/* roulang page: index */
:root{
    --brand-700:#0B6B5A;
    --brand-500:#12A17E;
    --brand-300:#7FE3C4;
    --accent-500:#FF6A2B;
    --accent-100:#FFE6DA;
    --ink-900:#0C1614;
    --ink-600:#4A5A56;
    --line:#E3EAE7;
    --bg:#FFFFFF;
    --bg-soft:#F5F9F7;
    --bg-deep:#0C1614;
    --shadow-sm:0 1px 2px rgba(12,22,20,.06);
    --shadow-lg:0 12px 32px -12px rgba(12,22,20,.18);
    --radius-card:16px;
    --radius-img:12px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    color:var(--ink-900);
    background:var(--bg);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}
  .num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}
  .cut-corner{clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px)}
  .cut-corner-sm{clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}
  .grid-texture{
    background-image:linear-gradient(rgba(227,234,231,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(227,234,231,.55) 1px,transparent 1px);
    background-size:52px 52px;
  }

  /* ---------- Dock 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:90;padding:16px 20px 0;pointer-events:none}
  .dock{
    pointer-events:auto;
    max-width:1080px;margin:0 auto;
    display:flex;align-items:center;gap:16px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 12px 8px 10px;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .25s ease;
  }
  .dock:hover{box-shadow:var(--shadow-lg)}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:36px;height:36px;display:grid;place-items:center;flex:0 0 auto;
    background:var(--brand-700);color:#fff;
    clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em}
  .brand-text em{font-style:normal;font-size:11px;color:var(--ink-600);letter-spacing:.04em}
  .dock-nav{display:none;align-items:center;gap:2px;margin:0 auto;list-style:none;padding:0}
  .dock-link{
    position:relative;display:inline-block;padding:8px 11px;border-radius:999px;
    font-size:13.5px;color:var(--ink-600);white-space:nowrap;transition:color .2s ease,background-color .2s ease;
  }
  .dock-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .dock-link:hover{color:var(--ink-900)}
  .dock-link:hover::after{transform:scaleX(1)}
  .dock-link.active{background:var(--brand-300);color:var(--brand-700);font-weight:600}
  .dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
  .icon-btn{
    width:40px;height:40px;display:grid;place-items:center;border-radius:999px;
    border:1px solid var(--line);background:#fff;color:var(--ink-600);
    transition:all .2s ease;cursor:pointer;
  }
  .icon-btn:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--bg-soft)}
  .dock-cta{
    display:none;align-items:center;height:40px;padding:0 20px;border-radius:999px;
    background:var(--brand-500);color:#fff;font-size:14px;font-weight:600;
    transition:all .2s ease;
  }
  .dock-cta:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .dock-cta:active{transform:translateY(0)}
  .burger{display:grid}
  @media (min-width:1024px){
    .dock-nav{display:flex}
    .dock-cta{display:inline-flex}
    .burger{display:none}
  }
  .drawer{
    pointer-events:auto;max-width:1080px;margin:10px auto 0;
    background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:20px;
    padding:14px;box-shadow:var(--shadow-lg);
    display:none;
  }
  .drawer.open{display:block}
  @media (min-width:1024px){.drawer{display:none !important}}
  .drawer a.d-item{
    display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:12px;
    font-size:15px;color:var(--ink-900);border-bottom:1px solid var(--line);transition:background-color .2s ease;
  }
  .drawer a.d-item:last-of-type{border-bottom:none}
  .drawer a.d-item:hover{background:var(--bg-soft)}
  .drawer a.d-item span{font-size:12px;color:var(--brand-500);font-weight:700;font-variant-numeric:tabular-nums;min-width:20px}
  .drawer .d-cta{margin-top:10px;display:flex;justify-content:center;width:100%}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  }
  .btn-primary{background:var(--brand-500);color:#fff}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
  .btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand-300);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-dark{background:var(--accent-500);color:#fff}
  .btn-dark:hover{background:#EE5A1C;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);
    position:relative;padding-bottom:2px;min-height:44px;
  }
  .btn-text::after{
    content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;background:var(--accent-500);
    transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .btn-text:hover::after{transform:scaleX(1)}

  /* ---------- 徽章 / 标签 ---------- */
  .pill{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
    background:var(--brand-300);color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  }
  .pill-orange{background:var(--accent-500);color:#fff}
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:var(--brand-300);color:var(--brand-700);font-size:12px;font-weight:600;white-space:nowrap;
  }
  .badge-orange{background:var(--accent-500);color:#fff}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden}
  .hero-bg{
    position:absolute;inset:0;
    background:
      radial-gradient(680px 420px at 88% 8%, rgba(127,227,196,.28), transparent 70%),
      radial-gradient(520px 360px at 4% 92%, rgba(255,106,43,.10), transparent 68%),
      linear-gradient(180deg,#FFFFFF 0%,var(--bg-soft) 100%);
  }
  .hero-arc{
    position:absolute;right:-140px;top:60px;width:520px;height:520px;border-radius:50%;
    border:1px solid rgba(18,161,126,.22);pointer-events:none;
  }
  .hero-arc::after{
    content:"";position:absolute;inset:64px;border-radius:50%;border:1px dashed rgba(18,161,126,.20);
  }
  .hero-inner{position:relative;display:flex;flex-direction:column;justify-content:center;padding-top:44px;padding-bottom:28px}
  @media (min-width:1024px){.hero-inner{min-height:88vh;padding-top:56px;padding-bottom:36px}}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
  .hero-title{
    font-size:34px;line-height:1.28;font-weight:700;letter-spacing:-.01em;margin:20px 0 16px;
  }
  @media (min-width:640px){.hero-title{font-size:40px}}
  @media (min-width:1024px){.hero-title{font-size:46px;line-height:1.22}}
  .hero-title mark{background:linear-gradient(180deg,transparent 62%,rgba(127,227,196,.75) 62%);color:inherit;padding:0 2px}
  .hero-sub{font-size:16px;color:var(--ink-600);max-width:560px;margin:0 0 30px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
  .hero-visual{position:relative}
  .hero-visual > img{
    width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-img);
    background:var(--bg-soft);box-shadow:var(--shadow-lg);
  }
  .hero-stat-card{
    position:absolute;left:14px;right:14px;bottom:-26px;
    background:var(--bg-deep);color:#fff;padding:18px 20px;
    display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  }
  @media (min-width:640px){.hero-stat-card{left:-24px;right:auto;width:420px;bottom:-30px}}
  .hero-stat-card .stat-num{font-size:26px;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.03em}
  @media (min-width:1024px){.hero-stat-card .stat-num{font-size:32px}}
  .hero-stat-card .stat-num small{font-size:14px;color:var(--brand-300);margin-left:2px}
  .hero-stat-card .stat-label{display:block;font-size:12px;color:rgba(255,255,255,.62);margin-top:4px;line-height:1.5}
  .hero-quick{
    display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:64px;padding-top:20px;
    border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-600);
  }
  @media (min-width:1024px){.hero-quick{margin-top:84px}}
  .hero-quick a{display:inline-flex;align-items:center;gap:8px;transition:color .2s ease}
  .hero-quick a b{
    font-size:11px;color:var(--brand-500);font-variant-numeric:tabular-nums;font-weight:700;
    border:1px solid var(--brand-300);border-radius:4px;padding:1px 4px;
  }
  .hero-quick a:hover{color:var(--brand-700)}

