/* ============================================================
   AIUFAN 爱游 - 前台样式
   白橙渐变主题 | Glass Morphism | 60fps 动效
   ============================================================ */

/* ---------- 重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
*:focus { outline: none; }

:root {
  --orange: #FF6B35;
  --orange-light: #FF8E53;
  --orange-soft: #FFF5F0;
  --orange-gradient: linear-gradient(135deg, #FF6B35 0%, #FF8E53 100%);
  --purple: #7C3AED;
  --teal: #14B8A6;
  --pink: #EC4899;
  --white: #FFFFFF;
  --dark: #1A1A2E;
  --gray: #6B7280;
  --gray-light: #F3F4F6;
  --shadow-sm: 0 2px 8px rgba(255, 107, 53, 0.08);
  --shadow-md: 0 8px 24px rgba(255, 107, 53, 0.12);
  --shadow-lg: 0 16px 48px rgba(255, 107, 53, 0.16);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--dark);
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF5F0 50%, #FFE8DA 100%);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; cursor: pointer; font-family: inherit; }

/* ---------- 装饰光球 ---------- */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}
.bg-orb-1 { width: 500px; height: 500px; background: var(--orange); top: -100px; right: -100px; animation: floatOrb 12s ease-in-out infinite; }
.bg-orb-2 { width: 400px; height: 400px; background: var(--pink); bottom: 10%; left: -80px; animation: floatOrb 15s ease-in-out infinite reverse; }
.bg-orb-3 { width: 350px; height: 350px; background: var(--purple); top: 40%; right: 20%; animation: floatOrb 18s ease-in-out infinite; opacity: 0.15; }

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s var(--ease);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-sm);
  padding: 12px 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--orange);
}
.nav-logo img { width: 36px; height: 36px; border-radius: 8px; }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--orange-gradient);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 20px; font-weight: 900;
}

.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-link {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  transition: all 0.3s var(--ease);
}
.nav-link:hover { background: var(--orange-soft); color: var(--orange); }

.nav-download {
  padding: 10px 24px;
  border-radius: 100px;
  background: var(--orange-gradient);
  color: white;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  transition: all 0.3s var(--ease);
}
.nav-download:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45); }

.nav-menu-btn {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--orange-gradient);
  color: white;
  align-items: center;
  justify-content: center;
}
.nav-menu-btn svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-download { display: none; }
  .nav-menu-btn { display: flex; }
}

/* ---------- 移动端菜单 ---------- */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 200;
  visibility: hidden;
  opacity: 0;
  transition: all 0.5s var(--ease);
}
.mobile-menu.open { visibility: visible; opacity: 1; }

.mobile-menu-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
}

.mobile-menu-panel {
  position: absolute;
  top: 0; right: 0;
  width: 100%; max-width: 380px;
  height: 100%;
  background: linear-gradient(135deg, #FF6B35 0%, #FF8E53 100%);
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
  display: flex;
  flex-direction: column;
  padding: 24px;
}
.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.mobile-menu-close {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s;
}
.mobile-menu-close:hover { background: rgba(255, 255, 255, 0.3); }

.mobile-menu-item {
  padding: 16px 24px;
  font-size: 18px;
  font-weight: 600;
  color: white;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.4s var(--ease);
}
.mobile-menu.open .mobile-menu-item { opacity: 1; transform: translateY(0); }
.mobile-menu.open .mobile-menu-item:nth-child(1) { transition-delay: 150ms; }
.mobile-menu.open .mobile-menu-item:nth-child(2) { transition-delay: 210ms; }
.mobile-menu.open .mobile-menu-item:nth-child(3) { transition-delay: 270ms; }
.mobile-menu.open .mobile-menu-item:nth-child(4) { transition-delay: 330ms; }
.mobile-menu.open .mobile-menu-item:nth-child(5) { transition-delay: 390ms; }
.mobile-menu.open .mobile-menu-item:nth-child(6) { transition-delay: 450ms; }
.mobile-menu-item:hover { background: rgba(255, 255, 255, 0.2); }

.mobile-menu-cta {
  margin-top: auto;
  padding: 16px;
  text-align: center;
  border-radius: 100px;
  background: white;
  color: var(--orange);
  font-weight: 700;
  font-size: 16px;
  opacity: 0;
  transition: all 0.4s var(--ease) 500ms;
}
.mobile-menu.open .mobile-menu-cta { opacity: 1; }
.mobile-menu-cta:hover { transform: scale(1.02); }

/* ---------- Hero 区 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  z-index: 1;
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
}

.hero-text { animation: fadeInUp 0.8s var(--ease) both; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255, 107, 53, 0.1);
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #1A1A2E 0%, #FF6B35 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 500px;
}
@media (max-width: 900px) { .hero-subtitle { margin-left: auto; margin-right: auto; } }

