/* roulang page: index */
:root{
      --ink:#0b1426;
      --navy:#111e38;
      --navy-2:#172946;
      --blue:#2d7cff;
      --blue-2:#63a1ff;
      --cyan:#53d9d0;
      --lime:#b9ec67;
      --orange:#ffb65c;
      --paper:#f5f8fc;
      --white:#ffffff;
      --muted:#6d7b91;
      --line:#dfe6ef;
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(22,42,74,.10);
      --shadow-dark:0 24px 65px rgba(5,15,33,.30);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:15px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(83,217,208,.75);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em;
      text-transform:uppercase;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h2{font-size:clamp(30px,4vw,48px)}
    h3{font-size:22px}
    .section{padding:104px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:42px}
    .section-head h2{margin-top:14px}
    .section-intro{max-width:560px;color:var(--muted);font-size:16px}
    .btn{
      min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap
    }
    .btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
    .btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
    .btn-dark{color:#fff;background:var(--navy)}
    .btn-dark:hover{transform:translateY(-3px);background:#20365d}
    .btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
    .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
    .site-header{
      position:sticky;z-index:50;top:0;background:rgba(245,248,252,.88);
      border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)
    }
    .nav{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--navy)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
    .search svg{width:16px;flex:none}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
    .hero{position:relative;overflow:hidden;padding:92px 0 86px;color:#fff;background:#0d1b34 url("/assets/images/backpic/back-1.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,35,.98) 0%,rgba(10,25,51,.86) 47%,rgba(11,24,46,.58) 100%)}
    .hero:after{content:"";position:absolute;width:420px;height:420px;right:-170px;top:-180px;border:1px solid rgba(99,161,255,.26);border-radius:50%;box-shadow:0 0 0 48px rgba(99,161,255,.04),0 0 0 98px rgba(99,161,255,.03)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center}
    .hero-copy{max-width:650px}
    .hero .eyebrow{color:var(--cyan)}
    .hero .eyebrow:before{background:var(--cyan)}
    .hero h1{max-width:720px;margin:20px 0 24px;font-size:clamp(42px,6vw,76px);font-weight:950}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-desc{max-width:610px;color:#c7d2e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
    .hero .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:var(--cyan)}
    .hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:34px;color:#b6c3d6;font-size:13px}
    .hero-points span{display:flex;align-items:center;gap:8px}
    .score-panel{position:relative;padding:23px;border:1px solid rgba(255,255,255,.16);border-radius:26px;background:rgba(17,36,67,.78);box-shadow:var(--shadow-dark);backdrop-filter:blur(10px)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;color:#bac9dd;font-size:12px}
    .live{display:flex;align-items:center;gap:7px;color:var(--lime);font-weight:800}
    .live .dot{animation:pulse 1.8s infinite}
    @keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(185,236,103,.3)}50%{box-shadow:0 0 0 7px rgba(185,236,103,0)}}
    .rank-head,.rank-row{display:grid;grid-template-columns:38px 1fr 70px 62px;align-items:center;gap:10px}
    .rank-head{padding:0 14px 10px;color:#7185a5;font-size:11px;border-bottom:1px solid var(--line-dark)}
    .rank-row{padding:15px 14px;border-bottom:1px solid var(--line-dark);font-size:13px}
    .rank-row:last-child{border-bottom:0}
    .rank-no{color:#6e86ac;font-weight:800}.rank-name{font-weight:800}.rank-meta{color:#90a3c0;font-size:11px}.rank-score{text-align:right;color:var(--lime);font-size:17px;font-weight:900}
    .rank-row:first-of-type{margin:0 -2px;background:rgba(99,161,255,.12);border-radius:12px}
    .mini-bars{display:flex;align-items:end;gap:4px;height:48px;margin-top:21px;padding:0 4px}
    .mini-bars i{display:block;flex:1;border-radius:4px 4px 1px 1px;background:linear-gradient(to top,var(--blue),var(--cyan));opacity:.82}
    .mini-bars i:nth-child(1){height:35%}.mini-bars i:nth-child(2){height:48%}.mini-bars i:nth-child(3){height:41%}.mini-bars i:nth-child(4){height:68%}.mini-bars i:nth-child(5){height:56%}.mini-bars i:nth-child(6){height:84%}.mini-bars i:nth-child(7){height:100%}.mini-bars i:nth-child(8){height:76%}.mini-bars i:nth-child(9){height:91%}.mini-bars i:nth-child(10){height:66%}
    .countdown-section{padding:28px 0;background:var(--navy)}
    .countdown-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff}
    .countdown-copy{display:flex;align-items:center;gap:18px}
    .countdown-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:rgba(185,236,103,.13);color:var(--lime);font-size:23px}
    .countdown-copy strong{display:block;font-size:16px}.countdown-copy span{color:#9eb0c8;font-size:13px}
    .timer{display:flex;align-items:center;gap:10px}.time-box{min-width:58px;padding:9px 8px;border-radius:12px;background:rgba(255,255,255,.1);text-align:center}.time-box b{display:block;color:var(--lime);font-size:22px;line-height:1}.time-box small{color:#9eb0c8;font-size:10px}.time-sep{color:#7790b6;font-size:20px}
    .highlights{background:#fff}
    .highlight-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:220px 220px;gap:18px}
    .highlight-card{position:relative;overflow:hidden;padding:27px;border-radius:24px;color:#fff;background:var(--navy);isolation:isolate}
    .highlight-card.large{grid-row:span 2;background:#18335f url("/assets/images/coverpic/cover-1.webp") center/cover}
    .highlight-card:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(11,29,58,.88),rgba(22,50,93,.55))}
    .highlight-card:not(.large){color:var(--ink);background:#edf4fb}
    .highlight-card:not(.large):before{background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(229,239,250,.68))}
    .highlight-card:nth-child(3){background:#e7f5ed}.highlight-card:nth-child(4){background:#fff2df}
    .highlight-card h3{margin:13px 0 8px}.highlight-card p{max-width:330px;color:#b6c6dd;font-size:13px}.highlight-card:not(.large) p{color:var(--muted)}
    .highlight-card .corner{position:absolute;right:22px;bottom:16px;font-size:53px;font-weight:950;color:rgba(45,124,255,.12)}
    .highlight-card.large .corner{color:rgba(185,236,103,.2)}
    .highlight-card a{display:inline-flex;margin-top:18px;color:var(--blue);font-size:13px;font-weight:850}
    .highlight-card.large a{color:var(--lime)}
    .matrix-section{background:#f1f5fa}
    .matrix-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:54px;align-items:start}
    .matrix-layout>div>p{margin-top:20px;color:var(--muted);font-size:16px}
    .matrix-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .matrix-item{display:flex;gap:15px;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}
    .matrix-item:hover{transform:translateY(-4px);border-color:#b4cdf7;box-shadow:var(--shadow)}
    .matrix-num{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;color:var(--blue);background:#eaf2ff;font-weight:900;flex:none}
    .matrix-item h3{font-size:17px;letter-spacing:-.02em}.matrix-item p{margin-top:5px;color:var(--muted);font-size:12px;line-height:1.7}
    .packages{background:#fff}
    .package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
    .package{position:relative;padding:29px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:var(--ease)}
    .package:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .package.featured{border:2px solid var(--blue);box-shadow:0 16px 38px rgba(45,124,255,.12)}
    .popular{position:absolute;top:-13px;right:21px;padding:4px 11px;border-radius:999px;color:#0c1b33;background:var(--lime);font-size:11px;font-weight:900}
    .package h3{font-size:23px}.package>p{margin:10px 0 23px;color:var(--muted);font-size:13px}
    .package-price{padding:17px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:30px;font-weight:950}.package-price span{font-size:12px;color:var(--muted);font-weight:500}
    .package ul{list-style:none;margin:20px 0 24px}.package li{display:flex;gap:9px;margin:11px 0;color:#53647c;font-size:13px}.package li:before{content:"✓";color:var(--blue);font-weight:900}
    .package .btn{width:100%}
    .trust{padding:34px 0;background:var(--navy-2);color:#fff}
    .trust-row{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:22px;align-items:center}
    .trust-lead strong{display:block;font-size:21px}.trust-lead span{display:block;margin-top:5px;color:#9baec7;font-size:12px}
    .trust-item{display:flex;align-items:center;gap:12px;color:#c0cee1;font-size:13px}.trust-item b{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:var(--lime);background:rgba(185,236,103,.1);font-size:16px}
    .analytics{background:#f5f8fc}
    .analytics-layout{display:grid;grid-template-columns:1fr .84fr;gap:20px}
    .chart-card,.kpi-card{padding:30px;border:1px solid var(--line);border-radius:24px;background:#fff}
    .chart-title{display:flex;justify-content:space-between;align-items:start}.chart-title h3{font-size:21px}.chart-title p{color:var(--muted);font-size:12px}
    .chart-value{margin-top:20px;font-size:40px;font-weight:950;letter-spacing:-.06em}.chart-value small{font-size:13px;color:#2cae8d;letter-spacing:0}
    .chart{display:flex;align-items:end;gap:12px;height:155px;margin-top:20px;padding:0 10px;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to top,transparent 0,transparent 38px,#edf1f6 39px)}
    .bar{position:relative;flex:1;min-width:12px;border-radius:6px 6px 0 0;background:linear-gradient(to top,#2d7cff,#62c9ef)}.bar span{position:absolute;bottom:-28px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:10px}
    .kpi-list{margin-top:16px}.kpi-row{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line)}.kpi-row:last-child{border:0}.kpi-row span{color:var(--muted);font-size:13px}.kpi-row strong{font-size:21px}.up{color:#22a879;font-size:11px!important;margin-left:8px}
    .themes{background:#fff}
    .theme-layout{display:grid;grid-template-columns:.96fr 1.04fr;gap:48px;align-items:center}
    .theme-image{position:relative;min-height:430px;overflow:hidden;border-radius:28px;background:#19365d}
    .theme-image img{width:100%;height:430px;object-fit:cover;opacity:.82}
    .theme-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,23,47,.78),transparent 65%)}
    .image-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:24px;color:#fff}.image-caption h3{font-size:27px}.image-caption p{margin-top:6px;color:#c6d1e1;font-size:13px}
    .theme-copy>p{margin-top:20px;color:var(--muted);font-size:16px}.theme-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.theme-tags a{padding:11px 15px;border:1px solid var(--line);border-radius:12px;color:#495b75;background:#fff;font-size:13px;transition:var(--ease)}.theme-tags a:hover{color:var(--blue);border-color:var(--blue);background:#f2f7ff}
    .steps{background:#edf3f9}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #cbd8e7}
    .step{position:relative;padding:28px 28px 10px 0;margin-right:24px}.step:not(:last-child):after{content:"→";position:absolute;top:27px;right:0;color:#96acc8;font-size:25px}.step-no{color:var(--blue);font-size:13px;font-weight:900}.step h3{margin:13px 0 8px;font-size:19px}.step p{color:var(--muted);font-size:13px}
    .brand-story{background:#fff}
    .story-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.story-layout h2{max-width:360px}.story-text{color:#53647a;font-size:16px;line-height:2}.story-text p+p{margin-top:18px}.story-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:29px}.story-stat{padding:18px;border-radius:16px;background:#f1f6fb}.story-stat strong{display:block;color:var(--navy);font-size:27px}.story-stat span{color:var(--muted);font-size:11px}
    .updates{background:#f1f5fa}
    .update-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px}.update-layout>div>p{margin-top:18px;color:var(--muted);font-size:15px}.changelog{border-left:2px solid #d6e2f0;padding-left:26px}.change{position:relative;padding:0 0 29px}.change:before{content:"";position:absolute;left:-34px;top:4px;width:12px;height:12px;border:3px solid #f1f5fa;border-radius:50%;background:var(--blue)}.change:last-child{padding-bottom:0}.change time{color:var(--blue);font-size:12px;font-weight:850}.change h3{margin:7px 0 5px;font-size:19px}.change p{color:var(--muted);font-size:13px}
    .news{background:#fff}
