/* roulang page: index */
:root{
    --ink:#0C1B14;
    --lime:#C8F135;
    --ember:#FF6A3D;
    --bg:#F6F7F2;
    --surface:#FFFFFF;
    --surface-alt:#EDF1E6;
    --line:#E1E7DA;
    --text:#101713;
    --text-muted:#5C6A60;
    --radius-card:16px;
    --radius-img:12px;
    --radius-badge:6px;
    --shadow-1:0 1px 2px rgba(12,27,20,.04), 0 8px 24px -12px rgba(12,27,20,.18);
    --shadow-2:0 2px 4px rgba(12,27,20,.06), 0 18px 40px -16px rgba(12,27,20,.28);
    --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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.9;
    letter-spacing:.005em;
    overflow-x:hidden;
  }
  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{ font:inherit; }
  ::selection{ background:var(--lime); color:var(--ink); }
  :focus-visible{ outline:2px solid var(--lime); outline-offset:2px; border-radius:6px; }
  .num{ font-variant-numeric:tabular-nums; }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  .section{ padding:84px 0; }
  .section-tight{ padding:56px 0; }

  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:12.5px; font-weight:700; letter-spacing:.14em;
    color:var(--text-muted); text-transform:uppercase;
  }
  .eyebrow::before{
    content:""; width:22px; height:1px; background:var(--ember);
  }
  h1,h2,h3,h4{ margin:0; color:var(--text); }
  .h1{
    font-size:clamp(32px,5vw,56px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.02em;
  }
  .h2{
    font-size:clamp(24px,3.2vw,36px);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.015em;
  }
  .h3{ font-size:20px; font-weight:700; line-height:1.4; }
  .lead{
    font-size:16px;
    line-height:1.9;
    color:var(--text-muted);
    max-width:760px;
  }
  .muted{ color:var(--text-muted); }
  .small{ font-size:12.5px; }
  .divider{ height:1px; background:var(--line); border:0; margin:0; }

  /* ---------- Dock 导航 ---------- */
  .dock-wrap{
    position:fixed; top:16px; left:0; right:0; z-index:80;
    padding:0 20px;
    pointer-events:none;
  }
  .dock{
    pointer-events:auto;
    max-width:1152px; margin:0 auto;
    height:64px;
    display:flex; align-items:center; justify-content:space-between; gap:14px;
    padding:0 10px 0 12px;
    border-radius:999px;
    background:rgba(255,255,255,.82);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .brand{ display:flex; align-items:center; gap:10px; min-width:0; }
  .brand-mark{
    width:32px; height:32px; flex:0 0 32px;
    display:grid; place-items:center;
    background:var(--lime); color:var(--ink);
    border-radius:9px;
    font-weight:800; font-size:15px;
    clip-path:polygon(0 0,100% 0,100% 76%,76% 100%,0 100%);
  }
  .brand-text{ display:flex; flex-direction:column; line-height:1.2; min-width:0; }
  .brand-name{
    font-size:15px; font-weight:800; letter-spacing:-.01em;
    white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  }
  .brand-sub{ font-size:10.5px; color:var(--text-muted); letter-spacing:.06em; }

  .dock-nav{ display:flex; align-items:center; gap:4px; }
  .nav-link{
    position:relative;
    display:inline-flex; align-items:center;
    min-height:44px; padding:0 14px;
    font-size:14.5px; font-weight:600;
    color:var(--text-muted);
    border-radius:999px;
    transition:color .2s var(--ease), background .2s var(--ease);
  }
  .nav-link::after{
    content:""; position:absolute; left:14px; right:14px; bottom:10px;
    height:2px; background:var(--lime);
    transform:scaleX(0); transform-origin:left;
    transition:transform .25s var(--ease);
  }
  .nav-link:hover{ color:var(--text); background:rgba(200,241,53,.14); }
  .nav-link:hover::after{ transform:scaleX(1); }
  .nav-link.active{ color:var(--ink); font-weight:800; }
  .nav-link.active::before{
    content:""; position:absolute; left:5px; top:50%; margin-top:-3px;
    width:6px; height:6px; border-radius:50%; background:var(--ink);
  }
  .nav-link.active::after{ transform:scaleX(1); }

  .dock-actions{ display:flex; align-items:center; gap:8px; }
  .icon-btn{
    width:44px; height:44px; border-radius:999px;
    display:grid; place-items:center;
    color:var(--text-muted);
    border:1px solid transparent;
    transition:all .2s var(--ease);
  }
  .icon-btn:hover{ color:var(--ink); border-color:var(--line); background:var(--surface); }
  .menu-btn{ display:none; width:44px; height:44px; border-radius:999px; place-items:center; color:var(--ink); }
  .menu-btn:hover{ background:var(--surface-alt); }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:48px; padding:0 26px;
    border-radius:999px;
    font-size:15px; font-weight:700;
    letter-spacing:.01em;
    transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    white-space:nowrap;
  }
  .btn-sm{ min-height:42px; padding:0 20px; font-size:14px; }
  .btn-primary{
    background:var(--lime); color:var(--ink);
    box-shadow:0 1px 2px rgba(12,27,20,.06), 0 10px 22px -14px rgba(12,27,20,.45);
  }
  .btn-primary:hover{ background:#d5fa4a; transform:translateY(1px); }
  .btn-primary:active{ background:#b9e028; }
  .btn-ghost{
    background:transparent; color:var(--ink);
    border:1.5px solid var(--ink);
  }
  .btn-ghost:hover{ background:var(--ink); color:#fff; }
  .btn-ink{
    background:var(--ink); color:#fff;
  }
  .btn-ink:hover{ background:#132b20; transform:translateY(1px); }
  .link-cta{
    font-weight:800; color:var(--ink);
    border-bottom:3px solid var(--lime);
    padding-bottom:1px;
    transition:border-color .2s var(--ease), color .2s var(--ease);
  }
  .link-cta:hover{ border-color:var(--ember); color:var(--ember); }

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex; align-items:center; gap:6px;
    padding:4px 10px;
    border-radius:var(--radius-badge);
    font-size:12.5px; font-weight:700; line-height:1.6;
  }
  .badge-ember{ background:rgba(255,106,61,.10); color:var(--ember); }
  .badge-lime{ background:rgba(200,241,53,.28); color:var(--ink); }
  .badge-line{ background:var(--surface-alt); color:var(--text-muted); }
  .dot{
    width:7px; height:7px; border-radius:50%; background:var(--lime);
    box-shadow:0 0 0 4px rgba(200,241,53,.25);
  }

  /* ---------- Hero ---------- */
  .hero{ padding:148px 0 64px; }
  .hero-grid{
    display:grid; grid-template-columns:7fr 5fr; gap:56px; align-items:center;
  }
  .hero-title{ margin:18px 0 20px; }
  .hero-title .accent{
    background:linear-gradient(transparent 62%, rgba(200,241,53,.85) 62%);
    padding:0 2px;
  }
  .hero-sub{ font-size:16.5px; line-height:1.95; color:var(--text-muted); max-width:640px; }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
  .hero-stats{
    display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px; margin-top:44px; padding-top:26px;
    border-top:1px solid var(--line);
  }
  .stat-num{ font-size:26px; font-weight:800; letter-spacing:-.02em; font-variant-numeric:tabular-nums; }
  .stat-label{ font-size:12.5px; color:var(--text-muted); letter-spacing:.04em; }

