/* roulang page: index */
:root{
    --brand:#0F5B4E;
    --brand-dark:#0B4438;
    --brand-soft:#1F7A68;
    --accent:#E07B39;
    --base:#FAF9F6;
    --surface:#EFF3F0;
    --card:#FFFFFF;
    --ink:#17221E;
    --muted:#5E6E68;
    --line:#DCE3DF;
    --ok:#2E7D5B;
    --warn:#C9822B;
    --err:#B4453A;
    --r-card:14px;
    --r-btn:10px;
    --r-field:12px;
    --shadow-card:0 1px 2px rgba(23,34,30,.05), 0 8px 24px rgba(23,34,30,.06);
    --shadow-hover:0 2px 4px rgba(23,34,30,.06), 0 14px 32px rgba(23,34,30,.10);
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--base);
    color:var(--ink);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size:17px;
    line-height:1.8;
    padding-bottom:64px;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
  p{margin:0 0 1em;}
  p:last-child{margin-bottom:0;}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
  a:hover{color:var(--accent);}
  img{display:block;max-width:100%;}
  button{font:inherit;cursor:pointer;}
  input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
  .section{padding-top:88px;padding-bottom:88px;}
  .section-tight{padding-top:64px;padding-bottom:64px;}
  .section-line{border-top:1px solid var(--line);}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
  .section-title{position:relative;padding-left:14px;font-size:30px;}
  .section-title::before{content:"";position:absolute;left:0;top:6px;width:3px;height:22px;background:var(--brand);border-radius:2px;}
  .section-desc{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
  .link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
  .link-more span{transition:transform .18s ease-out;display:inline-block;}
  .link-more:hover span{transform:translateX(3px);}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:rgba(250,249,246,.94);
    backdrop-filter:saturate(150%) blur(10px);
    border-bottom:1px solid transparent;
    transition:box-shadow .2s ease-out, border-color .2s ease-out, background .2s ease-out;
  }
  .site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(23,34,30,.07);}
  .nav-inner{display:flex;align-items:center;gap:20px;height:76px;}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
  .brand:hover{color:var(--ink);}
  .brand-mark{
    width:38px;height:38px;border-radius:10px;flex:0 0 auto;
    background:linear-gradient(150deg,var(--brand) 0%,var(--brand-soft) 100%);
    color:#fff;display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 14px rgba(15,91,78,.22);
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;}
  .nav-search{
    flex:1 1 auto;max-width:520px;min-width:180px;
    display:flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:5px 5px 5px 16px;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .nav-search:focus-within{border-color:var(--brand);box-shadow:0 4px 16px rgba(15,91,78,.12);}
  .nav-search svg{width:18px;height:18px;color:var(--muted);flex:0 0 auto;}
  .nav-search input{
    flex:1 1 auto;border:0;outline:none;background:transparent;
    font-size:15px;color:var(--ink);min-width:0;padding:8px 0;
  }
  .nav-search input::placeholder{color:var(--muted);}
  .nav-search button{
    border:0;background:var(--accent);color:#fff;font-size:14px;font-weight:600;
    border-radius:999px;padding:9px 18px;min-height:36px;
    transition:background .18s ease-out, transform .18s ease-out;
  }
  .nav-search button:hover{background:#c9691f;}
  .nav-search button:active{transform:scale(.97);}
  .nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:var(--ink);
    padding:9px 12px;border-radius:8px;transition:background .18s ease-out,color .18s ease-out;
  }
  .nav-link:hover{background:var(--surface);color:var(--brand);}
  .nav-link.is-active{color:var(--brand);font-weight:700;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--accent);border-radius:2px;
  }
  .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .menu-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
    border-radius:10px;align-items:center;justify-content:center;color:var(--ink);
  }
  .menu-toggle svg{width:20px;height:20px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
    padding:14px 24px;min-height:44px;border:1px solid transparent;
    transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,123,57,.24);}
  .btn-primary:hover{background:#c9691f;color:#fff;box-shadow:0 8px 20px rgba(224,123,57,.3);}
  .btn-brand{background:var(--brand);color:#fff;}
  .btn-brand:hover{background:var(--brand-dark);color:#fff;}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand);}
  .btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
  .btn-block{width:100%;}

  .mobile-search{display:none;padding:0 24px 14px;}
  .mobile-search form{
    display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:5px 5px 5px 16px;
  }
  .mobile-search input{flex:1 1 auto;border:0;outline:none;background:transparent;font-size:15px;padding:8px 0;min-width:0;color:var(--ink);}
  .mobile-search button{border:0;background:var(--accent);color:#fff;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;}
  .mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 24px 20px;}
  .mobile-drawer.is-open{display:block;}
  .mobile-drawer a{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 4px;font-size:16px;font-weight:500;color:var(--ink);
    border-bottom:1px solid var(--line);min-height:52px;
  }
  .mobile-drawer a:last-of-type{border-bottom:0;}
  .mobile-drawer a.is-active{color:var(--brand);font-weight:700;}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FAF9F6 0%,#EFF3F0 100%);border-bottom:1px solid var(--line);}
  .hero::after{
    content:"";position:absolute;right:-6%;top:-14%;width:54%;height:128%;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity:.10;pointer-events:none;border-radius:48px;
  }
  .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:80px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:var(--brand);background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:6px 14px;margin-bottom:20px;
  }
  .hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;}
  .hero h1{font-size:40px;letter-spacing:-.015em;}
  .hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:560px;line-height:1.85;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
  .hero-note{margin-top:16px;font-size:12px;color:var(--muted);letter-spacing:.02em;}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-points span{
    font-size:13px;color:var(--brand);background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:6px 13px;
  }

  .login-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);padding:26px;
  }
  .login-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
  .login-card-title{font-size:16px;font-weight:700;}
  .login-card-badge{font-size:12px;color:var(--brand);background:rgba(15,91,78,.08);border-radius:999px;padding:4px 10px;}
  .login-field{margin-bottom:14px;}
  .login-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .login-field .fake-input{
    height:48px;border:1px solid var(--line);border-radius:var(--r-field);
    display:flex;align-items:center;padding:0 14px;font-size:15px;color:var(--muted);
    background:#fff;
  }
  .login-split{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin:4px 0 18px;}
  .login-foot{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.7;}
  .login-thumb{
    margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--surface);
  }
  .login-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}

