/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-deep:#040b15;
      --panel:rgba(13,30,52,.78);
      --panel-soft:rgba(17,41,69,.58);
      --line:rgba(145,190,232,.18);
      --line-strong:rgba(95,207,255,.42);
      --text:#edf7ff;
      --muted:#9bb1c9;
      --quiet:#6d8199;
      --cyan:#63ddff;
      --blue:#4f8dff;
      --violet:#8d7dff;
      --green:#6ee7b7;
      --shadow:0 22px 70px rgba(0,0,0,.32);
      --radius-lg:24px;
      --radius-md:16px;
      --max:1280px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;overflow-x:hidden;
      background-image:linear-gradient(rgba(92,145,198,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(92,145,198,.045) 1px,transparent 1px);
      background-size:44px 44px;
    }
    body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 76% 9%,rgba(53,137,255,.16),transparent 30%),radial-gradient(circle at 12% 55%,rgba(33,198,220,.07),transparent 28%);z-index:-1}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;object-fit:cover}
    .container{width:min(calc(100% - 44px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(5,14,27,.78);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:248px}
    .brand-mark{width:34px;height:34px;border:1px solid var(--line-strong);border-radius:10px;display:grid;place-items:center;color:var(--cyan);box-shadow:0 0 25px rgba(99,221,255,.18);font-weight:800}
    .brand-text{font-size:14px;font-weight:800;line-height:1.25;letter-spacing:0}
    .brand-text small{display:block;color:var(--quiet);font-size:10px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 13px;border:1px solid transparent;border-radius:10px;color:var(--muted);font-size:14px;transition:.22s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--text);background:rgba(99,221,255,.08);border-color:var(--line)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--cyan)}
    .command-search{height:42px;width:205px;display:flex;align-items:center;gap:9px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:rgba(8,23,40,.8);color:var(--quiet);transition:.2s}
    .command-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(99,221,255,.08)}
    .command-search input{width:100%;min-width:0;outline:0;border:0;background:transparent;color:var(--text);font-size:13px}
    .key{border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:10px;color:var(--quiet)}
    .mobile-toggle{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);width:42px;height:42px;border-radius:10px}
    .btn{min-height:46px;padding:0 19px;border-radius:11px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;transition:.22s}
    .btn-primary{color:#03121d;background:linear-gradient(110deg,var(--cyan),#72aaff);box-shadow:0 0 28px rgba(99,221,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(99,221,255,.38)}
    .btn-primary:active{transform:translateY(1px)}
    .btn-secondary{color:var(--text);border-color:var(--line-strong);background:rgba(15,38,65,.6)}
    .btn-secondary:hover{background:rgba(44,92,139,.35);border-color:var(--cyan)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(99,221,255,.75);outline-offset:3px}
    .hero{min-height:610px;display:flex;align-items:center;padding:72px 0 78px;position:relative}
    .hero:after{content:"";position:absolute;right:-8%;top:12%;width:52%;height:70%;background:radial-gradient(ellipse,rgba(58,134,255,.15),transparent 67%);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:1px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
    h1{font-size:clamp(40px,5.4vw,72px);line-height:1.13;letter-spacing:0;font-weight:850;margin:18px 0 22px;max-width:700px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:610px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
    .hero-note{display:flex;gap:22px;margin-top:28px;color:var(--quiet);font-size:12px}
    .hero-note strong{display:block;color:var(--text);font-size:16px;font-weight:700}
    .hero-panel{position:relative;border:1px solid var(--line-strong);border-radius:28px;padding:20px;background:rgba(7,19,34,.76);box-shadow:var(--shadow),inset 0 0 55px rgba(69,146,255,.08);backdrop-filter:blur(18px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:2px 3px 17px;color:var(--muted);font-size:12px}
    .live{display:flex;align-items:center;gap:7px;color:var(--green)}
    .live i,.status-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 13px var(--green);display:inline-block}
