/* ============================================
   狗蛋123 AI工具导航站 - VI规范样式
   品牌色：深岩灰 #2B2B2B / 陶土橙 #E67E50 / 犬牙白 #F5F0E6
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #2B2B2B;
  --bg-secondary: #1a1a1a;
  --bg-card: #333333;
  --bg-card-hover: #3a3a3a;
  --text-primary: #F5F0E6;
  --text-secondary: #999999;
  --text-muted: #666666;
  --accent: #E67E50;
  --accent-hover: #f09060;
  --accent-glow: rgba(230, 126, 80, 0.25);
  --ivory: #F5F0E6;
  --border: #444444;
  --border-hover: #555555;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.4);
  --font-cn: 'Noto Sans CJK SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Roboto', 'Noto Sans CJK SC', sans-serif;
  --font-family: var(--font-cn);
  --max-width: 1200px;
  --nav-height: 64px;
  --transition: 0.3s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--ivory);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

/* --- Fade-up Animation --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   1. Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(43, 43, 43, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-logo .logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ivory);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.nav-logo .logo-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Nav Brand Group */
.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Product Switcher */
.product-switcher {
  position: relative;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.product-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(230, 126, 80, 0.1);
  border: 1px solid rgba(230, 126, 80, 0.2);
  border-radius: var(--radius-pill);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.product-switcher-btn:hover {
  background: rgba(230, 126, 80, 0.2);
}

.product-switcher-btn svg {
  transition: transform var(--transition);
}

.product-switcher.active .product-switcher-btn svg {
  transform: rotate(180deg);
}

.product-switcher-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  box-shadow: var(--shadow-card-hover);
  z-index: 100;
}

.product-switcher.active .product-switcher-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.product-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition);
}

.product-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.product-item.active {
  background: rgba(230, 126, 80, 0.15);
}

.product-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.product-item-info {
  flex: 1;
}

.product-item-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.product-item-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.product-item-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  font-weight: 500;
}

/* Nav Login Button */
.nav-login-btn {
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.nav-login-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Mobile Product Switcher */
.mobile-product-switcher {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.mobile-product-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 16px;
  margin-bottom: 8px;
}

.mobile-product-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.mobile-product-item:hover,
.mobile-product-item.active {
  color: var(--accent);
  background: rgba(230, 126, 80, 0.1);
}

.mobile-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 16px;
}

.mobile-login-btn {
  width: calc(100% - 32px);
  margin: 16px;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ivory);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(26, 26, 26, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--accent);
}

/* ============================================
   2. Hero Section
   ============================================ */
.hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230, 126, 80, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -1px;
  position: relative;
  color: var(--ivory);
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero .hero-subtitle {
  font-size: 1.1rem;
  color: #888888;
  margin-bottom: 36px;
  position: relative;
}

/* Search Box */
.search-wrapper {
  max-width: 640px;
  margin: 0 auto 24px;
  position: relative;
}

.search-box {
  width: 100%;
  padding: 16px 20px 16px 52px;
  font-size: 1rem;
  font-family: var(--font-family);
  color: var(--ivory);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box::placeholder {
  color: var(--text-muted);
}

.search-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.2rem;
  pointer-events: none;
}

/* Search Results Overlay */
.search-results-overlay {
  display: none;
  padding: 0 24px 40px;
}

.search-results-overlay.active {
  display: block;
}

.search-results-overlay .container {
  max-width: 900px;
}

.search-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.search-results-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ivory);
}

.search-results-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-family);
  transition: all var(--transition);
}

.search-results-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.search-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.search-result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-result-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.search-result-card .result-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-result-card .result-logo {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.search-result-card .result-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
}

.search-result-card .result-pricing {
  font-size: 0.7rem;
  color: var(--accent);
  background: rgba(230, 126, 80, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: auto;
  white-space: nowrap;
}

.search-result-card .result-oneliner {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.search-result-card .result-link {
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.search-result-card:hover .result-link {
  gap: 8px;
}

.search-no-result {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 1rem;
  grid-column: 1 / -1;
}

/* Hot Tags */
.hot-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  position: relative;
}

.hot-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: rgba(245, 240, 230, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.hot-tag:hover {
  color: var(--bg-primary);
  background: var(--accent);
  border-color: var(--accent);
}

.hot-tag.active {
  color: var(--bg-primary);
  background: var(--accent);
  border-color: var(--accent);
}

