/* roulang page: index */
:root{
      --blue:#1769d1;--blue-dark:#0c3977;--blue-soft:#eaf3ff;--cyan:#16a6a0;
      --ink:#10233f;--muted:#60718b;--paper:#f6f9fd;--line:#dce7f3;
      --white:#fff;--radius:20px;--shadow:0 16px 42px rgba(29,71,119,.10);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;padding-bottom:76px}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:92px 0}
    .section-tight{padding:65px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    h2{font-size:clamp(28px,3.4vw,43px);line-height:1.25;letter-spacing:-.03em}
    h3{line-height:1.35}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:36px}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px}
    .topbar{height:78px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px}
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 11px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:white;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:15px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #eef3f8;color:var(--ink)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:12px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#0e56b5;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .hero{padding:70px 0 58px;background:linear-gradient(120deg,#f8fbff 0%,#edf5ff 65%,#e6f5f4 100%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:58px}
    .hero-copy h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 22px;max-width:650px}
    .hero-copy h1 span{color:var(--blue)}
    .hero-copy>p{color:var(--muted);font-size:17px;max-width:570px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .kpis{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid #cbdced;padding-top:22px}
    .kpi strong{font-size:24px;color:var(--blue-dark);display:block;line-height:1.2}
    .kpi small{color:var(--muted);font-size:12px}
    .hero-visual{position:relative;transform:skewY(-2deg)}
    .hero-visual img{height:410px;border-radius:28px;box-shadow:var(--shadow);border:8px solid rgba(255,255,255,.75)}
    .visual-note{position:absolute;left:-25px;bottom:25px;background:#fff;padding:16px 19px;border-radius:15px;box-shadow:var(--shadow);transform:skewY(2deg);font-size:13px}
    .visual-note b{display:block;color:var(--blue);font-size:20px}
    .benefit-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}
    .benefit{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 25px rgba(31,74,121,.05);min-height:215px}
    .benefit:first-child{background:var(--blue);color:#fff;transform:translateY(12px)}
    .benefit:first-child p,.benefit:first-child .meta{color:#dcecff}
    .num{font-size:13px;font-weight:800;color:var(--cyan);margin-bottom:28px}
    .benefit h3{font-size:23px;margin-bottom:12px}
    .benefit p{color:var(--muted);font-size:14px}
    .meta{display:block;margin-top:22px;font-size:12px;color:var(--blue);font-weight:700}
    .scene{background:#fff}
    .scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:54px;align-items:center}
    .scene-photo{position:relative}
    .scene-photo img{height:440px;border-radius:22px}
    .photo-caption{position:absolute;right:18px;bottom:18px;left:18px;padding:14px 16px;border-radius:13px;background:rgba(12,57,119,.88);color:#fff;font-size:13px}
    .steps{border-left:2px solid #c8dbf0;padding-left:28px}
    .step{position:relative;padding:0 0 28px}
    .step:last-child{padding-bottom:0}
    .step:before{content:"";position:absolute;left:-36px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--cyan);border:4px solid #d9f3f1}
    .step h3{font-size:19px;margin-bottom:6px}
    .step p{color:var(--muted);font-size:14px}
    .step-tag{font-size:12px;color:var(--blue);font-weight:700}
    .recognition{background:#eef6ff}
    .quote-wrap{display:grid;grid-template-columns:1.4fr .6fr;gap:20px}
    .quote{background:#fff;border-radius:22px;padding:34px;box-shadow:var(--shadow);font-size:20px;line-height:1.7}
    .quote cite{display:block;margin-top:23px;color:var(--muted);font-style:normal;font-size:13px}
    .stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .stat{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px}
    .stat strong{display:block;color:var(--blue);font-size:29px;line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .brand-story{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .brand-story .lead{font-size:22px;color:var(--blue-dark);line-height:1.55}
    .brand-story p{color:var(--muted);margin-bottom:18px;font-size:16px}
    .story-rule{border-top:3px solid var(--blue);width:70px;margin:22px 0}
    .category-strip{background:#f1f6fb}
    .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .category-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;min-height:138px}
    .category-card:hover{transform:translateY(-4px);border-color:#9fc2eb;box-shadow:var(--shadow)}
    .category-card b{font-size:17px;display:block;margin-bottom:7px}
    .category-card span{font-size:13px;color:var(--muted)}
    .activity-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
    .activity-main{position:relative;min-height:390px;border-radius:22px;overflow:hidden;color:#fff}
    .activity-main img{height:100%;position:absolute;inset:0}
    .activity-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,36,75,.82),transparent 70%)}
    .activity-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}
    .activity-copy h3{font-size:29px;margin:9px 0}
    .activity-copy p{font-size:14px;color:#e4effd}
    .activity-side{display:grid;gap:20px}
    .mini-feature{background:var(--blue-soft);border-radius:20px;padding:24px;border:1px solid #d1e3f7}
    .mini-feature h3{font-size:20px;margin:10px 0}
    .mini-feature p{font-size:14px;color:var(--muted)}
    .rank-layout{display:grid;grid-template-columns:5fr 7fr;gap:45px;align-items:start}
    .rank-intro p{color:var(--muted);margin-top:18px}
    .rank-list{background:#fff;border-radius:20px;border:1px solid var(--line);overflow:hidden}
    .rank-row{display:grid;grid-template-columns:42px 1fr 75px 70px;gap:12px;align-items:center;padding:17px 22px;border-bottom:1px solid #edf2f7;font-size:14px}
    .rank-row:last-child{border:0}.rank-row strong{color:var(--blue)}.trend{color:var(--cyan);font-size:12px}
    .news{background:#fff}
    .news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:60px}
    .news-feature{border-bottom:1px solid var(--line);padding-bottom:24px}
    .news-feature img{height:235px;border-radius:18px;margin-bottom:20px}
    .news-feature h3{font-size:26px;margin:8px 0}
    .news-feature p,.news-item p{color:var(--muted);font-size:14px}
    .news-item{display:grid;grid-template-columns:78px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-item time{font-size:12px;color:var(--blue);font-weight:700;padding-top:4px}
    .news-item h3{font-size:17px;margin-bottom:4px}
    .read{display:inline-block;margin-top:9px;color:var(--blue);font-size:13px;font-weight:700}
    .deep{background:#f0f6fc}
    .deep-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .deep-block{background:#fff;border-radius:20px;padding:30px;border:1px solid var(--line)}
    .deep-block h3{font-size:22px;margin-bottom:15px;color:var(--blue-dark)}
    .deep-block p{font-size:15px;color:var(--muted);margin-bottom:14px}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide{border-top:4px solid var(--blue);padding:23px;background:#fff;border-radius:0 0 18px 18px;box-shadow:0 8px 24px rgba(31,74,121,.06)}
    .guide b{display:block;font-size:18px;margin-bottom:9px}.guide p{font-size:14px;color:var(--muted)}
    .faq-list{max-width:850px;margin:auto}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;padding:0 21px;transition:.25s}
    details[open]{border-color:#9fc2eb;box-shadow:0 8px 24px rgba(31,74,121,.07)}
    summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:23px;top:13px}
    details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:0 0 19px}
    .subscribe{background:var(--blue-dark);color:#fff;border-radius:25px;padding:48px 55px;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .subscribe p{color:#cbdcf2;font-size:15px;margin-top:10px}
    .form-row{display:flex;gap:10px}.form-row input{flex:1;min-width:0;height:48px;border:0;border-radius:11px;padding:0 15px;color:var(--ink)}
    .form-row .btn{background:var(--cyan);color:#fff}
    .footer{background:#e8f0f8;padding:56px 0 90px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer p,.footer li{color:var(--muted);font-size:13px}.footer p{margin-top:13px}
    .footer h4{font-size:15px;margin-bottom:14px}.footer li{list-style:none;margin:7px 0}.footer li a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #cfddea;margin-top:35px;padding-top:20px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .fixed-cta{position:fixed;bottom:0;left:0;right:0;background:rgba(23,105,209,.97);color:#fff;z-index:25;padding:12px 20px;box-shadow:0 -8px 25px rgba(15,66,125,.18)}
    .fixed-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}.fixed-cta p{font-size:14px}.fixed-cta .btn{background:#fff;color:var(--blue)}
    @media(max-width:1024px){.nav-link{padding:8px 5px;font-size:12px}.hero-grid{gap:30px}.category-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 36px,600px)}.section{padding:65px 0}.topbar,.nav{height:68px}.nav{display:flex;justify-content:space-between}.nav-side{display:none}.brand{font-size:20px}.mobile-toggle{display:block}.mobile-menu.show{display:block}.hero{padding:50px 0}.hero-grid,.scene-grid,.quote-wrap,.brand-story,.activity-grid,.rank-layout,.news-layout,.subscribe{grid-template-columns:1fr}.hero-copy h1{font-size:40px}.hero-visual{transform:none}.hero-visual img{height:300px}.visual-note{left:15px;transform:none}.benefit-grid{grid-template-columns:1fr}.benefit:first-child{transform:none}.section-head{display:block}.section-head p{margin-top:12px}.category-grid,.guide-grid,.deep-grid{grid-template-columns:1fr}.activity-main{min-height:300px}.rank-list{overflow-x:auto}.rank-row{min-width:480px}.subscribe{padding:34px 25px}.fixed-inner{align-items:stretch}.fixed-cta p{font-size:12px}.fixed-cta .btn{min-height:40px;padding:0 14px}}
    @media(max-width:520px){body{padding-bottom:69px}.hero-copy h1{font-size:34px}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}.kpis{gap:16px}.scene-photo img{height:280px}.quote{font-size:17px;padding:25px}.news-item{grid-template-columns:1fr;gap:0}.news-item time{padding:0}.form-row{display:block}.form-row input,.form-row .btn{width:100%;margin-bottom:9px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}

