/* roulang page: index */
:root {
      --ink:#101b2d;
      --navy:#142744;
      --blue:#1e5eff;
      --cyan:#20c7d9;
      --orange:#ff9f43;
      --cream:#f6f8fc;
      --paper:#ffffff;
      --muted:#6c7890;
      --line:#e5eaf2;
      --soft:#edf3ff;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(20,39,68,.10);
      --shadow-sm:0 8px 25px rgba(20,39,68,.08);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
    .topline{background:var(--navy);color:#dbe6fb;font-size:12px}
    .topline-inner{height:35px;display:flex;align-items:center;justify-content:space-between}
    .topline span{opacity:.86}
    .trend{display:flex;gap:18px;align-items:center}
    .trend b{color:#fff;font-weight:600}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.85)}
    .brand-row{min-height:74px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
    .brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
    .brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
    .search-box{flex:1;max-width:390px;position:relative}
    .search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:11px 48px 11px 18px;color:var(--ink);font-size:13px}
    .search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:9px 11px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-cta{background:var(--navy)!important;color:#fff!important;padding:10px 16px!important}
    .nav-cta:hover{background:var(--blue)!important}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
    .hero{min-height:690px;background-image:linear-gradient(90deg,rgba(10,23,46,.92) 0%,rgba(10,23,46,.72) 42%,rgba(10,23,46,.23) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero::after{content:"";position:absolute;inset:auto -5% -150px 40%;height:300px;background:rgba(32,199,217,.14);filter:blur(50px);transform:rotate(-8deg)}
    .hero-content{position:relative;z-index:1;max-width:760px;padding:90px 0 105px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.10);border-radius:30px;padding:7px 13px;color:#d8f9ff;font-size:12px;margin-bottom:22px}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}
    h1{font-size:clamp(38px,5.4vw,72px);line-height:1.13;letter-spacing:-.045em;margin:0 0 24px;font-weight:900;max-width:780px}
    .hero-intro{font-size:18px;line-height:1.9;color:#e2ebf8;max-width:690px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:38px}
    .btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:13px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
    .btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
    .btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-meta{display:flex;flex-wrap:wrap;gap:26px;color:#b9c8dd;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:24px;line-height:1.2}
    .hero-play{position:absolute;right:9%;top:34%;z-index:2;width:86px;height:86px;border:1px solid rgba(255,255,255,.5);border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:27px;display:grid;place-items:center;backdrop-filter:blur(8px);transition:var(--ease)}
    .hero-play:hover{transform:scale(1.08);background:var(--cyan);color:var(--navy)}
    .section{padding:92px 0}
    .section-tight{padding:66px 0}
    .section-dark{background:var(--navy);color:#fff}
    .section-blue{background:#eaf2ff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:38px}
    .section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;margin-bottom:10px}
    .section-dark .section-kicker{color:var(--cyan)}
    h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-.035em;margin:0;font-weight:900;color:var(--navy)}
    .section-dark h2{color:#fff}
    .section-head p{max-width:580px;color:var(--muted);margin:0;font-size:15px}
    .section-dark .section-head p{color:#b9c7dc}
    .link-arrow{color:var(--blue);font-weight:700;font-size:13px;white-space:nowrap}
    .link-arrow::after{content:" →";transition:var(--ease)}
    .link-arrow:hover::after{margin-left:4px}
    .notice-strip{background:#fff;border-bottom:1px solid var(--line)}
    .notice-inner{min-height:58px;display:flex;align-items:center;gap:18px}
    .notice-tag{background:#fff1e4;color:#d66a0b;border-radius:8px;padding:5px 9px;font-size:12px;font-weight:800}
    .notice-text{font-size:13px;color:#56647d;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .notice-date{font-size:12px;color:#99a3b4}
    .proof-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .proof-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
    .proof-card h3{margin:0 0 12px;font-size:23px;color:var(--navy)}
    .proof-card p{color:var(--muted);margin:0}
    .proof-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:23px}
    .proof-list div{background:#f6f8fc;border-radius:13px;padding:16px;color:#59667d;font-size:13px}
    .proof-list strong{display:block;color:var(--blue);font-size:24px;line-height:1.1;margin-bottom:5px}
    .highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .highlight-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:25px;min-height:215px;transition:var(--ease)}
    .highlight-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .icon-box{width:44px;height:44px;border-radius:13px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:21px;margin-bottom:22px}
    .highlight-card:nth-child(2) .icon-box{background:#e4fbfa;color:#08a5ad}
    .highlight-card:nth-child(3) .icon-box{background:#fff0e4;color:#e37d1e}
    .highlight-card:nth-child(4) .icon-box{background:#f0eaff;color:#7954d8}
    .highlight-card h3{font-size:18px;margin:0 0 9px;color:var(--navy)}
    .highlight-card p{font-size:13px;color:var(--muted);margin:0}
    .topic-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:25px;align-items:stretch}
    .topic-image{min-height:410px;border-radius:var(--radius);overflow:hidden;position:relative;background:#183458}
    .topic-image img{height:100%;width:100%;object-fit:cover;opacity:.75}
    .topic-image::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,24,48,.85),transparent 65%)}
    .topic-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:28px;color:#fff}
    .topic-caption h3{font-size:30px;margin:0 0 7px}
    .topic-caption p{margin:0;color:#d6e3f1;font-size:13px}
    .topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .topic-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;min-height:195px}
    .topic-item span{font-size:12px;color:var(--blue);font-weight:800}
    .topic-item h3{font-size:19px;margin:18px 0 8px;color:var(--navy)}
    .topic-item p{font-size:13px;color:var(--muted);margin:0}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .scene-card{position:relative;border-radius:20px;overflow:hidden;min-height:290px;background:#102540}
    .scene-card img{width:100%;height:100%;object-fit:cover;opacity:.65;transition:var(--ease)}
    .scene-card:hover img{transform:scale(1.06);opacity:.78}
    .scene-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:end;padding:24px;background:linear-gradient(0deg,rgba(8,23,45,.92),rgba(8,23,45,.04) 70%)}
    .scene-overlay small{color:var(--cyan);font-weight:800;margin-bottom:7px}
    .scene-overlay h3{color:#fff;font-size:23px;margin:0 0 7px}
    .scene-overlay p{color:#d3dfef;font-size:13px;margin:0}
    .platform-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
    .platform-copy p{color:var(--muted);font-size:15px}
    .check-list{list-style:none;padding:0;margin:25px 0 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);color:#46536a}
    .check-list li::before{content:"✓";width:22px;height:22px;border-radius:50%;background:#e2fbfa;color:#08a5ad;display:grid;place-items:center;font-weight:900;flex:none}
    .feature-stage{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .stage-panel{border-radius:18px;padding:25px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .stage-panel.large{grid-row:span 2;background:linear-gradient(145deg,#142744,#1d4772);color:#fff;min-height:320px;display:flex;flex-direction:column;justify-content:space-between}
    .stage-panel h3{font-size:18px;margin:0 0 8px;color:var(--navy)}
    .stage-panel.large h3{color:#fff;font-size:25px}
    .stage-panel p{font-size:13px;color:var(--muted);margin:0}
    .stage-panel.large p{color:#c8d7e9}
    .mini-score{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.2);padding-top:16px;font-size:13px}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border-radius:20px;overflow:hidden}
    .data-item{padding:28px 25px;background:rgba(255,255,255,.055);text-align:center}
    .data-item strong{display:block;font-size:35px;line-height:1.2;color:#fff}
    .data-item span{display:block;color:#b9c8dd;font-size:13px;margin-top:7px}
    .featured-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:26px}
    .featured-main{border-radius:var(--radius);overflow:hidden;position:relative;min-height:415px;background:#152d4c}
    .featured-main img{width:100%;height:100%;object-fit:cover;opacity:.75}
    .featured-main .featured-text{position:absolute;bottom:0;left:0;right:0;padding:30px;background:linear-gradient(transparent,rgba(11,27,50,.95));color:#fff}
