/* roulang page: index */
:root{
    --c-primary:#14544A;
    --c-primary-deep:#0E3B34;
    --c-primary-soft:#2E7D74;
    --c-accent:#D9622F;
    --c-accent-hover:#C2541F;
    --c-bg:#F7F5F0;
    --c-surface:#FFFFFF;
    --c-surface-alt:#EFEBE2;
    --c-text:#1A1D1C;
    --c-text-2:#5B6560;
    --c-text-3:#8C948F;
    --c-border:#E4E0D6;
    --c-border-strong:#CFC9BB;
    --r-card:12px;
    --r-btn:8px;
    --sh-1:0 1px 2px rgba(26,29,28,.06);
    --sh-2:0 10px 28px -14px rgba(20,84,74,.28);
    --sp-section:92px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:17px;
    line-height:1.85;
    letter-spacing:.01em;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
    outline:2px solid rgba(20,84,74,.45);
    outline-offset:2px;
    border-radius:6px;
  }
  .container{max-width:1200px;margin:0 auto;padding:0 32px;}
  .section{padding:var(--sp-section) 0;}
  .section-alt{background:var(--c-surface-alt);}
  .section-line{border-top:1px solid var(--c-border);}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- 通用排版 ---------- */
  h1{font-size:40px;line-height:1.3;font-weight:600;letter-spacing:-.01em;}
  h2{font-size:30px;line-height:1.32;font-weight:600;}
  h3{font-size:22px;line-height:1.36;font-weight:600;}
  h4{font-size:18px;line-height:1.45;font-weight:600;}
  .lead{font-size:17px;line-height:1.85;color:var(--c-text-2);}
  .muted{color:var(--c-text-2);}
  .dim{color:var(--c-text-3);font-size:13px;line-height:1.6;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
  .section-head .tagline{font-size:13px;letter-spacing:.16em;color:var(--c-primary-soft);font-weight:600;margin-bottom:10px;display:block;}
  .section-head p{max-width:640px;margin-top:12px;color:var(--c-text-2);font-size:16px;line-height:1.8;}
  .link-more{color:var(--c-primary);font-size:15px;font-weight:600;border-bottom:1px solid rgba(20,84,74,.35);padding-bottom:2px;transition:color .18s ease,border-color .18s ease;}
  .link-more:hover{color:var(--c-accent);border-color:rgba(217,98,47,.5);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    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(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(26,29,28,.08);}
  .btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96);}
  .btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
  .btn-outline:hover{background:rgba(20,84,74,.06);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}
  .btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

  /* ---------- 徽章 ---------- */
  .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:13px;line-height:1.5;background:rgba(20,84,74,.08);color:var(--c-primary);font-weight:500;}
  .badge-solid{background:var(--c-primary);color:#fff;}
  .badge-accent{background:rgba(217,98,47,.1);color:var(--c-accent);}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,245,240,.86);
    backdrop-filter:saturate(150%) blur(8px);
    border-bottom:1px solid transparent;
    transition:height .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s ease;}
  .site-header.is-scrolled{background:rgba(255,255,255,.88);border-bottom-color:var(--c-border);box-shadow:0 1px 2px rgba(26,29,28,.04);}
  .site-header.is-scrolled .header-inner{height:64px;}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{width:34px;height:34px;border-radius:9px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
  .logo-mark svg{width:22px;height:22px;display:block;}
  .logo-text{font-size:18px;font-weight:600;color:var(--c-primary);letter-spacing:.01em;}
  .nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
    font-size:15px;color:var(--c-text-2);border-radius:8px;
    transition:color .16s ease,background-color .16s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:1px;height:2px;width:0;
    background:var(--c-primary);transform:translateX(-50%);transition:width .16s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--c-primary);background:rgba(20,84,74,.05);}
  .nav-link:hover::after{width:60%;}
  .nav-link.is-active{color:var(--c-primary);font-weight:600;}
  .nav-link.is-active::after{width:60%;}
  .nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
  .command-search{
    display:flex;align-items:center;gap:8px;height:40px;width:260px;padding:0 10px;
    background:var(--c-surface);border:1px solid var(--c-border);border-radius:8px;
    transition:border-color .16s ease,box-shadow .16s ease;
  }
  .command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12);}
  .command-search svg{width:16px;height:16px;color:var(--c-text-3);flex:0 0 auto;}
  .command-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);}
  .command-search input::placeholder{color:var(--c-text-3);}
  .command-search kbd{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--c-text-2);
    background:var(--c-surface-alt);border-radius:2px;padding:2px 5px;flex:0 0 auto;
  }
  .hamburger{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    background:transparent;border:1px solid var(--c-border);border-radius:8px;cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative;}
  .hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);}
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}

  .drawer-mask{position:fixed;inset:0;background:rgba(14,43,36,.45);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;}
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:280px;background:var(--c-surface);z-index:80;
    transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;
    padding:20px 20px 24px;box-shadow:-10px 0 30px -18px rgba(20,84,74,.4);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{width:44px;height:44px;border:1px solid var(--c-border);background:transparent;border-radius:8px;cursor:pointer;font-size:20px;line-height:1;color:var(--c-text-2);}
  .drawer-nav{display:flex;flex-direction:column;gap:2px;}
  .drawer-nav a{display:flex;align-items:center;height:52px;padding:0 10px;font-size:16px;color:var(--c-text);border-bottom:1px solid var(--c-border);}
  .drawer-nav a.is-active{color:var(--c-primary);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:20px;}

  /* ---------- Hero ---------- */
  .hero{padding:72px 0 84px;background:
     radial-gradient(1000px 480px at 88% -10%, rgba(46,125,116,.14), transparent 62%),
     linear-gradient(180deg,#FBF9F5 0%,var(--c-bg) 100%);
     border-bottom:1px solid var(--c-border);}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
  .hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(20,84,74,.08);color:var(--c-primary);font-size:13px;font-weight:600;margin-bottom:22px;}
  .hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
  .hero h1{font-size:40px;line-height:1.28;max-width:15em;}
  .hero h1 em{font-style:normal;color:var(--c-primary);border-bottom:3px solid rgba(217,98,47,.5);}
  .hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:30em;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-marks{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:30px;}
  .hero-marks li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
  .hero-marks .mark-ico{width:20px;height:20px;border-radius:50%;border:1px solid var(--c-primary);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:11px;flex:0 0 auto;}
  .hero-visual{position:relative;}
  .hero-visual .hero-img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
    background:var(--c-surface-alt);box-shadow:var(--sh-2);
  }
  .float-card{
    position:absolute;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
    padding:14px 16px;box-shadow:var(--sh-2);min-width:168px;
  }
  .float-card .fc-label{font-size:12px;color:var(--c-text-3);line-height:1.5;}
  .float-card .fc-value{font-size:22px;font-weight:600;color:var(--c-primary);line-height:1.3;margin-top:2px;font-variant-numeric:tabular-nums;}
  .float-card--a{left:-22px;bottom:-24px;}
  .float-card--b{right:-18px;top:-26px;}
  .float-card--b .fc-value{color:var(--c-accent);}

