/* roulang page: index */
:root{
            --ink:#171519;--ink-2:#211e23;--panel:#29242b;--panel-2:#302a33;
            --plum:#73516f;--plum-soft:#a9819f;--coral:#e8755f;--coral-dark:#c95748;
            --cream:#f5eee8;--muted:#b9afb8;--line:rgba(245,238,232,.13);
            --green:#82b69a;--yellow:#d9b878;--radius:10px;--shadow:0 16px 36px rgba(0,0,0,.22);
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--ink);color:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
        a{color:inherit;text-decoration:none;transition:.22s ease}
        a:hover{color:var(--coral)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container{max-width:1220px;padding-left:22px;padding-right:22px}
        .site-header{height:78px;background:#121114;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .navbar{height:78px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#211519;font-size:18px}
        .brand-text{font-size:15px}.brand-text strong{display:block;font-size:16px}.brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em}
        .nav-link{color:var(--muted);font-size:14px;padding:27px 15px!important;position:relative}
        .nav-link:hover,.nav-link.active{color:var(--cream)}
        .nav-link.active:after{content:"";height:2px;background:var(--coral);position:absolute;left:15px;right:15px;bottom:17px}
        .nav-search{width:190px;height:38px;border:1px solid var(--line);background:var(--ink-2);border-radius:7px;display:flex;align-items:center;padding:0 11px;gap:8px;color:var(--muted)}
        .nav-search input{width:100%;border:0;outline:0;background:transparent;color:var(--cream);font-size:13px}
        .nav-search input::placeholder{color:#817780}
        .btn{border-radius:7px;font-weight:700;padding:10px 17px;font-size:14px;transition:.22s ease}
        .btn-main{background:var(--coral);border:1px solid var(--coral);color:#241619}
        .btn-main:hover{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);color:var(--cream);background:transparent}
        .btn-outline:hover{border-color:var(--plum-soft);background:var(--panel);color:var(--cream)}
        .btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{outline:3px solid rgba(232,117,95,.45);outline-offset:3px}
        .hero{min-height:560px;padding:70px 0 55px;position:relative;overflow:hidden;background:#1b181d}
        .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,21,25,.96) 0%,rgba(23,21,25,.78) 42%,rgba(23,21,25,.28) 100%),url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1800&q=85") center/cover}
        .hero .container{position:relative}
        .eyebrow,.kicker{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
        h1{font-size:clamp(38px,5vw,70px);line-height:1.14;letter-spacing:-.055em;margin:16px 0 20px;max-width:760px}
        .hero-copy{font-size:17px;color:#d1c6cd;max-width:650px;line-height:1.85}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 32px}
        .hero-facts{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;max-width:700px}
        .fact strong{font-size:23px;display:block}.fact span{font-size:12px;color:var(--muted)}
        .age-note{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;margin-top:16px}
        .section{padding:92px 0;border-bottom:1px solid var(--line)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
        .section h2{font-size:32px;letter-spacing:-.04em;margin:7px 0 10px}.section-intro{color:var(--muted);max-width:570px;margin:0}
        .text-link{color:var(--coral);font-size:14px;white-space:nowrap}.text-link i{margin-left:5px}
        .service-grid{display:grid;grid-template-columns:1.05fr 1.95fr;gap:28px}
        .service-lead{background:var(--panel);padding:33px;border-left:3px solid var(--plum);border-radius:var(--radius)}
        .service-lead h3{font-size:23px;margin:0 0 13px}.service-lead p{color:var(--muted);font-size:14px}
        .service-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
        .service-item{background:var(--ink-2);padding:24px;min-height:160px}
        .service-item i{font-size:23px;color:var(--coral)}.service-item h3{font-size:17px;margin:13px 0 4px}.service-item p{font-size:13px;color:var(--muted);margin:0}
        .mini-status{display:inline-block;margin-top:15px;padding:3px 8px;border-radius:4px;background:rgba(130,182,154,.12);color:var(--green);font-size:11px}
