/* roulang page: index */
:root{
      --plum:#5c214d;--plum-deep:#32142f;--berry:#b64068;--coral:#ed806e;
      --cream:#fffaf7;--mist:#f6eff1;--ink:#2e2430;--muted:#766b76;--line:#eadfe4;
      --green:#3e7668;--radius:26px;--shadow:0 18px 50px rgba(75,31,62,.10);--max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(75,31,62,.05);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em;color:var(--plum);white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--plum),var(--coral));display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 8px 18px rgba(182,64,104,.22)}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:10px}
    .nav-links a{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:#f8e9ee;color:var(--plum)}
    .nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
    .search{height:42px;width:190px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:0 13px;color:var(--ink);outline:0}
    .search:focus{border-color:var(--berry);box-shadow:0 0 0 4px rgba(182,64,104,.12)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:14px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{color:#fff;background:linear-gradient(110deg,var(--plum),var(--berry));box-shadow:0 10px 22px rgba(92,33,77,.19)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.1);box-shadow:0 14px 27px rgba(92,33,77,.25)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{color:var(--plum);background:#fff;border-color:#d9c6cf}
    .btn-secondary:hover{border-color:var(--berry);background:#fff5f7}
    .btn:focus-visible,.nav-links a:focus-visible,.filter:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(237,128,110,.5);outline-offset:3px}
    .menu-btn{display:none;border:0;background:transparent;color:var(--plum);font-size:24px}
    .hero{padding:68px 0 58px;background:radial-gradient(circle at 84% 14%,#f9dfe4 0,transparent 29%),linear-gradient(180deg,#fffaf7,#f9f0f2)}
    .hero-grid{display:grid;grid-template-columns:1fr 1.03fr;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--berry);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--coral)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.065em;margin:18px 0 22px;color:var(--plum-deep)}
    .hero-copy{font-size:17px;color:var(--muted);max-width:590px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 23px}
    .notice{display:flex;gap:9px;align-items:center;color:#6b5962;font-size:13px}
    .notice b{background:#f6e4e9;color:var(--berry);padding:3px 8px;border-radius:8px}
    .matrix{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:150px 150px;gap:14px;position:relative}
    .tile{border:1px solid rgba(255,255,255,.75);border-radius:24px;position:relative;overflow:hidden;padding:22px;color:#fff;box-shadow:var(--shadow)}
    .tile:after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,transparent 25%,rgba(255,255,255,.17));pointer-events:none}
    .tile-main{grid-row:span 2;background:linear-gradient(145deg,#54224c,#b64068 60%,#f0927c)}
    .tile-soft{background:linear-gradient(145deg,#d36d76,#f5a582)}
    .tile-dark{background:linear-gradient(145deg,#33213e,#72506d)}
    .tile small{opacity:.8;font-size:12px}.tile strong{display:block;font-size:22px;line-height:1.3;margin-top:10px}
    .mini-badge{position:absolute;right:18px;bottom:17px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:5px 10px;font-size:12px}
    .section{padding:88px 0}.section.mist{background:var(--mist)}
    .section-head{max-width:650px;margin-bottom:34px}.section-kicker{font-size:13px;font-weight:800;color:var(--berry);letter-spacing:.1em}.section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.045em;color:var(--plum-deep);margin:10px 0 12px}.section-head p{margin:0;color:var(--muted)}
    .benefit-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.benefit-large,.benefit-small{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:30px;transition:.25s;box-shadow:0 8px 25px rgba(75,31,62,.04)}.benefit-large{min-height:240px;background:linear-gradient(135deg,#fff,#f8e7eb)}.benefit-large:hover,.benefit-small:hover,.content-card:hover{transform:translateY(-4px);border-color:#d59aac;box-shadow:var(--shadow)}.benefit-side{display:grid;gap:18px}.number{font-size:13px;color:var(--berry);font-weight:900;letter-spacing:.12em}.benefit h3{font-size:23px;margin:17px 0 9px;color:var(--plum)}.benefit p{color:var(--muted);font-size:14px;margin:0}.benefit-icon{font-size:31px;margin-top:20px}