    .news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:104px 1fr 105px;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.news-date{color:var(--muted);font-size:12px}.news-date b{display:block;color:var(--navy);font-size:24px;line-height:1.1}.news-item h3{font-size:17px;letter-spacing:-.02em}.news-item p{margin-top:4px;color:var(--muted);font-size:12px;line-height:1.65}.news-item .read{justify-self:end;color:var(--blue);font-size:12px;font-weight:850}.news-feature{position:relative;overflow:hidden;min-height:350px;border-radius:22px;background:#18345e}.news-feature img{width:100%;height:350px;object-fit:cover;opacity:.75}.news-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,23,47,.92),transparent 65%)}.news-feature-text{position:absolute;z-index:1;left:26px;right:26px;bottom:25px;color:#fff}.news-feature-text h3{margin:11px 0 7px;font-size:24px}.news-feature-text p{color:#c1cede;font-size:13px}
    .voices{background:#f1f5fa}.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.voice{padding:27px;border-radius:22px;background:#fff;border:1px solid var(--line)}.quote{color:var(--blue);font-size:32px;line-height:1}.voice p{margin:12px 0 22px;color:#52627a;font-size:14px;line-height:1.9}.voice-author{display:flex;align-items:center;gap:11px;font-size:12px;font-weight:800}.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--navy)}
    .faq{background:#fff}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-layout>div>p{margin-top:20px;color:var(--muted);font-size:15px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font-size:17px;font-weight:850}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--blue);font-size:25px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list details p{max-width:730px;margin-top:13px;color:var(--muted);font-size:14px;line-height:1.9}
    .cta{padding:72px 0;background:var(--navy)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}.cta h2{max-width:680px;color:#fff;font-size:clamp(29px,4vw,45px)}.cta p{margin-top:13px;color:#afbdd0;font-size:14px}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
    footer{padding:53px 0 24px;color:#aebbd0;background:#091329}.footer-main{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:42px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{color:#fff}.footer-brand .brand{color:#fff}.footer-brand p{max-width:290px;margin-top:16px;color:#8d9bb1;font-size:13px;line-height:1.9}.footer-col h3{margin-bottom:16px;color:#fff;font-size:14px}.footer-col a{display:block;width:max-content;margin:10px 0;color:#8d9bb1;font-size:12px;transition:var(--ease)}.footer-col a:hover{color:var(--lime);transform:translateX(3px)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#78869d;font-size:11px}.footer-bottom span{display:inline-block;margin-right:18px}.footer-bottom a{color:#9baac0;margin-left:13px}.footer-bottom a:hover{color:var(--lime)}
    @media(max-width:1080px){.nav{gap:15px}.nav-links a{padding-left:7px;padding-right:7px}.search{width:130px}.hero-inner{gap:35px}.container{width:min(100% - 36px,1000px)}}
    @media(max-width:820px){.section{padding:76px 0}.nav{height:70px}.menu-toggle{display:block}.nav-tools .search,.nav-tools .btn{display:none}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 18px 20px;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px 8px}.nav-links a.active:after{left:8px;right:auto;width:26px;bottom:5px}.hero{padding:70px 0}.hero-inner,.matrix-layout,.theme-layout,.update-layout,.faq-layout,.news-layout{grid-template-columns:1fr}.hero-copy{max-width:none}.score-panel{max-width:630px}.highlight-grid{grid-template-columns:1fr 1fr;grid-template-rows:240px 190px}.highlight-card.large{grid-row:auto;grid-column:span 2}.package-grid{grid-template-columns:1fr 1fr}.package:last-child{grid-column:span 2;max-width:50%;justify-self:center}.trust-row{grid-template-columns:1fr 1fr}.trust-lead{grid-column:span 2}.analytics-layout{grid-template-columns:1fr}.theme-image{min-height:330px}.theme-image img{height:330px}.step-grid{grid-template-columns:1fr 1fr;gap:10px}.step:nth-child(2):after{display:none}.voice-grid{grid-template-columns:1fr 1fr}.faq-layout{gap:30px}.cta-box{align-items:start;flex-direction:column}.footer-main{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{width:calc(100% - 30px)}.hero h1{font-size:43px}.hero-desc{font-size:15px}.hero-actions,.cta-actions{align-items:stretch;flex-direction:column}.hero-actions .btn,.cta-actions .btn{width:100%}.countdown-wrap{align-items:start;flex-direction:column}.timer{width:100%;justify-content:space-between;gap:5px}.time-box{min-width:0;flex:1}.time-sep{font-size:15px}.section-head{display:block;margin-bottom:28px}.section-intro{margin-top:16px}.highlight-grid{display:flex;flex-direction:column}.highlight-card.large{min-height:275px}.highlight-card:not(.large){min-height:170px}.matrix-list,.package-grid{grid-template-columns:1fr}.package:last-child{grid-column:auto;max-width:none}.trust-row{grid-template-columns:1fr}.trust-lead{grid-column:auto}.chart-card,.kpi-card,.package,.voice{padding:22px}.step-grid{display:block}.step{padding:22px 0;border-bottom:1px solid #d7e1ed}.step:not(:last-child):after{display:none}.news-item{grid-template-columns:65px 1fr}.news-item .read{grid-column:2;justify-self:start}.news-date b{font-size:20px}.voice-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.footer-bottom{display:block;line-height:2}.footer-bottom a{margin-left:0;margin-right:12px}}

/* roulang page: category1 */
:root{
      --ink:#0b1426;
      --navy:#111e38;
      --navy-2:#172946;
      --blue:#2d7cff;
      --blue-2:#63a1ff;
      --cyan:#53d9d0;
      --lime:#b9ec67;
      --orange:#ffb65c;
      --paper:#f5f8fc;
      --white:#fff;
      --muted:#6d7b91;
      --line:#dfe6ef;
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(22,42,74,.10);
      --shadow-dark:0 24px 65px rgba(5,15,33,.30);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;margin:0;color:var(--ink);background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased
    }
    h1,h2,h3,h4,p{margin:0}
    h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em}
    h3{font-size:20px;line-height:1.4}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
    .section{padding:94px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:38px}
    .section-head h2{margin-top:14px}
    .section-intro{max-width:560px;color:var(--muted);font-size:16px}
    .btn{
      min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;
      gap:10px;border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap
    }
    .btn:focus,.search input:focus,.menu-toggle:focus{outline:3px solid rgba(45,124,255,.25);outline-offset:3px}
    .btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
    .btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
    .btn-dark{color:#fff;background:var(--navy)}
    .btn-dark:hover{transform:translateY(-3px);background:#20365d}
    .btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;z-index:50;top:0;background:rgba(245,248,252,.9);border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)}
    .nav{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--navy)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
    .search svg{width:16px;flex:none}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
    .page-banner{position:relative;overflow:hidden;padding:66px 0 72px;color:#fff;background:var(--navy) url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,35,.97),rgba(13,34,68,.78),rgba(13,27,52,.57))}
    .page-banner:after{content:"";position:absolute;width:360px;height:360px;right:5%;top:-250px;border:1px solid rgba(83,217,208,.28);border-radius:50%;box-shadow:0 0 0 50px rgba(83,217,208,.04),0 0 0 100px rgba(83,217,208,.03)}
    .banner-inner{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:40px}
    .banner-copy{max-width:730px}.page-banner .eyebrow{color:var(--cyan)}.page-banner .eyebrow:before{background:var(--cyan)}
    .page-banner h1{margin:17px 0 18px;font-size:clamp(38px,6vw,68px);line-height:1.15;letter-spacing:-.06em}
    .page-banner p{max-width:680px;color:#c7d2e3;font-size:17px}
    .banner-stat{min-width:190px;padding:20px;border:1px solid rgba(255,255,255,.17);border-radius:18px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}
    .banner-stat strong{display:block;color:var(--lime);font-size:34px;line-height:1.1}.banner-stat span{color:#b7c6d9;font-size:13px}
    .notice-bar{background:var(--navy-2);color:#cad7e8}
    .notice-inner{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px}
    .notice-inner strong{color:var(--cyan);margin-right:12px}.notice-inner a{color:var(--lime);font-weight:800}
    .problem-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center}
    .problem-copy p{margin-top:22px;color:var(--muted);font-size:16px}
    .problem-list{display:grid;gap:14px}
    .problem-item{display:grid;grid-template-columns:46px 1fr;gap:17px;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}
    .problem-item:hover{transform:translateX(5px);border-color:#b8cef1;box-shadow:var(--shadow)}
    .problem-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#edf3ff;color:var(--blue);font-weight:900}
    .problem-item h3{font-size:17px}.problem-item p{margin-top:5px;color:var(--muted);font-size:13px}
    .feature-section{background:#fff}
    .metric-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:28px 24px;border-right:1px solid var(--line)}.metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--navy);font-size:36px;line-height:1.1}.metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .service-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .service-card{min-height:250px;padding:28px;border:1px solid var(--line);border-radius:22px;background:var(--paper);transition:var(--ease)}
    .service-card:first-child{color:#fff;background:var(--navy)}
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bcd0ee}
    .service-card img{width:100%;height:112px;object-fit:cover;border-radius:15px;margin-bottom:20px}
    .service-card h3{margin-bottom:8px}.service-card p{color:var(--muted);font-size:13px}
    .service-card:first-child p{color:#b9c7da}
    .service-card .tag{margin-bottom:15px}
    .split-section{padding-top:30px}
    .split-wrap{display:grid;grid-template-columns:1fr 1fr;min-height:410px;border-radius:28px;overflow:hidden;background:var(--navy);box-shadow:var(--shadow-dark)}
    .split-image{min-height:410px;background:url("/assets/images/coverpic/cover-4.webp") center/cover no-repeat}
    .split-content{padding:58px 58px 50px;color:#fff}
    .split-content p{margin-top:18px;color:#b9c7da}.check-list{display:grid;gap:13px;margin:27px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#dce5f1;font-size:14px}
    .check-list li:before{content:"✓";display:grid;place-items:center;width:21px;height:21px;flex:none;border-radius:50%;background:var(--lime);color:#13233d;font-size:12px;font-weight:900}
    .flow-section{background:#eef4fa}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .flow-step{position:relative;padding:25px 22px;background:#fff;border-radius:18px;border:1px solid var(--line)}
    .flow-step:not(:last-child):after{content:"→";position:absolute;right:-19px;top:50%;z-index:2;color:var(--blue);font-size:23px;font-weight:900}
    .step-no{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.12em}.flow-step h3{margin:12px 0 7px;font-size:17px}.flow-step p{color:var(--muted);font-size:13px}
    .evidence-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:start}
    .evidence-image{position:relative;overflow:hidden;border-radius:25px;background:var(--navy)}
    .evidence-image img{width:100%;height:370px;object-fit:cover;opacity:.88}
    .image-caption{position:absolute;left:24px;right:24px;bottom:20px;color:#fff;font-weight:800}
    .evidence-copy p{margin:18px 0 25px;color:var(--muted);font-size:16px}
    .evidence-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .evidence-point{padding:17px;border-radius:15px;background:#fff;border:1px solid var(--line)}
    .evidence-point strong{display:block;color:var(--navy);font-size:19px}.evidence-point span{color:var(--muted);font-size:12px}
    .data-section{background:var(--navy);color:#fff}
    .data-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:58px;align-items:center}
    .data-section .eyebrow{color:var(--cyan)}.data-section .eyebrow:before{background:var(--cyan)}
    .data-section p{margin-top:18px;color:#b7c6d9}
    .data-board{padding:24px;border:1px solid var(--line-dark);border-radius:22px;background:rgba(255,255,255,.06)}
    .board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line-dark);color:#b7c6d9;font-size:12px}
