/* ===== 香蕉视频 官方网站样式 ===== */
/* 全局重置与基础 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; background: #0a0a0f; color: #e8e8f0; line-height: 1.7; overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ===== CSS变量 ===== */
:root {
  --yellow: #f5c518;
  --yellow-light: #ffe066;
  --cyan: #00d4ff;
  --purple: #7c3aed;
  --dark: #0a0a0f;
  --dark2: #12121a;
  --dark3: #1a1a2e;
  --card-bg: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text-muted: #888;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
  transition: background var(--transition);
}
.navbar.scrolled { background: rgba(10,10,15,0.98); }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 700; color: var(--yellow); letter-spacing: 1px; }
.nav-logo .logo-icon { font-size: 1.6rem; }
.nav-menu { display: flex; gap: 2px; }
.nav-menu a { padding: 8px 14px; border-radius: 8px; font-size: 0.92rem; color: #ccc; transition: all var(--transition); }
.nav-menu a:hover, .nav-menu a.active { color: var(--yellow); background: rgba(245,197,24,0.1); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-nav { padding: 8px 22px; border-radius: 24px; background: var(--yellow); color: #0a0a0f; font-weight: 700; font-size: 0.9rem; transition: all var(--transition); border: none; cursor: pointer; }
.btn-nav:hover { background: var(--yellow-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(245,197,24,0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }

/* ===== 搜索栏 ===== */
.search-bar-wrap {
  background: rgba(18,18,26,0.95); border-bottom: 1px solid var(--border);
  padding: 10px 5%; display: flex; align-items: center; gap: 12px;
  position: fixed; top: 68px; left: 0; right: 0; z-index: 999;
}
.search-input-wrap { flex: 1; max-width: 600px; margin: 0 auto; position: relative; }
.search-input-wrap input {
  width: 100%; padding: 10px 44px 10px 18px;
  background: rgba(255,255,255,0.07); border: 1px solid var(--border);
  border-radius: 24px; color: #fff; font-size: 0.95rem; outline: none;
  transition: border-color var(--transition);
}
.search-input-wrap input:focus { border-color: var(--yellow); }
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-btn {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--yellow); cursor: pointer; font-size: 1.1rem;
}
.search-tips { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }

/* ===== 主内容区 ===== */
main { padding-top: 120px; }

/* ===== Banner ===== */
.banner {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  overflow: hidden; background: var(--dark);
}
.banner-bg {
  position: absolute; inset: 0; background-image: url('../assets/images/banner_hero.jpg');
  background-size: cover; background-position: center;
  filter: brightness(0.38);
}
.banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,10,15,0.7) 0%, rgba(124,58,237,0.15) 50%, rgba(0,212,255,0.1) 100%);
}
.banner-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.banner-badge { display: inline-block; padding: 6px 16px; background: rgba(245,197,24,0.15); border: 1px solid rgba(245,197,24,0.4); border-radius: 20px; font-size: 0.82rem; color: var(--yellow); margin-bottom: 20px; letter-spacing: 2px; }
.banner-title { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 900; line-height: 1.15; margin-bottom: 20px; }
.banner-title .brand { color: var(--yellow); }
.banner-title .highlight { background: linear-gradient(90deg, var(--cyan), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.banner-desc { font-size: 1.1rem; color: #aaa; max-width: 560px; margin-bottom: 32px; line-height: 1.8; }
.banner-highlights { display: flex; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.banner-highlights span { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: #ccc; }
.banner-highlights span::before { content: '✓'; color: var(--yellow); font-weight: 700; }
.banner-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary { padding: 14px 36px; background: var(--yellow); color: #0a0a0f; border-radius: 32px; font-weight: 800; font-size: 1rem; border: none; cursor: pointer; transition: all var(--transition); display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { background: var(--yellow-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,197,24,0.45); }
.btn-secondary { padding: 14px 36px; background: transparent; color: #fff; border-radius: 32px; font-weight: 700; font-size: 1rem; border: 2px solid rgba(255,255,255,0.3); cursor: pointer; transition: all var(--transition); display: inline-flex; align-items: center; gap: 8px; }
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.banner-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 900; color: var(--yellow); display: block; }
.stat-label { font-size: 0.82rem; color: var(--text-muted); }

/* ===== 通用区块样式 ===== */
.section { padding: 80px 5%; max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-block; padding: 5px 14px; background: rgba(245,197,24,0.12); border: 1px solid rgba(245,197,24,0.3); border-radius: 16px; font-size: 0.8rem; color: var(--yellow); margin-bottom: 14px; letter-spacing: 2px; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 14px; }
.section-title .brand { color: var(--yellow); }
.section-desc { font-size: 1rem; color: var(--text-muted); max-width: 560px; margin: 0 auto; line-height: 1.8; }

