/* roulang page: index */
:root{
      --navy:#071a31;
      --navy-2:#0b2745;
      --ink:#17243a;
      --muted:#66758a;
      --soft:#f4f7fb;
      --line:#dfe7f1;
      --white:#fff;
      --cyan:#32d1d3;
      --cyan-dark:#0b9fa8;
      --gold:#f7bd4e;
      --red:#e96059;
      --green:#3fbd86;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 16px 42px rgba(12,38,68,.10);
      --shadow-hover:0 24px 48px rgba(12,38,68,.17);
      --container:1180px;
      --transition:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(50,209,211,.58);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .topline{background:#041323;color:#b9cbdb;font-size:13px}
    .topline .container{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .top-links{display:flex;gap:18px;white-space:nowrap}
    .top-links a:hover{color:var(--cyan)}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}
    .header-main{height:72px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}
    .brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}
    .desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .desktop-nav::-webkit-scrollbar{display:none}
    .desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}
    .header-search{position:relative;width:190px;flex:0 0 auto}
    .header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}
    .header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}
    .search-icon{position:absolute;right:12px;top:8px;color:#73849a;font-size:17px}
    .menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}
    .hero{position:relative;overflow:hidden;padding:52px 0 58px;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97) 0%,rgba(5,26,49,.86) 49%,rgba(3,21,39,.69) 100%),url('/assets/images/backpic/back-1.webp') center/cover;opacity:.98}
    .hero:after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;right:-140px;top:-160px;border:75px solid rgba(50,209,211,.09)}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border:1px solid rgba(95,230,232,.3);border-radius:999px;background:rgba(50,209,211,.1);font-size:13px;font-weight:700;color:#a7f4f0}
    .pulse{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(50,209,211,.15)}
    h1,h2,h3,h4,p{margin-top:0}
    h1{margin:17px 0 17px;font-size:clamp(35px,4vw,57px);line-height:1.16;letter-spacing:-2.3px}
    .hero-text{max-width:620px;color:#d0dce8;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}
    .btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}
    .btn-primary:hover{transform:translateY(-2px);background:#62e5e2;box-shadow:0 14px 27px rgba(50,209,211,.32)}
    .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}
    .btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
    .hero-metrics{display:flex;gap:26px;margin-top:30px}
    .metric strong{display:block;font-size:22px;line-height:1.1;color:#fff}
    .metric span{font-size:13px;color:#9fb3c6}
    .rank-board{position:relative;border:1px solid rgba(176,223,234,.22);border-radius:20px;padding:21px;background:rgba(7,32,57,.78);box-shadow:0 28px 54px rgba(0,0,0,.28);backdrop-filter:blur(9px)}
    .board-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
    .board-head h2{margin:0;font-size:18px;color:#fff}
    .live-tag{border-radius:999px;padding:3px 9px;background:rgba(233,96,89,.16);color:#ffaaa5;font-size:12px;font-weight:700}
    .rank-row{display:grid;grid-template-columns:31px 1fr auto;align-items:center;gap:10px;padding:12px 0;border-top:1px solid rgba(223,243,247,.12)}
    .rank-no{font-size:13px;font-weight:800;color:#8bd9da}
    .rank-name{font-size:14px;color:#e7f0f6;font-weight:650}
    .rank-value{font-size:13px;color:#a9bdcb}
    .board-note{margin:12px 0 0;padding:10px 11px;border-radius:10px;background:rgba(50,209,211,.09);font-size:12px;color:#b8ebe9}
    section{padding:76px 0}
    .section-label{display:inline-block;margin-bottom:9px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:29px}
    .section-head h2{margin:0;color:var(--navy);font-size:clamp(26px,3vw,37px);line-height:1.25;letter-spacing:-1.2px}
    .section-head p{max-width:520px;margin:0;color:var(--muted);font-size:15px}
    .trend-section{padding-bottom:44px}
    .dynamic-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-story{position:relative;min-height:345px;overflow:hidden;border-radius:var(--radius);background:#132f49;color:#fff}
    .feature-story img{width:100%;height:100%;object-fit:cover;opacity:.6}
    .feature-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,21,40,.92),rgba(4,21,40,.05) 75%)}
    .feature-content{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}
    .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px;font-weight:700;color:#fff}
    .feature-content h3{margin:10px 0 8px;font-size:25px;line-height:1.36}
    .feature-content p{margin:0;color:#d6e2ea;font-size:14px;line-height:1.7}
    .update-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
    .update-item{display:grid;grid-template-columns:68px 1fr;gap:14px;padding:17px 18px;border-bottom:1px solid var(--line)}
    .update-item:last-child{border-bottom:0}
    .update-item:hover{background:#f8fbfd}
    .update-time{font-size:13px;color:var(--cyan-dark);font-weight:800}
    .update-item h3{margin:0 0 4px;font-size:16px;line-height:1.42;color:var(--navy)}
    .update-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.62}
    .quick{padding:55px 0;background:#f0f7fa}
    .quick-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
    .quick-copy h2{font-size:35px;line-height:1.3;color:var(--navy);margin-bottom:14px}
    .quick-copy p{color:var(--muted);margin-bottom:20px}
    .qa-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .qa-mini{padding:18px;border:1px solid #d8e8ec;border-radius:14px;background:#fff}
    .qa-mini h3{margin:0 0 7px;font-size:16px;color:var(--navy)}
    .qa-mini p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .entry-section{padding-top:58px;padding-bottom:58px}
    .entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .entry-card{padding:21px 18px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 6px 17px rgba(15,48,78,.04)}
    .entry-card:hover{transform:translateY(-4px);border-color:#9cdfe0;box-shadow:var(--shadow)}
    .entry-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:15px;border-radius:12px;background:#e6f9f8;color:var(--cyan-dark);font-size:20px;font-weight:900}
    .entry-card h3{margin:0 0 7px;color:var(--navy);font-size:17px}
    .entry-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.72}
    .news-section{background:var(--soft)}
    .news-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:25px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2px 24px}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;font-weight:800;line-height:1.45;color:var(--cyan-dark)}
    .news-date small{display:block;color:#91a0b2;font-weight:600}
    .news-body h3{margin:0 0 7px;color:var(--navy);font-size:17px;line-height:1.45}
    .news-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .read-more{display:inline-flex;align-items:center;white-space:nowrap;color:var(--cyan-dark);font-size:13px;font-weight:800}
    .read-more:hover{color:var(--navy);transform:translateX(3px)}
    .aside-pick{overflow:hidden;border-radius:var(--radius);background:var(--navy);color:#fff}
    .aside-pick img{width:100%;height:177px;object-fit:cover;opacity:.73}
    .aside-inner{padding:22px}
    .aside-inner h3{margin:0 0 10px;font-size:22px;line-height:1.4}
    .aside-inner p{margin:0 0 18px;color:#bdd0df;font-size:14px;line-height:1.78}
    .story-section{padding:82px 0;background:#fff}
    .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .story-image{position:relative}
    .story-image img{height:390px;width:100%;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}
    .story-badge{position:absolute;right:-20px;bottom:24px;width:175px;padding:17px;border-radius:14px;background:#fff;box-shadow:var(--shadow)}
    .story-badge strong{display:block;color:var(--cyan-dark);font-size:26px;line-height:1.1}
    .story-badge span{color:var(--muted);font-size:12px;line-height:1.5}
    .story-content h2{margin-bottom:17px;color:var(--navy);font-size:35px;line-height:1.33}
    .story-content p{color:var(--muted);font-size:15px;line-height:1.95}
    .story-content p:last-of-type{margin-bottom:22px}
    .value-section{padding-top:62px;padding-bottom:62px;background:#0a243f;color:#fff}
    .value-section .section-head h2{color:#fff}
    .value-section .section-head p{color:#b9cad8}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .value-card{padding:25px;border:1px solid rgba(179,222,234,.18);border-radius:16px;background:rgba(255,255,255,.055)}
    .value-card:hover{background:rgba(50,209,211,.1);transform:translateY(-3px)}
    .value-card b{display:block;margin-bottom:14px;color:var(--cyan);font-size:30px}
    .value-card h3{margin:0 0 8px;font-size:19px}
    .value-card p{margin:0;color:#bfd0dd;font-size:14px;line-height:1.8}
    .topics-section{padding-bottom:54px}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:transparent}
    .topic-card img{width:100%;height:157px;object-fit:cover}
    .topic-body{padding:18px}
    .topic-body h3{margin:0 0 8px;color:var(--navy);font-size:18px}
    .topic-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
    .safety-section{background:#edf5f8}
    .safety-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
    .safety-layout h2{font-size:34px;line-height:1.3;color:var(--navy);margin-bottom:15px}
    .safety-layout>div>p{color:var(--muted);line-height:1.92}
    .safety-list{display:flex;flex-direction:column;gap:12px}
    .safe-item{display:flex;gap:15px;padding:17px;border-radius:14px;background:#fff;border:1px solid #dae8ed}
    .safe-check{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:50%;background:#dff7ef;color:#16865f;font-weight:900}
    .safe-item h3{margin:0 0 4px;color:var(--navy);font-size:16px}
    .safe-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.68}
    .process-section{padding-top:62px;padding-bottom:62px}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:17px;overflow:hidden}
    .process-item{position:relative;padding:24px 21px;background:#fff;border-right:1px solid var(--line)}
    .process-item:last-child{border-right:0}
    .process-no{display:block;margin-bottom:13px;color:var(--cyan-dark);font-size:13px;font-weight:900}
