/* roulang page: index */
:root{
      --primary:#2463d4;--primary-dark:#17449f;--secondary:#0fa99b;--coral:#f47b62;
      --ink:#15243d;--muted:#607089;--paper:#f5f8fc;--surface:#fff;--soft:#eaf2fb;
      --line:#dce6f2;--shadow:0 18px 45px rgba(32,71,119,.10);--shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;--radius-sm:12px;--max:1240px;
    }
    *,*:before,*:after{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",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(15,169,155,.45);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.92);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:4px;margin-left:18px;flex:1}
    .channels a{font-size:14px;padding:8px 11px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;gap:7px;width:170px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .search svg{width:16px}
    .entry{padding:9px 14px;color:var(--primary);font-size:14px;font-weight:700}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .hero{min-height:660px;padding:154px 0 78px;position:relative;background:#dfeefa url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(241,248,255,.97) 0%,rgba(241,248,255,.82) 48%,rgba(241,248,255,.22) 100%)}
    .hero-inner{position:relative;z-index:1}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    h1,h2,h3{margin:0 0 16px;line-height:1.25;letter-spacing:-.03em}
    h1{font-size:clamp(40px,5.2vw,68px);max-width:720px}
    h2{font-size:clamp(29px,3.3vw,42px)}
    h3{font-size:21px}
    p{color:var(--muted);margin:0 0 18px}
    .hero-copy{max-width:730px}
    .hero-copy>p{font-size:18px;max-width:650px;line-height:2}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;margin-top:30px}
    .hero-point{font-size:13px;color:var(--ink);font-weight:700}
    .hero-point strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .section{padding:96px 0}
    .section-tight{padding:70px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head p{max-width:590px;margin:0}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;text-transform:uppercase;margin-bottom:10px}
    .band{background:#edf5fb}
    .white{background:#fff}
    .feature-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:22px}
    .feature-card,.card,.story,.guide,.faq-box,.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .feature-card{overflow:hidden;min-height:420px;position:relative}
    .feature-card img{height:245px}
    .feature-content{padding:25px 28px}
    .feature-content p{max-width:690px}
    .small-stack{display:grid;gap:22px}
    .small-card{display:grid;grid-template-columns:125px 1fr;gap:17px;padding:17px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .small-card img{height:118px;border-radius:12px}
    .small-card p{font-size:13px;line-height:1.7;margin:0}
    .tag{display:inline-block;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:10px}
    .channel-strip{background:#fff;border-bottom:1px solid var(--line);padding:18px 0}
    .strip-list{display:flex;gap:10px;overflow:auto;scrollbar-width:none}
    .strip-list a{flex:0 0 auto;border:1px solid var(--line);padding:9px 15px;border-radius:9px;color:var(--muted);font-size:14px}
    .strip-list a:hover{border-color:var(--primary);color:var(--primary);background:var(--soft)}
    .cap-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .cap-card{padding:25px;min-height:230px;border-top:4px solid var(--primary)}
    .cap-card:nth-child(2){border-color:var(--secondary);margin-top:32px}
    .cap-card:nth-child(3){border-color:var(--coral)}
    .cap-icon{width:43px;height:43px;display:grid;place-items:center;background:var(--soft);color:var(--primary);border-radius:12px;font-size:20px;margin-bottom:18px}
    .cap-card p{font-size:14px}
    .deep{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .deep-media{position:relative}
    .deep-media img{height:470px;border-radius:24px}
    .media-note{position:absolute;bottom:22px;left:22px;right:22px;background:#fff;padding:15px 18px;border-radius:13px;box-shadow:var(--shadow);font-size:13px}
    .media-note b{color:var(--primary);margin-right:8px}
    .rich-copy p{font-size:16px;line-height:2;margin-bottom:18px}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line);color:var(--ink)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .data-band{background:var(--ink);color:#fff;padding:42px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .metric{padding:8px 20px;border-left:1px solid rgba(255,255,255,.2)}
    .metric strong{display:block;font-size:42px;line-height:1.2;color:#8fe1d8}
    .metric span{color:#c9d5e5;font-size:14px}
    .masonry{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:230px 230px;gap:18px}
    .story{overflow:hidden;position:relative}
    .story:first-child{grid-row:span 2}
    .story img{height:100%;transition:.4s}
    .story:hover img{transform:scale(1.04)}
    .story:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(11,25,48,.8))}
    .story-text{position:absolute;z-index:1;bottom:18px;left:19px;right:15px;color:#fff}
    .story-text p{color:#e4edf8;font-size:13px;margin:0}
    .story-text h3{font-size:19px;margin:0 0 4px}
    .route-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:35px;align-items:start}
    .route-intro{padding:30px;background:#dff4f1;border-radius:var(--radius)}
    .route-list{counter-reset:route}
    .route-item{display:grid;grid-template-columns:55px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
    .route-item:before{counter-increment:route;content:"0" counter(route);font-weight:800;font-size:22px;color:var(--primary)}
    .route-item h3{margin-bottom:4px}
    .route-item p{font-size:14px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.5fr .75fr;gap:35px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .news-item{display:grid;grid-template-columns:100px 1fr auto;gap:17px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0}
    .news-date{font-size:13px;color:var(--secondary);font-weight:700}
    .news-item h3{font-size:18px;margin:0 0 4px}
    .news-item p{font-size:13px;margin:0;line-height:1.65}
    .news-item .btn{padding:8px 12px;font-size:12px}
    .side-note{padding:27px;background:var(--primary);color:#fff;border-radius:var(--radius)}
    .side-note p{color:#deebff;font-size:14px}
    .brand-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
    .brand-story img{height:300px;border-radius:20px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-box{padding:0;overflow:hidden}
    .faq-q{display:flex;justify-content:space-between;gap:15px;width:100%;text-align:left;background:#fff;padding:20px 22px;color:var(--ink);font-weight:700}
    .faq-q:hover{background:var(--soft);color:var(--primary)}
    .faq-q span:last-child{color:var(--primary);font-size:22px;line-height:1}
    .faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85}
    .faq-box.open .faq-a{display:block}
    .faq-box.open .faq-q{color:var(--primary)}
    .cta{padding:65px 0;background:#dcecfb}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner p{max-width:650px;margin:0}
    footer{background:#11233d;color:#d5e1ef;padding:55px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:35px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{color:#aebfd5;font-size:13px}
    footer h3{color:#fff;font-size:15px;margin-bottom:13px}
    footer a{display:block;color:#aebfd5;font-size:13px;padding:3px 0}
    footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;font-size:12px;color:#9eb0c8;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:1100px){.channels{gap:0;margin-left:0}.channels a{padding:8px 7px;font-size:13px}.search{width:140px}.nav-wrap{gap:12px}}
    @media(max-width:900px){.channels{display:none}.menu-toggle{display:block}.nav-actions{margin-left:auto}.feature-grid,.deep,.route-grid,.news-layout,.brand-story{grid-template-columns:1fr}.data-grid{grid-template-columns:repeat(2,1fr)}.masonry{grid-template-columns:1fr 1fr;grid-template-rows:230px 190px 190px}.story:first-child{grid-row:span 1}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:640px){.container{width:min(100% - 28px,var(--max))}.nav-wrap{height:68px}.brand{font-size:18px}.nav-actions .entry{display:none}.search{width:125px}.hero{padding:125px 0 55px;min-height:590px}.hero-copy>p{font-size:16px}.hero-actions .btn{width:100%}.section{padding:62px 0}.section-tight{padding:48px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:12px}.cap-grid,.faq-grid{grid-template-columns:1fr}.cap-card:nth-child(2){margin-top:0}.small-card{grid-template-columns:100px 1fr}.small-card img{height:100px}.deep-media img{height:310px}.data-grid{grid-template-columns:1fr 1fr;gap:8px}.metric{padding:8px 10px}.metric strong{font-size:30px}.masonry{display:flex;flex-direction:column}.story,.story:first-child{height:250px}.news-item{grid-template-columns:1fr auto;gap:8px;padding:17px}.news-date{grid-column:1/-1}.news-item p{display:none}.cta-inner{display:block}.cta-inner .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}}
    @media(max-width:420px){.nav-actions{gap:4px}.search{width:112px;padding:7px}.search input{font-size:12px}.hero h1{font-size:38px}.hero-points{gap:14px}.data-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category2 */
:root{
      --primary:#2463d4;
      --primary-dark:#17449f;
      --secondary:#0fa99b;
      --coral:#f47b62;
      --ink:#15243d;
      --muted:#607089;
      --paper:#f5f8fc;
      --surface:#fff;
      --soft:#eaf2fb;
      --line:#dce6f2;
      --shadow:0 18px 45px rgba(32,71,119,.10);
      --shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;
      --radius-sm:12px;
      --max:1240px;
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.35;letter-spacing:-.025em}
    h1{font-size:clamp(36px,5vw,62px);margin-bottom:22px}
    h2{font-size:clamp(28px,3vw,40px);margin-bottom:15px}
    h3{font-size:21px;margin-bottom:10px}
    p{color:var(--muted)}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,99,212,.35);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{position:fixed;z-index:30;top:0;left:0;width:100%;background:rgba(255,255,255,.94);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;display:inline-block}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1}
    .channels a{font-size:14px;padding:8px 11px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;gap:7px;width:170px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .search svg{width:16px;flex:0 0 16px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff;transform:translateY(-2px)}
    .btn:active{transform:translateY(1px)}
    .btn:disabled{opacity:.5;cursor:not-allowed}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .hero{min-height:590px;padding:145px 0 72px;position:relative;background:#dfeefa url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(241,248,255,.98) 0%,rgba(241,248,255,.88) 47%,rgba(241,248,255,.25) 100%)}
