*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#f8f6f1;color:#22203a;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.lvd-wrap{width:min(1180px,92%);margin:0 auto}
.lvd-word{font-weight:800;font-size:1.35rem;color:#4338ca;letter-spacing:.5px;white-space:nowrap}
.lvd-accent,.lvd-hl{color:#4338ca}
.lvd-section{padding:72px 0}
.lvd-head2{margin-bottom:38px}
.lvd-head2 h2{font-size:clamp(1.5rem,3.4vw,2.15rem);font-weight:800;line-height:1.3}
.lvd-head2 p{margin-top:10px;color:#22203a;opacity:.72;max-width:680px}
.lvd-center{text-align:center}
.lvd-center p{margin-left:auto;margin-right:auto}
/* 按钮 */
.lvd-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:14px;font-weight:700;font-size:.98rem;transition:transform .2s,box-shadow .2s,background .2s}
.lvd-btn-solid{background:#4338ca;color:#fff}
.lvd-btn-line{border:2px solid #4338ca;color:#4338ca}
.lvd-btn-soft{background:#4338ca1f;color:#4338ca}
.lvd-btn:hover{transform:translateY(-3px)}
/* 标签 */
.lvd-chip{display:inline-block;padding:7px 16px;border-radius:999px;background:#4338ca1f;color:#4338ca;font-weight:700;font-size:.85rem;margin-bottom:18px}
.lvd-tag{display:inline-block;padding:4px 12px;border-radius:999px;background:#d9770622;color:#d97706;font-size:.8rem;font-weight:700}
.lvd-watch{font-size:.82rem;opacity:.75}
/* 顶部导航 */
.lvd-topbar{position:sticky;top:0;z-index:100;background:#f8f6f1ee;backdrop-filter:blur(12px);border-bottom:1px solid #22203a14}
.lvd-bar-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.lvd-nav{display:flex;gap:6px}
.lvd-nav a{padding:8px 14px;border-radius:14px;font-weight:600;font-size:.95rem;transition:background .2s,color .2s}
.lvd-nav a:hover{background:#4338ca1f;color:#4338ca}
.lvd-burger{display:none;flex-direction:column;gap:5px;padding:6px}
.lvd-burger span{width:24px;height:2.5px;background:#22203a;border-radius:2px}
/* Hero */
.lvd-hero{padding:64px 0 56px}
.lvd-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.lvd-hero-copy h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800;line-height:1.22;margin-bottom:18px}
.lvd-hero-copy p{opacity:.78;margin-bottom:28px;max-width:520px}
.lvd-actions{display:flex;flex-wrap:wrap;gap:14px}
.lvd-hero-pic img{width:100%;border-radius:20px;box-shadow:0 24px 60px #4338ca33}
.lvd-hero-left .lvd-hero-copy{order:2}
.lvd-hero-left .lvd-hero-pic{order:1}
/* 统计 */
.lvd-stats{padding:44px 0;background:#ffffff;border-block:1px solid #22203a10}
.lvd-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.lvd-stat-num{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800;color:#4338ca;line-height:1.1}
.lvd-stat-label{margin-top:6px;font-size:.9rem;opacity:.7}
/* 房间通用 */
.lvd-room{background:#ffffff;border-radius:14px;overflow:hidden;border:1px solid #22203a10}
.lvd-room-cover{position:relative}
.lvd-room-cover img{width:100%;aspect-ratio:2/3;object-fit:cover}
.lvd-room-status{position:absolute;top:10px;left:10px;background:#d97706;color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:999px}
.lvd-room-info{padding:16px}
.lvd-room-info h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.lvd-room-info p{font-size:.88rem;opacity:.7;margin-bottom:12px}
.lvd-room-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}
/* 标准live: 大卡+列表 */
.lvd-live-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.lvd-feature .lvd-room{height:100%}
.lvd-feature .lvd-room-cover img{aspect-ratio:16/11}
.lvd-room-list{display:flex;flex-direction:column;gap:14px}
.lvd-room-list .lvd-room{display:grid;grid-template-columns:120px 1fr}
.lvd-room-list .lvd-room-cover img{aspect-ratio:2/3;height:100%}
.lvd-room-list .lvd-room-status{font-size:.68rem;padding:3px 8px}
.lvd-room-list .lvd-room-info{padding:12px 14px}
/* 等宽网格 */
.lvd-live-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
/* 玩法 */
.lvd-play-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lvd-play{background:#ffffff;padding:28px 22px;border-radius:14px;border:1px solid #22203a10}
