/* ===== Design Tokens ===== */
:root {
  --primary: #1A56DB;
  --primary-dark: #1344B0;
  --primary-darker: #0E3D9A;
  --primary-light: #E8F0FE;
  --accent: #0D9488;
  --accent-light: #E6F7F5;
  --gold: #F59E0B;
  --red: #EF4444;
  --text: #111827;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Alert ===== */
.alert { padding: 14px 20px; border-radius: var(--radius-md); margin: 0 auto 16px; max-width: 1280px; font-size: 14px; }
.alert-success { background: #DEF7EC; color: #0B7A70; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #DC2626; border: 1px solid #FECACA; }
.alert { margin-top: 80px; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: 68px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  height: 100%; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--primary);
  cursor: pointer;
}
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 18px; font-weight: 700;
  box-shadow: 0 2px 8px rgba(26,86,219,0.25);
}
.logo-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 2px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  transition: all 0.2s;
}
.nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
}
.nav a.active {
  background: var(--primary);
  color: white;
  font-weight: 600;
}
.nav a.active:hover {
  background: var(--primary-dark);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-text {
  font-size: 14px; color: var(--text-secondary);
  cursor: pointer; background: none; border: none;
  padding: 8px 4px; font-weight: 500;
  transition: color 0.2s;
}
.btn-text:hover { color: var(--primary); }
.btn-primary {
  padding: 9px 22px; background: var(--primary); color: white;
  border: none; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent {
  padding: 9px 22px; background: var(--accent); color: white;
  border: none; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background 0.2s;
}
.btn-accent:hover { background: #0B7A70; }
.btn-outline {
  padding: 9px 22px;
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Page Wrapper ===== */
.page-wrapper {
  margin-top: 0;
}

/* ===== Page (inner layout) ===== */
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ===== Breadcrumb ===== */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

/* ===== Page Header ===== */
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 28px; font-weight: 700; margin-bottom: 6px; }
.page-header p { font-size: 14px; color: var(--text-secondary); }

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, #1A56DB 0%, #0D9488 100%);
  padding: 80px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%; left: -10%;
  width: 60%; height: 80%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -10%;
  width: 50%; height: 70%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.hero .subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  font-weight: 400;
}
.hero-search {
  max-width: 620px;
  margin: 0 auto 28px;
  position: relative;
}
.hero-search-input {
  width: 100%;
  height: 56px;
  padding: 0 56px 0 20px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 28px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  font-size: 16px;
  color: white;
  outline: none;
  transition: all 0.3s;
}
.hero-search-input::placeholder { color: rgba(255,255,255,0.6); }
.hero-search-input:focus {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
}
.hero-search-btn {
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.hero-search-btn:hover { transform: translateY(-50%) scale(1.05); }
.hero-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.hero-tags-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-right: 4px;
}
.hero-tag {
  padding: 5px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  transition: all 0.2s;
}
.hero-tag:hover { text-decoration: none;
  background: rgba(255,255,255,0.25);
  color: white;
  border-color: white;
}

/* ===== Section ===== */
.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}
.section-bg {
  background: var(--white);
  padding: 0;
}
.section-bg .section-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title .emoji {
  font-size: 24px;
}
.section-more {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: color 0.2s;
}
.section-more:hover { color: var(--primary); text-decoration: none; }

/* ===== Quick Start Grid ===== */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.quick-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
}
.quick-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.quick-card-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 14px;
}
.quick-card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.quick-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Category Grid ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.category-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all 0.25s;
}
.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--accent);
}
.category-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.category-info { flex: 1; min-width: 0; }
.category-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.category-count { font-size: 12px; color: var(--text-muted); }

/* ===== Provider Cards ===== */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.provider-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  transition: all 0.25s;
  cursor: pointer;
}
.provider-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.provider-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.provider-avatar {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.provider-name-area { flex: 1; }
.provider-name {
  font-size: 16px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.provider-rating {
  display: flex; align-items: center; gap: 2px;
  font-size: 13px; color: var(--gold); margin-top: 2px;
}
.provider-rating .score { color: var(--text-secondary); margin-left: 4px; font-size: 12px; }
.provider-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.provider-tag {
  padding: 3px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}
.provider-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.provider-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.provider-price {
  font-size: 14px; font-weight: 600; color: var(--primary);
}
.provider-price span { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.btn-sm {
  padding: 7px 18px;
  font-size: 13px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary-sm {
  background: var(--primary);
  color: white;
  border: none;
}
.btn-primary-sm:hover { background: var(--primary-dark); }

