/* roulang page: index */
:root{
    --ink:#17252A;
    --ink-2:#5A6B70;
    --brand:#1F4E5F;
    --brand-deep:#143A47;
    --accent:#E8663F;
    --accent-soft:#FDEDE7;
    --mint:#DCEBE8;
    --bg:#FAF8F4;
    --surface:#FFFFFF;
    --line:#E4E7E4;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow-1:0 8px 24px rgba(23,37,42,.07);
    --shadow-2:0 14px 32px rgba(23,37,42,.10);
    --shadow-nav:0 2px 12px rgba(23,37,42,.08);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--radius-img);}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,figure{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:40px;
    padding-right:40px;
  }

  /* ========== 顶部信息条 ========== */
  .topbar{
    background:var(--ink);
    color:#C9D3D2;
    font-size:12.5px;
    line-height:1.5;
  }
  .topbar .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:36px;
    padding-top:5px;
    padding-bottom:5px;
    flex-wrap:wrap;
  }
  .topbar-domain{letter-spacing:.02em;opacity:.85;}
  .topbar-mid{flex:1;text-align:center;color:#C9D3D2;}
  .topbar-right{display:flex;align-items:center;gap:18px;}
  .topbar-right a{color:#DDE5E4;transition:color .18s ease;}
  .topbar-right a:hover{color:#FFFFFF;}
  .topbar-pill{
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 14px;
    border:1px solid rgba(255,255,255,.35);
    border-radius:999px;
    font-size:12.5px;
    color:#FFFFFF;
    transition:background .18s ease,border-color .18s ease;
  }
  .topbar-pill:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);}

  /* ========== 主导航 ========== */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-nav);}
  .nav-wrap{
    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:28px;height:28px;flex-shrink:0;}
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
  .brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;margin-top:2px;}

  .main-nav{display:flex;align-items:center;gap:28px;}
  .main-nav a{
    position:relative;
    font-size:15px;
    color:var(--ink-2);
    padding:6px 0;
    transition:color .18s ease;
    white-space:nowrap;
  }
  .main-nav a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:2px;
    background:var(--brand);
    border-radius:2px;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .18s ease;
  }
  .main-nav a:hover{color:var(--brand);}
  .main-nav a:hover::after{transform:scaleX(1);}
  .main-nav a.is-active{color:var(--brand);font-weight:600;}
  .main-nav a.is-active::after{transform:scaleX(1);}

  .nav-actions{display:flex;align-items:center;gap:12px;}
  .icon-btn{
    width:42px;height:42px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--surface);
    color:var(--ink-2);
    cursor:pointer;
    transition:all .18s ease;
  }
  .icon-btn:hover{color:var(--brand);border-color:var(--brand);background:#F3F8F8;}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:42px;padding:0 20px;
    background:var(--accent);
    color:#fff;
    font-size:14.5px;font-weight:600;
    border-radius:var(--radius-btn);
    border:none;
    cursor:pointer;
    transition:all .2s ease;
  }
  .nav-cta:hover{background:#D4552F;transform:translateY(-1px);box-shadow:var(--shadow-2);}

  .hamburger{
    display:none;
    width:44px;height:44px;
    align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--surface);
    cursor:pointer;
    color:var(--ink);
  }

  /* 移动抽屉 */
  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(23,37,42,.45);
    opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:90;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .nav-drawer{
    position:fixed;
    top:0;right:0;
    width:300px;max-width:86vw;
    height:100%;
    background:var(--surface);
    z-index:95;
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    display:flex;
    flex-direction:column;
    padding:18px 20px 28px;
    box-shadow:-10px 0 32px rgba(23,37,42,.14);
    overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:14px;
    border-bottom:1px solid var(--line);
    font-size:15px;font-weight:600;color:var(--ink);
  }
  .drawer-close{
    width:40px;height:40px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:10px;
    background:var(--surface);
    font-size:20px;line-height:1;
    color:var(--ink-2);
    cursor:pointer;
  }
  .drawer-close:hover{color:var(--brand);border-color:var(--brand);}
  .drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
  .drawer-nav a{
    display:flex;align-items:center;
    min-height:52px;
    font-size:15px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
    transition:color .18s ease,padding-left .18s ease;
  }
  .drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);padding-left:4px;}
  .drawer-foot{margin-top:auto;padding-top:22px;}

  /* ========== 通用按钮 ========== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--accent);color:#FFFFFF;}
  .btn-primary:hover{background:#D4552F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
  .btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
  .btn-ghost:hover{background:var(--mint);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);
    font-size:14.5px;
    font-weight:600;
    transition:color .18s ease;
  }
  .text-link svg{transition:transform .2s ease;}
  .text-link:hover{color:var(--brand-deep);}
  .text-link:hover svg{transform:translateX(3px);}

  /* ========== Hero ========== */
  .hero{position:relative;padding:64px 0 72px;background:var(--bg);overflow:hidden;}
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    height:30px;padding:0 14px;
    background:var(--mint);
    color:var(--brand-deep);
    border-radius:999px;
    font-size:13px;font-weight:600;
    margin-bottom:22px;
  }
  .hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .hero h1{
    font-size:42px;
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .hero h1 .hl{color:var(--brand);}
  .hero-sub{
    margin-top:20px;
    font-size:17px;
    line-height:1.8;
    color:var(--ink-2);
    max-width:520px;
  }
  .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-stats{
    display:flex;gap:40px;
    margin-top:44px;
    padding-top:26px;
    border-top:1px solid var(--line);
    flex-wrap:wrap;
  }
  .stat-num{
    font-family:"Inter",system-ui,-apple-system,sans-serif;
    font-size:28px;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--accent);
    line-height:1.2;
  }
  .stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px;}
  .stat-label{font-size:12.5px;color:var(--ink-2);margin-top:2px;}

  .hero-visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);}
  .hero-visual img{width:100%;height:430px;object-fit:cover;border-radius:0;}
  .hero-visual-mask{
    position:absolute;inset:0;
    background:linear-gradient(160deg,rgba(250,248,244,.66) 0%,rgba(31,78,95,.62) 100%);
  }
  .hero-float{
    position:absolute;
    left:24px;right:24px;bottom:24px;
    background:rgba(255,255,255,.95);
    border-radius:14px;
    padding:18px 20px;
    box-shadow:var(--shadow-1);
    backdrop-filter:blur(2px);
  }
  .hero-float strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;}
  .hero-float span{font-size:13px;color:var(--ink-2);line-height:1.6;}

  /* ========== 保障条 ========== */
  .assure{background:var(--mint);padding:0;}
  .assure-list{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    padding:24px 0;
  }
  .assure-item{display:flex;align-items:flex-start;gap:12px;}
  .assure-item svg{flex-shrink:0;color:var(--brand);margin-top:2px;}
  .assure-title{font-size:14px;font-weight:600;color:var(--brand-deep);line-height:1.4;}
  .assure-desc{font-size:12.5px;color:var(--ink-2);line-height:1.6;margin-top:2px;}

  /* ========== 通用板块 ========== */
  .section{padding:88px 0;}
  .section-alt{background:var(--surface);}
  .section-mint{background:var(--mint);}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:40px;
    flex-wrap:wrap;
  }
  .section-head h2{
    font-size:27px;
    font-weight:700;
    line-height:1.35;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .section-head .desc{
    font-size:15px;
    color:var(--ink-2);
    margin-top:8px;
    max-width:640px;
  }

  /* ========== 卡片网格 ========== */
  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .card{
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .card:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .card-cover{position:relative;background:var(--mint);}
  .card-cover img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:0;
  }
  .card-badge{
    position:absolute;left:12px;top:12px;
    display:inline-flex;align-items:center;
    height:24px;padding:0 10px;
    background:rgba(255,255,255,.94);
    color:var(--brand-deep);
    font-size:12px;font-weight:600;
    border-radius:999px;
  }
  .card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
  .card-title{
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    color:var(--ink);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    min-height:51px;
  }
  .card-desc{
    margin-top:10px;
    font-size:14px;
    line-height:1.7;
    color:var(--ink-2);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-foot{
    margin-top:auto;
    padding-top:16px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--ink-2);
  }
  .card-foot .arrow{color:var(--brand);transition:transform .2s ease;}
  .card:hover .card-foot .arrow{transform:translateX(3px);}