.lvd-play-icon{width:46px;height:46px;border-radius:14px;background:#4338ca22;margin-bottom:16px}
.lvd-play h3{font-size:1.08rem;font-weight:700;margin-bottom:8px}
.lvd-play p{font-size:.9rem;opacity:.72}
/* moment */
.lvd-mom-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.lvd-mom{position:relative;border-radius:14px;overflow:hidden}
.lvd-mom img{width:100%;aspect-ratio:3/4;object-fit:cover}
.lvd-mom-info{position:absolute;left:0;right:0;bottom:0;padding:24px 20px 18px;background:linear-gradient(transparent,rgba(0,0,0,.78));color:#fff}
.lvd-mom-info h3{font-size:1.15rem;font-weight:700;margin-bottom:4px}
.lvd-mom-info p{font-size:.86rem;opacity:.85}
/* 评价 */
.lvd-rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.lvd-rev{background:#ffffff;padding:26px;border-radius:14px;border:1px solid #22203a10}
.lvd-stars{height:16px;width:96px;background:#d97706;border-radius:4px;opacity:.85;margin-bottom:14px}
.lvd-rev-text{font-size:.94rem;margin-bottom:18px}
.lvd-rev-user{display:flex;align-items:center;gap:12px}
.lvd-avatar{width:44px;height:44px;border-radius:50%;background:#4338ca;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.lvd-uname{font-weight:700;font-size:.95rem}
.lvd-urole{font-size:.8rem;opacity:.65}
/* FAQ */
.lvd-faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.lvd-faq{background:#ffffff;border-radius:14px;border:1px solid #22203a10;padding:0 22px}
.lvd-faq summary{padding:18px 0;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:34px}
.lvd-faq summary::-webkit-details-marker{display:none}
.lvd-faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:1.4rem;color:#4338ca;font-weight:400}
.lvd-faq[open] summary::after{content:"−"}
.lvd-faq-a{padding:0 0 20px;font-size:.92rem;opacity:.75}
/* 页脚 */
.lvd-foot{background:#ffffff;border-top:1px solid #22203a12;padding:56px 0 0}
.lvd-foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.lvd-foot-brand .lvd-word{display:inline-block;margin-bottom:14px}
.lvd-foot-brand p{font-size:.9rem;opacity:.7;max-width:340px}
.lvd-foot-col h4{font-size:1rem;font-weight:700;margin-bottom:14px}
.lvd-foot-col a{display:block;padding:5px 0;font-size:.9rem;opacity:.72;transition:opacity .2s}
.lvd-foot-col a:hover{opacity:1;color:#4338ca}
.lvd-foot-col li{font-size:.88rem;opacity:.72;padding:4px 0}
.lvd-foot-bottom{border-top:1px solid #22203a12;padding:20px 0;text-align:center;font-size:.82rem;opacity:.6}
.lvd-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:#4338ca;color:#fff;z-index:90;opacity:0;visibility:hidden;transition:opacity .3s}
.lvd-top.show{opacity:1;visibility:visible}
/* 响应式 */
@media(max-width:980px){
.lvd-hero-grid{grid-template-columns:1fr;gap:32px}
.lvd-hero-left .lvd-hero-copy{order:1}
.lvd-hero-left .lvd-hero-pic{order:2}
.lvd-stats-grid{grid-template-columns:repeat(2,1fr);gap:26px}
.lvd-live-grid{grid-template-columns:repeat(2,1fr)}
.lvd-live-layout{grid-template-columns:1fr}
.lvd-feature .lvd-room-cover img{aspect-ratio:16/10}
.lvd-play-grid{grid-template-columns:repeat(2,1fr)}
.lvd-rev-grid{grid-template-columns:1fr}
.lvd-foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:760px){
.lvd-nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:#f8f6f1;padding:18px 6%;border-bottom:1px solid #22203a14;transform:translateY(-130%);transition:transform .3s;gap:2px}
.lvd-nav.open{transform:translateY(0)}
.lvd-burger{display:flex}
.lvd-section{padding:52px 0}
.lvd-mom-grid{grid-template-columns:1fr}
.lvd-foot-grid{grid-template-columns:1fr}
.lvd-room-list .lvd-room{grid-template-columns:100px 1fr}
}

.lvd-two{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start}
.lvd-aside{background:#ffffff;border-radius:14px;padding:24px;border:1px solid #22203a10;position:sticky;top:90px}
.lvd-aside p{font-size:.9rem;opacity:.75}
@media(max-width:900px){.lvd-two{grid-template-columns:1fr}.lvd-aside{position:static}}