    .demo{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:stretch}.preview{background:var(--plum-deep);border-radius:var(--radius);padding:28px;color:#fff;min-height:370px;position:relative;overflow:hidden}.preview:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(237,128,110,.22);right:-80px;top:-80px}.preview-top{display:flex;justify-content:space-between;align-items:center;color:#e9cbd4;font-size:13px}.preview h3{position:relative;font-size:28px;line-height:1.3;margin:58px 0 16px;max-width:300px}.preview p{position:relative;color:#decfd7;font-size:14px}.preview-tags{display:flex;gap:8px;flex-wrap:wrap;position:absolute;bottom:28px}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#f6e8ec;color:var(--plum);font-size:12px;font-weight:700}.tag.dark{background:rgba(255,255,255,.12);color:#fff}
    .steps{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px}.fake-search{display:flex;gap:8px;margin-bottom:20px}.fake-search input{flex:1;border:1px solid var(--line);border-radius:12px;padding:11px 13px;background:#fcf8f9;outline:0}.fake-search button{border:0;border-radius:12px;background:#f7e5ea;color:var(--plum);padding:0 16px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:6px 12px;border-radius:999px;font-size:12px}.filter.active,.filter:hover{background:var(--plum);border-color:var(--plum);color:#fff}.step{display:grid;grid-template-columns:36px 1fr;gap:13px;padding:17px 0;border-top:1px solid #f0e7ea}.step:first-of-type{border-top:0}.step-num{width:30px;height:30px;border-radius:10px;background:#f8e6eb;color:var(--berry);display:grid;place-items:center;font-size:12px;font-weight:800}.step h4{margin:0 0 3px;color:var(--plum);font-size:16px}.step p{margin:0;color:var(--muted);font-size:13px}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--line)}.stat{background:#fff;padding:25px 20px}.stat strong{display:block;font-size:30px;color:var(--plum);line-height:1.1}.stat span{color:var(--muted);font-size:13px}
    .topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.content-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;transition:.25s}.cover{width:128px;min-width:128px;height:100px;border-radius:15px;background:linear-gradient(135deg,#6b2b58,#ed806e);position:relative;overflow:hidden}.cover.alt{background:linear-gradient(135deg,#47304d,#c87591)}.cover:after{content:"";position:absolute;width:70px;height:70px;border:1px solid rgba(255,255,255,.5);border-radius:50%;right:-15px;bottom:-18px}.content-card h3{font-size:17px;line-height:1.4;margin:4px 0 7px;color:var(--plum)}.content-card p{font-size:13px;color:var(--muted);margin:0}.meta{display:flex;gap:10px;color:#9a8790;font-size:12px;margin-top:9px}
    .security{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:center}.security-box{background:linear-gradient(135deg,#4b2450,#7b416c);border-radius:var(--radius);padding:35px;color:#fff;min-height:225px}.shield{font-size:37px}.security-box h3{font-size:25px;margin:12px 0 7px}.security-box p{color:#e7d5df;font-size:14px}.guard-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.guard{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px}.guard b{display:block;color:var(--plum);margin-bottom:5px}.guard span{font-size:13px;color:var(--muted)}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}.faq{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:transparent;padding:20px 0;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--plum);font-weight:800}.faq-q span:last-child{font-size:21px;color:var(--berry)}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq.open .faq-a{display:block}
    .cta{margin:0 auto 88px;max-width:var(--max);width:calc(100% - 40px);border-radius:30px;background:linear-gradient(110deg,#f8dfe5,#fff0e8);padding:44px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 8px;color:var(--plum-deep);font-size:31px}.cta p{margin:0;color:var(--muted);font-size:14px}