        .stats-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .stat{padding:25px 24px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{font-size:35px;letter-spacing:-.04em}.stat em{font-style:normal;color:var(--coral);font-size:17px}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.stat small{display:block;color:#817780;font-size:11px;margin-top:12px}
        .feature-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:22px}.video-card{background:var(--panel);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.25s ease}.video-card:hover{transform:translateY(-4px);border-color:rgba(232,117,95,.55);box-shadow:var(--shadow)}
        .cover{aspect-ratio:16/9;position:relative;overflow:hidden;background:#342d35}.cover img{width:100%;height:100%;object-fit:cover;transition:.35s}.video-card:hover .cover img{transform:scale(1.03)}
        .cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),transparent 55%)}
        .play{position:absolute;z-index:2;left:20px;bottom:18px;width:42px;height:42px;border-radius:50%;background:var(--coral);display:grid;place-items:center;color:#261518}.duration,.quality{position:absolute;z-index:2;right:12px;top:12px;background:rgba(15,13,16,.78);padding:3px 7px;border-radius:4px;font-size:11px}.quality{left:12px;right:auto;color:#f4c6bb}
        .video-body{padding:18px}.video-body h3{font-size:18px;margin:0 0 7px}.meta{color:var(--muted);font-size:12px;display:flex;gap:13px;flex-wrap:wrap}.meta i{color:var(--plum-soft)}
        .side-list{display:flex;flex-direction:column;gap:10px}.side-item{display:grid;grid-template-columns:125px 1fr;gap:14px;padding:10px;background:var(--ink-2);border:1px solid var(--line);border-radius:7px}.side-item .cover{aspect-ratio:16/10}.side-item h3{font-size:14px;line-height:1.45;margin:4px 0 8px}.side-item .play{width:28px;height:28px;font-size:11px;left:10px;bottom:10px}
        .plan-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}.plan{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.plan.featured{border-color:var(--coral);background:#30262b}.plan h3{font-size:20px;margin:0 0 8px}.plan p{color:var(--muted);font-size:13px}.plan ul{list-style:none;padding:0;margin:20px 0}.plan li{padding:8px 0;border-bottom:1px solid var(--line);font-size:13px;color:#d4cbd0}.plan li i{color:var(--green);margin-right:8px}
        .accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--cream);--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:var(--cream);--bs-accordion-btn-bg:var(--ink-2);--bs-accordion-active-color:var(--cream);--bs-accordion-active-bg:var(--panel)}
        .accordion-item{margin-bottom:10px;border:1px solid var(--line)!important;border-radius:7px!important;overflow:hidden}.accordion-button{font-weight:700;padding:19px 21px;box-shadow:none!important}.accordion-button:after{filter:invert(1);opacity:.6}.accordion-body{color:var(--muted);font-size:14px;padding:0 21px 21px}
        .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}.contact-copy p{color:var(--muted);font-size:14px}.contact-points{list-style:none;padding:0;margin:28px 0}.contact-points li{display:flex;gap:12px;padding:10px 0;color:#d8cfd4;font-size:14px}.contact-points i{color:var(--coral);font-size:18px}.form-label{font-size:13px;color:#d8cfd4}.form-control,.form-select{background:var(--ink-2);border:1px solid var(--line);color:var(--cream);border-radius:6px;padding:11px 13px}.form-control::placeholder{color:#817780}.form-select{--bs-form-select-bg-img:none}.form-check-label{font-size:12px;color:var(--muted)}
        footer{padding:38px 0;background:#121114}.footer-row{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-note{color:#817780;font-size:12px;max-width:500px}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:#716970;font-size:11px}
        @media(max-width:991px){.nav-search{width:145px}.nav-link{padding-left:9px!important;padding-right:9px!important}.service-grid,.feature-layout,.contact-grid{grid-template-columns:1fr}.contact-grid{gap:30px}}
        @media(max-width:767px){.site-header,.navbar{height:68px}.navbar{padding-top:0;padding-bottom:0}.brand-text strong{font-size:13px}.brand-text small{display:none}.brand-mark{width:31px;height:31px}.navbar-collapse{background:#121114;border:1px solid var(--line);padding:10px 16px;margin:0 -12px}.nav-link{padding:12px 5px!important}.nav-link.active:after{left:5px;right:auto;width:30px;bottom:5px}.nav-search{width:100%;margin:8px 0}.hero{min-height:520px;padding:56px 0 40px}.hero-copy{font-size:15px}.section{padding:65px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.stats-band{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid var(--line);padding:20px 15px}.stat strong{font-size:28px}.service-list,.plan-wrap{grid-template-columns:1fr}.footer-row{display:block}.footer-links{margin-top:22px}}