    .match-row{display:grid;grid-template-columns:1fr 80px 1fr;align-items:center;gap:18px;padding:18px 5px;border-bottom:1px solid var(--line-dark);text-align:center}
    .match-row:last-child{border-bottom:0}.team{text-align:left;font-weight:800}.team:last-child{text-align:right}.match-score{font-size:20px;color:var(--lime);font-weight:900}.match-meta{display:block;color:#8fa2be;font-size:11px;font-weight:400}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:62px}
    .faq-copy p{margin-top:17px;color:var(--muted)}.faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
    .faq-question{width:100%;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;background:transparent;color:var(--navy);font-weight:850;text-align:left}
    .faq-question span{font-size:22px;color:var(--blue);transition:var(--ease)}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta-section{padding:80px 0}.cta-box{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:46px 52px;border-radius:27px;background:var(--blue);color:#fff}.cta-box:after{content:"";position:absolute;width:280px;height:280px;right:8%;top:-190px;border:1px solid rgba(255,255,255,.2);border-radius:50%}.cta-box > *{position:relative;z-index:1}.cta-box h2{max-width:650px}.cta-box p{max-width:650px;margin-top:12px;color:#dce9ff}.cta-box .btn{flex:none}
    footer{background:var(--navy);color:#fff}.footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:42px;padding:64px 0 48px}.footer-brand p{max-width:310px;margin-top:17px;color:#9eafc6;font-size:13px}.footer-brand .brand{color:#fff}.footer-col{display:grid;align-content:start;gap:9px}.footer-col h3{margin-bottom:8px;color:#fff;font-size:14px}.footer-col a{color:#9eafc6;font-size:13px;transition:var(--ease)}.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-top:1px solid var(--line-dark);color:#8fa2be;font-size:12px}.footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}.footer-bottom a:hover{color:var(--lime)}
    @media(max-width:1100px){.nav{gap:15px}.nav-links a{padding-left:8px;padding-right:8px;font-size:12px}.search{width:125px}.service-grid{grid-template-columns:1fr 1fr}.service-card:first-child{grid-column:span 2}}
    @media(max-width:820px){.container{width:min(100% - 36px,680px)}.menu-toggle{display:block}.nav-tools .search,.nav-tools .btn{display:none}.nav-links{display:none;position:absolute;left:18px;right:18px;top:70px;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:24px;bottom:4px}.banner-inner,.problem-grid,.evidence-grid,.data-layout,.faq-layout{grid-template-columns:1fr;display:grid}.banner-stat{width:210px}.metric-row{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.split-wrap{grid-template-columns:1fr}.split-image{min-height:240px}.split-content{padding:38px 30px}.flow-grid{grid-template-columns:1fr 1fr}.flow-step:not(:last-child):after{display:none}.cta-box{display:block;padding:38px 30px}.cta-box .btn{margin-top:25px}.footer-main{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:520px){.container{width:calc(100% - 30px)}.section{padding:68px 0}.nav{height:68px}.brand{font-size:20px}.page-banner{padding:52px 0 58px}.banner-inner{gap:25px}.page-banner h1{font-size:42px}.page-banner p{font-size:15px}.section-head{display:block;margin-bottom:27px}.section-intro{margin-top:15px}.metric-row,.service-grid,.flow-grid,.evidence-points{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid var(--line)}.metric:last-child{border-bottom:0}.service-card:first-child{grid-column:auto}.split-content{padding:32px 23px}.data-board{padding:14px}.match-row{gap:8px;font-size:13px}.footer-main{grid-template-columns:1fr 1fr;gap:28px;padding:47px 0 35px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom div{gap:8px 14px;margin-bottom:12px}.cta-box h2{font-size:30px}}

/* roulang page: category2 */
:root{
 --ink:#0b1426;--navy:#111e38;--navy-2:#172946;--blue:#2d7cff;--blue-2:#63a1ff;
 --cyan:#53d9d0;--lime:#b9ec67;--orange:#ffb65c;--paper:#f5f8fc;--white:#fff;
 --muted:#6d7b91;--line:#dfe6ef;--line-dark:rgba(255,255,255,.14);
 --radius-sm:12px;--radius-md:20px;--radius-lg:30px;
 --shadow:0 18px 50px rgba(22,42,74,.10);--shadow-dark:0 24px 65px rgba(5,15,33,.30);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
h2{font-size:clamp(28px,3vw,44px);line-height:1.25;letter-spacing:-.04em;margin-bottom:14px}
h3{font-size:20px;line-height:1.4}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
.section{padding:92px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:38px}
.section-intro{max-width:590px;color:var(--muted);font-size:16px}
.btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap}
.btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
.btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
.btn-dark{color:#fff;background:var(--navy)}
.btn-dark:hover{transform:translateY(-3px);background:#20365d}
.btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(45,124,255,.35);outline-offset:3px}
.tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
.site-header{position:sticky;z-index:50;top:0;background:rgba(245,248,252,.9);border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)}
.nav{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
.nav-tools{display:flex;align-items:center;gap:10px}
.search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
.search svg{width:16px;flex:none}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
.page-hero{position:relative;overflow:hidden;padding:76px 0 70px;color:#fff;background:#0d1b34 url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,17,35,.98),rgba(10,25,51,.76) 60%,rgba(11,24,46,.5))}
.page-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.page-hero h1{max-width:680px;margin:18px 0 20px;font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.06em}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.page-hero p{max-width:650px;color:#c7d2e3;font-size:17px}
.hero-note{padding:24px;border:1px solid rgba(255,255,255,.16);border-radius:24px;background:rgba(15,32,61,.72);box-shadow:var(--shadow-dark)}
.hero-note-top{display:flex;justify-content:space-between;align-items:center;color:#a9bad2;font-size:12px}
.live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--cyan);font-weight:800}
.live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(83,217,208,.13)}
.hero-note h3{font-size:25px;margin:22px 0 18px}
.mini-line{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line-dark);color:#c4d0df}
.mini-line b{color:#fff}.mini-line small{color:#90a3c0}
.pain-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:52px;align-items:start}
.pain-copy{padding-right:30px}.pain-copy p{color:var(--muted);font-size:16px}
.issue-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.issue{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}
.issue:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c4d8f6}
.issue strong{display:block;margin-bottom:7px;font-size:17px}.issue span{color:var(--muted);font-size:14px}
.solution{background:#eaf1f8}
.solution-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}
.solution-image{min-height:410px;overflow:hidden;border-radius:var(--radius-lg);background:#16345e}
.solution-image img{width:100%;height:100%;object-fit:cover}
.solution-copy{padding:30px 34px;border-radius:var(--radius-lg);background:var(--navy);color:#fff}
.solution-copy p{color:#b8c7da}.feature-list{margin:28px 0 0;padding:0;list-style:none}
.feature-list li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line-dark);color:#d7e0ec}
.feature-list li:before{content:"✓";display:grid;place-items:center;width:24px;height:24px;flex:none;border-radius:50%;background:var(--lime);color:#14213b;font-weight:900}
.team-showcase{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
.team-main{position:relative;min-height:430px;overflow:hidden;border-radius:var(--radius-lg);color:#fff;background:#1a3966}
.team-main img{width:100%;height:100%;object-fit:cover;opacity:.72}
.team-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,20,42,.88),transparent 65%)}
.team-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:26px}
.team-caption h3{font-size:28px;margin:12px 0 4px}.team-caption p{color:#c8d4e4;margin:0}
.team-side{display:flex;flex-direction:column;gap:20px}
.stat-card{flex:1;padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(22,42,74,.04)}
.stat-card:nth-child(2){background:#fff2df}.stat-number{font-size:42px;font-weight:950;line-height:1;color:var(--navy);margin:14px 0 7px}.stat-card p{color:var(--muted);margin:0}
.booking{padding:78px 0;background:var(--navy);color:#fff}
.booking-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:center}
.booking h2{max-width:420px}.booking-copy p{color:#b9c8dc}.booking-copy .eyebrow{color:var(--cyan)}.booking-copy .eyebrow:before{background:var(--cyan)}
.time-panel{padding:26px;border:1px solid var(--line-dark);border-radius:26px;background:#182b4b}
.time-panel h3{margin:0 0 18px}.time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.time-option{padding:13px 8px;border:1px solid rgba(255,255,255,.14);border-radius:13px;background:rgba(255,255,255,.04);color:#b9c8dc;text-align:center;transition:var(--ease)}
.time-option:hover,.time-option.selected{border-color:var(--lime);background:rgba(185,236,103,.13);color:#fff}
.time-option b{display:block;font-size:16px}.time-option small{font-size:11px}
.booking-form{display:flex;gap:10px;margin-top:20px}.booking-form input{height:48px;min-width:0;flex:1;padding:0 16px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.06);color:#fff;outline:0}.booking-form input::placeholder{color:#8fa2bd}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scenario{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:var(--ease)}
.scenario:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scenario .icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#e7f1ff;color:var(--blue);font-size:21px}
.scenario h3{margin:20px 0 8px}.scenario p{margin:0;color:var(--muted)}
.process{background:#fff}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-step{position:relative;padding:30px 24px 10px;border-right:1px solid var(--line)}
.process-step:last-child{border-right:0}.process-step b{color:var(--blue);font-size:13px}.process-step h3{margin:12px 0 8px}.process-step p{color:var(--muted);font-size:14px}
.quote-section{background:#e9f5f2}
.quote-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
.quote-mark{font-size:92px;color:var(--blue);font-family:Georgia;line-height:.7}.quote blockquote{margin:0;font-size:24px;line-height:1.65;font-weight:750;letter-spacing:-.03em}.quote cite{display:block;margin-top:20px;color:var(--muted);font-style:normal}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
.faq-list details{padding:19px 0;border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;font-weight:800;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--blue);font-size:22px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:12px 32px 0 0;color:var(--muted)}
.cta{padding:72px 0}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:42px 48px;border-radius:var(--radius-lg);background:var(--blue);color:#fff;box-shadow:var(--shadow)}
.cta-box h2{margin-bottom:8px}.cta-box p{margin:0;color:#d9e7ff}.cta-box .btn-primary{flex:none}
footer{color:#c5d1e1;background:var(--navy);padding-top:60px}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px}
.footer-brand .brand{color:#fff}.footer-brand p{max-width:330px;margin-top:20px;color:#95a8c2;font-size:14px}.footer-col h3{font-size:14px;color:#fff;margin:7px 0 15px}.footer-col a{display:block;margin:8px 0;color:#9eafc6;font-size:13px;transition:var(--ease)}.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:22px 0;border-top:1px solid var(--line-dark);color:#8194af;font-size:12px}.footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}.footer-bottom a:hover{color:var(--lime)}
@media(max-width:1024px){.nav{gap:16px}.nav-links a{padding:10px 7px;font-size:12px}.search{width:130px}.page-hero-inner,.pain-grid,.booking-layout,.quote-layout,.faq-grid{gap:32px}.section{padding:76px 0}}
@media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav{height:68px}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:24px;bottom:7px}.nav-tools{margin-left:auto}.search{display:none}.menu-toggle{display:block}.page-hero{padding:60px 0}.page-hero-inner,.pain-grid,.solution-layout,.team-showcase,.booking-layout,.quote-layout,.faq-grid{grid-template-columns:1fr}.page-hero h1{font-size:46px}.hero-note{max-width:560px}.pain-copy{padding:0}.issue-list,.scenario-grid{grid-template-columns:1fr 1fr}.team-main{min-height:330px}.time-grid{grid-template-columns:repeat(4,1fr)}.process-row{grid-template-columns:1fr 1fr}.process-step:nth-child(2){border-right:0}.process-step{border-bottom:1px solid var(--line)}.footer-main{grid-template-columns:1.4fr 1fr 1fr}.footer-col:last-child{display:none}.cta-box{padding:34px 28px;align-items:flex-start;flex-direction:column}}
