/* roulang page: index */
:root{
      --navy:#102b52;
      --blue:#1769e0;
      --blue-deep:#0b4bb3;
      --cyan:#28b9cf;
      --ink:#14243b;
      --muted:#66758a;
      --soft:#f3f7fc;
      --pale:#eaf3ff;
      --line:#dce6f1;
      --white:#fff;
      --orange:#ff9d4d;
      --green:#23a879;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 18px 55px rgba(35,76,128,.12);
      --shadow-sm:0 8px 26px rgba(35,76,128,.09);
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(23,105,224,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before{content:"";width:24px;height:3px;border-radius:10px;background:var(--cyan)}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.025em}
    h2{font-size:clamp(28px,3.2vw,44px);margin-bottom:18px}
    h3{font-size:21px;margin-bottom:10px}
    .section{padding:88px 0}
    .section-head{max-width:700px;margin-bottom:36px}
    .section-head p{color:var(--muted);font-size:16px;margin-bottom:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
    .btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
    .btn-dark{background:var(--navy);color:#fff}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
    .nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
    .brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
    .nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
    .nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
    .nav-cta{white-space:nowrap;margin-left:auto}
    .menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
    .hero{position:relative;overflow:hidden;padding:92px 0 74px;background:linear-gradient(90deg,rgba(10,31,65,.94),rgba(16,61,116,.84)),url("/assets/images/backpic/back-1.webp") center/cover}
    .hero::after{content:"";position:absolute;width:430px;height:430px;right:-120px;top:-180px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:70px}
    .hero-copy{color:#fff;max-width:650px}
    .hero-copy .eyebrow{color:#9ddaf4}
    .hero h1{font-size:clamp(42px,5.8vw,74px);margin:20px 0 22px;max-width:680px}
    .hero-lead{font-size:18px;color:#d8e9fb;max-width:620px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 28px}
    .hero-metrics{display:flex;flex-wrap:wrap;gap:26px;color:#d5e6f7}
    .metric strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .metric span{font-size:13px}
    .lead-card{background:rgba(255,255,255,.96);border-radius:24px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.2);max-width:430px;margin-left:auto}
    .lead-card h3{font-size:25px;color:var(--navy)}
    .lead-card p{font-size:14px;color:var(--muted)}
    .lead-form{display:grid;gap:12px}
    .field{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:11px;background:#fbfdff;color:var(--ink)}
    .field:focus{border-color:var(--blue);outline:3px solid rgba(23,105,224,.1)}
    .form-note{font-size:12px;color:#8491a2;margin:0}
    .live-strip{margin-top:-32px;position:relative;z-index:3}
    .live-panel{display:grid;grid-template-columns:1.1fr 1.8fr .8fr;align-items:center;gap:20px;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .live-label{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--navy)}
    .pulse{width:10px;height:10px;border-radius:50%;background:#ef5864;box-shadow:0 0 0 6px rgba(239,88,100,.14)}
    .live-match{display:flex;align-items:center;gap:17px;border-left:1px solid var(--line);padding-left:22px}
    .live-match strong{color:var(--navy)}
    .live-score{font-size:23px;font-weight:900;color:var(--blue)}
    .live-panel .btn{justify-self:end}
    .split-section{background:#fff}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .feature-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:390px;box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-caption{position:absolute;left:22px;right:22px;bottom:22px;padding:17px 18px;border-radius:15px;background:rgba(9,31,65,.78);backdrop-filter:blur(8px);color:#fff}
    .image-caption strong{display:block;font-size:20px}
    .image-caption span{font-size:13px;color:#cbdcf0}
    .answer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px}
    .answer-main{padding:34px;background:var(--navy);border-radius:var(--radius-lg);color:#fff;min-height:250px}
    .answer-main h3{font-size:28px}
    .answer-main p{color:#d3e2f4}
    .answer-list{display:grid;gap:13px}
    .answer-item{display:flex;gap:13px;align-items:flex-start;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
    .answer-item b{color:var(--blue);font-size:20px}
    .answer-item span{font-size:14px;color:#526177}
    .three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .selling-card{min-height:235px;padding:28px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.25s}
    .selling-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon-box{display:grid;place-items:center;width:48px;height:48px;margin-bottom:23px;border-radius:14px;background:#eaf4ff;color:var(--blue);font-size:23px}
    .selling-card p,.scene-card p,.trust-card p{color:var(--muted);font-size:14px}
    .selling-card:nth-child(2){background:var(--blue);color:#fff;border-color:var(--blue)}
    .selling-card:nth-child(2) p{color:#d9e8ff}
    .selling-card:nth-child(2) .icon-box{background:rgba(255,255,255,.16);color:#fff}
    .scene-section{background:#edf5fc}
    .scene-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .scene-card{position:relative;min-height:285px;padding:28px;border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line)}
    .scene-card.large{grid-row:span 2;min-height:590px;color:#fff;background:linear-gradient(180deg,rgba(16,43,82,.15),rgba(16,43,82,.92)),url("/assets/images/coverpic/cover-4.webp") center/cover}
    .scene-card.large p{color:#e1edf9}
    .scene-card:not(.large) img{position:absolute;right:0;bottom:0;width:43%;height:100%;object-fit:cover;opacity:.9}
    .scene-card:not(.large) .scene-text{position:relative;z-index:1;width:62%}
    .news-layout{display:grid;grid-template-columns:1fr 330px;gap:28px}
    .news-list{display:grid;gap:0;border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-date{font-weight:800;color:var(--blue);font-size:13px}
    .news-item h3{font-size:18px;margin:0 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .text-link{color:var(--blue);font-size:13px;font-weight:800;white-space:nowrap}
    .recommend{padding:24px;border-radius:20px;background:var(--navy);color:#fff}
    .recommend img{width:100%;height:140px;object-fit:cover;border-radius:14px;margin-bottom:18px}
    .recommend p{font-size:14px;color:#c7d9ed}
    .security{background:var(--navy);color:#fff}
    .security .section-head p{color:#bdd0e5}
    .security-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .security-points{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .security-point{padding:19px;border:1px solid rgba(255,255,255,.15);border-radius:15px;background:rgba(255,255,255,.06)}
    .security-point strong{display:block;margin-bottom:4px}
    .security-point span{color:#bfd0e2;font-size:13px}
    .shield-card{padding:30px;border-radius:24px;background:linear-gradient(135deg,#1a66ca,#1fb5c4);box-shadow:0 20px 45px rgba(0,0,0,.18)}
    .shield-card .big-shield{font-size:65px;line-height:1;margin-bottom:20px}
    .app-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
    .app-visual{position:relative;min-height:330px;padding:30px;border-radius:26px;background:linear-gradient(145deg,#dcecff,#f7fbff);overflow:hidden}
    .phone-card{position:absolute;right:45px;top:30px;width:215px;padding:18px;border-radius:25px;background:#102b52;color:#fff;box-shadow:0 20px 35px rgba(16,43,82,.25);transform:rotate(6deg)}
    .phone-card img{height:180px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:15px}
    .phone-card b{font-size:18px}
    .app-copy p{color:var(--muted)}
    .app-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:23px 0}
    .app-points span{padding:12px 14px;border-radius:11px;background:#f3f7fc;color:#40536d;font-size:14px}
    .trust-section{background:#fff}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .trust-card{padding:22px;border:1px solid var(--line);border-radius:17px}
    .trust-number{font-size:34px;font-weight:900;color:var(--blue);line-height:1.1}
    .brand-story{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .story-copy p{color:var(--muted)}
    .story-quote{padding:33px;background:#eaf4ff;border-radius:22px;border-left:5px solid var(--blue);font-size:21px;font-weight:800;color:var(--navy)}
    .story-quote small{display:block;margin-top:16px;color:var(--muted);font-size:13px;font-weight:500}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
    .step{position:relative;padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .step::before{counter-increment:step;content:"0" counter(step);display:block;margin-bottom:20px;color:var(--cyan);font-size:27px;font-weight:900}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .faq-section{background:#f0f6fc}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    details{padding:19px 21px;background:#fff;border:1px solid var(--line);border-radius:14px}
    summary{cursor:pointer;font-weight:800;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";color:var(--blue);font-size:22px;line-height:1}
    details[open] summary::after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:14px 0 0}
    .cta-section{padding:75px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 50px;border-radius:26px;background:linear-gradient(110deg,#1769e0,#0b4bb3);color:#fff;box-shadow:var(--shadow)}
    .cta-box h2{margin-bottom:10px}
    .cta-box p{margin:0;color:#d9e9ff;max-width:650px}
    .footer{padding:52px 0 112px;background:#0b1d38;color:#c0d0e3}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
    .footer .brand{color:#fff;margin-bottom:17px}
    .footer h4{color:#fff;margin-bottom:14px}
    .footer p,.footer a{font-size:13px;color:#9fb2c9}
    .footer a:hover{color:#fff}
    .footer-links{display:grid;gap:7px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:28px;margin-top:35px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8da1bb}
    .footer-bottom a{font-size:12px}
    .float-cta{position:fixed;z-index:15;bottom:0;left:0;right:0;padding:11px 20px;background:rgba(9,29,57,.94);backdrop-filter:blur(12px);color:#fff}
    .float-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .float-inner span{font-size:14px}
    @media(max-width:1024px){
      .nav-link{padding-inline:8px;font-size:13px}
      .hero-grid,.security-grid,.app-grid,.brand-story{gap:35px}
      .trust-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .section{padding:62px 0}
      .nav-panel{position:relative;padding:10px 12px 10px 15px}
      .brand{min-width:auto;font-size:20px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-scroll{display:none;position:absolute;left:0;right:0;top:70px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-wrap:wrap}
      .nav-scroll.open{display:flex}
      .nav-link{width:calc(50% - 5px)}
      .nav-cta{display:none}
      .hero{padding:65px 0 60px}
      .hero-grid,.split-grid,.answer-grid,.scene-grid,.news-layout,.security-grid,.app-grid,.brand-story{grid-template-columns:1fr}
      .lead-card{margin:0;max-width:none}
      .live-panel{grid-template-columns:1fr}
      .live-match{border-left:0;border-top:1px solid var(--line);padding:15px 0 0}
      .live-panel .btn{justify-self:start}
      .scene-card.large{min-height:390px;grid-row:auto}
      .news-item{grid-template-columns:70px 1fr}
      .news-item .text-link{grid-column:2}
      .steps{grid-template-columns:repeat(2,1fr)}
      .faq-grid{grid-template-columns:1fr}
      .cta-box{padding:32px 25px;display:block}
      .cta-box .btn{margin-top:22px}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .hero h1{font-size:42px}
      .hero-lead{font-size:16px}
      .hero-actions,.hero-metrics{gap:10px}
      .hero-actions .btn{width:100%}
      .three-grid,.security-points,.app-points,.trust-grid,.steps{grid-template-columns:1fr}
      .feature-image{min-height:300px}
      .news-item{grid-template-columns:1fr;gap:4px}
      .news-item .text-link{grid-column:auto}
      .phone-card{right:25px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .float-inner span{font-size:12px}
      .float-inner .btn{min-height:40px;padding-inline:14px;font-size:13px}
    }

