/* roulang page: index */
:root{
      --ink:#101828;
      --muted:#667085;
      --soft:#f5f7fa;
      --paper:#ffffff;
      --line:#e6eaf0;
      --navy:#0b1f3a;
      --navy-2:#102e50;
      --cyan:#29d3c2;
      --cyan-dark:#11a99d;
      --orange:#ff8b4a;
      --gold:#f4c96b;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);
      --shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(41,211,194,.42);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.045em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:550px;color:var(--muted);margin:0;font-size:15px}
    .section{padding:104px 0;position:relative}
    .section.compact{padding:78px 0}
    .dark{background:var(--navy);color:#fff}
    .dark .section-head p,.dark .muted{color:#b4c2d2}
    .light{background:var(--soft)}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff;font-weight:700}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}
    .brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .pulse{width:7px;height:7px;border-radius:50%;background:#21c59b;box-shadow:0 0 0 5px rgba(33,197,155,.13)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px);box-shadow:0 15px 30px rgba(41,211,194,.28)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .hero{min-height:680px;color:#fff;position:relative;overflow:hidden;background:var(--navy)}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(6,22,43,.96) 0%,rgba(8,28,51,.85) 45%,rgba(8,28,51,.38) 100%),url("/assets/images/backpic/back-1.webp");background-position:center;background-size:cover}
    .hero:after{content:"";position:absolute;width:550px;height:550px;border:1px solid rgba(41,211,194,.2);border-radius:50%;right:-130px;top:80px;box-shadow:0 0 0 48px rgba(41,211,194,.035),0 0 0 96px rgba(41,211,194,.025)}
    .hero-inner{position:relative;z-index:1;min-height:680px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(350px,.9fr);align-items:center;gap:70px;padding:75px 0}
    .hero-copy{max-width:690px}
    .hero .eyebrow{color:#75eee2}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.065em;margin:19px 0 25px;font-weight:900}
    .hero h1 span{color:var(--cyan)}
    .hero-lead{font-size:18px;color:#d2dce7;max-width:650px;margin:0 0 32px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;flex-wrap:wrap;gap:22px;color:#b9c8d6;font-size:13px}
    .hero-points strong{display:block;color:#fff;font-size:20px;line-height:1.2}
    .lead-form{background:rgba(255,255,255,.96);color:var(--ink);padding:28px;border-radius:24px;box-shadow:var(--shadow-deep);max-width:420px;justify-self:end}
    .lead-form h3{font-size:22px;margin:0 0 7px;letter-spacing:-.03em}
    .lead-form p{font-size:13px;color:var(--muted);margin:0 0 18px}
    .field{margin-bottom:12px}
    .field label{display:block;font-size:12px;color:#475467;font-weight:800;margin-bottom:5px}
    .field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fbfcfd;color:var(--ink);font-size:14px;transition:var(--ease)}
    .field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(41,211,194,.12);outline:none}
    .field textarea{min-height:82px;resize:vertical}
    .form-note{font-size:11px;color:#98a2b3;margin:13px 0 0;line-height:1.5}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:25px 22px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:var(--ease)}
    .metric:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ccefeb}
    .metric strong{font-size:34px;letter-spacing:-.07em;line-height:1;display:block;color:var(--navy)}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:12px}
    .metric small{display:block;color:var(--cyan-dark);font-size:11px;margin-top:8px;font-weight:700}
    .intro-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:75px;align-items:start}
    .intro-layout h2{font-size:clamp(30px,4vw,51px);line-height:1.15;letter-spacing:-.06em;margin:12px 0 22px}
    .intro-layout .large-copy{font-size:18px;color:#344054;line-height:1.9}
    .intro-body p{color:var(--muted);margin:0 0 18px}
    .quote-line{border-left:3px solid var(--cyan);padding:13px 0 13px 20px;font-size:18px;font-weight:750;color:var(--navy);margin:28px 0}
    .topic-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:245px 245px;gap:16px}
    .topic-card{position:relative;overflow:hidden;border-radius:var(--radius);min-height:180px;background:#183555;color:#fff}
    .topic-card:first-child{grid-row:span 2}
    .topic-card img{width:100%;height:100%;object-fit:cover;opacity:.67;transition:transform .5s ease}
    .topic-card:hover img{transform:scale(1.06);opacity:.78}
    .topic-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,17,34,.03),rgba(4,17,34,.9))}
    .topic-content{position:absolute;z-index:1;left:24px;right:22px;bottom:20px}
    .topic-content small{color:#8bf3e8;font-weight:800;font-size:12px}
    .topic-content h3{font-size:22px;line-height:1.2;margin:7px 0 5px;letter-spacing:-.04em}
    .topic-card:not(:first-child) .topic-content h3{font-size:17px}
    .topic-content p{font-size:12px;color:#d3dde8;margin:0;line-height:1.55}
    .service-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:stretch}
    .service-lead{background:var(--navy);border-radius:var(--radius);padding:37px;color:#fff;position:relative;overflow:hidden}
    .service-lead:after{content:"NG";position:absolute;right:-22px;bottom:-70px;font-size:180px;font-weight:900;color:rgba(255,255,255,.045)}
    .service-lead h2{font-size:37px;line-height:1.17;letter-spacing:-.06em;margin:12px 0 20px;position:relative;z-index:1}
    .service-lead p{color:#b8c7d6;font-size:14px;position:relative;z-index:1}
    .service-lead .btn{margin-top:25px;position:relative;z-index:1}
    .service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-item{padding:23px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:var(--ease)}
    .service-item:hover{border-color:#b9ede7;box-shadow:var(--shadow);transform:translateY(-4px)}
    .service-icon{width:38px;height:38px;border-radius:11px;background:#e9fbf8;color:var(--cyan-dark);display:grid;place-items:center;font-size:18px;font-weight:900;margin-bottom:17px}
    .service-item h3{font-size:17px;margin:0 0 6px}
    .service-item p{color:var(--muted);font-size:13px;line-height:1.65;margin:0}
    .news-shell{display:grid;grid-template-columns:1.25fr .75fr;gap:36px}
    .news-list{border-top:1px solid var(--line)}
    .news-row{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .news-date{font-size:13px;color:var(--cyan-dark);font-weight:800}
    .news-row h3{font-size:17px;margin:0 0 4px;line-height:1.35}
    .news-row p{font-size:13px;color:var(--muted);margin:0;line-height:1.5}
    .news-row .read{font-size:12px;color:var(--cyan-dark);font-weight:800;white-space:nowrap}
    .news-feature{border-radius:var(--radius);background:var(--navy);overflow:hidden;color:#fff}
    .news-feature img{height:188px;width:100%;object-fit:cover;opacity:.8}
    .news-feature-body{padding:25px}
    .news-feature-body small{color:#7ceee3;font-weight:800}
    .news-feature-body h3{font-size:24px;line-height:1.3;margin:10px 0}
    .news-feature-body p{color:#b7c5d5;font-size:13px;margin:0 0 19px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{border-radius:20px;padding:30px;border:1px solid var(--line);background:#fff}
    .compare-card.highlight{background:var(--navy);color:#fff;border-color:var(--navy)}
    .compare-card h3{font-size:23px;margin:0 0 10px}
    .compare-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .highlight p{color:#b9c7d5}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{padding:11px 0;border-top:1px solid var(--line);font-size:14px;display:flex;gap:10px}
    .highlight .check-list li{border-color:rgba(255,255,255,.14)}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:900}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
    .steps:before{content:"";height:1px;background:#bcebe6;position:absolute;top:25px;left:11%;right:11%}
    .step{position:relative;z-index:1}
    .step-num{width:50px;height:50px;display:grid;place-items:center;border-radius:50%;background:#fff;color:var(--navy);border:5px solid #d7faf6;font-weight:900;font-size:14px;margin-bottom:18px}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{color:var(--muted);font-size:14px;margin:0;max-width:300px}
    .app-layout{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .app-visual{min-height:380px;border-radius:var(--radius);position:relative;overflow:hidden;background:#17385c}
    .app-visual img{width:100%;height:100%;min-height:380px;object-fit:cover;opacity:.72}
    .app-badge{position:absolute;left:25px;bottom:23px;padding:13px 16px;border-radius:12px;background:rgba(4,19,37,.84);backdrop-filter:blur(12px);color:#fff;font-size:13px}
    .app-copy h2{font-size:42px;line-height:1.15;letter-spacing:-.06em;margin:12px 0 18px}
    .app-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
    .device-list{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
    .device-list span,.tag{border:1px solid #dce4eb;border-radius:30px;padding:7px 12px;color:#475467;font-size:12px;background:#fff}
    .trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .trust-box{padding:26px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.045)}
    .trust-box h3{font-size:18px;margin:0 0 8px}
    .trust-box p{font-size:13px;color:#b9c7d6;margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote-card{padding:26px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 9px 26px rgba(16,24,40,.04)}
    .quote-card p{font-size:15px;color:#475467;margin:0 0 20px;line-height:1.75}