    .process-item h3{margin:0 0 8px;color:var(--navy);font-size:17px}
    .process-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .testimonials{background:var(--soft)}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .quote{position:relative;padding:24px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .quote:before{content:"“";position:absolute;right:18px;top:4px;color:#d9f4f3;font-family:Georgia,serif;font-size:64px;line-height:1}
    .quote p{position:relative;margin:0 0 17px;color:#43546a;font-size:14px;line-height:1.85}
    .quote strong{color:var(--navy);font-size:14px}
    .quote span{display:block;color:#8998a9;font-size:12px}
    .app-section{position:relative;overflow:hidden;padding:74px 0;background:linear-gradient(115deg,#071a31,#103c59);color:#fff}
    .app-section:after{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') right center/cover;opacity:.15}
    .app-grid{position:relative;display:grid;grid-template-columns:1fr .72fr;gap:40px;align-items:center}
    .app-grid h2{margin-bottom:15px;font-size:38px;line-height:1.25}
    .app-grid p{max-width:610px;color:#c3d4df;line-height:1.9}
    .app-list{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin:22px 0}
    .app-list div{padding:11px 13px;border-radius:10px;background:rgba(255,255,255,.08);color:#dceaf1;font-size:14px}
    .app-panel{padding:28px;border:1px solid rgba(187,227,235,.25);border-radius:20px;background:rgba(255,255,255,.08);backdrop-filter:blur(7px)}
    .app-panel h3{margin:0 0 8px;font-size:22px}
    .app-panel p{margin-bottom:17px;color:#c1d9e5;font-size:14px}
    .subscribe{display:flex;gap:8px}
    .subscribe input{min-width:0;flex:1;height:44px;padding:0 12px;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:rgba(255,255,255,.12);color:#fff;outline:0}
    .subscribe input::placeholder{color:#b6cad7}
    .subscribe input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(50,209,211,.13)}
    .faq-section{padding-bottom:80px}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:19px 4px;border:0;background:transparent;text-align:left;color:var(--navy);font-size:17px;font-weight:750}
    .faq-question span:last-child{color:var(--cyan-dark);font-size:22px;transition:var(--transition)}
    .faq-answer{display:none;padding:0 4px 19px;color:var(--muted);font-size:14px;line-height:1.9}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{padding:0 0 76px}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:35px 40px;border-radius:20px;background:#e2f8f6;border:1px solid #bdeae7}
    .cta-box h2{margin:0 0 8px;color:var(--navy);font-size:29px}
    .cta-box p{margin:0;color:#547080;font-size:14px}
    .site-footer{background:#051526;color:#aabcca}
    .footer-top{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:38px;padding:55px 0 35px}
    .footer-brand{color:#fff}
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand p{max-width:390px;margin:0;color:#9cb3c4;font-size:13px;line-height:1.85}
    .footer-col h3{margin:0 0 14px;color:#fff;font-size:15px}
    .footer-col a{display:block;margin:7px 0;color:#aabcca;font-size:13px}
    .footer-col a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid rgba(169,203,218,.15);font-size:12px;color:#8fa7ba}
    .footer-bottom p{margin:0}
    .footer-records{display:flex;flex-wrap:wrap;gap:14px}
    @media(max-width:1024px){
      .header-main{gap:15px}.desktop-nav a{padding:8px}.header-search{width:155px}
      .hero-grid,.story-grid,.app-grid{gap:28px}.entry-grid{grid-template-columns:repeat(2,1fr)}
      .news-item{grid-template-columns:82px 1fr}.news-item .read-more{display:none}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .topline .container{justify-content:center}.top-links{display:none}
      .header-main{height:62px;justify-content:space-between}.brand{font-size:20px}.desktop-nav,.header-search{display:none}
      .menu-btn{display:block}.mobile-nav{display:none;padding:8px 16px 14px;border-top:1px solid var(--line);background:#fff}.mobile-nav.show{display:grid;grid-template-columns:1fr 1fr;gap:5px}.mobile-nav a{padding:9px;border-radius:8px;color:#405169;font-size:14px;font-weight:650}.mobile-nav a.active,.mobile-nav a:hover{background:#eaf8f8;color:var(--navy)}
      .hero{padding:43px 0}.hero-grid,.dynamic-layout,.quick-grid,.news-grid,.story-grid,.safety-layout,.app-grid{grid-template-columns:1fr}.hero-grid{gap:28px}h1{font-size:38px}.hero-text{font-size:15px}.rank-board{max-width:570px}.section-head{display:block}.section-head h2{margin-bottom:10px}
      section{padding:58px 0}.value-grid,.quote-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr 1fr}.process-item:nth-child(2){border-right:0}.process-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .story-image img{height:280px}.story-badge{right:12px;bottom:-16px}.story-content{padding-top:15px}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .hero-metrics{gap:15px;flex-wrap:wrap}.hero-actions .btn{width:100%}.qa-list,.entry-grid,.topic-grid,.app-list,.process-grid{grid-template-columns:1fr}
      .feature-story{min-height:300px}.feature-content{left:19px;right:19px;bottom:18px}.feature-content h3{font-size:21px}
      .news-list{padding:2px 15px}.news-item{grid-template-columns:64px 1fr;gap:10px}.news-body h3{font-size:15px}.news-body p{font-size:12px}.news-date{font-size:12px}
      .process-item{border-right:0!important;border-bottom:1px solid var(--line)}.process-item:last-child{border-bottom:0}.cta-box{display:block;padding:27px 23px}.cta-box .btn{width:100%;margin-top:18px}.subscribe{flex-direction:column}.subscribe .btn{width:100%}.footer-top{grid-template-columns:1fr;gap:21px}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-records{margin-top:8px}.app-grid h2,.quick-copy h2,.story-content h2,.safety-layout h2{font-size:28px}
    }

/* roulang page: category2 */
:root{
      --navy:#071a31;
      --navy-2:#0b2745;
      --ink:#17243a;
      --muted:#66758a;
      --soft:#f4f7fb;
      --line:#dfe7f1;
      --white:#fff;
      --cyan:#32d1d3;
      --cyan-dark:#0b9fa8;
      --gold:#f7bd4e;
      --red:#e96059;
      --green:#3fbd86;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 16px 42px rgba(12,38,68,.10);
      --shadow-hover:0 24px 48px rgba(12,38,68,.17);
      --container:1180px;
      --transition:all .25s ease;
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(50,209,211,.22);color:var(--navy)}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}
    .header-main{height:72px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}
    .brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}
    .desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .desktop-nav::-webkit-scrollbar{display:none}
    .desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}
    .header-search{position:relative;width:190px;flex:0 0 auto}
    .header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}
    .header-search input::placeholder{color:#8a97a8}
    .header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}
    .search-icon{position:absolute;right:12px;top:8px;color:#73849a;font-size:17px}
    .menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}
    .mobile-nav{display:none;border-top:1px solid var(--line);background:#fff}
    .mobile-nav a{display:block;padding:14px 24px;border-bottom:1px solid #eef3f7;font-weight:700;color:#425166}
    .mobile-nav a.active{color:var(--navy);background:#eef9f9}
    .hero{position:relative;overflow:hidden;padding:30px 0 52px;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97) 0%,rgba(5,26,49,.86) 49%,rgba(3,21,39,.69) 100%),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.98}
    .hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-160px;top:-180px;border:75px solid rgba(50,209,211,.09)}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;gap:42px;align-items:center;min-height:560px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border:1px solid rgba(95,230,232,.28);border-radius:999px;background:rgba(50,209,211,.1);font-size:13px;font-weight:700;color:#a7f4f0}
    .hero h1{margin:16px 0 16px;font-size:clamp(38px,4.7vw,66px);line-height:1.04;letter-spacing:-1.8px;max-width:11ch}
    .hero-text{max-width:620px;color:#d0dce8;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}
    .btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}
    .btn-primary:hover{transform:translateY(-2px);background:#62e5e2;box-shadow:0 14px 27px rgba(50,209,211,.32)}
    .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}
    .btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
    .hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .pill{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);font-size:13px;color:#d8e7f2}
    .hero-panel{position:relative;min-height:470px;border-radius:28px;overflow:hidden;box-shadow:0 22px 55px rgba(3,14,27,.34);border:1px solid rgba(255,255,255,.12)}
    .hero-panel img{width:100%;height:100%;object-fit:cover;filter:saturate(1.04)}
    .hero-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,21,40,.12) 0%,rgba(8,21,40,.25) 35%,rgba(5,16,31,.82) 100%)}
    .hero-card{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;padding:18px;border-radius:20px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(14px)}
    .hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .live-tag{border-radius:999px;padding:3px 9px;background:rgba(233,96,89,.16);color:#ffaaa5;font-size:12px;font-weight:700}
    .hero-card strong{font-size:18px}
    .hero-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .hero-card li{display:grid;grid-template-columns:16px 1fr;gap:10px;align-items:start;color:#e3edf7;font-size:14px}
    .hero-card li::before{content:"";width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(50,209,211,.14)}
    section{padding:74px 0}
    .section-soft{background:var(--soft)}
    .section-label{display:inline-block;margin-bottom:10px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:29px}
    .section-head h2{margin:0;color:var(--navy);font-size:clamp(26px,3vw,38px);line-height:1.22;letter-spacing:-1.2px}
    .section-head p{max-width:540px;margin:0;color:var(--muted);font-size:15px}
    .intro-grid,.card-grid,.stats-grid,.value-grid,.step-grid,.foot-grid{display:grid;gap:18px}
    .stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .value-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .intro-grid{grid-template-columns:1.05fr .95fr;align-items:stretch}
