:root {
  --primary: #2563eb;
  --primary-2: #4f46e5;
  --primary-soft: #eef2ff;
  --accent: #f59e0b;
  --vip: #f59e0b;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2937;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --border: #e5e7eb;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .05);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);
  --header-h: 62px;
  --tabbar-h: 58px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 14px; color: var(--text); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 600;
  transition: all .15s ease; line-height: 1.2;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: #fff; border: none; box-shadow: 0 4px 14px rgba(37, 99, 235, .3); }
.btn-primary:hover { color: #fff; filter: brightness(1.06); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-xs { padding: 3px 8px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; }
.btn-like { border-color: #fecdd3; color: #e11d48; }
.btn-like:hover { background: #fff1f2; border-color: #e11d48; color: #e11d48; }
.btn-like.liked { background: #e11d48; color: #fff; border-color: #e11d48; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  color: #fff; font-weight: 800; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 17px; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--text-3); }
.main-nav { display: flex; gap: 4px; flex: 1; }
.main-nav a {
  padding: 7px 12px; border-radius: 9px; font-size: 14px; font-weight: 500;
  color: var(--text-2); white-space: nowrap; transition: all .15s;
}
.main-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.main-nav a.on { color: var(--primary); background: var(--primary-soft); font-weight: 700; }
.head-search { display: flex; align-items: center; background: #f1f3f8; border-radius: 10px; padding: 0 12px; border: 1px solid transparent; transition: all .15s; }
.head-search:focus-within { background: #fff; border-color: var(--primary); }
.head-search input { border: none; background: transparent; outline: none; padding: 8px 4px; width: 150px; }
.head-search button { border: none; background: transparent; color: var(--text-2); display: flex; padding: 4px; }
.head-search button:hover { color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .2s; }

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(135deg, #312e81 0%, #4f46e5 45%, #2563eb 100%);
  color: #fff; position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 80% 20%, rgba(255,255,255,.18), transparent 60%),
              radial-gradient(400px 300px at 10% 90%, rgba(255,255,255,.10), transparent 60%);
  pointer-events: none;
}
.hero-inner { padding: 46px 20px 52px; text-align: center; position: relative; z-index: 1; }
.hero h1 { margin: 0 0 8px; font-size: 30px; font-weight: 800; letter-spacing: .5px; }
.hero-desc { margin: 0 auto 24px; max-width: 560px; color: rgba(255,255,255,.85); font-size: 14px; }
.hero-search { display: flex; max-width: 560px; margin: 0 auto; background: #fff; border-radius: 14px; padding: 6px; box-shadow: 0 12px 30px rgba(0,0,0,.22); }
.hero-search input { flex: 1; border: none; outline: none; padding: 10px 16px; font-size: 15px; border-radius: 10px; }
.hero-search button { border: none; background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: #fff; padding: 10px 26px; border-radius: 10px; font-size: 15px; font-weight: 700; }
.hero-tags { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.8); display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; }
.hero-tags a { background: rgba(255,255,255,.15); padding: 4px 12px; border-radius: 999px; color: #fff; transition: background .15s; }
.hero-tags a:hover { background: rgba(255,255,255,.3); }

/* ---------- layout ---------- */
.main-layout { display: grid; grid-template-columns: 1fr 300px; gap: 24px; padding-top: 24px; padding-bottom: 40px; }
.content { min-width: 0; }
.sidebar { display: flex; flex-direction: column; gap: 16px; position: sticky; top: calc(var(--header-h) + 16px); align-self: start; }

/* ---------- cat strip ---------- */
.cat-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.cat-strip a {
  padding: 6px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border);
  font-size: 13px; color: var(--text-2); transition: all .15s;
}
.cat-strip a:hover { color: var(--primary); border-color: var(--primary); }
.cat-strip a.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- list head ---------- */
.list-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.list-title { font-size: 20px; font-weight: 800; margin: 0; }
.list-sub { margin: 2px 0 0; font-size: 13px; color: var(--text-3); }
.sort-tabs { display: flex; gap: 4px; background: #fff; padding: 3px; border-radius: 10px; border: 1px solid var(--border); }
.sort-tabs a { padding: 5px 12px; border-radius: 8px; font-size: 13px; color: var(--text-2); }
.sort-tabs a.on { background: var(--primary); color: #fff; font-weight: 600; }