    .timeline{display:grid;grid-template-columns:82px 1fr;gap:0;margin-top:18px}
    .time{font-size:12px;color:var(--quiet);padding:15px 0;border-bottom:1px solid var(--line)}
    .timeline-item{padding:13px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
    .timeline-item strong{display:block;font-size:14px}
    .timeline-item span{font-size:11px;color:var(--muted)}
    .tag{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid var(--line);border-radius:8px;color:#b8ddff;background:rgba(75,140,220,.1);font-size:11px;white-space:nowrap}
    .section{padding:94px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;margin-top:11px}
    .section-intro{max-width:570px;color:var(--muted);font-size:15px}
    .metrics{display:grid;grid-template-columns:1.2fr .9fr 1fr .8fr;gap:13px}
    .metric{padding:23px 22px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel-soft);box-shadow:inset 0 0 28px rgba(58,143,255,.05)}
    .metric:nth-child(2){margin-top:18px}.metric:nth-child(4){margin-top:-10px}
    .metric-value{font-size:34px;font-weight:800;line-height:1;color:var(--text);font-variant-numeric:tabular-nums}
    .metric-value em{font-size:15px;color:var(--cyan);font-style:normal;margin-left:3px}
    .metric-label{color:var(--muted);font-size:13px;margin-top:11px}
    .metric-foot{font-size:11px;color:var(--quiet);margin-top:7px}
    .matrix{display:grid;grid-template-columns:1.4fr .8fr;grid-template-rows:auto auto;gap:16px}
    .matrix-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);padding:27px;transition:.25s;position:relative;overflow:hidden}
    .matrix-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 18px 45px rgba(0,0,0,.22)}
    .matrix-wide{grid-row:span 2;min-height:330px}
    .matrix-card h3{font-size:22px;margin:14px 0 8px}.matrix-card p{color:var(--muted);font-size:14px}
    .matrix-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
    .entry{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .entry:last-child{border-bottom:0}.entry b{color:var(--text);font-weight:650}.arrow{color:var(--cyan);font-size:18px}
    .calendar{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:25px}
    .day{padding:12px 10px;border:1px solid var(--line);border-radius:11px;background:rgba(4,14,27,.42);font-size:11px;color:var(--quiet)}
    .day strong{display:block;color:var(--text);font-size:13px;margin:5px 0}.day.active{border-color:var(--cyan);box-shadow:0 0 20px rgba(99,221,255,.1)}
    .comparison{display:grid;grid-template-columns:1fr 72px 1fr;align-items:stretch;gap:18px}
    .compare-box{border:1px solid var(--line);border-radius:var(--radius-lg);padding:27px;background:rgba(11,28,48,.7)}
    .compare-box.highlight{border-color:var(--line-strong);background:rgba(20,48,79,.72)}
    .compare-title{display:flex;justify-content:space-between;align-items:center;font-size:17px;font-weight:750;margin-bottom:21px}
    .compare-list{display:grid;gap:17px}.compare-row{display:grid;gap:7px;font-size:13px;color:var(--muted)}
    .bar{height:6px;border-radius:5px;background:#1c3046;overflow:hidden}.bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .compare-mid{display:grid;place-items:center;color:var(--cyan);font-size:12px;font-weight:800}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:44px}
    .faq-side p{color:var(--muted);font-size:15px;margin-top:17px;max-width:320px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:transparent;color:var(--text);border:0;text-align:left;padding:20px 0;display:flex;justify-content:space-between;gap:20px;font-weight:650}
    .faq-q span:last-child{color:var(--cyan);font-size:20px;transition:.2s}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta-section{padding:94px 0 110px}.cta-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;border:1px solid var(--line-strong);border-radius:28px;padding:42px;background:linear-gradient(120deg,rgba(13,38,68,.95),rgba(8,22,39,.9));box-shadow:var(--shadow)}
    .cta-copy p{color:var(--muted);font-size:15px;margin-top:16px;max-width:420px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;color:#bed1e5}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:rgba(3,14,27,.58);color:var(--text);padding:12px 13px;outline:0}.field textarea{min-height:95px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#60758c}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(99,221,255,.1)}.agree{grid-column:1/-1;color:var(--quiet);font-size:12px;display:flex;gap:8px;align-items:flex-start}.agree input{accent-color:var(--cyan);margin-top:5px}.form-message{display:none;color:var(--green);font-size:13px;margin-top:13px}.form-message.show{display:block}
