/* roulang page: index */
:root{
    --milan-red:#D22630;
    --milan-red-dark:#B01C25;
    --milan-red-soft:#FDEDEF;
    --ink:#101317;
    --ink-2:#14161A;
    --body:#4A5058;
    --muted:#8A8F96;
    --pitch:#2FBF71;
    --pitch-soft:#E9F8F0;
    --bg:#F7F6F2;
    --bg-2:#ECEAE4;
    --card:#FFFFFF;
    --line:#E4E1DA;
    --line-strong:#D7D3CA;
    --shadow-1:0 1px 2px rgba(16,19,23,.05);
    --shadow-2:0 14px 28px -14px rgba(16,19,23,.20);
    --r-card:6px;
    --r-img:4px;
    --r-btn:3px;
    --dur:200ms;
    --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:17px;
    line-height:1.85;
    color:var(--body);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color var(--dur) ease;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;}
  input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink-2);}
  ::selection{background:var(--milan-red-soft);color:var(--milan-red-dark);}
  :focus-visible{outline:2px solid var(--milan-red);outline-offset:2px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .num{font-variant-numeric:tabular-nums;letter-spacing:.01em;}

  /* ---------- topbar ---------- */
  .topbar{background:var(--ink);color:#B7BCC2;font-size:13px;line-height:1.6;}
  .topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:40px;padding-top:8px;padding-bottom:8px;}
  .topbar a{color:#E9E7E2;border-bottom:1px solid rgba(255,255,255,.28);}
  .topbar a:hover{color:#fff;border-bottom-color:var(--milan-red);}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,246,242,.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease;
  }
  .site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 18px -16px rgba(16,19,23,.5);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;border-radius:var(--r-btn);
    background:var(--milan-red);display:grid;place-items:center;flex-shrink:0;
  }
  .brand-mark svg{width:20px;height:20px;stroke:#fff;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-text strong{font-size:17px;font-weight:700;color:var(--ink-2);letter-spacing:.01em;}
  .brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500;}

  .nav-menu{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:15px;color:var(--body);padding:6px 0;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--milan-red);
    transition:width var(--dur) ease,left var(--dur) ease;
  }
  .nav-link:hover{color:var(--ink-2);}
  .nav-link:hover::after{width:100%;left:0;}
  .nav-link.active{color:var(--ink-2);font-weight:600;}
  .nav-link.active::after{width:100%;left:0;}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink-2);transition:transform var(--dur) ease,opacity var(--dur) ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
    transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
  }
  .btn-primary{background:var(--milan-red);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--milan-red-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-outline{border:1px solid var(--ink-2);color:var(--ink-2);background:transparent;}
  .btn-outline:hover{background:var(--milan-red-soft);border-color:var(--milan-red);color:var(--milan-red-dark);}
  .btn-ghost{padding:0;min-height:auto;color:var(--ink-2);font-weight:600;border-radius:0;background:none;}
  .btn-ghost svg{width:16px;height:16px;transition:transform var(--dur) ease;}
  .btn-ghost:hover{color:var(--milan-red);}
  .btn-ghost:hover svg{transform:translateX(3px);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--milan-red);}

  /* ---------- hero ---------- */
  .hero{padding:64px 0 88px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
  .hero h1{
    font-size:44px;line-height:1.25;font-weight:700;color:var(--ink-2);
    margin:18px 0 16px;letter-spacing:-.01em;
  }
  .hero h1 mark{background:none;color:var(--milan-red);position:relative;white-space:nowrap;}
  .hero h1 mark::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;background:var(--milan-red-soft);z-index:-1;
  }
  .hero-sub{font-size:18px;color:var(--body);max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:28px;}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:14px;color:var(--body);}
  .hero-points li{display:flex;align-items:center;gap:8px;}
  .hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pitch);flex-shrink:0;}

  .hero-visual{position:relative;}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
    border:1px solid var(--line);box-shadow:var(--shadow-1);
  }
  .hero-badge{
    position:absolute;left:-18px;bottom:24px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:14px 20px;box-shadow:var(--shadow-2);display:flex;align-items:baseline;gap:8px;
  }
  .hero-badge strong{font-size:30px;line-height:1;font-weight:700;color:var(--milan-red);font-variant-numeric:tabular-nums;}
  .hero-badge span{font-size:13px;color:var(--muted);}

  /* ---------- section ---------- */
  .section{padding:96px 0;}
  .section-alt{background:var(--bg-2);}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-2);margin:16px 0 14px;letter-spacing:-.005em;}
  .section-head p{font-size:16px;color:var(--body);}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .section-head.center .eyebrow{justify-content:center;}

  /* ---------- pain ---------- */
  .pain-list{display:flex;flex-direction:column;border-top:1px solid var(--line);max-width:900px;}
  .pain-item{
    display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start;
    padding:30px 0;border-bottom:1px solid var(--line);
    transition:padding-left var(--dur) ease;
  }
  .pain-item:hover{padding-left:10px;}
  .pain-num{
    font-size:38px;line-height:1;font-weight:700;color:var(--line-strong);
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  }
  .pain-item:hover .pain-num{color:var(--milan-red);}
  .pain-item h3{font-size:20px;font-weight:600;color:var(--ink-2);line-height:1.5;margin-bottom:6px;}
  .pain-item p{font-size:15px;color:var(--body);}

  /* ---------- plan rows ---------- */
  .plan-rows{display:flex;flex-direction:column;gap:16px;}
  .plan-row{
    display:grid;grid-template-columns:76px 1.1fr 1.4fr 44px;gap:24px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px 28px;box-shadow:var(--shadow-1);
    transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
  }
  .plan-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
  .plan-row .idx{font-size:26px;font-weight:700;color:var(--milan-red);font-variant-numeric:tabular-nums;line-height:1;}
  .plan-row h3{font-size:20px;font-weight:600;color:var(--ink-2);line-height:1.4;}
  .plan-row .desc{font-size:15px;color:var(--body);}
  .plan-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
  .tag{
    display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
    background:var(--milan-red-soft);color:var(--milan-red-dark);font-weight:500;
  }
  .tag-green{background:var(--pitch-soft);color:#1E8C52;}
  .plan-arrow{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);transition:all var(--dur) ease;}
  .plan-row:hover .plan-arrow{background:var(--milan-red);border-color:var(--milan-red);color:#fff;}
  .plan-arrow svg{width:16px;height:16px;}

  /* ---------- stats ---------- */
  .stats{background:var(--ink);color:#fff;padding:88px 0;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
  .stat{border-left:1px solid rgba(255,255,255,.14);padding-left:22px;}
  .stat:first-child{border-left:0;padding-left:0;}
  .stat strong{
    display:block;font-size:46px;line-height:1.1;font-weight:700;color:#fff;
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  }
  .stat strong em{font-style:normal;font-size:20px;color:var(--milan-red);margin-left:2px;}
  .stat span{display:block;margin-top:10px;font-size:14px;color:#B7BCC2;}
  .stats-note{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#8A8F96;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;}

