/* roulang page: index */
:root{--paper:#f7f3ed;--surface:#fffdf9;--ink:#292522;--muted:#766e67;--line:#e7ddd2;--berry:#7b405b;--berry-dark:#5d2d43;--coral:#df765d;--sage:#48655b;--cream:#f1e5d7;--shadow:0 16px 42px rgba(69,45,34,.10);--soft-shadow:0 8px 22px rgba(69,45,34,.07);--radius:16px;--max:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s}a:hover{color:var(--berry)}img{max-width:100%;display:block}button,input,select{font:inherit}button:focus,a:focus,input:focus,select:focus{outline:3px solid rgba(223,118,93,.35);outline-offset:3px}.container{max-width:var(--max);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(231,221,210,.9)}.nav-row{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;line-height:1.15;white-space:nowrap}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--berry);color:#fff;border-radius:12px 12px 12px 4px;font-size:18px}.brand-name{font-size:17px;letter-spacing:.02em}.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:4px;margin:0;list-style:none}.main-nav a{display:block;padding:9px 13px;border-radius:9px;font-size:14px;color:var(--muted)}.main-nav a:hover,.main-nav a.active{background:var(--cream);color:var(--berry-dark);font-weight:700}.nav-cta,.button.primary{background:var(--berry);color:#fff!important;border-radius:10px;font-weight:700;box-shadow:0 7px 16px rgba(123,64,91,.18)}.nav-cta{padding:11px 17px!important;margin-left:12px}.nav-cta:hover,.button.primary:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:transparent;color:var(--berry);font-size:25px;padding:8px}.progress-wrap{border-bottom:1px solid var(--line);background:#fbf8f3}.progress{min-height:54px;display:flex;align-items:center;gap:0;overflow-x:auto;scrollbar-width:none}.progress::-webkit-scrollbar{display:none}.progress-step{position:relative;display:flex;align-items:center;gap:9px;white-space:nowrap;padding:13px 42px 13px 0;margin-right:22px;color:#968b82;font-size:13px}.progress-step:after{content:"";position:absolute;right:0;top:50%;width:30px;height:1px;background:var(--line)}.progress-step:last-child:after{display:none}.progress-step b{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e8ded4;color:var(--muted);font-size:12px}.progress-step.active{color:var(--berry-dark);font-weight:700}.progress-step.active b{background:var(--berry);color:#fff}.hero{padding:74px 0 62px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;right:-120px;top:-150px;width:440px;height:440px;border-radius:50%;background:rgba(223,118,93,.12)}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.03fr) minmax(420px,.97fr);gap:68px;align-items:center}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:12px;font-weight:800;letter-spacing:.08em}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--coral)}h1,h2,h3{margin:0;color:var(--ink);font-weight:800;line-height:1.3}h1{font-size:clamp(38px,5vw,66px);letter-spacing:-.04em;margin:19px 0 20px;max-width:680px}h2{font-size:clamp(27px,3.2vw,42px);letter-spacing:-.025em}h3{font-size:19px}.hero-copy{max-width:635px;color:var(--muted);font-size:18px;line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 25px}.button{border:0;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 19px;border-radius:10px;font-size:15px;font-weight:700;margin:0}.button.secondary{background:transparent;border:1px solid #cdbbae;color:var(--berry-dark)!important}.button.secondary:hover{background:var(--surface);border-color:var(--berry);transform:translateY(-2px)}.hero-notes{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}.hero-notes span{display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;background:var(--sage);border-radius:50%}.preview{position:relative;background:#342b2b;border-radius:20px;padding:14px;box-shadow:var(--shadow);transform:rotate(1.2deg)}.preview-screen{min-height:355px;border-radius:12px;overflow:hidden;background:linear-gradient(145deg,#5b354d 0%,#9b5363 48%,#e28a67 100%);position:relative;padding:24px;color:#fff}.preview-screen:after{content:"";position:absolute;right:-30px;bottom:-70px;width:260px;height:260px;border:1px solid rgba(255,255,255,.28);border-radius:50%}.preview-index{font-size:12px;opacity:.8;letter-spacing:.12em}.preview-screen