    footer{border-top:1px solid var(--line);padding:34px 0 40px;background:rgba(3,10,19,.55)}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-brand{font-size:14px;font-weight:750}.footer-brand p{color:var(--quiet);font-size:12px;font-weight:400;margin-top:9px}.footer-links{display:flex;gap:26px;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--quiet);font-size:11px;display:flex;justify-content:space-between}
    @media(max-width:1024px){.nav{gap:14px}.brand{min-width:220px}.command-search{width:170px}.hero-grid{gap:34px}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2),.metric:nth-child(4){margin-top:0}}
    @media(max-width:768px){.container{width:min(calc(100% - 36px),var(--max))}.nav{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:12px}.nav-links,.nav .btn-primary{display:none}.command-search{width:42px;padding:0 11px}.command-search input,.key{display:none}.mobile-toggle{display:block}.nav.mobile-open{height:auto;flex-wrap:wrap;padding:13px 0}.nav.mobile-open .nav-links{display:flex;order:5;width:100%;flex-direction:column;align-items:stretch}.nav.mobile-open .nav-links a{padding:12px}.hero{padding:55px 0 65px;min-height:auto}.hero-grid{grid-template-columns:1fr}.hero-panel{margin-top:12px}.hero-copy{font-size:15px}.section{padding:67px 0}.section-head{display:block}.section-intro{margin-top:16px}.matrix{grid-template-columns:1fr;grid-template-rows:auto}.matrix-wide{grid-row:auto;min-height:0}.calendar{overflow-x:auto;grid-template-columns:repeat(5,125px);padding-bottom:6px}.comparison{grid-template-columns:1fr;gap:12px}.compare-mid{height:25px}.faq-grid,.cta-panel{grid-template-columns:1fr;gap:28px}.cta-section{padding:67px 0 76px}.footer-grid{display:block}.footer-links{margin-top:25px;flex-wrap:wrap;gap:14px 22px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
    @media(max-width:520px){h1{font-size:40px}.metrics{grid-template-columns:1fr 1fr;gap:9px}.metric{padding:17px 14px}.metric-value{font-size:27px}.timeline{grid-template-columns:63px 1fr}.timeline-item{padding-left:10px;padding-right:4px}.timeline-item .tag{display:none}.hero-actions .btn{width:100%}.form-grid{grid-template-columns:1fr}.field.full,.agree{grid-column:auto}.cta-panel{padding:27px 20px}.hero-note{gap:15px}.matrix-card{padding:21px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
      --bg:#07111f;
      --bg-deep:#040b15;
      --panel:rgba(13,30,52,.78);
      --panel-soft:rgba(17,41,69,.58);
      --line:rgba(145,190,232,.18);
      --line-strong:rgba(95,207,255,.42);
      --text:#edf7ff;
      --muted:#9bb1c9;
      --quiet:#6d8199;
      --cyan:#63ddff;
      --blue:#4f8dff;
      --violet:#8d7dff;
      --green:#6ee7b7;
      --red:#ff8c9b;
      --shadow:0 22px 70px rgba(0,0,0,.32);
      --radius-lg:24px;
      --radius-md:16px;
      --max:1280px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;overflow-x:hidden;
      background-image:linear-gradient(rgba(92,145,198,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(92,145,198,.045) 1px,transparent 1px);
      background-size:44px 44px;
    }
    body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 76% 9%,rgba(53,137,255,.16),transparent 30%),radial-gradient(circle at 12% 55%,rgba(33,198,220,.07),transparent 28%);z-index:-1}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;object-fit:cover}
    .container{width:min(calc(100% - 44px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(5,14,27,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:248px}
    .brand-mark{width:34px;height:34px;border:1px solid var(--line-strong);border-radius:10px;display:grid;place-items:center;color:var(--cyan);box-shadow:0 0 25px rgba(99,221,255,.18);font-weight:800}
    .brand-text{font-size:14px;font-weight:800;line-height:1.25}
    .brand-text small{display:block;color:var(--quiet);font-size:10px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 13px;border:1px solid transparent;border-radius:10px;color:var(--muted);font-size:14px;transition:.22s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--text);background:rgba(99,221,255,.08);border-color:var(--line)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--cyan)}
