/* ========== 全局样式 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a56e8;
  --primary-dark: #0d3db3;
  --primary-light: #3b82f6;
  --accent: #f97316;
  --accent-dark: #ea6c0a;
  --text-dark: #1e293b;
  --text-mid: #475569;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(26,86,232,0.10);
  --radius: 12px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif; color: var(--text-dark); background: var(--bg-white); line-height: 1.6; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.section-subtitle { font-size: 1rem; color: var(--text-mid); margin-bottom: 48px; }
.section-header { text-align: center; margin-bottom: 0; }
.section-header .divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; margin: 16px auto 48px; }

/* ========== 按钮 ========== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 32px; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all var(--transition); border: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(249,115,22,0.35); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,86,232,0.35); }

/* ========== 导航栏 ========== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: all var(--transition); }
.navbar.scrolled { box-shadow: 0 4px 20px rgba(26,86,232,0.12); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo .logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.nav-logo .logo-icon svg { width: 26px; height: 26px; fill: #fff; }
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo .logo-name { font-size: 1.1rem; font-weight: 700; color: var(--primary-dark); letter-spacing: 0.5px; }
.nav-logo .logo-sub { font-size: 0.7rem; color: var(--text-light); letter-spacing: 1px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a { padding: 8px 18px; border-radius: 6px; font-size: 0.95rem; font-weight: 500; color: var(--text-mid); transition: all var(--transition); position: relative; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); background: rgba(26,86,232,0.06); }
.nav-menu a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 2px; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 9px 22px; font-size: 0.9rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: all var(--transition); }

/* ========== HERO ========== */
.hero { min-height: 100vh; background: linear-gradient(135deg, #0d1f6b 0%, #1a56e8 40%, #3b82f6 70%, #06b6d4 100%); display: flex; align-items: center; padding-top: 72px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero::after { content: ''; position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%); top: -100px; right: -100px; border-radius: 50%; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 80px 0; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.25); padding: 6px 16px; border-radius: 20px; color: #fff; font-size: 0.85rem; margin-bottom: 24px; }
.hero-badge svg { width: 14px; height: 14px; fill: var(--accent); }
.hero-title { font-size: 3rem; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 20px; }
.hero-title span { color: #fbbf24; display: block; }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.2); }
.hero-stat-item .num { font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat-item .num span { color: var(--accent); }
.hero-stat-item .label { font-size: 0.8rem; color: rgba(255,255,255,0.7); margin-top: 2px; }
.hero-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card { background: rgba(255,255,255,0.12); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.2); border-radius: 16px; padding: 24px; text-align: center; color: #fff; transition: all var(--transition); cursor: default; }
.hero-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-4px); }
.hero-card .icon { width: 52px; height: 52px; background: rgba(255,255,255,0.15); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; font-size: 1.6rem; }
.hero-card .card-title { font-size: 0.95rem; font-weight: 600; }
.hero-card .card-desc { font-size: 0.8rem; color: rgba(255,255,255,0.75); margin-top: 4px; }
.hero-card.featured { grid-column: span 2; display: flex; align-items: center; gap: 20px; text-align: left; }
.hero-card.featured .icon { flex-shrink: 0; }

/* ========== 滚动提示 ========== */
.scroll-hint { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,0.6); font-size: 0.8rem; animation: bounce 2s infinite; }
.scroll-hint svg { width: 20px; height: 20px; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ========== 优势数据 ========== */
.stats-bar { background: var(--bg-white); padding: 0; box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 36px 24px; text-align: center; border-right: 1px solid var(--border); position: relative; transition: background var(--transition); }
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(26,86,232,0.03); }
.stat-item .big-num { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-item .big-num sup { font-size: 1.2rem; }
.stat-item .stat-label { font-size: 0.9rem; color: var(--text-mid); margin-top: 6px; }
.stat-item .stat-sub { font-size: 0.75rem; color: var(--text-light); margin-top: 2px; }

