/* roulang page: index */
:root{
    --brand-900:#14344D;
    --brand-700:#1F4E6B;
    --brand-100:#E7EFF4;
    --accent-600:#B0763F;
    --accent-100:#F3E7DA;
    --ink:#17242C;
    --muted:#5E6B74;
    --line:#E4E0D8;
    --bg:#F8F7F3;
    --surface:#FFFFFF;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(23,36,44,.05), 0 10px 26px -14px rgba(23,36,44,.16);
    --shadow-2:0 1px 2px rgba(23,36,44,.06), 0 18px 34px -18px rgba(23,36,44,.22);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;color:var(--brand-900);}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  .num,.hero-stats strong,.band-item strong,.news-date{font-variant-numeric:tabular-nums;}

  /* ============ 布局骨架 ============ */
  .shell{max-width:1440px;margin:0 auto;display:block;}
  @media (min-width:1024px){
    .shell{display:grid;grid-template-columns:240px minmax(0,1fr);}
  }
  .sidebar{display:none;}
  @media (min-width:1024px){
    .sidebar{
      display:flex;flex-direction:column;
      position:sticky;top:0;height:100vh;
      background:var(--surface);
      border-right:1px solid var(--line);
      padding:28px 16px 22px;
      overflow-y:auto;
    }
  }
  .logo-block{display:block;padding:4px 8px 0;}
  .logo-main{font-size:18px;font-weight:700;color:var(--brand-900);line-height:1.3;letter-spacing:-.01em;}
  .logo-sub{display:block;font-size:12px;color:var(--muted);margin-top:4px;letter-spacing:.02em;}
  .nav-group{margin-top:26px;display:flex;flex-direction:column;gap:4px;}
  .nav-label{font-size:11px;color:var(--muted);letter-spacing:.14em;padding:0 16px 8px;}
  .nav-link{
    display:flex;align-items:center;
    min-height:44px;padding:0 16px 0 20px;
    border-radius:10px;
    color:var(--muted);font-size:15px;
    position:relative;
    transition:background-color .18s ease,color .18s ease;
  }
  .nav-link:hover{background:var(--brand-100);color:var(--brand-900);}
  .nav-link:focus-visible{outline:none;box-shadow:0 0 0 2px var(--brand-100),0 0 0 4px rgba(176,118,63,.35);}
  .nav-link.is-active{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
  .nav-link.is-active::before{
    content:"";position:absolute;left:6px;top:10px;bottom:10px;width:3px;
    border-radius:2px;background:var(--accent-600);
  }
  .sidebar .spacer{flex:1 1 auto;min-height:24px;}
  .side-card{
    background:var(--bg);border:1px solid var(--line);border-radius:12px;
    padding:16px;margin-top:18px;
  }
  .side-card .t{font-size:14px;font-weight:600;color:var(--brand-900);}
  .side-card .d{font-size:12px;color:var(--muted);margin:6px 0 12px;line-height:1.7;}
  .side-contact{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7;padding:0 4px;}

  /* ============ 移动端顶栏与抽屉 ============ */
  .mobile-bar{
    position:sticky;top:0;z-index:50;height:56px;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 14px;background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  @media (min-width:1024px){.mobile-bar{display:none;}}
  .mobile-bar .logo-main{font-size:16px;}
  .mobile-bar .logo-sub{font-size:11px;margin-top:1px;}
  .burger{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:var(--surface);
    cursor:pointer;transition:background-color .18s ease,border-color .18s ease;
  }
  .burger:hover{background:var(--brand-100);border-color:var(--brand-100);}
  .burger span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative;border-radius:2px;}
  .burger span::before,.burger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
  }
  .burger span::before{top:-6px;}
  .burger span::after{top:6px;}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(20,52,77,.44);
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:60;
  }
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;
    background:var(--surface);z-index:70;
    transform:translateX(100%);transition:transform .24s ease-out;
    display:flex;flex-direction:column;padding:18px 14px;
    box-shadow:-16px 0 34px -20px rgba(23,36,44,.35);
    overflow-y:auto;
  }
  body.drawer-open{overflow:hidden;}
  body.drawer-open .drawer{transform:translateX(0);}
  body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px 14px;border-bottom:1px solid var(--line);}
  .drawer-close{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:var(--surface);
    font-size:20px;line-height:1;color:var(--brand-900);cursor:pointer;
  }
  .drawer-close:hover{background:var(--brand-100);}

  /* ============ 主内容 ============ */
  main{min-width:0;padding-top:20px;}
  @media (min-width:768px){main{padding-top:28px;}}
  .section{max-width:1200px;margin-left:auto;margin-right:auto;padding:0 20px;}
  @media (min-width:768px){.section{padding:0 28px;}}
  @media (min-width:1280px){.section{padding:0 32px;}}
  main > section + section{margin-top:48px;}
  @media (min-width:768px){main > section + section{margin-top:64px;}}
  @media (min-width:1024px){main > section + section{margin-top:88px;}}

  .breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
  .breadcrumb .sep{color:#B9C3C9;}
  .breadcrumb .cur{color:var(--brand-900);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;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,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  }
  .btn:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand-100);}
  .btn-primary{background:var(--brand-900);color:#fff;}
  .btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-2);transform:translateY(-1px);}
  .btn-primary:active{transform:none;box-shadow:var(--shadow-1);}
  .btn-ghost{background:transparent;border-color:var(--brand-900);color:var(--brand-900);}
  .btn-ghost:hover{background:var(--brand-100);}
  .btn-ghost:active{transform:none;}
  .btn-accent{background:var(--accent-600);color:#fff;}
  .btn-accent:hover{background:#98652F;box-shadow:var(--shadow-2);transform:translateY(-1px);}
  .btn-accent:active{transform:none;}
  .btn-block{width:100%;}

  /* ============ 徽章与标签 ============ */
  .badge{
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;font-weight:500;
  }
  .badge-accent{background:var(--accent-100);color:var(--accent-600);}
  .badge-brand{background:var(--brand-100);color:var(--brand-700);}

  /* ============ 板块标题组 ============ */
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px;}
  .section-head h2{position:relative;padding-left:14px;font-size:24px;line-height:1.35;}
  @media (min-width:768px){.section-head h2{font-size:26px;}}
  .section-head h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent-600);
  }
  .section-head .sub{font-size:14px;color:var(--muted);margin-top:6px;padding-left:14px;}
  .more-link{font-size:14px;font-weight:500;color:var(--brand-700);transition:color .18s ease;}
  .more-link:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}

  /* ============ Hero ============ */
  .hero-grid{display:grid;gap:28px;align-items:center;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;}
  }
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;color:var(--brand-700);
    background:var(--brand-100);border-radius:999px;padding:5px 12px;
  }
  .hero-eyebrow i{width:6px;height:6px;border-radius:999px;background:var(--accent-600);display:inline-block;}
  .hero-copy h1{
    font-size:28px;line-height:1.35;margin:16px 0 0;font-weight:700;
  }
  @media (min-width:768px){.hero-copy h1{font-size:34px;}}
  @media (min-width:1280px){.hero-copy h1{font-size:36px;}}
  .hero-sub{margin-top:14px;font-size:16px;line-height:1.8;color:var(--muted);max-width:36em;}
  .hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
  @media (min-width:640px){.hero-actions{flex-direction:row;align-items:center;gap:14px;}}
  .hero-stats{display:flex;gap:30px;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);}
  .hero-stats li{display:flex;flex-direction:column;gap:2px;}
  .hero-stats strong{font-size:26px;font-weight:700;line-height:1.2;color:var(--brand-900);}
  .hero-stats span{font-size:12px;color:var(--muted);}
  .hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-1);background:var(--brand-100);}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .hero-media::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(90deg,rgba(248,247,243,.88) 0%,rgba(248,247,243,0) 62%);
  }

  /* ============ 痛点 2×2 ============ */
  .pain-grid{display:grid;gap:18px;}
  @media (min-width:640px){.pain-grid{grid-template-columns:1fr 1fr;}}
  .pain-item{
    background:#FCFBF8;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px 24px;transition:border-color .18s ease,background-color .18s ease;
  }
  .pain-item:hover{border-color:#D6CFC3;background:#FBF9F4;}
  .pain-item .no{font-size:13px;font-weight:600;color:var(--accent-600);letter-spacing:.08em;}
  .pain-item h3{font-size:17px;margin:8px 0 8px;}
  .pain-item p{font-size:14px;line-height:1.8;color:var(--muted);}

  /* ============ 方案交错图文 ============ */
  .split-stack{display:grid;gap:44px;}
  @media (min-width:1024px){.split-stack{gap:64px;}}
  .split{display:grid;gap:24px;align-items:center;}
  @media (min-width:1024px){
    .split{grid-template-columns:1fr 1fr;gap:48px;}
    .split.reverse .split-media{order:2;}
  }
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;box-shadow:var(--shadow-1);}
  .split-label{font-size:12px;font-weight:600;color:var(--accent-600);letter-spacing:.08em;}
  .split-copy h3{font-size:21px;line-height:1.45;margin:10px 0 12px;}
  @media (min-width:768px){.split-copy h3{font-size:23px;}}
  .split-copy p{font-size:15px;line-height:1.85;color:var(--ink);opacity:.92;}
  .split-list{margin-top:16px;display:grid;gap:9px;}
  .split-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--muted);}
  .split-list li::before{
    content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;background:var(--accent-600);
  }

  /* ============ 数据带 ============ */
  .band{background:var(--brand-900);color:#fff;}
  .band-inner{max-width:1200px;margin:0 auto;padding:48px 20px;}
  @media (min-width:768px){.band-inner{padding:64px 28px;}}
  .band-head{margin-bottom:32px;}
  .band-head h2{color:#fff;font-size:24px;}
  @media (min-width:768px){.band-head h2{font-size:26px;}}
  .band-head p{color:rgba(255,255,255,.72);font-size:14px;margin-top:8px;}
  .band-grid{display:grid;gap:26px;grid-template-columns:1fr 1fr;}
  @media (min-width:1024px){.band-grid{grid-template-columns:repeat(4,1fr);gap:32px;}}
  .band-item strong{display:block;font-size:36px;font-weight:700;line-height:1.1;letter-spacing:-.02em;}
  @media (min-width:768px){.band-item strong{font-size:40px;}}
  .band-item .unit{font-size:13px;color:rgba(255,255,255,.6);margin-left:4px;font-weight:500;}
  .band-item .cap{display:block;font-size:12px;line-height:1.7;color:rgba(255,255,255,.66);margin-top:8px;}

