/* roulang page: index */
:root{
  --lan-bg:#070a12;
  --lan-panel:#0e1524;
  --lan-panel2:#121c30;
  --lan-ink:#e9efff;
  --lan-mute:#8e9cb8;
  --lan-line:rgba(255,255,255,.09);
  --lan-a:#4d8dff;
  --lan-b:#6ee7ff;
  --lan-rad:16px;
  --lan-sh:0 20px 45px rgba(0,0,0,.5);
  --lan-gap:22px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--lan-bg);color:var(--lan-ink);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--lan-b);outline-offset:3px}
.zttjdn-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

/* 顶栏 */
.zttjdn-topbar{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.84);backdrop-filter:blur(14px);border-bottom:1px solid var(--lan-line)}
.zttjdn-topbar-in{display:flex;align-items:center;gap:24px;min-height:68px}
.zttjdn-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.4px;flex:none}
.zttjdn-logo{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--lan-a),var(--lan-b));color:#04101f;font-size:16px;font-weight:800}
.zttjdn-nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.zttjdn-nav::-webkit-scrollbar{display:none}
.zttjdn-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--lan-mute);white-space:nowrap;transition:color .25s,background .25s}
.zttjdn-nav a:hover,.zttjdn-nav a:focus-visible{color:var(--lan-ink);background:rgba(77,141,255,.14)}
.zttjdn-nav a.is-on{color:#fff;background:rgba(77,141,255,.2)}

/* 首屏 */
.zttjdn-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--lan-line)}
.zttjdn-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4;animation:zttjdn-drift 22s ease-in-out infinite alternate}
@keyframes zttjdn-drift{from{transform:scale(1)}to{transform:scale(1.07)}}
.zttjdn-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,10,18,.97) 6%,rgba(7,10,18,.78) 50%,rgba(7,10,18,.34) 100%)}
.zttjdn-hero-in{position:relative;z-index:2;padding:66px 0 60px}
.zttjdn-kicker{display:inline-flex;align-items:center;gap:9px;padding:6px 15px 6px 11px;border:1px solid rgba(110,231,255,.34);border-radius:999px;background:rgba(110,231,255,.08);font-size:14px;color:#a9e9ff;margin-bottom:20px}
.zttjdn-kicker i{width:7px;height:7px;border-radius:50%;background:var(--lan-b);animation:zttjdn-pulse 2.2s infinite}
@keyframes zttjdn-pulse{0%{box-shadow:0 0 0 0 rgba(110,231,255,.6)}70%{box-shadow:0 0 0 12px rgba(110,231,255,0)}100%{box-shadow:0 0 0 0 rgba(110,231,255,0)}}
.zttjdn-title{font-size:clamp(30px,4.6vw,54px);line-height:1.16;letter-spacing:-.6px;font-weight:800}
.zttjdn-title em{font-style:normal;background:linear-gradient(120deg,var(--lan-a),var(--lan-b));-webkit-background-clip:text;background-clip:text;color:transparent}
.zttjdn-sub{margin-top:14px;font-size:18px;font-weight:500;color:#c6d3ee}
.zttjdn-lead{margin-top:16px;max-width:680px;font-size:16px;color:var(--lan-mute)}
.zttjdn-hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;align-items:center}
.zttjdn-search{display:flex;gap:10px;flex:1 1 330px;min-width:0}
.zttjdn-input{flex:1;min-width:0;height:46px;padding:0 16px;border-radius:12px;border:1px solid var(--lan-line);background:rgba(255,255,255,.05);color:var(--lan-ink);font-size:15px}
.zttjdn-input::placeholder{color:#7f8db0}
.zttjdn-input:focus{border-color:rgba(77,141,255,.75);background:rgba(77,141,255,.09);outline:none}
.zttjdn-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;background:linear-gradient(135deg,var(--lan-a),#2f6fe0);color:#fff;font-size:15px;font-weight:600;transition:transform .22s,box-shadow .22s}
.zttjdn-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(77,141,255,.35)}
.zttjdn-btn-ghost{background:rgba(255,255,255,.05);border-color:var(--lan-line);color:var(--lan-ink)}
.zttjdn-btn-ghost:hover{background:rgba(255,255,255,.1);box-shadow:none}

/* 板块通用 */
.zttjdn-sec{padding:62px 0;border-bottom:1px solid var(--lan-line)}
.zttjdn-sec-head{margin-bottom:28px}
.zttjdn-sec-tag{font-size:12.5px;letter-spacing:3px;color:var(--lan-b);margin-bottom:8px}
.zttjdn-sec-title{font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:-.2px}
.zttjdn-sec-desc{margin-top:10px;max-width:780px;font-size:15px;color:var(--lan-mute)}
.zttjdn-sec-deep{position:relative;overflow:hidden}
.zttjdn-sec-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16}
.zttjdn-sec-deep .zttjdn-wrap{position:relative;z-index:2}