    .quote-card strong{font-size:14px}
    .quote-card small{display:block;color:#98a2b3;font-size:12px;margin-top:2px}
    .rating{color:#f4b83f;letter-spacing:3px;font-size:13px;margin-bottom:12px}
    .membership{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .membership-intro h2{font-size:40px;line-height:1.15;letter-spacing:-.06em;margin:11px 0 18px}
    .membership-intro p{color:var(--muted);font-size:15px}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .plan{border:1px solid var(--line);border-radius:17px;padding:22px;background:#fff}
    .plan.featured{border:2px solid var(--cyan);position:relative;box-shadow:0 12px 30px rgba(41,211,194,.12)}
    .plan-label{font-size:11px;color:var(--cyan-dark);font-weight:900}
    .plan h3{font-size:19px;margin:7px 0}
    .plan .plan-copy{font-size:12px;color:var(--muted);min-height:55px}
    .plan ul{list-style:none;padding:0;margin:15px 0 0}
    .plan li{border-top:1px solid var(--line);padding:8px 0;font-size:12px;color:#475467}
    .plan li:before{content:"＋";color:var(--cyan-dark);font-weight:900;margin-right:5px}
    .faq-list{max-width:900px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;padding:21px 42px 21px 0;text-align:left;font-size:17px;font-weight:800;color:var(--ink);position:relative}
    .faq-question:after{content:"＋";position:absolute;right:5px;top:18px;color:var(--cyan-dark);font-size:22px;font-weight:400;transition:var(--ease)}
    .faq-item.open .faq-question:after{transform:rotate(45deg)}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .35s ease}
    .faq-answer p{margin:0 0 20px}
    .cta{padding:76px 0;background:#e9fbf8}
    .cta-box{border-radius:26px;background:var(--navy);color:#fff;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden;position:relative}
    .cta-box:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(41,211,194,.22);border-radius:50%;right:-75px;top:-90px}
    .cta-box h2{font-size:clamp(28px,4vw,45px);letter-spacing:-.06em;line-height:1.15;margin:9px 0 12px;position:relative;z-index:1}
    .cta-box p{color:#b7c7d7;max-width:610px;margin:0;position:relative;z-index:1}
    .cta-box .btn{position:relative;z-index:1;white-space:nowrap}
    .site-footer{background:#07152a;color:#b6c3d1;padding:56px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-size:22px;font-weight:900;margin-bottom:12px}
    .footer-brand span{color:var(--cyan)}
    .footer-intro{font-size:13px;line-height:1.8;max-width:310px}
    .footer-col h3{font-size:14px;color:#fff;margin:3px 0 15px}
    .footer-col a{display:block;font-size:13px;margin:8px 0;color:#a9b8c8}
    .footer-col a:hover{color:var(--cyan)}
    .footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:#8192a5}
    .footer-bottom a{color:#a9b8c8}
    .footer-bottom a:hover{color:var(--cyan)}
    .notice{font-size:12px;color:#8fa0b2;line-height:1.7;margin-top:14px}
    @media(max-width:1050px){
      .main-nav{gap:0}.main-nav a{padding:8px 8px;font-size:13px}
      .nav-status{display:none}.hero-inner{gap:35px}.container{width:min(100% - 36px,1180px)}
      .topic-grid{grid-template-columns:1.1fr .9fr;grid-template-rows:220px 220px}.topic-card:first-child{grid-row:span 2}
    }
    @media(max-width:800px){
      .topbar{display:none}.nav-shell{height:68px}.menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
      .nav-actions .btn{display:none}.hero,.hero-inner{min-height:auto}.hero-inner{grid-template-columns:1fr;padding:76px 0 70px}
      .lead-form{justify-self:stretch;max-width:none}.hero h1{font-size:clamp(42px,11vw,68px)}
      .section{padding:75px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:15px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}.intro-layout,.service-layout,.news-shell,.app-layout,.membership{grid-template-columns:1fr;gap:30px}
      .topic-grid{grid-template-columns:1fr 1fr;grid-template-rows:230px 180px 180px}.topic-card:first-child{grid-column:span 2;grid-row:auto}
      .steps{grid-template-columns:1fr;gap:25px}.steps:before{width:1px;height:78%;left:24px;top:25px;right:auto}
      .step{display:grid;grid-template-columns:50px 1fr;column-gap:17px}.step-num{grid-row:span 2;margin:0}.step p{max-width:none}
      .quote-grid{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr}
      .cta-box{display:block;padding:36px 28px}.cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 30px)}.brand-name{font-size:20px}.brand-mark{width:34px;height:34px}
      .hero-lead{font-size:16px}.hero-actions .btn{width:100%}.hero-points{gap:15px}
      .metric{padding:20px 15px}.metric strong{font-size:28px}.metric span{font-size:12px}
      .topic-grid{display:block}.topic-card{height:205px;margin-bottom:12px}.topic-card:first-child{height:250px}
      .service-list{grid-template-columns:1fr}.news-row{grid-template-columns:70px 1fr;gap:12px}.news-row .read{grid-column:2}
      .compare{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr}.app-copy h2,.membership-intro h2{font-size:34px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 16px}.footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}.footer-bottom div{margin-bottom:8px}
    }

/* roulang page: category1 */
:root{--ink:#101828;--muted:#667085;--soft:#f5f7fa;--paper:#fff;--line:#e6eaf0;--navy:#0b1f3a;--navy2:#102e50;--cyan:#29d3c2;--cyan-dark:#11a99d;--orange:#ff8b4a;--gold:#f4c96b;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(16,24,40,.09);--deep:0 24px 70px rgba(5,20,42,.22);--ease:all .28s cubic-bezier(.2,.75,.25,1)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;max-width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 48px));margin:auto}.topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}.topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}.topbar strong{color:#fff}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}.brand-name{font-size:23px;font-weight:900;letter-spacing:-.06em}.brand-name em{font-style:normal;color:var(--cyan-dark)}.main-nav{display:flex;align-items:center;gap:3px}.main-nav a{padding:9px 11px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}.main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}.nav-actions{display:flex;align-items:center;gap:10px}.nav-status{font-size:12px;color:var(--cyan-dark);white-space:nowrap}.nav-status i{display:inline-block;width:7px;height:7px;background:var(--cyan);border-radius:50%;margin-right:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}.btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}.btn-primary:hover{background:#54e0d2;transform:translateY(-2px)}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--navy2);transform:translateY(-2px)}.btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}.btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .hero{position:relative;min-height:500px;color:#fff;background:var(--navy);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,22,43,.96),rgba(8,28,51,.72),rgba(8,28,51,.3)),url("/assets/images/backpic/back-2.webp") center/cover}.hero-inner{position:relative;z-index:1;min-height:500px;display:grid;grid-template-columns:1fr 390px;align-items:center;gap:70px;padding:65px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}.eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}.hero .eyebrow{color:#75eee2}.hero h1{font-size:clamp(40px,6vw,70px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 20px;font-weight:900}.hero h1 span{color:var(--cyan)}.hero p{max-width:650px;color:#d2dce7;font-size:18px;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px}.hero .btn-outline{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff}.hero .btn-outline:hover{background:#fff;color:var(--navy)}.score-board{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:25px;box-shadow:var(--deep)}.board-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-bottom:20px}.live-dot{color:#e85d45;font-weight:800}.live-dot:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#e85d45;margin-right:6px}.teams{display:grid;grid-template-columns:1fr 72px 1fr;align-items:center;text-align:center;gap:8px}.team-badge{width:46px;height:46px;border-radius:15px;background:#edf3f8;color:var(--navy);display:grid;place-items:center;font-weight:900;margin:0 auto 8px}.team-name{font-size:13px;font-weight:800}.score{font-size:34px;line-height:1;font-weight:900;color:var(--navy)}.board-foot{border-top:1px solid var(--line);margin-top:22px;padding-top:15px;display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.section{padding:88px 0}.section.compact{padding:65px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;letter-spacing:-.05em;margin:9px 0 0;font-weight:900}.section-head p{max-width:540px;color:var(--muted);margin:0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:24px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:0 9px 25px rgba(16,24,40,.04)}.metric strong{display:block;font-size:30px;color:var(--navy);line-height:1.2}.metric span{font-size:13px;color:var(--muted)}.matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.matrix-card{border-radius:var(--radius);padding:32px;background:var(--soft);min-height:260px}.matrix-card.dark{background:var(--navy);color:#fff}.matrix-card h3{font-size:25px;margin:12px 0}.matrix-card p{color:var(--muted);max-width:500px}.matrix-card.dark p{color:#c7d5e2}.tag-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.tag{padding:7px 12px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:700}.dark .tag,.matrix-card.dark .tag{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.15);color:#dbe8f2}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}.split