/* ===== Project Cards ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.25s;
  cursor: pointer;
}
.project-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.project-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.project-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.project-badge {
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-urgent { background: #FEE2E2; color: #DC2626; }
.badge-new { background: #DEF7EC; color: #0B7A70; }
.badge-hot { background: #FEF3C7; color: #92400E; }
.project-budget {
  font-size: 12px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
}
.project-budget strong { color: var(--accent); }
.project-footer {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.project-footer span { display: flex; align-items: center; gap: 3px; }

/* ===== Discussion Cards ===== */
.discussion-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.discussion-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: all 0.25s;
  cursor: pointer;
}
.discussion-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.discussion-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.discussion-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: white;
  flex-shrink: 0;
}
.discussion-author-name {
  font-size: 13px;
  color: var(--text-secondary);
}
.discussion-author-name small {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: 6px;
}
.discussion-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}
.discussion-title:hover { color: var(--primary); }
.discussion-stats {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.discussion-stats span { display: flex; align-items: center; gap: 3px; }

/* ===== Two Column Layout ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== Ranking List ===== */
.ranking-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.ranking-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ranking-body { padding: 6px 0; }
.ranking-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background 0.15s;
}
.ranking-item:hover { background: var(--primary-light); }
.ranking-number {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.ranking-number.top-1 { background: #FEF3C7; color: #92400E; }
.ranking-number.top-2 { background: #F1F5F9; color: #475569; }
.ranking-number.top-3 { background: #FEF3C7; color: #92400E; }
.ranking-number.normal { background: var(--bg); color: var(--text-muted); font-weight: 500; }
.ranking-content { flex: 1; min-width: 0; }
.ranking-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ranking-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
}
.ranking-stats {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== Stats Grid ===== */
.stats-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.stats-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.stats-body {
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-item {
  padding: 20px 16px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
}
.stat-item:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.stat-value {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Category Tabs ===== */
.category-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}
.category-tab {
  flex-shrink: 0;
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.category-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}
.category-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: 500;
}

/* ===== Action Bar ===== */
.action-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

/* ===== Masonry ===== */
.masonry {
  column-count: 3;
  column-gap: 20px;
  margin-bottom: 32px;
}
@media (max-width: 1024px) {
  .masonry { column-count: 2; }
}
@media (max-width: 640px) {
  .masonry { column-count: 1; }
}

/* ===== Post Card ===== */
.post-card {
  break-inside: avoid;
  margin-bottom: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
  cursor: pointer;
}
.post-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.post-card-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--primary-light), #E6F7F5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--primary);
  opacity: 0.6;
}
.post-card-body { padding: 16px 18px; }
.post-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.post-card-tag { padding: 2px 8px; background: var(--primary-light); color: var(--primary); border-radius: 12px; font-size: 11px; font-weight: 500; }
.post-card-tag.hot-tag { background: #FEE2E2; color: #DC2626; }
.post-card-tag.pinned-tag { background: #FEF3C7; color: #92400E; }
.post-card-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.post-card-title a { color: var(--text); }
.post-card-title a:hover { color: var(--primary); }
.post-card-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border); }
.post-card-author { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.author-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--primary); font-weight: 600; flex-shrink: 0; }
.post-card-stats { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); }
.post-card-stats span { display: flex; align-items: center; gap: 3px; }

/* ===== Pinned Bar ===== */
.pinned-bar {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.pinned-bar .pin-label {
  font-size: 13px;
  font-weight: 600;
  color: #92400E;
  display: flex;
  align-items: center;
  gap: 4px;
}
.pinned-bar a { font-size: 13px; color: var(--text); }
.pinned-bar a:hover { color: var(--primary); }
.pinned-bar .pin-divider { color: #FDE68A; font-size: 12px; }

/* ===== Filter Row ===== */
.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 13px;
}
.filter-row .filter-label { color: var(--text-secondary); }
.filter-row .filter-opt {
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.2s;
}
.filter-row .filter-opt:hover { color: var(--primary); }
.filter-row .filter-opt.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 500;
}

/* ===== Tag Cloud ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.tag-item {
  padding: 6px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.tag-item:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}
.tag-item.hot-tag {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 500;
}

