/* roulang page: index */
:root{
      --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
      --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
      --soft:#edf4ff;--orange:#ff9d52;--radius:22px;--radius-sm:14px;
      --shadow:0 18px 50px rgba(31,70,125,.11);--shadow-sm:0 8px 24px rgba(31,70,125,.08);
      --max:1200px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
    .topline{height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--orange))}
    .header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.85)}
    .nav{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status{display:flex;align-items:center;gap:7px;color:#60718c;font-size:12px;white-space:nowrap}
    .status i{width:8px;height:8px;border-radius:50%;background:#26c281;box-shadow:0 0 0 4px #e1f8ee}
    .tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted)}
    .tool-btn:hover{color:var(--blue);border-color:#b9ceef}
    .menu-toggle{display:none}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
    .btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#071c43;transform:translateY(-2px)}
    :focus-visible{outline:3px solid rgba(20,184,196,.4);outline-offset:3px}
    .hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-1.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98) 0%,rgba(244,249,255,.91) 43%,rgba(244,249,255,.25) 100%)}
    .hero-inner{position:relative;z-index:1;width:100%;padding:74px 0 78px}
    .hero-copy{max-width:700px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
    h1{font-size:clamp(40px,6vw,76px);line-height:1.12;letter-spacing:-.055em;margin:19px 0 23px;color:var(--blue-deep)}
    .hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:650px;margin:0 0 29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-metrics{display:flex;gap:30px;margin-top:48px;flex-wrap:wrap}
    .metric{padding-left:15px;border-left:2px solid #85b8f5}
    .metric strong{display:block;font-size:24px;color:var(--blue-deep);line-height:1.2}
    .metric span{font-size:12px;color:var(--muted)}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:33px}
    .section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0;color:var(--blue-deep)}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .blue-strip{background:var(--blue-deep);color:#fff}
    .blue-strip .section-kicker{color:#8fdbe0}
    .blue-strip h2{color:#fff}
    .blue-strip p{color:#b9c9e2}
    .bento{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-auto-rows:minmax(180px,auto);gap:18px}
    .bento-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:29px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
    .bento-card:hover,.product-card:hover,.quote:hover,.news-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .bento-card{transition:.3s ease}
    .bento-card.feature{grid-row:span 2;background:linear-gradient(145deg,#0d387d,#155eef);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
    .bento-card.feature h3{font-size:29px;max-width:330px}
    .bento-card.feature p{color:#d6e5ff}
    .bento-card h3{margin:11px 0 9px;font-size:20px;line-height:1.4}
    .bento-card p{color:var(--muted);margin:0;font-size:14px}
    .icon{width:45px;height:45px;border-radius:14px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:900}
    .feature .icon{background:rgba(255,255,255,.17);color:#fff}
    .arrow{font-size:22px;color:var(--cyan);font-weight:800}
    .feature .arrow{color:#fff}
    .visual-band{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
    .visual-band.reverse{grid-template-columns:1.05fr .95fr}
    .visual-band.reverse .visual-image{order:2}
    .visual-image{border-radius:28px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
    .visual-image img{width:100%;height:390px;object-fit:cover}
    .visual-image:after{content:"九游娱乐 · 官方服务";position:absolute;bottom:19px;left:20px;padding:7px 11px;border-radius:8px;background:rgba(7,28,67,.76);color:#fff;font-size:12px}
    .copy h2{font-size:34px;line-height:1.3;margin:12px 0 17px;color:var(--blue-deep)}
    .copy>p{color:var(--muted);font-size:16px}
    .check-list{list-style:none;margin:23px 0 28px;padding:0;display:grid;gap:12px}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#40536f}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
    .poster-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .poster{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s ease}
    .poster:hover{transform:translateY(-5px)}
    .poster-img{height:225px;position:relative;overflow:hidden}
    .poster-img img{height:100%;width:100%;object-fit:cover;transition:.4s}
    .poster:hover img{transform:scale(1.06)}
    .poster-img span{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.9);color:var(--blue);padding:4px 8px;border-radius:7px;font-size:11px;font-weight:700}
    .poster-body{padding:16px}
    .poster-body h3{font-size:17px;margin:0 0 6px}
    .poster-body p{font-size:13px;color:var(--muted);margin:0 0 13px}
    .text-link{font-weight:700;color:var(--blue);font-size:13px}
    .text-link:hover{color:var(--cyan)}
    .campaign{background:#fff4e9;border:1px solid #ffdfc3;border-radius:28px;padding:36px;display:grid;grid-template-columns:1fr 1.5fr;gap:32px;align-items:center}
    .campaign h2{font-size:32px;line-height:1.3;margin:10px 0 14px;color:#743b1a}
    .campaign p{color:#85664d}
    .campaign-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
    .campaign-item{background:#fff;border:1px solid #f3d7ba;border-radius:15px;padding:19px}
    .campaign-item strong{display:block;color:#bd6225;font-size:20px;margin-bottom:5px}
    .campaign-item span{display:block;color:#876c57;font-size:13px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .stat strong{font-size:31px;color:var(--blue-deep);display:block}
    .stat em{font-style:normal;color:#1aa69f;font-size:12px}
    .stat p{color:var(--muted);font-size:13px;margin:5px 0 0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{padding:20px 25px 20px 0;border-top:2px solid #c9d9ef;position:relative}
    .step:not(:last-child){margin-right:18px}
    .step-num{font-size:13px;color:var(--blue);font-weight:800}
    .step h3{font-size:18px;margin:9px 0 7px}
    .step p{color:var(--muted);font-size:13px;margin:0}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;transition:.3s ease}
    .quote .stars{color:#f39b42;letter-spacing:3px}
    .quote p{color:#4d607d;min-height:86px;margin:14px 0 20px}
    .quote-foot{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:15px}
    .avatar{width:36px;height:36px;border-radius:50%;background:#dceaff;color:var(--blue);display:grid;place-items:center;font-weight:800}
    .quote-foot small{color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px}
    .faq-wrap>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
