/* roulang page: index */
:root{
            --ink:#17242b;
            --muted:#68777b;
            --paper:#f5f7f4;
            --white:#ffffff;
            --line:#dce5e0;
            --teal:#167c72;
            --teal-dark:#0e5a54;
            --mint:#d9eee7;
            --coral:#e57661;
            --gold:#d59b45;
            --shadow:0 16px 38px rgba(27,54,50,.09);
            --shadow-soft:0 8px 20px rgba(27,54,50,.06);
            --radius:18px;
            --radius-sm:11px;
            --container:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;height:auto}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(229,118,97,.42);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(245,247,244,.94);
            border-bottom:1px solid rgba(220,229,224,.9);
            backdrop-filter:blur(16px);
        }
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:235px}
        .brand-mark{
            width:40px;height:40px;border-radius:12px;background:var(--teal);
            color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;
            box-shadow:0 7px 16px rgba(22,124,114,.22)
        }
        .brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
        .brand-sub{display:block;color:var(--muted);font-size:11px;line-height:1.3;font-weight:500}
        .main-nav{display:flex;align-items:center;gap:7px}
        .main-nav a{
            color:#4c5e61;font-size:14px;padding:9px 14px;border-radius:9px;
            transition:.2s ease;
        }
        .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
        .nav-action{
            display:inline-flex;align-items:center;gap:8px;color:#fff!important;
            background:var(--coral)!important;padding:10px 16px!important;
            box-shadow:0 7px 16px rgba(229,118,97,.2)
        }
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
        .hero{
            position:relative;min-height:590px;display:flex;align-items:center;
            overflow:hidden;background:#183b3a;color:#fff;
        }
        .hero-media{position:absolute;inset:0;background:
            linear-gradient(90deg,rgba(14,42,40,.93) 0%,rgba(14,42,40,.72) 47%,rgba(14,42,40,.22) 100%),
            url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1800&q=88") center/cover}
        .hero-inner{position:relative;z-index:1;padding:88px 0 76px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b9e6d9;font-size:13px;font-weight:700;letter-spacing:1.2px}
        .eyebrow:before{content:"";width:26px;height:2px;background:var(--coral)}
        h1{max-width:720px;font-size:clamp(40px,5.8vw,76px);line-height:1.13;letter-spacing:0;font-weight:850;margin:20px 0 22px}
        h1 em{font-style:normal;color:#f3b89f}
        .hero-copy{max-width:630px;color:#d7e6e1;font-size:17px;line-height:1.9}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
        .btn{
            display:inline-flex;justify-content:center;align-items:center;gap:9px;
            min-height:46px;padding:11px 20px;border-radius:10px;font-weight:750;font-size:14px;
            transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent
        }
        .btn:hover{transform:translateY(-2px)}
        .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(229,118,97,.25)}
        .btn-primary:hover{background:#d76552}
        .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
        .btn-light:hover{background:rgba(255,255,255,.18)}
        .hero-facts{display:flex;gap:28px;margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
        .fact strong{display:block;color:#fff;font-size:23px;line-height:1.2}
        .fact span{font-size:12px;color:#b8d0c9}
        main{overflow:hidden}
        section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
        .section-kicker{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}
        h2{font-size:clamp(25px,3vw,38px);line-height:1.25;margin-top:8px;letter-spacing:0}
        .section-intro{max-width:590px;color:var(--muted);font-size:15px}
        .text-link{color:var(--teal-dark);font-size:14px;font-weight:800;white-space:nowrap}
        .text-link:after{content:"  →";color:var(--coral)}
        .light-band{background:#edf4f0}
        .feature-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}
        .feature-card{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
            padding:25px;min-height:188px;box-shadow:var(--shadow-soft);transition:.25s ease
        }
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .feature-icon{width:42px;height:42px;border-radius:12px;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;font-size:20px;margin-bottom:20px}
        .feature-card h3{font-size:19px;margin-bottom:9px}
        .feature-card p{font-size:14px;color:var(--muted);line-height:1.75}
        .schedule{display:grid;grid-template-columns:1.05fr 1.95fr;gap:26px;align-items:stretch}