  /* ---------- 实时状态条 ---------- */
  .status-bar{border-bottom:1px solid var(--c-border);background:var(--c-surface);}
  .status-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:16px 0;}
  .status-pill{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
  .status-dot{width:8px;height:8px;border-radius:50%;background:#2E7D74;box-shadow:0 0 0 4px rgba(46,125,116,.16);}
  .status-sep{width:1px;height:16px;background:var(--c-border);}
  .status-ticker{font-size:14px;color:var(--c-text-2);}
  .status-ticker b{color:var(--c-primary);font-weight:600;font-variant-numeric:tabular-nums;}

  /* ---------- 痛点区 ---------- */
  .pain-list{border-top:1px solid var(--c-border);}
  .pain-item{display:flex;align-items:flex-start;gap:18px;padding:22px 0;border-bottom:1px solid var(--c-border);}
  .pain-index{
    flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:1px solid var(--c-primary);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;margin-top:3px;
  }
  .pain-item p{font-size:18px;line-height:1.7;}
  .pain-foot{display:flex;align-items:center;gap:14px;margin-top:32px;color:var(--c-text-2);font-size:16px;}
  .pain-foot .arrow{width:36px;height:36px;border-radius:50%;background:rgba(20,84,74,.08);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:16px;}

  /* ---------- 方案卡 ---------- */
  .solutions{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:start;}
  .card{
    background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
    box-shadow:var(--sh-1);transition:box-shadow .18s ease-out,transform .18s ease-out;
    overflow:hidden;display:flex;flex-direction:column;
  }
  .card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
  .card-body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
  .card-num{font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.14em;font-variant-numeric:tabular-nums;}
  .card-body h3{margin-top:12px;}
  .card-body .desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-text-2);}
  .card-foot{margin-top:auto;padding-top:16px;font-size:14px;color:var(--c-text-3);display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .card-link{color:var(--c-primary);font-weight:600;font-size:14px;}
  .card-link:hover{color:var(--c-accent);}
  .solution-major{grid-row:span 2;display:grid;grid-template-columns:1fr;grid-template-rows:auto 1fr;}
  .solution-major .card-media{aspect-ratio:16/9;}
  .solution-major .card-body{padding:28px 30px 26px;}
  .solution-major .card-body h3{font-size:24px;}
  .solution-major .card-body .desc{font-size:16px;max-width:38em;}
  .solution-side{display:grid;grid-template-rows:1fr 1fr;gap:28px;}
  .solution-side .card-media{aspect-ratio:16/9;}
  .card-media{width:100%;object-fit:cover;background:var(--c-surface-alt);display:block;}

  /* ---------- 数据带 ---------- */
  .stats{background:var(--c-primary-deep);color:#fff;padding:64px 0;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;}
  .stat .stat-num{font-size:40px;font-weight:600;line-height:1.2;color:var(--c-accent);font-variant-numeric:tabular-nums;}
  .stat .stat-num.is-light{color:#fff;}
  .stat .stat-desc{margin-top:12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);}
  .stats-note{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.6);}

  /* ---------- 分类入口 ---------- */
  .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
  .cat-card{display:flex;flex-direction:column;}
  .cat-card .card-media{aspect-ratio:4/3;border-radius:0;transition:transform .3s ease;}
  .cat-card:hover .card-media{transform:scale(1.02);}
  .cat-media-wrap{overflow:hidden;background:var(--c-surface-alt);}
  .cat-card .card-body h3{font-size:20px;}
  .cat-card .card-body .desc{min-height:3.6em;}

  /* ---------- 最新信息 ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
  .news-card{
    display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
    transition:box-shadow .18s ease-out,transform .18s ease-out;
  }
  .news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
  .news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-card .news-sum{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--c-border);display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .news-card--lead{
    grid-column:1 / -1;display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;
    border-left:3px solid var(--c-primary);padding:28px 30px;
  }
  .news-card--lead h3{font-size:22px;-webkit-line-clamp:2;}
  .news-card--lead .news-sum{-webkit-line-clamp:2;font-size:15px;}
  .news-card--lead .news-meta{border-top:0;padding-top:0;margin-top:16px;}
  .empty-state{
    grid-column:1 / -1;text-align:center;padding:56px 24px;border:1px dashed var(--c-border-strong);
    border-radius:var(--r-card);background:var(--c-surface);
  }
  .empty-state .es-ico{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:rgba(20,84,74,.08);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:22px;}
  .empty-state p{font-size:16px;color:var(--c-text);}
  .empty-state span{display:block;margin-top:8px;font-size:13px;color:var(--c-text-3);}

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--c-border);}
  .faq details{border-bottom:1px solid var(--c-border);}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
    padding:22px 0;font-size:18px;font-weight:600;line-height:1.6;color:var(--c-text);
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq .plus{
    flex:0 0 auto;width:26px;height:26px;position:relative;margin-top:2px;transition:transform .2s ease;
  }
  .faq .plus::before,.faq .plus::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
  .faq .plus::before{left:5px;top:12px;width:16px;height:2px;}
  .faq .plus::after{left:12px;top:5px;width:2px;height:16px;}
  .faq details[open] .plus{transform:rotate(45deg);}
  .faq .faq-a{padding:0 0 26px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:60em;}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--sh-1);}
  .cta-band h2{font-size:24px;}
  .cta-band p{margin-top:8px;font-size:15px;color:var(--c-text-2);}