    .featured-text h3{font-size:27px;line-height:1.3;margin:8px 0}
    .featured-text p{font-size:13px;color:#d2deed;margin:0}
    .badge{display:inline-block;border-radius:20px;padding:5px 10px;font-size:11px;font-weight:800;background:#e9f1ff;color:var(--blue)}
    .featured-main .badge{background:rgba(32,199,217,.16);color:#9ef2f4}
    .featured-side{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:var(--ease)}
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
    .content-card img{height:145px;width:100%;object-fit:cover}
    .content-card-body{padding:18px}
    .content-card h3{font-size:17px;line-height:1.45;margin:10px 0 7px;color:var(--navy)}
    .content-card p{font-size:12px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
    .steps::before{content:"";position:absolute;top:24px;left:11%;right:11%;height:1px;background:#cbd8ee}
    .step{position:relative;z-index:1;text-align:center}
    .step-num{margin:auto;width:49px;height:49px;border-radius:50%;background:var(--blue);border:7px solid #e5edff;color:#fff;display:grid;place-items:center;font-weight:800}
    .step h3{font-size:17px;color:var(--navy);margin:18px 0 7px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .app-section{background:linear-gradient(130deg,#dff9fb,#eaf2ff);position:relative;overflow:hidden}
    .app-layout{display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center}
    .app-layout h2{max-width:500px}
    .app-layout p{color:#58667d;max-width:590px}
    .app-pills{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
    .app-pills span{background:rgba(255,255,255,.8);border:1px solid rgba(30,94,255,.12);border-radius:30px;padding:7px 13px;font-size:12px;color:var(--navy)}
    .download-card{background:#fff;border-radius:25px;padding:29px;box-shadow:var(--shadow);border:1px solid #dbe6f5}
    .download-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
    .download-card h3{font-size:23px;margin:0;color:var(--navy)}
    .qr-box{width:120px;height:120px;border:8px solid #edf2f8;background:repeating-linear-gradient(45deg,#142744 0 4px,#fff 4px 8px);border-radius:12px;display:grid;place-items:center;color:#fff;font-size:11px;text-align:center}
    .qr-box span{background:var(--navy);padding:4px 7px;border-radius:4px}
    .download-card small{display:block;color:var(--muted);margin-top:16px;font-size:12px}
    .safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .safety-card{display:flex;gap:17px;background:#fff;border-radius:18px;padding:24px;border:1px solid var(--line)}
    .safety-card .icon-box{margin:0;flex:none}
    .safety-card h3{font-size:17px;margin:0 0 6px;color:var(--navy)}
    .safety-card p{font-size:13px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 25px}
    .news-row{display:grid;grid-template-columns:90px 1fr 80px;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border-bottom:0}
    .news-row time{font-size:12px;color:#9aa5b6}
    .news-row h3{font-size:16px;margin:0 0 4px;color:var(--navy)}
    .news-row p{margin:0;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .read-more{font-size:12px;color:var(--blue);font-weight:700}
    .news-aside{background:var(--navy);color:#fff;border-radius:20px;padding:29px}
    .news-aside h3{font-size:22px;margin:0 0 13px}
    .news-aside p{font-size:13px;color:#c3d0e2;margin:0 0 22px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
    .tag-cloud a{border:1px solid rgba(255,255,255,.2);color:#dce8f7;border-radius:20px;padding:7px 11px;font-size:12px}
    .tag-cloud a:hover{background:var(--cyan);border-color:var(--cyan);color:var(--navy)}
    .voices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .voice{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
    .voice p{font-size:14px;color:#4e5d75;margin:0 0 18px}
    .voice footer{display:flex;align-items:center;gap:10px;color:var(--navy);font-size:13px;font-weight:700}
    .avatar{width:35px;height:35px;border-radius:50%;background:linear-gradient(135deg,#bdeff1,#7aa4ff);display:grid;place-items:center;color:#fff;font-weight:800}
    .faq-wrap{max-width:900px;margin:auto}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:11px;overflow:hidden;background:#fff}
    .accordion-button{font-weight:800;color:var(--navy);padding:20px 22px;background:#fff!important;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 22px 21px}
    .cta-section{padding:70px 0;background:linear-gradient(110deg,var(--blue),#143e91);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{color:#fff;font-size:36px}
    .cta-inner p{color:#d7e4ff;max-width:650px;margin:10px 0 0}
    .footer{background:#0d1b30;color:#aebdd2;padding:53px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer .brand-name{color:#fff}
    .footer-desc{font-size:13px;max-width:300px;margin:18px 0 0;line-height:1.8}
    .footer h3{font-size:14px;color:#fff;margin:4px 0 15px}
    .footer ul{list-style:none;padding:0;margin:0}
    .footer li{margin:8px 0;font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#8292aa}
    .footer-bottom a{color:#aebdd2}
    @media(max-width:1100px){
      .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:12px}
      .search-box{max-width:250px}
      .highlight-grid{grid-template-columns:repeat(2,1fr)}
      .hero{min-height:620px}
    }
    @media(max-width:820px){
      .topline-inner{height:auto;min-height:35px;padding:7px 0}.trend{display:none}
      .brand-row{min-height:65px;gap:12px}.brand{min-width:auto}.brand-name{font-size:19px}
      .search-box{display:none}.menu-btn{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:0;right:0;top:65px;background:#fff;padding:10px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:11px 12px}
      .hero-play{right:7%;top:18%;width:65px;height:65px}
      .proof-grid,.topic-layout,.platform-layout,.app-layout,.news-layout{grid-template-columns:1fr}
      .scene-grid{grid-template-columns:repeat(3,1fr)}
      .featured-layout{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:560px){
      .container{padding-left:18px;padding-right:18px}
      .section{padding:62px 0}.section-tight{padding:45px 0}
      .hero{min-height:680px;background-position:61% center}
      .hero-content{padding:90px 0 70px}.hero-intro{font-size:15px}
      h1{font-size:39px}.hero-meta{gap:17px}.hero-meta strong{font-size:20px}
      .section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}
      .highlight-grid,.topic-list,.scene-grid,.feature-stage,.safety-grid,.voices{grid-template-columns:1fr}
      .scene-card{min-height:240px}.topic-image{min-height:300px}
      .data-band{grid-template-columns:repeat(2,1fr)}.data-item{padding:21px 12px}.data-item strong{font-size:27px}
      .featured-side{grid-template-columns:1fr 1fr}.content-card img{height:110px}.content-card-body{padding:13px}.content-card h3{font-size:14px}
      .steps{grid-template-columns:1fr 1fr;gap:25px}.steps::before{display:none}
      .download-card-top{align-items:flex-start}.qr-box{width:96px;height:96px}
      .news-list{padding:5px 15px}.news-row{grid-template-columns:1fr 72px;gap:8px}.news-row time{grid-column:1 / -1}.news-row p{white-space:normal}.read-more{grid-column:2;grid-row:2;text-align:right}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:9px}
    }

/* roulang page: category3 */
:root{
      --ink:#101b2d;
      --navy:#142744;
      --blue:#1e5eff;
      --cyan:#20c7d9;
      --orange:#ff9f43;
      --cream:#f6f8fc;
      --paper:#fff;
      --muted:#6c7890;
      --line:#e5eaf2;
      --soft:#edf3ff;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(20,39,68,.10);
      --shadow-sm:0 8px 25px rgba(20,39,68,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.85)}
    .brand-row{min-height:74px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
    .brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
    .brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
    .search-box{flex:1;max-width:390px;position:relative}
    .search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:11px 48px 11px 18px;color:var(--ink);font-size:13px}
    .search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:9px 11px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-cta{background:var(--navy)!important;color:#fff!important;padding:10px 16px!important}
    .nav-cta:hover{background:var(--blue)!important}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
    .page-banner{min-height:470px;background-image:linear-gradient(100deg,rgba(10,23,46,.94),rgba(10,23,46,.67) 48%,rgba(10,23,46,.28)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .page-banner:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(32,199,217,.3);border-radius:50%;right:8%;top:-180px}
    .banner-content{position:relative;z-index:1;max-width:760px;padding:68px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);border-radius:30px;padding:7px 13px;color:#d8f9ff;font-size:12px;margin-bottom:20px}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-.04em;margin:0 0 20px;font-weight:900}