        .schedule-copy{background:var(--teal);color:#fff;border-radius:var(--radius);padding:34px}
        .schedule-copy h2{margin:10px 0 16px}
        .schedule-copy p{color:#d1e8e0;font-size:14px}
        .schedule-meta{display:flex;gap:22px;margin-top:28px}
        .schedule-meta strong{display:block;font-size:25px}.schedule-meta span{font-size:12px;color:#bfe0d7}
        .time-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
        .time-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px 18px;display:flex;flex-direction:column;justify-content:space-between;min-height:152px;transition:.2s}
        .time-card:hover{border-color:var(--teal);box-shadow:var(--shadow-soft)}
        .time-card strong{font-size:21px}.time-card span{font-size:13px;color:var(--muted)}
        .time-card b{align-self:flex-start;margin-top:15px;color:var(--teal);font-size:12px;background:var(--mint);padding:3px 8px;border-radius:5px}
        .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .content-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s ease}
        .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
        .content-image{height:190px;position:relative;overflow:hidden;background:#d8e4e0}
        .content-image img{height:100%;object-fit:cover;transition:transform .45s ease}
        .content-card:hover .content-image img{transform:scale(1.05)}
        .badge{position:absolute;left:12px;top:12px;background:rgba(16,45,43,.9);color:#fff;padding:4px 8px;border-radius:5px;font-size:11px;font-weight:800}
        .badge.coral{background:var(--coral)}
        .content-body{padding:16px 17px 18px}
        .content-body h3{font-size:16px;line-height:1.45;margin-bottom:10px}
        .content-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}
        .rating{color:var(--gold);font-weight:800}
        .more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .more-card{display:grid;grid-template-columns:120px 1fr;gap:16px;background:#fff;border:1px solid var(--line);padding:12px;border-radius:14px;transition:.2s}
        .more-card:hover{box-shadow:var(--shadow-soft);border-color:#a9cbc0}
        .more-card img{height:128px;object-fit:cover;border-radius:9px}
        .more-card h3{font-size:16px;line-height:1.4;margin:5px 0 7px}
        .more-card p{font-size:12px;color:var(--muted);line-height:1.7}
        .category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
        .category-card{min-height:174px;padding:22px 19px;border:1px solid var(--line);background:#f8fbf9;border-radius:14px;transition:.2s}
        .category-card:hover{background:#fff;border-color:var(--teal);transform:translateY(-3px)}
        .category-card span{color:var(--coral);font-size:12px;font-weight:800}
        .category-card h3{font-size:18px;margin:13px 0 8px}
        .category-card p{font-size:13px;line-height:1.7;color:var(--muted)}
        .ranking-wrap{display:grid;grid-template-columns:1fr 1.35fr;gap:28px;align-items:start}
        .ranking-note{background:#183b3a;color:#fff;border-radius:var(--radius);padding:34px;min-height:350px}
        .ranking-note h2{margin:10px 0 15px}
        .ranking-note p{font-size:14px;color:#cce0db}
        .rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
        .rank-item{display:grid;grid-template-columns:42px 1fr 75px 52px;gap:13px;align-items:center;padding:13px 18px;border-bottom:1px solid #edf1ee}
        .rank-item:last-child{border-bottom:0}
        .rank-number{font-size:18px;font-weight:850;color:#9aa9a6}
        .rank-item:nth-child(-n+3) .rank-number{color:var(--coral)}
        .rank-title{font-size:14px;font-weight:750}
        .rank-tag{font-size:11px;color:var(--teal-dark);background:var(--mint);padding:3px 7px;border-radius:4px;justify-self:start}
        .heat{font-size:12px;color:var(--muted);text-align:right}.rank-score{font-size:13px;color:var(--gold);font-weight:800;text-align:right}
        .news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:25px}
        .news-lead{position:relative;min-height:350px;overflow:hidden;border-radius:var(--radius);color:#fff;background:#193f3c}
        .news-lead img{position:absolute;inset:0;height:100%;object-fit:cover;opacity:.7}
        .news-lead:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,42,40,.95),transparent 70%)}
        .news-lead-content{position:absolute;z-index:1;bottom:26px;left:27px;right:27px}
        .news-lead h3{font-size:25px;line-height:1.4;margin:9px 0}
        .news-lead p{font-size:13px;color:#d0e3dc}
        .news-list{display:grid;gap:12px}
        .news-item{display:grid;grid-template-columns:105px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;transition:.2s}
        .news-item:hover{border-color:var(--teal);transform:translateX(3px)}
        .news-item img{height:78px;object-fit:cover;border-radius:8px}