  /* ============ 证言 ============ */
  .quotes{display:grid;gap:20px;}
  @media (min-width:900px){.quotes{grid-template-columns:1.08fr .92fr;align-items:start;gap:26px;}}
  .quote{
    position:relative;background:var(--surface);border-radius:var(--radius-card);
    padding:28px 26px 24px;box-shadow:var(--shadow-1);
    transition:box-shadow .2s ease,transform .2s ease;
  }
  .quote:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .quote::before{
    content:"\201C";position:absolute;top:6px;left:20px;
    font-size:44px;line-height:1;color:var(--accent-600);opacity:.85;font-family:Georgia,serif;
  }
  .quote p{font-size:15px;line-height:1.8;margin:20px 0 20px;color:var(--ink);}
  .quote-foot{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:40px;height:40px;border-radius:999px;flex:0 0 auto;
    background:var(--accent-100);color:var(--accent-600);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:600;
  }
  .quote-foot .name{font-size:14px;font-weight:600;color:var(--brand-900);line-height:1.4;}
  .quote-foot .role{font-size:12px;color:var(--muted);line-height:1.4;}
  @media (min-width:900px){.quotes .quote:nth-child(2){margin-top:28px;}}

  /* ============ 最新信息卡片 ============ */
  .news-grid{display:grid;gap:22px;}
  @media (min-width:768px){.news-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
  .news-card{
    display:flex;flex-direction:column;background:var(--surface);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
    transition:box-shadow .2s ease,transform .2s ease;
  }
  .news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .news-card:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand-100),var(--shadow-2);}
  .news-thumb{aspect-ratio:16/10;background:var(--brand-100);overflow:hidden;}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .news-card:hover .news-thumb img{transform:scale(1.03);}
  .news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
  .news-title{
    font-size:16px;line-height:1.55;font-weight:600;color:var(--brand-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-desc{
    font-size:14px;line-height:1.7;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-foot{
    margin-top:auto;padding-top:10px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:13px;color:var(--muted);
  }
  .news-arrow{color:var(--brand-700);transition:transform .15s ease-out;}
  .news-card:hover .news-arrow{transform:translateX(2px);}

  /* ============ 空态 ============ */
  .empty-state{
    grid-column:1 / -1;min-height:240px;background:var(--accent-100);
    border-radius:var(--radius-card);display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px 24px;
  }
  .empty-state svg{width:26px;height:26px;color:var(--accent-600);}
  .empty-state p{font-size:14px;color:#7C5B39;}
  .empty-state .btn{margin-top:4px;}

  /* ============ FAQ ============ */
  .faq{max-width:800px;margin:0 auto;}
  .faq details{
    background:var(--surface);border:1px solid var(--line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq details:hover{border-color:#D6CFC3;}
  .faq details[open]{border-color:#CFDDE6;box-shadow:var(--shadow-1);}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:16px;min-height:56px;padding:14px 20px;
    font-size:16px;font-weight:500;color:var(--brand-900);line-height:1.6;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--brand-100);}
  .faq .ico{
    flex:0 0 auto;width:22px;height:22px;border-radius:999px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand-100);color:var(--brand-700);
    font-size:15px;line-height:1;transition:transform .2s ease-out;
  }
  .faq details[open] .ico{transform:rotate(45deg);}
  .faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ============ 结尾转化区 ============ */
  .cta-wrap{background:var(--accent-100);border-radius:16px;padding:28px 22px;}
  @media (min-width:768px){.cta-wrap{padding:44px 40px;}}
  .cta-grid{display:grid;gap:28px;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:44px;align-items:start;}}
  .cta-copy h2{font-size:24px;line-height:1.4;}
  @media (min-width:768px){.cta-copy h2{font-size:27px;}}
  .cta-copy > p{font-size:15px;line-height:1.85;color:#6B543D;margin-top:12px;}
  .cta-list{margin-top:20px;display:grid;gap:10px;}
  .cta-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:#5C4834;}
  .cta-list li::before{
    content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:2px;
    background:var(--accent-600);
  }
  .cta-form{background:var(--surface);border-radius:14px;padding:22px;box-shadow:var(--shadow-1);}
  @media (min-width:768px){.cta-form{padding:26px;}}
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .field input,.field select,.field textarea{
    width:100%;min-height:44px;padding:10px 14px;
    border:1px solid var(--line);border-radius:10px;background:#fff;
    font-size:15px;line-height:1.5;color:var(--ink);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field input::placeholder,.field textarea::placeholder{color:#A6AFB5;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px var(--brand-100);
  }
  .field textarea{min-height:112px;resize:vertical;}
  .form-note{font-size:12px;line-height:1.7;color:var(--muted);margin-top:12px;}
  .form-success{
    background:#EAF3EE;color:#2F6B4A;border-radius:10px;
    padding:12px 14px;font-size:14px;margin-top:14px;line-height:1.7;
  }

  /* ============ 页脚 ============ */
  .footer{
    margin-top:52px;background:var(--bg);border-top:1px solid var(--line);
    padding:44px 20px 22px;
  }
  @media (min-width:768px){.footer{padding:52px 28px 24px;margin-top:72px;}}
  @media (min-width:1024px){.footer{margin-top:88px;}}
  .footer-inner{max-width:1200px;margin:0 auto;display:grid;gap:30px;grid-template-columns:1fr;}
  @media (min-width:640px){.footer-inner{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-inner{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}}
  .footer h3{font-size:13px;font-weight:600;color:var(--brand-900);letter-spacing:.04em;margin-bottom:12px;}
  .footer .about{font-size:13px;line-height:1.8;color:var(--muted);max-width:26em;margin-top:10px;}
  .footer .kw-link{display:inline-block;margin-top:12px;font-size:13px;font-weight:600;color:var(--brand-700);transition:color .18s ease;}
  .footer .kw-link:hover{color:var(--accent-600);}
  .footer-links{display:grid;gap:8px;}
  .footer-links a{font-size:13px;color:var(--muted);transition:color .18s ease;}
  .footer-links a:hover{color:var(--accent-600);}
  .footer-contact p{font-size:13px;line-height:1.8;color:var(--muted);}
  .footer-note{font-size:12px;line-height:1.8;color:#8A949B;margin-top:10px;}
  .footer-bottom{
    max-width:1200px;margin:32px auto 0;padding-top:18px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;
    font-size:12px;color:var(--muted);
  }
  .footer-bottom .kw{color:#8A949B;}

  @media (max-width:639px){
    .hero-actions .btn{width:100%;}
    .cta-form .btn{width:100%;}
  }

/* roulang page: category1 */
:root{
  --brand-900:#14344D; --brand-700:#1F4E6B; --brand-100:#E7EFF4;
  --accent-600:#B0763F; --accent-100:#F3E7DA;
  --ink:#17242C; --muted:#5E6B74; --line:#E4E0D8;
  --bg:#F8F7F3; --surface:#FFFFFF;
  --radius-card:14px; --radius-btn:10px; --radius-img:12px;
  --shadow-soft:0 1px 2px rgba(23,36,44,.05),0 10px 26px -14px rgba(23,36,44,.16);
  --shadow-lift:0 1px 2px rgba(23,36,44,.06),0 18px 34px -18px rgba(23,36,44,.24);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 布局骨架 ---------- */
.site{display:block;min-height:100vh;}
.sidebar{
  display:none;width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;padding:26px 18px 22px;
  flex-direction:column;gap:18px;overflow-y:auto;
}
.sidebar-inner{display:flex;flex-direction:column;gap:18px;height:100%;}
.logo-block{display:flex;flex-direction:column;gap:2px;padding:2px 8px 6px;}
.logo-main{font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-0.01em;line-height:1.3;}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:.02em;}
.nav-label{font-size:11px;letter-spacing:.14em;color:var(--muted);padding:0 12px 6px;}
.nav-group{display:flex;flex-direction:column;gap:4px;}
.nav-link{
  display:flex;align-items:center;min-height:44px;padding:0 16px;border-radius:var(--radius-btn);
  font-size:14.5px;color:#33454F;position:relative;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-900);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:999px;background:var(--accent-600);
}
.nav-flex{flex:1 1 auto;}
.sidebar-card{
  background:var(--accent-100);border-radius:var(--radius-card);padding:16px;
  display:flex;flex-direction:column;gap:10px;
}
.sidebar-card strong{font-size:14px;color:var(--brand-900);font-weight:600;line-height:1.5;}
.sidebar-card p{font-size:12.5px;color:#6B5641;line-height:1.65;}
.sidebar-meta{font-size:12px;color:var(--muted);line-height:1.8;padding:0 4px;}

.main{min-width:0;width:100%;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 16px;background:#fff;border-bottom:1px solid var(--line);
}
.topbar .logo-main{font-size:16px;}
.topbar .logo-sub{font-size:11px;}
.burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;
  transition:background-color .18s ease-out,border-color .18s ease-out;
}
.burger:hover{background:var(--brand-100);border-color:#D3DFE7;}
.burger span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.overlay{
  position:fixed;inset:0;background:rgba(20,52,77,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:50;
}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;background:#fff;
  z-index:60;transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:18px 16px;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(23,36,44,.4);
}
.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;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;font-size:20px;color:var(--brand-900);
}
.drawer-close:hover{background:var(--brand-100);}
.drawer .nav-link{min-height:46px;font-size:15px;}
.drawer-foot{margin-top:auto;padding-top:18px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0;}
.breadcrumb a{transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:#B9B2A6;}
.breadcrumb .current{color:var(--brand-900);font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:44px 0;}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{
  font-size:22px;font-weight:600;color:var(--brand-900);letter-spacing:-0.01em;line-height:1.45;
  padding-left:14px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--accent-600);
}
.section-desc{font-size:14px;color:var(--muted);margin-top:8px;padding-left:14px;line-height:1.7;}
.link-more{
  font-size:13.5px;color:var(--brand-700);white-space:nowrap;padding:6px 2px;
  transition:color .18s ease-out;
}
.link-more:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 分类页主区 ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start;padding-top:12px;}
.cat-title-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-soft);
}
.cat-title-col h1{
  font-size:26px;font-weight:700;color:var(--brand-900);line-height:1.45;letter-spacing:-0.01em;
}
.cat-lead{font-size:14.5px;color:var(--muted);line-height:1.85;margin-top:14px;}
.anchor-nav{margin-top:22px;border-top:1px solid var(--line);padding-top:16px;}
.anchor-nav .anchor-label{font-size:11px;letter-spacing:.14em;color:var(--muted);margin-bottom:10px;}
.anchor-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13.5px;color:#3B4C56;padding:9px 10px;border-radius:8px;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.anchor-nav a:hover{background:var(--brand-100);color:var(--brand-900);}
.anchor-nav a::after{content:"→";color:var(--accent-600);font-size:13px;transition:transform .15s ease-out;}
.anchor-nav a:hover::after{transform:translateX(2px);}