  /* ---------- 隐私区 ---------- */
  .privacy{background:var(--c-surface-alt);border-top:1px solid var(--c-border);padding:56px 0;}
  .privacy h2{font-size:15px;font-weight:600;}
  .privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:18px;}
  .privacy-grid p{font-size:13px;line-height:1.8;color:var(--c-text-2);}
  .privacy a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 弹层 ---------- */
  .modal-mask{position:fixed;inset:0;background:rgba(14,43,36,.5);display:none;align-items:center;justify-content:center;padding:24px;z-index:100;}
  .modal-mask.is-open{display:flex;}
  .modal{width:480px;max-width:100%;background:var(--c-surface);border-radius:var(--r-card);padding:28px;position:relative;box-shadow:0 24px 60px -28px rgba(14,43,36,.6);max-height:calc(100vh - 48px);overflow:auto;}
  .modal h2{font-size:20px;line-height:1.45;padding-right:40px;}
  .modal .modal-sub{margin-top:8px;font-size:14px;color:var(--c-text-2);}
  .modal-close{position:absolute;top:14px;right:14px;width:44px;height:44px;border:0;background:transparent;border-radius:8px;cursor:pointer;font-size:22px;line-height:1;color:var(--c-text-3);}
  .modal-close:hover{background:rgba(20,84,74,.06);color:var(--c-primary);}
  .form-grid{display:grid;gap:16px;margin-top:22px;}
  .field label{display:block;font-size:14px;color:var(--c-text-2);margin-bottom:8px;}
  .field .req{color:var(--c-accent);margin-left:2px;}
  .field input,.field select{
    width:100%;height:44px;padding:0 14px;background:var(--c-surface);
    border:1px solid var(--c-border-strong);border-radius:var(--r-btn);outline:none;
    transition:border-color .16s ease,box-shadow .16s ease;
  }
  .field input::placeholder{color:var(--c-text-3);}
  .field input:focus,.field select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12);}
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-text-2);line-height:1.7;}
  .check-row input{margin-top:3px;width:16px;height:16px;accent-color:var(--c-primary);}
  .check-row a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
  .form-tip{font-size:12px;color:var(--c-text-3);text-align:center;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-primary-deep);color:#fff;padding:64px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .logo-mark{background:rgba(255,255,255,.12);}
  .footer-brand span{font-size:18px;font-weight:600;color:#fff;}
  .footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
  .footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
  .footer-col ul li{margin-bottom:10px;}
  .footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s ease;}
  .footer-col ul a:hover{color:#fff;}
  .footer-bottom{
    margin-top:48px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:3px;}
  .footer-bottom a:hover{color:#fff;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1280px){
    .command-search{width:200px;}
  }
  @media (max-width:1024px){
    :root{--sp-section:72px;}
    .container{padding:0 24px;}
    .nav-links,.command-search{display:none;}
    .hamburger{display:inline-flex;}
    .hero{padding:56px 0 64px;}
    .hero-grid{grid-template-columns:1fr;gap:48px;}
    .hero-visual{max-width:640px;}
    .float-card--a{left:0;bottom:-20px;}
    .float-card--b{right:0;top:-20px;}
    .solutions{grid-template-columns:1fr;}
    .solution-major{grid-row:auto;}
    .solution-side{grid-template-columns:repeat(2,1fr);grid-template-rows:auto;}
    .cat-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  }
  @media (max-width:768px){
    body{font-size:16px;line-height:1.8;}
    h1{font-size:32px;line-height:1.34;}
    .hero h1{font-size:32px;}
    h2{font-size:26px;}
    .section-head{margin-bottom:28px;}
    .privacy-grid{grid-template-columns:1fr;}
  }
  @media (max-width:640px){
    :root{--sp-section:56px;}
    .container{padding:0 20px;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .solutions,.solution-side,.cat-grid,.news-grid,.stats-grid,.footer-grid{grid-template-columns:1fr;}
    .news-card--lead{grid-template-columns:1fr;}
    .cta-band{padding:26px 22px;}
    .cta-band .btn{width:100%;}
    .float-card{position:static;margin-top:16px;min-width:0;}
    .float-card--a,.float-card--b{margin-top:14px;}
    .modal{padding:22px;}
  }

/* roulang page: article */
:root{
    --c-primary:#14544A;
    --c-primary-deep:#0E3B34;
    --c-primary-soft:#2E7D74;
    --c-accent:#D9622F;
    --c-accent-hover:#C2541F;
    --c-bg:#F7F5F0;
    --c-surface:#FFFFFF;
    --c-surface-alt:#EFEBE2;
    --c-text:#1A1D1C;
    --c-text-2:#5B6560;
    --c-text-3:#8C948F;
    --c-border:#E4E0D6;
    --c-border-strong:#CFC9BB;
    --radius-card:12px;
    --radius-btn:8px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(26,29,28,.06);
    --shadow-2:0 10px 28px -14px rgba(20,84,74,.28);
    --font-sans:system-ui,"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%}
  .site-body{
    margin:0;
    font-family:var(--font-sans);
    font-size:17px;
    line-height:1.85;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  .site-body img{max-width:100%;display:block}
  .site-body a{color:inherit;text-decoration:none;transition:color .16s ease,background-color .16s ease}
  .site-body button,.site-body input,.site-body select,.site-body textarea{font-family:inherit;font-size:inherit}
  .site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol{margin:0}
  .container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.86);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:background-color .2s ease,border-color .2s ease;
  }
  .site-header.is-scrolled{background:rgba(247,245,240,.94);border-bottom-color:var(--c-border)}
  .header-inner{display:flex;align-items:center;gap:26px;height:72px;transition:height .2s ease}
  .site-header.is-scrolled .header-inner{height:64px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--c-primary);
    display:grid;place-items:center;flex-shrink:0;
  }
  .logo-mark svg{width:20px;height:20px}
  .brand-text{font-size:18px;font-weight:600;color:var(--c-primary);white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:24px;margin-left:8px}
  .nav-link{position:relative;font-size:15px;color:var(--c-text-2);padding:6px 2px;white-space:nowrap}
  .nav-link::after{
    content:"";position:absolute;left:20%;right:20%;bottom:-4px;height:2px;
    background:var(--c-primary);transform:scaleX(0);transform-origin:center;
    transition:transform .16s ease-out;
  }
  .nav-link:hover{color:var(--c-primary)}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--c-primary);font-weight:600}
  .header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0}
  .command-search{
    display:flex;align-items:center;gap:8px;height:40px;width:260px;
    padding:0 10px;background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius-btn);transition:border-color .16s ease,box-shadow .16s ease;
  }
  .command-search i{font-size:14px;color:var(--c-text-3)}
  .command-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--c-text)}
  .command-search input::placeholder{color:var(--c-text-3)}
  .command-search kbd{
    font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    background:var(--c-surface-alt);border-radius:2px;padding:2px 5px;color:var(--c-text-3);
  }
  .command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12)}
  .menu-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--c-border);
    background:var(--c-surface);border-radius:var(--radius-btn);color:var(--c-primary);
    cursor:pointer;align-items:center;justify-content:center;font-size:17px;
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,filter .18s ease;
  }
  .btn-primary{background:var(--c-accent);color:#fff}
  .btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,84,74,.4)}
  .btn-secondary{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
  .btn-secondary:hover{background:rgba(20,84,74,.06);transform:translateY(-1px)}
  .btn-secondary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,84,74,.18)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
  .btn-text{color:var(--c-primary);font-weight:600;font-size:14px;text-decoration:underline;text-underline-offset:3px}
  .btn-text:hover{color:var(--c-primary-deep)}