/* roulang page: category1 */
:root{
      --blue:#1769d1;--blue-dark:#0c3977;--blue-soft:#eaf3ff;--cyan:#16a6a0;
      --ink:#10233f;--muted:#60718b;--paper:#f6f9fd;--line:#dce7f3;
      --white:#fff;--radius:20px;--shadow:0 16px 42px rgba(29,71,119,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;padding-bottom:76px}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
    .topbar{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px}
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 11px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:white;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:15px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #eef3f8;color:var(--ink)}
    .hero{padding:70px 0 62px;background:linear-gradient(120deg,#f8fbff 0%,#edf5ff 65%,#e6f5f4 100%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:58px}
    .hero-copy h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 22px;max-width:650px}
    .hero-copy h1 span{color:var(--blue)}
    .hero-copy>p{color:var(--muted);font-size:17px;max-width:570px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero-visual{position:relative;transform:skewY(-2deg)}
    .hero-visual img{height:390px;border-radius:28px;box-shadow:var(--shadow);border:8px solid rgba(255,255,255,.75)}
    .profile-tag{position:absolute;left:24px;bottom:24px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;padding:13px 16px;display:flex;gap:12px;align-items:center;transform:skewY(2deg);box-shadow:0 12px 26px rgba(15,54,102,.12)}
    .profile-dot{width:38px;height:38px;border-radius:50%;background:var(--cyan);display:grid;place-items:center;color:#fff;font-weight:800}
    .profile-tag small{display:block;color:var(--muted);font-size:12px}
    .profile-tag strong{font-size:14px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:12px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#0e56b5;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .stats{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px}
    .stat b{display:block;color:var(--blue-dark);font-size:24px;line-height:1.2}
    .stat span{font-size:12px;color:var(--muted)}
    .crumb{font-size:13px;color:var(--muted);padding:20px 0 0}
    .crumb a{color:var(--blue)}
    .topic-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:stretch}
    .feature-topic{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
    .feature-topic img{height:290px}
    .feature-topic-content{padding:25px 28px 28px}
    .feature-topic h2{font-size:29px;line-height:1.35;margin:10px 0}
    .feature-topic p{color:var(--muted);font-size:15px;margin:0 0 20px}
    .side-topics{display:grid;gap:14px}
    .topic-row{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px;display:grid;grid-template-columns:86px 1fr;gap:16px;align-items:center}
    .topic-row img{height:82px;border-radius:12px}
    .topic-row h3{font-size:17px;line-height:1.4;margin:5px 0}
    .topic-row p{font-size:13px;color:var(--muted);margin:0}
    .topic-row:hover,.feature-topic:hover{border-color:#9fc2eb;box-shadow:var(--shadow);transform:translateY(-3px)}
    .badge{display:inline-flex;align-items:center;min-height:25px;padding:2px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .badge.green{background:#e5f6f3;color:#087b76}
    .filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:24px}
    .filter-bar strong{font-size:14px;margin-right:5px}
    .filter{border:1px solid var(--line);background:#f8fbff;color:var(--muted);padding:8px 14px;border-radius:10px;font-size:13px}
    .filter:hover,.filter.active{background:var(--blue);color:#fff;border-color:var(--blue)}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .story-card{display:grid;grid-template-columns:185px 1fr;gap:20px;background:#fff;border-top:1px solid var(--line);padding:20px 0}
    .story-card img{height:135px;border-radius:14px}
    .story-card h3{font-size:19px;line-height:1.45;margin:7px 0}
    .story-card p{font-size:14px;color:var(--muted);margin:0}
    .story-card:hover h3{color:var(--blue)}
    .reading-section{background:#eef5fc}
    .reading-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px}
    .reading-intro h2{font-size:36px;line-height:1.3;margin:12px 0 18px}
    .reading-intro p,.reading-body p{color:var(--muted);font-size:16px}
    .reading-body{columns:2;column-gap:38px}
    .reading-body p{break-inside:avoid;margin-top:0;margin-bottom:20px}
    .note{border-left:3px solid var(--cyan);background:#fff;padding:18px 20px;margin-top:20px;color:var(--blue-dark);font-size:14px}
    .timeline{border-left:2px solid #b8d3ee;margin-left:10px;padding-left:30px}
    .timeline-item{position:relative;margin:0 0 27px}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--cyan);left:-37px;top:9px;box-shadow:0 0 0 5px #e5f6f3}
    .timeline-item h3{font-size:19px;margin:0 0 5px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .quote-area{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center;box-shadow:var(--shadow)}
    blockquote{font-size:24px;line-height:1.6;color:var(--blue-dark);margin:0}
    .quote-area cite{display:block;color:var(--muted);font-size:13px;font-style:normal;margin-top:18px}
    .number-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .number-box{background:var(--blue-soft);padding:20px;border-radius:15px}
    .number-box b{font-size:28px;color:var(--blue);display:block}
    .number-box span{font-size:13px;color:var(--muted)}
    .faq-list{max-width:850px;margin:auto}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;padding:0 20px}
    summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:18px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
    details[open]{border-color:#a8c8e9;box-shadow:0 8px 22px rgba(29,71,119,.06)}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 19px}
    .cta-band{background:var(--blue-dark);color:#fff;padding:38px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-inner h2{font-size:26px;margin:0 0 5px}
    .cta-inner p{color:#c6dafa;margin:0;font-size:14px}
    .cta-band .btn-primary{background:var(--cyan);box-shadow:none}
    .cta-band .btn-primary:hover{background:#118d88}
    .footer{background:#e8f0f8;padding:56px 0 90px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer p,.footer li{color:var(--muted);font-size:13px}
    .footer p{margin-top:13px}
    .footer h4{font-size:15px;margin:0 0 14px}
    .footer ul{padding:0;margin:0}
    .footer li{list-style:none;margin:7px 0}
    .footer li a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #cbd9e8;margin-top:38px;padding-top:20px;display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .copyright a{color:var(--blue)}
    .fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:25;background:rgba(12,57,119,.97);color:#fff;padding:11px 20px}
    .fixed-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}
    .fixed-cta p{margin:0;font-size:14px}
    .fixed-cta .btn{min-height:40px;background:var(--cyan);padding:0 18px}
    @media(max-width:1100px){
      .nav-side{gap:2px}.nav-link{padding:8px 7px;font-size:13px}
      .hero-grid{gap:35px}.topic-layout{grid-template-columns:1fr 1fr}
    }
    @media(max-width:850px){
      .topbar,.nav{height:68px}.nav{display:flex;justify-content:space-between}
      .nav-side{display:none}.mobile-toggle{display:block}.mobile-menu.open{display:block}
      .hero{padding:52px 0}.hero-grid,.topic-layout,.reading-grid,.quote-area{grid-template-columns:1fr}
      .hero-visual{transform:none}.hero-visual img{height:330px}
      .reading-body{columns:1}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .quote-area{gap:24px}
    }
    @media(max-width:620px){
      body{padding-bottom:68px}.container{width:min(100% - 36px,1180px)}
      .hero-copy h1{font-size:39px}.hero-copy>p{font-size:16px}
      .hero-actions .btn{flex:1}.stats{gap:16px}.section{padding:62px 0}
      .section-head{display:block}.section-head p{margin-top:13px}
      .story-grid{grid-template-columns:1fr}.story-card{grid-template-columns:112px 1fr;gap:14px}.story-card img{height:100px}
      .feature-topic img{height:220px}.feature-topic-content{padding:21px}
      .reading-intro h2{font-size:30px}.number-grid{grid-template-columns:1fr 1fr}
      .cta-inner{display:block}.cta-inner .btn{margin-top:18px}.fixed-cta p{font-size:12px}
      .fixed-cta .btn{min-height:40px;font-size:13px;padding:0 13px}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}
      .footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}
    }

/* roulang page: category4 */
:root{
      --blue:#1769d1;--blue-dark:#0c3977;--blue-soft:#eaf3ff;--cyan:#16a6a0;
      --ink:#10233f;--muted:#60718b;--paper:#f6f9fd;--line:#dce7f3;
      --white:#fff;--radius:20px;--shadow:0 16px 42px rgba(29,71,119,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;padding-bottom:76px}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3.5vw,40px);line-height:1.3;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
    .topbar{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px}
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 11px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:15px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #eef3f8;color:var(--ink)}
    .hero{padding:72px 0 65px;background:linear-gradient(120deg,#f8fbff 0%,#edf5ff 67%,#e6f5f4 100%)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
    .crumbs a{color:var(--blue)}
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .hero h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-.055em;margin:16px 0 20px}
    .hero h1 span{color:var(--blue)}
    .hero-copy p{color:var(--muted);font-size:17px;max-width:580px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:12px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#0e56b5;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .hero-visual{position:relative}
    .hero-visual img{height:390px;border-radius:26px;box-shadow:var(--shadow);border:8px solid rgba(255,255,255,.78)}
    .floating-note{position:absolute;left:-24px;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 18px;box-shadow:var(--shadow);font-size:13px}
    .floating-note strong{display:block;color:var(--blue-dark);font-size:20px;line-height:1.3}
    .badge{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .stat{padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .stat strong{display:block;font-size:25px;color:var(--blue-dark);line-height:1.2}
    .stat span{font-size:12px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px}
    .feature-main{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
    .feature-main img{height:330px}
    .feature-body{padding:26px 29px 30px}
    .feature-body h2{font-size:29px;line-height:1.35;margin:12px 0}
    .feature-body p,.news-card p,.timeline p{color:var(--muted);font-size:15px;margin:0}
    .side-story{display:flex;flex-direction:column;gap:15px}
    .story-card{display:grid;grid-template-columns:145px 1fr;gap:17px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;min-height:145px}
    .story-card img{height:116px;border-radius:12px}
    .story-card h3{font-size:18px;line-height:1.45;margin:7px 0}
    .filter-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:28px}
    .filter-list{display:flex;gap:8px;flex-wrap:wrap}
    .filter-list button{padding:8px 14px;border-radius:9px;background:#f1f6fc;color:var(--muted);font-size:13px}
    .filter-list button:hover,.filter-list button.selected{background:var(--blue);color:#fff}
    .filter-bar label{font-size:13px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.55fr .8fr;gap:54px}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item time{font-size:13px;color:var(--blue);font-weight:700;padding-top:5px}
    .news-item h3{font-size:20px;line-height:1.45;margin:0 0 6px}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .read-link{font-size:13px;color:var(--blue);white-space:nowrap;padding-top:7px}
    .read-link:hover{color:var(--blue-dark);transform:translateX(3px)}
    .aside-box{background:var(--blue-dark);color:#fff;border-radius:22px;padding:29px;position:sticky;top:105px}
    .aside-box h3{font-size:23px;line-height:1.4;margin:10px 0}
    .aside-box p{color:#cfe0f5;font-size:14px}
    .aside-list{margin-top:23px;border-top:1px solid rgba(255,255,255,.2)}
    .aside-list div{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.2);font-size:14px}
    .aside-list span{display:block;color:#8edbd5;font-size:12px;margin-bottom:4px}
    .longread{background:#fff}
    .reading-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px}
    .reading-intro{font-size:22px;color:var(--blue-dark);line-height:1.6}
    .reading-copy p{color:var(--muted);font-size:16px;margin:0 0 19px}
    .reading-copy h3{font-size:24px;margin:28px 0 10px}
    .quote{border-left:4px solid var(--cyan);padding:15px 20px;background:#eff9f8;color:var(--blue-dark);font-size:17px;margin:25px 0}
    .timeline{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .timeline-card{padding:23px;background:#f0f6fd;border:1px solid var(--line);border-radius:18px}
    .timeline-card h3{font-size:18px;margin:9px 0 5px}
    .subscribe{background:var(--blue-soft)}
    .subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .subscribe h2{font-size:32px;line-height:1.35;margin:10px 0}
    .subscribe p{color:var(--muted)}
    .form-row{display:flex;gap:10px}
    .form-row input{flex:1;min-width:0;height:48px;border:1px solid #c8d9ec;border-radius:11px;padding:0 15px;color:var(--ink);background:#fff}
    .form-row .btn{background:var(--cyan);color:#fff}
    .form-note{font-size:12px;color:var(--muted);margin-top:9px}
    .faq-list{max-width:850px;margin:auto}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;padding:0 20px;transition:.25s ease}
    details[open]{border-color:#9fc2eb;box-shadow:0 8px 22px rgba(29,71,119,.07)}
    summary{cursor:pointer;padding:18px 3px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;padding:0 3px 18px;margin:0}
    .cta-strip{background:var(--blue);color:#fff;padding:30px 0;position:fixed;bottom:0;left:0;right:0;z-index:25;box-shadow:0 -8px 25px rgba(12,57,119,.16)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .cta-inner strong{font-size:19px}.cta-inner span{font-size:13px;color:#d9e9fb;margin-left:12px}
    .cta-strip .btn{background:#fff;color:var(--blue)}
    .footer{background:#e8f0f8;padding:56px 0 88px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer p,.footer li{color:var(--muted);font-size:13px}.footer p{margin-top:13px}
    .footer h4{font-size:15px;margin:0 0 14px}.footer ul{padding:0;margin:0}
    .footer li{list-style:none;margin:7px 0}.footer li a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #cad9e8;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    @media(max-width:1100px){.nav-link{padding:8px 6px;font-size:13px}.nav{gap:12px}.reading-grid{gap:35px}}
    @media(max-width:900px){.nav-side{display:none}.nav{display:flex;justify-content:space-between}.mobile-toggle{display:block}.hero-grid,.feature-grid,.news-layout,.reading-grid,.subscribe-grid{grid-template-columns:1fr}.hero-visual{order:-1}.hero-visual img{height:330px}.floating-note{left:15px}.aside-box{position:static}.footer-grid{grid-template-columns:2fr 1fr 1fr}}
    @media(max-width:640px){body{padding-bottom:122px}.container{width:min(100% - 36px,1180px)}.section{padding:62px 0}.hero{padding:38px 0 48px}.hero h1{font-size:39px}.hero-visual img{height:245px;border-width:5px}.stats{gap:8px}.stat{padding:13px 10px}.stat strong{font-size:20px}.section-head{display:block}.section-head p{margin-top:12px}.filter-bar{display:block}.filter-bar label{display:block;margin-top:12px}.story-card{grid-template-columns:105px 1fr}.story-card img{height:105px}.news-item{grid-template-columns:72px 1fr;gap:12px}.news-item .read-link{grid-column:2;padding-top:0}.news-item h3{font-size:17px}.timeline{grid-template-columns:1fr}.reading-intro{font-size:19px}.form-row{display:block}.form-row input{width:100%;margin-bottom:10px}.form-row .btn{width:100%}.cta-inner{display:block}.cta-inner span{display:block;margin:4px 0 11px}.cta-strip .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}

