/* roulang page: index */
:root{--berry:#71365e;--berry-dark:#542646;--coral:#d9826e;--mint:#6f9b89;--ink:#302a2d;--muted:#756b70;--paper:#fffaf7;--wash:#f6eeeb;--lilac:#eee5ed;--line:#e8dadd;--white:#fff;--shadow:0 18px 50px rgba(93,48,70,.11);--r:20px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--berry)}img{display:block;max-width:100%}button,input,select{font:inherit}button{cursor:pointer;border:0}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.topbar{height:78px;background:rgba(255,250,247,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.nav{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--berry);letter-spacing:-.03em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--berry);color:#fff;font-size:15px}.channels{display:flex;gap:22px;margin-left:auto}.channels a{font-size:14px;color:var(--muted);padding:25px 0;position:relative}.channels a:hover,.channels a.active{color:var(--berry)}.channels a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}.nav-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 8px 4px 14px}.nav-search input{width:120px;border:0;outline:0;background:transparent;font-size:13px}.search-button,.primary{background:var(--berry);color:#fff;border-radius:12px;padding:10px 17px;font-weight:700}.search-button{border-radius:50%;width:34px;height:34px;padding:0}.primary:hover,.search-button:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu{display:none;background:var(--lilac);color:var(--berry);border-radius:10px;padding:8px 11px}.hero{padding:76px 0 60px;background:linear-gradient(115deg,#fffaf7 0%,#f7ecec 56%,#eee4ed 100%)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;border-radius:999px;background:#f1deda;color:var(--berry);font-size:12px;font-weight:800;padding:4px 12px}.hero h1{font-size:clamp(38px,5.2vw,68px);line-height:1.18;letter-spacing:-.06em;margin:18px 0 20px;max-width:680px}.hero p{font-size:17px;color:var(--muted);max-width:650px;margin:0 0 28px}.actions{display:flex;gap:12px;flex-wrap:wrap}.secondary{border:1px solid var(--berry);color:var(--berry);background:transparent;border-radius:12px;padding:9px 17px;font-weight:700}.secondary:hover{background:var(--lilac)}.hero-board{background:#fff;border:1px solid rgba(113,54,94,.13);border-radius:28px;padding:22px;box-shadow:var(--shadow);transform:rotate(1.5deg)}.board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.board-title{font-size:16px;font-weight:800}.status{font-size:12px;color:var(--mint);background:#e8f2ed;border-radius:999px;padding:3px 9px}.cover-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:12px}.cover{min-height:145px;border-radius:16px;padding:15px;display:flex;align-items:flex-end;color:#fff;position:relative;overflow:hidden;background:linear-gradient(145deg,#9d708b,#542646)}.cover:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 25%,rgba(255,255,255,.4),transparent 28%)}.cover.large{min-height:230px;background:linear-gradient(145deg,#d28b76,#71365e)}.cover span{position:relative;font-size:13px;font-weight:700}.cover small{display:block;opacity:.8;font-weight:400}.board-foot{display:flex;gap:8px;margin-top:15px}.mini-line{height:8px;background:var(--lilac);border-radius:99px;flex:1}.mini-line:last-child{flex:.45;background:#f0d1ca}.section{padding:78px 0}.section.soft{background:var(--wash)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section h2{font-size:34px;line-height:1.3;letter-spacing:-.04em;margin:0 0 8px}.section-head p{color:var(--muted);margin:0;max-width:590px}.problem{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}.problem-intro{position:sticky;top:110px}.problem-intro h2{font-size:38px}.problem-list{border-top:1px solid var(--line)}.problem-item{display:grid;grid-template-columns:70px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.number{font-size:22px;color:var(--coral);font-weight:800}.problem-item h3{margin:0;font-size:19px}.problem-item p{margin:5px 0 0;color:var(--muted);font-size:14px}.arrow{color:var(--berry);font-size:22px}.solution{display:grid;grid-template-columns:240px 1fr;gap:45px}.steps{display:flex;flex-direction:column;gap:9px}.step{padding:14px 16px;border-radius:13px;color:var(--muted);border:1px