/* roulang page: index */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}.section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}.section-lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}.btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}.btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}.btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}.nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}.logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}.desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}.desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}.nav-action{font-size:14px;padding:10px 14px}
    .hero{position:relative;min-height:635px;display:flex;align-items:flex-end;overflow:hidden;background:#09192f;color:#fff;background-image:linear-gradient(90deg,rgba(4,15,32,.91) 6%,rgba(5,18,39,.72) 48%,rgba(5,18,39,.36)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}.hero:after{content:"";position:absolute;inset:auto 0 0;height:190px;background:linear-gradient(transparent,#09192f)}.hero-inner{position:relative;z-index:1;padding:110px 0 74px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:end}.hero-copy{max-width:700px}.hot-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(234,170,37,.18);border:1px solid rgba(255,211,126,.48);color:#ffe5af;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:700}.pulse{width:7px;height:7px;background:#ffc14a;border-radius:50%;box-shadow:0 0 0 5px rgba(255,193,74,.16)}h1{font-size:clamp(38px,6vw,68px);line-height:1.08;letter-spacing:-.06em;margin:18px 0;font-weight:900}.hero p{font-size:17px;line-height:1.9;color:#d5e4f7;max-width:650px;margin:0}.hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(5px)}.hero .btn-light:hover{background:#fff;color:var(--ink)}.hero-stats{display:flex;gap:26px;margin-top:34px}.hero-stats strong{font-size:25px;display:block;line-height:1.1}.hero-stats span{font-size:12px;color:#b7cae4}.poster-card{position:relative;border:1px solid rgba(255,255,255,.28);border-radius:23px;overflow:hidden;box-shadow:0 25px 55px rgba(0,0,0,.36);transform:rotate(2deg);background:#102c50}.poster-card img{width:100%;height:340px;object-fit:cover;opacity:.83}.poster-info{position:absolute;inset:auto 0 0;padding:26px;background:linear-gradient(transparent,rgba(4,14,30,.96))}.poster-info b{font-size:20px;display:block}.poster-info span{font-size:13px;color:#d6e4f6}.poster-chip{position:absolute;top:18px;right:18px;padding:7px 11px;border-radius:99px;color:#fff;background:rgba(10,32,60,.72);border:1px solid rgba(255,255,255,.27);font-size:12px}
    .feature-strip{position:relative;margin-top:-1px;background:#09192f;color:#d4e3f6}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(191,215,244,.16)}.feature-grid div{padding:23px 22px;border-right:1px solid rgba(191,215,244,.16)}.feature-grid b{display:block;color:#fff;font-size:15px}.feature-grid span{font-size:12px;color:#9fb5d2}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:66px;align-items:center}.image-frame{position:relative}.image-frame img{height:440px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.float-note{position:absolute;bottom:-20px;right:-20px;background:#fff;padding:18px 20px;border-radius:16px;box-shadow:var(--shadow);max-width:230px}.float-note strong{display:block;color:var(--brand);font-size:26px}.float-note span{font-size:13px;color:var(--muted)}.copy p{color:var(--muted);margin:16px 0}.check-list{padding:0;margin:23px 0;list-style:none}.check-list li{padding:10px 0 10px 29px;border-bottom:1px dashed #d9e7f4;position:relative;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:0;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;top:13px}
    .blue-panel{background:linear-gradient(135deg,#e8f4ff,#f9fcff);border-top:1px solid #d7eafa;border-bottom:1px solid #d7eafa}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.matrix-card{background:#fff;border:1px solid #dfebf8;border-radius:18px;padding:25px;box-shadow:0 6px 16px rgba(26,79,140,.04);transition:.25s}.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bbd8f5}.matrix-card .num{color:#8dbce8;font-weight:900;font-size:34px;line-height:1}.matrix-card h3{font-weight:800;font-size:18px;margin:12px 0 7px}.matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .progress-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;margin-top:34px}.progress-card,.rule-card{background:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow);border:1px solid #e2edf9}.step-row{display:grid;grid-template-columns:38px 1fr auto;gap:13px;align-items:center;padding:15px 0;border-bottom:1px solid #edf2f8}.step-row:last-child{border:0}.step-num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#eaf4ff;color:var(--brand);font-size:13px;font-weight:900}.step-row b{display:block;font-size:15px}.step-row small{color:var(--muted);font-size:12px}.done{color:var(--green);font-size:12px;font-weight:700}.bar{height:8px;background:#e9f0f8;border-radius:10px;overflow:hidden;margin:18px 0 8px}.bar i{height:100%;display:block;border-radius:10px;background:linear-gradient(90deg,#1769d6,#5aa6f5)}.rule-card h3{font-size:21px;margin:0 0 9px}.rule-card p{color:var(--muted);font-size:14px}.mini-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.mini-tags span{font-size:12px;padding:6px 10px;background:#f2f7fd;border-radius:8px;color:#426180}
    .data-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:stretch}.chart-card{background:#102c50;color:#fff;border-radius:22px;padding:30px;overflow:hidden;position:relative}.chart-card:after{content:"";position:absolute;width:230px;height:230px;border-radius:50%;right:-75px;bottom:-100px;background:rgba(83,163,247,.16)}.chart-card p{color:#b6cce6;font-size:14px}.chart{height:160px;display:flex;align-items:end;gap:12px;margin-top:25px;position:relative;z-index:1}.chart div{flex:1;border-radius:8px 8px 0 0;background:linear-gradient(#6db4fa,#2575d8);position:relative;min-width:20px}.chart span{position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);font-size:11px;color:#a9c5e2}.kpis{display:grid;grid-template-columns:1fr 1fr;gap:16px}.kpi{background:#fff;border:1px solid #e0ebf7;border-radius:18px;padding:23px;box-shadow:0 8px 20px rgba(21,72,129,.06)}.kpi strong{font-size:31px;line-height:1;color:var(--brand);display:block}.kpi span{font-size:13px;color:var(--muted);display:block;margin-top:9px}
    .quote-section{background:#fff}.quote-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:38px;align-items:center}.quote-mark{font-size:110px;color:#dbeeff;line-height:.6;font-family:serif}.testimonial{background:#f2f8ff;border:1px solid #dceafa;padding:31px;border-radius:20px}.testimonial p{font-size:18px;line-height:1.85;margin:0;color:#2c4768}.person{display:flex;align-items:center;gap:12px;margin-top:20px}.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#1769d6,#79b6f5);color:#fff;display:grid;place-items:center;font-weight:800}.person small{display:block;color:var(--muted)}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-top:31px}.guide{border:1px solid #dfeaf5;border-radius:17px;padding:21px;background:#fff;transition:.2s}.guide:hover{border-color:#aacdf2;box-shadow:var(--shadow)}.guide em{font-style:normal;color:var(--gold);font-weight:900;font-size:14px}.guide h3{font-size:16px;margin:9px 0}.guide p{color:var(--muted);font-size:13px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;margin-top:32px}.news-list{background:#fff;border:1px solid #e0ebf7;border-radius:20px;padding:8px 25px;box-shadow:var(--shadow)}.news-item{padding:21px 0;border-bottom:1px solid #eaf0f7}.news-item:last-child{border:0}.news-meta{font-size:12px;color:#6d8bb0;font-weight:700}.news-item h3{font-size:17px;margin:5px 0}.news-item p{font-size:14px;color:var(--muted);margin:0 0 10px}.read{font-size:13px;font-weight:800;color:var(--brand)}.featured-news{border-radius:20px;overflow:hidden;background:#102c50;color:#fff;box-shadow:var(--shadow)}.featured-news img{height:180px;width:100%;object-fit:cover}.featured-news div{padding:24px}.featured-news p{color:#c7daee;font-size:14px}.featured-news a{color:#9fd0ff;font-weight:700;font-size:14px}