  /* ---------- cms cards ---------- */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
  .filter-chip{
    font-size:13px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--body);transition:all var(--dur) ease;
  }
  .filter-chip:hover{border-color:var(--milan-red);color:var(--milan-red-dark);background:var(--milan-red-soft);}
  .filter-chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}

  .cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .cms-card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
    transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
  }
  .cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
  .cms-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
  .cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
  .cms-card:hover .cms-thumb img{transform:scale(1.03);}
  .cms-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
  .cms-body h3{
    font-size:17px;font-weight:600;color:var(--ink-2);line-height:1.5;margin:10px 0 8px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .cms-body p{
    font-size:14px;color:var(--body);line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .cms-foot{
    margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--muted);border-top:1px solid var(--line);
  }
  .cms-foot svg{width:14px;height:14px;transition:transform var(--dur) ease;}
  .cms-card:hover .cms-foot svg{transform:translateX(3px);color:var(--milan-red);}
  .cms-empty{
    grid-column:1/-1;text-align:center;padding:64px 24px;background:#fff;
    border:1px dashed var(--line-strong);border-radius:var(--r-card);
  }
  .cms-empty svg{width:34px;height:34px;margin:0 auto 14px;color:var(--muted);}
  .cms-empty p{font-size:15px;color:var(--body);}
  .cms-empty a{display:inline-block;margin-top:12px;color:var(--milan-red);font-weight:600;border-bottom:1px solid currentColor;}
  .cms-more{display:flex;justify-content:flex-end;margin-top:28px;}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:24px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-2);line-height:1.6;
    transition:color var(--dur) ease;
  }
  .faq-q:hover{color:var(--milan-red);}
  .faq-q svg{width:18px;height:18px;flex-shrink:0;color:var(--muted);transition:transform var(--dur) ease,color var(--dur) ease;}
  .faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--milan-red);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease;}
  .faq-a p{font-size:16px;line-height:1.85;color:var(--body);padding:0 0 24px;max-width:760px;}

  /* ---------- form ---------- */
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
  .form-side h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-2);margin:16px 0 14px;}
  .form-side p{font-size:16px;color:var(--body);}
  .side-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
  .side-list li{display:flex;gap:10px;font-size:15px;color:var(--body);}
  .side-list li svg{width:18px;height:18px;color:var(--pitch);flex-shrink:0;margin-top:3px;}
  .form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:32px;box-shadow:var(--shadow-1);
  }
  .field{margin-bottom:20px;}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
  .field label .req{color:var(--milan-red);margin-left:2px;}
  .field input[type="text"],
  .field input[type="tel"],
  .field textarea{
    width:100%;height:46px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--r-btn);
    background:#fff;transition:border-color var(--dur) ease,box-shadow var(--dur) ease;outline:none;
  }
  .field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
  .field input:focus,.field textarea:focus{border-color:var(--milan-red);box-shadow:0 0 0 3px rgba(210,38,48,.12);}
  .field.has-error input,.field.has-error textarea{border-color:var(--milan-red);}
  .field .err{display:none;font-size:13px;color:var(--milan-red);margin-top:6px;}
  .field.has-error .err{display:block;}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--body);}
  .check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--milan-red);flex-shrink:0;}
  .check-row a{color:var(--milan-red);border-bottom:1px solid currentColor;}
  .form-card .btn{width:100%;margin-top:8px;}
  .form-done{display:none;font-size:14px;color:#1E8C52;background:var(--pitch-soft);border-radius:var(--r-btn);padding:12px 14px;margin-top:14px;}
  .form-done.show{display:block;}

  /* ---------- modal ---------- */
  .modal{
    position:fixed;inset:0;z-index:120;display:none;
  }
  .modal.is-open{display:block;}
  .modal-mask{position:absolute;inset:0;background:rgba(16,19,23,.55);}
  .modal-panel{
    position:relative;margin:6vh auto 0;width:calc(100% - 32px);max-width:520px;
    background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:0 30px 60px -30px rgba(16,19,23,.55);
    animation:modalIn 220ms ease both;
  }
  @keyframes modalIn{from{opacity:0;transform:scale(.96);}to{opacity:1;transform:scale(1);}}
  .modal-close{
    position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:var(--r-btn);
    display:grid;place-items:center;color:var(--muted);transition:background var(--dur) ease,color var(--dur) ease;
  }
  .modal-close:hover{background:var(--bg-2);color:var(--ink-2);}
  .modal-close svg{width:18px;height:18px;}
  .modal-panel h3{font-size:20px;font-weight:700;color:var(--ink-2);margin-bottom:8px;}
  .modal-panel > p{font-size:14px;color:var(--body);margin-bottom:22px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:#B7BCC2;padding:68px 0 0;font-size:14px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
  .footer-grid h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{background:var(--milan-red);}
  .footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
  .footer-grid p{line-height:1.8;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a:hover{color:#fff;}
  .footer-links a{transition:color var(--dur) ease;}
  .footer-contact li{margin-bottom:11px;}
  .footer-contact span{color:#fff;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A8F96;
  }
  .footer-bottom a{margin-left:18px;}
  .footer-bottom a:hover{color:#fff;}
  .foot-cta{margin-top:18px;}

  /* ---------- reveal ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease,transform 420ms ease;}
  .reveal.is-visible{opacity:1;transform:none;}

