:root {
  --bg: #0e141c;
  --bg-2: #151d28;
  --card: #1b2533;
  --line: #2a3648;
  --text: #e8eef6;
  --muted: #93a0b4;
  --accent: #2ee6c0;
  --accent-2: #f0c36a;
  --danger: #ff6b6b;
  --ok: #3dd68c;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .28);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 72px;
}
.front-body {
  background-color: #0e141c;
  background-image:
    linear-gradient(rgba(14, 20, 28, .72), rgba(14, 20, 28, .78)),
    url("../img/page-bg.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(14, 20, 28, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.logo { font-weight: 800; color: var(--text); letter-spacing: .04em; font-size: 20px; }
.main-nav { display: flex; gap: 6px; flex: 1; }
.nav-item { position: relative; }
.nav-item > a { color: var(--muted); padding: 10px 12px; display: block; border-radius: 8px; }
.nav-item > a:hover, .btn-ghost:hover { color: var(--text); background: var(--card); }
.submenu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 160px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px;
  box-shadow: var(--shadow);
}
.nav-item:hover .submenu { display: grid; }
.submenu a { color: var(--muted); padding: 8px 10px; border-radius: 8px; }
.submenu a:hover { background: var(--bg-2); color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.header-search { display: none; border-top: 1px solid var(--line); padding: 10px 0; }
.header-search.open { display: block; }
.header-search-inline { display: flex; gap: 8px; align-items: center; }
.header-search-inline input { width: 180px; }
.password-wrap { display: flex; gap: 6px; align-items: center; }
.password-wrap input { flex: 1; }
.captcha-field { display: grid; gap: 6px; }
.captcha-wrap { display: flex; gap: 8px; align-items: center; }
.captcha-wrap input { flex: 1; letter-spacing: 3px; text-transform: uppercase; }
.captcha-wrap img { width: 140px; height: 46px; border-radius: 8px; border: 1px solid var(--line); background: #101822; cursor: pointer; }
.captcha-hint { justify-self: start; padding: 4px 0; color: var(--muted); }
.nav-badge { display: inline-block; min-width: 18px; padding: 0 6px; margin-left: 6px; border-radius: 999px; background: #d45656; color: #fff; font-size: 12px; line-height: 18px; text-align: center; }
.search-row, .hero-search { display: flex; gap: 8px; }
.search-row select, .hero-search select, .search-row input, .hero-search input,
input, select, textarea {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; font: inherit;
}
.btn {
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 10px; padding: 10px 14px; cursor: pointer; font: inherit;
}
.btn-primary { background: linear-gradient(180deg, #3af0cc, #1cbc9c); color: #06241d; border: 0; font-weight: 700; }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; display: inline-block; text-align: center; }
.icon-btn { background: none; border: 0; color: var(--text); font-size: 20px; cursor: pointer; }
.hero { padding: 0; text-align: center; background: #071428; }
.hero-banner { position: relative; background: #071428; }
.hero-banner > img {
  width: 100%;
  height: auto;
  max-width: none;
  display: block;
}
.hero-search-panel { padding: 16px 0 20px; }
.hero-search { max-width: 720px; margin: 0 auto; }
.hero-search input { flex: 1; }
.hot-words { margin-top: 16px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.hot-words a { color: var(--muted); background: var(--card); padding: 4px 10px; border-radius: 999px; }
.section { padding: 24px 0 48px; }
.section-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 20px; flex-wrap: wrap; }
.section-head h2, h1 { margin: 0 0 8px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tabs a, .tab-btns button {
  color: var(--muted); padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer; font: inherit;
}
.tabs a.active, .tab-btns button.active { color: #06241d; background: var(--accent); border-color: transparent; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.product-card h2 { font-size: 16px; margin: 0 0 8px; line-height: 1.4; }
.product-card h2 a { color: var(--text); }
.card-body { padding: 14px; }
.card-body p { color: var(--muted); font-size: 13px; min-height: 38px; }
.thumb { position: relative; display: block; aspect-ratio: 16/10; background: #223; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.badge { position: absolute; top: 10px; left: 10px; padding: 3px 8px; border-radius: 6px; font-size: 12px; font-weight: 700; }
.badge-vip { background: var(--accent-2); color: #3a2a00; }
.badge-pay { left: auto; right: 10px; background: #355; color: #dff; }
.meta a { font-size: 12px; color: var(--muted); }
.price-row { display: flex; justify-content: space-between; color: var(--accent-2); font-weight: 700; }
.price-row small { color: var(--muted); font-weight: 500; }
.pager { display: flex; justify-content: center; gap: 16px; margin: 28px 0; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 80px; color: var(--muted); text-align: center; }
.site-footer .footer-links { display: flex; justify-content: center; gap: 18px; margin: 10px 0; }
.site-footer .footer-links a { color: var(--muted); }
.site-footer .footer-links a:hover { color: var(--accent); }
.legal-page { padding: 36px 0 60px; max-width: 800px; }