  /* ========== 数据带 ========== */
  .data-band{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .data-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:28px 24px;
    box-shadow:var(--shadow-1);
  }
  .data-item .num{
    font-family:"Inter",system-ui,sans-serif;
    font-size:34px;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--brand);
    line-height:1.15;
  }
  .data-item .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-2);margin-left:6px;}
  .data-item .label{font-size:14px;font-weight:600;color:var(--ink);margin-top:8px;}
  .data-item .sub{font-size:12.5px;color:var(--ink-2);margin-top:4px;line-height:1.6;}

  /* ========== 评价轮播 ========== */
  .review-head{display:flex;align-items:center;gap:12px;}
  .circle-btn{
    width:40px;height:40px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:50%;
    background:var(--surface);
    color:var(--brand);
    cursor:pointer;
    transition:all .2s ease;
  }
  .circle-btn:hover{border-color:var(--brand);background:var(--mint);}
  .circle-btn:disabled{opacity:.4;cursor:not-allowed;}
  .review-viewport{overflow:hidden;margin-top:8px;}
  .review-track{
    display:flex;
    gap:24px;
    transition:transform .45s cubic-bezier(.4,0,.2,1);
    will-change:transform;
  }
  .review-card{
    flex:0 0 calc((100% - 48px) / 3);
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px 24px;
    box-shadow:var(--shadow-1);
    display:flex;
    flex-direction:column;
  }
  .quote-ico{color:var(--accent);opacity:.85;margin-bottom:14px;}
  .review-text{
    font-size:15px;
    line-height:1.85;
    color:var(--ink);
    display:-webkit-box;
    -webkit-line-clamp:4;
    -webkit-box-orient:vertical;
    overflow:hidden;
    min-height:110px;
  }
  .review-person{display:flex;align-items:center;gap:12px;margin-top:20px;}
  .avatar{
    width:40px;height:40px;border-radius:50%;
    background:var(--mint);
    color:var(--brand-deep);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;
    flex-shrink:0;
  }
  .person-name{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;}
  .person-role{font-size:12.5px;color:var(--ink-2);line-height:1.5;}
  .stars{display:flex;gap:3px;margin-left:auto;color:var(--accent);}
  .dots{display:flex;justify-content:center;gap:8px;margin-top:28px;}
  .dot-btn{
    width:8px;height:8px;border-radius:50%;
    background:#C7D2D4;border:none;padding:0;cursor:pointer;
    transition:all .2s ease;
  }
  .dot-btn.is-active{width:24px;border-radius:999px;background:var(--brand);}

  /* ========== 最新信息（CMS） ========== */
  .post-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .post-card{
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    min-height:190px;
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDCD9;}
  .post-card .post-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
  .chip{
    display:inline-flex;align-items:center;
    height:24px;padding:0 10px;
    background:var(--mint);
    color:var(--brand-deep);
    font-size:12px;font-weight:600;
    border-radius:999px;
  }
  .post-date{font-size:12.5px;color:var(--ink-2);}
  .post-title{
    font-size:16.5px;
    font-weight:600;
    line-height:1.6;
    color:var(--ink);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .post-summary{
    margin-top:10px;
    font-size:14px;
    line-height:1.7;
    color:var(--ink-2);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .post-more{
    margin-top:auto;
    padding-top:16px;
    font-size:13.5px;
    font-weight:600;
    color:var(--brand);
    display:inline-flex;align-items:center;gap:6px;
  }
  .empty-state{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:10px;
    min-height:180px;
    background:var(--mint);
    border-radius:var(--radius-card);
    padding:32px 24px;
    text-align:center;
    grid-column:1 / -1;
  }
  .empty-state p{font-size:15px;color:var(--brand-deep);font-weight:600;}
  .empty-state span{font-size:13.5px;color:var(--ink-2);}

  /* ========== FAQ ========== */
  .faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
    transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
  }
  .faq-item.is-open{border-color:#C9DCD8;box-shadow:var(--shadow-1);background:#FCFDFC;}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;
    background:transparent;border:none;
    font-size:16px;font-weight:600;
    color:var(--ink);
    text-align:left;
    cursor:pointer;
    line-height:1.6;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex-shrink:0;
    width:22px;height:22px;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--accent);
    font-size:18px;
    line-height:1;
    transition:transform .25s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(180deg);}
  .faq-a{
    display:none;
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }
  .faq-item.is-open .faq-a{display:block;}

  /* ========== CTA ========== */
  .cta-band{
    background:var(--brand-deep);
    border-radius:20px;
    padding:40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
  }
  .cta-band h2{font-size:26px;font-weight:700;color:#FFFFFF;line-height:1.4;}
  .cta-band p{font-size:15px;color:#C9D3D2;margin-top:8px;max-width:560px;line-height:1.75;}

  /* ========== 页脚 ========== */
  .site-footer{background:var(--ink);color:#C9D3D2;padding:64px 0 0;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:44px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-name{color:#FFFFFF;}
  .footer-brand .brand-sub{color:#94A5A6;}
  .footer-desc{font-size:13.5px;line-height:1.85;color:#A9B8B8;max-width:320px;}
  .footer-contact{margin-top:18px;font-size:13px;color:#A9B8B8;line-height:1.9;}
  .footer-col h3{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a{
    font-size:13.5px;
    color:#A9B8B8;
    transition:color .18s ease,padding-left .18s ease;
    display:inline-block;
  }
  .footer-col a:hover{color:#FFFFFF;padding-left:2px;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:#94A5A6;
  }

  /* ========== 响应式 ========== */
  @media (max-width:1279px){
    .hero h1{font-size:38px;}
  }
  @media (max-width:1024px){
    .container{padding-left:32px;padding-right:32px;}
    .main-nav{display:none;}
    .nav-actions .nav-cta{display:none;}
    .hamburger{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero-visual img{height:340px;}
    .hero h1{font-size:34px;}
    .card-grid,.post-grid{grid-template-columns:repeat(2,1fr);}
    .assure-list{grid-template-columns:repeat(2,1fr);gap:20px;}
    .data-band{grid-template-columns:repeat(2,1fr);}
    .review-card{flex:0 0 calc((100% - 24px) / 2);}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
    .footer-grid .footer-col:last-child{grid-column:2 / -1;}
  }
  @media (max-width:768px){
    .section{padding:64px 0;}
    .hero{padding:44px 0 56px;}
    .hero h1{font-size:30px;}
    .hero-sub{font-size:16px;}
    .section-head h2{font-size:23px;}
    .cta-band{padding:32px 24px;}
    .cta-band h2{font-size:22px;}
    .topbar-mid{display:none;}
    .topbar .container{justify-content:space-between;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .footer-grid .footer-col:last-child{grid-column:auto;}
    .footer-desc{max-width:none;}
  }
  @media (max-width:640px){
    .container{padding-left:20px;padding-right:20px;}
    .hero h1{font-size:26px;}
    .hero-btns{gap:12px;}
    .hero-btns .btn{width:100%;}
    .hero-stats{gap:24px;margin-top:32px;}
    .stat-num{font-size:24px;}
    .card-grid,.post-grid{grid-template-columns:1fr;}
    .assure-list{
      display:flex;
      overflow-x:auto;
      scroll-snap-type:x mandatory;
      gap:16px;
      padding:18px 0;
      -webkit-overflow-scrolling:touch;
      scrollbar-width:none;
    }
    .assure-list::-webkit-scrollbar{display:none;}
    .assure-item{
      flex:0 0 76%;
      scroll-snap-align:start;
      background:rgba(255,255,255,.55);
      border-radius:12px;
      padding:12px 14px;
    }
    .data-band{grid-template-columns:1fr;}
    .review-card{flex:0 0 100%;}
    .review-text{min-height:0;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .brand-name{font-size:16px;}
    .cta-band{padding:26px 20px;gap:20px;}
    .cta-band .btn{width:100%;}
  }