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .cms-grid{grid-template-columns:repeat(3,1fr);}
  }
  @media (max-width:1023px){
    .container-x{padding:0 24px;}
    .nav-toggle{display:flex;}
    .nav-menu{
      position:fixed;top:0;right:0;height:100vh;width:300px;max-width:86vw;
      background:#fff;flex-direction:column;align-items:flex-start;gap:6px;
      padding:88px 26px 32px;box-shadow:-20px 0 40px -24px rgba(16,19,23,.45);
      transform:translateX(102%);transition:transform 260ms ease;z-index:70;
    }
    .nav-menu.is-open{transform:translateX(0);}
    .nav-link{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;}
    .nav-link::after{display:none;}
    .nav-link.active{color:var(--milan-red);}
    .nav-cta{width:100%;margin-top:18px;}
    .hero{padding:48px 0 64px;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero h1{font-size:34px;}
    .hero-visual{order:-1;}
    .hero-badge{left:12px;bottom:-16px;}
    .section{padding:72px 0;}
    .plan-row{grid-template-columns:56px 1fr 40px;gap:18px;padding:22px;}
    .plan-row .desc{grid-column:2/3;}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px 24px;}
    .stat:nth-child(3){border-left:0;padding-left:0;}
    .cms-grid{grid-template-columns:repeat(2,1fr);}
    .form-grid{grid-template-columns:1fr;gap:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }
  @media (max-width:639px){
    body{font-size:16px;}
    .container-x{padding:0 16px;}
    .topbar-inner{font-size:12px;flex-direction:column;align-items:flex-start;gap:2px;padding-top:10px;padding-bottom:10px;}
    .nav-inner{height:60px;}
    .hero h1{font-size:30px;}
    .hero-sub{font-size:16px;}
    .hero-actions .btn{width:100%;}
    .section{padding:56px 0;}
    .section-head h2,.form-side h2{font-size:24px;}
    .pain-item{grid-template-columns:1fr;gap:8px;padding:22px 0;}
    .pain-num{font-size:28px;}
    .pain-item h3{font-size:18px;}
    .plan-row{grid-template-columns:1fr;gap:12px;}
    .plan-row .desc{grid-column:auto;}
    .plan-arrow{display:none;}
    .stats{padding:56px 0;}
    .stats-grid{grid-template-columns:1fr;gap:28px;}
    .stat{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;}
    .stat:first-child{border-top:0;padding-top:0;}
    .stat strong{font-size:36px;}
    .cms-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .footer-bottom a{margin-left:0;margin-right:16px;}
    .form-card{padding:22px;}
    .modal-panel{padding:24px;margin-top:4vh;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none !important;transition:none !important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
  --mi-red:#D22630;
  --mi-red-dark:#B01C26;
  --mi-red-soft:#FDEDEF;
  --ink:#101317;
  --green:#2FBF71;
  --green-soft:#EAF7F0;
  --bg:#F7F6F2;
  --bg-2:#ECEAE4;
  --card:#FFFFFF;
  --t1:#14161A;
  --t2:#4A5058;
  --t3:#8A8F96;
  --line:#E4E1DA;
  --r-card:6px;
  --r-img:4px;
  --r-btn:3px;
  --shadow-1:0 1px 2px rgba(16,19,23,.05);
  --shadow-2:0 14px 28px -14px rgba(16,19,23,.20);
  --dur:.28s;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.25;}
h1{font-weight:700;}
h2{font-weight:700;}
h3{font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background var(--dur) ease,border-color var(--dur) ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--ink);
}
.brand-mark svg{width:20px;height:20px;stroke:var(--mi-red);}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--t1);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--t2);padding:6px 0;
  transition:color var(--dur) ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--mi-red);transition:left var(--dur) ease,right var(--dur) ease;
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0;}
.nav-link.active{color:var(--t1);font-weight:600;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background var(--dur) ease,color var(--dur) ease,transform var(--dur) ease,border-color var(--dur) ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--mi-red);color:#fff;}
.btn-primary:hover{background:var(--mi-red-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--ink);}
.btn-ghost:hover{background:var(--mi-red-soft);border-color:var(--mi-red);color:var(--mi-red);}
.btn-text{background:transparent;color:var(--t1);padding:0;height:auto;font-weight:600;}
.btn-text .arrow{transition:transform var(--dur) ease;display:inline-block;}
.btn-text:hover{color:var(--mi-red);}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--mi-red);outline-offset:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);margin:3px auto;transition:transform var(--dur) ease,opacity var(--dur) ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;}
.crumb{font-size:14px;color:var(--t3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--t2);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:text-decoration-color var(--dur) ease,color var(--dur) ease;}
.crumb a:hover{color:var(--mi-red);text-decoration-color:var(--mi-red);}
.crumb .sep{color:#C9C4BA;}
.crumb .current{color:var(--t1);}
.crumb-back{font-size:14px;font-weight:600;color:var(--t1);display:inline-flex;align-items:center;gap:6px;}
.crumb-back .arrow{transition:transform var(--dur) ease;}
.crumb-back:hover{color:var(--mi-red);}
.crumb-back:hover .arrow{transform:translateX(-3px);}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:48px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  background:var(--mi-red-soft);color:var(--mi-red-dark);
}
.badge-green{background:var(--green-soft);color:#1E7A4B;}
.article-head h1{
  font-size:44px;line-height:1.25;margin:18px 0 16px;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--t3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCAC1;display:inline-block;}
.article-meta time{font-variant-numeric:tabular-nums;color:var(--t2);}

.article-body{
  max-width:800px;font-size:17px;line-height:1.9;color:var(--t2);
  padding-top:8px;
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  font-size:24px;margin-top:40px;margin-bottom:16px;position:relative;padding-left:14px;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.16em;width:3px;border-radius:2px;background:var(--mi-red);
}
.article-body h3{font-size:19px;margin-top:28px;margin-bottom:12px;}
.article-body h4{font-size:17px;margin-top:22px;margin-bottom:10px;color:var(--t1);}
.article-body ul{list-style:disc;padding-left:22px;}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body li + li{margin-top:8px;}
.article-body strong{color:var(--t1);}
.article-body a{color:var(--mi-red);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:#FAF3F3;border-left:3px solid var(--mi-red);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--t2);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--r-img);margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:#F1EFEA;color:var(--t1);font-weight:600;}
.article-body table tr:nth-child(even) td{background:#FCFBF9;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--t3);margin:0 auto 16px;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--t3);margin-bottom:20px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);font-weight:500;
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:15px;color:var(--t2);border-bottom:1px solid #F1EFEA;
  transition:color var(--dur) ease,padding-left var(--dur) ease;
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--mi-red);padding-left:4px;}
.side-links .arrow{color:#C9C4BA;transition:transform var(--dur) ease,color var(--dur) ease;}
.side-links a:hover .arrow{transform:translateX(3px);color:var(--mi-red);}
.side-note{background:var(--ink);border-color:var(--ink);color:#B7BCC2;}
.side-note h3{color:#8A8F96;border-bottom-color:#262B31;}
.side-note p{font-size:14px;line-height:1.8;color:#B7BCC2;}
.side-note .status{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;color:#DCE1E6;}
.side-note .status i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0;background:var(--bg-2);border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{font-size:30px;}
.sec-head p{font-size:15px;color:var(--t3);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D9D5CC;}
.related-thumb{width:104px;flex:0 0 104px;height:82px;border-radius:var(--r-img);overflow:hidden;background:var(--bg-2);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-card h3{font-size:16px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card span{font-size:13px;color:var(--t3);}
.related-more{margin-top:28px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--mi-red);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:30px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:10px;max-width:560px;}
.cta-band .btn-light{background:#fff;color:var(--mi-red);}
.cta-band .btn-light:hover{background:#FDEDEF;transform:translateY(-1px);}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B7BCC2;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#1B1F24;border-color:#262B31;}
.footer-brand strong{color:#fff;font-size:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:#B7BCC2;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#B7BCC2;transition:color var(--dur) ease;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact span{color:#fff;}
.foot-cta{margin-top:18px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid #262B31;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A8F96;
}
.footer-bottom a{color:#B7BCC2;margin-left:16px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{gap:40px;}
}
@media (max-width:1023px){
  .nav-toggle{display:block;}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:300px;max-width:86vw;
    background:#fff;flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 24px 32px;transform:translateX(102%);
    transition:transform .3s ease;box-shadow:-16px 0 40px -24px rgba(16,19,23,.4);z-index:90;
    border-left:1px solid var(--line);overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu .nav-link{width:100%;padding:13px 0;border-bottom:1px solid #F1EFEA;font-size:16px;}
  .nav-menu .nav-link::after{display:none;}
  .nav-menu .nav-cta{width:100%;margin-top:18px;height:46px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;}
  .article-head h1{font-size:34px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container-x{padding:0 16px;}
  .nav-inner{height:60px;}
  .article-wrap{padding:32px 0 56px;}
  .article-head h1{font-size:30px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .sec-head h2{font-size:24px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:24px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:520px){
  .crumb-inner{flex-direction:column;align-items:flex-start;gap:10px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;flex:none;height:150px;}
}