    .command-search{height:42px;width:205px;display:flex;align-items:center;gap:9px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:rgba(8,23,40,.8);color:var(--quiet);transition:.2s}
    .command-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(99,221,255,.08)}
    .command-search input{width:100%;min-width:0;outline:0;border:0;background:transparent;color:var(--text);font-size:13px}
    .command-search input::placeholder{color:var(--quiet)}
    .nav-cta{min-height:42px;padding:0 15px;border-radius:10px;border:1px solid transparent;color:#03121d;background:linear-gradient(110deg,var(--cyan),#72aaff);font-size:13px;font-weight:800;transition:.22s}
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(99,221,255,.3)}
    .mobile-toggle{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);width:42px;height:42px;border-radius:10px}
    .mobile-toggle:focus-visible,.btn:focus-visible,.filter-btn:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(99,221,255,.75);outline-offset:3px}
    .page-hero{position:relative;padding:76px 0 48px}
    .page-hero:after{content:"";position:absolute;right:-7%;top:8%;width:48%;height:90%;background:radial-gradient(ellipse,rgba(58,134,255,.16),transparent 68%);pointer-events:none}
    .hero-layout{display:grid;grid-template-columns:1fr .82fr;gap:60px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.04em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:1px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.14;letter-spacing:0;margin:20px 0}
    h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;letter-spacing:0;margin:12px 0}
    h3{line-height:1.35}
    .hero-copy{font-size:17px;color:var(--muted);max-width:680px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{min-height:46px;padding:0 19px;border-radius:11px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;transition:.22s}
    .btn-primary{color:#03121d;background:linear-gradient(110deg,var(--cyan),#72aaff);box-shadow:0 0 28px rgba(99,221,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(99,221,255,.38)}
    .btn-primary:active{transform:translateY(1px)}
    .btn-secondary{color:var(--text);border-color:var(--line-strong);background:rgba(15,38,65,.6)}
    .btn-secondary:hover{background:rgba(44,92,139,.35);border-color:var(--cyan)}
    .hero-summary{border-left:1px solid var(--line-strong);padding-left:25px;color:var(--muted);font-size:14px}
    .hero-summary strong{display:block;color:var(--text);font-size:24px;margin-bottom:5px}
    .console{border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:rgba(7,19,34,.8);box-shadow:var(--shadow),inset 0 0 55px rgba(69,146,255,.08);backdrop-filter:blur(18px);padding:20px;position:relative;z-index:1}
    .console-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:10px}
    .console-title{font-size:13px;font-weight:800}
    .live{color:var(--green);font-size:11px;display:flex;gap:6px;align-items:center}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 11px var(--green)}
    .region-row{display:flex;align-items:center;justify-content:space-between;padding:15px 2px;border-bottom:1px solid var(--line);gap:12px}
    .region-row:last-child{border-bottom:0}
    .region-row strong{font-size:14px;display:block}
    .region-row small{color:var(--quiet);font-size:11px}
    .signal{height:6px;width:86px;border-radius:8px;background:rgba(99,221,255,.12);overflow:hidden}
    .signal i{display:block;height:100%;border-radius:inherit;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .section{padding:56px 0 88px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .section-intro{max-width:600px;color:var(--muted);font-size:15px}
    .filter-console{border:1px solid var(--line);border-radius:20px;background:rgba(13,30,52,.7);padding:20px;box-shadow:var(--shadow)}
    .filter-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:12px}
    .field,.select-field{height:48px;border:1px solid var(--line);border-radius:11px;background:rgba(5,17,31,.72);color:var(--muted);padding:0 14px;display:flex;align-items:center;gap:9px}
    .field:focus-within,.select-field:focus-within{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(99,221,255,.08)}
    .field input,.select-field select{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:13px}
    .select-field select option{background:#0b1c31;color:var(--text)}
    .filter-line{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:17px}
