:root {
  --bg: #f4f6fb;
  --bg2: #e9edf6;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --text: #14181f;
  --text-2: #5b6472;
  --border: rgba(20, 24, 31, 0.08);
  --primary: #6d5efc;
  --primary-2: #9b7bff;
  --accent: #ff5c8a;
  --ok: #18b277;
  --shadow: 0 12px 40px rgba(20, 24, 31, 0.10);
  --radius: 18px;
  --radius-sm: 12px;
  --glass-blur: blur(18px) saturate(160%);
}
[data-theme="dark"] {
  --bg: #0b0d14;
  --bg2: #12151f;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-solid: #161a25;
  --text: #EEF1F7;
  --text-2: #9aa3b5;
  --border: rgba(255, 255, 255, 0.10);
  --primary: #8b7dff;
  --primary-2: #b9a6ff;
  --accent: #ff6f9c;
  --ok: #2fd49a;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, var(--bg2), transparent),
              radial-gradient(900px 500px at -10% 10%, var(--primary), transparent),
              var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* 顶部栏 */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 800; font-size: 18px; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 0 18px var(--primary); }
.topbar .spacer { flex: 1; }
.btn-icon {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; font-size: 18px;
  display: grid; place-items: center; transition: .2s;
}
.btn-icon:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

/* 容器 */
.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 110px; }

/* 横幅 */
.hero {
  border-radius: 24px; padding: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; position: relative; overflow: hidden; margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.hero::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(255,255,255,.35), transparent 70%); }
.hero h1 { margin: 0 0 8px; font-size: 26px; }
.hero p { margin: 0; opacity: .92; font-size: 14px; }
.hero .vip-pill {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  background: rgba(255,255,255,.18); padding: 10px 16px; border-radius: 999px; font-weight: 700; cursor: pointer;
  border: 1px solid rgba(255,255,255,.3);
}
.hero .vip-pill:hover { background: rgba(255,255,255,.28); }

/* 分类筛选 */
.cats { display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 14px; scrollbar-width: none; }
.cats::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2); cursor: pointer; font-size: 14px; white-space: nowrap; transition: .2s;
}
.chip.active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: transparent; font-weight: 700; }

/* 网格 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.card {
  background: var(--surface); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: transform .25s cubic-bezier(.16,1,.3,1), box-shadow .25s; position: relative;
}
.card:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--shadow); }
.card .cover { position: relative; aspect-ratio: 16/9; background: var(--bg2); }
.card .cover img { width: 100%; height: 100%; object-fit: cover; }
.card .badge {
  position: absolute; top: 10px; left: 10px; font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; color: #fff; background: rgba(0,0,0,.45); backdrop-filter: blur(6px);
}
.card .badge.vip { background: linear-gradient(135deg, var(--accent), #ff9d6c); }
.card .badge.unlocked { background: var(--ok); }
.card .body { padding: 14px 14px 16px; }
.card .body h3 { margin: 0 0 6px; font-size: 15px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .meta { display: flex; align-items: center; justify-content: space-between; }
.card .price { color: var(--accent); font-weight: 800; font-size: 15px; }
.card .price.free { color: var(--ok); }
.card .eps { color: var(--text-2); font-size: 12px; }

/* 底部导航（移动端） */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; justify-content: space-around; align-items: center;
  padding: 10px 8px calc(10px + env(safe-area-inset-bottom));
  background: var(--surface); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border);
}
.bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11px; color: var(--text-2); }
.bottom-nav a .ic { font-size: 20px; }
.bottom-nav a.active { color: var(--primary); }