        .news-item h3{font-size:14px;line-height:1.5;margin:3px 0}
        .news-item time{font-size:11px;color:var(--muted)}
        .trust-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
        .trust-item{display:flex;gap:13px;align-items:flex-start}
        .trust-item strong{display:block;font-size:15px;margin-bottom:3px}.trust-item p{font-size:12px;color:var(--muted);line-height:1.6}
        .trust-dot{flex:0 0 34px;height:34px;border-radius:50%;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;font-weight:800}
        .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
        summary{cursor:pointer;font-weight:750;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:16px}
        summary:after{content:"＋";color:var(--teal);font-size:20px;line-height:1}
        details[open] summary:after{content:"－"}
        details p{color:var(--muted);font-size:13px;line-height:1.8;padding-top:13px}
        .final-cta{background:var(--coral);color:#fff;padding:52px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta-inner h2{margin:0 0 8px}.cta-inner p{color:#ffe8e0;font-size:14px}
        .cta-inner .btn{background:#fff;color:var(--teal-dark)}
        footer{background:#153534;color:#d7e7e2;padding:58px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
        footer .brand-name{color:#fff}footer .brand-sub{color:#9fc4ba}
        .footer-desc{font-size:13px;color:#a9c7c0;line-height:1.8;margin-top:18px;max-width:300px}
        footer h3{font-size:14px;color:#fff;margin-bottom:15px}
        footer li{list-style:none;color:#a9c7c0;font-size:13px;margin:8px 0}
        footer a:hover{color:#fff}
        .copyright{border-top:1px solid rgba(215,231,226,.15);padding-top:21px;color:#91b4ab;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1024px){
            .feature-grid{grid-template-columns:1fr 1fr}
            .feature-card:first-child{grid-column:span 2}
            .content-grid{grid-template-columns:repeat(3,1fr)}
            .category-grid{grid-template-columns:repeat(3,1fr)}
            .ranking-wrap,.news-layout{grid-template-columns:1fr}
            .ranking-note{min-height:auto}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
            .footer-grid>div:last-child{display:none}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .nav-wrap{height:68px}.brand{min-width:0}.brand-name{font-size:14px}.brand-sub{display:none}
            .menu-toggle{display:block}.main-nav{
                display:none;position:absolute;top:68px;left:17px;right:17px;padding:10px;
                background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);
                flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
            .hero{min-height:580px}.hero-inner{padding:70px 0 60px}
            h1{font-size:45px}.hero-copy{font-size:15px}.hero-facts{gap:18px}
            section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}
            .section-head .text-link{display:inline-block;margin-top:14px}
            .schedule{grid-template-columns:1fr}.time-grid{grid-template-columns:repeat(2,1fr)}
            .content-grid{grid-template-columns:repeat(2,1fr)}
            .more-grid{grid-template-columns:1fr 1fr}.category-grid{grid-template-columns:repeat(2,1fr)}
            .trust-grid{grid-template-columns:repeat(2,1fr);gap:25px}
            .cta-inner{display:block}.cta-inner .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:span 2}
            .copyright{display:block}.copyright span{display:block;margin-top:6px}
        }
        @media(max-width:520px){
            .brand-mark{width:35px;height:35px}.brand-name{font-size:13px}
            h1{font-size:37px}.hero-actions .btn{width:100%}.hero-facts{flex-wrap:wrap}
            .feature-grid,.content-grid,.more-grid,.category-grid,.faq-grid{grid-template-columns:1fr}
            .feature-card:first-child{grid-column:auto}.time-grid{grid-template-columns:1fr 1fr}
            .content-image{height:210px}.ranking-note{padding:26px}.rank-item{grid-template-columns:30px 1fr 48px}
            .rank-tag{display:none}.heat{display:none}.news-lead{min-height:300px}
            .news-item{grid-template-columns:90px 1fr}.trust-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
        }

/* roulang page: category1 */
:root{
      --ink:#17242b;
      --muted:#68777b;
      --paper:#f5f7f4;
      --white:#ffffff;
      --line:#dce5e0;
      --teal:#167c72;
      --teal-dark:#0e5a54;
      --mint:#d9eee7;
      --coral:#e57661;
      --gold:#d59b45;
      --shadow:0 16px 38px rgba(27,54,50,.09);
      --shadow-soft:0 8px 20px rgba(27,54,50,.06);
      --radius:18px;
      --radius-sm:11px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(245,247,244,.94);
      border-bottom:1px solid rgba(220,229,224,.9);
