/* roulang page: index */
:root{
  --c-primary:#F4588C;
  --c-primary-h:#FF7BA8;
  --c-primary-a:#D93C72;
  --c-cyan:#37D6C0;
  --c-violet:#9B6BFF;
  --bg:#0F0D14;
  --panel:#171323;
  --card:#1E1930;
  --light:#FBF6F8;
  --light-card:#FFFFFF;
  --tx:#E6E1EC;
  --tx-2:#A9A2B8;
  --tx-l:#2A2430;
  --tx-l2:#6B6377;
  --line:rgba(255,255,255,.08);
  --line-l:rgba(42,36,48,.10);
  --r-card:14px;
  --r-big:18px;
  --r-input:10px;
  --shadow-d:0 8px 28px rgba(0,0,0,.45);
  --shadow-l:0 1px 2px rgba(42,36,48,.06),0 8px 24px rgba(42,36,48,.06);
  --neon:linear-gradient(90deg,#F4588C 0%,#9B6BFF 100%);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}

::-webkit-scrollbar{height:8px;width:8px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.04)}
::-webkit-scrollbar-thumb{background:rgba(244,88,140,.5);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(244,88,140,.8)}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:1023px){.wrap{padding-left:24px;padding-right:24px}}
@media (max-width:639px){.wrap{padding-left:16px;padding-right:16px}}

.sec{padding:88px 0}
@media (max-width:1023px){.sec{padding:64px 0}}
@media (max-width:639px){.sec{padding:52px 0}}
.sec-dark{background:var(--bg);color:var(--tx)}
.sec-panel{background:var(--panel);color:var(--tx)}
.sec-light{background:var(--light);color:var(--tx-l)}
.sec-light .sec-title{color:var(--tx-l)}
.sec-light .sec-lead{color:var(--tx-l2)}

.sec-head{margin-bottom:40px;max-width:860px}
@media (max-width:639px){.sec-head{margin-bottom:28px}}
.sec-title{
  position:relative;
  padding-left:18px;
  font-size:28px;
  line-height:1.34;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--tx);
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:7px;bottom:7px;
  width:4px;
  border-radius:3px;
  background:var(--neon);
}
@media (max-width:639px){
  .sec-title{font-size:22px;padding-left:14px}
  .sec-title::before{width:3px;top:5px;bottom:5px}
}
.sec-lead{margin-top:14px;padding-left:18px;color:var(--tx-2);font-size:15px;line-height:1.85}
@media (max-width:639px){.sec-lead{padding-left:14px;font-size:14.5px}}

