/* roulang page: index */
:root{
  --ink:#25222b;
  --ink-soft:#625d69;
  --paper:#f8f7f4;
  --surface:#fff;
  --line:#e8e3df;
  --coral:#e85d4a;
  --coral-dark:#bd4033;
  --teal:#168b83;
  --plum:#6d4c70;
  --yellow:#f2c76d;
  --muted:#f0eeeb;
  --radius:10px;
  --shadow:0 12px 32px rgba(48,35,39,.08);
  --container:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#fff;height:42px;font-size:12px}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar-note{opacity:.78}
.topbar-tools{display:flex;gap:20px;color:#e9d8d4}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,247,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:330px;font-weight:800;letter-spacing:-.5px}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#fff;font-weight:900;font-size:19px}
.brand-name{font-size:17px}
.header-search{margin-left:auto;position:relative;width:255px}
.header-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 42px 0 14px;outline:none}
.header-search input:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(232,93,74,.12)}
.search-icon{position:absolute;right:12px;top:8px;color:var(--ink-soft)}
.menu-button{display:none;background:none;font-size:22px;color:var(--ink)}
.channel-nav{border-top:1px solid var(--line);overflow:auto}
.channel-nav::-webkit-scrollbar{display:none}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;white-space:nowrap}
.nav-link{padding:5px 15px;border-radius:5px;color:var(--ink-soft);font-size:14px;transition:.2s}
.nav-link:hover,.nav-link:focus{color:var(--coral);background:#fff}
.nav-link.active{background:var(--coral);color:#fff}
.nav-hot{margin-left:auto;color:var(--teal);font-size:13px}
.hero{padding:58px 0 64px;background:#e9e3dc;border-bottom:1px solid var(--line)}
.hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:700;margin-bottom:16px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
h1{font-size:clamp(34px,4.4vw,62px);line-height:1.18;letter-spacing:-2px;max-width:680px;margin-bottom:22px}
.hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:0 20px;border-radius:6px;font-size:14px;font-weight:700;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 7px 15px rgba(189,64,51,.2)}
.btn-secondary{border-color:#bcb2ae;color:var(--ink);background:transparent}
.btn-secondary:hover{background:#fff;border-color:var(--coral);color:var(--coral)}
.btn:focus,input:focus,summary:focus{outline:3px solid rgba(22,139,131,.25);outline-offset:2px}
.profile-line{display:flex;align-items:center;gap:12px;margin-top:27px}
.avatar{width:42px;height:42px;border-radius:50%;border:3px solid #fff;box-shadow:0 2px 8px #0002}
.profile-text strong{display:block;font-size:14px}.profile-text span{font-size:12px;color:var(--ink-soft)}
.hero-stats{display:flex;gap:24px;margin-left:auto}
.hero-stats b{display:block;font-size:21px}.hero-stats span{font-size:12px;color:var(--ink-soft)}
.hero-media{position:relative;min-height:390px;padding:18px;background:#302c39;border-radius:12px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
.hero-media img{height:354px;border-radius:7px;filter:saturate(.9)}
.media-caption{position:absolute;left:36px;bottom:35px;color:#fff;background:rgba(37,34,43,.86);padding:12px 16px;border-left:3px solid var(--coral);font-size:13px}
.section{padding:78px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-kicker{font-size:12px;letter-spacing:1px;color:var(--teal);font-weight:800;margin-bottom:7px}
h2{font-size:31px;line-height:1.3;letter-spacing:-.8px}
.section-intro{max-width:560px;color:var(--ink-soft)}
.ladder{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.ladder-item{background:var(--surface);padding:27px 28px;min-height:190px;position:relative}
.ladder-item:first-child{background:var(--plum);color:#fff}
.ladder-num{font-size:12px;color:var(--coral);font-weight:800}.ladder-item:first-child .ladder-num{color:var(--yellow)}
.ladder h3{font-size:20px;margin:17px 0 8px}.ladder p{color:var(--ink-soft);font-size:14px}.ladder-item:first-child p{color:#eee6ee}