        @media(max-width:520px){.container{padding-left:16px;padding-right:16px}h1{font-size:38px}.hero-actions .btn{width:100%;text-align:center}.side-item{grid-template-columns:105px 1fr}.side-item h3{font-size:13px}.section h2{font-size:27px}}

/* roulang page: category1 */
:root{--ink:#171519;--ink-2:#211e23;--panel:#29242b;--panel-2:#302a33;--plum:#73516f;--plum-soft:#a9819f;--coral:#e8755f;--coral-dark:#c95748;--cream:#f5eee8;--muted:#b9afb8;--line:rgba(245,238,232,.13);--green:#82b69a;--yellow:#d9b878;--radius:10px;--shadow:0 16px 36px rgba(0,0,0,.22)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.22s ease}a:hover{color:var(--coral)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}.container{max-width:1220px;padding-left:22px;padding-right:22px}
    .site-header{height:78px;background:#121114;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.navbar{height:78px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#211519;font-size:18px}.brand-text{font-size:15px}.brand-text strong{display:block;font-size:16px}.brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em}.nav-link{color:var(--muted);font-size:14px;padding:27px 9px!important;position:relative}.nav-link:hover,.nav-link.active{color:var(--cream)}.nav-link.active:after{content:"";height:2px;background:var(--coral);position:absolute;left:9px;right:9px;bottom:17px}.nav-search{width:180px;height:38px;border:1px solid var(--line);background:var(--ink-2);border-radius:7px;display:flex;align-items:center;padding:0 11px;gap:8px;color:var(--muted)}.nav-search input{width:100%;border:0;outline:0;background:transparent;color:var(--cream);font-size:13px}.nav-search input::placeholder{color:#817780}
    .btn{border-radius:7px;font-weight:700;padding:10px 17px;font-size:14px;transition:.22s ease}.btn-main{background:var(--coral);border:1px solid var(--coral);color:#241619}.btn-main:hover{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;transform:translateY(-2px)}.btn-outline{border:1px solid var(--line);color:var(--cream);background:transparent}.btn-outline:hover{border-color:var(--plum-soft);background:var(--panel);color:var(--cream)}.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{outline:3px solid rgba(232,117,95,.45);outline-offset:3px}
    .page-head{padding:76px 0 55px;background:#1d191e;border-bottom:1px solid var(--line)}.eyebrow,.kicker{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:.14em}.page-head h1{font-size:clamp(32px,5vw,58px);letter-spacing:-.045em;line-height:1.15;margin:12px 0 18px;max-width:760px}.page-summary{color:#d1c6cd;max-width:700px;font-size:16px}.head-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.badge-soft,.badge-hd{display:inline-flex;align-items:center;gap:5px;border-radius:5px;padding:5px 9px;font-size:11px;font-weight:700}.badge-soft{background:rgba(115,81,111,.32);color:#d9bdd4}.badge-hd{background:rgba(130,182,154,.14);color:var(--green)}
    .section{padding:58px 0;border-bottom:1px solid var(--line)}.toolbar{background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:var(--radius);margin-bottom:30px}.form-label{font-size:12px;color:#d8cfd4;margin-bottom:6px}.form-control,.form-select{background:var(--ink-2);border:1px solid var(--line);color:var(--cream);border-radius:6px;padding:10px 12px}.form-control::placeholder{color:#817780}.form-select{--bs-form-select-bg-img:none}.form-control:focus,.form-select:focus{background:var(--ink-2);color:var(--cream);border-color:var(--plum-soft);box-shadow:none}.filter-summary{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