img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.split h2{font-size:clamp(28px,4vw,43px);line-height:1.16;margin:12px 0 18px;letter-spacing:-.05em}.split p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{padding:11px 0 11px 29px;border-bottom:1px solid var(--line);position:relative;color:#344054}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan-dark);font-weight:900}.dark-section{background:var(--navy);color:#fff}.dark-section .section-head p{color:#b9c8d6}.event-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.event{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:21px}.event time{font-size:12px;color:var(--cyan)}.event h3{font-size:18px;margin:12px 0 7px}.event p{font-size:13px;color:#b9c8d6;margin:0}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.compare-card{padding:28px;border-radius:var(--radius);border:1px solid var(--line)}.compare-card.highlight{background:#eafaf8;border-color:#b8eee7}.compare-card h3{margin:0 0 18px;font-size:21px}.compare-card ul{list-style:none;margin:0;padding:0}.compare-card li{padding:11px 0;border-bottom:1px solid rgba(150,160,175,.25);font-size:14px}.compare-card li:last-child{border:0}.compare-card li span{float:right;color:var(--cyan-dark);font-weight:900}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);position:relative}.step b{font-size:34px;color:#ccefeb;display:block;line-height:1}.step h3{font-size:17px;margin:15px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}.faq-list{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{display:flex;justify-content:space-between;align-items:center;padding:21px 0;font-size:17px;font-weight:800;cursor:pointer}.faq-q span{color:var(--cyan-dark);font-size:24px;transition:var(--ease)}.faq-a{display:none;color:var(--muted);padding:0 40px 20px 0;font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}.cta{background:linear-gradient(105deg,var(--navy),#173d60);color:#fff;border-radius:var(--radius);padding:45px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:clamp(27px,4vw,42px);line-height:1.15;margin:0 0 10px;letter-spacing:-.05em}.cta p{color:#bdcddd;margin:0}.site-footer{background:#07152a;color:#a9bdd0;padding:65px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:38px}.footer-brand{font-size:24px;color:#fff;font-weight:900}.footer-brand span{color:var(--cyan)}.footer-intro{font-size:13px;max-width:350px;margin:15px 0;color:#a9bdd0}.notice{font-size:12px;color:#71869a}.footer-col{display:flex;flex-direction:column;gap:10px;font-size:13px}.footer-col h3{color:#fff;font-size:14px;margin:0 0 8px}.footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid rgba(255,255,255,.11);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:11px}.mobile-hide{display:block}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.nav-status{display:none}.hero-inner{gap:35px}.metrics{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.topbar .container{font-size:11px}.topbar .mobile-hide{display:none}.nav-shell{height:68px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:78px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.nav-actions .btn{display:none}.hero-inner{grid-template-columns:1fr;padding:58px 0}.score-board{max-width:410px;justify-self:start}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:15px}.matrix,.split{grid-template-columns:1fr;gap:24px}.split img{height:280px}.event-list,.steps{grid-template-columns:repeat(2,1fr)}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom div+div{margin-top:10px}}
    @media(max-width:520px){.hero h1{font-size:42px}.hero p{font-size:16px}.metrics,.event-list,.steps,.compare{grid-template-columns:1fr}.metric{padding:19px}.matrix-card{padding:24px}.section-head h2{font-size:31px}.footer-grid{grid-template-columns:1fr}.footer-col{margin-top:10px}.actions .btn{width:100%}}

/* roulang page: category3 */
:root{
      --ink:#101828;
      --muted:#667085;
      --soft:#f5f7fa;
      --paper:#fff;
      --line:#e6eaf0;
      --navy:#0b1f3a;
      --navy-2:#102e50;
      --cyan:#29d3c2;
      --cyan-dark:#11a99d;
      --orange:#ff8b4a;
      --gold:#f4c96b;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);
      --shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}
    .brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .nav-status i{display:inline-block;width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(41,211,194,.14)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px);box-shadow:0 15px 30px rgba(41,211,194,.28)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .hero-inner{min-height:520px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;padding:80px 0;color:#fff;position:relative;z-index:1}
    .page-hero{position:relative;overflow:hidden;background:var(--navy)}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,22,43,.97),rgba(8,28,51,.82),rgba(8,28,51,.38)),url("/assets/images/backpic/back-2.webp") center/cover}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .hero .eyebrow{color:#75eee2}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 23px;font-weight:900}
    .hero h1 span{color:var(--cyan)}
    .hero-lead{font-size:18px;color:#d2dce7;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-panel{background:rgba(255,255,255,.96);color:var(--ink);padding:27px;border-radius:24px;box-shadow:var(--shadow-deep);max-width:430px;justify-self:end}
    .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .panel-top strong{font-size:19px}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#eafaf8;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .team-row{display:flex;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
    .team-row:last-child{border-bottom:0}
    .team-icon{width:42px;height:42px;border-radius:13px;background:#eef3f8;color:var(--navy);display:grid;place-items:center;font-weight:900}
    .team-row strong{display:block;font-size:14px}
    .team-row small{color:var(--muted);font-size:12px}
    .team-score{margin-left:auto;text-align:right;font-weight:900;color:var(--navy)}
    .section{padding:92px 0;position:relative}
    .section.compact{padding:68px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.045em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:560px;color:var(--muted);margin:0;font-size:15px}
    .muted{color:var(--muted)}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .metric strong{display:block;font-size:31px;letter-spacing:-.05em;color:var(--navy)}
    .metric span{font-size:13px;color:var(--muted)}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head p{color:#b4c2d2}
    .matrix{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .matrix-main{border-radius:var(--radius);overflow:hidden;min-height:365px;position:relative}
    .matrix-main img{width:100%;height:100%;object-fit:cover;opacity:.72}
    .matrix-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,22,43,.94),transparent 70%)}
    .matrix-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:27px}
    .matrix-copy h3{font-size:28px;margin:0 0 7px}
    .matrix-copy p{color:#c3d0db;margin:0;max-width:570px}
    .matrix-side{display:grid;gap:14px}
    .service-card,.info-card,.faq-item,.contact-box{border:1px solid var(--line);border-radius:18px;background:#fff;padding:23px;transition:var(--ease)}
    .dark-section .service-card{background:#102e50;border-color:rgba(255,255,255,.1)}
    .service-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .service-card h3,.info-card h3{font-size:18px;margin:0 0 7px}
    .service-card p,.info-card p{color:var(--muted);font-size:14px;margin:0}
    .dark-section .service-card p{color:#b4c2d2}
    .service-num{color:var(--cyan);font-weight:900;font-size:13px;margin-bottom:12px}
    .split{display:grid;grid-template-columns:.86fr 1.14fr;gap:60px;align-items:center}
    .split.reverse{grid-template-columns:1.14fr .86fr}
    .split img{width:100%;height:380px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .prose h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.05em;margin:11px 0 18px}
    .prose p{color:var(--muted);margin:0 0 17px}
    .check-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;align-items:flex-start;font-weight:700}
    .check-list li:before{content:"✓";width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;background:#eafaf8;color:var(--cyan-dark);font-size:12px}
    .comparison{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .compare-card{padding:25px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
    .compare-card.highlight{background:var(--navy);color:#fff;border-color:var(--navy)}
    .compare-card h3{margin:0 0 18px;font-size:19px}
    .compare-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .compare-card.highlight p{color:#c5d1dc}
    .progress{height:7px;background:#dfe8ee;border-radius:20px;overflow:hidden;margin:8px 0 16px}
    .progress i{height:100%;display:block;background:var(--cyan);border-radius:20px}
    .compare-card small{color:var(--muted)}
    .compare-card.highlight small{color:#b4c2d2}
    .profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .profile-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 9px 25px rgba(16,24,40,.04)}
    .profile-card img{height:205px;width:100%;object-fit:cover}
    .profile-body{padding:20px}
    .profile-body h3{margin:0 0 4px;font-size:19px}
    .profile-body p{font-size:14px;color:var(--muted);margin:0 0 14px}
    .profile-meta{display:flex;justify-content:space-between;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .timeline-item{padding:23px 20px 0;border-right:1px solid var(--line);position:relative}