.text-link{display:inline-block;margin-top:15px;color:var(--coral-dark);font-weight:700;font-size:13px}
.compare{background:var(--ink);color:#fff}
.compare .section-intro{color:#c9c2c7}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.compare-card{border:1px solid #514b55;padding:25px 23px;min-height:220px;background:#302c39}
.compare-card.featured{border-color:var(--coral);background:#3b3039}
.compare-card .tag{color:var(--yellow)}
.compare-card h3{font-size:20px;margin:13px 0 10px}.compare-card p{color:#d3ccd1;font-size:14px}
.compare-list{list-style:none;margin-top:16px;color:#ebe5e8;font-size:13px}
.compare-list li{padding:4px 0}.compare-list li:before{content:"✓";color:var(--yellow);margin-right:8px}
.guarantee{padding:28px 0;border-bottom:1px solid var(--line);border-top:1px solid var(--line);background:#fff}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.guarantee-item{display:flex;gap:13px;align-items:flex-start}
.guarantee-icon{color:var(--teal);font-size:22px;line-height:1}.guarantee-item strong{display:block;font-size:14px}.guarantee-item span{font-size:12px;color:var(--ink-soft)}
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.feature{border:1px solid var(--line);background:#fff;padding:25px;border-radius:var(--radius);min-height:175px}
.feature.large{grid-column:span 5;background:#e7f0ed}.feature.mid{grid-column:span 4}.feature.small{grid-column:span 3;background:#f4e8e5}
.feature-index{font-size:12px;color:var(--coral);font-weight:800}.feature h3{margin:19px 0 8px;font-size:19px}.feature p{font-size:13px;color:var(--ink-soft)}
.scenes{background:#f0eeeb}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.scene{display:grid;grid-template-columns:180px 1fr;background:#fff;border:1px solid var(--line);min-height:145px}
.scene img{height:100%;min-height:145px}.scene-content{padding:20px}.scene h3{font-size:17px;margin-bottom:6px}.scene p{font-size:13px;color:var(--ink-soft)}
.trend-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.update-list{border-top:2px solid var(--ink)}
.update-row{display:grid;grid-template-columns:45px 1fr auto;align-items:center;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
.update-row .rank{font-size:22px;color:var(--coral);font-weight:800}.update-row h3{font-size:15px}.update-row p{font-size:12px;color:var(--ink-soft)}.update-time{font-size:12px;color:var(--ink-soft)}
.side-highlight{background:var(--plum);color:#fff;padding:28px;border-radius:10px}.side-highlight h3{font-size:22px;margin-bottom:12px}.side-highlight p{color:#eee6ee;font-size:14px}.side-highlight .btn{margin-top:22px}
.tag{display:inline-block;color:var(--teal);font-size:12px;font-weight:800}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.tags span{padding:3px 9px;background:var(--muted);border-radius:4px;font-size:12px;color:var(--ink-soft)}
.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--coral);font-size:20px}details[open] summary:after{content:"−"}details p{padding:12px 28px 0 0;color:var(--ink-soft);font-size:14px;max-width:850px}
.cta{background:var(--coral);color:#fff;padding:52px 0}.cta-layout{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{max-width:650px}.cta p{margin-top:8px;color:#ffe9e5}.cta .btn-secondary{border-color:#ffd0c8;color:#fff}.cta .btn-secondary:hover{color:var(--coral)}
.footer{background:var(--ink);color:#fff;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid #4d4850}.footer .brand{min-width:0;margin-bottom:12px}.footer p,.footer a{font-size:13px;color:#bdb5bc}.footer a:hover{color:#fff}.footer h3{font-size:14px;margin-bottom:12px}.footer-links{display:flex;flex-direction:column;gap:5px}.copyright{padding-top:20px;font-size:12px;color:#978f98;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){.hero-layout{gap:35px}.brand{min-width:270px}.header-search{width:210px}.feature.large,.feature.mid,.feature.small{grid-column:span 6}}
