/* roulang page: index */
:root{
    --ink:#1C4A45;
    --ink-deep:#14302C;
    --bamboo:#3E8E7E;
    --cinnabar:#C14B33;
    --paper:#F6F2E9;
    --card:#FFFFFF;
    --band:#EFE9DC;
    --line:#DDD5C4;
    --line-soft:#E6DFD0;
    --text:#232323;
    --text-2:#5C5A54;
    --text-3:#8A857C;
    --radius-card:14px;
    --radius-img:16px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(28,74,69,.06);
    --shadow-2:0 10px 28px rgba(28,74,69,.12);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:"Noto Serif SC","Songti SC",SimSun,serif;
    font-weight:700;
    letter-spacing:-0.01em;
    line-height:1.25;
    color:var(--ink-deep);
    margin:0;
  }
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;height:auto;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:640px){ .container{padding-left:28px;padding-right:28px;} }
  @media (min-width:1024px){ .container{padding-left:32px;padding-right:32px;} }

  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .section-tight{padding:40px 0;}
  @media (min-width:1024px){ .section-tight{padding:56px 0;} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:500;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:background-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--ink);color:#fff;}
  .btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
  .btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-outline:hover{background:rgba(28,74,69,.08);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:9px;}
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:500;
    color:var(--ink);
    border-bottom:2px solid rgba(28,74,69,.35);
    padding-bottom:2px;
    transition:color .18s ease,border-color .18s ease;
  }
  .link-arrow:hover{color:var(--cinnabar);border-color:var(--cinnabar);}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,242,233,.96);
    backdrop-filter:saturate(120%) blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(28,74,69,.10);}
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:64px;
  }
  @media (min-width:1024px){ .header-inner{height:72px;} }

  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    background:var(--ink);
    color:var(--paper);
    border-radius:8px;
    font-family:"Noto Serif SC",serif;
    font-size:19px;
    font-weight:700;
    line-height:1;
    position:relative;
    box-shadow:inset 0 0 0 1.5px rgba(246,242,233,.35);
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    inset:4px;
    border:1px solid rgba(246,242,233,.35);
    border-radius:5px;
    pointer-events:none;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.18;}
  .brand-main{
    font-family:"Noto Serif SC",serif;
    font-size:17px;
    font-weight:700;
    color:var(--ink-deep);
    letter-spacing:.02em;
  }
  .brand-sub{
    font-size:11px;
    color:var(--text-3);
    letter-spacing:.08em;
  }
  .nav-desktop{display:none;align-items:center;gap:4px;}
  @media (min-width:1024px){ .nav-desktop{display:flex;} }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:10px 12px;
    font-size:14.5px;
    color:var(--text-2);
    border-radius:8px;
    transition:color .18s ease,background-color .18s ease;
  }
  .nav-link:hover{color:var(--ink);background:rgba(28,74,69,.06);}
  .nav-link.is-active{color:var(--ink);font-weight:500;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;
    background:var(--ink);
    border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-cta{display:none;}
  @media (min-width:768px){ .header-cta{display:inline-flex;} }
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;height:42px;
    border:1px solid var(--line);
    background:var(--card);
    border-radius:10px;
    cursor:pointer;
    color:var(--ink);
    transition:background-color .18s ease,border-color .18s ease;
  }
  .nav-toggle:hover{background:rgba(28,74,69,.06);border-color:rgba(28,74,69,.35);}
  @media (min-width:1024px){ .nav-toggle{display:none;} }

  /* 抽屉 */
  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(20,48,44,.5);
    opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:70;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .site-drawer{
    position:fixed;
    top:0;right:0;
    height:100%;
    width:84%;
    max-width:360px;
    background:var(--paper);
    z-index:80;
    transform:translateX(100%);
    transition:transform .28s ease;
    display:flex;
    flex-direction:column;
    padding:20px;
    overflow-y:auto;
    border-left:1px solid var(--line);
  }
  .site-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{
    width:40px;height:40px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:10px;
    color:var(--ink);
    cursor:pointer;
  }
  .drawer-close:hover{background:rgba(28,74,69,.06);}
  .drawer-nav{display:flex;flex-direction:column;padding:14px 0;gap:2px;}
  .drawer-nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:48px;
    padding:0 12px;
    border-radius:10px;
    font-size:15px;
    color:var(--text-2);
    transition:background-color .18s ease,color .18s ease;
  }
  .drawer-nav a:hover{background:rgba(28,74,69,.07);color:var(--ink);}
  .drawer-nav a.is-active{color:var(--ink);font-weight:500;background:rgba(28,74,69,.08);}
  .drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
  .drawer-foot .btn{width:100%;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    background:
      radial-gradient(circle at 88% 12%, rgba(28,74,69,.05) 0, rgba(28,74,69,0) 42%),
      linear-gradient(180deg,#F6F2E9 0%, #F2EDE1 100%);
    border-bottom:1px solid var(--line);
  }
  .hero::before{
    content:"";
    position:absolute;
    width:420px;height:420px;
    right:-120px;top:-140px;
    border:1px solid rgba(28,74,69,.10);
    border-radius:50%;
    pointer-events:none;
  }
  .hero::after{
    content:"";
    position:absolute;
    width:560px;height:560px;
    right:-190px;top:-210px;
    border:1px solid rgba(28,74,69,.07);
    border-radius:50%;
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
    padding-top:44px;
    padding-bottom:48px;
  }
  @media (min-width:1024px){
    .hero-grid{
      grid-template-columns:7fr 5fr;
      gap:48px;
      padding-top:76px;
      padding-bottom:84px;
      align-items:center;
    }
  }
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.12em;
    color:var(--ink);
    background:rgba(28,74,69,.09);
    border-radius:999px;
    padding:6px 14px;
    margin-bottom:20px;
  }
  .hero-eyebrow::before{
    content:"";
    width:6px;height:6px;border-radius:50%;
    background:var(--cinnabar);
  }
  .hero h1{
    font-size:clamp(30px,4.4vw,54px);
    line-height:1.25;
    color:var(--ink-deep);
    margin-bottom:18px;
    max-width:15em;
  }
  .hero-sub{
    font-size:17px;
    line-height:1.8;
    color:var(--text-2);
    max-width:34em;
    margin-bottom:22px;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .tag{
    display:inline-flex;
    align-items:center;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    font-size:12px;
    letter-spacing:.02em;
    background:rgba(28,74,69,.10);
    color:var(--ink);
    white-space:nowrap;
  }
  .tag-cinnabar{
    background:transparent;
    border:1px solid rgba(193,75,51,.55);
    color:var(--cinnabar);
  }
  .tag-bamboo{background:rgba(62,142,126,.14);color:#2F6E61;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
  .hero-note{
    font-size:14px;
    color:var(--text-3);
    line-height:1.7;
  }
  .hero-media{
    position:relative;
    border-radius:var(--radius-img);
    overflow:hidden;
    background:var(--band);
    border:1px solid var(--line);
    aspect-ratio:5/4;
    box-shadow:var(--shadow-1);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(28,74,69,.10) 0%, rgba(28,74,69,.16) 100%);
    pointer-events:none;
  }
  .ver-badge{
    position:absolute;
    right:14px;
    bottom:14px;
    z-index:2;
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 14px;
    border-radius:999px;
    background:var(--cinnabar);
    color:#fff;
    font-size:12px;
    letter-spacing:.04em;
    box-shadow:0 4px 14px rgba(193,75,51,.28);
  }

  /* ---------- 品牌主张条 ---------- */
  .claims{
    background:var(--card);
    border-bottom:1px solid var(--line);
  }
  .claims-inner{
    display:grid;
    grid-template-columns:1fr;
    gap:14px;
    padding:22px 0;
  }
  @media (min-width:768px){
    .claims-inner{
      grid-template-columns:repeat(3,1fr);
      gap:0;
      padding:24px 0;
    }
    .claim + .claim{border-left:1px solid var(--line);}
  }
  .claim{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:15px;
    color:var(--ink-deep);
    white-space:nowrap;
  }
  @media (min-width:768px){ .claim{padding:0 24px;justify-content:center;} }
  .claim svg{flex-shrink:0;color:var(--bamboo);}

