size:14px;}
    .drawer-foot a{color:rgba(245,241,232,.7);}

    .container-x{padding:0 24px;}
    .section{padding:56px 0;}
    .cta-band{grid-template-columns:1fr;padding:32px 26px;gap:28px;}
  }
  @media (max-width:767px){
    .hero-inner{padding-top:40px;padding-bottom:36px;min-height:260px;}
    .hero-meta{gap:18px;font-size:12.5px;}
    .hero-meta b{font-size:16px;}
    .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
    .catalog-row{grid-template-columns:38px minmax(0,1fr) 20px;gap:14px;padding:18px;}
    .catalog-row .meter-wrap,.catalog-row .catalog-count{display:none;}
    .poster-grid{grid-template-columns:1fr;gap:18px;}
    .poster-thumb{aspect-ratio:16/10;}
    .ask-grid{grid-template-columns:1fr;gap:20px;}
    .form-row{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .faq summary{font-size:16px;padding:16px 18px;gap:12px;align-items:flex-start;}
    .faq summary .q-tag{display:none;}
    .faq-body{padding:0 18px 18px;}
    .faq-body p{font-size:15px;}
    .footer-bottom{flex-direction:column;gap:6px;}
  }
  @media (max-width:519px){
    .container-x{padding:0 20px;}
    .hero-sub{font-size:14px;}
    .cta-band{padding:26px 20px;margin-bottom:56px;}
    .footer-grid{grid-template-columns:1fr;}
    .catalog-num{font-size:18px;}
    .catalog-row h3{font-size:16.5px;}
    .catalog-row p{font-size:13px;}
  }