  /* ---------- 区块通用 ---------- */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:104px 0}}
  .section-soft{background:var(--bg-soft)}
  .section-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
  @media (min-width:1024px){.section-head{margin-bottom:56px}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-500);font-weight:700;
    letter-spacing:.06em;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);display:block}
  .h2{font-size:26px;line-height:1.3;font-weight:700;margin:0;letter-spacing:-.01em}
  @media (min-width:1024px){.h2{font-size:34px}}
  .h3{font-size:18px;font-weight:700;margin:0;line-height:1.45}
  @media (min-width:1024px){.h3{font-size:20px}}
  .lead{color:var(--ink-600);font-size:15.5px;margin:12px 0 0;max-width:640px}
  .h2-bar{position:relative;padding-left:16px}
  .h2-bar::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:3px;background:var(--brand-700);
  }

  /* ---------- 优势卡 ---------- */
  .adv-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){.adv-grid{grid-template-columns:repeat(6,1fr)}}
  .adv-wide{grid-column:span 1}
  .adv-a{grid-column:span 1}
  .adv-b,.adv-c{grid-column:span 1}
  @media (min-width:768px){
    .adv-wide{grid-column:span 4}
    .adv-a{grid-column:span 2}
    .adv-b{grid-column:span 3}
    .adv-c{grid-column:span 3}
  }
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-300)}
  .adv-wide{padding:0;overflow:hidden;position:relative;display:flex;flex-direction:column}
  .adv-wide img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-soft)}
  @media (min-width:768px){.adv-wide img{aspect-ratio:16/7}}
  .adv-wide-body{padding:24px}
  .card-corner{
    position:absolute;top:0;right:0;width:58px;height:58px;background:var(--brand-300);
    clip-path:polygon(100% 0,100% 100%,0 0);pointer-events:none;
  }
  .adv-icon{
    width:46px;height:46px;display:grid;place-items:center;border-radius:12px;
    background:var(--bg-soft);color:var(--brand-700);margin-bottom:18px;
    clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  }
  .adv-icon svg{width:22px;height:22px}
  .adv-wide .adv-icon{background:rgba(127,227,196,.35)}
  .card p{color:var(--ink-600);font-size:14.5px;margin:10px 0 0}

  /* ---------- 展示 ---------- */
  .scroll-x{display:flex;gap:22px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory}
  .scroll-x::-webkit-scrollbar{height:6px}
  .scroll-x::-webkit-scrollbar-track{background:var(--bg-soft);border-radius:999px}
  .scroll-x::-webkit-scrollbar-thumb{background:var(--brand-300);border-radius:999px}
  .scroll-x::-webkit-scrollbar-thumb:hover{background:var(--brand-500)}
  .show-card{
    flex:0 0 288px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease;position:relative;
  }
  @media (min-width:768px){.show-card{flex:0 0 340px}}
  .show-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .show-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-soft);transition:transform .4s ease}
  .show-card:hover img{transform:scale(1.04)}
  .show-card .img-wrap{overflow:hidden}
  .show-card .tick{
    position:absolute;top:12px;left:12px;height:26px;padding:0 12px;border-radius:999px;
    background:rgba(12,22,20,.86);color:#fff;font-size:12px;font-weight:700;
    display:inline-flex;align-items:center;font-variant-numeric:tabular-nums;letter-spacing:.06em;
  }
  .show-card .body{padding:18px 20px 22px}
  .show-card .body h3{font-size:16.5px;margin:0 0 6px;font-weight:700}
  .show-card .body p{margin:0;font-size:13.5px;color:var(--ink-600)}

  /* ---------- 深色证据区 ---------- */
  .deep{background:var(--bg-deep);color:#fff;position:relative;overflow:hidden}
  .deep::before{
    content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
    border:1px solid rgba(127,227,196,.16);
  }
  .deep .eyebrow{color:var(--brand-300)}
  .deep .eyebrow::before{background:var(--accent-500)}
  .deep .h2{color:#fff}
  .deep .lead{color:rgba(255,255,255,.66)}
  .proof-grid{display:grid;grid-template-columns:1fr;gap:44px;position:relative}
  @media (min-width:1024px){.proof-grid{grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}}
  .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 20px}
  .stat-item{border-left:2px solid rgba(127,227,196,.4);padding-left:16px}
  .stat-item .v{font-size:36px;line-height:1.05;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
  @media (min-width:1024px){.stat-item .v{font-size:46px}}
  .stat-item .v small{font-size:15px;color:var(--brand-300);margin-left:3px;font-weight:600}
  .stat-item .k{display:block;font-size:13px;color:rgba(255,255,255,.55);margin-top:8px;line-height:1.6}
  .logo-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  @media (min-width:640px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
  .logo-cell{
    display:flex;align-items:center;justify-content:center;min-height:76px;padding:12px;
    border:1px solid rgba(255,255,255,.12);border-radius:14px;
    color:rgba(255,255,255,.45);font-size:14px;font-weight:600;letter-spacing:.04em;text-align:center;
    transition:all .25s ease;filter:grayscale(1);
  }
  .logo-cell:hover{color:var(--brand-300);border-color:rgba(127,227,196,.45);background:rgba(127,227,196,.06);filter:grayscale(0);transform:translateY(-2px)}

  /* ---------- 资讯列表 ---------- */
  .news-grid{display:grid;grid-template-columns:1fr;gap:22px}
  @media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
  .news-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-300)}
  .news-card .thumb{overflow:hidden;background:var(--bg-soft)}
  .news-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
  .news-card:hover .thumb img{transform:scale(1.04)}
  .news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .news-card h3{
    font-size:17px;font-weight:700;margin:0;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-card p{
    font-size:14px;color:var(--ink-600);margin:0;line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-card .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
  .news-card .meta time{font-size:13px;color:var(--ink-600);font-variant-numeric:tabular-nums}
  .empty-state{
    border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--bg-soft);
    padding:56px 24px;text-align:center;color:var(--ink-600);
  }
  .empty-state .ic{
    width:56px;height:56px;margin:0 auto 16px;display:grid;place-items:center;border-radius:16px;
    background:#fff;border:1px solid var(--line);color:var(--brand-500);
  }
  .empty-state p{margin:0 0 18px;font-size:14.5px}