  /* ---------- 故事区 ---------- */
  .story-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){
    .story-grid{grid-template-columns:5fr 6fr;gap:56px;}
  }
  .story-copy h2{
    font-size:clamp(24px,3vw,34px);
    margin-bottom:18px;
    max-width:16em;
  }
  .story-copy p{
    font-size:16px;
    line-height:1.9;
    color:var(--text-2);
    margin-bottom:16px;
  }
  .story-copy .link-arrow{margin-top:6px;}
  .story-media{
    border-radius:var(--radius-img);
    overflow:hidden;
    background:var(--band);
    border:1px solid var(--line);
    aspect-ratio:3/2;
    box-shadow:var(--shadow-1);
  }
  .story-media img{width:100%;height:100%;object-fit:cover;}

  /* ---------- 板块标题 ---------- */
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap;
    margin-bottom:26px;
  }
  @media (min-width:1024px){ .section-head{margin-bottom:36px;} }
  .section-head h2{
    font-size:clamp(24px,3vw,34px);
  }
  .section-kicker{
    display:block;
    font-family:"Noto Sans SC",sans-serif;
    font-size:12px;
    font-weight:500;
    letter-spacing:.16em;
    color:var(--bamboo);
    margin-bottom:10px;
  }
  .section-desc{
    font-size:15px;
    color:var(--text-3);
    max-width:34em;
    margin-top:10px;
    line-height:1.8;
  }

  /* ---------- 卡片 ---------- */
  .card-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(4,1fr);gap:24px;} }
  .card{
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .card:hover{border-color:rgba(28,74,69,.30);box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .card-thumb{
    aspect-ratio:16/10;
    background:var(--band);
    overflow:hidden;
  }
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .card:hover .card-thumb img{transform:scale(1.03);}
  .card-body{
    display:flex;
    flex-direction:column;
    flex:1;
    padding:20px;
    gap:10px;
  }
  .card-body h3{
    font-size:19px;
    line-height:1.45;
    color:var(--ink-deep);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-excerpt{
    font-size:14px;
    line-height:1.7;
    color:var(--text-2);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:auto;
    padding-top:12px;
    border-top:1px dashed var(--line-soft);
    font-size:13px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .card-meta .arrow{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:28px;height:28px;
    border-radius:50%;
    background:rgba(28,74,69,.08);
    color:var(--ink);
    transition:background-color .2s ease,color .2s ease,transform .2s ease;
  }
  .card:hover .card-meta .arrow{background:var(--ink);color:#fff;transform:translateX(2px);}

  /* ---------- 最新信息列表 ---------- */
  .news-board{
    background:var(--card);
    border:1px solid var(--line-soft);
    border-radius:16px;
    padding:8px 20px;
    box-shadow:var(--shadow-1);
  }
  @media (min-width:1024px){ .news-board{padding:10px 32px;} }
  .news-list{display:flex;flex-direction:column;}
  .news-item{
    display:grid;
    grid-template-columns:64px 1fr;
    gap:16px;
    padding:20px 0;
    border-bottom:1px dashed var(--line-soft);
    transition:background-color .18s ease;
  }
  .news-item:last-child{border-bottom:none;}
  .news-item:hover{background:#FBF8F1;}
  @media (min-width:900px){
    .news-item{grid-template-columns:74px 1fr auto;gap:24px;align-items:start;}
  }
  .news-date{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    padding:8px 0;
    border-right:1px solid var(--line-soft);
  }
  .news-day{
    font-size:22px;
    font-weight:700;
    color:var(--cinnabar);
    line-height:1.1;
    font-variant-numeric:tabular-nums;
    font-family:"Noto Serif SC",serif;
  }
  .news-month{
    font-size:12px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    margin-top:2px;
  }
  .news-title{
    font-size:17px;
    font-weight:500;
    color:var(--ink-deep);
    line-height:1.55;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    transition:color .18s ease;
  }
  .news-item:hover .news-title{color:var(--ink);}
  .news-summary{
    font-size:14px;
    color:var(--text-2);
    line-height:1.75;
    margin-top:6px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-meta{
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:wrap;
    margin-top:10px;
    font-size:13px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .news-side{display:none;}
  @media (min-width:900px){
    .news-side{display:flex;align-items:center;height:100%;padding-top:4px;}
  }

  /* 空态 */
  .empty-state{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:14px;
    text-align:center;
    padding:52px 20px;
  }
  .empty-icon{
    width:56px;height:56px;
    display:flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:rgba(28,74,69,.08);
    color:var(--ink);
  }
  .empty-state p{font-size:15px;color:var(--text-2);}

  /* ---------- 数字背书 ---------- */
  .stats{
    background:var(--band);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .stats-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
  }
  @media (min-width:900px){
    .stats-grid{grid-template-columns:repeat(4,1fr);gap:32px;}
  }
  .stat{
    padding:6px 0 6px 16px;
    border-left:2px solid rgba(193,75,51,.35);
  }
  .stat-num{
    font-family:"Noto Serif SC",serif;
    font-size:clamp(28px,3.4vw,38px);
    font-weight:700;
    color:var(--cinnabar);
    line-height:1.1;
    font-variant-numeric:tabular-nums;
  }
  .stat-label{
    font-size:14px;
    color:var(--ink-deep);
    margin-top:6px;
    font-weight:500;
  }
  .stat-desc{
    font-size:13px;
    color:var(--text-3);
    margin-top:2px;
    line-height:1.7;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{
    background:var(--band);
    border-radius:16px;
    padding:16px;
    border:1px solid var(--line);
  }
  @media (min-width:768px){ .faq-wrap{padding:24px;} }
  .faq-item{
    background:var(--card);
    border:1px solid var(--line-soft);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:last-child{margin-bottom:0;}
  .faq-item:hover{border-color:rgba(28,74,69,.28);}
  .faq-item.is-open{box-shadow:var(--shadow-1);border-color:rgba(28,74,69,.28);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 20px;
    background:transparent;
    border:none;
    text-align:left;
    font-size:16px;
    font-weight:500;
    color:var(--ink-deep);
    cursor:pointer;
    line-height:1.6;
  }
  .faq-icon{
    flex-shrink:0;
    width:28px;height:28px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:rgba(28,74,69,.08);
    color:var(--ink);
    transition:transform .25s ease,background-color .25s ease,color .25s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--ink);color:#fff;}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
  }
  .faq-a-inner{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-2);
  }

  /* ---------- CTA 带 ---------- */
  .cta-band{
    background:var(--ink-deep);
    color:var(--paper);
  }
  .cta-inner{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    padding:40px 0;
    align-items:center;
  }
  @media (min-width:1024px){
    .cta-inner{grid-template-columns:1fr auto;gap:48px;padding:56px 0;}
  }
  .cta-inner h2{
    color:#fff;
    font-size:clamp(22px,2.6vw,28px);
    margin-bottom:10px;
  }
  .cta-inner p{
    font-size:15px;
    color:rgba(246,242,233,.72);
    line-height:1.8;
    max-width:34em;
  }
  .cta-form{
    display:flex;
    flex-direction:column;
    gap:10px;
    width:100%;
  }
  @media (min-width:640px){
    .cta-form{flex-direction:row;align-items:center;}
    .cta-form .btn{flex-shrink:0;}
  }
  @media (min-width:1024px){ .cta-form{width:420px;} }
  .cta-form input[type="email"]{
    height:48px;
    width:100%;
    padding:0 16px;
    border-radius:var(--radius-btn);
    border:1px solid rgba(246,242,233,.28);
    background:rgba(246,242,233,.08);
    color:#fff;
    font-size:15px;
    font-family:inherit;
    transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
  }
  .cta-form input[type="email"]::placeholder{color:rgba(246,242,233,.55);}
  .cta-form input[type="email"]:focus{
    outline:none;
    border-color:rgba(246,242,233,.75);
    background:rgba(246,242,233,.14);
    box-shadow:0 0 0 3px rgba(193,75,51,.25);
  }
  .cta-form .btn-cinnabar{background:var(--cinnabar);color:#fff;}
  .cta-form .btn-cinnabar:hover{background:#A73E29;transform:translateY(-1px);}
  .cta-form .btn-cinnabar:active{transform:translateY(0);}
  .form-hint{
    font-size:13px;
    color:rgba(246,242,233,.62);
    min-height:20px;
    width:100%;
  }
  @media (min-width:1024px){ .form-hint{grid-column:1 / -1;} }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink-deep);
    color:rgba(246,242,233,.82);
    padding-top:52px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:40px;
  }
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;} }
  .footer-brand .brand-main{color:#fff;}
  .footer-brand .brand-sub{color:rgba(246,242,233,.55);}
  .footer-brand .brand-mark{background:rgba(246,242,233,.10);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(246,242,233,.28);}
  .footer-brand .brand-mark::after{border-color:rgba(246,242,233,.22);}
  .footer-slogan{
    font-size:14px;
    color:rgba(246,242,233,.66);
    margin-top:16px;
    line-height:1.8;
    max-width:20em;
  }
  .footer-col h3{
    font-family:"Noto Sans SC",sans-serif;
    font-size:13px;
    font-weight:500;
    letter-spacing:.12em;
    color:rgba(246,242,233,.5);
    margin-bottom:16px;
    text-transform:none;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:rgba(246,242,233,.80);
    transition:color .18s ease;
  }
  .footer-col a:hover{color:var(--cinnabar);}
  .footer-contact li{font-size:14px;color:rgba(246,242,233,.80);line-height:1.8;}
  .footer-bottom{
    border-top:1px solid rgba(246,242,233,.14);
    padding:20px 0 26px;
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:12.5px;
    color:rgba(246,242,233,.5);
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }
  .footer-bottom .domain{font-size:12px;color:rgba(246,242,233,.42);}