.num-list{display:grid;grid-template-columns:1fr;gap:14px;}
.num-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-soft);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.num-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px);border-color:#D9E3EA;}
.num-index{
  flex:0 0 auto;font-size:22px;font-weight:300;color:var(--accent-600);line-height:1.2;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;
  min-width:34px;
}
.num-body h3{font-size:16.5px;font-weight:600;color:var(--brand-900);line-height:1.5;}
.num-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:8px;}
.num-arrow{
  margin-left:auto;align-self:center;color:var(--brand-700);font-size:15px;flex:0 0 auto;
  transition:transform .15s ease-out,color .18s ease-out;
}
.num-card:hover .num-arrow{transform:translateX(2px);color:var(--accent-600);}

/* ---------- 深色核对带 ---------- */
.check-band{background:var(--brand-900);border-radius:16px;padding:34px 26px;color:#fff;}
.check-band h2{font-size:21px;font-weight:600;letter-spacing:-0.01em;line-height:1.5;}
.check-band .band-desc{font-size:13.5px;color:#B9CDD9;margin-top:8px;line-height:1.7;}
.check-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:24px;}
.check-item{border-top:1px solid rgba(255,255,255,.16);padding-top:16px;}
.check-item .ck-num{
  font-size:12px;color:#D9B58C;letter-spacing:.1em;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
}
.check-item h3{font-size:15px;font-weight:600;margin-top:6px;color:#fff;}
.check-item p{font-size:13px;color:#B9CDD9;line-height:1.75;margin-top:6px;}

/* ---------- 图文板块 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
.split-media{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;display:block;}
.split-body .tag{
  display:inline-block;font-size:12px;color:var(--accent-600);background:var(--accent-100);
  padding:4px 10px;border-radius:999px;letter-spacing:.02em;
}
.split-body h2{font-size:21px;font-weight:600;color:var(--brand-900);margin-top:12px;line-height:1.5;}
.split-body p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-top:10px;}
.dot-list{margin-top:14px;display:grid;gap:8px;}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:#3B4C56;line-height:1.75;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent-600);
}

/* ---------- 情形小卡 ---------- */
.situation-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.situation-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-soft);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.situation-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px);}
.situation-card h3{font-size:15.5px;font-weight:600;color:var(--brand-900);}
.situation-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:8px;}
.badge{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:999px;line-height:1.5;
}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item[open]{box-shadow:var(--shadow-soft);border-color:#D9E3EA;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:56px;padding:14px 18px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:500;color:var(--brand-900);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--accent-600);
  font-size:14px;line-height:1;transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--accent-100);}
.faq-answer{padding:0 18px 18px;font-size:15px;color:#3B4C56;line-height:1.85;}
.faq-item summary:focus-visible{outline:2px solid var(--brand-100);outline-offset:-2px;}

/* ---------- 其他分类 ---------- */
.cross-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.cross-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-soft);
  transition:transform .18s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cross-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#D9E3EA;}
.cross-card .cc-slug{font-size:11px;letter-spacing:.1em;color:var(--accent-600);}
.cross-card h3{font-size:15px;font-weight:600;color:var(--brand-900);margin-top:6px;line-height:1.5;}
.cross-card p{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--accent-100);border-radius:16px;padding:30px 24px;
  display:grid;grid-template-columns:1fr;gap:26px;
}
.cta-card h2{font-size:22px;font-weight:600;color:var(--brand-900);line-height:1.5;letter-spacing:-0.01em;}
.cta-card .cta-desc{font-size:14.5px;color:#6B5641;line-height:1.85;margin-top:10px;}
.cta-points{margin-top:16px;display:grid;gap:8px;}
.cta-points li{position:relative;padding-left:18px;font-size:14px;color:#4A3C2C;line-height:1.75;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent-600);
}
.form-card{background:#fff;border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-soft);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  padding:11px 12px;font-size:14px;line-height:1.6;color:var(--ink);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input,.field select{height:44px;padding:0 12px;}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px var(--brand-100);
}
.form-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:focus-visible{outline:2px solid var(--brand-100);outline-offset:2px;}
.btn-primary{background:var(--brand-900);color:#fff;}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-lift);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-soft);}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--brand-900);}
.btn-ghost:hover{background:var(--brand-100);}
.btn-accent{background:var(--accent-600);color:#fff;}
.btn-accent:hover{background:#98652F;box-shadow:var(--shadow-lift);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg);border-top:1px solid var(--line);margin-top:20px;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:44px 20px 30px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
.footer h3{font-size:13px;font-weight:600;color:var(--brand-900);margin-bottom:12px;letter-spacing:.02em;}
.footer .about{font-size:13px;color:var(--muted);line-height:1.85;margin-top:12px;max-width:320px;}
.kw-link{
  display:inline-block;margin-top:10px;font-size:13px;color:var(--brand-700);
  transition:color .18s ease-out;
}
.kw-link:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.footer-links a{
  font-size:13px;color:#4B5B65;padding:4px 0;min-height:32px;display:inline-flex;align-items:center;
  transition:color .18s ease-out;
}
.footer-links a:hover{color:var(--accent-600);}
.footer-contact p{font-size:13px;color:#4B5B65;line-height:1.9;}
.footer-note{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.75;}
.footer-bottom{
  border-top:1px solid var(--line);padding:16px 20px;
  max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 18px;
  align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);
}
.footer-bottom .kw{color:var(--muted);}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .container{padding:0 28px;}
  .num-list{grid-template-columns:1fr 1fr;}
  .situation-grid{grid-template-columns:1fr 1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .footer-bottom{padding:16px 28px;}
}
@media (min-width:1024px){
  .site{display:flex;align-items:flex-start;}
  .sidebar{display:flex;}
  .topbar{display:none;}
  .drawer,.overlay{display:none;}
  .container{padding:0 36px;}
  .cat-grid{grid-template-columns:240px minmax(0,1fr);gap:32px;}
  .cat-title-col{position:sticky;top:24px;}
  .section{padding:52px 0;}
  .split{grid-template-columns:1fr 1fr;gap:32px;}
  .split.reverse .split-media{order:2;}
  .check-grid{grid-template-columns:repeat(4,1fr);}
  .cross-grid{grid-template-columns:repeat(4,1fr);}
  .situation-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr 1fr;padding:38px 34px;gap:34px;}
  .footer-inner{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:52px 36px 34px;}
  .footer-bottom{padding:18px 36px;}
  .section-head h2{font-size:24px;}
}
@media (min-width:1280px){
  .cat-title-col{padding:30px 26px;}
}

/* roulang page: article */
:root{
  --brand-900:#14344D;
  --brand-700:#1F4E6B;
  --brand-100:#E7EFF4;
  --accent-600:#B0763F;
  --accent-700:#98652F;
  --accent-100:#F3E7DA;
  --ink:#17242C;
  --muted:#5E6B74;
  --line:#E4E0D8;
  --bg:#F8F7F3;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(23,36,44,.05), 0 10px 26px -14px rgba(23,36,44,.16);
  --shadow-hover:0 1px 2px rgba(23,36,44,.06), 0 16px 34px -18px rgba(23,36,44,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;border:0;background:none;padding:0;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink);}
:focus-visible{outline:2px solid var(--brand-100);outline-offset:2px;}
::selection{background:var(--brand-100);color:var(--brand-900);}
body.no-scroll{overflow:hidden;}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:240px;height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;overflow-y:auto;z-index:40;
}
.logo-block{display:block;padding:4px 8px 20px;}
.logo-main{display:block;font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;line-height:1.3;}
.logo-sub{display:block;font-size:12px;color:var(--muted);margin-top:5px;letter-spacing:.02em;}
.nav-group{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:11px;letter-spacing:.16em;color:var(--muted);padding:6px 12px 8px;}
.nav-link{
  position:relative;display:flex;align-items:center;
  min-height:44px;padding:0 16px;border-radius:10px;
  font-size:14px;color:var(--ink);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-100);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:2px;background:var(--accent-600);
}
.sidebar-spacer{flex:1 1 auto;min-height:24px;}
.side-card{background:var(--accent-100);border-radius:12px;padding:16px;}
.side-card-title{font-size:13px;font-weight:600;color:var(--brand-900);}
.side-card-text{font-size:12px;line-height:1.7;color:var(--muted);margin:8px 0 12px;}
.side-contact{font-size:12px;color:var(--muted);line-height:1.85;margin-top:16px;padding:0 4px;}

/* ============ 移动顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;z-index:50;
}
.mobile-bar .logo-block{padding:0;}
.mobile-bar .logo-main{font-size:16px;}
.mobile-bar .logo-sub{font-size:11px;margin-top:2px;}
.hamburger{
  width:44px;height:44px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;border-radius:10px;
  transition:background-color .18s ease;
}
.hamburger:hover{background:var(--brand-100);}
.hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-900);}

/* ============ 抽屉 ============ */
.overlay{
  position:fixed;inset:0;background:rgba(23,36,44,.45);
  opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:55;
}
.overlay.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:340px;
  background:var(--surface);transform:translateX(100%);
  transition:transform .22s ease-out;z-index:60;
  display:flex;flex-direction:column;padding:16px;overflow-y:auto;
  box-shadow:-12px 0 30px -20px rgba(23,36,44,.4);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 18px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;display:flex;
  align-items:center;justify-content:center;font-size:22px;
  color:var(--brand-900);line-height:1;
}
.drawer-close:hover{background:var(--brand-100);}
.drawer .nav-group{margin-top:4px;}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}

/* ============ 主区域 ============ */
.main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.wrap{max-width:1200px;width:100%;margin:0 auto;padding:36px 40px 0;flex:1 1 auto;}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--brand-900);}