  /* ---------- 方案价格 ---------- */
  .price-grid{display:grid;grid-template-columns:1fr;gap:22px;align-items:stretch}
  @media (min-width:768px){.price-grid{grid-template-columns:repeat(3,1fr)}}
  .price-card{
    position:relative;display:flex;flex-direction:column;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;
    box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
  }
  .price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .price-card.featured{
    border-color:transparent;border-top:4px solid var(--brand-500);box-shadow:var(--shadow-lg);
    background:linear-gradient(180deg,#FFFFFF 0%,var(--bg-soft) 100%);
  }
  .price-card .tag{
    position:absolute;top:-1px;right:-1px;background:var(--accent-500);color:#fff;font-size:12px;font-weight:700;
    padding:6px 14px;border-radius:0 14px 0 14px;
  }
  .price-name{font-size:16px;font-weight:700;margin:0 0 6px}
  .price-desc{font-size:13.5px;color:var(--ink-600);margin:0}
  .price-value{display:flex;align-items:baseline;gap:6px;margin:20px 0 22px;flex-wrap:wrap}
  .price-value .v{font-size:40px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.04em;color:var(--ink-900)}
  .price-value .u{font-size:13.5px;color:var(--ink-600)}
  .price-list{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:2px;flex:1}
  .price-list li{
    display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-600);
    padding:11px 10px;border-bottom:1px solid var(--line);border-radius:8px;
    transition:background-color .2s ease,box-shadow .2s ease;
  }
  .price-list li:hover{background:var(--bg-soft);box-shadow:inset 2px 0 0 var(--brand-500)}
  .price-list li svg{flex:0 0 auto;width:16px;height:16px;color:var(--brand-500);margin-top:5px}
  .price-card .btn{width:100%}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:1024px){.faq-grid{grid-template-columns:340px 1fr;gap:64px;align-items:start}}
  .faq-item{position:relative;border-bottom:1px solid var(--line);padding-left:0;transition:padding-left .25s ease}
  .faq-item::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--accent-500);
    transform:scaleY(0);transform-origin:top;transition:transform .28s ease;
  }
  .faq-item[open]{padding-left:16px}
  .faq-item[open]::before{transform:scaleY(1)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 0;font-size:16px;font-weight:600;color:var(--ink-900);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--brand-700)}
  .faq-plus{
    flex:0 0 auto;width:30px;height:30px;display:grid;place-items:center;border-radius:999px;
    background:var(--bg-soft);border:1px solid var(--line);color:var(--brand-700);
    transition:transform .28s ease,background-color .25s ease,color .25s ease;
  }
  .faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--brand-500);border-color:var(--brand-500);color:#fff}
  .faq-body{font-size:14.8px;color:var(--ink-600);padding:0 0 22px;max-width:760px}

  /* ---------- 底部 CTA 带 ---------- */
  .cta-band{background:var(--bg-deep);color:#fff;position:relative;overflow:hidden}
  .cta-inner{
    position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding:64px 0;
  }
  @media (min-width:1024px){.cta-inner{grid-template-columns:1fr auto;align-items:center;padding:76px 0}}
  .cta-inner h2{font-size:26px;line-height:1.35;font-weight:700;margin:0}
  @media (min-width:1024px){.cta-inner h2{font-size:34px}}
  .cta-inner p{color:rgba(255,255,255,.62);font-size:15px;margin:12px 0 0;max-width:600px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .cta-arc{
    position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
    border:1px solid rgba(127,227,196,.22);pointer-events:none;
  }
  .cta-arc::after{content:"";position:absolute;inset:52px;border-radius:50%;border:1px dashed rgba(255,106,43,.28)}
  .cta-contact{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:24px;font-size:14px;color:rgba(255,255,255,.7)}
  .cta-contact span{display:inline-flex;align-items:center;gap:8px}
  .cta-contact svg{width:16px;height:16px;color:var(--brand-300)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#08110F;color:rgba(255,255,255,.66);padding:64px 0 0;font-size:14px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-mark{background:var(--brand-500)}
  .footer-brand strong{color:#fff;font-size:16px;font-weight:700}
  .footer-brand em{display:block;font-style:normal;font-size:11.5px;color:rgba(255,255,255,.5)}
  .footer-title{color:#fff;font-size:14px;font-weight:700;margin:0 0 16px;letter-spacing:.02em}
  .footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
  .footer-links a{color:rgba(255,255,255,.62);transition:color .2s ease}
  .footer-links a:hover{color:var(--brand-300)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
    display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.45);
  }

  /* ---------- 浮动 CTA ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:70;
    display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 22px;border-radius:999px;
    background:var(--brand-500);color:#fff;font-size:14.5px;font-weight:600;
    box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(14px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background-color .2s ease;
  }
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
  .float-cta:hover{background:var(--brand-700);transform:translateY(-2px)}
  .float-cta svg{width:18px;height:18px}
  @media (max-width:767px){
    .float-cta{
      right:0;left:0;bottom:0;width:100%;justify-content:center;border-radius:0;
      height:auto;min-height:56px;padding:12px 20px calc(12px + env(safe-area-inset-bottom));
      transform:translateY(100%);
    }
    .float-cta.show{transform:translateY(0)}
  }