@media(max-width:520px){h2{font-size:30px}.section{padding:62px 0}.section-head{display:block;margin-bottom:28px}.section-intro{margin-top:12px}.page-hero h1{font-size:39px}.page-hero p{font-size:15px}.issue-list,.scenario-grid{grid-template-columns:1fr}.solution-image{min-height:260px}.team-main{min-height:280px}.team-caption{left:20px;right:20px}.team-caption h3{font-size:23px}.time-grid{grid-template-columns:repeat(2,1fr)}.booking-form{display:block}.booking-form input{width:100%;margin-bottom:10px}.booking-form .btn{width:100%}.process-row{grid-template-columns:1fr}.process-step{border-right:0}.footer-main{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-bottom:10px;gap:8px 14px}.cta-box h2{font-size:28px}}

/* roulang page: category3 */
:root{
      --ink:#0b1426;
      --navy:#111e38;
      --navy-2:#172946;
      --blue:#2d7cff;
      --blue-2:#63a1ff;
      --cyan:#53d9d0;
      --lime:#b9ec67;
      --orange:#ffb65c;
      --paper:#f5f8fc;
      --white:#fff;
      --muted:#6d7b91;
      --line:#dfe6ef;
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(22,42,74,.10);
      --shadow-dark:0 24px 65px rgba(5,15,33,.30);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;min-width:320px;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,h4,p{margin:0}
    ul{margin:0;padding:0;list-style:none}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
    .section{padding:92px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:38px}
    .section-head h2{margin-top:13px;font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.045em}
    .section-intro{max-width:560px;color:var(--muted);font-size:16px}
    .btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap}
    .btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
    .btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
    .btn-dark{color:#fff;background:var(--navy)}
    .btn-dark:hover{transform:translateY(-3px);background:#20365d}
    .btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;z-index:50;top:0;background:rgba(245,248,252,.9);border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)}
    .nav{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
    .nav-links{display:flex;align-items:center;gap:2px;flex:1}
    .nav-links a{position:relative;padding:10px 11px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--navy)}
    .nav-links a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
    .search svg{width:16px;flex:none}
    .search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
    .hero{position:relative;overflow:hidden;padding:82px 0 76px;color:#fff;background:#0d1b34 url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,17,35,.98),rgba(10,25,51,.82) 53%,rgba(11,24,46,.55))}
    .hero:after{content:"";position:absolute;width:460px;height:460px;right:-210px;top:-190px;border:1px solid rgba(99,161,255,.28);border-radius:50%;box-shadow:0 0 0 48px rgba(99,161,255,.04),0 0 0 100px rgba(99,161,255,.03)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:64px;align-items:center}
    .hero-copy{max-width:650px}
    .hero .eyebrow{color:var(--cyan)}
    .hero .eyebrow:before{background:var(--cyan)}
    .hero h1{margin:18px 0 22px;font-size:clamp(40px,5.5vw,70px);line-height:1.12;letter-spacing:-.06em;font-weight:950}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-desc{max-width:620px;color:#c7d2e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
    .hero .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:var(--cyan)}
    .profile-panel{padding:26px;border:1px solid rgba(255,255,255,.16);border-radius:26px;background:rgba(20,43,79,.8);box-shadow:var(--shadow-dark);backdrop-filter:blur(10px)}
    .profile-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}
    .profile-id{display:flex;align-items:center;gap:14px}
    .avatar{width:56px;height:56px;display:grid;place-items:center;border-radius:18px;color:#0b1a31;background:var(--lime);font-size:25px;font-weight:950}
    .profile-name{font-size:18px;font-weight:850}
    .profile-role{color:#9fb0c8;font-size:12px}
    .follow{padding:8px 14px;border:1px solid rgba(185,236,103,.45);border-radius:999px;color:var(--lime);background:rgba(185,236,103,.08);font-size:12px;font-weight:800}
    .data-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .data-badge{padding:16px 12px;border-radius:16px;background:rgba(255,255,255,.08)}
    .data-badge strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .data-badge span{display:block;margin-top:5px;color:#9fb0c8;font-size:11px}
    .live-strip{display:flex;align-items:center;gap:9px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line-dark);color:#c7d2e3;font-size:12px}
    .live-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(83,217,208,.12)}
    .signal-section{padding:25px 0;background:var(--navy)}
    .signal-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;color:#fff}
    .signal-item{padding:8px 30px;border-right:1px solid var(--line-dark)}
    .signal-item:first-child{padding-left:0}
    .signal-item:last-child{border-right:0}
    .signal-item strong{display:block;color:var(--lime);font-size:25px;line-height:1.3}
    .signal-item span{color:#9fb0c8;font-size:12px}
    .score-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}
    .score-board{overflow:hidden;border-radius:24px;background:var(--navy);box-shadow:var(--shadow-dark)}
    .board-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;color:#fff;border-bottom:1px solid var(--line-dark)}
    .board-head small{color:#94a8c3}
    .score-item{display:grid;grid-template-columns:76px 1fr 70px 76px;gap:14px;align-items:center;padding:19px 24px;border-bottom:1px solid var(--line-dark);color:#fff}
    .score-item:last-child{border-bottom:0}
    .score-time{color:#9db0c9;font-size:12px}
    .score-team{font-weight:750}
    .score-team span{display:block;color:#8296b4;font-size:11px;font-weight:500}
    .score-num{font-size:22px;font-weight:900;text-align:center}
    .status{justify-self:end;padding:5px 9px;border-radius:8px;color:var(--lime);background:rgba(185,236,103,.1);font-size:11px;font-weight:800}
    .status.done{color:#9eb2cd;background:rgba(255,255,255,.08)}
    .insight-card{padding:28px;border-radius:24px;background:#fff;box-shadow:var(--shadow)}
    .insight-card h3{font-size:23px;line-height:1.35}
    .insight-card p{margin-top:12px;color:var(--muted)}
    .meter{margin-top:24px}
    .meter-line{display:flex;justify-content:space-between;margin-bottom:8px;font-size:12px;font-weight:750}
    .meter-line span:last-child{color:var(--blue)}
    .meter-track{height:9px;overflow:hidden;border-radius:99px;background:#edf1f6}
    .meter-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .split-section{background:#edf3f8}
    .split-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center}
    .split-copy h2{margin:15px 0 18px;font-size:clamp(28px,4vw,45px);line-height:1.22;letter-spacing:-.05em}
    .split-copy p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:14px;margin-top:25px}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#34435b}
    .check-list b{display:grid;place-items:center;width:23px;height:23px;flex:none;border-radius:50%;color:#0b1a31;background:var(--lime);font-size:12px}
    .compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .compare-card{padding:25px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:var(--ease)}
    .compare-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .compare-card.featured{background:var(--navy);color:#fff;border-color:var(--navy)}
    .compare-card h3{margin:15px 0 7px;font-size:20px}
    .compare-card p{color:var(--muted);font-size:13px}
    .compare-card.featured p{color:#a9bad1}
    .mini-chart{display:flex;align-items:end;gap:7px;height:82px;margin-top:22px}
    .mini-chart i{display:block;flex:1;border-radius:6px 6px 2px 2px;background:#dce8f8}
    .featured .mini-chart i{background:#406ca7}
    .mini-chart i:nth-child(1){height:38%}.mini-chart i:nth-child(2){height:60%}.mini-chart i:nth-child(3){height:47%}.mini-chart i:nth-child(4){height:78%}.mini-chart i:nth-child(5){height:92%}
    .visual-section{padding-top:30px}
    .visual-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
    .visual-image{min-height:390px;overflow:hidden;border-radius:28px;background:#17325e}
    .visual-image img{width:100%;height:100%;object-fit:cover}
    .visual-copy{padding:38px;border-radius:28px;background:#fff;box-shadow:var(--shadow)}
    .visual-copy h2{margin:14px 0 18px;font-size:35px;line-height:1.3}
    .visual-copy p{color:var(--muted)}
    .metric-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
    .metric{padding-top:15px;border-top:2px solid var(--line)}
    .metric strong{display:block;color:var(--blue);font-size:28px}
    .metric span{color:var(--muted);font-size:12px}
    .steps-section{background:var(--navy);color:#fff}
    .steps-section .section-intro{color:#a9bad1}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:25px 20px;min-height:190px;border:1px solid var(--line-dark);border-radius:20px;background:rgba(255,255,255,.06)}
    .step-no{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.1em}
    .step h3{margin:30px 0 8px;font-size:18px}
    .step p{color:#a9bad1;font-size:13px;line-height:1.75}
    .scenario-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:28px}
    .scenario-intro{padding:34px;border-radius:25px;background:url("/assets/images/coverpic/cover-6.webp") center/cover;position:relative;overflow:hidden;color:#fff}
    .scenario-intro:before{content:"";position:absolute;inset:0;background:rgba(10,27,53,.78)}
    .scenario-intro>*{position:relative}
    .scenario-intro h2{margin:16px 0;font-size:34px;line-height:1.25}
    .scenario-intro p{color:#c6d3e5}
    .scenario-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .scenario-card{padding:23px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:var(--ease)}
    .scenario-card:hover{border-color:#a8c8ff;box-shadow:var(--shadow);transform:translateY(-3px)}
    .scenario-card b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;color:#09203c;background:#dff4c1}
    .scenario-card h3{margin:14px 0 5px;font-size:17px}
    .scenario-card p{color:var(--muted);font-size:13px}
    .quote-section{padding-top:65px;padding-bottom:65px}
    .quote-box{display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:center;padding:38px 42px;border-radius:28px;background:#e3efff}
    .quote-box blockquote{margin:0;font-size:25px;line-height:1.55;font-weight:750;letter-spacing:-.03em}
    .quote-box cite{display:block;margin-top:17px;color:var(--muted);font-size:13px;font-style:normal}
    .quote-data{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .quote-data div{padding:17px;border-radius:16px;background:rgba(255,255,255,.75)}
    .quote-data strong{display:block;font-size:25px;color:var(--blue)}
    .quote-data span{font-size:12px;color:var(--muted)}
    .faq-section{background:#fff}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}
    .faq-title h2{margin-top:14px;font-size:40px;line-height:1.25}
    .faq-title p{margin-top:17px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{padding:19px 22px;border:1px solid var(--line);border-radius:16px;background:#fbfcfe}
    details[open]{border-color:#b7d0f7;background:#f5f9ff}
    summary{cursor:pointer;list-style:none;font-weight:800;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{padding-top:12px;color:var(--muted);font-size:14px}
    .cta-section{padding:40px 0 95px}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 44px;border-radius:28px;background:var(--navy);color:#fff;box-shadow:var(--shadow-dark)}
    .cta-box h2{font-size:32px;line-height:1.3}
    .cta-box p{margin-top:8px;color:#adbed5}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    footer{color:#bfccdc;background:#0b172d}
    .footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:66px 0 48px}
    .footer-brand .brand{color:#fff}
    .footer-brand p{max-width:310px;margin-top:18px;color:#8fa2bd;font-size:13px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{margin-bottom:8px;color:#fff;font-size:14px}
    .footer-col a{color:#8fa2bd;font-size:13px;transition:var(--ease)}
    .footer-col a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:24px;padding:20px 0 25px;border-top:1px solid var(--line-dark);color:#778ba7;font-size:12px}
    .footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}