    .hero-inner{position:relative;z-index:1}
    .hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:65px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    .hero-copy>p{font-size:18px;max-width:680px;line-height:2}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;margin-top:30px}
    .hero-point{font-size:13px;color:var(--ink);font-weight:700}
    .hero-point strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .time-card{background:rgba(255,255,255,.96);border:1px solid #d1e1f2;border-radius:22px;padding:22px;box-shadow:var(--shadow)}
    .time-card h3{font-size:20px}
    .time-card p{font-size:13px;line-height:1.7}
    .time-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:17px 0}
    .time-slot{border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 5px;text-align:center;color:var(--muted);font-size:13px}
    .time-slot strong{display:block;color:var(--ink);font-size:17px}
    .time-slot.active{background:var(--soft);border-color:#9dbdec;color:var(--primary)}
    .time-slot.active strong{color:var(--primary)}
    .section{padding:86px 0}
    .section-tight{padding:62px 0}
    .section-soft{background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head p{max-width:590px;margin:0}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;text-transform:uppercase;margin-bottom:9px}
    .crumbs{padding:22px 0 0;font-size:13px;color:var(--muted)}
    .crumbs a{color:var(--primary)}
    .intro-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .intro-panel img{height:330px;border-radius:22px;box-shadow:var(--shadow)}
    .guide-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:34px;align-items:start}
    .side-nav{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:var(--shadow-sm)}
    .side-nav h3{font-size:16px;padding:5px 10px 12px;border-bottom:1px solid var(--line)}
    .side-nav a{display:flex;align-items:center;justify-content:space-between;padding:10px;border-radius:9px;color:var(--muted);font-size:14px}
    .side-nav a:after{content:"›";font-size:18px;color:#9bb0ca}
    .side-nav a:hover,.side-nav a.current{background:var(--soft);color:var(--primary);font-weight:700}
    .feature-list{display:grid;gap:18px}
    .event-item{display:grid;grid-template-columns:245px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
    .event-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .event-item img{height:205px}
    .event-copy{padding:23px 26px}
    .event-copy p{font-size:14px;line-height:1.8;margin-bottom:15px}
    .event-meta{display:flex;align-items:center;gap:13px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .event-meta b{color:var(--primary)}
    .tag{display:inline-block;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:10px}
    .filter-band{background:var(--ink);color:#fff;padding:35px 0}
    .filter-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .filter-inner p{color:#c4d0e1;margin:0;font-size:14px}
    .filter-buttons{display:flex;gap:8px;flex-wrap:wrap}
    .filter-btn{background:transparent;border:1px solid #50627f;color:#dae5f4;padding:9px 14px;border-radius:9px;font-size:13px}
    .filter-btn:hover,.filter-btn.active{background:#fff;color:var(--primary);border-color:#fff}
    .detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:35px;align-items:stretch}
    .detail-card,.note-card,.faq-box,.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .detail-card{padding:31px}
    .detail-card p{font-size:15px;line-height:2}
    .check-list{list-style:none;padding:0;margin:20px 0}
    .check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line);color:var(--ink);font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .note-card{overflow:hidden}
    .note-card img{height:215px}
    .note-content{padding:24px}
    .note-content p{font-size:14px}
    .timeline{position:relative;padding-left:27px}
    .timeline:before{content:"";position:absolute;left:6px;top:6px;bottom:7px;width:2px;background:#cfe0f4}
    .timeline-item{position:relative;padding:0 0 25px 20px}
    .timeline-item:before{content:"";position:absolute;left:-27px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--secondary);border:4px solid #d8f1ee}
    .timeline-item time{font-size:12px;color:var(--primary);font-weight:700}
    .timeline-item h3{font-size:18px;margin:5px 0}
    .timeline-item p{font-size:14px;margin-bottom:0}
    .schedule{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .schedule-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .schedule-card span{display:block;font-size:12px;color:var(--secondary);font-weight:700;margin-bottom:8px}
    .schedule-card strong{display:block;font-size:25px;color:var(--ink);line-height:1.3}
    .schedule-card p{font-size:13px;margin:7px 0 0;line-height:1.7}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:35px;align-items:start}
    .faq-intro{padding-top:8px}
    .faq-box{padding:8px 24px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;background:transparent;color:var(--ink);text-align:left;padding:19px 0;font-weight:700}
    .faq-question span:last-child{font-size:22px;color:var(--primary);transition:.25s}
    .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 32px 18px 0;color:var(--muted);font-size:14px;line-height:1.9}
    .faq-answer.open{display:block}
    .cta{padding:62px 0;background:#dcecf9}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#fff;border:1px solid #c8dcef;border-radius:24px;padding:34px 40px;box-shadow:var(--shadow)}
    .cta-box p{margin:0;max-width:650px}
    footer{background:#12213a;color:#dce6f2;padding:58px 0 22px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer .brand-mark{box-shadow:5px 5px 0 #30476b}
    footer p{color:#aebdd1;font-size:13px;max-width:280px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    footer h3{font-size:15px;color:#fff;margin-bottom:13px}
    footer a:not(.brand){display:block;color:#aebdd1;font-size:13px;margin:7px 0}
    footer a:not(.brand):hover{color:#fff}
    .footer-bottom{border-top:1px solid #2b3c57;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8fa2bb;font-size:12px}
    @media (max-width:1200px){
      .channels a{padding-left:7px;padding-right:7px}
      .nav-wrap{gap:13px}
      .search{width:145px}
    }
    @media (max-width:992px){
      .channels{display:none;position:absolute;top:78px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow)}
      .channels.open{display:grid;grid-template-columns:repeat(2,1fr)}
      .channels a{padding:11px}
      .menu-toggle{display:block}
      .nav-actions{margin-left:auto}
      .hero-layout,.intro-panel,.detail-grid,.faq-grid{grid-template-columns:1fr}
      .hero-layout{gap:30px}
      .time-card{max-width:470px}
      .guide-layout{grid-template-columns:190px 1fr}
      .event-item{grid-template-columns:190px 1fr}
      .event-item img{height:220px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .nav-wrap{height:70px}
      .topbar{position:relative}
      .channels{top:70px;left:14px;right:14px}
      .search{width:145px}
      .search input{font-size:12px}
      .nav-actions .btn-secondary{display:none}
      .hero{padding:68px 0 56px;min-height:auto}
      .hero-copy>p{font-size:16px}
      .section{padding:62px 0}
      .section-tight{padding:45px 0}
      .section-head,.filter-inner,.cta-box{display:block}
      .section-head p{margin-top:12px}
      .filter-buttons{margin-top:20px}
      .guide-layout{grid-template-columns:1fr}
      .side-nav{position:static;display:flex;gap:4px;overflow:auto;padding:10px}
      .side-nav h3{display:none}
      .side-nav a{flex:0 0 auto}
      .side-nav a:after{display:none}
      .event-item{grid-template-columns:1fr}
      .event-item img{height:220px}
      .schedule{grid-template-columns:repeat(2,1fr)}
      .cta-box .btn{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:640px){
      .brand{font-size:18px}
      .brand-mark{width:30px;height:30px}
      .nav-actions{gap:6px}
      .nav-actions .btn-coral{padding:10px 12px;font-size:12px}
      .menu-toggle{padding:8px 10px}
      .time-row{grid-template-columns:repeat(3,1fr)}
      .intro-panel img{height:245px}
      .detail-card{padding:23px}
      .schedule-card{padding:16px}
      .schedule-card strong{font-size:21px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px 15px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:480px){
      h1{font-size:35px}
      .hero-actions .btn{width:100%}
      .hero-points{gap:15px}
      .hero-point strong{font-size:21px}
      .search{width:118px}
      .search input{min-width:0}
      .channels.open{grid-template-columns:1fr}
      .side-nav a{font-size:12px;padding:8px}
      .schedule{gap:9px}
      .schedule-card strong{font-size:18px}
      .faq-box{padding:5px 17px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category3 */
:root{
      --primary:#2463d4;
      --primary-dark:#17449f;
      --secondary:#0fa99b;
      --coral:#f47b62;
      --ink:#15243d;
      --muted:#607089;
      --paper:#f5f8fc;
      --surface:#fff;
      --soft:#eaf2fb;
      --line:#dce6f2;
      --shadow:0 18px 45px rgba(32,71,119,.10);
      --shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;
      --radius-sm:12px;
      --max:1240px;
    }
    *{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",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;letter-spacing:-.02em}
    h1{font-size:clamp(38px,5vw,64px);margin-bottom:20px}
    h2{font-size:clamp(29px,3.2vw,42px);margin-bottom:15px}
    h3{font-size:22px;margin-bottom:10px}
    p{color:var(--muted)}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,99,212,.35);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.94);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand:hover{color:var(--primary)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
    .channels a{font-size:14px;padding:8px 10px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;gap:7px;width:168px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink);min-width:0}
    .search svg{width:16px;flex:0 0 auto}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff;transform:translateY(-2px)}
    .btn:active{transform:translateY(1px)}
    .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .page-banner{position:relative;padding:143px 0 72px;background:#dfeefa url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(243,249,255,.98) 0%,rgba(243,249,255,.9) 52%,rgba(243,249,255,.35) 100%)}
    .banner-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    .banner-copy p{font-size:18px;max-width:660px;line-height:2}