/* ===== Scale Badge ===== */
.scale-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.scale-v2 {
  background: #DBEAFE;
  color: var(--primary);
  border: 1px solid #BFDBFE;
}

/* ===== Pagination ===== */
.scroll-sentinel {
  text-align: center;
  padding: 24px 0 48px;
  color: var(--text-muted);
  font-size: 13px;
}
.scroll-sentinel nav[role="navigation"] {
  display: inline-flex;
  gap: 4px;
}
.scroll-sentinel nav[role="navigation"] a,
.scroll-sentinel nav[role="navigation"] span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text);
  background: var(--white);
  transition: all 0.15s;
}
.scroll-sentinel nav[role="navigation"] a:hover {
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}
.scroll-sentinel nav[role="navigation"] span[aria-current="page"] {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== Footer ===== */
.footer {
  background: #0F172A;
  color: white;
  padding: 48px 24px 24px;
  margin-top: 20px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #94A3B8; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: white; text-decoration: none; }
.footer-bottom {
  max-width: 1280px;
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid #1E293B;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #64748B;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .provider-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .discussion-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
  .hero { padding: 60px 20px 80px; }
}
@media (max-width: 640px) {
  .header-inner { padding: 0 16px; }
  .hero h1 { font-size: 26px; }
  .hero .subtitle { font-size: 15px; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .provider-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .discussion-grid { grid-template-columns: 1fr; }
  .section { padding: 36px 16px 24px; }
  .section-title { font-size: 18px; }
  .stats-body { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-value { font-size: 22px; }
  .footer-inner { flex-direction: column; gap: 16px; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .hero-search { max-width: 100%; }
  .hero-tags { gap: 6px; }
  .quick-card { padding: 18px 12px; }
  .category-card { padding: 14px; }
}
/* Logo */
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;flex-shrink:0}
.logo-icon{font-size:28px;line-height:1}
.logo-text{font-size:18px;font-weight:700;color:var(--text,#1a1a2e)}