.site-header{position:sticky;top:0;z-index:80;background:#0F0D14;border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--neon)}
.nav-bar{display:flex;align-items:center;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;flex:0 0 auto;transition:opacity var(--ease)}
.logo:hover{opacity:.86}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#F4588C,#9B6BFF);display:grid;place-items:center;color:#fff;box-shadow:0 0 16px rgba(244,88,140,.45)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;display:flex;align-items:center;height:64px;padding:0 14px;font-size:15px;color:var(--tx-2);transition:color var(--ease)}
.nav-link:hover{color:var(--tx)}
.nav-link.active{color:var(--c-primary);text-shadow:0 0 12px rgba(244,88,140,.55)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(244,88,140,.9)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--tx);align-items:center;justify-content:center}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media (max-width:1023px){
  .nav-list{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
}
.mobile-drawer{
  position:fixed;inset:64px 0 0 0;z-index:79;background:#0F0D14;
  padding:8px 0 32px;overflow-y:auto;display:none;
}
.mobile-drawer.is-open{display:block}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;font-size:16px;color:var(--tx);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--c-primary)}
.drawer-cta{padding:24px}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all var(--ease);white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(244,88,140,.28)}
.btn-primary:hover{background:var(--c-primary-h);transform:translateY(-1px);box-shadow:0 8px 24px rgba(244,88,140,.38)}
.btn-primary:active{background:var(--c-primary-a);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:rgba(244,88,140,.12);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(244,88,140,.2);transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.hero{position:relative;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,13,20,.82) 0%,rgba(15,13,20,.72) 42%,rgba(15,13,20,.96) 100%)}
.hero-inner{position:relative;z-index:2;padding-top:92px;padding-bottom:0}
@media (max-width:767px){.hero-inner{padding-top:56px}}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;letter-spacing:.4px;color:var(--c-cyan);
  padding:6px 14px;border-radius:999px;
  background:rgba(55,214,192,.12);border:1px solid rgba(55,214,192,.3);
}
.hero-title{
  margin-top:22px;
  font-size:48px;line-height:1.24;font-weight:700;color:#fff;
  letter-spacing:.4px;max-width:16em;
}
@media (max-width:1023px){.hero-title{font-size:38px}}
@media (max-width:639px){.hero-title{font-size:30px;max-width:none}}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.7;color:var(--c-primary);font-weight:600}
@media (max-width:639px){.hero-sub{font-size:16px}}
.hero-desc{margin-top:16px;max-width:760px;font-size:16px;line-height:1.85;color:var(--tx-2)}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.hero-play{display:inline-flex;align-items:center;gap:12px;color:var(--tx);font-size:14.5px;transition:color var(--ease)}
.hero-play:hover{color:var(--c-primary)}
.play-circle{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(244,88,140,.16);border:1px solid var(--c-primary);color:var(--c-primary);
  box-shadow:0 0 0 0 rgba(244,88,140,.4);transition:all var(--ease);
}
.hero-play:hover .play-circle{background:var(--c-primary);color:#fff;box-shadow:0 0 22px rgba(244,88,140,.55)}
.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
  background:rgba(15,13,20,.55);backdrop-filter:blur(4px);
}
@media (max-width:767px){
  .hero-stats{margin-top:36px;grid-template-columns:repeat(2,1fr)}
}
.hero-stats li{padding:22px 8px 24px;position:relative}
.hero-stats li::before{content:"";position:absolute;left:0;top:0;width:34px;height:2px;background:var(--neon)}
.hero-stats li + li{padding-left:26px}
@media (max-width:767px){
  .hero-stats li + li{padding-left:8px}
  .hero-stats li:nth-child(odd){padding-right:14px}
  .hero-stats li:nth-child(even){padding-left:14px;border-left:1px solid var(--line)}
  .hero-stats li:nth-child(n+3){border-top:1px solid var(--line)}
}
.stat-num{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--c-primary);letter-spacing:-.5px}
@media (max-width:639px){.stat-num{font-size:24px}}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:var(--tx-2)}

.entry-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  transition:all var(--ease);
}
.entry-card:hover{transform:translateY(-3px);border-color:rgba(244,88,140,.55);box-shadow:0 12px 32px rgba(244,88,140,.16)}
.entry-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(55,214,192,.13);color:var(--c-cyan);border:1px solid rgba(55,214,192,.28);
}
.entry-card:nth-child(even) .entry-ico{background:rgba(244,88,140,.13);color:var(--c-primary);border-color:rgba(244,88,140,.3)}
.entry-name{font-size:17px;font-weight:700;color:var(--tx)}
.entry-desc{font-size:14px;line-height:1.8;color:var(--tx-2)}

.rail{display:flex;gap:18px;overflow-x:auto;padding:4px 0 14px;scroll-snap-type:x mandatory}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  padding:20px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  transition:all var(--ease);
}
@media (max-width:639px){.rail-card{flex:0 0 260px}}
.rail-card:hover{border-color:rgba(244,88,140,.5)}
.rail-time{display:inline-block;font-size:12.5px;color:var(--c-cyan);letter-spacing:.3px;margin-bottom:10px}
.rail-card h3{font-size:16px;font-weight:700;line-height:1.6;color:var(--tx);margin-bottom:8px}
.rail-card p{font-size:14px;line-height:1.78;color:var(--tx-2);margin:0}

.theme-card{
  border-radius:var(--r-big);overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  transition:all var(--ease);
}
.theme-card:hover{transform:translateY(-4px);border-color:rgba(244,88,140,.6);box-shadow:0 14px 34px rgba(244,88,140,.16)}
.theme-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#241E3A}
.theme-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.theme-card:hover .theme-thumb img{transform:scale(1.05)}
.theme-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,13,20,0) 45%,rgba(15,13,20,.75) 100%)}
.theme-body{padding:16px 16px 18px}
.theme-name{font-size:17px;font-weight:700;color:var(--tx);margin-bottom:8px}
.theme-desc{font-size:13.5px;line-height:1.75;color:var(--tx-2);margin:0}