  /* ============ 卖点三连 ============ */
  .point-row{
    display:grid;grid-template-columns:repeat(3,1fr);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .point{padding:34px 30px;border-left:1px solid var(--line);}
  .point:first-child{border-left:0;}
  .point-num{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:.12em;}
  .point-icon{
    width:40px;height:40px;border-radius:10px;background:rgba(15,91,78,.08);color:var(--brand);
    display:flex;align-items:center;justify-content:center;margin:14px 0 16px;
  }
  .point-icon svg{width:22px;height:22px;}
  .point h3{font-size:20px;margin-bottom:10px;}
  .point p{font-size:15px;color:var(--muted);line-height:1.8;margin:0;}

  /* ============ 场景 zigzag ============ */
  .zig{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
  .zig + .zig{margin-top:72px;}
  .zig-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--surface);}
  .zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s ease-out;}
  .zig-media:hover img{transform:scale(1.03);}
  .zig.reverse .zig-media{order:2;}
  .zig h3{font-size:24px;margin-bottom:14px;}
  .zig p{color:var(--muted);font-size:16px;}
  .zig-list{margin:18px 0 22px;}
  .zig-list li{
    position:relative;padding-left:20px;font-size:15px;color:var(--ink);
    margin-bottom:10px;line-height:1.75;
  }
  .zig-list li::before{
    content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
    background:var(--brand-soft);
  }
  .zig-tag{
    display:inline-block;font-size:13px;color:var(--brand);background:rgba(15,91,78,.08);
    border-radius:999px;padding:4px 12px;margin-bottom:12px;
  }

  /* ============ 社会认同 ============ */
  .stats-bar{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  }
  .stat{background:#fff;padding:28px 24px;}
  .stat-num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand);line-height:1;letter-spacing:-.02em;}
  .stat-num small{font-size:14px;font-weight:600;margin-left:4px;}
  .stat-label{display:block;margin-top:10px;font-size:14px;color:var(--muted);line-height:1.6;}
  .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:32px;}
  .quote{
    background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
    border-radius:12px;padding:22px 24px;
  }
  .quote p{font-size:15px;color:var(--ink);line-height:1.85;}
  .quote cite{display:block;margin-top:14px;font-size:13px;color:var(--muted);font-style:normal;}

  /* ============ 内容卡片 ============ */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
  .card-media{position:relative;background:var(--surface);}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-badge{
    position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;color:#8a4a12;
    background:rgba(224,123,57,.16);border-radius:999px;padding:4px 11px;backdrop-filter:blur(4px);
  }
  .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
  .card-title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-title a{color:var(--ink);}
  .card:hover .card-title a{color:var(--brand);}
  .card-text{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto;}
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .card-arrow{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:var(--brand);}
  .card-arrow span{transition:transform .18s ease-out;display:inline-block;}
  .card:hover .card-arrow span{transform:translateX(3px);}
  .post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .empty-state{
    min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:14px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
    color:var(--muted);font-size:15px;padding:40px 24px;
  }
  .empty-state svg{width:40px;height:40px;color:var(--brand-soft);opacity:.7;}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
    transition:border-color .18s ease-out;
  }
  .faq-item[open]{border-left:3px solid var(--accent);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16px;font-weight:600;min-height:44px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-arrow{width:18px;height:18px;flex:0 0 auto;color:var(--brand);transition:transform .2s ease-out;}
  .faq-item[open] .faq-arrow{transform:rotate(180deg);}
  .faq-answer{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85;}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-card);
    background:linear-gradient(140deg,var(--brand-dark) 0%,var(--brand) 62%,var(--brand-soft) 100%);
    color:#fff;padding:52px 48px;
  }
  .cta-band::after{
    content:"";position:absolute;right:-8%;top:-40%;width:46%;height:180%;
    background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.10;border-radius:40px;
  }
  .cta-band h2{position:relative;font-size:28px;color:#fff;}
  .cta-band p{position:relative;margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;max-width:640px;}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .cta-actions .btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.35);color:#fff;}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-dark);color:rgba(255,255,255,.72);margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
  .footer-brand .brand-mark{box-shadow:none;background:rgba(255,255,255,.14);}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-col a:hover{color:#fff;text-decoration:underline;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding:22px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.58);
  }
  .footer-bottom .mono{font-family:var(--mono);}

  /* ============ 底部固定转化条 ============ */
  .sticky-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    height:64px;padding:0 16px;background:var(--brand-dark);color:#fff;
    box-shadow:0 -6px 20px rgba(23,34,30,.16);
  }
  .sticky-bar.is-closed{display:none;}
  .sticky-text{font-size:14px;color:rgba(255,255,255,.86);}
  .sticky-actions{display:flex;align-items:center;gap:8px;}
  .sticky-close{
    width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
    background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;
  }
  .sticky-close:hover{background:rgba(255,255,255,.14);}
  .sticky-close svg{width:14px;height:14px;}

  /* ============ 响应式 ============ */
  @media (max-width:1199px){
    .hero-inner{gap:40px;}
  }
  @media (max-width:1023px){
    .nav-search{display:none;}
    .nav-links{display:none;}
    .menu-toggle{display:inline-flex;}
    .mobile-search{display:block;padding-left:24px;padding-right:24px;}
    .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:52px;padding-bottom:56px;}
    .hero::after{width:80%;right:-20%;opacity:.07;}
    .hero h1{font-size:32px;}
    .section{padding-top:64px;padding-bottom:64px;}
    .point-row{grid-template-columns:1fr;}
    .point{border-left:0;border-top:1px solid var(--line);padding:26px 4px;}
    .point:first-child{border-top:0;}
    .stats-bar{grid-template-columns:repeat(2,1fr);}
    .quote-grid{grid-template-columns:1fr;}
    .post-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
    .cta-band{padding:40px 28px;}
  }
  @media (max-width:767px){
    body{font-size:16px;padding-bottom:64px;}
    .container{padding-left:16px;padding-right:16px;}
    .mobile-search{padding-left:16px;padding-right:16px;}
    .mobile-drawer{padding-left:16px;padding-right:16px;}
    .hero h1{font-size:28px;}
    .section-title{font-size:24px;}
    .zig{grid-template-columns:1fr;gap:24px;}
    .zig.reverse .zig-media{order:0;}
    .zig + .zig{margin-top:48px;}
    .zig h3{font-size:20px;}
    .post-grid{grid-template-columns:1fr;}
    .stats-bar{grid-template-columns:1fr 1fr;}
    .stat{padding:22px 18px;}
    .stat-num{font-size:26px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .sticky-text{font-size:13px;}
  }
  @media (max-width:519px){
    .hero-actions .btn{width:100%;}
    .cta-actions .btn{width:100%;}
    .stats-bar{grid-template-columns:1fr;}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none !important;}
    .mobile-search{display:none;}
  }
  @media (min-width:768px){
    body{padding-bottom:0;}
    .sticky-bar{opacity:0;pointer-events:none;transform:translateY(100%);transition:opacity .22s ease-out, transform .22s ease-out;}
    .sticky-bar.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category1 */
:root{
    --brand:#0F5B4E;
    --brand-dark:#0B4438;
    --brand-soft:#1F7A68;
    --accent:#E07B39;
    --base:#FAF9F6;
    --surface:#EFF3F0;
    --card:#FFFFFF;
    --ink:#17221E;
    --muted:#5E6E68;
    --line:#DCE3DF;
    --ok:#2E7D5B;
    --warn:#C9822B;
    --err:#B4453A;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-field:12px;
    --sh-1:0 1px 2px rgba(23,34,30,.05), 0 8px 24px rgba(23,34,30,.06);
    --sh-2:0 2px 4px rgba(23,34,30,.06), 0 14px 32px rgba(23,34,30,.10);
    --font-cn:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
    --font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }

  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  html body{
    margin:0;
    padding:0 0 104px;
    font-family:var(--font-cn);
    font-size:17px;
    line-height:1.8;
    color:var(--ink);
    background:var(--base);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{ max-width:100%; display:block; border-style:none; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  h1,h2,h3,h4,p{ margin:0; }
  h1,h2,h3,h4{ line-height:1.3; font-weight:700; color:var(--ink); }
  p{ margin:0 0 1em; }
  p:last-child{ margin-bottom:0; }
  .mono{ font-family:var(--font-mono); }
  :focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:6px; }

  .container{ width:100%; max-width:1200px; margin:0 auto; padding:0 24px; }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky; top:0; z-index:80;
    background:rgba(250,249,246,.94);
    backdrop-filter:saturate(140%) blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{ box-shadow:0 6px 22px rgba(23,34,30,.08); }
  .nav-inner{ display:flex; align-items:center; gap:18px; height:74px; }
  .brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .brand-mark{
    width:36px; height:36px; border-radius:11px;
    background:linear-gradient(140deg, var(--brand), var(--brand-soft));
    color:#fff; display:grid; place-items:center; flex:0 0 auto;
  }
  .brand-text{ display:flex; flex-direction:column; line-height:1.18; }
  .brand-text strong{ font-size:16px; letter-spacing:.3px; }
  .brand-text span{ font-size:10.5px; color:var(--muted); letter-spacing:.15em; }

  .nav-search{ position:relative; flex:1 1 auto; max-width:520px; display:flex; align-items:center; }
  .nav-search .search-icon{
    position:absolute; left:14px; width:18px; height:18px; color:var(--muted); pointer-events:none;
  }
  .nav-search input{
    width:100%; height:44px; border-radius:999px;
    border:1px solid var(--line); background:#fff; color:var(--ink);
    padding:0 106px 0 40px; font-size:15px; font-family:inherit;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .nav-search input::placeholder{ color:var(--muted); }
  .nav-search input:focus{
    outline:none; border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(15,91,78,.13);
  }
  .nav-search .search-submit{
    position:absolute; right:5px; height:34px; padding:0 16px;
    border:0; border-radius:999px; background:var(--accent); color:#fff;
    font-size:14px; cursor:pointer; transition:background .18s ease-out, transform .18s ease-out;
  }
  .nav-search .search-submit:hover{ background:#c96a2e; }
  .nav-search .search-submit:active{ transform:translateY(1px); }

  .nav-links{ display:flex; align-items:center; gap:4px; margin-left:auto; }
  .nav-link{
    padding:8px 12px; border-radius:10px; font-size:15px; color:var(--muted);
    transition:color .18s ease-out, background .18s ease-out;
  }
  .nav-link:hover{ color:var(--brand); background:var(--surface); }
  .nav-link.is-active{ color:var(--brand); background:rgba(15,91,78,.09); font-weight:600; }

  .btn-login{
    flex:0 0 auto; height:42px; padding:0 18px; display:inline-flex; align-items:center;
    border-radius:var(--radius-btn); background:var(--brand); color:#fff;
    font-size:14.5px; font-weight:600;
    transition:background .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out;
  }
  .btn-login:hover{ background:var(--brand-dark); box-shadow:var(--sh-1); }
  .btn-login:active{ transform:translateY(1px); }

  .nav-toggle{
    display:none; width:44px; height:44px; border:1px solid var(--line); border-radius:12px;
    background:#fff; color:var(--brand); cursor:pointer; place-items:center;
  }
  .nav-toggle svg{ width:20px; height:20px; }

  .nav-search-mobile{ display:none; padding:0 0 14px; }
  .nav-search-mobile .nav-search{ max-width:none; }

  .mobile-drawer{ display:none; border-top:1px solid var(--line); background:#fff; }
  .mobile-drawer.is-open{ display:block; }
  .mobile-drawer ul{ padding:10px 24px 18px; }
  .mobile-drawer li + li{ border-top:1px solid var(--line); }
  .mobile-drawer a{ display:block; padding:14px 2px; font-size:16px; color:var(--ink); }
  .mobile-drawer a.is-active{ color:var(--brand); font-weight:600; }

  /* ---------- 窄幅 Banner ---------- */
  .cat-banner{ position:relative; overflow:hidden; color:#fff; }
  .cat-banner::before{
    content:"";
    position:absolute; inset:0;
    background:
      linear-gradient(115deg, rgba(11,68,56,.90) 0%, rgba(15,91,78,.76) 55%, rgba(31,122,104,.66) 100%),
      url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  }
  .cat-banner .banner-inner{
    position:relative; z-index:1;
    padding:34px 0 46px; min-height:248px;
    display:flex; flex-direction:column; justify-content:center;
  }
  .breadcrumb{ display:flex; align-items:center; gap:8px; font-size:13px; color:rgba(255,255,255,.78); margin-bottom:22px; }
  .breadcrumb a:hover{ color:#fff; text-decoration:underline; }
  .breadcrumb .sep{ opacity:.6; }
  .breadcrumb .current{ color:#fff; }
  .banner-tag{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; letter-spacing:.08em; padding:5px 12px; border-radius:999px;
    background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.22);
    color:#fff; margin-bottom:16px; width:fit-content;
  }
  .cat-banner h1{
    font-size:clamp(26px, 3.4vw, 40px); color:#fff; letter-spacing:.4px; margin-bottom:12px;
  }
  .cat-banner .banner-sub{
    font-size:16px; line-height:1.75; color:rgba(255,255,255,.86); max-width:720px; margin:0;
  }