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-cover { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card:hover .card-cover img { transform: scale(1.05); }
.cover-letter {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.95); font-size: 40px; font-weight: 800; text-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.badge { position: absolute; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 7px; color: #fff; }
.badge-cat { top: 10px; left: 10px; background: rgba(0,0,0,.45); backdrop-filter: blur(4px); }
.badge-vip { top: 10px; right: 10px; background: linear-gradient(135deg, #f59e0b, #ef4444); }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.card-title { margin: 0 0 8px; font-size: 15px; line-height: 1.45; font-weight: 700; }
.card-title a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-title a:hover { color: var(--primary); }
.card-excerpt { margin: 0 0 12px; font-size: 13px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { margin-top: auto; display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-3); }
.meta-item { display: inline-flex; align-items: center; gap: 3px; }
.meta-time { margin-left: auto; }

/* ---------- ranking ---------- */
.rank-list { display: flex; flex-direction: column; gap: 10px; }
.rank-row { display: flex; align-items: center; gap: 14px; background: #fff; border-radius: var(--radius); padding: 12px 16px; box-shadow: var(--shadow); transition: transform .15s; }
.rank-row:hover { transform: translateX(4px); }
.rank-badge { font-size: 16px; font-weight: 800; color: var(--text-3); width: 28px; text-align: center; font-style: italic; flex-shrink: 0; }
.rank-badge.top { color: #fff; background: linear-gradient(135deg, #f59e0b, #ef4444); border-radius: 8px; padding: 4px 0; font-style: normal; font-size: 14px; }
.rank-cover { width: 74px; height: 48px; border-radius: 9px; overflow: hidden; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.9); font-weight: 800; }
.rank-cover img { width: 100%; height: 100%; object-fit: cover; }
.rank-info { flex: 1; min-width: 0; }
.rank-title { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; font-weight: 600; font-size: 14px; }
.rank-meta { font-size: 12px; color: var(--text-3); }
.rank-views { display: inline-flex; align-items: center; gap: 4px; color: var(--text-3); font-size: 13px; flex-shrink: 0; }

/* ---------- sidebar ---------- */
.side-card { background: var(--card); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.side-title { margin: 0 0 12px; font-size: 15px; font-weight: 800; }
.side-announce p { margin: 0; font-size: 13px; color: var(--text-2); line-height: 1.7; }
.side-rank { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.side-rank li { display: flex; align-items: center; gap: 8px; }
.rank-no { width: 20px; height: 20px; border-radius: 6px; background: #f1f3f8; color: var(--text-2); font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rank-no.top { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; }
.side-rank a { flex: 1; font-size: 13px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.side-rank a:hover { color: var(--primary); }
.rank-views { font-size: 11px; color: var(--text-3); }
.side-cats { display: flex; flex-wrap: wrap; gap: 8px; }
.side-cats a { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 5px 10px; background: var(--primary-soft); color: var(--primary); border-radius: 8px; }
.side-cats a em { font-style: normal; opacity: .7; font-size: 11px; }
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.side-tags a { font-size: 12px; padding: 4px 11px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-2); }
.side-tags a:hover { color: var(--primary); border-color: var(--primary); }
.side-vip { text-align: center; background: linear-gradient(160deg, #fffbeb, #fef3c7); border: 1px solid #fde68a; }
.side-vip .vip-icon { font-size: 30px; }
.side-vip h4 { margin: 8px 0 4px; color: #92400e; }
.side-vip p { margin: 0 0 14px; font-size: 12px; color: #b45309; }

/* ---------- pager ---------- */
.pager { display: flex; align-items: center; gap: 6px; justify-content: center; margin-top: 26px; }
.page-btn { min-width: 34px; height: 34px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--border); border-radius: 9px; font-size: 13px; color: var(--text-2); }
.page-btn:hover { color: var(--primary); border-color: var(--primary); }
.page-btn.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn.disabled { opacity: .4; pointer-events: none; }
.page-dots { color: var(--text-3); padding: 0 2px; }

/* ---------- post ---------- */
.crumbs { font-size: 13px; color: var(--text-3); margin-bottom: 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.crumbs a:hover { color: var(--primary); }
.crumbs .current { color: var(--text-2); }
.post { background: var(--card); border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow); }
.post-head h1 { margin: 0 0 14px; font-size: 24px; line-height: 1.4; font-weight: 800; }
.post-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--text-3); }
.post-meta-item { display: inline-flex; align-items: center; gap: 4px; }
.chip { display: inline-flex; align-items: center; gap: 3px; background: var(--primary-soft); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.chip-vip { background: #fef3c7; color: #b45309; }
.post-cover { border-radius: 12px; overflow: hidden; margin: 18px 0; }
.post-cover img { width: 100%; max-height: 420px; object-fit: cover; }
.post-cover-fallback { height: 160px; display: flex; align-items: center; justify-content: center; }
.post-cover-fallback span { font-size: 60px; }
.post-lead { background: var(--primary-soft); border-left: 4px solid var(--primary); padding: 12px 16px; border-radius: 0 10px 10px 0; color: #374151; font-size: 14px; margin: 4px 0 18px; }