    .live{background:#eaf5ff}.live-box{display:grid;grid-template-columns:.82fr 1.18fr;overflow:hidden;border-radius:23px;background:#fff;box-shadow:var(--shadow);border:1px solid #d8e9fa}.live-cover{min-height:310px;background:linear-gradient(rgba(8,32,62,.1),rgba(8,32,62,.55)),url('/assets/images/coverpic/cover-7.webp') center/cover;display:flex;align-items:flex-end;padding:28px;color:#fff}.live-cover b{font-size:25px}.live-content{padding:33px}.countdown{display:flex;gap:9px;margin:18px 0}.countdown span{min-width:54px;text-align:center;padding:8px;background:#eff7ff;border-radius:10px;color:var(--brand);font-size:19px;font-weight:900}.countdown small{display:block;font-size:10px;color:var(--muted);font-weight:400}.live-content ul{padding-left:19px;color:var(--muted);font-size:14px}.live-content li{margin:8px 0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}.faq-list details{background:#fff;border:1px solid #dfebf7;border-radius:14px;padding:0 19px;margin-bottom:12px;transition:.2s}.faq-list details[open]{border-color:#a8cdf4;box-shadow:0 8px 20px rgba(23,105,214,.07)}.faq-list summary{padding:17px 25px 17px 0;font-size:16px;font-weight:800;cursor:pointer;position:relative}.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--brand);font-size:21px}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:0;padding:0 0 18px;color:var(--muted);font-size:14px}
    .safety{background:#fff}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.safety-item{padding:23px;border-radius:17px;background:#f7fbff;border:1px solid #e0edf8}.safety-item b{display:block;font-size:17px;margin:10px 0 7px}.safety-item p{color:var(--muted);font-size:14px;margin:0}.icon{font-size:23px}
    .brand-story{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.brand-story img{height:370px;width:100%;object-fit:cover;border-radius:22px}.brand-story p{color:var(--muted);margin:13px 0;font-size:15px}
    .cta-section{padding:82px 0}.cta-box{background:linear-gradient(115deg,#0d3566,#1769d6);border-radius:25px;color:#fff;padding:54px 58px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;overflow:hidden;position:relative}.cta-box:after{content:"♠";position:absolute;right:18%;top:-80px;font-size:250px;color:rgba(255,255,255,.06)}.cta-box h2{position:relative;font-size:36px;line-height:1.2;margin:0 0 12px}.cta-box p{position:relative;color:#d6e8ff;margin:0;max-width:670px}.cta-box form{position:relative;display:flex;gap:9px}.cta-box input{min-width:220px;border:0;border-radius:11px;padding:13px 14px;color:var(--ink)}.cta-box button{border:0;background:#ffd17a;color:#493000}.cta-box button:hover{background:#ffe1a1}
    footer{background:#09192f;color:#b9cae0;padding:52px 0 86px}.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:50px;padding-bottom:31px;border-bottom:1px solid rgba(200,222,247,.16)}.footer-top .logo{color:#fff}.footer-top p{font-size:14px;max-width:390px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.footer-links a{font-size:14px;color:#c6d7eb;padding:5px 0}.footer-links a:hover{color:#fff}.footer-bottom{padding-top:25px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}.footer-records{display:flex;gap:16px;flex-wrap:wrap}.mobile-tabs{display:none}
    @media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px;font-size:13px}.hero-inner{grid-template-columns:1fr .72fr}.section{padding:65px 0}.guide-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){body{padding-bottom:66px}.container{width:min(100% - 28px,680px)}.nav-wrap{height:65px}.desktop-nav,.nav-action{display:none}.nav-wrap{justify-content:space-between}.hero{min-height:600px;background-position:60% center}.hero-inner{display:block;padding:80px 0 55px}.poster-card{display:none}.hero-stats{gap:16px}.hero-stats strong{font-size:21px}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid div:nth-child(2){border-right:0}.split,.progress-layout,.data-grid,.quote-layout,.faq-layout,.brand-story,.news-layout,.live-box{grid-template-columns:1fr;gap:28px}.image-frame img{height:320px}.float-note{right:10px}.matrix,.safety-grid{grid-template-columns:1fr 1fr}.cta-box{padding:36px 27px;grid-template-columns:1fr}.cta-box form{flex-direction:column}.cta-box input{min-width:0}.footer-top{grid-template-columns:1fr;gap:27px}.mobile-tabs{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:70;bottom:0;left:0;right:0;height:66px;background:rgba(255,255,255,.96);border-top:1px solid #dbe8f5;backdrop-filter:blur(12px)}.mobile-tabs a{font-size:10px;color:#687a92;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.mobile-tabs b{font-size:18px;line-height:1}.mobile-tabs a.active{color:var(--brand);font-weight:800}}
    @media(max-width:520px){h1{font-size:39px}.section{padding:52px 0}.section-title{font-size:28px}.hero p{font-size:15px}.hero-buttons .btn{width:100%}.matrix,.safety-grid,.kpis,.guide-grid{grid-template-columns:1fr}.feature-grid div{padding:16px 13px}.chart-card{padding:23px}.news-list{padding:6px 18px}.live-content{padding:25px}.cta-box h2{font-size:29px}.footer-links{grid-template-columns:1fr 1fr}.image-frame img{height:270px}}

/* roulang page: category3 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:78px 0}.section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}.section-lead{font-size:16px;color:var(--muted);max-width:730px;margin:0}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}.btn-primary:hover{background:var(--brand2);transform:translateY(-2px)}.btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}.btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}.nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}.logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}.desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}.desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}.nav-action{font-size:14px;padding:10px 14px}
    .hero{position:relative;overflow:hidden;color:#fff;background:#09192f;background-image:linear-gradient(90deg,rgba(4,15,32,.92),rgba(5,18,39,.58)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}.hero-inner{min-height:510px;display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center;padding:80px 0}.hero h1{font-size:clamp(38px,5.5vw,68px);line-height:1.13;letter-spacing:-.055em;margin:18px 0}.hero p{font-size:17px;color:#d5e4f7;max-width:650px}.hot-badge{display:inline-flex;gap:8px;background:rgba(234,170,37,.18);border:1px solid rgba(255,211,126,.48);color:#ffe5af;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:700}.hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.hero .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}.hero .btn-light:hover{background:#fff;color:var(--ink)}
    .quick-form{background:rgba(255,255,255,.97);color:var(--ink);padding:28px;border-radius:24px;box-shadow:0 24px 60px rgba(0,0,0,.25)}.quick-form h2{font-size:22px;margin:0 0 5px}.quick-form p{font-size:13px;color:var(--muted);margin:0 0 20px}.form-row{display:flex;gap:9px;margin-top:12px}.quick-form input{width:100%;padding:12px 13px;border:1px solid #d8e5f3;border-radius:10px;color:var(--ink);background:#fbfdff}.form-note{font-size:12px;color:#78879a;margin-top:14px}.success{display:none;color:var(--green);font-size:13px;margin-top:12px}