/* ========== 核心服务 ========== */
.services { padding: 96px 0; background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 0; }
.service-card { background: var(--bg-white); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow); transition: all var(--transition); border: 1px solid var(--border); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-light)); transform: scaleX(0); transition: transform var(--transition); transform-origin: left; }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(26,86,232,0.15); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 60px; height: 60px; background: linear-gradient(135deg, rgba(26,86,232,0.1), rgba(59,130,246,0.1)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.8rem; }
.service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.service-card p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; }
.service-card .learn-more { display: inline-flex; align-items: center; gap: 4px; font-size: 0.85rem; color: var(--primary); font-weight: 600; margin-top: 16px; }
.service-card .learn-more svg { width: 14px; height: 14px; transition: transform var(--transition); }
.service-card:hover .learn-more svg { transform: translateX(4px); }

/* ========== 关于我们预览 ========== */
.about-preview { padding: 96px 0; background: var(--bg-white); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-img-main { width: 100%; height: 420px; background: linear-gradient(135deg, #1a56e8, #3b82f6); border-radius: 20px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.about-img-main::before { content: ''; position: absolute; width: 300px; height: 300px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -60px; right: -60px; }
.about-img-main .factory-icon { font-size: 5rem; opacity: 0.9; }
.about-badge { position: absolute; bottom: -20px; right: -20px; background: var(--bg-white); border-radius: 14px; padding: 16px 22px; box-shadow: 0 8px 30px rgba(0,0,0,0.12); display: flex; align-items: center; gap: 12px; }
.about-badge .badge-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--accent), #f97316); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.about-badge .badge-text .num { font-size: 1.4rem; font-weight: 800; color: var(--text-dark); }
.about-badge .badge-text .label { font-size: 0.75rem; color: var(--text-mid); }
.about-content .tag { display: inline-block; background: rgba(26,86,232,0.08); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 5px 14px; border-radius: 20px; margin-bottom: 16px; }
.about-content h2 { font-size: 2.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 20px; }
.about-content p { color: var(--text-mid); line-height: 1.8; margin-bottom: 16px; }
.about-points { margin: 28px 0; display: flex; flex-direction: column; gap: 14px; }
.about-point { display: flex; align-items: flex-start; gap: 12px; }
.about-point .dot { width: 22px; height: 22px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.about-point .dot svg { width: 12px; height: 12px; fill: #fff; }
.about-point p { font-size: 0.95rem; color: var(--text-mid); margin: 0; }

/* ========== 新闻动态 ========== */
.news { padding: 96px 0; background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.news-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); border: 1px solid var(--border); }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(26,86,232,0.12); }
.news-img { height: 200px; background: linear-gradient(135deg, #1a56e8, #3b82f6); display: flex; align-items: center; justify-content: center; font-size: 3rem; color: rgba(255,255,255,0.8); position: relative; overflow: hidden; }
.news-img::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 50%; background: linear-gradient(transparent, rgba(0,0,0,0.2)); }
.news-img .news-cat { position: absolute; top: 16px; left: 16px; background: var(--accent); color: #fff; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 4px; }
.news-body { padding: 24px; }
.news-meta { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); margin-bottom: 12px; }
.news-meta svg { width: 14px; height: 14px; }
.news-body h3 { font-size: 1rem; font-weight: 700; line-height: 1.5; margin-bottom: 10px; color: var(--text-dark); }
.news-body p { font-size: 0.85rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-link { font-size: 0.85rem; color: var(--primary); font-weight: 600; display: flex; align-items: center; gap: 4px; }
.news-link svg { width: 14px; height: 14px; transition: transform var(--transition); }
.news-card:hover .news-link svg { transform: translateX(4px); }

/* ========== 合作伙伴 ========== */
.partners { padding: 72px 0; background: var(--bg-white); border-top: 1px solid var(--border); }
.partners-title { text-align: center; font-size: 1.1rem; color: var(--text-mid); margin-bottom: 40px; }
.partners-row { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.partner-item { display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0.55; transition: opacity var(--transition); }
.partner-item:hover { opacity: 1; }
.partner-logo { width: 80px; height: 40px; background: var(--bg-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); }
.partner-logo span { font-size: 0.75rem; font-weight: 700; color: var(--text-mid); }
.partner-name { font-size: 0.75rem; color: var(--text-light); }