    .step-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .panel,.feature-card,.stat-card,.step-card,.note-card,.cta-box,.faq-card,.update-list{border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
    .panel{padding:28px}
    .panel h3,.feature-card h3,.stat-card h3,.step-card h3,.note-card h3,.faq-card summary{color:var(--navy)}
    .stat-card{padding:22px}
    .stat-num{display:block;font-size:34px;line-height:1;font-weight:900;letter-spacing:-1px;color:var(--navy)}
    .stat-desc{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.7}
    .feature-card{overflow:hidden;transition:var(--transition)}
    .feature-card:hover,.step-card:hover,.stat-card:hover,.note-card:hover,.update-item:hover,.cta-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .feature-card figure{margin:0;height:230px;overflow:hidden;position:relative}
    .feature-card img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
    .feature-card:hover img{transform:scale(1.05)}
    .feature-card .badge{position:absolute;left:16px;top:16px;z-index:1;padding:7px 10px;border-radius:999px;background:rgba(7,26,49,.78);color:#fff;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
    .feature-card .content{padding:20px 20px 22px}
    .feature-card p{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.78}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .meta{padding:6px 10px;border-radius:999px;background:#eef8fa;color:#146870;font-size:12px;font-weight:700}
    .split-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
    .split-list li{display:grid;grid-template-columns:18px 1fr;gap:12px;align-items:start;color:var(--ink);font-size:15px;line-height:1.75}
    .split-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--cyan-dark));margin-top:9px;box-shadow:0 0 0 4px rgba(50,209,211,.12)}
    .note-card{padding:22px;display:grid;gap:10px}
    .note-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.78}
    .update-list{padding:8px;display:grid;gap:8px}
    .update-item{display:grid;grid-template-columns:76px 1fr;gap:14px;align-items:start;padding:16px 16px;border-radius:16px;transition:var(--transition)}
    .update-item:hover{background:#f8fbfd}
    .date-badge{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:72px;border-radius:16px;background:linear-gradient(180deg,#092342,#0f355e);color:#fff;font-weight:800;line-height:1.1}
    .date-badge span:first-child{font-size:20px}
    .date-badge span:last-child{margin-top:4px;font-size:12px;color:#b7d8ea}
    .update-item h3{margin:0 0 6px;font-size:17px;line-height:1.45}
    .update-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .readmore{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:var(--cyan-dark);font-weight:750;font-size:14px}
    .readmore:hover{color:var(--navy)}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .timeline:before{content:"";position:absolute;left:12%;right:12%;top:34px;height:2px;background:linear-gradient(90deg,rgba(50,209,211,.15),rgba(50,209,211,.85),rgba(50,209,211,.15))}
    .step-card{position:relative;padding:24px 20px 22px}
    .step-index{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#ecf9fa;color:#156872;font-weight:900;margin-bottom:14px}
    .step-card p{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .faq-card{padding:6px 18px}
    .faq-card summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:800;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary::after{content:"＋";color:var(--cyan-dark);font-size:20px;line-height:1;transition:var(--transition)}
    .faq-card[open] summary::after{content:"－"}
    .faq-card p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.8}
    .cta-section{padding-top:26px}
    .cta-box{position:relative;overflow:hidden;padding:34px;background:linear-gradient(135deg,#08213d 0%,#0b3157 55%,#0a223b 100%);color:#fff}
    .cta-box:after{content:"";position:absolute;inset:auto -120px -160px auto;width:340px;height:340px;border-radius:50%;border:58px solid rgba(50,209,211,.09)}
    .cta-box h2{margin:0 0 10px;font-size:clamp(28px,3.2vw,44px);line-height:1.18;letter-spacing:-1.2px}
    .cta-box p{margin:0;max-width:760px;color:#d5e2ef;font-size:15px;line-height:1.86}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{transform:translateY(-2px);background:#eaf8f8}
    .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.16)}
    .site-footer{background:#061629;color:#c6d5e3;padding-top:52px}
    .footer-top{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:28px;padding-bottom:30px}
    .footer-brand p{margin:14px 0 0;color:#9eb0c2;line-height:1.9}
    .footer-col h3{margin:0 0 14px;font-size:17px;color:#fff}
    .footer-col a{display:block;color:#9eb0c2;padding:6px 0;font-size:14px}
    .footer-col a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#9eb0c2}
    .footer-records{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
    .footer-records span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.06)}
    .page-note{font-size:14px;color:var(--muted);margin-top:12px}
    :focus-visible{outline:3px solid rgba(50,209,211,.35);outline-offset:2px}
    .skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:10px 14px;background:#fff;color:var(--navy);z-index:100;border-radius:10px;box-shadow:var(--shadow)}
    @media (max-width: 1080px){
      .hero-grid,.intro-grid,.footer-top,.stats-grid,.value-grid,.card-grid,.step-grid,.timeline,.faq-grid{grid-template-columns:1fr 1fr}
      .hero-grid{min-height:auto;padding:14px 0}
      .hero h1{max-width:none}
      .hero-panel{min-height:420px}
      .footer-top{grid-template-columns:1fr 1fr}
      .timeline:before{display:none}
    }
    @media (max-width: 768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .header-main{gap:14px;height:68px}
      .desktop-nav,.header-search{display:none}
      .menu-btn{display:inline-flex;margin-left:auto}
      .mobile-nav.open{display:block}
      .hero{padding:22px 0 40px}
      .hero-grid,.intro-grid,.footer-top,.stats-grid,.value-grid,.card-grid,.step-grid,.timeline,.faq-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      section{padding:58px 0}
      .hero-panel{min-height:360px}
      .hero h1{font-size:clamp(34px,9vw,48px)}
      .footer-bottom{flex-direction:column;align-items:flex-start}
      .footer-records{justify-content:flex-start}
      .update-item{grid-template-columns:1fr}
      .date-badge{min-height:58px;flex-direction:row;gap:8px}
      .cta-box{padding:28px 22px}
    }
    @media (max-width: 520px){
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .panel,.feature-card .content,.stat-card,.step-card,.note-card,.faq-card{padding-left:18px;padding-right:18px}
      .hero-card{left:12px;right:12px;bottom:12px;padding:16px}
      .hero-panel{min-height:330px;border-radius:22px}
      .brand{font-size:20px}
      .brand-mark{width:30px;height:30px}
      .footer-top{gap:18px}
    }

/* roulang page: category4 */
:root{
--navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;
--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;
--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;
--shadow:0 16px 42px rgba(12,38,68,.10);--shadow-hover:0 24px 48px rgba(12,38,68,.17);
--container:1180px;--transition:all .25s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}
.header-main{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}
.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}
.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
.desktop-nav::-webkit-scrollbar{display:none}
.desktop-nav a,.mobile-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}
.desktop-nav a:hover,.desktop-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{color:var(--navy);background:#eaf8f8}
.header-search{position:relative;width:190px;flex:0 0 auto}
.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0}
.header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}
.search-icon{position:absolute;right:12px;top:6px;color:#73849a;font-size:18px}
.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}
.mobile-nav{display:none}
.page-hero{position:relative;overflow:hidden;padding:54px 0 50px;background:var(--navy);color:#fff}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97),rgba(5,26,49,.78)),url('/assets/images/backpic/back-2.webp') center/cover}
.page-hero .container{position:relative}
.breadcrumb{display:flex;gap:9px;align-items:center;color:#a8c0d3;font-size:13px;margin-bottom:20px}
.breadcrumb a:hover{color:var(--cyan)}
.page-hero h1{max-width:760px;margin:0 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px}
.page-hero p{max-width:720px;margin:0;color:#d4e1eb;font-size:17px}
.badge{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;background:rgba(50,209,211,.14);border:1px solid rgba(50,209,211,.35);color:#9df0ed;font-weight:750;font-size:13px;margin-bottom:14px}
section{padding:72px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-label{display:block;margin-bottom:8px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.section-head h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:540px;margin:0;color:var(--muted);font-size:15px}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.intro-copy p{color:var(--muted);margin:0 0 18px}
.image-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--navy)}
.image-frame img{width:100%;height:350px;object-fit:cover}
.quote-line{border-left:4px solid var(--cyan);padding:5px 0 5px 18px;color:var(--navy);font-size:20px;font-weight:750}
.issue-band{background:var(--soft)}
.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.issue-card,.data-card,.scene-card,.step,.quote-card,.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:var(--transition)}
.issue-card{padding:25px}
.issue-card:hover,.data-card:hover,.scene-card:hover,.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.issue-no{color:var(--cyan-dark);font-size:13px;font-weight:850}
.issue-card h3,.data-card h3,.scene-card h3{margin:10px 0 7px;color:var(--navy);font-size:19px}
.issue-card p,.data-card p,.scene-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.72}
.data-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:start}
.data-note{padding:27px;border-radius:var(--radius);background:var(--navy);color:#fff}
.data-note h3{margin:0 0 12px;font-size:24px}