solid transparent}.step.active,.step:hover{background:#fff;border-color:var(--line);color:var(--berry);font-weight:800;box-shadow:0 8px 22px rgba(93,48,70,.06)}.solution-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:27px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.feature{padding:20px;border-radius:16px;background:var(--paper)}.feature h3{margin:0 0 6px;font-size:18px}.feature p{font-size:14px;color:var(--muted);margin:0}.feature .icon{color:var(--coral);font-size:24px;margin-bottom:8px}.metrics{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.metric-main,.metric-side{border-radius:var(--r);padding:30px;background:var(--berry);color:#fff}.metric-main h2{font-size:32px;margin:0 0 20px}.bar{height:12px;background:rgba(255,255,255,.2);border-radius:99px;overflow:hidden}.bar i{display:block;width:82%;height:100%;background:var(--coral);border-radius:inherit}.metric-note{font-size:13px;opacity:.78;margin-top:10px}.metric-side{background:#ead9d7;color:var(--ink);display:grid;align-content:center}.metric-side strong{font-size:44px;line-height:1;color:var(--berry)}.metric-side span{color:var(--muted);font-size:14px}.content-area{display:grid;grid-template-columns:1.25fr .75fr;gap:25px}.updates,.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:25px}.update{display:flex;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.update:last-child{border-bottom:0}.update h3{font-size:16px;margin:0}.update p{font-size:13px;color:var(--muted);margin:3px 0 0}.date{font-size:12px;color:var(--coral);white-space:nowrap}.quote{background:var(--lilac);display:flex;flex-direction:column;justify-content:center}.quote-mark{font-size:46px;color:var(--coral);line-height:1}.quote p{font-size:20px;line-height:1.6;margin:0 0 20px}.quote small{color:var(--muted)}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-list details{border-bottom:1px solid var(--line);padding:17px 0}.faq-list summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq-list summary:after{content:"＋";color:var(--berry)}.faq-list details[open] summary:after{content:"－"}.faq-list p{color:var(--muted);font-size:14px;margin:12px 25px 0 0}.cta{padding:60px 0;background:var(--berry);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.3;margin:0 0 10px}.cta p{margin:0;color:#ead9e4}.cta .primary{background:#fff;color:var(--berry)}.cta .primary:hover{background:#f8e9e8}.notice{font-size:12px;color:#d9c8d2;margin-top:17px}.footer{background:#3e2935;color:#eadde3;padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin:0 0 12px}.footer a,.footer p{font-size:13px;color:#cdbdc6;margin:5px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:18px;font-size:12px;color:#bba9b3;display:flex;justify-content:space-between;gap:15px}.age-badge{display:inline-block;color:#eac1b6;border:1px solid #9a6d80;border-radius:7px;padding:2px 8px}.modal{display:none;position:fixed;inset:0;background:rgba(48,42,45,.62);z-index:20;place-items:center;padding:20px}.modal.show{display:grid}.modal-card{max-width:460px;background:var(--paper);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.modal-card h2{margin-top:0}.modal-card p{color:var(--muted);font-size:14px}.modal-actions{display:flex;gap:10px;margin-top:20px}.modal-actions button{flex:1}.focusable:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e4a092;outline-offset:3px}
@media(max-width:992px){.channels{gap:12px}.nav{gap:16px}.hero-grid{gap:35px}.problem,.metrics,.content-area,.faq-grid{grid-template-columns:1fr}.problem-intro{position:static}.metrics{gap:15px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.topbar{height:68px}.channels{display:none}.nav-search{margin-left:auto}.nav-search input{width:90px}.menu{display:block}.hero{padding:50px 0}.hero-grid{grid-template-columns:1fr}.hero-board{transform:none}.section{padding:55px 0}.section-head{display:block}.section h2{font-size:29px}.section-head p{margin-top:8px}.solution{grid-template-columns:1fr;gap:20px}.steps{flex-direction:row;overflow:auto}.step{white-space:nowrap}.cta-box{display:block}.cta .primary{margin-top:22px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}}
