/* roulang page: index */
:root{
      --ink:#201b2d;
      --muted:#756f82;
      --paper:#f7f5f1;
      --white:#fff;
      --night:#15121f;
      --purple:#6d45e8;
      --purple-dark:#5230bd;
      --coral:#ff7657;
      --mint:#46d6b0;
      --line:rgba(32,27,45,.12);
      --soft-purple:#eee9ff;
      --soft-coral:#fff0eb;
      --soft-mint:#e4faf3;
      --radius:18px;
      --shadow:0 16px 45px rgba(32,27,45,.09);
      --shadow-small:0 8px 24px rgba(32,27,45,.08);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.9);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}
    .brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}
    .nav-cta:hover{background:var(--purple-dark)!important;transform:translateY(-2px)}
    .stepbar{border-top:1px solid var(--line);padding:12px 0 14px}
    .steps{display:flex;align-items:center;justify-content:center;max-width:720px;margin:auto}
    .step{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;white-space:nowrap}
    .step-dot{width:10px;height:10px;border-radius:50%;background:#d6d0df;border:2px solid var(--paper)}
    .step.current{color:var(--purple);font-weight:700}
    .step.current .step-dot{background:var(--purple);box-shadow:0 0 0 4px rgba(109,69,232,.14)}
    .step-line{height:1px;background:var(--line);flex:1;margin:0 13px}
    .hero{background:var(--night);color:#fff;padding:76px 0 82px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(70,214,176,.22);border-radius:50%;right:-110px;top:-180px}
    .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:66px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}
    .hero h1{font-size:clamp(42px,5.2vw,68px);line-height:1.16;letter-spacing:0;margin:16px 0 23px;max-width:650px}
    .hero-copy{font-size:18px;line-height:1.9;color:rgba(255,255,255,.75);max-width:590px}
    .actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
    .btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}
    .hero-micro{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.64);font-size:13px}
    .hero-micro strong{display:block;color:#fff;font-size:20px;line-height:1.2}
    .stage{position:relative;min-height:390px}
    .stage-image{height:390px;width:100%;object-fit:cover;border-radius:26px;opacity:.82}
    .stage-panel{position:absolute;left:-28px;bottom:-26px;width:245px;background:#fff;color:var(--ink);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
    .stage-panel small{color:var(--muted)}.stage-panel strong{display:block;font-size:25px;margin:5px 0}
    .section{padding:92px 0}.section-tight{padding:66px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section h2{font-size:clamp(29px,3.2vw,43px);line-height:1.25;margin:7px 0 0}
    .section-lead{max-width:560px;color:var(--muted);margin:0}
    .feature-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .overview{background:var(--purple);color:#fff;border-radius:var(--radius);padding:38px;min-height:360px;position:relative;overflow:hidden}
    .overview:after{content:"09";position:absolute;right:26px;bottom:-32px;font-size:180px;font-weight:900;line-height:1;color:rgba(255,255,255,.1)}
    .overview h3{font-size:31px;max-width:390px;line-height:1.35}.overview p{color:rgba(255,255,255,.76);max-width:480px}
    .status{display:inline-block;border-radius:30px;padding:5px 11px;background:rgba(255,255,255,.16);font-size:12px}
    .feature-stack{display:grid;gap:14px}
    .feature-item,.content-card,.news-row,.benefit-panel,.privacy-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
    .feature-item{padding:25px 27px;display:flex;justify-content:space-between;gap:20px;align-items:start}
    .feature-item h3{font-size:20px;margin:0 0 5px}.feature-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .arrow{color:var(--purple);font-size:22px}.feature-strip{margin-top:14px;background:var(--soft-mint);border-radius:12px;padding:13px 17px;color:#256e5d;font-size:14px}
    .data-band{background:#242033;color:#fff;padding:30px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.data-cell{padding:5px 20px;border-left:1px solid rgba(255,255,255,.18)}.data-cell:first-child{border-left:0}.data-cell strong{display:block;font-size:34px;color:var(--mint);line-height:1.2}.data-cell span{color:rgba(255,255,255,.64);font-size:13px}
    .scene-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:60px;align-items:center}.scene-photo{height:510px;width:100%;object-fit:cover;border-radius:22px}
    .scene-list{display:grid;gap:22px}.scene-step{display:grid;grid-template-columns:46px 1fr;gap:15px}.scene-num{width:42px;height:42px;border-radius:50%;background:var(--soft-coral);color:var(--coral);display:grid;place-items:center;font-weight:800}.scene-step h3{font-size:20px;margin:0 0 3px}.scene-step p{margin:0;color:var(--muted);font-size:15px}
    .wall{background:var(--soft-coral)}.wall-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}.wall-card{position:relative;min-height:235px;border-radius:16px;overflow:hidden;color:#fff;background:var(--night)}.wall-card.large{grid-row:span 2;min-height:485px}.wall-card img{width:100%;height:100%;object-fit:cover;opacity:.67}.wall-content{position:absolute;inset:auto 20px 18px}.wall-content h3{font-size:22px;margin:5px 0}.tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750}.tag.hot{background:var(--coral);color:#fff}.tag.purple{background:var(--soft-purple);color:var(--purple)}
    .content-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}.feature-content{background:var(--night);border-radius:var(--radius);overflow:hidden;color:#fff}.feature-content img{height:270px;width:100%;object-fit:cover}.feature-content-body{padding:25px}.feature-content h3{font-size:27px;line-height:1.35}.feature-content p{color:rgba(255,255,255,.7)}
    .side-content{display:grid;gap:14px}.content-card{padding:20px}.content-card h3{font-size:18px;margin:8px 0 3px}.content-card p{font-size:14px;color:var(--muted);margin:0}.content-meta{font-size:12px;color:var(--coral)}
    .results{background:var(--night);color:#fff}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}.result-main{padding:38px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius)}.result-main h3{font-size:29px}.result-main p{color:rgba(255,255,255,.7)}.result-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result-stat{background:#29243a;border-radius:14px;padding:25px}.result-stat strong{display:block;font-size:34px;color:var(--coral)}.result-stat span{color:rgba(255,255,255,.63);font-size:13px}
    .brand-story{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.brand-story p{color:var(--muted);margin:0 0 16px}.story-note{border-left:3px solid var(--coral);padding-left:20px;color:var(--ink)!important;font-weight:650}.story-image{height:350px;object-fit:cover;border-radius:22px}
    .membership{background:var(--soft-purple)}.member-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}.benefit-panel{padding:34px}.benefit-panel.primary{background:var(--purple);color:#fff;border:0}.benefit-panel.primary p{color:rgba(255,255,255,.74)}.benefit-price{font-size:42px;font-weight:800;line-height:1.1;margin:20px 0}.benefit-list{padding:0;margin:20px 0;list-style:none}.benefit-list li{padding:11px 0;border-bottom:1px solid var(--line)}.primary .benefit-list li{border-color:rgba(255,255,255,.18)}.benefit-list li:before{content:"✓";color:var(--mint);font-weight:800;margin-right:10px}
    .form-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px}.form-copy p{color:var(--muted)}.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-small)}.form-label{font-weight:700;font-size:14px}.form-control{border:1px solid var(--line);border-radius:9px;padding:12px 14px;background:#fcfbfa}.form-control:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(109,69,232,.12)}.form-hint{font-size:12px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px}.news-feature{background:var(--coral);color:#fff;padding:34px;border-radius:var(--radius);min-height:340px}.news-feature p{color:rgba(255,255,255,.8)}.news-list{display:grid;gap:10px}.news-row{display:grid;grid-template-columns:100px 1fr auto;gap:16px;align-items:center;padding:17px 20px}.news-date{font-size:13px;color:var(--muted)}.news-row h3{font-size:17px;margin:0 0 2px}.news-row p{font-size:13px;color:var(--muted);margin:0;line-height:1.55}.read-more{font-size:13px;color:var(--purple);font-weight:700;white-space:nowrap}
    .faq-wrap{max-width:900px;margin:auto}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:19px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--purple);background:var(--soft-purple)}.accordion-body{color:var(--muted);padding:0 22px 20px}
    .privacy{background:#eeece8}.privacy-box{padding:26px;display:flex;gap:20px;align-items:start}.privacy-icon{background:var(--mint);color:#154e41;padding:8px 12px;border-radius:9px;font-weight:800}.privacy-box h3{margin:0;font-size:19px}.privacy-box p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .cta{background:var(--purple);color:#fff;text-align:center;padding:80px 0}.cta h2{font-size:clamp(30px,4vw,47px);margin:0 0 14px}.cta p{color:rgba(255,255,255,.78);max-width:650px;margin:0 auto 27px}
    footer{background:var(--night);color:#fff;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:45px}.footer-brand p{color:rgba(255,255,255,.6);max-width:300px;font-size:14px}.footer-title{font-size:14px;font-weight:750;color:var(--mint);margin-bottom:13px}.footer-links{display:grid;gap:7px;color:rgba(255,255,255,.63);font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:rgba(255,255,255,.5);font-size:12px}
    @media(max-width:1200px){.hero-grid{gap:38px}.container{max-width:1100px}}
    @media(max-width:992px){.main-nav{gap:0}.main-nav a{padding:8px 7px}.hero-grid,.scene-grid,.brand-story,.member-grid,.form-layout,.news-layout,.content-grid,.result-grid{grid-template-columns:1fr;gap:28px}.stage{max-width:720px;margin:auto}.wall-grid{grid-template-columns:1fr 1fr}.wall-card.large{grid-row:auto;min-height:300px}.data-grid{grid-template-columns:repeat(2,1fr);row-gap:22px}.data-cell:nth-child(3){border-left:0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){.nav-shell{min-height:68px}.main-nav{display:none}.hero{padding:54px 0 66px}.hero h1{font-size:43px}.stage,.stage-image{min-height:300px;height:300px}.stage-panel{left:12px;bottom:-25px}.section{padding:65px 0}.section-tight{padding:48px 0}.section-head{display:block}.section-head .section-lead{margin-top:12px}.overview{min-height:310px}.wall-grid{grid-template-columns:1fr}.wall-card,.wall-card.large{min-height:260px}.result-side{grid-template-columns:1fr 1fr}.news-row{grid-template-columns:80px 1fr}.news-row .read-more{grid-column:2}.steps{justify-content:flex-start;overflow:auto;padding:0 4px}.step-line{min-width:22px;margin:0 8px}}