.hero-downloads {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 900px) { .hero-downloads { justify-content: center; } }

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  background: var(--orange-gradient);
  color: white;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
  transition: all 0.3s var(--ease);
}
.download-btn:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 12px 32px rgba(255, 107, 53, 0.4); }
.download-btn svg { width: 20px; height: 20px; }
.download-btn-secondary {
  background: white;
  color: var(--dark);
  border: 2px solid var(--orange-soft);
  box-shadow: var(--shadow-sm);
}
.download-btn-secondary:hover { border-color: var(--orange); color: var(--orange); }

.hero-trust {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}
@media (max-width: 900px) { .hero-trust { justify-content: center; } }
.hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray); }
.hero-trust-item strong { color: var(--dark); font-size: 20px; font-weight: 800; }

/* ---------- 狐狸动画区 ---------- */
.hero-fox {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 1s var(--ease) 0.3s both;
  position: relative;
}
.fox-container {
  position: relative;
  width: 100%;
  max-width: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fox-svg-wrap {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(255, 107, 53, 0.2));
}
.fox-video {
  width: 100%;
  max-width: 420px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

/* 狐狸动画 CSS */
.fox-body-group { animation: foxBreathe 3s ease-in-out infinite; transform-origin: center bottom; }
.fox-ear-left  { animation: earWiggleL 4s ease-in-out infinite; transform-origin: bottom center; }
.fox-ear-right { animation: earWiggleR 4s ease-in-out infinite 0.5s; transform-origin: bottom center; }
.fox-tail      { animation: tailWag 2.5s ease-in-out infinite; transform-origin: bottom left; }
.fox-arm-left  { animation: armWave 3s ease-in-out infinite; transform-origin: top center; }
.fox-eye-left, .fox-eye-right { animation: blink 4s ease-in-out infinite; transform-origin: center; }

@keyframes foxBreathe { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-6px) scale(1.02); } }
@keyframes earWiggleL { 0%,100% { transform: rotate(0deg); } 30% { transform: rotate(-8deg); } 60% { transform: rotate(3deg); } }
@keyframes earWiggleR { 0%,100% { transform: rotate(0deg); } 30% { transform: rotate(8deg); } 60% { transform: rotate(-3deg); } }
@keyframes tailWag { 0%,100% { transform: rotate(0deg); } 25% { transform: rotate(15deg); } 75% { transform: rotate(-10deg); } }
@keyframes armWave { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(-5deg); } }
@keyframes blink { 0%,92%,100% { transform: scaleY(1); } 96% { transform: scaleY(0.1); } }

/* 手机弹出的游戏元素 */
.fox-elements { position: absolute; top: 10%; left: 50%; transform: translateX(-50%); width: 60%; height: 50%; pointer-events: none; }
.fox-element {
  position: absolute;
  font-size: 28px;
  animation: elementFloat 3s ease-in-out infinite;
  opacity: 0.8;
}
.fox-element:nth-child(1) { left: 10%; animation-delay: 0s; }
.fox-element:nth-child(2) { left: 40%; animation-delay: 0.8s; }
.fox-element:nth-child(3) { left: 70%; animation-delay: 1.6s; }
.fox-element:nth-child(4) { left: 25%; animation-delay: 1.2s; }
.fox-element:nth-child(5) { left: 60%; animation-delay: 0.4s; }

@keyframes elementFloat {
  0% { transform: translateY(20px); opacity: 0; }
  30% { opacity: 0.9; }
  100% { transform: translateY(-60px); opacity: 0; }
}

/* ---------- 区块通用 ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
}
.section-container { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--dark);
}
.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--gray);
  margin-bottom: 48px;
}

/* ---------- 数据统计 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.stat-card {
  text-align: center;
  padding: 32px 16px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-number {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 900;
  background: var(--orange-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 14px; color: var(--gray); margin-top: 8px; }

/* ---------- 特色卡片 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  padding: 32px 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease);
  border: 1px solid rgba(255, 107, 53, 0.05);
}
.feature-card:hover { transform: translateY(-8px) scale(1.02); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--orange-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
  transition: all 0.3s var(--ease);
}
.feature-card:hover .feature-icon { background: var(--orange-gradient); transform: rotate(-5deg) scale(1.1); }
.feature-card:hover .feature-icon svg { color: white; }
.feature-icon svg { width: 28px; height: 28px; color: var(--orange); transition: color 0.3s; }
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.feature-desc { font-size: 14px; color: var(--gray); line-height: 1.6; }

/* ---------- 分类卡片 ---------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .categories-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .categories-grid { grid-template-columns: repeat(2, 1fr); } }