    h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:900;margin:0 0 15px}
    h3{color:var(--navy);font-weight:800}
    .banner-content p{font-size:18px;line-height:1.9;color:#dce8f6;max-width:670px;margin:0 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:13px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
    .btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
    .btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--navy)}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-dark{background:var(--navy);color:#fff}
    .section-blue{background:#eaf2ff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}
    .section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;margin-bottom:9px}
    .section-dark .section-kicker{color:var(--cyan)}
    .section-dark h2{color:#fff}
    .section-head p{max-width:580px;color:var(--muted);margin:0;font-size:15px}
    .section-dark .section-head p{color:#b9c7dc}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .intro-copy p{color:var(--muted);font-size:16px}
    .image-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .image-frame img{width:100%;height:380px;object-fit:cover}
    .image-badge{position:absolute;left:22px;bottom:22px;background:rgba(20,39,68,.9);color:#fff;border-radius:14px;padding:14px 17px;font-size:13px}
    .image-badge strong{display:block;color:var(--cyan);font-size:22px;line-height:1.25}
    .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .feature-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
    .feature-main img{height:245px;width:100%;object-fit:cover;border-radius:16px;margin-bottom:24px}
    .feature-main p,.feature-side p{color:var(--muted)}
    .feature-side{display:grid;gap:20px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;transition:var(--ease)}
    .mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .mini-number{color:var(--blue);font-size:28px;font-weight:900;line-height:1;margin-bottom:13px}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .data-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .data-card strong{display:block;color:var(--blue);font-size:34px;line-height:1.2;margin-bottom:5px}
    .data-card span{color:var(--muted);font-size:13px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{min-height:245px;border-radius:var(--radius);padding:27px;color:#fff;display:flex;flex-direction:column;justify-content:end;overflow:hidden;position:relative;background-size:cover;background-position:center}
    .scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(7,20,39,.9))}
    .scene-card>*{position:relative;z-index:1}
    .scene-card:nth-child(1){background-image:url('/assets/images/coverpic/cover-4.webp')}
    .scene-card:nth-child(2){background-image:url('/assets/images/coverpic/cover-5.webp')}
    .scene-card:nth-child(3){background-image:url('/assets/images/coverpic/cover-6.webp')}
    .scene-card h3{color:#fff;margin-bottom:6px}
    .scene-card p{margin:0;color:#d9e5f4;font-size:13px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.22)}
    .process-item{padding:25px 23px 10px;border-right:1px solid rgba(255,255,255,.18);position:relative}
    .process-item:last-child{border-right:0}
    .process-item b{display:block;color:var(--cyan);font-size:13px;letter-spacing:.1em;margin-bottom:20px}
    .process-item h3{color:#fff;font-size:19px;margin-bottom:10px}
    .process-item p{color:#b9c7dc;font-size:13px;margin:0}
    .quote-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:stretch}
    .quote-panel{background:var(--blue);color:#fff;border-radius:var(--radius);padding:34px}
    .quote-panel h3{color:#fff;font-size:26px}
    .quote-panel p{color:#dce8ff}
    .quote-panel .quote-mark{font-size:68px;color:var(--cyan);line-height:.7}
    .case-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:11px 27px}
    .case-row{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .case-row:last-child{border-bottom:0}
    .case-row img{width:106px;height:70px;object-fit:cover;border-radius:12px}
    .case-row h3{font-size:17px;margin:0 0 4px}
    .case-row p{margin:0;color:var(--muted);font-size:13px}
    .case-tag{background:var(--soft);color:var(--blue);border-radius:20px;padding:5px 10px;font-size:12px;white-space:nowrap}
    .faq-wrap{max-width:900px;margin:auto}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
    .accordion-button{font-weight:800;color:var(--navy);background:#fff;padding:20px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue);background:#f7faff}
    .accordion-body{color:var(--muted);padding:0 22px 22px}
    .cta{background:linear-gradient(115deg,var(--navy),#1c477b);border-radius:var(--radius);padding:48px 55px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden;position:relative}
    .cta:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(32,199,217,.35);border-radius:50%;right:8%;top:-115px}
    .cta>*{position:relative;z-index:1}
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:#c4d4e8;margin:0;max-width:650px}
    footer{background:#0c1a30;color:#aabbd1;padding:30px 0;font-size:13px}
    .footer-top{display:flex;justify-content:space-between;gap:25px;align-items:center;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px}
    .avatar{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--cyan);color:var(--navy);font-weight:900;margin-right:8px}
    @media(max-width:1100px){
      .brand-row{gap:16px}.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:12px}
      .intro-grid,.feature-layout,.quote-layout{gap:28px}
    }
    @media(max-width:900px){
      .search-box{display:none}.menu-btn{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:68px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{text-align:center;padding:11px}
      .intro-grid,.feature-layout,.quote-layout{grid-template-columns:1fr}
      .data-grid{grid-template-columns:repeat(2,1fr)}
      .process{grid-template-columns:repeat(2,1fr);border-top:0}
      .process-item{border-top:1px solid rgba(255,255,255,.22)}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:600px){
      .container{padding-left:18px;padding-right:18px}
      .section{padding:62px 0}.section-tight{padding:45px 0}
      .brand{min-width:auto}.brand-name{font-size:18px}.brand-name small{font-size:8px}
      .page-banner{min-height:430px}.banner-content{padding:55px 0}
      .banner-content p{font-size:16px}
      .section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}
      .data-grid,.scene-grid{grid-template-columns:1fr}
      .scene-card{min-height:210px}
      .process{grid-template-columns:1fr}
      .process-item{border-right:0}
      .case-row{grid-template-columns:76px 1fr;gap:14px}
      .case-row img{width:76px;height:60px}.case-tag{grid-column:2;justify-self:start}
      .cta{padding:32px 24px;display:block}.cta .btn-main{margin-top:22px}
      .footer-top,.footer-bottom{display:block}.footer-links{margin-top:18px}
    }

/* roulang page: category2 */
:root{
      --ink:#101b2d;
      --navy:#142744;
      --blue:#1e5eff;
      --cyan:#20c7d9;
      --orange:#ff9f43;
      --cream:#f6f8fc;
      --paper:#fff;
      --muted:#6c7890;
      --line:#e5eaf2;
      --soft:#edf3ff;
      --mint:#e6fbf7;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(20,39,68,.10);
      --shadow-sm:0 8px 25px rgba(20,39,68,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.85)}
    .brand-row{min-height:74px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
    .brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
    .brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
    .search-box{flex:1;max-width:390px;position:relative}
    .search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:11px 48px 11px 18px;color:var(--ink);font-size:13px}
    .search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:9px 11px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-links .nav-cta{background:var(--navy);color:#fff;padding:10px 16px}
    .nav-links .nav-cta:hover{background:var(--blue);color:#fff}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
    .page-hero{position:relative;overflow:hidden;background-image:linear-gradient(110deg,rgba(10,23,46,.96),rgba(20,39,68,.80) 52%,rgba(20,39,68,.25)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;padding:78px 0 82px}
    .page-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-120px;top:-180px;background:rgba(32,199,217,.16);filter:blur(8px)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:42px}
    .hero-copy{padding:15px 0 25px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.10);border-radius:30px;padding:7px 13px;color:#d8f9ff;font-size:12px;margin-bottom:19px}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}
    h1,h2,h3{font-weight:900;line-height:1.25;color:var(--navy)}
    h1{font-size:clamp(34px,4.4vw,62px);letter-spacing:-.04em;color:#fff;margin:0 0 19px}
