/* roulang page: index */
:root{
      --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
      --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
      --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
      --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--navy);color:#d7deec;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}
    .topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
    .mini-links{display:flex;gap:20px;color:#aeb8ca}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,10,22,.16)}
    .brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
    .header-actions{display:flex;align-items:center;gap:14px}
    .search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px}
    .search::placeholder{color:#8994a9}
    .channel-row{border-top:1px solid var(--line);overflow:auto}
    .channel-nav{display:flex;gap:7px;white-space:nowrap}
    .channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
    .channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
    .btn-primary:hover{background:#7890ff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:#fff;color:var(--navy)}
    .btn-light{background:#fff;color:var(--navy)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:76px 0 84px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.97) 15%,rgba(11,16,32,.75)),url("/assets/images/backpic/back-1.webp") center/cover;opacity:.9}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.18;letter-spacing:-.05em;margin:19px 0 22px;max-width:680px}
    .hero-copy{font-size:18px;line-height:2;color:#c5ccda;max-width:650px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:#aeb8ca;font-size:13px}
    .hero-meta strong{display:block;font-size:22px;color:#fff;line-height:1.3}
    .hero-panel{background:rgba(18,26,45,.88);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.24);backdrop-filter:blur(8px)}
    .panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:8px}
    .panel-head strong{font-size:18px}.live{color:var(--cyan);font-size:12px}
    .rank-row{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
    .rank-row:last-child{border:0}.rank-num{color:var(--gold);font-weight:800}.rank-name{color:#e5e9f2}.rank-note{font-size:12px;color:#8390a7}
    .rank-bar{height:5px;background:#27334d;border-radius:10px;margin-top:6px;overflow:hidden}.rank-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:10px}
    section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}.section-head p{max-width:600px;color:var(--sub);margin:0}
    .light-section{background:#fff}.dark-section{background:var(--navy);color:#fff}.dark-section .section-head p{color:#aeb8ca}
    .countdown{background:#141d33;color:#fff;padding:25px 0}.count-wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}.count-copy strong{font-size:21px}.count-copy p{margin:3px 0 0;color:#aeb8ca}.timer{display:flex;gap:10px}.time-box{min-width:68px;text-align:center;border:1px solid var(--line);background:rgba(255,255,255,.06);padding:9px;border-radius:12px}.time-box b{font-size:24px;display:block;line-height:1.2}.time-box small{color:#98a4b9}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{padding:29px;border:1px solid var(--lightline);border-radius:var(--radius);background:#fff;min-height:210px;transition:var(--ease)}.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d2ff}.feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#edf1ff;color:var(--blue);font-weight:900;font-size:19px}.feature h3{font-size:20px;margin:21px 0 8px}.feature p{color:var(--sub);margin:0}
    .story-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}.story-image{height:390px;border-radius:25px;overflow:hidden;position:relative}.story-image img{width:100%;height:100%;object-fit:cover}.story-image:after{content:"亿万28";position:absolute;bottom:22px;left:24px;color:#fff;font-size:28px;font-weight:800}.story-copy h2{font-size:35px;line-height:1.35;margin:12px 0 18px}.story-copy p{color:var(--sub);font-size:16px}.check-list{padding:0;margin:24px 0;list-style:none}.check-list li{margin:12px 0;padding-left:28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}
    .highlight-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}.highlight{min-height:245px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;padding:25px;background:#202d4b}.highlight:first-child{grid-row:span 2;min-height:508px}.highlight img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.48}.highlight:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,13,28,.93),transparent 75%)}.highlight-content{position:absolute;z-index:1;left:25px;right:25px;bottom:22px}.highlight h3{margin:7px 0;font-size:22px}.highlight p{margin:0;color:#ccd3e0;font-size:13px}
    .compare{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.plan{background:#fff;border:1px solid var(--lightline);border-radius:22px;padding:29px;position:relative}.plan.recommend{border:2px solid var(--blue);box-shadow:var(--shadow)}.recommend-tag{position:absolute;right:20px;top:20px;background:#edf1ff;color:var(--blue);padding:4px 10px;border-radius:30px;font-size:12px;font-weight:800}.plan h3{font-size:23px;margin:0 0 8px}.plan p{color:var(--sub);min-height:58px}.plan strong{display:block;font-size:28px;margin:18px 0}.plan ul{list-style:none;padding:0;color:var(--sub);border-top:1px solid var(--lightline);padding-top:15px}.plan li{margin:9px 0}.plan li:before{content:"·";color:var(--blue);font-size:24px;margin-right:9px}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}.data-item{background:#fff;padding:27px}.data-item b{font-size:33px;display:block;color:var(--navy)}.data-item span{color:var(--sub);font-size:13px}.trend{height:7px;background:#eef1f6;margin-top:15px;border-radius:10px}.trend i{display:block;height:100%;background:var(--blue);border-radius:10px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:25px;border-top:2px solid #dce3f0;position:relative}.step:before{content:attr(data-no);position:absolute;top:-18px;left:24px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800}.step h3{margin-top:23px;font-size:18px}.step p{color:var(--sub);font-size:14px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote{padding:28px;background:#fff;border:1px solid var(--lightline);border-radius:20px}.quote p{font-size:16px;color:#364158}.quote footer{margin-top:20px;color:var(--sub);font-size:13px}
    .updates{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}.update-list{background:#fff;border-radius:20px;border:1px solid var(--lightline);overflow:hidden}.update{display:grid;grid-template-columns:90px 1fr 85px;gap:18px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--lightline)}.update:last-child{border:0}.update time{color:var(--blue);font-size:13px}.update h3{font-size:16px;margin:0}.update p{font-size:13px;color:var(--sub);margin:2px 0}.read{font-size:13px;color:var(--blue);font-weight:700}.side-news{padding:27px;border-radius:20px;background:var(--navy);color:#fff}.side-news h3{margin-top:0}.side-news li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}.side-news ul{padding:0;list-style:none}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"+";color:var(--blue);font-size:21px}.faq[open] summary:after{content:"−"}.faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
    .cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.cta:after{content:"28";position:absolute;right:8%;top:-45px;font-size:190px;font-weight:900;color:rgba(255,255,255,.035)}.cta h2{font-size:34px;margin:0 0 9px;position:relative;z-index:1}.cta p{color:#b3bed0;margin:0;position:relative;z-index:1}