/* prose */
.prose { font-size: 15px; line-height: 1.85; color: #374151; word-break: break-word; }
.prose h2, .prose h3, .prose h4 { color: var(--text); margin: 1.6em 0 .6em; line-height: 1.4; }
.prose h2 { font-size: 20px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.prose h3 { font-size: 17px; }
.prose p { margin: .7em 0; }
.prose img { border-radius: 10px; margin: 10px 0; }
.prose a { color: var(--primary); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose blockquote { margin: 1em 0; padding: 10px 16px; background: #f8fafc; border-left: 4px solid #cbd5e1; color: #64748b; border-radius: 0 8px 8px 0; }
.prose code { background: #f1f5f9; padding: 2px 6px; border-radius: 5px; font-size: .9em; color: #be185d; }
.prose pre { background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: 10px; overflow-x: auto; }
.prose pre code { background: transparent; color: inherit; padding: 0; }
.prose table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.prose th { background: #f8fafc; }

/* download box */
.download-box { margin-top: 22px; background: linear-gradient(160deg, #eef2ff, #f8faff); border: 1px solid #dbeafe; border-radius: 12px; padding: 18px; }
.dl-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.dl-head h3 { margin: 0; font-size: 16px; }
.dl-note { font-size: 12px; color: var(--text-3); }
.dl-list { display: flex; flex-direction: column; gap: 10px; }
.dl-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: #fff; border-radius: 10px; padding: 12px 14px; border: 1px solid var(--border); flex-wrap: wrap; }
.dl-label { font-weight: 700; font-size: 14px; }
.dl-action { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.copy-code b { color: var(--accent); }
.dl-tip { margin-top: 12px; font-size: 12px; color: var(--text-3); }

/* post tags + actions */
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.post-tags a { font-size: 13px; color: var(--primary); background: var(--primary-soft); padding: 4px 12px; border-radius: 999px; }
.post-actions { display: flex; gap: 10px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); }

/* related + comments */
.related { margin-top: 26px; }
.section-title { font-size: 18px; font-weight: 800; margin: 0 0 14px; }
.comments { margin-top: 26px; background: var(--card); border-radius: var(--radius); padding: 24px 28px; box-shadow: var(--shadow); }
.alert { padding: 10px 14px; border-radius: 9px; font-size: 13px; margin-bottom: 14px; }
.alert-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-warn { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.comment-form { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.cf-row { display: flex; gap: 10px; }
.comment-form input[type="text"]:not(.hp-field) { flex: 1; }
.comment-form input, .comment-form textarea { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; outline: none; resize: vertical; }
.comment-form input:focus, .comment-form textarea:focus { border-color: var(--primary); }
.comment-form button { align-self: flex-end; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.comment-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.comment-item { display: flex; gap: 12px; }
.comment-avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.comment-body { flex: 1; min-width: 0; }
.comment-meta { display: flex; align-items: center; gap: 10px; }
.comment-meta strong { font-size: 14px; }
.comment-meta time { font-size: 12px; color: var(--text-3); }
.comment-body p { margin: 4px 0 0; font-size: 14px; color: #374151; }
.empty-sm { color: var(--text-3); font-size: 13px; text-align: center; padding: 16px 0; }

/* ---------- empty / notfound ---------- */
.empty { text-align: center; padding: 60px 20px; color: var(--text-3); background: #fff; border-radius: var(--radius); }
.notfound { text-align: center; padding: 80px 20px; }
.nf-code { font-size: 90px; font-weight: 900; background: linear-gradient(135deg, var(--primary-2), var(--primary)); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.notfound h1 { margin: 10px 0 6px; }
.notfound p { color: var(--text-2); margin-bottom: 24px; }

/* ---------- footer ---------- */
.site-footer { background: #fff; border-top: 1px solid var(--border); margin-top: 20px; padding-bottom: calc(var(--tabbar-h) + 20px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; padding: 40px 20px 24px; }
.footer-about p { font-size: 13px; color: var(--text-2); max-width: 320px; }
.brand-footer { margin-bottom: 12px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4 { margin: 0 0 4px; font-size: 14px; }
.footer-links a { font-size: 13px; color: var(--text-2); }
.footer-links a:hover { color: var(--primary); }
.footer-note { font-size: 12px; color: var(--text-3); margin-top: 8px; }
.footer-bottom { display: flex; gap: 16px; justify-content: center; padding: 16px 20px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-3); flex-wrap: wrap; }