/* roulang page: article */
:root{
  --ink:#17252A;
  --ink-2:#5A6B70;
  --brand:#1F4E5F;
  --brand-deep:#143A47;
  --accent:#E8663F;
  --accent-soft:#FDEDE7;
  --mint:#DCEBE8;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E4E7E4;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 8px 24px rgba(23,37,42,.07);
  --shadow-2:0 14px 32px rgba(23,37,42,.10);
  --shadow-nav:0 2px 12px rgba(23,37,42,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
.container{max-width:1200px;margin:0 auto;padding:0 40px;}
.num{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:700;letter-spacing:-.02em;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#C9D3D2;font-size:12.5px;line-height:1.5;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:36px;}
.topbar-domain{font-weight:600;color:#DCE6E4;letter-spacing:.02em;white-space:nowrap;}
.topbar-note{flex:1;text-align:center;color:#93A5A4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-actions{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar-actions a{color:#C9D3D2;transition:color .18s ease;}
.topbar-actions a:hover{color:#FFFFFF;}
.topbar-btn{
  height:28px;display:inline-flex;align-items:center;padding:0 14px;
  border:1px solid rgba(255,255,255,.34);border-radius:999px;
  font-size:12px;font-weight:600;color:#FFFFFF;
  transition:background .18s ease,border-color .18s ease;
}
.topbar-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.logo-sub{font-size:11px;color:var(--ink-2);letter-spacing:.14em;font-weight:500;}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-2);font-weight:500;
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink-2);
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--mint);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#FFFFFF;box-shadow:0 6px 16px rgba(232,102,63,.22);}
.btn-primary:hover{background:#D4552F;transform:translateY(-1px);box-shadow:0 12px 24px rgba(232,102,63,.30);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--mint);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:var(--radius-btn);}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,.card:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;
}

/* ---------- 移动端抽屉 ---------- */
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,37,42,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86%;
  background:var(--surface);z-index:80;transform:translateX(100%);
  transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-8px 0 30px rgba(0,0,0,.16);padding:20px 22px 28px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:15px;font-weight:600;color:var(--ink);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
}
.drawer-close:hover{background:var(--mint);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  height:52px;display:flex;align-items:center;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .18s ease,padding-left .18s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);padding-left:4px;font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ---------- 面包屑 / 文章头 ---------- */
.article-head{background:var(--surface);border-bottom:1px solid var(--line);padding:26px 0 34px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7C1BE;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.article-title{
  font-size:32px;line-height:1.35;font-weight:700;letter-spacing:.01em;
  margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);}
.article-meta .dot{color:#C2CCC9;}
.meta-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--mint);color:var(--brand);font-size:12px;font-weight:600;
}

/* ---------- 文章主体 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 280px;
  gap:64px;align-items:start;padding:48px 0 88px;justify-content:space-between;
}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:40px 44px 44px;max-width:760px;
}
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink);word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:22px;line-height:1.5;font-weight:700;
  margin:38px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:18px;line-height:1.6;font-weight:700;margin:28px 0 12px;color:var(--brand-deep);}
.article-body h4{font-size:16.5px;font-weight:700;margin:22px 0 10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;font-weight:500;}
.article-body a:hover{color:var(--accent);}
.article-body img{border-radius:var(--radius-img);margin:24px auto;max-width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--mint);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--brand-deep);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 20px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--brand);font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;}
.article-body th{background:var(--mint);color:var(--brand-deep);font-weight:600;text-align:left;}
.article-body th,.article-body td{height:44px;padding:10px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even) td{background:#FBFAF7;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{background:var(--mint);padding:2px 6px;border-radius:6px;font-size:14px;}
.empty-state{text-align:center;padding:56px 20px;background:var(--mint);border-radius:var(--radius-card);}
.empty-state svg{margin:0 auto 16px;}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:24px;line-height:1.8;}

/* ---------- 标签与操作行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;font-weight:500;transition:all .18s ease;
}
.tag:hover{background:var(--mint);color:var(--brand);border-color:var(--mint);}
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:28px;
}
.share-box{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);}
.share-dot{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);cursor:pointer;
  transition:all .18s ease;
}
.share-dot:hover{background:var(--mint);color:var(--brand);border-color:var(--mint);}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 24px;box-shadow:var(--shadow-1);
}
.side-title{
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-list{list-style:none;display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;color:var(--ink-2);padding:9px 0;line-height:1.6;
  transition:color .18s ease,transform .18s ease;
}
.side-list a:hover{color:var(--brand);transform:translateX(3px);}
.side-list a span.arrow{color:#B7C1BE;font-size:13px;}
.side-cta{background:var(--mint);border:none;}
.side-cta .side-title{border-bottom-color:rgba(31,78,95,.16);}
.side-cta p{font-size:13.5px;line-height:1.8;color:var(--brand-deep);margin-bottom:16px;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:26px;font-weight:700;letter-spacing:.01em;}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;}
.text-link svg{transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(3px);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8DEDA;}
.card-cover{position:relative;aspect-ratio:16/10;background:var(--mint);overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-badge{
  position:absolute;left:12px;top:12px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:999px;background:rgba(255,255,255,.94);
  color:var(--brand);font-size:12px;font-weight:600;backdrop-filter:blur(2px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);
}
.card-foot .arrow{color:var(--brand);transition:transform .18s ease;}
.card:hover .card-foot .arrow{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-strip{
  background:var(--accent-soft);border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-strip h2{font-size:26px;font-weight:700;color:var(--ink);line-height:1.4;}
.cta-strip p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:600px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9D3D2;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-size:18px;font-weight:700;color:#FFFFFF;}
.brand-sub{font-size:11px;color:#8FA2A1;letter-spacing:.12em;margin-top:2px;}
.footer-desc{font-size:14px;line-height:1.85;color:#A9B8B7;max-width:340px;margin-bottom:16px;}
.footer-contact{font-size:13px;color:#8FA2A1;line-height:1.9;}
.footer-col h3{font-size:15px;font-weight:600;color:#FFFFFF;margin-bottom:16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#A9B8B7;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#FFFFFF;transform:translateX(2px);}
.footer-sub{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:18px;}
.footer-sub p{font-size:13px;line-height:1.8;color:#A9B8B7;margin-bottom:12px;}
.footer-sub-btn{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;
  border-radius:10px;background:var(--accent);color:#FFFFFF;font-size:14px;font-weight:600;
  transition:background .18s ease;
}
.footer-sub-btn:hover{background:#D4552F;color:#FFFFFF;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:#8FA2A1;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom a:hover{color:#FFFFFF;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .article-layout{gap:44px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .nav-inner{height:66px;gap:16px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:space-between;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding:36px 0 64px;}
  .article-panel{padding:32px 28px 36px;max-width:none;}
  .sidebar{position:static;top:auto;flex-direction:row;gap:20px;}
  .sidebar .side-card{flex:1;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px;}
  .article-title{font-size:28px;}
}
@media (max-width:768px){
  .article-head{padding:20px 0 26px;}
  .article-title{font-size:25px;line-height:1.4;}
  .article-panel{padding:26px 20px 30px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .related{padding-bottom:56px;}
  .cta-wrap{padding-bottom:56px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .sidebar{flex-direction:column;}
  .section-head h2{font-size:22px;}
  .cta-strip h2{font-size:22px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .topbar-actions a:not(.topbar-btn){display:none;}
  .topbar-domain{font-size:12px;}
  .nav-actions .btn-sm{display:none;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-actions{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}