    .metrics{background:#09192f;color:#d4e3f6}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{padding:24px 20px;border-right:1px solid rgba(191,215,244,.16)}.metric strong{font-size:30px;color:#fff;display:block;line-height:1.2}.metric span{font-size:13px;color:#9fb5d2}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.image-frame img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.check-list{padding:0;margin:22px 0;list-style:none}.check-list li{padding:11px 0 11px 29px;border-bottom:1px dashed #d9e7f4;position:relative;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:0;top:14px;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}.matrix-card{background:#fff;border:1px solid #dfebf8;border-radius:18px;padding:25px;box-shadow:0 6px 16px rgba(26,79,140,.04);transition:.25s}.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bbd8f5}.matrix-card .num{color:#8dbce8;font-weight:900;font-size:34px;line-height:1}.matrix-card h3{font-size:18px;margin:12px 0 7px}.matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .dark-panel{background:#102c50;color:#fff;border-radius:24px;padding:38px}.dark-panel p{color:#b6cce6}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px}.step{padding:20px;border-left:1px solid rgba(255,255,255,.18)}.step:first-child{border-left:0}.step b{display:block;font-size:17px;color:#fff}.step em{font-style:normal;color:#74b5f5;font-weight:800;font-size:13px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px}.compare-card.good{border-top:4px solid var(--green)}.compare-card h3{margin:0 0 12px}.compare-card ul{padding-left:20px;color:var(--muted);margin:0}.scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin-top:30px}.scenario{background:#fff;border-radius:18px;border:1px solid var(--line);padding:25px;box-shadow:0 6px 20px rgba(20,61,112,.05)}.scenario.featured{background:var(--sky);border-color:#c7e1fb}.scenario h3{margin-top:0}
    .faq-wrap{max-width:850px;margin-top:28px}.faq-wrap details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;margin:10px 0}.faq-wrap summary{font-weight:700;cursor:pointer}.faq-wrap details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{background:linear-gradient(110deg,#eaf5ff,#fff);border:1px solid #d8eafa;border-radius:25px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:30px;margin:0 0 8px}.cta p{color:var(--muted);margin:0}
    footer{background:#09192f;color:#b6cce6;padding:54px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:40px}.footer-top .logo{color:#fff}.footer-top p{max-width:420px;font-size:14px}.footer-links{display:flex;gap:55px}.footer-links div{display:flex;flex-direction:column;gap:9px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.footer-records{display:flex;gap:18px;flex-wrap:wrap}
    .mobile-tabs{display:none}
    @media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 6px;font-size:13px}.nav-wrap{gap:12px}.hero-inner{gap:28px}.step-grid{grid-template-columns:repeat(2,1fr)}.step:nth-child(3){border-left:0}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.section{padding:58px 0}.desktop-nav{display:none}.nav-action{margin-left:auto}.hero-inner,.split,.compare,.scenario-grid{grid-template-columns:1fr}.hero-inner{padding:65px 0}.hero h1{font-size:43px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric{border-bottom:1px solid rgba(191,215,244,.16)}.matrix{grid-template-columns:1fr 1fr}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:28px;gap:30px}.footer-bottom>div{margin-top:10px}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.97);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 5px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -8px 25px rgba(20,61,112,.1)}.mobile-tabs a{font-size:11px;color:#708098;text-align:center}.mobile-tabs a span{display:block;font-size:18px;line-height:20px}.mobile-tabs a.active{color:var(--brand);font-weight:700}}
    @media(max-width:520px){.nav-wrap{height:68px}.logo{font-size:20px}.nav-action{padding:9px 10px;font-size:12px}.matrix{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr}.step{border-left:0;border-top:1px solid rgba(255,255,255,.18)}.step:first-child{border-top:0}.quick-form{padding:22px}.form-row{flex-direction:column}.cta{padding:28px;display:block}.cta .btn{margin-top:20px;width:100%}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.footer-records{display:block}.footer-records span{display:block;margin-top:6px}}

/* roulang page: category2 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}.section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}.section-lead{font-size:16px;color:var(--muted);max-width:760px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}.btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}.btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}.btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}.nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}.logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}.desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}.desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}.nav-action{font-size:14px;padding:10px 14px}
.inner-hero{position:relative;overflow:hidden;background:linear-gradient(105deg,#0b2143 0%,#123e78 58%,rgba(13,56,108,.62)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}.inner-hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(107,190,255,.25),transparent 30%)}.inner-wrap{position:relative;z-index:1;padding:72px 0 66px;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}.profile-row{display:flex;align-items:center;gap:15px;margin-bottom:24px}.profile-avatar{width:57px;height:57px;border-radius:18px;background:#fff;color:var(--brand);display:grid;place-items:center;font-size:28px;font-weight:900;box-shadow:0 10px 25px rgba(0,0,0,.2)}.profile-row small{display:block;color:#b9d5f4;font-size:12px}.profile-row b{display:block;font-size:16px}.inner-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.13;letter-spacing:-.06em;margin:0 0 19px}.inner-hero p{max-width:670px;color:#d5e7fb;font-size:17px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-actions .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}.hero-actions .btn-light:hover{background:#fff;color:var(--ink)}.hero-panel{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.22);border-radius:24px;padding:23px;backdrop-filter:blur(12px);box-shadow:0 24px 60px rgba(2,19,47,.28)}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.panel-head b{font-size:15px}.live-dot{font-size:12px;color:#d7ecff}.live-dot:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#74e7c7;margin-right:6px}.rank-mini{display:grid;grid-template-columns:42px 1fr auto;gap:11px;align-items:center;padding:10px 0;border-top:1px solid rgba(255,255,255,.14)}.rank-mini:first-of-type{border-top:0}.rank-no{color:#91c6ff;font-weight:900}.rank-mini span{font-size:13px;color:#e7f2ff}.rank-mini em{font-style:normal;color:#b7d4f1;font-size:11px}
.metrics{margin-top:-1px;background:#0b2143;color:#fff}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{padding:24px 27px;border-right:1px solid rgba(210,233,255,.16)}.metric:last-child{border:0}.metric strong{display:block;font-size:26px;line-height:1.15;color:#fff}.metric span{font-size:12px;color:#aec6e3}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.image-frame{position:relative}.image-frame img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.image-note{position:absolute;bottom:-18px;right:-14px;background:#fff;border:1px solid var(--line);padding:15px 18px;border-radius:15px;box-shadow:var(--shadow);font-size:13px;font-weight:700}.image-note b{color:var(--brand);font-size:21px;margin-right:5px}.check-list{padding:0;margin:23px 0;list-style:none}.check-list li{padding:10px 0 10px 29px;border-bottom:1px dashed #d9e7f4;position:relative;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:0;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;top:13px}