/* ============ 文章头 ============ */
.article-head{margin-top:18px;padding-bottom:26px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:32px;line-height:1.35;font-weight:700;color:var(--brand-900);
  letter-spacing:-.01em;margin-top:14px;max-width:900px;
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:16px;font-variant-numeric:tabular-nums;}
.meta .sep{color:var(--line);}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;line-height:1.6;font-weight:500;
}
.badge-cat{background:var(--accent-100);color:var(--accent-700);}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}

.figure-hero{margin-top:28px;}
.figure-hero img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-card);background:var(--brand-100);
}

/* ============ 正文排版 ============ */
.prose-cn{
  font-size:17px;line-height:1.9;color:var(--ink);
  max-width:760px;padding-top:36px;
}
.prose-cn p{margin:0 0 1.4em;}
.prose-cn h2{
  position:relative;font-size:22px;font-weight:600;line-height:1.5;
  color:var(--brand-900);margin:40px 0 16px;padding-left:14px;letter-spacing:-.005em;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;
  width:4px;border-radius:2px;background:var(--accent-600);
}
.prose-cn h3{font-size:18px;font-weight:600;color:var(--brand-900);margin:28px 0 12px;line-height:1.6;}
.prose-cn h4{font-size:16px;font-weight:600;color:var(--brand-900);margin:22px 0 10px;}
.prose-cn ul,.prose-cn ol{margin:0 0 1.4em;padding-left:22px;}
.prose-cn ul li{position:relative;padding-left:4px;margin-bottom:10px;}
.prose-cn ul li::before{
  content:"";position:absolute;left:-14px;top:.78em;
  width:6px;height:6px;border-radius:2px;background:var(--accent-600);
}
.prose-cn ol li{list-style:decimal;margin-bottom:10px;padding-left:2px;}
.prose-cn blockquote{
  margin:26px 0;padding:20px 22px;
  border-left:3px solid var(--accent-600);
  background:var(--accent-100);
  border-radius:0 12px 12px 0;
  color:var(--brand-900);font-size:16px;line-height:1.85;
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{border-radius:12px;margin:24px 0;height:auto;}
.prose-cn figure{margin:24px 0;}
.prose-cn figcaption{font-size:13px;text-align:center;color:var(--muted);margin-top:10px;}
.prose-cn a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--accent-600);}
.prose-cn strong{font-weight:600;color:var(--brand-900);}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.prose-cn table{width:100%;border-collapse:collapse;font-size:15px;margin:0;}
.prose-cn .table-wrap{overflow-x:auto;margin:24px 0;border-radius:12px;border:1px solid var(--line);}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:1.7;}
.prose-cn th{background:var(--brand-100);color:var(--brand-900);font-weight:600;white-space:nowrap;}
.prose-cn tbody tr:nth-child(even){background:#FBFAF6;}

/* ============ 空态 ============ */
.empty-state{
  min-height:260px;margin-top:36px;
  background:var(--accent-100);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:40px 24px;text-align:center;
}
.empty-state svg{width:28px;height:28px;stroke:var(--accent-600);}
.empty-state p{font-size:15px;color:var(--brand-900);font-weight:500;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-900);color:#fff;}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-card);}
.btn-secondary{background:transparent;color:var(--brand-900);border-color:var(--brand-900);}
.btn-secondary:hover{background:var(--brand-100);}
.btn-accent{background:var(--accent-600);color:#fff;}
.btn-accent:hover{background:var(--accent-700);box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-apple{background:#fff;color:var(--brand-900);border-color:var(--line);}
.btn-apple:hover{background:var(--brand-100);border-color:var(--brand-700);}
.btn:focus-visible{outline:2px solid var(--brand-100);outline-offset:2px;}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;padding-top:32px;max-width:760px;}
.tag{
  font-size:12px;line-height:1.6;padding:4px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
  transition:background-color .16s ease,color .16s ease;
}
.tag:hover{background:var(--accent-100);color:var(--accent-700);}

/* ============ 文末操作 ============ */
.article-actions{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:32px;padding-top:28px;border-top:1px solid var(--line);
}

/* ============ 板块 ============ */
.block{margin-top:72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-title{
  position:relative;padding-left:14px;
  font-size:24px;font-weight:600;color:var(--brand-900);letter-spacing:-.01em;line-height:1.4;
}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;
  width:4px;border-radius:2px;background:var(--accent-600);
}
.section-desc{font-size:14px;color:var(--muted);margin-top:10px;padding-left:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand-700);font-weight:500;
  transition:color .16s ease;
}
.text-link:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}

/* ============ 卡片网格 ============ */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D8D2C7;}
.card-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-title{font-size:16px;font-weight:600;line-height:1.5;color:var(--brand-900);}
.card-title a{color:inherit;transition:color .16s ease;}
.card-title a:hover{color:var(--brand-700);}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--brand-700);
}
.card-link span{transition:transform .15s ease-out;}
.card:hover .card-link span{transform:translateX(2px);}

/* ============ 转化条 ============ */
.cta-compact{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:var(--accent-100);border-radius:16px;
  padding:30px 34px;margin-top:64px;
}
.cta-compact h2{font-size:20px;font-weight:600;color:var(--brand-900);line-height:1.45;}
.cta-compact p{font-size:14px;line-height:1.75;color:var(--muted);margin-top:8px;max-width:520px;}

/* ============ 页脚 ============ */
.footer{background:var(--bg);border-top:1px solid var(--line);margin-top:80px;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:56px 40px 40px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
}
.footer h3{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:14px;}
.footer .about{font-size:13px;line-height:1.85;color:var(--muted);margin:14px 0 12px;max-width:300px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13px;color:var(--muted);transition:color .16s ease;}
.footer-links a:hover{color:var(--accent-600);}
.kw-link{font-size:13px;color:var(--brand-700);transition:color .16s ease;}
.kw-link:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}
.footer-contact p{font-size:13px;line-height:1.9;color:var(--muted);}
.footer-note{font-size:12px;line-height:1.8;margin-top:10px;color:var(--muted);}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:18px 40px 28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .wrap{padding:32px 32px 0;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
  .wrap{padding:24px 20px 0;}
  .article-head h1{font-size:26px;}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-inner{grid-template-columns:1fr 1fr;padding:40px 20px 28px;gap:28px;}
  .footer-bottom{padding:16px 20px 24px;}
  .block{margin-top:56px;}
  .cta-compact{padding:26px;margin-top:48px;}
}
@media (max-width:639px){
  .wrap{padding:20px 16px 0;}
  .article-head h1{font-size:23px;}
  .meta{font-size:12px;gap:8px;}
  .prose-cn{font-size:16px;line-height:1.85;padding-top:28px;}
  .prose-cn h2{font-size:20px;margin-top:32px;}
  .prose-cn h3{font-size:17px;}
  .cards{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;padding:32px 16px 24px;}
  .footer-bottom{padding:16px 16px 22px;flex-direction:column;}
  .section-title{font-size:20px;}
  .block{margin-top:48px;}
  .article-actions .btn{width:100%;}
  .cta-compact{flex-direction:column;align-items:flex-start;}
  .cta-compact .btn{width:100%;}
  .footer{margin-top:56px;}
}

/* roulang page: category2 */
:root{
    --brand-900:#14344D;
    --brand-700:#1F4E6B;
    --brand-100:#E7EFF4;
    --accent-600:#B0763F;
    --accent-700:#98652F;
    --accent-100:#F3E7DA;
    --ink:#17242C;
    --muted:#5E6B74;
    --line:#E4E0D8;
    --bg:#F8F7F3;
    --surface:#FFFFFF;
    --danger:#B4432F;
    --ok:#EAF3EE;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-soft:0 1px 2px rgba(23,36,44,.05),0 10px 26px -14px rgba(23,36,44,.16);
    --shadow-lift:0 1px 2px rgba(23,36,44,.05),0 16px 34px -18px rgba(23,36,44,.28);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  ::selection{background:var(--accent-100);color:var(--brand-900);}

  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  /* ---------- 布局骨架 ---------- */
  .layout{display:flex;align-items:flex-start;min-height:100vh;}

  .side-nav{
    width:240px;flex:0 0 240px;height:100vh;position:sticky;top:0;
    background:var(--surface);border-right:1px solid var(--line);
    display:flex;flex-direction:column;
    padding:28px 20px 24px;overflow-y:auto;
  }
  .side-nav::-webkit-scrollbar{width:6px;}
  .side-nav::-webkit-scrollbar-thumb{background:#D9D4CA;border-radius:999px;}

  .content-wrap{flex:1;min-width:0;display:flex;flex-direction:column;}

  .logo-block{display:block;padding-bottom:20px;border-bottom:1px solid var(--line);}
  .logo-main{display:block;font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;line-height:1.3;}
  .logo-sub{display:block;font-size:12px;color:var(--muted);margin-top:4px;line-height:1.4;}

  .nav-group{margin-top:22px;display:flex;flex-direction:column;gap:4px;flex:0 0 auto;}
  .nav-label{font-size:12px;color:var(--muted);padding:0 16px 8px;letter-spacing:.1em;}
  .nav-link{
    position:relative;display:flex;align-items:center;min-height:44px;
    padding:0 16px;border-radius:10px;font-size:14px;color:var(--ink);
    transition:background-color .18s ease-out,color .18s ease-out;
  }
  .nav-link:hover{background:var(--brand-100);color:var(--brand-900);}
  .nav-link:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .nav-link.is-active{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
    border-radius:3px;background:var(--accent-600);
  }

  .side-card{
    margin-top:26px;padding:18px;border:1px solid var(--line);
    border-radius:var(--radius-card);background:var(--bg);
  }
  .side-card strong{display:block;font-size:14px;font-weight:600;color:var(--brand-900);line-height:1.5;}
  .side-card p{font-size:12px;color:var(--muted);line-height:1.7;margin:8px 0 14px;}