    summary{list-style:none;cursor:pointer;font-weight:700;padding:17px 25px 17px 0;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:21px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 18px;border-top:1px solid var(--line);padding-top:14px}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:23px}
    .news-list{display:grid;gap:11px}
    .news-item{display:grid;grid-template-columns:94px 1fr auto;align-items:center;gap:17px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px 20px;transition:.3s ease}
    .news-date{color:var(--blue);font-size:12px;font-weight:800}
    .news-item h3{font-size:16px;margin:0 0 3px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .news-side{background:var(--blue-deep);border-radius:22px;color:#fff;padding:28px}
    .news-side h3{font-size:23px;margin:0 0 12px}
    .news-side p{color:#b9c9e2;font-size:14px}
    .mini-list{list-style:none;margin:20px 0 25px;padding:0;display:grid;gap:13px}
    .mini-list li{border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:12px;color:#deebff;font-size:14px}
    .brand-story{background:#fff;border:1px solid var(--line);border-radius:26px;padding:39px 45px;display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:center}
    .brand-story h2{font-size:33px;line-height:1.35;color:var(--blue-deep);margin:10px 0}
    .brand-story p{color:var(--muted);margin:0 0 13px}
    .contact-box{background:linear-gradient(120deg,#0e3b83,#155eef);border-radius:27px;padding:43px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow)}
    .contact-box h2{font-size:32px;line-height:1.3;margin:10px 0}
    .contact-box p{color:#d5e4ff;margin:0;max-width:650px}
    .contact-box .btn{background:#fff;color:var(--blue)}
    .footer{background:#071b3c;color:#b7c6dd;padding:48px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:35px;padding-bottom:34px}
    .footer .brand{color:#fff;margin-bottom:15px}
    .footer h3{font-size:14px;color:#fff;margin:5px 0 14px}
    .footer p,.footer li{font-size:13px;color:#9db0cd}
    .footer p{max-width:310px}
    .footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer li a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8ca2c1}
    .footer-bottom a:hover{color:#fff}
    .floating{position:fixed;right:22px;bottom:22px;z-index:10;background:var(--orange);color:#fff;padding:11px 17px;border-radius:30px;font-size:13px;font-weight:800;box-shadow:0 10px 22px rgba(192,102,35,.25)}
    .floating:hover{transform:translateY(-3px);background:#e78336}
    @media(max-width:1024px){
      .nav{gap:14px}.brand{min-width:170px}.nav-links{overflow:auto}
      .bento{grid-template-columns:1fr 1fr}.bento-card.feature{grid-row:span 1;grid-column:span 2}
      .poster-row{grid-template-columns:repeat(2,1fr)}.visual-band,.visual-band.reverse{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .nav{min-height:67px}.brand{font-size:18px;min-width:auto}.brand-mark{width:34px;height:34px}
      .nav-links{display:none;position:absolute;top:67px;left:15px;right:15px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.status,.tool-btn{display:none}.menu-toggle{display:block}
      .hero{min-height:570px}.hero:before{background:rgba(244,249,255,.9)}
      .hero-inner{padding:56px 0}.hero-lead{font-size:16px}.hero-metrics{margin-top:32px;gap:18px}
      .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .visual-band,.visual-band.reverse,.faq-wrap,.news-layout,.brand-story,.campaign{grid-template-columns:1fr}
      .visual-band.reverse .visual-image{order:0}.visual-image img{height:300px}
      .campaign-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr);gap:15px}.step:not(:last-child){margin-right:0}
      .quotes{grid-template-columns:1fr}.quote p{min-height:0}
      .news-item{grid-template-columns:78px 1fr}.news-item .text-link{grid-column:2}
      .footer-grid{grid-template-columns:1fr 1fr}.contact-box{display:block}.contact-box .btn{margin-top:22px}
    }
    @media(max-width:520px){
      h1{font-size:41px}.hero-actions .btn{width:100%}.bento{display:block}.bento-card{margin-bottom:14px}
      .poster-row{grid-template-columns:1fr 1fr;gap:10px}.poster-img{height:170px}.poster-body{padding:12px}.poster-body h3{font-size:15px}
      .stats{gap:9px}.stat{padding:17px}.stat strong{font-size:25px}.steps{display:block}.step{border-top:0;border-left:2px solid #c9d9ef;padding:0 0 20px 17px}
      .brand-story{padding:27px 22px}.campaign{padding:24px}.news-item{display:block}.news-item h3{margin:5px 0}.news-item .text-link{display:inline-block;margin-top:8px}
      .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span,.footer-bottom a{display:block;margin-top:7px}
    }

/* roulang page: category1 */
:root{
      --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
      --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
      --soft:#edf4ff;--orange:#ff9d52;--green:#0c9c86;--radius:22px;
      --radius-sm:14px;--shadow:0 18px 50px rgba(31,70,125,.11);
      --shadow-sm:0 8px 24px rgba(31,70,125,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
    .header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.9)}
    .nav{min-height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:10px 11px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
    .status i{width:8px;height:8px;border-radius:50%;background:#17b890;box-shadow:0 0 0 4px #dff8ef}
    .tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted)}
    .tool-btn:hover{color:var(--blue);border-color:#b9ceef}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;color:var(--blue)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
    .btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}.btn-dark:hover{background:#071c43;transform:translateY(-2px)}
    .hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.9) 48%,rgba(244,249,255,.32))}
    .hero-inner{position:relative;z-index:1;padding:84px 0 78px;display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.14;letter-spacing:-.055em;color:var(--blue-deep);margin:17px 0 20px}
    h2{font-size:clamp(28px,3.3vw,43px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin:10px 0 14px}
    h3{line-height:1.4}
    .hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{margin-top:22px;color:#66758f;font-size:13px}
    .progress-panel{background:rgba(255,255,255,.95);border:1px solid #dce8f8;border-radius:26px;padding:28px;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}
    .panel-top strong{font-size:18px;color:var(--blue-deep)}.badge{padding:5px 10px;border-radius:99px;background:#e0f8f5;color:#087f79;font-size:12px;font-weight:700}
    .progress-line{height:10px;border-radius:20px;background:#e7eef8;overflow:hidden;margin:18px 0 10px}
    .progress-line span{display:block;width:76%;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:20px}
    .progress-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
    .tier-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:25px}
    .tier{border:1px solid var(--line);border-radius:14px;padding:13px;background:#fbfdff}
    .tier b{display:block;color:var(--blue);font-size:18px}.tier small{color:var(--muted)}