    @media(max-width:576px){.container{padding-left:18px;padding-right:18px}.brand{font-size:18px}.brand-mark{width:32px;height:32px}.hero h1{font-size:38px}.hero-copy{font-size:16px}.actions{display:grid}.actions a{width:100%}.data-grid{grid-template-columns:1fr 1fr}.data-cell{padding:3px 10px}.data-cell strong{font-size:27px}.feature-item{padding:20px}.overview{padding:27px}.overview h3{font-size:26px}.scene-photo{height:330px}.news-row{grid-template-columns:1fr;gap:5px}.news-row .read-more{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}.privacy-box{display:block}.privacy-icon{display:inline-block;margin-bottom:12px}}

/* roulang page: category3 */
:root{
      --ink:#201b2d;--muted:#756f82;--paper:#f7f5f1;--white:#fff;
      --night:#15121f;--purple:#6d45e8;--purple-dark:#5230bd;
      --coral:#ff7657;--mint:#46d6b0;--line:rgba(32,27,45,.12);
      --soft-purple:#eee9ff;--soft-coral:#fff0eb;--soft-mint:#e4faf3;
      --radius:18px;--shadow:0 16px 45px rgba(32,27,45,.09);
      --shadow-small:0 8px 24px rgba(32,27,45,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}
    .brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}
    .nav-cta:hover{background:var(--purple-dark)!important;transform:translateY(-2px)}
    .mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--ink)}
    .hero{background:var(--night);color:#fff;padding:68px 0 76px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(70,214,176,.22);border-radius:50%;right:-130px;top:-180px}
    .hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:65px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}
    .hero h1{font-size:clamp(42px,5.2vw,66px);line-height:1.16;margin:16px 0 22px;letter-spacing:-.03em}
    .hero-copy{font-size:18px;line-height:1.9;color:rgba(255,255,255,.76);max-width:570px}
    .crumb{font-size:13px;color:rgba(255,255,255,.58);margin-bottom:22px}
    .crumb a{color:rgba(255,255,255,.82)}
    .btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.25s}
    .btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
    .btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-visual{position:relative}
    .hero-visual img{height:390px;width:100%;object-fit:cover;border-radius:26px;opacity:.84}
    .visual-note{position:absolute;left:-25px;bottom:-24px;background:#fff;color:var(--ink);padding:20px;border-radius:16px;box-shadow:var(--shadow);width:245px}
    .visual-note small{color:var(--muted)}.visual-note strong{display:block;font-size:25px;line-height:1.3;margin:3px 0}
    .section{padding:88px 0}.section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section h2{font-size:clamp(29px,3.2vw,43px);line-height:1.25;margin:7px 0 0}
    .section-lead{max-width:560px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
    .steps:before{content:"";position:absolute;left:14%;right:14%;top:42px;height:2px;background:var(--line)}
    .step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-small);z-index:1}
    .step-no{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:var(--purple);color:#fff;font-weight:800;font-size:20px;margin-bottom:22px;box-shadow:0 0 0 8px var(--paper)}
    .step-card:nth-child(2) .step-no{background:var(--coral)}.step-card:nth-child(3) .step-no{background:var(--mint);color:#164e42}
    .step-card h3{font-size:22px;margin:0 0 9px}.step-card p{color:var(--muted);margin:0}
    .step-link{display:inline-block;color:var(--purple);font-weight:700;margin-top:18px;font-size:14px}
    .dark-panel{background:var(--night);color:#fff;border-radius:24px;padding:42px}
    .dark-panel p{color:rgba(255,255,255,.72)}.dark-panel h3{font-size:28px}
    .guide-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:stretch}
    .guide-list{display:grid;gap:12px}.guide-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 21px;display:flex;gap:16px;align-items:flex-start}
    .guide-item b{color:var(--purple);font-size:20px;line-height:1.3}.guide-item strong{display:block}.guide-item span{display:block;color:var(--muted);font-size:14px}
    .notice{background:var(--soft-mint);border-left:4px solid var(--mint);padding:18px 22px;border-radius:10px;color:#256e5d;margin-top:20px}
    .scene{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .scene-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
    .scene-image{height:360px;width:100%;object-fit:cover;border-radius:22px}
    .timeline{display:grid;gap:22px}.timeline-item{display:grid;grid-template-columns:48px 1fr;gap:16px}
    .timeline-mark{width:40px;height:40px;border-radius:12px;background:var(--soft-coral);color:var(--coral);display:grid;place-items:center;font-weight:800}
    .timeline-item h3{font-size:19px;margin:0 0 4px}.timeline-item p{margin:0;color:var(--muted);font-size:15px}
    .data-band{background:#242033;color:#fff;padding:31px 0}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-cell{padding:5px 20px;border-left:1px solid rgba(255,255,255,.18)}.data-cell:first-child{border-left:0}
    .data-cell strong{display:block;font-size:34px;color:var(--mint);line-height:1.2}.data-cell span{color:rgba(255,255,255,.65);font-size:13px}
    .content-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}.feature-content{background:var(--night);color:#fff;border-radius:var(--radius);overflow:hidden}
    .feature-content img{height:270px;width:100%;object-fit:cover}.feature-content-body{padding:25px}.feature-content h3{font-size:27px;line-height:1.35}.feature-content p{color:rgba(255,255,255,.7)}
    .side-cards{display:grid;gap:16px}.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-small)}
    .content-card h3{font-size:19px;margin:12px 0 5px}.content-card p{font-size:14px;color:var(--muted);margin:0}
    .tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750}.tag.hot{background:var(--coral);color:#fff}.tag.purple{background:var(--soft-purple);color:var(--purple)}
    .benefit-wrap{display:grid;grid-template-columns:1fr .9fr;gap:24px}.benefit-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-small)}
    .benefit-panel.emphasis{background:var(--soft-purple);border-color:transparent}.benefit-panel h3{font-size:27px;margin:11px 0}.benefit-panel p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:20px 0}.check-list li{padding:11px 0;border-bottom:1px solid var(--line);display:flex;gap:10px}.check-list li:before{content:"✓";color:var(--purple);font-weight:800}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-row{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:20px 24px;display:grid;grid-template-columns:105px 110px 1fr auto;gap:18px;align-items:center;box-shadow:none}.news-row:last-child{border-bottom:0}
    .news-date{font-size:13px;color:var(--muted)}.news-row h3{font-size:17px;margin:0}.news-row p{font-size:14px;color:var(--muted);margin:3px 0 0}.read{color:var(--purple);font-weight:700;font-size:13px;white-space:nowrap}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:20px 22px}.accordion-button:not(.collapsed){color:var(--purple);background:var(--soft-purple);box-shadow:none}.accordion-button:focus{box-shadow:none}.accordion-body{color:var(--muted);padding:0 22px 22px}
    .cta{background:var(--coral);color:#fff;border-radius:24px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:28px}.cta h2{margin:0 0 8px;font-size:34px}.cta p{margin:0;color:rgba(255,255,255,.82)}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow-small)}.form-label{font-weight:700;font-size:14px}.form-control{border:1px solid var(--line);border-radius:10px;padding:12px}.form-control:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(109,69,232,.12)}
    footer{background:var(--night);color:#fff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;max-width:300px;margin-top:18px}.footer-title{font-weight:800;margin-bottom:13px}.footer-links{display:grid;gap:8px;color:rgba(255,255,255,.62);font-size:14px}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;color:rgba(255,255,255,.48);font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1200px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}}
    @media(max-width:992px){.hero-grid,.guide-grid,.scene-grid,.benefit-wrap,.content-layout{grid-template-columns:1fr}.hero-visual{margin-top:20px}.steps{grid-template-columns:1fr}.steps:before{display:none}.data-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.main-nav{display:none}.mobile-toggle{display:block;margin-left:auto}.main-nav.open{display:flex;position:absolute;top:82px;left:0;right:0;background:#fff;padding:15px 24px;flex-wrap:wrap;box-shadow:var(--shadow-small)}}
    @media(max-width:768px){.section{padding:64px 0}.hero{padding:48px 0 62px}.hero h1{font-size:43px}.hero-visual img{height:300px}.visual-note{position:relative;left:0;bottom:auto;margin:-20px 15px 0}.dark-panel{padding:28px}.news-row{grid-template-columns:85px 1fr}.news-row .tag{display:none}.read{grid-column:2}.cta{display:block;padding:30px}.cta .btn-ghost{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
    @media(max-width:576px){.container{padding-left:18px;padding-right:18px}.nav-shell{min-height:72px}.main-nav.open{top:72px;padding:12px 18px}.main-nav.open a{width:100%}.main-nav.open .nav-cta{margin-top:5px;text-align:center}.hero h1{font-size:38px}.hero-copy{font-size:16px}.hero-actions a{width:100%}.data-grid{grid-template-columns:1fr 1fr;gap:8px}.data-cell{padding:5px 10px}.data-cell strong{font-size:27px}.footer-grid{grid-template-columns:1fr}.section-head{display:block}.section-head .section-lead{margin-top:14px}.news-row{display:block}.news-row h3{margin:8px 0}.read{display:inline-block;margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#201b2d;
      --muted:#756f82;
      --paper:#f7f5f1;
      --white:#fff;
      --night:#15121f;
      --purple:#6d45e8;
      --purple-dark:#5230bd;
      --coral:#ff7657;
      --mint:#46d6b0;
      --line:rgba(32,27,45,.12);
      --soft-purple:#eee9ff;
      --soft-coral:#fff0eb;
      --soft-mint:#e4faf3;