      backdrop-filter:blur(16px);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:235px}
    .brand-mark{
      width:40px;height:40px;border-radius:12px;background:var(--teal);
      color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;
      box-shadow:0 7px 16px rgba(22,124,114,.22)
    }
    .brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
    .brand-sub{display:block;color:var(--muted);font-size:11px;line-height:1.3;font-weight:500}
    .main-nav{display:flex;align-items:center;gap:7px}
    .main-nav a{
      color:#4c5e61;font-size:14px;padding:9px 14px;border-radius:9px;
      transition:.2s ease
    }
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-action{
      display:inline-flex;align-items:center;gap:8px;color:#fff!important;
      background:var(--coral)!important;padding:10px 16px!important;
      box-shadow:0 7px 16px rgba(229,118,97,.2)
    }
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
    .hero{
      position:relative;
      min-height:430px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:#183b3a;
      color:#fff;
    }
    .hero-media{
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(14,42,40,.94) 0%,rgba(14,42,40,.72) 48%,rgba(14,42,40,.24) 100%),
        url("https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&w=1800&q=88") center/cover;
    }
    .hero-inner{position:relative;z-index:1;padding:72px 0 64px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:#b9e6d9;
      font-size:13px;font-weight:700;letter-spacing:1.2px
    }
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--coral)}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:0;margin:18px 0 17px;max-width:700px}
    h1 em{font-style:normal;color:#f6c47e}
    .hero-copy{max-width:650px;color:#d7e6e1;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{
      display:inline-flex;justify-content:center;align-items:center;gap:9px;
      min-height:46px;padding:11px 20px;border-radius:10px;font-weight:750;font-size:14px;
      transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.main-nav a:focus-visible,.text-link:focus-visible{outline:3px solid rgba(229,118,97,.45);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(229,118,97,.25)}
    .btn-primary:hover{background:#d76552}
    .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
    .btn-light:hover{background:rgba(255,255,255,.18)}
    .hero-facts{display:flex;gap:34px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18)}
    .hero-facts strong{display:block;font-size:23px;color:#fff}
    .hero-facts span{display:block;font-size:12px;color:#b9d6ce}
    main{overflow:hidden}
    section{padding:78px 0}
    section:nth-child(even){background:#eef4f0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}
    .section-kicker{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}
    h2{font-size:32px;line-height:1.3;letter-spacing:0;margin:7px 0 0}
    .section-intro{max-width:590px;color:var(--muted);font-size:15px;margin:0}
    .text-link{color:var(--teal-dark);font-size:14px;font-weight:800;white-space:nowrap}
    .text-link:after{content:" →";color:var(--coral)}
    .topic-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px;align-items:stretch}
    .topic-lead{
      min-height:310px;border-radius:var(--radius);overflow:hidden;position:relative;
      background:url("https://images.unsplash.com/photo-1518837695005-2083093ee35b?auto=format&fit=crop&w=1200&q=85") center/cover;
      display:flex;align-items:end;box-shadow:var(--shadow)
    }
    .topic-lead:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,39,37,.9),transparent 66%)}
    .topic-lead-content{position:relative;z-index:1;padding:28px;color:#fff;max-width:590px}
    .topic-lead-content h3{font-size:27px;margin:9px 0 7px;line-height:1.3}
    .topic-lead-content p{margin:0;color:#d5e8e2;font-size:14px}
    .topic-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .topic-card,.signal-card,.article-card,.faq-item{
      background:var(--white);border:1px solid var(--line);border-radius:14px;
      box-shadow:var(--shadow-soft)
    }
    .topic-card{padding:22px;transition:.25s ease}
    .topic-card:hover,.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card .icon{
      width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
      color:var(--teal-dark);background:var(--mint);font-weight:800;margin-bottom:18px
    }
    .topic-card h3{font-size:17px;margin:0 0 8px}
    .topic-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
    .metric-band{background:#173d3a!important;color:#fff}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2)}
    .metric{padding:27px 24px;border-right:1px solid rgba(255,255,255,.16)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:34px;line-height:1.2;color:#fff}
    .metric span{display:block;margin-top:6px;color:#bad8d0;font-size:13px}