/* Navigation */
/* ============================================================
   拓俄网 (Tuoe.net) — 顶部导航重新设计
   Author: 画家 Version: 1.0
   ============================================================ */
:root {
  --primary: #1A56DB; --primary-dark: #1344B0; --primary-light: #E8F0FE;
  --accent: #0D9488; --accent-light: #E6F7F5; --gold: #F59E0B; --red: #EF4444;
  --text: #111827; --text-secondary: #64748B; --text-muted: #94A3B8;
  --bg: #F8FAFC; --white: #FFFFFF; --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --header-height: 68px; --max-width: 1280px; --content-padding: 20px;
  --transition-fast: 0.2s ease; --transition-base: 0.25s ease;
}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-height);background:rgba(255,255,255,.75);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(226,232,240,.6);transition:box-shadow var(--transition-base),background var(--transition-base)}
.header.scrolled{background:rgba(255,255,255,.88);box-shadow:0 1px 6px rgba(0,0,0,.06),0 2px 24px rgba(0,0,0,.04)}
.header-inner{max-width:var(--max-width);height:100%;margin:0 auto;padding:0 var(--content-padding);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-icon{width:36px;height:36px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);color:var(--white);font-size:18px;font-weight:700;line-height:36px;text-align:center;flex-shrink:0;box-shadow:0 2px 8px rgba(26,86,219,.25);transition:transform var(--transition-fast),box-shadow var(--transition-fast);user-select:none}
.logo:hover .logo-icon{transform:scale(1.05);box-shadow:0 3px 14px rgba(26,86,219,.35)}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.02em;white-space:nowrap;transition:color var(--transition-fast)}
.logo:hover .logo-text{color:var(--primary)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:background var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast)}
.nav a:hover{background:var(--primary-light);color:var(--primary)}
.nav a.active{background:var(--primary);color:var(--white);font-weight:600;box-shadow:0 1px 4px rgba(26,86,219,.2)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);border:none;line-height:1;letter-spacing:.01em}
.btn-outline{background:var(--white);color:var(--primary);border:1.5px solid var(--border);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark);box-shadow:0 1px 4px rgba(26,86,219,.12)}
.btn-outline:active{background:#D6E4FD;transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#2563EB 100%);color:var(--white);border:1.5px solid transparent;box-shadow:0 2px 6px rgba(26,86,219,.25)}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);box-shadow:0 3px 12px rgba(26,86,219,.35);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.97);box-shadow:0 1px 3px rgba(26,86,219,.2)}
.hamburger{display:none;align-items:center;justify-content:center;width:40px;height:40px;padding:0;margin:0;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--white);color:var(--text);font-size:22px;line-height:1;cursor:pointer;flex-shrink:0;transition:background var(--transition-fast),border-color var(--transition-fast);-webkit-tap-highlight-color:transparent;user-select:none}
.hamburger:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.hamburger:active{transform:scale(.94)}
body{padding-top:var(--header-height)}
@media(max-width:900px){
  .nav{display:none}.hamburger{display:inline-flex}
  .header-actions{gap:6px}.header-actions .btn{height:34px;padding:0 14px;font-size:13px}
  .header-inner{padding:0 16px;gap:12px}
  .logo-icon{width:32px;height:32px;line-height:32px;font-size:16px}
  .logo-text{font-size:16px}
}
@media(max-width:480px){
  .header-actions .btn{height:32px;padding:0 12px;font-size:12px}
  .header-inner{padding:0 12px;gap:8px}
  .logo-text{font-size:15px}
  .logo-icon{width:30px;height:30px;line-height:30px;font-size:14px}
}
/* Mobile side panel */
.nav-mobile-overlay{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s ease}
.nav-mobile-overlay.open{display:block;opacity:1}
.nav-mobile-panel{position:fixed;top:0;right:0;bottom:0;z-index:1001;width:280px;max-width:80vw;background:var(--white);box-shadow:-4px 0 24px rgba(0,0,0,.10);padding:20px 16px;transform:translateX(100%);transition:transform .3s cubic-bezier(.16,1,.3,1);overflow-y:auto}
.nav-mobile-panel.open{transform:translateX(0)}
.nav-mobile-panel .nav-mobile-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.nav-mobile-panel .nav-mobile-close{width:36px;height:36px;border:none;border-radius:var(--radius-md);background:transparent;font-size:20px;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center}
.nav-mobile-panel .nav-mobile-close:hover{background:var(--primary-light);color:var(--primary)}
.nav-mobile-panel .nav-mobile-links{display:flex;flex-direction:column;gap:2px}
.nav-mobile-panel .nav-mobile-links a{display:flex;align-items:center;height:46px;padding:0 14px;border-radius:var(--radius-md);font-size:15px;font-weight:500;color:var(--text-secondary);text-decoration:none}
.nav-mobile-panel .nav-mobile-links a:hover{background:var(--primary-light);color:var(--primary)}
.nav-mobile-panel .nav-mobile-links a.active{background:var(--primary);color:var(--white);font-weight:600}
.nav-mobile-panel .nav-mobile-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px;padding-top:16px;border-top:1px solid var(--border)}
.nav-mobile-panel .nav-mobile-actions .btn{height:42px;width:100%;font-size:15px}
@media(prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
/* ============================================================
   拓俄网 (Tuoe.net) — 顶部导航重新设计
   Author: 画家
   Version: 1.0
   ============================================================ */

/* ============================
   CSS Variables (Design Tokens)
   ============================ */
:root {
  --primary: #1A56DB;
  --primary-dark: #1344B0;
  --primary-light: #E8F0FE;
  --accent: #0D9488;
  --accent-light: #E6F7F5;
  --gold: #F59E0B;
  --red: #EF4444;
  --text: #111827;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --header-height: 68px;
  --max-width: 1280px;
  --content-padding: 20px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.25s ease;
}

/* ============================
   Header — Fixed frosted glass
   ============================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: box-shadow var(--transition-base),
    background var(--transition-base);
}

/* Shadow on scroll – applied via JS: .header.scrolled */
.header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06), 0 2px 24px rgba(0, 0, 0, 0.04);
}

/* ============================
   Header Inner — Centered container
   ============================ */
.header-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--content-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ============================
   Logo — 拓俄网, no subtitle
   ============================ */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  line-height: 36px;
  text-align: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  user-select: none;
}

.logo:hover .logo-icon {
  transform: scale(1.05);
  box-shadow: 0 3px 14px rgba(26, 86, 219, 0.35);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.logo:hover .logo-text {
  color: var(--primary);
}

/* ============================
   Navigation — Pill-style links
   ============================ */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 18px;
  border-radius: 999px; /* pill */
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
  position: relative;
}