  .hero-visual{ position:relative; }
  .hero-photo{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow-2);
    aspect-ratio:4/5;
  }
  .hero-photo img{ width:100%; height:100%; object-fit:cover; }
  .hero-photo::after{
    content:""; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(12,27,20,.18) 0%, rgba(12,27,20,.62) 100%);
  }
  .hero-photo-cap{
    position:absolute; left:20px; right:20px; bottom:20px; z-index:2;
    color:#fff; font-size:13px; line-height:1.7;
  }
  .hero-float{
    position:absolute; left:-26px; bottom:-26px; z-index:3;
    width:240px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:16px;
    box-shadow:var(--shadow-2);
    clip-path:polygon(0 0,100% 0,100% 84%,88% 100%,0 100%);
  }
  .hero-float img{ width:100%; height:84px; object-fit:cover; border-radius:12px; }
  .hero-float h4{ font-size:14px; font-weight:800; margin-top:12px; }
  .hero-float p{ font-size:12.5px; color:var(--text-muted); line-height:1.7; margin:6px 0 0; }
  .hero-tag{
    position:absolute; top:18px; left:18px; z-index:3;
    background:rgba(200,241,53,.94); color:var(--ink);
    border-radius:999px; padding:6px 14px;
    font-size:12.5px; font-weight:800;
  }

  /* ---------- 卖点错位条 ---------- */
  .features-grid{
    display:grid; grid-template-columns:repeat(12,minmax(0,1fr));
    gap:24px; margin-top:48px;
  }
  .feature{
    position:relative;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:30px 28px;
    box-shadow:var(--shadow-1);
    transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  }
  .feature:hover{ transform:translateY(-2px); border-color:rgba(12,27,20,.22); box-shadow:var(--shadow-2); }
  .feature-a{ grid-column:span 7; }
  .feature-b{ grid-column:span 5; background:var(--ink); border-color:var(--ink); color:#fff; margin-top:-16px; }
  .feature-b h3{ color:#fff; }
  .feature-b p{ color:rgba(255,255,255,.72); }
  .feature-c{ grid-column:6 / span 7; }
  .feature-num{
    font-size:44px; font-weight:800; line-height:1;
    color:transparent;
    -webkit-text-stroke:1.5px var(--line);
    font-variant-numeric:tabular-nums;
    display:block; margin-bottom:14px;
  }
  .feature-b .feature-num{ -webkit-text-stroke:1.5px rgba(200,241,53,.6); }
  .feature-icon{
    width:38px; height:38px; border-radius:10px;
    background:rgba(200,241,53,.28); color:var(--ink);
    display:grid; place-items:center; margin-bottom:16px;
  }
  .feature-b .feature-icon{ background:var(--lime); color:var(--ink); }
  .feature h3{ margin-bottom:10px; }
  .feature p{ font-size:14px; line-height:1.85; color:var(--text-muted); margin:0; }

  /* ---------- 场景演示 ---------- */
  .demo{ background:var(--surface-alt); }
  .demo-grid{
    display:grid; grid-template-columns:4fr 8fr; gap:44px; align-items:start; margin-top:44px;
  }
  .step-list{ display:flex; flex-direction:column; gap:10px; }
  .step-btn{
    display:flex; gap:16px; align-items:flex-start;
    width:100%; text-align:left;
    padding:18px 20px;
    background:var(--surface);
    border:1px solid var(--line);
    border-left:3px solid transparent;
    border-radius:14px;
    transition:all .22s var(--ease);
  }
  .step-btn:hover{ border-color:rgba(12,27,20,.2); }
  .step-btn.active{ border-left-color:var(--lime); background:var(--surface); box-shadow:var(--shadow-1); }
  .step-btn .idx{
    font-size:20px; font-weight:800; color:var(--text-muted);
    font-variant-numeric:tabular-nums; line-height:1.4;
  }
  .step-btn.active .idx{ color:var(--ink); }
  .step-btn h4{ font-size:15.5px; font-weight:800; }
  .step-btn p{ font-size:13px; color:var(--text-muted); line-height:1.7; margin:4px 0 0; }
  .demo-stage{ position:relative; }
  .demo-stage img{ width:100%; height:420px; object-fit:cover; border-radius:var(--radius-img); }
  .demo-card{
    position:absolute; right:-18px; bottom:-22px;
    width:280px; background:var(--surface);
    border:1px solid var(--line); border-radius:var(--radius-card);
    padding:20px; box-shadow:var(--shadow-2);
  }
  .demo-card h4{ font-size:15px; font-weight:800; margin-bottom:8px; }
  .demo-card p{ font-size:13px; line-height:1.75; color:var(--text-muted); margin:0; }
  .demo-panel{ display:none; }
  .demo-panel.active{ display:block; animation:fade .35s ease; }
  @keyframes fade{ from{ opacity:0; transform:translateY(6px); } to{ opacity:1; transform:none; } }

  /* ---------- 最新信息 ---------- */
  .news-head{
    display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap;
  }
  .news-grid{
    display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px; margin-top:44px;
  }
  .news-card{
    display:flex; flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  }
  .news-card:hover{ transform:translateY(-2px); border-color:rgba(12,27,20,.22); box-shadow:var(--shadow-2); }
  .news-card:hover h3{ color:var(--ember); }
  .news-cover{ position:relative; height:170px; overflow:hidden; }
  .news-cover img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
  .news-card:hover .news-cover img{ transform:scale(1.03); }
  .news-body{ padding:22px; display:flex; flex-direction:column; gap:10px; flex:1; }
  .news-body h3{
    font-size:17px; font-weight:700; line-height:1.5;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
    transition:color .2s var(--ease);
  }
  .news-body p{
    font-size:14px; line-height:1.75; color:var(--text-muted); margin:0;
    display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
  }
  .news-meta{
    margin-top:auto; padding-top:14px; border-top:1px solid var(--line);
    font-size:12.5px; color:var(--text-muted);
    display:flex; align-items:center; justify-content:space-between; gap:10px;
  }
  .news-feature{ grid-column:span 2; grid-row:span 2; }
  .news-feature .news-cover{ height:280px; }
  .news-feature .news-body h3{ font-size:22px; -webkit-line-clamp:3; }
  .news-feature .news-body p{ font-size:14.5px; -webkit-line-clamp:4; }
  .empty-state{
    grid-column:1 / -1;
    min-height:200px;
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px;
    border:1px dashed var(--line); border-radius:var(--radius-card);
    color:var(--text-muted); font-size:14px; text-align:center;
    background:var(--surface);
  }