  .side-contact{
    margin-top:auto;padding-top:22px;border-top:1px solid var(--line);
    font-size:12px;color:var(--muted);line-height:1.8;
  }
  .side-contact a{color:var(--brand-700);}
  .side-contact a:hover{color:var(--accent-600);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:14px;font-weight:600;line-height:1.2;text-align:center;
    transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  }
  .btn-primary{background:var(--brand-900);color:#fff;box-shadow:var(--shadow-soft);}
  .btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-lift);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-soft);}
  .btn-secondary{background:transparent;color:var(--brand-900);border:1px solid var(--brand-900);}
  .btn-secondary:hover{background:var(--brand-100);transform:translateY(-1px);}
  .btn-secondary:active{transform:translateY(0);}
  .btn-accent{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-soft);}
  .btn-accent:hover{background:var(--accent-700);box-shadow:var(--shadow-lift);transform:translateY(-1px);}
  .btn-accent:active{transform:translateY(0);}
  .btn:focus-visible{outline:2px solid var(--brand-100);outline-offset:2px;box-shadow:0 0 0 2px var(--brand-700);}
  .btn-block{width:100%;}
  .btn[disabled]{opacity:.4;pointer-events:none;transform:none;}

  /* ---------- 徽章与标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.5;
  }
  .badge-accent{background:var(--accent-100);color:var(--accent-600);}
  .badge-brand{background:var(--brand-100);color:var(--brand-700);}
  .hero-copy .badge{background:rgba(243,231,218,.94);color:#8A5A2B;}

  /* ---------- 移动端顶栏与抽屉 ---------- */
  .mobile-bar{
    display:none;position:sticky;top:0;z-index:40;height:56px;
    align-items:center;justify-content:space-between;
    padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);
  }
  .mobile-logo{padding:0;border:0;}
  .mobile-logo .logo-main{font-size:16px;}
  .mobile-logo .logo-sub{font-size:11px;margin-top:2px;}
  .menu-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;color:var(--brand-900);
    transition:background-color .18s ease-out;
  }
  .menu-btn:hover{background:var(--brand-100);}
  .menu-btn:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .menu-btn svg{width:22px;height:22px;}

  .drawer{position:fixed;inset:0;z-index:60;visibility:hidden;}
  .drawer.is-open{visibility:visible;}
  .drawer-mask{position:absolute;inset:0;background:rgba(20,52,77,.45);opacity:0;transition:opacity .22s ease-out;}
  .drawer.is-open .drawer-mask{opacity:1;}
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:84vw;max-width:340px;
    background:var(--surface);padding:20px;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .22s ease-out;overflow-y:auto;
  }
  .drawer.is-open .drawer-panel{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer .nav-group{margin-top:18px;flex:1 1 auto;}
  .drawer-cta{margin-top:20px;}
  body.no-scroll{overflow:hidden;}

  /* ---------- 主体区域 ---------- */
  .main-area{
    width:100%;max-width:1160px;margin:0 auto;
    padding:28px 40px 0;flex:1 0 auto;
  }

  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:6px;
    font-size:13px;color:var(--muted);margin-bottom:14px;
  }
  .crumbs a{transition:color .18s ease-out;}
  .crumbs a:hover{color:var(--brand-700);}
  .crumbs .sep{color:#B9C2C8;}
  .crumbs .current{color:var(--brand-900);}

  /* ---------- 头图 ---------- */
  .hero-banner{
    position:relative;height:320px;border-radius:16px;overflow:hidden;
    box-shadow:var(--shadow-soft);background:var(--brand-900);
  }
  .hero-banner img{width:100%;height:100%;object-fit:cover;}
  .hero-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(20,52,77,.90) 0%,rgba(20,52,77,.70) 52%,rgba(20,52,77,.30) 100%);
  }
  .hero-copy{
    position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;
    justify-content:center;padding:0 48px;max-width:760px;color:#fff;
  }
  .hero-copy h1{
    font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.38;
    letter-spacing:-.01em;margin:14px 0 12px;color:#fff;
  }
  .hero-copy p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.92);max-width:620px;}

  /* ---------- 板块通用 ---------- */
  .section{margin-top:64px;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:16px;margin-bottom:24px;flex-wrap:wrap;
  }
  .section-title{
    position:relative;padding-left:14px;
    font-size:24px;font-weight:600;line-height:1.4;
    color:var(--brand-900);letter-spacing:-.01em;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
    border-radius:2px;background:var(--accent-600);
  }
  .section-desc{font-size:14px;color:var(--muted);margin-top:8px;padding-left:14px;}
  .link-more{
    font-size:14px;font-weight:500;color:var(--brand-700);
    display:inline-flex;align-items:center;gap:6px;min-height:44px;
    transition:color .18s ease-out;
  }
  .link-more:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 三列图文卡 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
  .card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);box-shadow:var(--shadow-soft);
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#D6DFE4;}
  .card-media{aspect-ratio:16/10;overflow:hidden;background:var(--accent-100);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:17px;font-weight:600;color:var(--brand-900);line-height:1.5;}
  .card-body p{font-size:14px;color:var(--muted);line-height:1.8;}

  /* ---------- 列表条目 ---------- */
  .row-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .row-item{
    display:flex;align-items:flex-start;gap:20px;
    padding:20px 18px;border-bottom:1px solid var(--line);border-radius:10px;
    transition:background-color .18s ease-out;
  }
  .row-item:hover{background:rgba(231,239,244,.6);}
  .row-num{
    font-size:20px;font-weight:300;color:var(--accent-600);
    line-height:1.5;min-width:36px;letter-spacing:.02em;
  }
  .row-text h3{font-size:16px;font-weight:600;color:var(--brand-900);margin-bottom:6px;line-height:1.55;}
  .row-text p{font-size:14px;color:var(--muted);line-height:1.8;}

  /* ---------- 流程步骤 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
  .step{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-soft);
    transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);}
  .step-num{font-size:26px;font-weight:300;color:var(--accent-600);line-height:1.2;letter-spacing:.02em;}
  .step h3{font-size:15px;font-weight:600;color:var(--brand-900);margin:12px 0 8px;line-height:1.5;}
  .step p{font-size:13px;color:var(--muted);line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:800px;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:12px;
    padding:0 20px;transition:box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .faq-item[open]{box-shadow:var(--shadow-soft);border-color:#D6DFE4;}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;font-size:16px;font-weight:500;color:var(--brand-900);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"";flex:none;width:11px;height:11px;margin-top:-4px;
    border-right:2px solid var(--accent-600);border-bottom:2px solid var(--accent-600);
    transform:rotate(45deg);transition:transform .2s ease-out;
  }
  .faq-item[open] summary::after{transform:rotate(225deg);margin-top:4px;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:8px;}
  .faq-item p{font-size:15px;line-height:1.85;color:var(--muted);padding-bottom:18px;}

  /* ---------- 转化区与表单 ---------- */
  .cta-box{
    background:var(--accent-100);border-radius:16px;padding:48px;
    display:grid;grid-template-columns:1fr 1fr;gap:48px;
  }
  .cta-copy h2{font-size:26px;font-weight:600;color:var(--brand-900);line-height:1.4;letter-spacing:-.01em;}
  .cta-copy > p{font-size:14px;color:#6E5B49;line-height:1.85;margin-top:12px;}
  .cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
  .cta-points li{position:relative;padding-left:22px;font-size:14px;color:#5A4A3B;line-height:1.7;}
  .cta-points li::before{
    content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
    border-radius:2px;background:var(--accent-600);transform:rotate(45deg);
  }
  .form-card{background:var(--surface);border-radius:14px;padding:26px;box-shadow:var(--shadow-soft);}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .field input,.field select,.field textarea{
    width:100%;min-height:44px;padding:10px 14px;
    border:1px solid var(--line);border-radius:10px;background:var(--surface);
    font-size:14px;color:var(--ink);
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .field textarea{min-height:104px;resize:vertical;line-height:1.7;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px var(--brand-100);
  }
  .form-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px;}
  .form-ok{
    display:none;background:var(--ok);color:#2C6B4A;border-radius:10px;
    padding:12px 14px;font-size:13px;line-height:1.7;margin-bottom:16px;
  }

  /* ---------- 交叉链接 ---------- */
  .cross-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
  .cross-card{
    display:block;background:var(--surface);border:1px solid var(--line);
    border-radius:12px;padding:18px 20px;
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft);border-color:#D6DFE4;}
  .cross-card:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .cross-card strong{display:block;font-size:14px;font-weight:600;color:var(--brand-900);line-height:1.5;}
  .cross-card span{display:block;font-size:12px;color:var(--muted);margin-top:6px;line-height:1.6;}
  .cross-card.is-current{border-color:var(--accent-600);background:#FCF8F3;}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--bg);border-top:1px solid var(--line);margin-top:72px;padding:56px 40px 28px;}
  .footer-inner{
    max-width:1040px;margin:0 auto;
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  }
  .footer h3{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:14px;line-height:1.5;}
  .footer .about{font-size:13px;color:var(--muted);line-height:1.85;margin:14px 0 12px;max-width:320px;}
  .kw-link{font-size:13px;font-weight:500;color:var(--brand-700);transition:color .18s ease-out;}
  .kw-link:hover{color:var(--accent-600);}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13px;color:var(--muted);transition:color .18s ease-out;min-height:22px;}
  .footer-links a:hover{color:var(--accent-600);}
  .footer-contact p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:8px;}
  .footer-note{font-size:12px;color:#8A949C;}
  .footer-bottom{
    max-width:1040px;margin:40px auto 0;padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:12px;color:var(--muted);
  }
  .footer-bottom .kw{color:#8A949C;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .main-area{padding:24px 32px 0;}
  }
  @media (max-width:1023px){
    .side-nav{display:none;}
    .mobile-bar{display:flex;}
    .main-area{padding:20px 24px 0;max-width:100%;}
    .hero-banner{height:300px;}
    .hero-copy{padding:0 28px;}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-box{grid-template-columns:1fr;padding:32px;gap:28px;}
    .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer{padding:44px 24px 24px;}
    .footer-inner{grid-template-columns:1fr 1fr;}
    .section{margin-top:56px;}
  }
  @media (max-width:639px){
    .main-area{padding:16px 16px 0;}
    .hero-banner{height:auto;min-height:300px;}
    .hero-banner img{position:absolute;inset:0;}
    .hero-banner::after{
      background:linear-gradient(180deg,rgba(20,52,77,.86) 0%,rgba(20,52,77,.80) 60%,rgba(20,52,77,.88) 100%);
    }
    .hero-copy{position:relative;padding:28px 22px;justify-content:flex-end;min-height:300px;max-width:none;}
    .hero-copy h1{font-size:22px;}
    .hero-copy p{font-size:14px;}
    .card-grid{grid-template-columns:1fr;gap:20px;}
    .steps{grid-template-columns:1fr;}
    .row-item{gap:14px;padding:18px 12px;}
    .section-title{font-size:21px;}
    .section{margin-top:48px;}
    .cta-box{padding:24px 20px;border-radius:14px;}
    .form-card{padding:20px;}
    .cross-grid{grid-template-columns:1fr;}
    .footer{padding:36px 16px 20px;margin-top:56px;}
    .footer-inner{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .btn{min-height:46px;}
    .cta-copy h2{font-size:22px;}
  }