h2{color:#fff;max-width:270px;font-size:30px;margin-top:72px;position:relative;z-index:1}.preview-screen p{position:relative;z-index:1;max-width:270px;color:rgba(255,255,255,.8);font-size:14px;line-height:1.7}.play{position:absolute;z-index:2;right:27px;bottom:25px;width:58px;height:58px;border-radius:50%;background:#fff;color:var(--berry);display:grid;place-items:center;font-size:22px;padding-left:3px}.duration{position:absolute;left:25px;bottom:26px;background:rgba(36,27,28,.65);padding:4px 9px;border-radius:6px;font-size:12px}.preview-meta{display:flex;justify-content:space-between;gap:12px;color:#d7c4b9;padding:14px 3px 0;font-size:12px}.section{padding:88px 0}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:31px}.section-head p{max-width:500px;color:var(--muted);margin:0;font-size:15px}.section-soft{background:#eee6dc}.section-dark{background:#382c2d;color:#f9f3eb}.section-dark h2,.section-dark h3{color:#fffaf2}.section-dark .section-head p{color:#d7c9c0}.selling-grid{display:grid;grid-template-columns:1.35fr .82fr .82fr;gap:16px;align-items:stretch}.sell-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:205px;position:relative;overflow:hidden}.sell-card.featured{background:var(--berry);color:#fff;padding:34px}.sell-card.featured h3{color:#fff}.sell-card p{color:var(--muted);font-size:14px;line-height:1.75}.sell-card.featured p{color:#f1dfe3}.card-no{color:var(--coral);font-weight:800;font-size:13px;margin-bottom:30px}.featured .card-no{color:#f6b09c}.sell-card .tiny-tag{position:absolute;right:22px;top:22px}.tiny-tag,.tag{display:inline-flex;align-items:center;background:var(--cream);color:var(--berry-dark);border-radius:6px;padding:3px 8px;font-size:11px;font-weight:700}.featured .tiny-tag{background:rgba(255,255,255,.15);color:#fff}.scene-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.scene-copy p{color:var(--muted);max-width:540px}.scene-list{margin:25px 0 0;padding:0;list-style:none}.scene-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}.scene-list strong{display:block;font-size:15px}.scene-list span{display:block;color:var(--muted);font-size:13px;line-height:1.6}.number{flex:0 0 30px;height:30px;border:1px solid #d7b8ab;border-radius:50%;display:grid;place-items:center;color:var(--berry);font-weight:800;font-size:12px}.browser{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:13px;box-shadow:var(--soft-shadow)}.browser-top{display:flex;gap:6px;padding:6px 5px 13px}.browser-top i{width:8px;height:8px;border-radius:50%;background:#dec9bb}.browser-body{border-radius:11px;background:#f2ebe3;padding:19px}.search-line{height:34px;background:#fff;border:1px solid var(--line);border-radius:7px;color:#b1a49b;padding:4px 10px;font-size:12px;margin-bottom:14px}.filter-row{display:flex;gap:6px;margin-bottom:17px}.filter-row b{background:var(--berry);color:#fff;border-radius:5px;padding:4px 9px;font-size:11px}.filter-row span{background:#fff;color:var(--muted);border-radius:5px;padding:4px 9px;font-size:11px}.result{display:flex;gap:12px;padding:12px 0;border-top:1px solid #dfd2c6}.thumb{width:104px;height:63px;border-radius:7px;background:linear-gradient(135deg,#6d4953,#d9876e);position:relative;flex:0 0 auto}.thumb.alt{background:linear-gradient(135deg,#53675e,#c7a17d)}.thumb:after{content:"▶";position:absolute;left:43px;top:19px;color:#fff;font-size:14px}.result strong{font-size:13px;display:block}.result small{display:block;color:#9b8e84;font-size:11px;margin-top:5px}.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote{border-left:3px solid var(--coral);padding:5px 0 5px 22px}.quote p{font-size:18px;line-height:1.75;color:#f7eee6;margin:0 0 12px}.quote small{color:#cbbcb3}.activity{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.05)}.activity-row{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:13px}.activity-row:last-child{border:0}.activity-row span{color:#cdbeb5}.faq-wrap{max-width:850px}.accordion{background:transparent;margin:0}.accordion-title{border:0!important;border-bottom:1px solid var(--line)!important;color:var(--ink);font-weight:700;font-size:16px;padding:20px 40px 20px 