/* roulang page: index */
:root{
    --brand:#E8462A;
    --brand-deep:#B8351E;
    --brand-soft:rgba(232,70,42,.08);
    --ink:#0F2B28;
    --accent:#C9F04A;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --surface-2:#EFEBE1;
    --line:#E3DCD0;
    --line-strong:#CFC6B6;
    --text:#17201E;
    --text-muted:#5C6A66;
    --text-faint:#8E9995;
    --success:#2E7D5B;
    --warn:#C97A16;
    --error:#C0392B;
    --radius-card:14px;
    --radius-media:12px;
    --radius-input:10px;
    --radius-block:20px;
    --shadow-1:0 1px 2px rgba(15,43,40,.06);
    --shadow-2:0 14px 30px -14px rgba(15,43,40,.22);
    --gap-section:96px;
    --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-sans);
    font-size:17px;
    line-height:1.88;
    letter-spacing:.01em;
  }
  img{max-width:100%;display:block;border-radius:var(--radius-media);}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
  button{cursor:pointer;border:none;background:none;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}

  .container{max-width:1240px;margin:0 auto;padding:0 40px;width:100%;}
  .section{padding:var(--gap-section) 0;}
  .section-tight{padding:56px 0;}

  /* ---------- 顶部信息条 ---------- */
  .topbar{
    background:var(--ink);
    color:#D8E2DE;
    font-size:13px;
    line-height:1.6;
  }
  .topbar-inner{
    display:flex;align-items:center;justify-content:space-between;
    min-height:38px;gap:20px;
  }
  .topbar-brand{display:flex;align-items:center;gap:14px;}
  .topbar-brand strong{color:#fff;font-weight:600;}
  .topbar-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);}
  .topbar-hint{color:#9FB3AE;}
  .topbar-actions{display:flex;align-items:center;gap:18px;}
  .topbar-actions a{color:#D8E2DE;transition:color .2s ease-out;}
  .topbar-actions a:hover{color:var(--accent);}

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease-out;
  }
  .site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(15,43,40,.35);}
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:28px;min-height:74px;
  }
  .logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:.01em;}
  .logo-mark{
    width:34px;height:34px;flex:0 0 34px;
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
    border-radius:10px 10px 10px 3px;
    display:grid;place-items:center;
    position:relative;
  }
  .logo-mark::after{
    content:"";width:15px;height:15px;
    border:2.5px solid #fff;border-radius:50% 50% 50% 4px;
    transform:rotate(-45deg);
  }
  .logo-text{white-space:nowrap;}
  .logo-text small{display:block;font-size:11px;font-weight:500;color:var(--text-muted);letter-spacing:.14em;line-height:1.3;}
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-links a{
    position:relative;
    padding:10px 14px;
    font-size:15px;font-weight:500;
    color:var(--text);
    border-radius:8px;
    transition:color .2s ease-out,background .2s ease-out;
  }
  .nav-links a::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
    background:var(--brand);border-radius:3px;
    transform:scaleX(0);transform-origin:left;
    transition:transform .2s ease-out;
  }
  .nav-links a:hover{color:var(--brand);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--brand);font-weight:600;}
  .nav-links a.active::after{transform:scaleX(1);}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--brand);color:#fff;
    font-size:15px;font-weight:600;
    padding:11px 24px;border-radius:999px;
    transition:background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
    box-shadow:0 8px 18px -12px rgba(232,70,42,.9);
  }
  .nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .nav-cta:focus-visible,.btn:focus-visible,.chip:focus-visible,.faq-q:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:10px;
    border:1px solid var(--line-strong);
    align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;
    padding:14px 28px;border-radius:999px;
    transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
    border:1px solid transparent;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 24px -16px rgba(232,70,42,.95);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-strong);}
  .btn-ghost:hover{background:var(--surface-2);border-color:var(--brand);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:10px 20px;font-size:14px;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);font-weight:600;font-size:15px;
    border-bottom:1px dashed var(--brand);
    padding-bottom:2px;
    transition:border-color .2s ease-out,transform .2s ease-out;
  }
  .text-link:hover{border-bottom-style:solid;transform:translateX(2px);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    background-image:linear-gradient(105deg,rgba(15,43,40,.94) 0%,rgba(15,43,40,.82) 55%,rgba(15,43,40,.70) 100%),url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:84px 0 72px;
    overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.10) 0 1px,transparent 1px 10px);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start;
  }
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(201,240,74,.14);
    color:var(--accent);
    border:1px solid rgba(201,240,74,.35);
    padding:6px 14px;border-radius:999px;
    font-size:13px;font-weight:600;letter-spacing:.04em;
    margin-bottom:22px;
  }
  .hero h1{
    font-size:44px;line-height:1.25;font-weight:800;
    letter-spacing:-.01em;
    margin-bottom:18px;
  }
  .hero h1 em{font-style:normal;color:var(--accent);}
  .hero-sub{
    font-size:17px;line-height:1.85;color:#D3DDD9;
    max-width:600px;margin-bottom:30px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
  .hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
  .hero-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
  .hero-stats{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
    border-top:1px solid rgba(255,255,255,.18);
    padding-top:24px;max-width:620px;
  }
  .hero-stat strong{
    display:block;font-size:28px;font-weight:800;color:var(--brand);
    line-height:1.3;letter-spacing:.02em;
  }
  .hero-stat span{font-size:13px;color:#A9BAB4;line-height:1.6;}
  .hero-card{
    background:#fff;color:var(--text);
    border-radius:var(--radius-block) var(--radius-block) var(--radius-block) 6px;
    padding:28px 26px;
    box-shadow:0 26px 50px -30px rgba(0,0,0,.6);
  }
  .hero-card h2{
    font-size:16px;font-weight:700;color:var(--ink);
    margin-bottom:6px;
  }
  .hero-card .card-note{font-size:13px;color:var(--text-muted);margin-bottom:18px;}
  .hero-list li{
    display:flex;gap:12px;align-items:flex-start;
    padding:13px 0;border-bottom:1px dashed var(--line);
    font-size:14.5px;line-height:1.7;
  }
  .hero-list li:last-child{border-bottom:none;padding-bottom:0;}
  .hero-list b{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:2px;}
  .hero-list p{font-size:13.5px;color:var(--text-muted);line-height:1.7;}
  .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:8px;flex:0 0 8px;}

  /* ---------- 锚点条 ---------- */
  .chipbar{
    position:sticky;top:74px;z-index:50;
    background:rgba(246,243,236,.94);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .chipbar-inner{
    display:flex;gap:10px;overflow-x:auto;
    padding:14px 0;
    scrollbar-width:none;
  }
  .chipbar-inner::-webkit-scrollbar{display:none;}
  .chip{
    flex:0 0 auto;
    padding:8px 18px;border-radius:999px;
    background:#fff;border:1px solid var(--line-strong);
    font-size:14px;font-weight:500;color:var(--text);
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);}
  .chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

  /* ---------- 通用分区标题 ---------- */
  .sec-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:28px;margin-bottom:48px;
  }
  .sec-title{
    position:relative;
    font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);
    padding-left:20px;
    margin-bottom:12px;
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:6px;
    background:var(--brand);
    border-radius:3px;
    clip-path:polygon(0 0,100% 12%,100% 100%,0 88%);
  }
  .sec-title::after{
    content:"";position:absolute;left:20px;bottom:-10px;width:64px;height:4px;background:var(--brand);border-radius:2px;
    opacity:0;
  }
  .sec-sub{font-size:16px;color:var(--text-muted);max-width:640px;line-height:1.8;padding-left:20px;}
  .sec-head-dark .sec-title{color:#fff;}
  .sec-head-dark .sec-sub{color:#A9BAB4;}

  /* ---------- 卖点区（粘性左栏 + 编号条目） ---------- */
  .value-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start;}
  .value-aside{position:sticky;top:170px;}
  .value-aside .sec-title{padding-left:20px;}
  .value-aside p{font-size:15.5px;color:var(--text-muted);line-height:1.85;margin-top:22px;}
  .value-aside figure{margin-top:26px;}
  .value-aside figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface-2);}
  .value-progress{
    margin-top:24px;display:flex;align-items:center;gap:12px;
    font-size:13px;color:var(--text-muted);
  }
  .value-progress .bar{flex:1;height:6px;background:var(--surface-2);border-radius:999px;overflow:hidden;}
  .value-progress .bar i{display:block;height:100%;width:var(--p,25%);background:var(--brand);border-radius:999px;transition:width .24s ease-out;}
  .value-item{
    display:grid;grid-template-columns:88px 1fr;gap:24px;
    padding:30px 0;
    border-top:1px solid var(--line);
    transition:background .22s ease-out;
  }
  .value-item:first-child{border-top:none;padding-top:0;}
  .value-item:hover .value-num{background:var(--accent);color:var(--ink);border-color:var(--accent);}
  .value-num{
    width:70px;height:70px;border-radius:12px;
    background:#fff;border:1px solid var(--line);
    display:grid;place-items:center;
    font-size:24px;font-weight:800;color:var(--brand);
    letter-spacing:.08em;
    transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out;
  }
  .value-item h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
  .value-item p{font-size:15.5px;color:var(--text-muted);line-height:1.85;max-width:640px;}