    h2{font-size:clamp(26px,3vw,39px);margin:0 0 13px;letter-spacing:-.025em}
    h3{font-size:21px;margin:0 0 9px}
    .hero-copy p{font-size:17px;color:#d9e4f4;max-width:540px;margin:0 0 26px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:12px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
    .btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
    .btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--navy)}
    .hero-score{position:relative;transform:rotate(2deg);border-radius:28px;overflow:hidden;box-shadow:0 25px 60px rgba(0,0,0,.27);border:8px solid rgba(255,255,255,.13)}
    .hero-score img{width:100%;height:390px;object-fit:cover}
    .score-panel{position:absolute;left:22px;right:22px;bottom:20px;background:rgba(10,23,46,.82);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.18);border-radius:17px;padding:16px;color:#fff;display:flex;justify-content:space-between;align-items:center}
    .score-panel small{color:#aac0da;font-size:11px}.score-panel strong{display:block;font-size:24px;line-height:1.2}
    .section{padding:82px 0}.section-tight{padding:58px 0}.section-dark{background:var(--navy);color:#fff}.section-blue{background:#eaf2ff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;margin-bottom:9px}
    .section-dark .section-kicker{color:var(--cyan)}.section-dark h2{color:#fff}.section-head p{max-width:610px;color:var(--muted);margin:0}.section-dark .section-head p{color:#b9c7dc}
    .intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
    .intro-card,.data-board,.feature-card,.scenario-card,.case-card,.timeline-card,.faq-wrap,.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .intro-card{padding:34px}.intro-card p{color:var(--muted);margin:0 0 16px}
    .quote-line{border-left:4px solid var(--cyan);padding:10px 0 10px 18px;color:var(--navy);font-size:18px;font-weight:700;margin:23px 0 0}
    .data-board{padding:27px;background:#f8fbff}
    .data-board h3{display:flex;justify-content:space-between;align-items:center}.live-dot{font-size:11px;color:#0e9f88;background:var(--mint);border-radius:30px;padding:5px 9px;font-weight:700}
    .metric-row{display:grid;grid-template-columns:1.3fr .7fr .7fr .7fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center;font-size:13px}
    .metric-row:first-of-type{color:var(--muted);font-size:11px;padding-top:3px}.metric-row:last-child{border-bottom:0}
    .metric-row strong{color:var(--navy);font-size:16px}.up{color:#08a786;font-weight:800}.down{color:#e06b51;font-weight:800}
    .feature-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .feature-card{padding:26px;min-height:235px;transition:var(--ease)}.feature-card:hover,.scenario-card:hover,.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card:nth-child(2){margin-top:28px;background:#f0fbfb}.feature-card:nth-child(3){margin-top:56px;background:#fff8ed}
    .icon-box{width:47px;height:47px;border-radius:15px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:22px;margin-bottom:22px}
    .feature-card:nth-child(2) .icon-box{background:#d9f8f4;color:#079c94}.feature-card:nth-child(3) .icon-box{background:#fff0dd;color:#d66a0b}
    .feature-card p,.scenario-card p,.case-card p{color:var(--muted);margin:0}
    .split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
    .split-image{border-radius:28px;overflow:hidden;position:relative;min-height:420px}.split-image img{width:100%;height:100%;min-height:420px;object-fit:cover}
    .image-label{position:absolute;bottom:20px;left:20px;background:#fff;border-radius:14px;padding:13px 16px;box-shadow:var(--shadow-sm);font-weight:800;color:var(--navy)}
    .check-list{list-style:none;padding:0;margin:25px 0 0}.check-list li{position:relative;padding:11px 0 11px 31px;border-bottom:1px solid var(--line);color:#4e5c72}.check-list li:before{content:"✓";position:absolute;left:0;top:9px;width:21px;height:21px;border-radius:50%;background:#dff9f5;color:#079c94;text-align:center;font-weight:900}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}.scenario-card{padding:27px;min-height:205px;transition:var(--ease)}.scenario-card:first-child{background:var(--navy);color:#fff}.scenario-card:first-child h3{color:#fff}.scenario-card:first-child p{color:#c8d5e6}.scenario-card strong{display:block;font-size:34px;color:var(--cyan);margin-bottom:10px;line-height:1}
    .case-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}.case-card{overflow:hidden}.case-card img{height:205px;width:100%;object-fit:cover}.case-content{padding:23px}.case-tag{display:inline-block;color:var(--blue);background:var(--soft);border-radius:7px;padding:4px 9px;font-size:11px;font-weight:800;margin-bottom:12px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);overflow:hidden}.timeline-card{border:0;border-radius:0;background:rgba(255,255,255,.06);box-shadow:none;padding:25px;color:#fff;position:relative}.timeline-card:not(:last-child){border-right:1px solid rgba(255,255,255,.13)}.timeline-card span{display:block;color:var(--cyan);font-weight:900;font-size:29px;margin-bottom:16px}.timeline-card h3{color:#fff;font-size:18px}.timeline-card p{color:#b9c7dc;margin:0;font-size:13px}
    .faq-wrap{padding:13px 25px}.accordion-item{border:0;border-bottom:1px solid var(--line)!important}.accordion-item:last-child{border-bottom:0!important}.accordion-button{padding:22px 5px;background:#fff!important;box-shadow:none!important;color:var(--navy);font-weight:800;font-size:16px}.accordion-button:not(.collapsed){color:var(--blue)}.accordion-body{padding:0 5px 22px;color:var(--muted)}
    .cta-box{background:linear-gradient(115deg,var(--blue),#1742a4);border-radius:30px;padding:44px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;box-shadow:0 20px 50px rgba(30,94,255,.23)}.cta-box h2{color:#fff;margin-bottom:8px}.cta-box p{color:#dce7ff;max-width:650px;margin:0}
    footer{background:#0d1a2d;color:#b9c7dc;padding:35px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:25px;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:24px}.footer-brand{font-size:20px;color:#fff;font-weight:900}.footer-brand small{display:block;color:#7890ad;font-size:10px;letter-spacing:.15em;font-weight:500}.footer-links{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}.footer-links a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:19px;font-size:12px}.profile{display:flex;align-items:center;gap:10px;color:#eef5ff}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#33200c;font-weight:900}
    @media(max-width:1100px){.brand-row{gap:15px}.nav-links a{padding:8px 7px;font-size:12px}.search-box{max-width:260px}.hero-grid{gap:25px}.feature-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:900px){.search-box{display:none}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:74px;left:0;right:0;padding:14px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.nav-links.open{display:flex}.nav-links a{flex:1 1 30%;text-align:center}.hero-grid,.intro-layout,.split-section{grid-template-columns:1fr}.hero-score{max-width:650px;margin:auto}.hero-copy{padding-bottom:0}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0}.scenario-grid{grid-template-columns:1fr 1fr}.scenario-card:first-child{grid-column:span 2}.timeline{grid-template-columns:1fr 1fr}.timeline-card:nth-child(2){border-right:0}.timeline-card:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.13)}.timeline-card:nth-child(3){border-right:1px solid rgba(255,255,255,.13)}}
    @media(max-width:600px){.container{padding-left:18px;padding-right:18px}.brand-name{font-size:18px}.brand-name small{font-size:8px}.brand{min-width:auto}.page-hero{padding:58px 0 60px}h1{font-size:38px}.hero-copy p{font-size:15px}.hero-score img{height:270px}.score-panel{left:12px;right:12px;bottom:12px}.section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.feature-grid,.scenario-grid,.case-layout{grid-template-columns:1fr}.scenario-card:first-child{grid-column:auto}.split-image,.split-image img{min-height:300px}.timeline{grid-template-columns:1fr}.timeline-card,.timeline-card:nth-child(3){border-right:0!important;border-bottom:1px solid rgba(255,255,255,.13)}.timeline-card:last-child{border-bottom:0}.cta-box{display:block;padding:31px 24px}.cta-box .btn-light{margin-top:22px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:18px}.footer-bottom span{display:block;margin-top:10px}.nav-links a{flex:1 1 45%}}

/* roulang page: category1 */
:root{
      --ink:#101b2d;
      --navy:#142744;
      --blue:#1e5eff;
      --cyan:#20c7d9;
      --orange:#ff9f43;
      --cream:#f6f8fc;
      --paper:#fff;
      --muted:#6c7890;
      --line:#e5eaf2;
      --soft:#edf3ff;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(20,39,68,.10);
      --shadow-sm:0 8px 25px rgba(20,39,68,.08);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.9)}
    .brand-row{min-height:74px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
    .brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
    .brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