/* roulang page: category3 */
:root{
      --navy:#102b52;
      --blue:#1769e0;
      --blue-deep:#0b4bb3;
      --cyan:#28b9cf;
      --ink:#14243b;
      --muted:#66758a;
      --soft:#f3f7fc;
      --pale:#eaf3ff;
      --line:#dce6f1;
      --white:#fff;
      --orange:#ff9d4d;
      --green:#23a879;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 18px 55px rgba(35,76,128,.12);
      --shadow-sm:0 8px 26px rgba(35,76,128,.09);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:10px;background:var(--cyan)}
    .section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:36px}
    .section-head h2{margin:12px 0 10px;font-size:clamp(28px,4vw,46px);line-height:1.22;letter-spacing:-.04em;color:var(--navy)}
    .section-head p{margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
    .btn:focus,.nav-link:focus,.faq-q:focus,.menu-toggle:focus{outline:3px solid rgba(40,185,207,.35);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
    .btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
    .btn-dark{background:var(--navy);color:#fff}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
    .nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
    .brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
    .nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
    .nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
    .nav-cta{white-space:nowrap;margin-left:auto}
    .menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
    .hero{position:relative;overflow:hidden;padding:78px 0 70px;background:linear-gradient(92deg,rgba(10,31,65,.95),rgba(16,61,116,.84)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero:after{content:"";position:absolute;width:460px;height:460px;right:-150px;top:-180px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .hero-copy{color:#fff;max-width:650px}
    .hero-copy .eyebrow{color:#9ddaf4}
    .hero h1{font-size:clamp(40px,5.4vw,68px);line-height:1.12;letter-spacing:-.06em;margin:18px 0}
    .hero-lead{font-size:18px;color:#d8e9fb;max-width:620px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
    .hero-metrics{display:flex;flex-wrap:wrap;gap:25px;color:#d5e6f7}
    .hero-metrics strong{display:block;color:#fff;font-size:23px;line-height:1.2}
    .hero-metrics span{font-size:12px}
    .count-card{position:relative;background:rgba(255,255,255,.96);border-radius:24px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.2);max-width:440px;margin-left:auto}
    .count-card h3{font-size:24px;color:var(--navy);margin:0 0 8px}
    .count-card p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .count-wrap{display:flex;align-items:center;gap:22px;margin:15px 0 22px}
    .count-ring{width:132px;height:132px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) 0 72%,#e6eef8 72% 100%);position:relative;flex:none}
    .count-ring:after{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff}
    .count-ring strong{position:relative;z-index:1;font-size:28px;color:var(--navy)}
    .count-ring span{position:absolute;z-index:1;margin-top:57px;font-size:11px;color:var(--muted)}
    .count-info{display:grid;gap:8px;font-size:13px;color:var(--muted)}
    .count-info b{color:var(--navy)}
    .dots{display:flex;gap:7px;margin-top:20px}
    .dot{width:8px;height:8px;border-radius:50%;background:#bfd1e6;transition:.25s}
    .dot.active{width:24px;border-radius:10px;background:var(--blue)}
    .form-note{font-size:12px;color:#8491a2;margin:12px 0 0}
    .intro{background:#fff}
    .intro-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:start}
    .intro-copy p{color:var(--muted);font-size:16px}
    .quote-box{padding:30px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-lg);border-left:5px solid var(--cyan)}
    .quote-box strong{display:block;color:var(--navy);font-size:24px;line-height:1.35;margin-bottom:12px}
    .quote-box span{font-size:14px;color:var(--muted)}
    .benefits{background:#f1f6fc}
    .benefit-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .benefit-main{padding:34px;border-radius:var(--radius-lg);background:var(--navy);color:#fff;min-height:330px}
    .benefit-main h3{font-size:29px;margin:14px 0}
    .benefit-main p{color:#d3e2f4}
    .benefit-list{display:grid;gap:13px}
    .benefit-item{display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm)}
    .benefit-item b{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--pale);color:var(--blue);flex:none}
    .benefit-item strong{display:block;color:var(--navy);font-size:15px}
    .benefit-item span{display:block;color:var(--muted);font-size:13px}
    .scenes{background:#fff}
    .scene-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .scene-card{position:relative;min-height:255px;padding:30px;border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .scene-card.large{grid-row:span 2;min-height:530px;color:#fff;background:linear-gradient(180deg,rgba(16,43,82,.12),rgba(16,43,82,.92)),url("/assets/images/coverpic/cover-6.webp") center/cover}
    .scene-card.large p{color:#e1edf9}
    .scene-card:not(.large) img{position:absolute;right:0;bottom:0;width:43%;height:100%;object-fit:cover;opacity:.9}
    .scene-text{position:relative;z-index:1;max-width:66%}
    .scene-card.large .scene-text{max-width:80%;position:absolute;left:30px;bottom:28px}
    .scene-card h3{font-size:24px;margin:13px 0 8px}
    .scene-card p{color:var(--muted);font-size:14px}
    .feature-strip{background:var(--soft)}
    .strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .strip-item{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .strip-item strong{display:block;font-size:28px;color:var(--blue);line-height:1.1}
    .strip-item span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .steps{background:#fff}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);position:relative}
    .step-number{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:var(--blue);font-weight:900}
    .step h3{margin:18px 0 7px;color:var(--navy);font-size:20px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .calendar{background:#eef6ff}
    .calendar-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
    .calendar-copy{padding:34px;background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line)}
    .calendar-copy h3{font-size:27px;color:var(--navy);margin:12px 0}
    .calendar-copy p{color:var(--muted)}
    .calendar-list{display:grid;gap:12px}
    .match{display:grid;grid-template-columns:80px 1fr auto;gap:16px;align-items:center;padding:18px 20px;background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .match time{font-weight:900;color:var(--blue);font-size:14px}
    .match strong{display:block;color:var(--navy)}
    .match span{font-size:12px;color:var(--muted)}
    .match em{font-style:normal;font-size:12px;color:var(--green);font-weight:800}
    .trust{background:#fff}
    .trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .trust-card{padding:30px;border-radius:22px;background:var(--navy);color:#fff}
    .trust-card.light{background:var(--soft);color:var(--ink);border:1px solid var(--line)}
    .trust-card h3{font-size:25px;margin:0 0 12px}
    .trust-card p{color:#d3e2f4}
    .trust-card.light p{color:var(--muted)}
    .check-list{display:grid;gap:11px;margin:20px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:900}
    .faq{background:#f2f7fc}
    .faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:45px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .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;padding:19px 20px;background:#fff;color:var(--navy);font-weight:800;text-align:left}
    .faq-q span:last-child{color:var(--blue);font-size:22px}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding:72px 0;background:linear-gradient(115deg,var(--blue-deep),var(--navy));color:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin:0 0 8px;font-size:clamp(28px,4vw,44px);line-height:1.2}
    .cta p{margin:0;color:#d8e8fa;max-width:650px}
    .footer{padding:58px 0 20px;background:#fff;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:35px}
    .footer .brand{margin-bottom:16px}
    .footer p{color:var(--muted);font-size:14px;margin:0}
    .footer h4{margin:7px 0 14px;color:var(--navy);font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a,.text-link{color:var(--muted);font-size:14px;transition:.2s}
    .footer-links a:hover,.text-link:hover{color:var(--blue)}
    .text-link{display:inline-block;margin-top:14px;color:var(--blue);font-weight:800}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;margin-top:40px;padding-top:18px;border-top:1px solid var(--line);color:#8290a2;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    .fixed-bar{position:fixed;right:22px;bottom:22px;z-index:15;display:flex;align-items:center;gap:14px;padding:11px 12px 11px 18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .fixed-bar span{font-size:13px;color:var(--navy);font-weight:800}
    @media(max-width:1024px){
      .hero-grid,.intro-grid,.benefit-grid,.calendar-grid,.faq-grid{grid-template-columns:1fr}
      .count-card{margin:0;max-width:none}
      .scene-grid{grid-template-columns:1fr 1fr}
      .scene-card.large{grid-row:auto;min-height:420px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .site-header{padding:8px 0}
      .nav-panel{padding:9px 12px 9px 14px}
      .brand{min-width:auto;font-size:19px}
      .brand-mark{width:34px;height:34px}
      .nav-scroll{display:none;position:absolute;left:14px;right:14px;top:78px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
      .nav-scroll.open{display:grid}
      .nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .hero{padding:62px 0 52px}
      .hero h1{font-size:43px}
      .hero-lead{font-size:16px}
      .section{padding:62px 0}
      .scene-grid,.steps-grid,.trust-grid{grid-template-columns:1fr}
      .scene-card.large{min-height:390px}
      .strip-grid{grid-template-columns:1fr 1fr}
      .match{grid-template-columns:65px 1fr}
      .match em{grid-column:2}
      .cta-box{display:grid}
      .fixed-bar{left:14px;right:14px;bottom:14px;justify-content:space-between}
    }
    @media(max-width:520px){
      .hero h1{font-size:37px}
      .hero-actions .btn{width:100%}
      .count-wrap{gap:14px}
      .count-ring{width:112px;height:112px}
      .count-info{font-size:12px}
      .strip-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
      .scene-card:not(.large) img{opacity:.35;width:55%}
      .scene-text{max-width:90%}
      .scene-card.large .scene-text{max-width:90%;left:22px}
    }