  /* ---------- 社会认同 ---------- */
  .trust{ background:var(--ink); color:#fff; }
  .trust .h2{ color:#fff; }
  .trust .eyebrow{ color:rgba(255,255,255,.6); }
  .trust .eyebrow::before{ background:var(--lime); }
  .trust-grid{
    display:grid; grid-template-columns:repeat(4,minmax(0,1fr));
    gap:28px; margin-top:48px;
  }
  .trust-item{ padding-top:22px; border-top:1px solid rgba(255,255,255,.16); }
  .trust-item .num-big{
    font-size:clamp(30px,4vw,44px); font-weight:800; letter-spacing:-.02em;
    color:var(--lime); font-variant-numeric:tabular-nums;
  }
  .trust-item h4{ color:#fff; font-size:15px; font-weight:700; margin:10px 0 6px; }
  .trust-item p{ color:rgba(255,255,255,.66); font-size:13.5px; line-height:1.8; margin:0; }
  .trust-note{
    margin-top:44px; padding:24px 26px;
    border:1px solid rgba(255,255,255,.16);
    border-radius:var(--radius-card);
    display:flex; gap:20px; align-items:flex-start;
  }
  .trust-note p{ margin:0; font-size:14.5px; line-height:1.9; color:rgba(255,255,255,.82); }

  /* ---------- FAQ ---------- */
  .faq-list{ display:flex; flex-direction:column; gap:14px; margin-top:44px; max-width:900px; }
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .faq-item[open]{ border-color:rgba(12,27,20,.2); box-shadow:var(--shadow-1); }
  .faq-item summary{
    list-style:none;
    display:flex; align-items:center; justify-content:space-between; gap:18px;
    padding:20px 24px;
    font-size:17px; font-weight:700;
    cursor:pointer;
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::before{
    content:""; position:absolute; left:0; top:14px; bottom:14px;
    width:3px; background:var(--lime);
    transform:scaleY(0); transform-origin:center;
    transition:transform .25s var(--ease);
  }
  .faq-item[open] summary::before{ transform:scaleY(1); }
  .faq-sign{
    flex:0 0 auto; width:26px; height:26px; border-radius:50%;
    display:grid; place-items:center;
    background:var(--surface-alt); color:var(--ink);
    font-size:16px; font-weight:700; line-height:1;
    transition:transform .3s var(--ease), background .25s var(--ease);
  }
  .faq-item[open] .faq-sign{ transform:rotate(180deg); background:var(--lime); }
  .faq-answer{ padding:0 24px 22px 24px; }
  .faq-answer p{
    margin:0; font-size:15px; line-height:1.85; color:var(--text-muted); max-width:720px;
  }

  /* ---------- 底部 CTA ---------- */
  .cta-block{
    background:var(--surface-alt);
    border:1px solid var(--line);
    border-radius:24px;
    padding:56px 48px;
    display:grid; grid-template-columns:8fr 4fr; gap:40px; align-items:center;
  }
  .cta-block h2{ font-size:clamp(24px,3.4vw,38px); font-weight:800; letter-spacing:-.02em; line-height:1.22; }
  .cta-block p{ margin:16px 0 0; color:var(--text-muted); font-size:15.5px; line-height:1.9; max-width:620px; }
  .cta-actions{ display:flex; flex-direction:column; gap:12px; align-items:stretch; }

  /* ---------- 页脚 ---------- */
  .footer{ background:var(--ink); color:#fff; padding:70px 0 0; }
  .footer-top{ border-top:1px solid rgba(255,255,255,.14); padding-top:52px; }
  .footer-grid{
    display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px;
  }
  .footer .brand-mark{ background:var(--lime); }
  .footer .brand-name{ color:#fff; }
  .footer .brand-sub{ color:rgba(255,255,255,.55); }
  .footer p{ color:rgba(255,255,255,.66); font-size:13.5px; line-height:1.9; }
  .footer h4{
    color:#fff; font-size:13px; font-weight:800; letter-spacing:.14em;
    text-transform:uppercase; margin-bottom:18px;
  }
  .footer h4::after{
    content:""; display:block; width:24px; height:2px; background:var(--lime); margin-top:10px;
  }
  .footer-links{ display:flex; flex-direction:column; gap:12px; }
  .footer-links a{
    color:rgba(255,255,255,.7); font-size:14px;
    transition:color .2s var(--ease), transform .2s var(--ease);
  }
  .footer-links a:hover{ color:var(--lime); transform:translateX(3px); }
  .footer-bottom{
    margin-top:56px; padding:22px 0 26px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
    font-size:12.5px; color:rgba(255,255,255,.55);
  }

  /* ---------- 底部固定转化条 ---------- */
  .cta-bar{
    position:fixed; left:50%; bottom:24px; z-index:90;
    transform:translateX(-50%) translateY(150%);
    display:flex; align-items:center; gap:18px;
    background:var(--ink); color:#fff;
    border-radius:999px;
    padding:10px 12px 10px 24px;
    box-shadow:var(--shadow-2);
    opacity:0; visibility:hidden;
    transition:transform .38s var(--ease), opacity .3s var(--ease), visibility .3s;
    max-width:calc(100% - 32px);
  }
  .cta-bar.show{ transform:translateX(-50%) translateY(0); opacity:1; visibility:visible; }
  .cta-bar-text{ font-size:14px; font-weight:600; white-space:nowrap; }
  .cta-bar-close{
    width:34px; height:34px; border-radius:999px;
    display:grid; place-items:center;
    color:rgba(255,255,255,.7); font-size:14px;
    transition:background .2s var(--ease), color .2s var(--ease);
  }
  .cta-bar-close:hover{ background:rgba(255,255,255,.12); color:#fff; }