    footer{background:#32142f;color:#eadbe2;padding:58px 0 100px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}.footer-logo{color:#fff;font-size:19px}.footer-copy{font-size:13px;color:#bdaab5;max-width:310px;margin-top:16px}.footer h4{margin:0 0 13px;color:#fff;font-size:14px}.footer a{display:block;color:#bdaab5;font-size:13px;margin:8px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;color:#a58f9d;font-size:12px}
    .sticky-cta{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));z-index:15;background:rgba(50,20,47,.95);color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:11px 14px 11px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:0 14px 35px rgba(35,12,31,.24);backdrop-filter:blur(14px)}.sticky-cta small{color:#e8cfd9}.sticky-cta .btn{min-height:38px;padding:0 15px}
    @media(max-width:900px){.nav{gap:14px}.nav-links{gap:0}.search{width:150px}.hero-grid,.demo,.security{grid-template-columns:1fr;gap:35px}.matrix{max-width:650px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.benefit-layout{grid-template-columns:1fr}.benefit-side{grid-template-columns:1fr 1fr}}
    @media(max-width:680px){.container{width:min(var(--max),calc(100% - 28px))}.nav{height:66px}.logo{font-size:14px}.logo-mark{width:30px;height:30px}.nav-links,.nav-tools .search,.nav-tools .btn{display:none}.menu-btn{display:block;margin-left:auto}.nav-tools{margin-left:0}.hero{padding:48px 0}.hero-copy{font-size:15px}.hero-actions .btn{flex:1}.matrix{grid-template-rows:125px 125px;gap:10px}.tile{padding:16px;border-radius:18px}.tile strong{font-size:17px}.section{padding:58px 0}.benefit-side,.topic-grid,.guard-list{grid-template-columns:1fr}.benefit-large,.benefit-small{padding:23px}.data-strip{grid-template-columns:1fr 1fr}.stat{padding:18px 14px}.stat strong{font-size:24px}.content-card{padding:12px;gap:12px}.cover{width:92px;min-width:92px;height:82px}.content-card h3{font-size:15px}.cta{width:calc(100% - 28px);margin-bottom:58px;padding:30px 23px;display:block}.cta .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}.sticky-cta{bottom:10px;padding-left:14px}.sticky-cta small{font-size:11px}.sticky-cta .btn{font-size:12px}.steps{padding:20px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --plum:#5c214d;--plum-deep:#32142f;--berry:#b64068;--coral:#ed806e;
      --cream:#fffaf7;--mist:#f6eff1;--ink:#2e2430;--muted:#766b76;--line:#eadfe4;
      --green:#3e7668;--radius:26px;--shadow:0 18px 50px rgba(75,31,62,.10);--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .topbar{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(75,31,62,.05);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em;color:var(--plum);white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--plum),var(--coral));display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 8px 18px rgba(182,64,104,.22)}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:10px}
    .nav-links a{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:#f8e9ee;color:var(--plum)}
    .nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
    .search{height:42px;width:190px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:0 13px;color:var(--ink);outline:0}
    .search:focus{border-color:var(--berry);box-shadow:0 0 0 4px rgba(182,64,104,.12)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:14px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{color:#fff;background:linear-gradient(110deg,var(--plum),var(--berry));box-shadow:0 10px 22px rgba(92,33,77,.19)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.1);box-shadow:0 14px 27px rgba(92,33,77,.25)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{color:var(--plum);background:#fff;border-color:#d9c6cf}
    .btn-secondary:hover{border-color:var(--berry);background:#fff5f7}
    .btn:focus-visible,.nav-links a:focus-visible,.filter:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(237,128,110,.5);outline-offset:3px}
    .menu-btn{display:none;border:0;background:transparent;color:var(--plum);font-size:24px}
    .page-hero{padding:60px 0 48px;background:radial-gradient(circle at 88% 5%,#f9dfe4 0,transparent 28%),linear-gradient(180deg,#fffaf7,#f9f0f2)}
    .breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:22px}
    .breadcrumbs a{color:var(--berry)}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.055em;color:var(--plum-deep);margin:0 0 18px}
    .hero-intro{max-width:720px;color:var(--muted);font-size:17px;margin:0}
    .hero-row{display:flex;justify-content:space-between;align-items:end;gap:32px}
    .stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 16px;min-width:120px}
    .stat strong{display:block;color:var(--plum);font-size:23px;line-height:1.1}
    .stat span{color:var(--muted);font-size:12px}
    .section{padding:78px 0}
    .section.mist{background:var(--mist)}
    .section-head{max-width:680px;margin-bottom:30px}
    .section-kicker{font-size:13px;font-weight:800;color:var(--berry);letter-spacing:.1em}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.045em;color:var(--plum-deep);margin:10px 0 12px}
    .section-head p{margin:0;color:var(--muted)}
    .toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:25px}
    .filter{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:9px 15px;font-size:13px;transition:.2s}
    .filter:hover,.filter.active{background:#f8e9ee;border-color:#d9a5b5;color:var(--plum)}
    .topic-feature{display:grid;grid-template-columns:1.15fr .85fr;min-height:300px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#4b1d46,#a83e68 65%,#ee8976);color:#fff;box-shadow:var(--shadow);margin-bottom:28px}
    .feature-copy{padding:42px}
    .feature-copy h2{color:#fff;margin-top:14px;max-width:540px}
    .feature-copy p{color:#f6dce3;max-width:520px}
    .feature-art{position:relative;min-height:280px;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.3),transparent 16%),linear-gradient(145deg,rgba(255,255,255,.12),transparent 50%)}
    .art-card{position:absolute;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border-radius:20px;padding:18px;color:#fff}
    .art-card.one{width:190px;left:16%;top:18%;transform:rotate(-7deg)}
    .art-card.two{width:170px;right:12%;bottom:18%;transform:rotate(7deg)}
    .art-line{height:8px;border-radius:8px;background:rgba(255,255,255,.55);margin:10px 0}
    .art-line.short{width:58%}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .content-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;transition:.25s}
    .content-card:hover{transform:translateY(-4px);border-color:#d59aac;box-shadow:var(--shadow)}
    .content-card h3{font-size:18px;line-height:1.4;margin:3px 0 7px;color:var(--plum)}
    .content-card p{font-size:13px;color:var(--muted);margin:0}
    .cover{width:148px;min-width:148px;height:108px;border-radius:15px;background:linear-gradient(135deg,#6c285a,#e48278);position:relative;overflow:hidden}
    .cover:after{content:"";position:absolute;width:90px;height:90px;border:1px solid rgba(255,255,255,.35);border-radius:50%;right:-20px;bottom:-25px}
    .cover.alt{background:linear-gradient(135deg,#47386a,#d15d83)}
    .cover.soft{background:linear-gradient(135deg,#b85e62,#f0ad82)}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#f6e8ec;color:var(--plum);font-size:12px;font-weight:700}
    .tag.green{background:#e5f0ed;color:var(--green)}
    .meta{display:flex;gap:10px;color:#9a8790;font-size:12px;margin-top:10px}
    .side-note{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}
    .side-note h3{color:var(--plum);margin:0 0 13px}
    .side-note ul{list-style:none;padding:0;margin:0}
    .side-note li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px;color:var(--muted)}
    .side-note li:last-child{border:0}
    .side-note b{color:var(--berry)}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}
    .faq{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;border:0;background:transparent;padding:20px 0;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--plum);font-weight:800}
    .faq-q span:last-child{font-size:21px;color:var(--berry)}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
    .faq.open .faq-a{display:block}
    .cta{margin:0 auto 78px;max-width:var(--max);width:calc(100% - 40px);border-radius:30px;background:linear-gradient(110deg,#f8dfe5,#fff0e8);padding:44px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{margin:0 0 8px;color:var(--plum-deep);font-size:31px}