/* ============================================
   2.7 国产AI力量专区
   ============================================ */
.domestic-section {
  padding: 64px 0;
  border-top: 1px solid rgba(220, 38, 38, 0.1);
  border-bottom: 1px solid rgba(220, 38, 38, 0.1);
  background: linear-gradient(180deg, rgba(220, 38, 38, 0.03) 0%, transparent 100%);
}

.domestic-section .section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.domestic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.domestic-card {
  background: var(--bg-card);
  border: 1px solid rgba(220, 38, 38, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.domestic-card:hover {
  border-color: rgba(220, 38, 38, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(220, 38, 38, 0.12);
}

.domestic-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.domestic-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.domestic-oneliner {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

/* 查看全部链接 */
.view-all-link {
  display: block;
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
  transition: all var(--transition);
}

.view-all-link:hover {
  color: var(--accent-hover);
  gap: 8px;
}

/* ============================================
   3. Scene Cards Section
   ============================================ */
.scenes-section {
  padding: 64px 0;
}

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
  cursor: pointer;
}

.scene-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.scene-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.scene-card-emoji {
  font-size: 2rem;
  line-height: 1;
}

.scene-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ivory);
}

.scene-card-count {
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(230, 126, 80, 0.1);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-left: auto;
  white-space: nowrap;
}

.scene-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.scene-card-tools {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.scene-tool-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.scene-tool-item .tool-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.scene-tool-item .tool-name {
  color: var(--ivory);
  font-weight: 500;
}

.scene-tool-item .tool-comment {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.scene-card-link {
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
  font-weight: 500;
}

.scene-card:hover .scene-card-link {
  gap: 8px;
}

/* ============================================
   4. Featured Section
   ============================================ */
.featured-section {
  padding: 64px 0;
  background: var(--bg-secondary);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: left;
  transition: all var(--transition);
  position: relative;
}

.featured-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.featured-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.featured-emoji {
  font-size: 2rem;
  line-height: 1;
}

.featured-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ivory);
}

.featured-pricing {
  font-size: 0.7rem;
  color: var(--accent);
  background: rgba(230, 126, 80, 0.1);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-left: auto;
  white-space: nowrap;
}

.featured-reason {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.featured-link {
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
  font-weight: 500;
}

.featured-card:hover .featured-link {
  gap: 8px;
}

.featured-share {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-family);
}

.featured-share:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Copy Toast */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 2000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   5. Beginner Section
   ============================================ */
.beginner-section {
  padding: 64px 0;
}

.beginner-tools {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.beginner-tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.beginner-tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.beginner-tool-logo {
  font-size: 2rem;
  margin-bottom: 8px;
}

.beginner-tool-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 4px;
}

.beginner-tool-reason {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Career Cards */
.career-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 20px;
  text-align: center;
}

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

.career-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.career-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.career-emoji {
  font-size: 2rem;
  margin-bottom: 10px;
}

.career-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 8px;
}

.career-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.career-desc span {
  display: block;
  margin-bottom: 2px;
}

/* ============================================
   6. Footer
   ============================================ */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ivory);
}

.footer-brand-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-submit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 0.85rem;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  font-family: var(--font-family);
  cursor: pointer;
}

.footer-submit:hover {
  background: var(--accent-hover);
}

.footer-copyright {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .scenes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-grid .featured-card:last-child {
    grid-column: 1 / -1;
    max-width: 450px;
    margin: 0 auto;
  }

  .beginner-tools {
    grid-template-columns: repeat(3, 1fr);
  }

  .career-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .domestic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  /* 防止移动端水平溢出 */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .navbar {
    overflow: hidden;
  }

  .nav-brand-group {
    flex: 1;
    min-width: 0;
    overflow: hidden;
  }

  .nav-brand-group a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
  }

  .product-switcher {
    flex-shrink: 0;
    padding-left: 8px;
  }

  .product-switcher-btn {
    padding: 6px 8px;
    font-size: 0.75rem;
  }

  .product-switcher-btn span {
    max-width: 48px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* 增大汉堡菜单触控区域 */
  .hamburger {
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .hero .hero-subtitle {
    font-size: 0.95rem;
  }

  .search-box {
    padding: 14px 16px 14px 44px;
    font-size: 0.9rem;
  }

  .search-icon {
    left: 14px;
    font-size: 1rem;
  }

  .hot-tags {
    gap: 8px;
  }

  .hot-tag {
    font-size: 0.8rem;
    padding: 5px 12px;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .scenes-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .featured-grid .featured-card:last-child {
    max-width: none;
  }