/* roulang page: category2 */
:root{
      --blue:#1769d1;
      --blue-dark:#0c3977;
      --blue-soft:#eaf3ff;
      --cyan:#16a6a0;
      --ink:#10233f;
      --muted:#60718b;
      --paper:#f6f9fd;
      --line:#dce7f3;
      --white:#fff;
      --radius:20px;
      --shadow:0 16px 42px rgba(29,71,119,.10);
      --shadow-sm:0 8px 24px rgba(29,71,119,.08);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.8;
      padding-bottom:78px;
    }
    a{text-decoration:none;color:inherit;transition:all .25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    ul{padding:0;margin:0}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .eyebrow:before{
      content:"";
      width:24px;
      height:2px;
      background:var(--cyan);
      display:inline-block;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:34px;
    }
    .section-head h2{
      margin:8px 0 0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.25;
      letter-spacing:-.03em;
    }
    .section-head p{
      max-width:580px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .topbar{
      height:78px;
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      transition:box-shadow .25s ease;
    }
    .topbar.scrolled{box-shadow:0 8px 22px rgba(29,71,119,.08)}
    .nav{
      height:78px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:25px;
    }
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{
      color:#4e607a;
      font-size:14px;
      padding:9px 11px;
      border-radius:10px;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--blue);
      background:var(--blue-soft);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--blue-dark);
      font-size:22px;
      font-weight:900;
      letter-spacing:-.06em;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:11px;
      background:var(--blue);
      color:#fff;
      font-size:14px;
      letter-spacing:-.08em;
    }
    .mobile-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:10px;
      color:var(--blue);
      background:var(--blue-soft);
      font-size:21px;
    }
    .mobile-menu{
      display:none;
      background:#fff;
      border-top:1px solid var(--line);
      padding:15px 20px 22px;
      box-shadow:var(--shadow);
    }
    .mobile-menu.open{display:block}
    .mobile-menu a{
      display:block;
      padding:11px 0;
      color:var(--ink);
      border-bottom:1px solid #eef3f8;
    }
    .mobile-menu a:hover,.mobile-menu a.active{
      color:var(--blue);
      padding-left:8px;
    }

    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0 21px;
      border-radius:12px;
      font-size:14px;
      font-weight:800;
      transition:all .25s ease;
    }
    .btn-primary{
      color:#fff;
      background:var(--blue);
      box-shadow:0 8px 18px rgba(23,105,209,.22);
    }
    .btn-primary:hover{
      color:#fff;
      background:#0e56b5;
      transform:translateY(-2px);
      box-shadow:0 12px 24px rgba(23,105,209,.28);
    }
    .btn-secondary{
      color:var(--blue);
      background:#fff;
      border:1px solid #b9d1ee;
    }
    .btn-secondary:hover{
      background:var(--blue-soft);
      border-color:var(--blue);
      transform:translateY(-2px);
    }
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(22,166,160,.38);
      outline-offset:3px;
    }

    .hero{
      padding:42px 0 76px;
      background:#eef6ff;
      border-bottom:1px solid #e0edf9;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:34px;
    }
    .breadcrumb a:hover{color:var(--blue)}
    .breadcrumb span{color:#9aacc1}
    .hero-grid{
      display:grid;
      grid-template-columns:5fr 7fr;
      align-items:center;
      gap:58px;
    }
    .hero-copy h1{
      max-width:620px;
      margin:17px 0 20px;
      font-size:clamp(37px,5vw,60px);
      line-height:1.18;
      letter-spacing:-.055em;
    }
    .hero-copy h1 span{color:var(--blue)}
    .hero-copy>p{
      max-width:580px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:29px 0 26px;
    }
    .hero-note{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--muted);
      font-size:13px;
    }
    .live-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(22,166,160,.12);
    }
    .hero-visual{
      position:relative;
      min-height:420px;
    }
    .hero-visual img{
      height:420px;
      border:8px solid rgba(255,255,255,.82);
      border-radius:26px;
      box-shadow:var(--shadow);
      background:#cbdced;
    }
    .hero-panel{
      position:absolute;
      left:-31px;
      bottom:26px;
      width:245px;
      padding:20px;
      border:1px solid #d7e8f8;
      border-radius:17px;
      background:rgba(255,255,255,.97);
      box-shadow:var(--shadow);
    }
    .hero-panel small{color:var(--muted);font-size:12px}
    .hero-panel strong{
      display:block;
      color:var(--blue-dark);
      font-size:27px;
      line-height:1.25;
      margin:5px 0 7px;
    }
    .hero-panel p{margin:0;color:var(--muted);font-size:12px}
    .status-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:27px;
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      color:var(--blue);
      background:var(--blue-soft);
      font-size:12px;
      font-weight:800;
    }
    .status-badge.teal{color:#087b76;background:#e4f6f3}
    .status-badge.gray{color:#60718b;background:#edf2f7}

    .schedule-intro{
      display:grid;
      grid-template-columns:1fr 1.25fr;
      gap:42px;
      align-items:start;
    }
    .intro-copy h2{
      margin:8px 0 15px;
      font-size:34px;
      line-height:1.3;
    }
    .intro-copy p{margin:0;color:var(--muted);font-size:16px}
    .intro-aside{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:13px;
    }
    .stat-box{
      min-height:126px;
      padding:19px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-sm);
    }
    .stat-box b{
      display:block;
      color:var(--blue-dark);
      font-size:28px;
      line-height:1.25;
      margin-bottom:8px;
    }
    .stat-box span{color:var(--muted);font-size:13px}

    .filter-section{
      padding:22px 0;
      background:#fff;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .filter-label{
      color:var(--blue-dark);
      font-weight:800;
      font-size:14px;
      white-space:nowrap;
    }
    .filter-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      flex:1;
    }
    .filter-btn{
      min-height:38px;
      padding:0 15px;
      color:var(--muted);
      background:#f5f8fc;
      border:1px solid #e2ebf4;
      border-radius:10px;
      font-size:13px;
      transition:all .2s ease;
    }
    .filter-btn:hover,.filter-btn.active{
      color:var(--blue);
      background:var(--blue-soft);
      border-color:#afd0f3;
    }
    .date-select{
      min-height:40px;
      min-width:155px;
      padding:0 12px;
      border:1px solid var(--line);
      border-radius:10px;
      color:var(--ink);
      background:#fff;
    }

    .spotlight{
      background:#f6faff;
      border-bottom:1px solid #e6eef7;
    }
    .spotlight-grid{
      display:grid;
      grid-template-columns:7fr 5fr;
      gap:22px;
      align-items:stretch;
    }
    .spotlight-main{
      position:relative;
      min-height:370px;
      overflow:hidden;
      border-radius:22px;
      color:#fff;
      background:var(--blue-dark);
    }
    .spotlight-main img{
      position:absolute;
      inset:0;
      height:100%;
      opacity:.82;
      background:#194b83;
    }
    .spotlight-main:after{
      content:"";
      position:absolute;
      inset:0;
      background:rgba(8,36,75,.48);
    }
    .spotlight-content{
      position:relative;
      z-index:1;
      max-width:600px;
      min-height:370px;
      padding:36px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
    }
    .spotlight-content h2{
      margin:12px 0 8px;
      font-size:32px;
      line-height:1.3;
    }
    .spotlight-content p{margin:0;color:#e4f0ff;font-size:15px}
    .spotlight-content .eyebrow{color:#bde2ff}
    .spotlight-side{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:30px;
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .spotlight-side h3{margin:10px 0 10px;font-size:23px;line-height:1.35}
    .spotlight-side p{margin:0;color:var(--muted);font-size:14px}
    .key-info{
      margin-top:25px;
      padding-top:19px;
      border-top:1px solid var(--line);
    }
    .key-info-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 0;
      color:var(--muted);
      font-size:13px;
    }
    .key-info-row strong{color:var(--ink);font-weight:800}

