/* roulang page: index */
:root{
    --herb-700:#24564A; --herb-900:#16382F; --herb-500:#3E7A66;
    --herb-100:#E4EDE7; --herb-50:#F1F6F2;
    --clay-600:#B85C2E; --clay-100:#F6E7DC;
    --paper:#F7F4ED; --paper-2:#EFEADF;
    --ink:#222824; --ink-2:#5C665F; --line:#E1DCCE;
    --white:#ffffff;
    --r-card:14px; --r-img:12px; --r-btn:10px;
    --shadow-sm:0 1px 2px rgba(22,56,47,.06);
    --shadow-md:0 8px 24px -12px rgba(22,56,47,.18);
    --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
    --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:var(--font-sans);font-size:16px;line-height:1.85;font-weight:400;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:none}
  h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;margin:0;line-height:1.32;color:var(--ink);letter-spacing:.01em}
  p{margin:0 0 1.15em}
  p:last-child{margin-bottom:0}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
  a:hover{color:var(--herb-700)}
  ul,ol{margin:0;padding:0;list-style:none}
  button,input{font:inherit;color:inherit;background:none;border:none;outline:none}
  button{cursor:pointer}
  svg{flex:none}
  .num{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--clay-600);outline-offset:2px;border-radius:4px}

  .shell{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
  .section{padding:92px 0}
  .section-tight{padding:64px 0}
  .divider-vein{height:1px;background:var(--line);position:relative}
  .divider-vein::after{
    content:"";position:absolute;left:50%;top:-3px;transform:translateX(-50%);
    width:48px;height:7px;border-radius:7px;background:var(--herb-100);
  }

  /* ---------- 公告条 ---------- */
  .notice-bar{background:var(--herb-900);color:var(--paper);font-size:13.5px}
  .notice-inner{display:flex;align-items:center;justify-content:center;gap:14px;height:38px;position:relative}
  .notice-inner strong{font-weight:700;color:#fff}
  .notice-close{
    position:absolute;right:0;top:50%;transform:translateY(-50%);
    width:28px;height:28px;display:grid;place-items:center;border-radius:6px;color:rgba(247,244,237,.7);
    transition:background .2s var(--ease),color .2s var(--ease)
  }
  .notice-close:hover{background:rgba(247,244,237,.12);color:#fff}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;height:68px;
    background:rgba(247,244,237,.94);border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease)
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-md)}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
  .nav-left{display:flex;align-items:center;gap:34px;min-width:0}
  .logo{display:inline-flex;align-items:baseline;gap:1px;font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:.04em;color:var(--herb-900)}
  .logo:hover{color:var(--herb-700)}
  .logo .logo-suffix{font-size:13px;letter-spacing:.06em;color:var(--clay-600);font-weight:700}
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-link{
    position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
    transition:color .2s var(--ease)
  }
  .nav-link:hover{color:var(--herb-700)}
  .nav-link.is-active{color:var(--herb-700);font-weight:700}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;bottom:-2px;width:24px;height:2px;border-radius:2px;background:var(--clay-600)
  }
  .nav-right{display:flex;align-items:center;gap:12px;flex:none}
  .icon-btn{
    width:40px;height:40px;display:grid;place-items:center;border-radius:10px;color:var(--ink-2);
    border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)
  }
  .icon-btn:hover{background:var(--herb-50);color:var(--herb-700);border-color:var(--line)}
  .search-shell{position:relative}
  .search-panel{
    position:absolute;right:0;top:50px;width:300px;background:var(--white);border:1px solid var(--line);
    border-radius:12px;box-shadow:var(--shadow-md);padding:12px;display:none
  }
  .search-panel.is-open{display:block}
  .search-panel input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14.5px;background:var(--paper)}
  .search-panel input:focus{border-color:var(--herb-700);box-shadow:0 0 0 3px var(--herb-100)}
  .search-hint{font-size:12.5px;color:var(--ink-2);margin-top:8px;line-height:1.7}
  .nav-toggle{display:none;width:44px;height:44px;place-items:center;border-radius:10px;border:1px solid var(--line);color:var(--herb-700)}
  .nav-toggle:hover{background:var(--herb-50)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:700;line-height:1;padding:14px 26px;border-radius:var(--r-btn);
    border:1.5px solid transparent;transition:all .22s var(--ease);white-space:nowrap;min-height:46px
  }
  .btn-primary{background:var(--herb-700);color:var(--paper);border-color:var(--herb-700)}
  .btn-primary:hover{background:var(--herb-900);border-color:var(--herb-900);color:var(--paper);transform:translateY(-1px);box-shadow:var(--shadow-md)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
  .btn-ghost{background:transparent;color:var(--herb-700);border-color:var(--herb-700)}
  .btn-ghost:hover{background:var(--herb-50);border-color:var(--herb-900);color:var(--herb-900)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-light{background:var(--paper);color:var(--herb-700);border-color:var(--paper)}
  .btn-light:hover{background:#fff;color:var(--herb-900);transform:translateY(-1px);box-shadow:var(--shadow-md)}
  .btn-sm{padding:11px 20px;font-size:14px;min-height:40px}
  .link-cta{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--herb-700);
    transition:gap .2s var(--ease),color .2s var(--ease)
  }
  .link-cta:hover{color:var(--herb-900);text-decoration:underline;text-underline-offset:4px;gap:9px}
  .link-cta svg{transition:transform .2s var(--ease)}
  .link-cta:hover svg{transform:translateX(2px)}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
    font-size:12.5px;font-weight:700;letter-spacing:.02em;background:var(--herb-100);color:var(--herb-700)
  }
  .badge-clay{background:var(--clay-100);color:var(--clay-600)}
  .badge-outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-weight:500}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--clay-600);letter-spacing:.06em}
  .eyebrow::before{content:"";width:18px;height:1.5px;background:var(--clay-600);display:block}

  /* ---------- Hero ---------- */
  .hero{padding:64px 0 76px;position:relative}
  .hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;background:var(--herb-100);color:var(--herb-700);
    font-size:13.5px;font-weight:700;padding:8px 14px;border-radius:6px;letter-spacing:.02em
  }
  .hero h1{font-size:52px;line-height:1.24;margin-top:22px;letter-spacing:.005em}
  .hero h1 .hl{color:var(--herb-700)}
  .hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-2);max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .trust-rows{margin-top:34px;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line);padding-top:22px}
  .trust-row{display:flex;align-items:baseline;gap:12px;font-size:13.5px;color:var(--ink-2)}
  .trust-row .tnum{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--herb-700);font-variant-numeric:tabular-nums;min-width:64px}
  .hero-visual{position:relative}
  .hero-media{
    position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);
    box-shadow:var(--shadow-sm)
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
  .hero-media::after{
    content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,56,47,0) 55%,rgba(22,56,47,.28) 100%)
  }
  .hero-float{
    position:absolute;right:-14px;bottom:-26px;background:var(--white);border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--shadow-md);padding:20px 22px;width:268px;z-index:3
  }
  .hero-float h3{font-size:16px;margin-bottom:10px}
  .hero-float dl{margin:0;display:grid;gap:8px}
  .hero-float .frow{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-2)}
  .hero-float .frow b{color:var(--herb-700);font-family:var(--font-serif);font-variant-numeric:tabular-nums}