    .section{padding:86px 0}.section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}
    .intro-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
    .image-card{border-radius:25px;overflow:hidden;box-shadow:var(--shadow);background:#fff;padding:10px}
    .image-card img{height:350px;width:100%;object-fit:cover;border-radius:18px}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.3s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .card.large{background:linear-gradient(145deg,#0d387d,#155eef);color:#fff;min-height:280px}
    .card.large p{color:#d9e7ff}.card p{color:var(--muted);margin:7px 0 0}.icon{font-size:26px;color:var(--cyan)}
    .number{font-size:38px;font-weight:900;color:var(--blue);letter-spacing:-.06em}
    .card.large .number{color:#fff}
    .scene{background:#fff}.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .scene-item{display:flex;gap:18px;align-items:flex-start;padding:23px;border:1px solid var(--line);border-radius:18px}
    .scene-item img{width:92px;height:92px;object-fit:cover;border-radius:15px}
    .scene-item h3{margin:0 0 5px;font-size:18px}.scene-item p{margin:0;color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .step{position:relative;padding:24px 21px;background:#f0f6ff;border-radius:18px;border:1px solid #dce9fb}
    .step strong{display:block;font-size:13px;color:var(--blue);margin-bottom:10px}.step h3{margin:0 0 8px}.step p{color:var(--muted);font-size:13px;margin:0}
    .step:not(:last-child):after{content:"→";position:absolute;right:-16px;top:43%;color:var(--cyan);font-size:22px;font-weight:800;z-index:2}
    .dark-section{background:var(--blue-deep);color:#fff}.dark-section h2{color:#fff}.dark-section .section-kicker{color:#9ee3e5}
    .dark-section p{color:#c8d9f2}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.case{padding:26px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(255,255,255,.07)}
    .case h3{margin:0 0 9px;color:#fff}.case-stat{font-size:32px;font-weight:900;color:#8fe1e2}.case small{color:#c8d9f2}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:52px}.faq-wrap>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .faq-q{padding:17px 20px;display:flex;justify-content:space-between;gap:15px;font-weight:700;color:var(--blue-deep);cursor:pointer}.faq-q span{color:var(--blue);font-size:20px}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}
    .cta{padding:48px 55px;background:linear-gradient(105deg,#e5f1ff,#f8fbff);border:1px solid #d7e6fa;border-radius:26px;display:flex;justify-content:space-between;gap:25px;align-items:center}
    .cta h2{margin:0;font-size:31px}.cta p{color:var(--muted);margin:8px 0 0}
    .footer{background:#fff;border-top:1px solid var(--line);padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .brand{margin-bottom:15px}.footer p{color:var(--muted);max-width:330px;font-size:13px}.footer h3{font-size:15px;margin:4px 0 14px;color:var(--blue-deep)}.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.footer li a{font-size:13px;color:var(--muted)}.footer li a:hover{color:var(--blue)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:18px;color:#8290a5;font-size:12px}.footer-bottom a:hover{color:var(--blue)}
    :focus-visible{outline:3px solid rgba(20,184,196,.45);outline-offset:3px}
    @media(max-width:1024px){.nav{gap:12px}.brand{min-width:165px}.nav-links a{padding:9px 7px;font-size:13px}.hero-inner{gap:28px}.feature-grid{grid-template-columns:1fr 1fr}.card.large{grid-row:span 2}.steps{grid-template-columns:repeat(2,1fr)}.step:not(:last-child):after{display:none}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav{min-height:68px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:72px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-tools .status,.nav-tools .btn{display:none}.menu-toggle{display:block}.hero-inner,.intro-grid,.faq-wrap{grid-template-columns:1fr}.hero-inner{padding:65px 0}.progress-panel{max-width:560px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:12px}.scene-grid,.case-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:40px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}.tier-row,.feature-grid,.steps{grid-template-columns:1fr}.card.large{grid-row:auto}.image-card img{height:260px}.scene-item{display:block}.scene-item img{width:100%;height:170px;margin-bottom:15px}.cta{padding:30px 24px;display:block}.cta .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:8px}}

/* roulang page: category2 */
:root{
      --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
      --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
      --soft:#edf4ff;--orange:#ff9d52;--radius:22px;--radius-sm:14px;
      --shadow:0 18px 50px rgba(31,70,125,.11);--shadow-sm:0 8px 24px rgba(31,70,125,.08);
      --max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
    .header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.85)}
    .nav{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted);font-size:18px}
    .tool-btn:hover{color:var(--blue);border-color:#b9ceef}
    .menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--blue-deep)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
    .btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}.btn-dark:hover{background:#071c43}
    .hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.9) 52%,rgba(244,249,255,.35))}
    .hero-inner{position:relative;z-index:1;padding:74px 0 78px;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.05em;margin:15px 0 20px;color:var(--blue-deep)}
    h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;color:var(--blue-deep);margin:10px 0 14px}
    h3{line-height:1.4}
    .hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:640px;margin:0 0 29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-panel{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.8);border-radius:26px;padding:25px;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .panel-top strong{font-size:18px;color:var(--blue-deep)}
    .status{display:inline-flex;gap:7px;align-items:center;color:#168b78;font-size:13px;font-weight:700}
    .status:before{content:"";width:8px;height:8px;border-radius:50%;background:#21bd99;box-shadow:0 0 0 4px #dff8f1}
    .tier-list{display:grid;gap:12px}
    .tier{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:13px;padding:14px;border:1px solid var(--line);border-radius:15px;background:#fff}
    .tier.recommend{border:2px solid var(--blue);box-shadow:0 10px 25px rgba(21,94,239,.12)}
    .tier-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-weight:900}
    .tier h3{font-size:15px;margin:0}.tier p{font-size:12px;color:var(--muted);margin:2px 0 0}.tier b{font-size:14px;color:var(--blue-deep)}
    .section{padding:82px 0}.section-tight{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start}