    .timeline-item:last-child{border-right:0}
    .timeline-item:before{content:"";position:absolute;top:-5px;left:20px;width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px #eafaf8}
    .timeline-item strong{display:block;color:var(--navy);font-size:16px;margin-bottom:8px}
    .timeline-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-item button{width:100%;border:0;background:transparent;text-align:left;padding:20px 23px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-item button span:last-child{color:var(--cyan-dark);font-size:22px;line-height:1}
    .faq-answer{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta{background:#eafaf8;padding:55px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(27px,4vw,42px);letter-spacing:-.05em;line-height:1.2;margin:0 0 10px}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .site-footer{background:#07152a;color:#dce6ef;padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:45px}
    .footer-brand{font-size:24px;font-weight:900;color:#fff;margin-bottom:15px}
    .footer-brand span{color:var(--cyan)}
    .footer-intro,.notice{color:#9eb1c2;font-size:13px;max-width:390px}
    .notice{padding-top:12px;border-top:1px solid rgba(255,255,255,.1)}
    .footer-col{display:flex;flex-direction:column;gap:10px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 8px}
    .footer-col a{font-size:13px;color:#9eb1c2}
    .footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}
    .footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#8297aa;font-size:12px}
    :focus-visible{outline:3px solid rgba(41,211,194,.5);outline-offset:3px}
    @media(max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:12px}
      .nav-status{display:none}.hero-inner{gap:35px}.container{width:min(100% - 36px,1180px)}
    }
    @media(max-width:768px){
      .topbar .container{justify-content:center}.topbar .container span{display:none}
      .nav-shell{height:68px}.menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:76px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
      .nav-actions .btn{display:none}
      .hero-inner,.split,.split.reverse,.matrix,.faq-grid{grid-template-columns:1fr}
      .hero-inner{padding:65px 0;min-height:0}.hero-panel{justify-self:stretch;max-width:none}
      .metric-strip,.profile-grid,.comparison{grid-template-columns:repeat(2,1fr)}
      .section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:15px}
      .split img{height:300px}.timeline{grid-template-columns:repeat(2,1fr);border-top:0;gap:18px}
      .timeline-item{border:0;border-top:1px solid var(--line);padding-top:20px}
      .timeline-item:before{top:-5px;left:20px}
      .cta{padding:35px 25px;display:block}.cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}.footer-bottom{display:block}.footer-bottom div+div{margin-top:10px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.brand-name{font-size:20px}
      .hero h1{font-size:43px}.hero-lead{font-size:16px}
      .metric-strip,.profile-grid,.comparison{grid-template-columns:1fr}
      .topic-grid{grid-template-columns:1fr;height:auto}.topic-card:first-child{grid-row:auto}
      .split img{height:240px}.footer-grid{grid-template-columns:1fr}
      .footer-bottom{font-size:11px}.hero-actions .btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --ink:#101828;
      --muted:#667085;
      --soft:#f5f7fa;
      --paper:#ffffff;
      --line:#e6eaf0;
      --navy:#0b1f3a;
      --navy-2:#102e50;
      --cyan:#29d3c2;
      --cyan-dark:#11a99d;
      --orange:#ff8b4a;
      --gold:#f4c96b;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);
      --shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .section{padding:96px 0;position:relative}
    .section.compact{padding:70px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.045em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:550px;color:var(--muted);margin:0;font-size:15px}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff;font-weight:700}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}
    .brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .pulse{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(41,211,194,.15);animation:pulse 2s infinite}
    @keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(41,211,194,.14)}50%{box-shadow:0 0 0 9px rgba(41,211,194,0)}}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px);box-shadow:0 15px 30px rgba(41,211,194,.28)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .hero{min-height:600px;color:#fff;position:relative;overflow:hidden;background:var(--navy)}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(6,22,43,.97) 0%,rgba(8,28,51,.85) 48%,rgba(8,28,51,.38) 100%),url("/assets/images/backpic/back-2.webp");background-position:center;background-size:cover}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(41,211,194,.2);border-radius:50%;right:-140px;top:44px;box-shadow:0 0 0 48px rgba(41,211,194,.035),0 0 0 96px rgba(41,211,194,.025)}
    .hero-inner{position:relative;z-index:1;min-height:600px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:center;gap:70px;padding:72px 0}
    .hero-copy{max-width:650px}
    .hero .eyebrow{color:#75eee2}
    .hero h1{font-size:clamp(42px,6vw,74px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 24px;font-weight:900}
    .hero h1 span{color:var(--cyan)}
    .hero-lead{font-size:18px;color:#d2dce7;max-width:640px;margin:0 0 29px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;flex-wrap:wrap;gap:24px;color:#b9c8d6;font-size:13px}
    .hero-points strong{display:block;color:#fff;font-size:20px;line-height:1.2}
    .invite-panel{background:rgba(255,255,255,.96);color:var(--ink);padding:27px;border-radius:24px;box-shadow:var(--shadow-deep);max-width:430px;justify-self:end}
    .invite-panel h3{font-size:23px;margin:0 0 7px;letter-spacing:-.04em}
    .invite-panel p{font-size:13px;color:var(--muted);margin:0 0 19px}
    .status-line{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:8px}
    .status-line strong{color:var(--navy);font-size:14px}
    .progress{height:9px;background:#edf1f4;border-radius:20px;overflow:hidden;margin-bottom:20px}
    .progress span{display:block;width:72%;height:100%;background:linear-gradient(90deg,var(--cyan-dark),var(--cyan));border-radius:20px}
    .reward-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 20px}
    .reward{border:1px solid var(--line);border-radius:13px;padding:12px;background:#fbfcfd}
    .reward b{display:block;font-size:15px;margin-bottom:2px}
    .reward small{color:var(--muted);font-size:11px}
    .metric-band{margin-top:-42px;position:relative;z-index:3}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px 21px;box-shadow:var(--shadow)}
    .metric-card small{color:var(--muted);font-size:12px}
    .metric-card strong{display:block;color:var(--navy);font-size:30px;line-height:1.2;letter-spacing:-.06em;margin:4px 0}
    .metric-card span{color:var(--cyan-dark);font-size:12px;font-weight:700}
    .intro-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:72px;align-items:start}
    .intro-layout h2{font-size:clamp(29px,4vw,49px);line-height:1.15;letter-spacing:-.05em;margin:11px 0 0}
    .intro-body p{color:var(--muted);margin:0 0 18px}
    .quote-box{border-left:3px solid var(--cyan);padding:5px 0 5px 20px;color:var(--navy);font-size:21px;font-weight:800;line-height:1.45;margin-top:24px}
    .matrix-section{background:var(--soft)}
    .matrix-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:38px;align-items:stretch}
    .matrix-lead{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;justify-content:space-between;min-height:430px;overflow:hidden;position:relative}
    .matrix-lead:after{content:"NG";position:absolute;right:-24px;bottom:-45px;color:rgba(41,211,194,.1);font-size:190px;font-weight:900;line-height:1}
    .matrix-lead h3{font-size:31px;line-height:1.2;margin:14px 0 15px;letter-spacing:-.05em;position:relative;z-index:1}
    .matrix-lead p{color:#c4d2df;font-size:14px;position:relative;z-index:1}
    .matrix-tag{color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.12em}
    .matrix-note{display:flex;gap:12px;align-items:center;color:#d7e5ed;font-size:13px;position:relative;z-index:1}
    .matrix-note i{width:30px;height:30px;border-radius:9px;background:rgba(41,211,194,.15);display:grid;place-items:center;color:var(--cyan);font-style:normal}
    .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .service-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;min-height:205px;transition:var(--ease)}
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(41,211,194,.55)}
    .service-icon{width:43px;height:43px;border-radius:13px;background:#eafaf8;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;font-size:18px;margin-bottom:17px}
    .service-card h3{margin:0 0 7px;font-size:19px;letter-spacing:-.03em}
    .service-card p{color:var(--muted);font-size:13px;margin:0}
    .compare-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{border-radius:var(--radius);padding:32px;min-height:280px}
    .compare-card.before{background:#f7f8fa;border:1px solid var(--line)}
    .compare-card.after{background:#eafaf8;border:1px solid #c5eee9}
    .compare-card h3{font-size:22px;margin:0 0 18px}
    .compare-card ul{list-style:none;margin:0;padding:0}
    .compare-card li{display:flex;gap:11px;padding:10px 0;border-bottom:1px solid rgba(16,24,40,.08);font-size:14px;color:#536174}
    .compare-card li:last-child{border-bottom:0}
    .compare-card li b{color:var(--cyan-dark)}