@media(max-width:520px){.container{width:min(calc(100% - 28px),var(--max))}.brand{font-size:14px}.brand-mark{width:30px;height:30px}.nav-search{padding-left:9px}.nav-search input{display:none}.hero h1{font-size:40px}.hero p{font-size:15px}.cover.large{min-height:190px}.cover{min-height:120px}.solution-panel{grid-template-columns:1fr;padding:17px}.problem-item{grid-template-columns:40px 1fr}.arrow{display:none}.actions a{width:100%;text-align:center}.cta h2{font-size:29px}}

/* roulang page: category1 */
:root{--berry:#71365e;--berry-dark:#542646;--coral:#d9826e;--mint:#6f9b89;--ink:#302a2d;--muted:#756b70;--paper:#fffaf7;--wash:#f6eeeb;--lilac:#eee5ed;--line:#e8dadd;--white:#fff;--shadow:0 18px 50px rgba(93,48,70,.11);--r:20px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none;transition:.2s}a:hover{color:var(--berry)}img{display:block;max-width:100%}button,input,select{font:inherit}button{cursor:pointer;border:0}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.topbar{height:78px;background:rgba(255,250,247,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.nav{height:100%;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--berry);letter-spacing:-.03em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--berry);color:#fff;font-size:15px}.channels{display:flex;gap:24px}.channels a{font-size:14px;color:var(--muted);padding:25px 0;position:relative}.channels a:hover,.channels a.active{color:var(--berry)}.channels a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}.nav-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 8px 4px 14px;margin-left:auto}.nav-search input{width:145px;border:0;outline:0;background:transparent;font-size:13px}.search-button,.primary{background:var(--berry);color:#fff;border-radius:12px;padding:10px 17px;font-weight:700}.search-button{border-radius:50%;width:34px;height:34px;padding:0}.search-button:hover,.primary:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu{display:none;background:var(--lilac);color:var(--berry);border-radius:10px;padding:8px 11px}
.breadcrumb{padding:25px 0 0;color:var(--muted);font-size:13px}.breadcrumb span{color:var(--berry);font-weight:700}.intro{padding:36px 0 40px;display:flex;align-items:end;justify-content:space-between;gap:40px}.eyebrow,.tag,.status{display:inline-flex;align-items:center;border-radius:999px;background:#f1deda;color:var(--berry);font-size:12px;font-weight:800;padding:4px 12px}.intro h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.06em;margin:15px 0 12px}.intro p{max-width:670px;color:var(--muted);margin:0;font-size:16px}.intro-note{background:var(--lilac);border:1px solid var(--line);border-radius:18px;padding:18px 20px;min-width:230px;font-size:13px;color:var(--berry)}
.toolbar{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:16px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;box-shadow:0 8px 25px rgba(93,48,70,.05);margin-bottom:30px}.toolbar input,.toolbar select{height:42px;border:1px solid var(--line);border-radius:11px;background:var(--paper);color:var(--ink);padding:0 13px;outline:0}.toolbar input{flex:1;min-width:210px}.toolbar input:focus,.toolbar select:focus{border-color:var(--berry);box-shadow:0 0 0 3px #f1deda}.filter{height:40px;padding:0 14px;border-radius:10px;background:var(--wash);color:var(--muted);font-size:13px}.filter:hover,.filter.active{background:var(--berry);color:#fff}.clear{background:transparent;color:var(--berry);font-size:13px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px}.featured{display:grid;grid-template-columns:1.08fr .92fr;background:var(--berry);border-radius:22px;overflow:hidden;color:#fff;min-height:250px;margin-bottom:18px}.visual{background:linear-gradient(135deg,#aa6b85,#e2a184 55%,#5b345e);position:relative;min-height:250px}.visual:after{content:"播放预览";position:absolute;left:20px;bottom:18px;border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:3px 11px;font-size:12px}.play{position:absolute;inset:0;display:grid;place-items:center;font-size:45px;color:#fff;text-shadow:0 5px 20px rgba(0,0,0,.2)}.featured-copy{padding:28px}.featured-copy h2{font-size:25px;line-height:1.4;margin:14px 0 8px}.featured-copy p{font-size:14px;color:#ead9e4;margin:0 0 