.data-note p{margin:0;color:#c9d9e5;font-size:15px}
.data-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.data-card{padding:21px}
.data-value{display:flex;align-items:baseline;gap:8px;color:var(--navy);font-size:30px;font-weight:850}
.data-value small{color:var(--muted);font-size:13px;font-weight:500}
.scene-section{background:#fbfcfe}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.scene-card{padding:22px}
.scene-card strong{display:block;color:var(--cyan-dark);font-size:28px;margin-bottom:8px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{position:relative;margin-top:20px;padding:22px;border-radius:0;border-width:0 1px 0 0}
.step:last-child{border-right:0}
.step-index{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--cyan);color:#06213b;font-weight:850}
.step h3{margin:15px 0 7px;color:var(--navy);font-size:18px}
.step p{margin:0;color:var(--muted);font-size:14px}
.evidence-section{background:var(--navy);color:#fff}
.evidence-section .section-head h2{color:#fff}
.evidence-section .section-head p{color:#b9cad7}
.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.quote-card{padding:27px;background:#102e4c;border-color:rgba(255,255,255,.12);color:#fff}
.quote-card p{margin:0 0 20px;color:#d4e1ea;font-size:16px}
.quote-card footer{display:flex;justify-content:space-between;color:#8fe4e2;font-size:13px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-item{padding:20px 22px}
.faq-item summary{cursor:pointer;color:var(--navy);font-weight:800;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--cyan-dark);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{margin:12px 0 0;color:var(--muted);font-size:14px}
.cta{padding:58px 0;background:linear-gradient(110deg,#e8fbfa,#f4f8fc)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta h2{margin:0 0 9px;color:var(--navy);font-size:32px}
.cta p{margin:0;color:var(--muted);max-width:650px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}
.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}
.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
.site-footer{padding:55px 0 0;background:var(--navy);color:#c9d6e1}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:42px}
.footer-brand p{max-width:420px;margin:18px 0 0;color:#9fb3c3;font-size:14px}
.site-footer .brand{color:#fff}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{margin:0 0 9px;color:#fff;font-size:16px}
.footer-col a{color:#a9bac8;font-size:14px}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:19px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#91a6b7}
.footer-bottom p{margin:0}
.footer-records{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
:focus-visible{outline:3px solid rgba(50,209,211,.55);outline-offset:3px}
@media(max-width:1024px){.header-main{gap:15px}.desktop-nav a{padding:8px 7px;font-size:13px}.header-search{width:155px}.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
.container{width:min(var(--container),calc(100% - 32px))}
.header-main{height:64px}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}
.mobile-nav{display:none;padding:8px 16px 16px;border-top:1px solid var(--line);background:#fff}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr}
.mobile-nav a{padding:11px 12px}
.page-hero{padding:42px 0}.page-hero h1{font-size:39px}
.intro-grid,.data-layout,.evidence-grid{grid-template-columns:1fr;gap:25px}
.issue-grid{grid-template-columns:1fr}.data-list{grid-template-columns:1fr 1fr}
.process{grid-template-columns:1fr 1fr}.step{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step:nth-child(2n){border-right:0}.faq-grid{grid-template-columns:1fr}
.section-head{display:block}.section-head p{margin-top:12px}.cta-box{display:block}.cta-box .btn{margin-top:22px}
.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-records{justify-content:flex-start;margin-top:10px}
}
@media(max-width:520px){
section{padding:54px 0}.page-hero h1{font-size:32px;letter-spacing:-1px}.page-hero p{font-size:15px}
.data-list,.scene-grid,.process{grid-template-columns:1fr}.step{border-right:0}
.image-frame img{height:260px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-records{display:block}.footer-records span{display:block;margin-top:5px}
}

/* roulang page: category5 */
:root{
--navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;
--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;
--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;
--shadow:0 16px 42px rgba(12,38,68,.10);--shadow-hover:0 24px 48px rgba(12,38,68,.17);
--container:1180px;--transition:all .25s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{display:block;max-width:100%}
button,input{font:inherit}button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}
.header-main{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}
.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}
.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
.desktop-nav::-webkit-scrollbar{display:none}
.desktop-nav a,.mobile-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}
.desktop-nav a:hover,.desktop-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{color:var(--navy);background:#eaf8f8}
.header-search{position:relative;width:190px;flex:0 0 auto}
.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}
.header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}
.search-icon{position:absolute;right:12px;top:5px;color:#73849a;font-size:19px}
.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}
.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;padding:42px 0 46px;background:var(--navy);color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97),rgba(5,26,49,.82),rgba(3,21,39,.6)),url('/assets/images/backpic/back-2.webp') center/cover}
.hero:after{content:"";position:absolute;width:350px;height:350px;border-radius:50%;right:-120px;top:-150px;border:65px solid rgba(50,209,211,.1)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:750}
.eyebrow{border:1px solid rgba(95,230,232,.3);background:rgba(50,209,211,.1);color:#a7f4f0}
.hero h1{margin:14px 0 12px;font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-2px}
.hero-text{max-width:650px;color:#d0dce8;font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}
.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}
.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}
.btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline:hover{background:#fff;color:var(--navy)}
.hero-panel{position:relative;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:23px;backdrop-filter:blur(8px)}
.hero-panel h2{margin:0 0 14px;font-size:19px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{padding:15px 10px;border-radius:12px;background:rgba(4,22,40,.5);text-align:center}
.stat strong{display:block;color:var(--cyan);font-size:26px;line-height:1.2}
.stat span{display:block;color:#c7d6e2;font-size:12px;margin-top:4px}
section{padding:72px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-label{display:inline-block;margin-bottom:8px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.section-head h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:540px;margin:0;color:var(--muted);font-size:15px}
.intro{background:var(--soft)}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.intro-copy p{margin:0 0 17px;color:#506077;font-size:17px}
.image-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.image-frame img{width:100%;height:330px;object-fit:cover}
.image-note{position:absolute;left:18px;bottom:18px;padding:9px 13px;border-radius:10px;background:rgba(7,26,49,.86);color:#fff;font-size:13px}
.people-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}
.person-feature{position:relative;min-height:410px;border-radius:var(--radius);overflow:hidden;background:var(--navy);color:#fff}
.person-feature img{width:100%;height:100%;object-fit:cover;opacity:.65}
.person-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,18,35,.95),transparent 70%)}
.person-content{position:absolute;z-index:1;left:27px;right:27px;bottom:25px}
.tag{background:rgba(50,209,211,.18);color:#a7f4f0}
.person-content h3{margin:10px 0 7px;font-size:27px;line-height:1.35}
.person-content p{margin:0;color:#d1dee8;font-size:14px}
.person-list{display:grid;gap:14px}
.person-card{display:grid;grid-template-columns:135px 1fr;gap:17px;padding:13px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:var(--transition)}
.person-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.person-card img{width:135px;height:126px;object-fit:cover;border-radius:10px}
.person-card h3{margin:9px 0 4px;font-size:18px;color:var(--navy)}
.person-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.value-section{background:#f9fbfd}
.value-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
.value-layout>div>p{color:var(--muted);font-size:16px}
.value-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.value-item{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}
.value-number{color:var(--cyan-dark);font-size:13px;font-weight:800}
.value-item h3{margin:6px 0 5px;color:var(--navy);font-size:18px}
.value-item p{margin:0;color:var(--muted);font-size:14px}
.process{background:var(--navy);color:#fff}
.process .section-head h2{color:#fff}.process .section-head p{color:#b9c9d7}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.process-step{position:relative;padding:23px 22px;border-top:1px solid rgba(255,255,255,.22)}
.process-step:not(:last-child):after{content:"→";position:absolute;right:-8px;top:17px;color:var(--cyan);font-size:22px}
.process-step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--cyan);color:var(--navy);font-size:14px}
.process-step h3{margin:15px 0 6px;font-size:18px}.process-step p{margin:0;color:#b9c9d7;font-size:14px}
.quote-section{background:var(--soft)}
.quote-box{display:grid;grid-template-columns:1fr 1.3fr;gap:34px;align-items:center;padding:34px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.quote-box img{width:100%;height:245px;object-fit:cover;border-radius:13px}
.quote-box blockquote{margin:0;color:var(--navy);font-size:24px;font-weight:700;line-height:1.55}
.quote-box cite{display:block;margin-top:17px;color:var(--muted);font-size:14px;font-style:normal}
.story{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.story h2{margin:0 0 16px;color:var(--navy);font-size:32px;line-height:1.3}
.story p{color:var(--muted);font-size:16px}