  /* ---------- 演示区 ---------- */
  .tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .tab{
    padding:9px 20px;border-radius:999px;
    background:#fff;border:1px solid var(--line-strong);
    font-size:14px;font-weight:500;color:var(--text);
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  }
  .tab:hover{border-color:var(--brand);color:var(--brand);}
  .tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
  .demo-panel{
    display:grid;grid-template-columns:8fr 4fr;gap:0;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-block);overflow:hidden;
    box-shadow:var(--shadow-1);
    animation:fade .22s ease-out;
  }
  @keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
  .demo-media{position:relative;background:var(--surface-2);}
  .demo-media img{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:0;}
  .demo-badge{
    position:absolute;left:18px;top:18px;
    background:var(--accent);color:var(--ink);
    font-size:13px;font-weight:700;
    padding:6px 14px;border-radius:999px;
  }
  .demo-points{padding:34px 30px;border-left:1px solid var(--line);}
  .demo-points h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:18px;}
  .demo-points li{
    display:flex;gap:12px;align-items:flex-start;
    padding:11px 0;font-size:15px;line-height:1.8;color:var(--text-muted);
  }
  .tick{
    width:20px;height:20px;flex:0 0 20px;margin-top:5px;border-radius:50%;
    background:var(--brand-soft);
    display:grid;place-items:center;
  }
  .tick::after{
    content:"";width:7px;height:4px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(-45deg) translateY(-1px);
  }

  /* ---------- 证据区（深色） ---------- */
  .proof{
    position:relative;
    background:var(--ink);color:#E7EFEC;
    border-radius:var(--radius-block);
    padding:72px 0;
    overflow:hidden;
  }
  .proof::before{
    content:"";position:absolute;right:0;top:0;width:340px;height:100%;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 10px);
    pointer-events:none;
  }
  .proof-inner{position:relative;z-index:2;}
  .proof-stats{
    display:grid;grid-template-columns:repeat(4,1fr);
    gap:0;margin-bottom:56px;
  }
  .proof-stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.16);}
  .proof-stat:first-child{border-left:none;padding-left:0;}
  .proof-stat strong{display:block;font-size:34px;font-weight:800;color:var(--brand);letter-spacing:.02em;line-height:1.2;}
  .proof-stat span{display:block;font-size:13.5px;color:#9FB3AE;margin-top:8px;line-height:1.6;}
  .logo-row{
    display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
    margin-bottom:48px;
  }
  .logo-cell{
    display:grid;place-items:center;
    height:62px;border-radius:var(--radius-media);
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);
    font-size:13.5px;color:#8CA09A;font-weight:600;letter-spacing:.04em;
    filter:grayscale(1);
    transition:color .2s ease-out,background .2s ease-out,filter .2s ease-out;
  }
  .logo-cell:hover{filter:none;color:#fff;background:rgba(255,255,255,.12);}
  .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
  .quote{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius-card);
    padding:28px 26px;
  }
  .quote .mark{font-size:34px;color:var(--brand);line-height:1;margin-bottom:10px;font-weight:800;}
  .quote p{font-size:15px;line-height:1.85;color:#CFDCD8;margin-bottom:18px;}
  .quote footer{font-size:13px;color:#8CA09A;}

  /* ---------- 最新信息（CMS） ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .news-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px;box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;
    transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  }
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
  .news-card:hover h3{color:var(--brand);}
  .news-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .2s ease-out;}
  .news-card-lg{grid-column:span 2;}
  .news-card-lg .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface-2);border-radius:var(--radius-media);margin-bottom:18px;}
  .news-card-lg h3{font-size:22px;line-height:1.5;margin-bottom:10px;}
  .news-card-lg p{font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:16px;}
  .news-mini{display:flex;gap:14px;align-items:flex-start;}
  .news-mini .thumb-sq{
    width:96px;height:72px;flex:0 0 96px;border-radius:10px;
    object-fit:cover;background:var(--surface-2);
  }
  .news-mini h3{font-size:15.5px;margin-bottom:6px;}
  .news-mini p{font-size:13.5px;color:var(--text-muted);line-height:1.7;margin-bottom:8px;
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
  .thumb-ph{
    width:96px;height:72px;flex:0 0 96px;border-radius:10px;
    background:var(--surface-2);color:var(--text-faint);
    display:grid;place-items:center;font-size:12px;font-weight:600;letter-spacing:.08em;
  }
  .thumb-ph-lg{
    width:100%;aspect-ratio:16/10;border-radius:var(--radius-media);
    background:var(--surface-2);color:var(--text-faint);
    display:grid;place-items:center;font-size:13px;font-weight:600;letter-spacing:.12em;
    margin-bottom:18px;
  }
  .meta{
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    font-size:13px;color:var(--text-muted);line-height:1.6;
  }
  .badge{
    display:inline-block;padding:4px 12px;border-radius:999px;
    background:var(--surface-2);color:var(--ink);
    font-size:13px;font-weight:600;
  }
  .badge-brand{background:var(--brand-soft);color:var(--brand);}
  .badge-accent{background:var(--accent);color:var(--ink);}
  .news-empty{
    grid-column:1 / -1;
    display:flex;flex-direction:column;align-items:center;gap:14px;
    padding:64px 20px;
    background:var(--surface);border:1px dashed var(--line-strong);
    border-radius:var(--radius-card);
    text-align:center;color:var(--text-muted);font-size:15px;
  }
  .news-empty svg{width:38px;height:38px;stroke:var(--line-strong);fill:none;stroke-width:1.6;}

  /* ---------- 价格区 ---------- */
  .price-wrap{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-block);overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  table.price{width:100%;border-collapse:collapse;font-size:15px;}
  table.price th,table.price td{
    padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);
    vertical-align:middle;
  }
  table.price thead th{
    background:var(--surface-2);color:var(--ink);font-weight:700;font-size:15px;
  }
  table.price tbody th{font-weight:600;color:var(--text);width:26%;}
  table.price td{color:var(--text-muted);}
  table.price tbody tr:last-child th,table.price tbody tr:last-child td{border-bottom:none;}
  table.price .col-rec{position:relative;background:rgba(232,70,42,.04);box-shadow:inset 2px 0 0 var(--brand),inset -2px 0 0 var(--brand);}
  table.price thead .col-rec{background:rgba(232,70,42,.08);}
  .rec-tag{
    display:inline-block;margin-left:8px;
    background:var(--accent);color:var(--ink);
    font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  }
  .yes{color:var(--brand);font-weight:700;}
  .no{color:var(--text-faint);}
  .price-foot{
    display:flex;align-items:center;justify-content:space-between;
    gap:24px;padding:26px 20px;flex-wrap:wrap;
    border-top:1px dashed var(--line);
  }
  .price-foot .note{font-size:13px;color:var(--text-muted);line-height:1.7;max-width:640px;}
  .price-cards{display:none;}

  /* ---------- FAQ ---------- */
  .faq{max-width:860px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 4px;text-align:left;
    font-size:17px;font-weight:600;color:var(--ink);
    transition:color .2s ease-out;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q .icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line-strong);
    display:grid;place-items:center;
    font-size:16px;color:var(--text-muted);line-height:1;
    transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
  }
  .faq-item.is-open .faq-q{color:var(--brand);}
  .faq-item.is-open .faq-q .icon{background:var(--brand);border-color:var(--brand);color:#fff;}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .24s ease-out;
  }
  .faq-a p{
    padding:0 4px 22px;
    font-size:15px;line-height:1.85;color:var(--text-muted);max-width:760px;
  }