/* roulang page: category3 */
:root{
    --brand-900:#14344D;
    --brand-700:#1F4E6B;
    --brand-100:#E7EFF4;
    --accent-600:#B0763F;
    --accent-600-dark:#98652F;
    --accent-100:#F3E7DA;
    --ink:#17242C;
    --muted:#5E6B74;
    --line:#E4E0D8;
    --bg:#F8F7F3;
    --surface:#FFFFFF;
    --ok-bg:#EAF3EE;
    --ok-text:#1F6B4B;
    --err:#B4432F;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-pic:12px;
    --shadow-soft:0 1px 2px rgba(23,36,44,.05), 0 10px 26px -14px rgba(23,36,44,.16);
    --shadow-lift:0 1px 2px rgba(23,36,44,.06), 0 18px 34px -18px rgba(23,36,44,.22);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    font-variant-numeric:tabular-nums;
  }
  body.no-scroll{overflow:hidden;}
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}

  /* ---------- 布局骨架 ---------- */
  .shell{display:block;}
  .main{min-width:0;}
  .content{
    max-width:1200px;
    margin:0 auto;
    padding:24px 20px 0;
  }
  .topbar{
    position:sticky;
    top:0;
    z-index:40;
    height:56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 16px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  .sidebar{display:none;}

  .logo-block{display:flex;flex-direction:column;gap:2px;padding:4px 0;}
  .logo-main{
    font-size:18px;
    font-weight:700;
    color:var(--brand-900);
    letter-spacing:-0.01em;
    line-height:1.3;
  }
  .logo-sub{
    font-size:12px;
    color:var(--muted);
    letter-spacing:.02em;
    line-height:1.3;
  }

  /* ---------- 导航 ---------- */
  .nav-group{display:flex;flex-direction:column;gap:4px;margin-top:22px;}
  .nav-label{
    font-size:12px;
    color:var(--muted);
    letter-spacing:.14em;
    padding:0 16px 8px;
  }
  .nav-link{
    position:relative;
    display:flex;
    align-items:center;
    min-height:44px;
    padding:0 16px;
    border-radius:10px;
    font-size:15px;
    color:var(--ink);
    transition:background-color .16s ease-out,color .16s ease-out;
  }
  .nav-link:hover{background:var(--brand-100);color:var(--brand-900);}
  .nav-link:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .nav-link.is-active{
    background:var(--brand-100);
    color:var(--brand-900);
    font-weight:600;
  }
  .nav-link.is-active::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    transform:translateY(-50%);
    width:3px;
    height:20px;
    border-radius:0 3px 3px 0;
    background:var(--accent-600);
  }

  .side-card{
    margin-top:24px;
    padding:18px;
    background:var(--accent-100);
    border-radius:var(--radius-card);
  }
  .side-card h2{
    font-size:14px;
    font-weight:600;
    color:var(--brand-900);
    letter-spacing:-0.005em;
  }
  .side-card p{
    margin-top:6px;
    font-size:12.5px;
    line-height:1.7;
    color:var(--muted);
  }
  .side-note{
    margin-top:auto;
    padding-top:20px;
    font-size:12.5px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ---------- 移动端抽屉 ---------- */
  .hamburger{
    width:44px;height:44px;
    display:inline-flex;align-items:center;justify-content:center;
    background:transparent;border:1px solid var(--line);border-radius:10px;
    cursor:pointer;transition:background-color .16s ease-out;
  }
  .hamburger:hover{background:var(--brand-100);}
  .hamburger:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .hamburger span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative;}
  .hamburger span::before,
  .hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);
  }
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}

  .nav-mask{
    position:fixed;inset:0;
    background:rgba(20,52,77,.4);
    opacity:0;visibility:hidden;
    transition:opacity .2s ease-out,visibility .2s ease-out;
    z-index:60;
  }
  .nav-mask.is-open{opacity:1;visibility:visible;}

  .drawer{
    position:fixed;top:0;right:0;
    width:84vw;max-width:340px;height:100vh;
    background:var(--surface);
    border-left:1px solid var(--line);
    padding:16px;
    display:flex;flex-direction:column;
    transform:translateX(100%);
    transition:transform .22s ease-out;
    z-index:70;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
  .drawer-close{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
    font-size:20px;line-height:1;color:var(--brand-900);
    transition:background-color .16s ease-out;
  }
  .drawer-close:hover{background:var(--brand-100);}
  .drawer-close:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}

  /* ---------- 面包屑 ---------- */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);
    margin-bottom:12px;
  }
  .crumbs a{transition:color .16s ease-out;}
  .crumbs a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
  .crumbs .sep{color:var(--line);}
  .crumbs .current{color:var(--brand-900);}

  /* ---------- 通用文字 ---------- */
  .tag{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    letter-spacing:.04em;
    color:var(--accent-600);
  }
  .badge{
    display:inline-flex;align-items:center;
    padding:4px 10px;
    border-radius:999px;
    font-size:12px;
    line-height:1.5;
    background:var(--accent-100);
    color:var(--accent-600);
    font-weight:500;
  }
  .badge-blue{background:var(--brand-100);color:var(--brand-700);}
  .lead{
    font-size:16px;
    line-height:1.85;
    color:var(--muted);
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;
    padding:0 20px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:500;
    letter-spacing:.01em;
    cursor:pointer;
    transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  }
  .btn-primary{background:var(--brand-900);color:#fff;}
  .btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-lift);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-soft);}
  .btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--brand-900);}
  .btn-ghost:hover{background:var(--brand-100);}
  .btn-accent{background:var(--accent-600);color:#fff;}
  .btn-accent:hover{background:var(--accent-600-dark);box-shadow:var(--shadow-lift);transform:translateY(-1px);}
  .btn-accent:active{transform:translateY(0);}
  .btn-block{width:100%;}
  .btn:focus-visible{outline:2px solid var(--brand-100);outline-offset:2px;box-shadow:0 0 0 2px var(--brand-900);}
  .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

  /* ---------- Hero ---------- */
  .hero{padding:8px 0 0;}
  .hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
  }
  .hero h1{
    margin-top:10px;
    font-size:27px;
    line-height:1.35;
    font-weight:700;
    letter-spacing:-0.01em;
    color:var(--brand-900);
  }
  .hero .lead{margin-top:14px;max-width:38em;}
  .hero-actions{
    display:flex;flex-direction:column;gap:12px;
    margin-top:24px;
  }
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:24px;
    margin-top:26px;
    padding-top:20px;
    border-top:1px solid var(--line);
  }
  .hero-stats li{display:flex;flex-direction:column;gap:2px;}
  .hero-stats strong{
    font-size:22px;
    font-weight:700;
    color:var(--brand-900);
    letter-spacing:-0.01em;
    font-variant-numeric:tabular-nums;
  }
  .hero-stats span{font-size:12px;color:var(--muted);line-height:1.6;}
  .hero-media{
    border-radius:16px;
    overflow:hidden;
    background:var(--surface);
    border:1px solid var(--line);
    box-shadow:var(--shadow-soft);
  }
  .hero-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
  }
  .hero-media figcaption{
    padding:12px 18px;
    font-size:12.5px;
    color:var(--muted);
    line-height:1.7;
    border-top:1px solid var(--line);
  }

  /* ---------- 板块 ---------- */
  .section{margin-top:56px;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px;}
  .section-title{
    position:relative;
    padding-left:14px;
    font-size:22px;
    font-weight:600;
    letter-spacing:-0.01em;
    color:var(--brand-900);
    line-height:1.4;
  }
  .section-title::before{
    content:"";
    position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:20px;border-radius:2px;background:var(--accent-600);
  }
  .section-desc{margin-top:8px;font-size:14px;color:var(--muted);padding-left:14px;}
  .more-link{
    font-size:14px;
    color:var(--brand-700);
    transition:color .16s ease-out;
  }
  .more-link:hover{text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 行列表 ---------- */
  .row-list{
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:var(--surface);
    box-shadow:var(--shadow-soft);
    overflow:hidden;
  }
  .row-item{
    display:grid;
    grid-template-columns:44px minmax(0,1fr);
    gap:14px;
    padding:20px 22px;
    border-bottom:1px solid var(--line);
    transition:background-color .16s ease-out;
  }
  .row-item:last-child{border-bottom:none;}
  .row-item:hover{background:rgba(231,239,244,.6);}
  .row-num{
    font-size:14px;
    font-weight:600;
    color:var(--accent-600);
    line-height:1.9;
    letter-spacing:.06em;
  }
  .row-item h3{font-size:16px;font-weight:600;color:var(--brand-900);}
  .row-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--muted);}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;}
  .timeline::before{
    content:"";
    position:absolute;
    left:17px;top:10px;bottom:10px;
    width:1px;
    background:var(--line);
  }
  .tl-item{
    position:relative;
    padding-left:52px;
    padding-bottom:32px;
  }
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute;left:0;top:0;
    width:36px;height:36px;
    display:flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:var(--surface);
    border:1px solid var(--line);
    font-size:12.5px;
    font-weight:600;
    color:var(--accent-600);
    letter-spacing:.04em;
    box-shadow:var(--shadow-soft);
  }
  .tl-body{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px;
    box-shadow:var(--shadow-soft);
    transition:box-shadow .18s ease-out,transform .18s ease-out;
  }
  .tl-body:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px);}
  .tl-body h3{font-size:16px;font-weight:600;color:var(--brand-900);}
  .tl-body p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted);}
  .tl-media{
    margin-top:16px;
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    align-items:center;
  }
  .tl-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--radius-pic);
  }
  .tl-media figcaption{font-size:12.5px;line-height:1.7;color:var(--muted);}