  /* ---------- 通用板块 ---------- */
  .section{ padding:64px 0; }
  .section--tight{ padding:52px 0; }
  .section-head{ margin-bottom:28px; }
  .section-head h2{
    display:flex; align-items:center; gap:12px;
    font-size:clamp(22px, 2.4vw, 30px);
  }
  .section-head h2::before{
    content:""; width:3px; height:20px; border-radius:2px; background:var(--brand); flex:0 0 auto;
  }
  .section-head .sub{ margin-top:10px; color:var(--muted); font-size:16px; max-width:760px; }

  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:48px; padding:0 22px; border-radius:var(--radius-btn);
    font-size:16px; font-weight:600; cursor:pointer; border:1px solid transparent;
    transition:background .18s ease-out, color .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out, transform .18s ease-out;
  }
  .btn-sm{ min-height:40px; padding:0 16px; font-size:14.5px; }
  .btn-primary{ background:var(--accent); color:#fff; }
  .btn-primary:hover{ background:#c96a2e; box-shadow:var(--sh-1); }
  .btn-primary:active{ transform:translateY(1px); }
  .btn-solid{ background:var(--brand); color:#fff; }
  .btn-solid:hover{ background:var(--brand-dark); box-shadow:var(--sh-1); }
  .btn-ghost{ background:transparent; color:var(--brand); border-color:var(--line); }
  .btn-ghost:hover{ border-color:var(--brand-soft); background:var(--surface); }
  .btn-ghost-white{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
  .btn-ghost-white:hover{ background:rgba(255,255,255,.14); border-color:#fff; }

  .text-link{
    display:inline-flex; align-items:center; gap:6px;
    color:var(--brand); font-size:14.5px; font-weight:600;
  }
  .text-link svg{ width:14px; height:14px; transition:transform .18s ease-out; }
  .text-link:hover{ color:var(--accent); }
  .text-link:hover svg{ transform:translateX(3px); }

  /* ---------- 导语 ---------- */
  .lead-block{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .lead-grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:40px; align-items:start; }
  .lead-grid p{ font-size:17px; line-height:1.85; color:#2b352f; }
  .lead-note{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    padding:22px 22px 20px; box-shadow:var(--sh-1);
  }
  .lead-note h3{ font-size:18px; margin-bottom:12px; }
  .lead-note ul li{
    position:relative; padding-left:18px; font-size:15px; color:var(--muted); line-height:1.8;
  }
  .lead-note ul li + li{ margin-top:8px; }
  .lead-note ul li::before{
    content:""; position:absolute; left:0; top:11px; width:6px; height:6px; border-radius:50%; background:var(--brand-soft);
  }

  /* ---------- 入口卡片网格 ---------- */
  .entry-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
  .entry-card{
    display:grid; grid-template-columns:150px 1fr; gap:18px;
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card);
    padding:18px; box-shadow:var(--sh-1);
    transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
  }
  .entry-card:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); border-color:var(--brand-soft); }
  .entry-figure{
    position:relative; border-radius:12px; overflow:hidden; background:var(--surface);
    aspect-ratio:4 / 3;
  }
  .entry-figure img{ width:100%; height:100%; object-fit:cover; transition:transform .22s ease-out; }
  .entry-card:hover .entry-figure img{ transform:scale(1.03); }
  .entry-badge{
    position:absolute; left:8px; top:8px; z-index:2;
    font-size:12px; line-height:1; padding:5px 9px; border-radius:999px;
    background:rgba(224,123,57,.92); color:#fff; font-weight:600;
  }
  .entry-body{ display:flex; flex-direction:column; }
  .entry-body h3{ font-size:19px; margin-bottom:8px; }
  .entry-body p{ font-size:14.8px; line-height:1.75; color:var(--muted); margin-bottom:14px;
    display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
  .entry-body .text-link{ margin-top:auto; }

  /* ---------- 编号要点清单 ---------- */
  .steps-panel{
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card);
    box-shadow:var(--sh-1); padding:10px 26px;
  }
  .steps-list li{
    display:flex; align-items:flex-start; gap:18px; padding:22px 0;
  }
  .steps-list li + li{ border-top:1px solid var(--line); }
  .steps-num{
    font-family:var(--font-mono); font-size:14px; color:var(--accent);
    letter-spacing:.08em; padding-top:2px; flex:0 0 auto; min-width:34px;
  }
  .steps-content h3{ font-size:18px; margin-bottom:6px; }
  .steps-content p{ font-size:15px; color:var(--muted); line-height:1.78; margin:0; }

  /* ---------- FAQ ---------- */
  .faq-list{ display:flex; flex-direction:column; gap:14px; max-width:900px; }
  .faq-item{
    background:var(--card); border:1px solid var(--line); border-radius:12px;
    transition:border-color .18s ease-out, box-shadow .18s ease-out;
  }
  .faq-item[open]{ border-color:var(--brand-soft); box-shadow:var(--sh-1); position:relative; }
  .faq-item[open]::before{
    content:""; position:absolute; left:0; top:14px; bottom:14px; width:3px; border-radius:3px; background:var(--accent);
  }
  .faq-item summary{
    list-style:none; cursor:pointer; padding:18px 52px 18px 22px; position:relative;
    font-size:16.5px; font-weight:600; color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content:""; position:absolute; right:22px; top:50%; width:9px; height:9px;
    border-right:2px solid var(--muted); border-bottom:2px solid var(--muted);
    transform:translateY(-70%) rotate(45deg); transition:transform .2s ease-out;
  }
  .faq-item[open] summary::after{ transform:translateY(-20%) rotate(-135deg); border-color:var(--brand); }
  .faq-answer{ padding:0 22px 20px; font-size:15px; color:var(--muted); line-height:1.82; }