    .banner-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 22px}
    .banner-points{display:flex;gap:25px;flex-wrap:wrap}
    .banner-point{font-size:13px;color:var(--ink);font-weight:700}
    .banner-point strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .radar-panel{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:25px;max-width:470px;margin-left:auto}
    .radar-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:20px}
    .radar-head b{font-size:18px}
    .status-dot{display:inline-flex;align-items:center;gap:7px;color:var(--secondary);font-size:12px;font-weight:700}
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--secondary)}
    .radar-body{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center}
    .progress-ring{width:142px;height:142px;border-radius:50%;background:conic-gradient(var(--primary) 0 72%,#dfeaf8 72% 100%);display:grid;place-items:center;position:relative}
    .progress-ring:after{content:"";position:absolute;width:106px;height:106px;background:#fff;border-radius:50%}
    .progress-ring span{position:relative;z-index:1;text-align:center;color:var(--primary);font-weight:800;font-size:28px;line-height:1.15}
    .progress-ring small{display:block;color:var(--muted);font-size:11px;font-weight:600}
    .rank-list{list-style:none;margin:0;padding:0}
    .rank-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid #edf2f8;font-size:13px}
    .rank-list li:last-child{border-bottom:0}
    .rank-list em{font-style:normal;color:var(--primary);font-weight:800}
    .panel-foot{margin-top:18px;padding-top:15px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;color:var(--muted)}
    .panel-foot .btn{padding:9px 13px;font-size:12px}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-soft{background:#edf5fc}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head p{max-width:600px;margin:0}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;margin-bottom:10px}
    .channel-strip{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
    .strip-title{font-weight:800;font-size:14px;margin-bottom:13px}
    .strip-list{display:flex;gap:10px;overflow:auto;scrollbar-width:none}
    .strip-list::-webkit-scrollbar{display:none}
    .strip-list a{flex:0 0 auto;border:1px solid var(--line);padding:9px 15px;border-radius:9px;color:var(--muted);font-size:14px;background:#fff}
    .strip-list a:hover,.strip-list a.active{border-color:var(--primary);color:var(--primary);background:var(--soft)}
    .masonry{display:grid;grid-template-columns:1.25fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}
    .masonry-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column}
    .masonry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .masonry-card.large{grid-row:span 2}
    .masonry-card.tall img{height:245px}
    .masonry-card.large img{height:320px}
    .masonry-card img{height:180px}
    .masonry-content{padding:20px 22px 23px;display:flex;flex-direction:column;flex:1}
    .tag{display:inline-block;align-self:flex-start;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:10px}
    .masonry-content p{font-size:14px;line-height:1.75;margin-bottom:16px}
    .text-link{margin-top:auto;color:var(--primary);font-size:13px;font-weight:800}
    .text-link:after{content:" →";transition:.2s}
    .text-link:hover:after{padding-left:4px}
    .split-feature{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
    .split-feature img{height:420px;border-radius:24px;box-shadow:var(--shadow)}
    .feature-copy p{font-size:16px;line-height:2}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{position:relative;padding:10px 0 10px 29px;border-bottom:1px solid var(--line);color:var(--ink)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .timeline-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:start}
    .timeline-intro{position:sticky;top:110px}
    .timeline-intro .note{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:24px}
    .timeline{position:relative;padding-left:33px}
    .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#cbdcf1}
    .timeline-item{position:relative;padding:0 0 30px 25px}
    .timeline-item:before{content:"";position:absolute;left:-31px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:4px solid #dceafb;box-sizing:content-box}
    .timeline-date{color:var(--secondary);font-weight:800;font-size:13px;margin-bottom:6px}
    .timeline-item h3{margin-bottom:7px}
    .timeline-item p{font-size:14px;line-height:1.8;margin-bottom:0}
    .data-band{background:var(--ink);color:#fff;padding:43px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-item{border-left:1px solid rgba(255,255,255,.2);padding-left:22px}
    .data-item:first-child{border-left:0}
    .data-item strong{display:block;color:#fff;font-size:42px;line-height:1.2;margin-bottom:7px}
    .data-item span{font-size:13px;color:#b8c8dd}
    .filter-layout{display:grid;grid-template-columns:215px 1fr;gap:28px}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;height:max-content}
    .filter-box h3{font-size:16px;margin-bottom:14px}
    .filter-btn{display:block;width:100%;text-align:left;background:transparent;color:var(--muted);padding:10px 11px;border-radius:9px;font-size:14px;margin-bottom:4px}
    .filter-btn:hover,.filter-btn.active{background:var(--soft);color:var(--primary);font-weight:700}
    .topic-table{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .topic-row{display:grid;grid-template-columns:105px 1fr 100px;gap:18px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
    .topic-row:last-child{border-bottom:0}
    .topic-row time{font-size:13px;color:var(--muted)}
    .topic-row h3{font-size:17px;margin:0 0 4px}
    .topic-row p{font-size:13px;margin:0;line-height:1.65}
    .topic-row .btn{padding:9px 12px;font-size:12px}
    .deep-copy{display:grid;grid-template-columns:1.1fr .9fr;gap:42px}
    .deep-copy article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:31px 34px;box-shadow:var(--shadow-sm)}
    .deep-copy article p{line-height:2;margin-bottom:18px}
    .quote-box{background:#e7f2ff;border-left:4px solid var(--primary);padding:18px 20px;border-radius:0 13px 13px 0;color:var(--ink);font-size:15px;line-height:1.85}
    .related-list{display:grid;gap:14px}
    .related-item{display:grid;grid-template-columns:115px 1fr;gap:15px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px}
    .related-item img{height:83px;border-radius:10px}
    .related-item h3{font-size:16px;margin:4px 0}
    .related-item p{font-size:12px;line-height:1.6;margin:0}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-box{padding:0 20px;box-shadow:none}
    .faq-box details{padding:18px 0}
    .faq-box details+details{border-top:1px solid var(--line)}
    .faq-box summary{cursor:pointer;font-weight:800;list-style:none;padding-right:24px;position:relative}
    .faq-box summary::-webkit-details-marker{display:none}
    .faq-box summary:after{content:"＋";position:absolute;right:0;color:var(--primary);font-size:21px;line-height:1}
    .faq-box details[open] summary:after{content:"－"}
    .faq-box details p{font-size:14px;line-height:1.85;margin:12px 0 0}
    .cta{padding:55px 0;background:#dfeefc}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border:1px solid #cbdff5;border-radius:22px;padding:32px 38px;box-shadow:var(--shadow-sm)}
    .cta-box h2{font-size:30px;margin-bottom:8px}
    .cta-box p{margin:0;max-width:670px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:0 0 auto}
    footer{background:#fff;border-top:1px solid var(--line);padding:57px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr .8fr;gap:35px;padding-bottom:35px}
    footer .brand{margin-bottom:16px}
    footer p{font-size:13px;max-width:330px;line-height:1.8}
    footer h3{font-size:14px;margin-bottom:14px}
    footer .footer-grid>div:not(:first-child) a{display:block;font-size:13px;color:var(--muted);margin:8px 0}
    footer .footer-grid>div:not(:first-child) a:hover{color:var(--primary)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#8795a8;font-size:12px;flex-wrap:wrap}
    @media(max-width:1200px){
      .channels a{padding-left:7px;padding-right:7px}
      .nav-wrap{gap:14px}
      .search{width:145px}
    }
    @media(max-width:992px){
      .channels{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .nav-actions{display:none}
      .nav-wrap.menu-open{height:auto;min-height:78px;flex-wrap:wrap;padding:13px 0}
      .nav-wrap.menu-open .channels{display:flex;order:3;width:100%;overflow:auto;padding-bottom:4px}
      .nav-wrap.menu-open .nav-actions{display:flex;order:4;width:100%;padding-bottom:5px}
      .nav-wrap.menu-open .search{flex:1}
      .banner-inner,.split-feature,.deep-copy,.timeline-wrap{grid-template-columns:1fr}
      .radar-panel{margin:12px 0 0;max-width:none}
      .timeline-intro{position:static}
      .masonry{grid-template-columns:1fr 1fr}
      .masonry-card.large{grid-row:auto;grid-column:span 2}
      .data-grid{grid-template-columns:repeat(2,1fr)}
      .data-item:nth-child(3){border-left:0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .page-banner{padding:125px 0 55px}
      .section{padding:64px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .masonry{grid-template-columns:1fr}
      .masonry-card.large{grid-column:auto}
      .masonry-card.large img,.masonry-card.tall img,.masonry-card img{height:220px}
      .filter-layout{grid-template-columns:1fr}
      .filter-box{display:flex;gap:7px;overflow:auto;padding:11px}
      .filter-box h3{display:none}
      .filter-btn{width:auto;flex:0 0 auto;margin:0;white-space:nowrap}
      .topic-row{grid-template-columns:82px 1fr}
      .topic-row .btn{grid-column:2;justify-self:start}
      .cta-box{display:block;padding:27px}
      .cta-actions{margin-top:20px}
    }
    @media(max-width:640px){
      body{font-size:15px}
      .brand{font-size:19px}
      .brand-mark{width:31px;height:31px}
      .banner-copy p{font-size:16px}
      .banner-actions .btn{width:100%}
      .radar-body{grid-template-columns:125px 1fr;gap:15px}
      .progress-ring{width:120px;height:120px}
      .progress-ring:after{width:90px;height:90px}
      .progress-ring span{font-size:24px}
      .data-grid{grid-template-columns:1fr 1fr;gap:18px 10px}
      .data-item{padding-left:12px}
      .data-item strong{font-size:31px}
      .deep-copy article{padding:23px 20px}
      .related-item{grid-template-columns:95px 1fr}
      .related-item img{height:72px}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 24px)}
      .nav-wrap{height:68px}
      .page-banner{padding-top:108px}
      .radar-panel{padding:18px}
      .radar-body{grid-template-columns:1fr;text-align:center}
      .progress-ring{margin:auto}
      .rank-list{text-align:left}