    .intro-copy{font-size:17px;color:#52647e;margin:0}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .benefit-card,.scene-card,.process-card,.proof-card,.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.3s ease}
    .benefit-card:hover,.scene-card:hover,.process-card:hover,.proof-card:hover,.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon{width:45px;height:45px;border-radius:14px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:19px}
    .benefit-card h3,.scene-card h3,.process-card h3,.proof-card h3{font-size:18px;margin:17px 0 7px}.benefit-card p,.scene-card p,.process-card p,.proof-card p{font-size:14px;color:var(--muted);margin:0}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .visual-image{border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}.visual-image img{width:100%;height:380px;object-fit:cover}
    .check-list{list-style:none;padding:0;margin:22px 0 28px;display:grid;gap:12px}.check-list li{display:flex;gap:10px;color:#40536f}.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
    .blue-strip{background:var(--blue-deep);color:#fff}.blue-strip h2{color:#fff}.blue-strip p{color:#c8d9f4}
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.stat{border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:19px}.stat strong{font-size:30px;color:#fff;display:block}.stat span{font-size:13px;color:#bfd2f0}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}.scene-card.large{grid-row:span 2;background:#f0f6ff}.scene-card.large img{height:180px;width:100%;object-fit:cover;border-radius:14px;margin-bottom:18px}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.process-card{position:relative}.process-no{color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.1em}
    .proof-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.proof-card.feature{background:linear-gradient(145deg,#155eef,#0b2b63);color:#fff}.proof-card.feature p{color:#d5e5ff}.quote{font-size:20px;line-height:1.7;margin:15px 0 23px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.price-card{position:relative}.price-card.recommended{border:2px solid var(--blue);transform:translateY(-12px)}.ribbon{position:absolute;right:18px;top:18px;background:#e4f3ff;color:var(--blue);border-radius:20px;padding:4px 10px;font-size:12px;font-weight:800}.price-card h3{font-size:20px;margin:0 0 9px}.price-card p{color:var(--muted);font-size:14px}.price-card ul{padding:0;margin:20px 0;list-style:none;border-top:1px solid var(--line)}.price-card li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:#52647e}.price-card li:before{content:"✓";color:#12a18d;font-weight:bold;margin-right:8px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}.faq-wrap>div>p{color:var(--muted)}.faq-list{display:grid;gap:11px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;border:0;padding:18px 20px;color:var(--ink);font-weight:700}.faq-q span:last-child{color:var(--blue);font-size:21px}.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}
    .cta{background:#e9f3ff;border:1px solid #d6e7fb;border-radius:27px;padding:44px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta p{color:var(--muted);max-width:650px;margin:8px 0 0}
    .footer{background:#fff;border-top:1px solid var(--line);padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}.footer p{color:var(--muted);font-size:14px;max-width:340px}.footer h3{font-size:15px;color:var(--blue-deep);margin:5px 0 15px}.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer li a{font-size:14px;color:var(--muted)}.footer li a:hover,.footer-bottom a:hover{color:var(--blue)}.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:#7a879c;font-size:12px}
    :focus-visible{outline:3px solid rgba(20,184,196,.45);outline-offset:3px}
    @media(max-width:1024px){.nav{gap:15px}.brand{min-width:170px}.nav-links a{padding:9px 8px}.hero-inner{gap:30px}.benefit-grid{grid-template-columns:repeat(2,1fr)}.scene-grid{grid-template-columns:1fr 1fr}.scene-card.large{grid-row:auto}.process-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.nav-tools{display:none}.hero-inner,.split,.intro-grid,.proof-layout,.faq-wrap{grid-template-columns:1fr}.hero-inner{padding:55px 0 60px}.hero-panel{max-width:600px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.price-grid{grid-template-columns:1fr}.price-card.recommended{transform:none}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.visual-image img{height:280px}}
    @media(max-width:520px){h1{font-size:39px}.hero-lead{font-size:16px}.benefit-grid,.scene-grid,.process-grid,.stats{grid-template-columns:1fr}.tier{grid-template-columns:42px 1fr}.tier b{grid-column:2}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:8px}.brand{min-width:auto}.brand span:last-child{font-size:19px}}

/* roulang page: category3 */
:root{
 --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
 --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
 --soft:#edf4ff;--orange:#ff9d52;--radius:22px;--radius-sm:14px;
 --shadow:0 18px 50px rgba(31,70,125,.11);--shadow-sm:0 8px 24px rgba(31,70,125,.08);
 --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.85)}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.status{display:flex;align-items:center;gap:7px;color:#5c708d;font-size:13px;white-space:nowrap}
.status i{width:8px;height:8px;border-radius:50%;background:#22c58b;box-shadow:0 0 0 4px #def8ed}
.tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted)}
.tool-btn:hover{color:var(--blue);border-color:#b9ceef}
.menu-toggle{display:none}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
.btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
.btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#071c43;transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,.tool-btn:focus-visible{outline:3px solid rgba(20,184,196,.35);outline-offset:3px}
.hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.91) 48%,rgba(244,249,255,.3))}
.hero-inner{position:relative;z-index:1;padding:78px 0 82px;display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
h1{font-size:clamp(38px,5vw,64px);line-height:1.15;letter-spacing:-.055em;color:var(--blue-deep);margin:14px 0 20px}
.hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:650px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,.93);border:1px solid rgba(255,255,255,.85);border-radius:26px;padding:25px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.panel-top strong{font-size:18px;color:var(--blue-deep)}
.badge{display:inline-flex;padding:5px 10px;border-radius:20px;background:#e7f8f7;color:#078c89;font-size:12px;font-weight:700}
.search-box{display:flex;gap:9px;padding:7px;background:#f5f8fc;border:1px solid var(--line);border-radius:13px;margin-bottom:17px}
.search-box input{min-width:0;flex:1;border:0;background:transparent;outline:0;padding:7px 9px;color:var(--ink)}
.search-box button{border:0;border-radius:9px;background:var(--blue);color:white;padding:8px 14px;font-size:13px}
.panel-list{display:grid;gap:10px}
.panel-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:13px;background:#fff}