    .cta p{margin:0;color:var(--muted);font-size:14px}
    footer{background:#32142f;color:#eadbe2;padding:58px 0 100px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{color:#fff;font-size:19px}
    .footer-copy{font-size:13px;color:#bdaab5;max-width:310px;margin-top:16px}
    footer h4{margin:0 0 13px;color:#fff;font-size:14px}
    footer a{display:block;color:#bdaab5;font-size:13px;margin:8px 0}
    footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;color:#a58f9d;font-size:12px}
    .sticky-cta{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));z-index:15;background:rgba(50,20,47,.95);color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:11px 14px 11px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 15px 35px rgba(50,20,47,.25)}
    .sticky-cta small{color:#e9cbd7}
    @media(max-width:900px){.nav{gap:14px}.nav-links{margin-left:0}.search{width:150px}.topic-feature{grid-template-columns:1fr}.feature-art{min-height:220px}.topic-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:680px){.container{width:min(var(--max),calc(100% - 28px))}.nav{height:66px}.logo{font-size:14px}.nav-links,.nav-tools .search{display:none}.nav-tools{margin-left:auto}.menu-btn{display:block}.page-hero{padding:42px 0 36px}.hero-row{display:block}.hero-intro{font-size:15px}.stats{margin-top:22px}.section{padding:58px 0}.topic-feature{border-radius:22px}.feature-copy{padding:28px}.feature-art{min-height:190px}.art-card.one{left:8%;top:15%;width:155px}.art-card.two{right:7%;bottom:12%;width:145px}.content-card{gap:12px;padding:12px}.cover{width:105px;min-width:105px;height:92px}.content-card h3{font-size:16px}.meta{font-size:11px;gap:6px}.cta{display:block;padding:30px 24px;margin-bottom:55px}.cta h2{font-size:25px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}.sticky-cta{bottom:10px;padding:9px 10px 9px 14px}.sticky-cta small{font-size:11px}.sticky-cta .btn{min-height:38px;padding:0 13px;font-size:12px}}
    @media(max-width:390px){.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.sticky-cta small{max-width:145px}.cover{width:88px;min-width:88px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
 --plum:#5c214d;--plum-deep:#32142f;--berry:#b64068;--coral:#ed806e;
 --cream:#fffaf7;--mist:#f6eff1;--ink:#2e2430;--muted:#766b76;--line:#eadfe4;
 --green:#3e7668;--warning:#b56b39;--radius:26px;
 --shadow:0 18px 50px rgba(75,31,62,.10);--max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
a{text-decoration:none;color:inherit;transition:.25s ease}
img,svg{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(75,31,62,.05);position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em;color:var(--plum);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--plum),var(--coral));display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 8px 18px rgba(182,64,104,.22)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:10px}
.nav-links a{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px}
.nav-links a:hover,.nav-links a.active{background:#f8e9ee;color:var(--plum)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search{height:42px;width:190px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:0 13px;color:var(--ink);outline:0}
.search::placeholder{color:#a898a1}
.search:focus{border-color:var(--berry);box-shadow:0 0 0 4px rgba(182,64,104,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:14px;font-weight:700;font-size:14px;transition:.25s ease}
.btn-primary{color:#fff;background:linear-gradient(110deg,var(--plum),var(--berry));box-shadow:0 10px 22px rgba(92,33,77,.19)}
.btn-primary:hover{transform:translateY(-2px);filter:saturate(1.1);box-shadow:0 14px 27px rgba(92,33,77,.25)}
.btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
.btn-secondary{color:var(--plum);background:#fff;border-color:#d9c6cf}
.btn-secondary:hover{border-color:var(--berry);background:#fff5f7}
.btn:focus-visible,.nav-links a:focus-visible,.filter:focus-visible,.faq-q:focus-visible,.menu-btn:focus-visible{outline:3px solid rgba(237,128,110,.5);outline-offset:3px}
.menu-btn{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;min-width:42px;min-height:42px}