  /* ---------- 信任带 ---------- */
  .trust-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .trust-band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:76px;padding:16px 0}
  .trust-band-label{font-size:13.5px;color:var(--ink-2);max-width:220px;line-height:1.7}
  .trust-logos{display:flex;flex-wrap:wrap;gap:10px}
  .trust-logo{
    font-size:12.5px;font-weight:700;color:var(--ink-2);border:1px solid var(--line);border-radius:6px;
    padding:8px 14px;background:var(--paper);transition:all .22s var(--ease);letter-spacing:.03em
  }
  .trust-logo:hover{color:var(--herb-700);border-color:var(--herb-500);background:var(--herb-50)}

  /* ---------- 痛点区 ---------- */
  .pain-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
  .pain-sticky{position:sticky;top:104px}
  .pain-sticky h2{font-size:32px;margin-top:14px}
  .pain-sticky p{margin-top:16px;font-size:15px;color:var(--ink-2);line-height:1.9}
  .pain-list{border-top:1px dashed var(--line)}
  .pain-item{display:flex;gap:24px;padding:26px 0;border-bottom:1px dashed var(--line)}
  .pain-num{
    font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--clay-600);
    line-height:1;font-variant-numeric:tabular-nums;min-width:52px;padding-top:4px
  }
  .pain-item h3{font-size:19px;margin-bottom:8px}
  .pain-item p{font-size:15px;color:var(--ink-2);line-height:1.85;max-width:620px}

  /* ---------- 方案交错 ---------- */
  .zig-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center}
  .zig-row + .zig-row{margin-top:64px}
  .zig-row.reverse .zig-media{order:2}
  .zig-row.reverse .zig-body{order:1}
  .zig-media{border-radius:var(--r-img);overflow:hidden;background:var(--paper-2)}
  .zig-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
  .zig-body h3{font-size:23px;margin-bottom:14px}
  .zig-body > p{font-size:15.5px;color:var(--ink-2);line-height:1.9}
  .check-list{margin:20px 0 24px;display:grid;gap:12px}
  .check-list li{display:flex;gap:11px;font-size:15px;color:var(--ink);line-height:1.75}
  .check-list svg{margin-top:5px;color:var(--herb-700)}

  /* ---------- 分类入口 ---------- */
  .entry-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px}
  .entry-large{
    position:relative;border-radius:var(--r-card);overflow:hidden;min-height:360px;display:flex;
    align-items:flex-end;padding:36px;color:var(--paper);border:1px solid var(--line);
    transition:box-shadow .24s var(--ease),transform .24s var(--ease)
  }
  .entry-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .5s var(--ease)}
  .entry-large::before{content:"";position:absolute;inset:0;background:rgba(22,56,47,.66);z-index:1}
  .entry-large:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
  .entry-large:hover img{transform:scale(1.04)}
  .entry-large-body{position:relative;z-index:2;max-width:460px}
  .entry-large-body .badge{background:rgba(247,244,237,.16);color:#fff}
  .entry-large-body h3{color:#fff;font-size:26px;margin:14px 0 10px}
  .entry-large-body p{font-size:15px;color:rgba(247,244,237,.86);line-height:1.85}
  .entry-large-body .link-cta{color:#fff;margin-top:18px}
  .entry-large-body .link-cta:hover{color:#fff}
  .entry-side{display:grid;gap:24px}
  .entry-small{
    background:var(--herb-50);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
    display:flex;flex-direction:column;gap:12px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)
  }
  .entry-small:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md)}
  .entry-small .icon-wrap{
    width:44px;height:44px;border-radius:10px;background:var(--herb-100);color:var(--herb-700);
    display:grid;place-items:center
  }
  .entry-small h3{font-size:19px}
  .entry-small p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
  .entry-small .meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}

  /* ---------- 数据带 ---------- */
  .stat-band{background:var(--herb-900);color:var(--paper);padding:82px 0}
  .stat-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:center}
  .stat-band h2{color:#fff;font-size:32px}
  .stat-band .lead{color:rgba(247,244,237,.78);font-size:15px;line-height:1.9;margin-top:16px;max-width:340px}
  .stat-items{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
  .stat-item{padding:6px 22px;border-left:1px solid rgba(255,255,255,.14)}
  .stat-item:first-child{border-left:none;padding-left:0}
  .stat-item .figure{
    font-family:var(--font-serif);font-size:44px;font-weight:700;color:#fff;line-height:1.1;
    font-variant-numeric:tabular-nums
  }
  .stat-item .figure span{font-size:19px;margin-left:2px;color:var(--herb-100)}
  .stat-item .cap{font-size:13.5px;color:rgba(247,244,237,.72);margin-top:10px;line-height:1.7}

  /* ---------- 证言 ---------- */
  .quote-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:stretch}
  .quote-main{
    background:var(--herb-50);border:1px solid var(--line);border-radius:var(--r-card);padding:40px;
    display:flex;flex-direction:column;justify-content:space-between;gap:26px
  }
  .quote-mark{font-family:var(--font-serif);font-size:56px;line-height:.7;color:var(--herb-500);opacity:.55}
  .quote-main blockquote{margin:0;font-size:18px;line-height:1.95;color:var(--ink)}
  .quote-person{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:20px}
  .quote-avatar{
    width:44px;height:44px;border-radius:999px;background:var(--herb-100);color:var(--herb-700);
    display:grid;place-items:center;font-family:var(--font-serif);font-weight:700;font-size:16px
  }
  .quote-person .name{font-size:15px;font-weight:700}
  .quote-person .role{font-size:13px;color:var(--ink-2)}
  .quote-side{display:grid;gap:24px}
  .quote-small{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
    box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease)
  }
  .quote-small:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md)}
  .quote-small p{font-size:15px;line-height:1.9;color:var(--ink-2)}