  @media (max-width:639px){
    .hero-sub{font-size:16px;}
    .hero-cta .btn{flex:1 1 100%;}
    .claim{white-space:normal;}
    .news-item{grid-template-columns:56px 1fr;gap:12px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
  --ink:#1C4A45;
  --ink-deep:#14302C;
  --bamboo:#3E8E7E;
  --cinnabar:#C14B33;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --sub:#EFE9DC;
  --line:#DDD5C4;
  --line-soft:#E6DFD0;
  --text:#232323;
  --text-2:#5C5A54;
  --text-3:#8A857C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(28,74,69,.06);
  --shadow-2:0 10px 28px rgba(28,74,69,.12);
  --container:1200px;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-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(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;background-color:var(--sub)}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){ .container{padding:0 28px} }
@media (min-width:1024px){ .container{padding:0 32px} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(28,74,69,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:9px;
  background:var(--ink);color:var(--paper);
  display:grid;place-items:center;
  font-family:var(--font-serif);font-size:20px;font-weight:700;line-height:1;
  box-shadow:inset 0 0 0 2px rgba(246,242,233,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em;margin-top:2px}
.nav-desktop{display:none;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 10px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(28,74,69,.06)}
.nav-link.is-active{color:var(--ink);font-weight:500}
.nav-link.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;
  background:var(--ink);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);background:var(--card);
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--sub);border-color:var(--ink)}
@media (max-width:639px){ .header-cta{display:none} }
@media (min-width:1024px){
  .nav-desktop{display:flex}
  .nav-toggle{display:none}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:transform .18s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;border:1.5px solid var(--ink);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:rgba(28,74,69,.08)}
.btn-cinnabar{background:var(--cinnabar);color:#fff;border:1.5px solid var(--cinnabar)}
.btn-cinnabar:hover{background:#A93F29;border-color:#A93F29;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
@media (max-width:520px){
  .btn{width:100%;height:48px}
  .btn-sm{width:auto;height:38px}
}

/* ---------- Chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;letter-spacing:.02em;
  background:rgba(28,74,69,.1);color:var(--ink);
  white-space:nowrap;
}
.chip-bamboo{background:rgba(62,142,126,.14);color:#2E6A5D}
.chip-version{background:transparent;border:1px solid var(--cinnabar);color:var(--cinnabar)}

/* ---------- Drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;z-index:60;
  background:rgba(20,48,44,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.site-drawer{
  position:fixed;top:0;right:0;z-index:70;
  width:84%;max-width:340px;height:100%;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.3,.7,.3,1);
  display:flex;flex-direction:column;
  padding:20px;overflow-y:auto;
  box-shadow:-10px 0 30px rgba(20,48,44,.18);
}
.site-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink);background:var(--card);
}
.drawer-close:hover{background:var(--sub)}
.drawer-nav{margin-top:8px;display:flex;flex-direction:column}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;
  padding:0 6px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--ink);font-weight:500}
.drawer-cta{margin-top:20px}
body.no-scroll{overflow:hidden}

/* ---------- Article layout ---------- */
.article-main{padding:28px 0 8px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;line-height:1.6;color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:var(--line);opacity:.9}
.breadcrumb .current{
  color:var(--text-2);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:820px;margin:0 auto}
.article-kicker{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.kicker-line{width:28px;height:2px;background:var(--ink);display:inline-block}
.kicker-text{font-size:13px;letter-spacing:.16em;color:var(--text-3)}
.article-h1{
  font-family:var(--font-serif);
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.34;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}
.article-rule{
  max-width:820px;margin:26px auto 0;height:1px;
  background:linear-gradient(90deg,var(--line-soft),rgba(221,213,196,.15));
}
.article-body{
  max-width:720px;margin:34px auto 0;
  font-size:17px;line-height:1.9;color:#3A3A38;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.1em}
.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4{font-family:var(--font-serif);color:var(--ink);line-height:1.42;letter-spacing:-.01em}
.article-body h1{font-size:26px;margin:40px 0 16px}
.article-body h2{
  font-size:24px;margin:48px 0 16px;padding-left:14px;
  border-left:4px solid var(--ink);
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--text)}
.article-body h4{font-size:18px;margin:26px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:square}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0;line-height:1.85}
.article-body ul>li::marker{color:var(--bamboo);font-size:.9em}
.article-body ol>li::marker{color:var(--ink);font-weight:500}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--cinnabar)}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;
  background:var(--sub);border-left:3px solid var(--cinnabar);
  border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  max-width:100%;height:auto;border-radius:12px;margin:24px auto;
  background-color:var(--sub);
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;
}
.article-body pre{
  background:#F1ECE1;border:1px solid var(--line-soft);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.75;margin:22px 0;
  color:#2E3A38;
}
.article-body code{
  background:#F1ECE1;border-radius:6px;padding:.12em .38em;font-size:.92em;
  color:#2E3A38;
}
.article-body pre code{background:none;padding:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.7;
  background:var(--card);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line-soft);padding:10px 13px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--sub);color:var(--ink);font-weight:500}
.article-body hr{border:0;border-top:1px dashed var(--line-soft);margin:34px 0}

.article-foot{
  max-width:720px;margin:44px auto 0;padding-top:26px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.article-foot .foot-note{font-size:13.5px;color:var(--text-3)}
.article-foot .btn{width:auto}

.empty-article{
  max-width:720px;margin:0 auto;padding:44px 24px;text-align:center;
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);
}
.empty-article .empty-title{font-family:var(--font-serif);font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-article .empty-desc{font-size:15px;color:var(--text-2);margin-bottom:22px}
.empty-article .btn{margin:0 auto}

/* ---------- Related ---------- */
.section{padding:56px 0}
@media (min-width:1024px){ .section{padding:80px 0} }
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:30px;
}
.section-title{
  font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.section-sub{margin-top:8px;font-size:14px;color:var(--text-3)}
.text-link{
  font-size:14.5px;color:var(--ink);font-weight:500;
  border-bottom:2px solid rgba(28,74,69,.28);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;white-space:nowrap;
}
.text-link:hover{color:var(--cinnabar);border-color:var(--cinnabar)}