      .panel-foot{align-items:flex-start;flex-direction:column}
      .panel-foot .btn{width:100%}
      .topic-row{grid-template-columns:1fr;gap:7px}
      .topic-row .btn{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --primary:#2463d4;--primary-dark:#17449f;--secondary:#0fa99b;--coral:#f47b62;
      --ink:#15243d;--muted:#607089;--paper:#f5f8fc;--surface:#fff;--soft:#eaf2fb;
      --line:#dce6f2;--shadow:0 18px 45px rgba(32,71,119,.10);--shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;--radius-sm:12px;--max:1240px
    }
    *{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",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.04em;margin-bottom:22px}
    h2{font-size:clamp(28px,3.2vw,42px);line-height:1.3;letter-spacing:-.025em;margin-bottom:14px}
    h3{font-size:21px;line-height:1.4;margin-bottom:10px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.94);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .channels a{font-size:14px;padding:8px 11px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;gap:7px;width:170px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .search svg{width:16px;flex:none}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.search input:focus{outline:3px solid rgba(36,99,212,.22);outline-offset:2px}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .hero{position:relative;padding:153px 0 82px;min-height:575px;background:#dfeefa url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(241,248,255,.98),rgba(241,248,255,.85) 48%,rgba(241,248,255,.24))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    .hero-copy>p{font-size:18px;max-width:650px;line-height:2;color:#405574}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:27px;flex-wrap:wrap;margin-top:25px}
    .hero-point{font-size:13px;color:var(--ink);font-weight:700}
    .hero-point strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .hero-panel{background:#fff;border:1px solid rgba(255,255,255,.8);border-radius:24px;padding:17px;box-shadow:var(--shadow)}
    .hero-panel img{height:245px;border-radius:15px}
    .panel-caption{display:flex;justify-content:space-between;gap:15px;padding:17px 5px 4px;align-items:end}
    .panel-caption strong{font-size:18px}
    .panel-caption span{font-size:12px;color:var(--secondary);font-weight:700}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-soft{background:#edf5fb}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head p{max-width:600px;margin:0;color:var(--muted)}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;margin-bottom:10px}
    .channel-strip{display:flex;gap:11px;overflow:auto;scrollbar-width:none}
    .channel-strip a{flex:0 0 auto;border:1px solid var(--line);padding:10px 16px;border-radius:9px;color:var(--muted);background:#fff;font-size:14px}
    .channel-strip a:hover{border-color:var(--primary);color:var(--primary);background:var(--soft)}
    .featured-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .feature-card,.index-card,.story-card,.guide-card,.faq-box,.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .feature-card{overflow:hidden}
    .feature-card img{height:285px}
    .feature-content{padding:26px 29px}
    .feature-content p{color:var(--muted);max-width:700px}
    .tag{display:inline-block;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:10px}
    .index-card{padding:25px;align-self:start;position:sticky;top:100px}
    .index-card h3{font-size:18px}
    .index-card ul{list-style:none;padding:0;margin:15px 0 22px}
    .index-card li{border-bottom:1px solid var(--line)}
    .index-card a{display:flex;justify-content:space-between;padding:11px 0;color:var(--muted);font-size:14px}
    .index-card a:hover{color:var(--primary);padding-left:5px}
    .index-card b{color:#b2bfd0;font-weight:500}
    .stream{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .story-card{overflow:hidden;display:flex;flex-direction:column}
    .story-card img{height:170px}
    .story-body{padding:20px;display:flex;flex-direction:column;flex:1}
    .story-body p{font-size:14px;color:var(--muted);line-height:1.8}
    .story-body .btn{align-self:flex-start;margin-top:auto;padding:9px 14px}
    .deep{display:grid;grid-template-columns:6fr 5fr;gap:55px;align-items:center}
    .deep-media{position:relative}
    .deep-media img{height:415px;border-radius:23px}
    .media-note{position:absolute;bottom:20px;left:20px;right:20px;background:#fff;padding:14px 18px;border-radius:13px;box-shadow:var(--shadow);font-size:13px}
    .media-note b{color:var(--primary);margin-right:8px}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .data-band{background:var(--ink);color:#fff;padding:45px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-item{padding-right:20px;border-right:1px solid rgba(255,255,255,.18)}
    .data-item:last-child{border:0}
    .data-item strong{display:block;font-size:40px;color:#a9d9ff;line-height:1.25}
    .data-item span{font-size:13px;color:#c4d1e2}
    .route-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:25px}
    .route-intro{background:var(--primary);color:#fff;border-radius:var(--radius);padding:32px}
    .route-intro p{color:#dceaff}
    .guide-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .guide-card{padding:22px}
    .guide-card small{color:var(--secondary);font-weight:800}
    .guide-card p{font-size:14px;color:var(--muted);margin:5px 0 0}
    .timeline{border-left:2px solid #c9dafa;margin:12px 0 0 12px;padding-left:25px}
    .timeline-item{position:relative;padding:0 0 22px}
    .timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--secondary);left:-31px;top:9px;box-shadow:0 0 0 5px #e2f4f2}
    .timeline-item time{font-size:12px;color:var(--primary);font-weight:800}
    .timeline-item p{font-size:14px;color:var(--muted);margin:3px 0}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-box{padding:21px 24px}
    .faq-box summary{font-weight:700;cursor:pointer;list-style:none;padding-right:25px;position:relative}
    .faq-box summary::-webkit-details-marker{display:none}
    .faq-box summary:after{content:"+";position:absolute;right:0;color:var(--primary);font-size:22px;line-height:1}
    .faq-box[open] summary:after{content:"−"}
    .faq-box p{color:var(--muted);font-size:14px;margin:13px 0 0;padding-top:12px;border-top:1px solid var(--line)}
    .cta{padding:70px 0;background:#e6f2fb}
    .contact-box{padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .contact-box p{color:var(--muted);max-width:650px;margin-bottom:0}
    footer{background:#fff;border-top:1px solid var(--line);padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    footer .brand{margin-bottom:15px}
    footer p{font-size:13px;color:var(--muted);max-width:285px}
    footer h3{font-size:15px;margin-bottom:13px}
    footer .footer-grid a:not(.brand){display:block;color:var(--muted);font-size:13px;margin:7px 0}
    footer .footer-grid a:not(.brand):hover{color:var(--primary)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:#8290a4;font-size:12px}
    @media(max-width:1100px){.channels a{padding:8px 7px}.nav-wrap{gap:12px}.search{width:145px}}
    @media(max-width:900px){.hero-inner,.featured-layout,.deep,.route-layout{grid-template-columns:1fr}.hero-panel{max-width:590px}.index-card{position:static}.data-grid{grid-template-columns:repeat(2,1fr)}.data-item:nth-child(2){border:0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:720px){.nav-wrap{height:70px}.channels{display:none}.nav-actions .search,.nav-actions>.btn-secondary{display:none}.menu-toggle{display:block}.nav-actions{margin-left:auto}.hero{padding:125px 0 60px;min-height:auto}.hero-copy>p{font-size:16px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.stream,.faq-grid{grid-template-columns:1fr}.feature-card img{height:220px}.deep-media img{height:300px}.guide-list{grid-template-columns:1fr}.contact-box{display:block;padding:28px}.contact-box .btn{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:7px 0}}
    @media(max-width:480px){.container{width:min(var(--max),calc(100% - 28px))}.brand{font-size:18px}.brand-mark{width:30px;height:30px}.hero-actions .btn{width:100%}.data-grid{grid-template-columns:1fr 1fr;gap:12px}.data-item{border:0;padding:8px}.data-item strong{font-size:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: category6 */
:root{
      --primary:#2463d4;
      --primary-dark:#17449f;
      --secondary:#0fa99b;
      --coral:#f47b62;
      --ink:#15243d;
      --muted:#607089;
      --paper:#f5f8fc;
      --surface:#fff;
      --soft:#eaf2fb;
      --mint:#e9f7f3;
      --line:#dce6f2;
      --shadow:0 18px 45px rgba(32,71,119,.10);
      --shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;
      --radius-sm:12px;
      --max:1240px;
    }
    *{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",sans-serif;
      font-size:16px;
      line-height:1.85;
      overflow-x:hidden;
    }
    body,button,input,textarea,select{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;letter-spacing:-.025em}
    h1{font-size:clamp(38px,5vw,64px);margin-bottom:20px}
    h2{font-size:clamp(28px,3.5vw,42px);margin-bottom:14px}
    h3{font-size:21px;margin-bottom:10px}
    p{color:var(--muted)}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,99,212,.32);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:90px 0}
    .section-tight{padding:64px 0}
    .section-soft{background:var(--soft)}
    .section-white{background:#fff}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:30px;
      margin-bottom:34px;
    }
    .section-head p{max-width:600px;margin-bottom:0}
    .section-kicker{
      margin-bottom:10px;
      color:var(--secondary);
      font-size:12px;
      font-weight:800;
      letter-spacing:.16em;
      text-transform:uppercase;
    }
    .eyebrow,.badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:8px;
      font-size:12px;
      font-weight:700;
    }
    .eyebrow{
      padding:6px 11px;
      color:var(--primary);
      background:#e7f0ff;
      border:1px solid #c9dcfa;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--secondary);
    }
    .tag{
      padding:4px 9px;
      color:#138d82;
      background:#eef7f5;
      margin-bottom:12px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:45px;
      padding:12px 21px;
      border:1px solid transparent;
      border-radius:11px;
      font-size:14px;
      font-weight:700;
      line-height:1.2;
      transition:.25s ease;
    }
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 8px 16px rgba(36,99,212,.2);
    }
    .btn-primary:hover{color:#fff;background:var(--primary-dark);transform:translateY(-2px)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:#b9cce5;
    }
    .btn-secondary:hover{background:var(--soft);border-color:var(--primary)}