/* ===== 品牌故事 ===== */
.story-section { background: var(--dark2); padding: 80px 0; }
.story-inner { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.story-img { border-radius: 20px; overflow: hidden; position: relative; }
.story-img img { width: 100%; height: 380px; object-fit: cover; }
.story-img-badge { position: absolute; bottom: 20px; left: 20px; background: var(--yellow); color: #0a0a0f; padding: 8px 18px; border-radius: 24px; font-weight: 700; font-size: 0.88rem; }
.story-content .section-tag { text-align: left; }
.story-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 20px; }
.story-content p { color: #aaa; line-height: 1.9; margin-bottom: 16px; }
.story-values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.story-value-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; transition: all var(--transition); }
.story-value-item:hover { border-color: var(--yellow); transform: translateY(-3px); }
.story-value-item h4 { font-size: 0.9rem; color: var(--yellow); margin-bottom: 6px; }
.story-value-item p { font-size: 0.82rem; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ===== 视频卡片区 ===== */
.video-section { padding: 80px 0; background: var(--dark3); }
.video-grid { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.video-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: all var(--transition); cursor: pointer; }
.video-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.5); border-color: rgba(245,197,24,0.3); }
.video-thumb { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.7);
  width: 56px; height: 56px; background: rgba(245,197,24,0.9); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: all var(--transition);
}
.video-play-btn::after { content: ''; border-style: solid; border-width: 10px 0 10px 18px; border-color: transparent transparent transparent #0a0a0f; margin-left: 3px; }
.video-card:hover .video-play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0); transition: background var(--transition); }
.video-card:hover .video-overlay { background: rgba(0,0,0,0.3); }
.video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.75); color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; }
.video-views { position: absolute; bottom: 10px; left: 10px; background: rgba(0,0,0,0.75); color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; }
.video-info { padding: 16px; }
.video-tag { display: inline-block; padding: 3px 10px; background: rgba(245,197,24,0.12); border-radius: 10px; font-size: 0.75rem; color: var(--yellow); margin-bottom: 8px; }
.video-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; line-height: 1.5; color: #e8e8f0; }
.video-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); }
.video-likes { display: flex; align-items: center; gap: 4px; }

/* ===== 品牌探索 ===== */
.explore-section { padding: 80px 0; background: var(--dark2); }
.explore-grid { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.explore-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; padding: 36px 28px; text-align: center; transition: all var(--transition); position: relative; overflow: hidden; }
.explore-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--yellow), var(--cyan)); transform: scaleX(0); transition: transform var(--transition); }
.explore-card:hover::before { transform: scaleX(1); }
.explore-card:hover { transform: translateY(-8px); border-color: rgba(245,197,24,0.25); box-shadow: var(--shadow); }
.explore-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.explore-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: #fff; }
.explore-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }
.explore-card .card-link { display: inline-block; margin-top: 20px; color: var(--yellow); font-size: 0.88rem; font-weight: 600; }
.explore-card .card-link:hover { color: var(--yellow-light); }

/* ===== 品牌创造（案例）===== */
.create-section { padding: 80px 0; background: var(--dark); }
.create-grid { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.create-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; transition: all var(--transition); }
.create-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(0,212,255,0.25); }
.create-card-img { height: 200px; background: linear-gradient(135deg, var(--dark3), var(--purple)); display: flex; align-items: center; justify-content: center; font-size: 3.5rem; }
.create-card-body { padding: 24px; }
.create-card-tag { font-size: 0.78rem; color: var(--cyan); margin-bottom: 10px; }
.create-card-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: #fff; }
.create-card-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.create-card-stats { display: flex; gap: 16px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.create-stat { font-size: 0.8rem; color: var(--text-muted); }
.create-stat strong { color: var(--yellow); }

/* ===== 品牌灵感 ===== */
.inspire-section { padding: 80px 0; background: var(--dark3); position: relative; overflow: hidden; }
.inspire-bg { position: absolute; inset: 0; background-image: url('../assets/images/inspire_bg.jpg'); background-size: cover; background-position: center; opacity: 0.12; }
.inspire-inner { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.inspire-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.inspire-card { background: rgba(255,255,255,0.05); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 28px; transition: all var(--transition); }
.inspire-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); border-color: rgba(245,197,24,0.3); }
.inspire-card-date { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px; }
.inspire-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: #fff; line-height: 1.5; }
.inspire-card p { font-size: 0.85rem; color: #aaa; line-height: 1.7; }
.inspire-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.inspire-tag { font-size: 0.75rem; color: var(--cyan); }
.inspire-read { font-size: 0.82rem; color: var(--yellow); font-weight: 600; }

/* ===== 用户评价 ===== */
.reviews-section { padding: 80px 0; background: var(--dark2); }
.reviews-grid { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.review-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: all var(--transition); }
.review-card:hover { border-color: rgba(245,197,24,0.3); transform: translateY(-3px); }
.review-stars { color: var(--yellow); font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 0.95rem; color: #ccc; line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--yellow), var(--cyan)); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #0a0a0f; font-size: 1rem; flex-shrink: 0; }
.review-name { font-weight: 600; font-size: 0.9rem; }
.review-role { font-size: 0.78rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { padding: 80px 0; background: var(--dark); }
.faq-list { max-width: 800px; margin: 0 auto; padding: 0 5%; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; transition: border-color var(--transition); }
.faq-item:hover { border-color: rgba(245,197,24,0.3); }
.faq-question { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 0.95rem; color: #e8e8f0; transition: color var(--transition); }
.faq-question:hover { color: var(--yellow); }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; background: rgba(245,197,24,0.15); display: flex; align-items: center; justify-content: center; color: var(--yellow); font-size: 1.1rem; flex-shrink: 0; transition: transform var(--transition); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-muted); font-size: 0.9rem; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 200px; }