  /* ---------- 内容列表 ---------- */
  .posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
  .posts-head h2{font-size:32px;margin-top:14px}
  .post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .post-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease)
  }
  .post-card:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md);transform:translateY(-2px);color:inherit}
  .post-cover{overflow:hidden;background:var(--paper-2)}
  .post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
  .post-card:hover .post-cover img{transform:scale(1.03)}
  .post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .post-body h3{font-size:18px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .post-body .excerpt{
    font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;
    -webkit-box-orient:vertical;overflow:hidden
  }
  .post-foot{
    margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;
    justify-content:space-between;font-size:13px;color:var(--ink-2)
  }
  .post-foot .go{color:var(--herb-700);font-weight:700;display:inline-flex;align-items:center;gap:5px}
  .empty-state{
    text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);
    background:var(--herb-50);display:flex;flex-direction:column;align-items:center;gap:14px;min-height:280px;
    justify-content:center
  }
  .empty-state h3{font-size:16px}
  .empty-state p{font-size:14px;color:var(--ink-2);margin:0}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px;margin:0 auto}
  .faq-wrap > h2{font-size:32px;text-align:center}
  .faq-wrap > .faq-lead{text-align:center;font-size:15px;color:var(--ink-2);margin:16px auto 36px;max-width:620px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-of-type{border-top:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;position:relative;padding:22px 52px 22px 0;
    font-size:18px;font-weight:700;font-family:var(--font-serif);line-height:1.5;transition:color .2s var(--ease)
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--herb-700)}
  .faq-item summary::before{
    content:"";position:absolute;right:14px;top:50%;width:15px;height:1.5px;background:var(--herb-700);transform:translateY(-50%)
  }
  .faq-item summary::after{
    content:"";position:absolute;right:20.5px;top:50%;width:1.5px;height:15px;background:var(--herb-700);
    transform:translateY(-50%);transition:transform .22s var(--ease)
  }
  .faq-item[open] summary{color:var(--herb-700)}
  .faq-item[open] summary::after{transform:translateY(-50%) scaleY(0)}
  .faq-answer{
    padding:0 52px 26px 18px;margin-left:0;border-left:3px solid var(--herb-700);
    font-size:15px;line-height:1.95;color:var(--ink-2)
  }

  /* ---------- CTA ---------- */
  .cta-band{background:var(--herb-700);color:var(--paper)}
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0}
  .cta-band h2{color:#fff;font-size:30px}
  .cta-band .cta-text{color:rgba(247,244,237,.85);font-size:15px;margin-top:14px;max-width:560px;line-height:1.9}
  .cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
  .cta-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(247,244,237,.9)}
  .cta-points svg{color:var(--herb-100)}
  .cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px;flex:none}
  .cta-actions .link-cta{color:var(--herb-100)}
  .cta-actions .link-cta:hover{color:#fff}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--herb-900);color:var(--paper);padding:72px 0 0;font-size:14px}
  .footer-cols{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.6fr) minmax(0,3fr);gap:40px}
  .footer-brand .logo{color:var(--paper);font-size:22px}
  .footer-brand .logo .logo-suffix{color:var(--clay-100)}
  .footer-brand p{color:rgba(247,244,237,.72);line-height:1.9;margin-top:16px;max-width:320px}
  .footer-contact{margin-top:20px;display:grid;gap:8px;color:rgba(247,244,237,.72);font-size:13.5px}
  .footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:700}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{color:rgba(247,244,237,.75);font-size:14px}
  .footer-col a:hover{color:var(--herb-100);text-decoration:underline;text-underline-offset:4px}
  .footer-qr{
    width:104px;height:104px;border:1px solid rgba(255,255,255,.2);border-radius:10px;
    display:grid;place-items:center;color:rgba(247,244,237,.6);font-size:12.5px;text-align:center;
    padding:8px;line-height:1.6;margin-top:16px
  }
  .footer-bottom{
    margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    font-size:13px;color:rgba(247,244,237,.62);flex-wrap:wrap
  }
  .footer-bottom a{color:rgba(247,244,237,.72)}
  .footer-bottom a:hover{color:var(--herb-100)}
  .footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}

  /* ---------- 抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(22,56,47,.45);opacity:0;visibility:hidden;
    transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:var(--paper);
    z-index:90;transform:translateX(100%);transition:transform .28s var(--ease);
    display:flex;flex-direction:column;padding:20px;overflow-y:auto
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
  .drawer-nav{display:grid;gap:6px;margin-bottom:24px}
  .drawer-nav a{
    padding:14px 12px;border-radius:10px;font-size:16px;color:var(--ink);border:1px solid transparent
  }
  .drawer-nav a:hover{background:var(--herb-50);border-color:var(--line);color:var(--herb-700)}
  .drawer-nav a.is-active{background:var(--herb-100);color:var(--herb-700);font-weight:700}
  .drawer-search input{
    width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14.5px;background:#fff
  }
  .drawer-search input:focus{border-color:var(--herb-700);box-shadow:0 0 0 3px var(--herb-100)}
  .drawer-cta{margin-top:20px;display:grid;gap:12px}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .shell{padding:0 24px}
    .nav-links{display:none}
    .nav-toggle{display:grid}
    .hero{padding:44px 0 64px}
    .hero-grid{grid-template-columns:1fr;gap:56px}
    .hero h1{font-size:44px}
    .hero-float{position:relative;right:auto;bottom:auto;width:100%;margin-top:16px}
    .pain-grid{grid-template-columns:1fr;gap:32px}
    .pain-sticky{position:static}
    .zig-row{grid-template-columns:1fr;gap:26px}
    .zig-row.reverse .zig-media{order:0}
    .zig-row.reverse .zig-body{order:0}
    .zig-row + .zig-row{margin-top:52px}
    .entry-grid{grid-template-columns:1fr}
    .stat-grid{grid-template-columns:1fr;gap:32px}
    .stat-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
    .stat-item{padding:20px 22px}
    .stat-item:nth-child(odd){border-left:none;padding-left:0}
    .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid rgba(255,255,255,.14)}
    .quote-grid{grid-template-columns:1fr}
    .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
  }
  @media (max-width:767px){
    .section{padding:56px 0}
    .section-tight{padding:48px 0}
    .hero h1{font-size:36px}
    .hero-sub{font-size:16px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{width:100%}
    .trust-band-inner{flex-direction:column;align-items:flex-start;padding:20px 0;min-height:0}
    .trust-band-label{max-width:none}
    .pain-sticky h2,.stat-band h2,.posts-head h2,.faq-wrap > h2,.cta-band h2{font-size:26px}
    .pain-item{gap:16px;padding:22px 0}
    .pain-num{font-size:26px;min-width:40px}
    .post-grid{grid-template-columns:1fr;gap:18px}
    .stat-item .figure{font-size:36px}
    .quote-main{padding:28px}
    .quote-main blockquote{font-size:16.5px}
    .posts-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
    .faq-item summary{font-size:16.5px;padding:18px 44px 18px 0}
    .faq-answer{padding:0 44px 22px 14px}
    .cta-band h2{font-size:24px}
    .footer-cols{grid-template-columns:1fr;gap:34px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
    .entry-large{min-height:300px;padding:26px}
    .entry-large-body h3{font-size:22px}
    .notice-bar{display:none}
  }
  @media (max-width:520px){
    .shell{padding:0 20px}
    .logo{font-size:19px}
    .hero-badge{font-size:12.5px}
    .trust-row{flex-direction:column;gap:2px}
    .trust-row .tnum{font-size:20px}
    .stat-items{grid-template-columns:1fr}
    .stat-item{border-left:none;padding-left:0}
    .stat-item + .stat-item{border-top:1px solid rgba(255,255,255,.14)}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: article */
:root{
    --herb-900:#16382F;
    --herb-700:#24564A;
    --herb-500:#3E7A66;
    --herb-100:#E4EDE7;
    --herb-50:#F1F6F2;
    --clay-600:#B85C2E;
    --clay-100:#F6E7DC;
    --paper:#F7F4ED;
    --paper-2:#EFEADF;
    --card:#FFFFFF;
    --ink:#222824;
    --ink-2:#5C665F;
    --line:#E1DCCE;
    --radius-card:14px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(22,56,47,.06);
    --shadow-md:0 8px 24px -12px rgba(22,56,47,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
    --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),text-decoration-color .2s var(--ease)}
  a:hover{color:var(--herb-700)}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;margin:0}
  .shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .num{font-variant-numeric:tabular-nums}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,237,.92);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
  .header-left{display:flex;align-items:center;gap:36px;min-width:0}
  .logo{font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--herb-900);letter-spacing:.02em;white-space:nowrap}
  .logo:hover{color:var(--herb-700)}
  .logo-suffix{font-size:13px;color:var(--clay-600);margin-left:2px;letter-spacing:0}
  .nav-links{display:flex;align-items:center;gap:28px}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:68px;
    font-size:15px;color:var(--ink-2);white-space:nowrap;
  }
  .nav-link:hover{color:var(--herb-700)}
  .nav-link.is-active{color:var(--herb-700);font-weight:500}
  .nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--clay-600);border-radius:2px}
  .header-right{display:flex;align-items:center;gap:14px}
  .nav-search{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-search:focus-within{border-color:var(--herb-700);box-shadow:0 0 0 3px var(--herb-100)}
  .nav-search svg{width:16px;height:16px;color:var(--ink-2);flex:none}
  .nav-search input{width:150px;border:0;outline:0;background:transparent;font-size:14px}
  .nav-search input::placeholder{color:#98A29B}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);border:1.5px solid transparent;
    font-size:15px;font-weight:700;padding:13px 26px;cursor:pointer;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn-primary{background:var(--herb-700);color:var(--paper)}
  .btn-primary:hover{background:var(--herb-900);color:var(--paper);transform:translateY(-1px);box-shadow:var(--shadow-md)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--herb-700);color:var(--herb-700)}
  .btn-ghost:hover{background:var(--herb-50);border-color:var(--herb-900);color:var(--herb-900)}
  .btn-light{background:var(--paper);color:var(--herb-700)}
  .btn-light:hover{background:#fff;color:var(--herb-900);transform:translateY(-1px)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--clay-600);outline-offset:2px}