    .story-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
    .story-image{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow)}
    .story-image img{width:100%;height:430px;object-fit:cover;transition:transform .6s ease}
    .story-image:hover img{transform:scale(1.04)}
    .image-caption{position:absolute;left:20px;bottom:18px;right:20px;background:rgba(11,31,58,.84);color:#fff;border-radius:13px;padding:13px 16px;font-size:13px}
    .story-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.05em;margin:10px 0 18px}
    .story-copy p{color:var(--muted);margin:0 0 18px}
    .check-list{list-style:none;padding:0;margin:24px 0 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;margin:13px 0;color:#445267;font-size:14px}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 22px;height:22px;background:#eafaf8;color:var(--cyan-dark);border-radius:7px;font-weight:900}
    .scenario-section{background:var(--navy);color:#fff}
    .scenario-section .section-head p{color:#b7c8d8}
    .scenario-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:190px 190px;gap:15px}
    .scenario-card{position:relative;overflow:hidden;border-radius:18px;background:#163555;min-height:170px}
    .scenario-card:first-child{grid-row:span 2}
    .scenario-card img{width:100%;height:100%;object-fit:cover;opacity:.54;transition:transform .5s ease}
    .scenario-card:hover img{transform:scale(1.06);opacity:.68}
    .scenario-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,23,43,.02),rgba(7,23,43,.92))}
    .scenario-content{position:absolute;z-index:1;left:22px;right:22px;bottom:19px}
    .scenario-content span{font-size:11px;color:var(--cyan);font-weight:800;letter-spacing:.1em}
    .scenario-content h3{font-size:22px;line-height:1.2;margin:7px 0 5px}
    .scenario-card:not(:first-child) .scenario-content h3{font-size:17px}
    .scenario-content p{font-size:12px;color:#c3d0dd;margin:0}
    .flow-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:60px}
    .flow-intro h2{font-size:clamp(30px,4vw,47px);line-height:1.14;letter-spacing:-.05em;margin:10px 0 16px}
    .flow-intro p{color:var(--muted);font-size:15px}
    .flow-list{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
    .flow-item{display:grid;grid-template-columns:40px 1fr;gap:15px;padding:0 0 27px;position:relative}
    .flow-item:nth-child(odd):after{content:"";position:absolute;left:19px;top:42px;bottom:0;width:1px;background:var(--line)}
    .flow-item:nth-child(2n):after{display:none}
    .flow-num{width:39px;height:39px;border-radius:50%;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-weight:900;position:relative;z-index:1}
    .flow-item h3{font-size:17px;margin:4px 0 5px}
    .flow-item p{font-size:13px;color:var(--muted);margin:0}
    .insight-section{background:#f7f9fb}
    .insight-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .insight-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:29px}
    .insight-panel h3{margin:0 0 18px;font-size:21px}
    .bar-row{display:grid;grid-template-columns:100px 1fr 47px;gap:12px;align-items:center;margin:17px 0;font-size:13px;color:#536174}
    .bar{height:9px;border-radius:10px;background:#edf1f4;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:10px;background:var(--cyan)}
    .bar-row:nth-child(3) .bar i{background:var(--orange)}
    .bar-row:nth-child(4) .bar i{background:var(--gold)}
    .bar-row strong{text-align:right;color:var(--navy)}
    .evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .evidence-card{border:1px solid var(--line);border-radius:17px;padding:24px;background:#fff}
    .evidence-card .quote{font-size:16px;line-height:1.7;color:#344054;margin:0 0 20px}
    .evidence-card .person{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:12px}
    .avatar{width:35px;height:35px;border-radius:50%;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-weight:800}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
    .faq-layout h2{font-size:clamp(30px,4vw,47px);line-height:1.15;letter-spacing:-.05em;margin:10px 0 15px}
    .faq-layout p{color:var(--muted)}
    .faq-list details{border-bottom:1px solid var(--line);padding:20px 0}
    .faq-list summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";color:var(--cyan-dark);font-size:24px;font-weight:400;line-height:1}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list details p{font-size:14px;margin:13px 35px 0 0;color:var(--muted)}
    .cta{background:var(--cyan);position:relative;overflow:hidden}
    .cta:after{content:"NG体育";position:absolute;right:5%;bottom:-45px;font-weight:900;font-size:125px;color:rgba(255,255,255,.17);line-height:1}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{font-size:clamp(29px,4vw,48px);line-height:1.14;letter-spacing:-.05em;margin:0 0 10px;color:#062d31}
    .cta p{color:#155d5d;max-width:660px;margin:0}
    .cta .btn-dark{white-space:nowrap}
    .site-footer{background:#07152a;color:#a9b9c8;padding:68px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:35px;padding-bottom:48px}
    .footer-brand{font-size:24px;font-weight:900;color:#fff;margin-bottom:15px}
    .footer-brand span{color:var(--cyan)}
    .footer-intro{font-size:13px;line-height:1.8;max-width:340px;margin:0 0 12px}
    .notice{font-size:11px;color:#70849a;margin:0;line-height:1.7}
    .footer-col h3{font-size:14px;color:#fff;margin:4px 0 15px}
    .footer-col a{display:block;font-size:13px;color:#98abbd;margin:9px 0}
    .footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.11);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:#71869a}
    .footer-bottom a:hover{color:var(--cyan)}
    .reveal{animation:rise .7s both}
    @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
    :focus-visible{outline:3px solid rgba(41,211,194,.55);outline-offset:3px}
    @media(max-width:1100px){
      .main-nav a{padding:8px 8px;font-size:13px}
      .nav-status{display:none}
      .hero-inner{gap:35px}
    }
    @media(max-width:860px){
      .container{width:min(100% - 36px,680px)}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:70px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-actions .btn{display:none}
      .hero-inner,.intro-layout,.matrix-layout,.story-layout,.flow-layout,.faq-layout{grid-template-columns:1fr;gap:34px}
      .hero-inner{padding:65px 0;min-height:auto}
      .hero{min-height:auto}
      .invite-panel{justify-self:stretch;max-width:none}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .story-image img{height:350px}
      .scenario-grid{grid-template-columns:1fr 1fr;grid-template-rows:230px 170px}
      .scenario-card:first-child{grid-row:auto;grid-column:span 2}
      .flow-list{grid-template-columns:1fr}
      .flow-item:nth-child(odd):after{display:none}
      .evidence-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:first-child{grid-column:span 3}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .topbar .container{font-size:10px}
      .topbar .container span{display:none}
      .nav-shell{height:70px}
      .brand-name{font-size:21px}
      .hero h1{font-size:43px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .metric-grid,.service-grid,.compare-layout,.insight-layout{grid-template-columns:1fr}
      .metric-card strong{font-size:26px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:15px}
      .matrix-lead{min-height:360px;padding:27px}
      .scenario-grid{display:block}
      .scenario-card,.scenario-card:first-child{height:220px;margin-bottom:12px}
      .story-image img{height:270px}
      .reward-list{grid-template-columns:1fr}
      .cta:after{font-size:74px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block;line-height:1.9}
      .footer-bottom>div+div{margin-top:8px}
    }

/* roulang page: category5 */
:root{
      --ink:#101828;--muted:#667085;--soft:#f5f7fa;--paper:#fff;--line:#e6eaf0;
      --navy:#0b1f3a;--navy-2:#102e50;--cyan:#29d3c2;--cyan-dark:#11a99d;
      --orange:#ff8b4a;--gold:#f4c96b;--radius:22px;--radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);--shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}.brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .pulse{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(41,211,194,.14)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px)}
    .btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}.btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;min-height:430px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,22,43,.96),rgba(8,28,51,.72),rgba(8,28,51,.3)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero-inner{position:relative;z-index:1;padding:76px 0 82px;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .hero .eyebrow{color:#75eee2}.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 22px;font-weight:900}.hero h1 span{color:var(--cyan)}
    .hero-lead{font-size:18px;color:#d2dce7;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-note{border-left:2px solid var(--cyan);padding-left:22px;color:#d3e0e9;font-size:15px;max-width:330px}
    .section{padding:90px 0}.section.compact{padding:68px 0}.soft{background:var(--soft)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.045em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:550px;color:var(--muted);margin:0;font-size:15px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 10px 28px rgba(16,24,40,.04)}
    .metric b{font-size:32px;letter-spacing:-.06em;color:var(--navy);display:block}.metric span{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}.split img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .copy h2{font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.05em;margin:12px 0 20px}.copy p{color:var(--muted);margin:0 0 17px}