    .search-box{flex:1;max-width:390px;position:relative}
    .search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:11px 48px 11px 18px;color:var(--ink);font-size:13px}
    .search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:9px 11px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-links .nav-cta{background:var(--navy);color:#fff;padding:10px 16px}
    .nav-links .nav-cta:hover{background:var(--blue);color:#fff}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
    .page-hero{position:relative;overflow:hidden;color:#fff;background-image:linear-gradient(100deg,rgba(10,23,46,.94),rgba(20,39,68,.77) 52%,rgba(20,39,68,.35)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;padding:88px 0 78px}
    .page-hero::after{content:"";position:absolute;right:-8%;bottom:-130px;width:470px;height:300px;border-radius:50%;background:rgba(32,199,217,.2);filter:blur(48px)}
    .hero-inner{position:relative;z-index:1}
    .breadcrumb-line{display:flex;gap:8px;align-items:center;color:#bfd0e6;font-size:13px;margin-bottom:28px}
    .breadcrumb-line a:hover{color:#fff}
    h1,h2,h3,h4{color:var(--navy);line-height:1.28;font-weight:850}
    .page-hero h1{color:#fff;font-size:clamp(34px,5vw,62px);max-width:760px;margin:0 0 20px;letter-spacing:-.035em}
    .page-hero p{max-width:720px;color:#dce8f6;font-size:18px;margin:0 0 30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);border-radius:30px;padding:7px 13px;color:#d8f9ff;font-size:12px;margin-bottom:18px}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:13px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
    .btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
    .btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--navy)}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-dark{background:var(--navy);color:#fff}
    .section-blue{background:#eaf2ff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;margin-bottom:9px}
    .section-dark .section-kicker{color:var(--cyan)}
    .section-dark h2{color:#fff}
    .section-head h2{font-size:clamp(26px,3vw,39px);margin:0}
    .section-head p{max-width:600px;color:var(--muted);margin:0;font-size:15px}
    .section-dark .section-head p{color:#b9c7dc}
    .intro-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}
    .intro-copy p{color:var(--muted);font-size:16px;margin-bottom:18px}
    .media-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:360px}
    .media-card img{width:100%;height:100%;min-height:360px;object-fit:cover}
    .media-card figcaption{position:absolute;left:20px;right:20px;bottom:20px;padding:16px 18px;border:1px solid rgba(255,255,255,.2);border-radius:15px;background:rgba(10,23,46,.74);color:#fff;backdrop-filter:blur(10px)}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px;min-height:190px;transition:var(--ease)}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card.large{background:var(--navy);color:#fff;min-height:310px}
    .feature-card.large h3{color:#fff}
    .feature-card h3{font-size:21px;margin:18px 0 9px}
    .feature-card p{color:var(--muted);margin:0}
    .feature-card.large p{color:#c6d5e8}
    .icon-box{width:47px;height:47px;border-radius:15px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:20px}
    .feature-card:nth-child(3) .icon-box{background:#fff1e4;color:#d66a0b}
    .feature-card:nth-child(4) .icon-box{background:#e4fbfa;color:#08a5ad}
    .tag{display:inline-block;background:#edf3ff;color:var(--blue);border-radius:8px;padding:4px 9px;font-size:12px;font-weight:800}
    .coverage-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px;align-items:stretch}
    .coverage-lead{border-radius:var(--radius);background:linear-gradient(145deg,#1e5eff,#163e9f);padding:34px;color:#fff;display:flex;flex-direction:column;justify-content:space-between}
    .coverage-lead h3{color:#fff;font-size:28px;margin:15px 0}
    .coverage-lead p{color:#dce8ff;margin:0}
    .coverage-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .coverage-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;transition:var(--ease)}
    .coverage-item:hover{border-color:#b9ccff;box-shadow:var(--shadow-sm)}
    .coverage-item strong{display:block;color:var(--navy);font-size:17px;margin-bottom:7px}
    .coverage-item span{color:var(--muted);font-size:13px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{background:#fff;border-radius:18px;border:1px solid var(--line);padding:25px}
    .scene-card .number{font-size:42px;font-weight:900;color:#dbe6ff;line-height:1}
    .scene-card h3{font-size:19px;margin:17px 0 8px}
    .scene-card p{color:var(--muted);margin:0}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.2)}
    .process-item{position:relative;padding:28px 20px 5px 0;margin-right:22px}
    .process-item::before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(32,199,217,.15)}
    .process-item strong{display:block;color:#fff;font-size:18px;margin-bottom:9px}
    .process-item p{color:#b9c7dc;font-size:13px;margin:0}
    .case-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .case-card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:31px}
    .case-card h3{font-size:25px;margin:16px 0 10px}
    .case-card p{color:var(--muted);margin:0 0 21px}
    .case-stat{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:20px}
    .case-stat strong{display:block;font-size:27px;color:var(--blue);line-height:1.2}
    .case-stat span{display:block;color:var(--muted);font-size:12px}
    .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
    .price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
    .price-card.recommended{border:2px solid var(--cyan);box-shadow:0 18px 40px rgba(32,199,217,.16);transform:translateY(-10px)}
    .recommend{position:absolute;top:18px;right:18px;background:var(--cyan);color:#08223d;padding:5px 9px;border-radius:8px;font-size:11px;font-weight:900}
    .price-card h3{margin:0 0 9px;font-size:22px}
    .price-card p{color:var(--muted);min-height:52px;font-size:13px}
    .price{font-size:36px;color:var(--navy);font-weight:900;margin:15px 0 20px}
    .price small{font-size:13px;font-weight:500;color:var(--muted)}
    .price-card ul{list-style:none;padding:0;margin:0 0 24px}
    .price-card li{padding:8px 0;color:#536078;font-size:13px;border-bottom:1px solid #f0f2f6}
    .price-card li::before{content:"✓";color:var(--blue);font-weight:900;margin-right:8px}
    .btn-price{display:flex;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:11px;font-weight:700;color:var(--navy)}
    .recommended .btn-price{background:var(--navy);color:#fff;border-color:var(--navy)}
    .btn-price:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:42px}
    .faq-layout>div>p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:13px!important;overflow:hidden;margin-bottom:11px;background:#fff}
    .accordion-button{font-weight:750;color:var(--navy);background:#fff!important;box-shadow:none!important;padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 20px 19px}
    .cta{background:linear-gradient(110deg,var(--navy),#1c4176);border-radius:var(--radius);padding:45px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;overflow:hidden;position:relative}
    .cta::after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;right:-60px;top:-90px;background:rgba(32,199,217,.17)}
    .cta h2{color:#fff;margin:0 0 10px;font-size:32px}
    .cta p{color:#cbd8e9;margin:0;max-width:650px}
    .cta .btn-main{position:relative;z-index:1;white-space:nowrap}
    footer{background:#0e1b30;color:#aebdd1;padding:28px 0 22px}
    .footer-main{display:flex;justify-content:space-between;gap:25px;align-items:center}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800}
    .avatar{width:39px;height:39px;border-radius:50%;background:var(--cyan);color:var(--navy);display:grid;place-items:center;font-weight:900}
    .footer-links{display:flex;gap:17px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:16px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}
    @media(max-width:1100px){
      .brand-row{gap:16px}.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:12px}
      .feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-row:span 2}
    }
    @media(max-width:820px){
      .brand-row{min-height:68px}.search-box{display:none}.menu-btn{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}
      .intro-grid,.coverage-wrap,.case-layout,.faq-layout{grid-template-columns:1fr}
      .page-hero{padding:68px 0 62px}.section{padding:65px 0}
      .pricing-grid{grid-template-columns:1fr}.price-card.recommended{transform:none}
      .process{grid-template-columns:repeat(2,1fr);border-top:0}.process-item{border-top:1px solid rgba(255,255,255,.2);margin:0;padding:28px 18px 12px 0}
      .cta{align-items:flex-start;flex-direction:column;padding:35px 28px}
    }
    @media(max-width:560px){
      .container{padding-left:18px;padding-right:18px}.brand{min-width:auto}.brand-name{font-size:18px}.brand-name small{font-size:8px}