.story img{height:315px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.faq{background:#f9fbfd}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
details{border:1px solid var(--line);border-radius:13px;background:#fff;padding:17px 19px}
summary{cursor:pointer;color:var(--navy);font-weight:750;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";float:right;color:var(--cyan-dark);font-size:20px}
details[open] summary:after{content:"−"}
details p{margin:10px 0 0;color:var(--muted);font-size:14px}
.cta{padding:54px 0;background:linear-gradient(110deg,var(--navy),var(--navy-2));color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{margin:0 0 7px;font-size:30px}.cta p{margin:0;color:#c6d5e1}
.site-footer{background:#061426;color:#b7c7d5;padding-top:48px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:38px}
.footer-brand .brand{color:#fff}.footer-brand p{max-width:410px;margin:17px 0 0;font-size:14px;line-height:1.8}
.footer-col{display:flex;flex-direction:column;gap:8px;font-size:14px}.footer-col h3{margin:0 0 8px;color:#fff;font-size:16px}.footer-col a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:12px}
.footer-bottom p{margin:0}.footer-records{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px;color:#8499ad}
@media(max-width:1024px){.desktop-nav a{padding-left:7px;padding-right:7px}.header-main{gap:15px}.hero-grid,.intro-grid,.value-layout{gap:28px}.people-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr);gap:20px}.process-step:not(:last-child):after{display:none}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{padding:10px 17px 16px;border-top:1px solid var(--line);background:#fff}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:4px}.hero-grid,.intro-grid,.value-layout,.story,.quote-box{grid-template-columns:1fr}.hero{padding:38px 0}.hero h1{letter-spacing:-1px}.section-head,.cta-inner{display:block}.section-head p{margin-top:12px}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-records{justify-content:flex-start;margin-top:9px}}
@media(max-width:520px){section{padding:53px 0}.hero-actions .btn{width:100%}.stat-row{gap:5px}.stat strong{font-size:21px}.person-card{grid-template-columns:100px 1fr}.person-card img{width:100px;height:112px}.person-content h3{font-size:22px}.value-list,.faq-grid,.process-grid,.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.quote-box{padding:20px}.quote-box blockquote{font-size:20px}.image-frame img,.story img{height:245px}}

/* roulang page: category6 */
:root{--navy:#071a31;--navy2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;--shadow:0 16px 42px rgba(12,38,68,.1);--shadow-hover:0 24px 48px rgba(12,38,68,.17);--container:1180px;--transition:all .25s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none;transition:var(--transition)}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}.header-main{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}.desktop-nav::-webkit-scrollbar{display:none}.desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}.desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}.header-search{position:relative;width:190px;flex:0 0 auto}.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}.header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}.search-icon{position:absolute;right:12px;top:7px;color:#73849a;font-size:17px}.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;padding:66px 0 70px;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.96),rgba(5,26,49,.75)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{position:relative;display:grid;grid-template-columns:1fr .92fr;gap:54px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border-radius:999px;background:rgba(50,209,211,.13);border:1px solid rgba(95,230,232,.3);color:#a7f4f0;font-size:13px;font-weight:750}.hero h1{margin:16px 0 15px;max-width:650px;font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-2px}.hero-text{max-width:650px;color:#d0dce8;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}.btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}.btn-outline:hover{background:#fff;color:var(--navy)}.profile-card{padding:25px;border:1px solid rgba(255,255,255,.16);border-radius:22px;background:rgba(8,36,63,.75);box-shadow:0 20px 50px rgba(0,0,0,.2)}.profile-top{display:flex;align-items:center;gap:16px}.avatar{width:62px;height:62px;border-radius:18px;object-fit:cover}.profile-card h2{margin:0;font-size:22px}.profile-card p{margin:2px 0 0;color:#a9bfd0;font-size:14px}.data-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:25px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13)}.data-row strong{display:block;color:#fff;font-size:25px}.data-row span{color:#9bb3c5;font-size:12px}
section{padding:76px 0}.section-label{display:inline-block;margin-bottom:9px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{margin:0;color:var(--navy);font-size:clamp(26px,3vw,37px);line-height:1.25;letter-spacing:-1.2px}.section-head p{max-width:540px;margin:0;color:var(--muted);font-size:15px}.intro{background:var(--soft)}.intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}.intro h2{margin:0;color:var(--navy);font-size:35px;line-height:1.3}.intro-copy p{margin:0 0 15px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.topic-feature{position:relative;min-height:360px;overflow:hidden;border-radius:var(--radius);background:var(--navy);color:#fff}.topic-feature img{width:100%;height:100%;object-fit:cover;opacity:.68}.topic-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,21,40,.94),rgba(4,21,40,.08) 72%)}.topic-content{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}.topic-content h3{margin:11px 0 7px;font-size:26px;line-height:1.35}.topic-content p{margin:0;color:#d6e2ea;font-size:14px}.topic-list{display:grid;gap:12px}.topic-item{padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff;transition:var(--transition)}.topic-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.topic-item .tag{background:#eaf8f8;border:0;color:var(--cyan-dark)}.topic-item h3{margin:10px 0 5px;color:var(--navy);font-size:18px}.topic-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.dark-section{background:var(--navy);color:#fff}.dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:#a9bfd0}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{position:relative;padding:20px 24px 10px;border-top:2px solid rgba(50,209,211,.5)}.step:before{content:"";position:absolute;top:-8px;left:24px;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(50,209,211,.14)}.step b{display:block;margin:7px 0;color:#fff;font-size:18px}.step p{margin:0;color:#a9bfd0;font-size:14px}.evidence{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.evidence img{width:100%;height:350px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}.check-list{margin:20px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--line);color:var(--muted)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan-dark);font-weight:900}.quote{padding:60px 8%;background:#eaf8f8;border-radius:22px;text-align:center}.quote blockquote{max-width:780px;margin:0 auto 16px;color:var(--navy);font-size:25px;line-height:1.55;font-weight:700}.quote cite{color:var(--muted);font-style:normal}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}.faq-grid h2{margin:0;color:var(--navy);font-size:34px;line-height:1.3}.faq-list{display:grid;gap:11px}.faq-list details{padding:17px 20px;border:1px solid var(--line);border-radius:13px;background:#fff}.faq-list details[open]{border-color:#a8e4e4;box-shadow:0 8px 24px rgba(12,38,68,.06)}.faq-list summary{cursor:pointer;color:var(--navy);font-weight:750}.faq-list p{margin:10px 0 0;color:var(--muted);font-size:14px}.cta{padding:65px 0;background:linear-gradient(110deg,#0b2745,#0b5364);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{margin:0 0 9px;font-size:32px}.cta p{margin:0;color:#c7dce4}.site-footer{padding:48px 0 20px;background:#06182b;color:#aac0d0}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px;padding-bottom:38px}.footer-brand .brand{color:#fff;margin-bottom:15px}.footer-brand p{max-width:420px;margin:0;font-size:14px;line-height:1.8}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{margin:0 0 8px;color:#fff;font-size:16px}.footer-col a{font-size:14px;color:#aac0d0}.footer-col a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.footer-bottom p{margin:0}.footer-records{display:flex;gap:18px;flex-wrap:wrap}
:focus-visible{outline:3px solid rgba(50,209,211,.65);outline-offset:3px}
@media(max-width:1024px){.header-main{gap:15px}.desktop-nav a{padding:8px 8px}.header-search{width:150px}.hero-grid,.intro-grid,.evidence,.faq-grid{gap:30px}.timeline{grid-template-columns:repeat(2,1fr);row-gap:24px}.footer-top{gap:30px}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{display:none;padding:10px 16px 17px;border-top:1px solid var(--line);background:#fff}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr}.mobile-nav a{padding:10px 8px;color:#405169;font-size:14px}.mobile-nav a.active{color:var(--cyan-dark);font-weight:800}.hero{padding:48px 0}.hero-grid,.intro-grid,.topic-grid,.evidence,.faq-grid{grid-template-columns:1fr}.hero h1{font-size:42px}.profile-card{max-width:520px}.section-head{display:block}.section-head p{margin-top:12px}.topic-feature{min-height:300px}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){body{font-size:15px}.hero h1{font-size:35px;letter-spacing:-1px}.hero-text{font-size:15px}.hero-metrics{gap:16px}.data-row strong{font-size:21px}section{padding:55px 0}.intro h2,.faq-grid h2{font-size:28px}.timeline{grid-template-columns:1fr}.step{padding-left:20px}.step:before{left:20px}.quote{padding:38px 22px}.quote blockquote{font-size:20px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-records{margin-top:12px;display:block}.footer-records span{display:block;margin:4px 0}}

/* roulang page: category7 */
:root{
      --navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;
      --soft:#f4f7fb;--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;
      --cyan-dark:#0b9fa8;--gold:#f7bd4e;--red:#e96059;--green:#3fbd86;
      --radius:18px;--radius-sm:12px;--shadow:0 16px 42px rgba(12,38,68,.10);
      --shadow-hover:0 24px 48px rgba(12,38,68,.17);--container:1180px;
      --transition:all .25s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{display:block;max-width:100%}
    button,input{font:inherit}button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}
