/* ============================================================
   趣玩游戏库 GameBox — latest.css
   最新上线页 · 时间线布局 · 深色科技风 · 响应式
   ============================================================ */

:root{
  --bg:#0f1115; --bg-2:#0b0d11; --card:#181c24; --card-2:#1d2330;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.14);
  --txt:#e6e9f0; --txt-2:#9aa3b2; --txt-3:#6b7384;
  --blue:#4f8cff; --purple:#a855f7;
  --grad:linear-gradient(135deg,#4f8cff 0%,#7c5cff 50%,#a855f7 100%);
  --radius:18px; --radius-sm:12px;
  --shadow:0 10px 30px rgba(0,0,0,.45); --shadow-lg:0 24px 60px rgba(0,0,0,.55);
  --blur:saturate(160%) blur(14px); --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden;min-height:100vh}
a{color:inherit;text-decoration:none} ul{list-style:none} img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:30px;font-size:15px;font-weight:600;transition:transform .25s var(--ease),box-shadow .25s;white-space:nowrap;user-select:none}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(79,140,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(79,140,255,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--txt);border:1px solid var(--line-strong);backdrop-filter:var(--blur)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-lg{padding:14px 34px;font-size:16px}
.btn-login{padding:9px 22px;background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--txt)}
.btn-login:hover{background:var(--grad);border-color:transparent}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(15,17,21,.65);backdrop-filter:var(--blur);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,box-shadow .3s}
.navbar.scrolled{background:rgba(11,13,17,.9);border-color:var(--line);box-shadow:0 6px 24px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;height:68px;gap:24px}
.logo{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:800;letter-spacing:.5px;flex-shrink:0}
.logo-icon{font-size:22px;filter:drop-shadow(0 0 8px rgba(79,140,255,.6))}
.logo-text{color:#fff}
.logo-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{flex:1;display:flex;justify-content:center}
.nav-menu ul{display:flex;gap:6px}
.nav-link{position:relative;display:block;padding:9px 16px;border-radius:10px;color:var(--txt-2);font-size:15px;font-weight:500;transition:color .25s,background .25s}
.nav-link:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;background:var(--grad)}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-box{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:30px;padding:5px 6px 5px 16px;transition:border-color .25s,background .25s}
.search-box:focus-within{border-color:var(--blue);background:rgba(79,140,255,.08)}
.search-box input{background:none;border:none;outline:none;color:var(--txt);width:170px;font-size:14px}
.search-box input::placeholder{color:var(--txt-3)}
.search-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:var(--txt-2);transition:.2s}
.search-btn:hover{background:var(--grad);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Page head */
.page-head{padding:100px 0 30px;background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-3);margin-bottom:16px}
.breadcrumb a{color:var(--txt-2);transition:.2s} .breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{opacity:.6} .breadcrumb .cur{color:var(--txt);font-weight:600}
.page-title{font-size:34px;font-weight:900;letter-spacing:1px;margin-bottom:8px;background:linear-gradient(120deg,#fff 30%,#9cc0ff 80%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-desc{color:var(--txt-2);font-size:15px;max-width:600px}

/* Main */
.main-content{padding-top:30px;padding-bottom:60px}

/* Filter bar */
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:7px 18px;border-radius:30px;font-size:13px;font-weight:600;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--txt-2);transition:.25s}
.chip:hover{color:var(--txt);border-color:var(--line-strong);background:rgba(255,255,255,.08)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(79,140,255,.35)}
.filter-count{font-size:14px;color:var(--txt-3)}
.filter-count b{color:var(--blue);font-size:18px;font-weight:800;margin:0 3px}

/* Timeline */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--blue),var(--purple),transparent)}
.tl-group{position:relative;margin-bottom:36px;animation:fadeup .5s var(--ease) both}
.tl-date{position:absolute;left:-32px;top:0;display:flex;align-items:center;gap:12px;font-size:15px;font-weight:800;color:var(--txt);white-space:nowrap}
.tl-dot{width:18px;height:18px;border-radius:50%;background:var(--grad);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--blue),0 0 16px rgba(79,140,255,.5);flex-shrink:0}
.tl-date-label{background:rgba(79,140,255,.12);padding:4px 14px;border-radius:20px;border:1px solid rgba(79,140,255,.3);color:#9cc0ff}
.tl-games{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-top:18px;padding-left:20px}
.tl-card{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.tl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(79,140,255,.45)}
.tl-cover{width:90px;height:120px;flex-shrink:0;overflow:hidden;background:#0b0d11}
.tl-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.tl-card:hover .tl-cover img{transform:scale(1.1)}
.tl-body{padding:14px 16px 14px 0;flex:1;min-width:0}
.tl-name{font-size:15px;font-weight:700;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-tags{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.tag{font-size:11px;padding:3px 8px;border-radius:20px;color:var(--txt-2);background:rgba(79,140,255,.1);border:1px solid rgba(79,140,255,.25)}
.tl-meta{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--txt-3)}
.tl-meta b{color:var(--txt-2);font-weight:600}
.tl-new-badge{display:inline-block;margin-left:8px;padding:2px 8px;font-size:10px;font-weight:700;border-radius:10px;background:linear-gradient(135deg,#ff506e,#a855f7);color:#fff;vertical-align:middle}

/* Empty */
.empty-state{text-align:center;padding:80px 20px}
.empty-icon{font-size:60px;margin-bottom:18px;opacity:.5}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--txt-3);font-size:14px}

/* Load more */
.load-more-wrap{text-align:center;margin-top:20px}
.load-more-wrap.hidden{display:none}

/* Footer */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding-top:54px}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{color:var(--txt-3);font-size:13px;max-width:280px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--txt-3);font-size:13px;transition:.2s} .footer-col a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;text-align:center}
.footer-bottom p{font-size:12px;color:var(--txt-3)}

/* Toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);padding:12px 26px;border-radius:30px;font-size:14px;font-weight:600;color:#fff;background:rgba(24,28,36,.95);border:1px solid var(--line-strong);box-shadow:var(--shadow);backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:.35s var(--ease);z-index:400}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Back top */
.back-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;font-size:20px;font-weight:700;box-shadow:0 10px 26px rgba(79,140,255,.4);opacity:0;pointer-events:none;transition:.3s var(--ease);z-index:90;display:grid;place-items:center}
.back-top.show{opacity:1;pointer-events:auto} .back-top:hover{transform:translateY(-4px)}

@keyframes fadeup{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* Responsive */
@media (max-width:1080px){.tl-games{grid-template-columns:repeat(2,1fr)} .search-box input{width:130px}}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;top:68px;left:0;right:0;flex-direction:column;background:rgba(11,13,17,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:14px 24px 22px;transform:translateY(-130%);transition:transform .35s var(--ease);max-height:calc(100vh - 68px);overflow:auto}
  .nav-menu.open{transform:translateY(0)} .nav-menu ul{flex-direction:column;gap:4px}
  .nav-link{padding:13px 16px;font-size:16px} .nav-link.active::after{display:none} .nav-link.active{background:rgba(79,140,255,.15)}
  .nav-actions{margin-left:auto}
  .filter-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .container{padding:0 16px} .page-head{padding:90px 0 20px} .page-title{font-size:26px}
  .tl-games{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:480px){
  .timeline{padding-left:24px}
  .tl-date{left:-24px;font-size:13px}
  .tl-games{padding-left:10px}
  .footer-inner{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}