/* ===== L9 深色科技风 ===== */

body.layout-9{background:#0a1018;color:var(--c-text)}
body.layout-9 .topbar{background:rgba(10,16,24,.92);border-bottom:1px solid var(--c-line)}
body.layout-9 .topnav a{color:var(--c-text-2)}
body.layout-9 .topnav a.is-active,body.layout-9 .topnav a:hover{color:var(--c-primary)}
.l9-hero{position:relative;text-align:center;padding:56px 20px 40px;overflow:hidden}
.l9-glow{position:absolute;left:50%;top:-160px;transform:translateX(-50%);width:520px;height:380px;background:radial-gradient(ellipse,rgba(34,211,238,.25),transparent 68%);pointer-events:none}
.l9-hero h1{position:relative;margin:0 0 10px;font-size:40px;letter-spacing:2px;background:linear-gradient(120deg,#22d3ee,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.l9-hero h1 span{font-weight:800}
.l9-sub{position:relative;margin:0 0 24px;font-size:13px;color:var(--c-sub);letter-spacing:1px}
.l9-search{position:relative;display:flex;max-width:600px;margin:0 auto;background:#0e1826;border:1px solid #1f3345;border-radius:12px;padding:4px;box-shadow:0 0 0 1px rgba(34,211,238,.12),0 12px 40px rgba(0,0,0,.5)}
.l9-search input{flex:1;border:0;outline:0;background:transparent;padding:12px 16px;font-size:15px;color:var(--c-text)}
.l9-search input::placeholder{color:#4a6478}
.l9-search button{border:0;background:var(--c-brand-grad);color:#04121a;border-radius:9px;padding:0 22px;font-weight:800;letter-spacing:1px;cursor:pointer}
.l9-tags{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}
.l9-tags a{font-size:12px;color:#7fa0b8;border:1px solid var(--c-line);border-radius:999px;padding:4px 12px}
.l9-tags a:hover{color:var(--c-primary);border-color:var(--c-primary)}
.l9-sec{margin:32px 0}
.l9-sec h2{font-size:15px;margin:0 0 14px;letter-spacing:2px;color:var(--c-text);display:flex;align-items:center;gap:10px}
.l9-sec h2 span{font-size:10.5px;color:var(--c-primary);border:1px solid rgba(34,211,238,.35);border-radius:4px;padding:1px 7px;letter-spacing:1.5px}
.l9-rank{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.l9-rank a{display:flex;align-items:center;gap:11px;padding:11px 14px;background:var(--c-card);border:1px solid var(--c-line);border-radius:10px;transition:.18s}
.l9-rank a:hover{border-color:rgba(34,211,238,.5);background:#0f1c29}
.l9-no{width:22px;height:22px;border-radius:6px;background:rgba(34,211,238,.12);color:var(--c-primary);font-size:11.5px;display:flex;align-items:center;justify-content:center;flex:0 0 22px}
.l9-rank b{flex:1;font-size:13.5px;color:var(--c-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.l9-rank em{font-style:normal;font-size:11px;color:var(--c-sub)}
.l9-rank i{font-style:normal;font-size:11px;color:#3c566b}
.l9-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.l9-card{display:flex;flex-direction:column;gap:8px;background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;padding:16px;transition:.2s}
.l9-card:hover{transform:translateY(-3px);border-color:rgba(167,139,250,.45);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.l9-card b{font-size:14px;color:var(--c-text)}
.l9-card span{font-size:12px;color:var(--c-sub);line-height:1.55}
.l9-grid--sm{grid-template-columns:repeat(3,1fr)}
.l9-mini{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;background:var(--c-card);border:1px solid var(--c-line);border-radius:9px;font-size:13px}
.l9-mini b{color:var(--c-text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.l9-mini span{font-size:11px;color:var(--c-sub);flex:0 0 auto}
body.layout-9 .footer{background:#080d14;border-top:1px solid var(--c-line);color:var(--c-sub)}
body.layout-9 .footer a{color:#7fa0b8}
@media(max-width:900px){.l9-grid,.l9-grid--sm{grid-template-columns:1fr 1fr}.l9-rank{grid-template-columns:1fr}}
@media(max-width:520px){.l9-hero h1{font-size:28px}.l9-grid,.l9-grid--sm{grid-template-columns:1fr}}

/* 深色主题：覆盖顶部搜索框的浅色默认样式 */
body.layout-9 .topbar-search input{background:#0d1826;border-color:#1f3345;color:var(--c-text)}
body.layout-9 .topbar-search input::placeholder{color:#4a6478}
body.layout-9 .topbar-search button{background:var(--c-brand-grad);color:#04121a}
body.layout-9 .brand-icon{box-shadow:0 0 0 1px rgba(34,211,238,.25)}
body.layout-9 .container{color:var(--c-text)}
body.layout-9 a{color:inherit}

/* ==== L9 header/hero v2 ==== */

/* ===== L9 header：深色 + 时钟 ===== */
.h9-head{position:sticky;top:0;z-index:60;background:rgba(10,16,24,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(34,211,238,.16);padding-top:env(safe-area-inset-top)}
.h9-in{display:flex;align-items:center;gap:16px;height:62px}
.h9-brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:#e8f4ff;flex:0 0 auto;white-space:nowrap}
.h9-orb{width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#22d3ee,#a78bfa);box-shadow:0 0 14px rgba(34,211,238,.65);flex:0 0 14px}
.h9-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.h9-nav::-webkit-scrollbar{display:none}
.h9-nav a{padding:6px 11px;font-size:13px;color:#8fa4bb;white-space:nowrap;border-radius:6px}
.h9-nav a.on{color:#22d3ee;box-shadow:inset 0 -2px 0 #22d3ee}
.h9-nav a:hover{color:#22d3ee}
.h9-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.h9-clock{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:#22d3ee;letter-spacing:1px}
.h9-rand{font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid rgba(34,211,238,.4);color:#22d3ee;white-space:nowrap}
.h9-rand:hover{background:rgba(34,211,238,.12)}
@media(max-width:820px){.h9-clock{display:none}}
/* ===== L9 hero：左标题 + 全宽巨型搜索 ===== */
.l9-hero{padding:46px 0 26px;text-align:left}
.l9-hero-top{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.l9-hero h1{font-size:34px;margin:0;letter-spacing:-.5px}
.l9-sub{margin:0 0 7px;font-size:13px;color:#7f95ad}
.l9-search{display:flex;width:100%;max-width:none;background:rgba(255,255,255,.04);border:1px solid rgba(34,211,238,.3);border-radius:14px;padding:6px}
.l9-search input{flex:1;min-width:0;height:48px;border:0;background:none;color:#e8f4ff;padding:0 16px;font-size:15px;outline:none}
.l9-search input::placeholder{color:#64798f}
.l9-search button{height:48px;padding:0 30px;border:0;border-radius:10px;background:linear-gradient(135deg,#22d3ee,#a78bfa);color:#08121c;font-weight:700;cursor:pointer}
@media(max-width:700px){.l9-hero h1{font-size:26px}}