/* 分类频道 */
.zttjdn-chips{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(3,minmax(0,1fr))}
.zttjdn-chip{padding:20px;border-radius:var(--lan-rad);border:1px solid var(--lan-line);background:linear-gradient(160deg,rgba(77,141,255,.13),rgba(255,255,255,.02));transition:transform .26s,border-color .26s}
.zttjdn-chip:hover{transform:translateY(-3px);border-color:rgba(110,231,255,.45)}
.zttjdn-chip h3{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;margin-bottom:8px}
.zttjdn-chip h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lan-b)}
.zttjdn-chip p{font-size:14px;line-height:1.7;color:var(--lan-mute)}

/* 卡片网格 */
.zttjdn-grid{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(4,minmax(0,1fr))}
.zttjdn-card{background:var(--lan-panel);border:1px solid var(--lan-line);border-radius:var(--lan-rad);overflow:hidden;transition:transform .28s,border-color .28s,box-shadow .28s}
.zttjdn-card:hover{transform:translateY(-5px);border-color:rgba(77,141,255,.5);box-shadow:var(--lan-sh)}
.zttjdn-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a1220}
.zttjdn-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.zttjdn-card:hover .zttjdn-thumb img{transform:scale(1.06)}
.zttjdn-badge{position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:8px;font-size:12px;font-weight:600;color:#9fe9ff;background:rgba(6,12,24,.8);border:1px solid rgba(110,231,255,.4)}
.zttjdn-score{position:absolute;right:10px;bottom:10px;padding:2px 8px;border-radius:8px;font-size:12px;font-weight:700;color:#0a1220;background:linear-gradient(135deg,#ffd166,#ffb01f)}
.zttjdn-card-b{padding:14px 15px 16px}
.zttjdn-card-t{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zttjdn-card-m{margin-top:5px;font-size:13px;color:var(--lan-mute)}

/* 榜单 */
.zttjdn-rank{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
.zttjdn-rank li{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:12px;background:var(--lan-panel);border:1px solid var(--lan-line);transition:background .25s,border-color .25s}
.zttjdn-rank li:hover{background:var(--lan-panel2);border-color:rgba(77,141,255,.45)}
.zttjdn-num{flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;color:#9fe9ff;background:rgba(77,141,255,.16)}
.zttjdn-rank li:nth-child(1) .zttjdn-num,.zttjdn-rank li:nth-child(2) .zttjdn-num,.zttjdn-rank li:nth-child(3) .zttjdn-num{background:linear-gradient(135deg,var(--lan-a),var(--lan-b));color:#061020}
.zttjdn-rank-t{flex:1;min-width:0;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zttjdn-pill{flex:none;font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--lan-line);color:var(--lan-mute);white-space:nowrap}
.zttjdn-hot{flex:none;font-size:12px;color:var(--lan-b)}

/* 频道分栏 */
.zttjdn-cols{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(2,minmax(0,1fr))}
.zttjdn-col{padding:22px 22px 10px;border-radius:var(--lan-rad);background:var(--lan-panel);border:1px solid var(--lan-line)}
.zttjdn-col h3{font-size:16px;color:#cddcff;margin-bottom:10px}
.zttjdn-col li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px dashed var(--lan-line);font-size:14.5px}
.zttjdn-col li:first-of-type{border-top:0}
.zttjdn-col li span:last-child{flex:none;font-size:13px;color:var(--lan-mute)}

/* 连载列表 */
.zttjdn-list{display:grid;gap:12px}
.zttjdn-list li{display:flex;align-items:center;gap:16px;padding:15px 18px;border-radius:14px;background:var(--lan-panel);border:1px solid var(--lan-line);transition:transform .25s,border-color .25s}
.zttjdn-list li:hover{transform:translateX(4px);border-color:rgba(77,141,255,.45)}
.zttjdn-list b{flex:none;min-width:112px;font-size:15px}
.zttjdn-list p{flex:1;min-width:0;font-size:14px;color:var(--lan-mute)}
.zttjdn-list em{flex:none;font-style:normal;font-size:12.5px;padding:3px 10px;border-radius:999px;color:#9fe9ff;background:rgba(110,231,255,.1);border:1px solid rgba(110,231,255,.28)}

/* 专题 */
.zttjdn-feats{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(3,minmax(0,1fr))}
.zttjdn-feat{position:relative;display:flex;align-items:flex-end;min-height:236px;border-radius:var(--lan-rad);overflow:hidden;border:1px solid var(--lan-line);background:#0a1220}
.zttjdn-feat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:transform .6s,opacity .4s}
.zttjdn-feat:hover img{transform:scale(1.06);opacity:.7}
.zttjdn-feat-b{position:relative;z-index:2;padding:20px;background:linear-gradient(180deg,transparent,rgba(6,10,20,.92))}
.zttjdn-feat h3{font-size:17px;margin-bottom:6px}
.zttjdn-feat p{font-size:13.5px;color:#b9c7e6}

