/* roulang page: index */
:root{
  --green:#3F6B4F;--green-d:#2F5540;--green-l:#E7F0E9;
  --pink:#D9738F;--pink-l:#FBEDF1;
  --ink:#1F2A24;--sub:#5C6B62;--weak:#8A968E;
  --bg:#FAF7F2;--bg2:#F2F6F1;--card:#FFFFFF;
  --line:#E6E1D7;--sand:#F5E6C8;
  --r:16px;--sh:0 2px 8px rgba(31,42,36,.06);--sh-h:0 12px 28px rgba(31,42,36,.12);
  --num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section.alt{background:var(--bg2)}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700}
.sec-head p{margin-top:12px;font-size:15px;color:var(--sub)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:11px 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:3px solid var(--green-l);outline-offset:2px}
.btn-primary{background:var(--green);color:#FAF7F2}
.btn-primary:hover{background:var(--green-d);transform:translateY(-1px);box-shadow:0 6px 18px rgba(63,107,79,.28)}
.btn-ghost{border-color:var(--green);color:var(--green-d);background:transparent}
.btn-ghost:hover{background:var(--green-l)}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn-block{width:100%}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(31,42,36,.03)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--green);color:#FAF7F2;display:grid;place-items:center;font-weight:700;font-size:18px}
.logo-name{font-size:17px;font-weight:700}
.main-nav{display:flex;gap:26px;margin-left:auto}
.main-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:var(--sub);position:relative;transition:color .2s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:8px;height:2px;width:0;background:var(--green);transition:width .24s ease}
.main-nav a:hover,.main-nav a.active{color:var(--green-d)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:104px 0 96px;color:#F7F4EE;background:#22402F}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(22,36,28,.94) 0%,rgba(22,36,28,.76) 48%,rgba(22,36,28,.40) 100%)}
.hero-inner{position:relative;z-index:2;max-width:740px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.06em;color:#CFE3D5;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:5px 14px;border-radius:999px}
.hero h1{font-size:clamp(34px,4.2vw,56px);margin:20px 0 16px;font-weight:700}
.hero h1 em{font-style:normal;color:#F2A7BC}
.hero-sub{font-size:18px;color:#E4EDE6;margin-bottom:14px}
.hero-lead{font-size:16px;line-height:1.85;color:#D3DED6;max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero .btn-primary{background:#F7F4EE;color:var(--green-d)}
.hero .btn-primary:hover{background:#FFFFFF;color:var(--green-d)}
.hero .btn-ghost{border-color:rgba(247,244,238,.6);color:#F7F4EE}
.hero .btn-ghost:hover{background:rgba(247,244,238,.14)}

/* 数据条 */
.stats{padding:0 0 72px;background:var(--bg)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-44px;position:relative;z-index:3}
.stat-grid li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.stat-grid strong{display:block;font-size:30px;line-height:1.2;font-weight:700;color:var(--green-d);font-variant-numeric:tabular-nums}
.stat-grid span{display:block;margin-top:6px;font-size:13px;color:var(--weak)}

/* 通用卡片 */
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.thumb{position:relative;overflow:hidden;background:var(--bg2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .thumb img{transform:scale(1.04)}
.thumb-23{aspect-ratio:2/3}
.thumb-169{aspect-ratio:16/9}
.thumb-32{aspect-ratio:3/2}
.thumb-43{aspect-ratio:4/3}
.thumb-1610{aspect-ratio:16/10}
.badge{display:inline-block;font-size:11px;line-height:1.5;padding:2px 8px;border-radius:6px;font-weight:600}
.badge-hd{background:var(--green-l);color:var(--green-d)}
.badge-bd{background:var(--pink-l);color:#A64A64}
.badge-up{background:var(--sand);color:#7A5B21}
.badge-top{position:absolute;top:8px;left:8px;z-index:2}
.tag{display:inline-block;font-size:12px;line-height:1.5;padding:2px 10px;border-radius:999px;background:var(--bg2);color:var(--sub);border:1px solid var(--line)}
.score{color:var(--pink);font-weight:700;font-variant-numeric:tabular-nums}