  /* ---------- 最终 CTA ---------- */
  .cta-band{
    background:var(--brand);color:#fff;
    border-radius:var(--radius-block);
    padding:56px;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
    flex-wrap:wrap;
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.14) 0 1px,transparent 1px 12px);
    border-radius:50%;pointer-events:none;
  }
  .cta-band h2{font-size:28px;font-weight:700;line-height:1.4;margin-bottom:10px;position:relative;z-index:2;}
  .cta-band p{font-size:15.5px;color:rgba(255,255,255,.86);line-height:1.8;max-width:560px;position:relative;z-index:2;}
  .cta-band .btn{position:relative;z-index:2;background:#fff;color:var(--brand);}
  .cta-band .btn:hover{background:var(--ink);color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#C6D4D0;margin-top:var(--gap-section);}
  .foot-grid{
    display:grid;grid-template-columns:4fr 8fr;gap:56px;
    padding:72px 0 48px;
  }
  .foot-brand .logo{color:#fff;margin-bottom:18px;}
  .foot-brand .logo-text small{color:#8CA09A;}
  .foot-brand p{font-size:14.5px;line-height:1.85;color:#9FB3AE;max-width:340px;margin-bottom:20px;}
  .foot-contact{font-size:13.5px;color:#8CA09A;line-height:1.9;}
  .foot-contact strong{color:#fff;font-weight:600;}
  .foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
  .foot-cols h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
  .foot-cols li{margin-bottom:10px;}
  .foot-cols a{font-size:14px;color:#A9BAB4;transition:color .2s ease-out;}
  .foot-cols a:hover{color:var(--accent);}
  .foot-form{
    border-top:1px solid rgba(255,255,255,.14);
    padding:32px 0;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .foot-form h3{font-size:17px;color:#fff;font-weight:600;margin-bottom:6px;}
  .foot-form p{font-size:13.5px;color:#8CA09A;}
  .foot-form form{display:flex;gap:12px;flex:1;max-width:520px;}
  .foot-form input{
    flex:1;min-width:0;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.2);
    border-radius:var(--radius-input);
    padding:12px 16px;color:#fff;font-size:15px;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .foot-form input::placeholder{color:#8CA09A;}
  .foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,70,42,.25);}
  .foot-bottom{
    border-top:1px dashed rgba(255,255,255,.18);
    padding:22px 0 30px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#8CA09A;
  }
  .foot-bottom a{color:#A9BAB4;}
  .foot-bottom a:hover{color:var(--accent);}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:70;
    display:inline-flex;align-items:center;gap:8px;
    background:var(--brand);color:#fff;
    font-size:15px;font-weight:600;
    padding:14px 22px;border-radius:999px;
    box-shadow:0 18px 34px -18px rgba(232,70,42,1);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .24s ease-out,transform .24s ease-out,background .2s ease-out,visibility .24s;
  }
  .float-cta.is-visible{opacity:1;visibility:visible;transform:none;}
  .float-cta:hover{background:var(--brand-deep);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    :root{--gap-section:72px;}
    .container{padding:0 32px;}
    .hero-inner{grid-template-columns:1fr;gap:40px;}
    .hero h1{font-size:38px;}
    .value-grid{grid-template-columns:1fr;gap:36px;}
    .value-aside{position:static;}
    .value-aside figure{max-width:520px;}
    .demo-panel{grid-template-columns:1fr;}
    .demo-points{border-left:none;border-top:1px solid var(--line);}
    .proof-stats{grid-template-columns:repeat(2,1fr);gap:28px 0;}
    .proof-stat:nth-child(3){border-left:none;padding-left:0;}
    .logo-row{grid-template-columns:repeat(3,1fr);}
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .news-card-lg{grid-column:span 2;}
    .foot-grid{grid-template-columns:1fr;gap:44px;}
  }
  @media (max-width:768px){
    :root{--gap-section:56px;}
    body{font-size:16px;}
    .container{padding:0 20px;}
    .topbar-brand .topbar-hint,.topbar-dot{display:none;}
    .nav-links{display:none;}
    .nav-toggle{display:flex;}
    .site-header.menu-open .nav-links{
      display:flex;flex-direction:column;align-items:stretch;
      position:absolute;left:0;right:0;top:100%;
      background:#fff;border-bottom:1px solid var(--line);
      padding:12px 20px 20px;gap:4px;
      box-shadow:0 18px 30px -20px rgba(15,43,40,.35);
    }
    .site-header.menu-open .nav-links a{padding:14px 8px;font-size:16px;}
    .site-header.menu-open .nav-links a::after{left:8px;right:auto;width:0;bottom:8px;}
    .site-header.menu-open .nav-links a.active::after{width:64px;transform:none;}
    .nav-inner{gap:12px;min-height:66px;}
    .nav-cta{display:none;}
    .chipbar{top:66px;}
    .hero{padding:56px 0 52px;}
    .hero h1{font-size:30px;}
    .hero-stats{grid-template-columns:1fr;gap:16px;}
    .hero-stat strong{font-size:24px;}
    .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:34px;}
    .sec-title{font-size:24px;}
    .value-item{grid-template-columns:1fr;gap:14px;}
    .value-num{width:58px;height:58px;font-size:20px;}
    .proof{padding:48px 0;border-radius:16px;}
    .proof-stats{grid-template-columns:1fr;gap:24px;}
    .proof-stat{border-left:none;padding:0;}
    .proof-stat strong{font-size:28px;}
    .logo-row{grid-template-columns:repeat(2,1fr);}
    .quote-grid{grid-template-columns:1fr;}
    .news-grid{grid-template-columns:1fr;}
    .news-card-lg{grid-column:span 1;}
    .news-card-lg h3{font-size:19px;}
    .price-wrap{display:none;}
    .price-cards{display:grid;gap:18px;}
    .price-card{
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--radius-card);padding:24px;
      box-shadow:var(--shadow-1);
    }
    .price-card.is-rec{border:2px solid var(--brand);}
    .price-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px;}
    .price-card .amount{font-size:22px;font-weight:800;color:var(--brand);margin-bottom:18px;}
    .price-card dl{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;font-size:14px;}
    .price-card dt{color:var(--text-muted);}
    .price-card dd{margin:0;text-align:right;color:var(--ink);font-weight:600;}
    .cta-band{padding:36px 26px;}
    .cta-band h2{font-size:23px;}
    .foot-cols{grid-template-columns:1fr 1fr;}
    .foot-form{flex-direction:column;align-items:flex-start;}
    .foot-form form{width:100%;max-width:none;flex-direction:column;}
    .foot-form .btn{width:100%;}
    .float-cta{left:12px;right:12px;bottom:12px;justify-content:center;border-radius:14px;}
  }
  @media (max-width:520px){
    .hero h1{font-size:26px;}
    .hero-actions .btn{width:100%;}
    .tab{padding:8px 15px;font-size:13px;}
    .foot-cols{grid-template-columns:1fr;}
    .price-card dl{grid-template-columns:1fr;}
    .price-card dd{text-align:left;}
  }

/* roulang page: article */
:root{
    --brand:#E8462A;
    --brand-deep:#B8351E;
    --ink:#0F2B28;
    --accent:#C9F04A;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --surface-2:#EFEBE1;
    --line:#E3DCD0;
    --line-strong:#CFC6B6;
    --text:#17201E;
    --text-muted:#5C6A66;
    --text-faint:#8E9995;
    --radius-card:14px;
    --radius-media:12px;
    --shadow-1:0 1px 2px rgba(15,43,40,.06);
    --shadow-2:0 14px 30px -14px rgba(15,43,40,.22);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
  p{margin:0;}
  .container{max-width:1240px;margin:0 auto;padding:0 40px;}
  .num{font-variant-numeric:tabular-nums;}

  /* 顶部信息条 */
  .topbar{background:var(--ink);color:#D9E3DF;font-size:13px;line-height:1.6;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
  .topbar-left{display:flex;align-items:center;gap:14px;}
  .topbar-brand{color:#fff;font-weight:600;letter-spacing:.02em;}
  .topbar-tip{display:flex;align-items:center;gap:8px;color:#A9B8B3;}
  .topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
  .topbar-right{display:flex;align-items:center;gap:18px;}
  .topbar-right a{color:#E7F0EC;border-bottom:1px dashed rgba(231,240,236,.45);padding-bottom:1px;transition:color .2s ease,border-color .2s ease;}
  .topbar-right a:hover{color:var(--accent);border-color:var(--accent);}
  .topbar-ico{width:18px;height:18px;opacity:.75;}

  /* 主导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(140%) blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(15,43,40,.35);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
  .logo{display:flex;align-items:center;gap:12px;}
  .logo-mark{
    width:38px;height:38px;flex:0 0 38px;position:relative;border-radius:10px;
    background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
    clip-path:polygon(0 0,70% 0,100% 30%,100% 100%,0 100%);
  }
  .logo-mark::after{
    content:"";position:absolute;left:8px;bottom:8px;width:16px;height:3px;border-radius:2px;background:var(--accent);
  }
  .logo-text{font-size:17px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:.01em;}
  .logo-text small{display:block;font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--text-muted);margin-top:3px;}
  .nav-links{display:flex;align-items:center;gap:28px;}
  .nav-links a{
    position:relative;font-size:15px;color:var(--text);padding:6px 0;transition:color .2s ease;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;background:var(--brand);
    transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
  }
  .nav-links a:hover{color:var(--brand);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--brand);}
  .nav-links a.active::after{transform:scaleX(1);}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand);color:#fff;font-size:15px;font-weight:600;
    padding:11px 24px;border-radius:999px;white-space:nowrap;
    box-shadow:var(--shadow-1);transition:background .2s ease,transform .2s ease;
  }
  .nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .nav-cta:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line-strong);background:#fff;border-radius:12px;
    align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
  .nav-drawer.open{display:block;}
  .nav-drawer a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);}
  .nav-drawer a:last-child{border-bottom:0;}
  .nav-drawer a.active{color:var(--brand);font-weight:600;}

  /* 面包屑 */
  .breadcrumb{background:var(--surface-2);border-bottom:1px solid var(--line);}
  .breadcrumb-inner{display:flex;align-items:center;gap:10px;padding:13px 0;font-size:13px;color:var(--text-muted);flex-wrap:wrap;}
  .breadcrumb-inner a{color:var(--text-muted);transition:color .18s ease;}
  .breadcrumb-inner a:hover{color:var(--brand);}
  .breadcrumb-sep{color:var(--line-strong);}
  .breadcrumb-current{color:var(--brand);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* 文章头 */
  .article-head{padding:56px 0 28px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.04em;}
  .eyebrow b{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;border-radius:6px;background:var(--accent);color:var(--ink);font-size:12px;font-weight:800;}
  .article-h1{font-size:40px;line-height:1.35;font-weight:800;margin:16px 0 0;max-width:900px;}
  .meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px;font-size:13px;color:var(--text-muted);}
  .meta-row .sep{width:1px;height:12px;background:var(--line-strong);}
  .badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:13px;background:var(--surface-2);color:var(--ink);}
  .badge-brand{background:rgba(232,70,42,.12);color:var(--brand);font-weight:600;}
  .badge-accent{background:var(--accent);color:var(--ink);font-weight:700;}
  .article-hd-line{height:1px;background:var(--line);margin-top:28px;}