    .footer{background:#080d19;color:#b0bacb;padding:55px 0 95px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer .brand{color:#fff}.footer h4{color:#fff;margin:4px 0 13px}.footer a{display:block;color:#9ca8bc;margin:7px 0;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-desc{font-size:13px;max-width:300px}.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;font-size:12px;color:#7d899d}.float-cta{position:fixed;right:22px;bottom:22px;z-index:30;background:var(--blue);color:#fff;border-radius:50px;padding:13px 20px;box-shadow:0 12px 30px rgba(47,68,170,.35);font-weight:800}.float-cta:hover{transform:translateY(-3px);background:#7890ff}
    @media(max-width:900px){.hero-grid,.story-grid,.updates{grid-template-columns:1fr;gap:35px}.hero{padding:55px 0 65px}.highlight-grid{grid-template-columns:1fr 1fr}.highlight:first-child{grid-row:auto;min-height:300px}.data-band{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:650px){.container{width:min(100% - 28px,1180px)}.topbar{display:none}.brand-row{height:68px}.brand{font-size:22px}.search{display:none}.channel-nav a{padding:10px 13px}.hero-grid{display:block}.hero-panel{margin-top:35px}h1{font-size:40px}.hero-copy{font-size:16px}.section-head{display:block}.section-head h2,.story-copy h2{font-size:28px}.feature-grid,.compare,.quote-grid,.faq-grid,.process{grid-template-columns:1fr}.highlight-grid{grid-template-columns:1fr}.highlight:first-child{min-height:300px}.data-band{grid-template-columns:1fr 1fr}.data-item{padding:19px}.data-item b{font-size:26px}.update{grid-template-columns:70px 1fr}.read{display:none}.cta{padding:33px 25px;display:block}.cta h2{font-size:27px;margin-bottom:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.float-cta{right:14px;bottom:14px}}

/* roulang page: category3 */
:root{
 --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
 --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
 --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
 --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{max-width:100%;display:block}
button,input{font:inherit}
button:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:30;box-shadow:0 8px 24px rgba(6,10,22,.16)}
.brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
.header-actions{display:flex;align-items:center;gap:14px}
.search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px;transition:var(--ease)}
.search:focus{width:205px;background:rgba(255,255,255,.1)}
.search::placeholder{color:#8994a9}
.channel-row{border-top:1px solid var(--line);overflow:auto}
.channel-nav{display:flex;gap:7px;white-space:nowrap}
.channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
.channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
.btn-primary:hover{background:#7890ff;transform:translateY(-2px);color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.23);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--cyan);transform:translateY(-2px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}
.section-head p{max-width:550px;color:var(--sub);margin:0}
.dark-section{background:var(--navy);color:#fff}
.dark-section .section-head p{color:#aeb8ca}
.activity-hero{position:relative;overflow:hidden;min-height:520px;background:var(--navy);color:#fff;padding:70px 0}
.activity-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.96) 16%,rgba(11,16,32,.75) 57%,rgba(11,16,32,.48)),url("/assets/images/backpic/back-3.webp") center/cover}
.activity-hero .container{position:relative}
.creator-head{display:flex;align-items:center;gap:16px;margin-bottom:30px}
.creator-avatar{width:64px;height:64px;border-radius:22px;padding:3px;background:linear-gradient(135deg,var(--cyan),var(--blue),var(--gold))}
.creator-avatar span{width:100%;height:100%;display:grid;place-items:center;border-radius:19px;background:var(--navy2);font-size:23px;font-weight:900;color:#fff}
.creator-info strong{display:block;font-size:18px;line-height:1.25}
.creator-info small{color:#b6c0d3}
.creator-follow{margin-left:8px;font-size:13px;padding:8px 14px}
.hero-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}
.hero-layout h1{font-size:55px;line-height:1.16;letter-spacing:-.06em;margin:0 0 22px;max-width:700px}
.hero-copy{font-size:17px;line-height:2;color:#c4ccdb;max-width:650px;margin:0}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap}
.stat-chip{padding:10px 14px;border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:14px;color:#c7cfdd;font-size:13px}
.stat-chip b{color:#fff;font-size:16px;margin-right:4px}
.hero-spotlight{background:rgba(18,26,45,.83);border:1px solid rgba(255,255,255,.15);border-radius:25px;padding:25px;backdrop-filter:blur(10px);box-shadow:0 24px 60px rgba(0,0,0,.25)}
.spotlight-image{height:172px;border-radius:17px;overflow:hidden;position:relative;margin-bottom:19px}
.spotlight-image img{width:100%;height:100%;object-fit:cover}
.spotlight-image:after{content:"进行中";position:absolute;left:14px;top:13px;border-radius:20px;padding:4px 10px;background:var(--cyan);color:#102033;font-size:12px;font-weight:900}
.hero-spotlight h2{font-size:22px;line-height:1.4;margin:0 0 8px}
.hero-spotlight p{margin:0;color:#b4bed0;font-size:14px}
.spotlight-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:18px;padding-top:16px;font-size:13px;color:#c3ccda}
.notice-band{background:#edf1ff;border-bottom:1px solid #dce3fa;padding:14px 0}
.notice-inner{display:flex;align-items:center;gap:13px;color:#425378;font-size:14px}
.notice-icon{background:var(--blue);color:#fff;width:27px;height:27px;border-radius:9px;display:grid;place-items:center;font-weight:900;flex:none}
.featured-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}
.featured-main{border-radius:24px;overflow:hidden;position:relative;min-height:400px;background:var(--navy);color:#fff}
.featured-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.54}
.featured-main:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,30,.08),rgba(8,14,30,.93))}
.featured-copy{position:absolute;z-index:1;left:34px;right:34px;bottom:31px}
.status{display:inline-block;background:var(--gold);color:#342609;font-size:12px;font-weight:900;border-radius:20px;padding:4px 10px;margin-bottom:14px}
.featured-copy h3{font-size:30px;line-height:1.25;margin:0 0 10px}
.featured-copy p{color:#d8dfeb;margin:0 0 18px}
.side-activities{display:grid;gap:20px}
.activity-card{background:#fff;border:1px solid var(--lightline);border-radius:20px;padding:22px;display:flex;gap:18px;align-items:center;transition:var(--ease)}
.activity-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd4ff}
.activity-thumb{width:102px;height:102px;flex:none;overflow:hidden;border-radius:15px}
.activity-thumb img{width:100%;height:100%;object-fit:cover}
.activity-card h3{font-size:18px;line-height:1.4;margin:0 0 7px}
.activity-card p{font-size:13px;color:var(--sub);margin:0}
.card-date{display:block;color:var(--blue);font-size:12px;font-weight:800;margin-top:9px}
.value-list{border-top:1px solid var(--lightline)}
.value-row{display:grid;grid-template-columns:62px 1fr 1.45fr;gap:28px;align-items:center;padding:27px 0;border-bottom:1px solid var(--lightline)}
.value-num{font-size:28px;font-weight:900;color:#c5cddd;letter-spacing:-.05em}
.value-row h3{font-size:19px;margin:0}
.value-row p{color:var(--sub);margin:0}
.value-tag{font-size:12px;color:#40527a;background:#eef1f8;border-radius:30px;padding:5px 10px;margin-top:8px;display:inline-block}
.scene-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:#151f37;border-radius:25px;overflow:hidden}
.scene-image{min-height:405px}
.scene-image img{width:100%;height:100%;object-fit:cover}
.scene-content{padding:52px;color:#fff}
.scene-content h2{font-size:35px;line-height:1.3;margin:10px 0 18px}
.scene-content>p{color:#bdc7d9;margin:0}
.scene-list{margin:28px 0 0;padding:0;list-style:none}
.scene-list li{border-top:1px solid rgba(255,255,255,.14);padding:15px 0 15px 33px;position:relative;color:#d8deea}
.scene-list li:before{content:"✓";position:absolute;left:2px;color:var(--cyan);font-weight:900}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.process-card{background:#fff;border:1px solid var(--lightline);border-radius:20px;padding:24px;position:relative;min-height:210px}
.process-no{font-size:13px;color:var(--blue);font-weight:900;letter-spacing:.1em}
.process-card h3{font-size:18px;margin:30px 0 8px}
.process-card p{color:var(--sub);font-size:14px;margin:0}
.process-card:after{content:"→";position:absolute;right:-14px;top:50%;z-index:1;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}
.process-card:last-child:after{display:none}
.trust-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:center}
.trust-copy h2{font-size:35px;line-height:1.3;margin:10px 0 17px}
.trust-copy p{color:#b4bfd1;margin:0}
.trust-points{margin-top:26px;display:grid;gap:13px}
.trust-points div{padding:14px 16px;border:1px solid var(--line);border-radius:13px;color:#d6deeb}
.trust-points b{color:var(--cyan);margin-right:9px}
.feedback-board{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feedback{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:17px;padding:20px}
.feedback p{font-size:15px;line-height:1.75;color:#e3e9f3;margin:0}
.feedback footer{color:#91a0ba;font-size:13px;margin-top:15px}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rule-card{background:#fff;border:1px solid var(--lightline);border-radius:20px;padding:26px}
.rule-card b{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#edf1ff;color:var(--blue)}
.rule-card h3{font-size:19px;margin:17px 0 8px}
.rule-card p{color:var(--sub);margin:0;font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}
.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--blue);font-size:21px;line-height:1}
.faq[open] summary:after{content:"−"}
.faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
.cta-wrap{padding-top:10px}
.cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.cta:after{content:"28";position:absolute;right:35px;top:-50px;color:rgba(97,214,208,.09);font-size:220px;font-weight:900;line-height:1}
.cta h2{font-size:32px;line-height:1.3;margin:0 0 10px;position:relative}
.cta p{color:#b9c4d5;margin:0;position:relative}
.cta .btn{position:relative;flex:none}
footer{background:#080d1a;color:#aab5c7;padding:52px 0 86px;margin-top:82px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:30px;padding-bottom:31px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{color:#fff;font-size:21px;font-weight:900;margin-bottom:12px}
.footer-intro{max-width:360px;margin:0;color:#96a2b7;font-size:14px}
.footer-col h3{font-size:14px;color:#fff;margin:0 0 12px}
.footer-col a{display:block;color:#aab5c7;font-size:14px;padding:3px 0}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:22px;font-size:13px}
.footer-records{display:flex;gap:14px;flex-wrap:wrap}
.fixed-cta{position:fixed;left:50%;bottom:17px;transform:translateX(-50%);z-index:35;width:min(670px,calc(100% - 30px));padding:10px 11px 10px 19px;background:rgba(11,16,32,.94);border:1px solid rgba(255,255,255,.16);box-shadow:0 16px 44px rgba(0,0,0,.32);backdrop-filter:blur(12px);border-radius:17px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:15px}
.fixed-cta span{font-size:14px;color:#d7dfed}
.fixed-cta small{display:block;color:#92a0b7;font-size:12px}
.fixed-cta .btn{padding:10px 17px;font-size:14px}
@media(max-width:1024px){
 .hero-layout{gap:38px}.hero-layout h1{font-size:46px}.process-grid{grid-template-columns:repeat(2,1fr)}.process-card:nth-child(2):after{display:none}.trust-grid{gap:30px}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,1180px)}.brand-row{height:66px}.brand{font-size:21px}.brand-mark{width:34px;height:34px;border-radius:11px}.header-actions .search{display:none}.header-actions .btn{padding:9px 13px;font-size:13px}.channel-nav a{padding:11px 14px}
 section{padding:62px 0}.activity-hero{padding:54px 0 63px;min-height:auto}.hero-layout,.featured-grid,.scene-panel,.trust-grid{grid-template-columns:1fr}.hero-layout{gap:28px}.hero-layout h1{font-size:39px}.hero-spotlight{max-width:560px}.section-head{display:block;margin-bottom:26px}.section-head h2{font-size:29px}.section-head p{margin-top:13px}.value-row{grid-template-columns:44px 1fr;gap:14px}.value-row p{grid-column:2}.scene-image{min-height:270px}.scene-content{padding:34px 28px}.scene-content h2,.trust-copy h2{font-size:29px}.feedback-board,.faq-grid{grid-template-columns:1fr}.rule-grid{grid-template-columns:1fr}.cta{padding:37px 30px;display:block}.cta h2{font-size:28px}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 body{font-size:14px}.creator-head{gap:11px}.creator-follow{display:none}.hero-layout h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.hero-stats{display:grid;grid-template-columns:1fr 1fr}.stat-chip{padding:9px 10px}.featured-main{min-height:340px}.featured-copy{left:23px;right:23px;bottom:23px}.featured-copy h3{font-size:25px}.activity-card{padding:15px;gap:13px}.activity-thumb{width:80px;height:80px}.value-row{padding:21px 0}.process-grid{grid-template-columns:1fr}.process-card{min-height:auto}.process-card:after{display:none}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-records{margin-top:10px}.fixed-cta{bottom:9px}.fixed-cta span{font-size:13px}.fixed-cta small{display:none}
}

/* roulang page: category1 */
:root{
      --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
      --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
      --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
      --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--navy);color:#d7deec;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}
    .topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,10,22,.16)}
    .brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
    .header-actions{display:flex;align-items:center;gap:14px}
    .search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px}
    .search::placeholder{color:#8994a9}
    .channel-row{border-top:1px solid var(--line);overflow:auto}
    .channel-nav{display:flex;gap:7px;white-space:nowrap}
    .channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
    .channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
    .btn-primary:hover{background:#7890ff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:#fff;color:var(--navy)}
    .btn-light{background:#fff;color:var(--navy)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:65px 0 70px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.96) 18%,rgba(11,16,32,.7)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
    .hero h1{font-size:clamp(38px,5vw,64px);line-height:1.14;letter-spacing:-.055em;margin:18px 0 20px}
    .hero-copy{font-size:18px;line-height:2;color:#c5ccda;max-width:650px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:#aeb8ca;font-size:13px}
    .hero-meta strong{display:block;font-size:22px;color:#fff;line-height:1.3}
    .hero-panel{background:rgba(18,26,45,.88);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:15px;box-shadow:0 24px 60px rgba(0,0,0,.24);backdrop-filter:blur(8px)}
    .hero-panel img{height:205px;width:100%;object-fit:cover;border-radius:16px;opacity:.88}
    .panel-note{padding:17px 8px 5px;color:#dbe2ef}
    .panel-note strong{display:block;font-size:20px;margin-bottom:5px}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}
    .section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}
    .section-head p{max-width:600px;color:var(--sub);margin:0}
    .light-section{background:#fff}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head p{color:#aeb8ca}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature{padding:29px;border:1px solid var(--lightline);border-radius:var(--radius);background:#fff;min-height:215px;transition:var(--ease)}
    .feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d2ff}
    .feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#edf1ff;color:var(--blue);font-weight:900;font-size:19px}
    .feature h3{font-size:20px;margin:21px 0 8px}
    .feature p{color:var(--sub);margin:0}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:center}
    .intro-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
    .intro-image img{width:100%;height:330px;object-fit:cover}
    .intro-copy h2{font-size:36px;line-height:1.35;margin:12px 0 17px}
    .intro-copy p{color:var(--sub);font-size:16px}
    .check-list{padding:0;margin:22px 0;list-style:none}
    .check-list li{margin:12px 0;padding-left:28px;position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .scenario-main,.scenario-side{position:relative;overflow:hidden;border-radius:var(--radius);min-height:285px;color:#fff;padding:31px;background:var(--navy)}
    .scenario-main:before,.scenario-side:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.94),rgba(11,16,32,.35)),url("/assets/images/coverpic/cover-2.webp") center/cover}
    .scenario-side:before{background:linear-gradient(90deg,rgba(11,16,32,.92),rgba(11,16,32,.4)),url("/assets/images/coverpic/cover-3.webp") center/cover}
    .scenario-content{position:relative;max-width:540px}
    .scenario-content h3{font-size:27px;margin:20px 0 10px}
    .scenario-content p{color:#d0d7e5}
    .tag{display:inline-block;border:1px solid rgba(255,255,255,.23);border-radius:20px;padding:4px 11px;color:var(--cyan);font-size:12px}
    .process{background:#f0f3f9}
    .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #ccd5e5}
    .step{padding:25px 20px 8px;border-right:1px solid #dbe2ed;position:relative}
    .step:last-child{border-right:0}
    .step:before{content:"";position:absolute;top:-7px;left:20px;width:13px;height:13px;background:var(--blue);border:3px solid #f0f3f9;border-radius:50%}
    .step b{color:var(--blue);font-size:13px;letter-spacing:.1em}
    .step h3{font-size:19px;margin:10px 0 5px}
    .step p{color:var(--sub);font-size:14px;margin:0}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}
    .data-item{background:#fff;padding:27px}
    .data-item b{font-size:33px;display:block;color:var(--navy)}
    .data-item span{color:var(--sub);font-size:13px}
    .trust-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:start}
    .trust-box{background:#182543;border-radius:22px;padding:31px;color:#fff}
    .trust-box h3{font-size:25px;margin:0 0 12px}
    .trust-box p{color:#c4cede}
    .trust-list{list-style:none;margin:20px 0 0;padding:0}
    .trust-list li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#dce3ee}
    .trust-list li:last-child{border:0}
    .notice{background:#fff;border:1px solid var(--lightline);border-radius:22px;padding:28px}
    .notice h3{margin:0 0 14px;font-size:23px}
    .notice p{color:var(--sub)}
    .notice .mini-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--lightline);padding:13px 0}
    .mini-row span{color:var(--sub)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--blue);font-size:21px}
    .faq[open] summary:after{content:"−"}
    .faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
    .cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;line-height:1.35;margin:0 0 9px}
    .cta p{color:#c6cede;margin:0;max-width:650px}
    footer{background:var(--navy);color:#aeb8ca;padding:34px 0 28px;font-size:13px}
    .footer-grid{display:flex;justify-content:space-between;gap:25px;align-items:flex-start}
    .footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:8px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid var(--line);margin-top:24px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
    .mobile-tip{display:none}
    @media(max-width:1024px){
      .hero-grid,.intro-grid,.trust-grid{gap:30px}
      .hero{padding:55px 0 65px}
      .section-head h2,.intro-copy h2{font-size:30px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,620px)}
      .topbar{display:none}
      .brand-row{height:68px}
      .brand{font-size:21px}.brand-mark{width:34px;height:34px}
      .header-actions .search{display:none}
      .header-actions .btn{padding:9px 13px;font-size:13px}
      .channel-nav a{padding:10px 13px;font-size:13px}
      .hero-grid,.intro-grid,.scenario-grid,.trust-grid{grid-template-columns:1fr}
      .hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      section{padding:62px 0}
      .feature-grid,.faq-grid{grid-template-columns:1fr}
      .process-line{grid-template-columns:1fr 1fr;gap:12px;border-top:0}
      .step{border:1px solid var(--lightline);border-radius:15px;background:#fff;padding:20px}
      .step:before{display:none}
      .data-band{grid-template-columns:1fr 1fr}
      .cta{padding:34px 25px;display:block}
      .cta .btn{margin-top:22px}
      .footer-grid{display:block}.footer-links{justify-content:flex-start;margin-top:20px}
    }
    @media(max-width:520px){
      .hero{padding:45px 0 52px}.hero h1{font-size:36px}
      .hero-actions .btn{width:100%}
      .hero-panel img{height:170px}
      .section-head{display:block}.section-head h2{font-size:27px}
      .section-head p{margin-top:12px}
      .intro-image img{height:240px}
      .process-line,.data-band{grid-template-columns:1fr}
      .data-item{padding:20px}
      .cta h2{font-size:27px}
    }

/* roulang page: category2 */
:root{
      --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
      --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
      --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
      --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,10,22,.16)}
    .brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
    .header-actions{display:flex;align-items:center;gap:14px}
    .search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px}
    .search::placeholder{color:#8994a9}
    .channel-row{border-top:1px solid var(--line);overflow:auto}
    .channel-nav{display:flex;gap:7px;white-space:nowrap}
    .channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
    .channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
    .btn-primary:hover{background:#7890ff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:#fff;color:var(--navy)}
    .btn-light{background:#fff;color:var(--navy)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:76px 0 84px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.97) 15%,rgba(11,16,32,.74)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 20px}
    .hero-copy{font-size:18px;line-height:2;color:#c5ccda;max-width:650px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:#aeb8ca;font-size:13px}
    .hero-meta strong{display:block;font-size:22px;color:#fff;line-height:1.3}
    .hero-panel{background:rgba(18,26,45,.88);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.24);backdrop-filter:blur(8px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:8px}
    .panel-top strong{font-size:20px}.status{color:var(--cyan);font-size:13px}
    .device-row{display:flex;align-items:center;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
    .device-icon{width:45px;height:45px;border-radius:14px;background:rgba(97,214,208,.13);color:var(--cyan);display:grid;place-items:center;font-size:20px}
    .device-row small{display:block;color:var(--muted)}
    .choice-list{display:flex;gap:9px;margin-top:20px;flex-wrap:wrap}
    .choice{border:1px solid var(--line);border-radius:10px;padding:7px 13px;color:#cbd3e1;font-size:13px}
    .choice.selected{background:var(--blue);border-color:var(--blue);color:#fff}
    section{padding:82px 0}
    .light-section{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}
    .section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}
    .section-head p{max-width:600px;color:var(--sub);margin:0}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature{padding:29px;border:1px solid var(--lightline);border-radius:var(--radius);background:#fff;min-height:220px;transition:var(--ease)}
    .feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d2ff}
    .feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#edf1ff;color:var(--blue);font-weight:900;font-size:19px}
    .feature h3{font-size:20px;margin:21px 0 8px}.feature p{color:var(--sub);margin:0}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}
    .data-item{background:#fff;padding:27px}.data-item b{font-size:33px;display:block;color:var(--navy)}.data-item span{color:var(--sub);font-size:13px}
    .story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
    .story-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
    .story-image img{width:100%;height:390px;object-fit:cover}
    .story-copy h2{font-size:34px;line-height:1.35;margin:14px 0}
    .story-copy p{color:var(--sub)}
    .check-list{padding:0;margin:24px 0;list-style:none}.check-list li{margin:12px 0;padding-left:28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .dark-section{background:var(--navy);color:#fff}.dark-section .section-head p{color:#aeb8ca}
    .dark-section .feature{background:var(--navy2);border-color:var(--line)}.dark-section .feature p{color:#aeb8ca}
    .dark-section .feature-icon{background:rgba(97,214,208,.12);color:var(--cyan)}
    .steps{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--lightline)}
    .step{display:grid;grid-template-columns:62px 1fr;gap:20px;padding:27px 24px;border-bottom:1px solid var(--lightline)}
    .step:nth-child(odd){border-right:1px solid var(--lightline)}
    .step-no{font-size:28px;color:var(--blue);font-weight:800}.step h3{margin:0 0 5px;font-size:19px}.step p{margin:0;color:var(--sub)}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{background:#fff;border:1px solid var(--lightline);border-radius:18px;padding:25px;box-shadow:0 8px 24px rgba(18,28,55,.04)}
    .quote p{margin:0;color:var(--text);font-size:16px}.quote footer{margin-top:20px;color:var(--sub);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--blue);font-size:21px}.faq[open] summary:after{content:"−"}.faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
    .cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;line-height:1.3;margin:0 0 10px}.cta p{color:#b9c3d5;margin:0;max-width:650px}
    .site-footer{background:#080d19;color:#aeb8ca;padding:38px 0 88px;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a:hover{color:var(--cyan)}.copyright{margin-top:25px;padding-top:20px;border-top:1px solid var(--line);color:#8490a5}
    .fixed-bar{position:fixed;bottom:0;left:0;right:0;z-index:30;background:rgba(11,16,32,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);color:#fff;padding:10px 0}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}.fixed-inner span{font-size:14px}
    @media(max-width:900px){.hero-grid,.story-grid{grid-template-columns:1fr;gap:35px}.feature-grid,.quote-grid{grid-template-columns:1fr 1fr}.data-band{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:620px){.container{width:min(100% - 28px,1180px)}.brand-row{height:68px}.brand{font-size:21px}.header-actions .search{display:none}.header-actions .btn{padding:9px 13px;font-size:13px}.channel-nav a{padding:10px 12px;font-size:13px}.hero{padding:55px 0 62px}h1{font-size:40px}.hero-copy{font-size:16px}.section-head{display:block}.section-head h2,.story-copy h2{font-size:28px}.feature-grid,.quote-grid,.faq-grid{grid-template-columns:1fr}.data-band{grid-template-columns:1fr 1fr}.steps{display:block}.step:nth-child(odd){border-right:0}.story-image img{height:270px}.cta{padding:32px 24px;display:block}.cta .btn{margin-top:22px}.footer-grid{display:block}.footer-links{margin-top:20px}.fixed-inner span{font-size:12px}.fixed-inner .btn{padding:9px 13px;font-size:13px}}

/* roulang page: category6 */
:root{
      --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
      --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
      --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
      --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--navy);color:#d7deec;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}
    .topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,10,22,.16)}
    .brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
    .header-actions{display:flex;align-items:center;gap:14px}
    .search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px}
    .search::placeholder{color:#8994a9}
    .channel-row{border-top:1px solid var(--line);overflow:auto}
    .channel-nav{display:flex;gap:7px;white-space:nowrap}
    .channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
    .channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
    .btn-primary:hover{background:#7890ff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:#fff;color:var(--navy)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--blue);transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:74px 0 82px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.98) 18%,rgba(11,16,32,.7)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:68px;align-items:center}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.14;letter-spacing:-.055em;margin:18px 0 22px}
    .hero-copy{font-size:18px;line-height:2;color:#c5ccda;max-width:640px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
    .hero-panel{background:rgba(18,26,45,.88);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:27px;box-shadow:0 24px 60px rgba(0,0,0,.24);backdrop-filter:blur(8px)}
    .panel-title{font-size:20px;font-weight:800;margin:0 0 20px}
    .progress-label{display:flex;justify-content:space-between;color:#bac4d5;font-size:13px;margin-bottom:8px}
    .progress{height:9px;background:rgba(255,255,255,.12);border-radius:20px;overflow:hidden;margin-bottom:23px}
    .progress span{display:block;width:78%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:20px}
    .quick-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
    .quick-row:last-child{border-bottom:0}
    .quick-icon{width:36px;height:36px;border-radius:11px;background:rgba(97,214,208,.12);color:var(--cyan);display:grid;place-items:center;font-weight:900}
    .quick-row small{display:block;color:#aeb8ca}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}
    .section-head p{max-width:600px;color:var(--sub);margin:0}
    .light-section{background:#fff}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head p{color:#aeb8ca}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}
    .intro-copy{font-size:17px;color:var(--sub);line-height:2}
    .image-card{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .image-card img{width:100%;height:330px;object-fit:cover}
    .image-caption{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;font-weight:700;font-size:18px;text-shadow:0 2px 12px #000}
    .question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .question-card{background:#fff;border:1px solid var(--lightline);border-radius:var(--radius);padding:27px;min-height:220px;transition:var(--ease)}
    .question-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d2ff}
    .number{color:var(--blue);font-weight:900;font-size:14px;letter-spacing:.1em}
    .question-card h3{font-size:20px;margin:15px 0 8px}
    .question-card p{color:var(--sub);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:28px 24px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{font-size:38px;color:var(--cyan);font-weight:900;line-height:1}
    .step h3{font-size:18px;margin:18px 0 8px}
    .step p{color:#aeb8ca;font-size:14px;margin:0}
    .scenario-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:stretch}
    .scenario-image img{height:100%;min-height:350px;width:100%;object-fit:cover;border-radius:22px}
    .scenario-list{display:grid;gap:13px}
    .scenario-item{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:19px 22px;display:flex;gap:15px}
    .scenario-item b{display:block;margin-bottom:3px}
    .scenario-item span{color:var(--sub);font-size:14px}
    .dot{width:10px;height:10px;background:var(--blue);border-radius:50%;margin-top:10px;flex:0 0 auto;box-shadow:0 0 0 6px #edf1ff}
    .trust-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}
    .trust-item{background:#fff;padding:26px}
    .trust-item strong{font-size:30px;color:var(--navy);display:block}
    .trust-item span{font-size:13px;color:var(--sub)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--blue);font-size:21px}
    .faq[open] summary:after{content:"−"}
    .faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
    .support{background:#edf1ff}
    .support-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .support-card{background:#fff;border-radius:20px;padding:27px;border:1px solid #dce3fa}
    .support-card h3{margin:0 0 9px;font-size:21px}
    .support-card p{color:var(--sub);margin:0 0 18px}
    .cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin:0 0 9px;font-size:32px}
    .cta p{color:#b9c3d3;margin:0}
    footer{background:var(--navy);color:#aeb8ca;padding:45px 0 30px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px;padding-bottom:30px;border-bottom:1px solid var(--line)}
    .footer-brand{font-size:23px;color:#fff;font-weight:800;margin-bottom:12px}
    footer p{font-size:13px;margin:5px 0;color:#8f9bb0}
    footer h4{color:#fff;margin:0 0 13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
    .fixed-bar{position:fixed;bottom:18px;right:20px;z-index:15;background:rgba(11,16,32,.94);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:9px 11px 9px 17px;color:#fff;box-shadow:0 14px 35px rgba(0,0,0,.2);display:flex;align-items:center;gap:15px;font-size:13px}
    @media(max-width:1024px){.hero-grid,.intro-grid,.scenario-grid{gap:30px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.header-actions .search{display:none}.hero{padding:55px 0 65px}.hero-grid,.intro-grid,.scenario-grid,.support-grid{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section-head{display:block}.section-head p{margin-top:14px}.question-grid{grid-template-columns:1fr 1fr}.trust-band{grid-template-columns:1fr 1fr}.cta{padding:35px 27px;display:block}.cta .btn{margin-top:22px}}
    @media(max-width:520px){.brand{font-size:21px}.brand-mark{width:34px;height:34px}.channel-nav a{padding:11px 13px}.hero-copy{font-size:16px}.question-grid,.faq-grid,.trust-band{grid-template-columns:1fr}section{padding:62px 0}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.footer-grid{grid-template-columns:1fr}.fixed-bar{left:15px;right:15px;justify-content:space-between}.fixed-bar .btn{padding:9px 13px}}

/* roulang page: category4 */
:root{
      --ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;
      --navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;
      --line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;
      --radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus,summary:focus{outline:3px solid rgba(94,124,255,.32);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:30;box-shadow:0 8px 24px rgba(6,10,22,.16)}
    .brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}
    .header-actions{display:flex;align-items:center;gap:14px}
    .search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px;transition:var(--ease)}
    .search::placeholder{color:#8994a9}
    .search:focus{width:205px;background:rgba(255,255,255,.1)}
    .channel-row{border-top:1px solid var(--line);overflow:auto}
    .channel-nav{display:flex;gap:7px;white-space:nowrap}
    .channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}
    .channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease);line-height:1.3}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}
    .btn-primary:hover{background:#7890ff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(94,124,255,.34)}
    .btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:#fff;color:var(--navy)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:var(--cyan);transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.32;margin:10px 0 0;letter-spacing:-.035em}
    .section-head p{max-width:590px;color:var(--sub);margin:0}
    .light-section{background:#fff}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head p{color:#aeb8ca}
    .page-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:72px 0 78px}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.97) 12%,rgba(11,16,32,.81) 55%,rgba(11,16,32,.58)),url("/assets/images/backpic/back-2.webp") center/cover}
    .page-hero .container{position:relative}
    .breadcrumb{display:flex;gap:8px;align-items:center;color:#b7c0d1;font-size:13px;margin-bottom:24px}
    .breadcrumb span{color:var(--cyan)}
    .hero-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
    h1{font-size:clamp(40px,5vw,66px);letter-spacing:-.055em;line-height:1.13;margin:12px 0 22px}
    .hero-copy{font-size:17px;line-height:2;color:#c2cada;max-width:650px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-status{display:flex;gap:24px;flex-wrap:wrap;margin-top:33px;color:#aeb8ca;font-size:13px}
    .hero-status strong{display:block;color:#fff;font-size:22px;line-height:1.25}
    .bulletin-board{background:rgba(18,26,45,.9);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:23px;box-shadow:0 24px 60px rgba(0,0,0,.25);backdrop-filter:blur(10px)}
    .board-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:17px;border-bottom:1px solid var(--line)}
    .board-top b{font-size:17px}.live-dot{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--cyan)}
    .live-dot:before{content:"";width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(97,214,208,.12)}
    .board-row{display:grid;grid-template-columns:42px 1fr auto;gap:11px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0;padding-bottom:1px}
    .board-num{color:var(--cyan);font-weight:900;font-size:18px}.board-row b{font-size:14px;display:block}.board-row small{color:#9eaabe;font-size:12px}.board-date{font-size:12px;color:#aab5c8}
    .notice-bar{margin-top:-1px;background:#131d34;color:#dce3f1;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
    .notice-inner{min-height:54px;display:flex;align-items:center;gap:14px;font-size:14px}
    .notice-label{background:rgba(97,214,208,.14);color:var(--cyan);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:800;white-space:nowrap}
    .notice-inner p{margin:0;color:#c1cada}
    .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .quick-card{background:#fff;border:1px solid var(--lightline);border-radius:var(--radius);padding:24px;min-height:192px;position:relative;overflow:hidden;transition:var(--ease)}
    .quick-card:after{content:"";width:90px;height:90px;position:absolute;right:-30px;bottom:-34px;border-radius:50%;background:#eef1ff}
    .quick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5ff}
    .quick-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:#edf1ff;color:var(--blue);font-weight:900;font-size:19px}
    .quick-card h3{font-size:19px;margin:18px 0 6px}.quick-card p{color:var(--sub);font-size:14px;margin:0}
    .news-feature{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--lightline);border-radius:24px;overflow:hidden;box-shadow:0 14px 35px rgba(24,32,51,.06)}
    .news-image{min-height:390px;position:relative;background:#182033}.news-image img{width:100%;height:100%;object-fit:cover}
    .image-badge{position:absolute;left:25px;top:25px;background:var(--navy);color:#fff;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:800}
    .news-content{padding:48px;display:flex;flex-direction:column;justify-content:center}
    .news-date{font-size:13px;color:var(--blue);font-weight:800;letter-spacing:.06em}
    .news-content h2{font-size:32px;line-height:1.35;margin:14px 0}.news-content p{margin:0;color:var(--sub);font-size:16px}
    .news-tags{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tag{border-radius:20px;background:#eef1ff;color:#4e69df;padding:4px 10px;font-size:12px;font-weight:700}
    .news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .news-card{background:#fff;border:1px solid var(--lightline);border-radius:18px;padding:25px;transition:var(--ease)}
    .news-card:hover{transform:translateY(-4px);border-color:#cbd5ff;box-shadow:var(--shadow)}
    .news-card time{color:var(--blue);font-size:13px;font-weight:800}.news-card h3{font-size:20px;line-height:1.45;margin:10px 0}.news-card p{margin:0;color:var(--sub);font-size:14px}
    .read-more{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:800;margin-top:18px;font-size:14px}.read-more:hover{color:#314ecf;gap:11px}
    .split-story{display:grid;grid-template-columns:.83fr 1.17fr;gap:54px;align-items:center}
    .story-photo{position:relative}.story-photo img{height:445px;width:100%;object-fit:cover;border-radius:23px}
    .photo-note{position:absolute;left:20px;right:20px;bottom:20px;padding:15px 17px;background:rgba(11,16,32,.86);color:#fff;border-radius:14px;font-size:13px;backdrop-filter:blur(7px)}
    .story-content h2{font-size:35px;line-height:1.35;margin:10px 0 18px}.story-content>p{color:var(--sub);font-size:16px}
    .check-list{list-style:none;padding:0;margin:24px 0}.check-list li{padding:12px 0 12px 29px;border-bottom:1px solid var(--lightline);position:relative;color:#3d485d}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}
    .data-item{background:#fff;padding:27px}.data-item b{font-size:32px;display:block;color:var(--navy);line-height:1.2}.data-item span{color:var(--sub);font-size:13px}
    .timeline{position:relative;max-width:930px;margin:auto}.timeline:before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:#ced7ed}
    .timeline-item{position:relative;padding:0 0 31px 58px}.timeline-item:last-child{padding-bottom:0}
    .timeline-dot{position:absolute;left:10px;top:6px;width:19px;height:19px;background:var(--blue);border:4px solid #e7ebff;border-radius:50%}
    .timeline-item time{color:var(--blue);font-size:13px;font-weight:800}.timeline-item h3{font-size:20px;margin:7px 0}.timeline-item p{margin:0;color:var(--sub)}
    .trust-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .trust-panel{background:#17213a;border-radius:22px;padding:36px;color:#fff}.trust-panel h2{font-size:30px;line-height:1.35;margin:12px 0}.trust-panel p{color:#b7c1d4;margin:0}
    .trust-list{margin-top:23px;display:grid;gap:12px}.trust-line{display:flex;gap:12px;align-items:flex-start}.trust-line i{font-style:normal;color:var(--cyan);font-weight:900}
    .contact-panel{border-radius:22px;background:#fff;padding:36px;border:1px solid var(--lightline)}.contact-panel h3{font-size:25px;margin:0 0 10px}.contact-panel p{color:var(--sub);margin:0 0 21px}
    .contact-options{display:grid;gap:10px}.contact-option{border:1px solid var(--lightline);border-radius:12px;padding:13px 15px;font-weight:700;color:#39445a}.contact-option:hover{border-color:var(--blue);color:var(--blue);background:#f6f7ff}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--blue);font-size:21px;line-height:1}.faq[open] summary:after{content:"−"}
    .faq p{color:var(--sub);margin:12px 0 0;font-size:14px}
    .cta-wrap{padding-top:0}.cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.cta:after{content:"28";position:absolute;right:45px;top:-34px;font-size:165px;line-height:1;font-weight:900;color:rgba(255,255,255,.045)}
    .cta>div{position:relative;z-index:1}.cta h2{font-size:32px;line-height:1.3;margin:0 0 10px}.cta p{color:#b9c3d5;margin:0}
    footer{background:#080c18;color:#aab4c7;padding:54px 0 98px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:35px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer-brand{color:#fff;font-size:23px;font-weight:800;display:flex;align-items:center;gap:10px}.footer-brand .brand-mark{width:33px;height:33px;font-size:14px}
    .footer-desc{font-size:14px;line-height:1.8;max-width:390px;margin:15px 0 0}.footer-group h3{color:#fff;font-size:14px;margin:4px 0 14px}.footer-links{display:grid;gap:8px;font-size:14px}.footer-links a:hover{color:var(--cyan)}
    .footer-bottom{padding-top:23px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}.record-links{display:flex;gap:15px;flex-wrap:wrap}.record-links a:hover{color:var(--cyan)}
    .fixed-cta{position:fixed;z-index:25;bottom:18px;left:50%;transform:translateX(-50%);width:min(720px,calc(100% - 30px));background:rgba(11,16,32,.94);border:1px solid rgba(255,255,255,.15);box-shadow:0 16px 45px rgba(0,0,0,.28);backdrop-filter:blur(12px);padding:10px 11px 10px 18px;border-radius:18px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:14px}.fixed-cta span{font-size:14px}.fixed-cta small{display:block;color:#aeb8ca;font-size:11px}
    @media(max-width:1024px){.hero-layout{gap:34px}.quick-grid{grid-template-columns:repeat(2,1fr)}.split-story{gap:35px}.news-content{padding:35px}.footer-grid{grid-template-columns:1.2fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 30px,1180px)}.brand-row{height:66px}.brand{font-size:22px}.header-actions .search{display:none}.header-actions .btn{padding:10px 13px;font-size:13px}.channel-nav a{padding:11px 14px}.page-hero{padding:54px 0 58px}.hero-layout,.news-feature,.split-story,.trust-grid{grid-template-columns:1fr}.bulletin-board{max-width:620px}.news-image{min-height:280px}.story-photo img{height:320px}.section-head{display:block}.section-head h2{font-size:29px}.section-head p{margin-top:13px}.data-band{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:1fr}.cta{padding:37px 30px;display:block}.cta .btn{margin-top:21px}.footer-grid{grid-template-columns:1fr 1fr}section{padding:64px 0}}
    @media(max-width:520px){body{font-size:14px}.brand-mark{width:34px;height:34px}.brand{gap:9px;font-size:20px}.header-actions .btn{font-size:12px;padding:9px 10px}.quick-grid,.news-list{grid-template-columns:1fr}.hero-status{gap:17px}.hero-status strong{font-size:19px}h1{font-size:39px}.page-hero{padding-top:45px}.news-content{padding:27px}.news-content h2,.story-content h2{font-size:27px}.data-item{padding:20px}.data-item b{font-size:27px}.trust-panel,.contact-panel{padding:27px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.record-links{margin-top:10px}.fixed-cta{bottom:10px;padding:9px 10px 9px 14px}.fixed-cta span{font-size:12px}.fixed-cta .btn{padding:9px 12px;font-size:12px}.cta:after{right:10px;font-size:120px}}

/* roulang page: category5 */
:root{--ink:#f7f8fb;--muted:#9ba5b8;--paper:#f5f7fb;--text:#182033;--sub:#647087;--navy:#0b1020;--navy2:#121a2d;--blue:#5e7cff;--cyan:#61d6d0;--gold:#f3c66c;--line:rgba(255,255,255,.12);--lightline:#e3e8f1;--card:#fff;--radius:20px;--shadow:0 18px 50px rgba(18,28,55,.1);--ease:all .28s ease}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:15px}a{color:inherit;text-decoration:none;transition:var(--ease)}img{max-width:100%;display:block}button,input{font:inherit}button:focus,a:focus,input:focus{outline:3px solid rgba(94,124,255,.3);outline-offset:3px}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--navy);color:#d7deec;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
    .site-header{background:var(--navy);color:var(--ink);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,10,22,.16)}.brand-row{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;font-size:25px;font-weight:800;letter-spacing:.04em}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#10172a;font-weight:900;box-shadow:0 8px 22px rgba(97,214,208,.22)}.header-actions{display:flex;align-items:center;gap:14px}.search{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:30px;color:#fff;padding:8px 15px;width:170px}.search::placeholder{color:#8994a9}.channel-row{border-top:1px solid var(--line);overflow:auto}.channel-nav{display:flex;gap:7px;white-space:nowrap}.channel-nav a{display:block;padding:12px 17px;color:#aeb8ca;font-size:14px;border-bottom:2px solid transparent}.channel-nav a:hover,.channel-nav a.active{color:#fff;border-color:var(--cyan);background:rgba(255,255,255,.04)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-weight:700;cursor:pointer;transition:var(--ease)}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(94,124,255,.25)}.btn-primary:hover{background:#7890ff;transform:translateY(-2px)}.btn-ghost{border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.05)}.btn-ghost:hover{background:#fff;color:var(--navy)}.btn-light{background:#fff;color:var(--navy)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:72px 0 80px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.97) 15%,rgba(11,16,32,.7)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}.hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1fr .86fr;gap:62px;align-items:center}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.05em;margin:17px 0}.hero-copy{font-size:18px;line-height:2;color:#c5ccda;max-width:650px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}.hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:#aeb8ca;font-size:13px}.hero-meta strong{display:block;font-size:22px;color:#fff;line-height:1.3}.hero-panel{background:rgba(18,26,45,.9);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:25px;box-shadow:0 24px 60px rgba(0,0,0,.24);backdrop-filter:blur(8px)}.panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.live-dot{color:#ff928d;font-size:12px}.live-dot:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#ff6868;margin-right:6px;box-shadow:0 0 0 5px rgba(255,104,104,.13)}.security-line{display:flex;gap:12px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--line)}.security-line:last-child{border:0}.security-line b{color:var(--cyan);font-size:18px}.security-line span{color:#c4cbda}.mini-bar{height:7px;background:#26314c;border-radius:8px;margin-top:18px;overflow:hidden}.mini-bar i{display:block;width:78%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:8px}
    section{padding:82px 0}.light-section{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 0;letter-spacing:-.035em}.section-head p{max-width:620px;color:var(--sub);margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{padding:29px;border:1px solid var(--lightline);border-radius:var(--radius);background:#fff;min-height:220px;transition:var(--ease)}.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8d2ff}.feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#edf1ff;color:var(--blue);font-weight:900;font-size:19px}.feature h3{font-size:20px;margin:21px 0 8px}.feature p{color:var(--sub);margin:0}.data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--lightline);border:1px solid var(--lightline);border-radius:20px;overflow:hidden}.data-item{background:#fff;padding:27px}.data-item b{font-size:33px;display:block;color:var(--navy)}.data-item span{color:var(--sub);font-size:13px}.story-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center}.story-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.story-image img{width:100%;height:390px;object-fit:cover}.story-copy h2{font-size:34px;line-height:1.35;margin:12px 0}.story-copy p{color:var(--sub)}.check-list{padding:0;margin:24px 0;list-style:none}.check-list li{margin:13px 0;padding-left:28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}.dark-section{background:var(--navy);color:#fff}.dark-section .section-head p{color:#aeb8ca}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.process-item{padding:24px;border-top:1px solid rgba(255,255,255,.2);position:relative}.process-item:not(:last-child):after{content:"→";position:absolute;right:-9px;top:15px;color:var(--cyan);font-size:22px}.process-num{color:var(--cyan);font-size:14px;font-weight:800}.process h3{font-size:19px;margin:15px 0 6px}.process p{color:#aeb8ca;font-size:14px}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.scenario{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:20px;background:#fff;border:1px solid var(--lightline);border-radius:20px}.scenario img{width:150px;height:130px;object-fit:cover;border-radius:14px}.scenario h3{margin:4px 0 8px;font-size:19px}.scenario p{color:var(--sub);margin:0;font-size:14px}.notice{padding:30px;border-radius:22px;background:#eef8f7;border:1px solid #caeae6;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}.notice-mark{font-size:30px;color:#188d84}.notice h3{margin:0 0 8px}.notice p{color:var(--sub);margin:0}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{background:#fff;border:1px solid var(--lightline);border-radius:16px;padding:20px 23px}.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--blue);font-size:21px}.faq[open] summary:after{content:"−"}.faq p{color:var(--sub);margin:12px 0 0;font-size:14px}.cta{background:linear-gradient(110deg,#182543,#0b1020);color:#fff;border-radius:27px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:32px;line-height:1.35;margin:0 0 10px}.cta p{color:#b5bfd1;margin:0}.footer{background:var(--navy);color:#aeb8ca;padding:42px 0 94px}.footer-main{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.footer .brand{color:#fff;font-size:21px}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:22px;font-size:13px;line-height:2}.fixed-bar{position:fixed;z-index:25;bottom:0;left:0;right:0;background:rgba(11,16,32,.94);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.12);color:#fff;padding:11px 0}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-inner span{font-size:14px;color:#c8d0df}.fixed-inner strong{color:var(--cyan)}@media(max-width:900px){.hero-grid,.story-grid{grid-template-columns:1fr}.hero-panel{max-width:620px}.feature-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr;gap:15px}.process-item:not(:last-child):after{display:none}.scenario-grid{grid-template-columns:1fr}}@media(max-width:650px){.container{width:min(100% - 28px,1180px)}.topbar{display:none}.brand-row{height:68px}.header-actions .search{display:none}.brand{font-size:21px}.header-actions .btn{padding:9px 13px;font-size:13px}.channel-nav a{padding:10px 13px}.hero{padding:55px 0 60px}.hero h1{font-size:40px}.hero-copy{font-size:16px}.hero-meta{gap:16px}.hero-panel{padding:18px}.section-head{display:block}.section-head h2,.story-copy h2{font-size:29px}.feature-grid,.faq-grid,.data-band,.process{grid-template-columns:1fr}.scenario{grid-template-columns:105px 1fr;gap:15px}.scenario img{width:105px;height:110px}.cta{padding:32px 25px;display:block}.cta .btn{margin-top:22px}.footer-main{display:block}.footer-links{margin-top:25px}.fixed-inner span{font-size:12px}.fixed-inner .btn{padding:9px 13px;font-size:12px}}