  /* ---------- 细节卡 ---------- */
  .detail-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  .detail-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow-soft);
    transition:box-shadow .18s ease-out,transform .18s ease-out;
  }
  .detail-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px);}
  .detail-card h3{margin-top:12px;font-size:16px;font-weight:600;color:var(--brand-900);}
  .detail-card p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--muted);}
  .detail-card .num{
    font-size:13px;
    font-weight:600;
    letter-spacing:.12em;
    color:var(--accent-600);
  }

  /* ---------- 深色提示带 ---------- */
  .dark-band{
    margin-top:56px;
    background:var(--brand-900);
    border-radius:16px;
    padding:32px 24px;
    color:#fff;
  }
  .dark-band h2{
    font-size:22px;
    font-weight:600;
    letter-spacing:-0.01em;
    line-height:1.45;
  }
  .dark-band .band-desc{
    margin-top:10px;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.72);
    max-width:44em;
  }
  .band-list{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    margin-top:24px;
  }
  .band-item{
    padding-top:16px;
    border-top:1px solid rgba(255,255,255,.16);
  }
  .band-item .band-num{
    font-size:12px;
    font-weight:600;
    letter-spacing:.12em;
    color:#E9C9A6;
  }
  .band-item h3{margin-top:6px;font-size:15.5px;font-weight:600;}
  .band-item p{margin-top:6px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:800px;}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:box-shadow .16s ease-out;
  }
  .faq-item:hover{box-shadow:var(--shadow-soft);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;
    padding:14px 20px;
    font-size:16px;
    font-weight:500;
    color:var(--brand-900);
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand-700);outline-offset:-2px;}
  .faq-icon{
    position:relative;
    flex:0 0 auto;
    width:14px;height:14px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";position:absolute;left:0;top:6px;width:14px;height:2px;background:var(--accent-600);
    transition:transform .2s ease-out,opacity .2s ease-out;
    border-radius:2px;
  }
  .faq-icon::after{transform:rotate(90deg);}
  .faq-item[open] .faq-icon::after{transform:rotate(0deg);opacity:0;}
  .faq-a{
    padding:0 20px 18px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }

  /* ---------- 交叉链接 ---------- */
  .xlink-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  .xlink-card{
    display:flex;flex-direction:column;gap:6px;
    padding:20px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-soft);
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .xlink-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#D7D1C5;}
  .xlink-card:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
  .xlink-card h3{font-size:15px;font-weight:600;color:var(--brand-900);}
  .xlink-card p{font-size:13px;line-height:1.75;color:var(--muted);}
  .xlink-arrow{
    margin-top:4px;
    font-size:13px;
    color:var(--brand-700);
    display:inline-flex;align-items:center;gap:6px;
    transition:transform .15s ease-out;
  }
  .xlink-card:hover .xlink-arrow{transform:translateX(2px);}

  /* ---------- CTA 表单 ---------- */
  .cta{
    margin-top:56px;
    background:var(--accent-100);
    border-radius:16px;
    padding:28px 22px;
  }
  .cta-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  .cta h2{
    font-size:23px;
    font-weight:600;
    color:var(--brand-900);
    letter-spacing:-0.01em;
    line-height:1.4;
  }
  .cta .cta-desc{margin-top:12px;font-size:14.5px;line-height:1.85;color:#5A5148;}
  .cta-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
  .cta-points li{
    position:relative;
    padding-left:18px;
    font-size:14px;
    line-height:1.75;
    color:#4F463D;
  }
  .cta-points li::before{
    content:"";
    position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:2px;
    background:var(--accent-600);
  }
  .form-card{
    background:var(--surface);
    border:1px solid rgba(176,118,63,.22);
    border-radius:var(--radius-card);
    padding:22px;
    box-shadow:var(--shadow-soft);
  }
  .field{margin-bottom:14px;}
  .field label{
    display:block;
    font-size:13px;
    color:var(--muted);
    margin-bottom:6px;
  }
  .field input,
  .field select,
  .field textarea{
    width:100%;
    min-height:44px;
    padding:10px 14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    font-size:14.5px;
    color:var(--ink);
    transition:border-color .16s ease-out,box-shadow .16s ease-out;
  }
  .field textarea{min-height:112px;resize:vertical;line-height:1.7;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--brand-700);
    box-shadow:0 0 0 3px var(--brand-100);
  }
  .field input::placeholder,
  .field textarea::placeholder{color:#9AA4AB;}
  .form-note{margin-top:10px;font-size:12px;line-height:1.7;color:var(--muted);}
  .form-ok{
    display:none;
    margin-top:14px;
    padding:12px 14px;
    border-radius:10px;
    background:var(--ok-bg);
    color:var(--ok-text);
    font-size:13.5px;
    line-height:1.7;
  }
  .form-ok.is-visible{display:block;}

  /* ---------- 页脚 ---------- */
  .footer{
    margin-top:72px;
    background:var(--bg);
    border-top:1px solid var(--line);
    padding-top:48px;
  }
  .footer-inner{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer h3{
    font-size:14px;
    font-weight:600;
    color:var(--brand-900);
    margin-bottom:14px;
    letter-spacing:.01em;
  }
  .footer .about{
    margin-top:12px;
    font-size:13px;
    line-height:1.85;
    color:var(--muted);
    max-width:30em;
  }
  .kw-link{
    display:inline-block;
    margin-top:14px;
    font-size:13px;
    color:var(--brand-700);
    transition:color .16s ease-out;
  }
  .kw-link:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:13.5px;
    color:var(--muted);
    transition:color .16s ease-out;
  }
  .footer-links a:hover{color:var(--accent-600);}
  .footer-contact p{font-size:13px;line-height:1.9;color:var(--muted);}
  .footer-note{margin-top:10px;font-size:12px;line-height:1.8;color:#8A939A;}
  .footer-bottom{
    max-width:1200px;
    margin:40px auto 0;
    padding:18px 20px 26px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:8px 24px;
    justify-content:space-between;
    font-size:12px;
    color:var(--muted);
  }

  /* ---------- 断点 ---------- */
  @media (min-width:640px){
    .content{padding:28px 28px 0;}
    .hero h1{font-size:31px;}
    .hero-actions{flex-direction:row;}
    .hero-actions .btn{min-width:170px;}
    .detail-grid{grid-template-columns:repeat(2,1fr);}
    .xlink-grid{grid-template-columns:repeat(2,1fr);}
    .band-list{grid-template-columns:repeat(2,1fr);}
    .footer-inner{grid-template-columns:repeat(2,1fr);padding:0 28px;}
    .footer-bottom{padding:18px 28px 26px;}
    .dark-band{padding:36px 32px;}
    .cta{padding:32px 28px;}
  }
  @media (min-width:768px){
    .tl-media{grid-template-columns:200px minmax(0,1fr);}
    .tl-media img{aspect-ratio:4/3;}
  }
  @media (min-width:1024px){
    .topbar{display:none;}
    .shell{display:grid;grid-template-columns:240px minmax(0,1fr);align-items:start;}
    .sidebar{
      display:flex;
      flex-direction:column;
      position:sticky;
      top:0;
      height:100vh;
      padding:22px 16px;
      background:var(--surface);
      border-right:1px solid var(--line);
      overflow-y:auto;
    }
    .content{padding:40px 40px 0;}
    .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,0.86fr);gap:40px;}
    .hero h1{font-size:34px;}
    .section{margin-top:88px;}
    .section-title{font-size:24px;}
    .detail-grid{grid-template-columns:repeat(3,1fr);}
    .xlink-grid{grid-template-columns:repeat(4,1fr);}
    .band-list{grid-template-columns:repeat(3,1fr);}
    .dark-band{padding:48px 44px;}
    .cta{padding:44px 40px;}
    .cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start;}
    .footer-inner{grid-template-columns:1.4fr 1fr 1fr 1.2fr;padding:0 40px;}
    .footer-bottom{padding:18px 40px 28px;}
  }
  @media (min-width:1280px){
    .content{padding:44px 48px 0;}
  }

/* roulang page: category4 */
:root{
    --brand-900:#14344D;
    --brand-700:#1F4E6B;
    --brand-100:#E7EFF4;
    --accent-600:#B0763F;
    --accent-700:#98652F;
    --accent-100:#F3E7DA;
    --ink:#17242C;
    --muted:#5E6B74;
    --line:#E4E0D8;
    --bg:#F8F7F3;
    --surface:#FFFFFF;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-hero:16px;
    --shadow-sm:0 1px 2px rgba(23,36,44,.05), 0 10px 26px -14px rgba(23,36,44,.16);
    --shadow-md:0 1px 2px rgba(23,36,44,.06), 0 18px 34px -18px rgba(23,36,44,.22);
    --space-section:88px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ul,ol{margin:0;padding:0;}
  ::selection{background:var(--brand-100);color:var(--brand-900);}

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--brand-700);
    outline-offset:2px;
    border-radius:6px;
  }

  .num{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

  /* ===== 骨架 ===== */
  .shell{display:flex;min-height:100vh;align-items:stretch;}
  .main-column{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
  .main{flex:1 1 auto;padding:28px 40px 0;}
  .wrap{width:100%;max-width:1200px;margin:0 auto;}

  /* ===== 侧栏 ===== */
  .sidebar{
    width:240px;flex:0 0 240px;
    background:var(--surface);
    border-right:1px solid var(--line);
    position:sticky;top:0;height:100vh;
    display:flex;flex-direction:column;
    padding:24px 18px 20px;
    overflow-y:auto;
  }
  .sidebar::-webkit-scrollbar{width:6px;}
  .sidebar::-webkit-scrollbar-thumb{background:#DCD8CF;border-radius:999px;}
  .logo-block{display:block;padding:0 6px 20px;}
  .logo-main{display:block;font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;line-height:1.35;}
  .logo-sub{display:block;font-size:12px;color:var(--muted);margin-top:3px;letter-spacing:.02em;}
  .nav-group{display:flex;flex-direction:column;gap:4px;}
  .nav-label{font-size:12px;color:var(--muted);padding:6px 16px 8px;letter-spacing:.14em;}
  .nav-link{
    position:relative;display:flex;align-items:center;
    min-height:44px;padding:0 16px;border-radius:10px;
    font-size:15px;color:var(--ink);
    transition:background-color .18s ease,color .18s ease;
  }
  .nav-link:hover{background:var(--brand-100);}
  .nav-link.is-active{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
    border-radius:2px;background:var(--accent-600);
  }
  .side-card{
    margin-top:auto;border:1px solid #EADBC8;border-radius:var(--radius-card);
    background:var(--accent-100);padding:16px;
  }
  .side-card-title{font-size:14px;font-weight:700;color:var(--brand-900);}
  .side-card-text{font-size:12.5px;line-height:1.7;color:#7A6650;margin-top:6px;}
  .side-contact{margin-top:16px;padding:0 4px;font-size:12px;line-height:1.9;color:var(--muted);word-break:break-all;}