    .footer-bottom a:hover{color:var(--lime)}
    :focus-visible{outline:3px solid rgba(83,217,208,.8);outline-offset:3px}
    @media(max-width:1100px){
      .nav{gap:15px}.nav-links a{padding-left:7px;padding-right:7px;font-size:12px}.search{width:130px}
      .hero-inner{gap:35px}.container{width:min(100% - 36px,1180px)}
    }
    @media(max-width:850px){
      .menu-toggle{display:block}.nav-tools .btn{display:none}.search{display:none}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:70px;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:25px;bottom:7px}
      .hero-inner,.score-layout,.split-layout,.visual-wrap,.scenario-layout,.faq-grid,.quote-box{grid-template-columns:1fr}
      .hero{padding-top:65px}.profile-panel{max-width:600px}.steps{grid-template-columns:repeat(2,1fr)}
      .signal-row{grid-template-columns:repeat(3,1fr)}.signal-item{padding:8px 16px}
      .footer-main{grid-template-columns:1.5fr 1fr 1fr}
      .footer-col:last-child{grid-column:3}
    }
    @media(max-width:560px){
      .container{width:calc(100% - 30px)}.section{padding:68px 0}.section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:15px;font-size:14px}.hero h1{font-size:42px}.hero-desc{font-size:15px}
      .hero-actions .btn{width:100%}.data-badges{gap:7px}.data-badge{padding:13px 8px}.data-badge strong{font-size:21px}
      .signal-row{display:block}.signal-item{padding:13px 0;border-right:0;border-bottom:1px solid var(--line-dark)}
      .signal-item:last-child{border-bottom:0}.score-item{grid-template-columns:52px 1fr 46px 57px;gap:7px;padding:17px 14px;font-size:13px}
      .board-head{padding:18px}.compare-grid,.scenario-list,.metric-list{grid-template-columns:1fr}.visual-image{min-height:250px}
      .visual-copy{padding:26px}.steps{grid-template-columns:1fr}.step{min-height:0}
      .quote-box{padding:27px 23px}.quote-box blockquote{font-size:20px}.cta-box{display:block;padding:29px 25px}.cta-box h2{font-size:27px}
      .cta-actions{margin-top:23px}.cta-actions .btn{width:100%}.footer-main{grid-template-columns:1fr 1fr;gap:30px;padding-top:48px}
      .footer-brand{grid-column:1/-1}.footer-col:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom div{margin-bottom:11px;gap:8px 14px}
    }

/* roulang page: category5 */
:root{
 --ink:#0b1426;
 --navy:#111e38;
 --navy-2:#172946;
 --blue:#2d7cff;
 --blue-2:#63a1ff;
 --cyan:#53d9d0;
 --lime:#b9ec67;
 --orange:#ffb65c;
 --paper:#f5f8fc;
 --white:#fff;
 --muted:#6d7b91;
 --line:#dfe6ef;
 --line-dark:rgba(255,255,255,.14);
 --radius-sm:12px;
 --radius-md:20px;
 --radius-lg:30px;
 --shadow:0 18px 50px rgba(22,42,74,.10);
 --shadow-dark:0 24px 65px rgba(5,15,33,.30);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;min-width:320px;color:var(--ink);background:var(--paper);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{
 position:sticky;z-index:50;top:0;background:rgba(245,248,252,.88);
 border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)
}
.nav{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
.nav-tools{display:flex;align-items:center;gap:10px}
.search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
.search svg{width:16px;flex:none}
.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
.btn{
 min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
 border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap
}
.btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
.btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
.btn-dark{color:#fff;background:var(--navy)}
.btn-dark:hover{transform:translateY(-3px);background:#20365d}
.btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
.section{padding:92px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{margin:14px 0 0;font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em}
.section-intro{max-width:570px;color:var(--muted);font-size:16px}
.hero{
 position:relative;overflow:hidden;padding:82px 0 76px;color:#fff;
 background:#0d1b34 url("/assets/images/backpic/back-2.webp") center/cover no-repeat
}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,17,35,.98),rgba(10,25,51,.78) 58%,rgba(11,24,46,.45))}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .92fr;gap:68px;align-items:center}
.hero-copy{max-width:650px}
.hero .eyebrow{color:var(--cyan)}
.hero .eyebrow:before{background:var(--cyan)}
.hero h1{margin:20px 0 22px;font-size:clamp(42px,6vw,72px);line-height:1.13;letter-spacing:-.06em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-desc{max-width:610px;color:#c7d2e3;font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:var(--cyan)}
.hero-note{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:#aebed4;font-size:13px}
.preview{
 overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:26px;background:rgba(16,35,67,.72);
 box-shadow:var(--shadow-dark);backdrop-filter:blur(10px)
}
.preview-image{height:220px;position:relative;background:url("/assets/images/coverpic/cover-5.webp") center/cover}
.preview-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,15,33,.8),transparent 65%)}
.live-badge{position:absolute;z-index:1;top:18px;left:18px;padding:5px 10px;border-radius:999px;color:#1a2410;background:var(--lime);font-size:11px;font-weight:900}
.preview-label{position:absolute;z-index:1;left:22px;bottom:17px;font-size:19px;font-weight:900}
.preview-body{padding:22px 24px}
.preview-body p{margin:0 0 18px;color:#aab9cd;font-size:13px}
.timer{display:flex;gap:10px;margin-bottom:20px}
.timer-box{min-width:60px;padding:8px 7px;text-align:center;border:1px solid rgba(255,255,255,.13);border-radius:12px;background:rgba(255,255,255,.06)}
.timer-box strong{display:block;color:#fff;font-size:22px;line-height:1.15}
.timer-box span{color:#8ea2bd;font-size:10px}
.countdown-section{padding:23px 0;background:var(--navy);color:#fff}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}
.countdown-inner p{margin:0;color:#b9c7d9;font-size:14px}
.countdown-inner strong{color:var(--cyan)}
.tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:230px 230px;gap:18px}
.topic-card{position:relative;overflow:hidden;border-radius:22px;padding:26px;background:#fff;border:1px solid var(--line);transition:var(--ease)}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.topic-card.featured{grid-row:span 2;color:#fff;background:url("/assets/images/coverpic/cover-6.webp") center/cover}
.topic-card.featured:before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,39,77,.42),rgba(7,17,35,.92))}
.topic-card > *{position:relative;z-index:1}
.topic-card h3{margin:14px 0 8px;font-size:22px;line-height:1.35}
.topic-card p{margin:0;color:var(--muted);font-size:13px}
.topic-card.featured p{color:#d1dced}
.topic-arrow{position:absolute!important;right:24px;bottom:22px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#eef4fb;color:var(--blue);font-weight:900}
.topic-card.featured .topic-arrow{background:var(--lime);color:var(--navy)}
.split-section{background:#fff}
.split-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.image-frame{position:relative;padding:14px;border-radius:30px;background:#eaf0f7}
.image-frame img{width:100%;height:430px;object-fit:cover;border-radius:21px}
.image-stamp{position:absolute;right:-18px;bottom:28px;width:170px;padding:17px;border-radius:18px;color:#fff;background:var(--navy);box-shadow:var(--shadow-dark)}
.image-stamp strong{display:block;color:var(--lime);font-size:28px;line-height:1.2}
.split-copy h2{margin:14px 0 20px;font-size:clamp(30px,4vw,48px);line-height:1.22}
.split-copy>p{color:var(--muted);font-size:16px}
.check-list{display:grid;gap:14px;margin:26px 0 30px;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list i{width:23px;height:23px;display:grid;place-items:center;flex:none;border-radius:50%;background:#e7f8d0;color:#4e7d1e;font-style:normal;font-weight:900}
.check-list span{color:#3d4b62}
.flow-section{background:#eef4f9}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-item{position:relative;padding:25px 22px;min-height:190px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.flow-number{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.1em}
.flow-item h3{margin:18px 0 8px;font-size:18px}
.flow-item p{margin:0;color:var(--muted);font-size:13px}
.flow-item:not(:last-child):after{content:"→";position:absolute;right:-18px;top:76px;color:var(--blue);font-size:22px;font-weight:900;z-index:2}
.data-section{background:var(--navy);color:#fff}
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.data-section .section-intro{color:#afbdd1}
.data-section h2{font-size:clamp(30px,4vw,48px);line-height:1.25}
.data-panel{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.data-card{padding:25px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.06)}
.data-card strong{display:block;color:var(--lime);font-size:34px;line-height:1.2}
.data-card span{color:#aebdd1;font-size:13px}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quote-card{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 32px rgba(22,42,74,.05)}
.quote-card:nth-child(2){background:#e9f5f4}
.quote-card p{margin:0 0 22px;font-size:18px;line-height:1.8;color:#253650}
.quote-person{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
.avatar{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;color:var(--navy);background:var(--lime);font-weight:900}
.faq-section{background:#fff}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:74px}
.faq-grid h2{margin:15px 0;font-size:clamp(30px,4vw,46px);line-height:1.25}
.faq-grid>div>p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
details{border-bottom:1px solid var(--line);padding:17px 0}
summary{display:flex;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font-size:16px;font-weight:800}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--blue);font-size:24px;font-weight:400;line-height:1}
details[open] summary:after{content:"−"}
details p{margin:12px 30px 0 0;color:var(--muted);font-size:14px}
.cta{padding:74px 0;background:linear-gradient(110deg,#19345d,#111e38);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta h2{margin:12px 0 8px;font-size:clamp(28px,4vw,45px);line-height:1.25}
.cta p{margin:0;color:#b7c5d8;max-width:620px}
footer{background:#0b1426;color:#c5d0df}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding:65px 0 48px}
.footer-brand .brand{color:#fff;margin-bottom:17px}
.footer-brand p{max-width:320px;margin:0;color:#8fa0b7;font-size:13px}
.footer-col{display:grid;align-content:start;gap:9px}
.footer-col h3{margin:0 0 9px;color:#fff;font-size:14px}
.footer-col a{color:#91a1b7;font-size:13px;transition:var(--ease)}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:#718198}
.footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--cyan)}
:focus-visible{outline:3px solid rgba(83,217,208,.75);outline-offset:3px}
@media(max-width:1100px){
 .nav{gap:16px}.nav-links a{padding-left:8px;padding-right:8px;font-size:12px}.search{width:130px}
 .hero-inner{gap:38px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card.featured{grid-row:span 2}
}
@media(max-width:820px){
 .container{width:min(100% - 36px,680px)}
 .nav{height:70px}.nav-links{display:none;position:absolute;left:18px;right:18px;top:78px;flex-direction:column;align-items:stretch;padding:10px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.98);box-shadow:var(--shadow)}
 .nav-links.open{display:flex}.nav-links a{padding:11px 14px}.nav-links a.active:after{left:14px;right:auto;width:28px;bottom:5px}
 .search,.nav-tools .btn{display:none}.menu-toggle{display:block}
 .hero{padding:65px 0}.hero-inner,.split-grid,.data-grid,.faq-grid{grid-template-columns:1fr;gap:38px}
 .hero h1{font-size:clamp(40px,10vw,60px)}
 .preview{max-width:600px}.section{padding:70px 0}.section-head{display:block;margin-bottom:30px}.section-intro{margin-top:16px}
 .flow-grid{grid-template-columns:1fr 1fr}.flow-item:not(:last-child):after{display:none}
 .cta-inner{display:block}.cta .btn{margin-top:24px}
 .footer-main{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:520px){
 .container{width:calc(100% - 30px)}.brand{font-size:20px}.hero{padding:52px 0 58px}
 .hero-desc{font-size:15px}.hero-actions .btn{width:100%}.preview-image{height:180px}
 .countdown-inner{display:block}.countdown-inner .btn{margin-top:15px}
 .topic-grid{display:flex;flex-direction:column}.topic-card,.topic-card.featured{min-height:210px}
 .image-frame img{height:300px}.image-stamp{right:12px;bottom:22px}
 .flow-grid,.data-panel,.quote-grid{grid-template-columns:1fr}
 .data-card strong{font-size:29px}.footer-main{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom>div{margin-top:10px;gap:10px 14px}
}

/* roulang page: category4 */
:root{
      --ink:#0b1426;
      --navy:#111e38;