  .beginner-tools {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .beginner-tools .beginner-tool-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 240px;
    margin: 0 auto;
  }

  .career-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 40px);
    padding-bottom: 40px;
  }

  .scenes-section,
  .featured-section,
  .beginner-section,
  .domestic-section {
    padding: 40px 0;
  }

  .search-results-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .beginner-tools {
    grid-template-columns: 1fr 1fr;
  }

  .beginner-tools .beginner-tool-card:last-child:nth-child(odd) {
    grid-column: auto;
    max-width: none;
  }

  .domestic-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ============================================
   Favorites Section
   ============================================ */
.favorites-section {
  padding: 64px 0;
  background: var(--bg-secondary);
}

.favorites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.favorites-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.favorites-empty-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 16px;
  opacity: 0.5;
}

.favorites-empty-hint {
  font-size: 0.85rem;
  margin-top: 8px;
}

.favorite-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.favorite-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.favorite-info {
  flex: 1;
  min-width: 0;
}

.favorite-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.favorite-scene {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.favorite-remove {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.favorite-remove:hover {
  background: rgba(230, 126, 80, 0.1);
  color: var(--accent);
}

/* ============================================
   Guides Section
   ============================================ */
.guides-section {
  padding: 64px 0;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.guide-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.guide-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.guide-link {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.guide-card-cta {
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.1), rgba(230, 126, 80, 0.05));
  border-color: rgba(230, 126, 80, 0.3);
}

.guide-card-cta:hover {
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.15), rgba(230, 126, 80, 0.1));
}

/* ============================================
   Community Section
   ============================================ */
.community-section {
  padding: 64px 0;
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.08), rgba(230, 126, 80, 0.02));
}

.community-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: center;
}

.community-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.community-text > p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.community-benefits {
  list-style: none;
  margin-bottom: 24px;
}

.community-benefits li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.community-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.community-btn {
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.community-btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
}

.community-btn-primary:hover {
  background: var(--accent-hover);
}

.community-btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.community-btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.community-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}

.stat-item {
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   Tool Card Favorite Button
   ============================================ */
.tool-favorite-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1rem;
  z-index: 10;
}

.tool-favorite-btn:hover {
  background: rgba(230, 126, 80, 0.1);
  color: var(--accent);
}

.tool-favorite-btn.active {
  background: rgba(230, 126, 80, 0.15);
  color: var(--accent);
}

.tool-card {
  position: relative;
}

/* Responsive for new sections */
@media (max-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .community-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .community-benefits li {
    justify-content: center;
  }
  
  .community-ctas {
    justify-content: center;
  }
  
  .community-stats {
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .guides-grid {
    grid-template-columns: 1fr;
  }
  
  .favorites-grid {
    grid-template-columns: 1fr;
  }
  
  .community-stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Skeleton Loading Screen
   ============================================ */
.skeleton-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.skeleton-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.skeleton-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  border-radius: 16px;
  animation: skeleton-loading 1.5s infinite;
  margin-bottom: 24px;
}

.skeleton-text {
  width: 200px;
  height: 20px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: skeleton-loading 1.5s infinite;
  margin-bottom: 12px;
}

.skeleton-text.short {
  width: 120px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   Card Skeleton (for async loading)
   ============================================ */
.card-skeleton {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  height: 160px;
}

.card-skeleton-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.card-skeleton-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  border-radius: 12px;
  animation: skeleton-loading 1.5s infinite;
  flex-shrink: 0;
}

.card-skeleton-title {
  flex: 1;
  height: 20px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: skeleton-loading 1.5s infinite;
}

.card-skeleton-line {
  height: 12px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: skeleton-loading 1.5s infinite;
  margin-bottom: 8px;
}

.card-skeleton-line:last-child {
  width: 60%;
}

/* ============================================
   Toast Animation Enhancement
   ============================================ */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 2000;
  box-shadow: 0 4px 12px rgba(230, 126, 80, 0.3);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   Favorite Button Animation
   ============================================ */
.tool-fav-btn {
  position: relative;
  overflow: hidden;
}

.tool-fav-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(230, 126, 80, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.tool-fav-btn:active::before {
  width: 100px;
  height: 100px;
}