    .btn-coral{color:#fff;background:var(--coral)}
    .btn-coral:hover{color:#fff;background:#d95f4b;transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn[disabled]{opacity:.5;cursor:not-allowed}
    .topbar{
      position:fixed;
      z-index:30;
      top:0;
      left:0;
      width:100%;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid transparent;
      transition:.3s ease;
    }
    .topbar.scrolled{
      border-color:var(--line);
      box-shadow:0 8px 25px rgba(24,57,99,.08);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-size:21px;
      font-weight:800;
      white-space:nowrap;
    }
    .brand:hover{color:var(--primary)}
    .brand-mark{
      position:relative;
      width:34px;
      height:34px;
      border-radius:11px;
      background:var(--primary);
      box-shadow:5px 5px 0 #cfe0fa;
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      background:#fff;
      border-radius:5px;
    }
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{
      display:flex;
      align-items:center;
      gap:2px;
      flex:1;
      min-width:0;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .channels::-webkit-scrollbar{display:none}
    .channels a{
      padding:8px 10px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
    }
    .channels a:hover,.channels a.active{
      color:var(--primary);
      background:var(--soft);
      font-weight:700;
    }
    .nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
    .search{
      display:flex;
      align-items:center;
      gap:7px;
      width:166px;
      padding:8px 11px;
      color:var(--muted);
      background:#f3f6fa;
      border:1px solid transparent;
      border-radius:10px;
    }
    .search:focus-within{
      background:#fff;
      border-color:#a9c5ef;
      box-shadow:0 0 0 3px rgba(36,99,212,.1);
    }
    .search input{
      width:100%;
      padding:0;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:13px;
    }
    .search svg{width:16px;flex:0 0 auto}
    .menu-toggle{display:none;padding:9px 12px;color:var(--primary);background:var(--soft);border-radius:9px}
    .hero-selection{
      position:relative;
      min-height:515px;
      padding:150px 0 76px;
      background:#dfeefa url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .hero-selection:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(242,249,255,.98) 0%,rgba(242,249,255,.88) 51%,rgba(242,249,255,.28) 100%);
    }
    .hero-selection:after{
      content:"";
      position:absolute;
      right:8%;
      bottom:-110px;
      width:280px;
      height:280px;
      border:1px solid rgba(36,99,212,.16);
      border-radius:50%;
      box-shadow:0 0 0 30px rgba(36,99,212,.04),0 0 0 60px rgba(36,99,212,.03);
    }
    .hero-inner{position:relative;z-index:1}
    .hero-copy{max-width:720px}
    .hero-copy p{max-width:650px;font-size:18px;line-height:1.95}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:30px;
    }
    .hero-meta span{
      padding:7px 12px;
      color:var(--ink);
      background:rgba(255,255,255,.8);
      border:1px solid rgba(177,203,233,.8);
      border-radius:9px;
      font-size:13px;
    }
    .breadcrumb{
      padding:20px 0;
      background:#fff;
      border-bottom:1px solid var(--line);
      font-size:13px;
      color:var(--muted);
    }
    .breadcrumb a{color:var(--primary)}
    .filter-panel{
      padding:22px 24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow-sm);
    }
    .filter-row{
      display:flex;
      align-items:center;
      gap:18px;
      flex-wrap:wrap;
    }
    .filter-label{font-size:14px;font-weight:800;color:var(--ink)}
    .filter-buttons{display:flex;gap:8px;flex-wrap:wrap}
    .filter-btn{
      padding:8px 14px;
      color:var(--muted);
      background:#f5f8fc;
      border:1px solid var(--line);
      border-radius:9px;
      font-size:13px;
      transition:.25s;
    }
    .filter-btn:hover,.filter-btn.active{
      color:var(--primary);
      background:var(--soft);
      border-color:#a9c5ef;
    }
    .filter-btn.active{font-weight:700}
    .selection-feature{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-visual{
      position:relative;
      min-height:470px;
      overflow:hidden;
      border-radius:24px;
      background:#dceafa;
      box-shadow:var(--shadow);
    }
    .feature-visual img{height:100%;transition:.45s}
    .feature-visual:hover img{transform:scale(1.04)}
    .visual-caption{
      position:absolute;
      left:24px;
      right:24px;
      bottom:23px;
      padding:19px 21px;
      color:#fff;
      background:rgba(21,36,61,.86);
      border-radius:15px;
    }
    .visual-caption p{margin:0;color:#dce8f8;font-size:14px}
    .feature-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:35px 38px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-sm);
    }
    .feature-copy h2{max-width:480px}
    .feature-copy p{font-size:16px;line-height:2}
    .feature-points{list-style:none;padding:0;margin:20px 0 26px}
    .feature-points li{
      position:relative;
      padding:11px 0 11px 29px;
      border-bottom:1px solid var(--line);
      color:var(--ink);
      font-size:14px;
    }
    .feature-points li:before{
      content:"✓";
      position:absolute;
      left:0;
      color:var(--secondary);
      font-weight:800;
    }
    .rail-wrap{position:relative}
    .content-rail{
      display:flex;
      gap:17px;
      overflow-x:auto;
      padding:3px 3px 17px;
      scrollbar-color:#b8ccea transparent;
    }
    .content-rail::-webkit-scrollbar{height:6px}
    .content-rail::-webkit-scrollbar-thumb{background:#b8ccea;border-radius:10px}
    .rail-card{
      flex:0 0 274px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:17px;
      box-shadow:var(--shadow-sm);
    }
    .rail-card img{height:158px;transition:.4s}
    .rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .rail-card:hover img{transform:scale(1.04)}
    .rail-content{padding:18px}
    .rail-content h3{font-size:18px}
    .rail-content p{font-size:13px;line-height:1.75;margin-bottom:14px}
    .text-link{color:var(--primary);font-size:13px;font-weight:700}
    .text-link:hover{color:var(--primary-dark);text-decoration:underline}
    .masonry{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      grid-template-rows:auto auto;
      gap:19px;
    }
    .masonry-card{
      position:relative;
      min-height:230px;
      overflow:hidden;
      padding:25px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow-sm);
    }
    .masonry-card.large{
      grid-row:span 2;
      min-height:480px;
      color:#fff;
      background:#1c3967;
    }
    .masonry-card.large:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(21,36,61,.04),rgba(21,36,61,.88));
      z-index:1;
    }
    .masonry-card.large img{position:absolute;inset:0;height:100%;opacity:.82}
    .masonry-card.large .masonry-content{position:absolute;z-index:2;left:25px;right:25px;bottom:23px}
    .masonry-card.large p{color:#e2ecfa}
    .masonry-card:not(.large):hover{border-color:#a9c5ef;transform:translateY(-3px)}
    .masonry-card h3{font-size:20px}
    .masonry-card p{font-size:14px;line-height:1.8}
    .status{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:22px;
      color:var(--muted);
      font-size:13px;
    }
    .status i{width:8px;height:8px;border-radius:50%;background:var(--secondary);display:inline-block}
    .timeline-layout{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:45px;
      align-items:start;
    }
    .timeline-intro{
      padding:30px;
      background:#e7f0ff;
      border:1px solid #c9dcfa;
      border-radius:20px;
    }
    .timeline-intro p{line-height:1.95}
    .timeline{position:relative;padding-left:30px}
    .timeline:before{
      content:"";
      position:absolute;
      left:7px;
      top:6px;
      bottom:6px;
      width:2px;
      background:#c9dcfa;
    }
    .timeline-item{
      position:relative;
      padding:0 0 26px 20px;
      border-bottom:1px solid var(--line);
      margin-bottom:25px;
    }
    .timeline-item:last-child{border-bottom:0;margin-bottom:0}
    .timeline-item:before{
      content:"";
      position:absolute;
      left:-28px;
      top:6px;
      width:12px;
      height:12px;
      border:3px solid var(--secondary);
      background:#fff;
      border-radius:50%;
    }
    .timeline-date{color:var(--primary);font-size:13px;font-weight:800}
    .timeline-item h3{font-size:19px;margin:6px 0}
    .timeline-item p{font-size:14px;line-height:1.8;margin-bottom:0}
    .path-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:30px;
      align-items:stretch;
    }
    .path-image{overflow:hidden;border-radius:22px;min-height:370px}
    .path-image img{height:100%}
    .path-box{
      padding:30px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
    }
    .path-list{counter-reset:path;list-style:none;padding:0;margin:10px 0 0}
    .path-list li{
      counter-increment:path;
      position:relative;
      padding:14px 0 14px 52px;
      border-bottom:1px solid var(--line);
    }
    .path-list li:before{
      content:counter(path,decimal-leading-zero);
      position:absolute;
      left:0;
      top:13px;
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--soft);
      border-radius:10px;
      font-size:12px;
      font-weight:800;
    }
    .path-list strong{display:block;color:var(--ink);font-size:16px}
    .path-list span{display:block;color:var(--muted);font-size:13px}
    .faq-grid{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:35px;
      align-items:start;
    }
    .faq-intro{padding-top:8px}
    .faq-intro p{line-height:2}
    .faq-box{overflow:hidden}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      padding:20px 23px;
      color:var(--ink);
      background:#fff;
      text-align:left;
      font-weight:700;
    }
    .faq-question:hover{color:var(--primary);background:#fbfdff}
    .faq-question span:last-child{font-size:24px;color:var(--primary);line-height:1;transition:.25s}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 23px 20px}
    .faq-item.open .faq-answer{display:block}
    .faq-answer p{margin:0;font-size:14px;line-height:1.9}
    .cta{
      padding:65px 0;
      background:var(--ink);
      color:#fff;
    }
    .cta-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
    }
    .cta h2{margin-bottom:12px}
    .cta p{max-width:650px;margin:0;color:#cbd8eb}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:0 0 auto}
    footer{padding:58px 0 24px;background:#112039;color:#cbd8eb}
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr .9fr;
      gap:32px;
      padding-bottom:42px;
    }