      --radius:18px;
      --shadow:0 16px 45px rgba(32,27,45,.09);
      --shadow-small:0 8px 24px rgba(32,27,45,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
      font-size:16px;
      line-height:1.8;
      overflow-x:hidden
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(255,118,87,.45);
      outline-offset:3px
    }
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(247,245,241,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid transparent;
      transition:.3s
    }
    .topbar.scrolled{
      background:rgba(255,255,255,.97);
      border-color:var(--line);
      box-shadow:0 5px 20px rgba(32,27,45,.05)
    }
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{
      width:37px;height:37px;border-radius:12px;background:var(--purple);
      position:relative;box-shadow:5px 5px 0 var(--coral);flex:none
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border:2px solid #fff;border-radius:50%
    }
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}
    .brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .main-nav .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}
    .main-nav .nav-cta:hover{background:var(--purple-dark)!important;transform:translateY(-2px)}
    .nav-toggle{
      display:none;border:1px solid var(--line);background:#fff;border-radius:10px;
      width:42px;height:40px;color:var(--ink);font-size:21px
    }
    .progress-wrap{border-top:1px solid var(--line);background:rgba(255,255,255,.55)}
    .progress-track{display:flex;align-items:center;gap:0;max-width:760px;padding:12px 0 13px}
    .progress-step{display:flex;align-items:center;color:var(--muted);font-size:12px;white-space:nowrap}
    .progress-step a{display:flex;align-items:center;gap:8px}
    .progress-dot{
      width:10px;height:10px;border-radius:50%;background:#d8d3df;
      border:2px solid var(--paper);box-shadow:0 0 0 1px #d8d3df
    }
    .progress-step.active{color:var(--purple);font-weight:750}
    .progress-step.active .progress-dot{background:var(--purple);box-shadow:0 0 0 1px var(--purple)}
    .progress-line{height:1px;background:#d8d3df;flex:1;min-width:30px;margin:0 12px}
    .hero{
      background:var(--night);color:#fff;padding:66px 0 72px;
      position:relative;overflow:hidden
    }
    .hero:before{
      content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(109,69,232,.4);
      border-radius:50%;right:-170px;top:-230px
    }
    .hero:after{
      content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(70,214,176,.25);
      border-radius:50%;left:-100px;bottom:-130px
    }
    .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}
    .hero h1{font-size:clamp(40px,5vw,64px);line-height:1.18;letter-spacing:-.03em;margin:15px 0 22px}
    .hero-copy{font-size:18px;line-height:1.9;color:rgba(255,255,255,.76);max-width:590px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 25px}
    .btn-main,.btn-ghost,.btn-coral{
      border:0;border-radius:10px;padding:12px 21px;font-weight:700;
      display:inline-flex;align-items:center;justify-content:center;gap:8px
    }
    .btn-main{background:var(--purple);color:#fff}
    .btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
    .btn-ghost:hover{background:#fff;color:var(--ink)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}
    .hero-micro{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.64);font-size:13px}
    .hero-micro strong{display:block;color:#fff;font-size:22px;line-height:1.25}
    .phone-scene{min-height:440px;position:relative;display:flex;justify-content:center;align-items:center}
    .phone-backdrop{
      position:absolute;width:83%;height:86%;right:3%;top:4%;border-radius:30px;
      background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.5;transform:rotate(4deg)
    }
    .phone{
      position:relative;z-index:2;width:260px;min-height:435px;border:8px solid #29233b;
      border-radius:34px;background:#fff;box-shadow:0 28px 70px rgba(0,0,0,.35);overflow:hidden
    }
    .phone-top{height:32px;background:#29233b;display:flex;justify-content:center;padding-top:5px}
    .phone-notch{width:80px;height:16px;border-radius:0 0 12px 12px;background:#15121f}
    .phone-img{height:170px;width:100%;object-fit:cover}
    .phone-body{padding:17px;color:var(--ink)}
    .phone-body small{color:var(--muted);font-size:11px}
    .phone-body h3{font-size:20px;line-height:1.35;margin:7px 0 10px}
    .phone-line{height:8px;border-radius:8px;background:#eee9ff;margin:8px 0}
    .phone-line.short{width:62%;background:#e4faf3}
    .floating-note{
      position:absolute;z-index:3;right:0;bottom:25px;background:#fff;color:var(--ink);
      border-radius:15px;padding:16px 18px;box-shadow:var(--shadow);width:205px
    }
    .floating-note b{display:block;color:var(--purple);font-size:22px;line-height:1.25}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section h2{font-size:clamp(29px,3.2vw,42px);line-height:1.25;margin:7px 0 0}
    .section-lead{max-width:570px;color:var(--muted);margin:0}
    .soft-section{background:#fff}
    .filter-bar{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:18px;
      background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-small)
    }
    .filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:5px}
    .filter-btn{
      border:1px solid var(--line);background:var(--paper);color:var(--muted);
      padding:7px 13px;border-radius:8px;font-size:13px;cursor:pointer;transition:.25s
    }
    .filter-btn:hover,.filter-btn.active{background:var(--purple);border-color:var(--purple);color:#fff}
    .guide-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:22px;margin-top:22px}
    .feature-banner{
      min-height:370px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;
      background:var(--night)
    }
    .feature-banner img{width:100%;height:100%;object-fit:cover;opacity:.58}
    .feature-banner:after{
      content:"";position:absolute;inset:35% 0 0;
      background:linear-gradient(transparent,rgba(21,18,31,.95))
    }
    .banner-copy{position:absolute;z-index:2;left:30px;right:30px;bottom:27px}
    .banner-copy h3{font-size:29px;line-height:1.35;margin:12px 0 8px}
    .banner-copy p{color:rgba(255,255,255,.75);margin:0;max-width:680px}
    .side-index{background:var(--soft-purple);border-radius:var(--radius);padding:27px}
    .side-index h3{font-size:21px;margin:0 0 16px}
    .index-list{list-style:none;padding:0;margin:0}
    .index-list li{border-bottom:1px solid rgba(109,69,232,.16);padding:12px 0}
    .index-list li:last-child{border-bottom:0}
    .index-list a{display:flex;justify-content:space-between;gap:15px;font-weight:700}
    .index-list span{color:var(--purple);font-size:13px}
    .content-layout{display:grid;grid-template-columns:1fr .34fr;gap:44px}
    .guide-list{display:grid;gap:14px}
    .guide-row{
      background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 24px;
      display:grid;grid-template-columns:90px 1fr auto;align-items:start;gap:20px;box-shadow:var(--shadow-small);
      transition:.25s
    }
    .guide-row:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .guide-date{font-size:13px;color:var(--muted);font-weight:700;padding-top:3px}
    .guide-row h3{font-size:20px;line-height:1.4;margin:0 0 5px}
    .guide-row p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
    .row-meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
    .tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750;line-height:1.4}
    .tag.hot{background:var(--coral);color:#fff}
    .tag.purple{background:var(--soft-purple);color:var(--purple)}
    .text-link{color:var(--purple);font-size:13px;font-weight:750;white-space:nowrap}
    .side-note{background:var(--night);color:#fff;border-radius:var(--radius);padding:25px;align-self:start;position:sticky;top:110px}
    .side-note h3{font-size:21px;line-height:1.4;margin:0 0 11px}
    .side-note p{color:rgba(255,255,255,.68);font-size:14px}
    .side-note ul{padding-left:18px;margin:18px 0 0;color:rgba(255,255,255,.8);font-size:14px}
    .side-note li{margin:8px 0}
    .data-band{background:#242033;color:#fff;padding:29px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-cell{padding:5px 20px;border-left:1px solid rgba(255,255,255,.18)}
    .data-cell:first-child{border-left:0}
    .data-cell strong{display:block;font-size:32px;color:var(--mint);line-height:1.2}
    .data-cell span{color:rgba(255,255,255,.64);font-size:13px}
    .deep-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .deep-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
    .deep-image img{width:100%;height:420px;object-fit:cover}
    .deep-copy p{color:var(--muted);margin:14px 0}
    .check-list{list-style:none;padding:0;margin:24px 0}
    .check-list li{position:relative;padding-left:28px;margin:12px 0;color:var(--ink)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--coral);font-weight:900}
    .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:28px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
    .mini-card b{display:block;color:var(--purple);font-size:25px;line-height:1.2;margin-bottom:5px}
    .mini-card span{font-size:13px;color:var(--muted)}
    .topic-wall{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .wall-card{position:relative;min-height:220px;border-radius:16px;overflow:hidden;color:#fff;background:var(--night)}
    .wall-card.tall{grid-row:span 2;min-height:456px}
    .wall-card img{width:100%;height:100%;object-fit:cover;opacity:.65}
    .wall-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(21,18,31,.9))}
    .wall-copy{position:absolute;z-index:2;left:20px;right:20px;bottom:18px}
    .wall-copy h3{font-size:20px;line-height:1.4;margin:9px 0 0}
    .faq-wrap{max-width:900px;margin:auto}
    .accordion-item{border:1px solid var(--line)!important;border-radius:13px!important;overflow:hidden;margin-bottom:11px;background:#fff}
    .accordion-button{font-weight:750;color:var(--ink);background:#fff;padding:19px 21px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--purple);background:var(--soft-purple)}
    .accordion-button:after{background-size:14px}
    .accordion-body{padding:0 21px 20px;color:var(--muted);font-size:15px}
    .cta{
      background:var(--purple);color:#fff;border-radius:24px;padding:47px 52px;
      display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden
    }
    .cta:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-70px;top:-150px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 8px;position:relative;z-index:1}
    .cta p{margin:0;color:rgba(255,255,255,.78);max-width:650px;position:relative;z-index:1}
    .cta .btn-ghost{position:relative;z-index:1}
    footer{background:var(--night);color:#fff;padding:59px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:rgba(255,255,255,.62);font-size:14px;max-width:300px;margin-top:19px}
    .footer-title{font-weight:750;margin-bottom:13px}
    .footer-links{display:grid;gap:8px;color:rgba(255,255,255,.62);font-size:14px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:39px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.47);font-size:12px}
    @media(max-width:1200px){.main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px}.hero-grid{gap:35px}}
    @media(max-width:992px){
      .nav-shell{position:relative}.nav-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
      .hero-grid,.deep-grid{grid-template-columns:1fr}.phone-scene{min-height:390px}.content-layout{grid-template-columns:1fr}.side-note{position:static}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .container{padding-left:18px;padding-right:18px}.nav-shell{min-height:72px}
      .progress-wrap{overflow-x:auto}.progress-track{min-width:650px}
      .hero{padding:52px 0 60px}.hero h1{font-size:43px}.hero-copy{font-size:16px}
      .phone-scene{min-height:370px;margin-top:15px}.phone{width:235px;min-height:390px}.phone-img{height:150px}.floating-note{right:2px;bottom:8px;width:180px}
      .section{padding:64px 0}.section-head{display:block}.section-lead{margin-top:13px}
      .guide-layout,.topic-wall{grid-template-columns:1fr}.guide-row{grid-template-columns:72px 1fr}.guide-row .text-link{grid-column:2}
      .topic-wall .tall{min-height:330px;grid-row:auto}
      .data-grid{grid-template-columns:repeat(2,1fr);gap:16px}.data-cell:nth-child(3){border-left:0}
      .deep-image img{height:310px}.mini-grid{grid-template-columns:1fr}
      .cta{display:block;padding:34px 27px}.cta h2{font-size:28px}.cta .btn-ghost{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:576px){
      .brand{font-size:19px}.hero h1{font-size:37px}.hero-actions a{width:100%}.phone-scene{transform:scale(.94);margin-left:-8px;margin-right:-8px}
      .filter-bar{align-items:flex-start}.filter-label{width:100%}.guide-row{grid-template-columns:1fr;gap:7px}.guide-row .text-link{grid-column:auto}
      .data-grid{grid-template-columns:1fr 1fr}.data-cell{padding:5px 10px}.data-cell strong{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{--ink:#201b2d;--muted:#756f82;--paper:#f7f5f1;--white:#fff;--night:#15121f;--purple:#6d45e8;--purple-dark:#5230bd;--coral:#ff7657;--mint:#46d6b0;--line:rgba(32,27,45,.12);--soft-purple:#eee9ff;--soft-coral:#fff0eb;--soft-mint:#e4faf3;--radius:18px;--shadow:0 16px 45px rgba(32,27,45,.09);--shadow-small:0 8px 24px rgba(32,27,45,.08)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:.25s ease}a:hover{color:var(--purple)}button,input,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}.container{max-width:1220px;margin:auto;padding:0 24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}.topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}.nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}.brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}.brand-mark:before{width:18px;height:18px;left:9px;top:9px}.brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}.main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}.nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}.nav-cta:hover{background:var(--purple-dark)!important;transform:translateY(-2px)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--ink)}
    .progressbar{border-top:1px solid var(--line);background:#fff}.progress-inner{display:flex;align-items:center;gap:0;min-height:58px}.progress-step{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;flex:1}.progress-step:after{content:"";height:1px;background:var(--line);flex:1;margin:0 13px}.progress-step:last-child:after{display:none}.node{width:22px;height:22px;border:2px solid #c9c3d3;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;background:#fff}.progress-step.active{color:var(--purple);font-weight:750}.progress-step.active .node{background:var(--purple);color:#fff;border-color:var(--purple)}
    .hero{background:var(--night);color:#fff;padding:70px 0 78px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(70,214,176,.18);border-radius:50%;right:-170px;top:-240px}.hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center;position:relative;z-index:1}.eyebrow,.section-kicker{color:var(--coral);font-size:13px;font-weight:750;letter-spacing:.08em}.hero h1{font-size:clamp(42px,5vw,64px);line-height:1.18;margin:15px 0 21px}.hero-copy{font-size:18px;line-height:1.9;color:rgba(255,255,255,.75);max-width:560px}.crumb{font-size:13px;color:rgba(255,255,255,.58);margin-bottom:18px}.crumb a{color:rgba(255,255,255,.8)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0}.btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}.btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}.hero-meta{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.6);font-size:13px}.hero-meta strong{display:block;color:#fff;font-size:22px;line-height:1.25}.cover-stage{position:relative}.cover-stage>img{width:100%;height:405px;object-fit:cover;border-radius:25px;opacity:.83}.stage-note{position:absolute;left:-24px;bottom:-22px;background:#fff;color:var(--ink);padding:20px;border-radius:16px;box-shadow:var(--shadow);width:235px}.stage-note small{color:var(--muted)}.stage-note strong{display:block;font-size:25px;line-height:1.25;margin:4px 0}
    .section{padding:88px 0}.section-tight{padding:62px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}.section h2{font-size:clamp(29px,3.2vw,43px);line-height:1.28;margin:7px 0 0}.section-lead{max-width:575px;color:var(--muted);margin:0}.label{display:inline-block;padding:4px 10px;border-radius:6px;background:var(--soft-purple);color:var(--purple);font-size:12px;font-weight:750}.label.hot{background:var(--soft-coral);color:#c94a32}.label.mint{background:var(--soft-mint);color:#18735d}
    .coupon-area{background:var(--soft-coral)}.coupon-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:26px;align-items:stretch}.coupon-intro,.coupon-card,.topic-card,.timeline-card,.guide-box,.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}.coupon-intro{padding:34px}.coupon-intro h3{font-size:28px;line-height:1.35;margin:15px 0}.coupon-intro p{color:var(--muted)}.coupon-card{padding:28px;display:flex;align-items:center;gap:25px;position:relative;overflow:hidden}.coupon-card:after{content:"";position:absolute;right:-44px;top:-60px;width:170px;height:170px;border:25px solid var(--soft-purple);border-radius:50%}.coupon-code{width:150px;height:150px;border-radius:22px;background:var(--purple);color:#fff;display:grid;place-items:center;text-align:center;position:relative;z-index:1;flex:none}.coupon-code strong{font-size:37px;line-height:1}.coupon-copy{position:relative;z-index:1}.coupon-copy h3{font-size:25px;margin:0 0 6px}.coupon-copy p{color:var(--muted);font-size:14px}.coupon-copy .btn-coral{margin-top:8px}
    .topic-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:17px}.topic-card{overflow:hidden}.topic-card.big{grid-row:span 2}.topic-card img{width:100%;height:205px;object-fit:cover}.topic-card.big img{height:355px}.topic-body{padding:21px}.topic-body h3{font-size:21px;line-height:1.45;margin:10px 0 7px}.topic-body p{font-size:14px;color:var(--muted);margin:0 0 13px}.topic-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.text-link{color:var(--purple);font-weight:700;font-size:14px}
    .dark-section{background:var(--night);color:#fff}.dark-section .section-lead{color:rgba(255,255,255,.67)}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.story-grid img{height:390px;width:100%;object-fit:cover;border-radius:22px}.story-copy p{color:rgba(255,255,255,.72);font-size:16px}.story-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}.story-list li{padding:12px 15px;border-left:3px solid var(--mint);background:rgba(255,255,255,.06);border-radius:0 10px 10px 0}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.timeline-card{padding:25px;position:relative}.timeline-card .date{color:var(--coral);font-size:13px;font-weight:750}.timeline-card h3{font-size:20px;margin:10px 0 5px}.timeline-card p{color:var(--muted);font-size:14px;margin:0}
    .info-band{background:#242033;color:#fff;padding:30px 0}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.info-cell{border-left:1px solid rgba(255,255,255,.18);padding-left:20px}.info-cell:first-child{border-left:0}.info-cell strong{display:block;font-size:31px;color:var(--mint);line-height:1.2}.info-cell span{font-size:13px;color:rgba(255,255,255,.63)}
    .guide-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.guide-box{padding:29px}.guide-box h3{font-size:24px;margin-top:0}.guide-box p{color:var(--muted)}.guide-box ol{padding-left:22px}.guide-box li{margin:11px 0}.notice{padding:17px;background:var(--soft-mint);border-radius:12px;color:#256e5d;font-size:14px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:12px;background:#fff}.accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:19px 21px}.accordion-button:not(.collapsed){color:var(--purple);background:var(--soft-purple);box-shadow:none}.accordion-button:focus{box-shadow:0 0 0 3px rgba(109,69,232,.15)}.accordion-body{color:var(--muted);padding:0 21px 20px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.related-card{padding:22px}.related-card h3{font-size:19px;margin:12px 0 5px}.related-card p{color:var(--muted);font-size:14px;margin-bottom:15px}
    .cta{background:var(--purple);color:#fff;padding:54px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px;margin:0 0 8px}.cta p{margin:0;color:rgba(255,255,255,.75)}.cta .btn-ghost{border-color:rgba(255,255,255,.6)}
    footer{background:#100e17;color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1fr;gap:36px}.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;max-width:290px;margin-top:18px}.footer-title{font-weight:750;margin-bottom:14px}.footer-links{display:grid;gap:8px;color:rgba(255,255,255,.6);font-size:14px}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:rgba(255,255,255,.45);font-size:12px}