.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);gap:24px} }

.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:rgba(28,74,69,.3);
  box-shadow:var(--shadow-2);
}
.post-card .card-thumb{
  border-radius:10px;overflow:hidden;margin-bottom:16px;
  aspect-ratio:16/9;background:var(--sub);
}
.post-card .card-thumb img{width:100%;height:100%;object-fit:cover}
.post-card .card-chip{margin-bottom:12px}
.post-card h3{
  font-family:var(--font-serif);font-size:19px;line-height:1.45;
  font-weight:700;color:var(--text);margin-bottom:10px;
}
.post-card:hover h3{color:var(--ink)}
.post-card p{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
  padding-top:14px;border-top:1px dashed var(--line-soft);
}
.card-arrow{
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;flex:0 0 28px;
  border:1px solid var(--line);color:var(--ink);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.post-card:hover .card-arrow{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-deep);color:#fff}
.cta-inner{
  display:flex;flex-direction:column;gap:24px;
  padding:40px 0;
}
@media (min-width:1024px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 0;gap:40px}
}
.cta-title{
  font-family:var(--font-serif);font-size:clamp(21px,2.6vw,27px);
  line-height:1.4;font-weight:700;color:#F6F2E9;
}
.cta-desc{margin-top:10px;font-size:14.5px;color:rgba(246,242,233,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{color:#F6F2E9;border-color:rgba(246,242,233,.55)}
.cta-band .btn-ghost:hover{background:rgba(246,242,233,.12)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(246,242,233,.8);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px} }
.footer-brand .brand-mark{background:rgba(246,242,233,.14);color:#F6F2E9;box-shadow:inset 0 0 0 2px rgba(246,242,233,.3)}
.footer-brand .brand-main{color:#F6F2E9}
.footer-brand .brand-sub{color:rgba(246,242,233,.55)}
.footer-slogan{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(246,242,233,.66);max-width:280px}
.footer-col h3{
  font-size:13px;font-weight:500;letter-spacing:.1em;
  color:rgba(246,242,233,.5);margin-bottom:14px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(246,242,233,.8)}
.footer-col ul li a:hover{color:var(--cinnabar)}
.footer-contact li{font-size:13.5px;line-height:1.8;color:rgba(246,242,233,.66)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(246,242,233,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(246,242,233,.5);
}
.footer-bottom .domain{letter-spacing:.04em}

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

/* roulang page: category1 */
:root{
  --ink:#1C4A45;
  --ink-deep:#14302C;
  --bamboo:#3E8E7E;
  --cinnabar:#C14B33;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --sub:#EFE9DC;
  --line:#DDD5C4;
  --line-soft:#E6DFD0;
  --text:#232323;
  --text-2:#5C5A54;
  --text-3:#8A857C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(28,74,69,.06);
  --shadow-2:0 10px 28px rgba(28,74,69,.12);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--serif);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--ink);
}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{display:block;max-width:100%;height:auto;background:var(--sub)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--cinnabar);
  display:inline-block;
}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border-radius:var(--radius-btn);
  font-size:14px;
  font-weight:500;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
}
.btn-sm{padding:10px 16px;font-size:13px}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(28,74,69,.08)}
.btn-cinnabar{background:var(--cinnabar);color:#fff}
.btn-cinnabar:hover{background:#a63f2a;transform:translateY(-1px);box-shadow:0 10px 24px rgba(193,75,51,.28)}
.btn-cinnabar:active{transform:translateY(0)}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 14px rgba(28,74,69,.10)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:9px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  display:grid;
  place-items:center;
  flex:0 0 42px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{
  font-family:var(--serif);
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand-sub{
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.08em;
  margin-top:3px;
}
.nav-desktop{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:2px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:10px 12px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(28,74,69,.05)}
.nav-link.is-active{color:var(--ink);font-weight:500}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink);
  place-items:center;
}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(20,48,44,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:70;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:84%;
  max-width:360px;
  height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:18px 20px 28px;
  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 var(--line)}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);display:grid;place-items:center;
}
.drawer-nav{margin-top:8px;display:flex;flex-direction:column}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:10px 2px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px dashed var(--line-soft);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--ink);font-weight:500}
.drawer-cta{margin-top:24px;width:100%}
.drawer-note{margin-top:16px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:16/7;
  min-height:320px;
  background:#EFE9DC url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow-1);
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(20,48,44,.80) 0%,rgba(28,74,69,.52) 58%,rgba(28,74,69,.26) 100%);
}
.banner-content{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:44px;
  max-width:820px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.76);
  margin-bottom:16px;
}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-content h1{
  color:#fff;
  font-size:clamp(28px,4vw,46px);
  line-height:1.22;
}
.banner-lead{
  margin-top:16px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:660px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-version{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.72);
  color:#fff;
  font-size:12px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.tag-soft{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(246,242,233,.16);
  color:#fff;
  font-size:12px;
  letter-spacing:.04em;
}

/* ---------- 要点卡 ---------- */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.note-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:30px;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.note-card:hover{
  border-color:rgba(28,74,69,.32);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.card-top{display:flex;align-items:center;gap:14px}
.card-idx{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:10px;
  background:rgba(28,74,69,.08);
  color:var(--ink);
  font-family:var(--serif);
  font-size:15px;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.card-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(62,142,126,.14);
  color:var(--ink);
  font-size:12px;
}
.note-card h3{font-size:20px;line-height:1.35}
.note-card p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.link-arrow{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--ink);
  border-bottom:2px solid rgba(28,74,69,.24);
  padding-bottom:2px;
  align-self:flex-start;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow:hover{color:var(--cinnabar);border-color:var(--cinnabar)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 时间轴 ---------- */
.timeline-wrap{
  background:var(--sub);
  border-radius:var(--radius-img);
  padding:48px 40px;
}
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.tl-item{position:relative;padding:36px 10px 0 0}
.tl-item::before{
  content:"";
  position:absolute;
  top:13px;
  left:22px;
  right:-24px;
  height:2px;
  background:var(--line);
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;
  top:0;left:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--bamboo);
  color:#fff;
  font-size:12.5px;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 4px rgba(246,242,233,.9);
}
.tl-item h3{font-size:18px;margin-bottom:8px}
.tl-item p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- 位置对照 ---------- */
.fact-list{border-top:1px solid var(--line)}
.fact-row{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:28px;
  align-items:start;
  padding:22px 0;
  border-bottom:1px dashed var(--line-soft);
  transition:background .2s ease;
}
.fact-row:hover{background:#FBF8F1}
.fact-tag{
  justify-self:start;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(28,74,69,.09);
  color:var(--ink);
  font-size:12.5px;
  letter-spacing:.02em;
}
.fact-tag.is-version{
  background:transparent;
  border:1px solid var(--cinnabar);
  color:var(--cinnabar);
}
.fact-row p{font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--sub);
  border-radius:var(--radius-img);
  padding:32px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:last-child{margin-bottom:0}
.faq-item.is-open{border-color:rgba(28,74,69,.3);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:500;
  line-height:1.55;
  color:var(--text);
}
.faq-q:hover{color:var(--ink)}
.faq-icon{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(28,74,69,.1);
  color:var(--ink);
  display:grid;
  place-items:center;
  transition:transform .26s ease,background .26s ease,color .26s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--ink);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-top:1px dashed var(--line-soft);
  padding-top:14px;
  margin-top:2px;
}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-deep);padding:56px 0}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-text h2{color:var(--paper);font-size:clamp(22px,2.6vw,28px)}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(246,242,233,.72);max-width:620px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-note{font-size:13px;color:rgba(246,242,233,.6);max-width:230px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.5fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand-mark{
  background:rgba(246,242,233,.12);
  color:var(--paper);
  border:1px solid rgba(246,242,233,.26);
}
.site-footer .brand-main{color:var(--paper)}
.site-footer .brand-sub{color:rgba(246,242,233,.62)}
.footer-slogan{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,242,233,.66);
  max-width:240px;
}
.footer-col h3{
  font-family:var(--sans);
  font-size:13px;
  font-weight:500;
  letter-spacing:.06em;
  color:rgba(246,242,233,.5);
  margin-bottom:16px;
}
.footer-col ul li a{
  display:inline-block;
  padding:5px 0;
  font-size:14px;
  color:rgba(255,255,255,.8);
}
.footer-col ul li a:hover{color:var(--cinnabar)}
.footer-contact li{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  margin-bottom:6px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .domain{font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.42)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 28px}
  .nav-desktop{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:60px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .card-grid-2{grid-template-columns:repeat(2,1fr);gap:20px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .tl-item::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .banner-content{padding:32px}
  .page-banner{aspect-ratio:16/9}
}
@media (max-width:767px){
  .page-banner{aspect-ratio:auto;min-height:400px}
  .banner-content{padding:24px}
  .banner-lead{font-size:14px}
  .card-grid-2{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline-wrap{padding:32px 24px}
  .tl-item{padding:0 0 24px 44px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{
    display:block;
    top:28px;
    left:13px;
    right:auto;
    bottom:-2px;
    width:2px;
    height:auto;
  }
  .tl-item:last-child::before{display:none}
  .tl-dot{top:0}
  .fact-row{grid-template-columns:1fr;gap:10px}
  .faq-wrap{padding:20px}
  .note-card{padding:24px}
  .cta-band{padding:44px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .brand-main{font-size:16px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:19px}
  .banner-content h1{font-size:26px}
  .note-card h3{font-size:18px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:12px 16px 16px;font-size:14.5px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (hover:none){
  .note-card:hover{transform:none}
  .btn-primary:hover,.btn-cinnabar:hover{transform:none}
}