  /* ---------- 移动端抽屉 ---------- */
  .drawer{
    position:fixed; inset:0; z-index:100;
    background:var(--ink); color:#fff;
    padding:26px 24px calc(26px + env(safe-area-inset-bottom));
    display:flex; flex-direction:column;
    transform:translateY(-100%);
    transition:transform .38s var(--ease);
    visibility:hidden;
  }
  .drawer.open{ transform:translateY(0); visibility:visible; }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; }
  .drawer-close{
    width:44px; height:44px; border-radius:999px;
    display:grid; place-items:center;
    background:rgba(255,255,255,.1); color:#fff; font-size:16px;
  }
  .drawer-nav{ display:flex; flex-direction:column; gap:6px; margin-top:44px; }
  .drawer-nav a{
    font-size:24px; font-weight:800; letter-spacing:-.01em;
    padding:16px 0;
    border-bottom:1px solid rgba(255,255,255,.14);
    color:#fff;
    transition:color .2s var(--ease), padding-left .2s var(--ease);
  }
  .drawer-nav a:hover{ color:var(--lime); padding-left:6px; }
  .drawer-nav a.active{ color:var(--lime); }
  .drawer-foot{ margin-top:auto; display:flex; flex-direction:column; gap:12px; }
  .drawer-note{ font-size:12.5px; color:rgba(255,255,255,.55); line-height:1.8; }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .hero{ padding:132px 0 52px; }
    .hero-grid{ grid-template-columns:1fr; gap:44px; }
    .hero-visual{ max-width:520px; }
    .hero-float{ left:0; }
    .feature-a,.feature-b,.feature-c{ grid-column:span 12; margin-top:0; }
    .demo-grid{ grid-template-columns:1fr; gap:36px; }
    .demo-stage img{ height:360px; }
    .news-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
    .news-feature{ grid-column:span 2; grid-row:auto; }
    .trust-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
    .cta-block{ grid-template-columns:1fr; padding:44px 32px; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:34px; }
  }
  @media (max-width:767px){
    .section{ padding:64px 0; }
    .dock-nav,.dock-actions .btn{ display:none; }
    .menu-btn{ display:grid; }
    .brand-sub{ display:none; }
    .hero-stats{ grid-template-columns:1fr 1fr; gap:16px; }
    .hero-float{ position:static; width:100%; margin-top:16px; clip-path:none; }
    .hero-photo{ aspect-ratio:16/11; }
    .news-grid{ grid-template-columns:1fr; }
    .news-feature{ grid-column:span 1; }
    .trust-grid{ grid-template-columns:1fr; gap:22px; }
    .cta-block{ padding:36px 22px; border-radius:20px; }
    .faq-item summary{ padding:18px 18px; font-size:15.5px; }
    .faq-answer{ padding:0 18px 18px 18px; }
    .footer-bottom{ flex-direction:column; align-items:flex-start; }
    .cta-bar{
      left:0; right:0; bottom:0; max-width:none;
      transform:translateY(150%);
      border-radius:16px 16px 0 0;
      padding:10px 14px calc(10px + env(safe-area-inset-bottom));
      justify-content:space-between;
      gap:12px;
    }
    .cta-bar.show{ transform:translateY(0); }
    .cta-bar-text{ font-size:13px; white-space:normal; }
  }
  @media (max-width:520px){
    .container{ padding:0 16px; }
    .dock-wrap{ padding:0 12px; top:10px; }
    .dock{ height:58px; padding:0 8px 0 10px; }
    .hero{ padding:114px 0 44px; }
    .hero-actions{ flex-direction:column; align-items:stretch; }
    .hero-actions .btn{ width:100%; }
    .footer-grid{ grid-template-columns:1fr; }
    .demo-stage img{ height:250px; }
    .demo-card{ position:static; width:100%; margin-top:16px; }
  }

/* roulang page: article */
:root{
  --ink:#0C1B14;
  --lime:#C8F135;
  --ember:#FF6A3D;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --surface-alt:#EDF1E6;
  --line:#E1E7DA;
  --text:#101713;
  --text-muted:#5C6A60;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow:0 1px 2px rgba(12,27,20,.04), 0 8px 24px -12px rgba(12,27,20,.18);
  --shadow-hover:0 2px 4px rgba(12,27,20,.06), 0 16px 34px -14px rgba(12,27,20,.26);
}
*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:0 20px;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:10px;
  padding:0 12px 0 14px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:16px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-name{font-size:14.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-sub{font-size:10.5px;color:var(--text-muted);letter-spacing:.02em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;font-size:14px;color:var(--text-muted);
  border-radius:999px;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border:1px solid transparent;background:transparent;color:var(--text);
  border-radius:999px;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--surface-alt);border-color:var(--line);color:var(--ink);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;width:40px;height:40px;place-items:center;border:1px solid var(--line);background:var(--surface);border-radius:999px;cursor:pointer;}
.menu-btn:hover{border-color:var(--ink);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:999px;
  font-size:14.5px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 16px -8px rgba(12,27,20,.4);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(1px);}
.btn-primary:active{transform:translateY(2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:var(--lime);color:var(--ink);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:13.5px;}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
  border-bottom:3px solid var(--lime);padding-bottom:2px;transition:border-color .2s ease;
}
.link-cta:hover{border-color:var(--ember);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12.5px;font-weight:700;line-height:1.6;
}
.badge-ember{background:rgba(255,106,61,.1);color:#C2491F;}
.badge-lime{background:rgba(200,241,53,.22);color:var(--ink);}
.badge-line{background:var(--surface-alt);color:var(--text-muted);border:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:30px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--text-muted);}
.crumb a{color:var(--text-muted);transition:color .2s ease;}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:#B9C4B4;}
.crumb .now{color:var(--ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 0;}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:12.5px;color:var(--text-muted);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4CFBF;}
.hero-figure{margin-top:26px;border-radius:var(--radius-img);overflow:hidden;position:relative;border:1px solid var(--line);}
.hero-figure img{width:100%;height:clamp(200px,36vw,380px);object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 20px 14px;
  background:linear-gradient(to top,rgba(12,27,20,.72),rgba(12,27,20,0));
  color:rgba(255,255,255,.9);font-size:12.5px;
}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;padding:48px 0 0;align-items:start;}
.rule{height:1px;background:var(--line);margin:24px 0 0;}

/* ---------- 正文排版 ---------- */
.article-body{max-width:780px;font-size:16px;line-height:1.9;color:var(--text);overflow-wrap:break-word;word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:18px 0;}
.article-body h2{
  font-size:clamp(21px,2.6vw,26px);font-weight:700;line-height:1.35;letter-spacing:-.01em;
  margin:44px 0 16px;padding-left:14px;border-left:3px solid var(--lime);
}
.article-body h3{font-size:19px;font-weight:700;margin:30px 0 12px;line-height:1.5;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body strong{font-weight:800;}
.article-body a{color:var(--ink);font-weight:600;border-bottom:2px solid var(--lime);}
.article-body a:hover{border-color:var(--ember);}
.article-body ul,.article-body ol{margin:18px 0;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:22px;margin:10px 0;}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.72em;width:7px;height:7px;
  background:var(--lime);border-radius:2px;transform:rotate(45deg);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;position:relative;padding-left:36px;margin:12px 0;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:2px;
  font-size:13px;font-weight:800;color:var(--ember);letter-spacing:.02em;
}
.article-body blockquote{
  margin:24px 0;padding:14px 18px;background:var(--surface-alt);
  border-left:3px solid var(--lime);border-radius:0 var(--radius-badge) var(--radius-badge) 0;
  color:var(--text);font-size:15.5px;
}
.article-body blockquote p{margin:6px 0;}
.article-body img{border-radius:var(--radius-img);margin:22px 0 8px;width:100%;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:12.5px;color:var(--text-muted);margin-top:8px;text-align:center;}
.article-body .table-scroll{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius-img);background:var(--surface);}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body thead th{background:var(--surface-alt);font-weight:700;font-size:13.5px;color:var(--ink);}
.article-body tbody tr:nth-child(even){background:#FAFBF7;}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body code{
  background:var(--surface-alt);border-radius:6px;padding:2px 7px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#25402F;
}
.article-body pre{background:var(--ink);color:#E7F2DC;padding:18px;border-radius:var(--radius-img);overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow);}
.side-card h3{font-size:15px;font-weight:800;letter-spacing:.01em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);transform:rotate(45deg);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto;}
.toc-list a{
  display:block;padding:8px 10px;font-size:13.5px;color:var(--text-muted);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:all .2s ease;line-height:1.55;
}
.toc-list a:hover{color:var(--ink);background:var(--surface-alt);}
.toc-list a.on{color:var(--ink);font-weight:700;border-left-color:var(--lime);background:var(--surface-alt);}
.hot-list{display:flex;flex-direction:column;}
.hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.hot-item:last-child{border-bottom:none;padding-bottom:0;}
.hot-item img{width:64px;height:52px;object-fit:cover;border-radius:8px;flex:0 0 64px;}
.hot-item span{font-size:13.5px;font-weight:600;line-height:1.55;display:block;}
.hot-item:hover span{color:var(--ember);}
.hot-item .meta{font-size:11.5px;color:var(--text-muted);font-weight:400;margin-top:4px;display:block;}
.side-note{background:var(--ink);color:rgba(255,255,255,.82);border-radius:var(--radius-card);padding:24px;border:1px solid rgba(255,255,255,.08);}
.side-note h3{color:#fff;font-size:15px;font-weight:800;margin-bottom:10px;}
.side-note p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72);}
.side-note .btn{width:100%;margin-top:16px;}