  /* ---------- drawer ---------- */
  .drawer-overlay{
    position:fixed;inset:0;background:rgba(14,43,36,.45);z-index:70;
    opacity:0;pointer-events:none;transition:opacity .2s ease;
  }
  .drawer-overlay.is-open{opacity:1;pointer-events:auto}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:280px;z-index:80;
    background:var(--c-surface);display:flex;flex-direction:column;
    padding:20px;transform:translateX(100%);transition:transform .24s ease;
    box-shadow:-12px 0 32px -20px rgba(14,43,36,.5);
  }
  .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(--c-border)}
  .drawer-close{
    width:44px;height:44px;border:1px solid var(--c-border);background:var(--c-surface);
    border-radius:var(--radius-btn);color:var(--c-text-2);cursor:pointer;font-size:16px;
  }
  .drawer-nav{display:flex;flex-direction:column;margin-top:8px}
  .drawer-nav a{
    height:52px;display:flex;align-items:center;font-size:15px;color:var(--c-text-2);
    border-bottom:1px solid var(--c-border);
  }
  .drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-primary);font-weight:600}
  .drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
  .drawer-search{width:100%}

  /* ---------- article layout ---------- */
  .page-band{padding:36px 0 8px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:16px}
  .breadcrumb a{color:var(--c-text-3)}
  .breadcrumb a:hover{color:var(--c-primary)}
  .breadcrumb .sep{color:var(--c-border-strong)}
  .breadcrumb .current{color:var(--c-text-2)}
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
    border-radius:var(--radius-pill);font-size:13px;
    background:rgba(20,84,74,.08);color:var(--c-primary);
  }
  .badge-solid{background:var(--c-primary);color:#fff}
  .article-head{max-width:720px}
  .article-head h1{
    font-size:40px;line-height:1.28;font-weight:600;letter-spacing:-.01em;
    margin:14px 0 16px;color:var(--c-text);
  }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
  .article-meta .dot{color:var(--c-border-strong)}
  .article-cover{margin:28px 0 0;border-radius:var(--radius-card);overflow:hidden;background:var(--c-surface-alt)}
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .article-cover figcaption{font-size:13px;color:var(--c-text-3);padding:10px 4px 0;background:transparent;text-align:center}

  .article-wrap{padding:8px 0 88px}
  .article-body{
    max-width:720px;font-size:17px;line-height:1.85;color:var(--c-text);
  }
  .article-body p{margin-bottom:1.15em}
  .article-body h2{
    position:relative;font-size:30px;line-height:1.32;font-weight:600;
    margin:44px 0 16px;padding-left:14px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.26em;width:3px;height:.9em;
    background:var(--c-primary);border-radius:2px;
  }
  .article-body h3{font-size:22px;line-height:1.4;font-weight:600;margin:32px 0 12px}
  .article-body h4{font-size:18px;line-height:1.44;font-weight:600;margin:24px 0 10px}
  .article-body ul,.article-body ol{padding-left:1.4em;margin-bottom:1.2em}
  .article-body li{margin-bottom:.6em}
  .article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
  .article-body a:hover{color:var(--c-primary-deep)}
  .article-body blockquote{
    margin:24px 0;padding:20px 24px;background:var(--c-surface-alt);
    border-left:3px solid var(--c-primary);border-radius:0 8px 8px 0;color:var(--c-text-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:var(--c-surface);border-radius:8px;overflow:hidden}
  .article-body th{background:var(--c-surface-alt);text-align:left;padding:12px;font-weight:600}
  .article-body td{padding:12px;border-bottom:1px solid var(--c-border)}
  .article-body code{background:var(--c-surface-alt);padding:2px 6px;border-radius:4px;font-size:.9em}
  .article-body pre{
    background:var(--c-primary-deep);color:#EAF2EF;padding:20px;border-radius:8px;
    overflow-x:auto;margin:24px 0;line-height:1.7;font-size:14px;
  }
  .article-body pre code{background:transparent;color:inherit;padding:0}
  .article-body img{max-width:100%;height:auto;border-radius:var(--radius-card);margin:8px 0;background:var(--c-surface-alt)}
  .article-body figure{margin:24px 0}
  .article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
  .article-body hr{border:0;border-top:1px solid var(--c-border);margin:40px 0}

  .article-foot{max-width:720px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-border)}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
  .empty-state{
    max-width:720px;background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius-card);padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
  }
  .empty-state i{font-size:28px;color:var(--c-primary-soft)}
  .empty-state h2{font-size:22px;font-weight:600;margin:16px 0 8px}
  .empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px}

  /* ---------- related ---------- */
  .related{padding:0 0 88px}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
  .section-head h2{font-size:30px;line-height:1.34;font-weight:600}
  .section-head p{font-size:14px;color:var(--c-text-2);margin-top:8px}
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
  .card{
    display:flex;flex-direction:column;background:var(--c-surface);
    border:1px solid var(--c-border);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-border-strong)}
  .card-media{background:var(--c-surface-alt);aspect-ratio:4/3;overflow:hidden}
  .card-media img{width:100%;height:100%;object-fit:cover}
  .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:18px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .card-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .card-meta time{font-size:13px;color:var(--c-text-3)}

  /* ---------- cta ---------- */
  .cta-band{padding:0 0 88px}
  .cta-inner{
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    background:var(--c-primary-deep);border-radius:var(--radius-card);
    padding:32px 36px;
  }
  .cta-inner h2{font-size:22px;line-height:1.4;color:#fff;font-weight:600}
  .cta-inner p{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
  .cta-actions{display:flex;gap:12px;flex-shrink:0}
  .cta-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
  .cta-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

  /* ---------- footer ---------- */
  .site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72)}
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
    padding:64px 0 40px;
  }
  .footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
  .footer-col p{font-size:14px;line-height:1.8;margin-bottom:8px;color:rgba(255,255,255,.72)}
  .footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-col ul a{font-size:14px;color:rgba(255,255,255,.72)}
  .footer-col ul a:hover{color:#fff}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand span:last-child{font-size:16px;font-weight:600;color:#fff}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;font-size:13px;
  }
  .footer-bottom a{color:rgba(255,255,255,.72)}
  .footer-bottom a:hover{color:#fff}

