/* ============================================
   里番同人市集 - 主样式表
   漫展摊位 + 像素风交易界面 视觉风格
   ============================================ */

/* CSS 变量定义 */
:root {
  --color-primary: #FF4081;
  --color-secondary: #4CAF50;
  --color-accent: #FFC107;
  --color-bg: #F0F2F5;
  --color-card: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #E0E0E0;
  --color-primary-light: #FF80AB;
  --color-secondary-light: #81C784;
  --color-accent-light: #FFD54F;
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-pixel: "Press Start 2P", monospace;
  --shadow-card: 0 4px 16px rgba(255, 64, 129, 0.1);
  --shadow-hover: 0 8px 32px rgba(255, 64, 129, 0.2);
  --radius-card: 16px;
  --radius-btn: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

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

/* 像素风装饰边框 */
.pixel-border {
  border: 3px solid var(--color-primary);
  border-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Crect x='0' y='0' width='4' height='4' fill='%23FF4081'/%3E%3Crect x='4' y='4' width='4' height='4' fill='%23FF4081'/%3E%3Crect x='8' y='8' width='4' height='4' fill='%23FF4081'/%3E%3C/svg%3E") 4 round;
}

/* 手绘涂鸦边框 */
.doodle-border {
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-card);
  position: relative;
}

.doodle-border::before {
  content: "";
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px dashed var(--color-accent);
  border-radius: calc(var(--radius-card) + 4px);
  opacity: 0.5;
}

/* ============ 导航栏 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(255, 64, 129, 0.08);
  transition: var(--transition);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-logo .pixel-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--color-primary);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ Hero 区域 ============ */
.hero-section {
  margin-top: 64px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #FF4081 0%, #7C4DFF 50%, #4CAF50 100%);
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.6));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 24px;
  color: #fff;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: 1.2rem;
  max-width: 600px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-tags span {
  padding: 4px 12px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 0.85rem;
  backdrop-filter: blur(4px);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(255, 64, 129, 0.4);
  transition: var(--transition);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 64, 129, 0.5);
  color: #fff;
}

/* ============ 通用区块 ============ */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-top: 16px;
}

/* ============ 卡片网格 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

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

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

/* ============ 作品卡片 ============ */
.work-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.work-card .card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.work-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.work-card:hover .card-cover img {
  transform: scale(1.05);
}

.work-card .card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.work-card .card-body {
  padding: 16px;
}

.work-card .card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.work-card .card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.work-card .card-meta .author {
  display: flex;
  align-items: center;
  gap: 4px;
}

.work-card .card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
}

.like-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

.like-btn:hover,
.like-btn.liked {
  color: var(--color-primary);
}

.like-btn.liked .heart-icon {
  animation: heartBurst 0.4s ease;
}

@keyframes heartBurst {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* ============ 商品卡片 ============ */
.merch-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.merch-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.merch-card .merch-cover {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

.merch-card .merch-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.merch-card:hover .merch-cover img {
  transform: scale(1.08);
}

.merch-card .merch-info {
  padding: 16px;
}

.merch-card .merch-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.merch-card .merch-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.merch-card .merch-price .coin-icon {
  color: var(--color-accent);
}

.add-cart-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  background: var(--color-secondary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.add-cart-btn:hover {
  background: #388E3C;
  transform: scale(1.02);
}

.add-cart-btn.added {
  animation: cartBounce 0.5s ease;
}

@keyframes cartBounce {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
  60% { transform: translateY(-3px); }
}

/* ============ 创作者卡片 ============ */
.creator-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.creator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.creator-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 12px;
  overflow: hidden;
  border: 3px solid var(--color-primary-light);
}

.creator-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.creator-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.creator-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-accent-light);
  color: #333;
  border-radius: 10px;
  font-size: 0.75rem;
  margin-bottom: 8px;
  animation: badgeShimmer 2s infinite;
}

@keyframes badgeShimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.creator-stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ============ 社区话题 ============ */
.topic-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border-left: 4px solid var(--color-primary);
}