0}.accordion-title:before{right:7px;color:var(--berry);font-weight:400}.accordion-content{border:0!important;background:var(--surface);color:var(--muted);font-size:14px;line-height:1.85;padding:17px 20px}.accordion-item.is-active .accordion-title{color:var(--berry);background:transparent}.cta-panel{margin-top:55px;background:var(--cream);border-radius:18px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta-panel p{margin:5px 0 0;color:var(--muted);font-size:14px}.fixed-cta{position:fixed;z-index:15;bottom:0;left:0;right:0;background:rgba(56,44,45,.97);color:#fff;padding:11px 0;box-shadow:0 -8px 24px rgba(40,28,28,.15)}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}.fixed-inner p{margin:0;font-size:14px}.fixed-inner p span{color:#d9b4a6;margin-left:12px}.fixed-cta .button{background:var(--coral);color:#fff!important;min-height:38px;padding:7px 18px}.fixed-cta .button:hover{background:#c9604d}.site-footer{padding:48px 0 82px;background:#292324;color:#d8cbc3}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{color:#fffaf2}.footer-brand p{max-width:360px;color:#a99b94;font-size:13px;line-height:1.8}.footer-title{color:#fffaf2;font-size:14px;font-weight:700;margin-bottom:12px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:6px 0;font-size:13px;color:#a99b94}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid #453b3a;margin-top:35px;padding-top:18px;color:#8e817c;font-size:12px}.screen-reader{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    @media(max-width:900px){.main-nav{display:none}.menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}.main-nav.open{display:block;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 24px}.main-nav.open ul{display:block}.main-nav.open a{padding:11px 0}.hero-grid,.scene-grid{grid-template-columns:1fr;gap:35px}.hero{padding-top:55px}.preview{max-width:620px;margin:0 auto}.selling-grid{grid-template-columns:1fr 1fr}.sell-card.featured{grid-column:1/-1;min-height:180px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
    @media(max-width:640px){body{font-size:15px}.container{padding:0 17px}.nav-row{min-height:68px}.brand-name{font-size:14px}.brand-mark{width:34px;height:34px}.hero{padding:44px 0 48px}h1{font-size:39px}.hero-copy{font-size:16px;line-height:1.8}.hero-actions .button{width:100%}.preview-screen{min-height:300px}.preview-screen h2{margin-top:52px}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:13px}.selling-grid,.feedback-grid{grid-template-columns:1fr}.sell-card.featured{grid-column:auto}.sell-card{min-height:auto}.scene-grid{gap:25px}.browser-body{padding:12px}.thumb{width:90px}.cta-panel{display:block;padding:23px}.cta-panel .button{margin-top:17px;width:100%}.fixed-inner p{font-size:12px}.fixed-inner p span{display:block;margin:0;color:#cdbeb5}.fixed-cta .button{white-space:nowrap;padding:7px 12px;font-size:13px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:95px}}

/* roulang page: category1 */
:root{--paper:#f7f3ed;--surface:#fffdf9;--ink:#292522;--muted:#766e67;--line:#e7ddd2;--berry:#7b405b;--berry-dark:#5d2d43;--coral:#df765d;--sage:#48655b;--cream:#f1e5d7;--shadow:0 16px 42px rgba(69,45,34,.10);--soft-shadow:0 8px 22px rgba(69,45,34,.07);--radius:16px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:.2s}a:hover{color:var(--berry)}img{max-width:100%;display:block}button,input,select{font:inherit}button:focus,a:focus,input:focus,select:focus{outline:3px solid rgba(223,118,93,.35);outline-offset:3px}.container{max-width:var(--max);margin:auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-row{min-height:76px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;line-height:1.15;white-space:nowrap}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--berry);color:#fff;border-radius:12px 12px 12px 4px;font-size:18px}.brand-name{font-size:17px}.