/* roulang page: category1 */
:root{
  --ink:#17252A;
  --ink-2:#5A6B70;
  --brand:#1F4E5F;
  --brand-deep:#143A47;
  --accent:#E8663F;
  --accent-soft:#FDEDE7;
  --mint:#DCEBE8;
  --mint-soft:#F1F7F5;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E4E7E4;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-big:20px;
  --shadow-1:0 8px 24px rgba(23,37,42,.07);
  --shadow-2:0 14px 32px rgba(23,37,42,.10);
  --shadow-nav:0 2px 12px rgba(23,37,42,.08);
  --font-sans:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#C9D3D2}
.topbar-inner{display:flex;align-items:center;gap:20px;height:36px;font-size:12.5px}
.topbar-domain{color:#A9BAB9;letter-spacing:.02em;flex-shrink:0}
.topbar-note{flex:1;text-align:center;color:#8FA3A3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.topbar-actions .tb-link{color:#C9D3D2;transition:color .18s ease}
.topbar-actions .tb-link:hover{color:#FFFFFF}
.btn-mini{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 14px;border:1px solid rgba(255,255,255,.32);border-radius:999px;font-size:12.5px;color:#FFFFFF;transition:background .18s ease,border-color .18s ease}
.btn-mini:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-nav)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .18s ease;white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink-2);cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--mint-soft)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink);cursor:pointer}
.nav-toggle:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- 按钮与文字链 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:1.5px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--accent);color:#FFFFFF}
.btn-primary:hover{background:#D4552F;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--mint)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;transition:gap .18s ease}
.link-arrow span{font-family:var(--font-num);font-size:14px;transition:transform .18s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,37,42,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:300px;max-width:85vw;height:100%;background:var(--surface);z-index:100;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;box-shadow:-10px 0 30px rgba(23,37,42,.14)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head .logo-name{font-size:16px}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink-2);cursor:pointer}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{height:52px;display:flex;align-items:center;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);transition:color .18s ease}
.drawer-nav a:hover{color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer .btn{margin-top:auto;width:100%}

/* ---------- 页头 ---------- */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:32px 0 28px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:14px}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C2C1}
.breadcrumb .current{color:var(--brand);font-weight:600}
.page-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.page-head h1{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em;max-width:760px}
.page-head .lead{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px}

/* ---------- 板块骨架 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--surface)}
.section-mint{background:var(--mint-soft)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:27px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);background:var(--mint);border-radius:999px;padding:4px 12px;margin-bottom:16px}

/* ---------- 左文右图 ---------- */
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.split-text h2{font-size:27px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.split-text .section-text{margin-top:14px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.split-media{border-radius:var(--radius-big);overflow:hidden;background:var(--mint);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-list{margin-top:24px}
.check-list li{position:relative;padding-left:32px;margin-bottom:16px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.check-list li:last-child{margin-bottom:0}
.check-list li strong{color:var(--ink);font-weight:600}
.check-list li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--mint)}
.check-list li::after{content:"";position:absolute;left:6px;top:10px;width:6px;height:10px;border:solid var(--brand);border-width:0 2px 2px 0;transform:rotate(45deg)}
.split-text .link-arrow{margin-top:26px}

/* ---------- 两列图文条目 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.info-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.info-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.info-icon{flex:0 0 44px;width:44px;height:44px;border-radius:var(--radius-img);background:var(--mint);color:var(--brand);display:flex;align-items:center;justify-content:center}
.info-item h3{font-size:17px;font-weight:600;line-height:1.5}
.info-item p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{display:block;font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;color:var(--accent);letter-spacing:-.02em;margin-bottom:16px}
.step h3{font-size:18px;font-weight:600;line-height:1.5}
.step p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ---------- 安全提醒 ---------- */
.note-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.note-wrap h2{font-size:27px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.note-wrap .note-lead{margin-top:14px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.note-list li{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;margin-bottom:12px;box-shadow:var(--shadow-1)}
.note-list li:last-child{margin-bottom:0}
.note-dot{flex:0 0 10px;width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:11px}
.note-list h3{font-size:16px;font-weight:600;line-height:1.55}
.note-list p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open]{background:#FAFCFB;border-color:#D6E3E0;border-left:3px solid var(--accent);box-shadow:var(--shadow-1)}
.faq-icon{flex-shrink:0;color:var(--brand);transition:transform .2s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{background:var(--accent-soft);border-radius:var(--radius-big);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:25px;line-height:1.4;font-weight:700;letter-spacing:-.01em;color:var(--brand-deep)}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:#6F4C40;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9D3D2;padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{color:#FFFFFF;font-size:18px;font-weight:700}
.brand-sub{font-size:11px;color:#8FA3A3;letter-spacing:.08em;margin-top:2px}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0B0;max-width:350px}
.footer-contact{margin-top:16px;font-size:13px;line-height:1.95;color:#8FA3A3}
.footer-col h3{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{display:inline-block;font-size:14px;color:#9FB0B0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#FFFFFF;transform:translateX(2px)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#809393}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-actions .btn-sm{display:none}
  .nav-toggle{display:inline-flex}
  .split{grid-template-columns:1fr;gap:32px}
  .note-wrap{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .topbar-note{display:none}
  .topbar-actions .tb-link{display:none}
  .section{padding:56px 0}
  .page-head{padding:24px 0 22px}
  .page-head h1{font-size:26px}
  .page-head-row{align-items:flex-start}
  .page-head-row .btn{width:100%}
  .info-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section-head h2,.split-text h2,.note-wrap h2{font-size:22px}
  .cta-band{padding:28px}
  .cta-band h2{font-size:21px}
  .cta-band .btn{width:100%}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-bottom{padding:18px 0}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .split-media img{aspect-ratio:4/3}
  .page-head h1{font-size:24px}
}

/* roulang page: category2 */
:root{
    --ink:#17252A;
    --ink-2:#5A6B70;
    --brand:#1F4E5F;
    --brand-deep:#143A47;
    --accent:#E8663F;
    --accent-soft:#FDEDE7;
    --mint:#DCEBE8;
    --bg:#FAF8F4;
    --surface:#FFFFFF;
    --line:#E4E7E4;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-block:20px;
    --shadow-1:0 8px 24px rgba(23,37,42,.07);
    --shadow-2:0 14px 32px rgba(23,37,42,.10);
    --shadow-nav:0 2px 12px rgba(23,37,42,.08);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--radius-img);}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
  a:hover{color:var(--brand-deep);}
  button{font-family:inherit;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 40px;
  }

  /* ============ 顶部信息条 ============ */
  .topbar{
    background:var(--ink);
    color:#C9D3D2;
    font-size:12.5px;
  }
  .topbar-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:36px;
  }
  .topbar-domain{
    color:#C9D3D2;
    letter-spacing:.02em;
    font-family:Inter,system-ui,sans-serif;
    font-weight:600;
  }
  .topbar-note{
    flex:1;
    text-align:center;
    color:#9FAEB0;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .topbar-actions{
    display:flex;
    align-items:center;
    gap:18px;
  }
  .topbar-actions a{
    color:#C9D3D2;
    font-size:12.5px;
  }
  .topbar-actions a:hover{color:#FFFFFF;}
  .topbar-btn{
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 14px;
    border:1px solid rgba(255,255,255,.35);
    border-radius:999px;
    color:#FFFFFF !important;
    transition:background .18s ease,border-color .18s ease;
  }
  .topbar-btn:hover{background:rgba(255,255,255,.12);border-color:#FFFFFF;}

  /* ============ 主导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-nav);}
  .header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    height:72px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo svg{flex-shrink:0;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.01em;
  }
  .brand-sub{
    font-size:11px;
    color:var(--ink-2);
    letter-spacing:.04em;
    margin-top:2px;
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:auto;
    flex-wrap:nowrap;
  }
  .main-nav a{
    position:relative;
    font-size:15px;
    color:var(--ink-2);
    padding:6px 0;
    white-space:nowrap;
    transition:color .18s ease;
  }
  .main-nav a::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:-6px;
    height:2px;
    background:var(--brand);
    border-radius:2px;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .18s ease;
  }
  .main-nav a:hover{color:var(--brand);}
  .main-nav a:hover::after{transform:scaleX(1);}
  .main-nav a.is-active{
    color:var(--brand);
    font-weight:600;
  }
  .main-nav a.is-active::after{transform:scaleX(1);}
  .header-tools{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
  }
  .icon-btn{
    width:40px;
    height:40px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:transparent;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    color:var(--ink-2);
    transition:border-color .18s ease,color .18s ease,background .18s ease;
  }
  .icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--mint);}
  .hamburger{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    background:transparent;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    color:var(--ink);
  }