.rank-section{background:var(--sky)}.rank-layout{display:grid;grid-template-columns:280px 1fr;gap:24px;margin-top:33px}.rank-aside{background:#102c50;color:#fff;border-radius:22px;padding:27px;height:max-content;position:sticky;top:96px}.rank-aside h3{margin:0 0 10px;font-size:22px}.rank-aside p{margin:0;color:#bfd2e8;font-size:14px}.rank-aside ul{list-style:none;padding:0;margin:22px 0 0}.rank-aside li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:13px;color:#e3effc}.rank-aside li:last-child{border:0}.rank-list{display:grid;gap:13px}.rank-card{display:grid;grid-template-columns:76px 1fr auto;align-items:center;gap:20px;background:#fff;border:1px solid #dceafa;border-radius:18px;padding:17px 21px;box-shadow:0 6px 18px rgba(24,74,127,.045);transition:.25s}.rank-card:hover{transform:translateX(5px);border-color:#a9cef2;box-shadow:var(--shadow)}.rank-badge{width:55px;height:55px;border-radius:16px;background:#eaf4ff;color:var(--brand);display:grid;place-items:center;font-size:21px;font-weight:900}.rank-card:nth-child(1) .rank-badge{background:#fff2d8;color:#bb7100}.rank-card h3{margin:0;font-size:19px}.rank-card p{margin:3px 0 0;color:var(--muted);font-size:14px}.rank-tag{font-size:12px;color:#34648e;background:#f0f7fe;padding:6px 10px;border-radius:999px;white-space:nowrap}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 7px 20px rgba(25,76,132,.05)}.compare-card h3{font-size:21px;margin:0 0 11px}.compare-card p{font-size:14px;color:var(--muted);margin:0 0 19px}.compare-line{display:flex;justify-content:space-between;gap:13px;padding:12px 0;border-top:1px solid #e8f0f8;font-size:14px}.compare-line b{color:var(--brand)}.compare-line span{text-align:right;color:#536987}.notice{margin-top:28px;background:#fffaf0;border:1px solid #f3dca8;border-radius:18px;padding:19px 21px;display:flex;gap:13px;align-items:flex-start}.notice i{font-style:normal;display:grid;place-items:center;flex:none;width:27px;height:27px;border-radius:50%;background:#eaaa25;color:#fff;font-weight:900}.notice p{margin:0;color:#74551c;font-size:14px}
.scene-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}.scene-panel{padding:34px;border-radius:24px;background:#102c50;color:#fff}.scene-panel p{color:#c4d8ed;margin:0}.scene-points{margin-top:22px}.scene-point{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.15)}.scene-point b{display:grid;place-items:center;width:29px;height:29px;flex:none;border-radius:10px;background:#1c5fa9;color:#fff;font-size:13px}.scene-point span{font-size:14px;color:#e6f1fd}.scene-image img{width:100%;height:100%;min-height:365px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:31px}.flow-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 19px;min-height:182px}.flow-card:after{content:"";position:absolute;right:-10px;top:50%;width:20px;height:1px;background:#a9c9e9}.flow-card:last-child:after{display:none}.flow-card b{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#eaf4ff;color:var(--brand);font-size:14px}.flow-card h3{font-size:17px;margin:14px 0 5px}.flow-card p{font-size:13px;color:var(--muted);margin:0}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-copy p{color:var(--muted)}.faq-list{display:grid;gap:12px}details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 19px;transition:.2s}details[open]{border-color:#b7d5f4;box-shadow:0 8px 22px rgba(21,73,128,.06)}summary{cursor:pointer;list-style:none;padding:17px 28px 17px 0;font-weight:800;position:relative;font-size:15px}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;top:13px;font-size:24px;font-weight:400;color:var(--brand)}details[open] summary:after{content:"−"}details p{margin:0;padding:0 0 17px;color:var(--muted);font-size:14px}
.cta-section{padding:0 0 82px}.cta-box{background:linear-gradient(120deg,#1263cc,#0d3976);border-radius:26px;padding:45px 50px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;overflow:hidden;position:relative}.cta-box:after{content:"♠";position:absolute;right:45px;bottom:-65px;font-size:190px;color:rgba(255,255,255,.09);font-family:serif}.cta-box h2{font-size:31px;line-height:1.3;margin:0 0 8px;position:relative;z-index:1}.cta-box p{margin:0;color:#d7e9ff;position:relative;z-index:1}.cta-box .btn{position:relative;z-index:1;white-space:nowrap}
footer{background:#09192f;color:#d1e1f4;padding:61px 0 24px}.footer-top{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;padding-bottom:42px;border-bottom:1px solid rgba(199,221,244,.16)}footer .logo{color:#fff}footer .logo i{background:#3181e8}footer p{max-width:430px;font-size:14px;color:#a8bfd9;margin:15px 0 0}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links a{display:block;color:#c9dbef;font-size:14px;margin:7px 0;transition:.2s}.footer-links a:hover{color:#fff;transform:translateX(3px)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:20px;font-size:12px;color:#90aac7}.footer-records{display:flex;gap:15px;flex-wrap:wrap}
.mobile-tabs{display:none}
@media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px;font-size:13px}.nav-action{display:none}.inner-wrap{grid-template-columns:1fr .78fr}.rank-layout{grid-template-columns:225px 1fr}.footer-top{gap:35px}}
@media(max-width:768px){body{padding-bottom:70px}.container{width:min(100% - 30px,1180px)}.section{padding:59px 0}header{position:relative}.nav-wrap{height:66px}.desktop-nav{display:none}.inner-wrap{padding:52px 0;grid-template-columns:1fr}.hero-panel{max-width:540px}.metrics-grid{grid-template-columns:1fr 1fr}.metric{border-bottom:1px solid rgba(210,233,255,.16)}.intro-grid,.scene-grid,.faq-wrap{grid-template-columns:1fr;gap:30px}.rank-layout{grid-template-columns:1fr}.rank-aside{position:relative;top:0}.rank-aside ul{display:grid;grid-template-columns:repeat(3,1fr);gap:0 15px}.compare-grid{grid-template-columns:1fr}.flow-grid{grid-template-columns:1fr 1fr}.flow-card:after{display:none}.footer-top{grid-template-columns:1fr}.footer-bottom{align-items:flex-start;flex-direction:column}.mobile-tabs{position:fixed;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;background:rgba(255,255,255,.96);backdrop-filter:blur(15px);border-top:1px solid #dce9f5;padding:7px 6px calc(7px + env(safe-area-inset-bottom));box-shadow:0 -8px 25px rgba(16,47,83,.08)}.mobile-tabs a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#61718a;font-size:10px;padding:3px 1px;border-radius:9px}.mobile-tabs i{font-style:normal;font-size:17px;line-height:1.2}.mobile-tabs a.active{color:var(--brand);font-weight:800}.mobile-tabs a.active i{background:#e7f2ff;border-radius:8px;padding:1px 8px}}
@media(max-width:520px){.section-title{font-size:29px}.inner-hero h1{font-size:39px}.inner-hero p{font-size:15px}.rank-card{grid-template-columns:50px 1fr;padding:15px}.rank-card .rank-tag{display:none}.rank-badge{width:45px;height:45px;font-size:17px}.rank-card h3{font-size:17px}.rank-card p{font-size:13px}.rank-aside ul{grid-template-columns:1fr 1fr}.image-frame img{height:310px}.image-note{right:8px;bottom:-12px}.flow-grid{grid-template-columns:1fr}.cta-box{padding:32px 25px;display:block}.cta-box h2{font-size:27px}.cta-box .btn{margin-top:22px}.footer-links{grid-template-columns:1fr 1fr}.metric{padding:18px}.hero-actions .btn{width:100%}}

/* roulang page: category1 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:82px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}
    .section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}
    .section-lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}
    .btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}
    .btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}
    .btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:25px}
    .logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}
    .logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}
    .desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}
    .desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}
    .nav-action{font-size:14px;padding:10px 14px}
    .page-banner{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,21,45,.9),rgba(9,42,82,.6)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .banner-inner{min-height:350px;display:flex;align-items:center;padding:70px 0}
    .banner-copy{max-width:760px}
    .banner-copy h1{font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-.05em;margin:17px 0}
    .banner-copy p{font-size:17px;color:#d5e5f7;max-width:680px;margin:0}
    .crumb{font-size:13px;color:#a9c4e4}
    .crumb a{color:#fff}
    .metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .metric{background:#fff;padding:24px}
    .metric strong{display:block;font-size:30px;color:var(--brand);line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
    .image-frame img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .check-list{padding:0;margin:23px 0;list-style:none}
    .check-list li{padding:10px 0 10px 29px;border-bottom:1px dashed #d9e7f4;position:relative;font-size:15px}