    @media(max-width:1200px){.main-nav a{padding-left:8px;padding-right:8px}.hero-grid{gap:35px}}@media(max-width:992px){.main-nav{display:none}.menu-toggle{display:block;margin-left:auto}.main-nav.open{display:flex;position:absolute;top:82px;left:0;right:0;background:#fff;padding:16px 24px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.main-nav.open .nav-cta{text-align:center}.hero-grid,.story-grid,.guide-grid,.coupon-grid{grid-template-columns:1fr}.cover-stage{margin-top:15px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card.big{grid-row:auto}.topic-card.big img,.topic-card img{height:245px}.info-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.section{padding:62px 0}.progress-inner{overflow-x:auto;min-width:620px}.progressbar{overflow:hidden}.hero{padding:52px 0 65px}.hero h1{font-size:42px}.cover-stage>img{height:300px}.stage-note{left:15px}.topic-grid,.timeline,.related-grid{grid-template-columns:1fr}.section-head,.cta-inner{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.story-grid img{height:290px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}@media(max-width:576px){.container{padding:0 18px}.nav-shell{min-height:72px}.main-nav.open{top:72px}.hero h1{font-size:36px}.hero-copy{font-size:16px}.coupon-card{display:block}.coupon-code{margin-bottom:20px}.coupon-card:after{right:-85px}.info-grid{gap:12px}.info-cell{padding-left:12px}.info-cell strong{font-size:25px}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}}

/* roulang page: category4 */
:root{
      --ink:#201b2d;--muted:#756f82;--paper:#f7f5f1;--white:#fff;--night:#15121f;
      --purple:#6d45e8;--purple-dark:#5230bd;--coral:#ff7657;--mint:#46d6b0;
      --line:rgba(32,27,45,.12);--soft-purple:#eee9ff;--soft-coral:#fff0eb;--soft-mint:#e4faf3;
      --radius:18px;--shadow:0 16px 45px rgba(32,27,45,.09);--shadow-small:0 8px 24px rgba(32,27,45,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral);display:inline-block}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}.brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .main-nav a{padding:9px 11px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}
    .nav-cta:hover{background:var(--purple-dark)!important;color:#fff!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--ink)}
    .progress-nav{border-top:1px solid var(--line);background:rgba(255,255,255,.65)}
    .progress-track{display:flex;align-items:center;gap:0;padding:13px 0 14px;overflow-x:auto}
    .progress-step{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;white-space:nowrap}
    .progress-step:after{content:"";width:52px;height:1px;background:var(--line);margin:0 13px}
    .progress-step:last-child:after{display:none}
    .progress-step span{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#e4e0ea;font-size:12px;font-weight:800}
    .progress-step.active{color:var(--purple);font-weight:700}.progress-step.active span{background:var(--purple);color:#fff}
    .hero{background:var(--night);color:#fff;padding:72px 0 76px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(70,214,176,.2);border-radius:50%;right:-130px;top:-190px}
    .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}
    .hero h1{font-size:clamp(42px,5.2vw,66px);line-height:1.16;margin:15px 0 21px;letter-spacing:-.03em}
    .hero-copy{font-size:18px;line-height:1.9;color:rgba(255,255,255,.75);max-width:590px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
    .btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}
    .hero-micro{display:flex;gap:24px;flex-wrap:wrap;color:rgba(255,255,255,.64);font-size:13px}
    .hero-micro strong{display:block;color:#fff;font-size:20px;line-height:1.2}
    .hero-visual{position:relative;min-height:390px}.hero-visual img{height:390px;width:100%;object-fit:cover;border-radius:26px;opacity:.82}
    .visual-card{position:absolute;left:-24px;bottom:-23px;background:#fff;color:var(--ink);padding:20px;border-radius:16px;width:245px;box-shadow:var(--shadow)}
    .visual-card small{color:var(--muted)}.visual-card strong{display:block;font-size:26px;margin:4px 0}
    .section{padding:82px 0}.section-tight{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
    .section h2{font-size:clamp(29px,3.2vw,43px);line-height:1.25;margin:7px 0 0}.section-lead{max-width:570px;color:var(--muted);margin:0}
    .crumbs{padding:22px 0 0;color:var(--muted);font-size:14px}.crumbs a{color:var(--purple)}
    .data-band{background:#242033;color:#fff;padding:28px 0}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .data-cell{padding:4px 20px;border-left:1px solid rgba(255,255,255,.18)}.data-cell:first-child{border:0}
    .data-cell strong{display:block;font-size:33px;color:var(--mint);line-height:1.25}.data-cell span{color:rgba(255,255,255,.64);font-size:13px}
    .tag{display:inline-block;padding:4px 10px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750}
    .tag.hot{background:var(--coral);color:#fff}.tag.purple{background:var(--soft-purple);color:var(--purple)}
    .filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:23px}.filter{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:8px;padding:8px 14px;font-size:14px}.filter.active,.filter:hover{background:var(--purple);color:#fff;border-color:var(--purple)}
    .activity-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:22px}
    .activity-list,.side-panel,.timeline-box,.guide-box,.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
    .activity-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:22px 25px;border-bottom:1px solid var(--line)}.activity-item:last-child{border-bottom:0}
    .activity-date{font-weight:800;font-size:20px;line-height:1.25}.activity-date small{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:5px}
    .activity-item h3{font-size:19px;margin:0 0 5px}.activity-item p{color:var(--muted);font-size:14px;margin:0;line-height:1.65}
    .status{font-size:12px;border-radius:20px;padding:5px 10px;background:var(--soft-mint);color:#28725f;white-space:nowrap}.status.soon{background:var(--soft-coral);color:#c14d36}
    .side-panel{padding:25px;background:var(--night);color:#fff}.side-panel h3{font-size:24px;margin:13px 0 10px}.side-panel p{color:rgba(255,255,255,.68);font-size:14px}
    .side-panel img{height:165px;width:100%;object-fit:cover;border-radius:13px;margin:17px 0}
    .side-line{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px}.side-line span{color:rgba(255,255,255,.58)}
    .timeline-section{background:var(--soft-coral)}.timeline-box{padding:28px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.time-node{position:relative;padding:0 18px 0 0}.time-node:not(:last-child):after{content:"";height:2px;background:#f5b3a3;position:absolute;top:14px;left:34px;right:18px}.time-dot{width:29px;height:29px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800;position:relative;z-index:1}.time-node h3{font-size:17px;margin:17px 0 4px}.time-node p{font-size:14px;color:var(--muted);margin:0;max-width:205px}
    .feature-split{display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:center}.feature-split img{height:350px;width:100%;object-fit:cover;border-radius:22px}
    .feature-copy p{color:var(--muted);font-size:16px}.check-list{list-style:none;padding:0;margin:22px 0;display:grid;gap:12px}.check-list li{display:flex;gap:10px;align-items:start}.check-list li:before{content:"✓";color:var(--purple);font-weight:800;background:var(--soft-purple);border-radius:50%;width:23px;height:23px;text-align:center;line-height:23px;flex:none}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.scene-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.scene-card h3{margin:11px 0 6px;font-size:20px}.scene-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-wrap{padding:10px 24px}.accordion-item{border:0;border-bottom:1px solid var(--line)!important}.accordion-item:last-child{border-bottom:0!important}.accordion-button{padding:22px 3px;background:#fff!important;color:var(--ink)!important;font-weight:700;box-shadow:none!important}.accordion-button:after{background-size:14px}.accordion-body{padding:0 3px 21px;color:var(--muted);font-size:14px}
    .cta{background:var(--night);color:#fff;padding:58px 0}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:36px;line-height:1.3;margin:8px 0}.cta p{color:rgba(255,255,255,.7);max-width:650px;margin:0}
    footer{background:#0e0c15;color:#fff;padding:53px 0 24px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr .9fr;gap:30px}.footer-brand p{color:rgba(255,255,255,.58);font-size:14px;max-width:290px;margin-top:18px}.footer-title{font-weight:700;margin-bottom:14px}.footer-links{display:grid;gap:8px;color:rgba(255,255,255,.62);font-size:14px}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:19px;color:rgba(255,255,255,.48);font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1199px){.main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px}.hero-grid{gap:38px}}
    @media(max-width:991px){.main-nav{display:none}.menu-btn{display:block;margin-left:auto}.nav-shell{min-height:72px}.main-nav.show{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;padding:14px 24px 20px;box-shadow:var(--shadow);flex-wrap:wrap}.main-nav.show a{flex:1 0 28%;text-align:center}.hero-grid,.activity-layout,.feature-split{grid-template-columns:1fr}.hero{padding-top:55px}.hero-visual{max-width:700px}.data-grid{grid-template-columns:repeat(2,1fr);gap:18px}.data-cell:nth-child(3){border-left:0}.timeline{grid-template-columns:repeat(2,1fr);gap:28px}.time-node:after{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:767px){.container{padding-left:18px;padding-right:18px}.section{padding:62px 0}.section-head,.cta-box{display:block}.section-lead{margin-top:14px}.hero h1{font-size:43px}.hero-copy{font-size:16px}.hero-visual img{height:280px}.hero-visual{min-height:300px}.visual-card{left:12px;bottom:-18px}.activity-item{grid-template-columns:78px 1fr;gap:12px;padding:19px 16px}.activity-item .status{grid-column:2;justify-self:start}.activity-date{font-size:17px}.scene-grid{grid-template-columns:1fr}.wall-card{min-height:190px}.cta h2{font-size:29px}.cta .btn-coral{margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:575px){.progress-step:after{width:25px;margin:0 8px}.progress-track{padding-left:2px}.data-grid{grid-template-columns:1fr 1fr}.data-cell{padding:4px 10px}.data-cell strong{font-size:27px}.timeline{grid-template-columns:1fr}.main-nav.show a{flex-basis:45%}.footer-grid{grid-template-columns:1fr}.hero-actions a{width:100%}}