/* 适用人群 */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.aud-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease}
.aud-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.aud-card h3{font-size:18px;color:var(--green-d);margin-bottom:10px}
.aud-card p{font-size:14.5px;line-height:1.75;color:var(--sub)}
.aud-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle}
.aud-card:nth-child(even) .aud-dot{background:var(--pink)}

/* 适合 / 不适合 */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.fit-col{border:1px solid var(--line);border-radius:var(--r);padding:30px}
.fit-yes{background:var(--green-l)}
.fit-no{background:var(--pink-l)}
.fit-col h3{font-size:19px;color:var(--ink);margin-bottom:14px}
.fit-col li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:15px;color:#2B3830}
.fit-col li+li{border-top:1px dashed rgba(31,42,36,.12)}
.fit-yes li::before{content:"✓";color:var(--green-d);font-weight:700;flex:none}
.fit-no li::before{content:"×";color:#A64A64;font-weight:700;flex:none}

/* 方案对比 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--sh)}
.plan.featured{border:2px solid var(--green);box-shadow:0 18px 40px rgba(63,107,79,.16);transform:translateY(-8px)}
.plan-tag{position:absolute;top:-13px;left:30px;background:var(--pink);color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px}
.plan h3{font-size:20px;color:var(--green-d)}
.plan-note{font-size:13px;color:var(--weak);margin-top:4px}
.plan ul{margin:18px 0 24px}
.plan li{display:flex;gap:9px;padding:6px 0;font-size:14.5px;color:var(--sub)}
.plan li::before{content:"✓";color:var(--green);font-weight:700;flex:none}

/* 最新上线：海报网格 */
.poster-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.poster-body{padding:12px 12px 14px}
.poster-body h3{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.poster-meta{display:flex;justify-content:space-between;align-items:center;margin-top:6px;font-size:12px;color:var(--weak)}

/* 热门推荐 */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hot-body{padding:16px 18px 18px}
.hot-body h3{font-size:17px;font-weight:600}
.hot-body p{font-size:14px;line-height:1.7;color:var(--sub);margin-top:6px}
.hot-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12.5px;color:var(--weak)}

/* 分类频道 */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.chan{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.chan:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--green)}
.chan h3{font-size:18px;color:var(--green-d)}
.chan p{font-size:14px;color:var(--sub);margin:8px 0 14px;line-height:1.7}
.chan-tags{display:flex;flex-wrap:wrap;gap:8px}

/* 排行榜 */
.rank-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.rank-item{display:flex;align-items:center;gap:12px;min-height:56px;padding:8px 10px;border-bottom:1px solid var(--line);transition:background .2s ease}
.rank-item:hover{background:var(--bg2)}
.rank-no{flex:none;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--green);color:var(--green-d);display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.rank-item.top3 .rank-no{background:var(--pink-l);border-color:var(--pink);color:#A64A64}
.rank-name{flex:1;min-width:0;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-bar{flex:none;width:88px;height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:var(--green)}
.rank-score{flex:none;width:36px;text-align:right;font-size:13px}

/* 片单专题 */
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.col-body{padding:18px 20px 22px}
.col-body h3{font-size:17px;font-weight:600}
.col-body p{font-size:14px;color:var(--sub);margin-top:6px;line-height:1.7}
.col-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12.5px;color:var(--weak)}

/* 界面预览 */
.prev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.frame{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card);box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease}
.frame:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.frame-bar{display:flex;gap:6px;padding:10px 12px;background:var(--bg2);border-bottom:1px solid var(--line)}
.frame-bar i{display:block;width:8px;height:8px;border-radius:50%;background:var(--line)}
.frame-bar i:first-child{background:var(--pink)}
.frame-bar i:nth-child(2){background:var(--sand)}
.frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.frame-cap{padding:10px 14px;font-size:13px;color:var(--sub);text-align:center}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-body{padding:16px 18px 20px}
.news-body h3{font-size:16px;font-weight:600;line-height:1.55}
.news-body time{display:block;margin-top:10px;font-size:12.5px;color:var(--weak);font-variant-numeric:tabular-nums}