.panel-row .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);flex:none}
.panel-row div{flex:1}
.panel-row strong{display:block;font-size:14px}
.panel-row span{font-size:12px;color:var(--muted)}
.section{padding:82px 0}
.section-tight{padding:58px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0;color:var(--blue-deep)}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.section-kicker{font-size:12px}
.intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:stretch}
.intro-copy{background:var(--blue-deep);color:white;border-radius:var(--radius);padding:37px}
.intro-copy h2{font-size:32px;line-height:1.35;margin:13px 0}
.intro-copy p{color:#d9e7ff;margin:0}
.intro-copy .section-kicker{color:#8fdbe0}
.intro-data{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.data-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:25px;box-shadow:var(--shadow-sm)}
.data-card strong{display:block;color:var(--blue);font-size:30px;line-height:1.2}
.data-card span{color:var(--muted);font-size:13px}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:17px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.3s ease}
.feature-card:hover,.topic-card:hover,.step:hover,.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-card.large{background:linear-gradient(145deg,#0d387d,#155eef);color:#fff;min-height:260px}
.feature-card.large p{color:#d9e7ff}
.feature-card h3{font-size:20px;margin:14px 0 8px}
.feature-card p{color:var(--muted);font-size:14px;margin:0}
.icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-weight:900;font-size:19px}
.large .icon{background:rgba(255,255,255,.17);color:#fff}
.topic-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:26px;align-items:center}
.topic-image{height:360px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.topic-image img{width:100%;height:100%;object-fit:cover}
.topic-copy{padding:15px 10px}
.topic-copy h2{font-size:34px;line-height:1.35;color:var(--blue-deep);margin:12px 0}
.topic-copy p{color:var(--muted)}
.check-list{list-style:none;margin:22px 0 27px;padding:0;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;color:#40536f}
.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s ease}
.topic-card img{height:155px;width:100%;object-fit:cover}
.topic-card div{padding:18px}
.topic-card h3{margin:0 0 7px;font-size:18px;color:var(--blue-deep)}
.topic-card p{margin:0 0 14px;color:var(--muted);font-size:13px}
.text-link{font-weight:700;color:var(--blue);font-size:13px}
.text-link:hover{color:var(--cyan)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.step{background:#fff;border:1px solid var(--line);border-radius:17px;padding:23px;transition:.3s ease;position:relative}
.step-num{font-size:12px;color:var(--cyan);font-weight:900;letter-spacing:.12em}
.step h3{font-size:17px;margin:12px 0 7px}
.step p{color:var(--muted);font-size:13px;margin:0}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow-sm);transition:.3s ease}
.quote p{font-size:16px;color:#40536f;margin:0 0 17px}
.quote strong{color:var(--blue-deep);font-size:14px}
.quote span{display:block;color:var(--muted);font-size:12px}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}
.faq-wrap>div>p{color:var(--muted)}
.faq-list{display:grid;gap:11px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--blue-deep);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
.cta{background:linear-gradient(110deg,#0b2b63,#155eef);color:#fff;border-radius:27px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{font-size:32px;line-height:1.3;margin:0 0 8px}
.cta p{color:#dce9ff;margin:0;max-width:650px}
.cta .btn-light{box-shadow:0 10px 22px rgba(2,26,70,.2);white-space:nowrap}
.footer{background:#0b2048;color:#cbdaf3;padding:55px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer .brand{color:#fff;margin-bottom:16px}
.footer .brand-mark{background:var(--cyan)}
.footer p{font-size:13px;max-width:330px;color:#9fb4d5}
.footer h3{color:#fff;font-size:14px;margin:4px 0 15px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer li,.footer a{font-size:13px;color:#a9bddb}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:37px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8fa7c9}
@media(max-width:1024px){
 .nav{gap:14px}.brand{min-width:165px}.nav-links a{padding:9px 8px}
 .hero-inner{gap:30px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-row:span 2}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav{min-height:68px}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-tools .status,.nav-tools .btn{display:none}.menu-toggle{display:block}
 .hero-inner{grid-template-columns:1fr;padding:61px 0}.hero-panel{max-width:570px}
 .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}
 .intro-grid,.topic-layout,.faq-wrap{grid-template-columns:1fr}.topic-image{height:280px}
 .steps{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 h1{font-size:39px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}
 .intro-data,.feature-grid,.topic-grid,.quote-grid,.steps{grid-template-columns:1fr}
 .feature-card.large{grid-row:auto}.topic-image{height:230px}
 .cta{padding:30px 24px;display:block}.cta h2{font-size:27px}.cta .btn{margin-top:22px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}

/* roulang page: category5 */
:root{
 --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
 --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
 --soft:#edf4ff;--orange:#ff9d52;--green:#16a085;--radius:22px;
 --radius-sm:14px;--shadow:0 18px 50px rgba(31,70,125,.11);
 --shadow-sm:0 8px 24px rgba(31,70,125,.08);--max:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.85)}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted)}
.tool-btn:hover{color:var(--blue);border-color:#b9ceef}
.menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--blue-deep)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
.btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
.btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#071c43;transform:translateY(-2px)}
.btn:focus,.tool-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(20,184,196,.25);outline-offset:2px}
.page-hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,250,255,.98),rgba(245,250,255,.86) 55%,rgba(245,250,255,.28))}
.page-hero-inner{position:relative;z-index:1;padding:86px 0 82px;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,64px);line-height:1.13;letter-spacing:-.045em;color:var(--blue-deep);margin:15px 0 22px}
.hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:650px;margin-bottom:29px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.9);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:19px}
.panel-top strong{font-size:17px;color:var(--blue-deep)}
.status{display:flex;align-items:center;gap:7px;color:var(--green);font-size:13px;font-weight:700}
.status:before{content:"";width:8px;height:8px;border-radius:50%;background:#25c98c;box-shadow:0 0 0 5px #ddf8ed}
.signal-list{display:grid;gap:13px}