/* roulang page: category5 */
:root{
      --ink:#201b2d;--muted:#756f82;--paper:#f7f5f1;--white:#fff;--night:#15121f;
      --purple:#6d45e8;--purple-dark:#5230bd;--coral:#ff7657;--mint:#46d6b0;
      --line:rgba(32,27,45,.12);--soft-purple:#eee9ff;--soft-coral:#fff0eb;--soft-mint:#e4faf3;
      --radius:18px;--shadow:0 16px 45px rgba(32,27,45,.09);--shadow-small:0 8px 24px rgba(32,27,45,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}.brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}.nav-cta:hover{background:var(--purple-dark)!important;color:#fff!important;transform:translateY(-2px)}
    .progressbar{border-top:1px solid var(--line);padding:10px 0 12px}
    .steps{display:flex;justify-content:center;gap:0;max-width:760px;margin:auto}.step{flex:1;text-align:center;color:var(--muted);font-size:12px;position:relative}
    .step:before{content:"";display:block;width:10px;height:10px;border-radius:50%;background:#d9d3e4;margin:0 auto 4px;position:relative;z-index:1}
    .step:not(:last-child):after{content:"";position:absolute;top:5px;left:50%;width:100%;height:1px;background:#ddd7e6}
    .step.active{color:var(--purple);font-weight:700}.step.active:before{background:var(--coral);box-shadow:0 0 0 4px var(--soft-coral)}
    .hero{background:var(--night);color:#fff;padding:65px 0 72px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(70,214,176,.2);border-radius:50%;right:-120px;top:-170px}
    .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}.hero h1{font-size:clamp(40px,5vw,64px);line-height:1.18;margin:15px 0 20px}.hero-copy{font-size:18px;color:rgba(255,255,255,.76);max-width:580px}
    .btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}.btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#f25f41;color:#fff;transform:translateY(-2px)}
    .hero-micro{display:flex;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,.65);font-size:13px;margin-top:28px}.hero-micro strong{display:block;color:#fff;font-size:20px;line-height:1.25}
    .hero-visual{position:relative}.hero-visual img{height:360px;width:100%;object-fit:cover;border-radius:25px;opacity:.82}.floating-note{position:absolute;left:-25px;bottom:-24px;background:#fff;color:var(--ink);border-radius:16px;padding:18px 21px;box-shadow:var(--shadow);width:230px}.floating-note b{font-size:24px;display:block}.floating-note small{color:var(--muted)}
    .section{padding:84px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section h2{font-size:clamp(29px,3.2vw,42px);line-height:1.25;margin:7px 0}.section-lead{max-width:570px;color:var(--muted);margin:0}
    .benefit-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.benefit-panel,.compare-list,.info-card,.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
    .benefit-panel{padding:34px;background:var(--night);color:#fff}.benefit-panel h3{font-size:29px;margin:15px 0 8px}.benefit-panel p{color:rgba(255,255,255,.7)}.price-line{display:flex;align-items:end;gap:8px;margin:26px 0}.price-line strong{font-size:46px;line-height:1;color:var(--mint)}.price-line span{color:rgba(255,255,255,.6)}
    .tag{display:inline-block;padding:4px 10px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750}.tag.hot{background:var(--coral);color:#fff}.tag.purple{background:var(--soft-purple);color:var(--purple)}
    .compare-list{padding:17px 25px}.compare-row{display:grid;grid-template-columns:1.1fr .8fr .8fr;gap:12px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center}.compare-row:last-child{border:0}.compare-row strong{font-size:15px}.compare-row span{font-size:14px;color:var(--muted)}.yes{color:#168d70!important;font-weight:700}
    .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.info-card{padding:23px}.info-card h3{font-size:19px;margin:14px 0 6px}.info-card p{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:12px;background:var(--soft-purple);color:var(--purple);display:grid;place-items:center;font-weight:800;font-size:19px}
    .scene{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center}.scene img{height:390px;width:100%;object-fit:cover;border-radius:22px}.scene-list{display:grid;gap:17px}.scene-item{display:flex;gap:17px;padding:18px 0;border-bottom:1px solid var(--line)}.scene-item:last-child{border:0}.number{width:34px;height:34px;border-radius:50%;background:var(--coral);color:#fff;text-align:center;line-height:34px;font-weight:800;flex:none}.scene-item h3{font-size:19px;margin:0 0 3px}.scene-item p{color:var(--muted);font-size:14px;margin:0}
    .dark-band{background:#242033;color:#fff;padding:60px 0}.dark-band h2{font-size:34px}.dark-band p{color:rgba(255,255,255,.72);max-width:760px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}.stat{border-left:1px solid rgba(255,255,255,.2);padding-left:20px}.stat strong{display:block;color:var(--mint);font-size:31px}.stat span{font-size:13px;color:rgba(255,255,255,.62)}
    .rules{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rule-box{padding:27px;background:var(--soft-mint);border-radius:var(--radius)}.rule-box:nth-child(2){background:var(--soft-coral)}.rule-box h3{font-size:21px}.rule-box li{margin:9px 0;color:#4e485a}
    .faq-wrap{padding:8px 23px}.accordion-item{border:0;border-bottom:1px solid var(--line)!important}.accordion-item:last-child{border:0!important}.accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:21px 5px;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--purple);background:#fff}.accordion-body{padding:0 5px 20px;color:var(--muted);font-size:15px}
    .cta{background:var(--purple);color:#fff;border-radius:24px;padding:45px 50px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{margin:0;font-size:34px}.cta p{color:rgba(255,255,255,.76);margin:8px 0 0}.cta .btn-ghost{border-color:rgba(255,255,255,.6);white-space:nowrap}
    footer{background:var(--night);color:#fff;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:rgba(255,255,255,.6);max-width:310px;font-size:14px;margin-top:18px}.footer-title{font-weight:750;margin-bottom:13px;color:var(--mint)}.footer-links{display:grid;gap:7px;color:rgba(255,255,255,.64);font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.48);font-size:12px}
    @media(max-width:992px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.hero-grid,.benefit-layout,.scene{grid-template-columns:1fr;gap:35px}.hero-visual{max-width:700px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.nav-shell{min-height:72px;gap:14px}.main-nav{display:none}.nav-cta{display:none}.progressbar{overflow:auto}.steps{min-width:520px}.section{padding:62px 0}.section-head{display:block}.section-lead{margin-top:12px}.mini-grid,.rules{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.cta{display:block;padding:32px 25px}.cta .btn-ghost{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
    @media(max-width:576px){.container{padding-left:18px;padding-right:18px}.hero{padding:48px 0 62px}.hero h1{font-size:40px}.hero-copy{font-size:16px}.hero-visual img{height:275px}.floating-note{left:12px;bottom:-24px}.mini-grid,.rules{grid-template-columns:1fr}.compare-list{padding:12px 15px}.compare-row{grid-template-columns:1.15fr .8fr .8fr;font-size:13px}.scene img{height:270px}.stats{gap:10px}.stat strong{font-size:25px}.footer-grid{grid-template-columns:1fr}.brand{font-size:19px}}

/* roulang page: category6 */
:root{
      --ink:#201b2d;--muted:#756f82;--paper:#f7f5f1;--white:#fff;--night:#15121f;
      --purple:#6d45e8;--purple-dark:#5230bd;--coral:#ff7657;--mint:#46d6b0;
      --line:rgba(32,27,45,.12);--soft-purple:#eee9ff;--soft-coral:#fff0eb;
      --soft-mint:#e4faf3;--radius:18px;--shadow:0 16px 45px rgba(32,27,45,.09);
      --shadow-small:0 8px 24px rgba(32,27,45,.08)
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--purple)}button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(255,118,87,.45);outline-offset:3px}
    .container{max-width:1220px;margin:auto;padding:0 24px}
    .topbar{position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
    .topbar.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:26px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}.brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{padding:9px 11px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .main-nav .nav-cta{background:var(--purple);color:#fff;padding:11px 18px}.main-nav .nav-cta:hover{background:var(--purple-dark);transform:translateY(-2px);color:#fff}
    .progress{border-top:1px solid var(--line);background:rgba(255,255,255,.7)}.progress-inner{display:flex;gap:0;overflow:auto}
    .step{min-width:160px;flex:1;display:flex;align-items:center;gap:9px;padding:12px 8px;color:var(--muted);font-size:13px;border-bottom:3px solid transparent}
    .step i{width:23px;height:23px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:11px}
    .step.active{color:var(--purple);border-color:var(--purple);font-weight:700}.step.active i{background:var(--purple);color:#fff;border-color:var(--purple)}
    .page-hero{background:var(--night);color:#fff;padding:62px 0 70px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(70,214,176,.2);border-radius:50%;right:-150px;top:-240px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:750;font-size:13px;letter-spacing:.08em}.page-hero h1{font-size:clamp(40px,5vw,64px);line-height:1.18;margin:15px 0 20px}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.74);max-width:610px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}
    .btn-main,.btn-ghost,.btn-coral{border:0;border-radius:10px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .btn-main{background:var(--purple);color:#fff}.btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
    .hero-note{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.64);font-size:13px}.hero-note strong{display:block;color:#fff;font-size:21px}
    .brief-cover{background:#fff;color:var(--ink);border-radius:22px;padding:14px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .brief-cover img{width:100%;height:265px;object-fit:cover;border-radius:15px}.brief-body{padding:20px 14px 12px}.brief-body h2{font-size:25px;line-height:1.35;margin:7px 0}