/* roulang page: category2 */
:root{
    --ink:#1C4A45;
    --ink-deep:#14302C;
    --bamboo:#3E8E7E;
    --cinnabar:#C14B33;
    --paper:#F6F2E9;
    --card:#FFFFFF;
    --panel:#EFE9DC;
    --line:#DDD5C4;
    --text:#232323;
    --text-2:#5C5A54;
    --text-3:#8A857C;
    --card-line:#E6DFD0;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:16px;
    --shadow-1:0 1px 2px rgba(28,74,69,.06);
    --shadow-2:0 10px 28px rgba(28,74,69,.12);
    --serif:"Noto Serif SC","Songti SC","SimSun",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{
    font-family:var(--serif);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.01em;
    margin:0;
    color:var(--text);
  }
  p{margin:0;}
  :focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 22px;
    border-radius:var(--radius-btn);
    border:1.5px solid transparent;
    font-size:15px;
    font-weight:500;
    line-height:1;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
  .btn-ghost:hover{background:rgba(28,74,69,.08);}
  .btn-cinnabar{background:var(--cinnabar);color:#fff;}
  .btn-cinnabar:hover{background:#A63E29;transform:translateY(-1px);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}

  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14.5px;
    font-weight:500;
    color:var(--ink);
    border-bottom:2px solid rgba(28,74,69,.35);
    padding-bottom:2px;
    transition:color .2s ease,border-color .2s ease;
  }
  .text-link:hover{color:var(--cinnabar);border-color:rgba(193,75,51,.5);}

  /* ---------- 胶囊 ---------- */
  .pill{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    font-size:12px;
    font-weight:500;
    line-height:1;
    background:rgba(28,74,69,.1);
    color:var(--ink);
    white-space:nowrap;
  }
  .pill-olive{background:rgba(62,142,126,.14);color:#2E6B5F;}
  .pill-cinnabar{
    background:transparent;
    border:1px solid rgba(193,75,51,.5);
    color:var(--cinnabar);
  }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,242,233,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(28,74,69,.08);}
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .brand-mark{
    width:40px;
    height:40px;
    border-radius:10px;
    background:var(--ink);
    color:var(--paper);
    display:grid;
    place-items:center;
    font-family:var(--serif);
    font-size:20px;
    font-weight:700;
    line-height:1;
    flex:0 0 40px;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-main{
    font-family:var(--serif);
    font-size:16px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.01em;
  }
  .brand-sub{
    font-size:11px;
    letter-spacing:.14em;
    color:var(--text-3);
  }
  .nav-desktop{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
    margin-right:auto;
  }
  .nav-link{
    position:relative;
    padding:8px 12px;
    font-size:14.5px;
    font-weight:500;
    color:var(--text-2);
    border-radius:8px;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:var(--ink);background:rgba(28,74,69,.06);}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:-2px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
  }
  .header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    color:var(--ink);
    transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:rgba(28,74,69,.06);border-color:rgba(28,74,69,.35);}

  /* ---------- 抽屉 ---------- */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(20,48,44,.5);
    z-index:85;
    opacity:0;
    pointer-events:none;
    transition:opacity .28s ease;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .site-drawer{
    position:fixed;
    top:0;
    right:0;
    z-index:90;
    width:84%;
    max-width:360px;
    height:100%;
    background:var(--paper);
    padding:20px 20px 32px;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
    display:flex;
    flex-direction:column;
    gap:20px;
  }
  .site-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:38px;
    height:38px;
    border-radius:10px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    font-size:20px;
    line-height:1;
    display:grid;
    place-items:center;
  }
  .drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .drawer-link{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 4px;
    font-size:15.5px;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
    transition:color .2s ease,padding-left .2s ease;
  }
  .drawer-link:hover{color:var(--ink);padding-left:10px;}
  .drawer-link.is-active{color:var(--ink);font-weight:500;}
  .drawer-cta{margin-top:auto;width:100%;}

  /* ---------- 页头 ---------- */
  .page-head{padding:40px 0 8px;}
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:26px;
  }
  .crumb a{transition:color .2s ease;}
  .crumb a:hover{color:var(--ink);}
  .crumb .sep{color:var(--line);}
  .crumb .now{color:var(--text-2);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  .page-head-grid{
    display:grid;
    grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
    gap:48px;
    align-items:center;
  }
  .page-head h1{
    font-size:clamp(28px,3.8vw,44px);
    margin:14px 0 16px;
  }
  .page-head h1 .thin{
    display:block;
    font-size:clamp(20px,2.3vw,26px);
    color:var(--ink);
    margin-top:6px;
    letter-spacing:0;
  }
  .lead{
    font-size:16px;
    color:var(--text-2);
    line-height:1.9;
    max-width:44em;
  }
  .head-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:22px;
    font-size:13.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .head-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
  .head-figure{
    position:relative;
    margin:0;
    border-radius:var(--radius-img);
    overflow:hidden;
    border:1px solid rgba(28,74,69,.14);
    background:var(--panel);
    aspect-ratio:3/2;
    box-shadow:var(--shadow-1);
  }
  .head-figure img{width:100%;height:100%;object-fit:cover;}
  .head-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(28,74,69,.1);
    pointer-events:none;
  }
  .head-figure .ver-tag{
    position:absolute;
    top:14px;
    left:14px;
    z-index:2;
    height:26px;
    padding:0 12px;
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    background:var(--cinnabar);
    color:#fff;
    font-size:12px;
    letter-spacing:.04em;
    font-variant-numeric:tabular-nums;
  }
  .head-figure figcaption{
    position:absolute;
    left:14px;
    bottom:12px;
    z-index:2;
    font-size:12px;
    color:rgba(255,255,255,.88);
    letter-spacing:.03em;
  }

  /* ---------- 区块通用 ---------- */
  .section{padding:80px 0;}
  .section-tight{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:10px;}
  .section-head p{font-size:15px;color:var(--text-2);max-width:52em;}
  .rule-title{
    display:flex;
    align-items:center;
    gap:12px;
  }
  .rule-title::before{
    content:"";
    width:4px;
    height:24px;
    border-radius:2px;
    background:var(--ink);
    flex:0 0 4px;
  }

  /* ---------- 归档主体 ---------- */
  .archive-layout{
    display:grid;
    grid-template-columns:320px minmax(0,1fr);
    gap:44px;
    align-items:start;
  }
  .toc-card{
    position:sticky;
    top:96px;
    background:var(--card);
    border:1px solid var(--card-line);
    border-radius:var(--radius-card);
    padding:24px 22px;
    box-shadow:var(--shadow-1);
  }
  .toc-card h2{
    font-size:17px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding-bottom:14px;
    border-bottom:1px solid var(--card-line);
    margin-bottom:14px;
  }
  .toc-card h2 .count{
    font-family:var(--sans);
    font-size:12px;
    font-weight:400;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .toc-list{display:flex;flex-direction:column;gap:4px;}
  .toc-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:10px 12px;
    border-radius:8px;
    font-size:14.5px;
    color:var(--text-2);
    transition:background .2s ease,color .2s ease,padding-left .2s ease;
  }
  .toc-link:hover{background:var(--panel);color:var(--ink);padding-left:16px;}
  .toc-link .tag{
    font-size:11px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    border:1px solid var(--line);
    border-radius:999px;
    padding:1px 8px;
    line-height:1.5;
  }
  .toc-link:hover .tag{border-color:rgba(28,74,69,.35);color:var(--ink);}
  .toc-note{
    margin-top:18px;
    padding-top:16px;
    border-top:1px dashed var(--card-line);
    font-size:13px;
    color:var(--text-3);
    line-height:1.8;
  }
  .toc-note strong{color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums;}