/* Hover state */
.nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Active / current page */
.nav a.active {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(26, 86, 219, 0.2);
}

/* ============================
   Header Actions — Login / Register
   ============================ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ============================
   Button Base
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 20px;
  border-radius: 999px; /* pill */
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  border: none;
  line-height: 1;
  letter-spacing: 0.01em;
}

/* ============================
   .btn-outline — 登录
   ============================ */
.btn-outline {
  background: var(--white);
  color: var(--primary);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: 0 1px 4px rgba(26, 86, 219, 0.12);
}

.btn-outline:active {
  background: #D6E4FD;
  transform: scale(0.97);
}

/* ============================
   .btn-primary — 注册 (Solid Blue)
   ============================ */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #2563EB 100%);
  color: var(--white);
  border: 1.5px solid transparent;
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 3px 12px rgba(26, 86, 219, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 1px 3px rgba(26, 86, 219, 0.2);
}

/* ============================
   Hamburger — Mobile toggle
   ============================ */
.hamburger {
  display: none;          /* hidden on desktop */
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast),
    border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.hamburger:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.hamburger:active {
  transform: scale(0.94);
}

/* ============================
   Responsive — ≤ 900px
   ============================ */
@media (max-width: 900px) {
  /* Hide desktop nav */
  .nav {
    display: none;
  }

  /* Show hamburger */
  .hamburger {
    display: inline-flex;
  }

  /* Make header-actions more compact */
  .header-actions {
    gap: 6px;
  }

  .header-actions .btn {
    height: 34px;
    padding: 0 14px;
    font-size: 13px;
  }

  /* Slightly reduce header padding */
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    line-height: 32px;
    font-size: 16px;
  }

  .logo-text {
    font-size: 16px;
  }
}

/* ============================
   Responsive — ≤ 480px (small phones)
   ============================ */
@media (max-width: 480px) {
  .header-actions .btn {
    height: 32px;
    padding: 0 12px;
    font-size: 12px;
  }

  .header-actions .btn-outline {
    padding: 0 10px;
  }

  .header-inner {
    padding: 0 12px;
    gap: 8px;
  }

  .logo-text {
    font-size: 15px;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
    line-height: 30px;
    font-size: 14px;
  }
}

/* ============================
   Mobile Slide-in Nav Panel
   (Toggled via JS by .hamburger)
   Overlay + side panel
   ============================ */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-mobile-overlay.open {
  display: block;
  opacity: 1;
}

.nav-mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1001;
  width: 280px;
  max-width: 80vw;
  background: var(--white);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.10);
  padding: 20px 16px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.nav-mobile-panel.open {
  transform: translateX(0);
}

.nav-mobile-panel .nav-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.nav-mobile-panel .nav-mobile-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.nav-mobile-panel .nav-mobile-close:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Mobile nav links (vertical list) */
.nav-mobile-panel .nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-mobile-panel .nav-mobile-links a {
  display: flex;
  align-items: center;
  height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--transition-fast),
    color var(--transition-fast);
}

.nav-mobile-panel .nav-mobile-links a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-mobile-panel .nav-mobile-links a.active {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
}

/* Mobile actions (sign-in / sign-up in panel) */
.nav-mobile-panel .nav-mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.nav-mobile-panel .nav-mobile-actions .btn {
  height: 42px;
  width: 100%;
  font-size: 15px;
}

/* ============================
   Accessibility & Utility
   ============================ */
/* Prevent layout shift when header becomes fixed */
body {
  padding-top: var(--header-height);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Focus-visible for keyboard users */
.nav a:focus-visible,
.btn:focus-visible,
.hamburger:focus-visible,
.nav-mobile-close:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============================
   Smooth scrollbar for mobile panel
   ============================ */
.nav-mobile-panel::-webkit-scrollbar {
  width: 4px;
}

.nav-mobile-panel::-webkit-scrollbar-track {
  background: transparent;
}

.nav-mobile-panel::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}
/* Hide mobile panel on desktop */@media (min-width: 901px) {  .nav-mobile-overlay,  .nav-mobile-panel {    display: none !important;  }}
/* ============================================================
   拓俄网 (Tuoe.net) — 登录态页面交互样式
   包含：帖子详情 / 服务市场 / 服务商详情 / 项目详情
   Author: 画家 | Version: 1.0
   ============================================================ */