  /* ---------- CTA 区块 ---------- */
  .cta-block{
    position:relative; overflow:hidden; color:#fff; border-radius:18px;
    padding:46px 40px; box-shadow:var(--sh-2);
  }
  .cta-block::before{
    content:""; position:absolute; inset:0;
    background:
      linear-gradient(110deg, rgba(11,68,56,.95), rgba(15,91,78,.86)),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  }
  .cta-inner{ position:relative; z-index:1; display:flex; align-items:center; gap:32px; justify-content:space-between; }
  .cta-inner h2{ color:#fff; font-size:clamp(21px, 2.4vw, 27px); margin-bottom:10px; }
  .cta-inner p{ color:rgba(255,255,255,.85); font-size:15.5px; margin:0; max-width:620px; }
  .cta-actions{ display:flex; gap:12px; flex:0 0 auto; flex-wrap:wrap; }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--brand-dark); color:rgba(255,255,255,.72); padding:56px 0 22px; margin-top:8px; }
  .footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:36px; }
  .footer-brand{ display:flex; align-items:center; gap:10px; color:#fff; font-size:17px; font-weight:700; margin-bottom:14px; }
  .footer-brand .brand-mark{ background:rgba(255,255,255,.14); border-radius:10px; width:34px; height:34px; }
  .footer-desc{ font-size:14.5px; line-height:1.8; color:rgba(255,255,255,.66); max-width:340px; }
  .footer-col h4{ color:#fff; font-size:15.5px; margin-bottom:14px; }
  .footer-col ul li + li{ margin-top:10px; }
  .footer-col a{ font-size:14.5px; color:rgba(255,255,255,.72); transition:color .18s ease-out; }
  .footer-col a:hover{ color:#fff; text-decoration:underline; }
  .footer-bottom{
    margin-top:40px; padding-top:18px; border-top:1px solid rgba(255,255,255,.16);
    display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
    font-size:13.5px; color:rgba(255,255,255,.6);
  }

  /* ---------- 底部固定转化条 ---------- */
  .cta-bar{
    position:fixed; left:0; right:0; bottom:0; z-index:90;
    background:rgba(11,68,56,.97); color:#fff;
    border-top:1px solid rgba(255,255,255,.14);
    transform:translateY(0); opacity:1;
    transition:opacity .25s ease-out, transform .25s ease-out;
  }
  .cta-bar.is-hidden{ opacity:0; transform:translateY(110%); pointer-events:none; }
  .cta-bar-inner{ display:flex; align-items:center; gap:16px; min-height:64px; }
  .cta-bar-text{ font-size:15px; color:rgba(255,255,255,.9); }
  .cta-bar .btn{ margin-left:auto; }
  .cta-bar-close{
    width:44px; height:44px; display:grid; place-items:center;
    background:transparent; border:0; color:rgba(255,255,255,.7); cursor:pointer; border-radius:10px;
  }
  .cta-bar-close:hover{ color:#fff; background:rgba(255,255,255,.12); }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-search, .nav-links, .btn-login{ display:none; }
    .nav-toggle{ display:grid; margin-left:auto; }
    .nav-search-mobile{ display:block; }
    .nav-inner{ height:64px; }
    .lead-grid{ grid-template-columns:1fr; gap:26px; }
    .entry-grid{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
  }
  @media (max-width:767px){
    html body{ font-size:16px; padding-bottom:112px; }
    .container{ padding:0 16px; }
    .section{ padding:56px 0; }
    .section--tight{ padding:46px 0; }
    .cat-banner .banner-inner{ padding:26px 0 38px; min-height:220px; }
    .entry-card{ grid-template-columns:1fr; padding:16px; }
    .entry-figure{ aspect-ratio:16 / 9; }
    .entry-body p{ -webkit-line-clamp:unset; display:block; overflow:visible; }
    .steps-panel{ padding:6px 18px; }
    .cta-block{ padding:34px 22px; border-radius:16px; }
    .cta-inner{ flex-direction:column; align-items:flex-start; gap:22px; }
    .cta-actions{ width:100%; }
    .cta-actions .btn{ flex:1 1 auto; }
    .cta-bar-text{ font-size:14px; }
    .cta-bar-inner{ min-height:72px; gap:10px; }
    .cta-bar .btn{ margin-left:auto; }
  }
  @media (max-width:519px){
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; gap:6px; }
    .brand-text span{ display:none; }
  }
  @media (prefers-reduced-motion: reduce){
    *{ transition-duration:.01ms !important; animation-duration:.01ms !important; scroll-behavior:auto !important; }
  }

/* roulang page: article */
:root{
    --brand:#0F5B4E;
    --brand-dark:#0B4438;
    --brand-soft:#1F7A68;
    --accent:#E07B39;
    --base:#FAF9F6;
    --surface:#EFF3F0;
    --card:#FFFFFF;
    --ink:#17221E;
    --muted:#5E6E68;
    --line:#DCE3DF;
    --ok:#2E7D5B;
    --warn:#C9822B;
    --err:#B4453A;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-input:12px;
    --shadow-1:0 1px 2px rgba(23,34,30,.05), 0 8px 24px rgba(23,34,30,.06);
    --shadow-2:0 2px 4px rgba(23,34,30,.06), 0 14px 32px rgba(23,34,30,.10);
  }

  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    padding-bottom:76px;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:17px;
    line-height:1.8;
    color:var(--ink);
    background:var(--base);
  }
  a{color:inherit;}
  img{max-width:100%;}
  button,input{font-family:inherit;font-size:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(250,249,246,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,34,30,.08);}
  .header-inner{display:flex;align-items:center;gap:18px;min-height:76px;flex-wrap:nowrap;}

  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;flex:0 0 auto;
    background:linear-gradient(145deg,var(--brand-soft),var(--brand));
    color:#fff;display:grid;place-items:center;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-line1{font-size:16px;font-weight:700;letter-spacing:.03em;}
  .brand-line2{font-size:11px;color:var(--muted);letter-spacing:.12em;}

  .nav-search{
    flex:1 1 42%;
    display:flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:4px 4px 4px 14px;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,91,78,.10);}
  .search-icon{display:grid;place-items:center;color:var(--muted);flex:0 0 auto;}
  .search-input{
    flex:1 1 auto;min-width:0;height:36px;border:0;outline:0;background:transparent;
    font-size:15px;color:var(--ink);
  }
  .search-input::placeholder{color:var(--muted);}
  .search-btn{
    flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:999px;
    background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
    transition:background .16s ease-out;
  }
  .search-btn:hover{background:#c96a2e;}