    .timeline-wrap{
      display:grid;
      grid-template-columns:190px 1fr;
      gap:50px;
    }
    .timeline-intro h2{margin:8px 0 15px;font-size:34px;line-height:1.3}
    .timeline-intro p{margin:0;color:var(--muted);font-size:15px}
    .timeline{
      position:relative;
      padding-left:28px;
      border-left:2px solid #cde0f3;
    }
    .day-group{
      position:relative;
      margin-bottom:42px;
    }
    .day-group:last-child{margin-bottom:0}
    .day-group:before{
      content:"";
      position:absolute;
      left:-36px;
      top:6px;
      width:14px;
      height:14px;
      border:3px solid var(--blue);
      border-radius:50%;
      background:#fff;
    }
    .day-heading{
      display:flex;
      align-items:baseline;
      gap:12px;
      margin-bottom:14px;
    }
    .day-heading h3{margin:0;font-size:22px}
    .day-heading span{color:var(--muted);font-size:13px}
    .schedule-item{
      display:grid;
      grid-template-columns:95px 1fr auto;
      gap:20px;
      align-items:center;
      padding:18px 20px;
      margin-bottom:10px;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff;
      box-shadow:0 5px 18px rgba(29,71,119,.045);
      transition:all .24s ease;
    }
    .schedule-item:hover{
      transform:translateX(4px);
      border-color:#a9c9ec;
      box-shadow:var(--shadow-sm);
    }
    .schedule-item.is-hidden{display:none}
    .schedule-time strong{
      display:block;
      color:var(--blue-dark);
      font-size:20px;
      line-height:1.25;
    }
    .schedule-time span{color:var(--muted);font-size:12px}
    .schedule-content h4{margin:0 0 4px;font-size:17px}
    .schedule-content p{margin:0;color:var(--muted);font-size:13px}
    .schedule-meta{text-align:right}
    .schedule-meta .status-badge{margin-bottom:6px}
    .schedule-meta small{display:block;color:var(--muted);font-size:12px;white-space:nowrap}

    .detail-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .detail-grid{
      display:grid;
      grid-template-columns:5fr 7fr;
      gap:58px;
      align-items:center;
    }
    .detail-image img{
      height:365px;
      border-radius:22px;
      background:#cfdfef;
      box-shadow:var(--shadow);
    }
    .detail-copy h2{margin:9px 0 16px;font-size:34px;line-height:1.3}
    .detail-copy>p{color:var(--muted);font-size:16px;margin:0 0 20px}
    .detail-list{border-top:1px solid var(--line)}
    .detail-list li{
      display:flex;
      gap:15px;
      padding:13px 0;
      border-bottom:1px solid var(--line);
      list-style:none;
      color:var(--muted);
      font-size:14px;
    }
    .detail-list b{min-width:76px;color:var(--ink)}

    .flow-section{background:var(--blue-soft)}
    .flow-grid{
      display:grid;
      grid-template-columns:1fr 2fr;
      gap:45px;
      align-items:start;
    }
    .flow-lead h2{margin:8px 0 15px;font-size:34px;line-height:1.3}
    .flow-lead p{margin:0;color:var(--muted);font-size:15px}
    .flow-steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:15px;
    }
    .flow-step{
      min-height:200px;
      padding:23px;
      border-radius:16px;
      background:#fff;
      border:1px solid #d0e2f5;
      box-shadow:0 8px 20px rgba(29,71,119,.06);
    }
    .flow-step .number{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:#fff;
      background:var(--blue);
      font-weight:800;
      margin-bottom:19px;
    }
    .flow-step h3{margin:0 0 8px;font-size:18px}
    .flow-step p{margin:0;color:var(--muted);font-size:13px}

    .reading-section{background:#fff}
    .reading-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:48px;
      align-items:start;
    }
    .reading-copy h2{margin:8px 0 17px;font-size:34px;line-height:1.3}
    .reading-copy p{margin:0 0 16px;color:var(--muted);font-size:15px}
    .reading-copy p:last-child{margin-bottom:0}
    .reading-aside{
      padding:26px 29px;
      border-left:4px solid var(--cyan);
      background:#f4fbfb;
      border-radius:0 17px 17px 0;
    }
    .reading-aside h3{margin:0 0 13px;font-size:20px}
    .reading-aside p{margin:0;color:var(--muted);font-size:14px}
    .reading-points{margin-top:19px}
    .reading-points li{
      display:flex;
      gap:10px;
      list-style:none;
      padding:10px 0;
      border-bottom:1px solid #d8eeec;
      color:var(--ink);
      font-size:14px;
    }
    .reading-points li:before{
      content:"✓";
      color:var(--cyan);
      font-weight:900;
    }

    .trust-section{background:#f6f9fd}
    .trust-grid{
      display:grid;
      grid-template-columns:1.2fr 2fr;
      gap:42px;
      align-items:center;
    }
    .trust-quote{
      padding:28px 31px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .trust-quote blockquote{
      margin:0;
      color:var(--blue-dark);
      font-size:20px;
      line-height:1.65;
      font-weight:700;
    }
    .trust-quote cite{
      display:block;
      margin-top:17px;
      color:var(--muted);
      font-size:13px;
      font-style:normal;
    }
    .trust-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:13px;
    }
    .trust-stat{
      padding:23px 18px;
      border-top:3px solid var(--blue);
      background:#fff;
      border-radius:14px;
      border-bottom:1px solid var(--line);
    }
    .trust-stat:nth-child(2){border-top-color:var(--cyan)}
    .trust-stat:nth-child(3){border-top-color:#72a9df}
    .trust-stat b{display:block;font-size:29px;color:var(--blue-dark);line-height:1.25}
    .trust-stat span{display:block;color:var(--muted);font-size:13px;margin-top:8px}

    .subscribe-section{background:#fff}
    .subscribe-box{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:42px;
      align-items:center;
      padding:38px 42px;
      border-radius:22px;
      background:#eaf3ff;
      border:1px solid #cfe2f7;
    }
    .subscribe-box h2{margin:8px 0 12px;font-size:31px;line-height:1.3}
    .subscribe-box p{margin:0;color:var(--muted);font-size:14px}
    .subscribe-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      align-items:end;
    }
    .field-label{
      display:block;
      margin-bottom:6px;
      color:var(--ink);
      font-size:13px;
      font-weight:800;
    }
    .subscribe-form input{
      width:100%;
      min-height:48px;
      padding:0 15px;
      border:1px solid #c7daed;
      border-radius:11px;
      outline:none;
      color:var(--ink);
      background:#fff;
    }
    .subscribe-form input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,209,.11)}
    .form-message{
      grid-column:1 / -1;
      min-height:22px;
      margin-top:2px;
      color:var(--cyan);
      font-size:13px;
    }

    .faq-section{background:#f6f9fd}
    .faq-list{max-width:870px;margin:0 auto}
    .faq-item{
      margin-bottom:11px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      transition:border-color .25s ease,box-shadow .25s ease;
    }
    .faq-item[open]{border-color:#a9c9ec;box-shadow:var(--shadow-sm)}
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:18px 21px;
      list-style:none;
      cursor:pointer;
      color:var(--ink);
      font-size:15px;
      font-weight:800;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      flex:0 0 auto;
      width:25px;
      height:25px;
      display:grid;
      place-items:center;
      border-radius:8px;
      color:var(--blue);
      background:var(--blue-soft);
      font-size:20px;
      font-weight:400;
      transition:transform .25s ease;
    }
    .faq-item[open] summary:after{content:"−";transform:rotate(180deg)}
    .faq-answer{
      padding:0 21px 19px;
      color:var(--muted);
      font-size:14px;
    }

    .related-section{background:#fff}
    .related-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr .65fr;
      gap:16px;
    }
    .related-item{
      display:flex;
      flex-direction:column;
      min-height:220px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:17px;
      background:#fff;
      transition:all .25s ease;
    }
    .related-item.featured{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark)}
    .related-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .related-item h3{margin:11px 0 8px;font-size:20px}
    .related-item p{margin:0;color:var(--muted);font-size:13px}
    .related-item.featured p{color:#dcecff}
    .related-item .related-link{margin-top:auto;padding-top:22px;color:var(--blue);font-size:13px;font-weight:800}
    .related-item.featured .related-link{color:#9bd9dc}

    .cta-band{
      padding:38px 0;
      color:#fff;
      background:var(--blue);
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
    }
    .cta-inner h2{margin:0 0 5px;font-size:28px;line-height:1.3}
    .cta-inner p{margin:0;color:#ddecff;font-size:14px}
    .cta-band .btn-primary{color:var(--blue-dark);background:#fff;box-shadow:none}
    .cta-band .btn-primary:hover{background:#edf7ff;color:var(--blue-dark)}

    .footer{
      padding:56px 0 90px;
      background:#e8f0f8;
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1fr;
      gap:35px;
    }
    .footer p,.footer li{color:var(--muted);font-size:13px}
    .footer p{margin:13px 0 0}
    .footer h4{margin:0 0 14px;font-size:15px}
    .footer li{list-style:none;margin:7px 0}
    .footer li a:hover{color:var(--blue)}
    .copyright{
      display:flex;
      flex-wrap:wrap;
      gap:10px 24px;
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid #cfdeec;
      color:var(--muted);
      font-size:12px;
    }
    .copyright a:hover{color:var(--blue)}

    .fixed-cta{
      position:fixed;
      right:24px;
      bottom:20px;
      left:24px;
      z-index:25;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:10px 14px 10px 25px;
      border:1px solid rgba(23,105,209,.15);
      border-radius:15px;
      background:#fff;
      box-shadow:0 10px 32px rgba(23,76,131,.18);
    }
    .fixed-cta strong{display:block;font-size:15px;line-height:1.3}
    .fixed-cta span{color:var(--muted);font-size:12px}
    .fixed-cta .btn{min-height:40px;padding:0 18px}
    .back-top{
      position:fixed;
      right:24px;
      bottom:96px;
      z-index:24;
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      border-radius:11px;
      color:var(--blue);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      opacity:0;
      pointer-events:none;
      transition:all .25s ease;
    }
    .back-top.visible{opacity:1;pointer-events:auto}
    .back-top:hover{background:var(--blue-soft);transform:translateY(-2px)}