    .metric b{display:inline-block;margin-top:12px;color:#f3c47d;font-size:12px;font-weight:700}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .matrix-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px;min-height:190px}
    .matrix-card small{color:var(--coral);font-weight:800;letter-spacing:1px}
    .matrix-card h3{font-size:18px;margin:12px 0 8px}
    .matrix-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
    .list-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .ranking{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .ranking-row{display:grid;grid-template-columns:42px 1fr 92px 62px;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line);transition:.2s}
    .ranking-row:last-child{border-bottom:0}
    .ranking-row:hover{background:#f1f8f4}
    .rank-no{font-size:18px;font-weight:850;color:var(--coral)}
    .rank-no.muted{color:#93aaa5}
    .rank-title{font-size:14px;font-weight:750}
    .rank-tag{display:inline-block;margin-left:8px;background:var(--mint);color:var(--teal-dark);font-size:11px;padding:2px 7px;border-radius:5px;font-weight:700}
    .heat{font-size:12px;color:var(--muted)}
    .score{font-size:14px;color:var(--gold);font-weight:800;text-align:right}
    .signal-panel{background:#e5f0eb;border-radius:var(--radius);padding:28px}
    .signal-panel h3{font-size:22px;margin:0 0 10px}
    .signal-panel>p{color:var(--muted);font-size:14px;margin:0 0 23px}
    .signal-card{padding:17px 18px;margin-top:12px;box-shadow:none}
    .signal-card strong{display:block;font-size:15px}
    .signal-card span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .article-card{overflow:hidden;transition:.25s ease}
    .article-card img{height:148px;object-fit:cover}
    .article-body{padding:17px 18px 19px}
    .article-body time{color:var(--coral);font-size:12px;font-weight:800}
    .article-body h3{font-size:16px;line-height:1.5;margin:7px 0 6px}
    .article-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{padding:22px 23px}
    .faq-item h3{font-size:16px;margin:0 0 8px}
    .faq-item p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
    .contact-band{background:#f7eee8!important;padding:64px 0}
    .contact-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .contact-inner h2{max-width:620px}
    .contact-inner p{color:var(--muted);font-size:14px;margin:10px 0 0;max-width:650px}
    footer{background:#183b3a;color:#d6e5df;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px}
    footer .brand-name{color:#fff}
    footer .brand-sub{color:#a9c5bc}
    .footer-desc{max-width:330px;color:#a9c5bc;font-size:13px;margin-top:18px}
    footer h3{font-size:14px;color:#fff;margin:3px 0 15px}
    footer ul{list-style:none;margin:0;padding:0}
    footer li{font-size:13px;color:#a9c5bc;margin:9px 0}
    footer li a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);margin-top:43px;padding-top:18px;color:#91b0a7;font-size:12px}
    @media(max-width:1024px){
      .main-nav{gap:2px}
      .main-nav a{padding:8px 9px;font-size:13px}
      .feature-grid,.topic-layout,.list-layout{grid-template-columns:1fr}
      .matrix{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:70px}
      .brand{min-width:0}
      .brand-name{font-size:15px}
      .menu-toggle{display:block}
      .main-nav{
        position:absolute;top:70px;left:16px;right:16px;display:none;
        flex-direction:column;align-items:stretch;padding:10px;background:#fff;
        border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-action{text-align:center;justify-content:center}
      .hero{min-height:510px}
      .hero-inner{padding:64px 0 54px}
      .section-head{display:block}
      .section-intro{margin-top:12px}
      .text-link{display:inline-block;margin-top:16px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric{border-bottom:1px solid rgba(255,255,255,.16)}
      .metric:nth-last-child(-n+2){border-bottom:0}
      .article-grid{grid-template-columns:1fr 1fr}
      .contact-inner{display:block}
      .contact-inner .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h1{font-size:38px}
      h2{font-size:27px}
      .hero-copy{font-size:15px}
      .hero-facts{gap:18px}
      .hero-facts strong{font-size:20px}
      .topic-side,.matrix,.article-grid,.faq-grid{grid-template-columns:1fr}
      .ranking-row{grid-template-columns:32px 1fr 52px}
      .heat{display:none}
      .score{text-align:right}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      section{padding:60px 0}
    }

/* roulang page: category2 */
:root{
            --ink:#17242b;
            --muted:#68777b;
            --paper:#f5f7f4;
            --white:#ffffff;
            --line:#dce5e0;
            --teal:#167c72;
            --teal-dark:#0e5a54;
            --mint:#d9eee7;
            --coral:#e57661;
            --gold:#d59b45;
            --shadow:0 16px 38px rgba(27,54,50,.09);