  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
    border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  }
  .burger span{display:block;width:18px;height:1.6px;background:var(--herb-900);border-radius:2px}

  /* ============ 移动抽屉 ============ */
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:90;
    background:var(--paper);border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .26s var(--ease);
    padding:22px 22px 32px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
  .drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
  .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
  .drawer-nav a{padding:13px 4px;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)}
  .drawer-nav a.is-active{color:var(--herb-700);font-weight:700}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(22,56,47,.34);z-index:80;opacity:0;visibility:hidden;
    transition:opacity .26s var(--ease),visibility .26s var(--ease);
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}

  /* ============ 面包屑 ============ */
  .breadcrumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:13px;color:var(--ink-2);padding:22px 0 0;
  }
  .breadcrumb a{color:var(--ink-2)}
  .breadcrumb a:hover{color:var(--herb-700);text-decoration:underline;text-underline-offset:4px}
  .breadcrumb .sep{color:#A9B2AB}
  .breadcrumb .current{font-weight:500;color:var(--ink-2);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ============ 文章头部 ============ */
  .article-head{max-width:780px;margin:0 auto;padding:30px 0 0}
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
    font-size:12.5px;font-weight:500;line-height:1.6;
  }
  .badge-herb{background:var(--herb-100);color:var(--herb-700)}
  .badge-clay{background:var(--clay-100);color:var(--clay-600)}
  .article-title{
    font-size:34px;line-height:1.35;margin:16px 0 16px;color:var(--herb-900);
    word-break:break-word;
  }
  .meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--ink-2)}
  .meta-row .dot{color:#A9B2AB}
  .article-cover{max-width:940px;margin:30px auto 0}
  .article-cover img{
    width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
    background:var(--paper-2);
  }
  .cover-caption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}

  /* ============ 正文 + 侧栏 ============ */
  .article-body{
    max-width:1180px;margin:0 auto;padding:40px 0 8px;
    display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;
  }
  .prose-wrap{max-width:760px;min-width:0}
  .prose-cn{font-size:18px;line-height:1.9;color:var(--ink)}
  .prose-cn > *:first-child{margin-top:0}
  .prose-cn h2{
    font-size:26px;line-height:1.4;margin:2em 0 .8em;padding-left:14px;
    border-left:4px solid var(--clay-600);
  }
  .prose-cn h3{font-size:20px;line-height:1.5;margin:1.7em 0 .6em;color:var(--herb-900)}
  .prose-cn h4{font-size:17px;margin:1.4em 0 .5em}
  .prose-cn p{margin:0 0 1.2em}
  .prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.4em}
  .prose-cn ul{list-style:none;padding-left:1.35em}
  .prose-cn ul li{position:relative}
  .prose-cn ul li::before{
    content:"";position:absolute;left:-1em;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--herb-500);
  }
  .prose-cn ol li::marker{color:var(--clay-600);font-weight:700}
  .prose-cn li{margin-bottom:.5em}
  .prose-cn strong{font-weight:700;color:var(--herb-900)}
  .prose-cn blockquote{
    margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--herb-500);
    background:var(--herb-50);border-radius:0 12px 12px 0;font-size:17px;color:var(--ink-2);
  }
  .prose-cn blockquote p:last-child{margin-bottom:0}
  .prose-cn img{border-radius:var(--radius-img);margin:1.6em auto;width:100%;height:auto;background:var(--paper-2)}
  .prose-cn a{color:var(--herb-700);text-decoration:underline;text-underline-offset:4px}
  .prose-cn table{width:100%;border-collapse:collapse;font-size:16px;margin:1.6em 0;background:#fff}
  .prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 14px;text-align:left}
  .prose-cn th{background:var(--herb-100);color:var(--herb-900);font-weight:700}
  .prose-cn tbody tr:hover td{background:var(--herb-50)}
  .prose-cn pre{background:var(--paper-2);border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:15px;line-height:1.7}
  .prose-cn code{background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:.9em}
  .prose-cn pre code{background:none;padding:0}
  .prose-cn hr{border:0;border-top:1px dashed var(--line);margin:2em 0}