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    border:1.5px solid transparent;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:#FFFFFF;
    box-shadow:0 6px 16px rgba(232,102,63,.22);
  }
  .btn-primary:hover{
    background:#D4552F;
    color:#FFFFFF;
    transform:translateY(-1px);
    box-shadow:0 10px 22px rgba(232,102,63,.28);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,102,63,.20);}
  .btn-ghost{
    background:transparent;
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-ghost:hover{background:var(--mint);color:var(--brand-deep);}
  .btn-sm{
    height:40px;
    padding:0 18px;
    font-size:14px;
  }
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
  }
  .link-arrow svg{transition:transform .18s ease;}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* 移动抽屉 */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(23,37,42,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
    z-index:90;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:300px;
    max-width:86vw;
    background:var(--surface);
    z-index:100;
    transform:translateX(100%);
    transition:transform .26s ease;
    display:flex;
    flex-direction:column;
    padding:20px;
    box-shadow:-12px 0 32px rgba(23,37,42,.16);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }
  .drawer-close{
    width:44px;
    height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--mint);
    border:none;
    border-radius:var(--radius-btn);
    color:var(--brand-deep);
  }
  .drawer nav{display:flex;flex-direction:column;margin-top:8px;}
  .drawer nav a{
    display:flex;
    align-items:center;
    height:52px;
    font-size:15px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer nav a.is-active{color:var(--brand);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:20px;}
  .drawer-foot .btn{width:100%;}

  /* ============ 分类页页头 ============ */
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--ink-2);
    padding:20px 0 0;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--ink-2);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb span.sep{color:#B9C2C1;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  .page-head{
    padding:16px 0 26px;
  }
  .page-head-row{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:28px;
    flex-wrap:wrap;
  }
  .page-head h1{
    font-size:30px;
    line-height:1.3;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .page-head p{
    margin-top:10px;
    font-size:15px;
    line-height:1.75;
    color:var(--ink-2);
    max-width:720px;
  }
  .page-head .head-btn{flex-shrink:0;}

  /* ============ 筛选条 ============ */
  .filter-bar{
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:wrap;
    padding:16px 0 22px;
    border-top:1px solid var(--line);
  }
  .filter-label{
    font-size:13px;
    font-weight:600;
    color:var(--ink-2);
    margin-right:4px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 16px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--surface);
    color:var(--ink-2);
    font-size:13.5px;
    font-weight:500;
    transition:all .18s ease;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);background:var(--mint);}
  .chip.is-on{
    background:var(--brand);
    border-color:var(--brand);
    color:#FFFFFF;
    font-weight:600;
  }

  /* ============ 图卡网格 ============ */
  .section{padding:0 0 88px;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:28px;
  }
  .section-head h2{
    font-size:26px;
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
  }
  .section-head p{
    margin-top:8px;
    font-size:14.5px;
    color:var(--ink-2);
  }
  .tile-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:24px;
  }
  .tile{
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .tile:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:#CFDCD9;
  }
  .tile-media{
    position:relative;
    background:var(--mint);
    aspect-ratio:16/10;
    overflow:hidden;
  }
  .tile-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    border-radius:0;
  }
  .tile-badge{
    position:absolute;
    top:10px;
    left:10px;
    display:inline-flex;
    align-items:center;
    height:22px;
    padding:0 10px;
    border-radius:999px;
    background:rgba(255,255,255,.94);
    color:var(--brand-deep);
    font-size:11.5px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .tile-body{
    padding:14px 16px 16px;
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  .tile-body h3{
    font-size:16px;
    line-height:1.45;
    font-weight:600;
    color:var(--ink);
  }
  .tile-body p{
    font-size:13.5px;
    line-height:1.6;
    color:var(--ink-2);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .tile-more{
    margin-top:6px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:600;
    color:var(--brand);
  }
  .tile-more svg{transition:transform .18s ease;}
  .tile:hover .tile-more svg{transform:translateX(3px);}

  /* ============ 流程 ============ */
  .flow-section{
    background:var(--mint);
    padding:72px 0;
    margin-bottom:88px;
  }
  .flow-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
    margin-top:32px;
  }
  .flow-card{
    background:var(--surface);
    border:1px solid rgba(31,78,95,.10);
    border-radius:var(--radius-card);
    padding:26px 24px;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .flow-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:999px;
    background:var(--accent-soft);
    color:var(--accent);
    font-family:Inter,system-ui,sans-serif;
    font-size:16px;
    font-weight:700;
    margin-bottom:14px;
  }
  .flow-card h3{
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:8px;
  }
  .flow-card p{
    font-size:14px;
    line-height:1.75;
    color:var(--ink-2);
  }

  /* ============ 数据带 ============ */
  .stat-band{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:24px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-block);
    padding:32px;
    box-shadow:var(--shadow-1);
    margin-bottom:88px;
  }
  .stat-item{
    text-align:left;
    padding-left:16px;
    border-left:2px solid var(--mint);
  }
  .stat-num{
    font-family:Inter,system-ui,sans-serif;
    font-size:28px;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--accent);
    line-height:1.2;
  }
  .stat-label{
    margin-top:6px;
    font-size:13.5px;
    color:var(--ink-2);
    line-height:1.6;
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-list{display:flex;flex-direction:column;gap:10px;margin-top:26px;}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
    transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .faq-item.is-open{
    border-left:3px solid var(--accent);
    background:#FCFDFC;
    box-shadow:var(--shadow-1);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:16px 20px;
    background:transparent;
    border:none;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    line-height:1.6;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex-shrink:0;
    width:22px;
    height:22px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--brand);
    transition:transform .22s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(180deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .28s ease;
  }
  .faq-a p{
    padding:0 20px 18px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }

  /* ============ CTA ============ */
  .cta-band{
    background:var(--accent-soft);
    border-radius:var(--radius-block);
    padding:40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    margin-bottom:88px;
  }
  .cta-band h2{
    font-size:26px;
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
  }
  .cta-band p{
    margin-top:8px;
    font-size:14.5px;
    color:var(--ink-2);
  }
  .cta-band .btn{flex-shrink:0;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);
    color:#C9D3D2;
    padding:64px 0 0;
    font-size:14px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:44px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
  }
  .footer-brand .brand-name{color:#FFFFFF;font-size:18px;font-weight:700;}
  .footer-brand .brand-sub{color:#8FA0A3;font-size:11px;}
  .footer-desc{
    font-size:13.5px;
    line-height:1.8;
    color:#A9B7B9;
    max-width:320px;
  }
  .footer-contact{
    margin-top:16px;
    font-size:13px;
    line-height:1.9;
    color:#8FA0A3;
  }
  .footer-col h3{
    font-size:14px;
    font-weight:600;
    color:#FFFFFF;
    margin-bottom:16px;
    letter-spacing:.02em;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:13.5px;
    color:#A9B7B9;
    display:inline-block;
    transition:color .18s ease,transform .18s ease;
  }
  .footer-col a:hover{color:#FFFFFF;transform:translateX(-2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:#8FA0A3;
  }
  .footer-bottom a{color:#8FA0A3;}
  .footer-bottom a:hover{color:#FFFFFF;}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .main-nav{display:none;}
    .header-tools .btn-sm{display:none;}
    .hamburger{display:inline-flex;}
    .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .topbar-note{display:none;}
  }
  @media (max-width:768px){
    .page-head h1{font-size:26px;}
    .section-head h2,.cta-band h2{font-size:22px;}
    .section{padding-bottom:64px;}
    .flow-section{padding:56px 0;margin-bottom:64px;}
    .stat-band{margin-bottom:64px;padding:24px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:28px;margin-bottom:64px;}
    .cta-band .btn{width:100%;}
    .faq-q{font-size:15.5px;padding:14px 16px;}
    .faq-a p{padding:0 16px 16px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
  }
  @media (max-width:520px){
    .container{padding:0 20px;}
    .topbar-actions a:not(.topbar-btn){display:none;}
    .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
    .tile-body{padding:12px;}
    .tile-body h3{font-size:14.5px;}
    .tile-body p{font-size:12.5px;}
    .flow-grid{grid-template-columns:1fr;}
    .stat-band{grid-template-columns:1fr;gap:16px;}
    .page-head-row{flex-direction:column;align-items:flex-start;}
    .page-head .head-btn{width:100%;}
    .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:16px;}
    .chip{flex-shrink:0;}
  }

/* roulang page: category3 */
:root{
    --ink:#17252A;
    --ink-2:#5A6B70;
    --brand:#1F4E5F;
    --brand-deep:#143A47;
    --accent:#E8663F;
    --accent-hover:#D4552F;
    --accent-soft:#FDEDE7;
    --mint:#DCEBE8;
    --bg:#FAF8F4;
    --surface:#FFFFFF;
    --line:#E4E7E4;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-lg:20px;
    --shadow-1:0 8px 24px rgba(23,37,42,.07);
    --shadow-2:0 14px 32px rgba(23,37,42,.10);
    --shadow-nav:0 2px 12px rgba(23,37,42,.08);
    --font-cn:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 40px;
  }