    .cover-line{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:750}.tag.hot{background:var(--coral);color:#fff}.tag.purple{background:var(--soft-purple);color:var(--purple)}
    .section{padding:78px 0}.section-tight{padding:54px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section h2{font-size:clamp(29px,3.2vw,42px);line-height:1.25;margin:7px 0}.section-lead{max-width:610px;color:var(--muted);margin:0}
    .crumbs{font-size:13px;color:var(--muted);padding:23px 0 0}.crumbs a{color:var(--purple)}
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0 30px}.filter{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 14px;color:var(--muted);font-size:14px;cursor:pointer}.filter:hover,.filter.active{background:var(--soft-purple);border-color:#cfc2ff;color:var(--purple)}
    .news-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px;align-items:start}.spotlight{background:var(--night);color:#fff;border-radius:var(--radius);overflow:hidden;position:sticky;top:125px}.spotlight img{width:100%;height:245px;object-fit:cover;opacity:.78}.spotlight-body{padding:25px}.spotlight h3{font-size:26px;line-height:1.4;margin:13px 0}.spotlight p{color:rgba(255,255,255,.72);font-size:14px}.read-link{color:var(--mint);font-weight:700;font-size:14px}
    .news-list{display:grid;gap:12px}.news-row{padding:20px 23px;display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:start}.news-row:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.news-date{color:var(--purple);font-weight:750;font-size:14px}.news-row h3{font-size:19px;margin:0 0 5px;line-height:1.45}.news-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .more{display:flex;justify-content:center;margin-top:32px}.more a{border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 24px;font-weight:700}.more a:hover{background:var(--purple);color:#fff}
    .insight{background:var(--soft-mint);border-radius:var(--radius);padding:31px 35px;display:grid;grid-template-columns:1fr 1fr;gap:35px}.insight h3{font-size:24px;margin:0 0 10px}.insight p{margin:0;color:#4d6b64}.insight ul{margin:0;padding-left:20px;color:#38645b}.insight li{margin:6px 0}
    .subscribe{background:var(--soft-purple);border-radius:var(--radius);padding:31px;display:flex;justify-content:space-between;align-items:center;gap:25px}.subscribe h2{font-size:27px;margin:0 0 6px}.subscribe p{margin:0;color:var(--muted)}.subscribe-form{display:flex;gap:9px;min-width:390px}.subscribe-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fff}.subscribe-form button{border:0;border-radius:9px;padding:11px 17px;background:var(--purple);color:#fff;font-weight:700}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:40px}.faq-intro{background:var(--night);color:#fff;border-radius:var(--radius);padding:28px}.faq-intro p{color:rgba(255,255,255,.7);font-size:14px}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--purple);background:var(--soft-purple)}.accordion-body{color:var(--muted);font-size:14px}
    .cta{background:var(--coral);color:#fff;padding:52px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:34px;line-height:1.3;margin:0 0 7px}.cta p{margin:0;color:rgba(255,255,255,.82)}.cta .btn-main{background:var(--night)}.cta .btn-main:hover{background:#2b243d}
    footer{background:var(--night);color:#fff;padding:56px 0 23px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;max-width:290px;margin-top:18px}.footer-title{font-weight:750;margin-bottom:14px}.footer-links{display:grid;gap:8px;color:rgba(255,255,255,.62);font-size:14px}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:35px;padding-top:19px;color:rgba(255,255,255,.48);font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.hero-grid{gap:35px}}
    @media(max-width:992px){.main-nav{display:none}.navbar-toggler{display:block!important;margin-left:auto}.hero-grid,.news-layout,.faq-grid,.insight{grid-template-columns:1fr}.spotlight{position:static}.subscribe{display:block}.subscribe-form{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .btn-main{margin-top:20px}}
    @media(min-width:993px){.navbar-toggler{display:none!important}}
    @media(max-width:768px){.container{padding:0 18px}.nav-shell{min-height:70px}.page-hero{padding:48px 0 55px}.page-hero h1{font-size:42px}.section{padding:58px 0}.section-head{display:block}.section-head .section-lead{margin-top:12px}.news-row{grid-template-columns:78px 1fr}.news-row .tag{grid-column:2}.insight{padding:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
    @media(max-width:576px){.hero-actions a{width:100%}.brief-cover img{height:210px}.subscribe{padding:23px}.subscribe-form{min-width:0;display:block}.subscribe-form input,.subscribe-form button{width:100%;margin-bottom:9px}.footer-grid{grid-template-columns:1fr}.progress-inner{margin:0 -18px;padding:0 18px}.step{min-width:145px}}

/* roulang page: category7 */
:root{
      --ink:#201b2d;
      --muted:#756f82;
      --paper:#f7f5f1;
      --white:#fff;
      --night:#15121f;
      --night-soft:#242033;
      --purple:#6d45e8;
      --purple-dark:#5230bd;
      --coral:#ff7657;
      --mint:#46d6b0;
      --line:rgba(32,27,45,.12);
      --soft-purple:#eee9ff;
      --soft-coral:#fff0eb;
      --soft-mint:#e4faf3;
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 16px 45px rgba(32,27,45,.09);
      --shadow-small:0 8px 24px rgba(32,27,45,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
      font-size:16px;line-height:1.8;overflow-x:hidden
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,border-color .25s ease,box-shadow .25s ease}
    a:hover{color:var(--purple)}
    button,input,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(255,118,87,.45);outline-offset:3px
    }
    .container{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{
      position:sticky;top:0;z-index:1000;background:rgba(247,245,241,.92);
      backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s
    }
    .topbar.scrolled{background:rgba(255,255,255,.98);border-color:var(--line);box-shadow:0 5px 20px rgba(32,27,45,.05)}
    .nav-shell{min-height:82px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;white-space:nowrap}
    .brand:hover{color:var(--ink)}
    .brand-mark{width:37px;height:37px;border-radius:12px;background:var(--purple);position:relative;box-shadow:5px 5px 0 var(--coral);flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:18px;height:18px;left:9px;top:9px}
    .brand-mark:after{width:7px;height:7px;right:5px;top:5px;background:var(--mint);border:0}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:650;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--soft-purple)}
    .main-nav .nav-cta{background:var(--purple)!important;color:#fff!important;padding:11px 18px!important}
    .main-nav .nav-cta:hover{background:var(--purple-dark)!important;transform:translateY(-2px)}
    .mobile-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 11px;margin-left:auto}
    .progress-bar-wrap{background:#fff;border-bottom:1px solid var(--line)}
    .progress-nav{display:flex;align-items:center;gap:0;overflow-x:auto;padding:11px 0}
    .progress-step{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;font-weight:700;white-space:nowrap}
    .progress-step:after{content:"";width:50px;height:1px;background:var(--line);margin:0 13px}
    .progress-step:last-child:after{display:none}
    .progress-dot{width:19px;height:19px;border-radius:50%;border:2px solid rgba(109,69,232,.28);background:#fff;display:grid;place-items:center;font-size:10px;color:var(--purple)}
    .progress-step.done .progress-dot{background:var(--mint);border-color:var(--mint);color:#164e42}
    .progress-step.current{color:var(--purple)}
    .progress-step.current .progress-dot{background:var(--purple);border-color:var(--purple);color:#fff}
    .breadcrumb-wrap{padding:23px 0 0}
    .breadcrumb{margin:0;font-size:14px}
    .breadcrumb-item,.breadcrumb-item a{color:var(--muted)}
    .breadcrumb-item.active{color:var(--purple)}
    .breadcrumb-item+.breadcrumb-item:before{color:#a8a1b2}
    .guide-hero{padding:35px 0 76px;position:relative}
    .guide-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:18px;height:3px;border-radius:5px;background:var(--coral)}
    h1,h2,h3,h4{letter-spacing:-.025em}
    .guide-hero h1{font-size:clamp(40px,5vw,62px);line-height:1.16;margin:15px 0 21px;max-width:650px}
    .hero-copy{color:var(--muted);font-size:18px;line-height:1.9;max-width:650px;margin-bottom:26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn-main,.btn-ghost,.btn-coral{
      border:0;border-radius:10px;padding:12px 21px;font-weight:750;display:inline-flex;
      align-items:center;justify-content:center;gap:8px;cursor:pointer
    }
    .btn-main{background:var(--purple);color:#fff}
    .btn-main:hover{background:#845ff0;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(109,69,232,.22)}
    .btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .btn-ghost:hover{border-color:var(--purple);color:var(--purple);background:var(--soft-purple)}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-coral:hover{background:#ed6246;color:#fff;transform:translateY(-2px)}
    .hero-status{display:flex;gap:13px;flex-wrap:wrap;margin-top:27px}
    .status-pill{font-size:13px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--muted)}
    .status-pill b{color:var(--ink);margin-right:4px}
    .guide-cover{position:relative;min-height:420px}
    .guide-cover img{width:100%;height:420px;border-radius:var(--radius-lg);object-fit:cover;box-shadow:var(--shadow);filter:saturate(.9)}
    .cover-caption{position:absolute;right:-18px;bottom:-23px;width:min(280px,80%);background:var(--night);color:#fff;border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
    .cover-caption small{display:block;color:rgba(255,255,255,.62);font-size:12px;margin-bottom:4px}
    .cover-caption strong{font-size:19px;line-height:1.45;display:block}
    .section{padding:88px 0}
    .section-alt{background:#fff}
    .section-dark{background:var(--night);color:#fff}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section h2{font-size:clamp(29px,3.2vw,42px);line-height:1.25;margin:7px 0 0}
    .section-lead{max-width:570px;color:var(--muted);margin:0}
    .section-dark .section-lead{color:rgba(255,255,255,.7)}
    .directory-shell{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
