*{margin:0;padding:0;box-sizing:border-box;font-family:微软雅黑}
body{background:#f7f9fc;color:#222;line-height:1.7}
.container{max-width:1400px;margin:0 auto;padding:20px}
header{background:#111;color:#fff;padding:16px 0}
.header-wrap{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:24px;font-weight:bold}
.logo a{color:#fff;text-decoration:none}
.nav a{color:#fff;text-decoration:none;margin-left:20px;opacity:0.85}
.nav a:hover{opacity:1}
.btn{display:inline-block;padding:10px 20px;background:#0066ff;color:#fff;border:none;text-decoration:none;cursor:pointer}
.btn-gray{background:#666}
.btn-danger{background:#c62828}
.btn-outline{background:transparent;border:1px solid #0066ff;color:#0066ff}
.btn-disabled{background:#999 !important;cursor:not-allowed}
video{width:100%;max-height:70vh;background:#000}
.play-wrap{display:grid;grid-template-columns:70% 30%;gap:30px;margin-top:30px}
.form-box{max-width:720px;margin:30px auto;padding:30px;background:#fff;border:1px solid #e6e6e6}
.form-item{margin-bottom:20px}
.form-item label{display:block;margin-bottom:8px;font-weight:500}
.form-item input,.form-item textarea,.form-item select{width:100%;padding:12px;border:1px solid #ddd}
table{width:100%;border-collapse:collapse;background:#fff;margin:20px 0}
th,td{padding:14px;border:1px solid #eee;text-align:left}
th{background:#f3f5f8}
.status-0{color:#f57c00}
.status-1{color:#2e7d32}
.status-2{color:#c62828}
.list-item{display:flex;gap:16px;padding:14px;border-bottom:1px solid #eee;cursor:pointer}
.list-item:hover{background:#f0f4f9}
.cover-thumb{width:160px;height:90px;background:#222;color:#fff;display:flex;align-items:center;justify-content:center}
footer{margin-top:60px;padding:30px 0;text-align:center;color:#888;border-top:1px solid #eee}
.search-bar{display:flex;gap:10px;margin:20px 0}
.search-bar input{flex:1;padding:12px;border:1px solid #ddd}
.progress-wrap{margin:16px 0;display:none}
.progress-bg{width:100%;height:16px;background:#eee;border-radius:8px}
.progress-bar{height:100%;width:0%;background:#0066ff;transition:0.1s}
.progress-text{margin-top:8px;color:#333}