/* ============ 基础 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  background: #f5f6fa;
  color: #222;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.container { width: min(1080px, 94%); margin: 0 auto; }
a { color: #3b5bdb; text-decoration: none; }
a:hover { opacity: .85; }
.muted { color: #8a8f99; }
.small { font-size: 12px; }
main.container { flex: 1; padding: 28px 0 40px; }

/* ============ 头部 ============ */
.site-header { background: #1b2233; color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; flex-wrap: wrap; gap: 8px; }
.search-box { display: flex; gap: 6px; }
.search-box input { padding: 6px 12px; border: 1px solid #d0d4de; border-radius: 18px; font-size: 13px; width: 180px; background: #fff; }
.search-box button { border: 1px solid #3b5bdb; background: #3b5bdb; color: #fff; border-radius: 18px; padding: 6px 14px; font-size: 13px; cursor: pointer; }
.logo { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 18px; font-size: 14px; flex-wrap: wrap; }
.nav a { color: #d5d9e4; }
.nav a:hover { color: #fff; }
.nav-user { color: #fff; }
.badge { background: #f59f00; color: #fff; font-size: 11px; padding: 2px 7px; border-radius: 10px; margin-left: 6px; font-style: normal; }

/* ============ 提示 ============ */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-ok { background: #e9f9ef; color: #2b8a3e; border: 1px solid #b7e4c7; }
.flash-warn { background: #fff4e5; color: #c07f00; border: 1px solid #ffe0b2; }

/* ============ 首页 ============ */
.page-head { margin-bottom: 16px; }
.page-head h1 { font-size: 24px; margin-bottom: 6px; }
.cat-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.cat-pill { background: #fff; border: 1px solid #e2e4ea; padding: 5px 14px; border-radius: 16px; font-size: 13px; color: #555; }
.cat-pill:hover { border-color: #3b5bdb; color: #3b5bdb; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #e6e8ee; color: #222; transition: box-shadow .15s; }
.card:hover { box-shadow: 0 6px 20px rgba(20, 30, 60, .12); }
.card-cover { position: relative; aspect-ratio: 16 / 9; background: #2b3245; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-cover-fallback { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #cfd4e0; font-size: 22px; letter-spacing: 2px; }
.lock { position: absolute; top: 10px; left: 10px; background: rgba(0, 0, 0, .72); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 12px; }
.dur { position: absolute; right: 10px; bottom: 10px; background: rgba(0, 0, 0, .65); color: #fff; font-size: 12px; padding: 2px 8px; border-radius: 8px; }
.card-body { padding: 12px 14px 14px; }
.card-body h3 { font-size: 15px; margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { display: inline-block; background: #eef2ff; color: #3b5bdb; font-size: 12px; padding: 2px 8px; border-radius: 10px; margin-bottom: 6px; }

/* ============ 视频详情 ============ */
.detail .player-wrap { margin-bottom: 20px; }
.player { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; }
.player-locked {
  width: 100%; aspect-ratio: 16 / 9; background: #1b2233;
  border-radius: 12px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: #d5d9e4; text-align: center; padding: 20px;
}
.lock-icon { font-size: 42px; margin-bottom: 10px; }
.player-locked h2 { margin-bottom: 8px; color: #fff; }
.player-locked p { max-width: 460px; margin-bottom: 16px; }
.lock-actions { display: flex; gap: 12px; }
.detail-meta h1 { font-size: 22px; margin-bottom: 8px; }
.detail-meta .muted { margin-bottom: 14px; }
.desc { background: #fff; border: 1px solid #e6e8ee; border-radius: 10px; padding: 16px; line-height: 1.7; white-space: pre-wrap; }

/* ============ 按钮 ============ */
.btn { display: inline-block; background: #fff; border: 1px solid #d0d4de; color: #333; padding: 9px 22px; border-radius: 8px; font-size: 14px; cursor: pointer; }
.btn-primary { background: #3b5bdb; border-color: #3b5bdb; color: #fff; }
.btn-primary:hover { background: #3350c4; }
.btn-mini { border: 1px solid #d0d4de; background: #fff; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; color: #444; }
.btn-mini.danger { color: #c92a2a; border-color: #f0c9c9; }
.btn-mini.danger:hover { background: #fff0f0; }

/* ============ 表单 ============ */
.form-card { max-width: 420px; margin: 40px auto; background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 30px; }
.form-card h1 { font-size: 20px; margin-bottom: 18px; }
.form-card label, .form-stack label { display: block; font-size: 13px; color: #555; margin: 12px 0 6px; }
.form-card input, .form-stack input, .form-stack select, .form-stack textarea {
  width: 100%; padding: 9px 12px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; font-family: inherit;
}
.form-card input:focus, .form-stack input:focus, .form-stack select:focus, .form-stack textarea:focus { outline: none; border-color: #3b5bdb; }
.form-card .btn { width: 100%; margin-top: 20px; }
.form-card .muted { margin-top: 14px; font-size: 13px; }
.form-stack .check { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.form-stack .check input { width: auto; }
.form-stack textarea { resize: vertical; }