/* ---------- 文末 ---------- */
.tail{margin-top:56px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--text-muted);margin-right:4px;}
.tag{
  padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-muted);transition:all .2s ease;
}
.tag:hover{border-color:var(--ink);color:var(--ink);}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.pager-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(12,27,20,.25);box-shadow:var(--shadow-hover);}
.pager-card .k{font-size:12px;color:var(--text-muted);letter-spacing:.06em;}
.pager-card .t{font-size:16px;font-weight:700;margin-top:8px;line-height:1.5;}
.pager-card.next{text-align:right;}
.section-title{font-size:clamp(20px,2.6vw,26px);font-weight:700;letter-spacing:-.01em;margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(12,27,20,.25);box-shadow:var(--shadow-hover);}
.post-card img{width:100%;height:164px;object-fit:cover;}
.post-card .pc-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;}
.post-card h3{font-size:16.5px;font-weight:700;line-height:1.5;}
.post-card p{font-size:13.5px;line-height:1.75;color:var(--text-muted);}
.post-card .pc-meta{margin-top:auto;font-size:12.5px;color:var(--text-muted);}
.back-row{margin-top:32px;}

/* ---------- CTA 区块 ---------- */
.cta-block{margin:80px 0 0;background:var(--ink);color:#fff;border-radius:24px;padding:clamp(30px,5vw,58px);position:relative;overflow:hidden;}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.28),rgba(200,241,53,0) 70%);
}
.cta-block h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.02em;max-width:18ch;}
.cta-block p{margin-top:16px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1;}
.cta-block .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-block .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--surface);
  padding:56px 24px;text-align:center;color:var(--text-muted);
}
.empty-state .ic{width:56px;height:56px;border-radius:50%;background:var(--surface-alt);display:grid;place-items:center;margin:0 auto 18px;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;}
.empty-state p{font-size:14px;line-height:1.8;max-width:44ch;margin:0 auto 22px;}

/* ---------- 页脚 ---------- */
.footer{margin-top:96px;background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 28px;}
.footer .brand-name{color:#fff;}
.footer .brand-sub{color:rgba(255,255,255,.55);}
.footer .brand-mark{background:var(--lime);color:var(--ink);}
.footer-top{border-top:1px solid rgba(255,255,255,.1);padding-top:44px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- 底部固定转化条 ---------- */
.convert-bar{
  position:fixed;left:50%;bottom:24px;transform:translate(-50%,140%);
  z-index:70;display:flex;align-items:center;gap:16px;
  background:var(--ink);color:#fff;border-radius:999px;
  padding:10px 12px 10px 24px;box-shadow:0 18px 40px -18px rgba(12,27,20,.7);
  transition:transform .35s cubic-bezier(.22,.61,.36,1);max-width:calc(100% - 40px);
}
.convert-bar.show{transform:translate(-50%,0);}
.convert-bar.hide{transform:translate(-50%,140%);}
.convert-bar .txt{font-size:13.5px;color:rgba(255,255,255,.82);white-space:nowrap;}
.convert-close{
  width:34px;height:34px;border-radius:50%;border:none;background:rgba(255,255,255,.12);
  color:#fff;cursor:pointer;display:grid;place-items:center;flex:0 0 34px;
}
.convert-close:hover{background:rgba(255,255,255,.22);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;background:var(--ink);display:none;flex-direction:column;padding:24px;}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .icon-btn{color:#fff;border-color:rgba(255,255,255,.2);}
.drawer-head .icon-btn:hover{background:rgba(255,255,255,.12);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:44px;}
.drawer-nav a{font-size:24px;font-weight:800;color:#fff;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.drawer-nav a:hover{color:var(--lime);}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .sidebar{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:899px){
  .dock-nav{display:none;}
  .menu-btn{display:grid;}
  .dock-actions .btn-primary{display:none;}
  .dock{height:60px;}
  .convert-bar{left:0;right:0;bottom:0;transform:translateY(140%);border-radius:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));justify-content:space-between;}
  .convert-bar.show{transform:translateY(0);}
  .convert-bar.hide{transform:translateY(140%);}
  .convert-bar .txt{white-space:normal;font-size:13px;}
}
@media (max-width:767px){
  .article-head h1{max-width:100%;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager-card.next{text-align:left;}
  .footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;}
  .crumb .now{white-space:normal;max-width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .dock-wrap{padding:0 16px;top:12px;}
  .brand-sub{display:none;}
  .article-body{font-size:15.5px;}
  .side-card{padding:18px;}
  .cta-block{border-radius:18px;}
}

/* roulang page: category1 */
:root{
    --ink:#0C1B14;
    --lime:#C8F135;
    --ember:#FF6A3D;
    --bg:#F6F7F2;
    --surface:#FFFFFF;
    --surface-alt:#EDF1E6;
    --line:#E1E7DA;
    --text:#101713;
    --text-muted:#5C6A60;
    --r-card:16px;
    --r-img:12px;
    --r-badge:6px;
    --shadow-soft:0 1px 2px rgba(12,27,20,.04), 0 8px 24px -12px rgba(12,27,20,.18);
    --shadow-hover:0 2px 4px rgba(12,27,20,.06), 0 18px 38px -18px rgba(12,27,20,.3);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  html body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  html img{max-width:100%;display:block;}
  html a{color:inherit;text-decoration:none;}
  html button{font-family:inherit;cursor:pointer;}
  h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px;}
  .num,.stat-num,.time{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