    footer .brand{color:#fff;margin-bottom:18px}
    footer .brand-mark{box-shadow:5px 5px 0 rgba(255,255,255,.12)}
    footer p{max-width:300px;color:#9fb1c9;font-size:13px;line-height:1.9}
    footer h3{color:#fff;font-size:15px;margin-bottom:15px}
    footer .footer-grid>div>a:not(.brand){
      display:block;
      width:max-content;
      margin:7px 0;
      color:#9fb1c9;
      font-size:13px;
    }
    footer .footer-grid>div>a:not(.brand):hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      border-top:1px solid rgba(220,230,242,.15);
      color:#8295af;
      font-size:12px;
      line-height:1.8;
    }
    @media(max-width:1200px){
      .channels a{padding-left:7px;padding-right:7px}
      .search{width:140px}
    }
    @media(max-width:992px){
      .nav-wrap{gap:14px}
      .channels{order:3;width:100%;flex-basis:100%;padding-bottom:8px}
      .nav-wrap{flex-wrap:wrap;padding-top:10px}
      .topbar{position:relative}
      .hero-selection{padding-top:86px}
      .selection-feature,.timeline-layout,.path-grid,.faq-grid{grid-template-columns:1fr}
      .feature-visual{min-height:380px}
      .timeline-intro{max-width:none}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .nav-wrap{min-height:70px}
      .brand{font-size:19px}
      .nav-actions{margin-left:auto}
      .search{width:135px}
      .nav-actions .btn-secondary{display:none}
      .hero-selection{min-height:auto;padding:70px 0 58px}
      .hero-copy p{font-size:16px}
      .feature-copy{padding:27px 23px}
      .masonry{grid-template-columns:1fr 1fr}
      .masonry-card.large{grid-column:span 2;grid-row:auto;min-height:390px}
      .masonry-card{min-height:220px;padding:20px}
      .cta-inner{display:block}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:640px){
      h1{font-size:38px}
      h2{font-size:30px}
      .search{display:none}
      .nav-wrap{align-items:center}
      .channels{padding-top:3px}
      .channels a{font-size:13px}
      .hero-actions .btn{width:100%}
      .hero-meta{gap:7px}
      .hero-meta span{font-size:12px}
      .filter-panel{padding:18px}
      .filter-row{display:block}
      .filter-label{display:block;margin-bottom:10px}
      .feature-visual{min-height:300px}
      .visual-caption{left:14px;right:14px;bottom:14px;padding:14px}
      .content-rail{margin-right:-15px;padding-right:15px}
      .masonry{display:block}
      .masonry-card,.masonry-card.large{min-height:260px;margin-bottom:16px}
      .masonry-card.large{min-height:340px}
      .path-image{min-height:270px}
      .faq-question{padding:17px}
      .faq-answer{padding:0 17px 18px}
      .footer-grid{grid-template-columns:1fr}
      footer .footer-grid>div>a:not(.brand){display:inline-block;margin-right:16px}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 24px)}
      .hero-selection{padding-top:58px}
      .btn{width:100%}
      .cta-actions .btn{width:100%}
      .section-tight{padding:48px 0}
    }

/* roulang page: category5 */
:root{
      --primary:#2463d4;--primary-dark:#17449f;--secondary:#0fa99b;--coral:#f47b62;
      --ink:#15243d;--muted:#607089;--paper:#f5f8fc;--surface:#fff;--soft:#eaf2fb;
      --line:#dce6f2;--shadow:0 18px 45px rgba(32,71,119,.10);--shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;--radius-sm:12px;--max:1240px
    }
    *{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",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    body,button,input{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1,h2,h3{line-height:1.3;margin-top:0}
    h1{font-size:clamp(36px,5vw,62px);margin-bottom:18px;letter-spacing:-.04em}
    h2{font-size:clamp(28px,3vw,40px);margin-bottom:14px}
    h3{font-size:21px;margin-bottom:9px}
    p{color:var(--muted);margin:0 0 15px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.93);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .channels a{font-size:14px;padding:8px 10px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:9px;flex:none}
    .search{display:flex;align-items:center;gap:7px;width:168px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .search svg{width:16px;flex:none}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:11px 19px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn:focus,.search input:focus{outline:3px solid rgba(36,99,212,.22);outline-offset:2px}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .hero{padding:145px 0 75px;background:#e2eff9 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;position:relative}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.97),rgba(244,249,255,.82) 54%,rgba(244,249,255,.34))}
    .hero-inner{position:relative;z-index:1}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:25px}
    .crumb a{color:var(--primary)}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    .hero-copy{max-width:720px}
    .hero-copy>p{font-size:18px;line-height:2;max-width:680px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-meta span{background:#fff;border:1px solid var(--line);padding:7px 12px;border-radius:9px}
    .section{padding:86px 0}
    .section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
    .section-head p{max-width:600px;margin:0}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;margin-bottom:9px}
    .layout-mag{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}
    .cover-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .cover-feature .image-wrap{height:365px;overflow:hidden}
    .cover-feature img{height:100%;transition:.5s}
    .cover-feature:hover img{transform:scale(1.035)}
    .feature-copy{padding:28px 30px 31px}
    .tag{display:inline-block;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:10px}
    .feature-copy p{font-size:15px;max-width:730px}
    .side-index{background:var(--ink);color:#fff;border-radius:var(--radius);padding:25px;position:sticky;top:100px}
    .side-index h3{color:#fff;font-size:18px}
    .side-index p{color:#b9c9dc;font-size:13px}
    .side-index a{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px;color:#dce9fa}
    .side-index a:hover,.side-index a.current{color:#8fdbd2;padding-left:6px}
    .side-index b{font-weight:500;color:#86a0c4}
    .topic-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .topic-card{display:grid;grid-template-columns:180px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow-sm);margin-bottom:18px}
    .topic-card img{height:145px;border-radius:11px}
    .topic-card h3{font-size:19px}
    .topic-card p{font-size:13px;line-height:1.75}
    .topic-card .btn{padding:8px 12px;font-size:12px}
    .archive-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px}
    .archive-list h3{margin-bottom:18px}
    .archive-item{display:grid;grid-template-columns:76px 1fr;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
    .archive-item:last-child{border-bottom:0}
    .archive-item time{font-size:12px;color:var(--secondary);font-weight:700;padding-top:3px}
    .archive-item h3{font-size:16px;margin-bottom:4px}
    .archive-item p{font-size:13px;margin:0}
    .deep-section{background:#edf5fc}
    .deep-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
    .deep-grid img{height:405px;border-radius:24px;box-shadow:var(--shadow)}
    .deep-copy p{font-size:16px;line-height:2}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line);color:var(--ink)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .data-band{background:var(--ink);color:#fff;padding:40px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-cell{border-left:1px solid rgba(255,255,255,.18);padding-left:22px}
    .data-cell strong{display:block;font-size:37px;color:#fff;line-height:1.2}
    .data-cell span{font-size:13px;color:#b7c8dd}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .related-card img{height:188px}
    .related-card:first-child img{height:250px}
    .related-card .card-body{padding:19px 21px}
    .related-card h3{font-size:19px}
    .related-card p{font-size:13px}
    .route-box{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
    .route-step{padding:28px 26px;position:relative;border-right:1px solid var(--line)}
    .route-step:last-child{border-right:0}
    .route-step em{font-style:normal;color:var(--primary);font-size:30px;font-weight:800}
    .route-step h3{margin-top:8px}
    .route-step p{font-size:14px;margin:0}
    .faq-area{background:#fff}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item button{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;color:var(--ink);padding:17px 0;font-weight:700}
    .faq-item button span:last-child{color:var(--primary);font-size:22px;line-height:1}
    .faq-answer{display:none;padding:0 35px 17px 0;color:var(--muted);font-size:14px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open button{color:var(--primary)}
    .cta{padding:64px 0;background:#dfeefa}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px;background:#fff;border:1px solid #cbdced;border-radius:24px;padding:34px 40px;box-shadow:var(--shadow)}
    .cta-box p{margin:0;max-width:620px}
    footer{background:#fff;border-top:1px solid var(--line);padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
    footer .brand{margin-bottom:14px}
    footer p{font-size:13px;max-width:320px}
    footer h3{font-size:15px;margin-bottom:12px}
    footer .footer-grid>div>a:not(.brand){display:block;color:var(--muted);font-size:13px;padding:3px 0}
    footer .footer-grid>div>a:hover{color:var(--primary)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:36px;padding-top:18px;color:#7b8ba0;font-size:12px}
    @media(max-width:1100px){.channels a{padding:8px 7px}.search{width:135px}.nav-wrap{gap:12px}}
    @media(max-width:900px){.channels{order:3;width:100%;flex-basis:100%}.nav-wrap{height:auto;min-height:78px;flex-wrap:wrap;padding:12px 0}.nav-actions{margin-left:auto}.hero{padding-top:155px}.layout-mag,.deep-grid{grid-template-columns:1fr}.side-index{position:static}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-column:span 2}.data-grid{grid-template-columns:repeat(2,1fr);gap:25px}}