  /* 正文 */
  .article-main{padding:8px 0 0;}
  .article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
  .article-body p{margin:1.15em 0;}
  .article-body h2{
    font-size:28px;line-height:1.4;font-weight:700;margin:48px 0 16px;padding-left:14px;border-left:3px solid var(--brand);
  }
  .article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:32px 0 12px;}
  .article-body ul,.article-body ol{padding-left:1.5em;margin:1.1em 0;}
  .article-body li{margin:.55em 0;line-height:1.8;}
  .article-body li::marker{color:var(--brand);font-weight:700;}
  .article-body blockquote{
    margin:28px 0;padding:18px 22px;background:var(--surface-2);
    border-left:4px solid var(--accent);border-radius:0 10px 10px 0;color:var(--ink);font-style:normal;
  }
  .article-body img{border-radius:var(--radius-media);margin:24px 0 8px;}
  .article-body figure{margin:24px 0;}
  .article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:10px;}
  .article-body a{color:var(--brand);border-bottom:1px dashed rgba(232,70,42,.5);}
  .article-body a:hover{border-bottom-style:solid;}
  .article-body table{
    width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:26px 0;font-size:15px;
  }
  .article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;}
  .article-body th{background:var(--surface-2);color:var(--ink);font-weight:600;}
  .article-body pre{
    background:var(--ink);color:#E7F0EC;border-radius:12px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
  }
  .article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:14px;}
  .article-body pre code{background:transparent;padding:0;color:inherit;}
  .article-body hr{border:0;border-top:1px dashed var(--line-strong);margin:36px 0;}

  /* 文中 CTA */
  .inline-cta{
    max-width:760px;margin:44px auto 0;padding:26px 28px;border-radius:16px;
    background:rgba(232,70,42,.08);border:1px solid rgba(232,70,42,.24);
    display:flex;align-items:center;justify-content:space-between;gap:22px;
  }
  .inline-cta h3{font-size:18px;font-weight:700;margin:0 0 6px;}
  .inline-cta p{font-size:14px;color:var(--text-muted);line-height:1.7;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;transition:all .2s ease-out;cursor:pointer;border:1px solid transparent;}
  .btn-primary{background:var(--brand);color:#fff;font-size:15px;padding:13px 28px;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-primary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
  .btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink);font-size:15px;padding:12px 26px;}
  .btn-ghost:hover{background:var(--surface-2);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
  .btn-ghost:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
  .btn-sm{padding:9px 20px;font-size:14px;}

  /* 标签与翻页 */
  .article-tail{max-width:760px;margin:0 auto;}
  .tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;border-top:1px dashed var(--line-strong);}
  .tag-row .label{font-size:13px;color:var(--text-muted);margin-right:4px;}
  .tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line-strong);font-size:13px;color:var(--text-muted);background:#fff;transition:all .2s ease;}
  .tag:hover{border-color:var(--brand);color:var(--brand);}
  .prevnext{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px;}
  .pn-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);transition:all .22s ease-out;}
  .pn-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--line-strong);}
  .pn-card span{font-size:13px;color:var(--text-muted);}
  .pn-card strong{display:block;margin-top:8px;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .pn-card:hover strong{color:var(--brand);}
  .pn-next{text-align:right;}

  /* 相关推荐 */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
  .section-title{font-size:30px;line-height:1.4;font-weight:700;}
  .section-title::after{content:"";display:block;width:64px;height:4px;border-radius:2px;background:var(--brand);margin-top:14px;}
  .link-arrow{color:var(--brand);font-size:15px;font-weight:600;border-bottom:1px dashed rgba(232,70,42,.6);padding-bottom:2px;transition:all .2s ease;}
  .link-arrow:hover{border-bottom-style:solid;transform:translateX(2px);display:inline-block;}
  .related-list{display:grid;gap:14px;}
  .related-item{
    display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:16px;box-shadow:var(--shadow-1);transition:all .22s ease-out;
  }
  .related-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
  .related-thumb{width:72px;height:72px;flex:0 0 72px;border-radius:10px;object-fit:cover;background:var(--surface-2);}
  .related-body h3{font-size:17px;font-weight:600;line-height:1.55;margin:0;}
  .related-item:hover h3{color:var(--brand);}
  .related-body p{font-size:13px;color:var(--text-muted);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap;}

  /* FAQ */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;background:transparent;border:0;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;
    text-align:left;cursor:pointer;font-size:18px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-item.open .faq-q{color:var(--brand);}
  .faq-sign{font-size:22px;font-weight:400;color:var(--line-strong);transition:color .2s ease;flex:0 0 auto;}
  .faq-item.open .faq-sign{color:var(--brand);}
  .faq-a{display:none;padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-muted);}
  .faq-item.open .faq-a{display:block;}

  /* CTA 条 */
  .cta-band{
    background:var(--brand);border-radius:20px;padding:56px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
    background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 1px,transparent 1px 10px);
  }
  .cta-band h2{color:#fff;font-size:30px;line-height:1.4;font-weight:800;position:relative;z-index:1;}
  .cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin-top:10px;position:relative;z-index:1;}
  .cta-band .btn-white{background:#fff;color:var(--brand-deep);font-size:15px;padding:14px 32px;position:relative;z-index:1;}
  .cta-band .btn-white:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}

  /* 空态 */
  .empty-state{
    max-width:760px;margin:0 auto;text-align:center;padding:72px 24px;background:#fff;
    border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  }
  .empty-state svg{width:46px;height:46px;stroke:var(--line-strong);margin:0 auto 18px;}
  .empty-state h2{font-size:22px;font-weight:700;}
  .empty-state p{font-size:15px;color:var(--text-muted);margin:10px 0 24px;}

  /* 页脚 */
  .site-footer{background:var(--ink);color:#C8D4D0;position:relative;overflow:hidden;}
  .site-footer::before{
    content:"";position:absolute;top:0;right:0;width:420px;height:100%;opacity:.06;pointer-events:none;
    background-image:repeating-linear-gradient(60deg,#fff 0 1px,transparent 1px 10px);
  }
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;position:relative;z-index:1;}
  .footer-brand .logo-text{color:#fff;}
  .footer-brand .logo-text small{color:#8FA29D;}
  .footer-desc{font-size:14px;line-height:1.85;color:#A9B8B3;margin-top:18px;max-width:340px;}
  .footer-quote{
    margin-top:22px;padding:14px 16px;border-left:3px solid var(--accent);background:rgba(255,255,255,.05);border-radius:0 10px 10px 0;
  }
  .footer-quote p{font-size:13px;color:#C8D4D0;line-height:1.75;}
  .footer-quote span{display:block;font-size:12px;color:#8FA29D;margin-top:8px;}
  .footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
  .footer-col a{display:block;font-size:14px;color:#A9B8B3;padding:6px 0;transition:color .2s ease;}
  .footer-col a:hover{color:var(--accent);}
  .footer-form-bar{
    border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);
    padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:22px;position:relative;z-index:1;
  }
  .footer-form-bar strong{color:#fff;font-size:16px;font-weight:600;}
  .footer-form-bar span{font-size:13px;color:#8FA29D;margin-left:12px;}
  .footer-form{display:flex;align-items:center;gap:12px;}
  .footer-form input{
    width:280px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);color:#fff;
    border-radius:999px;padding:12px 18px;font-size:14px;outline:none;transition:all .2s ease;
  }
  .footer-form input::placeholder{color:#8FA29D;}
  .footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,70,42,.25);}
  .footer-copy{
    display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
    padding:24px 0;font-size:13px;color:#8FA29D;border-top:1px dashed rgba(255,255,255,.16);position:relative;z-index:1;
  }
  .footer-copy a{color:#A9B8B3;}
  .footer-copy a:hover{color:var(--accent);}

  /* 浮动 CTA */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:8px;
    background:var(--brand);color:#fff;font-size:14px;font-weight:600;padding:13px 22px;border-radius:999px;
    box-shadow:0 14px 30px -14px rgba(15,43,40,.45);opacity:0;visibility:hidden;transform:translateY(10px);
    transition:all .24s ease-out;
  }
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
  .float-cta:hover{background:var(--brand-deep);transform:translateY(-2px);}

  @media (max-width:1024px){
    .container{padding:0 32px;}
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:flex;}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
    .section{padding:72px 0;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .topbar-left .topbar-tip{display:none;}
    .article-head{padding:40px 0 22px;}
    .article-h1{font-size:28px;}
    .section{padding:56px 0;}
    .section-title{font-size:24px;}
    .article-body{font-size:16px;}
    .article-body h2{font-size:22px;margin-top:36px;}
    .inline-cta{flex-direction:column;align-items:flex-start;padding:22px;}
    .prevnext{grid-template-columns:1fr;}
    .pn-next{text-align:left;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
    .cta-band h2{font-size:23px;}
    .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
    .footer-form-bar{flex-direction:column;align-items:flex-start;gap:16px;}
    .footer-form{width:100%;flex-wrap:wrap;}
    .footer-form input{width:100%;}
    .breadcrumb-current{max-width:200px;}
  }
  @media (max-width:520px){
    .logo-text{font-size:15px;}
    .logo-text small{font-size:9px;letter-spacing:.1em;}
    .float-cta{right:12px;left:12px;bottom:12px;justify-content:center;}
    .related-item{align-items:flex-start;}
  }