.tool-fav-btn.active {
  animation: fav-pulse 0.3s ease;
}

@keyframes fav-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ============================================
   Login Modal Styles
   ============================================ */
.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.login-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.login-modal {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
  margin: 16px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.login-modal-overlay.active .login-modal {
  transform: translateY(0);
}

.login-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition);
}

.login-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.login-modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-modal-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.login-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.login-modal-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.login-modal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.login-tab {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.login-tab.active {
  background: rgba(230, 126, 80, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.login-form {
  display: none;
}

.login-form.active {
  display: block;
}

.login-form .form-group {
  margin-bottom: 16px;
}

.login-form input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.login-form input::placeholder {
  color: var(--text-muted);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-full {
  width: 100%;
}

.login-divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.login-divider span {
  padding: 0 16px;
}

.btn-wechat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #07C160;
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-wechat:hover {
  background: #06AD56;
}

.login-modal-footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 20px;
}

.login-modal-footer a {
  color: var(--accent);
  text-decoration: none;
}

.login-modal-footer a:hover {
  text-decoration: underline;
}

/* 内联错误提示 */
.inline-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-top: 8px;
  animation: shakeIn 0.3s ease;
}

@keyframes shakeIn {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

/* ============================================
   Submit Tool Modal
   ============================================ */
.submit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
}

.submit-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.submit-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 520px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.submit-modal-overlay.active .submit-modal {
  transform: translateY(0);
}

.submit-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}

.submit-modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.submit-modal-header {
  margin-bottom: 24px;
}

.submit-modal-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.submit-modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.submit-modal .form-group {
  margin-bottom: 16px;
}

.submit-modal .form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.submit-modal .form-group label .required {
  color: var(--accent);
}

.submit-modal .form-group input,
.submit-modal .form-group select,
.submit-modal .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-family);
  transition: border-color var(--transition);
  outline: none;
}

.submit-modal .form-group input:focus,
.submit-modal .form-group select:focus,
.submit-modal .form-group textarea:focus {
  border-color: var(--accent);
}

.submit-modal .form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-modal .form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.submit-modal .btn-primary {
  margin-top: 8px;
}

/* ============================================
   Hero 数据规模统计条
   ============================================ */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
  padding: 10px 24px;
  background: rgba(230, 126, 80, 0.08);
  border: 1px solid rgba(230, 126, 80, 0.15);
  border-radius: var(--radius-pill);
  display: inline-flex;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.hero-stat-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-stat-item strong {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.hero-stat-divider {
  color: var(--border);
  font-size: 0.8rem;
}

/* Hero 品牌背书信任文案 */
.hero-trust {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 20px;
  position: relative;
}

.hero-trust strong {
  color: var(--accent);
  font-weight: 700;
}

/* ============================================
   工具卡片增强信息（评分、价格标签、收藏数、标签）
   ============================================ */

/* 评分星星 */
.tool-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: #FFB800;
  font-weight: 600;
}

.tool-rating .rating-star {
  font-size: 0.75rem;
  color: #FFB800;
}

.tool-rating .rating-number {
  color: var(--ivory);
  font-weight: 600;
}

/* 价格标签增强 */
.pricing-free {
  color: #4ADE80 !important;
  background: rgba(74, 222, 128, 0.1) !important;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.pricing-paid {
  color: #FB923C !important;
  background: rgba(251, 146, 60, 0.1) !important;
  border: 1px solid rgba(251, 146, 60, 0.2);
}

.pricing-freemium {
  color: #60A5FA !important;
  background: rgba(96, 165, 250, 0.1) !important;
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.pricing-opensource {
  color: #A78BFA !important;
  background: rgba(167, 139, 250, 0.1) !important;
  border: 1px solid rgba(167, 139, 250, 0.2);
}

/* 收藏数 */
.tool-saves {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tool-saves .saves-icon {
  font-size: 0.7rem;
}

/* 工具标签 */
.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.tool-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: rgba(245, 240, 230, 0.06);
  border: 1px solid rgba(245, 240, 230, 0.1);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

/* 卡片元信息行 */
.tool-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}

/* ============================================
   新工具速递板块
   ============================================ */
.new-tools-section {
  padding: 48px 0 32px;
}

.new-tools-scroll-wrapper {
  position: relative;
  margin: 0 -24px;
  padding: 0 48px;
}

.new-tools-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 8px 0 16px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.new-tools-scroll::-webkit-scrollbar {
  display: none;
}