      .page-hero h1{font-size:36px}.page-hero p{font-size:16px}.section-head{display:block}.section-head p{margin-top:12px}
      .feature-grid,.coverage-list,.scene-grid{grid-template-columns:1fr}.feature-card.large{grid-row:auto}
      .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}.media-card,.media-card img{min-height:280px}
      .case-stat{gap:18px}.footer-main{align-items:flex-start;flex-direction:column}
      .footer-note{display:block}.footer-note span{display:block;margin-bottom:5px}
    }

/* roulang page: category5 */
:root{--ink:#101b2d;--navy:#142744;--blue:#1e5eff;--cyan:#20c7d9;--orange:#ff9f43;--cream:#f6f8fc;--paper:#fff;--muted:#6c7890;--line:#e5eaf2;--soft:#edf3ff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(20,39,68,.10);--shadow-sm:0 8px 25px rgba(20,39,68,.08);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none;transition:var(--ease)}a:hover{color:var(--blue)}img{max-width:100%;display:block}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}.container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.9)}.brand-row{min-height:74px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;min-width:205px}.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}.brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy);line-height:1.1}.brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:4px}.search-box{flex:1;max-width:310px;position:relative}.search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:10px 44px 10px 16px;color:var(--ink);font-size:13px}.search-box button{position:absolute;right:5px;top:5px;border:0;width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff}.nav-links{display:flex;align-items:center;gap:3px;margin-left:auto}.nav-links a{padding:9px 9px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}.nav-cta{background:var(--navy)!important;color:#fff!important;padding:10px 15px!important}.nav-cta:hover{background:var(--blue)!important}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
.hero-app{position:relative;overflow:hidden;background:var(--navy);min-height:610px;color:#fff;background-image:linear-gradient(100deg,rgba(10,25,48,.96),rgba(14,36,71,.8)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}.hero-app:after{content:"";position:absolute;width:520px;height:520px;right:-150px;bottom:-300px;border-radius:50%;background:rgba(32,199,217,.2);filter:blur(25px)}.hero-app .container{position:relative;z-index:1}.app-stage{padding:76px 0 62px;display:grid;grid-template-columns:1fr 1.05fr 1fr;align-items:center;gap:28px}.hero-points{display:grid;gap:17px}.point-card{padding:17px 18px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-sm);backdrop-filter:blur(8px)}.point-card b{display:block;color:#fff;font-size:15px;margin-bottom:3px}.point-card p{margin:0;color:#c6d4e7;font-size:13px;line-height:1.65}.mini-icon{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:rgba(32,199,217,.18);color:var(--cyan);font-size:15px;margin-right:7px}.app-center{text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);border-radius:30px;padding:6px 12px;color:#d8f9ff;font-size:12px;margin-bottom:16px}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}h1{font-size:44px;line-height:1.22;letter-spacing:-.04em;margin:0 0 16px;font-weight:900}.app-center>p{color:#d4dfef;font-size:16px;max-width:460px;margin:0 auto 22px}.download-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:12px 18px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}.btn-main{background:var(--cyan);color:#09233e;box-shadow:0 12px 25px rgba(32,199,217,.2)}.btn-main:hover{background:#6ce4ed;color:#061b32;transform:translateY(-2px)}.btn-light{background:#fff;color:var(--navy)}.btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}.btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08)}.btn-outline:hover{background:#fff;color:var(--navy)}.device-card{width:218px;margin:28px auto 0;border:7px solid #09182d;border-radius:31px;padding:10px;background:#fff;box-shadow:0 25px 50px rgba(0,0,0,.32);transform:rotate(-2deg)}.device-card img{height:210px;width:100%;object-fit:cover;border-radius:19px}.device-label{padding:10px 4px 2px;color:var(--navy);font-weight:800;font-size:12px}.app-stat{display:flex;justify-content:center;gap:22px;margin-top:18px;color:#b9c8dd;font-size:12px}.app-stat strong{display:block;color:#fff;font-size:20px;line-height:1.2}.section{padding:82px 0}.section-tight{padding:58px 0}.section-blue{background:#eaf2ff}.section-dark{background:var(--navy);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:800;margin-bottom:8px}.section-dark .section-kicker{color:var(--cyan)}h2{font-size:31px;line-height:1.35;margin:0;color:var(--navy);font-weight:900;letter-spacing:-.025em}.section-dark h2{color:#fff}.section-head p{max-width:540px;margin:0;color:var(--muted)}.section-dark .section-head p{color:#b9c7dc}.intro-band{margin-top:-24px;position:relative;z-index:3}.intro-panel{display:grid;grid-template-columns:1.25fr .75fr;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.intro-copy{padding:35px 40px}.intro-copy p{margin:0;color:var(--muted);font-size:16px}.intro-metric{background:var(--blue);padding:30px;color:#fff;display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.intro-metric strong{font-size:28px;display:block;line-height:1.2}.intro-metric span{font-size:12px;color:#d8e4ff}.feature-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}.feature-photo{min-height:465px;border-radius:var(--radius);overflow:hidden;position:relative}.feature-photo img{width:100%;height:465px;object-fit:cover}.feature-photo:after{content:"满冠体育 APP";position:absolute;left:23px;bottom:20px;background:rgba(20,39,68,.87);color:#fff;padding:9px 13px;border-radius:10px;font-weight:800}.feature-list{display:grid;gap:13px}.feature-item{display:flex;gap:16px;padding:17px;border-bottom:1px solid var(--line);transition:var(--ease)}.feature-item:hover{background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);border-color:transparent}.icon-box{flex:0 0 42px;width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--soft);color:var(--blue);font-weight:900}.feature-item h3{font-size:17px;margin:0 0 4px;color:var(--navy);font-weight:800}.feature-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.flow-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:25px}.flow-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:var(--shadow-sm)}.steps{display:grid;gap:18px;margin-top:22px}.step{display:grid;grid-template-columns:42px 1fr;gap:13px;align-items:start}.step-no{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}.step h3{margin:0 0 3px;font-size:16px;font-weight:800}.step p{margin:0;color:var(--muted);font-size:13px}.safe-card{border-radius:var(--radius);padding:32px;background:linear-gradient(145deg,#17345e,#10223e);color:#fff;position:relative;overflow:hidden}.safe-card:after{content:"✓";position:absolute;right:28px;bottom:-35px;font-size:170px;font-weight:900;color:rgba(32,199,217,.13)}.safe-card p{color:#c2d2e7;position:relative;z-index:1}.safe-list{position:relative;z-index:1;display:grid;gap:12px;margin-top:23px}.safe-list span{display:block;background:rgba(255,255,255,.09);border-radius:10px;padding:11px 13px;color:#e7eff9;font-size:13px}.scene-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}.scene-card{border-radius:var(--radius);overflow:hidden;min-height:255px;position:relative;background:#1c3458;color:#fff}.scene-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.64}.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,27,51,.92),rgba(11,27,51,.08))}.scene-card:first-child{min-height:330px}.scene-copy{position:absolute;z-index:1;bottom:0;padding:25px}.scene-copy span{font-size:12px;color:var(--cyan);font-weight:800}.scene-copy h3{font-size:21px;margin:5px 0 6px;font-weight:900}.scene-copy p{margin:0;font-size:13px;color:#d7e2f0;line-height:1.65}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:var(--ease)}.service-card:hover{transform:translateY(-5px);border-color:#b9d1ff;box-shadow:var(--shadow-sm)}.service-card b{display:block;font-size:18px;color:var(--blue);margin-bottom:9px}.service-card h3{font-size:16px;margin:0 0 6px;font-weight:800}.service-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.notice-board{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center}.notice-board p{color:#c1d0e3;font-size:16px}.notice-list{display:grid;gap:10px}.notice-list div{display:flex;gap:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);padding:14px 16px;border-radius:12px;color:#dbe7f4;font-size:13px}.notice-list b{color:var(--cyan)}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}.faq-side{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);height:max-content}.faq-side p{color:var(--muted)}.accordion-item{border:1px solid var(--line)!important;border-radius:13px!important;margin-bottom:11px;overflow:hidden}.accordion-button{font-weight:800;color:var(--navy);box-shadow:none!important;padding:18px 20px}.accordion-button:not(.collapsed){background:var(--soft);color:var(--blue)}.accordion-body{color:var(--muted);padding:0 20px 18px}.cta{padding:0 0 84px}.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(105deg,#1e5eff,#1aaebe);padding:50px 55px;color:#fff}.cta-panel:after{content:"";position:absolute;width:310px;height:310px;right:-80px;top:-170px;border:45px solid rgba(255,255,255,.13);border-radius:50%}.cta-panel h2{color:#fff;max-width:620px}.cta-panel p{color:#e1faff;max-width:650px;margin:12px 0 23px}.cta-panel .btn-light{position:relative;z-index:1}