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:4px;margin:0;list-style:none}.main-nav a{display:block;padding:9px 13px;border-radius:9px;font-size:14px;color:var(--muted)}.main-nav a:hover,.main-nav a.active{background:var(--cream);color:var(--berry-dark);font-weight:700}.nav-cta,.button.primary{background:var(--berry);color:#fff!important;border-radius:10px;font-weight:700;box-shadow:0 7px 16px rgba(123,64,91,.18)}.nav-cta{padding:11px 17px!important;margin-left:12px}.nav-cta:hover,.button.primary:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:transparent;color:var(--berry);font-size:25px;padding:8px}.progress{border-bottom:1px solid var(--line);overflow:auto;background:rgba(255,253,249,.66)}.progress-list{display:flex;min-width:560px;list-style:none;margin:0;padding:0}.progress-list a{display:flex;align-items:center;gap:9px;padding:13px 23px 13px 0;margin-right:28px;color:var(--muted);font-size:13px;white-space:nowrap}.progress-list a:hover,.progress-list a.active{color:var(--berry);font-weight:700}.step{width:25px;height:25px;border:1px solid #cdbbae;border-radius:50%;display:grid;place-items:center;font-size:12px}.active .step{background:var(--berry);border-color:var(--berry);color:#fff}.hero{padding:64px 0 50px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.eyebrow,.kicker{color:var(--berry);font-size:12px;font-weight:800;letter-spacing:.08em}.eyebrow:before,.kicker:before{content:"";display:inline-block;width:24px;height:2px;margin:0 8px 4px 0;background:var(--coral)}h1,h2,h3{line-height:1.32;margin:0 0 16px;color:var(--ink)}h1{font-size:clamp(35px,5vw,58px);letter-spacing:-.04em}h2{font-size:clamp(27px,3vw,39px)}h3{font-size:20px}.hero p{color:var(--muted);font-size:17px;max-width:630px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border:0;border-radius:10px;font-size:15px;font-weight:700}.button.secondary{border:1px solid #cdbbae;color:var(--berry-dark)!important;background:transparent}.button.secondary:hover{border-color:var(--berry);background:var(--surface);transform:translateY(-2px)}.hero-note{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}.hero-note b{color:var(--berry)}.preview{background:#382c2d;border-radius:18px;padding:14px;color:#fffaf2;box-shadow:var(--shadow);transform:rotate(1deg)}.preview-screen{min-height:270px;border-radius:11px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(135deg,#6e4157,#bc6b5d 55%,#e2a078)}.preview-label{display:flex;justify-content:space-between;font-size:12px}.play{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--berry);font-size:25px;margin:auto}.preview-title{font-weight:800;font-size:22px;line-height:1.4}.preview-meta{display:flex;justify-content:space-between;color:#e5d4ca;font-size:12px;padding-top:12px}.section{padding:75px 0}.section-soft{background:#eee6dc}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head p{max-width:500px;margin:0;color:var(--muted);font-size:14px}.filter-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--soft-shadow);margin-bottom:28px}.filter-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:13px;align-items:end}.field label{display:block;font-size:12px;font-weight:700;color:var(--berry-dark);margin-bottom:5px}.field input,.field select{width:100%;height:43px;border:1px solid #d8c9bc;border-radius:8px;background:#fff;padding:0 12px;color:var(--ink)}.filter-tip{font-size:12px;color:var(--muted);margin:14px 0 0}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px}.video-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:7px 23px}.video-item{display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.video-item:last-child{border-bottom:0}.thumb{height:92px;border-radius:10px;background:linear-gradient(135deg,#4d3948,#d57c63);position:relative;overflow:hidden}.thumb:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);color:var(--berry);font-size:15px}.thumb.t2{background:linear-gradient(135deg,#48655b,#c58a63)}.thumb.t3{background:linear-gradient(135deg,#78566c,#e29b75)}.thumb.t4{background:linear-gradient(135deg,#44505a,#b46a68)}.item-index{font-size:12px;color:var(--coral);font-weight:800}.video-item h3{font-size:17px;margin:4px 0 5px}.video-item p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}.tag{font-size:11px;padding:2px 7px}.item-action{text-align:right}.duration{display:block;color:var(--muted);font-size:12px;margin-bottom:9px;white-space:nowrap}.mini-btn{display:inline-block;border:1px solid #cdbbae;border-radius:7px;padding:5px 