.metric{position:relative;padding-top:18px}
.metric::before{content:"";position:absolute;left:0;top:0;width:40px;height:2px;background:var(--neon)}
.metric-num{display:block;font-size:42px;font-weight:800;line-height:1.05;color:var(--c-primary);letter-spacing:-1px}
@media (max-width:1023px){.metric-num{font-size:34px}}
@media (max-width:639px){.metric-num{font-size:28px}}
.metric-label{display:block;margin-top:10px;font-size:14px;color:var(--tx-l2)}

.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1023px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (max-width:639px){.flow{grid-template-columns:1fr;gap:0}}
.flow-step{position:relative;padding:0 6px}
@media (max-width:639px){
  .flow-step{padding:0 0 26px 40px;border-left:1px dashed rgba(244,88,140,.4);margin-left:14px}
  .flow-step:last-child{border-left-color:transparent;padding-bottom:0}
}
.flow-step::after{
  content:"";position:absolute;top:17px;left:46px;right:-18px;height:0;
  border-top:1px dashed rgba(244,88,140,.42);
}
@media (max-width:1023px){.flow-step:nth-child(2n)::after{display:none}}
@media (max-width:639px){.flow-step::after{display:none}}
.flow-dot{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:rgba(244,88,140,.14);border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:14.5px;font-weight:700;margin-bottom:16px;
}
@media (max-width:639px){
  .flow-dot{position:absolute;left:-17px;top:0;margin:0;background:var(--bg)}
}
.flow-step h3{font-size:17px;font-weight:700;color:var(--tx);margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.8;color:var(--tx-2);margin:0}

.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1023px){.work-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
@media (max-width:639px){.work-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
.work-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--card);border:1px solid var(--line);transition:all var(--ease);
}
.work-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:0 14px 32px rgba(0,0,0,.5)}
.work-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#241E3A}
.work-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.work-card:hover .work-thumb img{transform:scale(1.04)}
.work-badge{
  position:absolute;left:10px;top:10px;z-index:2;
  padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(15,13,20,.82);color:var(--c-primary);border:1px solid rgba(244,88,140,.5);
}
.work-state{
  position:absolute;right:10px;bottom:10px;z-index:2;
  padding:3px 9px;border-radius:999px;font-size:12px;
  background:rgba(55,214,192,.9);color:#08302B;font-weight:700;
}
.work-body{padding:14px 14px 16px}
.work-name{font-size:15.5px;font-weight:700;color:var(--tx);line-height:1.55;margin-bottom:10px}
.work-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{
  display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;line-height:1.6;
  background:rgba(55,214,192,.14);color:var(--c-cyan);
}
.tag-pink{background:rgba(244,88,140,.14);color:var(--c-primary)}
.work-hidden{display:none}
.more-wrap{margin-top:34px;display:flex;justify-content:center}

.topic-card{
  display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;
  border-radius:var(--r-big);background:var(--card);border:1px solid var(--line);
  transition:all var(--ease);
}
.topic-card:hover{border-color:rgba(244,88,140,.55);box-shadow:0 14px 36px rgba(244,88,140,.14)}
@media (max-width:767px){.topic-card{grid-template-columns:1fr}}
.topic-media{position:relative;min-height:230px;overflow:hidden;background:#241E3A}
.topic-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform 320ms ease-out}
.topic-card:hover .topic-media img{transform:scale(1.04)}
.topic-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
@media (max-width:639px){.topic-body{padding:22px 20px}}
.topic-body h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--tx)}
.topic-body p{font-size:14.5px;line-height:1.85;color:var(--tx-2);margin:0}
.topic-body .btn{align-self:flex-start;margin-top:6px}