/* roulang page: category1 */
:root{
    --brand:#E8462A;
    --brand-deep:#B8351E;
    --brand-soft:rgba(232,70,42,.08);
    --ink:#0F2B28;
    --accent:#C9F04A;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --surface-2:#EFEBE1;
    --line:#E3DCD0;
    --line-strong:#CFC6B6;
    --text:#17201E;
    --text-muted:#5C6A66;
    --text-faint:#8E9995;
    --ok:#2E7D5B;
    --warn:#C97A16;
    --err:#C0392B;
    --radius:14px;
    --radius-media:12px;
    --radius-input:10px;
    --shadow-1:0 1px 2px rgba(15,43,40,.06);
    --shadow-2:0 14px 30px -14px rgba(15,43,40,.22);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,p{margin:0;}
  :focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 40px;
  }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--ink);color:#C8D6D1;font-size:13px;line-height:1.6;}
  .topbar-inner{display:flex;align-items:center;gap:20px;min-height:38px;}
  .topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
  .topbar-brand{display:flex;align-items:center;gap:8px;color:#F4F0E7;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
  .topbar-dot{width:8px;height:8px;border-radius:2px 6px 2px 6px;background:var(--accent);flex:0 0 auto;}
  .topbar-note{color:#8FA5A0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-right{margin-left:auto;display:flex;align-items:center;gap:18px;white-space:nowrap;}
  .topbar-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);transition:color .18s var(--ease);}
  .topbar-link:hover{color:#FFFFFF;}
  .topbar-link svg{width:14px;height:14px;}

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s var(--ease);
  }
  .site-header.scrolled{box-shadow:0 10px 26px -18px rgba(15,43,40,.45);}
  .nav-inner{display:flex;align-items:center;gap:26px;min-height:70px;}

  .logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
  .logo-mark{
    position:relative;width:34px;height:34px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
    border-radius:6px 16px 6px 16px;
  }
  .logo-mark::after{
    content:"";position:absolute;left:8px;right:8px;top:10px;height:12px;
    border:2px solid rgba(255,255,255,.95);border-bottom:0;
    border-radius:999px 999px 0 0;
  }
  .logo-mark::before{
    content:"";position:absolute;left:8px;right:8px;bottom:9px;height:2px;
    background:rgba(255,255,255,.6);border-radius:2px;
  }
  .logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;color:var(--ink);line-height:1.2;letter-spacing:.01em;}
  .logo-text small{font-size:9.5px;font-weight:600;letter-spacing:.16em;color:var(--text-faint);margin-top:3px;}

  .nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
  .nav-links a{
    position:relative;padding:11px 13px;font-size:15px;color:#3B4B47;border-radius:8px;
    transition:color .18s var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .nav-links a:hover{color:var(--brand);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--brand);font-weight:600;}
  .nav-links a.active::after{transform:scaleX(1);}

  .nav-cta{
    margin-left:auto;display:inline-flex;align-items:center;gap:8px;
    padding:11px 22px;border-radius:999px;
    background:var(--brand);color:#fff;font-size:15px;font-weight:600;
    box-shadow:0 8px 20px -12px rgba(232,70,42,.9);
    transition:background .18s var(--ease),transform .18s var(--ease);
  }
  .nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .nav-cta:active{transform:translateY(0);}

  .nav-toggle{
    display:none;margin-left:auto;width:44px;height:44px;position:relative;
    border:1px solid var(--line-strong);border-radius:12px;background:#fff;
  }
  .nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);transform:translate(-50%,-50%);transition:background .2s var(--ease);}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease);}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle[aria-expanded="true"] span{background:transparent;}
  .nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

  /* ---------- 面包屑 ---------- */
  .crumb-bar{background:var(--surface-2);border-bottom:1px solid var(--line);}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);min-height:48px;flex-wrap:wrap;}
  .crumb a{color:var(--text-muted);transition:color .18s var(--ease);}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:var(--text-faint);}
  .crumb .current{color:var(--brand);font-weight:600;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    padding:68px 0 76px;
    background:linear-gradient(180deg,#FBF8F2 0%,var(--bg) 100%);
    border-bottom:1px solid var(--line);
  }
  .hero::after{
    content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
    background:repeating-linear-gradient(135deg,rgba(232,70,42,.10) 0 1px,transparent 1px 12px);
    border-radius:50%;pointer-events:none;
  }
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:52px;align-items:center;}
  .runway{
    display:inline-flex;align-items:center;gap:10px;
    padding:7px 16px 7px 12px;border-radius:999px;
    background:var(--surface);border:1px solid var(--line);
    font-size:13px;color:var(--text-muted);font-weight:600;letter-spacing:.04em;
  }
  .runway i{width:26px;height:6px;border-radius:999px;background:var(--brand);clip-path:polygon(0 0,100% 0,88% 100%,0 100%);display:block;}
  .hero h1{
    margin-top:22px;
    font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  }
  .hero h1 em{font-style:normal;color:var(--brand);}
  .hero-sub{margin-top:18px;font-size:17px;color:var(--text-muted);max-width:640px;line-height:1.9;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -16px rgba(232,70,42,.95);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;border:1px solid var(--line-strong);color:var(--ink);}
  .btn-ghost:hover{background:var(--surface-2);border-color:var(--brand);transform:translateY(-2px);}
  .btn-outline{background:transparent;border:1px solid var(--line-strong);color:var(--ink);}
  .btn-outline:hover{border-color:var(--brand);color:var(--brand);}
  .btn svg{width:16px;height:16px;}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
    border-bottom:1px dashed rgba(232,70,42,.55);padding-bottom:2px;
    transition:border-color .18s var(--ease),transform .18s var(--ease);
  }
  .text-link:hover{border-bottom-style:solid;transform:translateX(2px);}

  .hero-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-2);padding:28px 26px 24px;position:relative;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
  }
  .hero-card h2{font-size:16px;font-weight:700;color:var(--ink);}
  .hero-card .hint{font-size:13px;color:var(--text-faint);margin-top:6px;}
  .prep-list{margin-top:18px;border-top:1px solid var(--line);}
  .prep-list li{
    display:flex;gap:12px;align-items:flex-start;
    padding:13px 0;border-bottom:1px dashed var(--line);
    font-size:15px;color:#33423E;
  }
  .prep-list li:last-child{border-bottom:0;}
  .prep-list li i{
    width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:11px;
  }
  .hero-stat{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap;}
  .hero-stat .num{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:.02em;}
  .hero-stat .lbl{font-size:13px;color:var(--text-muted);margin-top:4px;}

  /* ---------- 通用分区 ---------- */
  .section{padding:96px 0;}
  .section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .sec-head{max-width:760px;margin-bottom:52px;}
  .sec-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);}
  .sec-head h2::after{content:"";display:block;width:64px;height:4px;border-radius:4px;background:var(--brand);margin-top:14px;}
  .sec-head p{margin-top:16px;color:var(--text-muted);font-size:16.5px;}

  /* ---------- 图文交替 ---------- */
  .zig-list{margin-top:-44px;}
  .zig-row{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:44px 0;border-bottom:1px dashed var(--line);
  }
  .zig-row:last-child{border-bottom:0;}
  .zig-row.reverse .zig-media{order:2;}
  .zig-media{position:relative;}
  .zig-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:var(--radius-media);box-shadow:var(--shadow-1);
    background:var(--surface-2);
  }
  .zig-badge{
    position:absolute;left:16px;top:16px;
    padding:5px 13px;border-radius:999px;
    background:var(--accent);color:var(--ink);
    font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.08em;
  }
  .zig-body .step{
    font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
    font-variant-numeric:tabular-nums;text-transform:uppercase;
  }
  .zig-body h3{margin-top:10px;font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);}
  .zig-body p{margin-top:12px;font-size:16px;color:var(--text-muted);line-height:1.9;}
  .zig-body .text-link{margin-top:18px;}

  /* ---------- 要点条形 ---------- */
  .band{
    display:grid;grid-template-columns:repeat(3,1fr);
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .band-item{padding:26px 26px 28px;border-right:1px dashed var(--line);}
  .band-item:last-child{border-right:0;}
  .band-item .k{
    font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .band-item h3{margin-top:10px;font-size:18px;font-weight:600;color:var(--ink);}
  .band-item p{margin-top:8px;font-size:15px;color:var(--text-muted);line-height:1.85;}