.signal-item{display:flex;align-items:center;gap:13px;padding:13px 14px;background:#f6f9fd;border-radius:13px}
.signal-icon{width:34px;height:34px;border-radius:10px;background:#e1edff;color:var(--blue);display:grid;place-items:center;font-weight:800}
.signal-item span{display:block;color:var(--muted);font-size:12px}
.signal-item b{display:block;color:var(--ink);font-size:14px}
.section{padding:82px 0}
.section-tight{padding:58px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:33px}
.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0;color:var(--blue-deep)}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
.visual-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.visual-image img{width:100%;height:390px;object-fit:cover}
.copy h2{font-size:34px;line-height:1.3;color:var(--blue-deep);margin:12px 0 17px}
.copy p{color:var(--muted);margin-bottom:17px}
.check-list{list-style:none;margin:23px 0 28px;padding:0;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;color:#40536f}
.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:17px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.3s ease;min-height:210px}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-card:first-child{background:linear-gradient(145deg,#0d387d,#155eef);color:#fff}
.feature-card:first-child p{color:#d6e5ff}
.feature-card h3{font-size:20px;margin:17px 0 9px}
.feature-card p{color:var(--muted);font-size:14px;margin:0}
.icon{width:43px;height:43px;border-radius:13px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:18px}
.feature-card:first-child .icon{background:rgba(255,255,255,.17);color:#fff}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.scene{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;grid-template-columns:48px 1fr;gap:17px;transition:.25s}
.scene:hover{border-color:#bcd3f4;box-shadow:var(--shadow-sm)}
.scene h3{font-size:18px;margin:0 0 6px;color:var(--blue-deep)}
.scene p{color:var(--muted);font-size:14px;margin:0}
.process{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:18px 25px 18px 0}
.step:not(:last-child):after{content:"→";position:absolute;right:14px;top:31px;color:var(--cyan);font-size:22px;font-weight:800}
.step-no{color:var(--blue);font-weight:900;font-size:13px;letter-spacing:.1em}
.step h3{margin:8px 0 5px;font-size:17px}
.step p{color:var(--muted);font-size:13px;margin:0}
.evidence{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:stretch}
.evidence-box{background:var(--blue-deep);color:#fff;border-radius:24px;padding:34px;box-shadow:var(--shadow)}
.evidence-box h2{font-size:32px;line-height:1.3;margin:12px 0}
.evidence-box p{color:#ccddfa}
.data-row{display:flex;gap:28px;margin-top:27px;flex-wrap:wrap}
.data strong{display:block;font-size:29px;color:#fff}
.data span{font-size:12px;color:#aac5ec}
.security-list{display:grid;gap:12px}
.security-list article{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px}
.security-list h3{margin:0 0 5px;font-size:16px;color:var(--blue-deep)}
.security-list p{margin:0;color:var(--muted);font-size:13px}
.info-band{background:#eef7ff}
.notice-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.notice{background:#fff;border:1px solid var(--line);border-radius:20px;padding:27px}
.notice h3{font-size:20px;color:var(--blue-deep);margin-bottom:10px}
.notice p{color:var(--muted);margin-bottom:16px}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px}
.faq-wrap>div>p{color:var(--muted)}
.faq-list{display:grid;gap:11px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 19px}
.faq-list summary{font-weight:700;color:var(--blue-deep);cursor:pointer}
.faq-list p{color:var(--muted);font-size:14px;margin:12px 0 0;padding-top:11px;border-top:1px solid var(--line)}
.cta{padding:70px 0;background:linear-gradient(120deg,#0b2b63,#155eef);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:34px;line-height:1.3;margin:9px 0 8px}
.cta p{color:#d9e7ff;margin:0;max-width:650px}
.cta .btn-light{white-space:nowrap}
.footer{background:#fff;border-top:1px solid var(--line);padding:57px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer .brand{margin-bottom:16px}
.footer p{color:var(--muted);font-size:13px;max-width:310px}
.footer h3{font-size:15px;color:var(--blue-deep);margin:5px 0 14px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer li,.footer li a{font-size:13px;color:var(--muted)}
.footer li a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:35px;padding-top:19px;color:#8190a7;font-size:12px}
.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1024px){
 .nav{gap:14px}.brand{min-width:170px}.nav-links a{padding:9px 7px}
 .page-hero-inner{grid-template-columns:1fr .85fr;gap:25px}.feature-grid{grid-template-columns:repeat(2,1fr)}
 .feature-card:first-child{grid-column:span 2}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav{min-height:68px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.menu-toggle{display:block}.nav-tools .btn{display:none}
 .page-hero-inner,.intro-grid,.evidence,.notice-grid,.faq-wrap{grid-template-columns:1fr}
 .page-hero-inner{padding:62px 0}.hero-panel{max-width:560px}
 .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:13px}
 .process-grid{grid-template-columns:repeat(2,1fr);gap:16px}.step:not(:last-child):after{display:none}
 .footer-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .btn{margin-top:23px}
}
@media(max-width:520px){
 h1{font-size:40px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}
 .feature-grid,.scene-grid,.process-grid{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}
 .visual-image img{height:270px}.copy h2{font-size:28px}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid}
 .data-row{gap:18px}.cta h2{font-size:28px}
}

/* roulang page: category4 */
:root{
 --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
 --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
 --soft:#edf4ff;--orange:#ff9d52;--green:#0b9b87;--radius:22px;
 --radius-sm:14px;--shadow:0 18px 50px rgba(31,70,125,.11);
 --shadow-sm:0 8px 24px rgba(31,70,125,.08);--max:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.9)}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted);display:grid;place-items:center}
.tool-btn:hover{color:var(--blue);border-color:#b9ceef}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;width:40px;height:40px;color:var(--blue)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
.btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
.btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#071c43;transform:translateY(-2px)}
.btn:focus-visible,.tool-btn:focus-visible,.nav-links a:focus-visible{outline:3px solid rgba(20,184,196,.35);outline-offset:3px}
.hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.9) 50%,rgba(244,249,255,.4))}
.hero-inner{position:relative;z-index:1;padding:72px 0 68px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.055em;color:var(--blue-deep);margin:16px 0 20px}
.hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:650px;margin:0 0 29px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.95);border-radius:26px;padding:25px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
.panel-title{font-weight:800;color:var(--blue-deep);font-size:18px}
.status{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-size:12px;font-weight:700}
.status:before{content:"";width:8px;height:8px;background:#24c49a;border-radius:50%;box-shadow:0 0 0 5px #def8f0}
.account-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.avatar{width:44px;height:44px;border-radius:15px;background:#dceaff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:20px}
.account-row strong{display:block;font-size:15px}.account-row span{display:block;color:var(--muted);font-size:12px}
.panel-link{margin-left:auto;color:var(--blue);font-size:12px;font-weight:700}
.section{padding:82px 0}.section-tight{padding:58px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0;color:var(--blue-deep)}
.section-head p{max-width:530px;color:var(--muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm)}
.stat b{display:block;color:var(--blue);font-size:30px;line-height:1.2}.stat span{color:var(--muted);font-size:13px}
.service-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
.intro-card{border-radius:var(--radius);padding:35px;background:var(--blue-deep);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
.intro-card h3{font-size:28px;line-height:1.35;margin:12px 0}
.intro-card p{color:#d3e2fb}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.service-card,.step-card,.scenario,.proof-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
.service-card{padding:24px;transition:.3s ease}.service-card:hover,.scenario:hover,.proof-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon{width:42px;height:42px;border-radius:13px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:18px}
.service-card h3{font-size:18px;margin:14px 0 6px}.service-card p{font-size:13px;color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.visual-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#dceaff}
.visual-image img{width:100%;height:380px;object-fit:cover}
.check-list{list-style:none;margin:23px 0 28px;padding:0;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;color:#40536f}
.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step-card{padding:22px;position:relative}.step-no{color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.08em}
.step-card h3{margin:10px 0 7px;font-size:17px}.step-card p{font-size:13px;color:var(--muted);margin:0}
.scenario-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.scenario{padding:28px;transition:.3s ease}.scenario.large{background:#edf4ff;display:flex;justify-content:space-between;gap:20px;align-items:end}
.scenario h3{font-size:23px;color:var(--blue-deep);margin:9px 0}.scenario p{color:var(--muted);margin:0;font-size:14px}
.scenario img{width:180px;height:130px;object-fit:cover;border-radius:15px}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.proof-card{padding:25px;transition:.3s ease}.proof-card strong{display:block;color:var(--blue-deep);font-size:18px;margin-bottom:8px}.proof-card p{color:var(--muted);font-size:13px;margin:0}
.blue-band{background:var(--blue-deep);color:#fff}.blue-band .section-head h2{color:#fff}.blue-band .section-head p{color:#c9daf3}
.security-box{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.security-list div{padding:16px;border:1px solid rgba(255,255,255,.17);border-radius:14px;color:#dceaff}
.security-list b{display:block;color:#fff;margin-bottom:3px}.security-list span{font-size:13px}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:46px}
.faq-wrap>div>p{color:var(--muted)}
.faq-list{display:grid;gap:11px}.faq-item{padding:19px 22px}.faq-item summary{cursor:pointer;font-weight:700;color:var(--blue-deep);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
.cta{padding:46px;border-radius:26px;background:linear-gradient(120deg,#155eef,#0b2b63);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:var(--shadow)}
.cta h2{font-size:30px;margin:0 0 8px}.cta p{color:#d7e5fb;margin:0;max-width:650px}
.footer{background:#fff;border-top:1px solid var(--line);padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer p{color:var(--muted);font-size:13px;max-width:330px;margin-top:17px}.footer h3{font-size:14px;color:var(--blue-deep);margin:5px 0 14px}.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer li,.footer li a{font-size:13px;color:var(--muted)}.footer li a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8390a5;font-size:12px}.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1024px){.nav{gap:15px}.brand{min-width:170px}.nav-links a{padding:9px 8px}.hero-grid,.service-layout,.security-box{grid-template-columns:1fr}.hero-panel{max-width:600px}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav{min-height:68px}.nav-links{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);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-tools .tool-btn,.nav-tools .btn{display:none}.menu-toggle{display:grid;place-items:center}.hero-inner{padding:58px 0}.hero-grid{gap:28px}h1{font-size:42px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}.stats{grid-template-columns:repeat(2,1fr)}.split,.scenario-grid,.faq-wrap{grid-template-columns:1fr;gap:25px}.proof-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta{display:block;padding:31px}.cta .btn{margin-top:22px}}
@media(max-width:520px){.hero-actions .btn{width:100%}.service-grid,.security-list,.steps{grid-template-columns:1fr}.stats{gap:9px}.stat{padding:16px}.stat b{font-size:24px}.intro-card{padding:25px}.visual-image img{height:280px}.scenario.large{display:block}.scenario img{width:100%;height:190px;margin-top:20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:7px}h1{font-size:36px}}

/* roulang page: category6 */
:root{
      --blue:#155eef;--blue-deep:#0b2b63;--cyan:#14b8c4;--ink:#14213d;
      --muted:#66758f;--paper:#f6f9fd;--white:#fff;--line:#e5ebf4;
      --soft:#edf4ff;--orange:#ff9d52;--green:#1ca783;--radius:22px;
      --radius-sm:14px;--shadow:0 18px 50px rgba(31,70,125,.11);
      --shadow-sm:0 8px 24px rgba(31,70,125,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
    .header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,235,244,.9)}
    .nav{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:190px;font-size:21px;font-weight:800;letter-spacing:.04em;color:var(--blue-deep)}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(21,94,239,.25)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:10px 12px;border-radius:10px;color:#596982;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .tool-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;color:var(--muted);font-size:17px}
    .tool-btn:hover{color:var(--blue);border-color:#b9ceef}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--blue-deep);font-size:25px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(21,94,239,.2)}