.mobile-panel{display:none}
.page-hero{padding:58px 0 48px;background:radial-gradient(circle at 88% 0,#f9dfe4 0,transparent 30%),linear-gradient(180deg,#fffaf7,#f9f0f2)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:#9a8790;font-size:13px;margin-bottom:24px}
.breadcrumb a:hover{color:var(--berry)}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:end}
.eyebrow,.section-kicker{font-size:13px;font-weight:800;color:var(--berry);letter-spacing:.1em}
.page-title{font-size:clamp(34px,5vw,62px);line-height:1.13;letter-spacing:-.055em;color:var(--plum-deep);margin:10px 0 16px}
.lead{font-size:17px;color:var(--muted);max-width:680px;margin:0}
.hero-note{display:flex;gap:10px;align-items:center;margin-top:24px;color:var(--green);font-size:13px}
.hero-note span{width:9px;height:9px;border-radius:50%;background:#6ca898;box-shadow:0 0 0 5px #dcece8}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 9px 26px rgba(75,31,62,.06)}
.stat strong{display:block;color:var(--plum);font-size:28px;line-height:1.1}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.section{padding:76px 0}
.section.mist{background:var(--mist)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;align-items:start}
.toolbar{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
.toolbar-search{height:44px;flex:1;min-width:180px;border:1px solid var(--line);border-radius:13px;padding:0 14px;outline:0;background:#fffafc}
.toolbar-search:focus{border-color:var(--berry);box-shadow:0 0 0 4px rgba(182,64,104,.1)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.filter,.tag{display:inline-flex;align-items:center;border:1px solid transparent;padding:6px 11px;border-radius:999px;background:#f6e8ec;color:var(--plum);font-size:12px;font-weight:700;transition:.2s}
.filter:hover,.filter.active{background:var(--plum);color:#fff}
.filter:disabled{opacity:.45;cursor:not-allowed}
.result-count{font-size:13px;color:var(--muted);white-space:nowrap}
.flow-list{display:flex;flex-direction:column;gap:14px}
.flow-item{display:grid;grid-template-columns:154px minmax(0,1fr) auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;transition:.25s}
.flow-item:hover{transform:translateY(-3px);border-color:#d59aac;box-shadow:var(--shadow)}
.cover{height:112px;border-radius:16px;position:relative;overflow:hidden;background:linear-gradient(145deg,#54224c,#b64068 60%,#f0927c)}
.cover.two{background:linear-gradient(145deg,#382947,#846195 52%,#e7a08d)}
.cover.three{background:linear-gradient(145deg,#71354e,#d17673 55%,#f5c38c)}
.cover.four{background:linear-gradient(145deg,#313d58,#86729e 55%,#e9a09e)}
.cover:before{content:"";position:absolute;inset:15px 22px;border:1px solid rgba(255,255,255,.35);border-radius:12px;transform:rotate(-7deg)}
.cover:after{content:"97";position:absolute;right:14px;bottom:8px;color:rgba(255,255,255,.8);font-weight:900;font-size:26px}
.cover-label{position:absolute;left:12px;top:10px;color:#fff;background:rgba(50,20,47,.35);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:3px 8px;font-size:11px}
.item-body h3{font-size:19px;line-height:1.35;color:var(--plum);margin:7px 0 6px}
.item-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.meta{display:flex;gap:12px;flex-wrap:wrap;color:#9a8790;font-size:12px;margin-top:10px}
.item-action{display:flex;flex-direction:column;align-items:flex-end;gap:9px}
.item-action .btn{min-height:38px;padding:0 14px;font-size:13px}
.hot-panel{background:#32142f;color:#eadbe2;border-radius:24px;padding:23px;position:sticky;top:98px}
.hot-panel h2{font-size:21px;color:#fff;margin:0 0 18px}
.hot-list{list-style:none;padding:0;margin:0}
.hot-list li{border-top:1px solid rgba(255,255,255,.13);padding:14px 0;display:flex;gap:12px;align-items:flex-start}
.hot-list b{font-size:13px;color:#f0927c;width:22px}
.hot-list a{font-size:13px;color:#f2e4e9;line-height:1.5}
.hot-list a:hover{color:#fff}
.side-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.side-tags .tag{background:rgba(255,255,255,.1);color:#f5dbe2}
.side-data{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.side-data div{background:rgba(255,255,255,.08);border-radius:14px;padding:12px}