/* roulang page: article */
:root{
  --brand-700:#0B6B5A;
  --brand-500:#12A17E;
  --brand-300:#7FE3C4;
  --accent-500:#FF6A2B;
  --accent-100:#FFE6DA;
  --ink-900:#0C1614;
  --ink-600:#4A5A56;
  --line:#E3EAE7;
  --bg:#FFFFFF;
  --bg-soft:#F5F9F7;
  --bg-deep:#0C1614;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,22,20,.06);
  --sh-2:0 12px 32px -12px rgba(12,22,20,.18);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:16px 0 0;
  font-family:var(--font-sans);font-size:16px;line-height:1.8;
  color:var(--ink-900);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:639px){.container{padding:0 20px}}
.num,.tabular,time,.price{font-variant-numeric:tabular-nums}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:sticky;top:16px;z-index:60;
  width:calc(100% - 40px);max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;
  background:var(--brand-500);color:#fff;
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
  border-radius:10px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-600);letter-spacing:.08em}
.dock-nav{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.dock-link{position:relative;display:inline-block;padding:8px 12px;font-size:14px;border-radius:var(--r-pill);color:var(--ink-900);transition:color .2s,background .2s}
.dock-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .22s;
}
.dock-link:hover{color:var(--brand-700)}
.dock-link:hover::after{transform:scaleX(1)}
.dock-link.is-active{background:var(--brand-300);color:var(--brand-700);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--ink-900);transition:.2s;
}
.icon-btn:hover{background:var(--bg-soft);color:var(--brand-700);border-color:var(--brand-300)}
.dock-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--brand-500);color:#fff;
  font-size:14px;font-weight:600;transition:.22s;
}
.dock-cta:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.dock-cta:active{transform:translateY(0)}
.burger{display:none}
.dock-drawer{display:none}
.dock-drawer.is-open{display:block;width:calc(100% - 24px);max-width:1080px;margin:12px auto 0;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-2);padding:14px}
.dock-drawer ul{list-style:none}
.dock-drawer a{display:flex;align-items:center;gap:12px;padding:12px 8px;font-size:15px;border-radius:12px;transition:.2s}
.dock-drawer a:hover{background:var(--bg-soft);color:var(--brand-700)}
.dock-drawer .dnum{font-size:12px;color:var(--brand-500);font-variant-numeric:tabular-nums;font-weight:700}
.drawer-cta{width:100%;margin-top:10px}
@media (max-width:900px){
  .dock{width:calc(100% - 24px);gap:10px;padding:8px 12px}
  .dock-nav{display:none}
  .dock-actions .dock-cta{display:none}
  .burger{display:grid}
  .brand-text em{font-size:10px}
}
@media (max-width:639px){
  .dock{border-radius:18px}
}

/* ============ 文章首屏 ============ */
.article-hero{
  position:relative;margin-top:26px;padding:76px 0 66px;color:#fff;overflow:hidden;
  background:linear-gradient(118deg,rgba(12,22,20,.94) 0%,rgba(11,107,90,.86) 62%,rgba(12,22,20,.9) 100%),
             url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:440px;height:440px;
  border:2px solid rgba(127,227,196,.34);border-radius:50%;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--brand-300)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:#fff;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{font-size:30px;line-height:1.3;margin:18px 0 14px}
@media (min-width:1024px){.article-hero h1{font-size:44px}}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.8);margin:0 0 22px;max-width:660px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.78)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-soft{background:var(--brand-300);color:#0B4A3E}
.badge-accent{background:var(--accent-500);color:#fff}

/* ============ 通用区块 ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-soft{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-title{position:relative;padding-left:16px;font-size:24px}
@media (min-width:1024px){.section-title{font-size:28px}}
.section-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--brand-500)}
.section-desc{color:var(--ink-600);font-size:14px;margin:8px 0 0;line-height:1.8}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s;
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand-300);color:var(--brand-700)}
.btn-text{min-height:auto;padding:0;color:var(--brand-700);position:relative;border:0;background:none}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.btn-text:hover::after{transform:scaleX(1)}

/* ============ 正文 + 侧栏 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center}
}
.article-content{font-size:16px;line-height:1.9;color:#1A2422;min-width:0}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.2em}
.article-content h2{position:relative;padding-left:16px;font-size:24px;margin:2em 0 .7em}
@media (min-width:1024px){.article-content h2{font-size:28px}}
.article-content h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--brand-500)}
.article-content h3{position:relative;padding-left:18px;font-size:18px;margin:1.6em 0 .6em}
@media (min-width:1024px){.article-content h3{font-size:20px}}
.article-content h3::before{content:"";position:absolute;left:0;top:.5em;width:8px;height:8px;border-radius:2px;background:var(--brand-500)}
.article-content ul{margin:0 0 1.3em}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-content ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-500)}
.article-content ol{padding-left:1.3em;margin:0 0 1.3em}
.article-content ol li{margin-bottom:.55em}
.article-content blockquote{
  margin:1.5em 0;padding:16px 22px;background:var(--bg-soft);
  border-left:3px solid var(--brand-500);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-600);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:1.5em 0;background:var(--bg-soft)}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:13px;line-height:1.6;color:var(--ink-600);margin-top:8px}
.article-content a{color:var(--brand-700);border-bottom:1px solid var(--brand-300)}
.article-content a:hover{color:var(--accent-500);border-color:var(--accent-500)}
.article-content table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:1.6em 0;border:1px solid var(--line);border-radius:var(--r-img);
}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-content th{background:var(--bg-soft);font-weight:600}
.article-content pre{
  background:var(--bg-deep);color:#E6F5F0;padding:18px 20px;border-radius:var(--r-img);
  overflow-x:auto;font-size:14px;line-height:1.7;font-variant-numeric:tabular-nums;
}
.article-content strong{font-weight:700;color:var(--brand-700)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

.article-side{min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:104px;align-self:start}}
.side-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;margin-bottom:20px;box-shadow:var(--sh-1)}
.side-title{font-size:15px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.side-title span.dot{width:8px;height:8px;border-radius:2px;background:var(--brand-500);display:inline-block}
.side-nav{list-style:none}
.side-nav li+li{border-top:1px solid var(--line)}
.side-nav a{display:block;padding:12px;font-size:14px;border-radius:10px;transition:.2s}
.side-nav a:hover{background:var(--bg-soft);color:var(--brand-700);box-shadow:inset 2px 0 0 var(--brand-500)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--bg-soft);border:1px solid var(--line);font-size:12px;color:var(--ink-600);transition:.2s;
}
.tag:hover{background:var(--brand-300);border-color:var(--brand-300);color:#0B4A3E}
.side-cta{position:relative;overflow:hidden;background:var(--bg-deep);color:#fff;border-radius:var(--r-card);padding:22px;margin-bottom:20px}
.side-cta::after{content:"";position:absolute;right:-70px;top:-70px;width:180px;height:180px;border:2px solid rgba(127,227,196,.3);border-radius:50%}
.side-cta h3{position:relative;z-index:2;font-size:17px;margin:0 0 8px}
.side-cta p{position:relative;z-index:2;font-size:13px;line-height:1.75;color:rgba(255,255,255,.72);margin:0 0 16px}
.side-cta .btn{position:relative;z-index:2;width:100%;background:var(--accent-500);color:#fff}
.side-cta .btn:hover{background:#E85A1E;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(255,106,43,.8)}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-soft);
}
.empty-state svg{color:var(--brand-500);margin:0 auto 16px}
.empty-state p{margin:0 0 18px;color:var(--ink-600)}