    @media (max-width:1100px){
      .nav-side{gap:2px}
      .nav-link{padding:8px 7px;font-size:13px}
      .hero-grid,.detail-grid{gap:35px}
      .timeline-wrap{gap:32px}
    }
    @media (max-width:900px){
      .nav{grid-template-columns:1fr auto}
      .nav-side{display:none}
      .brand{justify-self:start}
      .mobile-toggle{display:block;justify-self:end}
      .hero-grid,.schedule-intro,.spotlight-grid,.detail-grid,.flow-grid,.reading-layout,.trust-grid,.subscribe-box{grid-template-columns:1fr}
      .hero-visual{max-width:700px;width:100%;margin:0 auto}
      .hero-copy{order:1}
      .hero-visual{order:2}
      .hero-panel{left:22px}
      .intro-aside{max-width:700px}
      .timeline-wrap{grid-template-columns:1fr;gap:28px}
      .timeline-intro{max-width:650px}
      .detail-image{max-width:700px}
      .flow-steps{max-width:700px}
      .subscribe-form{max-width:650px}
      .related-grid{grid-template-columns:1fr 1fr}
      .related-item.featured{grid-column:1 / -1}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-brand{grid-column:1 / -1}
    }
    @media (max-width:640px){
      body{padding-bottom:123px}
      .container{width:min(100% - 36px,1180px)}
      .section{padding:64px 0}
      .section-tight{padding:45px 0}
      .topbar,.nav{height:68px}
      .nav{width:calc(100% - 36px)}
      .brand{font-size:20px}
      .brand-mark{width:31px;height:31px;border-radius:9px}
      .hero{padding:27px 0 55px}
      .breadcrumb{margin-bottom:24px}
      .hero-copy h1{font-size:39px}
      .hero-copy>p{font-size:15px}
      .hero-actions .btn{flex:1 1 145px}
      .hero-visual,.hero-visual img{min-height:275px;height:275px}
      .hero-panel{position:relative;left:12px;bottom:auto;margin-top:-47px;width:calc(100% - 24px);padding:16px}
      .hero-panel strong{font-size:23px}
      .status-row{margin-top:21px}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px;font-size:14px}
      .intro-aside{grid-template-columns:1fr 1fr}
      .stat-box:last-child{grid-column:1 / -1}
      .filter-bar{display:block}
      .filter-label{display:block;margin-bottom:11px}
      .filter-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .filter-btn{flex:0 0 auto}
      .date-select{width:100%;margin-top:11px}
      .spotlight-content{min-height:330px;padding:24px}
      .spotlight-main{min-height:330px}
      .spotlight-content h2{font-size:27px}
      .spotlight-side{padding:24px}
      .day-heading{display:block}
      .day-heading span{display:block;margin-top:3px}
      .timeline{padding-left:20px}
      .day-group:before{left:-28px}
      .schedule-item{
        grid-template-columns:75px 1fr;
        gap:12px;
        padding:15px;
      }
      .schedule-meta{
        grid-column:2;
        text-align:left;
        display:flex;
        align-items:center;
        gap:10px;
      }
      .schedule-meta .status-badge{margin:0}
      .schedule-meta small{white-space:normal}
      .detail-copy h2,.flow-lead h2,.reading-copy h2{font-size:29px}
      .detail-image img{height:270px}
      .flow-steps{grid-template-columns:1fr}
      .flow-step{min-height:0}
      .trust-stats{grid-template-columns:1fr 1fr}
      .trust-stat:last-child{grid-column:1 / -1}
      .subscribe-box{padding:26px 21px}
      .subscribe-box h2{font-size:27px}
      .subscribe-form{grid-template-columns:1fr}
      .subscribe-form .btn{width:100%}
      .related-grid{grid-template-columns:1fr}
      .related-item.featured{grid-column:auto}
      .cta-inner{display:block}
      .cta-inner .btn{margin-top:18px;width:100%}
      .footer{padding-bottom:45px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-brand{grid-column:1 / -1}
      .copyright{display:block;margin-top:28px}
      .copyright span{display:block;margin-bottom:7px}
      .fixed-cta{
        right:12px;
        bottom:12px;
        left:12px;
        display:block;
        padding:13px 14px;
      }
      .fixed-cta .btn{width:100%;margin-top:9px}
      .back-top{right:14px;bottom:126px}
    }

/* roulang page: category7 */
:root{
      --blue:#1769d1;--blue-dark:#0c3977;--blue-soft:#eaf3ff;--cyan:#16a6a0;
      --ink:#10233f;--muted:#60718b;--paper:#f6f9fd;--line:#dce7f3;
      --white:#fff;--radius:20px;--shadow:0 16px 42px rgba(29,71,119,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;padding-bottom:76px}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:82px 0}
    .section-tight{padding:56px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px;margin:0}
    .topbar{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px}
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 11px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:15px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #eef3f8;color:var(--ink)}
    .page-hero{padding:64px 0 70px;background:linear-gradient(120deg,#f8fbff,#eaf3ff 62%,#e8f6f5);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(23,105,209,.13);border-radius:50%;right:-80px;top:-100px}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:28px}
    .crumb a{color:var(--blue)}
    .hero-layout{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}
    .hero-layout h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:16px 0 20px;max-width:680px}
    .hero-layout h1 span{color:var(--blue)}
    .hero-layout p{color:var(--muted);font-size:17px;max-width:620px}
    .hero-image{height:300px;border-radius:24px;box-shadow:var(--shadow);border:7px solid rgba(255,255,255,.85)}
    .badge{display:inline-flex;align-items:center;min-height:28px;padding:0 11px;border-radius:20px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:12px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#0e56b5;transform:translateY(-2px)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:active{transform:translateY(1px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .index-wrap{display:grid;grid-template-columns:280px 1fr;gap:32px}
    .index-card,.panel,.faq-item,.feedback{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(29,71,119,.05)}
    .index-card{padding:24px;align-self:start;position:sticky;top:105px}
    .index-card h3{margin:0 0 13px;font-size:18px}
    .index-card a{display:block;padding:10px 0;border-bottom:1px solid #edf2f7;color:var(--muted);font-size:14px}
    .index-card a:hover{color:var(--blue);padding-left:5px}
    .quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .quick-item{padding:23px;border-radius:16px;background:var(--blue-soft);border:1px solid #d2e3f5}
    .quick-item:nth-child(2){background:#fff}
    .quick-item:nth-child(3){background:#eef8f6}
    .quick-item h3{font-size:19px;margin:10px 0 5px}
    .quick-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-area{background:#edf5fc}
    .faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .faq-item{margin-bottom:13px;padding:0 20px}
    summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:2px;top:15px;color:var(--blue);font-size:22px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 18px;padding-top:3px;border-top:1px solid #edf2f7}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:25px 22px 10px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{color:var(--blue);font-size:13px;font-weight:800}
    .step h3{font-size:18px;margin:10px 0 6px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .reading-grid{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:stretch}
    .reading-grid img{height:330px;border-radius:22px}
    .reading-copy{padding:10px 0}
    .reading-copy p{color:var(--muted);font-size:15px}
    .list-panel{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .list-row{display:grid;grid-template-columns:110px 1fr 90px;gap:20px;padding:18px 22px;border-bottom:1px solid #edf2f7;align-items:center}
    .list-row:last-child{border-bottom:0}
    .list-row time{color:var(--blue);font-size:12px;font-weight:700}
    .list-row h3{font-size:16px;margin:0 0 3px}
    .list-row p{color:var(--muted);font-size:13px;margin:0}
    .list-row a{font-size:13px;color:var(--blue);font-weight:700;text-align:right}
    .feedback{padding:27px;background:#fff}
    .feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
    .field label{font-size:13px;font-weight:700}
    .field input,.field textarea{border:1px solid var(--line);border-radius:11px;padding:11px 13px;color:var(--ink);background:#fbfdff}
    .field textarea{min-height:110px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin-top:8px}
    .related{display:flex;gap:12px;flex-wrap:wrap}
    .related a{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 17px;color:var(--blue);font-size:14px}
    .related a:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}
    .cta{background:var(--blue-dark);color:#fff;padding:42px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:27px;margin:0 0 5px}
    .cta p{color:#c9dcf4;margin:0;font-size:14px}
    .cta .btn{background:#fff;color:var(--blue-dark)}
    .footer{background:#e8f0f8;padding:56px 0 90px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer p,.footer li{color:var(--muted);font-size:13px}
    .footer p{margin-top:13px}
    .footer h4{font-size:15px;margin:0 0 14px}
    .footer ul{padding:0;margin:0}
    .footer li{list-style:none;margin:7px 0}
    .footer li a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #ccdae8;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .copyright a:hover{color:var(--blue)}
    .bottom-cta{position:fixed;bottom:0;left:0;right:0;background:rgba(12,57,119,.97);color:#fff;z-index:25}
    .bottom-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .bottom-inner strong{font-size:15px}.bottom-inner span{font-size:13px;color:#c9dcf4;margin-left:14px}
    .bottom-cta .btn{min-height:40px;background:var(--cyan);color:#fff;padding:0 18px}
    @media(max-width:1100px){.nav-side{gap:2px}.nav-link{padding:8px 7px;font-size:13px}.hero-layout{gap:35px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:800px){
      .topbar,.nav{height:68px}.nav{display:flex;justify-content:space-between}.nav-side{display:none}.brand{font-size:20px}.mobile-toggle{display:block}.mobile-menu.open{display:block}
      .hero-layout,.index-wrap,.reading-grid{grid-template-columns:1fr}.page-hero{padding:42px 0 50px}.hero-image{height:260px}.index-card{position:static}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step{border-bottom:1px solid var(--line)}
      .faq-columns,.feedback-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:560px){
      body{padding-bottom:112px}.container{width:min(100% - 36px,1180px)}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .quick-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{border-right:0;padding:20px 0}.list-row{grid-template-columns:1fr;gap:4px;padding:16px}.list-row a{text-align:left;margin-top:5px}.footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-brand{grid-column:1/-1}
      .bottom-inner{min-height:96px;align-items:flex-start;padding:14px 0}.bottom-inner span{display:block;margin:2px 0 0}.bottom-cta .btn{white-space:nowrap}
    }