.new-tool-card {
  flex: 0 0 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.new-tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.new-tool-card .new-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #FF6B6B, #EE5A24);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}

.new-tool-card .new-tool-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.new-tool-card .new-tool-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
}

.new-tool-card .new-tool-oneliner {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.new-tool-card .new-tool-pricing {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  align-self: flex-start;
}

/* 滚动箭头 */
.scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
  box-shadow: var(--shadow-card);
}

.scroll-arrow:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-card-hover);
}

.scroll-arrow-left {
  left: 4px;
}

.scroll-arrow-right {
  right: 4px;
}

/* ============================================
   热门排行板块
   ============================================ */
.hot-rank-section {
  padding: 32px 0 48px;
}

.hot-rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.hot-rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.hot-rank-item:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

/* 排名数字 */
.rank-number {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  flex-shrink: 0;
  color: var(--text-muted);
  background: rgba(245, 240, 230, 0.06);
}

.rank-number.rank-1 {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #1a1a1a;
}

.rank-number.rank-2 {
  background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
  color: #1a1a1a;
}

.rank-number.rank-3 {
  background: linear-gradient(135deg, #CD7F32, #A0522D);
  color: #fff;
}

.hot-rank-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hot-rank-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hot-rank-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.hot-rank-stats .rank-rating {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.85rem;
  color: #FFB800;
  font-weight: 600;
}

.hot-rank-stats .rank-saves {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   响应式：新板块适配
   ============================================ */
@media (max-width: 1024px) {
  .new-tool-card {
    flex: 0 0 220px;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    font-size: 0.8rem;
    gap: 10px;
    padding: 8px 16px;
  }

  .hero-stat-item {
    font-size: 0.8rem;
  }

  .hero-stat-item strong {
    font-size: 0.9rem;
  }

  .hero-trust {
    font-size: 0.8rem;
  }

  .new-tools-section,
  .hot-rank-section {
    padding: 32px 0;
  }

  .new-tools-scroll-wrapper {
    padding: 0 40px;
  }

  .new-tool-card {
    flex: 0 0 200px;
    padding: 16px;
  }

  .scroll-arrow {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
  }

  .scroll-arrow-left {
    left: 2px;
  }

  .scroll-arrow-right {
    right: 2px;
  }

  .hot-rank-item {
    padding: 12px 16px;
    gap: 12px;
  }

  .rank-number {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .hot-rank-name {
    font-size: 0.9rem;
  }

  .hot-rank-stats {
    gap: 10px;
  }

  .hot-rank-stats .rank-rating {
    font-size: 0.8rem;
  }

  .hot-rank-stats .rank-saves {
    font-size: 0.75rem;
  }

  .tool-card-meta {
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-wrap: wrap;
    gap: 6px 12px;
  }

  .hero-stat-divider {
    display: none;
  }

  .new-tools-scroll-wrapper {
    padding: 0 36px;
  }

  .new-tool-card {
    flex: 0 0 180px;
  }
}

/* ============================================
   工具对比入口卡片
   ============================================ */
.compare-entry-section {
  margin-bottom: 20px;
}

.compare-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.08), rgba(230, 126, 80, 0.03));
  border: 1px solid rgba(230, 126, 80, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.compare-entry-card:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.12), rgba(230, 126, 80, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(230, 126, 80, 0.15);
}

.compare-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.compare-entry-info {
  flex: 1;
}

.compare-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.compare-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.compare-entry-arrow {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.compare-entry-card:hover .compare-entry-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .compare-entry-card {
    padding: 16px 20px;
  }
}

/* ============================================
   优惠折扣入口卡片
   ============================================ */
.deals-entry-section {
  margin-bottom: 40px;
}

.deals-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.08), rgba(74, 222, 128, 0.03));
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.deals-entry-card:hover {
  border-color: #4ADE80;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.12), rgba(74, 222, 128, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(74, 222, 128, 0.15);
}

.deals-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.deals-entry-info {
  flex: 1;
}

.deals-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.deals-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.deals-entry-arrow {
  font-size: 1.4rem;
  color: #4ADE80;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.deals-entry-card:hover .deals-entry-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .deals-entry-card {
    padding: 16px 20px;
  }
}

/* ============================================
   Prompt模板库入口卡片
   ============================================ */
.prompts-entry-section {
  margin-bottom: 40px;
}

.prompts-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.08), rgba(167, 139, 250, 0.03));
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.prompts-entry-card:hover {
  border-color: #A78BFA;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.12), rgba(167, 139, 250, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.15);
}