  /* ============ 侧栏 ============ */
  .side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
  .side-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px;box-shadow:var(--shadow-sm);
  }
  .side-card h4{font-size:16px;margin-bottom:14px;color:var(--herb-900)}
  .side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
  .side-list li{border-bottom:1px dashed var(--line)}
  .side-list li:last-child{border-bottom:0}
  .side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--ink-2)}
  .side-list a:hover{color:var(--herb-700)}
  .side-list a span{color:var(--clay-600);flex:none}
  .side-cta{background:var(--herb-50);border:1px solid var(--herb-100)}
  .side-cta p{font-size:14px;color:var(--ink-2);margin:0 0 16px;line-height:1.8}
  .side-cta .btn{width:100%}

  /* ============ 空态 ============ */
  .empty-state{
    border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
    padding:56px 32px;text-align:center;min-height:320px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  }
  .empty-state svg{width:48px;height:48px;color:var(--herb-500)}
  .empty-state h2{font-size:20px;color:var(--herb-900)}
  .empty-state p{font-size:14px;color:var(--ink-2);margin:0;max-width:420px}

  /* ============ 标签 / 栏目导航 ============ */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 0;padding-top:26px;border-top:1px solid var(--line)}
  .tag{
    display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
    background:var(--herb-100);color:var(--herb-700);font-size:13px;
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .tag:hover{background:var(--herb-700);color:var(--paper)}
  .nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
  .nav-card{
    display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px 22px;box-shadow:var(--shadow-sm);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .nav-card:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md);transform:translateY(-1px)}
  .nav-card .dir{font-size:13px;color:var(--clay-600);letter-spacing:.06em}
  .nav-card h4{font-size:16px;margin:8px 0 6px;color:var(--herb-900)}
  .nav-card p{font-size:13.5px;color:var(--ink-2);margin:0}

  /* ============ 区块通用 ============ */
  .section{padding:76px 0}
  .section-tight{padding:56px 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
  .section-head h2{font-size:28px;line-height:1.4;color:var(--herb-900)}
  .section-head p{font-size:15px;color:var(--ink-2);margin:8px 0 0;max-width:640px}
  .eyebrow{font-size:13px;color:var(--clay-600);font-weight:700;letter-spacing:.12em;margin-bottom:10px}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--herb-700)}
  .link-more:hover{text-decoration:underline;text-underline-offset:4px}
  .link-more svg{width:16px;height:16px;transition:transform .2s var(--ease)}
  .link-more:hover svg{transform:translateX(2px)}

  /* ============ 相关推荐 ============ */
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
  }
  .card:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md);transform:translateY(-2px)}
  .card-thumb{overflow:hidden;background:var(--paper-2)}
  .card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s var(--ease)}
  .card:hover .card-thumb img{transform:scale(1.03)}
  .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:18px;line-height:1.5;color:var(--herb-900)}
  .card-body p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.8}
  .card-foot{
    margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);
  }
  .card-foot svg{width:15px;height:15px;color:var(--herb-700)}

  /* ============ 结尾 CTA ============ */
  .cta-band{background:var(--herb-700);color:var(--paper);border-radius:18px;overflow:hidden;position:relative}
  .cta-band .inner{
    display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
    padding:52px 48px;
  }
  .cta-band h2{font-size:30px;line-height:1.4;color:var(--paper)}
  .cta-band p{margin:14px 0 0;font-size:15px;color:rgba(247,244,237,.85);max-width:560px}
  .cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13.5px;color:rgba(247,244,237,.9)}
  .cta-points span{display:inline-flex;align-items:center;gap:7px}
  .cta-points svg{width:15px;height:15px;color:var(--clay-100)}
  .cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
  .cta-actions .btn-light{width:100%}
  .cta-actions .link-plain{font-size:14px;color:rgba(247,244,237,.9);text-decoration:underline;text-underline-offset:4px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--herb-900);color:var(--paper);margin-top:80px;padding:64px 0 28px}
  .footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
  .site-footer .logo{color:var(--paper);font-size:20px;display:inline-block;margin-bottom:14px}
  .site-footer .logo-suffix{color:var(--clay-100)}
  .footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,244,237,.74);margin:0 0 18px;max-width:360px}
  .footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:rgba(247,244,237,.7)}
  .footer-col h4{font-size:15px;color:var(--paper);margin-bottom:16px}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:rgba(247,244,237,.74)}
  .footer-col a:hover{color:var(--herb-100);text-decoration:underline;text-underline-offset:4px}
  .footer-qr{
    margin-top:18px;width:118px;height:118px;border:1px dashed rgba(247,244,237,.3);border-radius:12px;
    display:flex;align-items:center;justify-content:center;text-align:center;
    font-size:12.5px;color:rgba(247,244,237,.62);line-height:1.6;padding:10px;
  }
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(247,244,237,.66);
  }
  .footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
  .footer-bottom a{color:rgba(247,244,237,.66)}
  .footer-bottom a:hover{color:var(--herb-100)}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .article-body{grid-template-columns:minmax(0,1fr);gap:0}
    .side{position:static;margin-top:44px;flex-direction:row;flex-wrap:wrap}
    .side-card{flex:1 1 300px}
  }
  @media (max-width:1023px){
    .nav-links,.nav-search{display:none}
    .burger{display:flex}
    .header-left{gap:0}
    .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-band .inner{grid-template-columns:1fr;padding:44px 32px}
    .section{padding:60px 0}
  }
  @media (max-width:767px){
    .shell{padding:0 20px}
    .article-head{padding-top:22px}
    .article-title{font-size:28px}
    .prose-cn{font-size:17px;line-height:1.9}
    .prose-cn h2{font-size:22px}
    .prose-cn table{display:block;overflow-x:auto;white-space:nowrap}
    .nav-cards{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .footer-cols{grid-template-columns:1fr;gap:30px}
    .section-head h2{font-size:23px}
    .cta-band h2{font-size:24px}
    .cta-band .inner{padding:36px 22px}
    .side{flex-direction:column}
  }
  @media (max-width:520px){
    .header-right .btn-primary{display:none}
    .article-title{font-size:26px}
    .breadcrumb .current{max-width:180px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category1 */
:root{
  --herb-900:#16382F; --herb-700:#24564A; --herb-500:#3E7A66; --herb-100:#E4EDE7; --herb-50:#F1F6F2;
  --clay-600:#B85C2E; --clay-100:#F6E7DC;
  --paper:#F7F4ED; --paper-2:#EFEADF; --white:#FFFFFF;
  --ink:#222824; --ink-2:#5C665F; --line:#E1DCCE;
  --radius-card:14px; --radius-img:12px; --radius-btn:10px; --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(22,56,47,.06);
  --shadow-md:0 8px 24px -12px rgba(22,56,47,.18);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.9;font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--herb-700);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--ink);margin:0;line-height:1.32;letter-spacing:.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--clay-600);outline-offset:2px;border-radius:4px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.serif{font-family:var(--font-serif);}
.num{font-variant-numeric:tabular-nums;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,237,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.header-left{display:flex;align-items:center;gap:36px;min-width:0;}
.logo{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--herb-900);
  letter-spacing:.02em;white-space:nowrap;
}
.logo .logo-suffix{font-size:13px;color:var(--herb-500);letter-spacing:.06em;margin-left:1px;}
.logo:hover{color:var(--herb-700);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--clay-600);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--herb-700);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{color:var(--herb-700);font-weight:700;}
.nav-link.is-active::after{width:18px;}
.header-right{display:flex;align-items:center;gap:14px;}
.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius-btn);padding:0 12px;height:40px;transition:border-color .2s var(--ease);}
.search-box:focus-within{border-color:var(--herb-700);box-shadow:0 0 0 3px var(--herb-100);}
.search-box svg{flex:none;}
.search-box input{border:0;outline:0;background:transparent;width:118px;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#98A29B;}
.header-phone{font-size:14px;color:var(--ink-2);white-space:nowrap;}
.header-phone:hover{color:var(--herb-700);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  padding:14px 28px;line-height:1;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--herb-700);color:var(--paper);}
.btn-primary:hover{background:var(--herb-900);color:var(--paper);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--herb-700);border:1.5px solid var(--herb-700);}
.btn-ghost:hover{background:var(--herb-50);border-color:var(--herb-900);color:var(--herb-900);}
.btn-light{background:var(--paper);color:var(--herb-700);}
.btn-light:hover{background:#fff;color:var(--herb-900);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-block{width:100%;}