    .header-main{height:72px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}
    .brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}
    .desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .desktop-nav::-webkit-scrollbar{display:none}
    .desktop-nav a,.mobile-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}
    .desktop-nav a:hover,.desktop-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{color:var(--navy);background:#eaf8f8}
    .header-search{position:relative;width:190px;flex:0 0 auto}
    .header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}
    .header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}
    .search-icon{position:absolute;right:12px;top:5px;color:#73849a;font-size:19px}
    .menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}
    .mobile-nav{display:none;padding:8px 24px 16px;border-top:1px solid var(--line);overflow:auto;gap:4px}
    .hero{position:relative;overflow:hidden;padding:70px 0 76px;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97),rgba(5,26,49,.78)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero-grid{position:relative;display:grid;grid-template-columns:1fr .72fr;gap:64px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border:1px solid rgba(95,230,232,.3);border-radius:999px;background:rgba(50,209,211,.1);font-size:13px;font-weight:700;color:#a7f4f0}
    h1{margin:17px 0 18px;font-size:clamp(38px,5vw,66px);line-height:1.14;letter-spacing:-2px}
    .hero-text{max-width:650px;color:#d0dce8;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}
    .btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}
    .btn-primary:hover{transform:translateY(-2px);background:#62e5e2;box-shadow:0 14px 27px rgba(50,209,211,.32)}
    .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}
    .btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
    .portrait-card{width:260px;margin-left:auto;transform:rotate(3deg);border:8px solid rgba(255,255,255,.92);border-radius:26px;background:#183957;box-shadow:0 28px 55px rgba(0,0,0,.3);overflow:hidden}
    .portrait-card img{width:100%;height:345px;object-fit:cover}
    .portrait-note{padding:13px 15px;background:#fff;color:var(--navy);font-weight:800;font-size:14px}
    section{padding:76px 0}
    .section-label{display:inline-block;margin-bottom:9px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:29px}
    .section-head h2{margin:0;color:var(--navy);font-size:clamp(26px,3vw,37px);line-height:1.25;letter-spacing:-1.2px}
    .section-head p{max-width:550px;margin:0;color:var(--muted);font-size:15px}
    .intro{background:var(--soft)}
    .intro-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:start}
    .intro h2{margin:0 0 16px;font-size:34px;color:var(--navy);line-height:1.3}
    .intro p{margin:0 0 15px;color:var(--muted)}
    .quote-box{padding:28px;border-left:4px solid var(--cyan);border-radius:0 var(--radius) var(--radius) 0;background:#fff;box-shadow:var(--shadow)}
    .quote-box strong{display:block;color:var(--navy);font-size:20px;line-height:1.5}
    .quote-box span{display:block;margin-top:12px;color:var(--muted);font-size:14px}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .topic-main{position:relative;min-height:360px;border-radius:var(--radius);overflow:hidden;background:var(--navy);color:#fff}
    .topic-main img{width:100%;height:100%;object-fit:cover;opacity:.6}
    .topic-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,21,40,.94),transparent 75%)}
    .topic-copy{position:absolute;z-index:1;left:29px;right:29px;bottom:27px}
    .topic-copy h3{font-size:26px;line-height:1.35;margin:12px 0 8px}
    .topic-copy p{margin:0;color:#d5e2e9;font-size:14px}
    .topic-side{display:grid;gap:24px}
    .topic-small{display:grid;grid-template-columns:115px 1fr;gap:18px;padding:17px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .topic-small img{width:115px;height:115px;object-fit:cover;border-radius:13px}
    .topic-small h3{margin:4px 0 6px;color:var(--navy);font-size:17px;line-height:1.4}
    .topic-small p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .rules{background:var(--navy);color:#fff}
    .rules .section-head h2{color:#fff}.rules .section-head p{color:#b6c8d8}
    .rule-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.14);border-radius:var(--radius);overflow:hidden}
    .rule{padding:27px;background:rgba(255,255,255,.045)}
    .rule b{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--cyan);color:var(--navy);font-size:17px}
    .rule h3{margin:19px 0 8px;font-size:19px}.rule p{margin:0;color:#b9cad8;font-size:14px}
    .voices{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .voice{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(12,38,68,.05)}
    .voice p{margin:0 0 17px;color:#405169;font-size:16px}
    .voice footer{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:13px}
    .avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:#dff7f4;color:var(--cyan-dark);font-weight:800}
    .numbers{background:#eef8f8}
    .number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .number{padding:24px;border-bottom:3px solid var(--cyan);background:#fff;border-radius:14px}
    .number strong{display:block;color:var(--navy);font-size:34px;line-height:1.2}.number span{color:var(--muted);font-size:14px}
    .guide-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}
    .guide-layout h2{margin:0 0 15px;color:var(--navy);font-size:32px;line-height:1.3}
    .guide-layout>div>p{color:var(--muted)}
    .steps{display:grid;gap:13px}
    .step{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:17px 19px;border:1px solid var(--line);border-radius:14px}
    .step i{font-style:normal;color:var(--cyan-dark);font-weight:900;font-size:20px}
    .step h3{margin:0 0 3px;color:var(--navy);font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
    .faq{background:var(--soft)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 19px}
    summary{cursor:pointer;color:var(--navy);font-weight:750;list-style:none}summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";float:right;color:var(--cyan-dark)}details[open] summary:after{content:"－"}
    details p{margin:12px 0 0;color:var(--muted);font-size:14px}
    .cta{padding:64px 0;background:linear-gradient(115deg,var(--navy),var(--navy-2));color:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 9px;font-size:32px}.cta p{margin:0;color:#c6d5e1}
    .site-footer{padding:48px 0 22px;background:#06172b;color:#b9cad8}.footer-top{display:grid;grid-template-columns:1.6fr .7fr .8fr;gap:65px;padding-bottom:38px}
    .footer-brand .brand{color:#fff}.footer-brand p{max-width:420px;margin:17px 0 0;font-size:14px;line-height:1.8}
    .footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{margin:0 0 9px;color:#fff;font-size:16px}.footer-col a{font-size:14px}.footer-col a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(255,255,255,.12);padding-top:19px;font-size:13px}.footer-bottom p{margin:0}.footer-records{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    :focus-visible{outline:3px solid rgba(50,209,211,.55);outline-offset:3px}
    @media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px}.header-search{width:155px}.hero-grid{gap:35px}.footer-top{gap:30px}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.header-main{height:64px;gap:15px}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{display:none}.mobile-nav.open{display:flex;flex-wrap:wrap}.hero{padding:54px 0}.hero-grid,.intro-layout,.topic-grid,.guide-layout{grid-template-columns:1fr;gap:30px}.portrait-card{margin:0 auto;transform:rotate(2deg)}section{padding:55px 0}.section-head,.cta-box{display:block}.section-head p{margin-top:12px}.rule-list,.number-grid{grid-template-columns:1fr 1fr}.voices,.faq-grid{grid-template-columns:1fr}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-records{justify-content:flex-start;margin-top:10px}}
    @media(max-width:520px){h1{font-size:39px}.hero-text{font-size:15px}.topic-small{grid-template-columns:92px 1fr;padding:13px}.topic-small img{width:92px;height:92px}.topic-copy{left:20px;right:20px}.topic-copy h3{font-size:21px}.rule-list,.number-grid,.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-top{gap:25px}.footer-records{display:block}.footer-records span{display:block;margin-top:5px}}

/* roulang page: category3 */
:root{--navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;--shadow:0 16px 42px rgba(12,38,68,.1);--shadow-hover:0 24px 48px rgba(12,38,68,.17);--container:1180px;--transition:all .25s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none;transition:var(--transition)}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}.header-main{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}.desktop-nav::-webkit-scrollbar{display:none}.desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}.desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}.header-search{position:relative;width:190px;flex:0 0 auto}.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0}.header-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(50,209,211,.13)}.search-icon{position:absolute;right:12px;top:7px;color:#73849a;font-size:18px}.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;padding:70px 0;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97),rgba(5,26,49,.82),rgba(3,21,39,.62)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;padding:5px 11px;border:1px solid rgba(95,230,232,.3);border-radius:999px;background:rgba(50,209,211,.1);font-size:13px;font-weight:700;color:#a7f4f0}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin:18px 0 16px}.hero-text{max-width:650px;color:#d0dce8;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}.btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}.btn-outline:hover{background:#fff;color:var(--navy)}
.coupon{background:#fff;color:var(--ink);border-radius:22px;padding:27px;box-shadow:0 20px 50px rgba(0,0,0,.2);position:relative}.coupon:before,.coupon:after{content:"";position:absolute;top:50%;width:18px;height:18px;background:var(--navy);border-radius:50%;transform:translateY(-50%)}.coupon:before{left:-9px}.coupon:after{right:-9px}.coupon-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px dashed #cbd6e1;padding-bottom:18px}.coupon h2{margin:0;font-size:25px;color:var(--navy)}.coupon strong{display:block;font-size:46px;line-height:1;color:var(--cyan-dark);margin:22px 0 8px}.coupon p{margin:0;color:var(--muted);font-size:14px}.coupon .btn{width:100%;margin-top:22px}.coupon-note{font-size:12px!important;margin-top:12px!important;text-align:center}