  /* ---------- Dock 导航 ---------- */
  .dock-wrap{position:sticky;top:14px;z-index:80;padding:0 16px;}
  .dock{
    max-width:1140px;margin:0 auto;height:64px;
    display:flex;align-items:center;gap:16px;
    padding:0 12px 0 16px;border-radius:999px;
    background:rgba(255,255,255,.82);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-soft);
  }
  .brand{display:flex;align-items:center;gap:10px;min-height:44px;}
  .brand-mark{
    width:32px;height:32px;border-radius:9px;background:var(--lime);color:var(--ink);
    display:grid;place-items:center;font-weight:800;font-size:15px;flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:14.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
  .brand-sub{font-size:10.5px;color:var(--text-muted);letter-spacing:.06em;}
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:44px;
    padding:0 14px;border-radius:999px;font-size:14px;color:var(--text-muted);
    transition:color .2s ease,background-color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;
    background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--ink);background:rgba(237,241,230,.7);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);font-weight:700;}
  .nav-link.active::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);
    margin-right:7px;box-shadow:0 0 0 3px rgba(200,241,53,.28);
  }
  .nav-link.active::after{transform:scaleX(1);}
  .dock-actions{display:flex;align-items:center;gap:8px;margin-left:6px;}
  .icon-btn{
    width:44px;height:44px;border-radius:999px;border:1px solid transparent;background:transparent;
    display:grid;place-items:center;color:var(--text-muted);
    transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .icon-btn:hover{background:var(--surface-alt);color:var(--ink);border-color:var(--line);}
  .menu-btn{
    display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
    background:var(--surface);color:var(--ink);place-items:center;
  }
  .menu-btn:hover{background:var(--surface-alt);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;
    font-size:14.5px;font-weight:700;letter-spacing:.01em;
    transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px -12px rgba(12,27,20,.5);}
  .btn-primary:hover{background:#D5F755;transform:translateY(1px);}
  .btn-primary:active{transform:translateY(2px);}
  .btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-outline:hover{background:var(--ink);color:#fff;}
  .btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff;}
  .btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn-sm{height:40px;padding:0 18px;font-size:13.5px;}
  .btn-official{background:var(--lime);color:var(--ink);}
  .btn-official:hover{background:#D5F755;transform:translateY(1px);}

  .badge{
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge-ember{background:rgba(255,106,61,.12);color:#D3491C;}
  .badge-lime{background:rgba(200,241,53,.22);color:var(--ink);}
  .badge-line{background:var(--surface-alt);color:var(--text-muted);}

  /* ---------- 页面头带 ---------- */
  .banner{
    position:relative;margin-top:26px;border-radius:24px;overflow:hidden;
    min-height:330px;display:flex;align-items:flex-end;
  }
  .banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .banner-mask{
    position:absolute;inset:0;
    background:linear-gradient(96deg,rgba(12,27,20,.94) 0%,rgba(12,27,20,.78) 46%,rgba(12,27,20,.42) 100%);
  }
  .banner-inner{position:relative;z-index:2;padding:42px 44px 40px;width:100%;}
  .crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
  .crumb a{color:rgba(255,255,255,.78);}
  .crumb a:hover{color:var(--lime);}
  .banner h1{
    color:#fff;font-size:clamp(30px,4.6vw,50px);font-weight:800;
    letter-spacing:-.02em;line-height:1.16;max-width:760px;
  }
  .banner-lead{
    color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;max-width:660px;margin-top:16px;
  }
  .stat-row{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;}
  .stat-item{min-width:120px;}
  .stat-num{font-size:26px;font-weight:800;color:var(--lime);line-height:1.2;letter-spacing:-.01em;}
  .stat-label{font-size:12.5px;color:rgba(255,255,255,.68);margin-top:4px;letter-spacing:.04em;}

  /* ---------- 通用板块 ---------- */
  .section{padding:78px 0;}
  .section-alt{background:var(--surface-alt);}
  .section-tight{padding:56px 0;}
  .section-head{max-width:740px;margin-bottom:44px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
    letter-spacing:.14em;color:#D3491C;margin-bottom:14px;text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--ember);border-radius:2px;}
  .section-title{
    font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.25;
  }
  .section-desc{color:var(--text-muted);font-size:15.5px;line-height:1.9;margin-top:14px;max-width:720px;}

  /* ---------- 概览卡 ---------- */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;position:relative;overflow:hidden;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
    opacity:0;transition:opacity .22s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(16,23,19,.22);}
  .card:hover::before{opacity:1;}
  .card h3{font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;}
  .card p{font-size:14px;line-height:1.78;color:var(--text-muted);}
  .card-kicker{font-size:12.5px;font-weight:700;color:#D3491C;letter-spacing:.08em;margin-bottom:12px;display:block;}

  /* ---------- 流程交替块 ---------- */
  .flow-item{
    display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;
    padding:52px 0;border-top:1px solid var(--line);
  }
  .flow-item:first-child{border-top:none;padding-top:8px;}
  .flow-item.flip .flow-media{order:-1;}
  .flow-num{
    font-size:66px;font-weight:800;line-height:1;color:transparent;
    -webkit-text-stroke:1.4px rgba(16,23,19,.42);letter-spacing:-.03em;margin-bottom:16px;
  }
  .flow-item h3{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.015em;line-height:1.35;}
  .flow-item p.flow-text{color:var(--text-muted);font-size:15px;line-height:1.9;margin-top:14px;max-width:640px;}
  .point-list{display:grid;gap:12px;margin-top:24px;}
  .point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;}
  .point-list li::before{
    content:"";width:9px;height:9px;flex:0 0 auto;margin-top:9px;border-radius:2px;
    background:var(--lime);border:1px solid var(--ink);transform:rotate(45deg);
  }
  .flow-media{position:relative;}
  .flow-media img{border-radius:var(--r-img);width:100%;height:320px;object-fit:cover;box-shadow:var(--shadow-soft);}
  .media-tag{
    position:absolute;left:18px;bottom:18px;background:rgba(12,27,20,.86);color:#fff;
    font-size:12.5px;padding:8px 14px;border-radius:999px;letter-spacing:.02em;
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .media-corner{
    position:absolute;right:-10px;top:-10px;width:64px;height:64px;background:var(--lime);
    clip-path:polygon(100% 0,100% 100%,0 0);border-radius:6px;
  }

  /* ---------- 规格卡 ---------- */
  .spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .spec-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(16,23,19,.22);}
  .spec-card dt{font-size:12.5px;letter-spacing:.1em;color:var(--text-muted);font-weight:600;}
  .spec-card dd{font-size:17px;font-weight:700;margin-top:8px;letter-spacing:-.01em;}
  .spec-card .spec-note{font-size:13.5px;color:var(--text-muted);line-height:1.75;margin-top:8px;}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;max-width:920px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    transition:box-shadow .22s ease,border-color .22s ease;
  }
  .faq-item:hover{border-color:rgba(16,23,19,.2);box-shadow:var(--shadow-soft);}
  .faq-item[open]{box-shadow:inset 3px 0 0 var(--lime);border-color:rgba(16,23,19,.2);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:18px;padding:20px 24px;font-size:17px;font-weight:700;letter-spacing:-.01em;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{
    width:28px;height:28px;flex:0 0 auto;border-radius:999px;border:1px solid var(--line);
    display:grid;place-items:center;font-size:16px;line-height:1;color:var(--ink);
    transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
  .faq-body{padding:0 24px 22px;font-size:15px;line-height:1.88;color:var(--text-muted);max-width:740px;}

  /* ---------- 相关通道 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .rel-card{
    display:flex;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);padding:20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(16,23,19,.22);}
  .rel-card img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-img);flex:0 0 auto;}
  .rel-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
  .rel-card p{font-size:13.5px;line-height:1.75;color:var(--text-muted);}
  .rel-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13.5px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--lime);}
  .rel-card:hover .rel-link{border-bottom-width:3px;}