/* roulang page: category5 */
:root{
      --blue:#1769d1;--blue-dark:#0c3977;--blue-soft:#eaf3ff;--cyan:#16a6a0;
      --ink:#10233f;--muted:#60718b;--paper:#f6f9fd;--line:#dce7f3;
      --white:#fff;--radius:20px;--shadow:0 16px 42px rgba(29,71,119,.10);
      --shadow-sm:0 8px 24px rgba(29,71,119,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;padding-bottom:82px}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:78px 0}.section-soft{background:#edf5fc}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .topbar{height:78px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
    .nav-side{display:flex;align-items:center;gap:6px}.nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 10px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px;font-size:19px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:14px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu.open{display:block}.mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #edf2f7;color:var(--ink)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:800;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#105ab9;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}.btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:active{transform:translateY(1px)}.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .breadcrumb{font-size:13px;color:var(--muted);padding:21px 0 0}.breadcrumb a{color:var(--blue)}.breadcrumb span{padding:0 8px;color:#9bb0c8}
    .reading-hero{padding:38px 0 66px;background:linear-gradient(125deg,#f8fbff 0%,#e8f2ff 68%,#e8f7f5 100%)}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:50px;align-items:center}
    .hero-copy h1{font-size:clamp(38px,5.1vw,62px);line-height:1.16;letter-spacing:-.06em;margin:18px 0 20px}.hero-copy h1 span{color:var(--blue)}
    .hero-copy>p{font-size:17px;color:var(--muted);margin:0;max-width:570px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-note{display:flex;gap:11px;align-items:center;margin-top:25px;font-size:13px;color:#57708e}.hero-note b{color:var(--cyan)}
    .cover-frame{position:relative}.cover-frame img{height:395px;border-radius:26px;border:8px solid rgba(255,255,255,.78);box-shadow:var(--shadow)}
    .cover-label{position:absolute;left:-18px;bottom:25px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px 17px;box-shadow:var(--shadow-sm);font-size:13px;color:var(--muted)}.cover-label strong{display:block;color:var(--blue-dark);font-size:16px}
    .chapter-bar{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 20px;display:flex;gap:11px;align-items:center;overflow:auto;box-shadow:var(--shadow-sm)}
    .chapter-bar b{white-space:nowrap;font-size:14px}.chapter-bar a{white-space:nowrap;padding:6px 11px;border-radius:9px;color:var(--muted);font-size:13px}.chapter-bar a:hover{background:var(--blue-soft);color:var(--blue)}
    .feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}.feature-article{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .feature-article img{height:302px}.feature-copy{padding:28px}.feature-copy h2{font-size:28px;line-height:1.35;margin:10px 0}.feature-copy p{color:var(--muted);margin:0 0 20px}
    .meta-row{display:flex;gap:14px;flex-wrap:wrap;color:#66809f;font-size:13px}.tag{display:inline-flex;align-items:center;border-radius:99px;padding:4px 10px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:800}
    .side-reads{border-top:1px solid var(--line)}.side-read{padding:20px 2px;border-bottom:1px solid var(--line)}.side-read h3{font-size:18px;line-height:1.45;margin:8px 0}.side-read p{font-size:14px;color:var(--muted);margin:0}.read-link{color:var(--blue);font-size:14px;font-weight:800}.read-link:hover{color:var(--cyan)}
    .article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(270px,4fr);gap:50px;align-items:start}.article-body{font-size:16px;color:#40536d}.article-body h2{color:var(--ink);font-size:30px;line-height:1.35;margin:0 0 17px}.article-body h3{color:var(--blue-dark);font-size:21px;margin:28px 0 10px}.article-body p{margin:0 0 18px}
    .quote{margin:30px 0;padding:23px 26px;border-left:4px solid var(--cyan);background:#eff9f8;border-radius:0 16px 16px 0;color:#28505c;font-size:18px;line-height:1.75}
    .reading-list{padding-left:0;list-style:none;margin:20px 0}.reading-list li{position:relative;padding:11px 0 11px 27px;border-bottom:1px solid var(--line)}.reading-list li:before{content:"";position:absolute;left:4px;top:23px;width:9px;height:9px;border-radius:50%;background:var(--cyan)}
    .toc{position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:var(--shadow-sm)}.toc h3{margin:0 0 12px;font-size:18px}.toc a{display:block;padding:9px 0;border-bottom:1px solid #edf2f7;color:var(--muted);font-size:14px}.toc a:hover{color:var(--blue);padding-left:5px}.toc small{color:#8294aa}
    .split-story{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}.split-story img{height:355px;border-radius:22px;box-shadow:var(--shadow-sm)}.split-story h2{font-size:34px;line-height:1.35;margin:10px 0 18px}.split-story p{color:var(--muted);margin-bottom:17px}
    .insight-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:17px}.insight{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.25s}.insight:hover{transform:translateY(-4px);border-color:#9bc0eb;box-shadow:var(--shadow)}.insight:first-child{background:var(--blue);color:#fff}.insight h3{font-size:21px;line-height:1.4;margin:12px 0}.insight p{font-size:14px;color:var(--muted);margin:0}.insight:first-child p,.insight:first-child .tag{color:#dcecff;background:rgba(255,255,255,.13)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}.related:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.related img{height:165px}.related-copy{padding:20px}.related h3{font-size:18px;line-height:1.45;margin:10px 0}.related p{font-size:14px;color:var(--muted);margin:0 0 14px}
    .pager{display:flex;justify-content:space-between;gap:16px;margin-top:35px;border-top:1px solid var(--line);padding-top:25px}.pager a{max-width:48%;color:var(--blue);font-weight:800;font-size:14px}.pager a:last-child{text-align:right}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 19px;transition:.25s}.faq-list details[open]{border-color:#9fc5ef;box-shadow:var(--shadow-sm)}.faq-list summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:800;position:relative}.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .subscribe{background:var(--blue-dark);color:#fff;border-radius:24px;padding:40px 46px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.subscribe h2{font-size:30px;line-height:1.35;margin:8px 0}.subscribe p{margin:0;color:#c9dcf7}.form-row{display:flex;gap:10px}.form-row input{height:48px;width:245px;border:0;border-radius:11px;padding:0 15px;color:var(--ink);outline:none}.form-row .btn{background:var(--cyan);color:#fff}.form-row .btn:hover{background:#0c8580}
    .footer{background:#e8f0f8;padding:56px 0 92px;margin-top:78px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px}.footer-brand p{color:#5b708b;font-size:14px;margin:17px 0 0;max-width:330px}.footer h4{font-size:15px;margin:4px 0 15px}.footer ul{margin:0;padding:0;list-style:none}.footer li{margin:8px 0;color:#59708c;font-size:14px}.footer li a:hover{color:var(--blue)}.copyright{margin-top:42px;padding-top:20px;border-top:1px solid #cbd9e8;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#637893;font-size:12px}.copyright a{color:var(--blue)}
    .fixed-cta{position:fixed;z-index:25;bottom:0;left:0;right:0;background:rgba(12,57,119,.97);color:#fff;border-top:1px solid rgba(255,255,255,.16);box-shadow:0 -8px 24px rgba(12,57,119,.14)}.fixed-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-inner strong{font-size:15px}.fixed-inner span{color:#bdd5f3;font-size:13px;margin-left:10px}.fixed-cta .btn{background:var(--cyan);color:#fff;min-height:40px}.fixed-cta .btn:hover{background:#0d8580}
    @media(max-width:1100px){.nav-link{padding:8px 7px;font-size:13px}.nav{gap:10px}.hero-grid,.article-layout{gap:30px}.footer-grid{gap:22px}}
    @media(max-width:900px){.nav-side{display:none}.nav{grid-template-columns:1fr auto;justify-items:start}.brand{grid-column:1}.mobile-toggle{display:block;grid-column:2;grid-row:1;justify-self:end}.hero-grid,.feature-grid,.article-layout,.split-story{grid-template-columns:1fr}.cover-frame{max-width:670px}.toc{position:static;order:-1}.insight-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.section{padding:62px 0}}
    @media(max-width:640px){body{padding-bottom:104px}.container{width:min(100% - 36px,1180px)}.reading-hero{padding-bottom:48px}.hero-copy h1{font-size:38px}.cover-frame img{height:265px}.cover-label{left:12px;bottom:12px}.chapter-bar{margin:0 -3px;padding:13px}.section-head{display:block}.section-head p{margin-top:13px}.feature-article img{height:230px}.feature-copy{padding:21px}.feature-copy h2{font-size:24px}.article-body h2{font-size:27px}.split-story img{height:260px}.insight-grid,.related-grid,.faq-list,.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.subscribe{padding:29px 24px;grid-template-columns:1fr}.subscribe h2{font-size:26px}.form-row{display:block}.form-row input{width:100%;margin-bottom:10px}.form-row .btn{width:100%}.pager{font-size:13px}.fixed-inner{min-height:92px}.fixed-inner span{display:none}.fixed-inner strong{font-size:13px;line-height:1.45}.fixed-cta .btn{padding:0 15px;white-space:nowrap}.copyright{display:block}.copyright span{display:block;margin:6px 0}}