.side-data strong{display:block;color:#fff;font-size:20px}
.side-data span{font-size:11px;color:#c4aeb9}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:28px}
.page-number{width:40px;height:40px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:12px;display:grid;place-items:center;font-size:13px}
.page-number:hover,.page-number.current{background:var(--plum);color:#fff;border-color:var(--plum)}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq{border-bottom:1px solid var(--line)}
.faq-q{width:100%;border:0;background:transparent;padding:20px 0;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--plum);font-weight:800}
.faq-q span:last-child{font-size:21px;color:var(--berry)}
.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
.faq.open .faq-a{display:block}
.cta{margin:0 auto 88px;max-width:var(--max);width:calc(100% - 40px);border-radius:30px;background:linear-gradient(110deg,#f8dfe5,#fff0e8);padding:44px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta h2{margin:0 0 8px;color:var(--plum-deep);font-size:31px}
.cta p{margin:0;color:var(--muted);font-size:14px}
footer{background:#32142f;color:#eadbe2;padding:58px 0 100px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
.footer-logo{color:#fff;font-size:19px}
.footer-copy{font-size:13px;color:#bdaab5;max-width:310px;margin-top:16px}
.footer h4{margin:0 0 13px;color:#fff;font-size:14px}
.footer a{display:block;color:#bdaab5;font-size:13px;margin:8px 0}
.footer a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;color:#a58f9d;font-size:12px}
.sticky-cta{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));z-index:15;background:rgba(50,20,47,.95);color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:11px 14px 11px 20px;display:flex;align-items:center;justify-content:space-between;gap:15px;box-shadow:0 15px 35px rgba(50,20,47,.25)}
.sticky-cta small{color:#eadbe2;font-size:13px}
.sticky-cta .btn{min-height:38px;background:#f0927c;color:#32142f;padding:0 15px}
.notice{padding:13px 16px;border-radius:15px;background:#fff5e9;color:#845a3c;border:1px solid #f0d7bd;font-size:13px;margin-top:18px}
@media(max-width:1023px){
 .nav{gap:15px}.nav-links{margin-left:0}.search{width:145px}
 .page-hero-grid{gap:28px}.content-layout{grid-template-columns:minmax(0,1fr) 270px}
 .flow-item{grid-template-columns:125px minmax(0,1fr)}.item-action{grid-column:2;flex-direction:row;justify-content:flex-start;align-items:center}
}
@media(max-width:767px){
 .container{width:min(var(--max),calc(100% - 28px))}
 .nav{height:68px}.logo{font-size:14px}.logo-mark{width:31px;height:31px}
 .nav-links,.nav-tools .search,.nav-tools .btn{display:none}.nav-tools{margin-left:auto}.menu-btn{display:block}
 .mobile-panel{position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 15px 24px rgba(75,31,62,.1);padding:12px 14px}
 .mobile-panel.show{display:block}.mobile-panel a{display:block;padding:12px;border-radius:12px;color:var(--muted)}.mobile-panel a:hover{background:#f8e9ee;color:var(--plum)}
 .page-hero{padding:39px 0 35px}.page-hero-grid{grid-template-columns:1fr;gap:27px}.page-title{font-size:39px}
 .stats{grid-template-columns:repeat(2,1fr)}.stat{padding:15px}.stat strong{font-size:24px}
 .section{padding:55px 0}.content-layout{grid-template-columns:1fr}.hot-panel{position:static}
 .toolbar{align-items:stretch;flex-direction:column}.toolbar-search{width:100%}
 .flow-item{grid-template-columns:92px minmax(0,1fr);gap:13px;padding:11px}.cover{height:90px}.item-body h3{font-size:16px}.item-body p{font-size:12px}
 .item-action{grid-column:2}.item-action .btn{min-height:36px}
 .cta{width:calc(100% - 28px);margin-bottom:55px;padding:30px 23px;display:block}.cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
 .sticky-cta{bottom:10px;padding:9px 10px 9px 14px}.sticky-cta small{font-size:12px}.sticky-cta .btn{font-size:12px;padding:0 12px}
}
@media(max-width:420px){
 .page-title{font-size:34px}.flow-item{grid-template-columns:1fr}.cover{height:120px}.item-action{grid-column:1}.footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}.sticky-cta small{max-width:165px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}