  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-link{
    position:relative;display:inline-block;white-space:nowrap;
    padding:8px 10px;border-radius:8px;text-decoration:none;
    font-size:15px;color:var(--muted);
    transition:color .16s ease-out,background .16s ease-out;
  }
  .nav-link:hover{color:var(--brand);background:var(--surface);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:10px;right:10px;bottom:2px;height:3px;
    border-radius:3px;background:var(--brand);
  }

  .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;text-decoration:none;border:1px solid transparent;
    cursor:pointer;transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
  }
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-dark);box-shadow:var(--shadow-1);}
  .btn-accent{background:var(--accent);color:#fff;}
  .btn-accent:hover{background:#c96a2e;box-shadow:var(--shadow-1);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand);}
  .btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);}
  .btn-light:hover{background:rgba(255,255,255,.2);}

  .nav-toggle{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);
    cursor:pointer;margin-left:auto;flex:0 0 auto;
  }
  .nav-toggle:hover{border-color:var(--brand-soft);color:var(--brand);}

  .mobile-panel{
    display:none;border-top:1px solid var(--line);background:#fff;
    padding:14px 24px 20px;
  }
  .mobile-panel.is-open{display:block;}
  .mobile-panel .nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .mobile-panel .nav-link{padding:12px 10px;font-size:16px;border-radius:10px;}
  .mobile-panel .nav-link.is-active::after{display:none;}
  .mobile-panel .btn{width:100%;margin-top:12px;}

  /* ============ 文章头部 ============ */
  .article-hero{
    position:relative;overflow:hidden;
    padding:26px 0 42px;
    background:linear-gradient(180deg,var(--base) 0%,var(--surface) 100%);
    border-bottom:1px solid var(--line);
  }
  .article-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.07;
  }
  .article-hero .container{position:relative;z-index:1;}

  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:6px;
    font-size:13px;color:var(--muted);margin:0 0 20px;
  }
  .breadcrumb a{color:var(--muted);text-decoration:none;}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
  .crumb-sep{color:#b9c4bf;}
  .crumb-current{
    color:var(--ink);max-width:min(58ch,100%);
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }

  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:var(--brand);
    background:rgba(15,91,78,.07);
    border:1px solid rgba(15,91,78,.16);
    border-radius:999px;padding:4px 13px;margin-bottom:16px;
  }
  .kicker-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-soft);}

  .article-title{
    margin:0 0 18px;max-width:920px;
    font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted);}
  .badge{
    display:inline-flex;align-items:center;
    font-size:13px;line-height:1;padding:6px 12px;border-radius:999px;
    background:rgba(224,123,57,.13);color:#95501f;border:1px solid rgba(224,123,57,.26);
  }
  .meta-item{display:inline-flex;align-items:center;gap:6px;}
  .meta-dot{width:4px;height:4px;border-radius:50%;background:#c2ccc7;}

  /* ============ 正文区 ============ */
  .article-main{padding:56px 0 0;}
  .article-shell{max-width:760px;margin:0 auto;}

  .article-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);padding:44px 48px;
  }

  .article-body{font-size:17px;line-height:1.85;color:var(--ink);}
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 1em;}
  .article-body h2{
    position:relative;margin:2em 0 .7em;padding-left:14px;
    font-size:26px;line-height:1.35;font-weight:700;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.35em;width:3px;height:18px;
    border-radius:2px;background:var(--brand);
  }
  .article-body h3{margin:1.6em 0 .6em;font-size:20px;line-height:1.4;font-weight:600;}
  .article-body ul{margin:0 0 1em;padding:0;list-style:none;}
  .article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
  .article-body ul li::before{
    content:"";position:absolute;left:4px;top:.68em;width:6px;height:6px;
    border-radius:50%;background:var(--brand-soft);
  }
  .article-body ol{margin:0 0 1em;padding-left:1.4em;}
  .article-body ol li{margin-bottom:.5em;}
  .article-body blockquote{
    margin:1.4em 0;padding:16px 20px;
    background:var(--surface);border-left:3px solid var(--accent);
    border-radius:0 12px 12px 0;color:var(--muted);
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{display:block;max-width:100%;height:auto;margin:1.4em auto;border-radius:12px;}
  .article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .article-body a:hover{color:var(--accent);}
  .article-body table{
    display:block;width:100%;margin:1.4em 0;overflow-x:auto;
    border-collapse:collapse;font-size:15px;
  }
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
  .article-body th{background:var(--surface);font-weight:600;}
  .article-body pre{
    margin:1.4em 0;padding:16px 18px;overflow-x:auto;border-radius:12px;
    background:#0B1A16;color:#E6F0EC;font-size:14px;line-height:1.7;
  }
  .article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;}
  .article-body figure{margin:1.4em 0;}
  .article-body figcaption{margin-top:8px;text-align:center;font-size:13px;color:var(--muted);}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

  .empty-state{
    min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    text-align:center;gap:14px;padding:24px 0;
  }
  .empty-icon{
    width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
    background:var(--surface);color:var(--brand);
  }
  .empty-state h2{margin:0;font-size:22px;}
  .empty-state p{margin:0;max-width:460px;font-size:15px;color:var(--muted);line-height:1.8;}

  .article-foot{
    margin-top:22px;padding:18px 22px;
    display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    font-size:14px;color:var(--muted);
  }
  .foot-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    font-size:13px;padding:3px 11px;border-radius:999px;
    background:#fff;border:1px solid var(--line);color:var(--muted);
  }

  .back-actions{
    margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;
  }

  /* ============ 相关推荐 ============ */
  .related{margin-top:72px;}
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:14px;margin-bottom:24px;
  }
  .section-title{
    position:relative;margin:0;padding-left:14px;font-size:24px;font-weight:700;line-height:1.4;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:20px;border-radius:2px;background:var(--brand);
  }
  .text-link{
    font-size:14px;font-weight:600;color:var(--brand);text-decoration:none;
    display:inline-flex;align-items:center;gap:6px;
  }
  .text-link:hover{color:var(--accent);}
  .text-link .arrow{transition:transform .18s ease-out;}
  .text-link:hover .arrow{transform:translateX(2px);}