            --shadow-soft:0 8px 20px rgba(27,54,50,.06);
            --radius:18px;
            --radius-sm:11px;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;height:auto}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;
            top:0;
            z-index:20;
            background:rgba(245,247,244,.94);
            border-bottom:1px solid rgba(220,229,224,.9);
            backdrop-filter:blur(16px);
        }
        .nav-wrap{
            height:78px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:28px;
        }
        .brand{display:flex;align-items:center;gap:12px;min-width:235px}
        .brand-mark{
            width:40px;height:40px;border-radius:12px;background:var(--teal);
            color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;
            box-shadow:0 7px 16px rgba(22,124,114,.22)
        }
        .brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
        .brand-sub{display:block;color:var(--muted);font-size:11px;line-height:1.3;font-weight:500}
        .main-nav{display:flex;align-items:center;gap:7px}
        .main-nav a{
            color:#4c5e61;font-size:14px;padding:9px 14px;border-radius:9px;
            transition:.2s ease;
        }
        .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
        .nav-action{
            display:inline-flex;align-items:center;gap:8px;color:#fff!important;
            background:var(--coral)!important;padding:10px 16px!important;
            box-shadow:0 7px 16px rgba(229,118,97,.2)
        }
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:24px}
        main{overflow:hidden}
        section{padding:82px 0}
        .hero{
            position:relative;
            min-height:480px;
            display:flex;
            align-items:center;
            overflow:hidden;
            background:#183b3a;
            color:#fff;
        }
        .hero-media{
            position:absolute;
            inset:0;
            background:
                linear-gradient(90deg,rgba(14,42,40,.95) 0%,rgba(14,42,40,.75) 48%,rgba(14,42,40,.25) 100%),
                url("https://images.unsplash.com/photo-1516035069371-29a1b244cc32?auto=format&fit=crop&w=1800&q=88") center/cover;
        }
        .hero-inner{position:relative;z-index:1;padding:74px 0 66px}
        .eyebrow{
            display:inline-flex;align-items:center;gap:8px;
            color:#b9e6d9;font-size:13px;font-weight:700;letter-spacing:1.2px
        }
        .eyebrow:before{content:"";width:26px;height:2px;background:var(--coral)}
        .hero h1{
            max-width:700px;
            margin:16px 0 15px;
            font-size:clamp(36px,5vw,62px);
            line-height:1.16;
            letter-spacing:0;
        }
        .hero h1 span{color:#f2b29e}
        .hero-copy{max-width:650px;color:#d7e6e1;font-size:17px;line-height:1.9}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
        .btn{
            display:inline-flex;justify-content:center;align-items:center;gap:9px;
            min-height:46px;padding:11px 20px;border-radius:10px;
            font-weight:750;font-size:14px;
            transition:transform .2s,box-shadow .2s,background .2s;
            border:1px solid transparent;
        }
        .btn:hover{transform:translateY(-2px)}
        .btn:focus,.main-nav a:focus,.text-link:focus{outline:3px solid rgba(229,118,97,.34);outline-offset:3px}
        .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(229,118,97,.25)}
        .btn-primary:hover{background:#d76552}
        .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
        .btn-light:hover{background:rgba(255,255,255,.18)}
        .hero-facts{display:flex;gap:30px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18)}
        .hero-facts strong{display:block;font-size:22px;line-height:1.2}
        .hero-facts span{display:block;color:#b9d6cf;font-size:12px;margin-top:5px}
        .section-head{
            display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px
        }
        .section-kicker{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .section-head h2{margin:6px 0 0;font-size:31px;line-height:1.3}
        .section-intro{max-width:590px;color:var(--muted);font-size:15px}
        .text-link{color:var(--teal-dark);font-size:14px;font-weight:800;white-space:nowrap}
        .text-link:after{content:" →";color:var(--coral)}
        .notice-bar{
            background:#fff;
            border-bottom:1px solid var(--line);
            padding:17px 0;
        }
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
        .notice-main{display:flex;align-items:center;gap:12px;font-size:14px}
        .notice-dot{width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px #fbe6df}
        .notice-date{font-size:12px;color:var(--muted)}