/* 播放页 */
.player-hero { border-radius: 20px; overflow: hidden; background: #000; position: relative; box-shadow: var(--shadow); }
.video-js { width: 100%; aspect-ratio: 16/9; background: #000; }
.lock-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center; color: #fff; padding: 24px;
  background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.78));
  backdrop-filter: blur(2px);
}
.lock-overlay .big { font-size: 40px; }
.lock-overlay h2 { margin: 0; font-size: 20px; }
.lock-overlay p { margin: 0; opacity: .85; font-size: 14px; }
.ep-list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.ep {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border); cursor: pointer; transition: .2s;
}
.ep:hover { border-color: var(--primary); }
.ep.active { border-color: var(--primary); background: linear-gradient(135deg, rgba(109,94,252,.14), rgba(155,123,255,.08)); }
.ep .num { width: 30px; height: 30px; border-radius: 9px; background: var(--bg2); display: grid; place-items: center; font-weight: 700; font-size: 13px; flex: 0 0 auto; }
.ep .t { flex: 1; font-size: 14px; }
.ep.locked .t { color: var(--text-2); }
.ep .lock { font-size: 14px; }

/* 通用按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  padding: 12px 18px; border-radius: 14px; font-weight: 700; font-size: 15px; border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.block { width: 100%; }
.btn.ok { background: linear-gradient(135deg, var(--ok), #3fe0a8); }
.btn.danger { background: linear-gradient(135deg, #ff5f6d, #ff9966); }

/* 弹层/模态 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.5); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: 60; padding: 18px; }
.modal-mask.show { display: flex; }
.modal {
  width: 100%; max-width: 420px; background: var(--surface-solid); border: 1px solid var(--border);
  border-radius: 22px; padding: 24px; box-shadow: var(--shadow); animation: pop .25s ease;
}
@keyframes pop { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h3 { margin: 0 0 6px; font-size: 19px; }
.modal .sub { color: var(--text-2); font-size: 13px; margin: 0 0 16px; }
.modal .amount { font-size: 30px; font-weight: 800; margin: 8px 0 4px; }
.modal .amount small { font-size: 15px; color: var(--text-2); font-weight: 600; }
.modal .row { display: flex; gap: 10px; margin-top: 14px; }
.modal .notice { font-size: 12px; color: var(--text-2); background: var(--bg2); padding: 10px 12px; border-radius: 12px; margin-top: 14px; line-height: 1.6; word-break: break-all; }
.modal .pay-hint { font-size: 13px; color: var(--text-2); margin: 12px 0 2px; }
.platforms { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 4px; }
.plat-btn {
  flex: 1 1 calc(50% - 10px); min-width: 120px; cursor: pointer;
  padding: 13px 14px; border-radius: 14px; font-weight: 700; font-size: 15px;
  background: var(--surface); color: var(--text); border: 1.5px solid var(--border);
  transition: transform .15s, border-color .2s, background .2s; text-align: center;
}
.plat-btn:hover { transform: translateY(-1px); }
.plat-btn.active {
  border-color: var(--primary); color: var(--primary);
  background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(155,123,255,.06));
}
/* 后台复选 */
.checks { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 4px; }
.ck { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--text); cursor: pointer; }
.ck input { width: 16px; height: 16px; accent-color: var(--primary); }
.paid-state { display: flex; align-items: center; gap: 10px; color: var(--ok); font-weight: 700; margin-top: 10px; }

.toast {
  position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  opacity: 0; pointer-events: none; transition: .3s; z-index: 80; box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.title-row { display: flex; align-items: baseline; justify-content: space-between; margin: 4px 0 16px; }
.title-row h2 { margin: 0; font-size: 20px; }
.title-row .hint { color: var(--text-2); font-size: 13px; }

.section { margin-top: 26px; }
.section h2 { font-size: 18px; margin: 0 0 14px; }

/* 管理后台 */
.admin-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.admin-box h3 { margin: 0 0 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.field input { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-solid); color: var(--text); font-size: 14px; }
.orders-tb { width: 100%; border-collapse: collapse; font-size: 13px; }
.orders-tb th, .orders-tb td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.orders-tb th { color: var(--text-2); font-weight: 600; }
.tag { padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.tag.paid { background: rgba(24,178,119,.16); color: var(--ok); }
.tag.pending { background: rgba(255,92,138,.16); color: var(--accent); }
.tag.vip { background: rgba(109,94,252,.16); color: var(--primary); }

@media (min-width: 760px) {
  .bottom-nav { display: none; }
  .wrap { padding-bottom: 40px; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card .body h3 { font-size: 13px; }
  .hero h1 { font-size: 22px; }
}