.category-card {
  padding: 28px 16px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all 0.3s var(--ease);
  cursor: pointer;
}
.category-card:hover { transform: translateY(-4px) scale(1.05); box-shadow: var(--shadow-md); }
.category-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--orange-gradient);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 22px;
  transition: all 0.3s var(--ease);
}
.category-card:hover .category-icon { transform: rotate(-5deg) scale(1.1); }
.category-icon svg { width: 24px; height: 24px; color: white; }
.category-name { font-size: 14px; font-weight: 600; color: var(--dark); }

/* ---------- 瀑布流 ---------- */
.waterfall {
  columns: 4;
  column-gap: 16px;
}
@media (max-width: 1000px) { .waterfall { columns: 3; } }
@media (max-width: 700px) { .waterfall { columns: 2; } }
@media (max-width: 400px) { .waterfall { columns: 1; } }

.post-card {
  break-inside: avoid;
  margin-bottom: 16px;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease);
  cursor: pointer;
}
.post-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-md); }

.post-cover {
  width: 100%;
  display: block;
  background: var(--orange-soft);
  min-height: 120px;
}
.post-body { padding: 14px 16px; }
.post-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray);
}
.post-author { display: flex; align-items: center; gap: 6px; }
.post-author-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--orange-gradient);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 11px; font-weight: 700;
}
.post-likes { display: flex; align-items: center; gap: 4px; }
.post-likes svg { width: 14px; height: 14px; color: var(--orange); }

/* ---------- 评价 ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .reviews-grid { grid-template-columns: 1fr; } }

.review-card {
  padding: 28px 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-stars { margin-bottom: 12px; display: flex; gap: 2px; }
.review-stars svg { width: 16px; height: 16px; color: #FFB800; }
.review-content { font-size: 14px; line-height: 1.7; color: var(--dark); margin-bottom: 16px; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--orange-gradient);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 14px;
}
.review-name { font-size: 14px; font-weight: 600; color: var(--dark); }

/* ---------- 下载 CTA ---------- */
.cta-section {
  text-align: center;
  padding: 80px 24px;
}
.cta-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 56px 40px;
  background: var(--orange-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: ctaShine 8s linear infinite;
}
@keyframes ctaShine { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.cta-title { font-size: 28px; font-weight: 800; color: white; margin-bottom: 12px; position: relative; }
.cta-subtitle { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 32px; position: relative; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  background: white;
  color: var(--orange);
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s var(--ease);
}
.cta-btn:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.cta-btn svg { width: 20px; height: 20px; }

/* ---------- 底部下载引导条 ---------- */
.download-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateY(100%);
  transition: transform 0.5s var(--ease);
}
.download-bar.show { transform: translateY(0); }
.download-bar-info { display: flex; align-items: center; gap: 12px; }
.download-bar-logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--orange-gradient);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 20px; font-weight: 900;
}
.download-bar-text strong { font-size: 15px; color: var(--dark); display: block; }
.download-bar-text span { font-size: 12px; color: var(--gray); }
.download-bar-btn {
  padding: 10px 28px;
  border-radius: 100px;
  background: var(--orange-gradient);
  color: white;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  transition: all 0.3s var(--ease);
}
.download-bar-btn:hover { transform: scale(1.05); }
@media (max-width: 600px) {
  .download-bar-text span { display: none; }
  .download-bar-btn { padding: 8px 20px; font-size: 13px; }
}

/* ---------- 页脚 ---------- */
.footer {
  position: relative;
  z-index: 1;
  padding: 48px 24px 100px;
  text-align: center;
  color: var(--gray);
  font-size: 14px;
}
.footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 12px;
}
.footer-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--gray); font-size: 14px; transition: color 0.3s; }
.footer-links a:hover { color: var(--orange); }
.footer-copy { color: var(--gray); font-size: 13px; }

/* ---------- 分类详情页头部 ---------- */
.category-header {
  margin-top: 80px;
  padding: 60px 24px 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.category-header-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--orange-gradient);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-md);
}
.category-header-icon svg { width: 32px; height: 32px; color: white; }
.category-header h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.category-header p { color: var(--gray); font-size: 16px; }

/* ---------- 无限加载提示 ---------- */
.load-more {
  text-align: center;
  padding: 40px;
  color: var(--gray);
  font-size: 14px;
}
.load-more.loading::after {
  content: '';
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--orange-soft);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 滚动动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 页面切换动画 ---------- */
.page-enter {
  animation: pageEnter 0.5s var(--ease) both;
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 自定义滚动条 ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--orange-soft); }
::-webkit-scrollbar-thumb { background: var(--orange-gradient); border-radius: 4px; }