    @media(max-width:640px){.container{width:min(100% - 28px,var(--max))}.search{display:none}.nav-actions .btn-secondary{display:none}.menu-toggle{display:block}.channels{display:none;flex-direction:column;align-items:stretch;background:#fff;border-top:1px solid var(--line);padding:9px 0}.channels.open{display:flex}.channels a{padding:10px 12px}.hero{padding:137px 0 55px;min-height:0}.hero-copy>p{font-size:16px}.section{padding:62px 0}.section-head{display:block;margin-bottom:23px}.section-head h2{margin-bottom:9px}.cover-feature .image-wrap{height:245px}.feature-copy{padding:22px}.topic-grid{grid-template-columns:1fr}.topic-card{grid-template-columns:115px 1fr;gap:13px;padding:12px}.topic-card img{height:105px}.topic-card h3{font-size:16px}.topic-card p{font-size:12px}.archive-list{padding:18px}.deep-grid{gap:25px}.deep-grid img{height:280px}.data-grid{grid-template-columns:1fr 1fr}.data-cell strong{font-size:28px}.related-grid{grid-template-columns:1fr}.related-card:first-child{grid-column:auto}.related-card:first-child img,.related-card img{height:205px}.route-box{grid-template-columns:1fr}.route-step{border-right:0;border-bottom:1px solid var(--line);padding:22px}.route-step:last-child{border-bottom:0}.faq-grid{grid-template-columns:1fr}.cta-box{display:block;padding:27px 23px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:480px){h1{font-size:36px}.hero-actions .btn{width:100%}.hero-meta{display:grid;grid-template-columns:1fr 1fr}.topic-card{grid-template-columns:1fr}.topic-card img{height:160px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* roulang page: category7 */
:root{
 --primary:#2463d4;--primary-dark:#17449f;--secondary:#0fa99b;--coral:#f47b62;
 --ink:#15243d;--muted:#607089;--paper:#f5f8fc;--surface:#fff;--soft:#eaf2fb;
 --line:#dce6f2;--shadow:0 18px 45px rgba(32,71,119,.10);--shadow-sm:0 8px 24px rgba(32,71,119,.08);
 --radius:20px;--radius-sm:12px;--max:1240px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4,p{overflow-wrap:break-word}
h1,h2,h3,h4{line-height:1.3;margin-top:0}
p{color:var(--muted)}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.94);border-bottom:1px solid transparent;transition:.3s}
.topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;flex:0 0 auto}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
.brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
.brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
.channels{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
.channels a{font-size:14px;padding:8px 10px;border-radius:9px;color:var(--muted);white-space:nowrap}
.channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:9px}
.search{display:flex;align-items:center;gap:7px;width:166px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
.search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
.search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
.search svg{width:16px;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn:focus,.channels a:focus,.footer-grid a:focus,.faq-question:focus{outline:3px solid rgba(36,99,212,.22);outline-offset:2px}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
.btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d95f4b;color:#fff}
.menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
.hero{min-height:620px;padding:145px 0 76px;position:relative;background:#14243d url('/assets/images/backpic/back-3.webp') center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,32,57,.96),rgba(20,42,76,.78) 52%,rgba(20,42,76,.30))}
.hero-inner{position:relative;z-index:1}
.hero-copy{max-width:690px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
.hero .eyebrow{color:#dff8f4;background:rgba(15,169,155,.16);border-color:rgba(126,230,216,.3)}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
.hero h1{font-size:clamp(38px,5vw,64px);margin:22px 0 20px;letter-spacing:-.04em}
.hero p{font-size:18px;max-width:650px;line-height:2;color:#dbe6f6}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.hero-points{display:flex;gap:25px;flex-wrap:wrap;margin-top:30px}
.hero-point{font-size:13px;color:#dbe6f6}
.hero-point strong{display:block;font-size:25px;color:#fff;line-height:1.2}
.hero-panel{background:#fff;color:var(--ink);border-radius:22px;padding:22px;box-shadow:0 22px 55px rgba(0,0,0,.2);max-width:370px;margin-left:auto}
.hero-panel img{height:160px;border-radius:14px;margin-bottom:16px}
.panel-line{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:10px 0;font-size:13px}
.panel-line:last-child{border:0}
.panel-line span{color:var(--muted)}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
.section-head p{max-width:600px;margin:0}
.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;margin-bottom:10px}
.section h2{font-size:clamp(28px,3.2vw,42px);margin-bottom:14px}
.section h3{font-size:22px}
.surface-soft{background:var(--soft)}
.card,.story,.guide,.faq-box,.contact-box,.summary-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card{padding:28px;height:100%;transition:.25s}
.card:hover,.summary-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{width:45px;height:45px;border-radius:13px;background:#e6f1ff;color:var(--primary);display:grid;place-items:center;font-weight:800;font-size:20px;margin-bottom:20px}
.tag{display:inline-block;background:#eef7f5;color:#138d82;padding:4px 9px;border-radius:6px;font-size:12px;margin-bottom:12px}
.summary-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.summary-card{padding:24px;transition:.25s}
.summary-card:first-child{background:var(--ink);color:#fff}
.summary-card:first-child p{color:#cbd8ea}
.summary-card strong{font-size:34px;line-height:1;color:var(--primary);display:block;margin:8px 0}
.summary-card:first-child strong{color:#8de5d8}
.article-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.article-copy{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px 40px;box-shadow:var(--shadow-sm)}
.article-copy p{font-size:16px;line-height:2;margin:0 0 18px}
.article-copy p:last-child{margin-bottom:0}
.article-image{position:sticky;top:105px}
.article-image img{height:470px;border-radius:22px}
.image-caption{padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:13px;margin-top:12px;font-size:13px;color:var(--muted)}
.check-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:34px}
.check-intro{padding:32px;background:#fff;border-radius:22px;border:1px solid var(--line)}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding:17px 0 17px 42px;border-bottom:1px solid var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li:before{content:"✓";position:absolute;left:0;top:17px;width:25px;height:25px;border-radius:8px;background:#e7f7f4;color:#138d82;text-align:center;font-weight:800}
.check-list strong{display:block;color:var(--ink);margin-bottom:4px}
.check-list span{font-size:14px;color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.scenario-main{position:relative;min-height:370px;overflow:hidden;border-radius:22px;background:#1d3153;color:#fff}
.scenario-main img{height:370px;opacity:.7}
.scenario-overlay{position:absolute;inset:0;padding:30px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 25%,rgba(15,31,56,.9))}
.scenario-overlay p{color:#dbe6f6;margin:0;max-width:580px}
.scenario-side{display:grid;gap:20px}
.scenario-side .card{min-height:175px}
.timeline{border-left:2px solid #c9dcfa;padding-left:28px}
.timeline-item{position:relative;padding:0 0 26px}
.timeline-item:before{content:"";position:absolute;left:-37px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--secondary);border:3px solid #d9f4ef}
.timeline-item time{font-size:12px;color:var(--primary);font-weight:800}
.timeline-item h3{margin:5px 0 6px;font-size:19px}
.timeline-item p{font-size:14px;margin:0}
.related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.related-feature{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm)}
.related-feature img{height:260px}
.related-content{padding:25px}
.related-content p{margin-bottom:18px}
.related-list{display:grid;gap:13px}
.related-item{display:grid;grid-template-columns:100px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px}
.related-item img{height:82px;border-radius:10px}
.related-item h3{font-size:16px;margin:5px 0}
.related-item p{font-size:12px;line-height:1.6;margin:0}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-box{overflow:hidden}
.faq-question{width:100%;padding:20px 22px;text-align:left;background:#fff;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}
.faq-question span:last-child{color:var(--primary);font-size:21px}
.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85}
.faq-box.open .faq-answer{display:block}
.faq-box.open .faq-question{color:var(--primary);background:#f9fbff}
.cta{padding:68px 0;background:#e2f4f1}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px;background:#fff;border:1px solid #cce7e3;border-radius:23px;padding:34px 38px;box-shadow:var(--shadow-sm)}
.cta-box h2{margin-bottom:8px}
.cta-box p{margin:0;max-width:680px}
footer{padding:62px 0 24px;background:#13233d;color:#d7e3f2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr .8fr;gap:35px}
footer .brand{color:#fff;margin-bottom:16px}
footer .brand-mark{box-shadow:5px 5px 0 #395272}
footer p{color:#aebed2;font-size:14px;max-width:310px}
.footer-grid h3{font-size:15px;color:#fff;margin-bottom:15px}
.footer-grid>div>a:not(.brand){display:block;color:#afbed1;font-size:13px;margin:7px 0}
.footer-grid>div>a:not(.brand):hover{color:#fff;transform:translateX(2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:40px;color:#9eafc4;font-size:12px}
@media(max-width:1200px){
 .channels a{padding-left:7px;padding-right:7px}.search{width:145px}
}
@media(max-width:992px){
 .nav-wrap{gap:12px}.channels{order:3;position:absolute;top:78px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:9px;display:none;box-shadow:var(--shadow-sm)}
 .channels.open{display:flex}.menu-toggle{display:block}.nav-actions{margin-left:auto}.hero-panel{margin:32px 0 0;max-width:none}
 .hero{padding-top:128px}.article-grid,.check-layout,.scenario-grid,.related-grid{grid-template-columns:1fr}
 .article-image{position:static}.article-image img{height:360px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 28px))}.nav-wrap{height:70px}.channels{top:70px;left:14px;right:14px;flex-wrap:wrap}
 .nav-actions .btn-secondary{display:none}.search{width:135px}.hero{padding:118px 0 60px;min-height:auto}
 .hero h1{font-size:42px}.hero p{font-size:16px}.section{padding:68px 0}.section-head{display:block;margin-bottom:24px}
 .section-head p{margin-top:12px}.summary-grid,.faq-grid{grid-template-columns:1fr}.summary-card{min-height:auto}
 .article-copy{padding:26px 22px}.article-image img{height:290px}.scenario-main,.scenario-main img{min-height:310px;height:310px}
 .cta-box{display:block;padding:28px 24px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}
@media(max-width:520px){
 body{font-size:15px}.brand{font-size:18px}.brand-mark{width:30px;height:30px}.nav-wrap{gap:8px}.search{width:112px;padding:7px 8px}.search input{font-size:12px}
 .hero h1{font-size:34px}.hero-actions .btn{width:100%}.hero-points{gap:15px}.hero-point strong{font-size:22px}
 .hero-panel{padding:16px}.hero-panel img{height:135px}.section{padding:54px 0}.section h2{font-size:29px}.card{padding:22px}
 .article-copy p{font-size:15px}.check-intro{padding:24px 20px}.related-item{grid-template-columns:82px 1fr}.related-item img{height:72px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