10px;color:var(--berry-dark);font-size:12px;font-weight:700}.mini-btn:hover{background:var(--berry);color:#fff}.side-card{background:var(--berry);color:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--soft-shadow)}.side-card h3{color:#fff}.side-card p{color:#f1dfe3;font-size:13px}.side-list{list-style:none;margin:18px 0 0;padding:0}.side-list li{border-top:1px solid rgba(255,255,255,.2);padding:12px 0;font-size:13px}.side-list span{display:block;color:#f2b8a7;font-size:11px}.notice{margin-top:17px;background:var(--surface);border-left:4px solid var(--coral);padding:17px 20px;color:var(--muted);font-size:13px;border-radius:8px}.faq-wrap{max-width:860px}.accordion{background:transparent}.accordion-title{border:0!important;border-bottom:1px solid var(--line)!important;color:var(--ink);font-weight:700;font-size:16px;padding:19px 40px 19px 0}.accordion-title:before{right:7px;color:var(--berry)}.accordion-item.is-active .accordion-title{color:var(--berry);background:transparent}.accordion-content{border:0;background:transparent;color:var(--muted);font-size:14px;padding:0 38px 18px 0}.cta-panel{margin-top:42px;background:var(--cream);border-radius:18px;padding:27px 31px;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta-panel p{margin:4px 0 0;color:var(--muted);font-size:14px}.site-footer{background:#382c2d;color:#f9f3eb;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.footer-brand{color:#fff}.footer-brand p{max-width:330px;color:#d7c9c0;font-size:13px;margin-top:17px}.footer-title{font-weight:700;margin-bottom:12px}.footer-links{list-style:none;margin:0;padding:0;color:#d7c9c0;font-size:13px}.footer-links li{margin:7px 0}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;color:#bcaea7;font-size:12px}.fixed-cta{position:fixed;z-index:19;bottom:0;left:0;right:0;background:rgba(56,44,45,.97);color:#fff;padding:11px 24px}.fixed-inner{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-cta span{font-size:13px}.fixed-cta .button{min-height:38px;padding:7px 16px;font-size:13px}.safe-space{height:64px}
@media(max-width:900px){.main-nav ul{gap:0}.main-nav a{padding:8px}.hero-grid{grid-template-columns:1fr}.preview{max-width:570px}.filter-grid{grid-template-columns:1fr 1fr}.filter-grid .button{grid-column:span 2}.content-layout{grid-template-columns:1fr}.side-card{display:none}}
@media(max-width:700px){.nav-row{min-height:66px}.brand-name{font-size:14px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 24px}.main-nav.open{display:block}.main-nav ul{display:block}.main-nav a{padding:11px 10px}.nav-cta{margin:8px 0 0!important;text-align:center}.hero{padding:47px 0 35px}.hero p{font-size:15px}.section{padding:57px 0}.section-head{display:block}.section-head p{margin-top:10px}.video-list{padding:5px 15px}.video-item{grid-template-columns:105px 1fr;gap:13px}.thumb{height:72px}.item-action{grid-column:2;text-align:left}.duration{display:inline;margin-right:12px}.filter-grid{grid-template-columns:1fr}.filter-grid .button{grid-column:auto;width:100%}.fixed-inner span{font-size:12px}.fixed-cta{padding:9px 14px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}}
@media(max-width:500px){.container{padding:0 17px}h1{font-size:35px}.preview-screen{min-height:225px}.footer-grid{display:block}.footer-grid>div{margin-bottom:25px}.progress-list a{margin-right:16px;padding-right:10px}.video-item h3{font-size:15px}.cta-panel{display:block;padding:23px}.cta-panel .button{margin-top:16px;width:100%}}

/* roulang page: category2 */
:root{--paper:#f7f3ed;--surface:#fffdf9;--ink:#292522;--muted:#766e67;--line:#e7ddd2;--berry:#7b405b;--berry-dark:#5d2d43;--coral:#df765d;--sage:#48655b;--cream:#f1e5d7;--shadow:0 16px 42px rgba(69,45,34,.10);--soft-shadow:0 8px 22px rgba(69,45,34,.07);--radius:16px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;padding-bottom:76px}a{color:inherit;text-decoration:none;transition:.2s}a:hover{color:var(--berry)}img{max-width:100%;display:block}button,input,select{font:inherit}button:focus,a:focus,input:focus,select:focus{outline:3px solid rgba(223,118,93,.35);outline-offset:3px}.container{max-width:var(--max);margin:auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-row{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;line-height:1.15;white-space:nowrap}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--berry);color:white;border-radius:12px 12px 12px 4px;font-size:18px}.brand-name{font-size:17px}.