/* 观察 */
.zttjdn-trends{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(4,minmax(0,1fr))}
.zttjdn-trend{padding:20px;border-radius:var(--lan-rad);border:1px solid var(--lan-line);background:linear-gradient(170deg,rgba(77,141,255,.14),rgba(255,255,255,.015))}
.zttjdn-trend h3{font-size:15px;margin-bottom:8px}
.zttjdn-trend p{font-size:13.5px;color:var(--lan-mute)}
.zttjdn-bar{height:5px;border-radius:99px;background:rgba(255,255,255,.08);margin-top:14px;overflow:hidden}
.zttjdn-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--lan-a),var(--lan-b))}

/* 时间线 */
.zttjdn-tl{display:grid;gap:24px;margin-left:8px;padding-left:26px;border-left:1px dashed rgba(255,255,255,.16)}
.zttjdn-tl li{position:relative}
.zttjdn-tl li::before{content:"";position:absolute;left:-33px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--lan-b);box-shadow:0 0 0 4px rgba(110,231,255,.15)}
.zttjdn-tl b{display:block;font-size:14px;color:#9fe9ff;margin-bottom:4px}
.zttjdn-tl p{font-size:14.5px;color:var(--lan-mute)}

/* 口碑 */
.zttjdn-voices{display:grid;gap:var(--lan-gap);grid-template-columns:repeat(2,minmax(0,1fr))}
.zttjdn-voice{padding:22px;border-radius:var(--lan-rad);background:var(--lan-panel);border:1px solid var(--lan-line)}
.zttjdn-voice p{font-size:15px;color:#d6e0f5}
.zttjdn-voice span{display:block;margin-top:12px;font-size:13px;color:var(--lan-mute)}

/* 问答 */
.zttjdn-faq{display:grid;gap:12px}
.zttjdn-faq li{padding:18px 20px;border-radius:14px;background:var(--lan-panel);border:1px solid var(--lan-line)}
.zttjdn-faq h3{font-size:15.5px;color:#d9e4fb;margin-bottom:7px}
.zttjdn-faq p{font-size:14.5px;color:var(--lan-mute)}

/* 收口 */
.zttjdn-cta{position:relative;overflow:hidden;border-bottom:1px solid var(--lan-line)}
.zttjdn-cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.zttjdn-cta-in{position:relative;z-index:2;padding:66px 0;text-align:center}
.zttjdn-cta h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.zttjdn-cta p{max-width:660px;margin:0 auto 24px;font-size:15px;color:#b9c7e6}

/* 页脚 */
.zttjdn-foot{background:#05080f;padding:56px 0 26px;border-top:1px solid var(--lan-line)}
.zttjdn-foot-grid{display:grid;gap:32px;grid-template-columns:1.4fr 1fr 1fr 1.2fr}
.zttjdn-foot h3{font-size:14px;letter-spacing:1px;color:#c9d7f5;margin-bottom:14px}
.zttjdn-foot p,.zttjdn-foot li,.zttjdn-foot a{font-size:14px;color:var(--lan-mute)}
.zttjdn-foot li{margin-bottom:9px}
.zttjdn-foot a{transition:color .22s}
.zttjdn-foot a:hover{color:var(--lan-b)}
.zttjdn-foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--lan-ink);margin-bottom:12px}
.zttjdn-copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:18px;border-top:1px solid var(--lan-line);font-size:13px;color:#6d7b99}

@media (max-width:1024px){
  .zttjdn-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .zttjdn-trends{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zttjdn-feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zttjdn-foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .zttjdn-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zttjdn-chips{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zttjdn-rank{grid-template-columns:1fr}
  .zttjdn-cols{grid-template-columns:1fr}
  .zttjdn-voices{grid-template-columns:1fr}
  .zttjdn-feats{grid-template-columns:1fr}
  .zttjdn-hero-in{padding:52px 0 48px}
  .zttjdn-sec{padding:46px 0}
  .zttjdn-topbar-in{min-height:62px;gap:14px}
  .zttjdn-nav a{font-size:14px;padding:0 11px}
}
@media (max-width:520px){
  .zttjdn-wrap{padding:0 16px}
  .zttjdn-brand{font-size:14.5px;gap:8px}
  .zttjdn-logo{width:30px;height:30px;border-radius:9px;font-size:14px}
  .zttjdn-nav a{font-size:13.5px;padding:0 9px}
  .zttjdn-grid{gap:14px}
  .zttjdn-chips{grid-template-columns:1fr}
  .zttjdn-trends{grid-template-columns:1fr}
  .zttjdn-foot-grid{grid-template-columns:1fr}
  .zttjdn-title{font-size:28px}
  .zttjdn-sub{font-size:16px}
  .zttjdn-lead,.zttjdn-sec-desc{font-size:14.5px}
  .zttjdn-search{flex:1 1 100%}
  .zttjdn-list li{flex-wrap:wrap;gap:8px}
  .zttjdn-list b{min-width:0}
  .zttjdn-card-t{font-size:14px}
}