  .group{margin-bottom:48px;}
  .group:last-child{margin-bottom:0;}
  .group-title{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:clamp(21px,2.2vw,26px);
    margin-bottom:8px;
    scroll-margin-top:100px;
  }
  .group-title::before{
    content:"";
    width:4px;
    height:22px;
    border-radius:2px;
    background:var(--ink);
    flex:0 0 4px;
  }
  .group-desc{
    font-size:14.5px;
    color:var(--text-2);
    margin:0 0 18px 16px;
  }
  .arc-list{
    background:var(--card);
    border:1px solid var(--card-line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    overflow:hidden;
    transition:box-shadow .25s ease;
  }
  .arc-list:hover{box-shadow:var(--shadow-2);}
  .arc-item{
    padding:24px 26px;
    border-bottom:1px dashed var(--card-line);
    transition:background .2s ease;
  }
  .arc-item:last-child{border-bottom:0;}
  .arc-item:hover{background:#FBF8F1;}
  .arc-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-bottom:10px;
  }
  .arc-date{
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    letter-spacing:.02em;
  }
  .arc-item h3{
    font-size:19px;
    margin-bottom:8px;
  }
  .arc-item h3 a{transition:color .2s ease;}
  .arc-item h3 a:hover{color:var(--ink);}
  .arc-summary{
    font-size:14.5px;
    color:var(--text-2);
    line-height:1.8;
    margin-bottom:12px;
    max-width:60em;
  }
  .arc-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
  }
  .arc-point{
    font-size:13px;
    color:var(--text-3);
  }
  .arc-point b{color:var(--ink);font-weight:500;}

  /* ---------- 时间轴 ---------- */
  .timeline{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:26px;
  }
  .tl-item{
    position:relative;
    padding-top:22px;
    border-top:2px solid var(--line);
  }
  .tl-item::before{
    content:"";
    position:absolute;
    top:-7px;
    left:0;
    width:12px;
    height:12px;
    border-radius:50%;
    background:var(--bamboo);
    border:2px solid var(--paper);
  }
  .tl-item .ver{
    display:inline-flex;
    align-items:center;
    height:22px;
    padding:0 10px;
    margin-bottom:10px;
    border-radius:999px;
    border:1px solid rgba(193,75,51,.5);
    color:var(--cinnabar);
    font-size:11.5px;
    letter-spacing:.04em;
    font-variant-numeric:tabular-nums;
  }
  .tl-item h3{font-size:17px;margin-bottom:6px;}
  .tl-item p{font-size:14px;color:var(--text-2);line-height:1.75;}

  /* ---------- 提示条 ---------- */
  .hint-bar{
    display:flex;
    align-items:flex-start;
    gap:16px;
    background:rgba(193,75,51,.08);
    border-radius:var(--radius-card);
    padding:22px 26px;
    color:var(--ink);
  }
  .hint-bar i{font-size:18px;color:var(--cinnabar);margin-top:4px;}
  .hint-bar p{font-size:14.5px;line-height:1.85;color:var(--ink);}

  /* ---------- FAQ ---------- */
  .faq-card{
    background:var(--panel);
    border-radius:var(--radius-img);
    padding:32px;
  }
  .faq-card > h2{font-size:clamp(23px,2.5vw,30px);margin-bottom:8px;}
  .faq-card > .faq-sub{font-size:15px;color:var(--text-2);margin-bottom:24px;}
  .faq-item{
    background:#fff;
    border:1px solid var(--card-line);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .faq-item:last-child{margin-bottom:0;}
  .faq-item:hover{border-color:rgba(28,74,69,.3);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 22px;
    background:none;
    border:0;
    text-align:left;
    font-size:16px;
    font-weight:500;
    color:var(--text);
    line-height:1.6;
  }
  .faq-icon{
    flex:0 0 26px;
    width:26px;
    height:26px;
    border-radius:50%;
    background:rgba(28,74,69,.1);
    color:var(--ink);
    display:grid;
    place-items:center;
    font-size:16px;
    line-height:1;
    transition:transform .25s ease,background .2s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(28,74,69,.16);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
  }
  .faq-a p{
    padding:0 22px 20px;
    font-size:15px;
    color:var(--text-2);
    line-height:1.85;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--ink-deep);
    color:#fff;
    padding:56px 0;
  }
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    flex-wrap:wrap;
  }
  .cta-copy h2{
    color:var(--paper);
    font-size:clamp(23px,2.6vw,28px);
    margin-bottom:10px;
  }
  .cta-copy p{
    color:rgba(246,242,233,.7);
    font-size:15px;
    max-width:34em;
  }
  .cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
  .cta-actions .text-link{color:var(--paper);border-color:rgba(246,242,233,.45);}
  .cta-actions .text-link:hover{color:var(--cinnabar);border-color:rgba(193,75,51,.6);}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink-deep);
    color:rgba(246,242,233,.8);
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:40px;
    padding-bottom:40px;
  }
  .site-footer .brand-mark{background:rgba(246,242,233,.14);color:var(--paper);}
  .site-footer .brand-main{color:var(--paper);}
  .site-footer .brand-sub{color:rgba(246,242,233,.55);}
  .footer-slogan{
    margin-top:16px;
    font-size:14px;
    color:rgba(246,242,233,.6);
    line-height:1.8;
    max-width:20em;
  }
  .footer-col h3{
    font-family:var(--sans);
    font-size:13px;
    font-weight:500;
    letter-spacing:.08em;
    color:rgba(246,242,233,.5);
    margin-bottom:16px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:rgba(246,242,233,.8);
    transition:color .2s ease;
  }
  .footer-col a:hover{color:var(--cinnabar);}
  .footer-contact li{font-size:14px;line-height:1.8;color:rgba(246,242,233,.72);}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding-top:22px;
    border-top:1px solid rgba(246,242,233,.14);
    font-size:12.5px;
    color:rgba(246,242,233,.5);
  }
  .footer-bottom .domain{
    font-variant-numeric:tabular-nums;
    letter-spacing:.04em;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container{padding:0 28px;}
    .nav-desktop{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-cta{display:none;}
    .page-head-grid{grid-template-columns:1fr;gap:32px;}
    .head-figure{max-width:560px;}
    .archive-layout{grid-template-columns:1fr;gap:32px;}
    .toc-card{position:static;}
    .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }

  @media (max-width:767px){
    .section{padding:56px 0;}
    .section-tight{padding:44px 0;}
    .page-head{padding:26px 0 0;}
    .header-inner{height:60px;}
    .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:18px;}
    .brand-main{font-size:15px;}
    .brand-sub{font-size:10.5px;}
    .arc-item{padding:20px 18px;}
    .faq-card{padding:20px 16px;}
    .cta-band{padding:40px 0;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .site-footer{padding:48px 0 24px;}
  }

  @media (max-width:519px){
    .container{padding:0 20px;}
    .timeline{grid-template-columns:1fr;}
    .arc-item h3{font-size:17.5px;}
    .arc-summary{font-size:14px;}
    .crumb .now{max-width:14em;}
    .head-meta{font-size:12.5px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  }

  @media (hover:none){
    .arc-item:hover{background:transparent;}
    .toc-link:hover{padding-left:12px;}
    .btn-primary:hover{transform:none;}
  }