.tabs{display:inline-flex;gap:6px;padding:5px;border-radius:999px;background:var(--card);border:1px solid var(--line);margin-bottom:28px}
.tab-btn{
  padding:9px 24px;border-radius:999px;border:none;background:transparent;
  color:var(--tx-2);font-size:15px;font-weight:600;transition:all var(--ease);
}
.tab-btn:hover{color:var(--tx)}
.tab-btn.is-active{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(244,88,140,.34)}
.tab-panel{display:none}
.tab-panel.is-active{display:block}
.rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
@media (max-width:767px){.rank-list{grid-template-columns:1fr;gap:0}}
.rank-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.rank-no{flex:0 0 34px;font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:-.5px}
.rank-thumb{flex:0 0 48px;width:48px;height:64px;border-radius:8px;object-fit:cover;background:#241E3A}
.rank-main{flex:1 1 auto;min-width:0}
.rank-name{display:block;font-size:15px;font-weight:600;color:var(--tx);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-meta{margin-top:5px;display:flex;gap:6px;flex-wrap:wrap}
.rank-val{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--c-cyan)}

.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
@media (max-width:767px){
  .cal-grid{display:flex;overflow-x:auto;gap:12px;padding-bottom:12px;scroll-snap-type:x mandatory}
  .cal-cell{flex:0 0 118px;scroll-snap-align:start}
}
.cal-cell{
  padding:18px 12px;border-radius:var(--r-card);text-align:center;
  background:var(--card);border:1px solid var(--line);transition:all var(--ease);
}
.cal-cell:hover{background:#261F3C;border-color:var(--c-primary);transform:translateY(-3px)}
.cal-day{display:block;font-size:13.5px;color:var(--tx-2)}
.cal-num{display:block;margin-top:8px;font-size:26px;font-weight:800;color:var(--c-primary);line-height:1.1}
.cal-unit{display:block;margin-top:6px;font-size:12px;color:var(--tx-2)}

.editor-media{position:relative;border-radius:var(--r-big);overflow:hidden;border:1px solid rgba(244,88,140,.35);box-shadow:0 18px 40px rgba(42,36,48,.14)}
.editor-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.sec-light .editor-copy p{color:var(--tx-l2);font-size:15.5px;line-height:1.88}
.bullet-list{margin-top:20px;display:grid;gap:12px}
.bullet-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.8;color:var(--tx-l)}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;
  background:var(--neon);
}

.review-card{
  padding:24px;border-radius:var(--r-card);background:var(--light-card);
  border:1px solid var(--line-l);box-shadow:var(--shadow-l);height:100%;
  transition:all var(--ease);
}
.review-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(42,36,48,.12)}
.review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.review-name{font-size:15px;font-weight:700;color:var(--tx-l)}
.stars{font-size:13.5px;color:var(--c-primary);letter-spacing:2px}
.review-text{font-size:14.5px;line-height:1.85;color:var(--tx-l2);margin:0}

.news-list{display:grid;gap:0}
.news-item{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line);transition:all var(--ease)}
.news-item:first-child{border-top:1px solid var(--line)}
.news-item:hover{padding-left:6px}
@media (max-width:639px){.news-item{gap:16px;padding:18px 0}}
.news-date{
  flex:0 0 76px;text-align:center;padding:12px 0;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
}
.news-date span{display:block;font-size:19px;font-weight:800;color:var(--c-primary);line-height:1.2}
.news-date em{display:block;font-size:11.5px;font-style:normal;color:var(--tx-2);margin-top:4px}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.6;margin-bottom:8px}
.news-body h3 a{color:var(--tx);transition:color var(--ease)}
.news-body h3 a:hover{color:var(--c-primary)}
.news-body p{font-size:14px;line-height:1.82;color:var(--tx-2);margin:0}

.device-card{
  padding:26px 22px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);transition:all var(--ease);
}
.device-card:hover{border-color:rgba(55,214,192,.5);transform:translateY(-3px)}
.device-ico{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(55,214,192,.13);color:var(--c-cyan);margin-bottom:16px}
.device-card h3{font-size:16px;font-weight:700;color:var(--tx);margin-bottom:8px}
.device-card p{font-size:13.8px;line-height:1.8;color:var(--tx-2);margin:0}

.cat-pill{
  display:flex;align-items:center;gap:18px;padding:16px 24px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);transition:all var(--ease);
}
.cat-pill:hover{border-color:var(--c-primary);background:#241E3A;transform:translateY(-2px);box-shadow:0 12px 30px rgba(244,88,140,.16)}
@media (max-width:639px){.cat-pill{flex-wrap:wrap;border-radius:var(--r-card);padding:16px}}
.cat-pill-thumb{width:56px;height:56px;border-radius:50%;object-fit:cover;flex:0 0 auto;border:1px solid rgba(244,88,140,.4)}
.cat-pill-text{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;min-width:0}
.cat-pill-text strong{font-size:17px;font-weight:700;color:var(--tx)}
.cat-pill-text em{font-style:normal;font-size:13.5px;color:var(--tx-2)}
.cat-pill-go{flex:0 0 auto;font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap}

.partner-row{display:flex;flex-wrap:wrap;gap:12px}
.partner-pill{
  padding:10px 20px;border-radius:999px;font-size:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  color:var(--tx-2);filter:grayscale(1);transition:all var(--ease);
}
.partner-pill:hover{filter:grayscale(0);color:var(--c-primary);border-color:rgba(244,88,140,.5);background:rgba(244,88,140,.08)}

.faq{border-radius:var(--r-card);background:var(--card);border:1px solid var(--line);margin-bottom:12px;overflow:hidden;transition:all var(--ease)}
.faq[open]{background:#241E3A;border-color:rgba(244,88,140,.45)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--tx);
  display:flex;align-items:center;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--c-primary)}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--tx-2);border-bottom:2px solid var(--tx-2);
  transform:translateY(-70%) rotate(45deg);transition:transform 220ms ease-out;
}
.faq[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary)}
.faq-body{padding:0 22px 20px 22px}
.faq-body p{font-size:14.5px;line-height:1.85;color:var(--tx-2);margin:0}

.guard-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-big);overflow:hidden;
  background:var(--light-card);border:1px solid var(--line-l);box-shadow:var(--shadow-l);
}
@media (max-width:767px){.guard-bar{grid-template-columns:repeat(2,1fr)}}
.guard-item{display:flex;align-items:center;gap:12px;padding:22px 24px;color:var(--tx-l);font-size:14.5px;font-weight:600}
.guard-item + .guard-item{border-left:1px solid var(--line-l)}
@media (max-width:767px){
  .guard-item:nth-child(odd){border-left:none}
  .guard-item:nth-child(n+3){border-top:1px solid var(--line-l)}
}
.guard-ico{color:var(--c-primary);flex:0 0 auto}

.cta-panel{
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
  padding:48px;border-radius:var(--r-big);
  background:linear-gradient(135deg,#1E1930 0%,#171323 60%,#221A38 100%);
  border:1px solid rgba(244,88,140,.28);
  box-shadow:0 18px 50px rgba(0,0,0,.5);
}
@media (max-width:1023px){.cta-panel{grid-template-columns:1fr;gap:32px;padding:36px 28px}}
@media (max-width:639px){.cta-panel{padding:28px 20px}}
.cta-copy h2{font-size:26px;font-weight:700;line-height:1.4;color:#fff;margin-bottom:14px}
@media (max-width:639px){.cta-copy h2{font-size:21px}}
.cta-copy p{font-size:15px;line-height:1.85;color:var(--tx-2);margin:0}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.field label{font-size:13.5px;font-weight:600;color:var(--tx)}
.field input{
  height:48px;padding:0 16px;border-radius:var(--r-input);
  background:rgba(15,13,20,.7);border:1px solid var(--line);color:var(--tx);
  font-size:15px;font-family:inherit;transition:all var(--ease);
}
.field input::placeholder{color:#6E6684}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(244,88,140,.18)}
.cta-form .btn{width:100%;margin-top:6px}
.form-tip{margin-top:12px;font-size:13.5px;color:var(--c-cyan);min-height:20px}

.site-footer{background:#0F0D14;padding-top:72px;position:relative;color:var(--tx)}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--neon)}
.footer-col h3{font-size:15px;font-weight:700;color:var(--tx);margin-bottom:18px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--tx-2);margin:0}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:14px;color:var(--tx-2);transition:color var(--ease)}
.footer-col li a:hover{color:var(--c-primary)}
.footer-line{margin:48px 0 24px;height:1px;background:linear-gradient(90deg,rgba(244,88,140,.7),rgba(155,107,255,.5),rgba(255,255,255,.04))}
.footer-copy{font-size:13.5px;line-height:1.9;color:var(--tx-2);padding-bottom:36px;margin:0}
.footer-copy a{color:var(--tx-2)}
.footer-copy a:hover{color:var(--c-primary)}

.fade-up{animation:fadeUp 320ms ease-out both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* roulang page: category1 */
:root{
 --c-primary:#F4588C;
 --c-primary-h:#FF7BA8;
 --c-primary-a:#D93C72;
 --c-cyan:#37D6C0;
 --c-violet:#9B6BFF;
 --bg:#0F0D14;
 --panel:#171323;
 --card:#1E1930;
 --light:#FBF6F8;
 --light-card:#FFFFFF;
 --tx:#E6E1EC;
 --tx-2:#A9A2B8;
 --tx-l:#2A2430;
 --tx-l2:#6B6377;
 --line:rgba(255,255,255,.08);
 --line-l:rgba(42,36,48,.10);
 --r-card:14px;
 --r-big:18px;
 --r-input:10px;
 --shadow-d:0 8px 28px rgba(0,0,0,.45);
 --shadow-l:0 1px 2px rgba(42,36,48,.06),0 8px 24px rgba(42,36,48,.06);
 --neon:linear-gradient(90deg,#F4588C 0%,#9B6BFF 100%);
 --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;background:var(--bg);color:var(--tx);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:1023px){.wrap{padding:0 24px}}
@media (max-width:639px){.wrap{padding:0 16px}}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#0F0D14;border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--neon)}
.nav-bar{display:flex;align-items:center;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;flex:0 0 auto;transition:opacity var(--ease)}
.logo:hover{opacity:.86}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#F4588C,#9B6BFF);display:grid;place-items:center;color:#fff;box-shadow:0 0 16px rgba(244,88,140,.45)}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;display:flex;align-items:center;height:64px;padding:0 14px;font-size:15px;color:var(--tx-2);transition:color var(--ease)}
.nav-link:hover{color:var(--tx)}
.nav-link.active{color:var(--c-primary);text-shadow:0 0 12px rgba(244,88,140,.55)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(244,88,140,.9)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--tx);align-items:center;justify-content:center;transition:all var(--ease)}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.menu-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.mobile-drawer{position:fixed;inset:64px 0 0 0;z-index:79;background:#0F0D14;padding:8px 0 32px;overflow-y:auto;display:none}
.mobile-drawer.is-open{display:block}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;font-size:16px;color:var(--tx);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--c-primary);text-shadow:0 0 12px rgba(244,88,140,.5)}
.drawer-cta{padding:24px}
@media (max-width:1023px){
 .nav-list{display:none}
 .nav-cta{display:none}
 .menu-toggle{display:flex}
}
@media (min-width:1024px){
 .mobile-drawer{display:none!important}
}
@media (max-width:639px){
 .nav-bar{height:56px}
 .mobile-drawer{inset:56px 0 0 0}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:all var(--ease);white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(244,88,140,.28)}
.btn-primary:hover{background:var(--c-primary-h);transform:translateY(-1px);box-shadow:0 8px 24px rgba(244,88,140,.38)}
.btn-primary:active{background:var(--c-primary-a);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:rgba(244,88,140,.12);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(244,88,140,.2);transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 分类头图 ---------- */
.cat-hero{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.cat-hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,13,20,.86) 0%,rgba(15,13,20,.78) 48%,rgba(15,13,20,.97) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding-top:30px;padding-bottom:44px}
.crumb{font-size:13px;color:var(--tx-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--tx-2);transition:color var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.5}
.crumb-cur{color:var(--tx)}
.cat-title{margin-top:20px;font-size:44px;line-height:1.25;font-weight:700;color:#fff;letter-spacing:.4px}
.cat-title span{color:var(--c-primary)}
.cat-lead{margin-top:12px;font-size:16px;color:var(--tx-2);max-width:640px}
.cat-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.cat-meta li{font-size:13px;padding:5px 13px;border-radius:999px;color:var(--c-cyan);background:rgba(55,214,192,.12);border:1px solid rgba(55,214,192,.28)}
@media (max-width:1023px){.cat-title{font-size:34px}}
@media (max-width:639px){.cat-hero-inner{padding-top:22px;padding-bottom:30px}.cat-title{font-size:30px}.cat-lead{font-size:15px}}

/* ---------- 粘性筛选条 ---------- */
.filter-bar{position:sticky;top:64px;z-index:60;background:rgba(23,19,35,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:18px;height:64px}
.pill-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.pill-scroll::-webkit-scrollbar{display:none}
.filter-label{font-size:13px;color:var(--tx-2);flex:0 0 auto}
.pill{scroll-snap-align:start;flex:0 0 auto;height:32px;padding:0 14px;border-radius:999px;font-size:13.5px;color:var(--tx-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:all var(--ease)}
.pill:hover{color:#fff;border-color:rgba(244,88,140,.55)}
.pill.is-on{color:#fff;background:rgba(244,88,140,.18);border-color:var(--c-primary);box-shadow:0 0 12px rgba(244,88,140,.28)}
.pill:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.sort-box{margin-left:auto;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.sort-box label{font-size:13px;color:var(--tx-2)}
.sort-box select{height:34px;padding:0 12px;border-radius:var(--r-input);background:#201b33;border:1px solid var(--line);font-size:13.5px;color:var(--tx);transition:all var(--ease)}
.sort-box select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(244,88,140,.18)}
@media (max-width:639px){
 .filter-bar{top:56px}
 .filter-inner{height:48px;gap:10px}
 .filter-label{display:none}
 .sort-box label{display:none}
 .sort-box select{height:30px;padding:0 8px;font-size:13px}
 .pill{height:30px;padding:0 12px;font-size:13px}
}

/* ---------- 板块通用 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-light{background:var(--light);color:var(--tx-l)}
.sec-title{position:relative;padding-left:18px;font-size:28px;line-height:1.34;font-weight:700;letter-spacing:.2px;color:var(--tx)}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;background:var(--neon)}
.sec-light .sec-title{color:var(--tx-l)}
.sec-lead{margin-top:14px;padding-left:18px;color:var(--tx-2);font-size:15px;line-height:1.85;max-width:840px}
.sec-light .sec-lead{color:var(--tx-l2)}
.sec-head{margin-bottom:40px}
@media (max-width:1023px){
 .sec{padding:72px 0}
 .sec-title{font-size:24px}
}
@media (max-width:639px){
 .sec{padding:48px 0}
 .sec-tight{padding:44px 0}
 .sec-title{font-size:22px;padding-left:14px}
 .sec-title::before{width:3px;top:5px;bottom:5px}
 .sec-lead{padding-left:14px;font-size:14.5px}
 .sec-head{margin-bottom:26px}
}

/* ---------- 作品栅格 ---------- */
.work-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.work-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:all var(--ease);display:flex;flex-direction:column}
.work-card:hover{transform:translateY(-3px);border-color:rgba(244,88,140,.6);box-shadow:var(--shadow-d)}
.work-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:#241d3a}
.work-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.work-card:hover .work-cover img{transform:scale(1.03)}
.badge-up{position:absolute;top:10px;left:10px;font-size:12px;padding:3px 9px;border-radius:999px;background:rgba(15,13,20,.74);border:1px solid rgba(55,214,192,.45);color:var(--c-cyan);backdrop-filter:blur(3px)}
.badge-done{border-color:rgba(255,255,255,.24);color:#fff}
.badge-new{border-color:rgba(244,88,140,.55);color:var(--c-primary-h)}
.work-body{padding:12px 14px 16px;display:flex;flex-direction:column;flex:1}
.work-name{font-size:16px;line-height:1.45;color:#fff}
.work-note{margin-top:6px;font-size:13px;color:var(--tx-2);line-height:1.65}
.tag-row{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;line-height:1.7;padding:1px 9px;border-radius:6px;background:rgba(55,214,192,.14);color:var(--c-cyan)}
@media (max-width:1023px){
 .work-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
}
@media (max-width:639px){
 .work-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .work-name{font-size:15px}
 .work-note{display:none}
 .work-body{padding:10px 11px 13px}
}

/* ---------- 查看更多 ---------- */
.more-row{margin-top:44px;display:flex;justify-content:center}
.more-row .btn{min-width:220px}
@media (max-width:639px){.more-row{margin-top:30px}.more-row .btn{width:100%;min-width:0}}

/* ---------- 分类说明（浅底） ---------- */
.note-panel{background:var(--light-card);border-radius:var(--r-big);box-shadow:var(--shadow-l);border:1px solid var(--line-l);padding:36px 40px}
.note-panel p{color:var(--tx-l2);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.note-panel p:last-child{margin-bottom:0}
.note-keys{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.note-keys li{font-size:13px;padding:5px 12px;border-radius:999px;background:rgba(244,88,140,.1);color:#B93367;border:1px solid rgba(244,88,140,.22)}
@media (max-width:639px){.note-panel{padding:22px 18px}}

/* ---------- 热门小榜 ---------- */
.rank-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-big);padding:8px 22px}
.rank-row{display:flex;align-items:center;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);transition:background var(--ease)}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:rgba(244,88,140,.05)}
.rank-no{flex:0 0 40px;font-size:24px;font-weight:700;color:var(--c-primary);line-height:1;font-variant-numeric:tabular-nums}
.rank-thumb{flex:0 0 auto;width:48px;height:64px;border-radius:8px;overflow:hidden;background:#241d3a}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-main{min-width:0;flex:1}
.rank-name{font-size:15.5px;font-weight:600;color:#fff;line-height:1.5}
.rank-tags{margin-top:5px;font-size:12.5px;color:var(--tx-2)}
.rank-val{flex:0 0 auto;font-size:15px;font-weight:700;color:var(--c-cyan);font-variant-numeric:tabular-nums}
@media (max-width:639px){
 .rank-list{padding:6px 14px}
 .rank-no{flex:0 0 28px;font-size:19px}
 .rank-thumb{width:40px;height:54px}
 .rank-val{font-size:14px}
}

/* ---------- 专题推荐 ---------- */
.topic-list{display:grid;gap:22px}
.topic-card{display:grid;grid-template-columns:minmax(0,40%) minmax(0,1fr);background:var(--card);border:1px solid var(--line);border-radius:var(--r-big);overflow:hidden;transition:all var(--ease)}
.topic-card:hover{border-color:rgba(244,88,140,.55);transform:translateY(-2px);box-shadow:var(--shadow-d)}
.topic-fig{position:relative;min-height:210px;background:#241d3a}
.topic-fig img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.topic-card:hover .topic-fig img{transform:scale(1.03)}
.topic-body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center}
.topic-title{font-size:20px;line-height:1.4;color:#fff}
.topic-desc{margin-top:10px;font-size:14.5px;color:var(--tx-2);line-height:1.85}
.topic-foot{margin-top:18px}
@media (max-width:767px){
 .topic-card{grid-template-columns:1fr}
 .topic-fig{min-height:170px;position:relative}
 .topic-body{padding:20px 18px}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden;transition:background var(--ease)}
.faq-item+.faq-item{margin-top:12px}
.faq-item[open]{background:#201b33;border-color:rgba(244,88,140,.35)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:17px 54px 17px 20px;font-size:16px;font-weight:600;color:#fff;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--c-primary)}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:8px;height:8px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:translateY(-70%) rotate(45deg);transition:transform var(--ease)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}
.faq-a{padding:0 22px 20px 20px;color:var(--tx-2);font-size:15px;line-height:1.88}
@media (max-width:639px){
 .faq-item summary{font-size:15px;padding:14px 46px 14px 16px}
 .faq-a{font-size:14.5px;padding:0 18px 16px 16px}
}

/* ---------- 结尾 CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-big);background:linear-gradient(120deg,#1E1930 0%,#171323 60%,#241a33 100%);border:1px solid var(--line);box-shadow:var(--shadow-d)}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--neon)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:38px 40px}
.cta-title{font-size:23px;line-height:1.4;color:#fff}
.cta-text{margin-top:10px;font-size:15px;color:var(--tx-2);line-height:1.85;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
@media (max-width:1023px){
 .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;padding:28px 24px}
 .cta-actions{width:100%}
}
@media (max-width:639px){
 .cta-inner{padding:24px 18px}
 .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:#0F0D14;border-top:1px solid var(--line);padding:64px 0 34px}
.site-footer h3{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--tx-2);max-width:420px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--tx-2);transition:color var(--ease)}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-line{height:2px;margin:36px 0 22px;background:var(--neon);opacity:.7;border-radius:2px}
.footer-copy{font-size:13px;color:var(--tx-2);line-height:1.9}
@media (max-width:639px){
 .site-footer{margin-top:56px;padding:44px 0 26px}
}