  /* 顶部信息条 */
  .info-bar{
    background:var(--ink);
    color:#C9D3D2;
    font-size:12.5px;
    line-height:1.4;
  }
  .info-bar .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    min-height:36px;
    padding-top:6px;
    padding-bottom:6px;
  }
  .info-domain{
    font-family:var(--font-num);
    letter-spacing:.02em;
    color:#C9D3D2;
    white-space:nowrap;
  }
  .info-note{
    color:#9FB0AE;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .info-actions{
    display:flex;
    align-items:center;
    gap:16px;
    flex-shrink:0;
  }
  .info-actions a{
    color:#C9D3D2;
    transition:color .18s ease;
    white-space:nowrap;
  }
  .info-actions a:hover{color:#FFFFFF;}
  .info-chip{
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 14px;
    border:1px solid rgba(255,255,255,.35);
    border-radius:999px;
    color:#FFFFFF !important;
    font-size:12.5px;
    transition:background .18s ease,border-color .18s ease;
  }
  .info-chip:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);}

  /* 主导航 */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-nav);}
  .header-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-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-name{
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.01em;
  }
  .brand-sub{
    font-size:11px;
    color:var(--ink-2);
    letter-spacing:.08em;
    margin-top:2px;
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  .main-nav a{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 12px;
    font-size:15px;
    color:var(--ink-2);
    border-radius:8px;
    transition:color .18s ease;
  }
  .main-nav a::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:2px;
    height:2px;
    background:var(--brand);
    border-radius:2px;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .18s ease;
  }
  .main-nav a:hover{color:var(--brand);}
  .main-nav a:hover::after{transform:scaleX(1);}
  .main-nav a.is-active{color:var(--brand);font-weight:600;}
  .main-nav a.is-active::after{transform:scaleX(1);}

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .icon-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:10px;
    background:var(--surface);
    color:var(--ink);
    cursor:pointer;
    transition:border-color .18s ease,background .18s ease,color .18s ease;
  }
  .icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--mint);}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    border:1.5px solid transparent;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{
    background:var(--accent);
    color:#FFFFFF;
    box-shadow:0 8px 20px rgba(232,102,63,.22);
  }
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,102,63,.28);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,102,63,.2);}
  .btn-ghost{
    background:transparent;
    color:var(--brand);
    border-color:var(--brand);
  }
  .btn-ghost:hover{background:var(--mint);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}

  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--brand);
    font-weight:600;
    font-size:15px;
  }
  .text-link svg{transition:transform .18s ease;}
  .text-link:hover svg{transform:translateX(3px);}

  .hamburger{display:none;}

  /* 抽屉 */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(23,37,42,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
    z-index:60;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:300px;
    max-width:86vw;
    background:var(--surface);
    z-index:70;
    transform:translateX(100%);
    transition:transform .26s ease;
    display:flex;
    flex-direction:column;
    box-shadow:-12px 0 32px rgba(23,37,42,.14);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:18px 20px;
    border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
  .drawer-links{flex:1;overflow-y:auto;padding:8px 0;}
  .drawer-links a{
    display:flex;
    align-items:center;
    min-height:52px;
    padding:0 20px;
    font-size:15px;
    color:var(--ink);
    border-left:3px solid transparent;
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .drawer-links a:hover{background:var(--bg);color:var(--brand);}
  .drawer-links a.is-active{color:var(--brand);font-weight:600;border-left-color:var(--accent);background:var(--bg);}
  .drawer-foot{padding:18px 20px;border-top:1px solid var(--line);}

  /* 页面头部 */
  .page-head{
    background:var(--surface);
    border-bottom:1px solid var(--line);
    padding:26px 0 30px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--ink-2);
    margin-bottom:16px;
  }
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B7C2C0;}
  .breadcrumb .current{color:var(--ink);}
  .page-head-row{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:28px;
  }
  .page-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--brand);
    background:var(--mint);
    border-radius:999px;
    padding:4px 12px;
    margin-bottom:12px;
  }
  .page-title{
    font-size:32px;
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .page-sub{
    margin-top:10px;
    max-width:720px;
    font-size:15px;
    color:var(--ink-2);
    line-height:1.75;
  }

  /* 通用板块 */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-alt{background:var(--surface);}
  .section-mint{background:var(--mint);}
  .section-warm{background:var(--bg);}
  .section-head{max-width:760px;margin-bottom:40px;}
  .section-title{
    font-size:27px;
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .section-desc{
    margin-top:12px;
    font-size:16px;
    color:var(--ink-2);
    line-height:1.8;
  }
  .eyebrow{
    display:inline-block;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.1em;
    color:var(--brand);
    margin-bottom:14px;
    text-transform:uppercase;
  }

  /* 说明段 */
  .intro-grid{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:48px;
    align-items:center;
  }
  .intro-text p{color:var(--ink-2);margin-top:16px;font-size:16px;}
  .check-list{margin-top:24px;display:grid;gap:12px;}
  .check-list li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    font-size:15px;
    color:var(--ink);
  }
  .check-list .dot{
    flex-shrink:0;
    width:22px;
    height:22px;
    margin-top:2px;
    border-radius:999px;
    background:var(--mint);
    color:var(--brand);
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }
  .intro-media{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    background:var(--mint);
  }
  .intro-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
  }
  .intro-media .media-tag{
    position:absolute;
    left:18px;
    bottom:18px;
    background:rgba(255,255,255,.94);
    color:var(--brand-deep);
    font-size:13px;
    font-weight:600;
    padding:8px 14px;
    border-radius:999px;
    box-shadow:var(--shadow-1);
  }

  /* 对照表 */
  .spec-block{margin-bottom:40px;}
  .spec-block:last-child{margin-bottom:0;}
  .table-title{
    font-size:19px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:14px;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .table-title::before{
    content:"";
    width:4px;
    height:18px;
    background:var(--accent);
    border-radius:2px;
  }
  .table-scroll{
    width:100%;
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:var(--surface);
    box-shadow:var(--shadow-1);
  }
  .spec-table{
    width:100%;
    min-width:640px;
    border-collapse:collapse;
    font-size:15px;
  }
  .spec-table th,
  .spec-table td{
    padding:16px 22px;
    text-align:left;
    vertical-align:top;
    border-bottom:1px solid var(--line);
    line-height:1.7;
  }
  .spec-table tr:last-child th,
  .spec-table tr:last-child td{border-bottom:none;}
  .spec-table th{
    width:220px;
    background:var(--mint);
    color:var(--brand-deep);
    font-weight:600;
    white-space:nowrap;
  }
  .spec-table td{color:var(--ink-2);}
  .spec-table td strong{color:var(--ink);font-weight:600;}
  .spec-table tbody tr:hover td{background:#FCFBF8;}
  .table-note{
    margin-top:14px;
    font-size:13.5px;
    color:var(--ink-2);
  }

  /* 流程 */
  .flow-steps{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    counter-reset:step;
  }
  .flow-steps li{
    position:relative;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px 22px 24px;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .flow-steps li:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .step-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:10px;
    background:var(--accent-soft);
    color:var(--accent);
    font-family:var(--font-num);
    font-weight:700;
    font-size:15px;
    letter-spacing:-.02em;
    margin-bottom:16px;
  }
  .flow-steps h3{
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:8px;
  }
  .flow-steps p{
    font-size:14.5px;
    color:var(--ink-2);
    line-height:1.75;
  }

  /* 场景卡 */
  .scene-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .scene-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
    display:flex;
    flex-direction:column;
  }
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .scene-card img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    background:var(--mint);
  }
  .scene-body{padding:20px 22px 24px;}
  .badge{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    background:var(--accent-soft);
    color:var(--accent);
    font-size:12.5px;
    font-weight:600;
    margin-bottom:12px;
  }
  .scene-body h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .scene-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