/* roulang page: category2 */
:root{
      --navy:#102b52;
      --blue:#1769e0;
      --blue-deep:#0b4bb3;
      --cyan:#28b9cf;
      --ink:#14243b;
      --muted:#66758a;
      --soft:#f3f7fc;
      --pale:#eaf3ff;
      --line:#dce6f1;
      --white:#fff;
      --orange:#ff9d4d;
      --green:#23a879;
      --red:#ef6b74;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 18px 55px rgba(35,76,128,.12);
      --shadow-sm:0 8px 26px rgba(35,76,128,.09);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow::before{content:"";width:24px;height:3px;border-radius:10px;background:var(--cyan)}
    .section{padding:84px 0}
    .section-head{max-width:720px;margin-bottom:34px}
    .section-head h2{margin:12px 0 10px;font-size:clamp(28px,3.8vw,46px);line-height:1.2;letter-spacing:-.04em;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
    .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(40,185,207,.45);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
    .btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
    .btn-dark{background:var(--navy);color:#fff}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
    .nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
    .brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
    .nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
    .nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
    .nav-cta{white-space:nowrap;margin-left:auto}
    .menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
    .inner-hero{position:relative;overflow:hidden;padding:68px 0 62px;background:linear-gradient(105deg,rgba(10,31,65,.95),rgba(20,77,137,.83)),url("/assets/images/backpic/back-2.webp") center/cover}
    .inner-hero::before{content:"";position:absolute;inset:auto -80px -190px auto;width:470px;height:470px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
    .inner-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
    .inner-copy{color:#fff;max-width:680px}
    .inner-copy .eyebrow{color:#9ddaf4}
    .inner-copy h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.05em;margin:17px 0}
    .inner-copy p{color:#d7e8fa;font-size:18px;max-width:650px;margin:0}
    .hero-side{padding:23px;border-radius:24px;background:rgba(255,255,255,.96);box-shadow:0 24px 60px rgba(0,0,0,.2)}
    .hero-side h3{margin:0 0 5px;font-size:23px;color:var(--navy)}
    .hero-side p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .mini-score{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}
    .team{text-align:center;font-weight:800;color:var(--navy)}
    .team small{display:block;color:var(--muted);font-size:11px;font-weight:600}
    .score{font-size:28px;font-weight:900;color:var(--blue)}
    .score em{font-size:12px;font-style:normal;color:var(--green);display:block;text-align:center}
    .data-strip{margin-top:-28px;position:relative;z-index:3}
    .data-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
    .data-stat{padding:22px 24px;border-right:1px solid var(--line)}
    .data-stat:last-child{border-right:0}
    .data-stat strong{display:block;font-size:29px;color:var(--navy);line-height:1.15}
    .data-stat span{font-size:13px;color:var(--muted)}
    .data-stat b{font-size:12px;color:var(--green);margin-left:8px}
    .white-section{background:#fff}
    .value-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .value-intro{position:sticky;top:110px}
    .value-intro h2{font-size:40px;line-height:1.25;margin:12px 0;color:var(--navy)}
    .value-intro p{color:var(--muted)}
    .value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .value-card{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .value-card:nth-child(2){background:var(--blue);color:#fff;border-color:var(--blue)}
    .value-card:nth-child(2) p{color:#d8e8ff}
    .icon-box{display:grid;place-items:center;width:43px;height:43px;margin-bottom:16px;border-radius:13px;background:#eaf3ff;color:var(--blue);font-size:21px;font-weight:900}
    .value-card h3{margin:0 0 8px;font-size:20px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .data-console{background:#edf5fc}
    .console-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px;align-items:stretch}
    .chart-card,.ranking-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm)}
    .chart-card{padding:28px}
    .card-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}
    .card-title h3{margin:0;color:var(--navy);font-size:22px}
    .card-title p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .chart-area{height:220px;position:relative;border-bottom:1px solid #cddbea;border-left:1px solid #cddbea;background:repeating-linear-gradient(to bottom,transparent 0,transparent 43px,#eaf0f7 44px)}
    .chart-area svg{width:100%;height:100%;overflow:visible}
    .chart-labels{display:flex;justify-content:space-between;color:#8a98a9;font-size:11px;margin-top:7px}
    .ranking-card{padding:24px}
    .ranking-card h3{font-size:21px;margin:0 0 14px;color:var(--navy)}
    .ranking-list{display:grid;gap:12px}
    .ranking-item{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #edf1f6}
    .ranking-item:last-child{border-bottom:0}
    .rank{color:var(--blue);font-weight:900}
    .rank-name{font-weight:700;color:var(--ink);font-size:14px}
    .rank-name small{display:block;color:var(--muted);font-weight:400;font-size:11px}
    .rank-score{font-weight:900;color:var(--navy)}
    .compare-section{background:#fff}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .compare-card{padding:28px;border-radius:22px;border:1px solid var(--line);background:var(--soft)}
    .compare-card.blue{background:var(--navy);color:#fff}
    .compare-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .compare-head h3{margin:0;font-size:23px}
    .compare-head span{font-size:13px;color:var(--muted)}
    .compare-card.blue .compare-head span{color:#bed5ef}
    .bar-row{display:grid;grid-template-columns:70px 1fr 42px;gap:10px;align-items:center;margin:15px 0;font-size:13px}
    .bar-row label{color:var(--muted)}
    .compare-card.blue label{color:#c6d9ed}
    .bar{height:9px;border-radius:99px;background:#dbe7f3;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .bar-row strong{text-align:right;color:var(--navy)}
    .compare-card.blue strong{color:#fff}
    .insight-section{background:#102b52;color:#fff}
    .insight-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .insight-copy h2{font-size:42px;line-height:1.25;margin:12px 0 16px}
    .insight-copy p{color:#c9dbef}
    .insight-points{display:grid;gap:13px;margin-top:24px}
    .insight-point{display:flex;gap:13px;align-items:flex-start;padding:14px 16px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.06)}
    .insight-point b{color:#70d6e5;font-size:20px;line-height:1.2}
    .insight-point span{color:#e1edf8;font-size:14px}
    .photo-panel{min-height:390px;border-radius:25px;overflow:hidden;background:linear-gradient(180deg,rgba(16,43,82,.1),rgba(16,43,82,.75)),url("/assets/images/coverpic/cover-5.webp") center/cover;position:relative;box-shadow:0 20px 50px rgba(0,0,0,.2)}
    .photo-caption{position:absolute;left:25px;right:25px;bottom:22px}
    .photo-caption strong{display:block;font-size:24px}
    .photo-caption span{color:#d7e7f7;font-size:13px}
    .workflow-section{background:#f8fbff}
    .workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .workflow-step{position:relative;padding:25px 20px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
    .workflow-step:not(:last-child)::after{content:"→";position:absolute;right:-17px;top:50%;transform:translateY(-50%);z-index:2;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--cyan);color:#fff;font-weight:900}
    .step-num{font-size:13px;color:var(--blue);font-weight:900}
    .workflow-step h3{margin:10px 0 7px;font-size:19px;color:var(--navy)}
    .workflow-step p{margin:0;color:var(--muted);font-size:13px}
    .scenario-section{background:#fff}
    .scenario-grid{display:grid;grid-template-columns:1fr 1.55fr;gap:23px;align-items:stretch}
    .scenario-list{display:grid;gap:12px}
    .scenario-tab{padding:18px 20px;text-align:left;background:#f6f9fd;border:1px solid var(--line);border-radius:16px;transition:.2s}
    .scenario-tab:hover,.scenario-tab.active{background:#eaf3ff;border-color:#b8d4f2;transform:translateX(4px)}
    .scenario-tab strong{display:block;color:var(--navy);font-size:16px}
    .scenario-tab span{font-size:13px;color:var(--muted)}
    .scenario-detail{min-height:360px;padding:35px;border-radius:24px;background:linear-gradient(120deg,rgba(16,43,82,.9),rgba(23,105,224,.74)),url("/assets/images/coverpic/cover-7.webp") center/cover;color:#fff}
    .scenario-detail .tag{background:rgba(255,255,255,.16);color:#fff}
    .scenario-detail h3{font-size:31px;line-height:1.3;margin:21px 0 12px}
    .scenario-detail p{max-width:560px;color:#d9eafa}
    .scenario-detail ul{padding:0;margin:21px 0 0;list-style:none;display:grid;gap:9px}
    .scenario-detail li{color:#e5f0fc;font-size:14px}
    .scenario-detail li::before{content:"✓";display:inline-grid;place-items:center;width:21px;height:21px;margin-right:8px;border-radius:50%;background:var(--cyan);font-size:12px}
    .trust-section{background:#edf5fc}
    .trust-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .trust-main{padding:32px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .trust-main h3{font-size:27px;color:var(--navy);margin:0 0 13px}
    .trust-main p{color:var(--muted);margin:0 0 22px}
    .trust-badges{display:flex;flex-wrap:wrap;gap:10px}
    .trust-badge{padding:10px 13px;border-radius:12px;background:var(--soft);color:var(--navy);font-weight:800;font-size:13px}
    .trust-quote{padding:32px;border-radius:24px;background:var(--blue);color:#fff;display:flex;flex-direction:column;justify-content:center}
    .trust-quote blockquote{font-size:22px;line-height:1.55;margin:0 0 18px;font-weight:700}
    .trust-quote cite{font-style:normal;color:#d5e8ff;font-size:13px}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 20px;background:transparent;color:var(--navy);font-weight:800;text-align:left}
    .faq-question span:last-child{font-size:23px;color:var(--blue);transition:.2s}
    .faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{padding:68px 0}
    .cta-box{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:42px 48px;border-radius:28px;background:linear-gradient(105deg,var(--navy),#155bb7);color:#fff;box-shadow:var(--shadow)}
    .cta-box::after{content:"";position:absolute;right:-60px;top:-130px;width:340px;height:340px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 40px rgba(255,255,255,.04)}
    .cta-copy{position:relative;z-index:1;max-width:690px}
    .cta-copy h2{margin:0 0 10px;font-size:34px;line-height:1.25}
    .cta-copy p{margin:0;color:#d4e5f7}
    .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px}
    .footer{padding:62px 0 25px;background:#0c2343;color:#d8e7f6}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px}
    .footer .brand{color:#fff;margin-bottom:15px}
    .footer p{font-size:13px;color:#a9bfd7;margin:0}
    .footer h4{color:#fff;margin:5px 0 15px;font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a,.text-link{font-size:13px;color:#a9bfd7;transition:.2s}
    .footer-links a:hover,.text-link:hover{color:#fff}
    .text-link{display:inline-block;margin-top:13px;color:#78d4e6}
    .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:24px;margin-top:38px;border-top:1px solid rgba(216,231,246,.14);font-size:12px;color:#8fa9c4}
    .footer-bottom a{color:#b9d3ed}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){
      .nav-panel{gap:10px}.brand{min-width:135px}
      .nav-link{padding:8px 8px;font-size:13px}
      .inner-hero-grid,.insight-grid,.value-layout,.faq-layout{gap:32px}
      .workflow-grid{grid-template-columns:repeat(2,1fr);gap:18px}
      .workflow-step:not(:last-child)::after{display:none}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .site-header{padding:9px 0}
      .nav-panel{padding:9px 10px 9px 14px}
      .nav-scroll{position:absolute;left:14px;right:14px;top:78px;display:none;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-scroll.open{display:flex}
      .nav-link{padding:11px 13px}
      .nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .inner-hero{padding:55px 0 50px}
      .inner-hero-grid,.value-layout,.console-grid,.insight-grid,.scenario-grid,.trust-layout,.faq-layout{grid-template-columns:1fr}
      .value-intro{position:static}
      .data-strip{margin-top:15px}
      .data-strip-inner{grid-template-columns:repeat(2,1fr)}
      .data-stat:nth-child(2){border-right:0}
      .data-stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .data-stat{padding:18px}
      .compare-grid{grid-template-columns:1fr}
      .photo-panel{min-height:300px}
      .scenario-detail{min-height:340px}
      .cta-box{display:block;padding:32px 25px}
      .cta-actions{margin-top:24px}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .section{padding:62px 0}
      .inner-copy h1{font-size:38px}
      .inner-copy p{font-size:16px}
      .value-list{grid-template-columns:1fr}
      .workflow-grid{grid-template-columns:1fr}
      .data-strip-inner{grid-template-columns:1fr}
      .data-stat{border-right:0!important;border-bottom:1px solid var(--line)}
      .data-stat:last-child{border-bottom:0}
      .compare-card,.chart-card,.ranking-card{padding:21px}
      .insight-copy h2,.value-intro h2{font-size:32px}
      .cta-copy h2{font-size:27px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }

/* roulang page: category1 */
:root{
      --navy:#102b52;
      --blue:#1769e0;
      --blue-deep:#0b4bb3;
      --cyan:#28b9cf;
      --ink:#14243b;
      --muted:#66758a;
      --soft:#f3f7fc;
      --pale:#eaf3ff;
      --line:#dce6f1;
      --white:#fff;
      --orange:#ff9d4d;
      --green:#23a879;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 18px 55px rgba(35,76,128,.12);
      --shadow-sm:0 8px 26px rgba(35,76,128,.09);
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:#f8fbff;
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h2{font-size:clamp(30px,4vw,48px);margin-bottom:15px}
    h3{font-size:24px;margin-bottom:12px}
    p{margin-bottom:16px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:3px;
      border-radius:10px;
      background:var(--cyan);
    }
    .section-head{max-width:700px;margin-bottom:36px}
    .section-head p{color:var(--muted);font-size:16px;margin-bottom:0}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 22px;
      border-radius:12px;
      font-weight:800;
      transition:.25s ease;
      border:1px solid transparent;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
    .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{
      outline:3px solid rgba(40,185,207,.45);
      outline-offset:3px;
    }
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
    .btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
    .btn-dark{background:var(--navy);color:#fff}
    .tag{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      background:var(--pale);
      color:var(--blue);
      font-size:12px;
      font-weight:800;
    }
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      padding:14px 0;
      background:rgba(248,251,255,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(220,230,241,.7);
    }
    .nav-panel{
      min-height:70px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:10px 14px 10px 20px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-sm);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:155px;
      font-weight:900;
      font-size:22px;
      color:var(--navy);
      letter-spacing:-.05em;
    }
    .brand-mark{
      display:grid;
      place-items:center;
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(145deg,var(--blue),var(--cyan));
      color:#fff;
      font-size:18px;
      box-shadow:0 8px 17px rgba(23,105,224,.2);
    }
    .nav-scroll{
      display:flex;
      align-items:center;
      gap:5px;
      flex:1;
      overflow:auto;
      scrollbar-width:none;
    }
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-link{
      white-space:nowrap;
      padding:9px 11px;
      border-radius:10px;
      color:#56667a;
      font-size:14px;
      font-weight:700;
      transition:.2s;
    }
    .nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
    .nav-cta{white-space:nowrap;margin-left:auto}
    .menu-toggle{
      display:none;
      background:#eef5fd;
      color:var(--navy);
      width:42px;
      height:42px;
      border-radius:11px;
      font-size:22px;
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding:80px 0 74px;
      background:
        linear-gradient(90deg,rgba(10,31,65,.96),rgba(16,61,116,.78)),
        url("/assets/images/backpic/back-2.webp") center/cover;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:430px;
      height:430px;
      right:-120px;
      top:-180px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:50%;
      box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      align-items:center;
      gap:65px;
    }
    .hero-copy{color:#fff;max-width:650px}
    .hero-copy .eyebrow{color:#9ddaf4}
    .hero h1{font-size:clamp(42px,5.8vw,72px);margin:20px 0 22px;max-width:660px}
    .hero-lead{font-size:18px;color:#d8e9fb;max-width:625px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 28px}
    .hero-metrics{display:flex;flex-wrap:wrap;gap:26px;color:#d5e6f7}
    .hero-metrics strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .hero-metrics span{font-size:12px;color:#b7cbe0}
    .live-card{
      position:relative;
      max-width:470px;
      margin-left:auto;
      padding:13px;
      background:rgba(255,255,255,.95);
      border-radius:25px;
      box-shadow:0 24px 60px rgba(0,0,0,.22);
    }
    .live-cover{
      position:relative;
      min-height:220px;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      border-radius:18px;
      color:#fff;
      background:
        linear-gradient(180deg,rgba(13,46,91,.08),rgba(10,32,64,.9)),
        url("/assets/images/coverpic/cover-4.webp") center/cover;
    }
    .live-cover-top{display:flex;justify-content:space-between;align-items:center}
    .live-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.17);
      backdrop-filter:blur(8px);
      font-size:12px;
      font-weight:800;
    }
    .live-dot::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:#ff6c72;
      box-shadow:0 0 0 4px rgba(255,108,114,.2);
    }
    .live-time{font-size:12px;color:#e2eef9}
    .live-cover h3{font-size:28px;margin:0 0 4px}
    .live-cover p{font-size:13px;color:#dceaf7;margin:0}
    .countdown{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      margin:12px 0 16px;
    }
    .time-box{
      padding:10px 6px;
      text-align:center;
      background:#f3f7fc;
      border-radius:12px;
      color:var(--navy);
    }
    .time-box strong{display:block;font-size:22px;line-height:1.2}
    .time-box span{font-size:11px;color:var(--muted)}
    .live-info{display:flex;align-items:center;justify-content:space-between;padding:0 6px 4px}
    .live-info p{margin:0;color:var(--muted);font-size:13px}
    .live-info b{color:var(--blue)}
    .remind-form{display:grid;grid-template-columns:1fr auto;gap:9px;padding:0 6px 5px}
    .remind-form input{
      min-width:0;
      height:46px;
      padding:0 13px;
      border:1px solid var(--line);
      border-radius:11px;
      background:#fff;
      color:var(--ink);
    }
    .remind-form input::placeholder{color:#9aa7b6}
    .form-note{font-size:12px;color:#8491a2;margin:8px 6px 0}
    .form-success{display:none;color:var(--green);font-size:12px;margin:7px 6px 0}
    .form-success.show{display:block}