/* roulang page: category1 */
:root{
    --red:#D22630;
    --red-deep:#B01C25;
    --red-soft:#FDEDEF;
    --ink:#101317;
    --ink-title:#14161A;
    --text:#4A5058;
    --muted:#8A8F96;
    --bg:#F7F6F2;
    --bg-layer:#ECEAE4;
    --card:#FFFFFF;
    --line:#E4E1DA;
    --green:#2FBF71;
    --green-soft:#E8F7EE;
    --r-card:6px;
    --r-img:4px;
    --r-btn:3px;
    --shadow:0 1px 2px rgba(16,19,23,.05);
    --shadow-hover:0 14px 28px -14px rgba(16,19,23,.20);
    --dur:.22s;
    --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-cn);
    font-size:17px;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--r-img);}
  a{color:inherit;text-decoration:none;transition:color var(--dur) ease;}
  a:hover{color:var(--red);}
  button{font-family:inherit;cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4{margin:0;color:var(--ink-title);line-height:1.25;font-weight:700;}
  h1{font-size:44px;}
  h2{font-size:30px;font-weight:700;}
  h3{font-size:20px;font-weight:600;}
  p{margin:0 0 20px;}
  p:last-child{margin-bottom:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(247,246,242,.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.92);
    border-bottom-color:var(--line);
    box-shadow:var(--shadow);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--ink);
  }
  .brand-mark svg{width:20px;height:20px;stroke:var(--red);}
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-text strong{font-size:16px;font-weight:700;color:var(--ink-title);letter-spacing:.01em;}
  .brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;}
  .nav-menu{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:15px;color:var(--text);padding:6px 0;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;right:50%;bottom:-2px;height:2px;
    background:var(--red);transition:left var(--dur) ease,right var(--dur) ease;
  }
  .nav-link:hover{color:var(--ink-title);}
  .nav-link:hover::after,.nav-link.active::after{left:0;right:0;}
  .nav-link.active{color:var(--ink-title);font-weight:600;}
  .nav-toggle{
    display:none;width:44px;height:44px;flex-direction:column;justify-content:center;
    align-items:center;gap:5px;border-radius:var(--r-btn);
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:transform var(--dur) ease,opacity var(--dur) ease;}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
  }
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .btn-primary{background:var(--red);color:#fff;border:1px solid var(--red);}
  .btn-primary:hover{background:var(--red-deep);border-color:var(--red-deep);color:#fff;transform:translateY(-1px);}
  .btn-outline{background:transparent;color:var(--ink-title);border:1px solid var(--ink);}
  .btn-outline:hover{background:var(--red-soft);border-color:var(--red);color:var(--red);}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-title);
  }
  .btn-ghost svg{width:16px;height:16px;transition:transform var(--dur) ease;}
  .btn-ghost:hover{color:var(--red);}
  .btn-ghost:hover svg{transform:translateX(3px);}
  .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:2px solid var(--red);outline-offset:2px;
  }

  /* ---------- page hero ---------- */
  .page-hero{
    position:relative;color:#fff;
    background-image:linear-gradient(rgba(16,19,23,.76),rgba(16,19,23,.72)),url("/assets/images/backpic/back-1.png");
    background-size:cover;background-position:center;
    padding:74px 0 62px;
  }
  .page-hero h1{color:#fff;font-size:42px;letter-spacing:-.01em;}
  .page-hero .lead{
    margin-top:18px;max-width:640px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.82);
  }
  .page-hero .eyebrow{
    display:inline-block;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
    color:rgba(255,255,255,.62);margin-bottom:16px;
  }
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 14px;border-radius:999px;font-size:13px;
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);color:rgba(255,255,255,.88);
  }
  .hero-chip i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;}

  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:18px 0 0;}
  .breadcrumb a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;}
  .breadcrumb a:hover{color:var(--red);}
  .breadcrumb .sep{color:#C6C2B8;}
  .breadcrumb .current{color:var(--ink-title);}

  /* ---------- sections ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:64px 0 96px;}
  .section-head{max-width:720px;margin-bottom:44px;}
  .section-head h2{margin-bottom:16px;}
  .section-head p{font-size:17px;color:var(--text);}
  .layer{background:var(--bg-layer);}

  .grid-split{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
  .grid-two{display:grid;grid-template-columns:1fr 1fr;gap:24px;}

  .prose-block p{font-size:17px;line-height:1.9;}

  .check-list{margin-top:28px;border-top:1px solid var(--line);}
  .check-list li{
    display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
  }
  .check-list .idx{
    font-size:13px;font-weight:500;letter-spacing:.14em;color:var(--red);padding-top:3px;min-width:26px;
  }
  .check-list strong{display:block;color:var(--ink-title);font-size:16px;font-weight:600;margin-bottom:4px;}
  .check-list span{font-size:15px;color:var(--text);line-height:1.75;}

  .side-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px;box-shadow:var(--shadow);
    transition:box-shadow var(--dur) ease,transform var(--dur) ease;
  }
  .side-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .side-card h3{margin-bottom:6px;}
  .side-card .sub{font-size:13px;color:var(--muted);margin-bottom:20px;}
  .tick-list li{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text);}
  .tick-list li:last-child{border-bottom:0;}
  .tick{
    flex-shrink:0;width:20px;height:20px;border-radius:50%;margin-top:3px;
    display:inline-flex;align-items:center;justify-content:center;background:var(--green-soft);
  }
  .tick svg{width:12px;height:12px;stroke:var(--green);}
  .badge{
    display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge-red{background:var(--red-soft);color:var(--red);}
  .badge-green{background:var(--green-soft);color:#1B8A4E;}
  .badge-plain{background:var(--bg-layer);color:var(--text);}

  .pair-col{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:32px;box-shadow:var(--shadow);
  }
  .pair-col h3{margin-bottom:20px;display:flex;align-items:center;gap:10px;}
  .pair-col .dot{width:8px;height:8px;border-radius:50%;background:var(--red);display:inline-block;}
  .pair-list li{padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.8;}
  .pair-list li:last-child{border-bottom:0;padding-bottom:0;}
  .pair-list b{color:var(--ink-title);font-weight:600;}

  .info-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--shadow);
    transition:box-shadow var(--dur) ease,transform var(--dur) ease;
    display:flex;flex-direction:column;
  }
  .info-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .info-card .thumb{overflow:hidden;aspect-ratio:16/10;background:var(--bg-layer);}
  .info-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease;}
  .info-card:hover .thumb img{transform:scale(1.03);}
  .info-card .body{padding:28px;}
  .info-card .body h3{margin-bottom:12px;}
  .info-card .body p{font-size:15.5px;line-height:1.85;}
  .info-card .body ul{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}