/* 保障说明 */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.guard h3{font-size:16px;color:var(--green-d);margin-bottom:8px}
.guard h3::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--pink);margin-right:8px;vertical-align:middle}
.guard p{font-size:14px;line-height:1.7;color:var(--sub)}

/* 观众评价 */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rev-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.rev-grid .rev-card:nth-child(3n+2){margin-top:20px}
.rev-text{font-size:15px;line-height:1.8;color:#2B3830}
.rev-user{display:flex;align-items:center;gap:10px;margin-top:16px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--green-l);color:var(--green-d);display:grid;place-items:center;font-size:14px;font-weight:700;flex:none}
.rev-user span{font-size:12.5px;color:var(--weak)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:14px;overflow:hidden;box-shadow:var(--sh)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;border-left:3px solid transparent;transition:border-color .2s ease,background .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--green);font-weight:700;line-height:1}
.faq-item[open] summary{border-left-color:var(--green);background:var(--green-l)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--sub)}

/* 收口 */
.cta{background:var(--green-d);color:#F7F4EE;padding:84px 0;text-align:center}
.cta h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;color:#FFFFFF}
.cta p{margin:14px auto 0;max-width:620px;font-size:15px;color:#CFE0D5;line-height:1.85}
.cta .btn-row{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta .btn-primary{background:#F7F4EE;color:var(--green-d)}
.cta .btn-primary:hover{background:#FFFFFF}
.cta .btn-ghost{border-color:rgba(247,244,238,.6);color:#F7F4EE}
.cta .btn-ghost:hover{background:rgba(247,244,238,.14)}

/* 页脚 */
.site-footer{background:#1F2A24;color:#C9D4CC;padding:64px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .logo-mark{background:var(--green)}
.foot-brand b{font-size:16px;color:#F2F6F1}
.foot-desc{font-size:13.5px;line-height:1.8;color:#9FB0A6;max-width:280px}
.foot-grid h3{font-size:14px;color:#F2F6F1;margin-bottom:14px;font-weight:600}
.foot-grid li{margin-bottom:10px}
.foot-grid a{font-size:13.5px;color:#9FB0A6;transition:color .2s ease}
.foot-grid a:hover{color:#F2F6F1}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:18px 0;font-size:13px;color:#8A968E;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:76px 0}
  .poster-grid{grid-template-columns:repeat(4,1fr)}
  .hot-grid,.chan-grid,.col-grid,.prev-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .aud-grid{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .rev-grid{grid-template-columns:repeat(2,1fr)}
  .rev-grid .rev-card:nth-child(3n+2){margin-top:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stat-grid{margin-top:-32px}
  .nav-wrap{gap:18px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .nav-wrap{height:60px;gap:12px}
  .main-nav{overflow-x:auto;gap:18px;margin-left:0;flex:1;-ms-overflow-style:none;scrollbar-width:none}
  .main-nav::-webkit-scrollbar{display:none}
  .main-nav a{white-space:nowrap;font-size:14px}
  .main-nav a::after{display:none}
  .nav-cta{display:none}
  .logo-name{font-size:15.5px}
  .hero{padding:64px 0 56px}
  .stats{padding:0 0 56px}
  .stat-grid{grid-template-columns:repeat(2,1fr);margin-top:-28px}
  .poster-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .fit-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .plan.featured{transform:none}
  .rank-grid{grid-template-columns:1fr}
  .col-grid,.prev-grid{grid-template-columns:1fr}
  .cta{padding:64px 0}
  .rank-item .tag{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:52px 0 44px}
  .hero-sub{font-size:16px}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .hot-grid,.chan-grid,.news-grid,.rev-grid,.aud-grid,.guard-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-grid strong{font-size:24px}
  .stat-grid li{padding:18px}
  .rank-bar{display:none}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column}
  .fit-col,.plan{padding:22px}
  .rev-grid .rev-card:nth-child(3n+2){margin-top:0}
}