    .check-list{list-style:none;margin:25px 0 0;padding:0}.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--line);font-weight:700}.check-list li:before{content:"✓";position:absolute;left:0;top:9px;color:var(--cyan-dark);font-weight:900}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.matrix-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:220px;transition:var(--ease)}.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9eee8}.icon{width:42px;height:42px;border-radius:13px;background:#eafaf8;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;font-size:19px}.matrix-card h3{margin:21px 0 8px;font-size:20px}.matrix-card p{color:var(--muted);font-size:14px;margin:0}
    .dark{background:var(--navy);color:#fff}.dark .section-head p{color:#b4c2d2}.dark .eyebrow{color:#75eee2}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-box{border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.06);border-radius:var(--radius);padding:30px}.compare-box.highlight{background:#fff;color:var(--ink);border-color:var(--cyan)}.compare-box h3{margin:0 0 18px;font-size:22px}.compare-box ul{list-style:none;margin:0;padding:0}.compare-box li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#c5d2df}.compare-box.highlight li{border-color:var(--line);color:var(--muted)}.compare-box li strong{color:var(--cyan)}.highlight li strong{color:var(--cyan-dark)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 20px 10px 0;position:relative}.step:before{content:"";width:12px;height:12px;background:var(--cyan);border-radius:50%;position:absolute;top:-6px;left:0;box-shadow:0 0 0 5px #eafaf8}.step b{display:block;margin:4px 0 10px;padding-left:22px;color:var(--navy)}.step p{font-size:14px;color:var(--muted);margin:0}
    .quote{background:#f0fbfa;border-radius:var(--radius);padding:38px 46px;display:grid;grid-template-columns:80px 1fr;gap:25px;align-items:center}.quote-mark{font-size:76px;line-height:1;color:var(--cyan);font-family:Georgia}.quote p{font-size:21px;line-height:1.6;margin:0;color:var(--navy);font-weight:700}.quote small{display:block;color:var(--muted);margin-top:13px;font-size:13px}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-list summary:after{content:"+";color:var(--cyan-dark);font-size:22px}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:var(--muted);font-size:14px;margin:12px 0 2px}
    .cta{background:linear-gradient(110deg,var(--navy),#153a5d);color:#fff;border-radius:var(--radius);padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:35px}.cta h2{font-size:clamp(27px,4vw,42px);margin:0 0 9px;letter-spacing:-.05em}.cta p{color:#b9c8d6;margin:0;max-width:650px}
    .site-footer{background:#07152a;color:#a9bdd0;padding:62px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:42px}.footer-brand{font-size:24px;font-weight:900;color:#fff}.footer-brand span{color:var(--cyan)}.footer-intro{font-size:14px;max-width:340px;margin:16px 0;color:#a9bdd0}.notice{font-size:12px;color:#71869c}.footer-col h3{color:#fff;font-size:15px;margin:3px 0 16px}.footer-col a{display:block;font-size:13px;margin:10px 0;color:#a9bdd0}.footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px}
    :focus-visible{outline:3px solid rgba(41,211,194,.5);outline-offset:3px}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.nav-status{display:none}.hero-inner{gap:35px}.split{gap:40px}}
    @media(max-width:768px){.container{width:min(100% - 34px,620px)}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:110px;left:17px;right:17px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-actions .btn{display:none}.hero-inner,.split,.faq-wrap{grid-template-columns:1fr}.hero-inner{padding:62px 0}.hero-note{margin-top:8px}.metric-grid{grid-template-columns:repeat(2,1fr)}.matrix{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr;gap:12px}.section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:15px}.split img{height:300px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.topbar .container{font-size:11px}.topbar .container span{display:none}.brand-name{font-size:21px}.hero h1{font-size:43px}.hero-lead{font-size:16px}.metric-grid,.matrix,.comparison,.timeline{grid-template-columns:1fr}.metric{padding:20px}.quote{grid-template-columns:1fr;padding:28px}.quote-mark{font-size:52px}.quote p{font-size:18px}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div+div{margin-top:10px}}

/* roulang page: category6 */
:root{
      --ink:#101828;
      --muted:#667085;
      --soft:#f5f7fa;
      --paper:#fff;
      --line:#e6eaf0;
      --navy:#0b1f3a;
      --navy-2:#102e50;
      --cyan:#29d3c2;
      --cyan-dark:#11a99d;
      --orange:#ff8b4a;
      --gold:#f4c96b;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);
      --shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .section{padding:96px 0;position:relative}
    .section.compact{padding:70px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(29px,4vw,46px);letter-spacing:-.045em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:550px;color:var(--muted);margin:0;font-size:15px}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:19px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}
    .brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:11px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .nav-status i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(41,211,194,.13)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px);box-shadow:0 15px 30px rgba(41,211,194,.28)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .page-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:92px 0 84px}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,24,45,.98),rgba(8,35,59,.76)),url("/assets/images/backpic/back-2.webp") center/cover}
    .page-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(41,211,194,.2);border-radius:50%;right:-120px;top:-100px;box-shadow:0 0 0 44px rgba(41,211,194,.04),0 0 0 90px rgba(41,211,194,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .page-hero .eyebrow{color:#75eee2}
    .page-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 22px;font-weight:900}
    .page-hero h1 span{color:var(--cyan)}
    .hero-lead{font-size:18px;color:#d2dce7;max-width:660px;margin:0 0 27px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .page-hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .page-hero .btn-outline:hover{background:#fff;color:var(--navy)}
    .icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:470px;justify-self:end}
    .matrix-item{min-height:128px;padding:18px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);border-radius:18px;backdrop-filter:blur(10px);transition:var(--ease)}
    .matrix-item:hover{transform:translateY(-5px);background:rgba(41,211,194,.14);border-color:rgba(41,211,194,.5)}
    .matrix-icon{font-size:25px;color:var(--cyan);margin-bottom:17px}
    .matrix-item strong{display:block;font-size:15px}
    .matrix-item small{display:block;color:#aebdca;font-size:12px;margin-top:3px}
    .status-strip{margin-top:28px;display:flex;align-items:center;gap:12px;color:#aebdca;font-size:13px}
    .status-dot{width:9px;height:9px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 6px rgba(41,211,194,.12)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:26px;background:var(--soft);border:1px solid var(--line);border-radius:18px}
    .metric b{font-size:35px;color:var(--navy);letter-spacing:-.06em;line-height:1}
    .metric b span{font-size:18px;color:var(--cyan-dark)}
    .metric p{margin:12px 0 0;color:var(--muted);font-size:13px}
    .benefit-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
    .benefit-intro{position:sticky;top:135px}
    .benefit-intro h2{font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.05em;margin:12px 0 18px}
    .benefit-intro p{color:var(--muted);margin:0 0 22px}
    .benefit-image{border-radius:20px;overflow:hidden;margin-top:28px;box-shadow:var(--shadow)}
    .benefit-image img{width:100%;height:220px;object-fit:cover}
    .benefit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .benefit-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px;min-height:194px;transition:var(--ease)}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(41,211,194,.55)}
    .benefit-card .number{color:var(--cyan-dark);font-weight:900;font-size:13px}
    .benefit-card h3{margin:14px 0 8px;font-size:20px;letter-spacing:-.03em}
    .benefit-card p{margin:0;color:var(--muted);font-size:14px}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head p{color:#b4c2d2}
    .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .tier-card{padding:30px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(255,255,255,.07);position:relative;overflow:hidden}
    .tier-card.featured{background:#fff;color:var(--ink);border-color:var(--cyan);box-shadow:0 18px 50px rgba(0,0,0,.18)}
    .tier-card.featured:before{content:"更受欢迎";position:absolute;right:20px;top:20px;background:var(--cyan);color:#053236;font-size:11px;font-weight:900;border-radius:20px;padding:5px 9px}
    .tier-label{font-size:13px;color:var(--cyan);font-weight:800;letter-spacing:.08em}
    .featured .tier-label{color:var(--cyan-dark)}
    .tier-card h3{font-size:27px;margin:10px 0 4px}
    .tier-card .tier-desc{color:#b4c2d2;font-size:13px;margin:0 0 22px}
    .featured .tier-desc{color:var(--muted)}
    .tier-price{font-size:34px;font-weight:900;letter-spacing:-.05em;margin-bottom:22px}
    .tier-price small{font-size:13px;font-weight:500;letter-spacing:0;color:var(--muted)}