  .cta-band{background:var(--ink);color:#fff;padding:80px 0;}
  .cta-band h2{color:#fff;margin-bottom:14px;}
  .cta-band p{color:rgba(255,255,255,.72);max-width:620px;font-size:16px;}
  .cta-band .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
  .cta-band .foot-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5);}

  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
  .reveal.in{opacity:1;transform:none;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:#B7BCC2;padding:72px 0 0;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.10);}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
  .footer-brand .brand-mark{background:rgba(255,255,255,.08);}
  .footer-brand strong{color:#fff;font-size:16px;}
  .site-footer p{font-size:14.5px;line-height:1.85;color:#B7BCC2;margin-bottom:20px;max-width:320px;}
  .site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:14.5px;color:#B7BCC2;}
  .footer-links a:hover{color:#fff;}
  .footer-contact li{font-size:14.5px;margin-bottom:11px;}
  .footer-contact span{color:#fff;}
  .foot-cta{background:var(--red);border-color:var(--red);color:#fff;}
  .foot-cta:hover{background:var(--red-deep);border-color:var(--red-deep);color:#fff;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    padding:24px 0 30px;font-size:13px;color:#8A8F96;
  }
  .footer-bottom span a{color:#8A8F96;margin-left:16px;}
  .footer-bottom span a:hover{color:#fff;}

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .container-x{max-width:1140px;}
  }
  @media (max-width:1023.98px){
    .container-x{padding:0 20px;}
    .nav-toggle{display:flex;}
    .nav-menu{
      position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
      background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
      gap:2px;padding:88px 24px 32px;overflow-y:auto;
      transform:translateX(100%);transition:transform .28s ease;
      box-shadow:-16px 0 40px -24px rgba(16,19,23,.35);
    }
    .nav-menu.open{transform:translateX(0);}
    .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;}
    .nav-link::after{display:none;}
    .nav-link.active{color:var(--red);}
    .nav-cta{margin-top:22px;height:46px;width:100%;}
    .page-hero{padding:56px 0 48px;}
    .page-hero h1{font-size:32px;}
    .page-hero .lead{font-size:16px;}
    .section{padding:72px 0;}
    .section-tight{padding:52px 0 72px;}
    .grid-split{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:639.98px){
    body{font-size:16px;}
    .container-x{padding:0 16px;}
    h1{font-size:28px;}
    h2{font-size:24px;}
    h3{font-size:18px;}
    .nav-inner{height:60px;}
    .page-hero{padding:48px 0 40px;}
    .page-hero h1{font-size:28px;}
    .page-hero .lead{font-size:16px;margin-top:14px;}
    .section{padding:56px 0;}
    .section-tight{padding:40px 0 56px;}
    .grid-two{grid-template-columns:1fr;}
    .pair-col{padding:24px;}
    .side-card{padding:22px;}
    .info-card .body{padding:22px;}
    .cta-band{padding:56px 0;}
    .cta-band .row{flex-direction:column;align-items:flex-start;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .footer-bottom span a{margin-left:0;margin-right:16px;}
    .btn{width:100%;}
    .btn-sm{width:auto;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category2 */
:root{
  --red:#D22630;
  --red-dark:#B01D26;
  --red-soft:#FDEDEF;
  --green:#2FBF71;
  --green-soft:#E8F7EF;
  --ink:#101317;
  --ink-2:#14161A;
  --bg:#F7F6F2;
  --bg-2:#ECEAE4;
  --card:#FFFFFF;
  --text:#4A5058;
  --muted:#8A8F96;
  --line:#E4E1DA;
  --r-card:6px;
  --r-img:4px;
  --r-btn:3px;
  --sh-1:0 1px 2px rgba(16,19,23,.05);
  --sh-2:0 14px 28px -14px rgba(16,19,23,.20);
  --t:.24s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-2);line-height:1.25;font-weight:700;}
p{margin:0;}
ol,ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#9AA0A8;font-size:13px;line-height:1.6;border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;height:36px;}
.topbar span b{color:#E8EAED;font-weight:500;}
.topbar .dot{display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--green);margin-right:8px;vertical-align:middle;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);transition:box-shadow var(--t),background var(--t);}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,19,23,.6);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;border-radius:999px;background:var(--red);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:19px;height:19px;stroke:#fff;fill:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:.04em;}
.brand-text em{font-style:normal;font-size:10.5px;color:#8A8F96;letter-spacing:.26em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;padding:9px 13px;font-size:14.5px;color:#C3C8CE;transition:color var(--t);white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;background:var(--red);transition:left var(--t),right var(--t);}
.nav-link:hover{color:#fff;}
.nav-link.active{color:#fff;font-weight:500;}
.nav-link.active::after{left:13px;right:13px;}
.nav-cta{margin-left:14px;}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:22px;height:2px;background:#E8EAED;transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:500;padding:0 22px;height:48px;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);cursor:pointer;}
.btn:focus-visible{outline:2px solid var(--red);outline-offset:2px;}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px);}
.btn-outline{border-color:var(--ink);color:var(--ink-2);background:transparent;}
.btn-outline:hover{background:var(--red-soft);border-color:var(--red);color:var(--red-dark);}
.btn-ghost{padding:0;height:auto;color:var(--ink-2);font-weight:500;border:0;background:transparent;}
.btn-ghost .arw{transition:transform var(--t);}
.btn-ghost:hover{color:var(--red);}
.btn-ghost:hover .arw{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F1EFEA;transform:translateY(-1px);}

/* ---------- 通用区块 ---------- */
.sec{padding:96px 0;background:var(--bg);}
.sec-alt{background:var(--bg-2);}
.sec-white{background:#fff;}
.sec-dark{background:var(--ink);}
.sec-head{max-width:720px;margin-bottom:48px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:14px;}
.sec-head h2{font-size:30px;font-weight:700;margin-bottom:16px;}
.sec-sub{font-size:17px;color:var(--text);}
.sec-dark h2,.sec-dark h3{color:#fff;}
.sec-dark .sec-sub{color:#B7BCC2;}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;background-color:var(--ink);background-image:linear-gradient(105deg,rgba(16,19,23,.94) 0%,rgba(16,19,23,.78) 55%,rgba(210,38,48,.42) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;color:#fff;padding:64px 0 56px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.breadcrumb .cur{color:#fff;}
.page-hero h1{color:#fff;font-size:44px;font-weight:700;max-width:820px;letter-spacing:.01em;}
.page-hero h1 .hl{position:relative;display:inline-block;}
.page-hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:3px;background:var(--red);}
.page-hero .lead{margin-top:18px;max-width:700px;font-size:18px;color:rgba(255,255,255,.82);line-height:1.8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tag{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:5px 14px;font-size:13px;color:rgba(255,255,255,.86);}
.hero-tag i{width:6px;height:6px;border-radius:999px;background:var(--green);display:inline-block;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative;padding-top:8px;}
.steps::before{content:"";position:absolute;top:27px;left:24px;right:24px;height:1px;background:var(--line);}
.step{position:relative;padding-top:46px;}
.step-num{position:absolute;top:0;left:0;width:40px;height:40px;border-radius:999px;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--red);letter-spacing:.06em;font-variant-numeric:tabular-nums;z-index:2;}
.step h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.step p{font-size:15px;color:var(--text);line-height:1.8;}