  /* 咨询区 */
  .apply-wrap{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
    align-items:center;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:44px;
    box-shadow:var(--shadow-1);
  }
  .apply-copy h2{
    font-size:26px;
    font-weight:700;
    line-height:1.35;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .apply-copy p{
    margin-top:14px;
    color:var(--ink-2);
    font-size:15.5px;
  }
  .apply-meta{
    margin-top:24px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }
  .apply-meta span{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:30px;
    padding:0 12px;
    border-radius:999px;
    background:var(--mint);
    color:var(--brand-deep);
    font-size:13px;
    font-weight:600;
  }
  .form-field{margin-bottom:16px;}
  .form-field label{
    display:block;
    font-size:13px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:6px;
  }
  .form-field input,
  .form-field textarea{
    width:100%;
    height:46px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--surface);
    color:var(--ink);
    font-family:inherit;
    font-size:15px;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .form-field textarea{
    height:96px;
    padding:12px 14px;
    resize:vertical;
    line-height:1.7;
  }
  .form-field input::placeholder,
  .form-field textarea::placeholder{color:var(--ink-2);}
  .form-field input:focus,
  .form-field textarea:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(31,78,95,.12);
  }
  .form-msg{
    margin-top:12px;
    font-size:13.5px;
    color:var(--brand);
    font-weight:600;
    min-height:20px;
  }
  .form-msg.is-error{color:#C0392B;}

  /* 页脚 */
  .site-footer{
    background:var(--ink);
    color:#C9D3D2;
    padding:72px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:44px;
    padding-bottom:52px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
  }
  .footer-brand .brand-name{color:#FFFFFF;}
  .footer-brand .brand-sub{color:#93A5A3;}
  .footer-desc{
    font-size:14px;
    line-height:1.8;
    color:#A9B8B6;
    max-width:340px;
  }
  .footer-contact{
    margin-top:18px;
    font-size:13.5px;
    line-height:1.9;
    color:#93A5A3;
  }
  .footer-col h3{
    font-size:14px;
    font-weight:700;
    color:#FFFFFF;
    letter-spacing:.06em;
    margin-bottom:16px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:#A9B8B6;
    transition:color .18s ease,transform .18s ease;
    display:inline-block;
  }
  .footer-col a:hover{color:#FFFFFF;transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;
    font-size:13px;
    color:#8C9C9A;
    display:flex;
    flex-wrap:wrap;
    gap:8px 20px;
    justify-content:space-between;
  }
  .footer-bottom .domain{
    font-family:var(--font-num);
    letter-spacing:.02em;
  }

  /* 响应式 */
  @media (max-width:1100px){
    .main-nav a{padding:0 9px;font-size:14.5px;}
  }
  @media (max-width:1024px){
    .container{padding:0 28px;}
    .main-nav,.header-actions .btn{display:none;}
    .hamburger{display:inline-flex;}
    .header-inner{height:66px;}
    .info-note{display:none;}
    .section{padding:64px 0;}
    .intro-grid{grid-template-columns:1fr;gap:32px;}
    .flow-steps{grid-template-columns:repeat(2,1fr);}
    .scene-grid{grid-template-columns:repeat(2,1fr);}
    .apply-wrap{grid-template-columns:1fr;gap:32px;padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .page-title{font-size:26px;}
    .page-head-row{flex-direction:column;align-items:flex-start;gap:18px;}
    .page-head{padding:22px 0 26px;}
    .section{padding:56px 0;}
    .section-title{font-size:22px;}
    .flow-steps{grid-template-columns:1fr;}
    .scene-grid{grid-template-columns:1fr;}
    .spec-table th{width:150px;padding:14px 16px;font-size:14px;}
    .spec-table td{padding:14px 16px;font-size:14px;}
    .apply-wrap{padding:26px 20px;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer-bottom{flex-direction:column;}
  }
  @media (max-width:520px){
    .brand-name{font-size:16px;}
    .brand-sub{font-size:10px;}
    .btn{height:44px;padding:0 18px;font-size:14.5px;}
    .info-bar{font-size:12px;}
    .info-actions{gap:10px;}
    .info-actions a.hide-xs{display:none;}
    .section-title{font-size:20px;}
    .intro-media .media-tag{font-size:12px;left:12px;bottom:12px;}
  }

/* roulang page: category4 */
:root{
    --ink:#17252A;
    --ink-2:#5A6B70;
    --brand:#1F4E5F;
    --brand-deep:#143A47;
    --accent:#E8663F;
    --accent-hover:#D4552F;
    --accent-soft:#FDEDE7;
    --mint:#DCEBE8;
    --bg:#FAF8F4;
    --surface:#FFFFFF;
    --line:#E4E7E4;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-pill:999px;
    --radius-block:20px;
    --shadow-1:0 8px 24px rgba(23,37,42,.07);
    --shadow-2:0 14px 32px rgba(23,37,42,.10);
    --shadow-nav:0 2px 12px rgba(23,37,42,.08);
    --font-sans:"Inter","Source Han Sans SC","PingFang 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(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;border-radius:var(--radius-img);}
  a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease;}
  button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

  .container{
    width:100% !important;
    max-width:1200px !important;
    margin-left:auto;
    margin-right:auto;
    padding-left:40px;
    padding-right:40px;
  }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--ink);color:#C9D3D2;font-size:12.5px;}
  .topbar-inner{display:flex;align-items:center;gap:20px;height:36px;}
  .topbar-domain{color:#C9D3D2;letter-spacing:.02em;white-space:nowrap;}
  .topbar-note{flex:1;color:#9FAEAE;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-links{display:flex;align-items:center;gap:16px;white-space:nowrap;}
  .topbar-links a:hover{color:#FFFFFF;}
  .topbar-btn{
    display:inline-flex;align-items:center;height:28px;padding:0 14px;
    border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-pill);color:#FFFFFF;
  }
  .topbar-btn:hover{background:rgba(255,255,255,.12);}

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:var(--surface);
    border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-nav);}
  .nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}

  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo svg{flex:0 0 auto;}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
  .brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;margin-top:2px;}

  .main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;margin-right:auto;}
  .main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;white-space:nowrap;}
  .main-nav a:hover{color:var(--brand);}
  .main-nav a:hover::after,
  .main-nav a.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .main-nav a.is-active{color:var(--brand);font-weight:600;}

  .nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .icon-btn{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--radius-pill);color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
  }
  .icon-btn:hover{background:var(--mint);color:var(--brand);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--accent);color:#FFFFFF;box-shadow:0 6px 18px rgba(232,102,63,.24);}
  .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,102,63,.30);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,102,63,.22);}
  .btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand);}
  .btn-outline:hover{background:var(--mint);}
  .btn-outline:active{transform:translateY(1px);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--radius-btn);}

  .hamburger{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    border-radius:var(--radius-btn);color:var(--ink);
  }
  .hamburger:hover{background:var(--mint);}

  /* 搜索面板 */
  .search-bar{display:none;background:var(--surface);border-top:1px solid var(--line);}
  .search-bar.is-open{display:block;}
  .search-bar .container{display:flex;align-items:center;gap:12px;padding-top:14px;padding-bottom:14px;}
  .search-bar input{
    flex:1;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
    font-family:inherit;font-size:15px;color:var(--ink);background:var(--surface);
  }
  .search-bar input::placeholder{color:var(--ink-2);}
  .search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,95,.12);}

  /* 抽屉 */
  .drawer-backdrop{
    position:fixed;inset:0;background:rgba(23,37,42,.45);z-index:80;
    opacity:0;pointer-events:none;transition:opacity .25s ease;
  }
  .drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;z-index:90;width:300px;height:100%;
    background:var(--surface);padding:22px;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .28s ease;box-shadow:-14px 0 40px rgba(23,37,42,.18);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
  .drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
  .drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);color:var(--ink-2);}
  .drawer-close:hover{background:var(--mint);color:var(--brand);}
  .drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
  .drawer-nav a{
    display:flex;align-items:center;height:52px;font-size:15px;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer-nav a:hover,
  .drawer-nav a.is-active{color:var(--brand);font-weight:600;}
  .drawer-cta{margin-top:auto;padding-top:20px;}
  .drawer-cta .btn{width:100%;}

