/* roulang page: index */
:root{
  --brand:#1d5bd6;
  --brand2:#4a8dfb;
  --paper:#f4f7fd;
  --surface:#ffffff;
  --ink:#0f1a2e;
  --mute:#5c6a83;
  --edge:#e3eaf5;
  --rad:16px;
  --elev:0 8px 24px rgba(18,42,86,.07);
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.32}
p{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
.yvd-wrap{width:min(1180px,92vw);margin:0 auto}

/* 顶栏 */
.yvd-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--edge)}
.yvd-head-in{display:flex;align-items:center;gap:20px;min-height:70px;padding:10px 0;flex-wrap:wrap}
.yvd-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.4px}
.yvd-logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700}
.yvd-nav{margin-left:auto;display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.yvd-nav::-webkit-scrollbar{display:none}
.yvd-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:999px;font-size:15px;color:var(--mute);white-space:nowrap;transition:background .2s,color .2s}
.yvd-nav a:hover{background:#eaf1ff;color:var(--brand)}
.yvd-nav a:focus-visible{outline:3px solid #a9c6ff;outline-offset:2px}

/* 首屏 */
.yvd-hero{position:relative;overflow:hidden;padding:54px 0 62px;background:linear-gradient(160deg,#e9f1ff 0%,#f4f7fd 58%,#f8fbff 100%)}
.yvd-hero::after{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;opacity:.11;pointer-events:none}
.yvd-hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.yvd-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:#e2ecff;border-radius:999px;padding:6px 14px;margin-bottom:16px}
.yvd-hero h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.5px}
.yvd-hero-lead{margin-top:16px;color:#3a4b66;font-size:16px;line-height:1.85}
.yvd-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.yvd-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;transition:background .2s,transform .2s}
.yvd-btn:hover{background:#1549b5;transform:translateY(-2px)}
.yvd-btn:focus-visible{outline:3px solid #a9c6ff;outline-offset:3px}
.yvd-ghost{background:#fff;color:var(--brand);border:1px solid #c8daf7}
.yvd-ghost:hover{background:#f0f6ff;color:var(--brand)}
.yvd-traits{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.yvd-traits li{font-size:13px;color:var(--mute);background:#fff;border:1px solid var(--edge);border-radius:999px;padding:6px 14px}

.yvd-coupons{display:grid;gap:14px}
.yvd-coupon-main{position:relative;background:var(--surface);border:1px solid #e6eefb;border-radius:20px;padding:26px;box-shadow:0 18px 40px rgba(24,58,120,.12);overflow:hidden}
.yvd-coupon-main::before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.yvd-coupon-tag{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.5px}
.yvd-coupon-title{margin-top:8px;font-size:22px;font-weight:800}
.yvd-coupon-main p.yvd-coupon-desc{margin-top:10px;font-size:14.5px;color:var(--mute);line-height:1.75}
.yvd-coupon-main .yvd-btn{margin-top:18px;min-height:44px;padding:0 22px;font-size:14.5px}
.yvd-coupon-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.yvd-coupon-mini li{background:#fff;border:1px dashed #c6d8f6;border-radius:12px;padding:14px 8px;text-align:center;font-size:13.5px;font-weight:600;color:var(--brand)}

/* 通用板块 */
.yvd-sec{padding:56px 0}
.yvd-sec--alt{background:#fff;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}
.yvd-head2{margin-bottom:28px;max-width:760px}
.yvd-head2 h2{font-size:clamp(20px,2.4vw,27px);letter-spacing:-.3px}
.yvd-head2 p{margin-top:8px;color:var(--mute);font-size:15px}

/* 卡片网格 */
.yvd-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.yvd-card{background:var(--surface);border:1px solid var(--edge);border-radius:var(--rad);overflow:hidden;box-shadow:var(--elev);transition:transform .22s,box-shadow .22s}
.yvd-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,45,90,.14)}
.yvd-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#dde7f6}
.yvd-thumb img{width:100%;height:100%;object-fit:cover}
.yvd-badge{position:absolute;top:10px;left:10px;background:rgba(10,25,55,.74);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px}
.yvd-score{position:absolute;bottom:10px;right:10px;background:#ffb400;color:#3a2600;font-weight:800;font-size:12.5px;padding:3px 9px;border-radius:8px}
.yvd-card-body{padding:13px 14px 16px}
.yvd-card-body h3{font-size:15.5px;font-weight:700}
.yvd-card-body p{margin-top:6px;font-size:13.5px;line-height:1.65;color:var(--mute)}

/* 高分好评 */
.yvd-good{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.yvd-good li{display:flex;gap:16px;background:#fff;border:1px solid var(--edge);border-radius:14px;padding:16px 18px;box-shadow:var(--elev)}
.yvd-good b{font-size:20px;font-weight:800;color:#e08b00;min-width:44px}
.yvd-good h3{font-size:15.5px}
.yvd-good p{margin-top:5px;font-size:13.5px;color:var(--mute);line-height:1.65}