      --navy-2:#172946;
      --blue:#2d7cff;
      --blue-2:#63a1ff;
      --cyan:#53d9d0;
      --lime:#b9ec67;
      --orange:#ffb65c;
      --paper:#f5f8fc;
      --white:#ffffff;
      --muted:#6d7b91;
      --line:#dfe6ef;
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(22,42,74,.10);
      --shadow-dark:0 24px 65px rgba(5,15,33,.30);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:15px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(185,236,103,.55);color:var(--ink)}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
    .section{padding:96px 0}
    .section.compact{padding:64px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:40px}
    .section-head h2{margin-top:14px;font-size:clamp(28px,3vw,44px);line-height:1.22;letter-spacing:-.04em;color:var(--navy)}
    .section-intro{max-width:590px;color:var(--muted);font-size:16px}
    .btn{
      min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap
    }
    .btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
    .btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
    .btn-dark{color:#fff;background:var(--navy)}
    .btn-dark:hover{transform:translateY(-3px);background:#20365d}
    .btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{
      position:sticky;z-index:50;top:0;background:rgba(245,248,252,.88);
      border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)
    }
    .nav{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--navy)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}
    .search svg{width:16px;flex:none}
    .search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
    .quick-link{height:40px;padding:0 14px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--navy);font-size:12px;font-weight:800;transition:var(--ease)}
    .quick-link:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
    .page-hero{
      position:relative;overflow:hidden;color:#fff;background:#0d1b34 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      padding:74px 0 72px;
    }
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,17,35,.97),rgba(12,28,54,.86) 54%,rgba(18,39,72,.62))}
    .page-hero:after{content:"";position:absolute;right:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(83,217,208,.18),rgba(83,217,208,0) 68%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
    .hero-panel{padding:34px;border:1px solid var(--line-dark);border-radius:var(--radius-lg);background:rgba(12,29,56,.72);box-shadow:var(--shadow-dark);backdrop-filter:blur(18px)}
    .page-hero .eyebrow{color:var(--cyan)}
    .page-hero .eyebrow:before{background:var(--cyan)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.06em;margin:18px 0 22px}
    .hero-lead{color:#cad6e8;font-size:17px;max-width:650px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
    .hero-note{padding:16px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
    .hero-note strong{display:block;color:#fff;font-size:21px;line-height:1.2}
    .hero-note span{display:block;margin-top:4px;color:#9fb1ca;font-size:12px}
    .rank-card{border-radius:var(--radius-lg);background:#fff;color:var(--ink);overflow:hidden;box-shadow:var(--shadow-dark)}
    .rank-top{padding:22px 24px;background:linear-gradient(135deg,#f8fbff,#e9f2ff);border-bottom:1px solid var(--line)}
    .rank-top h2{font-size:22px;color:var(--navy);letter-spacing:-.03em}
    .rank-top p{margin-top:5px;color:var(--muted);font-size:13px}
    .rank-head,.rank-row{display:grid;grid-template-columns:42px 1fr 78px 72px;align-items:center;gap:10px}
    .rank-head{padding:12px 20px;color:#8390a3;font-size:12px;font-weight:800;background:#f6f8fb}
    .rank-row{padding:16px 20px;border-top:1px solid var(--line);font-size:13px}
    .rank-row:hover{background:#f8fbff}
    .rank-num{width:28px;height:28px;display:grid;place-items:center;border-radius:10px;background:#edf3ff;color:var(--blue);font-weight:950}
    .rank-row:first-of-type .rank-num{background:var(--lime);color:#12213d}
    .rank-name strong{display:block;color:var(--navy);font-size:14px}
    .rank-name span,.rank-meta{display:block;color:#8a98ac;font-size:12px}
    .up{color:#16a36a;font-weight:900}
    .split{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:stretch}
    .pain-card{padding:32px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}
    .pain-card.dark{background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:420px}
    .pain-card.dark p{color:#bdc9da;margin-top:14px}
    .pain-list{display:grid;gap:14px}
    .pain-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}
    .pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .icon{width:44px;height:44px;display:grid;place-items:center;border-radius:15px;background:#edf3ff;color:var(--blue);font-weight:950}
    .pain-item h3{font-size:18px;color:var(--navy)}
    .pain-item p{margin-top:5px;color:var(--muted)}
    .solution-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .solution-card{position:relative;overflow:hidden;min-height:270px;padding:28px;border-radius:26px;background:#f3f7fd;border:1px solid var(--line)}
    .solution-card.feature{grid-row:span 2;background:var(--navy);color:#fff}
    .solution-card.feature img{position:absolute;inset:auto 0 0 0;width:100%;height:56%;object-fit:cover;opacity:.45}
    .solution-card.feature .card-content{position:relative;z-index:1;max-width:460px}
    .solution-card h3{font-size:24px;line-height:1.25;color:inherit}
    .solution-card p{margin-top:12px;color:var(--muted)}
    .solution-card.feature p{color:#c3cede}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .pill{display:inline-flex;align-items:center;border-radius:999px;padding:7px 12px;background:#fff;border:1px solid var(--line);color:#526176;font-size:12px;font-weight:800}
    .solution-card.feature .pill{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#e8f0fb}
    .guide-layout{display:grid;grid-template-columns:300px 1fr;gap:24px}
    .guide-side{padding:26px;border-radius:var(--radius-lg);background:var(--navy);color:#fff;position:sticky;top:102px;align-self:start}
    .guide-side p{color:#bdc8d9;margin-top:12px}
    .guide-menu{display:grid;gap:10px;margin-top:24px}
    .guide-menu a{padding:12px 14px;border-radius:14px;color:#d7e2f1;background:rgba(255,255,255,.07);transition:var(--ease);font-weight:800}
    .guide-menu a:hover{background:rgba(185,236,103,.16);color:#fff;transform:translateX(3px)}
    .guide-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .guide-card{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 36px rgba(22,42,74,.06);transition:var(--ease)}
    .guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .guide-card h3{font-size:20px;color:var(--navy);margin:14px 0 8px}
    .guide-card p{color:var(--muted)}
    .scenario{background:linear-gradient(180deg,#f5f8fc,#eaf1fb)}
    .scenario-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center}
    .scenario-image{position:relative;overflow:hidden;border-radius:var(--radius-lg);min-height:470px;box-shadow:var(--shadow)}
    .scenario-image img{width:100%;height:100%;min-height:470px;object-fit:cover}
    .scenario-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,20,38,.55),rgba(11,20,38,0) 48%)}
    .image-caption{position:absolute;left:26px;right:26px;bottom:26px;z-index:1;color:#fff}
    .image-caption h3{font-size:28px}
    .image-caption p{color:#d6e1ef;margin-top:8px}
    .scenario-list{display:grid;gap:14px}
    .scenario-item{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .scenario-item h3{font-size:19px;color:var(--navy)}
    .scenario-item p{margin-top:6px;color:var(--muted)}
    .process{background:var(--navy);color:#fff}
    .process .section-head h2{color:#fff}
    .process .section-intro{color:#bdc8d9}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:26px;border-radius:24px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
    .step:before{content:attr(data-step);display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:var(--lime);color:#10203b;font-weight:950;margin-bottom:18px}
    .step h3{font-size:20px}
    .step p{margin-top:10px;color:#c1ccdc}
    .results-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .result-card{padding:28px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .result-card strong{font-size:42px;line-height:1;color:var(--blue);letter-spacing:-.06em}
    .result-card h3{margin-top:18px;font-size:20px;color:var(--navy)}
    .result-card p{margin-top:8px;color:var(--muted)}
    .voice-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
    .quote-card{padding:34px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .quote-card blockquote{font-size:24px;line-height:1.55;font-weight:850;color:var(--navy)}
    .quote-card cite{display:block;margin-top:22px;color:var(--muted);font-style:normal}
    .voice-list{display:grid;gap:14px}
    .voice-item{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .voice-item strong{display:block;color:var(--navy);font-size:18px}
    .voice-item span{display:block;margin-top:6px;color:var(--muted)}
    .faq{background:#fff;border-top:1px solid var(--line)}
    .faq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;background:#fff;color:var(--navy);font-weight:900;text-align:left;transition:var(--ease)}
    .faq-q:hover{background:#f8fbff;color:var(--blue)}
    .faq-q:focus{outline:3px solid rgba(45,124,255,.22);outline-offset:-3px}
    .faq-a{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-mark{width:28px;height:28px;display:grid;place-items:center;border-radius:10px;background:#edf3ff;color:var(--blue);flex:none}
    .faq-item.open .faq-mark{background:var(--blue);color:#fff}
    .cta{
      position:relative;overflow:hidden;padding:76px 0;color:#fff;background:#0d1b34 url("/assets/images/backpic/back-3.webp") center/cover no-repeat
    }
    .cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,20,38,.96),rgba(17,30,56,.76))}
    .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
    .cta h2{font-size:clamp(30px,4vw,50px);line-height:1.18;letter-spacing:-.05em}
    .cta p{max-width:680px;margin-top:16px;color:#c5d1e3;font-size:16px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    footer{background:#081327;color:#c6d1e1;padding-top:62px}
    .footer-main{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:34px;padding-bottom:42px}
    .footer-brand p{max-width:360px;margin-top:18px;color:#95a5bb}
    footer .brand{color:#fff}
    .footer-col h3{font-size:15px;color:#fff;margin-bottom:14px}
    .footer-col a{display:block;color:#95a5bb;margin:8px 0;transition:var(--ease)}
    .footer-col a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8fa0b7}
    .footer-bottom span{margin-right:16px}
    .footer-bottom a{margin-left:14px;color:#b8c6d8}
    .footer-bottom a:hover{color:var(--lime)}
    @media (max-width:1120px){
      .nav{gap:16px}
      .nav-links{position:fixed;left:24px;right:24px;top:88px;display:none;padding:16px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);grid-template-columns:repeat(2,1fr)}
      .nav-links.open{display:grid}
      .nav-links a{padding:12px 14px;border-radius:12px}
      .nav-links a.active:after{display:none}
      .nav-links a.active{background:#edf3ff;color:var(--blue)}
      .menu-toggle{display:grid;place-items:center}
      .search{width:190px}
      .hero-grid,.split,.solution-grid,.scenario-grid,.voice-wrap,.faq-grid{grid-template-columns:1fr}
      .guide-layout{grid-template-columns:1fr}
      .guide-side{position:relative;top:auto}
      .timeline,.results-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,1180px)}
      .section{padding:72px 0}
      .nav{height:70px}
      .nav-tools .quick-link,.search{display:none}
      .page-hero{padding:56px 0}
      .hero-panel{padding:24px}
      .hero-notes,.guide-cards,.timeline,.results-grid,.footer-main{grid-template-columns:1fr}
      .rank-head,.rank-row{grid-template-columns:34px 1fr 58px}
      .rank-head span:nth-child(3),.rank-row .rank-meta{display:none}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .cta-inner{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-bottom{display:block}
      .footer-bottom div+div{margin-top:12px}
      .footer-bottom span,.footer-bottom a{display:inline-block;margin:4px 10px 4px 0}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .section-head h2{font-size:28px}
      .hero-actions,.cta-actions{display:grid}
      .btn{width:100%}
      .rank-card{border-radius:22px}
      .pain-card,.solution-card,.guide-card,.quote-card{padding:22px}
      .quote-card blockquote{font-size:20px}
      .scenario-image,.scenario-image img{min-height:360px}
    }

/* roulang page: category6 */
:root{