    .filter-label{color:var(--quiet);font-size:12px}
    .chips{display:flex;gap:8px;flex-wrap:wrap;flex:1}
    .chip{border:1px solid var(--line);border-radius:9px;padding:5px 10px;color:#b9d8ef;background:rgba(69,132,207,.1);font-size:12px}
    .chip.active{color:var(--cyan);border-color:var(--line-strong);background:rgba(99,221,255,.1)}
    .clear{border:0;background:transparent;color:var(--muted);font-size:12px;padding:7px 0}
    .clear:hover{color:var(--cyan)}
    .results-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;margin-top:24px}
    .results-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
    .results-head strong{font-size:15px}
    .results-head span{color:var(--quiet);font-size:12px}
    .result-list{display:grid;gap:12px}
    .result-card{display:grid;grid-template-columns:145px 1fr auto;gap:17px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:16px;background:var(--panel-soft);transition:.22s}
    .result-card:hover{transform:translateX(3px);border-color:var(--line-strong);box-shadow:0 14px 35px rgba(0,0,0,.2)}
    .visual{height:92px;border-radius:11px;background:linear-gradient(135deg,#102f50,#1d6a86 48%,#18255b);position:relative;overflow:hidden}
    .visual:after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,transparent 35%,rgba(99,221,255,.28),transparent 70%)}
    .visual span{position:absolute;left:10px;bottom:9px;color:#d9f7ff;font-size:11px;z-index:1}
    .result-card h3{font-size:16px;margin:0 0 5px}
    .result-card p{color:var(--muted);font-size:12px;margin:8px 0 0;line-height:1.6}
    .meta{display:flex;gap:7px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid var(--line);border-radius:8px;color:#b8ddff;background:rgba(75,140,220,.1);font-size:11px;white-space:nowrap}
    .tag.green{color:var(--green);border-color:rgba(110,231,183,.28)}
    .card-arrow{color:var(--cyan);font-size:19px}
    .preview{border:1px solid var(--line-strong);border-radius:20px;background:rgba(10,26,46,.82);padding:23px;position:sticky;top:100px;box-shadow:var(--shadow)}
    .preview-label{display:flex;justify-content:space-between;color:var(--quiet);font-size:11px;margin-bottom:26px}
    .preview h3{font-size:23px;margin-bottom:11px}
    .preview p{color:var(--muted);font-size:14px;line-height:1.8}
    .preview-list{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;display:grid;gap:11px}
    .preview-list div{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
    .preview-list b{color:var(--text);font-weight:600}
    .pagination{display:flex;align-items:center;gap:8px;margin-top:20px}
    .page-btn{min-width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:rgba(13,30,52,.7);color:var(--muted)}
    .page-btn:hover,.page-btn.active{border-color:var(--cyan);color:var(--cyan);background:rgba(99,221,255,.08)}
    .faq-section{padding:20px 0 90px}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}
    .faq-side p{color:var(--muted);font-size:15px;max-width:340px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;background:transparent;color:var(--text);border:0;text-align:left;padding:19px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-weight:700}
    .faq-q span:last-child{color:var(--cyan);font-size:20px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
    .faq-a p{padding:0 42px 19px 0;margin:0}
    .faq-item.open .faq-a{max-height:130px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .related{padding:0 0 92px}
    .related-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:18px;padding:23px 26px;background:rgba(13,30,52,.62)}
    .related-bar p{color:var(--muted);font-size:14px;margin:5px 0 0}
    footer{border-top:1px solid var(--line);background:rgba(4,11,21,.72);padding:38px 0 20px}
    .footer-grid{display:flex;justify-content:space-between;gap:35px}
    .footer-brand{font-weight:800;font-size:16px}
    .footer-brand p{font-size:13px;color:var(--muted);font-weight:400;margin:8px 0 0}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
    .footer-links a{color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:28px;padding-top:17px;color:var(--quiet);font-size:11px}
    @media(max-width:1024px){
      .nav{gap:15px}.brand{min-width:210px}.command-search{width:165px}
      .hero-layout{gap:35px}.filter-grid{grid-template-columns:1fr 1fr}
      .results-layout{grid-template-columns:1fr}.preview{position:static}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 36px),var(--max))}