/* 排行榜 */
.yvd-top{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.yvd-top li{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--edge);border-radius:14px;padding:12px 18px;box-shadow:var(--elev)}
.yvd-top-no{font-size:17px;font-weight:800;color:#b9c9e4;min-width:26px}
.yvd-top h3{font-size:15.5px;font-weight:600;flex:1}
.yvd-top-tag{font-size:12px;color:var(--brand);background:#eaf1ff;border-radius:999px;padding:3px 10px}
.yvd-top-heat{font-size:12.5px;color:var(--mute);white-space:nowrap}

/* 分类频道 */
.yvd-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.yvd-cat{background:#fff;border:1px solid var(--edge);border-radius:16px;padding:20px 22px;box-shadow:var(--elev)}
.yvd-cat span{display:inline-block;font-size:15.5px;font-weight:700;color:var(--brand)}
.yvd-cat p{margin-top:8px;font-size:14px;color:var(--mute);line-height:1.7}

/* 主题片单 */
.yvd-topics{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.yvd-topic{display:grid;grid-template-columns:170px 1fr;gap:0;background:#fff;border:1px solid var(--edge);border-radius:18px;overflow:hidden;box-shadow:var(--elev)}
.yvd-topic-img{background:#dde7f6}
.yvd-topic-img img{width:100%;height:100%;object-fit:cover}
.yvd-topic-body{padding:20px 22px}
.yvd-topic-body h3{font-size:17px}
.yvd-topic-body p{margin-top:8px;font-size:14px;color:var(--mute);line-height:1.7}
.yvd-topic-meta{margin-top:12px;font-size:13px;color:var(--brand)}

/* 资讯 */
.yvd-news{display:grid;gap:10px}
.yvd-news li{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--edge);border-radius:14px;padding:16px 20px}
.yvd-news h3{font-size:15.5px;font-weight:600;flex:1}
.yvd-news p{margin-top:4px;font-size:13.5px;color:var(--mute)}
.yvd-news-time{font-size:12.5px;color:var(--brand);background:#eaf1ff;border-radius:999px;padding:4px 12px;white-space:nowrap}

/* 口碑 */
.yvd-voices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.yvd-voice{background:#fff;border:1px solid var(--edge);border-radius:18px 18px 18px 6px;padding:18px 20px;box-shadow:var(--elev)}
.yvd-voice p{font-size:14.5px;color:#25344d;line-height:1.7}
.yvd-voice cite{display:block;margin-top:10px;font-size:13px;color:var(--mute);font-style:normal}

/* 观影体验 */
.yvd-tiyan{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.yvd-tiyan li{background:#fff;border:1px solid var(--edge);border-radius:16px;padding:20px;box-shadow:var(--elev)}
.yvd-tiyan h3{font-size:15.5px;color:var(--brand)}
.yvd-tiyan p{margin-top:8px;font-size:14px;color:var(--mute);line-height:1.7}

/* 问答 */
.yvd-faq{display:grid;gap:12px;max-width:900px}
.yvd-faq details{background:#fff;border:1px solid var(--edge);border-radius:14px;padding:16px 20px;box-shadow:var(--elev)}
.yvd-faq summary{cursor:pointer;font-size:15.5px;font-weight:600;list-style:none}
.yvd-faq summary::-webkit-details-marker{display:none}
.yvd-faq summary::after{content:"+";float:right;color:var(--brand);font-weight:700}
.yvd-faq details[open] summary::after{content:"−"}
.yvd-faq p{margin-top:10px;font-size:14.5px;color:var(--mute);line-height:1.8}

/* 页脚 */
.yvd-foot{margin-top:10px;background:#0e1a30;color:#c3cfdf;padding:54px 0 26px}
.yvd-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.yvd-foot h4{color:#fff;font-size:15px;margin-bottom:12px}
.yvd-foot p{font-size:14px;line-height:1.8;color:#93a4bd}
.yvd-foot li{font-size:14px;line-height:2}
.yvd-foot a:hover{color:#fff}
.yvd-copy{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8597b1}

@media(max-width:1024px){
  .yvd-hero-in{grid-template-columns:1fr;gap:32px}
  .yvd-grid{grid-template-columns:repeat(4,1fr)}
  .yvd-cats{grid-template-columns:repeat(2,1fr)}
  .yvd-tiyan{grid-template-columns:repeat(2,1fr)}
  .yvd-voices{grid-template-columns:repeat(2,1fr)}
  .yvd-foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .yvd-sec{padding:44px 0}
  .yvd-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .yvd-top,.yvd-good,.yvd-topics{grid-template-columns:1fr}
  .yvd-topic{grid-template-columns:1fr}
  .yvd-topic-img img{aspect-ratio:16/9;height:auto}
  .yvd-nav{margin-left:0;width:100%;order:3}
  .yvd-news li{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:520px){
  .yvd-hero{padding:36px 0 44px}
  .yvd-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .yvd-cats,.yvd-voices,.yvd-tiyan{grid-template-columns:1fr}
  .yvd-coupon-mini{grid-template-columns:1fr 1fr}
  .yvd-foot-grid{grid-template-columns:1fr;gap:24px}
  .yvd-card-body p{font-size:13px}
  .yvd-nav a{font-size:14px;padding:0 12px}
}