/* roulang page: category3 */
:root{
  --ink:#1C4A45;
  --ink-deep:#14302C;
  --bamboo:#3E8E7E;
  --cinnabar:#C14B33;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --sub-bg:#EFE9DC;
  --line:#DDD5C4;
  --line-soft:#E6DFD0;
  --text:#232323;
  --text-2:#5C5A54;
  --text-3:#8A857C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(28,74,69,.06);
  --shadow-2:0 10px 28px rgba(28,74,69,.12);
  --space-block:88px;
  --space-block-m:52px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.25;
  color:var(--ink-deep);
}
::selection{background:rgba(28,74,69,.16);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:28px;padding-right:28px;}
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 6px 20px rgba(28,74,69,.09);
  background:rgba(246,242,233,.97);
  backdrop-filter:saturate(120%) blur(2px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);
  color:var(--paper);
  font-family:"Noto Serif SC",serif;
  font-size:19px;
  border-radius:9px;
  letter-spacing:0;
  box-shadow:inset 0 0 0 2px rgba(246,242,233,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{
  font-family:"Noto Serif SC",serif;
  font-size:17px;
  font-weight:700;
  color:var(--ink-deep);
}
.brand-sub{
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.06em;
}
.nav-desktop{
  display:none;
  align-items:center;
  gap:4px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(28,74,69,.06);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:500;}
.header-actions{display:flex;align-items:center;gap:10px;}
.header-cta{display:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1.5px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  line-height:1.2;
  padding:12px 22px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{
  background:var(--ink);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{background:rgba(28,74,69,.08);}
.btn-ghost:active{background:rgba(28,74,69,.14);}
.btn-cinnabar{
  background:var(--cinnabar);
  color:#fff;
}
.btn-cinnabar:hover{background:#a83f2a;transform:translateY(-1px);}
.btn-cinnabar:active{transform:translateY(0);}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--sub-bg);border-color:var(--ink);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,48,44,.48);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.site-drawer{
  position:fixed;
  top:0;right:0;
  width:84%;
  max-width:360px;
  height:100%;
  background:var(--paper);
  z-index:100;
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.4,.1,.3,1);
  display:flex;
  flex-direction:column;
  padding:18px 20px 28px;
  overflow-y:auto;
  box-shadow:-12px 0 36px rgba(20,48,44,.18);
}
.site-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
}
.drawer-links{display:flex;flex-direction:column;margin-top:12px;}
.drawer-links a{
  display:flex;align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px dashed var(--line-soft);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--ink);padding-left:6px;}
.drawer-links a.is-active{font-weight:500;}
.drawer-cta{margin-top:auto;padding-top:22px;}
.drawer-cta .btn{width:100%;}
body.is-locked{overflow:hidden;}

@media (min-width:1024px){
  .nav-desktop{display:flex;}
  .header-cta{display:inline-flex;}
  .nav-toggle{display:none;}
}

/* ---------- breadcrumb ---------- */
.crumb-bar{
  padding:20px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumb-bar li{display:inline-flex;align-items:center;gap:6px;}
.crumb-bar li::after{content:"/";color:var(--line);margin-left:2px;}
.crumb-bar li:last-child::after{content:"";}
.crumb-bar a:hover{color:var(--ink);}
.crumb-bar .current{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- page hero ---------- */
.page-hero{padding:26px 0 0;}
.hero-panel{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:18px;
  padding:32px 24px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.hero-panel::before{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:260px;height:260px;
  border:1px solid rgba(28,74,69,.14);
  border-radius:50%;
  pointer-events:none;
}
.hero-panel::after{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:160px;height:160px;
  border:1px solid rgba(28,74,69,.09);
  border-radius:50%;
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(28,74,69,.09);
  color:var(--ink);
  font-size:12px;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cinnabar);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  max-width:20em;
}
.hero-lead{
  margin-top:18px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:44em;
}
.hero-meta{
  margin-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.pill{
  display:inline-flex;align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  background:rgba(28,74,69,.09);
  color:var(--ink);
}
.pill-version{
  background:transparent;
  border:1px solid var(--cinnabar);
  color:var(--cinnabar);
}
.pill-soft{background:var(--sub-bg);color:var(--text-2);}
.hero-side{
  display:grid;
  gap:12px;
  align-content:start;
}
.side-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  background:var(--paper);
  border:1px solid var(--line-soft);
  border-radius:12px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-item:hover{border-color:rgba(28,74,69,.35);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.side-num{
  font-family:"Noto Serif SC",serif;
  font-size:15px;
  color:var(--cinnabar);
  font-variant-numeric:tabular-nums;
  line-height:1.6;
  flex-shrink:0;
}
.side-item h3{font-size:15px;margin-bottom:2px;}
.side-item p{font-size:13px;color:var(--text-3);line-height:1.7;}
@media (min-width:1024px){
  .hero-panel{grid-template-columns:1.35fr .85fr;gap:40px;padding:48px 44px;align-items:center;}
}

/* ---------- section base ---------- */
.section{padding:var(--space-block-m) 0;}
@media (min-width:1024px){.section{padding:var(--space-block) 0;}}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2);}
.kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--bamboo);
  margin-bottom:10px;
}

/* ---------- Z 字交错 ---------- */
.zig-row{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  padding:28px 0;
  border-bottom:1px dashed var(--line-soft);
}
.zig-row:last-child{border-bottom:none;}
.zig-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--sub-bg);
  aspect-ratio:3/2;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-1);
}
.zig-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.zig-row:hover .zig-media img{transform:scale(1.03);}
.zig-media .corner-tag{
  position:absolute;
  left:14px;top:14px;
  height:24px;
  display:inline-flex;align-items:center;
  padding:0 10px;
  border-radius:999px;
  background:rgba(246,242,233,.94);
  border:1px solid var(--cinnabar);
  color:var(--cinnabar);
  font-size:12px;
  font-variant-numeric:tabular-nums;
}
.zig-body h2{
  font-size:clamp(21px,2.4vw,26px);
  margin-bottom:14px;
}
.zig-body p{
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.85;
}
.zig-body p + p{margin-top:10px;}
.textlink{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  color:var(--ink);
  font-weight:500;
  border-bottom:2px solid rgba(28,74,69,.25);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease,gap .2s ease;
}
.textlink:hover{color:var(--cinnabar);border-color:var(--cinnabar);gap:10px;}
@media (min-width:900px){
  .zig-row{grid-template-columns:1fr 1fr;gap:56px;padding:40px 0;}
  .zig-row.is-reverse .zig-media{order:2;}
  .zig-row.is-reverse .zig-body{order:1;}
}

/* ---------- 速览清单 ---------- */
.checklist-wrap{
  background:var(--sub-bg);
  border-radius:18px;
  padding:28px 20px;
  border:1px solid var(--line-soft);
}
@media (min-width:1024px){.checklist-wrap{padding:44px 40px;}}
.check-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:26px;
}
@media (min-width:640px){.check-grid{grid-template-columns:1fr 1fr;}}
.check-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:20px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.check-card:hover{border-color:rgba(28,74,69,.35);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.check-card h3{font-size:17px;margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.check-card .cmp{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.cmp-tag{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(28,74,69,.08);
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.cmp-tag.is-old{background:rgba(193,75,51,.1);color:var(--cinnabar);}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--sub-bg);
  border-radius:18px;
  padding:24px 18px;
  border:1px solid var(--line-soft);
}
@media (min-width:1024px){.faq-panel{padding:40px 36px;}}
.faq-list{display:grid;gap:12px;margin-top:24px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(28,74,69,.3);}
.faq-item.is-open{border-color:rgba(28,74,69,.4);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  text-align:left;
  background:transparent;
  border:none;
  padding:16px 18px;
  font-size:16px;
  font-weight:500;
  color:var(--ink-deep);
  line-height:1.6;
}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(28,74,69,.1);
  color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .28s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--ink);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 18px 18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- notice bar ---------- */
.notice-bar{
  margin-top:32px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:rgba(193,75,51,.08);
  border:1px solid rgba(193,75,51,.22);
  border-radius:14px;
  padding:18px 20px;
}
.notice-bar .ico{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:8px;
  background:rgba(193,75,51,.14);
  color:var(--cinnabar);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;
  font-size:15px;
}
.notice-bar p{font-size:14.5px;color:var(--ink-deep);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-deep);
  color:var(--paper);
  padding:40px 0;
}
@media (min-width:1024px){.cta-band{padding:56px 0;}}
.cta-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  align-items:center;
}
.cta-band h2{
  color:var(--paper);
  font-size:clamp(22px,2.6vw,28px);
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:rgba(246,242,233,.72);
  max-width:34em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:900px){
  .cta-inner{grid-template-columns:1.4fr .6fr;gap:40px;}
  .cta-actions{justify-content:flex-end;}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:var(--paper);
  padding:52px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand-mark{background:rgba(246,242,233,.14);color:var(--paper);box-shadow:inset 0 0 0 1px rgba(246,242,233,.28);}
.footer-brand .brand-main{color:var(--paper);}
.footer-brand .brand-sub{color:rgba(246,242,233,.62);}
.footer-slogan{
  margin-top:14px;
  font-size:14px;
  color:rgba(246,242,233,.66);
  line-height:1.8;
  max-width:22em;
}
.footer-col h3{
  font-family:"Noto Sans SC",sans-serif;
  font-size:13px;
  font-weight:500;
  color:rgba(246,242,233,.5);
  letter-spacing:.06em;
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,242,233,.8);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--cinnabar);padding-left:4px;}
.footer-contact li{
  font-size:14px;
  color:rgba(246,242,233,.72);
  line-height:1.8;
}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(246,242,233,.16);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(246,242,233,.52);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;}

@media (max-width:639px){
  body{font-size:15.5px;}
  .hero-panel{padding:26px 18px;}
  .faq-q{font-size:15px;padding:14px 15px;}
  .faq-a-inner{padding:0 15px 16px;font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --ink:#1C4A45;
  --ink-deep:#14302C;
  --bamboo:#3E8E7E;
  --cinnabar:#C14B33;
  --paper:#F6F2E9;
  --card:#FFFFFF;
  --paper-2:#EFE9DC;
  --line:#DDD5C4;
  --line-soft:#E6DFD0;
  --text:#232323;
  --text-2:#5C5A54;
  --text-3:#8A857C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(28,74,69,.06);
  --shadow-2:0 10px 28px rgba(28,74,69,.12);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Noto Serif SC','Songti SC','SimSun',serif;
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.25;
  margin:0;
  color:var(--text);
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:28px;padding-right:28px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(28,74,69,.08);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-cinnabar{background:var(--cinnabar);color:#fff;box-shadow:var(--shadow-1);}
.btn-cinnabar:hover{background:#A63E29;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-cinnabar:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:6px;
  transition:color .18s ease;
}
.link-more:hover{color:var(--cinnabar);}
.link-more svg{transition:transform .18s ease;}
.link-more:hover svg{transform:translateX(3px);}

/* ---------- 徽章 / 胶囊 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:rgba(28,74,69,.10);
  color:var(--ink);
  white-space:nowrap;
}
.pill-bamboo{background:rgba(62,142,126,.14);color:#2F7265;}
.pill-version{
  background:transparent;
  border:1px solid var(--cinnabar);
  color:var(--cinnabar);
  font-variant-numeric:tabular-nums;
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,48,44,.08);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:9px;
  background:var(--ink);
  color:#F3EEE2;
  font-family:'Noto Serif SC',serif;
  font-size:22px;
  font-weight:700;
  line-height:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{
  font-family:'Noto Serif SC',serif;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
}
.brand-sub{
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.08em;
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  padding:0 12px;
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:0;
  height:2px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  color:var(--ink);
  transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(28,74,69,.07);border-color:var(--ink);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,48,44,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:84%;
  max-width:360px;
  background:var(--paper);
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:22px 24px 32px;
  overflow-y:auto;
  box-shadow:-16px 0 40px rgba(20,48,44,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.drawer-close:hover{background:rgba(28,74,69,.07);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid rgba(221,213,196,.7);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-link:hover{color:var(--ink);padding-left:4px;}
.drawer-link.is-active{color:var(--ink);font-weight:500;}
.drawer-foot{margin-top:26px;display:flex;flex-direction:column;gap:12px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
  background:var(--paper);
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-140px;
  right:-120px;
  width:460px;
  height:460px;
  border-radius:50%;
  border:1px solid rgba(28,74,69,.30);
  opacity:.14;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  bottom:-180px;
  left:-140px;
  width:340px;
  height:340px;
  border-radius:50%;
  border:1px solid rgba(193,75,51,.30);
  opacity:.14;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:start;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;}
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--bamboo);
  letter-spacing:.12em;
  margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--cinnabar);
  display:inline-block;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  margin-bottom:20px;
}
.page-hero h1 .h1-sub{
  display:block;
  font-size:clamp(22px,2.6vw,32px);
  color:var(--ink);
  margin-top:10px;
}
.hero-lead{
  font-size:16px;
  color:var(--text-2);
  line-height:1.9;
  max-width:62ch;
  margin-bottom:24px;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-side{
  position:relative;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-img);
  padding:26px;
  box-shadow:var(--shadow-1);
}
.hero-side h2{
  font-size:18px;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-list{display:flex;flex-direction:column;gap:0;}
.side-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;
  color:var(--text-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-num{
  flex-shrink:0;
  width:24px;
  height:24px;
  border-radius:7px;
  background:rgba(62,142,126,.14);
  color:#2F7265;
  font-size:12px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}
.hero-side-tag{
  position:absolute;
  top:-13px;
  right:22px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--card);
  border:1px solid var(--cinnabar);
  color:var(--cinnabar);
  font-size:12px;
  line-height:24px;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--ink);
}
.section-desc{
  font-size:15px;
  color:var(--text-2);
  max-width:56ch;
  margin-top:12px;
  padding-left:16px;
}

/* ---------- 速查卡片 ---------- */
.quick-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.quick-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.quick-card:hover{
  border-color:rgba(28,74,69,.32);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.quick-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:rgba(62,142,126,.13);
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.quick-card h3{font-size:20px;}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.quick-card .quick-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.quick-card .quick-meta a{
  color:var(--ink);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:5px;
  transition:color .18s ease;
}
.quick-card .quick-meta a:hover{color:var(--cinnabar);}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--paper-2);
  border-radius:16px;
  padding:22px;
  border:1px solid rgba(221,213,196,.9);
}
@media (min-width:768px){.faq-panel{padding:34px;}}
.faq-item{
  background:var(--card);
  border-radius:12px;
  border:1px solid var(--line-soft);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item:hover{border-color:rgba(28,74,69,.28);}
.faq-item.is-open{border-color:rgba(28,74,69,.4);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  line-height:1.6;
}
.faq-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  background:rgba(62,142,126,.16);
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--ink);
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;
  align-items:flex-start;
  gap:16px;
  background:rgba(193,75,51,.08);
  border:1px solid rgba(193,75,51,.22);
  border-radius:var(--radius-card);
  padding:22px 24px;
  margin-top:32px;
}
.notice-bar .notice-icon{
  flex-shrink:0;
  width:36px;
  height:36px;
  border-radius:10px;
  background:rgba(193,75,51,.14);
  color:var(--cinnabar);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.notice-bar p{font-size:15px;color:var(--ink);line-height:1.8;}
.notice-bar strong{font-weight:700;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink-deep);
  padding:40px 0;
}
@media (min-width:1024px){.cta-band{padding:56px 0;}}
.cta-inner{
  display:flex;
  flex-direction:column;
  gap:24px;
}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
}
.cta-inner h2{
  color:#F6F2E9;
  font-size:clamp(22px,2.6vw,28px);
  margin-bottom:10px;
}
.cta-inner p{
  color:rgba(246,242,233,.72);
  font-size:15px;
  max-width:52ch;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(246,242,233,.82);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding-bottom:40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}}
.footer-brand .brand-mark{background:rgba(246,242,233,.12);color:#F6F2E9;}
.footer-brand .brand-main{color:#F6F2E9;}
.footer-brand .brand-sub{color:rgba(246,242,233,.55);}
.footer-slogan{
  margin-top:16px;
  font-size:14px;
  color:rgba(246,242,233,.66);
  line-height:1.8;
  max-width:26ch;
}
.footer-col h3{
  font-family:'Noto Sans SC',sans-serif;
  font-size:13px;
  font-weight:500;
  color:rgba(246,242,233,.5);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,242,233,.8);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--cinnabar);}
.footer-contact li{
  font-size:14px;
  color:rgba(246,242,233,.8);
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid rgba(246,242,233,.14);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:rgba(246,242,233,.55);
}
.footer-bottom .domain{
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  color:rgba(246,242,233,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .header-inner{height:60px;}
  .brand-mark{width:38px;height:38px;font-size:20px;}
  .brand-main{font-size:16px;}
  .site-header{position:sticky;}
  .page-hero{padding:44px 0 52px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:639px){
  body{font-size:15px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .quick-card{padding:22px 20px;}
  .quick-card:hover{transform:none;}
  .faq-panel{padding:16px;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 16px;font-size:14px;}
  .notice-bar{padding:18px;gap:12px;}
  .cta-actions .btn{width:100%;}
  .hero-side{padding:22px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}