  /* ===== 移动端导航 ===== */
  .mobile-bar{display:none;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
    background:var(--surface);border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .22s ease-out;
    z-index:120;padding:18px;display:flex;flex-direction:column;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
    background:var(--surface);cursor:pointer;transition:background-color .18s ease;
  }
  .icon-btn:hover{background:var(--brand-100);}
  .overlay{
    position:fixed;inset:0;background:rgba(23,36,44,.42);
    opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:110;
  }
  .overlay.is-open{opacity:1;visibility:visible;}
  body.no-scroll{overflow:hidden;}

  /* ===== 面包屑 ===== */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:6px 0 0;}
  .breadcrumb a{transition:color .18s ease;}
  .breadcrumb a:hover{color:var(--brand-700);}
  .breadcrumb .sep{color:#B9B3A8;}
  .breadcrumb .current{color:var(--brand-900);font-weight:500;}

  /* ===== Hero ===== */
  .page-hero{
    display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
    padding:26px 0 8px;
  }
  .hero-badge{margin-bottom:14px;display:inline-flex;}
  .page-hero h1{
    font-size:34px;line-height:1.32;font-weight:700;color:var(--brand-900);
    letter-spacing:-.012em;margin:0 0 16px;
  }
  .lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .page-hero-media{position:relative;}
  .page-hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--radius-hero);box-shadow:var(--shadow-sm);
  }
  .hero-chip{
    position:absolute;left:16px;bottom:16px;
    background:rgba(255,255,255,.94);border:1px solid var(--line);
    border-radius:10px;padding:8px 14px;font-size:12.5px;color:var(--brand-900);
    font-weight:600;box-shadow:var(--shadow-sm);
  }

  /* ===== 板块 ===== */
  .section{padding-top:var(--space-section);}
  .section-head{margin-bottom:26px;}
  .section-title{
    position:relative;padding-left:14px;
    font-size:26px;line-height:1.35;font-weight:600;color:var(--brand-900);
    letter-spacing:-.01em;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:6px;width:4px;height:20px;
    border-radius:2px;background:var(--accent-600);
  }
  .section-desc{font-size:14px;color:var(--muted);padding-left:14px;margin-top:8px;}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    text-align:center;line-height:1.4;
    transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--brand-900);color:#fff;}
  .btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-md);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
  .btn-outline{background:transparent;border-color:var(--brand-900);color:var(--brand-900);}
  .btn-outline:hover{background:var(--brand-100);}
  .btn-outline:active{transform:translateY(0);}
  .btn-accent{background:var(--accent-600);color:#fff;}
  .btn-accent:hover{background:var(--accent-700);box-shadow:var(--shadow-md);transform:translateY(-1px);}
  .btn-block{width:100%;}
  .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

  /* ===== 徽章 ===== */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.6;
    white-space:nowrap;
  }
  .badge-accent{background:var(--accent-100);color:var(--accent-600);}
  .badge-brand{background:var(--brand-100);color:var(--brand-700);}

  /* ===== 对照条 ===== */
  .compare-list{display:flex;flex-direction:column;gap:14px;}
  .compare-row{
    display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px 24px;box-shadow:var(--shadow-sm);
    transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  }
  .compare-row:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D6D0C4;}
  .compare-label{font-size:13px;font-weight:600;color:var(--brand-900);letter-spacing:.02em;}
  .compare-label .idx{
    display:block;font-family:"Inter",ui-sans-serif,sans-serif;
    font-size:20px;font-weight:700;color:var(--accent-600);line-height:1.2;margin-bottom:2px;
    font-variant-numeric:tabular-nums;
  }
  .compare-title{font-size:16.5px;font-weight:600;color:var(--brand-900);margin-bottom:6px;}
  .compare-text{font-size:14.5px;line-height:1.8;color:var(--muted);}

  /* ===== 2×2 小结卡 ===== */
  .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .summary-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px;box-shadow:var(--shadow-sm);
    transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  }
  .summary-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D6D0C4;}
  .summary-num{
    font-family:"Inter",ui-sans-serif,sans-serif;font-variant-numeric:tabular-nums;
    font-size:13px;font-weight:700;color:var(--accent-600);letter-spacing:.08em;
  }
  .summary-card h3{font-size:17px;font-weight:600;color:var(--brand-900);margin:8px 0 8px;}
  .summary-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
  .summary-tag{margin-top:14px;}

  /* ===== 图文区 ===== */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
  .split-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:12px;box-shadow:var(--shadow-sm);
  }
  .split-body h3{font-size:20px;font-weight:600;color:var(--brand-900);margin-bottom:12px;}
  .split-body > p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:18px;}
  .check-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
  .check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink);}
  .check-list li::before{
    content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;
    border-radius:2px;background:var(--accent-600);
  }

  /* ===== FAQ ===== */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:820px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:12px;
    overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{border-color:#D6D0C4;}
  .faq-item[open]{border-color:#CBD8E0;box-shadow:var(--shadow-sm);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:12px 20px;font-size:16px;font-weight:500;color:var(--brand-900);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-size:20px;font-weight:400;color:var(--accent-600);
    line-height:1;transition:transform .2s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-body{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ===== 交叉链接 ===== */
  .cross-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
  .cross-card{
    display:block;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-sm);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .cross-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6D0C4;}
  .cross-card .cross-title{font-size:15px;font-weight:600;color:var(--brand-900);}
  .cross-card .cross-sub{font-size:12.5px;color:var(--muted);margin-top:6px;}
  .cross-card .cross-arrow{
    display:inline-block;margin-top:12px;font-size:13px;color:var(--brand-700);
    transition:transform .18s ease;
  }
  .cross-card:hover .cross-arrow{transform:translateX(3px);}

  /* ===== CTA / 表单 ===== */
  .cta-card{
    background:var(--accent-100);border:1px solid #EADBC8;border-radius:var(--radius-hero);
    padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  }
  .cta-card h2{font-size:26px;line-height:1.4;font-weight:600;color:var(--brand-900);letter-spacing:-.01em;}
  .cta-card .cta-text{font-size:15px;line-height:1.85;color:#6E5B45;margin-top:12px;}
  .cta-points{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:20px;}
  .cta-points li{display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:#5E4C38;}
  .cta-points li::before{
    content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:999px;
    background:var(--accent-600);
  }
  .form-card{
    background:var(--surface);border:1px solid #EADBC8;border-radius:var(--radius-card);
    padding:26px;box-shadow:var(--shadow-sm);
  }
  .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
  .field label{font-size:13px;color:var(--muted);}
  .field input,.field select,.field textarea{
    width:100%;min-height:44px;padding:0 14px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
    font-size:15px;color:var(--ink);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px var(--brand-100);
  }
  .form-note{font-size:12px;line-height:1.7;color:var(--muted);margin-top:12px;}
  .form-success{
    display:none;background:#EAF3EE;border:1px solid #CBE1D5;color:#2C5A42;
    border-radius:10px;padding:12px 14px;font-size:13.5px;line-height:1.7;margin-bottom:16px;
  }
  .form-success.is-visible{display:block;}

  /* ===== 页脚 ===== */
  .footer{background:var(--bg);border-top:1px solid var(--line);margin-top:88px;padding-top:56px;}
  .footer-inner{
    max-width:1200px;margin:0 auto;padding:0 40px;
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  }
  .footer .about{font-size:13.5px;line-height:1.85;color:var(--muted);margin-top:12px;max-width:300px;}
  .kw-link{
    display:inline-block;margin-top:14px;font-size:13px;color:var(--brand-700);
    border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
  }
  .kw-link:hover{color:var(--accent-600);border-color:var(--accent-600);}
  .footer h3{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13.5px;color:var(--muted);transition:color .18s ease;}
  .footer-links a:hover{color:var(--accent-600);}
  .footer-contact p{font-size:13px;line-height:1.9;color:var(--muted);word-break:break-all;}
  .footer-note{font-size:12px;color:#8A8578;margin-top:10px;line-height:1.8;}
  .footer-bottom{
    max-width:1200px;margin:44px auto 0;padding:20px 40px 26px;
    border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12px;color:#8A8578;
  }
  .footer-bottom .kw{color:#9C9789;}

  /* ===== 响应式 ===== */
  @media (max-width:1279px){
    .main{padding:26px 32px 0;}
    .footer-inner,.footer-bottom{padding-left:32px;padding-right:32px;}
  }
  @media (max-width:1023px){
    .shell{display:block;}
    .sidebar{display:none;}
    .mobile-bar{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      height:56px;padding:0 16px;background:var(--surface);
      border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;
    }
    .mobile-bar .logo-main{font-size:16px;}
    .mobile-bar .logo-sub{font-size:11px;}
    .main{padding:20px 18px 0;}
    .page-hero{grid-template-columns:1fr;gap:26px;padding-top:20px;}
    .page-hero h1{font-size:28px;}
    .cta-card{grid-template-columns:1fr;padding:30px;gap:28px;}
    .split{grid-template-columns:1fr;gap:26px;}
    .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer{margin-top:64px;}
    .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:0 18px;}
    .footer-bottom{padding:18px 18px 24px;margin-top:32px;}
    :root{--space-section:64px;}
  }
  @media (max-width:767px){
    .compare-row{grid-template-columns:1fr;gap:10px;padding:18px 18px;}
    .compare-row .badge{align-self:flex-start;}
    .grid-2{grid-template-columns:1fr;}
    .section-title{font-size:22px;}
    .page-hero h1{font-size:25px;}
    .lead{font-size:15px;}
    .hero-actions{gap:10px;}
    .hero-actions .btn{width:100%;}
    .cta-card h2{font-size:22px;}
    :root{--space-section:48px;}
  }
  @media (max-width:520px){
    .cross-grid{grid-template-columns:1fr;}
    .footer-inner{grid-template-columns:1fr;}
    .form-card{padding:20px;}
    .cta-card{padding:22px;}
  }
  @media (min-width:1024px){
    .drawer,.overlay{display:none !important;}
  }