        .metric-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
        .metric-card{
            background:#fff;border:1px solid var(--line);border-radius:var(--radius);
            padding:25px;box-shadow:var(--shadow-soft);min-height:158px;
            transition:.25s ease;
        }
        .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .metric-card.accent{background:var(--teal);color:#fff;border-color:var(--teal)}
        .metric-label{font-size:13px;color:var(--muted)}
        .accent .metric-label{color:#b9e6d9}
        .metric-value{font-size:34px;font-weight:800;line-height:1.25;margin:10px 0 5px}
        .metric-note{font-size:13px;color:var(--muted)}
        .accent .metric-note{color:#d7e6e1}
        .trend{color:var(--teal);font-size:13px;font-weight:800}
        .accent .trend{color:#f4c1b3}
        .update-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:28px;align-items:start}
        .update-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
        .update-item{
            display:grid;grid-template-columns:112px 1fr auto;gap:18px;align-items:center;
            padding:17px 20px;border-bottom:1px solid var(--line);
            transition:.2s ease;
        }
        .update-item:last-child{border-bottom:0}
        .update-item:hover{background:#f8fbf9}
        .update-thumb{width:112px;height:74px;border-radius:10px;overflow:hidden}
        .update-thumb img{height:100%;object-fit:cover}
        .update-title{font-size:16px;font-weight:800;margin-bottom:4px}
        .update-copy{font-size:13px;color:var(--muted);line-height:1.6}
        .update-meta{font-size:12px;color:var(--muted);white-space:nowrap;text-align:right}
        .tag{
            display:inline-flex;align-items:center;
            padding:4px 8px;border-radius:5px;background:var(--mint);
            color:var(--teal-dark);font-size:11px;font-weight:800;
        }
        .update-meta .tag{margin-bottom:6px}
        .side-panel{
            background:#183b3a;color:#fff;border-radius:var(--radius);
            padding:26px;box-shadow:var(--shadow);
        }
        .side-panel h3{font-size:21px;margin-bottom:9px}
        .side-panel p{font-size:14px;color:#c9dfd9;line-height:1.8}
        .side-list{list-style:none;padding:0;margin:22px 0 0}
        .side-list li{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:13px}
        .side-list li:last-child{border-bottom:0}
        .side-list b{color:#f4b4a5}
        .topic-section{background:#edf3ef}
        .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
        .topic-card{
            min-height:210px;padding:23px;background:#fff;border:1px solid var(--line);
            border-radius:14px;position:relative;overflow:hidden;transition:.25s ease;
        }
        .topic-card:after{
            content:"";position:absolute;right:-28px;bottom:-28px;width:100px;height:100px;
            border:1px solid #d6ebe4;border-radius:50%;
        }
        .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#afd5c9}
        .topic-number{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:1px}
        .topic-card h3{font-size:18px;margin:24px 0 8px}
        .topic-card p{font-size:13px;line-height:1.75;color:var(--muted);margin-bottom:0}
        .rank-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:28px;align-items:stretch}
        .rank-feature{
            min-height:360px;padding:31px;border-radius:var(--radius);color:#fff;
            background:
                linear-gradient(135deg,rgba(14,42,40,.93),rgba(22,124,114,.72)),
                url("https://images.unsplash.com/photo-1531058020387-3be344556be6?auto=format&fit=crop&w=1000&q=84") center/cover;
            display:flex;flex-direction:column;justify-content:flex-end;
        }
        .rank-feature h3{font-size:28px;line-height:1.3;margin:13px 0 9px}
        .rank-feature p{color:#d7e6e1;font-size:14px;max-width:400px}
        .rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 20px}
        .rank-row{
            display:grid;grid-template-columns:35px 1fr auto auto;gap:14px;align-items:center;
            padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;
        }
        .rank-row:last-child{border-bottom:0}
        .rank-no{font-size:17px;font-weight:850;color:var(--coral)}
        .rank-name{font-weight:750}
        .rank-type{font-size:11px;color:var(--teal-dark);background:var(--mint);padding:3px 7px;border-radius:5px}
        .rank-score{font-weight:800;color:var(--gold);white-space:nowrap}
        .insight-section{background:#fff}
        .insight-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}
        .insight-copy h2{font-size:32px;line-height:1.35;margin:7px 0 15px}
        .insight-copy p{color:var(--muted);font-size:15px}
        .quote{
            margin-top:24px;padding:18px 20px;border-left:3px solid var(--coral);