footer{background:#0d1b30;color:#b7c5d8;padding:42px 0 26px}footer .footer-grid{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:27px;margin-bottom:20px}.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:900}.footer-brand .brand-mark{width:36px;height:36px}.footer-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 18px;font-size:13px}.footer-nav a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px}.footer-extra{margin-top:14px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#8fa3bf}.avatar{display:inline-grid;place-items:center;width:24px;height:24px;background:var(--cyan);border-radius:50%;font-size:12px;color:var(--navy);font-weight:900;margin-right:7px}
@media(max-width:1120px){.search-box{display:none}.brand-row{gap:15px}.nav-links a{padding:8px 7px;font-size:12px}.app-stage{grid-template-columns:1fr 1.1fr}.hero-points:last-child{display:none}.service-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.brand-row{min-height:65px}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:0;right:0;top:65px;background:#fff;padding:14px 20px 19px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.nav-links.open{display:flex}.nav-links a{font-size:13px}.nav-cta{margin-left:0}.app-stage{grid-template-columns:1fr;padding:56px 0}.hero-points{grid-template-columns:repeat(2,1fr);order:2}.app-center{order:1}.device-card{margin-bottom:2px}.section{padding:63px 0}.section-head,.feature-layout,.flow-grid,.notice-board,.faq-layout{grid-template-columns:1fr;display:grid;gap:22px}.section-head{align-items:start}.intro-panel{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-column:span 2;min-height:290px}.feature-photo,.feature-photo img{min-height:320px;height:320px}.footer-grid{grid-template-columns:1fr!important}.footer-nav{justify-content:flex-start}.cta-panel{padding:38px 28px}h1{font-size:36px}h2{font-size:27px}}@media(max-width:520px){.container{padding-left:17px;padding-right:17px}.brand{min-width:auto}.brand-name{font-size:18px}.brand-name small{font-size:8px}.hero-points,.scene-grid,.service-grid{grid-template-columns:1fr}.scene-card:first-child{grid-column:auto;min-height:250px}.intro-copy{padding:26px 22px}.intro-metric{padding:24px}.app-stat{gap:14px}.download-actions{flex-direction:column}.download-actions a{width:100%}.section-head{margin-bottom:24px}.cta-panel{padding:34px 23px}.footer-bottom{display:block}.footer-bottom div{margin-bottom:7px}}

/* roulang page: category6 */
:root{
 --ink:#101b2d;--navy:#142744;--blue:#1e5eff;--cyan:#20c7d9;--orange:#ff9f43;
 --cream:#f6f8fc;--paper:#fff;--muted:#6c7890;--line:#e5eaf2;--soft:#edf3ff;
 --radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(20,39,68,.10);
 --shadow-sm:0 8px 25px rgba(20,39,68,.08);--ease:all .28s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--blue)}
img{max-width:100%;display:block}
button,input{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
.container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,234,242,.85)}
.brand-row{min-height:74px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;min-width:205px}
.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
.brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
.brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
.search-box{flex:1;max-width:390px;position:relative}
.search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:11px 48px 11px 18px;color:var(--ink);font-size:13px}
.search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 11px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
.nav-cta{background:var(--navy)!important;color:#fff!important;padding:10px 16px!important}
.nav-cta:hover{background:var(--blue)!important}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
.page-hero{min-height:500px;background-image:linear-gradient(90deg,rgba(10,23,46,.94),rgba(10,23,46,.68) 52%,rgba(10,23,46,.24)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:390px;height:390px;right:4%;bottom:-220px;background:rgba(32,199,217,.2);filter:blur(45px);border-radius:50%}
.hero-content{position:relative;z-index:1;padding:78px 0}
.eyebrow,.label{display:inline-flex;align-items:center;gap:8px;border-radius:30px;padding:7px 13px;font-size:12px;font-weight:700;letter-spacing:.04em}
.eyebrow{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#d8f9ff}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,217,.16)}
h1{font-size:clamp(36px,5vw,66px);line-height:1.16;letter-spacing:-.04em;margin:20px 0 20px;font-weight:900}
h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:900;margin:0 0 14px}
h3{font-size:21px;line-height:1.4;color:var(--navy);font-weight:800}
.hero-copy{max-width:680px;color:#dce7f7;font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:13px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
.btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
.btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
.btn-outline{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.08)}
.btn-outline:hover{background:#fff;color:var(--navy)}
.section{padding:82px 0}
.section-tight{padding:58px 0}
.section-dark{background:var(--navy);color:#fff}
.section-blue{background:#eaf2ff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-kicker{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:800;margin-bottom:10px}
.section-dark .section-kicker{color:var(--cyan)}
.section-dark h2{color:#fff}
.section-head p{max-width:600px;color:var(--muted);margin:0}
.section-dark .section-head p{color:#b9c7dc}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.intro-copy{padding:36px}
.intro-copy p{color:var(--muted);font-size:16px}
.stat-board{padding:30px;background:#10223d;color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
.stat-board:before{content:"";position:absolute;width:200px;height:200px;right:-80px;top:-80px;border:1px solid rgba(32,199,217,.35);border-radius:50%}
.stat-board h3{color:#fff;margin:0 0 22px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stat{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);border-radius:14px;padding:18px}
.stat strong{display:block;color:var(--cyan);font-size:29px;line-height:1.2}
.stat span{color:#b9c8dd;font-size:13px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px;min-height:220px;transition:var(--ease)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.icon-box{width:44px;height:44px;border-radius:14px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:900;margin-bottom:22px}
.feature-card:nth-child(2) .icon-box{background:#e4fbfa;color:#08a5ad}
.feature-card:nth-child(3) .icon-box{background:#fff1e4;color:#d66a0b}
.feature-card p,.benefit-list p{color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}
.split img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.check-list{list-style:none;padding:0;margin:22px 0 0}
.check-list li{padding:12px 0 12px 30px;border-bottom:1px solid var(--line);position:relative;color:#4d5c73}
.check-list li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--blue);font-size:18px;font-weight:900}
.scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.scenario-main{padding:32px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.scenario-side{display:grid;gap:20px}
.scenario-side .panel{padding:25px}
.label{background:#eaf2ff;color:var(--blue);padding:5px 10px;border-radius:8px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:26px}
.step{position:relative;padding:20px 22px 15px;border-top:2px solid #cbd8ed}
.step:before{content:"";position:absolute;top:-9px;left:22px;width:16px;height:16px;background:var(--cyan);border:4px solid #dff9fb;border-radius:50%}
.step b{display:block;color:var(--blue);font-size:13px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13px;margin:0}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative}
.price-card.featured{border:2px solid var(--cyan);box-shadow:var(--shadow);transform:translateY(-10px)}
.price-card h3{margin-top:16px}
.price{font-size:35px;color:var(--navy);font-weight:900;margin:18px 0}
.price small{font-size:13px;color:var(--muted);font-weight:500}
.faq-list{max-width:880px;margin:auto}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-button{font-weight:800;color:var(--navy);background:#fff;padding:19px 22px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--blue);background:#f7faff}
.accordion-body{color:var(--muted);padding:0 22px 20px}
.cta{background:linear-gradient(120deg,#152a4b,#1b4971);border-radius:var(--radius);padding:48px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden}
.cta h2{color:#fff;margin-bottom:8px}
.cta p{color:#c8d9ea;margin:0;max-width:650px}
.site-footer{background:#0d1a2e;color:#b9c7dc;padding:40px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
.avatar{width:40px;height:40px;border-radius:50%;display:inline-grid;place-items:center;background:var(--cyan);color:var(--navy);font-weight:900;margin-right:10px}
.footer-brand{color:#fff;font-weight:800;font-size:18px}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:27px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}
@media(max-width:1100px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:12px}.brand-row{gap:16px}}
@media(max-width:900px){.search-box{max-width:270px}.nav-links{display:none}.menu-btn{display:block;margin-left:auto}.nav-links.open{display:flex;position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}.nav-links.open a{padding:12px 15px}.intro-grid,.split,.scenario-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.price-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.timeline{grid-template-columns:repeat(2,1fr);row-gap:20px}}
@media(max-width:600px){.container{padding-left:18px;padding-right:18px}.brand-row{min-height:66px}.brand{min-width:auto}.brand-name{font-size:17px}.brand-name small{font-size:8px}.search-box{display:none}.page-hero{min-height:520px}.hero-content{padding:65px 0}.hero-copy{font-size:15px}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.intro-copy,.stat-board,.scenario-main{padding:25px}.feature-grid{grid-template-columns:1fr}.stats{gap:8px}.stat{padding:14px}.stat strong{font-size:24px}.split img{height:270px}.timeline{grid-template-columns:1fr}.cta{padding:30px 24px;display:block}.cta .btn-main{margin-top:22px}.footer-top{display:block}.footer-links{margin-top:22px;gap:12px}}

/* roulang page: category4 */
:root{
      --ink:#101b2d;--navy:#142744;--blue:#1e5eff;--cyan:#20c7d9;--orange:#ff9f43;
      --cream:#f6f8fc;--paper:#fff;--muted:#6c7890;--line:#e5eaf2;--soft:#edf3ff;
      --mint:#e6fbf7;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(20,39,68,.10);
      --shadow-sm:0 8px 25px rgba(20,39,68,.08);--ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(32,199,217,.48);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .brand-row{min-height:74px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:0 8px 18px rgba(30,94,255,.25)}
    .brand-name{font-size:21px;font-weight:900;letter-spacing:.04em;color:var(--navy)}
    .brand-name small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:500;letter-spacing:.16em;margin-top:3px}
    .search-box{flex:1;max-width:380px;position:relative}
    .search-box input{width:100%;border:1px solid var(--line);background:#f7f9fd;border-radius:30px;padding:10px 47px 10px 17px;color:var(--ink);font-size:13px}
    .search-box button{position:absolute;right:6px;top:5px;border:0;width:31px;height:31px;border-radius:50%;background:var(--blue);color:#fff}
    .nav-links{display:flex;align-items:center;gap:3px;margin-left:auto}
    .nav-links a{padding:9px 10px;border-radius:10px;color:#536078;font-size:13px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-links .nav-cta{background:var(--navy);color:#fff;padding:10px 15px}
    .nav-links .nav-cta:hover{background:var(--blue);color:#fff}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;color:var(--navy)}
    .page-banner{background:linear-gradient(90deg,rgba(10,23,46,.92),rgba(10,23,46,.55)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;padding:82px 0 88px}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;border-radius:30px;padding:6px 13px;font-size:12px;font-weight:700}
    .eyebrow{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#d8f9ff}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
    h1,h2,h3{font-weight:900;line-height:1.25;color:var(--navy)}
    .page-banner h1{color:#fff;font-size:clamp(36px,5vw,64px);margin:20px 0 15px;letter-spacing:-.04em}
    .page-banner p{max-width:680px;color:#dbe7f8;font-size:17px;margin:0}
    .section{padding:82px 0}
    .section-tight{padding:60px 0}
    .section-dark{background:var(--navy);color:#fff}
    .section-blue{background:#eaf2ff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:35px}
    .section-kicker{color:var(--blue);font-size:12px;letter-spacing:.18em;font-weight:800;margin-bottom:10px}
    .section-dark .section-kicker{color:var(--cyan)}
    .section-dark h2{color:#fff}
    .section-head p{max-width:590px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#bdcbe0}
    .intro-lead{font-size:19px;color:#40506a;line-height:1.9}
    .btn-main,.btn-light,.btn-outline{border:0;border-radius:13px;padding:12px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--cyan);color:#08223d;box-shadow:0 12px 25px rgba(32,199,217,.22)}
    .btn-main:hover{background:#67e0ea;color:#061b32;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#eaf7ff;color:var(--blue);transform:translateY(-2px)}
    .btn-outline{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--navy)}
    .visual-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .visual-card img{height:285px;width:100%;object-fit:cover}
    .visual-copy{padding:25px}
    .visual-copy h3{font-size:24px;margin:0 0 10px}
    .feature-list{list-style:none;padding:0;margin:0}
    .feature-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .feature-list li:last-child{border:0}
    .feature-icon{flex:0 0 36px;height:36px;border-radius:11px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900}
    .feature-list strong{display:block;color:var(--navy);margin-bottom:3px}
    .feature-list span{color:var(--muted);font-size:14px}
    .metric{padding:25px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.06)}
    .metric strong{font-size:34px;color:var(--cyan);display:block;line-height:1.1}
    .metric span{color:#c4d1e3;font-size:13px}
    .topic-card{height:100%;padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:var(--ease)}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .topic-card h3{font-size:20px;margin:15px 0 8px}
    .topic-card p{color:var(--muted);margin:0;font-size:14px}
    .tag{background:var(--mint);color:#168c83}
    .scenario{padding:28px;border-left:4px solid var(--cyan);background:#fff;border-radius:0 var(--radius-sm) var(--radius-sm) 0;box-shadow:var(--shadow-sm);height:100%}
    .scenario h3{font-size:19px;margin:0 0 8px}
    .scenario p{color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
    .step{position:relative;padding:26px 22px;background:#fff;border-radius:var(--radius-sm);border:1px solid var(--line)}
    .step:before{counter-increment:step;content:"0" counter(step);color:var(--blue);font-weight:900;font-size:25px}
    .step h3{font-size:17px;margin:13px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .case-panel{background:linear-gradient(120deg,#142744,#1c3967);border-radius:var(--radius);padding:38px;color:#fff;box-shadow:var(--shadow)}
    .case-panel h2{color:#fff;font-size:30px}.case-panel p{color:#cbd8e9}
    .quote{border-left:3px solid var(--orange);padding-left:18px;color:#e9f3ff;font-size:16px}
    .faq .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
    .faq .accordion-button{font-weight:800;color:var(--navy);background:#fff;box-shadow:none;padding:20px}
    .faq .accordion-button:not(.collapsed){color:var(--blue);background:var(--soft)}
    .faq .accordion-body{color:var(--muted);padding:0 20px 20px}
    .cta{background:linear-gradient(110deg,var(--blue),#1741a5);color:#fff;border-radius:var(--radius);padding:45px 50px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(32,199,217,.18);right:-70px;top:-120px}
    .cta h2{color:#fff;font-size:31px;margin-bottom:10px}.cta p{color:#dce8ff;max-width:650px;margin:0}
    footer{background:#0e1a2d;color:#b9c8da;padding:24px 0;font-size:13px}
    .footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .avatar{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#17233a;font-weight:900;margin-right:9px}
    .footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a:hover{color:var(--cyan)}
    @media(max-width:1100px){.search-box{max-width:250px}.nav-links a{padding:8px 6px;font-size:12px}}
    @media(max-width:900px){.brand-row{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.search-box{order:3;max-width:none;flex-basis:100%}.nav-links{display:none;width:100%;order:4;flex-direction:column;align-items:stretch;padding:10px 0}.nav-links.open{display:flex}.nav-links a{text-align:center}.menu-btn{display:block;margin-left:auto}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:576px){.container{padding-left:18px;padding-right:18px}.section{padding:58px 0}.page-banner{padding:62px 0}.page-banner h1{font-size:40px}.section-head{display:block}.section-head p{margin-top:15px}.steps{grid-template-columns:1fr}.cta{padding:30px 24px}.footer-inner{display:block}.footer-links{margin-top:14px}}