  /* ---------- CTA 区块 ---------- */
  .cta-block{
    background:var(--ink);color:#fff;border-radius:24px;padding:52px;
    display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
    position:relative;overflow:hidden;
  }
  .cta-block::after{
    content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border-radius:50%;
    border:26px solid rgba(200,241,53,.16);
  }
  .cta-block h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.28;}
  .cta-block p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.88;margin-top:14px;max-width:620px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
  .cta-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:16px;}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--ink);color:#fff;margin-top:96px;padding:64px 0 26px;}
  .footer-top{border-top:1px solid rgba(255,255,255,.1);padding-top:48px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:42px;}
  .footer h4{font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.08em;margin-bottom:16px;}
  .footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);}
  .footer .brand-name{color:#fff;}
  .footer .brand-sub{color:rgba(255,255,255,.55);}
  .footer .brand-mark{background:var(--lime);color:var(--ink);}
  .footer-links{display:grid;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease;}
  .footer-links a:hover{color:var(--lime);padding-left:4px;}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:12.5px;color:rgba(255,255,255,.55);
  }

  /* ---------- 底部转化条 ---------- */
  .cta-bar{
    position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);
    background:var(--ink);color:#fff;border-radius:999px;
    display:flex;align-items:center;gap:18px;padding:10px 10px 10px 22px;
    box-shadow:0 20px 46px -20px rgba(12,27,20,.7);
    opacity:0;pointer-events:none;transition:opacity .28s ease,transform .28s ease;z-index:75;
  }
  .cta-bar.show{opacity:1;pointer-events:auto;transform:translate(-50%,0);}
  .cta-bar span{font-size:14px;white-space:nowrap;}
  .cta-bar .bar-close{
    width:34px;height:34px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;
    border:none;display:grid;place-items:center;font-size:16px;line-height:1;
  }
  .cta-bar .bar-close:hover{background:rgba(255,255,255,.22);}

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;background:var(--ink);z-index:95;
    padding:26px 22px 30px;display:flex;flex-direction:column;
    transform:translateY(-102%);transition:transform .32s cubic-bezier(.4,.1,.2,1);
  }
  .drawer.open{transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;}
  .drawer-close{
    width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.25);
    background:transparent;color:#fff;display:grid;place-items:center;font-size:18px;
  }
  .drawer-close:hover{background:rgba(255,255,255,.12);}
  .drawer-nav{display:grid;gap:6px;}
  .drawer-nav a{
    font-size:22px;font-weight:700;color:#fff;padding:16px 0;
    border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;
  }
  .drawer-nav a.active{color:var(--lime);}
  .drawer-nav a span{font-size:12.5px;color:rgba(255,255,255,.5);}
  .drawer-foot{margin-top:auto;padding-top:26px;}
  .drawer-foot .btn{width:100%;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1080px){
    .flow-item{gap:38px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
    .cta-block{grid-template-columns:1fr;padding:40px;}
  }
  @media (max-width:900px){
    .dock-nav{display:none;}
    .dock-actions .icon-btn{display:none;}
    .dock-actions .btn{display:none;}
    .menu-btn{display:grid;}
    .dock{height:60px;}
    .grid-3{grid-template-columns:1fr;gap:16px;}
    .spec-grid{grid-template-columns:repeat(2,1fr);}
    .flow-item{grid-template-columns:1fr;gap:26px;padding:40px 0;}
    .flow-item.flip .flow-media{order:0;}
    .flow-media img{height:260px;}
    .rel-grid{grid-template-columns:1fr;}
    .section{padding:60px 0;}
  }
  @media (max-width:640px){
    .container{padding:0 18px;}
    .dock-wrap{padding:0 12px;top:10px;}
    .brand-sub{display:none;}
    .banner{min-height:360px;border-radius:20px;}
    .banner-inner{padding:28px 22px 26px;}
    .stat-row{gap:24px;margin-top:24px;}
    .stat-item{min-width:96px;}
    .spec-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer{padding:48px 0 24px;}
    .cta-block{padding:30px 22px;border-radius:20px;}
    .rel-card{flex-direction:column;align-items:flex-start;}
    .rel-card img{width:100%;height:170px;}
    .cta-bar{
      left:0;right:0;bottom:0;transform:translateY(100%);border-radius:0;
      padding:10px 14px calc(10px + env(safe-area-inset-bottom));
      justify-content:space-between;gap:10px;
    }
    .cta-bar.show{transform:translateY(0);}
    .cta-bar span{font-size:13px;white-space:normal;line-height:1.5;}
    .faq-item summary{padding:18px 18px;font-size:16px;}
    .faq-body{padding:0 18px 18px;}
  }

/* roulang page: category2 */
:root{
  --ink:#0C1B14;
  --lime:#C8F135;
  --ember:#FF6A3D;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --surface-alt:#EDF1E6;
  --line:#E1E7DA;
  --text:#101713;
  --text-muted:#5C6A60;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-sm:0 1px 2px rgba(12,27,20,.04), 0 8px 24px -12px rgba(12,27,20,.18);
  --shadow-md:0 2px 6px rgba(12,27,20,.06), 0 18px 40px -18px rgba(12,27,20,.28);
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -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;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}

/* ===== Dock 导航 ===== */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:80;
  padding:16px 20px 0;
}
.dock{
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 10px 0 10px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 6px 6px 4px;border-radius:999px;transition:background var(--ease)}
.brand:hover{background:var(--surface-alt)}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--lime);color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;font-size:16px;line-height:1;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:10.5px;color:var(--text-muted);letter-spacing:.06em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-muted);
  border-radius:999px;
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:var(--surface-alt)}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:5px;
  height:2px;border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);
  background:#fff;color:var(--text-muted);
  display:grid;place-items:center;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.icon-btn:hover{color:var(--ink);border-color:rgba(12,27,20,.24);background:var(--surface-alt)}
.menu-btn{
  display:none;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;
}
.menu-btn:hover{background:var(--surface-alt)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  border:1.5px solid transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(1px)}
.btn-primary:active{transform:translateY(2px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ondark{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ondark:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12.5px;font-weight:600;line-height:1.7;
}
.badge-ember{background:rgba(255,106,61,.12);color:#D9481C}
.badge-lime{background:rgba(200,241,53,.24);color:var(--ink)}
.badge-ondark{background:rgba(200,241,53,.16);color:var(--lime)}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--text-muted)}

/* ===== 面包屑 ===== */
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-muted);padding-top:26px;flex-wrap:wrap}
.crumb a{transition:color var(--ease)}
.crumb a:hover{color:var(--ember)}
.crumb-current{color:var(--ink);font-weight:600}

/* ===== 页头条带 ===== */
.page-hero{
  position:relative;
  margin-top:22px;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(100deg,rgba(12,27,20,.92) 0%,rgba(12,27,20,.66) 52%,rgba(12,27,20,.42) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;
  background-position:center;
  border-radius:24px;
  overflow:hidden;
}
.page-hero-inner{padding:56px 0;color:#fff;max-width:820px}
.hero-title{
  font-size:clamp(32px,5vw,50px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#fff;
  margin:18px 0 16px;
}
.hero-sub{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:28px}
.hero-meta-item{display:flex;flex-direction:column;gap:2px}
.hero-meta-num{font-size:22px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-meta-label{font-size:12.5px;color:rgba(255,255,255,.68)}

/* ===== 板块 ===== */
.section{padding:76px 0 0}
.section-last{padding-bottom:0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-kicker{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--ember);margin-bottom:12px;
}
.sec-title{
  font-size:clamp(24px,3.2vw,34px);
  font-weight:700;line-height:1.28;letter-spacing:-.015em;
  color:var(--ink);
}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--text-muted);max-width:720px}

/* ===== 时间轴 ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:46px}
.timeline::before{
  content:"";position:absolute;left:6px;right:6px;top:17px;height:1px;background:var(--line);
}
.tl-item{position:relative;padding-top:56px}
.tl-dot{
  position:absolute;top:0;left:0;
  width:35px;height:35px;border-radius:999px;
  background:var(--lime);color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;font-size:13.5px;line-height:1;
  border:4px solid var(--bg);
  font-variant-numeric:tabular-nums;
}
.tl-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.tl-text{font-size:14px;line-height:1.75;color:var(--text-muted)}

/* ===== 卡片网格 ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(12,27,20,.2);box-shadow:var(--shadow-md)}
.card-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.card-icon{
  width:56px;height:56px;border-radius:var(--radius-img);
  object-fit:cover;flex:0 0 auto;
}
.card-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4}
.card-text{font-size:14px;line-height:1.75;color:var(--text-muted)}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:3px solid var(--lime);
  padding-bottom:2px;
  transition:border-color var(--ease),color var(--ease);
}
.card-link:hover{border-color:var(--ink);color:var(--ember)}

/* ===== 图文分栏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-sm)}
.check-list{margin-top:24px}
.check-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.check-item:first-child{border-top:0;padding-top:0}
.check-mark{
  width:24px;height:24px;border-radius:7px;flex:0 0 auto;margin-top:5px;
  background:rgba(200,241,53,.28);color:var(--ink);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.check-title{font-size:15.5px;font-weight:700;color:var(--ink)}
.check-text{font-size:14px;color:var(--text-muted);line-height:1.75}

/* ===== 深色参数区 ===== */
.dark-block{
  background:var(--ink);
  color:#fff;
  border-radius:24px;
  padding:52px 44px;
  position:relative;
  overflow:hidden;
}
.dark-block::after{
  content:"";
  position:absolute;right:-70px;top:-70px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(200,241,53,.22),transparent 68%);
}
.dark-block .sec-title{color:#fff}
.dark-block .sec-desc{color:rgba(255,255,255,.72)}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;margin-top:36px;position:relative;z-index:1}
.spec-item{padding:22px 0;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;gap:6px}
.spec-item dt{font-size:15px;font-weight:700;color:#fff}
.spec-item dd{font-size:14px;line-height:1.75;color:rgba(255,255,255,.7)}

/* ===== FAQ ===== */
.faq-list{max-width:880px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius-card);
  padding:0 22px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item + .faq-item{margin-top:14px}
.faq-item[open]{border-left-color:var(--lime);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:28px;height:28px;border-radius:999px;flex:0 0 auto;
  background:var(--surface-alt);color:var(--ink);
  display:grid;place-items:center;font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--lime)}
.faq-answer{
  padding:0 0 22px;
  font-size:15px;line-height:1.85;color:var(--text-muted);max-width:720px;
}

/* ===== 相关入口卡 ===== */
.link-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.link-card:hover{background:#fff;transform:translateY(-2px);border-color:rgba(12,27,20,.2)}
.link-card h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.link-card p{font-size:14px;color:var(--text-muted);line-height:1.75}
.link-arrow{
  width:44px;height:44px;border-radius:999px;flex:0 0 auto;
  background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-weight:800;
  transition:transform var(--ease);
}
.link-card:hover .link-arrow{transform:translateX(4px)}

/* ===== CTA ===== */
.cta-box{
  background:var(--ink);
  color:#fff;
  border-radius:24px;
  padding:56px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;left:-60px;bottom:-90px;
  width:240px;height:240px;border-radius:999px;
  border:1px solid rgba(200,241,53,.28);
}
.cta-title{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;line-height:1.25;letter-spacing:-.015em}
.cta-sub{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.75);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:rgba(255,255,255,.82);margin-top:88px}
.footer-top{padding:64px 0 0;border-top:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:rgba(255,255,255,.55)}
.footer-grid p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-links a{
  display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:12.5px;color:rgba(255,255,255,.6);flex-wrap:wrap;
}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);color:#fff;
  display:flex;flex-direction:column;
  padding:22px 22px 32px;
  transform:translateY(-102%);
  transition:transform .32s ease;
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.drawer-close{
  width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.12);color:#fff;border:0;
  font-size:22px;line-height:1;
}
.drawer-close:hover{background:rgba(255,255,255,.22)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:46px}
.drawer-nav a{
  font-size:26px;font-weight:700;color:rgba(255,255,255,.86);
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);
  transition:color var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime)}
.drawer-cta{margin-top:auto;width:100%}

/* ===== 底部转化条 ===== */
.bottom-bar{
  position:fixed;left:50%;bottom:24px;z-index:110;
  transform:translateX(-50%) translateY(180%);
  transition:transform .35s ease;
}
.bottom-bar.show{transform:translateX(-50%) translateY(0)}
.bottom-bar-inner{
  display:flex;align-items:center;gap:18px;
  background:var(--ink);color:#fff;
  border-radius:999px;
  padding:10px 12px 10px 24px;
  box-shadow:var(--shadow-md);
}
.bottom-text{font-size:14px;white-space:nowrap}
.bottom-close{
  width:32px;height:32px;border-radius:999px;border:0;
  background:rgba(255,255,255,.14);color:#fff;font-size:17px;line-height:1;
  display:grid;place-items:center;
}
.bottom-close:hover{background:rgba(255,255,255,.28)}

/* ===== 响应式 ===== */
@media(max-width:1023px){
  .dock-nav{display:none}
  .dock-actions .icon-btn,.dock-actions .btn{display:none}
  .menu-btn{display:grid}
  .dock{justify-content:space-between}
  .split{grid-template-columns:1fr;gap:34px}
  .split-media img{height:280px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:767px){
  .dock-wrap{padding:12px 14px 0}
  .dock{height:58px}
  .brand-sub{display:none}
  .page-hero{border-radius:18px;min-height:auto}
  .page-hero-inner{padding:42px 0}
  .section{padding:56px 0 0}
  .timeline{grid-template-columns:1fr;gap:6px;margin-top:34px}
  .timeline::before{left:17px;right:auto;top:10px;bottom:14px;width:1px;height:auto}
  .tl-item{padding:0 0 24px 56px}
  .tl-dot{top:0;left:0}
  .grid-2{grid-template-columns:1fr}
  .dark-block{padding:36px 22px;border-radius:20px}
  .spec-grid{grid-template-columns:1fr;gap:0}
  .cta-box{padding:38px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .bottom-bar{left:0;right:0;bottom:0;transform:translateY(180%)}
  .bottom-bar.show{transform:translateY(0)}
  .bottom-bar-inner{
    border-radius:0;width:100%;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:12px;
  }
  .bottom-text{white-space:normal;font-size:13px;line-height:1.5}
}
@media(max-width:520px){
  .hero-title{font-size:30px}
  .card{padding:20px}
  .card-icon{width:48px;height:48px}
}