/* ============================================
   风潮文创潮玩店 - 高端潮流涂鸦风格
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* CSS 变量 */
:root {
  --color-black: #0A0A0A;
  --color-dark: #141414;
  --color-gray: #1F1F1F;
  --color-gray-light: #2A2A2A;
  --color-border: #333333;
  --color-text: #E5E5E5;
  --color-text-muted: #888888;
  --color-white: #FFFFFF;

  --accent-orange: #FF6B35;
  --accent-yellow: #FFD23F;
  --accent-blue: #3B82F6;

  --font-display: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 1200px;
  --header-height: 80px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

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

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

/* 通用区块 */
.section {
  padding: 120px 0;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-black);
}

.btn-primary:hover {
  background: var(--accent-orange);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* 动画 */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  opacity: 0;
}

.animate.visible {
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

/* ============================================
   头部
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.5px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all 0.3s ease;
}

/* 移动端菜单 */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-black);
  padding: 100px 24px 40px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}

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

.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.mobile-nav a.active {
  color: var(--accent-orange);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-label::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--accent-orange);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 10vw, 100px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  letter-spacing: -3px;
  margin-bottom: 32px;
}

.hero-title span {
  display: block;
  color: var(--accent-orange);
}

.hero-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 12px;
  letter-spacing: 1px;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent-orange), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   内页头部
   ============================================ */
.page-header {
  padding: calc(var(--header-height) + 80px) 0 80px;
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.page-header-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-header-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: 16px;
}

.page-header-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -2px;
  margin-bottom: 16px;
}

.page-header-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 600px;
}

.page-header-breadcrumb {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.page-header-breadcrumb a {
  color: var(--color-text-muted);
}

.page-header-breadcrumb a:hover {
  color: var(--color-white);
}

/* ============================================
   首页 - 品牌简介
   ============================================ */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-gray);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image::after {
  content: 'FCWC';
  position: absolute;
  bottom: 24px;
  left: 24px;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -2px;
  opacity: 0.9;
}

.about-content h3 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.about-content p {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 60px;
  padding: 40px;
  background: var(--color-dark);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   产品分类
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-gray);
  cursor: pointer;
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.category-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 4px;
}

.category-count {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* ============================================
   新闻动态
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  background: var(--color-dark);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.news-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.news-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: var(--accent-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 2px;
}

.news-content {
  padding: 24px;
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.news-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.news-card:hover .news-title {
  color: var(--accent-orange);
}

.news-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  background: var(--color-gray);
  padding: 100px 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.cta-section p {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

/* ============================================
   底部
   ============================================ */
.footer {
  background: var(--color-dark);
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

.social-link:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.footer-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  padding: 8px 0;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ============================================
   关于页面
   ============================================ */
.story-section {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.story-section p {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 24px;
}

/* 时间轴 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: calc(50% - 40px);
  padding: 24px;
  background: var(--color-dark);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--accent-orange);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--color-black);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 8px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.team-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.team-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent-orange);
}

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

.team-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 4px;
}

.team-role {
  font-size: 13px;
  color: var(--accent-orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.team-bio {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* 门店 */
.store-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.store-card {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

.store-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
}

.store-info {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.store-info strong {
  color: var(--color-white);
  margin-right: 8px;
}

/* ============================================
   潮玩精神
   ============================================ */
.spirit-banner {
  text-align: center;
  padding: 80px 40px;
  background: var(--color-dark);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin-bottom: 80px;
}

.spirit-quote {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
  letter-spacing: -1px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.concept-card {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.concept-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.concept-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  background: var(--accent-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-white);
}

.concept-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

.concept-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   产品列表
   ============================================ */
.products-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
}

.products-sidebar {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 24px;
  border: 1px solid var(--color-border);
  height: fit-content;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.filter-list a {
  display: block;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: all 0.2s ease;
  margin-bottom: 4px;
}

.filter-list a:hover,
.filter-list a.active {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent-orange);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-dark);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-out);
}

.product-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.product-image {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: var(--accent-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 2px;
}

.product-content {
  padding: 20px;
}

.product-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.product-price {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-orange);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--color-text-muted);
  background: var(--color-dark);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.pagination a:hover,
.pagination .active {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: var(--color-white);
}

/* ============================================
   产品详情
   ============================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.product-main-image {
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-gray);
  margin-bottom: 16px;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.product-thumb {
  aspect-ratio: 1;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.product-thumb.active,
.product-thumb:hover {
  border-color: var(--accent-orange);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.product-summary {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.product-price-detail {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 32px;
}

.params-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.params-table tr {
  border-bottom: 1px solid var(--color-border);
}

.params-table td {
  padding: 14px 0;
  font-size: 14px;
}

.params-table td:first-child {
  color: var(--color-text-muted);
  width: 120px;
}

.params-table td:last-child {
  color: var(--color-text);
}

/* ============================================
   新闻列表
   ============================================ */
.news-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.news-tab {
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.news-tab:hover,
.news-tab.active {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: var(--color-white);
}

/* 新闻详情 */
.news-article {
  max-width: 800px;
  margin: 0 auto;
}

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

.news-article-category {
  display: inline-block;
  padding: 8px 16px;
  background: var(--accent-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 2px;
  margin-bottom: 24px;
}

.news-article-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.news-article-meta {
  font-size: 14px;
  color: var(--color-text-muted);
}

.news-article-content {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-muted);
}

.news-article-content p {
  margin-bottom: 24px;
}

.news-article-content img {
  width: 100%;
  border-radius: 8px;
  margin: 32px 0;
}

.news-article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.news-nav {
  display: flex;
  justify-content: space-between;
}

.news-nav a {
  font-size: 14px;
  color: var(--accent-orange);
  max-width: 45%;
}

.news-nav a:hover {
  text-decoration: underline;
}

/* ============================================
   联系我们
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 40px;
  border: 1px solid var(--color-border);
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 15px;
  color: var(--color-white);
  line-height: 1.6;
}

.contact-form {
  background: var(--color-dark);
  border-radius: 8px;
  padding: 40px;
  border: 1px solid var(--color-border);
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-gray);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 地图 */
.contact-map {
  height: 400px;
  background: var(--color-dark);
  border-radius: 8px;
  margin-top: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 1px;
  border: 1px solid var(--color-border);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .about-preview {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image {
    max-height: 400px;
  }

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

  .categories-grid,
  .news-grid,
  .products-grid,
  .concept-grid,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-layout {
    grid-template-columns: 1fr;
  }

  .products-sidebar {
    position: static;
  }

  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
  }

  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px;
  }

  .timeline-dot {
    left: 20px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero-title {
    letter-spacing: -1px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .about-stats,
  .categories-grid,
  .news-grid,
  .products-grid,
  .concept-grid,
  .team-grid,
  .store-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .news-tabs {
    flex-direction: column;
    gap: 8px;
  }

  .spirit-banner {
    padding: 48px 24px;
  }
}