/* roulang page: category6 */
:root{
      --blue:#1769d1;
      --blue-dark:#0c3977;
      --blue-soft:#eaf3ff;
      --cyan:#16a6a0;
      --ink:#10233f;
      --muted:#60718b;
      --paper:#f6f9fd;
      --line:#dce7f3;
      --white:#fff;
      --radius:20px;
      --shadow:0 16px 42px rgba(29,71,119,.10);
      --shadow-sm:0 8px 24px rgba(29,71,119,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.8;
      padding-bottom:76px;
    }
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
    .topbar{height:78px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px}
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#4e607a;padding:9px 11px;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{font-size:22px;font-weight:900;letter-spacing:-.06em;color:var(--blue-dark);display:flex;align-items:center;gap:9px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;letter-spacing:-.08em}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border-radius:10px;width:42px;height:42px}
    .mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:15px 20px 22px;box-shadow:var(--shadow)}
    .mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid #eef3f8;color:var(--ink)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:12px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.22)}
    .btn-primary:hover{background:#0e56b5;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #b9d1ee}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(22,166,160,.35);outline-offset:3px}
    .page-hero{padding:62px 0 58px;background:linear-gradient(120deg,#f8fbff 0%,#edf5ff 64%,#e8f7f5 100%)}
    .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:30px}
    .crumbs a{color:var(--blue)}
    .hero-layout{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:center}
    .hero-copy h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-.055em;margin:16px 0 20px}
    .hero-copy h1 span{color:var(--blue)}
    .hero-copy>p{color:var(--muted);font-size:17px;max-width:575px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-note{display:flex;gap:10px;flex-wrap:wrap}
    .badge{display:inline-flex;align-items:center;gap:6px;background:var(--blue-soft);color:var(--blue);border-radius:99px;padding:5px 11px;font-size:12px;font-weight:700}
    .badge.cyan{background:#e3f6f4;color:#07847f}
    .hero-image{position:relative}
    .hero-image img{height:350px;border-radius:26px;box-shadow:var(--shadow);border:8px solid rgba(255,255,255,.78)}
    .image-label{position:absolute;left:24px;bottom:23px;background:rgba(255,255,255,.94);border-radius:13px;padding:11px 15px;color:var(--blue-dark);font-weight:700;font-size:13px;box-shadow:var(--shadow-sm)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .intro-panel,.guide-panel,.tip-panel,.subscribe-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .intro-panel{padding:32px}
    .intro-panel h2{font-size:30px;line-height:1.3;margin:8px 0 15px}
    .intro-panel p{color:var(--muted);margin:0}
    .quick-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .quick-item{padding:22px;background:var(--blue-soft);border:1px solid #d5e6f8;border-radius:16px;transition:.25s}
    .quick-item:hover{transform:translateY(-3px);border-color:#a8c9eb;box-shadow:var(--shadow-sm)}
    .quick-item strong{display:block;color:var(--blue-dark);font-size:17px;margin-bottom:5px}
    .quick-item span{font-size:13px;color:var(--muted)}
    .path-grid{display:grid;grid-template-columns:4fr 8fr;gap:35px;align-items:start}
    .path-nav{position:sticky;top:103px}
    .path-nav h3{font-size:22px;margin:0 0 14px}
    .path-nav p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .path-tabs{display:flex;flex-direction:column;gap:8px}
    .path-tab{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border:1px solid var(--line);background:#fff;border-radius:13px;color:#4d607a;text-align:left}
    .path-tab:hover,.path-tab.active{border-color:#9ec3ea;color:var(--blue);background:var(--blue-soft)}
    .path-tab small{font-size:12px;color:var(--cyan)}
    .scene-content{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow-sm)}
    .scene-content h3{font-size:26px;margin:0 0 10px}
    .scene-content>p{color:var(--muted);margin-top:0}
    .scene-screen{margin:22px 0;background:#f3f7fc;border:1px solid var(--line);border-radius:16px;padding:18px}
    .screen-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:12px}
    .screen-title{font-weight:800;color:var(--blue-dark)}
    .screen-row{display:grid;grid-template-columns:90px 1fr auto;gap:15px;align-items:center;padding:13px 0;border-bottom:1px solid #e5edf5;font-size:14px}
    .screen-row:last-child{border-bottom:0}
    .screen-row time{color:var(--blue);font-weight:700;font-size:12px}
    .screen-row span{color:var(--muted)}
    .status{font-size:12px;padding:3px 8px;border-radius:99px;background:#e4f6f2;color:#087c76;white-space:nowrap}
    .status.wait{background:#fff2dc;color:#a96b09}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:22px}
    .step{border-top:3px solid var(--blue);padding:17px 3px 0}
    .step em{font-style:normal;color:var(--cyan);font-weight:800;font-size:13px}
    .step h4{font-size:18px;margin:6px 0}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .filter-section{background:#edf5fc}
    .filter-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
    .filter-copy h2{font-size:34px;line-height:1.3;margin:10px 0 14px}
    .filter-copy p{color:var(--muted);max-width:600px}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow-sm)}
    .filter-box label{font-size:13px;color:var(--muted);display:block;margin-bottom:7px}
    .filter-box input,.filter-box select{width:100%;height:46px;border:1px solid var(--line);border-radius:11px;padding:0 13px;color:var(--ink);background:#fbfdff;margin-bottom:13px}
    .filter-actions{display:flex;gap:9px;flex-wrap:wrap}
    .filter-chip{padding:8px 12px;border-radius:99px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .reading-grid{display:grid;grid-template-columns:7fr 5fr;gap:25px}
    .reading-main{background:#fff;border-radius:22px;border:1px solid var(--line);padding:32px;box-shadow:var(--shadow-sm)}
    .reading-main h2{font-size:30px;line-height:1.35;margin:0 0 15px}
    .reading-main p{color:var(--muted);font-size:16px}
    .reading-main p + p{margin-top:15px}
    .note-box{margin-top:22px;background:var(--blue-soft);border-left:4px solid var(--blue);padding:17px 20px;border-radius:0 13px 13px 0;color:var(--blue-dark);font-size:14px}
    .tip-panel{padding:27px;background:#f3faf9;border-color:#cfe9e6}
    .tip-panel h3{font-size:22px;margin:0 0 12px}
    .tip-panel ul{padding-left:20px;color:var(--muted);margin:0}
    .tip-panel li{margin:9px 0}
    .mobile-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .mobile-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px}
    .mobile-card b{font-size:18px;display:block;margin-bottom:8px}
    .mobile-card p{color:var(--muted);font-size:14px;margin:0}
    .mobile-number{color:var(--blue);font-size:30px;font-weight:900;line-height:1}
    .faq-list{max-width:900px;margin:auto}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;padding:0 20px;box-shadow:0 4px 14px rgba(29,71,119,.04)}
    summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--blue);font-size:23px;line-height:1}
    details[open]{border-color:#a9c8e8}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 19px;padding-right:35px}
    .related-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}
    .related-main{position:relative;min-height:270px;border-radius:22px;overflow:hidden;color:#fff}
    .related-main img{position:absolute;inset:0;height:100%}
    .related-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,36,75,.86),rgba(8,36,75,.05) 75%)}
    .related-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}
    .related-copy h3{font-size:27px;line-height:1.3;margin:10px 0 5px}
    .related-copy p{font-size:14px;margin:0;color:#e8f2ff}
    .related-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
    .related-list h3{font-size:20px;margin:0 0 13px}
    .related-list a{display:block;padding:13px 0;border-bottom:1px solid #edf2f7;color:#4d607a;font-size:14px}
    .related-list a:last-child{border-bottom:0}
    .related-list a:hover{color:var(--blue);padding-left:5px}
    .cta-section{padding:50px 0}
    .cta-box{background:var(--blue-dark);color:#fff;border-radius:24px;padding:35px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:29px;line-height:1.3;margin:0 0 7px}
    .cta-box p{color:#cfe0f5;margin:0;font-size:14px}
    .cta-box .btn-primary{background:#fff;color:var(--blue-dark);box-shadow:none}
    .cta-box .btn-primary:hover{background:#e9f4ff}
    .fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:25;background:rgba(12,57,119,.97);color:#fff;padding:13px 20px;box-shadow:0 -8px 25px rgba(16,55,101,.15)}
    .fixed-cta-inner{width:min(1180px,100%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .fixed-cta strong{font-size:15px}
    .fixed-cta span{color:#c9dbef;font-size:13px;margin-left:12px}
    .fixed-cta .btn{min-height:40px;background:#fff;color:var(--blue-dark)}
    .footer{background:#e8f0f8;padding:56px 0 90px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:320px;margin-top:17px}
    .footer h4{font-size:15px;margin:4px 0 14px;color:var(--blue-dark)}
    .footer ul{list-style:none;margin:0;padding:0}
    .footer li{margin:8px 0;color:var(--muted);font-size:14px}
    .footer li a:hover,.copyright a:hover{color:var(--blue)}
    .copyright{border-top:1px solid #cfdeec;margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#71839a;font-size:12px}
    @media(max-width:1100px){
      .nav-side{gap:2px}.nav-link{padding:8px 7px;font-size:13px}
      .hero-layout,.path-grid,.filter-grid,.reading-grid{gap:30px}
    }
    @media(max-width:900px){
      .nav{grid-template-columns:1fr auto}.nav-side{display:none}.brand{justify-self:start}.mobile-toggle{display:block;justify-self:end}
      .mobile-menu.open{display:block}
      .hero-layout,.intro-grid,.path-grid,.filter-grid,.reading-grid,.related-grid{grid-template-columns:1fr}
      .path-nav{position:static}.path-tabs{display:grid;grid-template-columns:repeat(3,1fr)}
      .hero-image img{height:330px}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:640px){
      body{padding-bottom:115px}.container{width:min(100% - 36px,560px)}
      .section{padding:62px 0}.section-tight{padding:45px 0}
      .topbar,.nav{height:68px}.nav{height:68px}.brand{font-size:20px}
      .page-hero{padding:37px 0 42px}.crumbs{margin-bottom:20px}
      .hero-copy h1{font-size:39px}.hero-copy>p{font-size:15px}
      .hero-image img{height:250px;border-width:5px}.image-label{left:15px;bottom:15px}
      .quick-list,.steps,.mobile-grid{grid-template-columns:1fr}
      .intro-panel,.scene-content,.reading-main{padding:23px}
      .path-tabs{grid-template-columns:1fr 1fr}
      .screen-row{grid-template-columns:63px 1fr;gap:9px}.screen-row .status{grid-column:2;justify-self:start}
      .cta-box{padding:28px 23px;display:block}.cta-box .btn{margin-top:22px}
      .fixed-cta{padding:11px 18px}.fixed-cta-inner{display:block}.fixed-cta span{display:block;margin:2px 0 8px;font-size:12px}.fixed-cta .btn{min-height:38px;padding:0 16px}
      .footer{padding-bottom:135px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin:7px 0}
      .section-head{display:block}.section-head p{margin-top:13px}
    }
    @media(max-width:420px){
      .path-tabs{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --blue:#1769d1;
      --blue-dark:#0c3977;
      --blue-soft:#eaf3ff;
      --cyan:#16a6a0;
      --ink:#10233f;
      --muted:#60718b;
      --paper:#f6f9fd;
      --line:#dce7f3;
      --white:#fff;
      --radius:20px;
      --shadow:0 16px 42px rgba(29,71,119,.10);
      --shadow-sm:0 8px 24px rgba(29,71,119,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      background:var(--paper);
      color:var(--ink);
      line-height:1.8;
      padding-bottom:76px;
    }
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-size:13px;
      font-weight:700;
      letter-spacing:.12em;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:34px;
    }
    .section-head h2{margin:8px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.04em}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px;margin:0}
    .topbar{
      height:78px;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:30;
    }
    .nav{
      height:78px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:25px;
    }
    .nav-side{display:flex;align-items:center;gap:8px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{
      font-size:14px;
      color:#4e607a;
      padding:9px 11px;
      border-radius:10px;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft)}
    .brand{
      font-size:22px;
      font-weight:900;
      letter-spacing:-.06em;
      color:var(--blue-dark);
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;height:34px;
      display:grid;place-items:center;
      border-radius:11px;
      background:var(--blue);
      color:white;
      font-size:14px;
      letter-spacing:-.08em;
    }
    .mobile-toggle{
      display:none;
      background:var(--blue-soft);
      color:var(--blue);
      border-radius:10px;
      width:42px;height:42px;
    }
    .mobile-menu{
      display:none;
      background:#fff;
      border-top:1px solid var(--line);
      padding:15px 20px 22px;
      box-shadow:var(--shadow);
    }
    .mobile-menu a{
      display:block;