/* ============ 上下篇 / 相关推荐 ============ */
.post-nav{display:grid;gap:16px;grid-template-columns:1fr;margin:48px 0 0}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-card{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);transition:.25s;
}
.post-nav-card:hover{border-color:var(--brand-300);background:var(--bg-soft);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pn-label{display:block;font-size:12px;font-weight:700;color:var(--brand-700);letter-spacing:.06em;margin-bottom:8px}
.pn-title{display:block;font-size:15px;line-height:1.65}
.post-nav-card.next{text-align:right}

.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s;display:block}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card-media{overflow:hidden;background:var(--bg-soft)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 22px}
.card-title{font-size:17px;line-height:1.55;margin:0 0 10px}
.card-time{font-size:13px;color:var(--ink-600)}
.card-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--brand-300);color:#0B4A3E;font-size:12px;font-weight:600;margin-bottom:12px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--accent-500)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{flex-shrink:0;width:22px;height:22px;display:grid;place-items:center;color:var(--brand-700);transition:transform .28s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--ink-600);font-size:15px;line-height:1.85}

/* ============ 底部 CTA 带 ============ */
.cta-band{position:relative;background:var(--bg-deep);color:#fff;padding:64px 0;overflow:hidden;margin-top:8px}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:100% 48px;
}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:360px;height:360px;border:2px solid rgba(127,227,196,.3);border-radius:50%}
.cta-inner{position:relative;z-index:2;display:grid;gap:28px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.5fr 1fr;align-items:center;gap:48px}}
.cta-band h2{font-size:26px;line-height:1.35;margin:0 0 12px}
@media (min-width:1024px){.cta-band h2{font-size:32px}}
.cta-band p{color:rgba(255,255,255,.74);margin:0;font-size:15px;line-height:1.85}
.cta-meta{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:22px;font-size:13px;color:rgba(255,255,255,.7)}
.cta-meta b{display:block;font-size:16px;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 24px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-brand strong{display:block;font-size:16px}
.footer-brand em{font-style:normal;display:block;font-size:11px;color:var(--ink-600);letter-spacing:.06em}
.footer-title{font-size:14px;margin:0 0 14px}
.footer-links{list-style:none;font-size:14px;color:var(--ink-600)}
.footer-links li{margin-bottom:10px}
.footer-links a{transition:color .2s}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-600);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:32px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--brand-500);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 14px 32px -14px rgba(12,22,20,.55);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .28s,transform .28s,background .22s;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--brand-700)}
@media (max-width:639px){
  body{padding-bottom:68px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;justify-content:center;border-radius:0;
    padding-bottom:env(safe-area-inset-bottom);
    opacity:1;transform:none;pointer-events:auto;
  }
}

/* roulang page: category1 */
:root{
  --brand-700:#0B6B5A;
  --brand-500:#12A17E;
  --brand-300:#7FE3C4;
  --accent-500:#FF6A2B;
  --accent-100:#FFE6DA;
  --ink-900:#0C1614;
  --ink-600:#4A5A56;
  --line:#E3EAE7;
  --bg:#FFFFFF;
  --bg-soft:#F5F9F7;
  --bg-deep:#0C1614;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,22,20,.06);
  --sh-2:0 12px 32px -12px rgba(12,22,20,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:-.02em;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- 导航 Dock ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 20px 0;
}
.dock-wrap{position:relative;max-width:1080px;margin:0 auto;}
.dock{
  display:flex;
  align-items:center;
  gap:14px;
  padding:9px 12px 9px 14px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:box-shadow .3s ease;
}
.dock:hover{box-shadow:var(--sh-2);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  background:var(--brand-500);
  color:#fff;
  clip-path:polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.brand-text em{
  font-style:normal;
  font-size:11.5px;
  color:var(--brand-700);
  letter-spacing:.06em;
}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.dock-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--ink-600);
  border-radius:var(--r-pill);
  transition:color .22s ease,background-color .22s ease;
  white-space:nowrap;
}
.dock-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s ease;
}
.dock-link:hover{color:var(--brand-700);}
.dock-link:hover::after{transform:scaleX(1);}
.dock-link.is-active{
  background:var(--brand-300);
  color:var(--brand-700);
  font-weight:700;
}
.dock-link.is-active::after{display:none;}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:var(--r-pill);
  color:var(--ink-600);
  border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.icon-btn:hover{background:var(--bg-soft);color:var(--brand-700);border-color:var(--line);}
.dock-cta{
  display:inline-flex;align-items:center;
  min-height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--brand-500);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  box-shadow:0 6px 16px -8px rgba(18,161,126,.9);
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.dock-cta:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(11,107,90,.7);}
.dock-cta:active{transform:translateY(0);}
.burger{display:none;}
.dock-search{
  position:absolute;
  top:calc(100% + 10px);
  left:0;right:0;
  display:none;
  padding:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-2);
}
.dock-search.open{display:block;}
.dock-search input{
  width:100%;
  min-height:44px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg-soft);
  color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.dock-search input::placeholder{color:#8C9B97;}
.dock-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 2px rgba(18,161,126,.22);
}
.dock-drawer{
  position:fixed;
  top:0;left:0;right:0;
  z-index:70;
  padding:88px 20px 20px;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-2);
  transform:translateY(-102%);
  transition:transform .34s cubic-bezier(.32,.72,.28,1);
}
.dock-drawer.open{transform:translateY(0);}
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{
  display:flex;align-items:center;gap:12px;
  padding:15px 2px;
  font-size:16px;
  color:var(--ink-900);
}
.drawer-list a span.no{
  font-size:12px;
  color:var(--brand-500);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.drawer-list a.is-active{color:var(--brand-700);font-weight:700;}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  width:100%;min-height:48px;
  margin-top:18px;
  border-radius:var(--r-pill);
  background:var(--brand-500);
  color:#fff;font-weight:700;
}
.drawer-cta:hover{background:var(--brand-700);}

/* ---------- 通用按钮 / 徽章 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-500);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(18,161,126,.95);
}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(11,107,90,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink-900);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{
  background:var(--accent-500);
  color:#fff;
}
.btn-accent:hover{background:#E8571A;transform:translateY(-2px);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.badge{
  display:inline-flex;align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-300);
  color:var(--brand-700);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.badge-hot{background:var(--accent-500);color:#fff;}

