:root{--bg:#0b1020;--card:#111a33;--text:#edf2ff;--muted:#aab7d4;--line:#283454;--accent:#5eead4;--accent2:#93c5fd;--white:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#080d1b,#0e162b 40%,#0b1020);color:var(--text);line-height:1.65}a{color:#9bdcff;text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1160px;margin:auto;padding:28px}.narrow{max-width:520px}.site-header{border-bottom:1px solid var(--line);background:rgba(7,12,25,.8);position:sticky;top:0;backdrop-filter:blur(12px);z-index:10}.nav-wrap{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px}.brand{font-weight:800;color:var(--white);font-size:22px}nav a{margin-left:18px;color:var(--muted)}.nav-cta,.button,button{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07111f;border:0;border-radius:999px;padding:10px 18px;font-weight:700;cursor:pointer}.button.subtle{background:#19233e;color:var(--text)}.hero{padding:70px 0}.eyebrow{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.hero h1,h1{font-size:clamp(34px,5vw,64px);line-height:1.05;margin:12px 0}.hero-text{font-size:20px;color:var(--muted);max-width:860px}.searchbar{display:flex;gap:10px;max-width:760px;margin:26px 0}.searchbar input,.form input,.form textarea,.leadbox input,.form select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#091128;color:var(--text)}.form textarea{min-height:130px}.grid{display:grid;gap:22px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.card,.summary-box,.metric{background:rgba(17,26,51,.82);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.paper-card h3{font-size:19px}.meta,.scores{color:var(--muted);font-size:14px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips a{background:#172342;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:#cbd5e1;font-size:14px}.chips.small a{font-size:12px;padding:4px 8px}.quick-links{display:flex;flex-wrap:wrap;gap:10px}.quick-links a{border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:var(--muted)}section{margin:42px 0}.article-wrap{max-width:900px}.article-wrap h2{margin-top:36px}.metric b{font-size:36px;display:block;color:var(--accent)}.metric span{color:var(--muted)}.site-footer{border-top:1px solid var(--line);margin-top:60px;background:#070b16}.leadbox{display:grid;gap:10px}.form{display:grid;gap:14px}.check{display:inline-block;margin:8px 14px 8px 0}.pager{display:flex;justify-content:center;gap:20px;margin:40px}.price{font-size:26px;color:var(--accent);font-weight:800}@media(max-width:760px){.two,.three{grid-template-columns:1fr}.nav-wrap{display:block}nav a{display:inline-block;margin:8px 8px 0 0}.searchbar{display:block}.searchbar button{margin-top:10px}.sound-grid{grid-template-columns:repeat(2,1fr)}.sp-timer-row{flex-wrap:wrap}}
#sleep-player{background:rgba(10,15,35,.92);border:1px solid var(--line);border-radius:28px;padding:32px 28px;margin:40px 0}.sp-title{font-size:clamp(22px,4vw,32px);margin:0 0 6px}.sp-subtitle{color:var(--muted);margin:0 0 26px;font-size:15px}.sound-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}.sound-card{background:#0d1630;border:2px solid var(--line);border-radius:18px;padding:18px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;transition:all .2s;color:var(--text);font-family:inherit;width:100%}.sound-card:hover{border-color:var(--accent);background:#12203a}.sound-card.active{border-color:var(--accent);background:rgba(94,234,212,.12);box-shadow:0 0 24px rgba(94,234,212,.25)}.sound-emoji{font-size:32px;line-height:1}.sound-label{font-weight:700;font-size:14px}.sound-zh{font-size:12px;color:var(--muted)}.sp-controls{display:flex;flex-direction:column;gap:16px}.sp-vol-row{display:flex;align-items:center;gap:12px}.sp-vol-icon{font-size:18px}.sp-vol-slider{flex:1;accent-color:var(--accent);height:6px;cursor:pointer}.sp-timer-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.sp-timer-label{color:var(--muted);font-size:13px;font-weight:600;margin-right:4px;white-space:nowrap}.timer-btn{background:#0d1630;border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--muted);cursor:pointer;font-size:13px;font-weight:600;transition:all .18s}.timer-btn:hover{border-color:var(--accent);color:var(--text)}.timer-btn.active{background:var(--accent);color:#07111f;border-color:var(--accent)}.sp-nowplaying{display:flex;align-items:center;gap:12px;margin-top:22px;background:#091128;border:1px solid var(--line);border-radius:14px;padding:14px 18px;flex-wrap:wrap}.sp-playing-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:sp-pulse 1.4s infinite;flex-shrink:0}@keyframes sp-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}#sp-playing-label{font-weight:700;font-size:15px}.sp-countdown{color:var(--muted);font-size:13px;margin-left:auto}.sp-stop-btn{background:transparent;border:1px solid #475569;border-radius:999px;color:var(--muted);cursor:pointer;font-size:12px;padding:5px 12px;transition:all .18s}.sp-stop-btn:hover{border-color:#f87171;color:#f87171}@media(max-width:520px){.sound-grid{grid-template-columns:repeat(2,1fr)}#sleep-player{padding:20px 14px}.sound-card{padding:14px 8px}.sound-emoji{font-size:26px}}