    .check-list{list-style:none;margin:0 0 26px;padding:0}
    .check-list li{display:flex;gap:9px;margin:11px 0;font-size:14px;color:#d4dee8}
    .featured .check-list li{color:var(--ink)}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:900}
    .tier-card .btn{width:100%}
    .comparison{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}
    .compare-main{padding:35px;border-radius:22px;background:#eafaf8;border:1px solid #c7f2ec}
    .compare-main h3{font-size:27px;margin:0 0 12px}
    .compare-main p{color:#46656a;margin:0 0 22px}
    .progress-row{margin:19px 0}
    .progress-top{display:flex;justify-content:space-between;font-size:13px;font-weight:800}
    .progress-top span:last-child{color:var(--cyan-dark)}
    .progress{height:8px;background:#cde8e5;border-radius:20px;overflow:hidden;margin-top:8px}
    .progress i{height:100%;display:block;border-radius:20px;background:var(--cyan)}
    .result-stack{display:grid;gap:14px}
    .result-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .result-card small{color:var(--muted);font-size:12px}
    .result-card strong{display:block;font-size:23px;margin:5px 0}
    .result-card p{font-size:13px;color:var(--muted);margin:0}
    .scenario-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
    .scenario-card{grid-column:span 4;padding:27px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
    .scenario-card:nth-child(2){grid-column:span 5;background:var(--navy);color:#fff}
    .scenario-card:nth-child(3){grid-column:span 3;background:#fff6ef;border-color:#ffe0ca}
    .scenario-card:nth-child(4){grid-column:span 7}
    .scenario-card:nth-child(5){grid-column:span 5;background:#f2f0ff;border-color:#dfd9ff}
    .scenario-card h3{font-size:21px;margin:18px 0 8px}
    .scenario-card p{font-size:14px;color:var(--muted);margin:0}
    .scenario-card:nth-child(2) p{color:#b9c8d6}
    .scenario-card:nth-child(3) p,.scenario-card:nth-child(5) p{color:#756c82}
    .scenario-tag{display:inline-block;font-size:12px;font-weight:800;color:var(--cyan-dark);padding:5px 9px;background:rgba(41,211,194,.13);border-radius:8px}
    .scenario-card:nth-child(2) .scenario-tag{background:rgba(41,211,194,.16);color:var(--cyan)}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .flow-step{padding:30px 25px 32px;border-right:1px solid var(--line);position:relative}
    .flow-step:last-child{border-right:0}
    .flow-step b{display:grid;place-items:center;width:36px;height:36px;background:var(--navy);color:var(--cyan);border-radius:11px;font-size:14px}
    .flow-step h3{font-size:18px;margin:20px 0 7px}
    .flow-step p{font-size:13px;color:var(--muted);margin:0}
    .quote-section{background:#f8fafc}
    .quote-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:center}
    .quote-layout h2{font-size:clamp(30px,4vw,46px);line-height:1.12;letter-spacing:-.05em;margin:12px 0}
    .quote-layout>div>p{color:var(--muted)}
    .quote-card{padding:34px 38px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
    .quote-card blockquote{font-size:21px;line-height:1.65;letter-spacing:-.02em;margin:0 0 22px}
    .quote-author{display:flex;align-items:center;gap:13px;font-size:13px;color:var(--muted)}
    .avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--cyan);font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:62px}
    .faq-intro h2{font-size:42px;line-height:1.12;letter-spacing:-.05em;margin:12px 0}
    .faq-intro p{color:var(--muted)}
    .faq-item{border-top:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:21px 0;border:0;background:none;color:var(--ink);font-weight:800;font-size:16px}
    .faq-question span{color:var(--cyan-dark);font-size:22px;line-height:1;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:70px 0;background:var(--cyan)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(29px,4vw,45px);line-height:1.15;letter-spacing:-.05em;margin:0 0 8px}
    .cta p{margin:0;color:#1d5658;max-width:670px}
    .cta .btn-dark{box-shadow:0 12px 24px rgba(6,45,49,.18);white-space:nowrap}
    .site-footer{background:#07152a;color:#c1cedb;padding:65px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:45px}
    .footer-brand{font-size:23px;font-weight:900;color:#fff;margin-bottom:15px}
    .footer-brand span{color:var(--cyan)}
    .footer-intro{max-width:390px;font-size:13px;color:#a7b7c7;margin:0 0 16px}
    .notice{font-size:12px;color:#8295a8;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:10px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 8px}
    .footer-col a{font-size:13px;color:#9eb0c1}
    .footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;font-size:11px;color:#8295a8}
    .footer-bottom a:hover{color:var(--cyan)}
    :focus-visible{outline:3px solid rgba(41,211,194,.5);outline-offset:3px}
    @media(max-width:1024px){
      .main-nav{gap:0}
      .main-nav a{padding:8px 7px;font-size:13px}
      .nav-actions .nav-status{display:none}
      .hero-inner,.benefit-layout,.comparison,.quote-layout,.faq-grid{gap:32px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .topbar .container{font-size:11px}
      .topbar .container span:last-child{display:none}
      .nav-shell{height:68px}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:78px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-actions{margin-left:auto}
      .nav-actions .btn{display:none}
      .hero-inner,.benefit-layout,.comparison,.quote-layout,.faq-grid{grid-template-columns:1fr}
      .page-hero{padding:70px 0 65px}
      .icon-matrix{justify-self:stretch;max-width:none}
      .benefit-intro{position:static}
      .benefit-list{grid-template-columns:1fr}
      .tier-grid{grid-template-columns:1fr}
      .scenario-card,.scenario-card:nth-child(2),.scenario-card:nth-child(3),.scenario-card:nth-child(4),.scenario-card:nth-child(5){grid-column:span 12}
      .flow{grid-template-columns:1fr}
      .flow-step{border-right:0;border-bottom:1px solid var(--line)}
      .flow-step:last-child{border-bottom:0}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-bottom{flex-direction:column;gap:9px}
    }
    @media(max-width:520px){
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:15px}
      .page-hero h1{font-size:43px}
      .hero-lead{font-size:16px}
      .icon-matrix{grid-template-columns:repeat(2,1fr)}
      .matrix-item{min-height:112px}
      .metric-grid{grid-template-columns:1fr 1fr;gap:10px}
      .metric{padding:19px 15px}
      .metric b{font-size:28px}
      .quote-card{padding:25px 22px}
      .quote-card blockquote{font-size:18px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category4 */
:root{
      --ink:#101828;
      --muted:#667085;
      --soft:#f5f7fa;
      --paper:#ffffff;
      --line:#e6eaf0;
      --navy:#0b1f3a;
      --navy-2:#102e50;
      --cyan:#29d3c2;
      --cyan-dark:#11a99d;
      --orange:#ff8b4a;
      --gold:#f4c96b;
      --danger:#ef6b67;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(16,24,40,.09);
      --shadow-deep:0 24px 70px rgba(5,20,42,.22);
      --ease:all .28s cubic-bezier(.2,.75,.25,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .topbar{height:34px;background:#07152a;color:#a9bdd0;font-size:12px}
    .topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,240,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-size:18px;font-weight:900;box-shadow:0 8px 18px rgba(11,31,58,.18)}
    .brand-name{font-size:23px;letter-spacing:-.06em;font-weight:900}
    .brand-name em{font-style:normal;color:var(--cyan-dark)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;border-radius:10px;color:#526173;font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:#eafaf8;color:var(--cyan-dark)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-status{font-size:12px;color:var(--cyan-dark);display:flex;align-items:center;gap:7px;white-space:nowrap}
    .pulse{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(41,211,194,.15)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;line-height:1;transition:var(--ease)}
    .btn-primary{background:var(--cyan);color:#062d31;box-shadow:0 10px 24px rgba(41,211,194,.2)}
    .btn-primary:hover{background:#54e0d2;transform:translateY(-2px);box-shadow:0 15px 30px rgba(41,211,194,.28)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-outline:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--navy)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:13px;letter-spacing:.14em;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);display:inline-block}
    .hero-inner{padding:66px 0 74px;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:58px;align-items:center}
    .hero-banner{background:linear-gradient(110deg,rgba(6,22,43,.96),rgba(12,47,67,.82)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff;overflow:hidden}
    .hero-copy{max-width:690px}
    .hero-copy h1{font-size:clamp(40px,5.5vw,72px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 22px;font-weight:900}
    .hero-copy h1 span{color:var(--cyan)}
    .hero-copy p{color:#d2dce7;font-size:18px;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-banner .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
    .hero-banner .btn-outline:hover{background:#fff;color:var(--navy)}
    .flash-card{background:#fff;color:var(--ink);border-radius:24px;padding:25px;box-shadow:var(--shadow-deep);position:relative}
    .flash-card:before{content:"今日焦点场";position:absolute;right:20px;top:20px;background:#fff1e9;color:#dd6a31;border-radius:20px;padding:5px 10px;font-size:11px;font-weight:800}