/* ---------- Hero 条 ---------- */
.cat-hero{
  position:relative;
  margin-top:22px;
  min-height:240px;
  display:flex;
  align-items:center;
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:34px 34px;
  opacity:.55;
  -webkit-mask-image:linear-gradient(to right, rgba(0,0,0,.9), transparent 72%);
  mask-image:linear-gradient(to right, rgba(0,0,0,.9), transparent 72%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-90px;top:-80px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid var(--brand-300);
  box-shadow:0 0 0 44px rgba(127,227,196,.16), 0 0 0 88px rgba(127,227,196,.08);
  opacity:.75;
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:40px;
  align-items:center;
  width:100%;
  padding-top:36px;
  padding-bottom:36px;
}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;
  color:var(--ink-600);
  margin-bottom:14px;
}
.crumb a{color:var(--ink-600);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-500);}
.crumb span.sep{color:#B9C6C2;}
.crumb span[aria-current]{color:var(--brand-700);font-weight:700;}
.hero-title{
  font-size:30px;
  line-height:1.24;
  letter-spacing:-.02em;
  color:var(--ink-900);
  margin-bottom:12px;
}
.hero-title .hl{color:var(--brand-500);}
.hero-lead{
  max-width:560px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-600);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:20px;
}
.hero-meta li{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink-600);
}
.hero-meta li b{
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  letter-spacing:-.02em;
}
.hero-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg-soft);
  box-shadow:var(--sh-1);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(150deg, rgba(12,22,20,0) 45%, rgba(12,22,20,.42));
  pointer-events:none;
}
.hero-chip{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  background:var(--ink-900);
  color:#fff;
  font-size:12.5px;
  clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

/* ---------- 主区布局 ---------- */
.cat-main{
  padding:72px 0 88px;
  background:var(--bg);
}
.cat-layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.side-nav{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-block{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-title{
  font-size:13px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.side-links li{border-bottom:1px solid var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  padding:11px 2px 11px 10px;
  font-size:14.5px;
  color:var(--ink-600);
  border-left:2px solid transparent;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.side-links a:hover{background:var(--bg-soft);color:var(--brand-700);border-left-color:var(--brand-500);padding-left:14px;}
.side-links a.is-current{color:var(--brand-700);font-weight:700;border-left-color:var(--accent-500);padding-left:14px;}
.side-links a svg{opacity:.55;flex-shrink:0;}
.side-cta{
  border-radius:var(--r-card);
  padding:22px 20px;
  background:var(--brand-700);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.side-cta::after{
  content:"";
  position:absolute;
  right:-52px;bottom:-52px;
  width:132px;height:132px;
  border-radius:50%;
  border:1px solid rgba(127,227,196,.5);
  box-shadow:0 0 0 22px rgba(127,227,196,.12);
}
.side-cta h3{font-size:16px;margin-bottom:8px;}
.side-cta p{font-size:13px;line-height:1.75;color:#C8E7DE;margin-bottom:16px;}
.side-cta .btn{
  position:relative;z-index:2;
  width:100%;
  background:#fff;
  color:var(--brand-700);
  min-height:42px;
  font-size:14px;
}
.side-cta .btn:hover{background:var(--brand-300);}

/* ---------- 卡片网格 ---------- */
.grid-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  margin-bottom:24px;
}
.grid-head h2{font-size:24px;color:var(--ink-900);}
.grid-head p{font-size:14px;color:var(--ink-600);margin-top:6px;}
.count-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--bg-soft);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink-600);
}
.count-pill b{
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  font-size:17px;
  letter-spacing:-.02em;
}
.mat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.mat-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.mat-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:var(--brand-300);
}
.mat-card-link{display:block;height:100%;}
.mat-media{
  position:relative;
  overflow:hidden;
  background:var(--bg-soft);
}
.mat-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .45s ease;
}
.mat-card:hover .mat-media img{transform:scale(1.04);}
.mat-media .badge{
  position:absolute;
  left:12px;top:12px;
}
.mat-body{padding:20px 20px 18px;}
.mat-title{
  font-size:17.5px;
  line-height:1.45;
  color:var(--ink-900);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mat-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.mat-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;}
.mat-tags li{
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--bg-soft);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--ink-600);
}
.mat-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.mat-date{
  font-size:12.5px;
  color:#8C9B97;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.mat-more{
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-700);
  border-bottom:2px solid transparent;
  transition:border-color .22s ease,color .22s ease;
}
.mat-card:hover .mat-more{border-bottom-color:var(--accent-500);color:var(--brand-500);}
.load-more-wrap{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  margin-top:36px;
}
.load-more-wrap p{font-size:13px;color:#8C9B97;}

/* ---------- 流程 ---------- */
.flow-section{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:80px 0;
}
.section-title{
  font-size:24px;
  color:var(--ink-900);
  margin-bottom:10px;
}
.section-title::before{
  content:"";
  display:block;
  width:38px;height:4px;
  border-radius:2px;
  background:var(--brand-700);
  margin-bottom:14px;
}
.section-sub{font-size:15px;color:var(--ink-600);max-width:660px;}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:38px;
}
.flow-item{
  position:relative;
  padding:26px 22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.flow-item .no{
  display:inline-block;
  font-size:34px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.04em;
  line-height:1;
  color:var(--brand-300);
  margin-bottom:14px;
}
.flow-item h3{font-size:16.5px;margin-bottom:8px;}
.flow-item p{font-size:13.8px;line-height:1.8;color:var(--ink-600);}
.flow-item::after{
  content:"";
  position:absolute;
  right:18px;top:22px;
  width:12px;height:12px;
  border-top:2px solid var(--accent-500);
  border-right:2px solid var(--accent-500);
}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;background:var(--bg);}
.faq-layout{
  display:grid;
  grid-template-columns:.85fr 1.35fr;
  gap:48px;
  align-items:start;
}
.faq-side p{font-size:14.5px;line-height:1.85;color:var(--ink-600);margin-top:12px;max-width:340px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-2);}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--accent-500), var(--sh-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  flex:0 0 auto;
  width:14px;height:14px;
  background-image:
    linear-gradient(var(--brand-500), var(--brand-500)),
    linear-gradient(var(--brand-500), var(--brand-500));
  background-position:center, center;
  background-size:14px 2px, 2px 14px;
  background-repeat:no-repeat;
  transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{
  padding:0 22px 22px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-600);
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:var(--bg-deep);
  color:#fff;
  padding:64px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(127,227,196,.32);
  box-shadow:0 0 0 52px rgba(127,227,196,.07), 0 0 0 104px rgba(127,227,196,.04);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;line-height:1.35;margin-bottom:10px;}
.cta-inner p{font-size:14.5px;color:#B8CFC8;max-width:480px;}
.cta-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.cta-contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:#B8CFC8;}
.cta-contact li{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.cta-contact li::before{
  content:"";
  width:6px;height:6px;
  background:var(--brand-300);
  display:inline-block;
  clip-path:polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand span{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand strong{font-size:16.5px;color:var(--ink-900);}
.footer-brand em{font-style:normal;font-size:11.5px;color:var(--brand-700);letter-spacing:.06em;}
.footer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-700);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links li{font-size:14px;color:var(--ink-600);line-height:1.7;}
.footer-links a{color:var(--ink-600);transition:color .22s ease;}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:#8C9B97;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:55;
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta a{
  display:inline-flex;align-items:center;gap:10px;
  min-height:50px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--brand-500);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:0 14px 30px -12px rgba(11,107,90,.85);
  transition:transform .24s ease,background-color .24s ease;
}
.float-cta a:hover{background:var(--brand-700);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .mat-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .container{padding:0 24px;}
  .cat-layout{grid-template-columns:1fr;gap:28px;}
  .side-nav{position:static;top:auto;}
  .cat-hero-inner{grid-template-columns:1fr;gap:24px;}
  .cat-hero::after{opacity:.5;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .site-header{padding:10px 14px 0;}
  .dock{
    min-height:56px;
    padding:6px 10px 6px 12px;
    gap:8px;
  }
  .dock-cta,.icon-btn:not(.burger){display:none;}
  .brand-text strong{font-size:15.5px;}
  .brand-text em{font-size:10.5px;}
  .cat-hero{margin-top:14px;min-height:auto;}
  .cat-hero-inner{padding-top:28px;padding-bottom:28px;}
  .hero-title{font-size:26px;}
  .hero-lead{font-size:14.5px;}
  .cat-main{padding:52px 0 64px;}
  .flow-section,.faq-section{padding:56px 0;}
  .mat-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:22px;}
  .float-cta{right:0;left:0;bottom:0;}
  .float-cta a{
    display:flex;
    justify-content:center;
    width:100%;
    border-radius:0;
    padding:15px 20px calc(15px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 24px -14px rgba(12,22,20,.6);
  }
  .float-cta a:hover{transform:none;}
  .container{padding:0 20px;}
}
@media (max-width:519px){
  .hero-title{font-size:23px;}
  .grid-head h2{font-size:20px;}
  .section-title{font-size:20px;}
  .faq-item summary{font-size:15px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;padding-top:16px;}
}