    .signal-strip{margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}
    .signal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .signal-item{padding:24px 25px;border-right:1px solid var(--line)}
    .signal-item:last-child{border-right:0}
    .signal-item strong{display:block;color:var(--navy);font-size:22px}
    .signal-item span{font-size:13px;color:var(--muted)}

    .split-section{background:#fff}
    .split-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}
    .feature-image{
      position:relative;
      min-height:405px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .feature-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-label{
      position:absolute;
      left:22px;
      bottom:22px;
      max-width:270px;
      padding:15px 17px;
      border-radius:15px;
      color:#fff;
      background:rgba(16,43,82,.86);
      backdrop-filter:blur(10px);
    }
    .image-label strong{display:block;font-size:18px}
    .image-label span{font-size:12px;color:#c8d9eb}
    .check-list{display:grid;gap:14px;margin:25px 0 30px;padding:0;list-style:none}
    .check-list li{display:flex;gap:13px;align-items:flex-start;color:#43546a}
    .check-list li::before{
      content:"✓";
      flex:0 0 auto;
      display:grid;
      place-items:center;
      width:23px;
      height:23px;
      border-radius:50%;
      background:#e5f7f0;
      color:var(--green);
      font-weight:900;
      line-height:1;
      margin-top:3px;
    }

    .light-section{background:#edf5fc}
    .feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .feature-main{
      min-height:325px;
      padding:34px;
      border-radius:var(--radius-lg);
      color:#fff;
      background:
        linear-gradient(135deg,rgba(16,43,82,.95),rgba(23,105,224,.86)),
        url("/assets/images/coverpic/cover-6.webp") center/cover;
      box-shadow:var(--shadow);
    }
    .feature-main h3{max-width:460px;font-size:31px}
    .feature-main p{max-width:590px;color:#d8e8fa}
    .feature-main .btn{margin-top:18px}
    .feature-side{display:grid;gap:16px}
    .mini-panel{
      display:flex;
      gap:15px;
      align-items:flex-start;
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow-sm);
    }
    .icon-box{
      flex:0 0 auto;
      display:grid;
      place-items:center;
      width:44px;
      height:44px;
      border-radius:13px;
      background:#eaf3ff;
      color:var(--blue);
      font-size:20px;
      font-weight:900;
    }
    .mini-panel h4{font-size:18px;margin:0 0 4px}
    .mini-panel p{font-size:13px;color:var(--muted);margin:0}

    .value-section{background:#f8fbff}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .value-card{
      min-height:245px;
      padding:29px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:.25s ease;
    }
    .value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .value-card:nth-child(2){background:var(--blue);color:#fff;border-color:var(--blue)}
    .value-card:nth-child(2) p{color:#d9e8ff}
    .value-card:nth-child(2) .icon-box{background:rgba(255,255,255,.16);color:#fff}
    .value-card .icon-box{margin-bottom:24px}
    .value-card p{color:var(--muted);font-size:14px;margin-bottom:0}

    .scene-section{background:#fff}
    .scene-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
    .scene-card{
      position:relative;
      min-height:285px;
      padding:29px;
      overflow:hidden;
      border-radius:22px;
      background:#f7faff;
      border:1px solid var(--line);
    }
    .scene-card.large{
      grid-row:span 2;
      min-height:590px;
      color:#fff;
      background:
        linear-gradient(180deg,rgba(16,43,82,.1),rgba(16,43,82,.94)),
        url("/assets/images/coverpic/cover-7.webp") center/cover;
    }
    .scene-card.large p{color:#e1edf9;max-width:390px}
    .scene-card:not(.large) img{
      position:absolute;
      right:0;
      bottom:0;
      width:43%;
      height:100%;
      object-fit:cover;
      opacity:.9;
    }
    .scene-text{position:relative;z-index:1;max-width:57%}
    .scene-card.large .scene-text{max-width:78%;position:absolute;left:29px;bottom:29px}
    .scene-card h3{font-size:25px}
    .scene-card p{font-size:14px;color:var(--muted)}
    .scene-card .tag{margin-bottom:18px}

    .process-section{background:var(--soft)}
    .process-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start}
    .process-intro{position:sticky;top:112px}
    .process-intro p{color:var(--muted)}
    .process-list{display:grid;gap:13px}
    .process-item{
      display:grid;
      grid-template-columns:52px 1fr;
      gap:18px;
      align-items:start;
      padding:21px 23px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:17px;
      box-shadow:var(--shadow-sm);
    }
    .step-no{
      display:grid;
      place-items:center;
      width:45px;
      height:45px;
      border-radius:14px;
      color:var(--blue);
      background:var(--pale);
      font-weight:900;
    }
    .process-item h4{margin:0 0 4px;font-size:18px}
    .process-item p{margin:0;color:var(--muted);font-size:14px}

    .proof-section{background:#fff}
    .proof-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
    .proof-head .section-head{margin-bottom:0}
    .proof-note{max-width:285px;padding:18px 20px;border-left:3px solid var(--cyan);background:#f2f9fc;color:#547087;font-size:13px}
    .proof-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}
    .quote-card{
      padding:31px;
      border-radius:22px;
      background:var(--navy);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .quote-card blockquote{font-size:22px;line-height:1.6;margin:0 0 25px;max-width:600px}
    .quote-card cite{display:flex;align-items:center;gap:12px;font-style:normal;color:#bfd1e5;font-size:13px}
    .cite-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-weight:900}
    .proof-list{display:grid;gap:14px}
    .proof-item{padding:21px 23px;border:1px solid var(--line);border-radius:17px;background:#fff}
    .proof-item strong{display:block;color:var(--navy);font-size:19px;margin-bottom:3px}
    .proof-item span{color:var(--muted);font-size:13px}

    .data-section{background:#edf5fc}
    .data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:stretch}
    .data-card{
      padding:31px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .data-card h3{font-size:27px}
    .data-card p{color:var(--muted);font-size:14px}
    .bar-list{display:grid;gap:17px;margin-top:28px}
    .bar-row{display:grid;gap:7px}
    .bar-label{display:flex;justify-content:space-between;color:#53657b;font-size:13px}
    .bar-track{height:8px;overflow:hidden;border-radius:99px;background:#e8eff7}
    .bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .data-highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .data-tile{padding:23px;border-radius:18px;background:var(--navy);color:#fff}
    .data-tile:nth-child(2){background:#fff;color:var(--ink);border:1px solid var(--line)}
    .data-tile:nth-child(3){background:#fff;color:var(--ink);border:1px solid var(--line)}
    .data-tile:nth-child(4){background:var(--blue);color:#fff}
    .data-tile strong{display:block;font-size:31px;line-height:1.2}
    .data-tile span{font-size:13px;opacity:.8}

    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .faq-side{padding:28px;border-radius:22px;background:#f0f7ff;border:1px solid #d9e9f8}
    .faq-side strong{display:block;font-size:34px;color:var(--blue);line-height:1.1;margin-bottom:8px}
    .faq-side p{color:var(--muted);font-size:14px;margin-bottom:23px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
      padding:19px 20px;
      color:var(--navy);
      background:#fff;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}

    .cta-section{padding:68px 0;background:linear-gradient(135deg,var(--blue-deep),var(--navy))}
    .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:35px;color:#fff}
    .cta-panel h2{margin-bottom:10px}
    .cta-panel p{margin:0;color:#d7e7f7;max-width:650px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:11px;flex:0 0 auto}
    .cta-actions .btn-light{background:#fff}

    .footer{padding:62px 0 26px;background:#0d2343;color:#dce8f5}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:35px;padding-bottom:45px}
    .footer .brand{color:#fff;margin-bottom:19px}
    .footer p{color:#aebfd2;font-size:13px;max-width:305px}
    .footer h4{color:#fff;font-size:16px;margin:4px 0 16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.text-link{color:#aebfd2;font-size:13px;transition:.2s}
    .footer-links a:hover,.text-link:hover{color:#fff}
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      gap:12px 25px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.13);
      color:#8fa5bc;
      font-size:12px;
    }
    .footer-bottom a{color:#b9cee2}
    .footer-bottom a:hover{color:#fff}

    .sticky-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:15;
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 10px 10px 17px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:16px;
      color:#fff;
      background:rgba(16,43,82,.94);
      box-shadow:0 14px 35px rgba(16,43,82,.24);
      backdrop-filter:blur(14px);
    }
    .sticky-cta span{font-size:13px;color:#dbe9f6}
    .sticky-cta .btn{min-height:40px;padding:0 15px;font-size:13px}