/* ---------- mobile tabbar ---------- */
.mobile-tabbar { display: none; position: fixed; bottom: 0; left: 0; right: 0; height: var(--tabbar-h); background: #fff; border-top: 1px solid var(--border); z-index: 60; padding-bottom: env(safe-area-inset-bottom); }
.mobile-tabbar a { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 11px; color: var(--text-3); }
.mobile-tabbar a svg { width: 21px; height: 21px; }
.mobile-tabbar a.on { color: var(--primary); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .main-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .card-grid, .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .wrap { padding: 0 14px; }
  .header-inner { gap: 10px; }
  .main-nav {
    display: none; position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 10px 14px 16px; gap: 2px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); z-index: 55;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; border-radius: 10px; font-size: 15px; }
  .head-search { flex: 1; }
  .head-search input { width: 100%; }
  .nav-toggle { display: flex; }
  .hero-inner { padding: 32px 16px 40px; }
  .hero h1 { font-size: 22px; }
  .hero-search button { padding: 10px 18px; }
  .card-grid, .card-grid-3 { grid-template-columns: 1fr; }
  .post { padding: 18px 16px; }
  .post-head h1 { font-size: 19px; }
  .comments { padding: 18px 16px; }
  .cf-row { flex-direction: column; }
  .dl-item { flex-direction: column; align-items: flex-start; }
  .mobile-tabbar { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; padding-top: 28px; }
}

/* ---------- member nav ---------- */
.member-bar { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.member-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member-dot { width: 6px; height: 6px; border-radius: 50%; background: #10b981; }
.member-login { font-size: 13px; color: var(--text-2); padding: 6px 10px; border-radius: 8px; }
.member-login:hover { color: var(--primary); background: var(--primary-soft); }
.member-recharge { font-size: 13px; font-weight: 600; color: #fff; background: linear-gradient(135deg, var(--primary-2), var(--primary)); padding: 6px 12px; border-radius: 999px; }
.nav-mobile-member { display: none; }

/* ---------- auth pages ---------- */
.auth-wrap { display: flex; justify-content: center; padding-top: 40px; padding-bottom: 60px; min-height: 60vh; }
.auth-card { width: 100%; max-width: 400px; background: #fff; border-radius: 16px; padding: 30px 28px; box-shadow: var(--shadow); }
.auth-card h1 { margin: 0 0 6px; font-size: 22px; }
.auth-sub { margin: 0 0 18px; font-size: 13px; color: var(--text-3); }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-2); }
.auth-form input { border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px; outline: none; font-size: 14px; }
.auth-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.auth-links { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; }
.auth-links a { color: var(--primary); }

/* ---------- member center ---------- */
.member-wrap { padding-top: 24px; padding-bottom: 40px; }
.member-head { display: flex; align-items: center; gap: 16px; background: linear-gradient(135deg, #312e81, #4f46e5 55%, #2563eb); color: #fff; border-radius: 16px; padding: 22px 24px; margin-bottom: 20px; flex-wrap: wrap; }
.member-avatar { width: 54px; height: 54px; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; }
.member-info { flex: 1; min-width: 160px; }
.member-info h1 { margin: 0 0 4px; font-size: 20px; }
.member-info p { margin: 0; font-size: 13px; color: rgba(255,255,255,.85); }
.tag-vip-on { background: rgba(255,255,255,.2); padding: 3px 10px; border-radius: 999px; }
.tag-vip-off { background: rgba(0,0,0,.2); padding: 3px 10px; border-radius: 999px; }
.member-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.balance-box { background: rgba(255,255,255,.15); border-radius: 10px; padding: 6px 14px; text-align: center; }
.balance-box span { display: block; font-size: 11px; opacity: .8; }
.balance-box strong { font-size: 16px; }
.member-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
.member-grid .admin-panel { margin-bottom: 0; }
.purchase-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.purchase-list li { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; border-bottom: 1px solid #f1f3f8; padding-bottom: 8px; }
.purchase-list time { color: var(--text-3); font-size: 12px; white-space: nowrap; }

/* panels/tables reused on public member pages */
.admin-panel { background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 18px 20px; }
.panel-sub { font-size: 15px; font-weight: 700; margin: 0 0 12px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th { text-align: left; padding: 9px 10px; color: var(--text-3); font-weight: 600; border-bottom: 1px solid var(--border); }
.admin-table td { padding: 10px; border-bottom: 1px solid #f1f3f8; }
.admin-table .td-time { color: var(--text-3); white-space: nowrap; }
.link-btn { color: var(--primary); font-size: 13px; background: none; border: none; padding: 0 4px; }
.inline-form { display: inline; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.published { background: #10b981; }
.status-dot.draft { background: var(--text-3); }
.empty-sm { color: var(--text-3); font-size: 13px; text-align: center; padding: 14px 0; }