/* ========== 行动号召 ========== */
.cta-section { padding: 96px 0; background: linear-gradient(135deg, #0d1f6b 0%, #1a56e8 60%, #3b82f6 100%); position: relative; overflow: hidden; text-align: center; }
.cta-section::before { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%); top: -150px; left: -100px; border-radius: 50%; }
.cta-section::after { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%); bottom: -100px; right: -50px; border-radius: 50%; }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 2.4rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; color: rgba(255,255,255,0.8); margin-bottom: 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-contacts { display: flex; gap: 48px; justify-content: center; margin-top: 48px; flex-wrap: wrap; }
.cta-contact-item { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.85); }
.cta-contact-item svg { width: 20px; height: 20px; fill: var(--accent); flex-shrink: 0; }
.cta-contact-item .label { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.cta-contact-item .value { font-size: 1rem; font-weight: 600; color: #fff; }

/* ========== 页脚 ========== */
.footer { background: #0f172a; color: rgba(255,255,255,0.7); }
.footer-main { padding: 72px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; }
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand .logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.footer-brand .logo-icon svg { width: 26px; height: 26px; fill: #fff; }
.footer-brand .logo-name { font-size: 1.05rem; font-weight: 700; color: #fff; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 24px; }
.footer-social { display: flex; gap: 10px; }
.social-btn { width: 36px; height: 36px; background: rgba(255,255,255,0.08); border-radius: 8px; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.social-btn:hover { background: var(--primary); }
.social-btn svg { width: 16px; height: 16px; fill: rgba(255,255,255,0.7); }
.social-btn:hover svg { fill: #fff; }
.footer-col h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-col ul li a::before { content: '›'; color: var(--primary-light); }
.footer-col ul li a:hover { color: #fff; }
.footer-contact-list { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.875rem; }
.footer-contact-item svg { width: 16px; height: 16px; fill: var(--primary-light); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-bottom a:hover { color: #fff; }
.icp { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.icp a { color: rgba(255,255,255,0.5); }
.icp a:hover { color: rgba(255,255,255,0.8); }

/* ========== 内页通用 Banner ========== */
.page-banner { height: 340px; background: linear-gradient(135deg, #0d1f6b 0%, #1a56e8 50%, #3b82f6 100%); display: flex; align-items: center; justify-content: center; text-align: center; margin-top: 72px; position: relative; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.page-banner-content { position: relative; z-index: 1; }
.page-banner h1 { font-size: 2.6rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.page-banner p { font-size: 1.05rem; color: rgba(255,255,255,0.8); }
.breadcrumb { display: flex; align-items: center; gap: 8px; justify-content: center; margin-top: 16px; font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,0.4); }

/* ========== 关于我们页 ========== */
.about-intro { padding: 96px 0; }
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.company-values { padding: 96px 0; background: var(--bg-light); }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { background: var(--bg-white); border-radius: var(--radius); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all var(--transition); }
.value-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(26,86,232,0.12); }
.value-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(26,86,232,0.1), rgba(59,130,246,0.1)); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 2rem; }
.value-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.value-card p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.6; }
.timeline { padding: 96px 0; background: var(--bg-white); }
.timeline-list { position: relative; padding-left: 40px; }
.timeline-list::before { content: ''; position: absolute; left: 12px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--primary-light)); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: -34px; top: 4px; width: 16px; height: 16px; background: var(--primary); border-radius: 50%; border: 3px solid var(--bg-white); box-shadow: 0 0 0 3px var(--primary-light); }
.timeline-year { font-size: 0.85rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.timeline-item p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }
.team-section { padding: 96px 0; background: var(--bg-light); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center; transition: all var(--transition); }
.team-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(26,86,232,0.12); }
.team-avatar { height: 180px; background: linear-gradient(135deg, #1a56e8, #3b82f6); display: flex; align-items: center; justify-content: center; font-size: 3.5rem; color: rgba(255,255,255,0.8); }
.team-info { padding: 20px; }
.team-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.team-info .title { font-size: 0.8rem; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.team-info p { font-size: 0.8rem; color: var(--text-mid); line-height: 1.6; }
.cert-section { padding: 96px 0; background: var(--bg-white); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-card { background: var(--bg-light); border-radius: var(--radius); padding: 28px 20px; text-align: center; border: 1px solid var(--border); }
.cert-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cert-card h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.cert-card p { font-size: 0.8rem; color: var(--text-mid); }

/* ========== 联系我们页 ========== */
.contact-section { padding: 96px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info-col h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; }
.contact-info-col > p { color: var(--text-mid); line-height: 1.7; margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item-icon { width: 50px; height: 50px; background: linear-gradient(135deg, rgba(26,86,232,0.1), rgba(59,130,246,0.1)); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item-icon svg { width: 22px; height: 22px; fill: var(--primary); }
.contact-item-body .label { font-size: 0.8rem; color: var(--text-light); margin-bottom: 4px; }
.contact-item-body .value { font-size: 1rem; font-weight: 600; color: var(--text-dark); }
.contact-item-body .value a { color: var(--text-dark); }
.contact-item-body .value a:hover { color: var(--primary); }
.contact-map { margin-top: 36px; background: var(--bg-light); border-radius: var(--radius); height: 220px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); overflow: hidden; position: relative; }
.contact-map-placeholder { text-align: center; color: var(--text-mid); }
.contact-map-placeholder svg { width: 36px; height: 36px; fill: var(--primary); margin-bottom: 8px; }
.contact-map-placeholder p { font-size: 0.875rem; }
.contact-form-col { background: var(--bg-white); border-radius: 20px; padding: 48px; box-shadow: 0 8px 40px rgba(26,86,232,0.08); border: 1px solid var(--border); }
.contact-form-col h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.contact-form-col > p { color: var(--text-mid); font-size: 0.9rem; margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group label span { color: var(--accent); }
.form-control { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 8px; font-size: 0.95rem; color: var(--text-dark); background: var(--bg-light); transition: all var(--transition); font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--primary); background: var(--bg-white); box-shadow: 0 0 0 3px rgba(26,86,232,0.1); }
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; }
.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; justify-content: center; padding: 15px; font-size: 1rem; }
.form-note { text-align: center; font-size: 0.8rem; color: var(--text-light); margin-top: 12px; }
.success-msg { display: none; background: #dcfce7; border: 1px solid #86efac; border-radius: 8px; padding: 16px; color: #166534; font-size: 0.9rem; text-align: center; margin-top: 16px; }
.success-msg.show { display: block; }
.faq-section { padding: 96px 0; background: var(--bg-light); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; transition: background var(--transition); }
.faq-question:hover { background: var(--bg-light); }
.faq-question h4 { font-size: 1rem; font-weight: 600; color: var(--text-dark); }
.faq-question svg { width: 20px; height: 20px; fill: var(--text-mid); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.35s ease; }
.faq-answer p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; padding-bottom: 20px; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ========== 动画 ========== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(1) { transition-delay: 0s; }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-inner, .about-inner, .about-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .values-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section-title { font-size: 1.6rem; }
  .hero-title { font-size: 2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-bottom: none; }
  .services-grid, .news-grid { grid-template-columns: 1fr; }
  .nav-menu, .nav-cta { display: none; }
  .nav-menu.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-white); padding: 16px 24px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); border-top: 1px solid var(--border); }
  .nav-menu.open a { padding: 12px 0; border-bottom: 1px solid var(--border); border-radius: 0; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-contacts { gap: 24px; }
  .hero-inner { padding: 40px 0; }
  .cta-section h2 { font-size: 1.8rem; }
  .contact-form-col { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .values-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.6rem; }
  .hero-card.featured { grid-column: span 1; }
  .values-grid, .team-grid, .cert-grid { grid-template-columns: 1fr; }
  .partners-row { gap: 24px; }
}