@media(max-width:768px){.container{width:min(100% - 32px,620px)}.topbar-note{display:none}.topbar-inner{justify-content:flex-end}.header-main{height:66px;gap:14px}.brand{min-width:0;flex:1}.brand-name{font-size:14px}.header-search{width:42px;margin:0}.header-search input{width:42px;padding:0;font-size:0}.search-icon{right:12px}.menu-button{display:block}.channel-nav{display:none}.channel-nav.open{display:block}.nav-inner{height:auto;padding:8px 0;overflow-x:auto}.nav-hot{display:none}.hero{padding:42px 0 48px}.hero-layout{grid-template-columns:1fr;gap:30px}h1{font-size:39px}.hero-copy{font-size:15px}.hero-media{min-height:260px}.hero-media img{height:225px}.profile-line{flex-wrap:wrap}.hero-stats{margin-left:0}.section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}.ladder,.compare-grid,.scene-grid,.trend-layout{grid-template-columns:1fr}.ladder-item{min-height:150px}.guarantee-grid{grid-template-columns:repeat(2,1fr);gap:20px}.feature-grid{display:block}.feature{margin-bottom:14px}.scene{grid-template-columns:125px 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){h1{font-size:32px;letter-spacing:-1px}.hero-actions .btn{width:100%}.hero-media{padding:10px}.hero-media img{height:210px}.media-caption{left:21px;bottom:22px;font-size:12px}.guarantee-grid{grid-template-columns:1fr}.scene{grid-template-columns:1fr}.scene img{height:150px}.update-row{grid-template-columns:34px 1fr}.update-time{display:none}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: category2 */
:root{
 --ink:#25222b;
 --ink-soft:#625d69;
 --paper:#f8f7f4;
 --surface:#fff;
 --line:#e8e3df;
 --coral:#e85d4a;
 --coral-dark:#bd4033;
 --teal:#168b83;
 --plum:#6d4c70;
 --yellow:#f2c76d;
 --muted:#f0eeeb;
 --radius:10px;
 --shadow:0 12px 32px rgba(48,35,39,.08);
 --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,247,244,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:330px;font-weight:800;letter-spacing:-.5px}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#fff;font-weight:900;font-size:19px}
.brand-name{font-size:17px}
.header-search{margin-left:auto;position:relative;width:255px}
.header-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 42px 0 14px;outline:none}
.header-search input:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(232,93,74,.12)}
.search-icon{position:absolute;right:12px;top:7px;color:var(--ink-soft);background:none;font-size:21px}
.menu-button{display:none;background:none;font-size:22px;color:var(--ink)}
.channel-nav{border-top:1px solid var(--line);overflow:auto}
.channel-nav::-webkit-scrollbar{display:none}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;white-space:nowrap}
.nav-link{padding:5px 15px;border-radius:5px;color:var(--ink-soft);font-size:14px;transition:.2s}
.nav-link:hover,.nav-link:focus{color:var(--coral);background:#fff}
.nav-link.active{background:var(--coral);color:#fff}
.nav-hot{margin-left:auto;color:var(--teal);font-size:13px}
.page-intro{padding:48px 0 34px;background:#e9e3dc;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--ink-soft);font-size:13px;margin-bottom:20px}
.breadcrumb a:hover{color:var(--coral)}
.breadcrumb strong{color:var(--coral-dark);font-weight:700}
.intro-grid{display:grid;grid-template-columns:1fr 390px;gap:48px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:700;margin-bottom:14px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.5vw,58px);line-height:1.18;letter-spacing:-1.5px;margin-bottom:18px}
h2{font-size:30px;line-height:1.3;margin-bottom:11px;letter-spacing:-.7px}
h3{line-height:1.4;margin-bottom:8px}
.intro-copy{max-width:720px;color:var(--ink-soft);font-size:16px;margin-bottom:0}
.quick-search{background:var(--surface);border:1px solid var(--line);padding:8px;display:flex;gap:8px;border-radius:8px;box-shadow:0 7px 18px rgba(48,35,39,.05)}
.quick-search input{min-width:0;flex:1;border:0;padding:8px 10px;outline:0;background:transparent}