    .content-layout{display:grid;grid-template-columns:210px 1fr;gap:28px}.index-panel{border-right:1px solid var(--line);padding-right:22px}.index-panel h2{font-size:16px;margin:0 0 16px}.index-list{list-style:none;padding:0;margin:0}.index-list li{border-bottom:1px solid var(--line)}.index-list a{display:flex;justify-content:space-between;padding:11px 0;color:var(--muted);font-size:13px}.index-list a:hover,.index-list a.active{color:var(--coral)}.content-main h2{font-size:26px;margin:0 0 20px}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.video-card{background:var(--panel);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.25s ease}.video-card:hover{transform:translateY(-4px);border-color:rgba(232,117,95,.55);box-shadow:var(--shadow)}.cover{aspect-ratio:16/9;position:relative;overflow:hidden;background:#332d35}.cover img{width:100%;height:100%;object-fit:cover;transition:.35s}.video-card:hover .cover img{transform:scale(1.03)}.cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.55),transparent 48%);pointer-events:none}.play{position:absolute;z-index:2;left:16px;bottom:14px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#251618}.duration{position:absolute;z-index:2;right:12px;bottom:12px;background:rgba(18,17,20,.82);padding:3px 7px;border-radius:4px;font-size:11px}.video-body{padding:17px}.video-body h3{font-size:17px;line-height:1.45;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.meta{color:var(--muted);font-size:12px;display:flex;gap:12px;flex-wrap:wrap}.meta i{color:var(--plum-soft)}.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.save-btn{border:0;background:transparent;color:var(--muted);padding:4px 0}.save-btn:hover{color:var(--coral)}.featured-strip{display:grid;grid-template-columns:1.35fr 1fr;gap:18px;margin-bottom:30px}.featured-strip .video-card:first-child .cover{aspect-ratio:2/1}.side-items{display:grid;gap:10px}.side-item{display:grid;grid-template-columns:125px 1fr;gap:14px;padding:10px;background:var(--ink-2);border:1px solid var(--line);border-radius:7px}.side-item .cover{aspect-ratio:16/10}.side-item h3{font-size:14px;line-height:1.45;margin:3px 0 7px}.side-item .play{width:28px;height:28px;font-size:11px;left:10px;bottom:9px}.empty-state{display:none;text-align:center;border:1px dashed var(--line);padding:45px;color:var(--muted)}.pagination{gap:7px;margin-top:30px}.page-link{background:var(--ink-2);border:1px solid var(--line);color:var(--muted);border-radius:6px!important}.page-link:hover,.page-item.active .page-link{background:var(--plum);border-color:var(--plum);color:var(--cream)}
    .notice{padding:18px 20px;background:#302a25;border-left:3px solid var(--yellow);color:#d8c8ac;font-size:13px;border-radius:6px}.cta{padding:55px 0;background:var(--panel-2)}.cta h2{font-size:30px;margin:0 0 10px}.cta p{color:var(--muted);margin:0 0 22px;max-width:650px}.accordion-item{margin-bottom:10px;border:1px solid var(--line)!important;border-radius:7px!important;overflow:hidden;background:var(--panel)}.accordion-button{background:var(--panel);color:var(--cream);font-weight:700;padding:19px 21px;box-shadow:none!important}.accordion-button:not(.collapsed){background:#342a34;color:var(--cream)}.accordion-button:after{filter:invert(1);opacity:.6}.accordion-body{background:var(--panel);color:var(--muted);font-size:14px;padding:0 21px 21px}
    footer{padding:38px 0;background:#121114}.footer-row{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-note{color:#817780;font-size:12px;max-width:500px}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:#716970;font-size:11px}
    @media(max-width:991px){.nav-search{width:100%;margin:15px 0}.nav-link{padding:12px 0!important}.nav-link.active:after{left:0;right:auto;width:35px;bottom:5px}.navbar-collapse{background:#121114;padding:12px 22px 22px;margin:0 -22px;border-bottom:1px solid var(--line)}.content-layout{grid-template-columns:1fr}.index-panel{border-right:0;border-bottom:1px solid var(--line);padding:0 0 15px}.index-list{display:flex;gap:20px;overflow:auto}.index-list li{border:0;white-space:nowrap}.index-list a{padding:4px 0}}
    @media(max-width:767px){.container{padding-left:16px;padding-right:16px}.page-head{padding:54px 0 38px}.section{padding:42px 0}.featured-strip,.video-grid{grid-template-columns:1fr}.featured-strip .video-card:first-child .cover{aspect-ratio:16/9}.toolbar .row{row-gap:12px}.footer-row{display:block}.footer-links{margin-top:25px}.site-header,.navbar{height:70px}.brand-text strong{font-size:14px}.brand-text small{font-size:9px}.navbar-toggler{color:var(--cream);border:1px solid var(--line);padding:7px 10px}}
    @media(max-width:520px){.page-head h1{font-size:34px}.head-meta{gap:7px}.side-item{grid-template-columns:105px 1fr}.video-body{padding:14px}.btn{padding:9px 13px}.cta h2{font-size:25px}}