      --ink:#0b1426;
      --navy:#111e38;
      --navy-2:#172946;
      --blue:#2d7cff;
      --blue-2:#63a1ff;
      --cyan:#53d9d0;
      --lime:#b9ec67;
      --orange:#ffb65c;
      --paper:#f5f8fc;
      --white:#ffffff;
      --muted:#6d7b91;
      --line:#dfe6ef;
      --line-dark:rgba(255,255,255,.14);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(22,42,74,.10);
      --shadow-dark:0 24px 65px rgba(5,15,33,.30);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:15px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(185,236,103,.6);color:#07172c}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em;
      text-transform:uppercase;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:4px}
    .section{padding:96px 0}
    .section-tight{padding:70px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:42px}
    .section-head h2{margin-top:14px}
    .section-intro{max-width:590px;color:var(--muted);font-size:16px}
    h1,h2,h3{line-height:1.18;color:var(--navy);letter-spacing:-.04em}
    h1{font-size:clamp(38px,5.4vw,68px);font-weight:950}
    h2{font-size:clamp(28px,3.5vw,46px);font-weight:930}
    h3{font-size:21px;font-weight:900}
    p{color:var(--muted)}
    .btn{
      min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:999px;font-weight:800;transition:var(--ease);white-space:nowrap
    }
    .btn-primary{color:#07172c;background:var(--lime);box-shadow:0 10px 24px rgba(185,236,103,.18)}
    .btn-primary:hover{transform:translateY(-3px);background:#d0f68e;box-shadow:0 14px 32px rgba(185,236,103,.28)}
    .btn-dark{color:#fff;background:var(--navy)}
    .btn-dark:hover{transform:translateY(-3px);background:#20365d}
    .btn-ghost{color:var(--navy);border:1px solid var(--line);background:#fff}
    .btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,.search:focus-within,.menu-toggle:focus-visible,input:focus-visible{outline:3px solid rgba(45,124,255,.25);outline-offset:3px}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{
      position:sticky;z-index:50;top:0;background:rgba(245,248,252,.88);
      border-bottom:1px solid rgba(223,230,239,.8);backdrop-filter:blur(18px)
    }
    .nav{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy);flex-shrink:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#0c1b33;background:var(--lime);font-size:16px;font-weight:950;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;transition:var(--ease);white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--navy)}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search{width:160px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);transition:var(--ease)}
    .search:hover{border-color:#c9d7ea;box-shadow:0 10px 26px rgba(24,46,82,.06)}
    .search svg{width:16px;flex:none}
    .search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy)}
    .hero-observe{
      position:relative;overflow:hidden;padding:74px 0 82px;color:#fff;
      background:#0d1b34 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }
    .hero-observe:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,35,.96),rgba(12,27,55,.86) 52%,rgba(17,38,72,.58))}
    .hero-observe:after{content:"";position:absolute;right:-120px;bottom:-150px;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(83,217,208,.2),rgba(83,217,208,0) 64%)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
    .hero-copy h1{margin:18px 0 22px;color:#fff}
    .hero-copy h1 em{font-style:normal;color:var(--lime)}
    .hero-desc{max-width:680px;color:#c9d4e5;font-size:17px;line-height:1.95}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-observe .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
    .hero-observe .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:var(--cyan)}
    .invite-panel{
      background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
      border-radius:var(--radius-lg);box-shadow:var(--shadow-dark);backdrop-filter:blur(18px);
      padding:28px;
    }
    .invite-panel h2{font-size:25px;color:#fff;margin:12px 0 8px}
    .invite-panel p{color:#b9c8dd}
    .reward-list{display:grid;gap:10px;margin:20px 0}
    .reward-item{display:flex;justify-content:space-between;gap:14px;padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);color:#eaf2ff}
    .reward-item strong{color:var(--lime)}
    .progress-wrap{margin:22px 0 18px}
    .progress-info{display:flex;align-items:center;justify-content:space-between;color:#d8e4f5;font-size:13px;font-weight:800;margin-bottom:10px}
    .progress-track{height:12px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
    .progress-bar{width:68%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--cyan));box-shadow:0 0 18px rgba(83,217,208,.35)}
    .invite-code{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding:13px 14px;border-radius:16px;background:#fff;color:var(--navy)}
    .invite-code span{font-weight:900;letter-spacing:.08em}
    .mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
    .mini-stat{padding:16px;border:1px solid var(--line-dark);border-radius:18px;background:rgba(255,255,255,.07)}
    .mini-stat b{display:block;color:#fff;font-size:24px;line-height:1.2}
    .mini-stat small{color:#adc0d8}
    .pain-band{background:#fff}
    .pain-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:start}
    .pain-card{
      padding:30px;border-radius:var(--radius-lg);background:var(--navy);color:#fff;position:sticky;top:104px;overflow:hidden;
      box-shadow:var(--shadow-dark)
    }
    .pain-card:after{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;background:rgba(99,161,255,.18)}
    .pain-card h2{color:#fff;margin:12px 0 14px}
    .pain-card p{color:#bac8dc}
    .pain-list{display:grid;gap:16px}
    .pain-row{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:23px;border-radius:22px;background:#f7faff;border:1px solid var(--line);transition:var(--ease)}
    .pain-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);background:#fff}
    .pain-row .num{width:54px;height:54px;display:grid;place-items:center;border-radius:18px;background:#edf3ff;color:var(--blue);font-weight:950}
    .pain-row h3{margin-bottom:7px}
    .solution-section{background:linear-gradient(180deg,#f5f8fc,#eaf1fb)}
    .solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .solution-media{position:relative;min-height:450px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
    .solution-media img{width:100%;height:100%;object-fit:cover}
    .solution-media:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,17,35,.62),rgba(7,17,35,.08))}
    .media-note{position:absolute;left:24px;right:24px;bottom:24px;z-index:1;padding:20px;border-radius:20px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px)}
    .media-note h3{margin-bottom:6px}
    .solution-stack{display:grid;gap:16px}
    .solution-card{padding:25px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 34px rgba(22,42,74,.06);transition:var(--ease)}
    .solution-card:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .solution-card h3{display:flex;align-items:center;gap:10px;margin:9px 0}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(83,217,208,.12)}
    .analysis-section{background:#fff}
    .analysis-board{
      display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:stretch;
    }
    .deep-card{
      padding:34px;border-radius:var(--radius-lg);background:#f7faff;border:1px solid var(--line);
    }
    .deep-card h2{margin:12px 0 16px}
    .deep-card p+p{margin-top:14px}
    .timeline{
      padding:28px;border-radius:var(--radius-lg);background:var(--navy);box-shadow:var(--shadow-dark);
    }
    .timeline h3{color:#fff;margin-bottom:18px}
    .time-item{position:relative;padding:0 0 20px 28px;border-left:1px solid rgba(255,255,255,.16)}
    .time-item:last-child{padding-bottom:0}
    .time-item:before{content:"";position:absolute;left:-7px;top:2px;width:13px;height:13px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 6px rgba(185,236,103,.12)}
    .time-item strong{display:block;color:#fff;margin-bottom:4px}
    .time-item p{color:#aebed4;font-size:14px}
    .method-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .method-list{display:grid;gap:14px}
    .method-item{display:flex;gap:15px;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:var(--ease)}
    .method-item:hover{border-color:#c8daf3;transform:translateY(-2px);box-shadow:var(--shadow)}
    .method-icon{width:42px;height:42px;flex:none;border-radius:14px;background:#edf3ff;color:var(--blue);display:grid;place-items:center;font-weight:950}
    .method-aside{padding:30px;border-radius:var(--radius-lg);background:#10203d;color:#fff;overflow:hidden;position:relative}
    .method-aside:before{content:"";position:absolute;inset:auto -50px -80px auto;width:220px;height:220px;border-radius:50%;background:rgba(83,217,208,.14)}
    .method-aside h2{color:#fff;margin:12px 0 14px}
    .method-aside p{color:#bdcbe0}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
    .metric{padding:20px;border-radius:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
    .metric b{display:block;color:var(--lime);font-size:28px}
    .metric span{color:#b4c4d9;font-size:13px}
    .results-section{background:#fff}
    .result-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:26px;align-items:center}
    .result-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
    .result-image img{width:100%;height:460px;object-fit:cover}
    .result-content{display:grid;gap:16px}
    .result-box{padding:24px;border-radius:24px;border:1px solid var(--line);background:#f8fbff}
    .result-box h3{margin-bottom:8px}
    .scenario-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .scenario-card{border-radius:24px;padding:24px;border:1px solid var(--line);background:#fff;box-shadow:0 12px 28px rgba(22,42,74,.05)}
    .scenario-card:nth-child(1){grid-column:span 5;background:#10203d;color:#fff}
    .scenario-card:nth-child(2){grid-column:span 7}
    .scenario-card:nth-child(3){grid-column:span 4}
    .scenario-card:nth-child(4){grid-column:span 4;background:#edf8f7}
    .scenario-card:nth-child(5){grid-column:span 4;background:#fff6e9}
    .scenario-card:nth-child(1) h3{color:#fff}
    .scenario-card:nth-child(1) p{color:#b8c7dc}
    .proof-section{background:linear-gradient(135deg,#111e38,#172946);color:#fff;position:relative;overflow:hidden}
    .proof-section h2,.proof-section h3{color:#fff}
    .proof-section .section-intro,.proof-section p{color:#b7c6db}
    .proof-section:before{content:"";position:absolute;left:-140px;top:-180px;width:430px;height:430px;border-radius:50%;background:rgba(45,124,255,.16)}
    .proof-grid{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .quote-card{padding:26px;border-radius:24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);transition:var(--ease)}
    .quote-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.12)}
    .quote-card p{margin:14px 0;color:#d3deee}
    .quote-person{display:flex;align-items:center;gap:12px;margin-top:16px}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:#07172c;font-weight:950}
    .quote-person strong{display:block;color:#fff}
    .quote-person span{font-size:12px;color:#9fb1ca}
    .compare-wrap{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
    .compare-row{display:grid;grid-template-columns:220px 1fr 1fr;border-bottom:1px solid var(--line)}
    .compare-row:last-child{border-bottom:0}
    .compare-row div{padding:20px}
    .compare-row .head{background:#f0f5fc;font-weight:900;color:var(--navy)}
    .compare-row .good{background:#f8fff0}
    .compare-row .weak{color:#7b8798}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:36px;align-items:start}
    .faq-panel{display:grid;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden;transition:var(--ease)}
    .faq-item:hover{box-shadow:0 14px 34px rgba(22,42,74,.06)}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;background:#fff;text-align:left;color:var(--navy);font-weight:900}
    .faq-q span:last-child{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#edf3ff;color:var(--blue);transition:var(--ease)}
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--blue);color:#fff}
    .cta-section{padding:90px 0;background:var(--paper)}
    .cta-card{
      position:relative;overflow:hidden;border-radius:34px;padding:46px;
      background:#0f203d url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff;
      box-shadow:var(--shadow-dark)
    }
    .cta-card:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,36,.96),rgba(16,38,72,.78))}
    .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
    .cta-card h2{color:#fff;margin:12px 0}