/* ============ 会员页 ============ */
.member-page h1 { font-size: 24px; margin-bottom: 8px; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 24px 0; }
.plan-card { background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 22px; text-align: center; }
.plan-card h3 { margin-bottom: 8px; }
.plan-days { font-size: 28px; font-weight: 700; color: #3b5bdb; margin-bottom: 6px; }
.contact-box { background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 20px 24px; }
.contact-box h3 { margin-bottom: 10px; }
.contact-box ol { margin-left: 18px; line-height: 1.9; }
.buy-box { background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 20px 24px; text-align: center; margin-bottom: 16px; }
.buy-btn { display: inline-block; font-size: 18px; font-weight: 700; padding: 12px 40px; border-radius: 10px; }

/* ============ 管理后台 ============ */
.admin-layout { display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: start; }
.admin-side { background: #1b2233; border-radius: 12px; padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; }
.admin-side h2 { color: #fff; font-size: 15px; padding: 0 10px 10px; }
.admin-side a { color: #c6cbda; font-size: 14px; padding: 8px 10px; border-radius: 8px; }
.admin-side a:hover { background: #283046; color: #fff; }
.admin-side a.active { background: #3b5bdb; color: #fff; }
.admin-main { background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 24px; min-height: 400px; }
.admin-main h1 { font-size: 20px; margin-bottom: 14px; }
.admin-main h2 { font-size: 16px; margin: 24px 0 10px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 14px; margin-bottom: 8px; }
.stat { background: #f7f8fb; border: 1px solid #e6e8ee; border-radius: 10px; padding: 16px; text-align: center; }
.stat p { font-size: 26px; font-weight: 700; color: #3b5bdb; }
.stat span { font-size: 13px; color: #777; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { border-bottom: 1px solid #eef0f4; padding: 10px 8px; text-align: left; }
.table th { color: #777; font-weight: 600; background: #fafbfd; }
.table .ok { color: #2b8a3e; }
.table .bad { color: #c92a2a; }
.actions { display: flex; gap: 8px; }
.actions form { margin: 0; }
.grant-box { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.grant-box select { padding: 8px 12px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; }
.grant-box input[type=number] { padding: 8px 12px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; width: 140px; }
.radio-row { display: flex; gap: 20px; align-items: center; padding: 6px 0; }
.lock-tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; background: #fdf2e2; color: #c07f00; }
.section-title { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px; }
.zone-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.zone-bar .cat-pill { border: 1px solid #d0d4de; border-radius: 16px; padding: 5px 16px; font-size: 13px; color: #333; text-decoration: none; }
.zone-bar .cat-pill.active { background: #1b2233; color: #fff; border-color: #1b2233; }
.section-title h2 { font-size: 18px; margin: 0; }
.tag.pub { background: #e8f5ec; color: #1e8e3e; }
.tag.vip { background: #fdf2e2; color: #c07f00; }
.comments { margin-top: 34px; padding-top: 18px; border-top: 1px solid #eef0f4; }
.comments h2 { font-size: 17px; margin: 0 0 12px; }
.comment-form { margin-bottom: 16px; }
.comment-form textarea { width: 100%; padding: 10px 12px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; box-sizing: border-box; resize: vertical; margin-bottom: 8px; }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list li { padding: 10px 2px; border-bottom: 1px solid #f3f4f8; }
.comment-list li:last-child { border-bottom: none; }
.comment-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; flex-wrap: wrap; }
.comment-user { font-weight: 600; font-size: 13.5px; }
.comment-body { font-size: 14px; color: #333; word-break: break-word; }
.inline-form { margin-left: auto; display: inline; }
.home-layout { display: flex; gap: 24px; align-items: flex-start; }
.home-side { width: 300px; flex-shrink: 0; }
.board { background: #fff; border: 1px solid #e6e8ee; border-radius: 12px; padding: 14px 16px; position: sticky; top: 16px; max-height: calc(100vh - 120px); overflow-y: auto; }
.board h2 { font-size: 16px; margin: 0 0 10px; }
.board .comment-form { margin-bottom: 10px; }
.board .comment-form textarea { font-size: 13px; }
.board .comment-list li { font-size: 13px; }
.reply-list { list-style: none; margin: 6px 0 4px; padding: 4px 8px; background: #f8f9fb; border-radius: 8px; }
.reply-list li { border-bottom: 1px dashed #e8ebf1; padding: 5px 0; }
.reply-list li:last-child { border-bottom: none; }
.reply-list .comment-body { font-size: 13px; color: #444; }
.reply-form { display: flex; gap: 6px; margin-top: 6px; }
.reply-form input { flex: 1; min-width: 0; padding: 5px 8px; border: 1px solid #d0d4de; border-radius: 6px; font-size: 12px; }
.home-main { flex: 1; min-width: 0; }
.mono { font-family: Consolas, 'Courier New', monospace; letter-spacing: 0.5px; }
.card-gen { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 12px 0 16px; }
.card-gen label { font-size: 13px; color: #666; }
.card-gen input[type=number] { width: 90px; padding: 8px 10px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; }
.redeem-form { display: flex; gap: 10px; align-items: center; margin-top: 8px; }
.redeem-form input { flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid #d0d4de; border-radius: 8px; font-size: 14px; }
@media (max-width: 860px) {
  .home-layout { flex-direction: column; }
  .home-side { width: 100%; }
  .board { position: static; max-height: none; }
}

/* ============ 页脚 ============ */
.site-footer { background: #1b2233; color: #8a8f99; font-size: 13px; padding: 16px 0; }

/* ============ 响应式 ============ */
@media (max-width: 760px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { flex-direction: row; flex-wrap: wrap; }
  .header-inner { justify-content: center; }
  .nav { justify-content: center; gap: 12px; }
}