/* ---------- 横向长条卡 ---------- */
.strip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.strip-card{display:grid;grid-template-columns:150px 1fr;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--t),transform var(--t);}
.strip-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.strip-media{overflow:hidden;}
.strip-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--t);}
.strip-card:hover .strip-media img{transform:scale(1.03);}
.strip-body{padding:22px 24px;}
.strip-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.strip-body p{font-size:15px;line-height:1.8;}
.mini-tag{display:inline-block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;color:var(--red-dark);background:var(--red-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px;}

/* ---------- 状态说明 ---------- */
.status-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.status-copy p+p{margin-top:20px;}
.status-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.status-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center;}
.status-row:last-child{border-bottom:0;}
.status-row .st-name{font-size:15px;font-weight:600;color:var(--ink-2);}
.status-row .st-desc{font-size:15px;line-height:1.75;}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 11px;font-size:12.5px;font-weight:500;}
.badge-red{background:var(--red-soft);color:var(--red-dark);}
.badge-green{background:var(--green-soft);color:#1E7F4C;}
.badge-grey{background:#F0EEE9;color:#5C636B;}
.status-row .st-name .badge{margin-right:8px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:flex-start;gap:16px;padding:24px 0;cursor:pointer;}
.faq-num{font-size:13px;font-weight:600;color:var(--red);letter-spacing:.06em;padding-top:5px;min-width:28px;font-variant-numeric:tabular-nums;}
.faq-q h3{font-size:17px;font-weight:600;flex:1;}
.faq-icon{width:22px;height:22px;flex:0 0 auto;margin-top:3px;position:relative;transition:transform var(--t);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);}
.faq-icon::before{left:5px;right:5px;top:10px;height:1.6px;}
.faq-icon::after{top:5px;bottom:5px;left:10px;width:1.6px;transition:opacity var(--t);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t);}
.faq-a p{padding:0 32px 24px 44px;font-size:16px;color:var(--text);}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink-2);margin-bottom:8px;}
.field label .req{color:var(--red);margin-left:4px;}
.field input,.field select,.field textarea{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FCFBF9;padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t);}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(210,38,48,.12);}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--red);flex:0 0 auto;}
.form-note{margin-top:14px;font-size:13px;color:var(--muted);}
.form-msg{margin-top:14px;font-size:14px;color:#1E7F4C;background:var(--green-soft);border-radius:var(--r-btn);padding:10px 14px;display:none;}
.form-msg.show{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-inner p{color:#B7BCC2;font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B7BCC2;padding:72px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand strong{color:#fff;font-size:16px;letter-spacing:.04em;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#B7BCC2;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:#B7BCC2;transition:color var(--t);}
.footer-links a:hover{color:#fff;}
.footer-contact li{font-size:14.5px;margin-bottom:11px;}
.footer-contact span{color:#fff;}
.foot-cta{margin-top:20px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:56px;padding:22px 0 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A8F96;}
.footer-bottom a{color:#8A8F96;margin-left:18px;transition:color var(--t);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 滚动渐显 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container-x{padding:0 24px;}
}
@media (max-width:1023px){
  .nav-menu{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100vh;background:var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:88px 22px 32px;transform:translateX(102%);transition:transform .28s ease;box-shadow:-18px 0 40px -22px rgba(0,0,0,.6);overflow-y:auto;}
  .nav-menu.is-open{transform:translateX(0);}
  .nav-link{padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-link::after{display:none;}
  .nav-cta{margin:22px 0 0;width:100%;height:46px;}
  .nav-toggle{display:flex;}
  .sec{padding:72px 0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .steps::before{display:none;}
  .status-wrap,.form-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .page-hero h1{font-size:36px;}
  .cta-inner h2{font-size:26px;}
}
@media (max-width:767px){
  .strip-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .sec-head h2{font-size:24px;}
  .page-hero{padding:52px 0 44px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .status-row{grid-template-columns:1fr;gap:6px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container-x{padding:0 16px;}
  .sec{padding:56px 0;}
  .steps{grid-template-columns:1fr;gap:0;padding-top:0;}
  .step{padding:0 0 28px 52px;}
  .step-num{top:2px;}
  .steps .step:not(:last-child)::after{content:"";position:absolute;left:19px;top:44px;bottom:6px;width:1px;background:var(--line);}
  .strip-card{grid-template-columns:1fr;}
  .strip-media img{height:180px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom a{margin:0 16px 0 0;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .faq-a p{padding:0 8px 22px 44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --red:#D22630;
  --red-deep:#B01E28;
  --red-soft:#FDEDEF;
  --ink:#101317;
  --green:#2FBF71;
  --green-soft:#E9F8F0;
  --bg:#F7F6F2;
  --bg2:#ECEAE4;
  --card:#FFFFFF;
  --t1:#14161A;
  --t2:#4A5058;
  --t3:#8A8F96;
  --line:#E4E1DA;
  --r-card:6px;
  --r-img:4px;
  --r-btn:3px;
  --sh:0 1px 2px rgba(16,19,23,.05);
  --sh-hover:0 14px 28px -14px rgba(16,19,23,.20);
  --ease:cubic-bezier(.4,0,.2,1);
  --dur:.25s;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--t2);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--red)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.25;font-weight:700}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:20px;font-weight:600}
h4{font-size:15px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;border-radius:3px}
.num{font-variant-numeric:tabular-nums}

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

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:#B7BCC2;font-size:13px;letter-spacing:.01em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar a{color:#fff}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,19,23,.05);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:8px;
  background:var(--ink);color:#fff;
}
.brand-mark svg{width:20px;height:20px;margin:0;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;color:var(--t1);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--t3);letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--t2);border-radius:3px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;background:var(--red);
  transition:left var(--dur) var(--ease),right var(--dur) var(--ease);
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link.active{color:var(--t1);font-weight:600}
.nav-link.active::after{left:12px;right:12px}
.nav-cta{margin-left:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:#fff;border:1px solid var(--line);border-radius:3px;cursor:pointer;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(16,19,23,.45);opacity:0;visibility:hidden;z-index:65;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.nav-backdrop.show{opacity:1;visibility:visible}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--red-soft);border-color:var(--red);color:var(--red)}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}
.btn-light{background:#fff;color:var(--red)}
.btn-light:hover{background:#FFF3F4;color:var(--red-deep);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;
  color:var(--red);font-weight:600;font-size:15px;cursor:pointer;
}
.btn-text svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform var(--dur) var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}