.prompts-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.prompts-entry-info {
  flex: 1;
}

.prompts-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.prompts-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.prompts-entry-arrow {
  font-size: 1.4rem;
  color: #A78BFA;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.prompts-entry-card:hover .prompts-entry-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .prompts-entry-card {
    padding: 16px 20px;
  }
}

/* ============================================
   技能商店入口卡片
   ============================================ */
.skills-entry-section {
  margin-bottom: 40px;
}

.skills-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.08), rgba(211, 84, 0, 0.03));
  border: 1px solid rgba(230, 126, 80, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.skills-entry-card:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(230, 126, 80, 0.12), rgba(211, 84, 0, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(230, 126, 80, 0.15);
}

.skills-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.skills-entry-info {
  flex: 1;
}

.skills-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.skills-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.skills-entry-arrow {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.skills-entry-card:hover .skills-entry-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .skills-entry-card {
    padding: 16px 20px;
  }
}

/* ============================================
   国内AI生态全景板块
   ============================================ */
.eco-section {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(230, 126, 80, 0.03) 0%, transparent 100%);
}

.eco-section .section-header {
  text-align: center;
  margin-bottom: 2rem;
}

/* 筛选标签 */
.eco-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 2rem;
}

.eco-tag {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(245, 240, 230, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-family);
}

.eco-tag:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(230, 126, 80, 0.08);
}

.eco-tag.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

/* 生态网格 */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.eco-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.eco-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eco-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.eco-category-tag {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 500;
}

.eco-category-tag[data-category="agent"],
.eco-card[data-category="agent"] .eco-category-tag {
  color: #60A5FA;
  background: rgba(96, 165, 250, 0.1);
}

.eco-card[data-category="model"] .eco-category-tag {
  color: #F472B6;
  background: rgba(244, 114, 182, 0.1);
}

.eco-card[data-category="tool"] .eco-category-tag {
  color: #A78BFA;
  background: rgba(167, 139, 250, 0.1);
}

.eco-card[data-category="knowledge"] .eco-category-tag {
  color: #34D399;
  background: rgba(52, 211, 153, 0.1);
}

.eco-oneliner {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .eco-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .eco-section {
    padding: 40px 0;
  }

  .eco-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .eco-tags {
    gap: 8px;
  }

  .eco-tag {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .eco-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   AI资讯入口卡片（蓝色渐变边框）
   ============================================ */
.news-entry-section {
  margin-bottom: 40px;
}

.news-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(96, 165, 250, 0.03));
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.news-entry-card:hover {
  border-color: #60A5FA;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(96, 165, 250, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(96, 165, 250, 0.15);
}

.news-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.news-entry-info {
  flex: 1;
}

.news-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.news-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.news-entry-arrow {
  font-size: 1.4rem;
  color: #60A5FA;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.news-entry-card:hover .news-entry-arrow {
  transform: translateX(4px);
}

/* ============================================
   GitHub热榜入口卡片（紫色渐变边框）
   ============================================ */
.github-entry-section {
  margin-bottom: 40px;
}

.github-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.08), rgba(167, 139, 250, 0.03));
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.github-entry-card:hover {
  border-color: #A78BFA;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.12), rgba(167, 139, 250, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.15);
}

.github-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.github-entry-info {
  flex: 1;
}

.github-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.github-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.github-entry-arrow {
  font-size: 1.4rem;
  color: #A78BFA;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.github-entry-card:hover .github-entry-arrow {
  transform: translateX(4px);
}

/* ============================================
   深度科普入口卡片（青色渐变边框）
   ============================================ */
.guides-entry-section {
  margin-bottom: 40px;
}

.guides-entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(34, 211, 238, 0.03));
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}

.guides-entry-card:hover {
  border-color: #22D3EE;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(34, 211, 238, 0.05));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.15);
}

.guides-entry-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.guides-entry-info {
  flex: 1;
}

.guides-entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ivory);
  display: block;
  margin-bottom: 2px;
}

.guides-entry-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.guides-entry-arrow {
  font-size: 1.4rem;
  color: #22D3EE;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.guides-entry-card:hover .guides-entry-arrow {
  transform: translateX(4px);
}

/* 响应式：新入口卡片 */
@media (max-width: 768px) {
  .news-entry-card,
  .github-entry-card,
  .guides-entry-card {
    padding: 16px 20px;
  }
}