      .nav{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:12px}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 18px;background:rgba(5,14,27,.96);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px}
      .command-search{width:42px;padding:0;justify-content:center}.command-search input,.command-search kbd{display:none}
      .nav-cta{display:none}.mobile-toggle{display:block}
      .page-hero{padding:52px 0 35px}.hero-layout{grid-template-columns:1fr;gap:32px}
      h1{font-size:40px}.hero-summary{border-left:0;border-top:1px solid var(--line-strong);padding:16px 0 0}
      .section{padding:40px 0 64px}.section-head,.related-bar{align-items:flex-start;flex-direction:column}
      .filter-grid{grid-template-columns:1fr}.result-card{grid-template-columns:92px 1fr}.result-card .card-arrow{display:none}
      .visual{height:82px}.faq-grid{grid-template-columns:1fr;gap:24px}.faq-section{padding-bottom:65px}
      .footer-grid,.copyright{flex-direction:column}.footer-links{gap:12px 18px}
    }
    @media(max-width:520px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .brand-mark{width:30px;height:30px}.brand-text small{font-size:9px}
      h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .console{padding:15px}.result-card{grid-template-columns:1fr}.visual{height:110px}
      .filter-console{padding:14px}.filter-line{align-items:flex-start;flex-direction:column}
      .chips{width:100%}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
      --bg:#07111f;
      --bg-deep:#040b15;
      --panel:rgba(13,30,52,.78);
      --panel-soft:rgba(17,41,69,.58);
      --line:rgba(145,190,232,.18);
      --line-strong:rgba(95,207,255,.42);
      --text:#edf7ff;
      --muted:#9bb1c9;
      --quiet:#6d8199;
      --cyan:#63ddff;
      --blue:#4f8dff;
      --violet:#8d7dff;
      --green:#6ee7b7;
      --danger:#ff8eaa;
      --shadow:0 22px 70px rgba(0,0,0,.32);
      --radius-lg:24px;
      --radius-md:16px;
      --max:1280px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;overflow-x:hidden;
      background-image:linear-gradient(rgba(92,145,198,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(92,145,198,.045) 1px,transparent 1px);
      background-size:44px 44px;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
      background:radial-gradient(circle at 78% 8%,rgba(53,137,255,.17),transparent 31%),radial-gradient(circle at 10% 62%,rgba(33,198,220,.07),transparent 28%);
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;object-fit:cover}
    .container{width:min(calc(100% - 44px),var(--max));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(5,14,27,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:248px}
    .brand-mark{width:34px;height:34px;border:1px solid var(--line-strong);border-radius:10px;display:grid;place-items:center;color:var(--cyan);box-shadow:0 0 25px rgba(99,221,255,.18);font-weight:800}
    .brand-text{font-size:14px;font-weight:800;line-height:1.25}
    .brand-text small{display:block;color:var(--quiet);font-size:10px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 13px;border:1px solid transparent;border-radius:10px;color:var(--muted);font-size:14px;transition:.22s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--text);background:rgba(99,221,255,.08);border-color:var(--line)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--cyan)}
    .command-search{height:42px;width:205px;display:flex;align-items:center;gap:9px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:rgba(8,23,40,.8);color:var(--quiet);transition:.2s}
    .command-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(99,221,255,.08)}
    .command-search input{width:100%;min-width:0;outline:0;border:0;background:transparent;color:var(--text);font-size:13px}
    .command-search kbd{border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:10px;color:var(--muted)}
    .mobile-toggle{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);width:42px;height:42px;border-radius:10px}
    .btn{min-height:46px;padding:0 19px;border-radius:11px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;transition:.22s}
    .btn-primary{color:#03121d;background:linear-gradient(110deg,var(--cyan),#72aaff);box-shadow:0 0 28px rgba(99,221,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(99,221,255,.38)}
    .btn-primary:active{transform:translateY(1px)}
    .btn-secondary{color:var(--text);border-color:var(--line-strong);background:rgba(15,38,65,.6)}