  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .card{
    display:flex;flex-direction:column;overflow:hidden;text-decoration:none;color:inherit;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);}
  .card-media{position:relative;aspect-ratio:16/9;background:var(--surface);overflow:hidden;}
  .card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .22s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-badge{
    position:absolute;left:12px;top:12px;
    font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
    background:rgba(224,123,57,.94);color:#fff;
  }
  .card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px;}
  .card-title{
    margin:0;font-size:17px;font-weight:600;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .18s ease-out;
  }
  .card:hover .card-title{color:var(--brand);}
  .card-desc{
    margin:0;font-size:14px;color:var(--muted);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding-top:12px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .card-arrow{color:var(--brand);font-weight:600;transition:transform .18s ease-out;}
  .card:hover .card-arrow{transform:translateX(2px);}

  /* ============ 底部 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;margin-top:88px;
    background:var(--brand-dark);color:#fff;padding:56px 0;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;opacity:.09;
  }
  .cta-inner{
    position:relative;z-index:1;
    display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  }
  .cta-band h2{margin:0 0 8px;font-size:26px;line-height:1.4;}
  .cta-band p{margin:0;max-width:660px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.75);}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-dark);color:rgba(255,255,255,.7);padding:64px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
  .footer-brand .brand-mark{
    width:30px;height:30px;border-radius:9px;
    background:rgba(255,255,255,.14);color:#fff;
  }
  .footer-desc{margin:0;max-width:330px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
  .footer-col h4{margin:0 0 14px;font-size:15px;font-weight:600;color:#fff;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;transition:color .16s ease-out;}
  .footer-col a:hover{color:#fff;text-decoration:underline;}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);
    display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ============ 底部固定转化条 ============ */
  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    display:flex;align-items:center;justify-content:center;gap:16px;
    min-height:64px;padding:10px 60px 10px 20px;
    background:rgba(11,68,56,.97);color:#fff;
    box-shadow:0 -6px 22px rgba(23,34,30,.16);
    transform:translateY(110%);
    transition:transform .26s ease-out;
  }
  .sticky-cta.is-visible{transform:translateY(0);}
  .sticky-cta.is-hidden{transform:translateY(110%) !important;}
  .sticky-cta p{margin:0;font-size:14px;line-height:1.5;color:rgba(255,255,255,.9);}
  .sticky-cta .btn{min-height:40px;padding:0 16px;font-size:14px;}
  .sticky-close{
    position:absolute;right:14px;top:50%;transform:translateY(-50%);
    width:34px;height:34px;border-radius:50%;cursor:pointer;
    border:1px solid rgba(255,255,255,.32);background:transparent;color:#fff;
    font-size:16px;line-height:1;display:grid;place-items:center;
  }
  .sticky-close:hover{background:rgba(255,255,255,.14);}

  /* ============ 响应式 ============ */
  @media (max-width:1100px){
    .header-nav-desktop{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-search{flex:1 1 auto;max-width:none;}
  }
  @media (max-width:1024px){
    .article-title{font-size:34px;}
    .article-card{padding:36px 34px;}
    .card-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:767px){
    body{padding-bottom:68px;font-size:16px;}
    .article-main{padding:36px 0 0;}
    .article-hero{padding:20px 0 30px;}
    .article-title{font-size:26px;}
    .article-card{padding:26px 20px;border-radius:12px;}
    .article-body{font-size:16px;line-height:1.85;}
    .article-body h2{font-size:22px;}
    .article-body h3{font-size:18px;}
    .related{margin-top:52px;}
    .section-title{font-size:20px;}
    .card-grid{grid-template-columns:1fr;}
    .cta-band{margin-top:56px;padding:40px 0;}
    .cta-band h2{font-size:21px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 auto;}
    .site-footer{padding:44px 0 24px;}
    .sticky-cta{transform:translateY(0);justify-content:space-between;padding:10px 56px 10px 16px;}
    .sticky-cta p{font-size:13px;}
  }
  @media (max-width:640px){
    .container{padding:0 16px;}
    .header-inner{flex-wrap:wrap;min-height:auto;padding:12px 0;gap:12px;}
    .nav-search{order:3;flex:1 0 100%;max-width:none;}
    .breadcrumb{margin-bottom:16px;}
    .crumb-current{max-width:100%;white-space:normal;}
    .article-foot{padding:14px 16px;font-size:13px;}
    .back-actions .btn{flex:1 1 auto;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: category2 */
:root{
  --brand:#0F5B4E;
  --brand-dark:#0B4438;
  --brand-soft:#1F7A68;
  --accent:#E07B39;
  --base:#FAF9F6;
  --surface:#EFF3F0;
  --card:#FFFFFF;
  --ink:#17221E;
  --muted:#5E6E68;
  --line:#DCE3DF;
  --ok:#2E7D5B;
  --warn:#C9822B;
  --err:#B4453A;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-card:0 1px 2px rgba(23,34,30,.05),0 8px 24px rgba(23,34,30,.06);
  --shadow-hover:0 2px 4px rgba(23,34,30,.06),0 14px 32px rgba(23,34,30,.10);
  --font:"-apple-system","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--base);
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.3;margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
header .container,main .container,.site-footer .container{max-width:1200px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,249,246,.96);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(23,34,30,.08)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(15,91,78,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.5px}
.brand-text small{font-size:12px;color:var(--muted);letter-spacing:.6px}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:5px 6px 5px 14px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,91,78,.10)}
.nav-search svg{flex:0 0 auto;color:var(--muted)}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:38px;min-width:60px;
  font-size:15px;outline:none;
}
.nav-search input::placeholder{color:var(--muted)}
.search-btn{
  flex:0 0 auto;border:0;cursor:pointer;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;transition:background .18s ease-out,transform .18s ease-out;
}
.search-btn:hover{background:#c96828}
.search-btn:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:var(--radius-btn);
  color:var(--ink);font-size:15px;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:var(--surface);color:var(--brand)}
.nav-link.is-active{background:rgba(15,91,78,.10);color:var(--brand);font-weight:600}
.nav-cta{flex:0 0 auto;white-space:nowrap}
.nav-toggle{
  display:none;flex:0 0 auto;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-soft);color:var(--brand)}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--card);
  padding:16px 24px 22px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--line);border-radius:0}
.mobile-panel .nav-link.is-active{background:transparent;color:var(--brand)}
.mobile-panel .nav-search{max-width:none;margin-top:14px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,123,57,.24)}
.btn-primary:hover{background:#c96828;color:#fff;box-shadow:0 10px 24px rgba(224,123,57,.30)}
.btn-primary:active{transform:translateY(1px)}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,91,78,.20)}
.btn-solid:hover{background:var(--brand-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand-dark);background:rgba(15,91,78,.06)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#f3f6f4;color:var(--brand-dark)}

