/* roulang page: index */
:root{
  --vx-main:#ff3d86;
  --vx-alt:#3ae3ff;
  --vx-bg:#0b0714;
  --vx-panel:#151024;
  --vx-panel2:#1d1531;
  --vx-ink:#f5f1ff;
  --vx-mute:#a89fc4;
  --vx-line:rgba(255,255,255,.09);
  --vx-radius:16px;
  --vx-shadow:0 20px 44px rgba(0,0,0,.45);
  --vx-gap:22px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--vx-bg);color:var(--vx-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
a:focus-visible,summary:focus-visible,button:focus-visible{outline:2px solid var(--vx-alt);outline-offset:3px}

.ozumkz-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ozumkz-header{position:sticky;top:0;z-index:40;background:rgba(11,7,20,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--vx-line)}
.ozumkz-head-in{max-width:1180px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px}
.ozumkz-brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:17px}
.ozumkz-brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:13px;font-weight:900;letter-spacing:.6px;color:#12040c;background:linear-gradient(135deg,var(--vx-main),var(--vx-alt))}
.ozumkz-nav{margin-left:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.ozumkz-nav::-webkit-scrollbar{display:none}
.ozumkz-nav a{display:inline-flex;align-items:center;min-height:44px;padding:11px 14px;border-radius:10px;font-size:15px;color:var(--vx-mute);transition:color .22s,background .22s}
.ozumkz-nav a:hover,.ozumkz-nav a.is-on{color:#fff;background:rgba(255,61,134,.15)}
.ozumkz-nav a.is-on{box-shadow:inset 0 -2px 0 var(--vx-main)}

/* 首屏 */
.ozumkz-hero{position:relative;overflow:hidden;padding:70px 0 66px;background:#0b0714 url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.ozumkz-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(92% 92% at 16% 18%,rgba(11,7,20,.5),rgba(11,7,20,.95))}
.ozumkz-hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.ozumkz-eyebrow{display:inline-block;margin-bottom:16px;padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:1px;color:var(--vx-alt);background:rgba(58,227,255,.1);border:1px solid rgba(58,227,255,.32)}
.ozumkz-h1{font-size:clamp(28px,4.2vw,50px);line-height:1.22;letter-spacing:1px;font-weight:900;margin-bottom:18px}
.ozumkz-h1 span{background:linear-gradient(120deg,var(--vx-main),var(--vx-alt));-webkit-background-clip:text;background-clip:text;color:transparent}
.ozumkz-hero-text{max-width:600px;color:var(--vx-mute);font-size:16px;line-height:1.9;margin-bottom:26px}
.ozumkz-actions{display:flex;flex-wrap:wrap;gap:12px}
.ozumkz-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:12px;font-size:15px;font-weight:700;color:#190512;background:linear-gradient(120deg,var(--vx-main),#ff8ab6);transition:transform .22s,box-shadow .22s}
.ozumkz-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,61,134,.32)}
.ozumkz-btn-ghost{color:var(--vx-ink);background:transparent;border:1px solid rgba(255,255,255,.22)}
.ozumkz-btn-ghost:hover{border-color:var(--vx-alt);box-shadow:none;color:var(--vx-alt)}

/* 券面 */
.ozumkz-coupon{position:relative;padding:26px 24px 24px;border-radius:22px;background:linear-gradient(160deg,#221436,#180f2a);border:1px solid rgba(255,61,134,.42);box-shadow:var(--vx-shadow)}
.ozumkz-coupon-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}
.ozumkz-coupon-tag{padding:5px 12px;border-radius:8px;font-size:12px;font-weight:800;letter-spacing:.5px;color:#190512;background:linear-gradient(120deg,var(--vx-alt),#9ef3ff)}
.ozumkz-coupon-sub{font-size:12.5px;color:var(--vx-mute);letter-spacing:1px}
.ozumkz-coupon-name{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.25;letter-spacing:1px;margin-bottom:6px}
.ozumkz-coupon-name i{font-style:normal;color:var(--vx-main)}
.ozumkz-coupon-note{color:var(--vx-mute);font-size:14px;margin-bottom:18px}
.ozumkz-coupon-list{display:grid;gap:8px;margin-bottom:4px}
.ozumkz-coupon-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:#ded7f5}
.ozumkz-coupon-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--vx-alt);flex:0 0 auto}
.ozumkz-cut{position:relative;margin:20px -24px;border-top:1px dashed rgba(255,255,255,.26)}
.ozumkz-cut::before,.ozumkz-cut::after{content:"";position:absolute;top:-11px;width:22px;height:22px;border-radius:50%;background:#100a1e;border:1px solid rgba(255,255,255,.14)}
.ozumkz-cut::before{left:-11px}
.ozumkz-cut::after{right:-11px}
.ozumkz-coupon .ozumkz-btn{width:100%}