.topic-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}

.topic-card .topic-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.topic-card .topic-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-card .topic-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ============ 打赏弹幕系统 ============ */
.danmaku-container {
  position: relative;
  overflow: hidden;
  height: 200px;
  background: rgba(0,0,0,0.02);
  border-radius: var(--radius-card);
  margin: 24px 0;
}

.danmaku-item {
  position: absolute;
  white-space: nowrap;
  padding: 4px 12px;
  background: rgba(255, 64, 129, 0.1);
  border-radius: 20px;
  font-size: 0.85rem;
  animation: danmakuScroll 8s linear infinite;
}

@keyframes danmakuScroll {
  from { transform: translateX(100vw); }
  to { transform: translateX(-100%); }
}

/* ============ 金币掉落动画 ============ */
.coin-drop {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  animation: coinFall 1s ease-in forwards;
}

@keyframes coinFall {
  0% { opacity: 1; transform: translateY(0) rotate(0deg); }
  100% { opacity: 0; transform: translateY(100px) rotate(360deg); }
}

/* ============ 页脚 ============ */
.site-footer {
  background: #1A1A2E;
  color: #ccc;
  padding: 60px 24px 24px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-col h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col a {
  display: block;
  color: #aaa;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
  color: #888;
}

/* ============ 面包屑 ============ */
.breadcrumb {
  max-width: 1400px;
  margin: 80px auto 0;
  padding: 16px 24px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb .separator {
  margin: 0 8px;
}

/* ============ 页面标题区 ============ */
.page-hero {
  position: relative;
  height: 280px;
  overflow: hidden;
  margin-top: 64px;
}

.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero .page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #fff;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
}

.page-hero p {
  font-size: 1rem;
  margin-top: 8px;
  opacity: 0.9;
}

/* ============ 内容区域 ============ */
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

.page-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--color-text);
  border-left: 4px solid var(--color-primary);
  padding-left: 12px;
}

.page-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--color-text);
}

.page-content p {
  margin-bottom: 16px;
  line-height: 1.9;
}

.page-content ul, .page-content ol {
  margin: 12px 0 20px 24px;
}

.page-content li {
  margin-bottom: 8px;
  line-height: 1.8;
}

/* ============ FAQ 手风琴 ============ */
.faq-list {
  margin: 24px 0;
}

.faq-item {
  background: var(--color-card);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.faq-question {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  padding: 0 20px 16px;
  max-height: 500px;
}

/* ============ 搜索页 ============ */
.search-container {
  max-width: 800px;
  margin: 120px auto 60px;
  padding: 0 24px;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.search-box input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--color-primary);
}

.search-box button {
  padding: 14px 28px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background: #E91E63;
}

.search-results .result-item {
  padding: 20px;
  background: var(--color-card);
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.search-results .result-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.search-results .result-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ============ 404 页面 ============ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 24px;
}

.error-page .error-code {
  font-size: 8rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  text-shadow: 4px 4px 0 var(--color-accent);
}

.error-page h1 {
  font-size: 1.8rem;
  margin: 16px 0;
}

.error-page p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ============ APP 下载页 ============ */
.app-page {
  margin-top: 64px;
}

.app-hero {
  background: linear-gradient(135deg, var(--color-primary), #7C4DFF);
  padding: 80px 24px;
  color: #fff;
  text-align: center;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: -40px auto 60px;
  padding: 0 24px;
}

.app-feature-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.app-feature-card .feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

/* ============ 按钮通用 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #E91E63;
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: #388E3C;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ============ 标签 ============ */
.tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255, 64, 129, 0.1);
  color: var(--color-primary);
  border-radius: 12px;
  font-size: 0.8rem;
  margin: 2px;
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .app-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .hero-section {
    min-height: 400px;
  }
  .section-header h2 {
    font-size: 1.5rem;
  }
  .card-grid,
  .card-grid-3,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .app-features {
    grid-template-columns: 1fr;
  }
  .page-hero {
    height: 200px;
  }
  .page-hero h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 16px;
  }
  .section {
    padding: 40px 16px;
  }
  .hero-content {
    padding: 40px 16px;
  }
  .hero-content h1 {
    font-size: 1.5rem;
  }
}

/* ============ Schema 与辅助 ============ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 打印样式 */
@media print {
  .site-header, .site-footer, .hero-section {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}