/* ===== 内页页头 ===== */
.page-hero{position:relative;background:var(--ink);overflow:hidden}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(16,19,23,.94) 0%,rgba(16,19,23,.74) 52%,rgba(16,19,23,.5) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:800px;padding:72px 0 64px}
.kicker{
  font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.72);margin-bottom:14px;
}
.page-hero h1{color:#fff;font-size:40px}
.page-hero h1 .hl{position:relative;display:inline-block}
.page-hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;background:var(--red);
}
.page-hero .lead{margin-top:16px;color:rgba(255,255,255,.8);font-size:18px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ===== 面包屑 ===== */
.crumb-bar{background:var(--bg2);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:10px;min-height:52px;font-size:14px;color:var(--t3);flex-wrap:wrap}
.crumb a:hover{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#BEB9AE}
.crumb .current{color:var(--t1)}

/* ===== 板块 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg2)}
.section-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red);margin-bottom:12px;
}
.sec-head p{margin-top:16px;font-size:17px}
.sec-head h2{font-size:30px}

/* ===== 对照表 ===== */
.table-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp{min-width:720px;font-size:16px}
.cmp thead th{
  background:#F1EFE9;text-align:left;padding:16px 22px;font-size:13px;font-weight:600;
  color:var(--t1);letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp tbody td{padding:18px 22px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--t2)}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr{transition:background var(--dur) var(--ease)}
.cmp tbody tr:hover{background:#FAF9F6}
.cmp .cell-key{color:var(--t1);font-weight:600;white-space:nowrap}
.cmp .row-key td{background:#FFF9F9;color:var(--t1)}
.cmp .row-key td:first-child{border-left:3px solid var(--red);padding-left:19px}
.cmp .ok{color:#1E8A50}
.cmp .bad{color:#A81C26}
.table-note{
  margin-top:16px;font-size:13px;color:var(--t3);display:flex;align-items:flex-start;gap:8px;
}
.table-note svg{width:15px;height:15px;flex:none;margin-top:5px;stroke:var(--t3);fill:none;stroke-width:1.8}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-red{background:var(--red-soft);color:#A81C26}
.badge-green{background:var(--green-soft);color:#1E8A50}
.badge-bone{background:#EFEDE7;color:#4A5058}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ===== 卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DAD6CC}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px}
.card-body p{font-size:15px;line-height:1.8;color:var(--t2)}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);
}
.card-foot svg{width:16px;height:16px;stroke:var(--red);fill:none;stroke-width:2;transition:transform var(--dur) var(--ease)}
.card:hover .card-foot svg{transform:translateX(3px)}

/* ===== 双栏说明 ===== */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.split .panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
}
.panel h3{margin-bottom:14px}
.panel ul{display:flex;flex-direction:column;gap:0}
.panel li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--t2);
}
.panel li:last-child{border-bottom:none}
.panel li svg{width:16px;height:16px;flex:none;margin-top:6px;stroke:var(--green);fill:none;stroke-width:2.2}

/* ===== FAQ ===== */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;padding:22px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  text-align:left;font-size:18px;font-weight:600;color:var(--t1);cursor:pointer;line-height:1.5;
}
.faq-q:hover{color:var(--red)}
.faq-q svg{
  width:18px;height:18px;flex:none;margin-top:5px;stroke:currentColor;fill:none;stroke-width:2;
  transition:transform .3s var(--ease);
}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 0 24px;max-width:840px;font-size:16px;line-height:1.85;color:var(--t2)}
.faq-item.open .faq-a{display:block}

/* ===== 表单 ===== */
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.lead-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t1);margin-bottom:8px}
.field .req{color:var(--red);margin-left:4px}
.control{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--t1);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
textarea.control{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.control::placeholder{color:#A9ABAF}
.control:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(210,38,48,.12)}
.control.invalid{border-color:var(--red);background:#FFF9F9}
.err{display:none;margin-top:6px;font-size:13px;color:var(--red)}
.err.show{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);line-height:1.7}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--red);flex:none}
.form-note{margin-top:14px;font-size:13px;color:var(--t3)}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-btn);
  background:var(--green-soft);color:#1E6E44;font-size:14px;
}
.form-ok.show{display:block}

/* ===== CTA ===== */
.cta-band{background:var(--red);color:#fff}
.cta-inner{padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;max-width:620px}
.cta-inner .sub{margin-top:12px;color:rgba(255,255,255,.85);font-size:15px;max-width:560px}

/* ===== 滚动渐显 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#B7BCC2;padding:72px 0 0;font-size:15px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-grid h4{color:#fff;margin-bottom:18px;font-size:15px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--red)}
.footer-brand strong{color:#fff;font-size:16px}
.site-footer p{font-size:14px;line-height:1.85;color:#B7BCC2;max-width:320px}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-contact li{display:flex;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.10)}
.footer-contact span{color:#fff}
.foot-cta{margin-top:22px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0 32px;font-size:13px;color:#8A8F96;
}
.footer-bottom a{margin-left:16px}
.footer-bottom a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  h1{font-size:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:60px 0}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:min(330px,86vw);
    background:#fff;z-index:70;flex-direction:column;align-items:stretch;gap:0;
    padding:92px 20px 28px;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s var(--ease);
    box-shadow:-18px 0 44px -26px rgba(16,19,23,.42);
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-link{padding:15px 6px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--red)}
  .nav-cta{margin:22px 0 0;width:100%}
  .split,.form-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .page-hero-inner{padding:60px 0 54px}
  .page-hero h1{font-size:32px}
}
@media (max-width:767px){
  h2{font-size:24px}
  .sec-head h2{font-size:24px}
  .page-hero h1{font-size:28px}
  .page-hero .lead{font-size:16px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .topbar{font-size:12px}
  .topbar-inner{justify-content:center}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-bottom a{margin-left:0;margin-right:16px}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:23px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .hero-actions .btn{width:100%}
  .lead-form{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --red:#D22630;
  --red-dark:#B01D26;
  --red-soft:#FDEDEF;
  --ink:#101317;
  --title:#14161A;
  --body:#4A5058;
  --muted:#8A8F96;
  --bg:#F7F6F2;
  --bg2:#ECEAE4;
  --card:#FFFFFF;
  --border:#E4E1DA;
  --green:#2FBF71;
  --green-soft:#E8F7EF;
  --r-card:6px;
  --r-img:4px;
  --r-btn:3px;
  --sh1:0 1px 2px rgba(16,19,23,.05);
  --sh2:0 14px 28px -14px rgba(16,19,23,.20);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--body);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.25;font-weight:700}
h3{font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#B7BCC2;font-size:13px;letter-spacing:.02em}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar span{white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;border-radius:5px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:18px;height:18px;stroke:var(--red);fill:none}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;color:var(--title);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:#3E444B;border-radius:3px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;background:var(--red);transition:left .22s ease,right .22s ease}
.nav-link:hover{color:var(--title)}
.nav-link:hover::after,.nav-link.active::after{left:12px;right:12px}
.nav-link.active{color:var(--title);font-weight:600}
.nav-cta{margin-left:14px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;border:1px solid var(--border);background:#fff;border-radius:4px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{position:fixed;inset:0;background:rgba(16,19,23,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:85}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--red-soft);border-color:var(--red);color:var(--red-dark)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F2F0EA;transform:translateY(-1px)}
.btn-ghost{color:var(--title);background:transparent;padding:0 4px}
.btn-ghost::after{content:"→";margin-left:2px;transition:transform .2s ease}
.btn-ghost:hover::after{transform:translateX(3px)}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);padding:92px 0 76px;isolation:isolate}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(16,19,23,.94) 0%,rgba(16,19,23,.78) 52%,rgba(16,19,23,.52) 100%)}
.page-hero-inner{position:relative;max-width:780px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:#B7BCC2;margin-bottom:22px}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:#6B7078}
.breadcrumb .current{color:#fff}
.page-hero h1{color:#fff;font-size:44px;letter-spacing:-.01em}
.hl{background-image:linear-gradient(transparent 62%,rgba(210,38,48,.72) 62%)}
.page-hero-sub{margin-top:18px;font-size:18px;color:#D8DCE1;max-width:640px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.page-hero-actions .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.page-hero-actions .btn-outline:hover{background:rgba(210,38,48,.24);border-color:var(--red);color:#fff}