    .directory-side{position:sticky;top:112px;background:var(--night);color:#fff;border-radius:var(--radius);padding:23px}
    .directory-side h3{font-size:18px;margin:0 0 13px}
    .directory-side p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.68);margin:0 0 18px}
    .directory-links{display:grid;gap:5px}
    .directory-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 11px;border-radius:9px;font-size:14px;color:rgba(255,255,255,.76)}
    .directory-links a:hover{background:rgba(255,255,255,.11);color:#fff}
    .directory-links i{font-style:normal;color:var(--mint)}
    .guide-categories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .guide-category{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-small);min-height:185px}
    .guide-category:hover{transform:translateY(-4px);border-color:rgba(109,69,232,.32);box-shadow:var(--shadow)}
    .icon-box{width:42px;height:42px;border-radius:13px;background:var(--soft-purple);color:var(--purple);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
    .guide-category:nth-child(2) .icon-box{background:var(--soft-coral);color:var(--coral)}
    .guide-category:nth-child(3) .icon-box{background:var(--soft-mint);color:#21856b}
    .guide-category h3{font-size:19px;margin:0 0 7px}
    .guide-category p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
    .note-banner{margin-top:18px;border:1px solid rgba(70,214,176,.42);background:var(--soft-mint);padding:18px 20px;border-radius:14px;display:flex;align-items:flex-start;gap:14px;color:#236756}
    .note-symbol{width:28px;height:28px;border-radius:50%;background:var(--mint);display:grid;place-items:center;font-weight:900;color:#164e42;flex:0 0 auto}
    .note-banner p{margin:0;font-size:14px;line-height:1.8}
    .journey-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:center}
    .journey-image{height:480px;border-radius:var(--radius-lg);overflow:hidden;position:relative}
    .journey-image img{height:100%;width:100%;object-fit:cover}
    .journey-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,18,31,.02),rgba(21,18,31,.57))}
    .image-note{position:absolute;z-index:1;left:22px;bottom:20px;color:#fff;right:22px}
    .image-note span{display:inline-block;background:var(--coral);font-size:12px;font-weight:800;padding:4px 10px;border-radius:6px;margin-bottom:9px}
    .image-note strong{display:block;font-size:20px;line-height:1.4}
    .journey-list{display:grid;gap:0}
    .journey-item{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:0 0 25px;position:relative}
    .journey-item:not(:last-child):before{content:"";position:absolute;left:20px;top:44px;width:1px;height:calc(100% - 11px);background:var(--line)}
    .journey-num{width:42px;height:42px;border-radius:50%;background:var(--soft-purple);color:var(--purple);display:grid;place-items:center;font-size:14px;font-weight:850;z-index:1}
    .journey-item:nth-child(2) .journey-num{background:var(--soft-coral);color:#d85135}
    .journey-item:nth-child(3) .journey-num{background:var(--soft-mint);color:#20876d}
    .journey-item h3{font-size:19px;margin:4px 0 4px}
    .journey-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .hint-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .hint-panel{border-radius:var(--radius-lg);padding:34px;background:var(--soft-purple)}
    .hint-panel h3{font-size:26px;line-height:1.35;margin:0 0 14px}
    .hint-panel p{color:#5d5680;margin:0 0 21px;max-width:600px}
    .check-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.75}
    .check{width:21px;height:21px;display:grid;place-items:center;background:var(--mint);color:#17584a;border-radius:50%;font-size:12px;font-weight:900;flex:0 0 auto;margin-top:2px}
    .mini-card{background:var(--night);border-radius:var(--radius-lg);padding:32px;color:#fff;position:relative;overflow:hidden}
    .mini-card:after{content:"?";position:absolute;right:18px;bottom:-48px;font-size:210px;line-height:1;font-weight:900;color:rgba(255,255,255,.06)}
    .mini-card h3{font-size:25px;line-height:1.35;margin:0 0 12px;position:relative}
    .mini-card p{color:rgba(255,255,255,.7);font-size:14px;position:relative;margin-bottom:22px}
    .mini-card .tag{position:relative}
    .faq-layout{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
    .faq-intro{padding:26px;border-radius:var(--radius);background:var(--soft-coral)}
    .faq-intro h3{font-size:22px;line-height:1.4;margin:0 0 10px}
    .faq-intro p{font-size:14px;color:#875d56;margin:0 0 18px}
    .faq-intro a{font-weight:800;color:#c84f36}
    .accordion{--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;background:#fff;margin-bottom:12px;box-shadow:0 5px 15px rgba(32,27,45,.035)}
    .accordion-button{padding:19px 21px;background:#fff;color:var(--ink);font-size:16px;font-weight:800;line-height:1.45}
    .accordion-button:not(.collapsed){background:var(--soft-purple);color:var(--purple);box-shadow:none}
    .accordion-button:after{background-size:1rem}
    .accordion-body{padding:2px 21px 21px;color:var(--muted);font-size:14px;line-height:1.9;background:#fff}
    .activity-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .info-tile{border-radius:var(--radius);padding:25px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-small)}
    .info-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .info-tile .tile-number{font-size:13px;font-weight:850;color:var(--coral);letter-spacing:.08em}
    .info-tile h3{font-size:20px;margin:10px 0 7px}
    .info-tile p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .tag{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--mint);color:#164e42;font-size:12px;font-weight:800}
    .tag.purple{background:var(--soft-purple);color:var(--purple)}
    .tag.hot{background:var(--coral);color:#fff}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .related-feature{min-height:290px;border-radius:var(--radius-lg);overflow:hidden;position:relative;color:#fff}
    .related-feature img{height:100%;width:100%;object-fit:cover}
    .related-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,18,31,.82),rgba(21,18,31,.18))}
    .related-copy{position:absolute;z-index:1;left:30px;bottom:29px;right:30px}
    .related-copy h3{font-size:28px;margin:10px 0 8px}
    .related-copy p{color:rgba(255,255,255,.75);font-size:14px;max-width:470px;margin:0 0 16px}
    .related-stack{display:grid;gap:16px}
    .related-link{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow-small)}
    .related-link:hover{transform:translateX(4px);border-color:rgba(109,69,232,.36)}
    .related-link h4{font-size:17px;margin:0 0 3px}
    .related-link p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .related-arrow{font-size:24px;color:var(--purple)}
    .cta-panel{background:var(--night);border-radius:var(--radius-lg);padding:52px 56px;position:relative;overflow:hidden}
    .cta-panel:before{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(70,214,176,.28);border-radius:50%;right:-70px;top:-150px}
    .cta-panel:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,118,87,.15);left:48%;bottom:-118px}
    .cta-content{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:30px}
    .cta-content h2{color:#fff;max-width:680px;margin:8px 0 0}
    .cta-content p{color:rgba(255,255,255,.7);max-width:660px;margin:16px 0 0}
    footer{background:#100e17;color:#fff;padding:60px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    footer .brand{color:#fff}
    .footer-brand p{max-width:310px;color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;margin:18px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin:5px 0 15px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a,.footer-links span{color:rgba(255,255,255,.62);font-size:13px;line-height:1.65}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.48);font-size:12px}
    @media (max-width:1199px){
      .nav-shell{gap:16px}.main-nav a{padding:8px 8px;font-size:13px}
      .guide-hero-grid{gap:35px}.directory-shell{grid-template-columns:245px 1fr}
    }
    @media (max-width:991px){
      .nav-shell{min-height:72px}.mobile-toggle{display:block}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:72px;margin:0;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);align-items:stretch}
      .main-nav.show{display:flex;flex-direction:column}
      .main-nav a{padding:11px 13px;width:100%}
      .main-nav .nav-cta{text-align:center;margin-top:4px}
      .guide-hero-grid,.journey-grid,.faq-layout{grid-template-columns:1fr}
      .guide-cover{max-width:650px;width:100%;margin:auto}.directory-shell{grid-template-columns:1fr}
      .directory-side{position:static}.directory-links{grid-template-columns:repeat(2,1fr)}
      .hint-grid,.related-grid{grid-template-columns:1fr}.activity-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-brand{grid-column:span 3}
    }
    @media (max-width:767px){
      .container{padding-left:18px;padding-right:18px}.progress-step:after{width:25px;margin:0 9px}
      .progress-nav{padding:9px 0}.guide-hero{padding:25px 0 60px}.hero-copy{font-size:16px}
      .guide-cover,.guide-cover img{min-height:330px;height:330px}.cover-caption{right:12px;bottom:-14px}
      .section{padding:64px 0}.section-head{display:block;margin-bottom:27px}.section-lead{margin-top:14px}
      .guide-categories{grid-template-columns:1fr}.directory-links{grid-template-columns:1fr}
      .journey-image{height:360px}.hint-panel,.mini-card{padding:27px}.faq-intro{padding:23px}
      .cta-panel{padding:37px 27px}.cta-content{display:block}.cta-content .btn-coral{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:span 2}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media (max-width:575px){
      .brand{font-size:19px}.brand-mark{width:33px;height:33px}.brand-mark:before{left:8px;top:8px;width:17px;height:17px}
      .progress-step{font-size:12px}.progress-step:nth-child(3),.progress-step:nth-child(4){display:none}
      .guide-hero h1{font-size:38px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}
      .status-pill{font-size:12px}.guide-cover,.guide-cover img{height:280px;min-height:280px}.cover-caption{padding:15px;width:78%}
      .journey-item{grid-template-columns:48px 1fr;gap:12px}.journey-item h3{font-size:18px}
      .activity-grid{grid-template-columns:1fr}.related-copy{left:22px;bottom:22px;right:22px}.related-copy h3{font-size:24px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }