/* roulang page: index */
:root{
      --blue:#2563eb;
      --blue-dark:#173f91;
      --blue-soft:#eaf3ff;
      --ink:#15243b;
      --muted:#64748b;
      --line:#dfe9f5;
      --page:#f7faff;
      --white:#ffffff;
      --teal:#0f9f9a;
      --coral:#d97968;
      --shadow:0 18px 45px rgba(35,76,132,.10);
      --shadow-sm:0 8px 24px rgba(35,76,132,.08);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .topbar{background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;font-size:19px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(37,99,235,.25)}
    .brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid #fff;margin-left:3px}
    .brand em{font-style:normal;color:var(--blue)}
    .utility{display:flex;align-items:center;gap:12px}
    .search{display:flex;align-items:center;border:1px solid var(--line);background:#fbfdff;border-radius:11px;height:42px;padding:0 12px;transition:.2s}
    .search:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
    .search input{border:0;outline:0;background:transparent;width:180px;color:var(--ink);font-size:14px}
    .search input::placeholder{color:#9aaabd}
    .search button{border:0;background:transparent;color:var(--blue);font-weight:700;padding:2px 0}
    .age-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .channel-row{border-top:1px solid #f0f4f9;background:#fbfdff}
    .channels{display:flex;align-items:center;gap:9px;overflow-x:auto;scrollbar-width:none;min-height:52px}
    .channels::-webkit-scrollbar{display:none}
    .channel{font-size:14px;color:#60728a;padding:7px 14px;border-radius:999px;white-space:nowrap;transition:.2s}
    .channel:hover{background:var(--blue-soft);color:var(--blue)}
    .channel.active{background:var(--blue);color:#fff;box-shadow:0 5px 12px rgba(37,99,235,.18)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.2s}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(37,99,235,.18)}
    .btn-primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 13px 24px rgba(37,99,235,.24)}
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{background:#fff;color:var(--blue);border-color:#cfe0f5}
    .btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-1px)}
    .btn:focus-visible,.channel:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(37,99,235,.25);outline-offset:3px}
    .hero{padding:70px 0 52px;background:#fff;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,rgba(0,0,0,.4),transparent 75%);pointer-events:none}
    .hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    h1,h2,h3{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(34px,5vw,56px);max-width:650px}
    h2{font-size:clamp(27px,3vw,38px)}
    h3{font-size:19px}
    .hero-copy{font-size:17px;color:#53657d;max-width:650px;margin:21px 0 27px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-side{background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px;box-shadow:var(--shadow);position:relative}
    .panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}
    .panel-title{font-weight:800}
    .status{font-size:12px;color:var(--teal);display:flex;gap:6px;align-items:center}
    .status i{width:7px;height:7px;background:var(--teal);border-radius:50%;display:block}
    .metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fcfeff}
    .metric strong{display:block;font-size:29px;line-height:1;color:var(--blue);letter-spacing:-.04em}
    .metric span{display:block;font-size:13px;color:var(--muted);margin-top:8px}
    .metric small{display:block;color:#7890a9;font-size:12px;margin-top:5px}
    .section{padding:94px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head p{max-width:590px;color:var(--muted);margin:10px 0 0}
    .index-line{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .index-line b{color:var(--blue);font-size:13px}
    .index-line span{height:1px;width:46px;background:#b9d0ec}
    .matrix{display:grid;grid-template-columns:1.35fr .85fr .85fr;gap:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s;overflow:hidden}
    .card:hover{transform:translateY(-4px);border-color:#a9c8ee;box-shadow:var(--shadow)}
    .feature-card{grid-row:span 2;min-height:390px;padding:30px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#fff 0%,#f4f9ff 100%)}
    .visual{height:165px;border-radius:16px;background:linear-gradient(135deg,#dcecff,#eff7ff);position:relative;overflow:hidden;margin:25px 0}
    .visual:before,.visual:after{content:"";position:absolute;border:1px solid rgba(37,99,235,.18);border-radius:50%}
    .visual:before{width:240px;height:240px;right:-50px;top:-70px}
    .visual:after{width:140px;height:140px;left:35px;bottom:-65px}
    .visual-label{position:absolute;left:20px;bottom:18px;color:var(--blue-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .mini-card{padding:22px;min-height:185px;display:flex;flex-direction:column;justify-content:space-between}
    .tags{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}
    .tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;background:var(--blue-soft);color:#315d9c;font-size:12px;line-height:1.6}
    .tag.gray{background:#f0f4f8;color:#6b7d91}
    .tag.coral{background:#fff1ed;color:#a96050}
    .card p{color:var(--muted);font-size:14px;margin:7px 0 0;line-height:1.7}
    .arrow-link{color:var(--blue);font-weight:700;font-size:14px;margin-top:17px;display:inline-block}
    .value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .value-item{padding:23px;border-top:3px solid var(--blue);background:#fff;border-radius:16px;box-shadow:var(--shadow-sm)}
    .value-item b{display:block;font-size:27px;color:var(--blue-dark);margin-bottom:8px}
    .value-item p{font-size:14px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-panel{padding:29px;border-radius:20px;border:1px solid var(--line);background:#fff}
    .compare-panel.highlight{background:#f1f7ff;border-color:#bfd6f4}
    .compare-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:12px}
    .compare-list{list-style:none;padding:0;margin:0}
    .compare-list li{padding:13px 0;border-bottom:1px dashed #d9e3ee;color:#748399;font-size:14px;display:flex;gap:10px}
    .compare-list li:last-child{border:0}
    .compare-list li:before{content:"—";color:#a7b5c5}
    .highlight .compare-list li{color:#345271}
    .highlight .compare-list li:before{content:"✓";color:var(--teal);font-weight:800}
    .news-layout{display:grid;grid-template-columns:1fr 340px;gap:18px}
    .news-list{padding:12px 26px}
    .news-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0}
    .news-item strong{font-size:16px}
    .news-item small{color:#8a9aae;white-space:nowrap}
    .news-side{padding:27px;background:#173f91;color:#fff;border-radius:20px;box-shadow:var(--shadow)}
    .news-side h3{color:#fff}
    .news-side p{color:#d8e7ff;font-size:14px}
    .faq-wrap{max-width:850px;margin:0 auto}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:10px 0;transition:.2s}
    details[open]{background:#f2f7ff;border-color:#bcd4f2}
    summary{padding:18px 21px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--blue);font-size:22px;font-weight:400;line-height:1}
    details[open] summary:after{content:"−"}
    details p{padding:0 21px 20px;margin:0;color:var(--muted);font-size:14px}
    .cta{background:#eaf3ff;padding:70px 0}
    .form-card{background:#fff;border:1px solid #d5e5f7;border-radius:22px;box-shadow:var(--shadow);padding:32px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
    label{display:block;font-size:13px;font-weight:700;color:#41566f;margin-bottom:7px}
    input,select,textarea{width:100%;border:1px solid #d8e4f0;border-radius:10px;background:#fbfdff;padding:12px 14px;color:var(--ink);outline:0;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
    textarea{min-height:110px;resize:vertical}
    .full{grid-column:1/-1}
    .check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--muted);font-weight:400}
    .check input{width:17px;height:17px;margin-top:4px;accent-color:var(--blue)}
    .form-note{font-size:12px;color:#8191a5;margin-top:14px}
    .site-footer{background:#eef4fa;border-top:1px solid var(--line);padding:42px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
    .footer-copy{color:var(--muted);font-size:14px;max-width:380px;margin:14px 0}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:12px}
    .footer-links{display:flex;flex-direction:column;gap:7px;color:#667990;font-size:14px}
    .footer-links a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #dce6f0;margin-top:32px;padding-top:19px;color:#8796a9;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .modal{position:fixed;inset:0;background:rgba(18,43,76,.48);z-index:80;display:flex;align-items:center;justify-content:center;padding:20px}
    .modal.hidden{display:none}
    .modal-box{max-width:440px;width:100%;background:#fff;border:1px solid var(--line);border-radius:22px;padding:31px;box-shadow:0 24px 70px rgba(18,43,76,.22)}
    .modal-box h2{font-size:27px}
    .modal-box p{color:var(--muted);font-size:14px;margin:13px 0 22px}
    .modal-actions{display:flex;gap:10px}
    .modal-actions .btn{flex:1}
    @media(max-width:1024px){
      .hero-inner{grid-template-columns:1fr}
      .matrix{grid-template-columns:1.2fr 1fr}
      .feature-card{grid-row:span 2}
      .value-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .brand-row{min-height:68px}
      .utility .age-note,.utility .search{display:none}
      .hero{padding:52px 0 38px}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .matrix{grid-template-columns:1fr 1fr}
      .feature-card{grid-column:1/-1;grid-row:auto;min-height:330px}
      .compare,.news-layout{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{display:block}
    }
    @media(max-width:520px){
      .brand{font-size:16px;gap:8px}
      .brand-mark{width:31px;height:31px}
      .hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}
      .metrics,.matrix,.value-grid{grid-template-columns:1fr}
      .mini-card{min-height:160px}
      .feature-card{min-height:300px}
      .news-list{padding:8px 18px}
      .news-item{align-items:flex-start;display:block}
      .news-item small{display:block;margin-top:4px}
      .form-card{padding:22px 18px}
      .footer-grid{grid-template-columns:1fr}
      .modal-actions{flex-direction:column}
    }

/* roulang page: category1 */
:root{--blue:#2563eb;--blue-dark:#173f91;--blue-soft:#eaf3ff;--ink:#15243b;--muted:#64748b;--line:#dfe9f5;--page:#f7faff;--white:#fff;--teal:#0f9f9a;--coral:#d97968;--shadow:0 18px 45px rgba(35,76,132,.10);--shadow-sm:0 8px 24px rgba(35,76,132,.08);--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--page);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(1200px,calc(100% - 48px));margin:0 auto}.topbar{background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;font-size:19px;white-space:nowrap}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(37,99,235,.25)}.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid #fff;margin-left:3px}.utility{display:flex;align-items:center;gap:16px}.age-note{font-size:12px;color:var(--muted);white-space:nowrap}.search{display:flex;align-items:center;border:1px solid var(--line);background:#fbfdff;border-radius:11px;height:42px;padding:0 12px;transition:.2s}.search:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}.search input{border:0;outline:0;background:transparent;width:180px;color:var(--ink);font-size:14px}.search input::placeholder{color:#9aaabd}.search button{border:0;background:transparent;color:var(--blue);font-weight:700;padding:2px 0}.channel-row{border-top:1px solid #f0f4f9;background:#fbfdff}.channels{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}.channels::-webkit-scrollbar{display:none}.channel{padding:10px 16px;color:#60738d;font-size:14px;font-weight:700;border-bottom:3px solid transparent;white-space:nowrap;transition:.2s}.channel:hover{color:var(--blue);background:var(--blue-soft)}.channel.active{color:var(--blue-dark);border-bottom-color:var(--blue);background:var(--blue-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.2s}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(37,99,235,.18)}.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 13px 24px rgba(37,99,235,.24)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#fff;color:var(--blue);border-color:#cfe0f5}.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-1px)}.btn:focus-visible,.channel:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(37,99,235,.25);outline-offset:3px}.section{padding:82px 0}.eyebrow,.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.page-intro{background:#fff;border-bottom:1px solid var(--line);padding:48px 0 42px}.breadcrumbs{display:flex;gap:8px;align-items:center;color:#8091a7;font-size:13px;margin-bottom:20px}.breadcrumbs a:hover{color:var(--blue)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,5vw,52px);line-height:1.22;letter-spacing:-.045em;margin-bottom:18px}h2{font-size:clamp(26px,3vw,35px);line-height:1.3;letter-spacing:-.03em}h3{font-size:19px;line-height:1.4}.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end}.intro-copy{color:var(--muted);max-width:760px;margin-bottom:0}.status-panel{border:1px solid var(--line);border-radius:18px;background:#f9fcff;padding:20px;box-shadow:var(--shadow-sm)}.status-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:8px 0;font-size:14px}.status-line:last-child{border-bottom:0}.status-line b{color:var(--blue-dark)}.toolbar{margin-top:34px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:repeat(4,1fr) auto;gap:12px;align-items:end}.field label{display:block;font-size:12px;font-weight:800;color:#60738d;margin-bottom:6px}.field select{width:100%;height:44px;border:1px solid #d8e4f0;border-radius:10px;background:#fbfdff;padding:0 12px;color:var(--ink);outline:0}.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}.reset{height:44px;border:1px solid #cfe0f5;border-radius:10px;background:#fff;color:var(--blue);padding:0 14px;font-weight:700}.reset:hover{background:var(--blue-soft);border-color:var(--blue)}.content-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:var(--shadow-sm);position:sticky;top:142px}.side-card h3{margin-bottom:14px}.side-list{list-style:none;padding:0;margin:0}.side-list li{border-top:1px solid var(--line);padding:12px 0;color:var(--muted);font-size:14px}.side-list li strong{display:block;color:var(--ink);font-size:15px}.side-list li span{color:var(--blue);font-size:12px}.summary-note{margin-top:22px;border-radius:13px;padding:14px;background:var(--blue-soft);color:#45658d;font-size:13px;line-height:1.65}.list-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}.list-head p{color:var(--muted);font-size:14px;margin:0}.result-list{display:grid;gap:15px}.result-card{display:grid;grid-template-columns:190px minmax(0,1fr) auto;gap:22px;align-items:center;padding:17px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);transition:.25s}.result-card:hover{transform:translateY(-3px);border-color:#a9c8ee;box-shadow:var(--shadow)}.cover{aspect-ratio:16/9;border-radius:13px;background:linear-gradient(135deg,#dbeafe,#eff6ff 55%,#dce9f7);position:relative;overflow:hidden;display:grid;place-items:center;color:#4776b1;font-weight:800;font-size:13px}.cover:before{content:"18+";position:absolute;top:10px;left:10px;background:rgba(255,255,255,.75);color:#355c8e;padding:2px 8px;border-radius:999px;font-size:11px}.cover:after{content:"专题视觉";letter-spacing:.12em;border:1px solid rgba(37,99,235,.25);padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.45)}.result-meta{display:flex;flex-wrap:wrap;gap:7px;margin:7px 0}.result-card p{color:var(--muted);font-size:14px;margin:0}.result-time{font-size:12px;color:#8a9aae;white-space:nowrap}.result-action{white-space:nowrap}.featured{margin-top:28px;padding:28px 30px;border-radius:20px;background:#edf6ff;border:1px solid #d3e6fa;display:flex;justify-content:space-between;align-items:center;gap:28px}.featured p{color:#5c7390;margin:8px 0 0}.tag{display:inline-flex;align-items:center;padding:3px 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