section{padding:76px 0}.soft-section{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-label{display:inline-block;margin-bottom:9px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}.section-head h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}.section-head p{max-width:535px;margin:0;color:var(--muted);font-size:15px}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.split img{width:100%;height:355px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.copy p{color:var(--muted);margin:0 0 17px}.check-list{padding:0;margin:22px 0 0;list-style:none}.check-list li{padding:11px 0 11px 30px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan-dark);font-weight:900}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.feature-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:var(--transition)}.feature-card:hover,.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.feature-card img{height:245px;width:100%;object-fit:cover}.feature-body{padding:24px}.feature-body h3,.info-card h3{margin:10px 0 8px;color:var(--navy);font-size:21px;line-height:1.4}.feature-body p,.info-card p{color:var(--muted);font-size:14px;margin:0}.side-stack{display:grid;gap:24px}.info-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--transition)}.number{color:var(--cyan-dark);font-size:28px;font-weight:850}.data-band{background:var(--navy);color:#fff}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.14)}.data-item{padding:27px 22px;background:var(--navy)}.data-item strong{display:block;color:var(--cyan);font-size:30px}.data-item span{color:#c3d0dc;font-size:14px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step{position:relative;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e6fafa;color:var(--cyan-dark);margin-bottom:16px}.step h3{margin:0 0 7px;color:var(--navy);font-size:19px}.step p{margin:0;color:var(--muted);font-size:14px}.quote{background:#eaf8f8;border-left:4px solid var(--cyan);padding:29px 34px;border-radius:0 var(--radius) var(--radius) 0;color:var(--navy);font-size:20px}.quote small{display:block;margin-top:13px;color:var(--muted);font-size:14px}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-list details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:17px 20px;background:#fff}.faq-list summary{cursor:pointer;font-weight:750;color:var(--navy)}.faq-list p{color:var(--muted);font-size:14px;margin:12px 0 0}.cta{padding:56px 0;background:linear-gradient(115deg,var(--navy),var(--navy-2));color:#fff}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{margin:0 0 8px;font-size:31px}.cta p{margin:0;color:#cbd9e5}.site-footer{background:#061527;color:#c5d2df;padding-top:55px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:40px}.footer-brand .brand{color:#fff;margin-bottom:16px}.footer-brand p{max-width:420px;color:#9cafc0;font-size:14px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{color:#fff;font-size:16px;margin:0 0 8px}.footer-col a{font-size:14px;color:#9cafc0}.footer-col a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#91a5b8}.footer-bottom p{margin:0}.footer-records{display:flex;gap:18px;flex-wrap:wrap}.crumb{padding:20px 0 0;color:var(--muted);font-size:14px}.crumb a:hover{color:var(--cyan-dark)}
@media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px}.header-main{gap:14px}.hero-grid{gap:28px}.feature-grid{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr}.footer-top{gap:25px}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{display:none;padding:10px 16px 18px;border-top:1px solid var(--line);background:#fff}.mobile-nav.open{display:grid}.mobile-nav a{padding:10px 8px;border-radius:8px;color:#405169}.mobile-nav a.active,.mobile-nav a:hover{background:#eaf8f8;color:var(--navy)}.hero{padding:52px 0}.hero-grid,.split{grid-template-columns:1fr}.hero h1{font-size:42px}.split img{height:280px}.data-grid{grid-template-columns:1fr 1fr}.timeline,.faq-list{grid-template-columns:1fr}.cta-box{align-items:flex-start;flex-direction:column}.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){section{padding:55px 0}.hero h1{font-size:35px}.hero-text{font-size:15px}.coupon{padding:22px}.coupon strong{font-size:39px}.section-head{display:block}.section-head p{margin-top:12px}.side-stack{grid-template-columns:1fr}.data-item{padding:20px 14px}.data-item strong{font-size:25px}.quote{padding:23px;font-size:17px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-records{margin-top:12px;display:block}.footer-records span{display:block;margin-top:5px}}

/* roulang page: category3 */
:root{--navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;--shadow:0 16px 42px rgba(12,38,68,.10);--shadow-hover:0 24px 48px rgba(12,38,68,.17);--container:1180px;--transition:all .25s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none;transition:var(--transition)}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}.header-main{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}.desktop-nav::-webkit-scrollbar{display:none}.desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}.desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}.header-search{position:relative;width:190px;flex:0 0 auto}.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}.header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}.search-icon{position:absolute;right:12px;top:8px;color:#73849a;font-size:17px}.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;padding:72px 0 78px;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.97),rgba(5,26,49,.79),rgba(3,21,39,.62)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{position:relative;display:grid;grid-template-columns:1fr .85fr;gap:48px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.04em}.eyebrow{border:1px solid rgba(95,230,232,.3);background:rgba(50,209,211,.1);color:#a7f4f0}.hero h1{margin:17px 0 16px;font-size:clamp(36px,5vw,62px);line-height:1.17;letter-spacing:-2px}.hero-text{max-width:650px;color:#d0dce8;font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}.btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}.btn-outline:hover{background:#fff;color:var(--navy)}.coupon-wall{display:grid;gap:12px}.coupon{position:relative;background:#fff;color:var(--ink);border-radius:20px;padding:24px 25px;box-shadow:0 20px 48px rgba(0,0,0,.2);overflow:hidden}.coupon:after{content:"";position:absolute;right:-34px;top:-34px;width:110px;height:110px;border-radius:50%;border:22px solid rgba(50,209,211,.17)}.coupon small{color:var(--cyan-dark);font-weight:800}.coupon h2{margin:7px 0 4px;font-size:28px;line-height:1.25}.coupon p{margin:0 0 16px;color:var(--muted);font-size:14px}.coupon .btn{width:100%}.coupon-note{font-size:12px;color:#aac0d2;text-align:center}
section{padding:76px 0}.soft-section{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-label{display:inline-block;margin-bottom:9px;color:var(--cyan-dark);font-size:13px;font-weight:800;letter-spacing:.08em}.section-head h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}.section-head p{max-width:530px;margin:0;color:var(--muted);font-size:15px}.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.image-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--navy)}.image-card img{width:100%;height:370px;object-fit:cover}.prose p{color:var(--muted);margin:0 0 16px}.check-list{list-style:none;padding:0;margin:24px 0 0}.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--line);color:#3b4b61}.check-list li:before{content:"✓";position:absolute;left:0;top:9px;color:var(--cyan-dark);font-weight:900}.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:0 8px 25px rgba(12,38,68,.05);transition:var(--transition)}.feature-card:hover,.data-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.feature-card img{width:100%;height:240px;object-fit:cover}.feature-card-body{padding:22px}.feature-card h3{margin:8px 0;font-size:22px;color:var(--navy)}.feature-card p{margin:0;color:var(--muted);font-size:14px}.tag{background:#eaf8f8;color:var(--cyan-dark)}.small-stack{display:grid;gap:22px}.data-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:var(--transition)}.data-card h3{margin:0 0 8px;color:var(--navy);font-size:20px}.data-card p{margin:0;color:var(--muted);font-size:14px}.number{font-size:34px;font-weight:850;color:var(--cyan-dark);line-height:1.2}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--line)}.step{position:relative;padding:27px 20px 0 0}.step:before{content:"";position:absolute;top:-9px;left:0;width:16px;height:16px;border-radius:50%;background:var(--cyan);border:4px solid #d9fbfa}.step strong{display:block;margin-bottom:7px;color:var(--navy);font-size:18px}.step p{margin:0;color:var(--muted);font-size:14px}.quote{padding:34px 42px;background:var(--navy);border-radius:var(--radius);color:#fff;position:relative}.quote:before{content:"“";position:absolute;right:30px;top:-18px;color:var(--cyan);font-size:90px;opacity:.6}.quote p{font-size:21px;line-height:1.7;margin:0 0 17px}.quote cite{font-style:normal;color:#9eb5c9;font-size:14px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:20px 22px}.faq-item summary{cursor:pointer;font-weight:750;color:var(--navy);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--cyan-dark);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item p{margin:13px 0 0;color:var(--muted);font-size:14px}.cta{padding:58px 0;background:var(--navy-2);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 8px;font-size:34px}.cta p{margin:0;color:#bfd0df}.site-footer{padding:52px 0 22px;background:#061426;color:#b8c8d8}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}.footer-brand .brand{color:#fff}.footer-brand p{max-width:460px;margin:18px 0 0;font-size:14px;line-height:1.8}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{margin:0 0 10px;color:#fff;font-size:16px}.footer-col a{font-size:14px;color:#9fb2c5}.footer-col a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.footer-bottom p{margin:0}.footer-records{display:flex;flex-wrap:wrap;gap:15px;color:#8197ac}.notice{padding:18px 22px;border-left:4px solid var(--gold);background:#fff8e9;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#6b5932}.focus-box{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.focus-box div{padding:22px;border-radius:var(--radius-sm);background:#edfafa;border:1px solid #d6f1f0}.focus-box strong{display:block;color:var(--navy);font-size:18px;margin-bottom:6px}.focus-box span{font-size:14px;color:var(--muted)}