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .command-search{width:200px}
  }
  @media (max-width:1023px){
    .container{padding:0 24px}
    .nav-links,.header-tools .command-search,.header-tools .header-quick{display:none}
    .menu-toggle{display:inline-flex}
    .header-tools{margin-left:auto;gap:10px}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:56px 0 32px}
    .article-head h1{font-size:34px}
    .article-body h2{font-size:26px}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:28px}
  }
  @media (max-width:767px){
    .site-body{font-size:16px;line-height:1.8}
    .container{padding:0 20px}
    .page-band{padding:24px 0 4px}
    .article-head h1{font-size:30px;line-height:1.36}
    .article-body{font-size:16px;line-height:1.8}
    .article-body h2{font-size:23px;margin:36px 0 14px}
    .article-body h3{font-size:19px;margin:28px 0 10px}
    .section-head h2{font-size:24px}
    .card-grid{grid-template-columns:1fr}
    .related,.cta-band{padding-bottom:56px}
    .article-wrap{padding-bottom:56px}
  }
  @media (max-width:519px){
    .brand-text{font-size:16px}
    .btn{width:100%}
    .cta-actions{flex-direction:column;width:100%}
    .header-tools .btn-sm{width:auto;padding:0 14px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .article-cover img{aspect-ratio:4/3}
  }

/* roulang page: category1 */
:root{
  --c-primary:#14544A;
  --c-primary-deep:#0E3B34;
  --c-primary-soft:#2E7D74;
  --c-accent:#D9622F;
  --c-accent-hover:#C2541F;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE2;
  --c-text:#1A1D1C;
  --c-text-2:#5B6560;
  --c-text-3:#8C948F;
  --c-border:#E4E0D6;
  --c-border-strong:#CFC9BB;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(26,29,28,.06);
  --sh-2:0 10px 28px -14px rgba(20,84,74,.28);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:600}
svg{display:block}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--c-surface-alt)}
.section-tight{padding:64px 0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.88);border-bottom-color:var(--c-border)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-name{font-size:18px;font-weight:600;color:var(--c-primary);letter-spacing:.2px;white-space:nowrap}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--c-primary);display:grid;place-items:center;flex:none}
.logo-mark svg{width:19px;height:19px}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;margin-right:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;
  font-size:15px;color:var(--c-text-2);border-radius:6px;
  transition:color .16s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;
  background:var(--c-primary);transform:translateX(-50%);
  transition:width .16s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{width:60%}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link:focus-visible{outline:2px solid rgba(20,84,74,.4);outline-offset:2px}

.header-actions{display:flex;align-items:center;gap:14px;flex:none}

.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:250px;
  padding:0 10px 0 12px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-btn);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.command-search i{font-size:14px;color:var(--c-text-3)}
.command-search input{
  width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.command-search input::placeholder{color:var(--c-text-3)}
.command-search kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  background:var(--c-surface-alt);color:var(--c-text-3);border-radius:2px;padding:2px 5px;flex:none;
}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12)}

.link-quiet{font-size:15px;color:var(--c-text-2);transition:color .16s ease}
.link-quiet:hover{color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;box-shadow:var(--sh-1);
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(20,84,74,.4)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);box-shadow:none}
.btn-ghost:hover{background:rgba(20,84,74,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(20,84,74,.4)}

.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:border-color .16s ease;
}
.btn-text:hover{border-bottom-color:var(--c-primary)}

/* ---------- 通用板块标题 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(20,84,74,.08);color:var(--c-primary);
  font-size:13px;font-weight:600;line-height:1.6;
}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-title{font-size:30px;line-height:1.35;margin-top:16px;color:var(--c-text)}
.sec-sub{font-size:16px;color:var(--c-text-2);margin-top:14px;line-height:1.8}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;display:flex;align-items:center;color:#fff;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  background-color:var(--c-primary-deep);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,59,52,.88) 0%,rgba(14,59,52,.66) 62%,rgba(14,59,52,.55) 100%);
}
.cat-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:56px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);padding:5px 14px;
}
.cat-hero h1{
  font-size:40px;line-height:1.28;margin-top:22px;max-width:760px;color:#fff;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.8);max-width:660px;margin-top:18px}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:32px;flex-wrap:wrap}
.cat-hero .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- 两栏对照 ---------- */
.contrast-grid{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;align-items:start}
.contrast-divider{background:var(--c-border);align-self:stretch;min-height:100%}
.contrast-col{padding:0 44px}
.contrast-col:first-child{padding-left:0}
.contrast-col:last-child{padding-right:0}
.contrast-head{
  display:flex;align-items:center;gap:10px;font-size:18px;color:var(--c-text-2);margin-bottom:8px;
}
.contrast-head i{font-size:18px;color:var(--c-text-3)}
.contrast-head.is-good{color:var(--c-primary)}
.contrast-head.is-good i{color:var(--c-primary)}
.pain-list li,.fix-list li{
  display:flex;gap:14px;padding:22px 0;border-bottom:1px solid var(--c-border);
  font-size:16px;line-height:1.8;
}
.pain-list li:last-child,.fix-list li:last-child{border-bottom:0}
.pain-list li .dot{
  width:26px;height:26px;flex:none;margin-top:3px;border-radius:50%;
  border:1px solid var(--c-border-strong);color:var(--c-text-3);
  display:grid;place-items:center;font-size:12px;font-weight:600;
}
.fix-list li .tick{
  width:26px;height:26px;flex:none;margin-top:3px;border-radius:50%;
  background:rgba(20,84,74,.1);color:var(--c-primary);
  display:grid;place-items:center;font-size:12px;
}
.pain-list li span,.fix-list li span{color:var(--c-text)}
.pain-list li span{color:var(--c-text-2)}

/* ---------- 流程条 ---------- */
.flow-row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
.flow-row::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--c-border-strong);
}
.flow-step{position:relative;padding-top:0}
.flow-num{
  position:relative;z-index:1;display:grid;place-items:center;
  width:40px;height:40px;border-radius:50%;background:var(--c-primary);color:#fff;
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 8px var(--c-surface-alt);
}
.flow-step h3{font-size:18px;margin-top:22px}
.flow-step p{font-size:15px;color:var(--c-text-2);margin-top:10px;line-height:1.8}