.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--herb-700);
  text-underline-offset:4px;
}
.link-cta:hover{text-decoration:underline;color:var(--herb-900);}
.link-cta svg{transition:transform .2s var(--ease);}
.link-cta:hover svg{transform:translateX(3px);}

.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--white);color:var(--herb-900);
}
.drawer{
  position:fixed;top:0;right:0;width:300px;height:100%;background:var(--paper);
  border-left:1px solid var(--line);z-index:90;transform:translateX(102%);
  transition:transform .26s var(--ease);padding:20px;display:flex;flex-direction:column;gap:24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--herb-900);background:var(--white);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:13px 10px;border-radius:8px;font-size:16px;color:var(--ink);border-left:3px solid transparent;}
.drawer-nav a:hover{background:var(--herb-50);color:var(--herb-700);}
.drawer-nav a.is-active{color:var(--herb-700);font-weight:700;border-left-color:var(--clay-600);background:var(--herb-50);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,56,47,.4);z-index:80;opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ===== Banner ===== */
.page-banner{
  position:relative;min-height:268px;display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(22,56,47,.66);}
.page-banner .shell{position:relative;z-index:2;padding-top:64px;padding-bottom:44px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,244,237,.82);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(247,244,237,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:500;}
.page-banner h1{color:var(--paper);font-size:32px;line-height:1.3;margin-bottom:12px;}
.page-banner .banner-lead{color:rgba(247,244,237,.9);font-size:16px;max-width:640px;line-height:1.8;margin:0;}
.banner-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.banner-tag{
  font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(247,244,237,.14);color:var(--paper);border:1px solid rgba(247,244,237,.28);
}

/* ===== Layout ===== */
.cat-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;padding:56px 0 0;}
.cat-aside{align-self:start;position:sticky;top:92px;}
.toc{border-left:1px solid var(--line);padding-left:0;}
.toc-title{font-size:13px;letter-spacing:.14em;color:var(--clay-600);font-weight:700;margin:0 0 14px 15px;}
.toc a{
  display:block;font-size:15px;color:var(--ink-2);padding:10px 0 10px 15px;
  border-left:3px solid transparent;margin-left:-1px;transition:all .2s var(--ease);
}
.toc a:hover{color:var(--herb-700);background:var(--herb-50);}
.toc a.is-active{color:var(--herb-700);font-weight:700;border-left-color:var(--clay-600);background:var(--herb-50);}
.aside-card{
  margin-top:28px;background:var(--herb-50);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
}
.aside-card h3{font-size:16px;margin-bottom:8px;}
.aside-card p{font-size:13px;color:var(--ink-2);line-height:1.8;margin-bottom:14px;}

.doc-section{padding:44px 0;border-top:1px dashed var(--line);scroll-margin-top:96px;}
.doc-section:first-child{border-top:0;padding-top:0;}
.section-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--clay-600);
  background:var(--clay-100);border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:14px;font-weight:700;
}
.doc-section h2{font-size:26px;margin-bottom:18px;}
.doc-section h3{font-size:18px;margin:26px 0 10px;}
.doc-section p{font-size:16px;line-height:1.95;color:var(--ink);}
.doc-section p.muted{color:var(--ink-2);}

.figure{margin:26px 0;}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);background:var(--paper-2);border:1px solid var(--line);}
.figure figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}

/* spec list */
.spec-list{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--white);}
.spec-row{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;padding:16px 22px;border-top:1px dashed var(--line);}
.spec-row:first-child{border-top:0;}
.spec-row dt{font-size:14px;font-weight:700;color:var(--herb-700);margin:0;}
.spec-row dd{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85;}
.spec-row:hover{background:var(--herb-50);}

/* scenes */
.scene-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:22px 0;border-top:1px dashed var(--line);
}
.scene-item:first-child{border-top:0;padding-top:6px;}
.scene-no{font-family:var(--font-serif);font-size:26px;color:var(--clay-600);line-height:1.1;font-variant-numeric:tabular-nums;}
.scene-item h3{font-size:18px;margin:0 0 8px;}
.scene-item p{font-size:15px;color:var(--ink-2);line-height:1.9;margin:0;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:26px;}
.step{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 20px;transition:all .22s var(--ease);}
.step:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.step-no{
  width:44px;height:44px;border-radius:50%;background:var(--herb-100);color:var(--herb-700);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:17px;font-weight:700;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin:0 0 8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.85;margin:0;}
.step::after{
  content:"";position:absolute;top:46px;right:-20px;width:20px;height:1px;background:var(--line);
}
.step:last-child::after{display:none;}

/* faq */
.faq-list{max-width:820px;margin-top:10px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 4px 20px 16px;font-size:18px;font-weight:700;font-family:var(--font-serif);
  color:var(--ink);border-left:3px solid transparent;transition:all .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--herb-700);background:var(--herb-50);}
.faq-item[open] summary{border-left-color:var(--herb-700);color:var(--herb-700);}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;margin-top:4px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay-600);border-radius:2px;transition:transform .22s var(--ease);
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-body{padding:0 4px 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.95;}