  /* ---------- 访问方式 ---------- */
  .way-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .way-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .way-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
  .way-icon{
    width:42px;height:42px;border-radius:12px;border:1.6px solid var(--brand);
    display:flex;align-items:center;justify-content:center;color:var(--brand);
  }
  .way-icon svg{width:20px;height:20px;}
  .way-card h3{margin-top:18px;font-size:18px;font-weight:600;color:var(--ink);}
  .way-card p{margin-top:10px;font-size:15px;color:var(--text-muted);line-height:1.85;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);
    transition:color .18s var(--ease);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q .sign{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1.6px solid var(--line-strong);position:relative;
    transition:border-color .18s var(--ease),background .18s var(--ease);
  }
  .faq-q .sign::before,.faq-q .sign::after{
    content:"";position:absolute;background:var(--text-muted);transition:background .18s var(--ease),transform .18s var(--ease);
  }
  .faq-q .sign::before{left:6px;right:6px;top:50%;height:2px;transform:translateY(-50%);border-radius:2px;}
  .faq-q .sign::after{top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-50%);border-radius:2px;}
  .faq-q[aria-expanded="true"]{color:var(--brand);}
  .faq-q[aria-expanded="true"] .sign{border-color:var(--brand);background:var(--brand-soft);}
  .faq-q[aria-expanded="true"] .sign::before{background:var(--brand);}
  .faq-q[aria-expanded="true"] .sign::after{transform:translateX(-50%) scaleY(0);background:var(--brand);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
  .faq-a p{padding:0 46px 22px 0;font-size:15px;line-height:1.85;color:var(--text-muted);}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;border-radius:20px;background:var(--brand);}
  .cta-band .bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;
    opacity:.22;mix-blend-mode:multiply;
  }
  .cta-inner{
    position:relative;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
    padding:56px 56px;color:#fff;
  }
  .cta-inner h2{font-size:28px;font-weight:700;line-height:1.4;color:#fff;}
  .cta-inner p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.9);max-width:560px;}
  .cta-inner .btn{background:#fff;color:var(--brand);flex:0 0 auto;box-shadow:0 14px 30px -18px rgba(0,0,0,.5);}
  .cta-inner .btn:hover{background:#FFF3EE;color:var(--brand-deep);transform:translateY(-2px);}
  .cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.82);}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;background:var(--ink);color:#C6D5D0;margin-top:96px;
    padding:72px 0 0;font-size:15px;
  }
  .site-footer::after{
    content:"";position:absolute;right:0;top:0;width:340px;height:220px;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 10px);
    pointer-events:none;
  }
  .footer-top{display:grid;grid-template-columns:1.2fr 1.6fr;gap:56px;position:relative;z-index:2;}
  .logo--footer .logo-text{color:#F4F0E7;}
  .logo--footer .logo-text small{color:#7E938E;}
  .footer-desc{margin-top:20px;max-width:380px;color:#9FB3AE;line-height:1.9;}
  .footer-contact{margin-top:18px;color:#9FB3AE;font-size:14px;line-height:1.9;}
  .footer-contact b{color:#E7EEEB;font-weight:600;}
  .footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
  .footer-title{font-size:14px;font-weight:700;color:#F4F0E7;letter-spacing:.04em;margin-bottom:16px;}
  .footer-list li{margin-bottom:11px;font-size:14px;}
  .footer-list a{color:#9FB3AE;transition:color .18s var(--ease);}
  .footer-list a:hover{color:var(--accent);}
  .footer-form{
    position:relative;z-index:2;
    margin-top:56px;padding:26px 28px;border-radius:var(--radius);
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  }
  .footer-form .ft{font-size:15px;color:#E7EEEB;font-weight:600;flex:0 0 auto;}
  .footer-form form{display:flex;gap:12px;flex:1 1 320px;min-width:0;}
  .footer-form input{
    flex:1 1 auto;min-width:0;padding:12px 14px;border-radius:var(--radius-input);
    border:1px solid rgba(255,255,255,.18);background:rgba(15,43,40,.55);color:#F4F0E7;
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .footer-form input::placeholder{color:#7E938E;}
  .footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,70,42,.25);}
  .footer-form button{
    padding:12px 24px;border-radius:999px;background:var(--brand);color:#fff;font-weight:600;
    transition:background .18s var(--ease),transform .18s var(--ease);white-space:nowrap;
  }
  .footer-form button:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .footer-note{font-size:12.5px;color:#7E938E;margin-top:12px;position:relative;z-index:2;}
  .footer-bottom{
    position:relative;z-index:2;margin-top:44px;padding:22px 0 28px;
    border-top:1px dashed rgba(255,255,255,.16);
    display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
    font-size:13px;color:#8FA5A0;
  }
  .footer-bottom a{color:#8FA5A0;transition:color .18s var(--ease);}
  .footer-bottom a:hover{color:var(--accent);}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{
    position:fixed;right:26px;bottom:26px;z-index:70;
    display:inline-flex;align-items:center;gap:9px;
    padding:13px 24px;border-radius:999px;
    background:var(--brand);color:#fff;font-size:15px;font-weight:600;
    box-shadow:0 18px 34px -18px rgba(15,43,40,.6);
    opacity:0;visibility:hidden;transform:translateY(14px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .18s var(--ease);
  }
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
  .float-cta:hover{background:var(--brand-deep);}
  .float-cta svg{width:16px;height:16px;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .container{padding:0 32px;}
    .nav-cta{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-links{
      position:fixed;top:0;right:0;bottom:0;width:min(84vw,330px);
      background:#fff;flex-direction:column;align-items:stretch;gap:0;
      padding:92px 22px 28px;margin:0;
      transform:translateX(102%);
      transition:transform .26s var(--ease);
      box-shadow:-20px 0 44px -26px rgba(15,43,40,.5);
      z-index:60;overflow-y:auto;
    }
    .nav-links.open{transform:translateX(0);}
    .nav-links a{padding:15px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
    .nav-links a::after{display:none;}
    .hero-grid{grid-template-columns:1fr;gap:38px;}
    .hero h1{font-size:34px;}
    .section{padding:72px 0;}
    .zig-row{grid-template-columns:1fr;gap:26px;padding:36px 0;}
    .zig-row.reverse .zig-media{order:0;}
    .way-grid{grid-template-columns:repeat(2,1fr);}
    .band{grid-template-columns:1fr;}
    .band-item{border-right:0;border-bottom:1px dashed var(--line);}
    .band-item:last-child{border-bottom:0;}
    .footer-top{grid-template-columns:1fr;gap:40px;}
    .cta-inner{padding:44px 36px;flex-direction:column;align-items:flex-start;}
  }

  @media (max-width:768px){
    .topbar-left{display:none;}
    .hero{padding:48px 0 56px;}
    .hero h1{font-size:30px;}
    .hero-sub{font-size:16px;}
    .sec-head h2{font-size:25px;}
    .footer-cols{grid-template-columns:1fr 1fr;}
    .section{padding:60px 0;}
    .site-footer{padding-top:56px;margin-top:72px;}
  }

  @media (max-width:520px){
    .container{padding:0 20px;}
    .hero h1{font-size:27px;line-height:1.32;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .hero-stat{gap:22px;}
    .hero-card{padding:22px 20px;}
    .way-grid{grid-template-columns:1fr;}
    .footer-cols{grid-template-columns:1fr;}
    .footer-form{padding:20px;}
    .footer-form form{flex-direction:column;}
    .footer-form button{width:100%;}
    .cta-inner{padding:32px 22px;}
    .cta-inner h2{font-size:22px;}
    .float-cta{right:16px;left:16px;bottom:16px;justify-content:center;}
    .faq-a p{padding-right:20px;}
  }

/* roulang page: category2 */
:root{
  --brand:#E8462A;
  --brand-deep:#B8351E;
  --ink:#0F2B28;
  --accent:#C9F04A;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEBE1;
  --line:#E3DCD0;
  --line-strong:#CFC6B6;
  --text:#17201E;
  --text-muted:#5C6A66;
  --text-faint:#8E9995;
  --ok:#2E7D5B;
  --warn:#C97A16;
  --err:#C0392B;
  --radius-card:14px;
  --radius-media:12px;
  --radius-field:10px;
  --shadow-sm:0 1px 2px rgba(15,43,40,.06);
  --shadow-lg:0 14px 30px -14px rgba(15,43,40,.22);
  --ease:ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-weight:700}
:focus-visible{outline:3px solid rgba(201,240,74,.85);outline-offset:2px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
@media (max-width:1024px){.container{padding:0 32px}}
@media (max-width:640px){.container{padding:0 20px}}

/* ---------- 顶部信息条 ---------- */
.top-bar{background:var(--ink);color:#D8E2DF;font-size:13px;line-height:1.6}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.top-bar-left{display:flex;align-items:center;gap:14px}
.top-bar-left strong{color:#fff;font-weight:600;letter-spacing:.02em}
.top-bar-left span{color:#9DB0AC}
.top-bar-right{display:flex;align-items:center;gap:18px}
.top-bar-right a{color:#fff;border-bottom:1px dashed rgba(201,240,74,.7);padding-bottom:1px;transition:color .2s var(--ease)}
.top-bar-right a:hover{color:var(--accent)}
.top-bar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:6px}
@media (max-width:768px){
  .top-bar-left span{display:none}
  .top-bar .container{justify-content:flex-end}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 22px -16px rgba(15,43,40,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;position:relative}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px 11px 11px 3px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;
  border:2px solid var(--accent);
  border-radius:50% 50% 50% 4px;
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:.01em}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--text-faint);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-muted);
  border-radius:8px;transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:#FAF7F1}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 24px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  box-shadow:0 10px 20px -14px rgba(232,70,42,.9);
}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);background:var(--surface);
  border-radius:10px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media (max-width:1024px){
  .nav-links a{padding:10px 10px;font-size:14px}
  .nav-cta{padding:10px 18px;font-size:14px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:-20px;right:-20px;top:100%;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:10px 20px 20px;box-shadow:0 20px 34px -22px rgba(15,43,40,.4);
  }
  .nav-links.open a{padding:13px 12px;font-size:15px;border-bottom:1px dashed var(--line)}
  .nav-links.open a::after{display:none}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface-2);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-muted)}
.crumb-bar .container{display:flex;align-items:center;gap:8px;min-height:46px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.crumb-bar a:hover{color:var(--brand)}
.crumb-bar .sep{color:var(--line-strong)}
.crumb-bar .current{color:var(--brand);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(160deg,#FBF9F4 0%,var(--surface-2) 62%,#E9E4D8 100%);
  border-bottom:1px solid var(--line);
  padding:76px 0 84px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;
  background:radial-gradient(circle at 50% 50%,rgba(232,70,42,.12),transparent 68%);
}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;position:relative}
.hero-copy{position:relative;padding-left:22px}
.hero-copy::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:56px;
  background:var(--brand);border-radius:3px;transform:skewX(-12deg);
}
.hero-flag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(201,240,74,.55);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.hero-flag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  margin-bottom:16px;font-family:inherit;
}
.hero-sub{font-size:18px;line-height:1.7;color:var(--text-muted);max-width:32rem;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:14px 28px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 24px -16px rgba(232,70,42,.95)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 18px 28px -18px rgba(184,53,30,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:11px 22px;font-size:14px}
.stat-row{display:flex;flex-wrap:wrap;gap:34px;border-top:1px solid var(--line-strong);padding-top:22px}
.stat-row li{display:flex;flex-direction:column;gap:4px}
.stat-row strong{
  font-size:28px;font-weight:800;color:var(--brand);line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stat-row span{font-size:13px;color:var(--text-muted);letter-spacing:.02em}
.hero-media{position:relative;border-radius:20px 20px 20px 6px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;aspect-ratio:16/12;object-fit:cover;background:var(--surface-2)}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#F3EFE6;
  background:linear-gradient(180deg,rgba(15,43,40,0),rgba(15,43,40,.88));
}
.hero-badge{
  position:absolute;top:16px;left:16px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.04em;
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  h1{font-size:34px}
}
@media (max-width:640px){
  .page-hero{padding:52px 0 56px}
  h1{font-size:28px}
  .hero-sub{font-size:16px}
  .stat-row{gap:22px}
  .stat-row strong{font-size:24px}
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{
  background:var(--ink);color:#E7EDEA;position:relative;overflow:hidden;
  border-radius:20px 20px 20px 6px;
}
.section-dark::after{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:220px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{
  font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);position:relative;padding-bottom:16px;
}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:2px;background:var(--brand);
}
.sec-head p{margin-top:16px;color:var(--text-muted);font-size:16.5px}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-head p{color:#B9C7C3}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head-center h2::after{left:50%;transform:translateX(-50%)}
@media (max-width:640px){
  .section{padding:56px 0}
  .sec-head h2{font-size:24px}
}

/* ---------- 对比表 ---------- */
.plan-wrap{position:relative}
.plan-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.plan-table th,.plan-table td{padding:16px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
.plan-table thead th{background:var(--surface-2);font-size:15px;font-weight:700;color:var(--ink)}
.plan-table thead th:first-child{font-weight:600;color:var(--text-muted)}
.plan-table tbody tr:last-child td{border-bottom:none}
.plan-table tbody tr:hover td{background:#FBF9F5}
.plan-table .row-label{font-weight:600;color:var(--ink);width:22%}
.plan-table td{font-variant-numeric:tabular-nums;color:var(--text-muted)}
.plan-table col.recommend{background:rgba(232,70,42,.045)}
.plan-table .col-recommend{position:relative;border-left:2px solid var(--brand);border-right:2px solid var(--brand)}
.plan-table thead .col-recommend{border-top:2px solid var(--brand)}
.plan-table tbody tr:last-child .col-recommend{border-bottom:2px solid var(--brand)}
.tag-recommend{
  display:inline-block;margin-left:8px;background:var(--accent);color:var(--ink);
  font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;vertical-align:2px;letter-spacing:.04em;
}
.mark-yes{color:var(--brand);font-weight:700}
.mark-no{color:var(--text-faint)}
.plan-note{margin-top:20px;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.plan-note::before{content:"";width:22px;height:1px;background:var(--line-strong)}

/* 移动端对比卡 */
.plan-cards{display:none;gap:18px}
.plan-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-sm)}
.plan-card.recommend{border:2px solid var(--brand);position:relative}
.plan-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:4px}
.plan-card .plan-price-hint{font-size:13px;color:var(--text-muted);margin-bottom:16px}
.plan-card dl{display:grid;grid-template-columns:auto 1fr;gap:10px 14px;border-top:1px dashed var(--line-strong);padding-top:16px}
.plan-card dt{font-size:13px;color:var(--text-muted);white-space:nowrap}
.plan-card dd{font-size:14px;color:var(--ink);font-weight:600;margin:0;text-align:right}
@media (max-width:860px){
  .plan-table{display:none}
  .plan-cards{display:grid}
}

/* ---------- 规格清单 ---------- */
.spec-list{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:12px 34px;box-shadow:var(--shadow-sm);
}
.spec-list dl{display:grid;grid-template-columns:150px 1fr;gap:6px 18px;align-items:baseline}
.spec-list dt{
  font-size:15px;font-weight:700;color:var(--ink);padding:18px 0;border-bottom:1px dashed var(--line-strong);
}
.spec-list dd{
  margin:0;font-size:15px;color:var(--text-muted);padding:18px 0;border-bottom:1px dashed var(--line-strong);
}
.spec-list dl > dt:nth-last-of-type(1),
.spec-list dl > dd:nth-last-of-type(1){border-bottom:none}
@media (max-width:900px){
  .spec-list{grid-template-columns:1fr;padding:8px 22px}
  .spec-list dl{grid-template-columns:118px 1fr}
  .spec-list dl:nth-child(1) dt:last-of-type,
  .spec-list dl:nth-child(1) dd:last-of-type{border-bottom:1px dashed var(--line-strong)}
}
@media (max-width:520px){
  .spec-list dl{grid-template-columns:1fr}
  .spec-list dt{padding-bottom:2px;border-bottom:none}
  .spec-list dd{padding-top:0}
}

/* ---------- 流程条带 ---------- */
.step-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border:1px solid rgba(255,255,255,.14);border-radius:16px;overflow:hidden;margin-top:8px;
}
.step-band li{padding:28px 24px;border-right:1px solid rgba(255,255,255,.14);position:relative}
.step-band li:last-child{border-right:none}
.step-band .num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:rgba(201,240,74,.18);color:var(--accent);font-weight:800;font-size:15px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step-band h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.step-band p{font-size:14.5px;line-height:1.75;color:#B4C3BF}
@media (max-width:900px){
  .step-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-band li{border-bottom:1px solid rgba(255,255,255,.14)}
  .step-band li:nth-child(2n){border-right:none}
  .step-band li:nth-last-child(-n+2){border-bottom:none}
}
@media (max-width:520px){
  .step-band{grid-template-columns:1fr}
  .step-band li{border-right:none}
  .step-band li:nth-last-child(2){border-bottom:1px solid rgba(255,255,255,.14)}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--text-muted);
  transition:all .2s var(--ease);margin-top:2px;
}
.faq-item.open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 60px 22px 4px;font-size:15px;line-height:1.85;color:var(--text-muted)}
@media (max-width:640px){
  .faq-q{font-size:16px;padding:18px 2px}
  .faq-a p{padding:0 8px 18px 2px}
}

/* ---------- 表单 ---------- */
.form-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:20px 20px 20px 6px;
  padding:44px;box-shadow:var(--shadow-lg);max-width:920px;margin:0 auto;
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line-strong);background:#FDFCFA;border-radius:var(--radius-field);
  padding:12px 14px;font-size:15px;color:var(--text);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-faint)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,70,42,.15);background:#fff;
}
.form-foot{grid-column:1 / -1;display:flex;align-items:center;justify-content:flex-end;gap:18px;flex-wrap:wrap;margin-top:4px}
.form-privacy{grid-column:1 / -1;font-size:12px;color:var(--text-faint);line-height:1.7;border-top:1px dashed var(--line);padding-top:14px;margin-top:6px}
@media (max-width:768px){
  .form-panel{padding:26px 20px}
  .form-grid{grid-template-columns:1fr}
  .form-foot{justify-content:stretch}
  .form-foot .btn{width:100%}
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand);color:#fff;border-radius:20px 20px 20px 6px;
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;box-shadow:0 26px 46px -30px rgba(232,70,42,.95);
}
.cta-band::after{
  content:"";position:absolute;right:-30px;bottom:-60px;width:280px;height:200px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 1px,transparent 1px 11px);
}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.88);max-width:34rem}
.cta-band .btn-white{background:#fff;color:var(--brand);font-weight:700}
.cta-band .btn-white:hover{background:#FFF3EF;transform:translateY(-2px)}
@media (max-width:860px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .cta-band h2{font-size:23px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9D5D1;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:#8FA5A0}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9BAB5;margin-top:18px;max-width:24rem}
.footer-contact{margin-top:16px;font-size:13.5px;color:#8FA5A0;line-height:1.9}
.footer-head{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-links a{display:block;font-size:14px;color:#A9BAB5;padding:7px 0;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-links span{display:block;font-size:14px;color:#A9BAB5;padding:7px 0}
.footer-sub p{font-size:14px;color:#A9BAB5;line-height:1.8;margin-bottom:16px}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 180px;min-width:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:11px 18px;font-size:14px;color:#fff;
}
.footer-form input::placeholder{color:#8FA5A0}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,240,74,.2)}
.footer-form button{
  border:none;background:var(--brand);color:#fff;font-weight:700;font-size:14px;
  padding:11px 24px;border-radius:999px;cursor:pointer;transition:background .18s var(--ease),transform .18s var(--ease);
}
.footer-form button:hover{background:var(--brand-deep);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px dashed rgba(255,255,255,.18);padding-top:22px;padding-bottom:30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA5A0;
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:640px){
  .site-footer{padding-top:52px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:700;
  padding:14px 24px;border-radius:999px;box-shadow:0 18px 32px -16px rgba(232,70,42,.95);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .18s var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--brand-deep)}
@media (max-width:640px){
  .float-cta{left:16px;right:16px;bottom:14px;justify-content:center;border-radius:14px}
}