    .check-list li:before{content:"✓";position:absolute;left:0;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;top:13px}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
    .matrix-card{background:#fff;border:1px solid #dfebf8;border-radius:18px;padding:25px;box-shadow:0 6px 16px rgba(26,79,140,.04);transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bbd8f5}
    .matrix-card .num{color:#8dbce8;font-weight:900;font-size:34px;line-height:1}
    .matrix-card h3{font-weight:800;font-size:18px;margin:12px 0 7px}
    .matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .dark-section{background:#0d2749;color:#fff}
    .dark-section .section-lead{color:#b8cde6}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:30px}
    .flow-item{padding:24px;border-top:2px solid #3d83d6;position:relative}
    .flow-item:not(:last-child):after{content:"→";position:absolute;right:-11px;top:16px;color:#77b4f3;font-size:24px;z-index:2}
    .flow-item b{display:block;color:#fff;font-size:18px;margin-bottom:8px}
    .flow-item p{font-size:14px;color:#b9cde5;margin:0}
    .rule-table{background:#fff;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
    .rule-line{display:grid;grid-template-columns:150px 1fr 130px;gap:20px;padding:18px 24px;border-bottom:1px solid #edf2f8;align-items:center}
    .rule-line:last-child{border:0}
    .rule-line strong{color:var(--brand)}
    .rule-line small{color:var(--muted)}
    .tag{display:inline-flex;padding:5px 10px;border-radius:8px;background:#edf6ff;color:var(--brand);font-size:12px;font-weight:700}
    .compare{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
    .notice-card{padding:28px;background:#fff8e8;border:1px solid #f5dda7;border-radius:20px}
    .notice-card h3{margin:0 0 10px;font-size:21px}
    .notice-card p{color:#725c2c;margin:0;font-size:14px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;box-shadow:0 5px 16px rgba(26,79,140,.04)}
    summary{font-weight:800;cursor:pointer;list-style:none}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";float:right;color:var(--brand);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{background:linear-gradient(110deg,#1769d6,#0e4da8);color:#fff;border-radius:26px;padding:46px 52px;display:flex;justify-content:space-between;align-items:center;gap:28px;box-shadow:0 20px 45px rgba(23,105,214,.25)}
    .cta h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 10px}
    .cta p{color:#d9eaff;margin:0;max-width:650px}
    footer{background:#09192f;color:#c8d8eb;padding:55px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(196,218,244,.16)}
    footer .logo{color:#fff}
    footer .logo i{background:#2c7fe5}
    footer p{max-width:420px;color:#9fb5d2;font-size:14px}
    .footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:48px}
    .footer-links div{display:flex;flex-direction:column;gap:8px}
    .footer-links a{font-size:13px;color:#a9bdd5;transition:.2s}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#89a2c0}
    .footer-records{display:flex;gap:20px;flex-wrap:wrap}
    .bottom-tabs{display:none}
    @media(max-width:1024px){.desktop-nav a{padding:8px 6px;font-size:13px}.nav-wrap{gap:12px}.split,.compare{gap:26px}.container{width:min(100% - 32px,900px)}}
    @media(max-width:768px){.nav-wrap{height:68px}.desktop-nav{overflow-x:auto;justify-content:flex-start}.desktop-nav a{flex:none}.nav-action{display:none}.banner-inner{min-height:390px;padding:55px 0}.metric-row{grid-template-columns:repeat(2,1fr)}.split,.compare{grid-template-columns:1fr}.image-frame{order:-1}.matrix{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr;gap:18px}.flow-item:not(:last-child):after{display:none}.faq-list{grid-template-columns:1fr}.cta{padding:34px 26px;display:block}.cta .btn{margin-top:22px}.footer-top{display:block}.footer-links{margin-top:30px;gap:25px}.footer-bottom{display:block}.footer-records{margin-top:12px}.bottom-tabs{position:fixed;display:flex;bottom:0;left:0;right:0;height:62px;background:rgba(255,255,255,.96);backdrop-filter:blur(15px);border-top:1px solid var(--line);z-index:60;justify-content:space-around}.bottom-tabs a{font-size:11px;color:#62748d;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.bottom-tabs a b{font-size:18px;line-height:1}.bottom-tabs a.active{color:var(--brand);font-weight:700}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.desktop-nav{display:none}.banner-copy h1{font-size:38px}.section{padding:58px 0}.metric{padding:18px}.metric strong{font-size:25px}.matrix{grid-template-columns:1fr}.rule-line{grid-template-columns:1fr;gap:5px;padding:16px 18px}.rule-line small{display:block}.flow{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:span 2}}

/* roulang page: category5 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1);--deep:#09192f}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}
    a{text-decoration:none;color:inherit} img{max-width:100%;display:block} button,input{font:inherit} button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:84px 0}.section-soft{background:var(--sky)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}
    .section-title{font-size:clamp(28px,3.2vw,42px);line-height:1.28;letter-spacing:-.04em;font-weight:850;margin:14px 0}.section-lead{font-size:16px;color:var(--muted);max-width:760px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}.btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}
    .btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}
    .logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}
    .desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}
    .desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}.nav-action{font-size:14px;padding:10px 14px}
    .inner-hero{position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(4,19,44,.93),rgba(9,39,81,.76)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .inner-hero:after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,rgba(4,19,44,.7))}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;padding:76px 0}
    .hero-mark{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(207,229,255,.34);background:rgba(255,255,255,.1);border-radius:999px;color:#d9ebff;font-size:13px;font-weight:700}
    .inner-hero h1{font-size:clamp(37px,5vw,61px);line-height:1.12;letter-spacing:-.06em;margin:18px 0}.inner-hero p{font-size:17px;color:#d3e3f5;max-width:660px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.inner-hero .btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32)}.inner-hero .btn-light:hover{background:#fff;color:var(--ink)}
    .group-card{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:25px;box-shadow:0 25px 55px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.55)}
    .group-card h2{font-size:20px;margin:0 0 8px}.group-card p{color:var(--muted);font-size:14px;line-height:1.7}.group-count{display:flex;align-items:end;gap:8px;padding:17px 0;border-bottom:1px solid var(--line)}.group-count strong{font-size:44px;line-height:1;color:var(--brand)}.group-count span{font-size:13px;color:var(--muted);padding-bottom:4px}
    .member-dots{display:flex;margin:18px 0}.member-dots span{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;border:2px solid #fff;background:#d7eaff;color:var(--brand);font-size:12px;font-weight:800;margin-right:-7px}.member-dots span:nth-child(2){background:#fff0ce;color:#a86400}.member-dots span:nth-child(3){background:#d9f4e9;color:var(--green)}.member-dots span:nth-child(4){background:#eee2ff;color:#7044b0}
    .split-title{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .metric-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.metric-main,.metric-card,.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .metric-main{padding:31px;background:linear-gradient(135deg,#fff 0%,#eef7ff 100%);position:relative;overflow:hidden}.metric-main:after{content:"♠";position:absolute;right:30px;bottom:-32px;font-size:150px;color:rgba(23,105,214,.07);font-weight:900}