/* ===== 品牌连接 ===== */
.connect-section { padding: 80px 0; background: var(--dark3); }
.connect-inner { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.connect-form h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; color: #aaa; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.06);
  border: 1px solid var(--border); border-radius: 10px; color: #fff; font-size: 0.9rem;
  outline: none; transition: border-color var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--yellow); }
.form-group textarea { resize: vertical; min-height: 100px; }
.connect-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; }
.contact-item { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(245,197,24,0.12); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-text h4 { font-size: 0.88rem; color: #aaa; margin-bottom: 4px; }
.contact-text p { font-size: 0.92rem; color: #e8e8f0; }
.map-placeholder { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); height: 160px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.9rem; margin-top: 20px; }

/* ===== 合作伙伴 ===== */
.partners-section { padding: 60px 0; background: var(--dark2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.partners-inner { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.partners-title { text-align: center; font-size: 0.88rem; color: var(--text-muted); margin-bottom: 28px; letter-spacing: 2px; }
.partners-logos { display: flex; justify-content: center; align-items: center; gap: 40px; flex-wrap: wrap; }
.partner-logo { font-size: 0.9rem; color: rgba(255,255,255,0.3); font-weight: 600; letter-spacing: 1px; transition: color var(--transition); }
.partner-logo:hover { color: rgba(255,255,255,0.7); }

/* ===== 页脚 ===== */
footer { background: #060609; border-top: 1px solid var(--border); padding: 60px 5% 30px; }
.footer-top { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand h3 { font-size: 1.3rem; font-weight: 800; color: var(--yellow); margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; max-width: 280px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-link { width: 36px; height: 36px; border-radius: 8px; background: var(--card-bg); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; transition: all var(--transition); }
.social-link:hover { background: rgba(245,197,24,0.15); border-color: var(--yellow); color: var(--yellow); }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--yellow); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 28px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: gap; gap: 16px; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.82rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--yellow); }
.footer-icp { font-size: 0.78rem; color: rgba(255,255,255,0.2); margin-top: 8px; }

/* ===== 动画 ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.animate-fadeInUp { animation: fadeInUp 0.7s ease forwards; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .explore-grid, .create-grid, .inspire-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .story-inner { grid-template-columns: 1fr; }
  .story-img { display: none; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .nav-menu.open { display: flex; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: rgba(10,10,15,0.98); padding: 20px; gap: 4px; border-bottom: 1px solid var(--border); }
  .banner-title { font-size: 1.9rem; }
  .banner-stats { gap: 24px; }
  .explore-grid, .create-grid, .inspire-grid, .reviews-grid { grid-template-columns: 1fr; }
  .connect-inner { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .search-tips { display: none; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .banner-btns { flex-direction: column; }
  .story-values { grid-template-columns: 1fr; }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: rgba(245,197,24,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--yellow); }

/* ===== 懒加载占位 ===== */
img[loading="lazy"] { background: linear-gradient(90deg, #1a1a2e 25%, #2a2a3e 50%, #1a1a2e 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; }

/* ===== 内页样式 ===== */
.inner-hero { padding: 60px 5% 40px; background: var(--dark2); border-bottom: 1px solid var(--border); }
.inner-hero h1 { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.inner-hero h1 .brand { color: var(--yellow); }
.inner-hero p { color: var(--text-muted); font-size: 1rem; max-width: 600px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--yellow); }
.breadcrumb span { color: var(--text-muted); }
.inner-content { max-width: 1200px; margin: 0 auto; padding: 60px 5%; }
.content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; }
.article-body h2 { font-size: 1.4rem; font-weight: 700; margin: 32px 0 14px; color: #fff; }
.article-body h2 .brand { color: var(--yellow); }
.article-body p { color: #aaa; line-height: 1.9; margin-bottom: 16px; font-size: 0.95rem; }
.article-body ul { padding-left: 20px; margin-bottom: 16px; }
.article-body ul li { color: #aaa; font-size: 0.95rem; line-height: 1.8; margin-bottom: 8px; list-style: disc; }
.sidebar { position: sticky; top: 140px; }
.sidebar-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.sidebar-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; color: var(--yellow); }
.sidebar-card ul li { margin-bottom: 10px; }
.sidebar-card ul li a { font-size: 0.85rem; color: #aaa; transition: color var(--transition); }
.sidebar-card ul li a:hover { color: var(--yellow); }
@media (max-width: 768px) { .content-grid { grid-template-columns: 1fr; } .sidebar { position: static; } }