.legal-page .legal-body { white-space: pre-wrap; line-height: 1.85; color: #d5deea; }
.error-page { padding: 72px 0 80px; text-align: center; }
.inline-filter { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.mobile-tab {
  position: fixed; left: 0; right: 0; bottom: 0; display: none;
  background: #0b1118; border-top: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}
.mobile-tab a { color: var(--muted); text-align: center; padding: 12px 0; font-size: 13px; }
.alert { margin: 12px auto; padding: 10px 14px; border-radius: 10px; width: min(1180px, calc(100% - 32px)); }
.alert-ok { background: #16351f; color: var(--ok); }
.alert-err { background: #3a1a1a; color: var(--danger); }
.product-page { display: grid; grid-template-columns: 1fr 280px; gap: 24px; padding: 28px 0 60px; }
.product-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; margin: 18px 0 24px; }
.product-hero img { border-radius: var(--radius); border: 1px solid var(--line); }
.buy-box, .product-side, .plan-card, .notice, .user-side, .user-main, .auth-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.points, .product-side ul { padding-left: 18px; color: var(--muted); }
.price-box { margin-top: 16px; background: var(--bg-2); padding: 14px; border-radius: 12px; }
.tab-pane { display: none; padding: 16px 0; }
.tab-pane.active { display: block; }
.rich { line-height: 1.8; color: #d5deea; }
.rich img { max-width: 100%; height: auto; }
.download-box { margin-top: 24px; padding: 16px; border: 1px dashed var(--line); border-radius: 12px; }
.hint, .lead { color: var(--muted); }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; }
.plan-price { font-size: 28px; color: var(--accent-2); }
.user-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 28px 0 60px; }
.user-side { display: grid; gap: 8px; height: fit-content; }
.user-side a { color: var(--muted); padding: 8px; border-radius: 8px; }
.user-side a:hover { background: var(--bg-2); color: var(--text); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 16px 0 24px; }
.stat { background: var(--bg-2); padding: 16px; border-radius: 12px; }
.stat span { color: var(--muted); display: block; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; font-size: 14px; }
.form { display: grid; gap: 12px; max-width: 760px; }
.form label { display: grid; gap: 6px; color: var(--muted); }
.check { display: flex; gap: 8px; align-items: center; }
.form-foot { color: var(--muted); }
.auth-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(420px, 100%); }
.auth-card h1 { margin-top: 8px; }
.admin-login-body {
  background-color: #071018;
  background-image:
    linear-gradient(rgba(7, 16, 24, .42), rgba(7, 16, 24, .55)),
    url("../img/admin-login-bg.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
.admin-login-body .auth-card {
  background: rgba(16, 24, 34, .78);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(90, 140, 180, .35);
  box-shadow: 0 16px 50px rgba(0, 0, 0, .45);
}
.admin-body { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; padding-bottom: 0; background: var(--bg); }
.admin-side { background: #101822; border-right: 1px solid var(--line); padding: 18px; }
.admin-side nav { display: grid; gap: 6px; margin-top: 18px; }
.admin-side a { color: var(--muted); padding: 8px 10px; border-radius: 8px; }
.admin-side a.active, .admin-side a:hover { background: var(--card); color: var(--text); }
.admin-main { padding: 20px 28px 48px; }
.admin-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.toolbar { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; align-items: center; }
.inline { display: inline; }
.linkish { background: none; border: 0; color: var(--danger); cursor: pointer; font: inherit; }
.bubble { background: var(--bg-2); padding: 12px; border-radius: 12px; margin: 10px 0; }
.bubble.admin { border: 1px solid var(--accent); }
.faq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.empty { color: var(--muted); grid-column: 1 / -1; }
code { color: var(--accent-2); word-break: break-all; }
@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-search-inline { display: none; }
  .product-page, .product-hero, .user-layout, .admin-body { grid-template-columns: 1fr; }
  .mobile-tab { display: grid; z-index: 40; }
  .front-body { padding-bottom: 76px; }
  .product-page, .user-layout { padding-bottom: 96px; }
  .btn, .user-side button, .user-side a { scroll-margin-bottom: 88px; }
  .admin-side { display: flex; overflow: auto; gap: 8px; }
  .admin-side nav { display: flex; margin: 0; }
  .hero-search-panel { position: static; padding: 16px 0 8px; background: transparent; }
  .hero-search { flex-wrap: wrap; }
  .hero-search select, .hero-search input { flex: 1 1 140px; }
  .front-body { background-position: center top; }
  .admin-login-body {
    place-items: center;
    background-position: left center;
    background-image:
      linear-gradient(rgba(7, 16, 24, .62), rgba(7, 16, 24, .72)),
      url("../img/admin-login-bg.jpg");
  }
}
@media (min-width: 901px) {
  .site-header .icon-btn { display: none; }
  .hero-search-panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 48px 0 28px;
    background: linear-gradient(180deg, transparent 0%, rgba(7, 20, 40, .82) 62%);
  }
  .admin-login-body {
    justify-items: end;
    align-items: center;
    padding: 40px 8vw 40px 24px;
  }
}