/* ============================================================
   Shared Auth Header (已并入 nav-redesign.css)
   @大牛 在 layout 中用 @auth/@guest 切换
   登录态 Header：
     [Logo] [Nav] [🔔 notif-bell] [Avatar + Name ▾]
   ============================================================ */

/* ============================================================
   1. 帖子详情 /forum/post/[id]
   ============================================================ */

/* --- 操作栏（点赞/收藏/分享） --- */
.post-actions-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.post-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.post-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.post-action-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.post-action-btn.liked {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #FECACA;
}
.post-action-btn.favorited {
  background: #FEF3C7;
  color: #92400E;
  border-color: #FDE68A;
}
.post-action-btn .action-icon {
  font-size: 15px;
  line-height: 1;
}
.post-action-btn .action-count {
  font-size: 12px;
  font-weight: 600;
}
/* 弹性点赞动画 */
.post-action-btn.liked .action-icon {
  animation: like-pop 0.3s ease;
}
@keyframes like-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

/* --- 评论回复框 --- */
.reply-form {
  margin-top: 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border);
}
.reply-form-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.reply-form-header .user-avatar-sm {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.reply-form-header span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.reply-input-wrap {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.reply-input-wrap textarea {
  flex: 1;
  min-height: 80px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  background: var(--white);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s;
}
.reply-input-wrap textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.08);
}
.reply-submit-btn {
  padding: 10px 24px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.reply-submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.reply-submit-btn:active {
  transform: translateY(0);
}

/* --- 内联回复（楼中楼） --- */
.inline-reply-form {
  display: none;
  margin-top: 12px;
  padding-left: 44px;
}
.inline-reply-form.open {
  display: block;
}
.inline-reply-input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}
.inline-reply-input-group input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  outline: none;
  background: var(--white);
  color: var(--text);
}
.inline-reply-input-group input:focus {
  border-color: var(--primary);
}
.inline-reply-input-group button {
  padding: 8px 16px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.inline-reply-input-group button:hover {
  background: var(--primary-dark);
}
.inline-reply-quote {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  padding: 4px 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
}

/* --- 回复操作（每条回复右侧） --- */
.reply-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.reply-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.reply-action-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.reply-action-btn.liked {
  color: #DC2626;
  background: #FEE2E2;
}

/* ============================================================
   2. 服务市场首页 /services
   ============================================================ */

/* --- 收藏按钮（provider 卡片右上角） --- */
.provider-card {
  position: relative;  /* 现有，确认即可 */
}
.favorite-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.2s;
  z-index: 2;
  line-height: 1;
}
.favorite-toggle:hover {
  background: var(--white);
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.favorite-toggle.favorited {
  background: #FEF3C7;
  border-color: #FDE68A;
  color: #D97706;
}
.favorite-toggle .fav-icon {
  transition: transform 0.2s;
}
.favorite-toggle.favorited .fav-icon {
  animation: fav-pop 0.3s ease;
}
@keyframes fav-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
/* 已收藏卡片标记 */
.provider-card.favorited {
  border-color: #FDE68A;
  box-shadow: 0 0 0 1px #FDE68A;
}

/* --- 「我的询盘」入口 --- */
.my-inquiries-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.my-inquiries-btn:hover {
  background: var(--accent);
  color: white;
  text-decoration: none;
}

/* ============================================================
   3. 服务商详情 /service-provider/[id]
   ============================================================ */

/* --- 发送询盘按钮 --- */
.send-inquiry-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), #2563EB);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(26,86,219,0.25);
}
.send-inquiry-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26,86,219,0.35);
}
.send-inquiry-btn:active {
  transform: translateY(0);
}

/* --- 服务商详情页收藏 --- */
.provider-fav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}
.provider-fav-btn:hover {
  border-color: #FDE68A;
  background: #FFFBEB;
  color: #D97706;
}
.provider-fav-btn.favorited {
  background: #FEF3C7;
  border-color: #FDE68A;
  color: #92400E;
}