    .btn-primary:hover{background:#0e49c7;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d4e1f4}
    .btn-light:hover{border-color:var(--blue);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#071c43;transform:translateY(-2px)}
    .hero{position:relative;overflow:hidden;background:#eaf3ff url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.9) 52%,rgba(244,249,255,.28))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:82px 0 74px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--cyan)}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.055em;color:var(--blue-deep);margin:15px 0 20px}
    h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;color:var(--blue-deep);margin:10px 0 0}
    h3{line-height:1.4}
    .hero-lead{font-size:18px;line-height:1.9;color:#536783;max-width:640px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .status-panel{background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.95);border-radius:26px;padding:25px;box-shadow:var(--shadow)}
    .status-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
    .status-top strong{font-size:18px;color:var(--blue-deep)}
    .online{font-size:12px;color:var(--green);font-weight:800}
    .online:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#2ac59a;margin-right:6px;box-shadow:0 0 0 5px #dff8ee}
    .icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
    .icon-cell{padding:17px 10px;border:1px solid var(--line);border-radius:15px;background:#fbfdff;text-align:center;color:#4e6380;font-size:13px}
    .icon-cell b{display:block;font-size:23px;color:var(--blue);margin-bottom:4px}
    .status-bar{height:8px;border-radius:10px;background:#e4edf9;margin-top:22px;overflow:hidden}
    .status-bar span{display:block;width:86%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:10px}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .surface{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .quick-card,.service-card,.scene-card,.step-card,.security-card,.faq-item,.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:.3s ease}
    .quick-card{padding:23px}
    .quick-card:hover,.service-card:hover,.scene-card:hover,.step-card:hover,.security-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .num{color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.08em}
    .quick-card h3{margin:8px 0 6px;font-size:18px;color:var(--blue-deep)}
    .quick-card p,.service-card p,.scene-card p,.security-card p{margin:0;color:var(--muted);font-size:13px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .split-image{border-radius:25px;overflow:hidden;box-shadow:var(--shadow);min-height:360px}
    .split-image img{width:100%;height:100%;object-fit:cover}
    .check-list{list-style:none;margin:23px 0 28px;padding:0;display:grid;gap:13px}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#40536f}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#def7f2;color:#078c89;font-weight:800}
    .service-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .service-card{padding:27px}
    .service-card.large{grid-row:span 2;background:linear-gradient(145deg,#0d387d,#155eef);color:white}
    .service-card.large p{color:#d6e5ff}
    .service-card h3{margin:9px 0 9px;font-size:21px;color:var(--blue-deep)}
    .service-card.large h3{color:#fff;font-size:28px}
    .service-label{display:inline-block;padding:4px 9px;border-radius:7px;background:var(--soft);color:var(--blue);font-size:11px;font-weight:800}
    .service-card.large .service-label{background:rgba(255,255,255,.17);color:#fff}
    .scene-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
    .scene-card{padding:23px}
    .scene-card img{height:190px;width:100%;object-fit:cover;border-radius:13px;margin-bottom:16px}
    .scene-card h3{margin:0 0 7px;color:var(--blue-deep)}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step-card{padding:22px;position:relative}
    .step-card strong{display:block;font-size:31px;color:#c9dafa;line-height:1}
    .step-card h3{font-size:17px;margin:16px 0 7px}
    .step-card p{margin:0;color:var(--muted);font-size:13px}
    .dark-section{background:var(--blue-deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-kicker{color:#8fdbe0}
    .security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:30px}
    .security-card{padding:23px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15)}
    .security-card h3{color:#fff;margin:0 0 8px}
    .security-card p{color:#c9d9f2}
    .notice{display:flex;gap:16px;align-items:flex-start;padding:22px 25px;border-radius:17px;background:#eef9f8;border:1px solid #c9eeea;color:#346a6b}
    .notice b{font-size:23px;color:#0b9f9e}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}
    .faq-wrap>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{overflow:hidden;box-shadow:none}
    .faq-question{width:100%;padding:18px 20px;border:0;background:#fff;text-align:left;color:var(--blue-deep);font-weight:800;display:flex;justify-content:space-between;align-items:center}
    .faq-question span{font-size:22px;color:var(--blue)}
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:58px 0;background:#eaf3ff}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#fff;padding:32px 38px;border:1px solid var(--line);border-radius:25px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:30px}
    .cta-box p{color:var(--muted);margin:8px 0 0}
    .footer{background:#fff;border-top:1px solid var(--line);padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer .brand{margin-bottom:17px}
    .footer p{color:var(--muted);font-size:13px;max-width:320px}
    .footer h3{font-size:15px;color:var(--blue-deep);margin:4px 0 15px}
    .footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .footer li a{font-size:13px;color:var(--muted)}
    .footer li a:hover,.footer-bottom a:hover{color:var(--blue)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:#8996a9;font-size:12px}
    :focus-visible{outline:3px solid rgba(20,184,196,.45);outline-offset:3px}
    @media(max-width:1024px){.nav{gap:14px}.brand{min-width:160px}.nav-links a{padding:9px 7px}.hero-inner{gap:30px}.quick-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav{min-height:68px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.menu-toggle{display:block}.nav-tools .btn{display:none}.hero-inner,.split,.scene-layout,.faq-wrap{grid-template-columns:1fr}.hero-inner{padding:65px 0}.status-panel{max-width:520px}.section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:13px}.service-grid{grid-template-columns:1fr}.service-card.large{grid-row:auto}.scene-list{grid-template-columns:1fr}.step-grid{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:1fr}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){h1{font-size:40px}.hero-lead{font-size:16px}.quick-grid,.step-grid{grid-template-columns:1fr}.icon-grid{gap:7px}.icon-cell{padding:13px 5px}.split-image{min-height:250px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:8px}}