            background:#fff8f5;color:#56666a;font-size:14px;
        }
        .insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
        .insight-card{border:1px solid var(--line);border-radius:13px;padding:21px;background:var(--paper)}
        .insight-card strong{display:block;font-size:21px;color:var(--teal-dark);margin-bottom:6px}
        .insight-card span{font-size:13px;color:var(--muted);line-height:1.65}
        .faq-section{padding-top:70px}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
        .faq-item{border-top:1px solid var(--line);padding:19px 0}
        .faq-item h3{font-size:16px;margin-bottom:7px}
        .faq-item p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:0}
        .cta-section{padding:0 0 88px}
        .cta-box{
            background:var(--coral);color:#fff;border-radius:var(--radius);
            padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:25px;
            box-shadow:0 14px 28px rgba(229,118,97,.2)
        }
        .cta-box h2{font-size:27px;margin:0 0 5px}
        .cta-box p{color:#fff0eb;font-size:14px;margin:0}
        .cta-box .btn{background:#fff;color:var(--teal-dark)}
        .cta-box .btn:hover{background:#fff8f5}
        footer{background:#12322f;color:#dcebe7;padding:62px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
        footer .brand-name{color:#fff}
        footer .brand-sub{color:#9ec6bc}
        .footer-desc{color:#a9c5be;max-width:300px;font-size:13px;line-height:1.8;margin-top:18px}
        footer h3{font-size:14px;color:#fff;margin:4px 0 15px}
        footer ul{list-style:none;padding:0;margin:0}
        footer li{font-size:13px;color:#a9c5be;margin:9px 0}
        footer li a:hover{color:#fff}
        .copyright{
            display:flex;justify-content:space-between;gap:20px;
            border-top:1px solid rgba(255,255,255,.15);margin-top:43px;padding-top:19px;
            color:#8fb5ad;font-size:12px
        }
        @media (max-width:1024px){
            .main-nav a{padding:8px 9px;font-size:13px}
            .brand{min-width:205px}
            .topic-grid{grid-template-columns:repeat(2,1fr)}
            .metric-grid{grid-template-columns:repeat(3,1fr)}
            .update-layout,.rank-layout,.insight-layout{grid-template-columns:1fr}
            .rank-feature{min-height:290px}
        }
        @media (max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .main-nav{
                display:none;position:absolute;left:17px;right:17px;top:76px;
                padding:10px;background:#fff;border:1px solid var(--line);
                border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:11px 13px}
            .nav-action{text-align:center;justify-content:center}
            .hero{min-height:570px}
            .hero-inner{padding:65px 0 58px}
            .hero h1{font-size:42px}
            .hero-facts{gap:18px}
            section{padding:66px 0}
            .section-head{display:block}
            .section-head .section-intro{margin-top:12px}
            .section-head .text-link{display:inline-block;margin-top:17px}
            .metric-grid{grid-template-columns:1fr}
            .metric-card{min-height:135px}
            .update-item{grid-template-columns:84px 1fr;gap:13px;padding:14px}
            .update-thumb{width:84px;height:67px}
            .update-meta{grid-column:2;text-align:left}
            .topic-grid{grid-template-columns:1fr 1fr}
            .faq-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr}
            .cta-box{display:block;padding:28px}
            .cta-box .btn{margin-top:20px}
        }
        @media (max-width:520px){
            .container{width:min(var(--container),calc(100% - 28px))}
            .brand-name{font-size:15px}
            .brand-sub{font-size:10px}
            .brand-mark{width:36px;height:36px}
            .hero h1{font-size:35px}
            .hero-copy{font-size:15px}
            .hero-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn{width:100%}
            .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:17px}
            .notice-inner{display:block}
            .notice-date{margin-top:5px;margin-left:21px}
            .topic-grid{grid-template-columns:1fr}
            .update-item{grid-template-columns:72px 1fr}
            .update-thumb{width:72px;height:61px}
            .update-title{font-size:14px}
            .update-copy{font-size:12px}
            .rank-feature{padding:24px}
            .rank-feature h3{font-size:24px}
            .rank-row{grid-template-columns:28px 1fr auto;gap:8px}
            .rank-type{display:none}
            .rank-score{font-size:12px}
            .insight-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr}
            .copyright{display:block;line-height:1.8}
            .copyright span{display:block}
        }