    .metric-main h3{font-size:25px;margin:0 0 12px}.metric-main p{color:var(--muted);max-width:560px;margin:0}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}.metric-row div{background:#fff;border:1px solid #dceafa;border-radius:15px;padding:15px}.metric-row b{display:block;color:var(--brand);font-size:25px;line-height:1.1}.metric-row span{font-size:12px;color:var(--muted)}
    .metric-stack{display:grid;gap:16px}.metric-card{padding:21px}.metric-card b{font-size:15px}.metric-card p{margin:7px 0 0;font-size:13px;color:var(--muted)}
    .service-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:52px;align-items:start}.sticky-copy{position:sticky;top:105px}.etiquette-list{display:grid;gap:14px}.etiquette-item{display:grid;grid-template-columns:55px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;transition:.25s}.etiquette-item:hover{transform:translateX(5px);border-color:#aacef3;box-shadow:var(--shadow)}.number{width:43px;height:43px;border-radius:13px;background:#eaf4ff;color:var(--brand);display:grid;place-items:center;font-weight:900}.etiquette-item h3{font-size:17px;margin:0 0 5px}.etiquette-item p{font-size:14px;color:var(--muted);margin:0}
    .image-copy{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.image-copy img{height:410px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.check-list{list-style:none;padding:0;margin:20px 0}.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px dashed #d6e5f5;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:0;top:13px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;background:var(--green);color:#fff;font-size:11px}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-card{padding:29px;border-radius:21px;border:1px solid var(--line);background:#fff}.compare-card.good{background:#112f57;color:#fff;border-color:#112f57}.compare-card h3{font-size:21px;margin:0 0 15px}.compare-card p{font-size:14px;color:var(--muted);margin:0}.compare-card.good p{color:#c8dbf3}.compare-list{list-style:none;padding:0;margin:18px 0 0}.compare-list li{padding:9px 0;border-bottom:1px solid rgba(180,209,241,.22);font-size:14px}.compare-list li:last-child{border:0}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.flow-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;position:relative;min-height:208px}.flow-card span{display:block;width:31px;height:31px;border-radius:50%;background:var(--brand);color:#fff;text-align:center;line-height:31px;font-size:13px;font-weight:800}.flow-card h3{font-size:17px;margin:17px 0 6px}.flow-card p{color:var(--muted);font-size:13px;margin:0}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}.quote-card blockquote{font-size:21px;font-weight:750;line-height:1.65;margin:0}.quote-card footer{margin-top:16px;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:45px}.faq-grid details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 20px;margin-bottom:12px;transition:.2s}.faq-grid details[open]{border-color:#b8d7f5;box-shadow:0 8px 20px rgba(26,79,140,.07)}.faq-grid summary{padding:17px 28px 17px 0;cursor:pointer;list-style:none;font-weight:750;position:relative}.faq-grid summary:after{content:"＋";position:absolute;right:0;color:var(--brand);font-size:21px}.faq-grid details[open] summary:after{content:"－"}.faq-grid details p{font-size:14px;color:var(--muted);padding:0 0 18px;margin:0}
    .contact-box{background:linear-gradient(112deg,#102b52,#1769d6);border-radius:27px;padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:35px;color:#fff;box-shadow:0 22px 48px rgba(18,68,137,.25)}.contact-box h2{font-size:clamp(27px,3vw,39px);line-height:1.28;margin:11px 0}.contact-box p{color:#d7e8fa;margin:0}.contact-form{background:#fff;padding:18px;border-radius:17px;display:grid;grid-template-columns:1fr auto;gap:10px;align-self:center}.contact-form input{min-width:0;border:0;outline:0;padding:11px;color:var(--ink);background:transparent}.form-note{font-size:12px;color:#bcd5ef;margin-top:13px}
    footer{background:#0b1d37;color:#b9cae0;padding:60px 0 27px;margin-top:84px}.footer-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;padding-bottom:42px}.footer-top .logo{color:#fff}.footer-top p{max-width:410px;font-size:14px;margin:16px 0 0}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links div{display:flex;flex-direction:column;gap:10px}.footer-links a{font-size:14px;transition:.2s}.footer-links a:hover{color:#fff;transform:translateX(3px)}.footer-bottom{border-top:1px solid rgba(182,209,239,.17);padding-top:23px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px}.footer-records{display:flex;gap:16px;flex-wrap:wrap}
    .mobile-tabs{display:none}
    @media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px;font-size:13px}.nav-action{display:none}.hero-grid,.service-layout,.faq-grid{gap:30px}.flow-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){body{padding-bottom:72px}.container{width:min(100% - 30px,1180px)}.section{padding:62px 0}.desktop-nav{display:none}.nav-wrap{height:67px;justify-content:space-between}.inner-hero{min-height:auto}.hero-grid,.metric-grid,.image-copy,.compare-wrap,.faq-grid,.contact-box{grid-template-columns:1fr}.hero-grid{padding:65px 0 58px;gap:28px}.inner-hero h1{font-size:39px}.group-card{max-width:500px}.split-title{display:block}.split-title .section-lead{margin-top:12px}.sticky-copy{position:static}.metric-row{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr;gap:35px}.footer-bottom{align-items:flex-start;flex-direction:column}.mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid #dbe9f7;padding:8px 5px calc(8px + env(safe-area-inset-bottom))}.mobile-tabs a{text-align:center;font-size:10px;color:#62748d;padding:2px 0}.mobile-tabs i{font-style:normal;display:block;font-size:17px;line-height:1.3}.mobile-tabs a.active{color:var(--brand);font-weight:800}}
    @media(max-width:520px){.section-title{font-size:29px}.inner-hero h1{font-size:35px}.metric-row,.flow-grid{grid-template-columns:1fr}.image-copy img{height:285px}.contact-box{padding:31px 23px}.contact-form{grid-template-columns:1fr}.contact-form .btn{width:100%}.footer-links{grid-template-columns:1fr 1fr}.group-card{padding:20px}.hero-actions .btn{width:100%}}

/* roulang page: category6 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}.section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}.section-lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}.btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}.btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}.btn:focus,a:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}.nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}.logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}.desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}.desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}.nav-action{font-size:14px;padding:10px 14px}
    .hero{position:relative;min-height:550px;display:flex;align-items:center;overflow:hidden;background:#09192f;color:#fff;background-image:linear-gradient(90deg,rgba(4,15,32,.92) 8%,rgba(5,18,39,.72) 53%,rgba(5,18,39,.32)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center}.hero:after{content:"";position:absolute;inset:auto 0 0;height:130px;background:linear-gradient(transparent,#09192f)}.hero-inner{position:relative;z-index:1;padding:78px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.055em;margin:18px 0}.hero p{font-size:17px;line-height:1.9;color:#d5e4f7;max-width:650px;margin:0}.hot-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(234,170,37,.18);border:1px solid rgba(255,211,126,.48);color:#ffe5af;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:700}.hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}.coupon{background:#fff;color:var(--ink);border-radius:24px;padding:28px;box-shadow:0 25px 55px rgba(0,0,0,.3);transform:rotate(1.5deg);position:relative}.coupon:before,.coupon:after{content:"";position:absolute;top:50%;width:20px;height:20px;background:#09192f;border-radius:50%;transform:translateY(-50%)}.coupon:before{left:-10px}.coupon:after{right:-10px}.coupon-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px dashed #c9d9ea;padding-bottom:20px}.coupon-price{font-size:48px;color:var(--brand);font-weight:900;line-height:1}.coupon small{color:var(--muted)}.coupon h2{font-size:25px;margin:22px 0 4px}.coupon p{font-size:14px;color:var(--muted);margin:0 0 20px}.coupon button{width:100%;border:0}.coupon-note{font-size:12px;color:#8796a9;text-align:center;margin-top:12px}