/* --- 询盘弹窗 --- */
.inquiry-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.4);
  align-items: center;
  justify-content: center;
}
.inquiry-modal-overlay.open {
  display: flex;
}
.inquiry-modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 480px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  animation: modal-in 0.25s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.inquiry-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.inquiry-modal-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.inquiry-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s;
}
.inquiry-modal-close:hover {
  background: var(--bg);
  color: var(--text);
}
.inquiry-modal-body {
  padding: 20px 24px;
}
.inquiry-form-group {
  margin-bottom: 16px;
}
.inquiry-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.inquiry-form-group select,
.inquiry-form-group input,
.inquiry-form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  background: var(--white);
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.inquiry-form-group select:focus,
.inquiry-form-group input:focus,
.inquiry-form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.08);
}
.inquiry-form-group textarea {
  min-height: 80px;
  resize: vertical;
}
.inquiry-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
}
.inquiry-modal-cancel {
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.inquiry-modal-cancel:hover {
  background: var(--bg);
  color: var(--text);
}
.inquiry-modal-submit {
  padding: 10px 28px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.inquiry-modal-submit:hover {
  background: var(--primary-dark);
}

/* ============================================================
   4. 项目详情 /projects/[id]
   ============================================================ */

/* --- 项目详情页操作区 --- */
.project-detail-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.contact-requester-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), #2563EB);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(26,86,219,0.2);
}
.contact-requester-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26,86,219,0.3);
}

/* --- 相关推荐 --- */
.related-projects {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.related-projects-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.related-projects-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.related-projects-scroll::-webkit-scrollbar {
  height: 4px;
}
.related-projects-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.related-card {
  flex: 0 0 260px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
  display: block;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.related-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}
.related-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 900px) {
  .post-actions-bar {
    flex-wrap: wrap;
  }
  .reply-input-wrap {
    flex-direction: column;
  }
  .reply-submit-btn {
    width: 100%;
  }
  .inquiry-modal {
    width: 100%;
    max-width: 100vw;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 80vh;
    animation: modal-slide-up 0.3s ease;
  }
  .inquiry-modal-overlay.open {
    align-items: flex-end;
  }
  @keyframes modal-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
  .related-card {
    flex: 0 0 200px;
  }
  .contact-requester-btn,
  .send-inquiry-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-action-btn.liked .action-icon,
  .favorite-toggle.favorited .fav-icon,
  .inquiry-modal {
    animation: none !important;
  }
}

/* ============================================================
   拓俄网 — 导航栏全新设计
   Author: 画家 | Version: 2.0
   ============================================================ */

:root {
  --nav-pill-hover-bg: rgba(26, 86, 219, 0.06);
  --user-avatar-size: 32px;
  --shadow-dropdown: 0 4px 16px rgba(0, 0, 0, 0.08),
                    0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* --- 导航链接底部指示线 --- */
.nav a {
  position: relative;
  letter-spacing: 0.01em;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.2s ease, opacity 0.2s ease;
  opacity: 0;
}

.nav a:hover::after {
  width: 40%;
  opacity: 0.5;
}

.nav a.active::after {
  width: 60%;
  opacity: 1;
  background: var(--white);
}

/* --- 通知铃铛 --- */
.notification-bell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 18px;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: all 0.2s ease;
}

.notification-bell:hover {
  background: var(--nav-pill-hover-bg);
  color: var(--primary);
  text-decoration: none;
}

.notification-bell.has-unread::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: #EF4444;
  border-radius: 50%;
  border: 2px solid var(--white);
  box-shadow: 0 1px 3px rgba(239, 68, 68, 0.3);
}

/* --- 用户下拉菜单 --- */
.user-dropdown {
  position: relative;
  cursor: pointer;
  user-select: none;
}

.user-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px 0 10px;
  border-radius: 999px;
  background: transparent;
  transition: all 0.2s ease;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.user-dropdown-trigger:hover {
  background: var(--nav-pill-hover-bg);
  color: var(--primary);
}

.user-dropdown-trigger::before {
  content: attr(data-init);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--user-avatar-size);
  height: var(--user-avatar-size);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.user-dropdown-trigger .arrow {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 2px;
  transition: transform 0.25s ease;
}

.user-dropdown.open .user-dropdown-trigger .arrow {
  transform: rotate(180deg);
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-dropdown);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

.user-dropdown.open .user-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: all 0.15s ease;
}

.user-dropdown-menu a:hover {
  background: var(--nav-pill-hover-bg);
  color: var(--primary);
  text-decoration: none;
}