/* ---------- banner ---------- */
.cat-banner{
  position:relative;overflow:hidden;
  min-height:250px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(11,68,56,.90),rgba(15,91,78,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='120' viewBox='0 0 240 120'><path d='M0 90c30-26 60-26 90 0s60 26 90 0 60-26 90 0' fill='none' stroke='white' stroke-opacity='0.07' stroke-width='2'/></svg>");
  background-repeat:repeat;pointer-events:none;
}
.cat-banner .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.cat-banner h1{font-size:40px;color:#fff;max-width:760px}
.cat-banner p{margin:14px 0 0;font-size:16px;color:rgba(255,255,255,.82);max-width:640px}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:18px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.breadcrumb li::after{content:"/";margin-left:6px;color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:600}

/* ---------- sections ---------- */
.section{padding:56px 0}
.section--tight{padding:40px 0 56px}
.section-line{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-title{display:flex;align-items:center;gap:12px;font-size:30px}
.sec-title::before{content:"";width:3px;height:18px;background:var(--brand);border-radius:2px;display:inline-block}
.sec-sub{font-size:15px;color:var(--muted);margin:10px 0 0}
.sec-link{font-size:14px;font-weight:600;white-space:nowrap}

.lead-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 28px;box-shadow:var(--shadow-card)}
.lead-block p:last-child{margin-bottom:0}
.lead-block strong{color:var(--brand-dark)}

/* ---------- numbered steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);box-shadow:var(--shadow-card);overflow:hidden}
.step{padding:26px 24px;border-right:1px solid var(--line);transition:background .18s ease-out}
.step:last-child{border-right:0}
.step:hover{background:var(--surface)}
.step-num{font-family:var(--mono);font-size:13px;letter-spacing:1px;color:var(--accent);font-weight:700}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{margin:0;font-size:15px;color:var(--muted);line-height:1.7}

/* ---------- wide cards ---------- */
.wide-list{display:grid;gap:20px}
.wide-card{
  display:grid;grid-template-columns:300px 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.wide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.wide-media{position:relative;background:var(--surface);overflow:hidden}
.wide-media img{width:100%;height:100%;min-height:200px;object-fit:cover;transition:transform .22s ease-out}
.wide-card:hover .wide-media img{transform:scale(1.03)}
.badge{
  position:absolute;top:14px;left:14px;
  background:rgba(224,123,57,.94);color:#fff;
  font-size:13px;padding:5px 12px;border-radius:999px;font-weight:600;letter-spacing:.3px;
}
.wide-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center}
.wide-body h3{font-size:20px;margin-bottom:10px}
.wide-card:hover .wide-body h3{color:var(--brand)}
.wide-body p{margin:0 0 14px;font-size:15px;color:var(--muted);line-height:1.78}
.arrow-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.arrow-link svg{transition:transform .18s ease-out}
.arrow-link:hover svg{transform:translateX(2px)}

/* ---------- checklist ---------- */
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 30px;
}
.check-panel h3{font-size:20px;margin-bottom:14px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:16px;color:var(--ink)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:rgba(15,91,78,.12);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);
}

/* ---------- notice ---------- */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  border:1px solid var(--line);border-left:3px solid var(--warn);
  background:var(--card);border-radius:12px;padding:16px 18px;font-size:15px;color:var(--muted);
}
.notice strong{color:var(--ink)}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:860px}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:0 20px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq details[open]{border-color:var(--brand-soft);box-shadow:var(--shadow-card);border-left:3px solid var(--accent)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:17px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:0 0 auto;color:var(--brand);transition:transform .2s ease-out}
.faq details[open] summary svg{transform:rotate(180deg)}
.faq .faq-body{padding:0 0 20px;font-size:15px;color:var(--muted);line-height:1.8}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-dark);color:#fff;border-radius:18px;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.10),transparent 70%);
}
.cta-band h2{font-size:28px;color:#fff;position:relative;z-index:2}
.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.78);font-size:16px;max-width:620px;position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.7);margin-top:64px;padding:56px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:.4px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.14);box-shadow:none}
.footer-desc{margin:16px 0 0;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14.5px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.mono{font-family:var(--mono);letter-spacing:.5px}

/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(11,68,56,.97);color:#fff;
  min-height:64px;display:flex;align-items:center;
  padding:10px 20px;gap:14px;
  transform:translateY(110%);opacity:0;pointer-events:none;
  transition:transform .25s ease-out,opacity .25s ease-out;
}
.sticky-bar.is-visible{transform:translateY(0);opacity:1;pointer-events:auto}
.sticky-bar span{font-size:14.5px;color:rgba(255,255,255,.85);flex:1 1 auto}
.sticky-bar .btn{min-height:40px;padding:8px 18px;font-size:14px}
.sticky-close{
  border:0;background:transparent;color:rgba(255,255,255,.7);cursor:pointer;
  width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;
}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff}
body{padding-bottom:80px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .header-inner{flex-wrap:wrap;row-gap:12px}
  .nav-search{order:3;max-width:none;flex:1 1 100%}
  .nav-links{order:2;margin-left:auto}
}
@media (max-width:1024px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .wide-card{grid-template-columns:250px 1fr}
  .cat-banner h1{font-size:34px}
  .sec-title{font-size:26px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .mobile-panel .nav-cta{display:inline-flex;margin-top:16px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 16px}
  .mobile-panel{padding:16px 16px 22px}
  .cat-banner{min-height:224px}
  .cat-banner h1{font-size:28px}
  .cat-banner p{font-size:15px}
  .section{padding:44px 0}
  .wide-card{grid-template-columns:1fr}
  .wide-media img{min-height:190px;height:190px}
  .wide-body{padding:20px 20px 24px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .lead-block{padding:20px}
}
@media (max-width:520px){
  .cat-banner h1{font-size:25px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .sticky-bar .btn{width:auto}
  .sticky-bar span{font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .wide-card:hover{transform:none}
  .wide-card:hover .wide-media img{transform:none}
}