:root{color-scheme:dark;--bg:#070912;--panel:#10131f;--panel2:#171b2a;--text:#f5f6fb;--muted:#999fb1;--accent:#7c67ff;--accent2:#23c8ff;--danger:#ff6177;--line:#282d3f}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 10%,#15122d 0,transparent 30%),var(--bg);color:var(--text);font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;min-height:100vh}button,input,textarea,select{font:inherit}button{color:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;overflow:hidden;position:relative;padding:24px}.login-card{z-index:2;width:min(420px,100%);padding:46px;border:1px solid #292d43;background:rgba(13,16,27,.88);backdrop-filter:blur(22px);border-radius:28px;box-shadow:0 32px 90px #0009}.brand-mark{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin:auto;background:linear-gradient(135deg,var(--accent),var(--accent2));font-size:27px;font-weight:900;box-shadow:0 16px 40px #7567ff55}.eyebrow{text-align:center;color:#8e82ff;letter-spacing:.28em;font-size:11px;margin:20px 0 8px}.login-card h1{text-align:center;font-size:34px;margin:0}.muted{color:var(--muted)}.login-card>.muted{text-align:center;margin:10px 0 30px}.login-card label{display:block;color:#cbd0df;font-size:13px;margin:16px 0}.login-card input,.field input,.field textarea,.field select{display:block;width:100%;margin-top:8px;background:#0a0d17;border:1px solid var(--line);border-radius:12px;padding:13px 14px;color:white;outline:none}.login-card input:focus,.field input:focus{border-color:var(--accent)}.primary{border:0;border-radius:12px;padding:14px 20px;background:linear-gradient(135deg,var(--accent),#5b8aff);font-weight:700;cursor:pointer;width:100%}.error{color:var(--danger);min-height:20px;text-align:center;font-size:13px}.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.35}.orb-a{width:420px;height:420px;background:#573af5;top:-180px;right:-100px}.orb-b{width:320px;height:320px;background:#008cb8;bottom:-140px;left:-80px}.topbar{height:70px;display:flex;align-items:center;padding:0 max(24px,5vw);border-bottom:1px solid #1d2130;background:#090b13dd;backdrop-filter:blur(18px);position:sticky;top:0;z-index:20}.logo{background:none;border:0;font-size:19px;font-weight:800;display:flex;gap:10px;align-items:center;cursor:pointer}.logo span{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2))}.topbar nav{display:flex;gap:4px;margin-left:46px}.topbar nav button,.menu button{border:0;background:none;padding:10px 14px;color:var(--muted);cursor:pointer}.profile{margin-left:auto;position:relative}.avatar{width:40px;height:40px;border:0;border-radius:50%;background:linear-gradient(135deg,#ff9567,#8b62ff);font-weight:900;cursor:pointer}.menu{position:absolute;right:0;top:50px;background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:10px;width:170px;box-shadow:0 18px 50px #0008}.menu>div{font-weight:700;padding:10px 14px;border-bottom:1px solid var(--line)}.menu button{display:block;width:100%;text-align:left}.page{padding:42px max(24px,5vw) 80px;max-width:1500px;margin:auto}.hero{padding:52px;border-radius:26px;min-height:260px;background:linear-gradient(100deg,#1d183b,#111827 70%,#0c2c3b);position:relative;overflow:hidden}.hero:after{content:'星';position:absolute;font-size:300px;font-weight:900;right:5%;top:-75px;color:#fff;opacity:.035}.hero h1{font-size:clamp(34px,6vw,70px);margin:10px 0}.hero p{max-width:580px;color:#bbc1d2;line-height:1.8}.section-head{display:flex;align-items:end;justify-content:space-between;margin:38px 0 18px}.section-head h2{margin:0}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}.video-card{border:1px solid #202537;background:var(--panel);border-radius:18px;overflow:hidden;cursor:pointer;transition:.2s}.video-card:hover{transform:translateY(-5px);border-color:#554e92}.cover{aspect-ratio:16/10;padding:22px;display:flex;align-items:end;position:relative}.cover:before{content:'▶';position:absolute;inset:0;display:grid;place-items:center;font-size:34px;opacity:.8}.cover b{position:relative;font-size:22px}.card-meta{padding:16px}.card-meta p{margin:6px 0;color:var(--muted);font-size:13px}.episode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(105px,1fr));gap:12px}.episode{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:14px;cursor:pointer}.episode:hover{border-color:var(--accent);background:#211e39}.back{border:0;background:none;color:#a99fff;cursor:pointer;margin-bottom:18px}.player-wrap{max-width:1200px;margin:auto}.player-frame{background:#000;aspect-ratio:16/9;border-radius:16px;overflow:hidden;box-shadow:0 25px 80px #000}.player-frame video{width:100%;height:100%;display:block}.player-info{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:18px}.pill{font-size:12px;padding:6px 10px;border:1px solid #383d52;border-radius:999px;color:#bac0d2}.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:25px}.admin-side{background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:16px;height:max-content}.admin-side button{width:100%;border:0;background:none;padding:13px;border-radius:9px;text-align:left;cursor:pointer}.admin-side button:hover{background:var(--panel2)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.stat{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:14px}.stat b{font-size:25px;display:block;margin-top:8px}.table-wrap{overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-top:22px}table{border-collapse:collapse;width:100%;min-width:720px}th,td{padding:14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--muted)}.small-btn{border:1px solid var(--line);background:var(--panel2);padding:7px 11px;border-radius:8px;cursor:pointer}.modal{position:fixed;inset:0;background:#000a;display:grid;place-items:center;z-index:100;padding:20px}.modal-card{width:min(560px,100%);max-height:90vh;overflow:auto;background:var(--panel2);border:1px solid #393e54;border-radius:20px;padding:28px;position:relative}.close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:28px;color:var(--muted);cursor:pointer}.field{display:block;margin:15px 0;color:#cbd0df;font-size:13px}.checks{display:flex;gap:18px;flex-wrap:wrap;margin:15px 0}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#252a3d;border:1px solid #464c65;padding:12px 20px;border-radius:12px;z-index:200}.progress{height:8px;background:#252a3d;border-radius:99px;overflow:hidden;margin:14px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));width:0}@media(max-width:760px){.topbar nav{display:none}.login-card{padding:32px 24px}.page{padding-top:24px}.hero{padding:28px;min-height:210px}.admin-layout{grid-template-columns:1fr}.admin-side{display:flex;overflow:auto}.admin-side button{white-space:nowrap}.player-info{align-items:flex-start;flex-direction:column}}