    .flash-card h2{font-size:24px;line-height:1.25;margin:5px 0 8px;letter-spacing:-.04em}
    .flash-card .small{color:var(--muted);font-size:13px}
    .match-line{display:grid;grid-template-columns:1fr 60px 1fr;align-items:center;text-align:center;gap:8px;margin:25px 0 20px}
    .team{font-weight:850;font-size:16px}
    .team b{display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:#eefaf8;color:var(--cyan-dark);font-size:18px;margin:0 auto 8px}
    .versus{font-weight:900;color:var(--orange);font-size:14px}
    .count-title{font-size:12px;color:var(--muted);margin:0 0 7px}
    .countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px}
    .countdown div{background:#f7f9fb;border:1px solid var(--line);border-radius:11px;text-align:center;padding:9px 4px}
    .countdown strong{display:block;font-size:22px;line-height:1.1;color:var(--navy)}
    .countdown span{font-size:11px;color:#98a2b3}
    .section{padding:94px 0;position:relative}
    .section.compact{padding:70px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,4vw,45px);letter-spacing:-.05em;line-height:1.16;margin:9px 0 0;font-weight:850}
    .section-head p{max-width:550px;color:var(--muted);margin:0;font-size:15px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
    .metric strong{font-size:34px;letter-spacing:-.06em;color:var(--navy);line-height:1}
    .metric strong i{font-style:normal;color:var(--cyan-dark)}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:12px}
    .query-section{background:var(--soft)}
    .query-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;align-items:stretch}
    .query-box,.result-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .query-box h3,.result-box h3{font-size:23px;margin:0 0 8px;letter-spacing:-.03em}
    .query-box p,.result-box p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .field{margin-bottom:14px}
    .field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}
    .field input,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fbfcfd;color:var(--ink);font-size:14px;transition:var(--ease)}
    .field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(41,211,194,.12);outline:none}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .filter-tags{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 22px}
    .filter-tags button{border:1px solid var(--line);background:#fff;border-radius:30px;padding:7px 12px;font-size:12px;color:var(--muted)}
    .filter-tags button:hover,.filter-tags button.is-selected{background:#eafaf8;color:var(--cyan-dark);border-color:#b9eee8}
    .result-list{display:grid;gap:10px}
    .result-item{display:grid;grid-template-columns:88px 1fr auto;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
    .result-item:last-child{border-bottom:0}
    .result-date{font-size:12px;color:var(--muted)}
    .result-date strong{display:block;color:var(--navy);font-size:16px}
    .result-match strong{display:block;font-size:14px}
    .result-match span{font-size:12px;color:var(--muted)}
    .score{font-size:19px;font-weight:900;color:var(--navy);white-space:nowrap}
    .status{display:inline-block;border-radius:20px;padding:3px 8px;font-size:10px;margin-left:6px;background:#eafaf8;color:var(--cyan-dark)}
    .status.done{background:#f1f3f6;color:#667085}
    .split-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center}
    .image-frame{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow-deep);min-height:400px}
    .image-frame img{width:100%;height:100%;min-height:400px;object-fit:cover}
    .image-caption{position:absolute;left:20px;bottom:20px;background:rgba(11,31,58,.88);color:#fff;padding:13px 16px;border-radius:13px;font-size:13px}
    .content-copy h2{font-size:clamp(30px,4vw,49px);line-height:1.13;letter-spacing:-.055em;margin:12px 0 20px}
    .content-copy p{color:var(--muted);margin:0 0 18px}
    .check-list{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:13px}
    .check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14px}
    .check-list li:before{content:"✓";width:22px;height:22px;flex:none;display:grid;place-items:center;border-radius:50%;background:#eafaf8;color:var(--cyan-dark);font-weight:900}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .matrix-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;transition:var(--ease)}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b8eee8}
    .matrix-icon{width:42px;height:42px;border-radius:13px;background:var(--navy);color:var(--cyan);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .matrix-card h3{margin:0 0 8px;font-size:19px}
    .matrix-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline-section{background:var(--navy);color:#fff}
    .timeline-section .section-head p{color:#b4c2d2}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .timeline:before{content:"";height:1px;background:rgba(255,255,255,.25);position:absolute;left:7%;right:7%;top:22px}
    .step{position:relative;padding:0 20px 0 0}
    .step-number{position:relative;z-index:1;width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:var(--cyan);color:#062d31;font-weight:900;margin-bottom:22px}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{font-size:13px;color:#b4c2d2;margin:0;max-width:220px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{border-radius:20px;padding:28px;border:1px solid var(--line)}
    .compare-card.old{background:#fafafa}
    .compare-card.new{background:#f0fcfa;border-color:#b9eee8}
    .compare-card h3{margin:0 0 16px;font-size:20px}
    .compare-card ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .compare-card li{font-size:14px;display:flex;gap:9px}
    .compare-card li:before{content:"—";color:var(--orange);font-weight:900}
    .compare-card.new li:before{content:"✓";color:var(--cyan-dark)}
    .story{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .story-card{border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:145px 1fr}
    .story-card img{width:145px;height:100%;min-height:165px;object-fit:cover}
    .story-content{padding:20px}
    .story-content .tag{font-size:11px;color:var(--cyan-dark);font-weight:800}
    .story-content h3{font-size:18px;line-height:1.35;margin:7px 0 9px}
    .story-content p{font-size:13px;color:var(--muted);margin:0}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:16px;padding:20px 22px;background:#fff}
    .faq-item summary{cursor:pointer;font-size:16px;font-weight:800;list-style:none;padding-right:22px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--cyan-dark);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:14px 0 0}
    .cta{background:linear-gradient(115deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);padding:48px 55px;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden;position:relative}
    .cta:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(41,211,194,.24);border-radius:50%;right:8%;top:-130px}
    .cta h2{font-size:clamp(27px,4vw,42px);line-height:1.15;letter-spacing:-.05em;margin:0 0 10px;position:relative;z-index:1}
    .cta p{color:#b4c2d2;margin:0;max-width:620px;position:relative;z-index:1}
    .cta .btn{position:relative;z-index:1;white-space:nowrap}
    .site-footer{background:#07152a;color:#d2dce7;padding:65px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .7fr;gap:35px;padding-bottom:45px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-weight:900;font-size:24px;color:#fff;margin-bottom:13px}
    .footer-brand span{color:var(--cyan)}
    .footer-intro,.notice{font-size:13px;color:#9eafc1;max-width:360px;margin:0 0 13px}
    .notice{color:#d4b777}
    .footer-col h3{font-size:14px;color:#fff;margin:3px 0 15px}
    .footer-col a{display:block;color:#9eafc1;font-size:13px;margin:9px 0}
    .footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#8094a9;font-size:12px}
    .footer-bottom a{color:#b8c7d5}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    :focus-visible{outline:3px solid rgba(41,211,194,.45);outline-offset:3px}
    @media(max-width:1100px){
      .main-nav{gap:0}
      .main-nav a{padding:8px 8px;font-size:13px}
      .nav-status{display:none}
    }
    @media(max-width:900px){
      .hero-inner,.query-layout,.split-section{grid-template-columns:1fr}
      .flash-card{max-width:520px;justify-self:start}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .matrix{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr);gap:30px}
      .timeline:before{display:none}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .topbar .container{font-size:11px}
      .topbar .container span:last-child{display:none}
      .nav-shell{height:68px}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
      .main-nav.is-open{display:grid}
      .main-nav a{padding:12px}
      .nav-actions .btn{display:none}
      .hero-inner{padding:56px 0}
      .hero-copy p{font-size:16px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:14px}
      .story{grid-template-columns:1fr}
      .compare,.faq-grid{grid-template-columns:1fr}
      .cta{display:block;padding:36px 28px}
      .cta .btn{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom div+div{margin-top:10px}
    }
    @media(max-width:520px){
      .hero-copy h1{font-size:42px}
      .metric-grid,.matrix{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .result-item{grid-template-columns:70px 1fr auto;gap:8px}
      .result-item .score{font-size:16px}
      .story-card{grid-template-columns:105px 1fr}
      .story-card img{width:105px}
      .story-content{padding:15px}
      .story-content h3{font-size:16px}
      .footer-grid{grid-template-columns:1fr}
    }