  /* ---------- 面包屑与页头 ---------- */
  .breadcrumb{padding:22px 0 0;font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B7C1C1;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  .page-head{padding:18px 0 36px;border-bottom:1px solid var(--line);}
  .page-head-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .page-head h1{font-size:30px;letter-spacing:-.01em;max-width:720px;}
  .page-head .lead{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ink-2);max-width:660px;}
  .page-head .head-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 主内容布局 ---------- */
  .main-section{padding:52px 0 72px;background:var(--bg);}
  .page-layout{display:grid;grid-template-columns:minmax(0,760px) 340px;gap:56px;align-items:start;}

  .article-body{max-width:760px;font-size:16.5px;line-height:1.9;}
  .article-body > .intro{font-size:17px;color:var(--ink);padding:20px 22px;background:var(--mint);border-radius:var(--radius-card);margin-bottom:32px;}
  .article-body h2{
    position:relative;font-size:22px;line-height:1.4;margin:42px 0 16px;padding-left:16px;letter-spacing:-.01em;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;background:var(--accent);border-radius:2px;
  }
  .article-body h3{font-size:18px;margin:26px 0 10px;color:var(--brand-deep);}
  .article-body p{margin-bottom:20px;color:var(--ink);}
  .article-body a.inline{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(31,78,95,.3);}
  .article-body a.inline:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}

  .article-body ul.bullet{list-style:none;margin:0 0 22px;padding-left:1.5em;}
  .article-body ul.bullet li{position:relative;margin-bottom:10px;color:var(--ink);}
  .article-body ul.bullet li::before{
    content:"";position:absolute;left:-1.1em;top:12px;width:7px;height:7px;border-radius:2px;background:var(--brand);
  }

  .step-list{display:flex;flex-direction:column;gap:14px;margin:24px 0 30px;}
  .step-list li{
    display:flex;gap:16px;align-items:flex-start;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .step-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .step-num{
    flex:0 0 auto;font-family:"Inter",system-ui,sans-serif;font-weight:700;font-size:15px;
    color:var(--accent);letter-spacing:-.02em;background:var(--accent-soft);
    width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  }
  .step-list h3{margin:0 0 6px;font-size:17px;color:var(--ink);}
  .step-list p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}

  .article-body blockquote{
    margin:26px 0;padding:20px 22px;background:var(--mint);border-left:3px solid var(--accent);
    border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--brand-deep);font-size:15.5px;
  }
  .article-body blockquote p{margin:0;color:var(--brand-deep);}

  .article-body figure{margin:28px 0;}
  .article-body figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--mint);}
  .article-body figure figcaption{margin-top:10px;font-size:13px;color:var(--ink-2);text-align:center;}

  .checklist{display:flex;flex-direction:column;gap:10px;margin:20px 0 26px;}
  .checklist li{
    display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.8;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-btn);padding:12px 16px;
  }
  .checklist .tick{
    flex:0 0 auto;width:20px;height:20px;border-radius:var(--radius-pill);background:var(--mint);
    display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
  }
  .checklist .tick svg{width:12px;height:12px;}

  /* 右侧 FAQ */
  .faq-side{position:sticky;top:96px;align-self:start;}
  .faq-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-block);
    padding:24px 22px;box-shadow:var(--shadow-1);
  }
  .faq-panel .panel-kicker{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-pill);
    background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.04em;
  }
  .faq-panel h2{font-size:19px;margin:12px 0 6px;}
  .faq-panel .panel-desc{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin-bottom:16px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;
    transition:background-color .2s ease,border-color .2s ease;
  }
  .faq-item.is-open{background:#F6FAF9;border-left:3px solid var(--accent);}
  .faq-q{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
    padding:14px 16px;text-align:left;font-size:15px;font-weight:600;line-height:1.55;color:var(--ink);
    min-height:44px;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-top:2px;transition:transform .22s ease;}
  .faq-icon::before,
  .faq-icon::after{
    content:"";position:absolute;background:var(--brand);border-radius:2px;transition:opacity .2s ease;
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:2px;}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px;}
  .faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);}
  .faq-q[aria-expanded="true"] .faq-icon::after{opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
  .faq-a-inner{padding:0 16px 16px;font-size:14px;line-height:1.8;color:var(--ink-2);}
  .faq-more{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
    font-size:13.5px;font-weight:600;color:var(--brand);
  }
  .faq-more:hover{color:var(--brand-deep);}
  .faq-more svg{transition:transform .2s ease;}
  .faq-more:hover svg{transform:translateX(3px);}

  /* 底部 CTA 条 */
  .cta-wrap{padding:0 0 84px;background:var(--bg);}
  .cta-band{
    background:var(--accent-soft);border-radius:var(--radius-block);padding:40px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
  }
  .cta-band h2{font-size:26px;letter-spacing:-.01em;margin-bottom:10px;}
  .cta-band p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px;}
  .cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#C9D3D2;padding:64px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-name{color:#FFFFFF;font-size:18px;font-weight:700;}
  .footer-brand .brand-sub{color:#9FAEAE;font-size:11px;letter-spacing:.08em;}
  .footer-brand span{display:flex;flex-direction:column;line-height:1.2;}
  .footer-desc{font-size:14px;line-height:1.85;color:#9FAEAE;max-width:340px;}
  .footer-contact{margin-top:16px;font-size:13px;line-height:1.9;color:#9FAEAE;}
  .footer-col h3{font-size:15px;color:#FFFFFF;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:#C9D3D2;display:inline-block;transition:color .18s ease,transform .18s ease;}
  .footer-col a:hover{color:#FFFFFF;transform:translateX(2px);}

  .footer-sub{
    border-top:1px solid rgba(255,255,255,.12);padding:24px 0;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .footer-sub .sub-text{font-size:14px;color:#C9D3D2;}
  .footer-sub .sub-text strong{color:#FFFFFF;}
  .sub-form{display:flex;gap:10px;flex-wrap:wrap;}
  .sub-form input{
    height:46px;width:260px;padding:0 14px;border-radius:var(--radius-btn);
    border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#FFFFFF;
    font-family:inherit;font-size:14px;
  }
  .sub-form input::placeholder{color:#9FAEAE;}
  .sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,102,63,.18);}
  .sub-form .btn{height:46px;}

  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#9FAEAE;
  }
  .footer-bottom .foot-links{display:flex;gap:18px;flex-wrap:wrap;}
  .footer-bottom a:hover{color:#FFFFFF;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1280px){
    .container{padding-left:32px;padding-right:32px;}
    .page-layout{grid-template-columns:minmax(0,1fr) 320px;gap:40px;}
  }
  @media (max-width:1024px){
    .main-nav{display:none;}
    .hamburger{display:inline-flex;}
    .nav-actions .btn-primary{display:none;}
    .page-layout{grid-template-columns:minmax(0,1fr);gap:48px;}
    .faq-side{position:static;}
    .page-head h1{font-size:27px;}
    .cta-band{flex-direction:column;align-items:flex-start;gap:24px;padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .topbar-note{display:none;}
  }
  @media (max-width:768px){
    .container{padding-left:20px;padding-right:20px;}
    .nav-wrap{height:64px;gap:16px;}
    .brand-name{font-size:16px;}
    .brand-sub{font-size:10px;}
    .main-section{padding:36px 0 56px;}
    .article-body h2{font-size:20px;margin-top:34px;}
    .article-body > .intro{font-size:16px;padding:16px 18px;}
    .cta-wrap{padding-bottom:60px;}
    .cta-band h2{font-size:22px;}
    .footer-grid{grid-template-columns:1fr;}
    .site-footer{padding-top:48px;}
    .sub-form input{width:100%;}
    .sub-form{width:100%;}
    .sub-form .btn{width:100%;}
    .page-head{padding:14px 0 28px;}
    .page-head h1{font-size:24px;}
    .page-head .lead{font-size:14.5px;}
    .page-head .head-actions{width:100%;}
    .page-head .head-actions .btn{width:100%;}
  }
  @media (max-width:520px){
    .topbar-links a:not(.topbar-btn){display:none;}
    .article-body{font-size:16px;}
    .step-list li{padding:16px;gap:12px;}
    .step-num{width:34px;height:34px;font-size:13px;}
    .faq-panel{padding:20px 16px;}
    .cta-band{padding:24px;}
  }