20px}.light-button{display:inline-block;background:#fff;color:var(--berry);border-radius:11px;padding:9px 15px;font-weight:700;font-size:13px}.media-list{display:grid;gap:12px}.media-card{display:grid;grid-template-columns:175px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:12px;transition:.25s}.media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d6bacb}.thumb{height:108px;border-radius:12px;background:linear-gradient(135deg,#ead9e4,#d98c78);position:relative}.thumb.two{background:linear-gradient(135deg,#c7d7cf,#ad708d)}.thumb.three{background:linear-gradient(135deg,#e8c9bb,#786080)}.thumb:after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:25px}.media-card h3{font-size:17px;margin:8px 0 4px}.media-card p{font-size:13px;color:var(--muted);margin:0}.meta{display:flex;gap:12px;color:var(--muted);font-size:12px}.status{background:#e7f1eb;color:var(--mint);padding:2px 9px}.view{color:var(--berry);font-size:13px;font-weight:700;white-space:nowrap}
.sidebar{display:grid;align-content:start;gap:16px}.side-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.side-box h3{margin:0 0 14px;font-size:17px}.side-box p{font-size:13px;color:var(--muted);margin:0}.side-tags{display:flex;flex-wrap:wrap;gap:8px}.side-tags a{background:var(--wash);padding:5px 10px;border-radius:8px;font-size:12px;color:var(--muted)}.side-tags a:hover{background:var(--lilac);color:var(--berry)}.update-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:9px 0;font-size:13px}.update-line:last-child{border-bottom:0}.update-line b{color:var(--berry)}
.pagination{display:flex;justify-content:center;gap:8px;padding:32px 0}.pagination a,.pagination span{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;font-size:13px}.pagination .current{background:var(--berry);color:#fff;border-color:var(--berry)}.pagination .disabled{color:#b9aeb2;background:#f8f2f0}.faq{padding:72px 0;background:var(--wash)}.faq-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq h2{font-size:32px;line-height:1.35;margin:0 0 12px}.faq-intro{color:var(--muted)}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}summary:after{content:"＋";color:var(--berry)}details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;margin:10px 24px 0 0}.cta{padding:58px 0;background:var(--berry);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:33px;line-height:1.35;margin:0 0 8px}.cta p{margin:0;color:#ead9e4}.cta .primary{background:#fff;color:var(--berry)}.footer{background:#3e2935;color:#eadde3;padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin:0 0 12px}.footer a,.footer p{display:block;font-size:13px;color:#cdbdc6;margin:5px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:18px;font-size:12px;color:#bba9b3;display:flex;justify-content:space-between;gap:15px}.age-badge{display:inline-block;color:#eac1b6;border:1px solid #9a6d80;border-radius:7px;padding:2px 8px}.focusable:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e4a092;outline-offset:3px}
@media(max-width:992px){.channels{gap:14px}.layout{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr 1fr}.intro{display:block}.intro-note{display:inline-block;margin-top:20px}.faq-inner{grid-template-columns:1fr;gap:25px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.topbar{height:68px}.container{width:min(calc(100% - 28px),var(--max))}.nav{gap:12px}.channels{display:none;position:absolute;top:68px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 16px;box-shadow:var(--shadow)}.channels.open{display:flex;flex-direction:column;gap:0}.channels a{padding:10px 0}.channels a.active:after{display:none}.menu{display:block}.nav-search{margin-left:auto;padding-left:9px}.nav-search input{display:none}.primary{padding:9px 11px;font-size:13px}.intro{padding:28px 0 30px}.intro h1{font-size:38px}.featured{grid-template-columns:1fr}.visual{min-height:180px}.featured-copy{padding:22px}.media-card{grid-template-columns:112px 1fr}.thumb{height:83px}.view{display:none}.sidebar{grid-template-columns:1fr}.toolbar{align-items:stretch}.toolbar input{min-width:100%}.toolbar select{flex:1}.cta-box{display:block}.cta .primary{display:inline-block;margin-top:20px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}