/* roulang page: category3 */
:root{
  --brand:#E8462A;
  --brand-deep:#B8351E;
  --ink:#0F2B28;
  --accent:#C9F04A;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEBE1;
  --line:#E3DCD0;
  --line-strong:#CFC6B6;
  --text:#17201E;
  --text-muted:#5C6A66;
  --text-faint:#8E9995;
  --ok:#2E7D5B;
  --warn:#C97A16;
  --err:#C0392B;
  --radius:14px;
  --radius-sm:10px;
  --radius-img:12px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(15,43,40,.06);
  --shadow-2:0 14px 30px -14px rgba(15,43,40,.22);
  --container:1240px;
  --ease:.22s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#D8E2DE;font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:#F1F5F2;border-bottom:1px dashed rgba(201,240,74,.6);transition:color var(--ease),border-color var(--ease)}
.topbar-right a:hover{color:var(--accent);border-color:var(--accent)}
@media(max-width:640px){.topbar-left{display:none}.topbar-inner{justify-content:flex-end}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(15,43,40,.4)}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-mark{position:relative;width:34px;height:34px;border-radius:11px 4px 11px 4px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));flex:none}
.logo-mark::after{content:"";position:absolute;left:8px;right:8px;top:8px;height:3px;border-radius:2px;background:var(--accent)}
.logo-mark::before{content:"";position:absolute;left:8px;right:8px;bottom:8px;height:9px;border:2px solid rgba(255,255,255,.88);border-top:0;border-radius:0 0 12px 12px}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.25;color:var(--ink)}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--text-faint);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--text-muted);border-radius:999px;transition:color var(--ease),background var(--ease)}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;padding:11px 24px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;box-shadow:var(--shadow-1);transition:background var(--ease),transform var(--ease),box-shadow var(--ease)}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);background:var(--surface);border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:980px){
  .nav-links{position:absolute;top:100%;left:-20px;right:-20px;flex-direction:column;align-items:stretch;gap:2px;background:var(--surface);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--ease),transform var(--ease)}
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{padding:12px 10px;border-radius:10px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:rgba(232,70,42,.08)}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
}
@media(max-width:400px){.logo-text{font-size:15px}}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--brand);color:var(--brand)}
.btn-on-dark{background:transparent;color:#F1F5F2;border-color:rgba(241,245,242,.4)}
.btn-on-dark:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;border-bottom:1px dashed var(--brand);padding-bottom:2px;transition:border-color var(--ease),transform var(--ease)}
.link-arrow::after{content:"→";transition:transform var(--ease)}
.link-arrow:hover{border-bottom-style:solid;transform:translateX(2px)}
.link-arrow:hover::after{transform:translateX(2px)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#F1F5F2;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.42}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,43,40,.94),rgba(15,43,40,.78));}
.hero-stripes{position:absolute;right:0;top:0;width:280px;height:220px;background-image:repeating-linear-gradient(115deg,rgba(201,240,74,.14) 0 1px,transparent 1px 10px);opacity:.9;pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A9B8B3;margin-bottom:22px}
.breadcrumb a{color:#CBD8D3;transition:color var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#5E726C}
.breadcrumb .current{color:var(--accent)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:rgba(201,240,74,.14);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero h1{font-size:32px;font-weight:800;line-height:1.25;margin:18px 0 0;letter-spacing:.01em;color:#fff}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.9;color:#C9D6D1;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(241,245,242,.18);font-size:13px;color:#B6C4BF}
.hero-meta strong{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}
@media(min-width:768px){
  .hero-inner{padding:76px 0 86px}
  .hero h1{font-size:40px}
  .hero-sub{font-size:17px}
}
@media(min-width:1024px){.hero h1{font-size:46px}}

/* ---------- 板块通用 ---------- */
.section{padding:52px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand)}
.section-head .eyebrow::before{content:"";width:22px;height:6px;border-radius:2px;background:var(--brand);transform:skewX(-20deg)}
.section-head h2{font-size:26px;font-weight:700;margin-top:14px;color:var(--ink)}
.section-head h2::after{content:"";display:block;width:64px;height:4px;border-radius:2px;background:var(--brand);margin-top:14px}
.section-head p{margin-top:16px;color:var(--text-muted);font-size:16px}
@media(min-width:768px){
  .section{padding:72px 0}
  .section-head h2{font-size:31px}
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:940px;margin:0 auto;padding-left:0}
.timeline::before{content:"";position:absolute;left:23px;top:10px;bottom:10px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 36px 70px}
.tl-item:last-child{padding-bottom:0}
.tl-node{position:absolute;left:11px;top:4px;width:26px;height:26px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px rgba(232,70,42,.12)}
.tl-node::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.tl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.tl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--line-strong)}
.tl-step{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);font-variant-numeric:tabular-nums}
.tl-card h3{font-size:19px;font-weight:600;margin-top:8px;color:var(--ink)}
.tl-card p{margin-top:10px;color:var(--text-muted);font-size:15.5px}
.tl-thumb{margin-top:16px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.tl-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
@media(min-width:768px){
  .tl-item{padding-left:88px;padding-bottom:44px}
  .timeline::before{left:27px}
  .tl-node{left:15px;width:28px;height:28px}
  .tl-card{padding:24px 28px}
}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-1)}
.stat .value{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.stat .value span{font-size:15px;font-weight:600;color:var(--text-muted);margin-left:4px}
.stat .label{margin-top:8px;font-size:13px;color:var(--text-muted);line-height:1.7}
@media(min-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);gap:20px}}

/* ---------- 引用条 ---------- */
.quote-bar{display:flex;flex-wrap:wrap;align-items:flex-start;gap:16px;margin-top:26px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.quote-bar p{font-size:15.5px;color:var(--text);max-width:860px}
.quote-bar .who{font-size:13px;color:var(--text-muted);margin-top:6px}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease);display:flex;flex-direction:column}
.info-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.info-card .media{background:var(--surface-2);overflow:hidden}
.info-card .media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.info-card .body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--surface-2);color:var(--ink)}
.badge-accent{background:var(--accent);color:var(--ink)}
.badge-brand{background:rgba(232,70,42,.12);color:var(--brand)}
.info-card h3{font-size:19px;font-weight:600;color:var(--ink)}
.info-card p{font-size:15.5px;color:var(--text-muted)}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text);line-height:1.75}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2.5px solid var(--brand);border-bottom:2.5px solid var(--brand);transform:rotate(-45deg)}

/* ---------- 兼容清单 ---------- */
.spec-list{display:grid;grid-template-columns:1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.spec-row{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between;padding:16px 22px;border-bottom:1px dashed var(--line);font-size:15px}
.spec-row:last-child{border-bottom:0}
.spec-row dt{color:var(--text-muted);min-width:150px}
.spec-row dd{margin:0;color:var(--text);font-weight:600;text-align:right;flex:1}
@media(min-width:768px){.spec-list{grid-template-columns:repeat(2,1fr)}.spec-row:nth-child(odd){border-right:1px dashed var(--line)}}
@media(max-width:767px){.spec-row dd{text-align:left}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;width:100%;padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);transition:color var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--text-muted);transition:background var(--ease),color var(--ease),border-color var(--ease)}
.faq-item.open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-muted);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand);border-radius:var(--radius-lg);padding:34px 26px;color:#fff;display:flex;flex-direction:column;gap:22px;align-items:flex-start;box-shadow:var(--shadow-2)}
.cta-band h2{font-size:24px;font-weight:800;color:#fff}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:640px}
.cta-band .btn-ghost{background:#fff;border-color:#fff;color:var(--brand)}
.cta-band .btn-ghost:hover{background:#F7EFEC;border-color:#F7EFEC;color:var(--brand-deep)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 48px}
  .cta-band h2{font-size:30px}
}
.back-home{display:flex;justify-content:center;margin-top:26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6D2CE;margin-top:56px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:52px 0 34px}
.footer-brand .logo-text{color:#F1F5F2;font-size:17px}
.footer-brand .logo-text small{color:#7E908A}
.footer-brand p{margin-top:16px;color:#A9B8B3;font-size:14px;max-width:340px;line-height:1.85}
.footer-contact{margin-top:14px;color:#C6D2CE;font-size:13.5px}
.footer-col h4{font-size:14px;font-weight:700;color:#F1F5F2;letter-spacing:.04em;margin-bottom:16px}
.footer-col li a,.footer-col li span{display:block;padding:6px 0;color:#A9B8B3;font-size:14px;transition:color var(--ease)}
.footer-col li a:hover{color:var(--accent)}
.footer-form{border-top:1px solid rgba(241,245,242,.14);padding:26px 0 30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.footer-form .tip{font-size:14px;color:#A9B8B3;max-width:420px}
.footer-form form{display:flex;gap:12px;flex-wrap:wrap}
.footer-form input{width:260px;max-width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid rgba(241,245,242,.26);background:rgba(255,255,255,.06);color:#F1F5F2;font-size:14px}
.footer-form input::placeholder{color:#8CA09A}
.footer-form input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(201,240,74,.2)}
.footer-bottom{border-top:1px dashed rgba(241,245,242,.2);padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8CA09A}
.footer-bottom a{color:#A9B8B3}
.footer-bottom a:hover{color:var(--accent)}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
@media(max-width:767px){.footer-form form{width:100%}.footer-form input{width:100%}}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:20px;bottom:24px;z-index:60;padding:13px 24px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--shadow-2);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity var(--ease),transform var(--ease),background var(--ease)}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{background:var(--brand-deep)}
@media(max-width:640px){
  .float-cta{left:16px;right:16px;bottom:14px;text-align:center;border-radius:14px}
}