@media(max-width:1024px){.desktop-nav a{padding-left:8px;padding-right:8px}.header-main{gap:14px}.header-search{width:150px}.hero-grid{gap:28px}.footer-top{gap:28px}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{display:none;padding:10px 17px 17px;background:#fff;border-top:1px solid var(--line)}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:5px}.mobile-nav a{padding:10px 12px;border-radius:9px;color:#405169;font-size:14px}.mobile-nav a.active,.mobile-nav a:hover{background:#eaf8f8;color:var(--navy)}.hero{padding:55px 0 62px}.hero-grid,.split,.feature-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.coupon-wall{max-width:480px}.section-head{display:block}.section-head p{margin-top:12px}.timeline{grid-template-columns:1fr 1fr;gap:25px;border-top:0}.step{padding-top:22px;border-top:2px solid var(--line)}.faq-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-records{margin-top:12px}.cta-inner{display:block}.cta .btn{margin-top:22px}}
@media(max-width:520px){section{padding:55px 0}.hero h1{font-size:36px}.hero-text{font-size:15px}.hero-actions .btn{width:100%}.image-card img{height:260px}.focus-box{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:12px}.footer-records{display:block}.footer-records span{display:block;margin-top:6px}}

/* roulang page: category1 */
:root{--navy:#071a31;--navy-2:#0b2745;--ink:#17243a;--muted:#66758a;--soft:#f4f7fb;--line:#dfe7f1;--white:#fff;--cyan:#32d1d3;--cyan-dark:#0b9fa8;--gold:#f7bd4e;--red:#e96059;--green:#3fbd86;--radius:18px;--radius-sm:12px;--shadow:0 16px 42px rgba(12,38,68,.10);--shadow-hover:0 24px 48px rgba(12,38,68,.17);--container:1180px;--transition:all .25s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none;transition:var(--transition)}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,241,.9);box-shadow:0 5px 20px rgba(4,24,46,.04)}.header-main{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-size:22px;font-weight:850;letter-spacing:-1px;color:var(--navy)}.brand-mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),#1a91c5);color:#042038;font-size:17px;font-weight:900;box-shadow:0 7px 15px rgba(36,190,204,.26)}.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}.desktop-nav::-webkit-scrollbar{display:none}.desktop-nav a{padding:9px 11px;border-radius:9px;white-space:nowrap;font-size:14px;font-weight:650;color:#405169}.desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);background:#eaf8f8}.header-search{position:relative;width:190px;flex:0 0 auto}.header-search input{width:100%;height:38px;padding:0 35px 0 13px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc;color:var(--ink);outline:0;transition:var(--transition)}.header-search input:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(50,209,211,.13)}.search-icon{position:absolute;right:12px;top:5px;color:#73849a;font-size:18px}.menu-btn{display:none;border:0;background:transparent;font-size:24px;color:var(--navy)}.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;padding:66px 0 74px;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,35,.98),rgba(5,26,49,.83)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border:1px solid rgba(95,230,232,.3);border-radius:999px;background:rgba(50,209,211,.1);font-size:13px;font-weight:750;color:#a7f4f0}.hero h1{margin:18px 0 16px;font-size:clamp(36px,5vw,62px);line-height:1.16;letter-spacing:-2px}.hero-text{max-width:625px;color:#d0dce8;font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:15px;transition:var(--transition)}.btn-primary{background:var(--cyan);color:#052137;box-shadow:0 9px 22px rgba(50,209,211,.22)}.btn-primary:hover{transform:translateY(-2px);background:#62e5e2}.btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06)}.btn-outline:hover{background:#fff;color:var(--navy)}.hero-metrics{display:flex;gap:28px;margin-top:30px}.metric strong{display:block;font-size:25px;color:#fff}.metric span{font-size:13px;color:#aebfd0}
.score-panel{padding:23px 25px;border:1px solid rgba(169,225,234,.22);border-radius:var(--radius);background:rgba(7,26,49,.73);box-shadow:0 20px 45px rgba(0,0,0,.2)}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.panel-top h3{margin:0;font-size:18px}.live-tag{border-radius:999px;padding:3px 9px;background:rgba(233,96,89,.16);color:#ffaaa5;font-size:12px;font-weight:700}.rank-row{display:grid;grid-template-columns:31px 1fr auto;align-items:center;gap:10px;padding:13px 0;border-top:1px solid rgba(223,243,247,.12)}.rank-no{color:var(--gold);font-weight:800}.team small{display:block;color:#91a8bc;font-size:12px}.score{font-size:17px;font-weight:800}.trend{color:var(--green);font-size:12px}
section{padding:76px 0}.soft-section{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.section-label{display:block;margin-bottom:8px;color:var(--cyan-dark);font-size:13px;font-weight:850;letter-spacing:.08em}.section-head h2{margin:0;color:var(--navy);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-1px}.section-head p{max-width:530px;margin:0;color:var(--muted);font-size:15px}.intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}.intro-grid img{width:100%;height:355px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.lead{font-size:19px;line-height:1.9;color:var(--navy);font-weight:650}.body-copy{color:var(--muted);margin:15px 0}.point-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.point{padding:16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}.point b{display:block;color:var(--navy);margin-bottom:4px}.point span{font-size:14px;color:var(--muted)}
.feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-card{position:relative;min-height:330px;overflow:hidden;border-radius:var(--radius);background:var(--navy);color:#fff}.feature-card img{width:100%;height:100%;object-fit:cover;opacity:.58}.feature-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,21,40,.94),transparent 72%)}.feature-content{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}.feature-content h3{margin:9px 0 7px;font-size:25px;line-height:1.35}.feature-content p{margin:0;color:#d5e0e9;font-size:14px}.side-note{padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.side-note h3{margin:0 0 14px;color:var(--navy);font-size:22px}.side-note ul{padding:0;margin:0;list-style:none}.side-note li{padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}.side-note li:last-child{border:0}.side-note li:before{content:"●";color:var(--cyan-dark);margin-right:10px}
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(12,38,68,.04);transition:var(--transition)}.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.icon{width:42px;height:42px;border-radius:13px;background:#e7f8f7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;font-size:19px}.info-card h3{margin:17px 0 7px;color:var(--navy);font-size:19px}.info-card p{margin:0;color:var(--muted);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{position:relative;padding:27px 22px 10px;border-right:1px solid var(--line)}.step:last-child{border:0}.step-number{color:var(--cyan-dark);font-size:13px;font-weight:900}.step h3{margin:10px 0 7px;color:var(--navy);font-size:18px}.step p{margin:0;color:var(--muted);font-size:14px}
.data-band{background:var(--navy-2);color:#fff}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.data-box{padding:24px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-sm);background:rgba(255,255,255,.06)}.data-box strong{display:block;color:var(--cyan);font-size:30px}.data-box span{color:#bfd0dc;font-size:14px}.quote{max-width:850px;margin:0 auto;text-align:center;color:#dbe7ee;font-size:21px;line-height:1.9}.quote b{display:block;margin-top:17px;color:var(--cyan);font-size:14px}
.faq-list{max-width:900px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-question{width:100%;padding:21px 0;border:0;background:none;text-align:left;color:var(--navy);font-weight:750;display:flex;justify-content:space-between;gap:20px}.faq-question span{color:var(--cyan-dark);font-size:22px}.faq-answer{display:none;padding:0 40px 20px 0;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{padding:64px 0;background:linear-gradient(110deg,var(--navy),#0d4560);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{margin:0 0 8px;font-size:32px}.cta p{margin:0;color:#c6d7e2}.site-footer{padding:55px 0 20px;background:#06182d;color:#b8c9d7}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:38px}.footer-brand .brand{color:#fff}.footer-brand p{max-width:390px;margin:18px 0 0;font-size:14px;line-height:1.8}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{margin:0 0 10px;color:#fff;font-size:16px}.footer-col a{font-size:14px;color:#a9bdcb}.footer-col a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px}.footer-bottom p{margin:0}.footer-records{display:flex;flex-wrap:wrap;gap:14px;color:#8399aa}
@media(max-width:1024px){.desktop-nav a{padding:8px 7px;font-size:13px}.header-main{gap:15px}.header-search{width:155px}.hero-grid,.intro-grid,.feature-layout{gap:28px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.desktop-nav,.header-search{display:none}.menu-btn{display:block;margin-left:auto}.mobile-nav{display:none;padding:8px 17px 16px;background:#fff;border-top:1px solid var(--line)}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr}.mobile-nav a{padding:10px;border-radius:8px;color:#405169;font-size:14px}.mobile-nav a.active,.mobile-nav a:hover{background:#eaf8f8;color:var(--navy)}.hero{padding:48px 0 55px}.hero-grid,.intro-grid,.feature-layout{grid-template-columns:1fr}.hero h1{font-size:42px}.intro-grid img{height:280px}.three-grid{grid-template-columns:1fr 1fr}.data-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:12px}.cta-box{display:block}.cta .btn{margin-top:23px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:520px){section{padding:54px 0}.hero h1{font-size:35px}.hero-text{font-size:15px}.hero-metrics{gap:18px}.metric strong{font-size:21px}.point-list,.three-grid,.data-grid,.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.feature-card{min-height:300px}.footer-top,.footer-bottom{display:block}.footer-col{margin-top:25px}.footer-records{margin-top:12px;display:block}.footer-records span{display:block;margin-top:5px}}