    .btn-secondary:hover{background:rgba(44,92,139,.35);border-color:var(--cyan)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(99,221,255,.75);outline-offset:3px}
    .hero{padding:86px 0 58px;position:relative}
    .hero:after{content:"";position:absolute;right:-8%;top:5%;width:55%;height:80%;background:radial-gradient(ellipse,rgba(58,134,255,.16),transparent 67%);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:66px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.05em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:1px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.5vw,68px);line-height:1.12;letter-spacing:-.045em;margin:18px 0 22px}
    h2{font-size:clamp(28px,3.5vw,42px);line-height:1.2;letter-spacing:-.03em;margin:10px 0}
    h3{line-height:1.35}
    .hero-copy{font-size:17px;color:var(--muted);max-width:570px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-note{display:flex;gap:22px;margin-top:27px;color:var(--quiet);font-size:12px}
    .hero-note strong{display:block;color:var(--text);font-size:16px;font-weight:700}
    .hero-panel{position:relative;border:1px solid var(--line-strong);border-radius:28px;padding:20px;background:rgba(7,19,34,.76);box-shadow:var(--shadow),inset 0 0 55px rgba(69,146,255,.08);backdrop-filter:blur(18px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;padding:4px 2px 16px;border-bottom:1px solid var(--line)}
    .panel-top strong{font-size:15px}
    .panel-top span{font-size:11px;color:var(--green)}
    .topic-track{display:flex;gap:9px;overflow:auto;padding:18px 0 12px;scrollbar-width:none}
    .topic-track::-webkit-scrollbar{display:none}
    .topic-chip{flex:0 0 auto;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--muted);font-size:12px;background:rgba(16,41,70,.55)}
    .topic-chip.active{color:var(--text);border-color:var(--cyan);background:rgba(99,221,255,.1)}
    .index-row{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;padding:17px 4px;border-bottom:1px solid var(--line)}
    .index-row:last-child{border-bottom:0}
    .index-no{color:var(--cyan);font-family:ui-monospace,monospace;font-size:12px}
    .index-row strong{display:block;font-size:15px}
    .index-row small{color:var(--muted);font-size:11px}
    .status{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:11px;white-space:nowrap}
    .status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-intro{max-width:575px;color:var(--muted);font-size:15px}
    .glass{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
    .index-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}
    .index-board{padding:26px}
    .board-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:12px}
    .board-head h3{font-size:20px;margin:0}
    .board-head span{color:var(--quiet);font-size:12px}
    .index-card{display:grid;grid-template-columns:50px 1fr auto;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
    .index-card:last-child{border-bottom:0}
    .index-card .number{font-size:13px;color:var(--cyan);font-family:ui-monospace,monospace}
    .index-card h3{font-size:15px;margin:0 0 4px}
    .index-card p{font-size:12px;color:var(--muted);margin:0}
    .index-card a{color:var(--cyan);font-size:12px}
    .signal-panel{padding:26px;min-height:100%}
    .signal-panel h3{font-size:20px;margin:0 0 20px}
    .signal-line{display:flex;align-items:center;gap:11px;margin:17px 0;color:var(--muted);font-size:13px}
    .signal-line b{margin-left:auto;color:var(--text);font-size:13px}
    .bar{height:7px;flex:1;border-radius:99px;background:rgba(139,180,220,.13);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 13px rgba(99,221,255,.42)}
    .signal-note{margin-top:28px;padding:15px;border:1px solid var(--line);border-radius:14px;background:rgba(9,26,46,.65);font-size:12px;color:var(--muted)}
    .comparison{display:grid;grid-template-columns:1fr 58px 1fr;gap:22px;align-items:stretch}
    .compare-box{padding:28px}
    .compare-box h3{font-size:21px;margin:0 0 8px}
    .compare-box>p{color:var(--muted);font-size:13px;margin-bottom:23px}
    .compare-point{display:flex;align-items:flex-start;gap:10px;border-top:1px solid var(--line);padding:14px 0;color:var(--muted);font-size:13px}
    .compare-point:before{content:"✓";color:var(--cyan);font-weight:800}
    .compare-point.alt:before{content:"•";color:var(--violet)}