    .metrics{background:#09192f;color:#d4e3f6}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(191,215,244,.18)}.metric{padding:25px 22px;border-right:1px solid rgba(191,215,244,.18)}.metric strong{display:block;color:#fff;font-size:28px}.metric span{font-size:13px;color:#a5bad4}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.image-frame img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.check-list{padding:0;margin:23px 0;list-style:none}.check-list li{padding:11px 0 11px 29px;border-bottom:1px dashed #d9e7f4;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;top:16px}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.matrix-card,.info-card{background:#fff;border:1px solid #dfebf8;border-radius:18px;padding:25px;box-shadow:0 6px 16px rgba(26,79,140,.04);transition:.25s}.matrix-card:hover,.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bbd8f5}.matrix-card .num{color:#8dbce8;font-weight:900;font-size:34px;line-height:1}.matrix-card h3,.info-card h3{font-size:18px;margin:12px 0 7px}.matrix-card p,.info-card p{font-size:14px;color:var(--muted);margin:0}.dark-panel{background:#102c50;color:#fff;border-radius:24px;padding:40px}.dark-panel p{color:#b6cce6}.process{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.step{display:flex;gap:16px;padding:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:15px}.step b{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:#2b82e5}.step h3{margin:0 0 5px;font-size:16px}.step p{margin:0;font-size:13px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}.compare>div{padding:28px;border-radius:18px;border:1px solid var(--line);background:#fff}.compare .good{border-top:4px solid var(--green)}.compare .avoid{border-top:4px solid #eaaa25}.compare h3{margin:0 0 15px}.compare li{margin:9px 0;color:var(--muted)}
    .faq-list{max-width:850px;margin:28px auto 0}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:12px 0;padding:18px 22px;box-shadow:0 5px 18px rgba(20,61,112,.04)}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{color:var(--muted);margin:12px 0 0;font-size:14px}.cta{background:#eaf4ff;border:1px solid #cfe3f8;border-radius:24px;padding:45px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:clamp(25px,3vw,37px);margin:0 0 8px}.cta p{color:var(--muted);margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    footer{background:#09192f;color:#d4e3f6;padding:58px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:45px}.footer-top .logo{color:#fff}.footer-top p{max-width:400px;color:#a7bad3;font-size:14px}.footer-links{display:flex;gap:55px}.footer-links div{display:flex;flex-direction:column;gap:8px}.footer-links a{font-size:13px;color:#b7c9df}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(191,215,244,.17);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#91a8c5}.footer-records{display:flex;gap:18px;flex-wrap:wrap}
    .mobile-tabs{display:none}
    @media(max-width:1024px){.desktop-nav a{padding:8px 6px;font-size:13px}.nav-wrap{gap:12px}.hero-inner{gap:28px}.container{width:min(100% - 32px,1180px)}}
    @media(max-width:768px){.section{padding:60px 0}.desktop-nav,.nav-action{display:none}.nav-wrap{height:66px}.hero-inner,.split{grid-template-columns:1fr}.hero{min-height:auto}.hero-inner{padding:65px 0 78px}.hero h1{font-size:43px}.coupon{max-width:470px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid rgba(191,215,244,.18)}.matrix{grid-template-columns:1fr 1fr}.process,.compare{grid-template-columns:1fr}.image-frame img{height:300px}.footer-top{display:block}.footer-links{margin-top:25px;gap:28px}.footer-bottom{display:block}.footer-records{margin-top:12px}.mobile-tabs{position:fixed;display:flex;bottom:0;left:0;right:0;height:64px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);z-index:60;justify-content:space-around}.mobile-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#60728a;min-width:58px}.mobile-tabs a b{font-size:19px;line-height:1.1}.mobile-tabs a.active{color:var(--brand);font-weight:700}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.hero h1{font-size:37px}.hero p{font-size:15px}.matrix{grid-template-columns:1fr}.dark-panel,.cta{padding:28px 22px}.cta{display:block}.cta-actions{margin-top:22px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.coupon{padding:22px}.coupon-price{font-size:40px}}

/* roulang page: category4 */
:root{--ink:#10213f;--muted:#5d6d85;--brand:#1769d6;--brand2:#0e4da8;--sky:#edf6ff;--line:#dfeaf7;--white:#fff;--gold:#eaaa25;--green:#12866f;--danger:#ca4d55;--radius:22px;--shadow:0 14px 40px rgba(20,61,112,.1)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;letter-spacing:.01em}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:82px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #cfe2fa;background:#f4f9ff;color:var(--brand);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px #fff0d0}
    .section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;font-weight:800;margin:14px 0}
    .section-lead{font-size:16px;color:var(--muted);max-width:760px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;transition:.25s ease;border:1px solid transparent}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(23,105,214,.23)}
    .btn-primary:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 15px 28px rgba(23,105,214,.29)}
    .btn-light{background:#fff;color:var(--ink);border-color:#dce8f6}
    .btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
    .btn:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(23,105,214,.28);outline-offset:3px}
    header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(218,232,247,.8)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:25px}
    .logo{font-size:23px;font-weight:900;color:var(--ink);letter-spacing:-.06em;white-space:nowrap}
    .logo i{display:inline-grid;place-items:center;width:25px;height:25px;background:var(--brand);color:#fff;border-radius:8px;font-style:normal;font-size:14px;margin-right:6px}
    .desktop-nav{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .desktop-nav a{font-size:14px;padding:9px 11px;color:#42536c;border-radius:9px;white-space:nowrap;transition:.2s}
    .desktop-nav a:hover,.desktop-nav a.active{background:#eaf4ff;color:var(--brand);font-weight:700}
    .nav-action{font-size:14px;padding:10px 14px}
    .inner-hero{position:relative;overflow:hidden;color:#fff;background:#0b2445;background-image:linear-gradient(90deg,rgba(5,22,47,.93),rgba(7,35,70,.73)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .inner-hero:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(153,207,255,.22);border-radius:50%;right:6%;top:-180px}
    .inner-hero .container{position:relative;padding:76px 0 82px}
    .crumb{display:flex;gap:9px;align-items:center;color:#c6d9ef;font-size:13px;margin-bottom:22px}
    .crumb span{opacity:.55}
    .inner-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.055em;max-width:720px;margin:0 0 20px;font-weight:900}
    .inner-hero p{max-width:660px;color:#d1e2f7;font-size:17px;margin:0}
    .live-card{margin-top:36px;max-width:850px;background:rgba(255,255,255,.11);border:1px solid rgba(221,239,255,.28);border-radius:20px;padding:17px 20px;display:flex;align-items:center;gap:18px;backdrop-filter:blur(10px)}
    .live-dot{width:11px;height:11px;background:#ff6c67;border-radius:50%;box-shadow:0 0 0 6px rgba(255,108,103,.16);flex:none}
    .live-card strong{font-size:15px;display:block}
    .live-card small{color:#c5d9ef}
    .countdown{margin-left:auto;display:flex;gap:7px}
    .countdown b{background:rgba(4,18,40,.55);border:1px solid rgba(255,255,255,.13);border-radius:8px;min-width:42px;text-align:center;padding:5px 7px;font-size:14px}
    .overview-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:34px;align-items:center}
    .image-frame{position:relative}
    .image-frame img{height:445px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-label{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:0 12px 26px rgba(7,32,65,.18);font-size:13px;font-weight:700}
    .check-list{padding:0;margin:22px 0;list-style:none}
    .check-list li{padding:10px 0 10px 29px;border-bottom:1px dashed #d9e7f4;position:relative;font-size:15px}
    .check-list li:before{content:"✓";position:absolute;left:0;color:#fff;background:var(--green);font-size:11px;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;top:13px}
    .data-band{background:#102c50;color:#fff;padding:0}
    .data-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;padding:62px 0;align-items:center}
    .data-band .section-title{color:#fff}
    .data-band .section-lead{color:#bfd4eb}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric{padding:23px;background:rgba(255,255,255,.08);border:1px solid rgba(207,232,255,.15);border-radius:17px}
    .metric b{display:block;font-size:30px;line-height:1.15;color:#fff}
    .metric span{font-size:13px;color:#b8d2eb}
    .matrix-layout{display:grid;grid-template-columns:280px 1fr;gap:22px;margin-top:32px}
    .side-note{border-radius:20px;background:#eaf4ff;padding:26px;border:1px solid #d7e9fc}
    .side-note h3{font-size:20px;margin:0 0 10px}
    .side-note p{font-size:14px;color:#526783;margin:0}
    .matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
    .matrix-card{background:#fff;border:1px solid #dfebf8;border-radius:18px;padding:23px;box-shadow:0 6px 16px rgba(26,79,140,.04);transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bbd8f5}
    .matrix-card .num{color:#8dbce8;font-weight:900;font-size:30px;line-height:1}
    .matrix-card h3{font-weight:800;font-size:18px;margin:10px 0 6px}
    .matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;margin-top:30px}
    .scene-card{position:relative;min-height:278px;overflow:hidden;border-radius:22px;background:#17385f;color:#fff;padding:30px;display:flex;align-items:flex-end;box-shadow:var(--shadow)}
    .scene-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,20,43,.93),rgba(10,38,70,.12))}
    .scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
    .scene-card>div{position:relative;z-index:1}
    .scene-card h3{font-size:25px;margin:0 0 8px}
    .scene-card p{margin:0;color:#d4e5f7;font-size:14px;max-width:480px}
    .scene-list{display:grid;gap:14px}
    .scene-mini{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px 20px;transition:.2s}
    .scene-mini:hover{border-color:#b6d5f7;transform:translateX(4px)}
    .scene-mini b{display:block;font-size:16px}
    .scene-mini span{font-size:13px;color:var(--muted)}
    .flow-wrap{background:#fff;border-top:1px solid #e5eff9;border-bottom:1px solid #e5eff9}
    .flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
    .flow-item{position:relative;padding:22px;background:#f8fbff;border:1px solid #e0ecf8;border-radius:18px}
    .flow-item b{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-size:14px;margin-bottom:15px}
    .flow-item h3{font-size:17px;margin:0 0 7px}
    .flow-item p{font-size:13px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}
    .compare-card{border-radius:21px;padding:28px;border:1px solid var(--line)}
    .compare-card.good{background:#eff8f5;border-color:#cde8df}
    .compare-card.bad{background:#fff8f5;border-color:#f1ded6}
    .compare-card h3{margin:0 0 12px;font-size:21px}
    .compare-card ul{list-style:none;padding:0;margin:0}
    .compare-card li{font-size:14px;padding:9px 0;border-bottom:1px dashed rgba(91,119,145,.22)}
    .compare-card li:last-child{border:0}
    .good li:before{content:"✓";color:var(--green);font-weight:900;margin-right:9px}
    .bad li:before{content:"×";color:var(--danger);font-weight:900;margin-right:9px}
    .long-copy{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
    .long-copy .sticky-title{position:sticky;top:105px}
    .article-copy{font-size:16px;color:#40526c}
    .article-copy p{margin:0 0 18px}
    .article-copy h3{color:var(--ink);font-size:21px;margin:28px 0 10px}
    .reminder{margin-top:25px;background:#fff9eb;border-left:4px solid var(--gold);padding:17px 19px;border-radius:0 14px 14px 0;color:#705420;font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
    .faq-layout p{color:var(--muted)}
    details{background:#fff;border:1px solid #dfeaf7;border-radius:15px;padding:0 19px;margin-bottom:11px;transition:.2s}
    details[open]{border-color:#b9d8f7;box-shadow:0 9px 20px rgba(26,79,140,.06)}
    summary{cursor:pointer;padding:17px 28px 17px 0;font-weight:800;list-style:none;position:relative}
    summary:after{content:"+";position:absolute;right:0;color:var(--brand);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .cta-box{background:#1769d6;background-image:linear-gradient(120deg,#1769d6,#0e4da8);border-radius:26px;color:#fff;padding:47px 52px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;overflow:hidden;position:relative}
    .cta-box:after{content:"♠";position:absolute;right:5%;bottom:-65px;font-size:210px;color:rgba(255,255,255,.09);font-family:serif}
    .cta-box h2{font-size:clamp(27px,3.2vw,39px);line-height:1.25;margin:0 0 10px;position:relative}
    .cta-box p{margin:0;color:#dcecff;max-width:650px;position:relative}
    .cta-box .btn{position:relative;white-space:nowrap}
    footer{background:#09192f;color:#c5d5e9;padding:58px 0 28px}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;padding-bottom:40px;border-bottom:1px solid rgba(193,215,239,.16)}
    footer .logo{color:#fff}
    footer .logo i{background:#3181ee}
    .footer-top p{font-size:14px;max-width:420px;color:#a8bfda;margin:15px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .footer-links div{display:grid;align-content:start;gap:10px}
    .footer-links a{font-size:14px;color:#bdd0e6;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:23px;font-size:12px;color:#8ea6c3}
    .footer-records{display:flex;gap:14px;flex-wrap:wrap}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .desktop-nav{justify-content:flex-start;overflow:auto}
      .desktop-nav::-webkit-scrollbar{display:none}
      .nav-action{display:none}
      .matrix-layout,.faq-layout,.long-copy{grid-template-columns:1fr;gap:28px}
      .sticky-title{position:static!important}
      .flow-list{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,1180px)}
      .section{padding:58px 0}
      .nav-wrap{height:67px}
      .desktop-nav{display:none}
      .inner-hero .container{padding:55px 0 61px}
      .inner-hero h1{font-size:39px}
      .live-card{align-items:flex-start;flex-wrap:wrap;padding:15px}
      .countdown{margin-left:0}
      .overview-grid,.data-grid,.scene-grid,.compare,.footer-top{grid-template-columns:1fr}
      .image-frame img{height:320px}
      .matrix-grid{grid-template-columns:1fr}
      .data-grid{padding:50px 0}
      .cta-box{grid-template-columns:1fr;padding:36px 28px}
      .footer-links{grid-template-columns:repeat(2,1fr)}
      .footer-bottom{display:block}
      .footer-records{margin-top:9px}
      .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);bottom:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-top:1px solid #dbe9f7;box-shadow:0 -8px 24px rgba(19,58,104,.08);padding:7px 8px calc(7px + env(safe-area-inset-bottom))}
      .mobile-tabs a{text-align:center;font-size:11px;color:#667991;padding:4px 2px;border-radius:10px;line-height:1.3}
      .mobile-tabs b{display:block;font-size:17px;font-weight:400;line-height:1.15}
      .mobile-tabs a.active{background:#eaf4ff;color:var(--brand);font-weight:800}
      body{padding-bottom:72px}
    }
    @media(max-width:520px){
      .section-title{font-size:29px}
      .inner-hero h1{font-size:34px}
      .inner-hero p{font-size:15px}
      .metric-grid,.flow-list{grid-template-columns:1fr}
      .countdown b{min-width:38px;font-size:12px}
      .scene-card{min-height:240px;padding:23px}
      .footer-links{grid-template-columns:1fr 1fr}
    }