*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:              #ff3d50;
  --red-dark:         #cc0022;
  --red-glow:         rgba(255,61,80,.18);
  --bg:               #0a0a16;
  --card:             #12121f;
  --card2:            #1a1a2e;
  --text:             #dde0f0;
  --text-sub:         #7070a0;
  --border:           rgba(255,255,255,.07);
  --shadow:           0 2px 12px rgba(0,0,0,.5);
  --radius:           10px;
  --gold:             #f5c842;
  --silver:           #9090b0;
  --bronze:           #c47a40;
  --form-accent:      #ff3d50;
  --form-accent-dark: #cc0022;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1440px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: rgba(10,10,22,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 56px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--red);
  flex-shrink: 0;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--red);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 0 12px var(--red-glow);
}

.header-nav { display: flex; gap: 4px; margin-left: auto; }

.header-nav a {
  color: var(--text-sub);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 20px;
  transition: all .15s;
}

.header-nav a:hover {
  color: var(--red);
  background: var(--red-glow);
}

.header-nav a.submit-btn {
  background: var(--red);
  color: #fff !important;
  border-radius: 6px;
  font-weight: 700;
  margin-left: 6px;
}
.header-nav a.submit-btn:hover {
  background: #c62828;
  color: #fff !important;
}

/* Friend Links */
.friend-links { background: var(--card); border-top: 1px solid #1e1e30; padding: 18px 0; }
.fl-title { font-size: 11px; font-weight: 700; color: #444; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.fl-list { display: flex; flex-wrap: wrap; gap: 8px; }
.fl-item { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; background: var(--card2); border: 1px solid #2a2a40; border-radius: 20px; font-size: 12px; color: var(--text-sub); text-decoration: none; transition: all .15s; }
.fl-item:hover { border-color: var(--red); color: var(--red); text-decoration: none; }
.fl-item img { width: 14px; height: 14px; object-fit: contain; border-radius: 2px; }

/* Main */
.main { padding: 20px 0 40px; }

/* Grid */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 1200px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px)  { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px)  { .cat-grid { grid-template-columns: 1fr; } }

/* Card */
.cat-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, box-shadow .2s;
}

.cat-card:hover {
  border-color: rgba(255,61,80,.3);
  box-shadow: 0 4px 20px rgba(255,61,80,.1);
}

.cat-card-header {
  background: linear-gradient(135deg, #1e0a14 0%, #2a0d1c 100%);
  border-bottom: 1px solid rgba(255,61,80,.2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-card-header h3 {
  font-size: 14px;
  font-weight: 700;
  flex: 1;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cat-count {
  font-size: 11px;
  color: var(--red);
  background: rgba(255,61,80,.15);
  padding: 2px 7px;
  border-radius: 10px;
  border: 1px solid rgba(255,61,80,.25);
  flex-shrink: 0;
}

/* Site list */
.site-list { list-style: none; flex: 1; }

.site-item {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  gap: 7px;
  transition: background .1s;
}

.site-item:last-child { border-bottom: none; }
.site-item:hover { background: rgba(255,255,255,.03); }

.site-rank { width: 18px; text-align: center; font-size: 12px; font-weight: 700; color: #333; flex-shrink: 0; }
.site-rank.r1 { color: var(--gold); }
.site-rank.r2 { color: var(--silver); }
.site-rank.r3 { color: var(--bronze); }

.site-favicon { width: 16px; height: 16px; border-radius: 3px; flex-shrink: 0; opacity: .85; }

.site-link {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .1s;
}

.site-link:hover { color: var(--red); }

.site-clicks {
  font-size: 11px;
  color: var(--red);
  background: rgba(255,61,80,.12);
  border: 1px solid rgba(255,61,80,.2);
  padding: 1px 6px;
  border-radius: 8px;
  flex-shrink: 0;
  white-space: nowrap;
}

.site-clicks.hot {
  background: rgba(255,111,0,.15);
  border-color: rgba(255,111,0,.3);
  color: #ff9030;
  animation: pulse 2s infinite;
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.6} }

/* Card footer */
.card-footer {
  border-top: 1px solid var(--border);
  padding: 9px 16px;
  text-align: center;
  background: rgba(0,0,0,.2);
}

.view-all {
  color: var(--text-sub);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .15s;
}

.view-all:hover { color: var(--red); }

/* Category full page */
.page-bar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.page-bar .container { display: flex; align-items: center; justify-content: space-between; }
.breadcrumb { font-size: 12px; color: var(--text-sub); }
.breadcrumb a { color: var(--red); }

.cat-full {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.cat-full-header {
  background: linear-gradient(135deg, #1e0a14, #2a0d1c);
  border-bottom: 1px solid rgba(255,61,80,.2);
  padding: 20px 24px;
}

.cat-full-header h2 { font-size: 20px; font-weight: 700; color: #fff; }
.cat-full-header p  { font-size: 13px; opacity: .6; margin-top: 4px; }

.site-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.site-grid .site-item {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
}

@media (max-width: 1000px) { .site-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .site-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px)  { .site-grid { grid-template-columns: 1fr; } }

.empty { padding: 60px 20px; text-align: center; color: var(--text-sub); font-size: 15px; }

/* Footer */
.site-footer {
  text-align: center;
  padding: 24px;
  color: var(--text-sub);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

/* ── Mobile: 手机端头部只保留「提交网站」按钮 ── */
@media (max-width: 767px) {
  .header-nav a:not(.submit-btn) { display: none; }
  .header-nav { margin-left: auto; }
}