/* ---------- 通用区块 ---------- */
.sec{padding:96px 0}
.sec-alt{background:var(--bg2)}
.sec-head{max-width:760px;margin-bottom:44px}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);font-weight:500;margin-bottom:12px}
.sec-head h2{font-size:30px}
.sec-head p{margin-top:16px;font-size:17px}

/* ---------- 现象归类（行式列表） ---------- */
.rowlist{border-top:1px solid var(--border)}
.row{display:grid;grid-template-columns:104px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--border);transition:background .2s ease,padding .2s ease}
.row:hover{background:#fff}
.row .num{font-size:36px;font-weight:700;color:var(--red);font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1}
.row h3{font-size:20px}
.row p{margin-top:10px;font-size:16px}

/* ---------- 时间轴自查 ---------- */
.check-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:14px;width:1px;background:var(--border)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-34px;top:6px;width:19px;height:19px;border-radius:999px;background:#fff;border:1px solid var(--border)}
.tl-item::after{content:"";position:absolute;left:-29px;top:11px;width:9px;height:9px;border-radius:999px;background:var(--red)}
.tl-item h3{font-size:19px}
.tl-item p{margin-top:8px;font-size:16px}
.check-note{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh1)}
.check-note h3{font-size:20px;margin-bottom:16px}
.check-note li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border);font-size:15px}
.check-note li:last-child{border-bottom:0}
.check-note .tick{flex:0 0 auto;width:18px;height:18px;margin-top:4px;stroke:var(--green);fill:none}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--border)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:24px 0;font-size:18px;font-weight:600;color:var(--title);transition:color .2s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--red-dark)}
.faq .chev{flex:0 0 auto;width:22px;height:22px;margin-top:4px;stroke:var(--red);fill:none;transition:transform .25s ease}
.faq details[open] .chev{transform:rotate(180deg)}
.faq .ans{padding:0 0 26px;max-width:840px;font-size:16px;color:var(--body)}

/* ---------- 底部小卡混排 ---------- */
.bento{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
.bcard{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh1);transition:transform .22s ease,box-shadow .22s ease;overflow:hidden}
.bcard:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.bcard-body{padding:26px 28px}
.bcard h3{font-size:20px;margin-bottom:10px}
.bcard p{font-size:16px}
.bcard-media{position:relative;overflow:hidden}
.bcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.bcard:hover .bcard-media img{transform:scale(1.03)}
.bcard-feature{grid-row:span 2;display:flex;flex-direction:column}
.bcard-feature .bcard-media{flex:1 1 auto;min-height:240px}
.bcard-wide{grid-column:1 / -1;display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:13px;font-weight:500;background:var(--red-soft);color:var(--red-dark);margin-bottom:14px}
.badge-green{background:var(--green-soft);color:#1F8B52}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);padding:68px 0}
.cta-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:#B7BCC2;font-size:15px;margin-top:12px;max-width:560px}
.cta-band .btn-primary{min-width:180px}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(16,19,23,.55)}
.modal-card{position:relative;z-index:2;width:100%;max-width:520px;max-height:90vh;overflow:auto;background:#fff;border-radius:6px;padding:32px;box-shadow:0 24px 60px -20px rgba(16,19,23,.45);animation:pop .22s ease-out}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.modal-close{position:absolute;top:12px;right:12px;width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--border);background:#fff;border-radius:4px;cursor:pointer;color:var(--body);font-size:20px;line-height:1;transition:border-color .2s ease,color .2s ease}
.modal-close:hover{border-color:var(--red);color:var(--red)}
.modal-card h3{font-size:22px;margin-bottom:8px}
.modal-card .modal-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--title);margin-bottom:8px}
.field .req{color:var(--red);margin-left:2px}
.field input,.field textarea,.field select{width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--border);border-radius:3px;background:#fff;font-size:15px;font-family:inherit;color:var(--title);transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:104px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(210,38,48,.12)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check input{width:16px;height:16px;min-height:0;margin-top:4px;flex:0 0 auto;accent-color:var(--red)}
.form-tip{font-size:13px;color:var(--muted);margin-top:16px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B7BCC2;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:#1A1E24}
.footer-brand strong{font-size:17px;color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:#B7BCC2;max-width:330px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{transition:color .2s ease}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-contact span{color:#fff}
.foot-cta{margin-top:20px}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A8F96}
.footer-bottom span{display:inline-flex;gap:16px;flex-wrap:wrap}
.footer-bottom a:hover{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-menu{position:fixed;top:0;right:0;bottom:0;width:302px;max-width:86vw;z-index:90;flex-direction:column;align-items:stretch;gap:0;padding:84px 20px 24px;background:#fff;transform:translateX(102%);transition:transform .28s ease;box-shadow:-14px 0 40px -20px rgba(16,19,23,.35);overflow:auto}
  .nav-menu.is-open{transform:none}
  .nav-link{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--red-dark)}
  .nav-cta{margin:22px 0 0;width:100%}
  .nav-toggle{display:flex}
  .check-wrap{grid-template-columns:1fr;gap:40px}
}
@media (max-width:900px){
  .bento{grid-template-columns:1fr}
  .bcard-feature{grid-row:auto}
  .bcard-feature .bcard-media{min-height:200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container-x{padding:0 16px}
  .sec{padding:56px 0}
  .page-hero{padding:64px 0 52px}
  .page-hero h1{font-size:30px}
  .page-hero-sub{font-size:16px}
  .page-hero-actions .btn{width:100%}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .row{grid-template-columns:58px 1fr;gap:16px;padding:24px 0}
  .row .num{font-size:26px}
  .row h3{font-size:18px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:24px}
  .cta-band .btn{width:100%}
  .bcard-wide{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:520px){
  .topbar .container-x{flex-direction:column;align-items:flex-start;gap:2px;padding:8px 16px}
  .faq summary{font-size:16px;gap:16px}
  .bcard-body{padding:22px}
  .modal-card{padding:24px}
}