/* 通用板块 */
.ozumkz-sec{padding:62px 0;border-bottom:1px solid var(--vx-line)}
.ozumkz-sec-alt{background:linear-gradient(180deg,rgba(255,61,134,.055),rgba(58,227,255,.025))}
.ozumkz-sec-head{margin-bottom:32px}
.ozumkz-head-center{text-align:center}
.ozumkz-head-split{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.ozumkz-kicker{display:block;font-size:13px;letter-spacing:2px;color:var(--vx-main);margin-bottom:10px}
.ozumkz-sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:.5px;margin-bottom:12px}
.ozumkz-sec-title em{font-style:normal;color:var(--vx-alt)}
.ozumkz-sec-desc{max-width:820px;color:var(--vx-mute);font-size:15.5px;line-height:1.85}
.ozumkz-head-center .ozumkz-sec-desc{margin:0 auto}

/* 分类 */
.ozumkz-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-cats li{padding:20px;border-radius:var(--vx-radius);background:var(--vx-panel);border:1px solid var(--vx-line);transition:border-color .22s,transform .22s}
.ozumkz-cats li:hover{border-color:rgba(58,227,255,.42);transform:translateY(-3px)}
.ozumkz-cat-name{display:block;font-size:17px;font-weight:800;margin-bottom:8px}
.ozumkz-cat-note{display:block;font-size:14px;line-height:1.75;color:var(--vx-mute)}

/* 卡片网格 */
.ozumkz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-card{display:flex;flex-direction:column;gap:10px;padding:12px;border-radius:var(--vx-radius);background:var(--vx-panel);border:1px solid var(--vx-line);transition:transform .25s,box-shadow .25s,border-color .25s}
.ozumkz-card:hover{transform:translateY(-4px);box-shadow:var(--vx-shadow);border-color:rgba(255,61,134,.45)}
.ozumkz-thumb{position:relative;width:100%;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#1a1230}
.ozumkz-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ozumkz-card:hover .ozumkz-thumb img,.ozumkz-pick:hover .ozumkz-thumb img{transform:scale(1.06)}
.ozumkz-badge{position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;background:rgba(11,7,20,.8);border:1px solid rgba(255,255,255,.2)}
.ozumkz-badge-hot{color:#1a0510;background:linear-gradient(120deg,var(--vx-main),#ff94bd);border-color:transparent}
.ozumkz-card-name{font-size:16.5px;font-weight:800}
.ozumkz-card-note{font-size:14px;line-height:1.7;color:var(--vx-mute)}
.ozumkz-chip{align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12.5px;color:var(--vx-alt);background:rgba(58,227,255,.1);border:1px solid rgba(58,227,255,.28)}

/* 精选推荐 */
.ozumkz-picks{display:grid;gap:18px}
.ozumkz-pick{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;padding:14px;border-radius:var(--vx-radius);background:var(--vx-panel);border:1px solid var(--vx-line);transition:border-color .25s,transform .25s}
.ozumkz-pick:hover{border-color:rgba(58,227,255,.4);transform:translateX(4px)}
.ozumkz-pick .ozumkz-thumb{aspect-ratio:auto;height:138px}
.ozumkz-pick-body{display:flex;flex-direction:column;gap:8px}
.ozumkz-pick-body h3{font-size:17px;font-weight:800}
.ozumkz-pick-body p{font-size:14.5px;line-height:1.75;color:var(--vx-mute)}