/* 菜单项图标 */
.user-dropdown-menu a[href*="/profile"]::before {
  content: "👤";
  font-size: 15px;
}
.user-dropdown-menu a[href*="/notifications"]::before {
  content: "🔔";
  font-size: 15px;
}
.user-dropdown-menu a[href*="/logout"]::before {
  content: "🚪";
  font-size: 15px;
}

.user-dropdown-menu a[href*="/logout"]:hover {
  background: #FEE2E2;
  color: #DC2626;
}

/* --- 响应式 --- */
@media (max-width: 900px) {
  .notification-bell { width: 32px; height: 32px; font-size: 16px; }
  .user-dropdown-trigger { height: 34px; padding: 0 10px 0 6px; font-size: 13px; }
  .user-dropdown-trigger::before { width: 28px; height: 28px; font-size: 12px; }
}

/* --- 按钮增强 --- */
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 2px 10px rgba(26, 86, 219, 0.3);
  text-decoration: none;
  transform: translateY(-1px);
}
/* ===== Pagination Fix ===== */
nav[aria-label="Pagination Navigation"] a,
nav[aria-label="Pagination Navigation"] span[aria-disabled="true"] > span {
  display: inline-flex; align-items: center; padding: .5rem 1rem;
  font-size: .875rem; font-weight: 500; line-height: 1.25rem;
  background: var(--white); border: 1px solid var(--border);
  color: var(--text-secondary); text-decoration: none; transition: all .15s;
}
nav[aria-label="Pagination Navigation"] a:hover {
  background: var(--bg); color: var(--text); text-decoration: none;
}
nav[aria-label="Pagination Navigation"] span[aria-disabled="true"] > span {
  opacity: .5; cursor: not-allowed;
}
nav[aria-label="Pagination Navigation"] span[aria-current] > span {
  background: var(--primary); border-color: var(--primary);
  color: white; cursor: default;
}
nav[aria-label="Pagination Navigation"] a[aria-label*="Go to"] {
  color: var(--text-secondary); background: var(--white); border: 1px solid var(--border);
  border-radius: 0; margin-left: -1px;
}
nav[aria-label="Pagination Navigation"] a[aria-label*="Go to"]:hover {
  background: var(--bg); color: var(--text);
}
nav[aria-label="Pagination Navigation"] span[aria-label="‹ 上一页"] > span,
nav[aria-label="Pagination Navigation"] a[rel="prev"] {
  border-radius: .375rem 0 0 .375rem;
}
nav[aria-label="Pagination Navigation"] span[aria-label="下一页 ›"] > span,
nav[aria-label="Pagination Navigation"] a[rel="next"] {
  border-radius: 0 .375rem .375rem 0;
}
nav[aria-label="Pagination Navigation"] span[class*="inline-flex rtl"] {
  display: inline-flex; box-shadow: 0 1px 2px rgba(0,0,0,.05); border-radius: .375rem;
}
nav[aria-label="Pagination Navigation"] svg { width: 1.25rem; height: 1.25rem; }
nav[aria-label="Pagination Navigation"] > div:first-of-type {
  display: flex; gap: .5rem; align-items: center; justify-content: space-between; margin-bottom: 1rem;
}
nav[aria-label="Pagination Navigation"] > div:first-of-type a,
nav[aria-label="Pagination Navigation"] > div:first-of-type span {
  padding: .5rem 1rem; font-size: .875rem; font-weight: 500;
  background: var(--white); border: 1px solid var(--border);
  border-radius: .375rem; text-decoration: none;
}
/* Desktop: show second div, hide first */
@media(min-width:640px){
  nav[aria-label="Pagination Navigation"] > div:first-of-type { display: none; }
  nav[aria-label="Pagination Navigation"] > div:nth-of-type(2) {
    display: flex !important; align-items: center; justify-content: space-between; gap: .5rem;
  }
  nav[aria-label="Pagination Navigation"] > div:nth-of-type(2) > div:first-child { display: block; }
  nav[aria-label="Pagination Navigation"] > div:nth-of-type(2) > div:first-child p {
    font-size: .875rem; color: var(--text-secondary);
  }
  nav[aria-label="Pagination Navigation"] > div:nth-of-type(2) > div:first-child p span.font-medium {
    font-weight: 500; color: var(--text);
  }
}
/* Mobile fallback */
@media(max-width:639px){
  nav[aria-label="Pagination Navigation"] > div:nth-of-type(2) { display: none; }
}