    @media (max-width:1024px){
      .hero-grid{gap:35px}
      .nav-panel{gap:10px}
      .brand{min-width:140px}
      .nav-link{padding-left:8px;padding-right:8px}
      .split-grid,.process-layout,.faq-layout{gap:35px}
      .footer-grid{grid-template-columns:1.2fr .8fr .8fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .section{padding:66px 0}
      .site-header{padding:9px 0}
      .nav-panel{position:relative;padding:9px 12px 9px 15px}
      .brand{min-width:auto;font-size:20px}
      .nav-scroll{
        position:absolute;
        display:none;
        top:69px;
        left:0;
        right:0;
        padding:10px;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--line);
        border-radius:15px;
        box-shadow:var(--shadow);
      }
      .nav-scroll.open{display:flex}
      .nav-link{padding:12px 14px}
      .nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .hero{padding:68px 0 55px}
      .hero-grid,.split-grid,.feature-layout,.scene-grid,.process-layout,.proof-grid,.data-layout,.faq-layout{grid-template-columns:1fr}
      .hero-copy{max-width:none}
      .hero h1{font-size:clamp(40px,12vw,60px)}
      .live-card{margin:5px 0 0;max-width:none}
      .signal-grid{grid-template-columns:repeat(2,1fr)}
      .signal-item:nth-child(2){border-right:0}
      .signal-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .value-grid{grid-template-columns:1fr}
      .value-card{min-height:0}
      .scene-card.large{grid-row:auto;min-height:410px}
      .process-intro{position:static}
      .proof-head{display:block}
      .proof-note{margin-top:20px;max-width:none}
      .data-highlights{grid-template-columns:repeat(2,1fr)}
      .cta-panel{display:block}
      .cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 26px)}
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .hero-metrics{gap:17px}
      .hero-metrics strong{font-size:21px}
      .remind-form{grid-template-columns:1fr}
      .remind-form .btn{width:100%}
      .live-cover{min-height:205px}
      .live-cover h3{font-size:24px}
      .signal-item{padding:19px 13px}
      .signal-item strong{font-size:19px}
      .feature-main,.data-card,.quote-card{padding:24px}
      .feature-main h3{font-size:26px}
      .scene-card:not(.large) img{width:38%;opacity:.65}
      .scene-text{max-width:67%}
      .scene-card.large .scene-text{max-width:88%;left:23px;bottom:23px}
      .data-highlights{grid-template-columns:1fr 1fr;gap:10px}
      .data-tile{padding:17px 13px}
      .data-tile strong{font-size:24px}
      .faq-question{padding:16px}
      .faq-answer{padding:0 16px 16px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:grid;gap:8px}
      .sticky-cta{left:13px;right:13px;bottom:13px;justify-content:space-between}
      .sticky-cta span{font-size:12px}
    }

/* roulang page: category4 */
:root{
 --navy:#102b52;
 --blue:#1769e0;
 --blue-deep:#0b4bb3;
 --cyan:#28b9cf;
 --ink:#14243b;
 --muted:#66758a;
 --soft:#f3f7fc;
 --pale:#eaf3ff;
 --line:#dce6f1;
 --white:#fff;
 --orange:#ff9d4d;
 --green:#23a879;
 --radius-lg:28px;
 --radius-md:18px;
 --radius-sm:12px;
 --shadow:0 18px 55px rgba(35,76,128,.12);
 --shadow-sm:0 8px 26px rgba(35,76,128,.09);
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:10px;background:var(--cyan)}
.section{padding:84px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{margin:10px 0 12px;color:var(--navy);font-size:clamp(30px,4vw,48px);line-height:1.22;letter-spacing:-.04em}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
.btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,.text-link:focus-visible{outline:3px solid rgba(40,185,207,.45);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
.btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
.btn-dark{background:var(--navy);color:#fff}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
.site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
.nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
.brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
.nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
.nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
.nav-cta{white-space:nowrap;margin-left:auto}
.menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
.hero{position:relative;overflow:hidden;padding:92px 0 78px;background:linear-gradient(90deg,rgba(10,31,65,.95),rgba(16,61,116,.82)),url("/assets/images/backpic/back-2.webp") center/cover}
.hero::after{content:"";position:absolute;width:430px;height:430px;right:-120px;top:-180px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:70px}
.hero-copy{color:#fff;max-width:650px}
.hero-copy .eyebrow{color:#9ddaf4}
.hero h1{font-size:clamp(42px,5.8vw,70px);line-height:1.15;margin:20px 0 22px;max-width:680px;letter-spacing:-.05em}
.hero-lead{font-size:18px;color:#d8e9fb;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 25px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:24px;color:#d5e6f7}
.hero-metrics strong{display:block;font-size:24px;color:#fff;line-height:1.2}
.hero-metrics span{font-size:12px}
.lead-card{background:rgba(255,255,255,.97);border-radius:24px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.2);max-width:430px;margin-left:auto}
.lead-card h3{font-size:25px;color:var(--navy);margin:0 0 7px}
.lead-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
.lead-form{display:grid;gap:12px}
.lead-form label{font-size:13px;font-weight:800;color:var(--ink)}
.lead-form input{width:100%;height:46px;border:1px solid var(--line);border-radius:11px;padding:0 14px;color:var(--ink);background:#fbfdff}
.lead-form input:focus{outline:3px solid rgba(23,105,224,.14);border-color:var(--blue)}
.form-note{font-size:12px;color:#8491a2;margin:0}
.trust-strip{padding:18px 0;background:#fff;border-bottom:1px solid var(--line)}
.trust-row{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.trust-row p{margin:0;color:var(--muted);font-size:14px}
.trust-points{display:flex;gap:25px;flex-wrap:wrap}
.trust-points span{font-size:14px;font-weight:800;color:var(--navy)}
.trust-points i{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e6f8f2;color:var(--green);font-style:normal;margin-right:6px}
.feature-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px;align-items:start}
.feature-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:430px;box-shadow:var(--shadow)}
.feature-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.image-note{position:absolute;left:22px;bottom:22px;right:22px;padding:16px 18px;border-radius:15px;background:rgba(16,43,82,.88);color:#fff;font-size:14px}
.benefit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.benefit-card{padding:23px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.icon-box{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#eaf3ff;color:var(--blue);font-size:21px;font-weight:900;margin-bottom:17px}
.benefit-card h3{font-size:19px;margin:0 0 7px;color:var(--navy)}
.benefit-card p{font-size:14px;color:var(--muted);margin:0}
.blue-section{background:#edf5fc}
.device-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.device-main{min-height:390px;padding:36px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#1769e0,#0b4bb3);color:#fff;position:relative;overflow:hidden}
.device-main::after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-60px;bottom:-80px}
.device-main h3{font-size:31px;line-height:1.3;max-width:480px;margin:14px 0}
.device-main p{max-width:530px;color:#dcecff}
.device-main ul{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;padding:0;margin:24px 0 0;list-style:none}
.device-main li{padding:12px 14px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.1);font-size:14px}
.device-side{display:grid;gap:22px}
.device-card{padding:27px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.device-card h3{margin:0 0 8px;color:var(--navy);font-size:21px}
.device-card p{color:var(--muted);font-size:14px;margin:0}
.process-section{background:#fff}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.process-item{padding:28px 23px;min-height:205px;border-right:1px solid var(--line);position:relative}
.process-item:last-child{border-right:0}
.step-number{font-size:13px;color:var(--blue);font-weight:900;letter-spacing:.08em}
.process-item h3{font-size:20px;color:var(--navy);margin:18px 0 7px}
.process-item p{font-size:14px;color:var(--muted);margin:0}
.detail-section{background:#f8fbff}
.detail-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:58px;align-items:center}
.detail-grid.reverse{grid-template-columns:1.08fr .92fr}
.detail-grid.reverse .detail-copy{order:2}
.detail-grid.reverse .detail-visual{order:1}
.detail-copy h2{font-size:37px;line-height:1.25;color:var(--navy);margin:12px 0 17px}
.detail-copy p{color:var(--muted)}
.check-list{display:grid;gap:12px;padding:0;margin:23px 0 0;list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#46566a}
.check-list b{display:grid;place-items:center;flex:0 0 24px;height:24px;border-radius:50%;background:#e3f7f0;color:var(--green);font-size:13px}
.detail-visual{position:relative;min-height:330px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.detail-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.overlay-card{position:absolute;right:20px;bottom:20px;max-width:230px;padding:18px;border-radius:16px;background:#fff;color:var(--navy);box-shadow:var(--shadow-sm)}
.overlay-card strong{display:block;font-size:27px;color:var(--blue);line-height:1.2}
.overlay-card span{display:block;font-size:13px;color:var(--muted)}
.stats-section{padding:65px 0;background:var(--navy);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{padding:14px 22px;border-left:2px solid rgba(157,218,244,.55)}
.stat strong{display:block;font-size:34px;line-height:1.2}
.stat span{color:#bed2e8;font-size:14px}
.quote-section{background:#fff}
.quote-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:stretch}
.quote-intro{padding:34px;border-radius:24px;background:#eaf3ff}
.quote-intro h2{color:var(--navy);font-size:30px;line-height:1.3;margin:10px 0}
.quote-intro p{color:var(--muted);font-size:14px}
.quote-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.quote-card{padding:25px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);background:#fff}
.quote-card p{margin:0 0 18px;color:#4e6074;font-size:15px}
.quote-card footer{display:flex;align-items:center;gap:11px;color:var(--navy);font-weight:800;font-size:14px}
.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff}
.faq-section{background:#edf5fc}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:52px}
.faq-intro h2{font-size:37px;line-height:1.25;color:var(--navy);margin:12px 0}
.faq-intro 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-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:19px 21px;background:#fff;color:var(--navy);font-weight:800;text-align:left}
.faq-question span:last-child{font-size:22px;color:var(--blue);transition:.2s}
.faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-section{padding:75px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 48px;border-radius:var(--radius-lg);background:linear-gradient(115deg,var(--navy),#174d91);color:#fff;box-shadow:var(--shadow)}
.cta-box h2{font-size:34px;line-height:1.3;margin:8px 0}
.cta-box p{color:#c8ddf2;max-width:650px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
.footer{padding:58px 0 110px;background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px}
.footer .brand{margin-bottom:16px}
.footer p{color:var(--muted);font-size:14px;margin:0;max-width:330px}
.footer h4{margin:5px 0 15px;color:var(--navy);font-size:16px}
.footer-links{display:grid;gap:8px}
.footer-links a,.text-link{font-size:14px;color:#607187;transition:.2s}
.footer-links a:hover,.text-link:hover{color:var(--blue)}
.text-link{display:inline-block;margin-top:13px;color:var(--blue);font-weight:800}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:42px;padding-top:20px;border-top:1px solid var(--line);color:#8290a1;font-size:12px}
.footer-bottom a:hover{color:var(--blue)}
.fixed-bar{position:fixed;z-index:19;bottom:0;left:0;right:0;padding:11px 0;background:rgba(255,255,255,.94);backdrop-filter:blur(13px);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(35,76,128,.08)}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.fixed-inner p{margin:0;color:var(--navy);font-size:14px;font-weight:800}
.fixed-inner small{display:block;color:var(--muted);font-weight:400}
@media(max-width:1024px){
 .hero-grid,.feature-layout,.detail-grid,.detail-grid.reverse,.faq-grid{gap:32px}
 .nav-panel{gap:10px}
 .brand{min-width:140px}
 .nav-link{padding-left:8px;padding-right:8px}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
 .footer-grid>div:last-child{grid-column:span 3}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .section{padding:62px 0}
 .site-header{padding:8px 0}
 .nav-panel{padding:9px 11px 9px 14px}
 .brand{font-size:19px;min-width:auto}
 .brand-mark{width:34px;height:34px}
 .nav-scroll{display:none;position:absolute;top:76px;left:14px;right:14px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
 .nav-scroll.open{display:grid}
 .nav-link{padding:11px 13px}
 .nav-cta{display:none}
 .menu-toggle{display:block;margin-left:auto}
 .hero{padding:65px 0 60px}
 .hero-grid,.feature-layout,.device-grid,.detail-grid,.detail-grid.reverse,.quote-layout,.faq-grid{grid-template-columns:1fr}
 .hero h1{font-size:clamp(40px,12vw,58px)}
 .lead-card{margin:0;max-width:none}
 .feature-image{min-height:320px}
 .benefit-list,.quote-list{grid-template-columns:1fr}
 .device-main{min-height:350px}
 .device-main ul{grid-template-columns:1fr}
 .process-grid{grid-template-columns:repeat(2,1fr)}
 .process-item:nth-child(2){border-right:0}
 .process-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .detail-grid.reverse .detail-copy,.detail-grid.reverse .detail-visual{order:initial}
 .stats-grid{grid-template-columns:repeat(2,1fr);gap:25px}
 .stat{padding-left:15px}
 .cta-box{display:block;padding:32px 25px}
 .cta-actions{margin-top:24px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:span 2}
 .footer-bottom{display:grid;gap:8px}
}
@media(max-width:520px){
 body{font-size:15px}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .hero-metrics{gap:15px}
 .hero-metrics strong{font-size:21px}
 .trust-row{display:block}
 .trust-points{margin-top:13px;gap:12px;display:grid}
 .process-grid{grid-template-columns:1fr}
 .process-item{border-right:0;border-bottom:1px solid var(--line)}
 .process-item:last-child{border-bottom:0}
 .stats-grid{grid-template-columns:1fr 1fr}
 .stats-section{padding:46px 0}
 .cta-box h2{font-size:28px}
 .fixed-inner p{font-size:12px}
 .fixed-inner small{display:none}
 .fixed-inner .btn{min-height:40px;padding:0 14px;font-size:13px}
}

/* roulang page: category6 */
:root{
 --navy:#102b52;--blue:#1769e0;--blue-deep:#0b4bb3;--cyan:#28b9cf;
 --ink:#14243b;--muted:#66758a;--soft:#f3f7fc;--pale:#eaf3ff;
 --line:#dce6f1;--white:#fff;--orange:#ff9d4d;--green:#23a879;
 --radius-lg:28px;--radius-md:18px;--radius-sm:12px;
 --shadow:0 18px 55px rgba(35,76,128,.12);--shadow-sm:0 8px 26px rgba(35,76,128,.09);
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.section{padding:84px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:3px;border-radius:8px;background:var(--cyan)}
h1,h2,h3,h4,p{margin-top:0}
h2{font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.04em;margin-bottom:16px;color:var(--navy)}
h3{line-height:1.35;color:var(--navy)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head p{color:var(--muted);margin-bottom:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
.btn:focus,.nav-link:focus,.text-link:focus{outline:3px solid rgba(40,185,207,.35);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
.btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
.btn-dark{background:var(--navy);color:#fff}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
.site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
.nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
.brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
.nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
.nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
.nav-cta{white-space:nowrap;margin-left:auto}.menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
.page-hero{position:relative;overflow:hidden;padding:84px 0 76px;background:linear-gradient(96deg,rgba(10,31,65,.95),rgba(16,61,116,.82)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.page-hero:after{content:"";position:absolute;width:420px;height:420px;right:-130px;top:-190px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
.hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.page-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.12;margin:18px 0;color:#fff;letter-spacing:-.06em}
.page-hero .eyebrow{color:#9ddaf4}.hero-text{font-size:18px;color:#dbeafa;max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.topic-board{padding:26px;background:rgba(255,255,255,.96);border-radius:24px;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.2)}
.board-top{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}
.board-top strong{font-size:20px;color:var(--navy)}.board-top span{font-size:12px;color:var(--green);font-weight:800}
.topic-progress{display:flex;align-items:center;gap:18px}
.progress-ring{width:112px;height:112px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) 0 76%,#e8f0f8 76% 100%);position:relative}
.progress-ring:after{content:"";position:absolute;inset:11px;border-radius:50%;background:#fff}
.progress-ring b{position:relative;z-index:1;font-size:25px;color:var(--navy)}
.board-list{display:grid;gap:11px}.board-item{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;background:#f4f8fd;border-radius:12px;font-size:14px}.board-item b{color:var(--blue)}
.feature-strip{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.strip-item{display:flex;gap:13px;align-items:flex-start}.strip-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--pale);color:var(--blue);font-weight:900}.strip-item strong{display:block;color:var(--navy)}.strip-item span{font-size:13px;color:var(--muted)}
.split-section{background:#fff}.split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.feature-image{height:440px;position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}.feature-image img{width:100%;height:100%;object-fit:cover}
.image-note{position:absolute;left:22px;bottom:22px;padding:13px 16px;background:rgba(16,43,82,.9);border-radius:13px;color:#fff;font-size:13px}
.check-list{display:grid;gap:15px;margin:26px 0}.check-list li{list-style:none;display:flex;gap:12px;color:#526177}.check-list li:before{content:"✓";flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e0f7ef;color:var(--green);font-weight:900}
.topic-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}.topic-main{padding:34px;border-radius:var(--radius-lg);background:var(--navy);color:#fff;min-height:320px}.topic-main h3{font-size:28px;color:#fff}.topic-main p{color:#d7e4f4}.topic-main .btn{margin-top:22px}
.topic-side{display:grid;gap:14px}.mini-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}.mini-card h3{font-size:19px;margin:9px 0 5px}.mini-card p{font-size:14px;color:var(--muted);margin:0}
.topic-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:.25s}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-card img{width:100%;height:180px;object-fit:cover}.topic-card-body{padding:22px}.topic-card h3{margin:11px 0 8px;font-size:21px}.topic-card p{font-size:14px;color:var(--muted);margin-bottom:0}
.dark-section{background:#edf5fc}.data-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px;align-items:stretch}.quote-card{padding:30px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.quote-card blockquote{font-size:23px;line-height:1.55;color:var(--navy);font-weight:800;margin:18px 0}.quote-card cite{font-style:normal;color:var(--muted);font-size:14px}.data-panel{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}.data-row{display:grid;grid-template-columns:1fr 1.3fr 70px;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid #e9eff6}.data-row:last-child{border:0}.bar{height:8px;background:#e7eff8;border-radius:10px;overflow:hidden}.bar i{display:block;height:100%;border-radius:10px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-step{position:relative;padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px}.process-step:not(:last-child):after{content:"→";position:absolute;right:-17px;top:42px;color:var(--cyan);font-size:22px;font-weight:900;z-index:2}.step-no{color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em}.process-step h3{margin:11px 0 7px}.process-step p{font-size:14px;color:var(--muted);margin:0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}.faq-intro{padding:30px;border-radius:var(--radius-lg);background:#eaf3ff}.faq-intro p{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px}.faq-item summary{cursor:pointer;font-weight:800;color:var(--navy);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{margin:12px 26px 0 0;color:var(--muted);font-size:14px}
.cta{padding:55px 0;background:linear-gradient(105deg,var(--blue-deep),var(--blue));color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{color:#fff;margin-bottom:10px}.cta p{color:#dcecff;max-width:650px;margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.footer{padding:65px 0 25px;background:var(--navy);color:#dce8f5}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:35px}.footer .brand{color:#fff;margin-bottom:18px}.footer p{color:#aebfd3;font-size:14px}.footer h4{color:#fff;margin:5px 0 15px}.footer-links{display:grid;gap:9px;color:#b5c8dc;font-size:14px}.footer-links a:hover,.text-link:hover{color:#fff}.text-link{display:inline-block;color:#8fd5f0;font-weight:800;font-size:14px}.footer-bottom{display:flex;flex-wrap:wrap;gap:13px 28px;border-top:1px solid rgba(255,255,255,.15);padding-top:20px;margin-top:35px;color:#9eb1c6;font-size:12px}.footer-bottom a:hover{color:#fff}
.sticky-bar{position:fixed;right:22px;bottom:22px;z-index:10;display:flex;align-items:center;gap:14px;padding:12px 14px 12px 18px;border:1px solid #cfe0f1;border-radius:16px;background:rgba(255,255,255,.95);box-shadow:var(--shadow);font-size:14px}.sticky-bar strong{color:var(--navy)}.sticky-bar .btn{min-height:40px;padding:0 16px;font-size:13px}
@media(max-width:1024px){.hero-layout,.split-grid,.faq-layout{grid-template-columns:1fr;gap:35px}.topic-board{max-width:520px;margin:0}.data-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 28px,var(--container))}.nav-panel{padding-left:14px}.nav-scroll{display:none;position:absolute;left:14px;right:14px;top:75px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-scroll.open{display:flex}.nav-link{width:100%}.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.section{padding:65px 0}.strip-grid,.process{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:1fr}.topic-cards{grid-template-columns:1fr 1fr}.process-step:not(:last-child):after{display:none}.cta-box{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.page-hero{padding:62px 0}.page-hero h1{font-size:42px}.hero-text{font-size:16px}.strip-grid,.topic-cards,.footer-grid{grid-template-columns:1fr}.topic-progress{align-items:flex-start;flex-direction:column}.feature-image{height:300px}.data-row{grid-template-columns:1fr 1fr}.data-row strong{text-align:right}.data-row .bar{grid-column:1 / -1}.sticky-bar{left:14px;right:14px;bottom:14px;justify-content:space-between}.sticky-bar span{display:none}}

/* roulang page: category5 */
:root{
 --navy:#102b52;--blue:#1769e0;--blue-deep:#0b4bb3;--cyan:#28b9cf;
 --ink:#14243b;--muted:#66758a;--soft:#f3f7fc;--pale:#eaf3ff;
 --line:#dce6f1;--white:#fff;--orange:#ff9d4d;--green:#23a879;
 --radius-lg:28px;--radius-md:18px;--radius-sm:12px;
 --shadow:0 18px 55px rgba(35,76,128,.12);--shadow-sm:0 8px 26px rgba(35,76,128,.09);
 --container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.section{padding:86px 0}
.section-head{max-width:730px;margin-bottom:36px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:13px 0}
.section-head p{color:var(--muted);margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:3px;border-radius:10px;background:var(--cyan)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,105,224,.2)}
.btn:focus,input:focus{outline:3px solid rgba(40,185,207,.35);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#d9e7f7}
.btn-outline{background:transparent;color:var(--blue);border-color:#b9d0eb}
.btn-dark{background:var(--navy);color:#fff}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:800}
.site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(248,251,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,241,.7)}
.nav-panel{min-height:70px;display:flex;align-items:center;gap:18px;padding:10px 14px 10px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
.brand{display:flex;align-items:center;gap:11px;min-width:155px;font-weight:900;font-size:22px;color:var(--navy);letter-spacing:-.05em}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:0 8px 17px rgba(23,105,224,.2)}
.nav-scroll{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{white-space:nowrap;padding:9px 11px;border-radius:10px;color:#56667a;font-size:14px;font-weight:700;transition:.2s}
.nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
.nav-cta{white-space:nowrap;margin-left:auto}
.menu-toggle{display:none;background:#eef5fd;color:var(--navy);width:42px;height:42px;border-radius:11px;font-size:22px}
.hero{position:relative;overflow:hidden;padding:88px 0 76px;background:linear-gradient(90deg,rgba(10,31,65,.94),rgba(16,61,116,.84)),url("/assets/images/backpic/back-2.webp") center/cover}
.hero:after{content:"";position:absolute;width:430px;height:430px;right:-130px;top:-180px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.03)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
.hero-copy{color:#fff;max-width:650px}.hero-copy .eyebrow{color:#9ddaf4}
.hero h1{font-size:clamp(40px,5.4vw,70px);line-height:1.15;margin:20px 0}
.hero-lead{font-size:18px;color:#d8e9fb;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 24px}
.hero-note{color:#c7dcf1;font-size:13px}
.whitepaper{background:rgba(255,255,255,.97);border-radius:24px;padding:18px;box-shadow:0 24px 60px rgba(0,0,0,.2)}
.whitepaper-cover{position:relative;min-height:250px;border-radius:17px;overflow:hidden;background:#153b70}
.whitepaper-cover img{width:100%;height:250px;object-fit:cover;opacity:.8}
.cover-label{position:absolute;left:24px;top:22px;color:#fff;font-size:13px;letter-spacing:.13em}
.cover-title{position:absolute;left:24px;bottom:24px;color:#fff;font-size:30px;font-weight:900;line-height:1.2}
.whitepaper-body{padding:18px 7px 2px}.whitepaper-body h3{margin:0;color:var(--navy);font-size:22px}
.whitepaper-body p{color:var(--muted);font-size:14px;margin:6px 0 15px}
.mini-form{display:grid;grid-template-columns:1fr auto;gap:9px}
.mini-form input{min-width:0;border:1px solid var(--line);border-radius:10px;padding:11px 13px;color:var(--ink);background:#fbfdff}
.notice{font-size:12px;color:#8592a3;margin:10px 0 0}
.stats-strip{background:#fff;border-bottom:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:25px 0}
.stat{padding-left:20px;border-left:3px solid var(--cyan)}.stat strong{display:block;color:var(--navy);font-size:25px}.stat span{color:var(--muted);font-size:13px}
.split-section{background:#fff}.split-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}
.feature-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:410px;box-shadow:var(--shadow)}
.feature-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.feature-image:after{content:"移动端随时可用";position:absolute;left:22px;bottom:22px;padding:8px 13px;border-radius:10px;background:rgba(16,43,82,.86);color:#fff;font-size:13px}
.copy h3{font-size:30px;line-height:1.35;margin:12px 0}
.copy p{color:var(--muted)}
.check-list{display:grid;gap:13px;margin:24px 0;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#42536a}
.check-list b{flex:0 0 25px;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:#e5f7f1;color:var(--green);font-size:14px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-card:nth-child(2){background:var(--blue);color:#fff;border-color:var(--blue)}
.feature-card:nth-child(2) p{color:#dbeaff}.icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:var(--pale);color:var(--blue);font-size:22px;font-weight:900}
.feature-card:nth-child(2) .icon{background:rgba(255,255,255,.16);color:#fff}
.feature-card h3{font-size:21px;margin:20px 0 8px}.feature-card p{color:var(--muted);font-size:14px;margin:0}
.scene-section{background:#edf5fc}.scene-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.scene-main{min-height:370px;padding:34px;border-radius:24px;color:#fff;background:linear-gradient(90deg,rgba(16,43,82,.92),rgba(16,43,82,.35)),url("/assets/images/coverpic/cover-9.webp") center/cover}
.scene-main h3{font-size:30px;max-width:450px;margin:18px 0 10px}.scene-main p{max-width:510px;color:#dceafa}
.scene-side{display:grid;gap:16px}.scene-item{padding:23px;background:#fff;border:1px solid var(--line);border-radius:18px}.scene-item h3{margin:0 0 6px;font-size:19px}.scene-item p{margin:0;color:var(--muted);font-size:14px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.process-item{position:relative;padding:23px 20px 22px;background:#fff;border:1px solid var(--line);border-radius:18px}
.process-item:not(:last-child):after{content:"→";position:absolute;right:-18px;top:42px;color:var(--cyan);font-size:22px;font-weight:bold;z-index:2}
.step{color:var(--blue);font-weight:900;font-size:13px}.process-item h3{font-size:18px;margin:12px 0 5px}.process-item p{font-size:13px;color:var(--muted);margin:0}
.data-band{background:var(--navy);color:#fff}.data-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.data-band p{color:#ccdef1}.data-band .section-head{margin-bottom:0}
.data-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.data-point{padding:22px;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:rgba(255,255,255,.06)}.data-point strong{display:block;font-size:25px;color:#9fe8f2}.data-point span{font-size:13px;color:#d3e1ef}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px 22px}.faq{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 22px}.faq summary{cursor:pointer;font-weight:800;color:var(--navy)}.faq p{color:var(--muted);font-size:14px;margin:12px 0 0}
.cta{padding:70px 0;background:linear-gradient(110deg,#e7f3ff,#f5fbff)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:38px 44px;background:#fff;border:1px solid var(--line);border-radius:25px;box-shadow:var(--shadow)}.cta-box h2{margin:0 0 7px;font-size:32px}.cta-box p{margin:0;color:var(--muted)}
.footer{padding:58px 0 25px;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px}.footer p{color:var(--muted);font-size:14px}.footer h4{margin:7px 0 13px;color:var(--navy)}.footer-links{display:grid;gap:8px;color:#5c6d81;font-size:14px}.footer-links a:hover,.text-link:hover{color:var(--blue)}.text-link{color:var(--blue);font-weight:800;font-size:14px}.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:25px;margin-top:30px;border-top:1px solid var(--line);color:#7c8999;font-size:12px}.footer-bottom a{color:var(--blue)}
@media(max-width:1024px){.hero-grid,.data-grid{gap:35px}.nav-panel{gap:8px}.brand{min-width:135px}.nav-link{padding:8px 7px}.footer-grid{grid-template-columns:1fr 1fr}.scene-layout{grid-template-columns:1fr}.scene-side{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 28px))}.section{padding:62px 0}.nav-panel{padding-left:13px}.nav-scroll{display:none}.nav-scroll.open{display:flex;position:absolute;left:14px;right:14px;top:76px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-link{padding:11px 14px}.nav-cta{margin-left:auto}.menu-toggle{display:block}.hero{padding:65px 0 55px}.hero-grid,.split-grid,.data-grid{grid-template-columns:1fr}.hero h1{font-size:45px}.lead-card{margin:0;max-width:none}.stats{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.process-item:not(:last-child):after{display:none}.faq-grid{grid-template-columns:1fr}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.brand{font-size:19px;min-width:auto}.brand-mark{width:35px;height:35px}.nav-cta{display:none}.hero h1{font-size:38px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}.mini-form{grid-template-columns:1fr}.stats{gap:10px}.stat{padding-left:12px}.stat strong{font-size:21px}.scene-side,.process,.data-points,.footer-grid{grid-template-columns:1fr}.feature-image{min-height:300px}.cta-box h2{font-size:26px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}