/* 主题合辑 */
.ozumkz-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-topic{position:relative;padding:26px 22px;border-radius:var(--vx-radius);background:linear-gradient(160deg,var(--vx-panel2),var(--vx-panel));border:1px solid var(--vx-line);overflow:hidden}
.ozumkz-topic::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(255,61,134,.28),transparent 70%)}
.ozumkz-topic h3{font-size:18px;font-weight:800;margin-bottom:10px}
.ozumkz-topic p{font-size:14.5px;line-height:1.8;color:var(--vx-mute);margin-bottom:14px}

/* 排行榜 */
.ozumkz-ranks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 30px}
.ozumkz-ranks li{display:grid;grid-template-columns:38px 1fr auto auto;align-items:center;gap:12px;min-height:52px;padding:8px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid transparent;transition:background .2s,border-color .2s}
.ozumkz-ranks li:hover{background:rgba(255,61,134,.1);border-color:rgba(255,61,134,.32)}
.ozumkz-rank-no{font-size:15px;font-weight:900;color:var(--vx-alt);letter-spacing:1px}
.ozumkz-ranks li:nth-child(-n+3) .ozumkz-rank-no{color:var(--vx-main)}
.ozumkz-rank-name{font-size:15.5px;font-weight:700}
.ozumkz-rank-meta{font-size:13px;color:var(--vx-mute)}
.ozumkz-rank-tag{padding:3px 9px;border-radius:999px;font-size:12px;color:#cfc7ea;background:rgba(255,255,255,.07)}

/* 资讯 */
.ozumkz-news{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-news li{padding:12px;border-radius:var(--vx-radius);background:var(--vx-panel);border:1px solid var(--vx-line);transition:transform .25s,border-color .25s}
.ozumkz-news li:hover{transform:translateY(-3px);border-color:rgba(58,227,255,.36)}
.ozumkz-news h3{font-size:15.5px;font-weight:800;margin:12px 0 8px;line-height:1.6}
.ozumkz-news p{font-size:14px;line-height:1.75;color:var(--vx-mute);margin-bottom:10px}
.ozumkz-time{font-size:12.5px;letter-spacing:1px;color:var(--vx-main)}

/* 场景矩阵 */
.ozumkz-scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-scenes li{padding:22px;border-radius:var(--vx-radius);background:rgba(255,255,255,.03);border:1px solid var(--vx-line);border-left:3px solid var(--vx-main)}
.ozumkz-scene-no{display:block;font-size:12.5px;letter-spacing:2px;color:var(--vx-mute);margin-bottom:8px}
.ozumkz-scenes h3{font-size:17px;font-weight:800;margin-bottom:8px}
.ozumkz-scenes p{font-size:14.5px;line-height:1.78;color:var(--vx-mute)}

/* 口碑 */
.ozumkz-voices{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--vx-gap)}
.ozumkz-voices li{position:relative;padding:24px 22px;border-radius:var(--vx-radius);background:var(--vx-panel2);border:1px solid var(--vx-line)}
.ozumkz-voices p{font-size:14.5px;line-height:1.85;color:#e2dbf6;margin-bottom:14px}
.ozumkz-voices span{font-size:13px;color:var(--vx-mute)}

/* 保障条 */
.ozumkz-guards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ozumkz-guards li{padding:18px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--vx-line);text-align:center}
.ozumkz-guards strong{display:block;font-size:15.5px;margin-bottom:6px;color:var(--vx-alt)}
.ozumkz-guards span{font-size:13.5px;line-height:1.7;color:var(--vx-mute)}

/* 合作 */
.ozumkz-partners{display:flex;flex-wrap:wrap;gap:12px}
.ozumkz-partners span{padding:10px 18px;border-radius:999px;font-size:14px;color:#d5cdec;background:rgba(255,255,255,.045);border:1px solid var(--vx-line)}