    .compare-divider{display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:12px;letter-spacing:.1em;writing-mode:vertical-rl}
    .compare-divider span{padding:12px 8px;border:1px solid var(--line-strong);border-radius:99px;background:rgba(13,38,67,.8)}
    .rail{display:flex;gap:14px;overflow-x:auto;padding:5px 3px 18px;scroll-snap-type:x proximity;scrollbar-color:var(--line-strong) transparent}
    .rail-card{flex:0 0 275px;scroll-snap-align:start;min-height:190px;padding:22px;position:relative;overflow:hidden}
    .rail-card:after{content:"";position:absolute;width:150px;height:150px;right:-55px;bottom:-65px;border-radius:50%;background:rgba(99,221,255,.12);filter:blur(2px)}
    .rail-card .tag{margin-bottom:22px}
    .rail-card h3{font-size:18px;margin:0 0 8px}
    .rail-card p{color:var(--muted);font-size:13px;margin:0;max-width:215px}
    .rail-card strong{position:absolute;bottom:18px;right:20px;color:var(--cyan);font-size:13px}
    .tip-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .tip-card{padding:23px;border-left:2px solid var(--cyan)}
    .tip-card h3{font-size:16px;margin:0 0 8px}
    .tip-card p{color:var(--muted);font-size:13px;margin:0}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
    .faq-side p{color:var(--muted);font-size:15px;max-width:330px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;background:transparent;color:var(--text);border:0;text-align:left;padding:20px 0;display:flex;justify-content:space-between;gap:18px;font-weight:700}
    .faq-q span:last-child{color:var(--cyan);font-size:21px;transition:.2s}
    .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
    .faq-a>div{overflow:hidden;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{grid-template-rows:1fr}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .mini-cta{padding:35px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(110deg,rgba(20,58,94,.82),rgba(20,35,76,.72));border-color:var(--line-strong)}
    .mini-cta h2{font-size:27px;margin:0 0 8px}
    .mini-cta p{color:var(--muted);font-size:14px;margin:0}
    footer{padding:48px 0 25px;border-top:1px solid var(--line);background:rgba(3,11,21,.72)}
    .footer-grid{display:flex;justify-content:space-between;gap:30px}
    .footer-brand{font-size:17px;font-weight:800}
    .footer-brand p{font-size:13px;color:var(--muted);font-weight:400;margin:8px 0 0}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
    .footer-links a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-links a:hover,.footer-links a:focus-visible{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:15px;margin-top:34px;padding-top:18px;border-top:1px solid var(--line);font-size:11px;color:var(--quiet)}
    @media(max-width:1024px){
      .nav{gap:15px}.brand{min-width:220px}.command-search{width:170px}
      .hero-grid{gap:35px}.index-layout{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 36px),var(--max))}
      .nav{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:12px}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:76px;flex-direction:column;align-items:stretch;padding:12px;background:rgba(5,14,27,.97);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{padding:12px}
      .command-search{width:42px;padding:0;justify-content:center}.command-search input,.command-search kbd{display:none}
      .mobile-toggle{display:block}
      .nav>.btn-primary{display:none}
      .hero{padding:58px 0 35px}.hero-grid{grid-template-columns:1fr;gap:35px}
      h1{font-size:clamp(38px,10vw,52px)}
      .section{padding:62px 0}.section-head{display:block;margin-bottom:22px}
      .section-intro{margin-top:12px}
      .comparison{grid-template-columns:1fr;gap:13px}.compare-divider{height:32px;writing-mode:initial}
      .compare-divider span{padding:4px 16px}
      .faq-grid{grid-template-columns:1fr;gap:25px}
      .mini-cta{display:block;padding:28px 25px}.mini-cta .btn{margin-top:22px}
      .footer-grid{display:block}.footer-links{margin-top:22px}
      .copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      .hero-note{gap:14px}.hero-panel{padding:15px;border-radius:20px}
      .index-layout{gap:14px}.index-board,.signal-panel,.compare-box{padding:20px}
      .index-card{grid-template-columns:34px 1fr;gap:9px}.index-card a{grid-column:2}
      .tip-grid{grid-template-columns:1fr}.brand-mark{width:31px;height:31px}
      .brand-text small{font-size:9px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }