/* 每日大赛 - 主样式文件 */
/* 全局重置与基础样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #f5f5f5;
  --color-accent: #d4af37;
  --color-accent-light: #f0d060;
  --color-text: #333333;
  --color-muted: #888888;
  --color-white: #ffffff;
  --color-border: #e5e5e5;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.18);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

.section { padding: 80px 0; }
.section-alt { background: var(--color-secondary); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}
.section-update {
  font-size: 0.78rem;
  color: #aaa;
  margin-top: 8px;
}

/* ===== 头部导航 ===== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26,26,26,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212,175,55,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), #b8960c);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
}
.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.06em;
}
.logo-text span { color: var(--color-accent); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 500;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  color: var(--color-accent);
  background: rgba(212,175,55,0.10);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-primary) !important;
  font-weight: 700 !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { background: var(--color-accent-light) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: #111;
  border-bottom: 1px solid rgba(212,175,55,0.10);
  padding: 10px 0;
}
.search-bar-inner {
  display: flex;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(212,175,55,0.25);
  border-radius: 32px;
  overflow: hidden;
  padding: 0 6px 0 18px;
}
.search-bar-inner input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 0.92rem;
  padding: 9px 0;
  font-family: var(--font-main);
}
.search-bar-inner input::placeholder { color: rgba(255,255,255,0.38); }
.search-bar-inner button {
  background: var(--color-accent);
  border: none;
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 7px 18px;
  border-radius: 24px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.search-bar-inner button:hover { background: var(--color-accent-light); }

/* ===== Hero Banner ===== */
#hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/banner-hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26,26,26,0.92) 40%, rgba(26,26,26,0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212,175,55,0.15);
  border: 1px solid rgba(212,175,55,0.4);
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.hero-content h1 span { color: var(--color-accent); }
.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.72);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 32px;
  border-radius: 32px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,175,55,0.3); }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 32px;
  border: 1.5px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  margin-top: 3px;
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #111;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.0);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn { opacity: 1; background: rgba(0,0,0,0.38); }
.play-btn-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(212,175,55,0.5);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}
.video-card:hover .play-btn-icon { transform: scale(1); }
.play-btn-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #1a1a1a;
  margin-left: 4px;
}
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-accent);
  color: #1a1a1a;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 0.04em;
}
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 16px; }
.video-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--color-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== 品牌理念 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.about-img img { width: 100%; height: 360px; object-fit: cover; }
.about-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}
.about-text h2 span { color: var(--color-accent); }
.about-text p {
  color: #555;
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.about-tag {
  background: rgba(212,175,55,0.10);
  border: 1px solid rgba(212,175,55,0.3);
  color: #a07c00;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
}

/* ===== 核心业务 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(212,175,55,0.12);
  transform: translateY(-4px);
}
.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(212,175,55,0.05));
  border-radius: 12px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.service-card p { font-size: 0.87rem; color: var(--color-muted); line-height: 1.7; }

/* ===== 数据成果 ===== */
#stats { background: var(--color-primary); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item .num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item .label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.stat-item .desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 4px;
}

/* ===== 团队 ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.team-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #b8960c);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}
.team-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.team-card .role { font-size: 0.82rem; color: var(--color-accent); font-weight: 600; margin-bottom: 10px; }
.team-card p { font-size: 0.85rem; color: var(--color-muted); line-height: 1.7; }

/* ===== 媒体报道 ===== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.media-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.media-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow); }
.media-source {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.media-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
}
.media-card p { font-size: 0.85rem; color: var(--color-muted); line-height: 1.7; }
.media-date { font-size: 0.75rem; color: #bbb; margin-top: 12px; }

/* ===== 用户评论 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-left: 3px solid var(--color-accent);
}
.review-stars { color: var(--color-accent); font-size: 0.9rem; margin-bottom: 10px; }
.review-card p { font-size: 0.88rem; color: #555; line-height: 1.8; margin-bottom: 14px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #b8960c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}
.review-name { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); }
.review-label { font-size: 0.75rem; color: var(--color-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--color-accent); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  background: var(--color-white);
  user-select: none;
  transition: var(--transition);
}
.faq-question:hover { background: #fafafa; }
.faq-item.open .faq-question { color: var(--color-accent); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon { background: var(--color-accent); color: #1a1a1a; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  font-size: 0.88rem;
  color: #555;
  line-height: 1.8;
  background: var(--color-white);
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 18px; }

/* ===== 合作入口 ===== */
#partner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a2a2a 100%);
  text-align: center;
  padding: 80px 0;
}
#partner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 14px;
}
#partner h2 span { color: var(--color-accent); }
#partner p {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.partner-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 40px;
}
.partner-logo {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 8px;
  padding: 12px 28px;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: var(--transition);
}
.partner-logo:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.contact-info h2 span { color: var(--color-accent); }
.contact-info p { color: #555; line-height: 1.8; margin-bottom: 24px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--color-secondary);
  border-radius: var(--radius);
}
.contact-item-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.05));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text .label { font-size: 0.75rem; color: var(--color-muted); margin-bottom: 2px; }
.contact-item-text .value { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }
.contact-form { background: var(--color-secondary); border-radius: 12px; padding: 36px; }
.contact-form h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: #555; margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: var(--font-main);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(212,175,55,0.10); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.form-submit:hover { background: var(--color-accent-light); }

/* ===== 社交分享 ===== */
.social-bar {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: 24px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.social-btn:hover { transform: translateY(-2px); }
.social-wechat { background: #07c160; color: #fff; }
.social-weibo { background: #e6162d; color: #fff; }
.social-douyin { background: #010101; color: #fff; border-color: #69c9d0; }
.social-xhs { background: #ff2442; color: #fff; }
.social-bili { background: #00aeec; color: #fff; }

/* ===== 页脚 ===== */
#site-footer {
  background: #111;
  color: rgba(255,255,255,0.6);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; max-width: 280px; }
.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.78rem;
}
.footer-bottom a:hover { color: var(--color-accent); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(20,20,20,0.98); flex-direction: column; padding: 16px; gap: 4px; border-top: 1px solid rgba(212,175,55,0.15); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== 懒加载动画 ===== */
.lazy-load {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lazy-load.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.82rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: #ccc; }
.breadcrumb .current { color: var(--color-primary); font-weight: 600; }