/* 问答 */
.ozumkz-faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:start}
.ozumkz-faq details{border:1px solid var(--vx-line);border-radius:14px;background:var(--vx-panel);padding:0 18px;margin-bottom:12px;transition:border-color .22s}
.ozumkz-faq details[open]{border-color:rgba(255,61,134,.42)}
.ozumkz-faq summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:14px 0;font-size:15.5px;font-weight:700;cursor:pointer;list-style:none}
.ozumkz-faq summary::-webkit-details-marker{display:none}
.ozumkz-faq summary::after{content:"+";font-size:20px;color:var(--vx-alt);line-height:1}
.ozumkz-faq details[open] summary::after{content:"–"}
.ozumkz-faq p{padding-bottom:16px;font-size:14.5px;line-height:1.85;color:var(--vx-mute)}

/* 收口 */
.ozumkz-join{position:relative;overflow:hidden;padding:56px 0;background:linear-gradient(120deg,rgba(255,61,134,.16),rgba(58,227,255,.12));border-top:1px solid rgba(255,61,134,.28);border-bottom:1px solid rgba(255,61,134,.28)}
.ozumkz-join-in{max-width:760px;margin:0 auto;text-align:center;padding:0 20px}
.ozumkz-join-in h2{font-size:clamp(22px,2.8vw,30px);font-weight:900;margin-bottom:14px}
.ozumkz-join-in p{color:#e6dff8;font-size:15.5px;line-height:1.85;margin-bottom:24px}

/* 页脚 */
.ozumkz-footer{background:#08040f;padding:52px 0 22px;border-top:1px solid var(--vx-line)}
.ozumkz-foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:34px}
.ozumkz-foot-col h3{font-size:15px;font-weight:800;margin-bottom:14px;color:#fff}
.ozumkz-foot-col p{font-size:14px;line-height:1.8;color:var(--vx-mute)}
.ozumkz-foot-col li{margin-bottom:10px}
.ozumkz-foot-col a{font-size:14px;color:var(--vx-mute);transition:color .2s}
.ozumkz-foot-col a:hover{color:var(--vx-alt)}
.ozumkz-foot-plain{font-size:14px;color:var(--vx-mute);line-height:1.9}
.ozumkz-copy{padding-top:18px;border-top:1px solid var(--vx-line);font-size:13px;color:#7d7694;text-align:center}

@media (max-width:1024px){
  .ozumkz-hero-grid{grid-template-columns:1fr;gap:34px}
  .ozumkz-hero{padding:56px 0 52px}
  .ozumkz-cats,.ozumkz-grid,.ozumkz-topics,.ozumkz-news,.ozumkz-scenes,.ozumkz-voices{grid-template-columns:repeat(2,1fr)}
  .ozumkz-guards{grid-template-columns:repeat(2,1fr)}
  .ozumkz-faq-wrap{grid-template-columns:.9fr 1.1fr;gap:28px}
  .ozumkz-foot-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .ozumkz-head-in{flex-wrap:wrap;padding:8px 16px;gap:8px}
  .ozumkz-nav{margin-left:0;width:100%;order:3;gap:2px}
  .ozumkz-nav a{padding:10px 12px;font-size:14px}
  .ozumkz-sec{padding:46px 0}
  .ozumkz-ranks{grid-template-columns:1fr}
  .ozumkz-pick{grid-template-columns:1fr}
  .ozumkz-pick .ozumkz-thumb{height:170px}
  .ozumkz-pick:hover{transform:none}
  .ozumkz-faq-wrap{grid-template-columns:1fr}
  .ozumkz-hero-text{font-size:15px}
}
@media (max-width:520px){
  .ozumkz-cats,.ozumkz-grid,.ozumkz-topics,.ozumkz-news,.ozumkz-scenes,.ozumkz-voices,.ozumkz-guards{grid-template-columns:1fr}
  .ozumkz-foot-cols{grid-template-columns:1fr;gap:24px}
  .ozumkz-h1{font-size:26px}
  .ozumkz-actions{flex-direction:column;align-items:stretch}
  .ozumkz-btn{width:100%}
  .ozumkz-ranks li{grid-template-columns:34px 1fr auto;row-gap:4px}
  .ozumkz-rank-meta{grid-column:2/4;font-size:12.5px}
  .ozumkz-coupon-name{font-size:24px}
}