/* ---------- 图文能力块 ---------- */
.media-card{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.media-figure{background:var(--c-surface-alt);min-height:340px}
.media-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.media-body{padding:44px 44px 40px}
.media-body h2{font-size:26px;line-height:1.35}
.media-body p{font-size:16px;color:var(--c-text-2);margin-top:16px}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--c-text)}
.check-list li i{color:var(--c-primary);font-size:14px;margin-top:6px}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--c-primary-deep);color:#fff;padding:64px 0}
.stat-band h2{font-size:24px;color:#fff;margin-bottom:36px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-num{
  font-size:40px;font-weight:600;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:6px;
}
.stat-num em{font-style:normal;font-size:16px;font-weight:500;color:rgba(255,255,255,.66)}
.stat-num.is-accent{color:var(--c-accent)}
.stat-label{font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);margin-top:10px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-border);max-width:920px}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:16px;
  padding:24px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid rgba(20,84,74,.4);outline-offset:4px;border-radius:4px}
.faq-icon{
  position:relative;width:22px;height:22px;flex:none;margin-top:4px;color:var(--c-primary);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 0 26px 38px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:800px}

/* ---------- 相关阅读 ---------- */
.read-list{max-width:860px;border-top:1px solid var(--c-border)}
.read-list li{border-bottom:1px solid var(--c-border)}
.read-list a{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 4px;font-size:16px;color:var(--c-text);
  transition:color .16s ease,padding-left .16s ease;
}
.read-list a i{font-size:13px;color:var(--c-text-3);transition:transform .16s ease,color .16s ease}
.read-list a:hover{color:var(--c-primary);padding-left:10px}
.read-list a:hover i{transform:translateX(4px);color:var(--c-primary)}

/* ---------- 隐私说明 ---------- */
.privacy-box{max-width:960px}
.privacy-title{font-size:15px;font-weight:600;color:var(--c-text)}
.privacy-list{margin-top:16px;display:grid;gap:10px}
.privacy-list li{
  position:relative;padding-left:18px;font-size:13px;line-height:1.75;color:var(--c-text-2);
}
.privacy-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:1px;background:var(--c-primary-soft);
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:44px 48px;border-radius:var(--r-card);color:#fff;
  background-color:var(--c-primary-deep);
  background-image:linear-gradient(90deg,rgba(14,59,52,.9),rgba(14,59,52,.94)),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.cta-bar h2{font-size:24px;line-height:1.4;color:#fff}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.75);margin-top:12px;max-width:600px}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.modal.is-open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(14,43,36,.5)}
.modal-panel{
  position:relative;width:100%;max-width:480px;max-height:90vh;overflow:auto;
  background:var(--c-surface);border-radius:var(--r-card);padding:36px 36px 32px;
  box-shadow:0 24px 60px -24px rgba(14,59,52,.5);
}
.modal-close{
  position:absolute;top:10px;right:10px;width:44px;height:44px;
  display:grid;place-items:center;background:transparent;border:0;cursor:pointer;
  color:var(--c-text-3);border-radius:8px;transition:background .16s ease,color .16s ease;
}
.modal-close:hover{background:var(--c-surface-alt);color:var(--c-text)}
.modal-close:focus-visible{outline:2px solid rgba(20,84,74,.4);outline-offset:2px}
.modal-panel h3{font-size:22px;line-height:1.4}
.modal-panel .modal-sub{font-size:14px;color:var(--c-text-2);margin-top:10px;line-height:1.75}
.lead-form{margin-top:24px;display:grid;gap:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-text-2);margin-bottom:6px}
.field .req{color:var(--c-accent);margin-left:2px}
.field input,.field select{
  width:100%;height:44px;padding:0 12px;background:var(--c-surface);
  border:1px solid var(--c-border-strong);border-radius:var(--r-btn);
  font-size:15px;outline:none;transition:border-color .16s ease,box-shadow .16s ease;
}
.field input::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12)}
.field.is-error input{border-color:var(--c-accent)}
.field .err-msg{display:none;font-size:12px;color:var(--c-accent);margin-top:6px}
.field.is-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-text-2);line-height:1.7}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);flex:none}
.check-row a{color:var(--c-primary);border-bottom:1px solid rgba(20,84,74,.4)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#fff;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:#fff}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-top:16px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s ease}
.footer-col ul a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- 移动端抽屉 ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;background:transparent;border:0;cursor:pointer;
  border-radius:8px;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-text);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,43,36,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:100;
  background:var(--c-surface);padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .24s ease;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(14,59,52,.5);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;background:transparent;border:0;
  cursor:pointer;color:var(--c-text-2);border-radius:8px;
}
.drawer-close:hover{background:var(--c-surface-alt)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;min-height:52px;font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);
}
.drawer-links a.is-active{color:var(--c-primary);font-weight:600}
.drawer-search{width:100%}

@media (max-width:1023px){
  .nav-links{display:none}
  .command-search{width:200px}
  .link-quiet{display:none}
  .nav-toggle{display:flex}
  .contrast-grid{grid-template-columns:1fr;gap:0}
  .contrast-divider{display:none}
  .contrast-col{padding:0}
  .contrast-col + .contrast-col{margin-top:24px;padding-top:24px;border-top:1px solid var(--c-border)}
  .flow-row{grid-template-columns:repeat(2,1fr)}
  .flow-row::before{display:none}
  .flow-num{box-shadow:none}
  .media-card{grid-template-columns:1fr}
  .media-figure{min-height:240px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:36px 32px}
}

@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-tight{padding:52px 0}
  .cat-hero .container{padding-top:44px;padding-bottom:44px}
  .cat-hero h1{font-size:31px;line-height:1.32}
  .hero-lead{font-size:16px}
  .command-search{display:none}
  .sec-title{font-size:24px}
  .media-body{padding:32px 24px}
  .stat-band{padding:52px 0}
  .stat-num{font-size:34px}
  .faq-item summary{font-size:16px}
  .faq-body{padding-left:38px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .cta-bar{padding:32px 24px;border-radius:12px}
  .cta-bar .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .modal{padding:16px}
  .modal-panel{padding:28px 22px 26px}
}

@media (max-width:520px){
  .flow-row{grid-template-columns:1fr;gap:32px}
  .read-list a{font-size:15px;padding:18px 2px}
}