/* roulang page: category2 */
:root{
  --brand-700:#0B6B5A;
  --brand-500:#12A17E;
  --brand-300:#7FE3C4;
  --accent-500:#FF6A2B;
  --accent-100:#FFE6DA;
  --ink-900:#0C1614;
  --ink-600:#4A5A56;
  --line:#E3EAE7;
  --bg:#FFFFFF;
  --bg-soft:#F5F9F7;
  --bg-deep:#0C1614;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(12,22,20,.06);
  --sh-2:0 12px 32px -12px rgba(12,22,20,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand-700);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:700;}

/* ---------- 容器与板块 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:100px 0;}}
.section-soft{background:var(--bg-soft);}
.section-deep{background:var(--bg-deep);color:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-700);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);border-radius:2px;}
.sec-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px;}
.sec-title{position:relative;padding-left:16px;font-size:24px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.sec-title::before{content:"";position:absolute;left:0;top:.24em;width:6px;height:1.08em;border-radius:3px;background:var(--brand-500);}
@media (min-width:1024px){.sec-title{font-size:30px;}}
.sec-sub{margin-top:10px;color:var(--ink-600);font-size:15px;max-width:640px;}
.section-deep .sec-title::before{background:var(--brand-300);}
.section-deep .sec-sub{color:rgba(255,255,255,.7);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-700);border-bottom:2px solid transparent;padding-bottom:2px;transition:.25s;}
.link-more:hover{border-color:var(--accent-500);color:var(--brand-500);}
.grid-sep{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 16px 0;}
.dock{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  max-width:1080px;margin:0 auto;padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand-700);color:var(--brand-300);}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-600);letter-spacing:.06em;}
.dock-nav{display:flex;align-items:center;gap:2px;}
.dock-link{position:relative;display:inline-block;padding:8px 12px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-600);transition:.22s;}
.dock-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .25s;border-radius:2px;}
.dock-link:hover{color:var(--ink-900);}
.dock-link:hover::after{transform:scaleX(1);}
.dock-link.is-active{background:var(--brand-300);color:var(--brand-700);font-weight:700;}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-900);transition:.22s;}
.icon-btn:hover{background:var(--bg-soft);color:var(--brand-700);border-color:var(--brand-300);}
.dock-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;background:var(--brand-500);color:#fff;font-size:14px;font-weight:700;transition:.25s;white-space:nowrap;}
.dock-cta:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.dock-cta:active{transform:translateY(0);}
.burger{display:none;}
.dock-drawer{display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-2);padding:14px;z-index:90;}
.dock-drawer.open{display:block;}
.drawer-list li+li{border-top:1px solid var(--line);}
.drawer-link{display:flex;align-items:center;gap:12px;padding:14px 6px;font-size:15px;font-weight:500;color:var(--ink-900);}
.drawer-link span{font-size:12px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;}
.drawer-link.is-active{color:var(--brand-700);font-weight:700;}
.drawer-cta{margin-top:12px;display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:999px;background:var(--brand-500);color:#fff;font-weight:700;}
@media (max-width:1023px){
  .dock{padding:8px 10px 8px 12px;}
  .dock-nav{display:none;}
  .icon-btn.search{display:none;}
  .dock-cta{display:none;}
  .burger{display:grid;}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .25s,background .25s,box-shadow .25s,border-color .25s;cursor:pointer;}
.btn-primary{background:var(--brand-500);color:#fff;}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:#E85A1F;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand-300);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:var(--brand-300);transform:translateY(-2px);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--brand-300);color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.02em;}
.badge-hot{background:var(--accent-500);color:#fff;}
.badge-soft{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-600);}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-600);font-size:12px;}