}

/* roulang page: category4 */
:root{
      --primary:#2463d4;
      --primary-dark:#17449f;
      --secondary:#0fa99b;
      --coral:#f47b62;
      --ink:#15243d;
      --muted:#607089;
      --paper:#f5f8fc;
      --surface:#fff;
      --soft:#eaf2fb;
      --line:#dce6f2;
      --shadow:0 18px 45px rgba(32,71,119,.10);
      --shadow-sm:0 8px 24px rgba(32,71,119,.08);
      --radius:20px;
      --radius-sm:12px;
      --max:1240px;
    }
    *{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",sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;letter-spacing:-.025em}
    h1{font-size:clamp(38px,5vw,62px);margin-bottom:22px}
    h2{font-size:clamp(28px,3.5vw,42px);margin-bottom:16px}
    h3{font-size:21px;margin-bottom:10px}
    p{color:var(--muted)}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,99,212,.35);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{position:fixed;z-index:20;top:0;left:0;width:100%;background:rgba(255,255,255,.94);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{box-shadow:0 8px 25px rgba(24,57,99,.08);border-color:var(--line)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;white-space:nowrap;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);position:relative;box-shadow:5px 5px 0 #cfe0fa;flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:8px;height:20px;left:9px;top:7px;transform:rotate(34deg)}
    .brand-mark:after{width:8px;height:13px;right:8px;top:11px;transform:rotate(-34deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
    .channels::-webkit-scrollbar{display:none}
    .channels a{font-size:14px;padding:8px 11px;border-radius:9px;color:var(--muted);white-space:nowrap}
    .channels a:hover,.channels a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;gap:7px;width:170px;background:#f3f6fa;border:1px solid transparent;border-radius:10px;padding:8px 11px;color:var(--muted)}
    .search:focus-within{background:#fff;border-color:#a9c5ef;box-shadow:0 0 0 3px rgba(36,99,212,.1)}
    .search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .search svg{width:16px;flex:0 0 auto}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 21px;font-weight:700;font-size:14px;line-height:1.2;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(36,99,212,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:#fff;border-color:#b9cce5;color:var(--primary)}
    .btn-secondary:hover{border-color:var(--primary);background:var(--soft)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#d95f4b;color:#fff;transform:translateY(-2px)}
    .btn:active{transform:translateY(1px)}
    .menu-toggle{display:none;background:var(--soft);color:var(--primary);padding:9px 12px;border-radius:9px}
    .hero{padding:148px 0 76px;position:relative;background:#e2effb url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:rgba(242,248,255,.9)}
    .hero-inner{position:relative;z-index:1}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--primary);background:#e7f0ff;border:1px solid #c9dcfa;border-radius:7px;padding:5px 10px;font-size:12px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary)}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .hero-copy{max-width:680px}
    .hero-copy>p{font-size:18px;max-width:650px;line-height:2}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;margin-top:30px}
    .hero-point{font-size:13px;color:var(--ink);font-weight:700}
    .hero-point strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .bento{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:190px 150px;gap:14px}
    .bento-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;position:relative}
    .bento-main{grid-row:span 2}
    .bento-card img{height:100%;opacity:.88}
    .bento-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(21,36,61,.82),transparent 65%)}
    .bento-copy{position:absolute;z-index:1;left:22px;right:18px;bottom:18px;color:#fff}
    .bento-copy p{color:#e5eefb;font-size:13px;line-height:1.7;margin:0}
    .mini-panel{padding:20px;background:#fff}
    .mini-panel strong{display:block;font-size:30px;color:var(--secondary);line-height:1.2;margin-bottom:7px}
    .mini-panel p{font-size:13px;margin:0;line-height:1.65}
    .quick-band{padding:20px 0;background:#fff;border-bottom:1px solid var(--line)}
    .quick-inner{display:flex;align-items:center;gap:18px}
    .quick-label{font-weight:800;white-space:nowrap}
    .strip-list{display:flex;gap:10px;overflow:auto;scrollbar-width:none}
    .strip-list::-webkit-scrollbar{display:none}
    .strip-list a{flex:0 0 auto;border:1px solid var(--line);padding:9px 15px;border-radius:9px;color:var(--muted);font-size:14px}
    .strip-list a:hover{border-color:var(--primary);color:var(--primary);background:var(--soft)}
    .section{padding:92px 0}
    .section-tight{padding:64px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head p{max-width:610px;margin:0}
    .section-kicker{font-size:12px;letter-spacing:.16em;color:var(--secondary);font-weight:800;margin-bottom:10px}
    .guide-layout{display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:start}
    .guide-index{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:var(--shadow-sm)}
    .guide-index a{display:block;padding:12px 14px;border-radius:10px;color:var(--muted);font-size:14px}
    .guide-index a:hover,.guide-index a.active{background:var(--soft);color:var(--primary);font-weight:700}
    .guide-content{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .intro-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
    .intro-card h3{color:var(--primary)}
    .intro-card p{font-size:15px}
    .cover-card{border-radius:var(--radius);overflow:hidden;min-height:100%;background:#dcecf8;box-shadow:var(--shadow-sm)}
    .cover-card img{height:100%;min-height:280px}
    .steps{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{counter-increment:steps;background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;min-height:205px;position:relative}
    .step:before{content:"0" counter(steps);display:block;color:var(--primary);font-size:13px;font-weight:800;margin-bottom:23px}
    .step:not(:last-child):after{content:"→";position:absolute;right:-17px;top:47%;color:var(--secondary);font-size:22px;z-index:2}
    .step p{font-size:14px;line-height:1.75;margin:0}
    .data-band{background:var(--ink);color:#fff;padding:42px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-item{padding:8px 20px;border-left:1px solid rgba(255,255,255,.18)}
    .data-item strong{font-size:39px;line-height:1.2;color:#fff;display:block}
    .data-item span{color:#b9c8dc;font-size:13px}
    .check-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:center}
    .check-layout img{height:410px;border-radius:24px}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{position:relative;padding:11px 0 11px 29px;border-bottom:1px solid var(--line);color:var(--ink)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:800}
    .notice{background:var(--soft);border-radius:16px;padding:19px 22px;border-left:4px solid var(--secondary);font-size:14px;color:var(--ink)}
    .topic-area{background:#fff}
    .topic-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .topic-feature{display:grid;grid-template-columns:.95fr 1.05fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);background:#fff}
    .topic-feature img{height:100%;min-height:300px}
    .topic-body{padding:30px}
    .topic-body p{font-size:15px}
    .topic-side{display:grid;gap:14px}
    .side-note{border:1px solid var(--line);border-radius:16px;padding:22px;background:#f9fbfe}
    .side-note span{font-size:12px;color:var(--secondary);font-weight:800}
    .side-note p{font-size:14px;margin:7px 0 0}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}
    .faq-intro{background:var(--primary);color:#fff;border-radius:var(--radius);padding:30px}
    .faq-intro p{color:#e1ebff;font-size:14px}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 19px;transition:.25s}
    details[open]{border-color:#a9c5ef;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;list-style:none;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(--primary);font-size:20px}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;padding:0 0 17px;margin:0;line-height:1.8}
    .cta{padding:68px 0;background:#dcecf9}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 40px;box-shadow:var(--shadow)}
    .cta-box p{margin:0;max-width:650px}
    footer{background:#fff;border-top:1px solid var(--line);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
    footer .brand{margin-bottom:18px}
    footer p{font-size:14px;max-width:300px}
    footer h3{font-size:15px;margin-bottom:16px}
    footer .footer-grid>div:not(:first-child) a{display:block;color:var(--muted);font-size:14px;margin:7px 0}
    footer a:hover{color:var(--primary)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:20px;color:var(--muted);font-size:12px}
    @media(max-width:1100px){.channels a{padding:8px 7px}.nav-wrap{gap:14px}.search{width:145px}}
    @media(max-width:900px){.hero-layout,.check-layout,.faq-grid{grid-template-columns:1fr}.guide-layout{grid-template-columns:1fr}.guide-index{position:static;display:flex;gap:5px;overflow:auto}.guide-index a{white-space:nowrap}.steps{grid-template-columns:repeat(2,1fr)}.step:not(:last-child):after{display:none}.topic-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:700px){.nav-wrap{height:68px}.channels{display:none}.nav-actions{margin-left:auto}.search{width:145px}.menu-toggle{display:block}.nav-actions .btn-secondary{display:none}.hero{padding:123px 0 55px}.hero-layout{gap:28px}.bento{grid-template-rows:155px 130px}.hero-copy>p{font-size:16px}.section{padding:65px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:12px}.quick-inner{display:block}.quick-label{display:block;margin-bottom:10px}.guide-content{grid-template-columns:1fr}.topic-feature{grid-template-columns:1fr}.topic-feature img{min-height:210px}.data-grid{grid-template-columns:repeat(2,1fr);gap:14px}.data-item{padding:8px 14px}.data-item strong{font-size:30px}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
    @media(max-width:480px){.container{width:min(var(--max),calc(100% - 28px))}.brand{font-size:18px}.brand-mark{width:30px;height:30px}.nav-actions{gap:6px}.search{width:125px;padding:7px 8px}.search input{font-size:12px}.hero h1{font-size:38px}.hero-points{gap:15px}.bento{display:block}.bento-main{height:250px;margin-bottom:12px}.mini-panel{display:inline-block;width:calc(50% - 8px);vertical-align:top;min-height:130px}.mini-panel strong{font-size:25px}.steps{grid-template-columns:1fr}.check-layout img{height:280px}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}}