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:4px;margin:0;list-style:none}.main-nav a{display:block;padding:9px 13px;border-radius:9px;font-size:14px;color:var(--muted)}.main-nav a:hover,.main-nav a.active{background:var(--cream);color:var(--berry-dark);font-weight:700}.nav-cta,.button.primary{background:var(--berry);color:#fff!important;border-radius:10px;font-weight:700;box-shadow:0 7px 16px rgba(123,64,91,.18)}.nav-cta{padding:11px 17px!important;margin-left:12px}.nav-cta:hover,.button.primary:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:transparent;color:var(--berry);font-size:25px;padding:8px}
h1,h2,h3{margin:0 0 14px;line-height:1.3;letter-spacing:-.02em}h1{font-size:clamp(34px,5vw,62px);max-width:760px}h2{font-size:clamp(27px,3.3vw,42px)}h3{font-size:20px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:12px;font-weight:800;letter-spacing:.08em}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--coral)}.hero{padding:72px 0 50px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.hero-copy{color:var(--muted);font-size:18px;line-height:1.95;max-width:650px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button{border:0;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 19px;border-radius:10px;font-size:15px;font-weight:700}.button.secondary{background:transparent;border:1px solid #cdbbae;color:var(--berry-dark)!important}.button.secondary:hover{background:var(--surface);border-color:var(--berry);transform:translateY(-2px)}.hero-notes{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}.hero-notes span{display:flex;align-items:center;gap:6px}
.bento{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1fr 1fr;gap:12px}.preview-card{grid-row:span 2;min-height:370px;border-radius:18px;background:#382c2d;position:relative;overflow:hidden;padding:20px;color:#fffaf2;box-shadow:var(--shadow)}.preview-card:before{content:"";position:absolute;inset:30px 25px 76px;background:linear-gradient(140deg,#9e6b68,#392b37 58%,#d98262);opacity:.85;border-radius:12px}.preview-card:after{content:"▶";position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:rgba(255,253,249,.92);color:var(--berry);font-size:22px;padding-left:4px}.preview-label,.preview-foot{position:absolute;left:20px;right:20px;z-index:1}.preview-label{top:18px;display:flex;justify-content:space-between;font-size:12px}.preview-foot{bottom:18px;display:flex;justify-content:space-between;align-items:end;gap:12px}.preview-foot strong{display:block;font-size:16px}.preview-foot small{color:#d7c4b9}.mini-panel{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:18px;display:flex;flex-direction:column;justify-content:space-between}.mini-panel strong{font-size:25px;color:var(--berry)}.mini-panel small{color:var(--muted);font-size:12px}.section{padding:82px 0}.section-soft{background:#eee6dc}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:30px}.section-head p{max-width:520px;color:var(--muted);margin:0;font-size:15px}.topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--soft-shadow)}.feature-card.large{padding:30px;display:grid;grid-template-columns:1fr .8fr;gap:25px;align-items:center}.media-art{min-height:185px;border-radius:12px;background:linear-gradient(135deg,#d88a72,#75455b 55%,#3d554b);position:relative;overflow:hidden}.media-art:before{content:"精选内容";position:absolute;left:18px;top:16px;color:#fff;border:1px solid rgba(255,255,255,.6);padding:3px 8px;border-radius:5px;font-size:12px}.media-art:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;color:var(--berry);border-radius:50%;width:48px;height:48px;display:grid;place-items:center;padding-left:3px}.tag{margin:0 5px 8px 0;background:var(--cream);color:var(--berry-dark)}.meta{color:var(--muted);font-size:13px}.feature-card p{color:var(--muted);font-size:14px;line-height:1.8}.index-list{margin:0;padding:0;list-style:none}.index-list li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}.index-list li:last-child{border-bottom:0}.index-no{color:var(--coral);font-weight:800}.index-list strong{display:block;font-size:15px}.index-list span{display:block;color:var(--muted);font-size:13px}.rail{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 15px;scroll-snap-type:x proximity}.rail-card{flex:0 0 260px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;scroll-snap-align:start}.rail-art{height:135px;border-radius:10px;background:linear-gradient(135deg,#b76562,#6a4057);margin-bottom:14px;position:relative}.rail-art.alt{background:linear-gradient(135deg,#6c8370,#c38164)}.rail-art.third{background:linear-gradient(135deg,#5b4c68,#d38b72)}.play-dot{position:absolute;bottom:11px;right:11px;background:#fff;color:var(--berry);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;padding-left:2px}.rail-card h3{font-size:16px;margin-bottom:5px}.rail-card p{font-size:13px;color:var(--muted);margin:0}.browse-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}.steps{list-style:none;margin:22px 0 0;padding:0}.steps li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.step-number{color:var(--berry);font-weight:800}.steps span{color:var(--muted);font-size:14px}.activity{background:#382c2d;color:#fffaf2;border-radius:18px;padding:25px}.activity h3{color:#fffaf2}.activity-row{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}.activity-row:last-child{border:0}.activity-row span{color:#cdbeb5}.faq-wrap{max-width:850px}.accordion{background:transparent;margin:0}.accordion-title{border:0!important;border-bottom:1px solid var(--line)!important;color:var(--ink);font-weight:700;font-size:16px;padding:20px 40px 20px 0}.accordion-title:before{right:7px;color:var(--berry)}.accordion-item.is-active .accordion-title{color:var(--berry);background:transparent}.accordion-content{border:0;background:var(--surface);color:var(--muted);font-size:14px;padding:18px 22px}.cta-panel{margin-top:46px;background:var(--cream);border-radius:18px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta-panel p{margin:5px 0 0;color:var(--muted);font-size:14px}.fixed-cta{position:fixed;z-index:30;bottom:0;left:0;right:0;background:rgba(56,44,45,.97);color:#fffaf2;padding:12px 24px}.fixed-inner{max-width:var(--max);margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px}.fixed-cta small{color:#d7c9c0}.site-footer{background:#2d2726;color:#eee3da;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:35px}.footer-brand{color:#fffaf2}.footer-brand p{color:#bcaea6;font-size:14px;max-width:350px;margin-top:15px}.footer-title{color:#fffaf2;font-weight:700;margin-bottom:10px}.footer-links{list-style:none;margin:0;padding:0}.footer-links a{color:#bcaea6;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:17px;color:#a99b94;font-size:12px}.crumbs{padding-top:25px;color:var(--muted);font-size:13px}.crumbs a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.main-nav a{padding-left:8px;padding-right:8px}.hero-grid,.browse-layout{grid-template-columns:1fr;gap:30px}.bento{max-width:650px}.topic-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
@media(max-width:767px){body{padding-bottom:100px}.container{padding:0 18px}.nav-row{min-height:67px}.brand-name{font-size:14px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:12px;right:12px;top:67px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow)}.main-nav.open{display:block}.main-nav ul{display:block}.main-nav a{padding:11px 13px}.nav-cta{margin:5px 0 0}.hero{padding:48px 0 35px}h1{font-size:38px}.hero-copy{font-size:16px}.bento{grid-template-columns:1fr 1fr}.preview-card{grid-column:1/-1;grid-row:auto;min-height:310px}.section{padding:58px 0}.feature-card.large{grid-template-columns:1fr;padding:20px}.media-art{min-height:165px}.cta-panel,.fixed-inner{display:block}.cta-panel .button{margin-top:17px}.fixed-inner .button{width:100%;margin-top:8px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.brand-mark{width:34px;height:34px}.brand-name{max-width:205px;white-space:normal}.hero-actions .button{width:100%}.bento{grid-template-columns:1fr}.mini-panel{min-height:105px}.section-head h2{font-size:29px}.feedback-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{line-height:1.6}}