/* ---------- 分类页 Hero（分类页2 专用全宽深色） ---------- */
.cat-hero{position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;min-height:280px;display:flex;align-items:center;padding:56px 0;}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.38;}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(12,22,20,.95) 8%,rgba(12,22,20,.72) 58%,rgba(11,107,90,.72) 100%);}
.cat-hero .wrap{position:relative;z-index:2;text-align:center;}
.cat-hero .gridline{position:absolute;inset:0;z-index:1;opacity:.16;background-image:linear-gradient(to right,rgba(127,227,196,.6) 1px,transparent 1px),linear-gradient(to bottom,rgba(127,227,196,.6) 1px,transparent 1px);background-size:72px 72px;}
.hero-arc{position:absolute;right:-60px;top:50%;transform:translateY(-50%);z-index:1;opacity:.32;pointer-events:none;}
.crumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{transition:.2s;}
.crumb a:hover{color:var(--brand-300);}
.crumb .now{color:#fff;font-weight:600;}
.cat-hero h1{font-size:30px;line-height:1.24;font-weight:700;letter-spacing:-.01em;}
@media (min-width:1024px){.cat-hero h1{font-size:46px;}}
.cat-hero h1 em{font-style:normal;color:var(--brand-300);}
.hero-lead{margin:16px auto 0;max-width:640px;font-size:15px;color:rgba(255,255,255,.82);}
@media (min-width:1024px){.hero-lead{font-size:17px;}}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;justify-content:center;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stat{text-align:center;}
.hero-stat b{display:block;font-size:32px;line-height:1.1;color:#fff;}
@media (min-width:1024px){.hero-stat b{font-size:40px;}}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- 分组筛选（数字方块） ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px;}
.pager{display:flex;flex-wrap:wrap;gap:8px;}
.pager button{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-600);font-weight:600;font-size:14px;transition:.22s;}
.pager button i{font-style:normal;font-size:12px;font-variant-numeric:tabular-nums;color:var(--brand-500);font-weight:700;}
.pager button:hover{border-color:var(--brand-300);color:var(--ink-900);background:var(--bg-soft);}
.pager button.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;}
.pager button.active i{color:rgba(255,255,255,.85);}
.filter-note{font-size:13px;color:var(--ink-600);}

/* ---------- 器材卡片网格 ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cat-grid{grid-template-columns:repeat(3,1fr);}}
.ecard{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s;}
.ecard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.ecard-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
.ecard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.ecard:hover .ecard-media img{transform:scale(1.04);}
.ecard-idx{position:absolute;left:14px;top:14px;height:26px;padding:0 10px;display:inline-flex;align-items:center;border-radius:8px;background:rgba(12,22,20,.72);color:#fff;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;}
.ecard-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.ecard-body h3{font-size:19px;font-weight:700;line-height:1.4;}
.ecard-body p{color:var(--ink-600);font-size:14px;line-height:1.8;}
.ecard-tags{display:flex;flex-wrap:wrap;gap:8px;}
.ecard-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ecard-foot .cycle{font-size:13px;color:var(--ink-600);}
.ecard-foot .cycle b{color:var(--brand-700);font-variant-numeric:tabular-nums;}
.ecard.is-hidden{display:none;}
.grid-empty{display:none;text-align:center;padding:48px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;}
.grid-empty.show{display:block;}
.grid-empty .ico{width:44px;height:44px;margin:0 auto 12px;color:var(--brand-500);}
.grid-empty p{color:var(--ink-600);font-size:14px;margin-bottom:16px;}

/* ---------- 图文说明块（错位叠图） ---------- */
.stack-images{position:relative;padding:0 46px 52px 0;}
.stack-images .s1{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);background:var(--bg-soft);}
.stack-images .s2{position:absolute;right:0;bottom:0;width:54%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:6px solid var(--bg-soft);box-shadow:var(--sh-2);background:var(--bg-soft);}
.stack-images .badge-float{position:absolute;left:0;bottom:26px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);padding:10px 14px;display:flex;align-items:center;gap:10px;}
.stack-images .badge-float b{font-size:20px;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.stack-images .badge-float span{font-size:12px;color:var(--ink-600);}
.spec-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);}
.spec-list li:last-child{border-bottom:0;}
.spec-list .dot{flex:none;width:8px;height:8px;margin-top:9px;background:var(--brand-500);border-radius:2px;}
.spec-list strong{display:block;font-size:15px;font-weight:700;}
.spec-list p{font-size:14px;color:var(--ink-600);}

/* ---------- 流程刻度 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.flow{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(5,1fr);}}
.flow-step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);}
.flow-step::before{content:"";position:absolute;left:20px;top:0;width:36px;height:4px;background:var(--brand-500);border-radius:0 0 4px 4px;}
.flow-step b{display:block;font-size:22px;color:var(--brand-700);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.flow-step h3{margin-top:8px;font-size:16px;font-weight:700;}
.flow-step p{margin-top:8px;font-size:13.5px;color:var(--ink-600);line-height:1.75;}

/* ---------- 两列要点 ---------- */
.point-cols{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.point-cols{grid-template-columns:repeat(2,1fr);}}
.point-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px 26px;}
.point-card h3{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;}
.point-card h3 .k{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-100);color:#B23A0C;font-size:12px;font-weight:700;}
.point-card ul{margin-top:16px;}
.point-card li{display:flex;gap:12px;padding:13px 12px 13px 14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-600);line-height:1.8;border-left:2px solid transparent;transition:.22s;}
.point-card li:hover{background:var(--bg-soft);border-left-color:var(--brand-500);}
.point-card li .sq{flex:none;width:7px;height:7px;margin-top:10px;background:var(--brand-500);border-radius:1px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.faq-layout{grid-template-columns:360px 1fr;gap:56px;}}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{position:relative;list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 8px 22px 16px;font-size:16px;font-weight:700;transition:.22s;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;background:var(--accent-500);transform:scaleY(0);transform-origin:top;transition:transform .28s;}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item .ind{position:relative;flex:none;width:16px;height:16px;margin-top:6px;}
.faq-item .ind::before,.faq-item .ind::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px;transition:.28s;}
.faq-item .ind::before{left:0;right:0;top:7px;height:2px;}
.faq-item .ind::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item[open] .ind::after{transform:rotate(90deg);opacity:0;}
.faq-answer{padding:0 8px 24px 16px;color:var(--ink-600);font-size:15px;line-height:1.85;max-width:720px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;padding:56px 0;}
@media (min-width:1024px){.cta-band{padding:76px 0;}}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.2;}
.cta-band .wrap{position:relative;z-index:2;}
.cta-arc{position:absolute;right:-40px;bottom:-80px;z-index:1;opacity:.34;pointer-events:none;}
.cta-flex{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-flex h2{font-size:24px;line-height:1.35;font-weight:700;max-width:640px;}
@media (min-width:1024px){.cta-flex h2{font-size:30px;}}
.cta-contact{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.78);}
.cta-contact span{display:inline-flex;align-items:center;gap:8px;}
.cta-contact b{color:var(--brand-300);font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{background:#08110F;color:rgba(255,255,255,.76);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(127,227,196,.14);color:var(--brand-300);}
.footer-brand strong{display:block;color:#fff;font-size:16px;}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--brand-300);}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links li{font-size:14px;line-height:2;}
.footer-links a{transition:.2s;}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;background:var(--brand-500);color:#fff;font-weight:700;font-size:15px;box-shadow:var(--sh-2);opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .3s,transform .3s,background .25s;}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-700);}
@media (max-width:639px){
  .float-cta{left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:14px 20px;padding-bottom:calc(14px + env(safe-area-inset-bottom));min-height:56px;}
  .float-cta.show{transform:translateY(0);}
}