/* roulang page: category2 */
:root{
  --c-primary:#14544A;
  --c-primary-deep:#0E3B34;
  --c-primary-soft:#2E7D74;
  --c-accent:#D9622F;
  --c-accent-hover:#C2541F;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE2;
  --c-text:#1A1D1C;
  --c-text-2:#5B6560;
  --c-text-3:#8C948F;
  --c-border:#E4E0D6;
  --c-border-strong:#CFC9BB;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(26,29,28,.06);
  --shadow-2:0 10px 28px -14px rgba(20,84,74,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:.2px}
h1{font-size:40px;line-height:1.28}
h2{font-size:30px;line-height:1.32}
h3{font-size:22px;line-height:1.36}
h4{font-size:18px;line-height:1.44}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--c-surface-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-text-2);font-size:16px;margin:0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--c-primary-soft);margin-bottom:12px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--c-border);background:rgba(255,255,255,.82)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .2s ease-out}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:19px;height:19px}
.brand-text{font-size:18px;font-weight:600;color:var(--c-primary);letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{
  position:relative;font-size:15px;color:var(--c-text-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:center;
  transition:transform .16s ease-out;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:260px;padding:0 10px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-btn);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12)}
.command-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0}
.command-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;
}
.command-search input::placeholder{color:var(--c-text-3)}
.command-search kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  background:var(--c-surface-alt);color:var(--c-text-3);border-radius:2px;padding:2px 5px;
}
.quick-link{font-size:14px;color:var(--c-text-2);white-space:nowrap}
.quick-link:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);border-radius:var(--radius-btn);
  background:var(--c-surface);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 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:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .16s ease-out,color .16s ease-out,transform .12s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,84,74,.4)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(20,84,74,.06)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,84,74,.24)}
.btn-text{color:var(--c-primary);font-weight:600;font-size:14px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:13px;
  background:rgba(20,84,74,.08);color:var(--c-primary);
}
.badge-solid{background:var(--c-primary);color:#fff}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:13px;
  border:1px solid var(--c-border-strong);color:var(--c-text-2);background:var(--c-surface);
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;min-height:310px;display:flex;align-items:center;
  background-color:var(--c-surface-alt);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(14,59,52,.9) 12%,rgba(14,59,52,.5) 68%,rgba(14,59,52,.38) 100%);
}
.page-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:56px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{margin:0 6px}
.breadcrumb .cur{color:rgba(255,255,255,.92)}
.page-hero h1{max-width:760px;margin-bottom:16px;color:#fff}
.page-hero .hero-sub{max-width:640px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);margin:0}
.hero-marks{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.hero-mark{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.86)}
.hero-mark svg{width:16px;height:16px;color:#fff}

/* ============ 指标卡 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.metric{
  background:var(--c-surface-alt);border-radius:var(--radius-card);padding:30px 28px;
  border:1px solid var(--c-border);
}
.metric .value{
  font-size:38px;font-weight:600;color:var(--c-primary);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.metric .value .unit{font-size:18px;margin-left:4px;color:var(--c-primary-soft)}
.metric .label{margin-top:12px;font-size:13px;color:var(--c-text-2);line-height:1.7}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:880px}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:14px;width:2px;background:var(--c-primary);opacity:.85;
}
.tl-item{position:relative;padding-left:58px;margin-bottom:40px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:999px;
  background:var(--c-surface);border:2px solid var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:600;color:var(--c-primary);
}
.tl-step{font-size:13px;letter-spacing:1.6px;color:var(--c-text-3);margin-bottom:6px}
.tl-item h3{margin-bottom:10px;font-size:20px}
.tl-item p{color:var(--c-text-2);font-size:16px;margin:0;max-width:680px}

/* ============ 图文卡 ============ */
.feature-card{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:0;overflow:hidden;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.feature-media{background:var(--c-surface-alt);min-height:320px}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:40px 40px 36px}
.feature-body h3{margin-bottom:14px}
.feature-body p{color:var(--c-text-2);font-size:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ FAQ ============ */
.faq-list{max-width:900px;border-top:1px solid var(--c-border)}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;position:relative;transition:transform .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary-soft);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{top:0;left:9px;width:2px;height:20px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:760px}

/* ============ 相关阅读 ============ */
.read-list{max-width:880px}
.read-item{
  display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-border);
  font-size:16px;color:var(--c-text);transition:color .16s ease-out;
}
.read-item:first-child{border-top:1px solid var(--c-border)}
.read-item .idx{
  font-size:13px;color:var(--c-primary-soft);font-variant-numeric:tabular-nums;flex-shrink:0;
}
.read-item span:last-of-type{transition:transform .16s ease-out}
.read-item:hover{color:var(--c-primary)}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:34px 36px;box-shadow:var(--shadow-1);
}
.cta-bar h3{font-size:22px;margin-bottom:8px}
.cta-bar p{margin:0;color:var(--c-text-2);font-size:15px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:#fff;margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-brand span:last-child{font-size:17px;font-weight:600;color:#fff}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:8px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,43,36,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;z-index:80;background:var(--c-surface);
  transform:translateX(100%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:18px 20px 24px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head .brand-text{font-size:16px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--c-border);border-radius:var(--radius-btn);
  background:var(--c-surface);cursor:pointer;font-size:18px;line-height:1;color:var(--c-text-2);
}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:16px 0;
  border:1px solid var(--c-border);border-radius:var(--radius-btn);background:var(--c-surface-alt);
}
.drawer-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .command-search{width:200px}
  .nav-links{gap:18px}
}
@media (max-width:1024px){
  .nav-links,.command-search,.quick-link{display:none}
  .nav-toggle{display:flex}
  h1{font-size:34px}
  h2{font-size:27px}
  .section{padding:72px 0}
  .container{padding:0 24px}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:240px}
  .feature-body{padding:32px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  h1{font-size:30px;line-height:1.32}
  h2{font-size:24px}
  h3{font-size:19px}
  .page-hero{min-height:280px}
  .page-hero .container{padding-top:44px;padding-bottom:44px}
  .btn{width:100%}
  .cta-bar{flex-direction:column;align-items:stretch;text-align:left;padding:26px 22px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:16px}
  .metric{padding:22px 20px}
  .metric .value{font-size:30px}
  .timeline::before{left:9px}
  .tl-item{padding-left:44px;margin-bottom:34px}
  .tl-dot{width:20px;height:20px;font-size:10px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --c-primary:#14544A;
  --c-primary-deep:#0E3B34;
  --c-primary-soft:#2E7D74;
  --c-accent:#D9622F;
  --c-accent-hover:#C2541F;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE2;
  --c-text:#1A1D1C;
  --c-text-2:#5B6560;
  --c-text-3:#8C948F;
  --c-border:#E4E0D6;
  --c-border-strong:#CFC9BB;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(26,29,28,.06);
  --shadow-2:0 10px 28px -14px rgba(20,84,74,.28);
  --font-sans:system-ui,"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%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
p{margin:0 0 1.1em;line-height:1.85;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;
  padding:10px 16px;border-radius:0 0 8px 0;z-index:200;
}
.skip-link:focus{left:0;}