/* related */
.related-list{border-top:1px solid var(--line);}
.related-item{
  display:flex;align-items:center;gap:18px;padding:18px 4px;border-bottom:1px dashed var(--line);
}
.related-item .rel-no{font-family:var(--font-serif);font-size:18px;color:var(--clay-600);font-variant-numeric:tabular-nums;flex:none;}
.related-item h3{font-size:16px;margin:0;flex:1;min-width:0;}
.related-item span{font-size:13px;color:var(--ink-2);flex:none;}
.related-item a{display:flex;align-items:center;gap:18px;width:100%;}
.related-item a:hover h3{color:var(--herb-700);text-decoration:underline;text-underline-offset:4px;}

/* cta band */
.cta-band{
  margin:64px 0 0;background:var(--herb-700);border-radius:16px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:26px;margin-bottom:10px;}
.cta-band p{color:rgba(247,244,237,.86);font-size:15px;margin:0;max-width:560px;line-height:1.85;}
.cta-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px;}
.cta-points span{font-size:13px;color:var(--paper);display:inline-flex;align-items:center;gap:6px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-actions .text-link{color:var(--paper);font-size:15px;font-weight:700;text-underline-offset:4px;}
.cta-actions .text-link:hover{color:#fff;text-decoration:underline;}

/* ===== Footer ===== */
.site-footer{background:var(--herb-900);color:var(--paper);margin-top:88px;padding:60px 0 0;}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{color:var(--paper);display:inline-block;margin-bottom:16px;}
.footer-brand .logo .logo-suffix{color:var(--herb-100);}
.footer-brand p{font-size:14px;color:rgba(247,244,237,.78);line-height:1.9;margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(247,244,237,.72);}
.footer-col h4{font-family:var(--font-sans);font-size:15px;font-weight:700;color:var(--paper);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,237,.76);}
.footer-col a:hover{color:var(--herb-100);text-decoration:underline;text-underline-offset:4px;}
.footer-qr{
  margin-top:18px;width:118px;height:118px;border:1px dashed rgba(247,244,237,.4);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(247,244,237,.66);line-height:1.7;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(247,244,237,.7);
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .legal a{color:rgba(247,244,237,.7);}
.footer-bottom .legal a:hover{color:var(--herb-100);text-decoration:underline;text-underline-offset:4px;}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .shell{padding:0 20px;}
  .nav-links,.search-box,.header-phone{display:none;}
  .menu-toggle{display:flex;}
  .cat-layout{grid-template-columns:1fr;gap:0;padding-top:0;}
  .cat-aside{
    position:sticky;top:68px;z-index:30;background:var(--paper);
    border-bottom:1px solid var(--line);padding:12px 0;margin:0 -20px 24px;
  }
  .toc{display:flex;gap:8px;overflow-x:auto;border-left:0;padding:0 20px;scrollbar-width:none;}
  .toc::-webkit-scrollbar{display:none;}
  .toc-title{display:none;}
  .toc a{
    flex:none;border-left:0;border-bottom:2px solid transparent;padding:8px 14px;border-radius:var(--radius-pill);
    background:var(--white);border:1px solid var(--line);font-size:14px;
  }
  .toc a.is-active{border-bottom-color:var(--clay-600);background:var(--herb-100);}
  .aside-card{display:none;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .page-banner{min-height:200px;}
  .page-banner .shell{padding-top:40px;padding-bottom:32px;}
  .page-banner h1{font-size:28px;}
  .page-banner .banner-lead{font-size:15px;}
  .doc-section{padding:36px 0;}
  .doc-section h2{font-size:22px;}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:14px 16px;}
  .scene-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .scene-no{font-size:20px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:14px;gap:24px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-cols{grid-template-columns:1fr;gap:30px;}
  .related-item span{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --herb-900:#16382F; --herb-700:#24564A; --herb-500:#3E7A66; --herb-100:#E4EDE7; --herb-50:#F1F6F2;
  --clay-600:#B85C2E; --clay-100:#F6E7DC;
  --paper:#F7F4ED; --paper-2:#EFEADF; --white:#FFFFFF;
  --ink:#222824; --ink-2:#5C665F; --line:#E1DCCE;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',SimSun,sans-serif;
  --font-sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC',sans-serif;
  --r-card:14px; --r-img:12px; --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(22,56,47,.06);
  --shadow-md:0 8px 24px -12px rgba(22,56,47,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;color:var(--herb-900);line-height:1.34}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--clay-600);outline-offset:2px;border-radius:6px}

.shell{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:84px 0}
.section--tight{padding:64px 0}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--clay-600);margin-bottom:12px;
}
.section-head h2{font-size:26px;line-height:1.36}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.9}
@media (min-width:1024px){ .section-head h2{font-size:32px} }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,237,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:68px}
.logo{
  font-family:var(--font-serif);font-weight:700;font-size:20px;letter-spacing:.01em;
  color:var(--herb-900);white-space:nowrap;
}
.logo-suffix{color:var(--clay-600)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link:hover{color:var(--herb-700)}
.nav-link.is-active{color:var(--herb-700);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--clay-600);border-radius:2px;
}
.header-side{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--white);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--herb-700);box-shadow:0 0 0 3px var(--herb-100)}
.search-box svg{color:var(--ink-2);flex:none}
.search-box input{
  border:0;background:transparent;font:inherit;font-size:14px;color:var(--ink);
  width:96px;transition:width .24s var(--ease);outline:none;
}
.search-box input::placeholder{color:#9AA39D}
.search-box input:focus{width:150px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:700;line-height:1.2;
  padding:14px 28px;border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--herb-700);color:var(--paper)}
.btn-primary:hover{background:var(--herb-900);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--herb-700);color:var(--herb-700)}
.btn-ghost:hover{background:var(--herb-50);border-color:var(--herb-900);color:var(--herb-900)}
.btn-light{background:var(--paper);color:var(--herb-700)}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;color:var(--herb-700);
  font-weight:700;font-size:14.5px;
}
.link-cta span{transition:transform .2s var(--ease)}
.link-cta:hover{text-decoration:underline;text-underline-offset:4px}
.link-cta:hover span{transform:translateX(2px)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);
}
.menu-toggle span{display:block;width:18px;height:1.8px;background:var(--herb-900);border-radius:2px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,56,47,.42);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:var(--paper);
  z-index:80;transform:translateX(100%);transition:transform .28s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--herb-900);display:flex;align-items:center;justify-content:center;
}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{
  padding:14px 12px;border-radius:10px;font-size:16px;color:var(--ink);border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--herb-50);color:var(--herb-700)}
.drawer-nav a.is-active{background:var(--herb-100);color:var(--herb-700);font-weight:700}
.drawer-cta{width:100%}
.drawer-note{font-size:13px;color:var(--ink-2);line-height:1.8}