      padding:11px 0;
      border-bottom:1px solid #eef3f8;
      color:var(--ink);
    }
    .mobile-menu a:hover,.mobile-menu a.active{color:var(--blue)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 21px;
      border-radius:12px;
      font-weight:700;
      font-size:14px;
      transition:.25s ease;
    }
    .btn-primary{
      background:var(--blue);
      color:#fff;
      box-shadow:0 8px 18px rgba(23,105,209,.22);
    }
    .btn-primary:hover{
      background:#0e56b5;
      transform:translateY(-2px);
      box-shadow:0 12px 24px rgba(23,105,209,.28);
    }
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{
      background:#fff;
      color:var(--blue);
      border:1px solid #b9d1ee;
    }
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
      outline:3px solid rgba(22,166,160,.35);
      outline-offset:3px;
    }
    .page-hero{
      padding:68px 0 64px;
      background:
        linear-gradient(110deg,rgba(248,251,255,.98),rgba(234,243,255,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      border-bottom:1px solid #e2edf8;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      align-items:center;
      gap:60px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:#75869c;
      font-size:13px;
      margin-bottom:26px;
    }
    .breadcrumb a{color:var(--blue)}
    .page-hero h1{
      font-size:clamp(38px,5vw,62px);
      line-height:1.18;
      letter-spacing:-.055em;
      margin:15px 0 22px;
      max-width:620px;
    }
    .page-hero h1 span{color:var(--blue)}
    .page-hero .intro{
      max-width:590px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 0}
    .hero-panel{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(190,214,239,.9);
      border-radius:26px;
      padding:16px;
      box-shadow:var(--shadow);
      transform:rotate(1.3deg);
    }
    .hero-panel img{height:260px;border-radius:18px}
    .panel-caption{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:15px;
      padding:17px 8px 5px;
    }
    .panel-caption strong{font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#147b71;
      background:#e5f7f4;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan)}
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:15px;
    }
    .metric-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .metric-card:nth-child(2){background:var(--blue-dark);color:#fff}
    .metric-card:nth-child(2) small,.metric-card:nth-child(2) p{color:#c7dbf4}
    .metric-card:nth-child(3){background:#effaf8}
    .metric-card small{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
    .metric-card strong{font-size:31px;line-height:1;color:var(--blue-dark);letter-spacing:-.05em}
    .metric-card:nth-child(2) strong{color:#fff}
    .metric-card p{font-size:13px;color:var(--muted);margin:10px 0 0}
    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      margin-bottom:22px;
    }
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .filter-tab{
      padding:8px 14px;
      border-radius:10px;
      color:var(--muted);
      background:#f5f8fc;
      font-size:13px;
      transition:.25s;
    }
    .filter-tab:hover,.filter-tab.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
    .filter-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .observation-grid{
      display:grid;
      grid-template-columns:7fr 5fr;
      gap:22px;
      align-items:stretch;
    }
    .chart-card,.compare-card,.reading-card,.topic-card,.faq-list details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
    }
    .chart-card{padding:27px}
    .card-top{
      display:flex;
      justify-content:space-between;
      align-items:start;
      gap:18px;
      margin-bottom:22px;
    }
    .card-top h3{margin:0;font-size:22px;line-height:1.35}
    .card-top p{margin:5px 0 0;color:var(--muted);font-size:13px}
    .chart-legend{display:flex;gap:15px;color:var(--muted);font-size:12px;white-space:nowrap}
    .legend{display:inline-flex;align-items:center;gap:6px}
    .legend i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--blue)}
    .legend.cyan i{background:var(--cyan)}
    .chart{
      height:245px;
      display:flex;
      align-items:end;
      gap:12px;
      padding:20px 8px 0;
      border-bottom:1px solid #bfcfe0;
      border-left:1px solid #bfcfe0;
      background:repeating-linear-gradient(to top,transparent 0,transparent 48px,#edf3f8 49px);
    }
    .bar-group{
      flex:1;
      height:100%;
      display:flex;
      justify-content:end;
      align-items:center;
      gap:5px;
      flex-direction:column;
    }
    .bars{height:calc(100% - 25px);display:flex;align-items:end;gap:4px}
    .bar{width:12px;border-radius:6px 6px 0 0;background:var(--blue)}
    .bar.alt{background:var(--cyan)}
    .bar-label{font-size:11px;color:var(--muted)}
    .compare-card{padding:26px}
    .compare-list{margin:20px 0 0}
    .compare-row{padding:15px 0;border-bottom:1px solid #edf2f7}
    .compare-row:last-child{border-bottom:0}
    .compare-name{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:8px}
    .compare-name strong{color:var(--blue)}
    .progress{height:8px;border-radius:99px;background:#edf3f8;overflow:hidden}
    .progress span{display:block;height:100%;border-radius:99px;background:var(--blue)}
    .progress.cyan span{background:var(--cyan)}
    .observation-note{
      margin-top:18px;
      padding:13px 15px;
      background:#f4f8fc;
      color:var(--muted);
      border-radius:12px;
      font-size:12px;
      line-height:1.65;
    }
    .visual-section{background:#edf5ff}
    .visual-grid{
      display:grid;
      grid-template-columns:5fr 7fr;
      gap:52px;
      align-items:center;
    }
    .visual-photo{position:relative}
    .visual-photo img{height:430px;border-radius:25px;box-shadow:var(--shadow)}
    .floating-stat{
      position:absolute;
      right:-18px;
      bottom:25px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
      padding:16px 18px;
      min-width:155px;
    }
    .floating-stat small{display:block;color:var(--muted);font-size:12px}
    .floating-stat strong{display:block;color:var(--blue-dark);font-size:25px}
    .content-copy h2{font-size:34px;line-height:1.3;margin:10px 0 18px}
    .content-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
    .point-list{list-style:none;padding:0;margin:23px 0 0}
    .point-list li{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid rgba(190,211,233,.8)}
    .point-list li:last-child{border-bottom:0}
    .point-num{
      flex:none;
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:9px;
      background:var(--blue);
      color:#fff;
      font-size:12px;
      font-weight:700;
    }
    .point-list strong{display:block;font-size:15px}
    .point-list span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .method-grid{
      display:grid;
      grid-template-columns:4fr 8fr;
      gap:55px;
    }
    .method-lead{font-size:21px;color:var(--blue-dark);line-height:1.6;margin:12px 0 0}
    .method-copy p{color:var(--muted);font-size:16px;margin:0 0 17px}
    .method-copy p:last-child{margin-bottom:0}
    .data-table{
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-sm);
    }
    .data-row{
      display:grid;
      grid-template-columns:1.1fr 1.5fr .8fr .9fr;
      gap:15px;
      align-items:center;
      padding:16px 22px;
      border-bottom:1px solid #edf2f7;
      font-size:14px;
    }
    .data-row:last-child{border-bottom:0}
    .data-row.header{
      background:#f0f6fd;
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }
    .data-row strong{color:var(--blue-dark)}
    .trend-up{color:#158b7c;font-weight:700}
    .trend-flat{color:#7b8ba1;font-weight:700}
    .tag{
      display:inline-flex;
      align-items:center;
      width:max-content;
      padding:5px 10px;
      border-radius:999px;
      background:var(--blue-soft);
      color:var(--blue);
      font-size:12px;
      font-weight:700;
    }
    .tag.green{background:#e5f7f4;color:#147b71}
    .deep-reading{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .reading-card{padding:27px}
    .reading-card.featured{background:var(--blue-dark);color:#fff}
    .reading-card.featured p,.reading-card.featured .reading-meta{color:#cadcf3}
    .reading-card h3{font-size:23px;line-height:1.4;margin:14px 0 10px}
    .reading-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .reading-meta{font-size:12px;color:var(--blue);font-weight:700}
    .reading-card .btn-secondary{margin-top:6px}
    .topic-layout{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .topic-card{padding:22px;min-height:185px}
    .topic-card:nth-child(2){margin-top:25px}
    .topic-card:nth-child(3){margin-top:50px}
    .topic-card h3{font-size:19px;margin:12px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0}
    .topic-card .tag{margin-top:18px}
    .faq-list{max-width:900px;margin:auto}
    .faq-list details{margin-bottom:12px;padding:0 21px}
    .faq-list details[open]{border-color:#a9c9eb}
    .faq-list summary{
      cursor:pointer;
      list-style:none;
      padding:19px 25px 19px 0;
      font-size:16px;
      font-weight:700;
      position:relative;
    }
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{
      content:"+";
      position:absolute;
      right:0;
      top:17px;
      color:var(--blue);
      font-size:23px;
      font-weight:400;
      transition:.25s;
    }
    .faq-list details[open] summary:after{content:"−";transform:rotate(180deg)}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 0 20px;max-width:780px}
    .cta-band{
      background:var(--blue);
      color:#fff;
      border-radius:26px;
      padding:34px 40px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:25px;
      box-shadow:0 16px 36px rgba(23,105,209,.2);
    }
    .cta-band h2{font-size:28px;line-height:1.35;margin:0 0 7px}
    .cta-band p{margin:0;color:#d9e8fa;font-size:14px}
    .cta-band .btn{background:#fff;color:var(--blue)}
    .cta-band .btn:hover{background:#e8f3ff}
    .footer{background:#e8f0f8;padding:56px 0 90px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:40px;
    }
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:340px;margin:0}
    .footer h4{margin:4px 0 14px;font-size:14px;color:var(--blue-dark)}
    .footer ul{list-style:none;padding:0;margin:0}
    .footer li{margin:8px 0;color:var(--muted);font-size:13px}
    .footer li a:hover{color:var(--blue)}
    .copyright{
      display:flex;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:12px;
      border-top:1px solid #cfddea;
      margin-top:40px;
      padding-top:22px;
      color:#71839b;
      font-size:12px;
    }
    .copyright a:hover{color:var(--blue)}
    .fixed-cta{
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:25;
      background:rgba(12,57,119,.96);
      color:#fff;
      min-height:68px;
      display:flex;
      align-items:center;
    }
    .fixed-cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .fixed-cta strong{font-size:15px}
    .fixed-cta span{color:#c7dbf4;font-size:13px;margin-left:12px}
    .fixed-cta .btn{background:#fff;color:var(--blue);min-height:42px}
    @media (max-width:1100px){
      .nav-side{gap:2px}
      .nav-link{padding:8px 7px;font-size:13px}
      .hero-grid,.visual-grid{gap:35px}
      .container{width:min(100% - 34px,1180px)}
    }
    @media (max-width:900px){
      .nav{grid-template-columns:1fr auto}
      .nav-side{display:none}
      .brand{justify-self:start}
      .mobile-toggle{display:block;justify-self:end}
      .mobile-menu.open{display:block}
      .hero-grid,.observation-grid,.visual-grid,.method-grid,.deep-reading{grid-template-columns:1fr}
      .hero-panel{max-width:680px;margin:auto}
      .visual-photo{max-width:650px;margin:auto}
      .method-grid{gap:22px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2 / 4}
    }
    @media (max-width:640px){
      body{padding-bottom:120px}
      .container{width:calc(100% - 36px)}
      .section{padding:62px 0}
      .section-tight{padding:45px 0}
      .page-hero{padding:42px 0 45px}
      .page-hero h1{font-size:39px}
      .page-hero .intro{font-size:15px}
      .hero-panel{transform:none;padding:10px}
      .hero-panel img{height:210px}
      .panel-caption{padding:13px 5px 3px}
      .metric-grid{gap:10px}
      .metric-card{padding:17px}
      .metric-card strong{font-size:25px}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:12px;font-size:14px}
      .filter-bar{display:block}
      .filter-note{display:block;margin-top:12px}
      .chart-card,.compare-card,.reading-card{padding:20px}
      .chart-legend{margin-top:12px}
      .chart{gap:5px;height:210px;padding-left:2px}
      .bar{width:8px}
      .data-table{overflow-x:auto}
      .data-row{min-width:590px}
      .visual-photo img{height:300px}
      .floating-stat{right:10px;bottom:16px}
      .topic-layout{grid-template-columns:1fr}
      .topic-card:nth-child(2),.topic-card:nth-child(3){margin-top:0}
      .cta-band{display:block;padding:27px 23px}
      .cta-band .btn{margin-top:20px}
      .footer{padding-bottom:40px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1 / 3}
      .footer-grid>div:last-child{grid-column:auto}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:9px}
      .fixed-cta{min-height:92px}
      .fixed-cta-inner{align-items:center}
      .fixed-cta strong{display:block;font-size:14px}
      .fixed-cta span{display:block;margin:2px 0 0;font-size:12px}
      .fixed-cta .btn{padding:0 15px;min-height:42px;white-space:nowrap}
    }