.quick-search button{background:var(--ink);color:#fff;border-radius:5px;padding:0 17px;font-weight:700}
.quick-search button:hover{background:var(--coral)}
.section{padding:64px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}
.section-kicker{font-size:12px;letter-spacing:1px;color:var(--teal);font-weight:800;margin-bottom:7px}
.section-intro{max-width:590px;color:var(--ink-soft);margin-bottom:0}
.text-link{color:var(--coral-dark);font-weight:700;font-size:13px}
.text-link:hover{text-decoration:underline}
.feature-strip{display:grid;grid-template-columns:1.25fr repeat(2,1fr);gap:16px}
.media-card{position:relative;min-height:250px;overflow:hidden;border-radius:var(--radius);background:#302c39;color:#fff;border:1px solid rgba(37,34,43,.16)}
.media-card:first-child{min-height:310px}
.media-card .thumb{height:100%;min-height:250px;position:absolute;inset:0}
.thumb{background:#4c3c55;position:relative;overflow:hidden}
.thumb:before{content:"";position:absolute;width:45%;height:140%;top:-20%;right:8%;background:#e85d4a;transform:rotate(18deg);opacity:.84}
.thumb:after{content:"";position:absolute;width:55%;height:40%;bottom:0;left:0;background:#168b83;opacity:.8}
.thumb.warm{background:#594143}.thumb.warm:before{background:#f2c76d}.thumb.warm:after{background:#bd4033}
.thumb.teal{background:#263e43}.thumb.teal:before{background:#6d4c70}.thumb.teal:after{background:#f2c76d}
.thumb-label{position:absolute;z-index:1;left:20px;top:18px;font-size:12px;color:#fff;border:1px solid rgba(255,255,255,.55);padding:3px 8px;border-radius:4px}
.media-card .media-content{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:28px 22px 20px;background:linear-gradient(transparent,rgba(37,34,43,.94) 58%)}
.media-card h3{font-size:21px;margin:15px 0 6px}
.media-card p{font-size:13px;color:#e9e2e6;margin-bottom:11px}
.media-meta{display:flex;gap:12px;align-items:center;color:#d9cbd0;font-size:12px}
.media-meta .tag{color:var(--yellow)}
.badge{display:inline-block;padding:3px 8px;border-radius:4px;background:var(--muted);color:var(--teal);font-size:12px;font-weight:700}
.badge.hot{background:#f8ddd7;color:var(--coral-dark)}
.badge.new{background:#dcefeb;color:#16746e}
.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}
.filter-label{font-size:13px;color:var(--ink-soft);font-weight:700;margin-right:5px}
.filter-btn{padding:7px 13px;border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--ink-soft);font-size:13px;transition:.2s}
.filter-btn:hover,.filter-btn:focus{border-color:var(--coral);color:var(--coral)}
.filter-btn.active{background:var(--teal);border-color:var(--teal);color:#fff}
.update-layout{display:grid;grid-template-columns:1fr 330px;gap:42px}
.update-stream{border-top:2px solid var(--ink)}
.update-item{display:grid;grid-template-columns:108px 1fr auto;gap:18px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.update-thumb{height:74px;border-radius:6px;overflow:hidden}
.update-thumb .thumb{min-height:74px}
.update-item h3{font-size:16px;margin-bottom:4px}
.update-item p{font-size:13px;color:var(--ink-soft);margin-bottom:5px}
.item-meta{font-size:12px;color:#8b838c}
.item-action{font-size:13px;color:var(--coral-dark);font-weight:700;white-space:nowrap}
.item-action:hover{color:var(--teal)}
.side-panel{background:#302c39;color:#fff;padding:25px 23px;border-radius:9px}
.side-panel h3{font-size:20px;margin-bottom:6px}
.side-panel>p{font-size:13px;color:#d5ccd2;margin-bottom:18px}
.rank-list{list-style:none;padding:0;margin:0}
.rank-list li{display:grid;grid-template-columns:27px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid #514b55}
.rank-list li:last-child{border-bottom:0}
.rank-no{font-size:18px;color:var(--yellow);font-weight:800}
.rank-list strong{display:block;font-size:14px}
.rank-list small{display:block;color:#bfb4bc;font-size:11px}
.rank-list em{font-style:normal;color:#e8a399;font-size:12px}
.index-section{background:#e7f0ed}
.index-layout{display:grid;grid-template-columns:1fr 1.45fr;gap:58px;align-items:start}
.index-copy p{color:var(--ink-soft);max-width:450px}
.index-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.index-link{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid #d7e2df;border-radius:7px;padding:15px 16px;transition:.2s}
.index-link:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow)}
.index-link span{font-size:14px;font-weight:700}
.index-link small{font-size:12px;color:var(--teal)}
.faq{max-width:850px;margin:auto}
.faq details{border-top:1px solid var(--line);padding:19px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"＋";color:var(--coral);font-size:21px;line-height:1}
.faq details[open] summary:after{content:"－"}
.faq details p{color:var(--ink-soft);font-size:14px;max-width:760px;margin:12px 30px 0 0}
.cta{background:var(--plum);color:#fff;padding:48px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta h2{margin-bottom:8px}
.cta p{color:#e8dfe8;margin:0;max-width:650px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:0 20px;border-radius:6px;font-size:14px;font-weight:700;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 7px 15px rgba(189,64,51,.2)}
.btn-light{background:#fff;color:var(--plum)}
.btn-light:hover{background:var(--yellow);color:var(--ink);transform:translateY(-2px)}
.btn-secondary{border-color:#bcb2ae;color:var(--ink);background:transparent}
.btn:focus,input:focus,summary:focus{outline:3px solid rgba(22,139,131,.25);outline-offset:2px}
.footer{background:var(--ink);color:#fff;padding:45px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
.footer .brand{min-width:0}
.footer .brand-name{font-size:16px}
.footer p{color:#c9c2c7;font-size:13px;max-width:350px;margin:17px 0 0}
.footer h3{font-size:14px;color:var(--yellow);margin:4px 0 14px}
.footer-links{display:flex;flex-direction:column;gap:7px;color:#d7d0d4;font-size:13px}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid #48414b;margin-top:35px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#a9a1a8;font-size:12px}
.back-top{display:inline-block;margin-top:22px;color:#f2c76d;font-size:13px}
@media(max-width:1024px){
 .brand{min-width:270px}.header-main{gap:16px}
 .intro-grid{grid-template-columns:1fr 330px}.feature-strip{grid-template-columns:1fr 1fr}
 .media-card:first-child{grid-column:span 2}.update-layout{gap:25px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .header-main{height:68px}.brand{min-width:0;flex:1}.brand-name{font-size:15px}
 .header-search{width:190px}.channel-nav{display:block}.nav-inner{height:45px}
 .nav-hot{display:none}.intro-grid,.update-layout,.index-layout{grid-template-columns:1fr}
 .page-intro{padding:35px 0 30px}.intro-grid{gap:22px}
 .feature-strip{grid-template-columns:1fr}.media-card:first-child{grid-column:auto}
 .section{padding:48px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}
 .update-item{grid-template-columns:88px 1fr}.item-action{grid-column:2}
 .cta-inner{display:block}.cta .btn{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:span 2}
 .copyright{display:block}.copyright span{display:block;margin-bottom:6px}
}
@media(max-width:480px){
 .container{width:calc(100% - 24px)}
 .header-search{width:145px}.header-search input{height:36px;font-size:12px}
 .brand-mark{width:34px;height:34px;font-size:17px}.brand-name{font-size:13px;line-height:1.3}
 h1{font-size:34px}.intro-copy{font-size:14px}
 .feature-strip{gap:12px}.media-card,.media-card:first-child{min-height:265px}
 .filter-row{gap:7px}.filter-label{width:100%}
 .update-item{grid-template-columns:74px 1fr;gap:12px}.update-item h3{font-size:14px}
 .update-thumb{height:62px}.update-thumb .thumb{min-height:62px}
 .index-links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
 .menu-button{display:block}.header-search{margin-left:0}.channel-nav .nav-inner{overflow-x:auto}
}

/* roulang page: category1 */
:root{
 --ink:#25222b;
 --ink-soft:#625d69;
 --paper:#f8f7f4;
 --surface:#fff;
 --line:#e8e3df;
 --coral:#e85d4a;
 --coral-dark:#bd4033;
 --teal:#168b83;
 --plum:#6d4c70;
 --yellow:#f2c76d;
 --muted:#f0eeeb;
 --radius:10px;
 --shadow:0 12px 32px rgba(48,35,39,.08);
 --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.3}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:42px;background:var(--ink);color:#fff;font-size:12px}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar-note{opacity:.78}
.topbar-tools{display:flex;gap:20px;color:#e9d8d4}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,247,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-main{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:330px;font-weight:800;letter-spacing:-.5px}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#fff;font-weight:900;font-size:19px}
.brand-name{font-size:17px}
.header-search{margin-left:auto;position:relative;width:255px}
.header-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 42px 0 14px;outline:none;color:var(--ink)}
.header-search input:focus,.filter-search input:focus,.filter-select:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(232,93,74,.12);outline:none}
.search-icon{position:absolute;right:12px;top:7px;background:transparent;color:var(--ink-soft);font-size:21px;line-height:1}
.search-icon:hover{color:var(--coral)}
.menu-button{display:none;background:none;font-size:22px;color:var(--ink)}
.channel-nav{border-top:1px solid var(--line);overflow:auto}
.channel-nav::-webkit-scrollbar{display:none}
.nav-inner{display:flex;align-items:center;gap:6px;height:48px;white-space:nowrap}
.nav-link{padding:5px 15px;border-radius:5px;color:var(--ink-soft);font-size:14px;transition:.2s}
.nav-link:hover,.nav-link:focus{color:var(--coral);background:#fff}
.nav-link.active{background:var(--coral);color:#fff}
.nav-hot{margin-left:auto;color:var(--teal);font-size:13px}
.page-hero{padding:42px 0 48px;background:#e9e3dc;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--ink-soft);font-size:13px;margin-bottom:23px}
.breadcrumb a:hover{color:var(--coral)}
.breadcrumb .current{color:var(--coral-dark);font-weight:700}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:56px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:700;margin-bottom:14px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
.page-hero h1{font-size:clamp(30px,4vw,52px);max-width:760px;margin-bottom:18px;letter-spacing:-1px}
.page-summary{max-width:720px;color:var(--ink-soft);font-size:16px;margin-bottom:26px}
.hero-search{padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}
.hero-search form{display:flex;gap:8px}
.hero-search input{min-width:0;flex:1;border:0;outline:0;padding:7px 10px;color:var(--ink)}
.search-submit{background:var(--teal);color:#fff;border-radius:5px;padding:0 17px;font-weight:700}
.search-submit:hover{background:#0e6f69}
.hero-note{display:flex;gap:10px;align-items:center;margin-top:14px;color:var(--ink-soft);font-size:12px}
.status-dot{width:8px;height:8px;background:var(--teal);border-radius:50%;display:inline-block}
.hero-index{background:var(--plum);color:#fff;padding:26px 27px;border-radius:10px;min-height:190px}
.hero-index .index-label{color:var(--yellow);font-size:12px;font-weight:800;letter-spacing:1px}
.hero-index h2{font-size:23px;margin:13px 0 8px}
.hero-index p{font-size:13px;color:#eee6ee;margin-bottom:15px}
.index-line{height:1px;background:rgba(255,255,255,.2);margin:15px 0}
.index-meta{display:flex;justify-content:space-between;font-size:12px;color:#d8ccd7}
.section{padding:70px 0}
.content-layout{display:grid;grid-template-columns:265px minmax(0,1fr);gap:34px;align-items:start}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-kicker{font-size:12px;letter-spacing:1px;color:var(--teal);font-weight:800;margin-bottom:7px}
.section-head h2{font-size:29px;margin-bottom:7px}
.section-intro{color:var(--ink-soft);max-width:620px;margin-bottom:0}
.filter-panel{background:var(--surface);border:1px solid var(--line);padding:21px 20px;border-radius:var(--radius);position:sticky;top:150px}
.filter-panel h2{font-size:18px;margin-bottom:17px}
.filter-group{padding:17px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-label{font-size:12px;color:var(--ink-soft);font-weight:800;margin-bottom:10px}
.filter-options{display:flex;flex-wrap:wrap;gap:7px}
.filter-options a{font-size:13px;padding:4px 9px;border-radius:5px;color:var(--ink-soft);background:var(--muted);transition:.2s}
.filter-options a:hover,.filter-options a:focus{color:var(--coral-dark);background:#f8e1dc}
.filter-options a.selected{background:var(--coral);color:#fff}
.filter-select{width:100%;height:38px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:5px;padding:0 9px}
.filter-tip{font-size:12px;color:var(--ink-soft);margin:18px 0 0;padding-top:16px;border-top:1px dashed var(--line)}
.result-head{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:0}
.result-head strong{font-size:15px}
.result-head span{font-size:12px;color:var(--ink-soft)}
.video-list{background:var(--surface);border-bottom:1px solid var(--line)}
.video-item{display:grid;grid-template-columns:190px minmax(0,1fr) auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.video-item:last-child{border-bottom:0}
.video-item:hover{background:#fffaf7}
.thumb{aspect-ratio:16/9;border-radius:7px;overflow:hidden;position:relative;background:#302c39;display:flex;align-items:flex-end;padding:12px;color:#fff}
.thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#403247 0 38%,#bf5949 38% 67%,#168b83 67%);opacity:.9}
.thumb:after{content:"播放";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border:1px solid rgba(255,255,255,.8);border-radius:50%;display:grid;place-items:center;font-size:12px;background:rgba(37,34,43,.35)}
.thumb-label{position:relative;z-index:1;font-size:12px;background:rgba(37,34,43,.75);padding:2px 7px;border-radius:3px}
.item-body{min-width:0}
.item-tag{display:inline-block;color:var(--teal);font-size:12px;font-weight:800;margin-bottom:7px}
.item-body h3{font-size:18px;margin-bottom:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-body p{font-size:13px;line-height:1.75;color:var(--ink-soft);margin-bottom:8px}
.item-meta{display:flex;gap:13px;color:#8b838d;font-size:12px;flex-wrap:wrap}
.item-action{white-space:nowrap}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:42px;padding:0 17px;border-radius:6px;font-size:13px;font-weight:700;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 7px 15px rgba(189,64,51,.2)}
.btn-secondary{border-color:#bcb2ae;color:var(--ink);background:transparent}
.btn-secondary:hover{background:#fff;border-color:var(--coral);color:var(--coral)}
.btn:focus,input:focus,summary:focus{outline:3px solid rgba(22,139,131,.25);outline-offset:2px}
.pagination{display:flex;justify-content:space-between;align-items:center;padding-top:22px;color:var(--ink-soft);font-size:13px}
.page-numbers{display:flex;gap:6px}
.page-number{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:5px;display:grid;place-items:center}
.page-number:hover{border-color:var(--coral);color:var(--coral)}
.page-number.active{background:var(--ink);border-color:var(--ink);color:#fff}
.related{background:#f0eeeb}
.related-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.related-card{background:#fff;border:1px solid var(--line);padding:22px;border-radius:8px;transition:.2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d5c5c0}
.related-card:first-child{background:var(--teal);color:#fff}
.related-card:first-child p,.related-card:first-child .text-link{color:#e5f4f0}
.related-card h3{font-size:19px;margin:12px 0 8px}
.related-card p{font-size:13px;color:var(--ink-soft);margin-bottom:0}
.text-link{display:inline-block;margin-top:15px;color:var(--coral-dark);font-weight:700;font-size:13px}
.faq-section{padding:70px 0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
.faq-layout h2{font-size:30px;margin-bottom:13px}
.faq-layout>div>p{color:var(--ink-soft)}
.faq-list{border-top:1px solid var(--ink)}
.faq-list details{border-bottom:1px solid var(--line);background:#fff}
.faq-list summary{list-style:none;padding:17px 20px;font-weight:700;cursor:pointer;position:relative;padding-right:48px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:20px;color:var(--coral);font-size:22px;font-weight:400;top:12px}
.faq-list details[open] summary:after{content:"−"}
.faq-list details[open] summary{color:var(--coral-dark)}
.faq-answer{padding:0 20px 18px;color:var(--ink-soft);font-size:14px}
.cta{padding:48px 0;background:var(--ink);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta h2{font-size:28px;margin-bottom:8px}
.cta p{color:#d6cfd4;margin:0;max-width:690px}
.cta .btn-secondary{border-color:#81757d;color:#fff}
.cta .btn-secondary:hover{background:#fff;color:var(--ink)}
.footer{background:#302c39;color:#fff;padding:45px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
.footer .brand{min-width:0;margin-bottom:15px}
.footer .brand-name{font-size:16px}
.footer p{color:#c9c2c7;font-size:13px;max-width:420px}
.footer h3{font-size:14px;margin:5px 0 14px}
.footer-links{display:flex;flex-direction:column;gap:7px;color:#c9c2c7;font-size:13px}
.footer-links a:hover{color:var(--yellow)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #514b55;margin-top:38px;padding-top:18px;color:#a99fa8;font-size:12px}
@media(max-width:1024px){
 .brand{min-width:260px}
 .page-hero-grid{gap:30px}
 .content-layout{grid-template-columns:225px minmax(0,1fr);gap:24px}
 .video-item{grid-template-columns:160px minmax(0,1fr) auto;gap:15px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .topbar{display:none}
 .header-main{height:68px;gap:12px}
 .brand{min-width:0;flex:1}
 .brand-name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .brand-mark{width:34px;height:34px;font-size:17px}
 .header-search{width:42px;margin-left:0}
 .header-search input{width:42px;padding:0 34px 0 10px;color:transparent;cursor:pointer}
 .search-icon{right:10px}
 .menu-button{display:block}
 .nav-inner{height:44px;gap:2px}
 .nav-link{font-size:13px;padding:4px 10px}
 .nav-hot{display:none}
 .page-hero{padding:32px 0 38px}
 .page-hero-grid{grid-template-columns:1fr;gap:25px}
 .page-hero h1{font-size:34px}
 .hero-index{min-height:auto}
 .section{padding:48px 0}
 .content-layout{grid-template-columns:1fr}
 .filter-panel{position:static}
 .filter-group{display:inline-block;vertical-align:top;width:49%;border-top:0;padding:8px 8px 8px 0}
 .filter-panel h2{margin-bottom:8px}
 .filter-tip{margin-top:8px}
 .video-item{grid-template-columns:145px minmax(0,1fr);gap:14px}
 .item-action{grid-column:2}
 .item-action .btn{min-height:35px}
 .item-body h3{font-size:16px}
 .related-grid{grid-template-columns:1fr 1fr}
 .related-card:first-child{grid-column:span 2}
 .faq-layout{grid-template-columns:1fr;gap:25px}
 .cta-inner{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-grid>div:first-child{grid-column:span 2}
 .copyright{flex-direction:column;gap:5px}
}
@media(max-width:480px){
 .container{width:calc(100% - 24px)}
 .page-hero h1{font-size:29px}
 .page-summary{font-size:14px}
 .hero-search form{display:grid;grid-template-columns:1fr auto}
 .video-item{grid-template-columns:112px minmax(0,1fr);gap:11px;padding:16px 0}
 .thumb{padding:7px}
 .thumb:after{width:34px;height:34px;font-size:11px}
 .thumb-label{font-size:10px}
 .item-body h3{font-size:14px;white-space:normal;line-height:1.45}
 .item-body p{font-size:12px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .item-meta{font-size:11px;gap:7px}
 .item-action{grid-column:1 / -1}
 .item-action .btn{width:100%}
 .filter-group{width:100%;padding-right:0}
 .result-head{align-items:flex-start;flex-direction:column;gap:4px}
 .pagination{align-items:flex-start;flex-direction:column;gap:15px}
 .related-grid{grid-template-columns:1fr}
 .related-card:first-child{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
 .footer{padding-top:35px}
}