/* ---------- plans ---------- */
.plan-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.plan-card { border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.plan-card:hover { border-color: var(--primary); box-shadow: 0 6px 18px rgba(37,99,235,.12); }
.plan-days { font-size: 15px; font-weight: 700; }
.plan-price { font-size: 20px; font-weight: 800; color: var(--primary); }
.plan-note { font-size: 11px; color: var(--text-3); }

/* ---------- pay ---------- */
.pay-card { width: 100%; max-width: 420px; background: #fff; border-radius: 16px; padding: 30px 28px; box-shadow: var(--shadow); text-align: center; }
.pay-card h1 { margin: 0 0 10px; font-size: 20px; }
.pay-amount { font-size: 34px; font-weight: 800; color: var(--primary); margin: 6px 0 10px; }
.pay-sub { font-size: 13px; color: var(--text-2); line-height: 1.9; }
.pay-methods { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.btn-alipay { background: #1677ff; color: #fff; border: none; padding: 12px; font-size: 15px; }
.btn-alipay:hover { color: #fff; filter: brightness(1.06); }
.btn-wechat { background: #07c160; color: #fff; border: none; padding: 12px; font-size: 15px; }
.btn-wechat:hover { color: #fff; filter: brightness(1.06); }
.pay-qr { display: block; margin: 12px auto; border: 1px solid var(--border); border-radius: 12px; }
.pay-ok { font-size: 46px; }

/* ---------- paywall ---------- */
.download-box.locked { background: linear-gradient(160deg, #fff7ed, #fffbeb); border-color: #fed7aa; }
.paywall { text-align: center; padding: 10px 6px; }
.paywall-icon { font-size: 34px; }
.paywall h3 { margin: 6px 0; font-size: 17px; }
.paywall p { margin: 6px 0 14px; font-size: 13px; color: var(--text-2); }
.paywall-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.paywall-actions form { display: inline; }
.paywall-tip { font-size: 12px; color: var(--text-3); margin-top: 12px; }

/* ---------- VIP 隐藏内容（网盘） ---------- */
.vip-gate { margin-top: 22px; border: 1px dashed #f0b429; background: linear-gradient(160deg, #fffdf5, #fff8e6); border-radius: 14px; padding: 18px; }
.vip-gate-head { display: flex; gap: 12px; align-items: flex-start; }
.vip-gate-badge { width: 38px; height: 38px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #fef3c7; font-size: 18px; }
.vip-gate-text h3 { margin: 2px 0 4px; font-size: 16px; color: #92400e; }
.vip-gate-text p { margin: 0; font-size: 13px; color: var(--text-2); }
.vip-gate-list { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.vip-gate-item { position: relative; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: #fff; border: 1px solid #fde68a; border-radius: 10px; padding: 11px 14px; filter: blur(.2px); }
.vip-gate-label { font-weight: 700; font-size: 14px; color: var(--text); }
.vip-gate-mask { font-size: 13px; color: var(--text-3); letter-spacing: 1px; user-select: none; }
.vip-gate-code { font-size: 13px; color: var(--text-3); }
.vip-gate-code b { color: #b45309; letter-spacing: 2px; }
.vip-gate-lock { margin-left: auto; font-size: 15px; }
.vip-gate-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.vip-gate-actions form { display: inline; }
.vip-gate-note { margin: 12px 0 0; font-size: 13px; color: #b45309; }
.vip-gate-tip { margin: 6px 0 0; font-size: 12px; color: var(--text-3); }
.vip-inline-lock { display: inline-block; background: #fef3c7; color: #b45309; border-radius: 6px; padding: 1px 8px; font-size: 13px; user-select: none; }
@media (max-width: 760px) {
  .vip-gate-item { align-items: flex-start; flex-direction: column; gap: 4px; }
  .vip-gate-lock { position: absolute; top: 12px; right: 12px; margin-left: 0; }
  .vip-gate-actions .btn { flex: 1 1 auto; text-align: center; }
}

@media (max-width: 960px) {
  .member-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .member-bar { display: none; }
  .nav-mobile-member { display: flex; flex-direction: column; gap: 2px; border-top: 1px solid var(--border); margin-top: 6px; padding-top: 8px; }
  .member-head { padding: 18px 16px; }
}