    .cta-card p{max-width:680px;color:#c4d0e3}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    footer{background:#071226;color:#fff;padding-top:64px}
    .footer-main{display:grid;grid-template-columns:1.35fr repeat(3,.75fr);gap:34px;padding-bottom:42px}
    .footer-brand p{max-width:360px;margin-top:18px;color:#9fb0c7}
    footer .brand{color:#fff}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:16px}
    .footer-col a{display:block;color:#9fb0c7;margin:9px 0;transition:var(--ease)}
    .footer-col a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:24px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);color:#8ea0b8;font-size:13px}
    .footer-bottom div{display:flex;gap:16px;flex-wrap:wrap}
    .footer-bottom a{color:#b9c7da;transition:var(--ease)}
    .footer-bottom a:hover{color:var(--lime)}
    @media (max-width:1100px){
      .nav{gap:14px}
      .nav-links{position:fixed;left:24px;right:24px;top:86px;display:none;flex-direction:column;align-items:stretch;padding:16px;border-radius:22px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .nav-links a.active:after{display:none}
      .menu-toggle{display:grid;place-items:center}
      .search{width:190px}
      .hero-inner,.pain-layout,.solution-grid,.analysis-board,.method-grid,.result-layout,.faq-layout,.cta-inner{grid-template-columns:1fr}
      .pain-card{position:relative;top:auto}
      .proof-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,1180px)}
      .section{padding:74px 0}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .hero-observe{padding:56px 0 66px}
      .mini-stats,.metric-strip{grid-template-columns:1fr}
      .scenario-card:nth-child(n){grid-column:span 12}
      .compare-row{grid-template-columns:1fr}
      .compare-row div{padding:16px}
      .footer-main{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .cta-card{padding:30px}
      .cta-actions{justify-content:flex-start}
      .nav-tools .btn{display:none}
      .search{width:148px}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      h2{font-size:28px}
      .brand{font-size:20px}
      .nav{height:68px}
      .search{display:none}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .invite-code{align-items:flex-start;flex-direction:column}
      .pain-row{grid-template-columns:1fr}
      .solution-media{min-height:340px}
      .result-image img{height:320px}
    }

/* roulang page: category7 */
:root{--ink:#0b1426;--navy:#111e38;--navy-2:#172946;--blue:#2d7cff;--blue-2:#63a1ff;--cyan:#53d9d0;--lime:#b9ec67;--orange:#ffb65c;--paper:#f5f8fc;--white:#fff;--muted:#6d7b91;--line:#dfe6ef;--line-dark:rgba(255,255,255,.14);--radius-sm:12px;--radius-md:20px;--radius-lg:30px;--shadow:0 18px 50px rgba(22,42,74,.10);--shadow-dark:0 24px 65px rgba(5,15,33,.30);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{border:0;cursor:pointer}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.25}.container{width:min(1180px,calc(100% - 48px));margin:auto}.section{padding:92px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.14em}.eyebrow:before{content:"";width:24px;height:2px;background:currentColor;border-radius:4px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}.section-head h2{margin-top:13px;font-size:clamp(28px,4vw,44px);letter-spacing:-.05em}.section-intro{max-width:510px;color:var(--muted);font-size:16px}.tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#edf3ff;color:var(--blue);font-size:12px;font-weight:850}.btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:850;white-space:nowrap;transition:var(--ease)}.btn-primary{background:var(--lime);color:#07172c;box-shadow:0 10px 24px rgba(185,236,103,.18)}.btn-primary:hover{transform:translateY(-3px);background:#d4f996}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{transform:translateY(-3px);background:#20365d}.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--navy)}.btn-ghost:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue)}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,248,252,.9);border-bottom:1px solid rgba(223,230,239,.9);backdrop-filter:blur(18px)}.nav{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;flex:none;font-size:22px;font-weight:950;letter-spacing:-.06em;color:var(--navy)}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--lime);color:#0c1b33;font-size:16px;box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}.nav-links{display:flex;align-items:center;gap:4px;flex:1}.nav-links a{position:relative;padding:10px 12px;color:#637188;font-size:13px;font-weight:750;white-space:nowrap;transition:var(--ease)}.nav-links a:hover,.nav-links a.active{color:var(--navy)}.nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:3px;background:var(--blue)}.nav-tools{display:flex;align-items:center;gap:10px}.search{width:152px;height:40px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--navy)}
.hero{position:relative;overflow:hidden;padding:84px 0;background:#0d1b34 url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,35,.97),rgba(10,25,51,.84),rgba(11,24,46,.6))}.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.hero .eyebrow{color:var(--cyan)}.hero h1{margin:18px 0;font-size:clamp(42px,6vw,70px);letter-spacing:-.07em}.hero h1 em{color:var(--lime);font-style:normal}.hero p{max-width:620px;color:#cad5e6;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero .btn-ghost{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff}.hero-panel{padding:25px;border:1px solid rgba(255,255,255,.17);border-radius:25px;background:rgba(18,41,78,.74);box-shadow:var(--shadow-dark);backdrop-filter:blur(12px)}.hero-panel h3{font-size:22px}.hero-panel p{margin:10px 0 20px;font-size:14px}.benefit{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line-dark);color:#d9e4f3}.benefit b{display:grid;place-items:center;width:26px;height:26px;flex:none;border-radius:9px;background:rgba(185,236,103,.17);color:var(--lime)}.benefit span{font-size:13px}.notice-bar{background:var(--navy);color:#dae4f1}.notice-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0}.notice-inner strong{color:var(--lime)}.notice-inner p{font-size:13px}
.split{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:center}.story-image{position:relative}.story-image img{width:100%;height:450px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}.story-badge{position:absolute;right:-22px;bottom:28px;width:170px;padding:19px;border-radius:18px;background:var(--navy);color:#fff;box-shadow:var(--shadow-dark)}.story-badge b{display:block;color:var(--lime);font-size:29px}.story-copy h2{margin:14px 0 20px;font-size:clamp(29px,4vw,45px);letter-spacing:-.05em}.story-copy>p{color:var(--muted);font-size:16px}.check-list{margin:24px 0;padding:0;list-style:none}.check-list li{position:relative;margin:11px 0;padding-left:29px}.check-list li:before{content:"✓";position:absolute;left:0;top:2px;display:grid;place-items:center;width:19px;height:19px;border-radius:50%;background:#e8f7ee;color:#21875f;font-size:12px;font-weight:900}
.update-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-update{position:relative;min-height:400px;overflow:hidden;padding:36px;display:flex;flex-direction:column;justify-content:end;border-radius:var(--radius-lg);color:#fff;background:var(--navy)}.feature-update img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}.feature-update:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,20,43,.96),rgba(8,20,43,.08))}.feature-update>*{position:relative;z-index:1}.feature-update h3{margin:14px 0 8px;font-size:29px}.feature-update p{color:#d2dced}.update-stack{display:grid;gap:18px}.update-card{padding:23px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;transition:var(--ease)}.update-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.update-card time{color:var(--blue);font-size:12px;font-weight:850}.update-card h3{margin:7px 0;font-size:19px}.update-card p{color:var(--muted);font-size:13px}.read-link{display:inline-flex;align-items:center;gap:7px;margin-top:13px;color:var(--blue);font-size:13px;font-weight:850}
.steps{background:#eaf1fa}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{position:relative;padding:24px;border-radius:var(--radius-md);background:#fff;border:1px solid #e4eaf2}.step-no{display:block;margin-bottom:32px;color:var(--blue);font-size:12px;font-weight:950;letter-spacing:.12em}.step h3{margin-bottom:9px;font-size:19px}.step p{color:var(--muted);font-size:13px}.step:hover{border-color:#b8d2ff;box-shadow:var(--shadow)}
.data-area{background:var(--navy);color:#fff}.data-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}.data-area .eyebrow{color:var(--cyan)}.data-area h2{margin:14px 0 17px;font-size:clamp(29px,4vw,43px)}.data-area p{color:#b9c8dc}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.metric{padding:23px;border:1px solid var(--line-dark);border-radius:18px;background:rgba(255,255,255,.055)}.metric b{display:block;color:var(--lime);font-size:31px;line-height:1.2}.metric span{color:#b8c6d9;font-size:13px}
news-list{display:block}.news-row{display:grid;grid-template-columns:125px 1fr auto;gap:26px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}.news-row:first-child{border-top:1px solid var(--line)}.news-date{color:var(--blue);font-weight:900}.news-date small{display:block;color:var(--muted);font-size:12px;font-weight:500}.news-row h3{font-size:20px}.news-row p{margin-top:6px;color:var(--muted);font-size:14px}.quote-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.quote-intro{padding:34px;border-radius:var(--radius-lg);background:#e9f4ff}.quote-intro h2{margin:13px 0;font-size:34px}.quote-intro p{color:var(--muted)}.quote{padding:32px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}.quote blockquote{margin:0;font-size:20px;line-height:1.8}.quote cite{display:block;margin-top:22px;color:var(--muted);font-size:13px;font-style:normal}.faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:65px}.faq-grid h2{margin-top:13px;font-size:38px}.faq-grid>div>p{color:var(--muted)}details{margin-bottom:12px;padding:18px 20px;border:1px solid var(--line);border-radius:15px;background:var(--paper)}summary{cursor:pointer;font-weight:850;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}details[open] summary:after{content:"－"}details p{margin:12px 0 0;color:var(--muted);font-size:14px}.cta{padding:72px 0}.cta-box{position:relative;overflow:hidden;padding:56px 62px;border-radius:var(--radius-lg);background:#255db9 url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}.cta-box:before{content:"";position:absolute;inset:0;background:rgba(14,46,100,.84)}.cta-box>*{position:relative;z-index:1}.cta-box h2{max-width:680px;font-size:clamp(31px,4vw,48px)}.cta-box p{max-width:650px;margin:15px 0 27px;color:#d7e5ff;font-size:16px}
footer{background:#0c172b;color:#bfcbdb}.footer-main{display:grid;grid-template-columns:1.65fr repeat(3,1fr);gap:35px;padding:66px 0 45px}.footer-brand p{max-width:330px;margin-top:16px;font-size:13px}.footer-brand .brand{color:#fff}.footer-col h3{margin-bottom:13px;color:#fff;font-size:14px}.footer-col a{display:block;margin:8px 0;color:#a9b8cb;font-size:13px;transition:var(--ease)}.footer-col a:hover{color:var(--lime);transform:translateX(3px)}.footer-bottom{display:flex;justify-content:space-between;gap:22px;padding:20px 0;border-top:1px solid var(--line-dark);font-size:12px}.footer-bottom span{margin-right:15px}.footer-bottom a{margin-left:15px;color:#d5e1ef}.footer-bottom a:hover{color:var(--lime)}
@media(max-width:1080px){.nav{gap:14px}.nav-links a{padding:10px 8px;font-size:12px}.search{display:none}.hero-inner,.split,.data-grid,.faq-grid{gap:38px}.process{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.container{width:min(100% - 32px,1180px)}.section{padding:68px 0}.menu-toggle{display:grid;place-items:center;margin-left:auto}.nav{height:68px}.nav-links{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-tools .btn{display:none}.hero{padding:65px 0}.hero-inner,.split,.update-layout,.data-grid,.faq-grid,.quote-wrap{grid-template-columns:1fr}.hero-panel{max-width:570px}.section-head{display:block}.section-intro{margin-top:14px}.story-image img{height:320px}.story-badge{right:16px}.news-row{grid-template-columns:1fr;gap:8px}.news-row .btn{justify-self:start}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.cta-box{padding:40px 28px}}@media(max-width:520px){.hero h1{font-size:40px}.hero p{font-size:15px}.process,.metric-grid{grid-template-columns:1fr}.feature-update{min-height:340px;padding:24px}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:4px 0}.footer-bottom a{margin:10px 14px 0 0;display:inline-block}.cta-box{padding:34px 23px}.notice-inner{align-items:flex-start;flex-direction:column}.nav-tools{margin-left:auto}}