/* ---------- 页头带 ---------- */
.cat-hero{background:var(--herb-50);border-bottom:1px solid var(--line);padding:52px 0 48px}
.cat-hero-inner{display:grid;grid-template-columns:1.55fr .95fr;gap:44px;align-items:center;min-height:200px}
.breadcrumb{font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.breadcrumb a:hover{color:var(--herb-700);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#A9B2AB}
.breadcrumb .current{color:var(--ink-2);font-weight:500}
.cat-hero h1{font-size:32px;line-height:1.3;letter-spacing:.01em}
.cat-hero .lead{margin-top:18px;max-width:600px;color:var(--ink-2);font-size:16px;line-height:1.95}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  font-size:12.5px;color:var(--herb-700);background:var(--white);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.cat-hero-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.cat-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (min-width:1024px){ .cat-hero h1{font-size:40px} }

/* ---------- 标签条 ---------- */
.tagbar{border-bottom:1px solid var(--line);background:var(--paper)}
.tagbar-inner{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:thin}
.tagbar-inner span{
  flex:none;font-size:13.5px;color:var(--ink-2);background:var(--white);
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tagbar-inner span:hover{border-color:var(--herb-500);color:var(--herb-700)}

/* ---------- 卡片矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:28px}
.cat-card{
  grid-column:span 5;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.cat-card:hover{border-color:var(--herb-500);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.cat-card--lg{grid-column:span 7;flex-direction:row}
.cat-card--lg .cat-card-media{flex:1 1 46%;min-height:300px;overflow:hidden;background:var(--paper-2)}
.cat-card--lg .cat-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.cat-card--lg:hover .cat-card-media img{transform:scale(1.03)}
.cat-card-body{padding:30px 30px 28px;display:flex;flex-direction:column;gap:14px;flex:1 1 54%}
.cat-card-body h3{font-size:20px;line-height:1.4}
.cat-card-body p{color:var(--ink-2);font-size:14.8px;line-height:1.9}
.cat-card-ico{
  width:44px;height:44px;border-radius:12px;background:var(--herb-50);color:var(--herb-700);
  display:flex;align-items:center;justify-content:center;border:1px solid var(--herb-100);
}
.badge{
  display:inline-block;font-size:12.5px;font-weight:700;line-height:1.2;
  border-radius:999px;padding:5px 12px;background:var(--herb-100);color:var(--herb-700);
}
.badge-clay{background:var(--clay-100);color:var(--clay-600)}
.tick-list{display:grid;gap:9px;margin-top:2px}
.tick-list li{display:flex;gap:10px;font-size:14.2px;color:var(--ink-2);line-height:1.8}
.tick-list li svg{flex:none;margin-top:6px;color:var(--herb-500)}
.cat-card-foot{margin-top:auto;padding-top:6px}

/* ---------- 数据条 ---------- */
.metrics-band{background:var(--herb-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{padding:38px 26px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{
  display:block;font-family:var(--font-serif);font-weight:700;font-size:40px;line-height:1.1;
  color:var(--herb-700);font-variant-numeric:tabular-nums;
}
.metric-num em{font-style:normal;font-size:22px;color:var(--clay-600);margin-left:2px}
.metric-label{display:block;margin-top:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- 保障条目 ---------- */
.assure-list{display:grid;gap:0;border-top:1px solid var(--line)}
.assure-item{
  display:flex;gap:22px;align-items:flex-start;padding:26px 4px;border-bottom:1px dashed var(--line);
}
.assure-item .num{
  font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--clay-600);
  font-variant-numeric:tabular-nums;min-width:38px;line-height:1.4;
}
.assure-item h3{font-size:18px;margin-bottom:6px}
.assure-item p{font-size:14.6px;color:var(--ink-2);line-height:1.9;max-width:760px}

/* ---------- FAQ ---------- */
.faq{max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--herb-900);font-family:var(--font-serif);
  transition:color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--herb-700)}
.faq-item summary::after{
  content:"+";font-family:var(--font-sans);font-size:22px;font-weight:400;color:var(--herb-500);
  line-height:1;transition:transform .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary{color:var(--herb-700);box-shadow:inset 3px 0 0 var(--clay-600);padding-left:16px}
.faq-item[open] summary::after{content:"−";color:var(--clay-600)}
.faq-answer{padding:0 4px 24px 16px;color:var(--ink-2);font-size:15.2px;line-height:1.95;max-width:820px}

/* ---------- CTA ---------- */
.cta-band{background:var(--herb-700);border-radius:18px;padding:52px 48px;color:var(--paper)}
.cta-inner{display:grid;grid-template-columns:1.4fr .86fr;gap:40px;align-items:center}
.cta-band h2{color:var(--paper);font-size:28px;line-height:1.36}
.cta-band p{margin-top:14px;color:rgba(247,244,237,.82);font-size:15.4px;line-height:1.9;max-width:620px}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13.6px;color:rgba(247,244,237,.86)}
.cta-points svg{color:#9FD3BF}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:rgba(247,244,237,.7);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--herb-900);color:var(--paper);padding:66px 0 0;font-size:14px;margin-top:0}
.site-footer .logo{color:var(--paper);font-size:20px;display:inline-block}
.site-footer .logo-suffix{color:#E9B892}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px}
.footer-brand p{color:rgba(247,244,237,.72);line-height:1.9;margin-top:16px;max-width:360px;font-size:14px}
.footer-contact{display:grid;gap:7px;margin-top:18px;color:rgba(247,244,237,.68);font-size:13.2px}
.footer-col h4{color:var(--paper);font-size:15px;font-weight:700;margin-bottom:18px;font-family:var(--font-sans)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(247,244,237,.76);font-size:13.8px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-qr{
  margin-top:20px;border:1px dashed rgba(247,244,237,.3);border-radius:10px;padding:16px 12px;
  font-size:13px;color:rgba(247,244,237,.72);text-align:center;line-height:1.7;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,237,.62);
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(247,244,237,.62)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.search-box{display:none}
  .menu-toggle{display:flex}
  .shell{padding:0 24px}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px}
  .cat-hero-media{order:2;max-width:460px}
  .cat-card,.cat-card--lg{grid-column:span 12}
  .cat-card--lg{flex-direction:column}
  .cat-card--lg .cat-card-media{min-height:240px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric{border-left:1px solid var(--line);padding:30px 20px}
  .metric:nth-child(odd){border-left:0;padding-left:0}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:639px){
  .shell{padding:0 20px}
  .section{padding:52px 0}
  .section--tight{padding:46px 0}
  .cat-hero{padding:38px 0 40px}
  .cat-hero h1{font-size:28px}
  .cat-hero-media{display:none}
  .header-inner{gap:14px}
  .btn{padding:13px 20px;font-size:14.5px}
  .header-side .btn-sm{padding:10px 16px;font-size:13.5px}
  .cat-card-body{padding:24px 22px 22px}
  .metric-num{font-size:32px}
  .assure-item{flex-direction:column;gap:8px}
  .faq-item summary{font-size:16px;padding:18px 2px}
  .cta-band{padding:36px 24px;border-radius:14px}
  .cta-band h2{font-size:23px}
  .footer-cols{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}