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

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--c-border);
  background:rgba(255,255,255,.86);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:18px;font-weight:600;color:var(--c-primary);letter-spacing:.2px;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;color:var(--c-text-2);
  transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:center;
  transition:transform .16s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:260px;padding:0 10px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-btn);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,74,.12);}
.command-search svg{width:16px;height:16px;flex-shrink:0;stroke:var(--c-text-3);}
.command-search input{
  border:0;outline:0;background:transparent;width:100%;height:100%;
  font-size:14px;color:var(--c-text);
}
.command-search input::placeholder{color:var(--c-text-3);}
.command-search kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  background:var(--c-surface-alt);color:var(--c-text-2);
  border-radius:2px;padding:2px 5px;flex-shrink:0;
}
.nav-quick{font-size:14px;color:var(--c-text-2);padding:8px 4px;border-bottom:1px solid transparent;}
.nav-quick:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-btn);
  cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--c-primary);}

/* ---------- Buttons ---------- */
.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:600;cursor:pointer;border:1px solid transparent;
  transition:background .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-primary:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(20,84,74,.4);}
.btn-secondary{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary:hover{background:rgba(20,84,74,.06);}
.btn-secondary:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(20,84,74,.24);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-primary);border-bottom:1px solid var(--c-primary);padding-bottom:2px;
  background:none;border-left:0;border-right:0;border-top:0;cursor:pointer;
}
.btn-text:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- Badge / Tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:rgba(20,84,74,.08);color:var(--c-primary);
  font-size:13px;line-height:1.6;
}
.badge-solid{background:var(--c-primary);color:#fff;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:var(--c-surface-alt);color:var(--c-text-2);
  font-size:13px;border:1px solid var(--c-border);
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(14,59,52,.74),rgba(14,59,52,.82)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero-inner{padding:64px 0 56px;max-width:760px;}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;}
.crumbs span{margin:0 8px;}
.crumbs .current{color:rgba(255,255,255,.94);}
.hero-title{
  font-size:40px;line-height:1.3;font-weight:600;margin:0 0 18px;letter-spacing:.2px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);margin:0;max-width:620px;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--c-surface-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-label{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--c-primary-soft);
  margin-bottom:12px;font-weight:600;
}
.section-title{
  font-size:30px;line-height:1.3;font-weight:600;margin:0 0 14px;color:var(--c-text);
  position:relative;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  background:var(--c-primary);border-radius:2px;
}
.section-desc{font-size:16px;line-height:1.85;color:var(--c-text-2);margin:0;}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.stat-card{
  background:var(--c-surface-alt);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:30px 28px;
}
.stat-num{
  font-size:40px;line-height:1.1;font-weight:600;color:var(--c-accent);
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.stat-num small{font-size:18px;font-weight:600;margin-left:6px;color:var(--c-accent);}
.stat-text{font-size:13px;line-height:1.7;color:var(--c-text-2);}

/* ---------- Feature wide card ---------- */
.feature-card{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.feature-media{background:var(--c-surface-alt);min-height:320px;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-body{padding:42px 44px;}
.feature-title{font-size:22px;line-height:1.35;font-weight:600;margin:0 0 16px;}
.feature-list{margin-top:22px;display:grid;gap:14px;}
.feature-list li{
  display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--c-text-2);
}
.check{
  flex-shrink:0;width:20px;height:20px;margin-top:6px;border-radius:50%;
  background:rgba(20,84,74,.1);display:inline-flex;align-items:center;justify-content:center;
}
.check svg{width:12px;height:12px;stroke:var(--c-primary);stroke-width:2.4;}

/* ---------- Dark band ---------- */
.env-band{background:var(--c-primary-deep);color:#fff;padding:64px 0;}
.env-band .section-label{color:var(--c-primary-soft);}
.env-band .section-title{color:#fff;}
.env-band .section-title::before{background:var(--c-accent);}
.env-band .section-desc{color:rgba(255,255,255,.72);}
.env-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px;}
.env-item{border-top:1px solid rgba(255,255,255,.18);padding-top:20px;}
.env-item h3{font-size:17px;font-weight:600;margin:0 0 10px;color:#fff;line-height:1.4;}
.env-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 0;font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-plus{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:rgba(20,84,74,.08);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .2s ease,background .2s ease;
}
.faq-plus svg{width:14px;height:14px;stroke:var(--c-primary);stroke-width:2;}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:rgba(217,98,47,.14);}
.faq-item[open] .faq-plus svg{stroke:var(--c-accent);}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:840px;}

/* ---------- CTA bar ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-bar{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-1);
}
.cta-bar h2{font-size:22px;line-height:1.35;font-weight:600;margin:0 0 8px;}
.cta-bar p{font-size:15px;line-height:1.8;color:var(--c-text-2);margin:0;max-width:620px;}
.cta-actions{flex-shrink:0;display:flex;gap:14px;}

/* ---------- Related reads ---------- */
.reads{display:grid;gap:0;border-top:1px solid var(--c-border);}
.reads li{border-bottom:1px solid var(--c-border);}
.reads a{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;color:var(--c-text);transition:color .16s ease,padding .16s ease;
}
.reads a:hover{color:var(--c-primary);padding-left:6px;}
.reads .reads-hint{font-size:13px;color:var(--c-text-3);flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--c-primary-soft);}
.footer-brand span:last-child{font-size:18px;font-weight:600;color:#fff;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 8px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,43,36,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;background:var(--c-surface);
  z-index:90;transform:translateX(100%);transition:transform .28s ease;
  padding:24px 20px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--c-border);
  background:var(--c-surface);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--c-text-2);}
.drawer-link{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);
}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:20px;}
.drawer-cta .btn{width:100%;}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .command-search{width:200px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links,.command-search,.nav-quick{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-title{font-size:34px;}
  .section{padding:64px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .env-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .feature-card{grid-template-columns:1fr;}
  .feature-media{min-height:240px;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  body{font-size:16px;line-height:1.8;}
  .nav-inner{height:64px;gap:12px;}
  .logo-text{font-size:16px;}
  .page-hero-inner{padding:48px 0 44px;}
  .hero-title{font-size:30px;line-height:1.36;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-num{font-size:34px;}
  .feature-body{padding:28px 22px;}
  .env-grid{grid-template-columns:1fr;}
  .env-band{padding:48px 0;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .cta-wrap{padding:0 0 56px;}
  .faq-item summary{font-size:16px;padding:18px 0;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .reads a{flex-direction:column;align-items:flex-start;gap:6px;}
}