/* ============================================================
   久亮眼科 - 前台主样式
   主色: #0A66C2  辅助色: #10B981  强调色: #D4AF37
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
    --primary: #0A66C2;
    --primary-dark: #084D94;
    --primary-light: #E8F4FD;
    --secondary: #10B981;
    --secondary-dark: #059669;
    --secondary-light: #D1FAE5;
    --accent: #D4AF37;
    --accent-light: #FDF6E3;
    --text: #1F2937;
    --text-light: #6B7280;
    --text-lighter: #9CA3AF;
    --bg: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --container: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text); font-weight: 600; }

/* ---------- 通用容器 ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-bg { background: var(--bg-light); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 32px; margin-bottom: 12px; position: relative; display: inline-block; }
.section-title h2::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 48px; height: 3px; background: var(--primary); border-radius: 2px; }
.section-title p { color: var(--text-light); font-size: 16px; margin-top: 16px; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius); font-size: 15px; font-weight: 500; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); border: 1px solid #fff; }
.btn-white:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.site-header.scrolled {
    box-shadow: var(--shadow-md);
}
.header-inner {
    max-width: var(--container); margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; height: 72px; gap: 24px;
}
.header-logo {
    display: flex; align-items: center; gap: 10px; flex-shrink: 0;
    text-decoration: none; color: var(--text);
}
.logo-icon {
    width: 36px; height: 36px; background: var(--primary);
    border-radius: var(--radius-sm); display: flex; align-items: center;
    justify-content: center; color: #fff;
}
.logo-icon svg { width: 22px; height: 22px; fill: currentColor; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--primary); }
.logo-text span { color: var(--accent); }

.header-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.header-nav a {
    padding: 8px 14px; border-radius: var(--radius-sm); font-size: 15px;
    color: var(--text); font-weight: 500; transition: var(--transition);
}
.header-nav a:hover, .header-nav a.active { color: var(--primary); background: var(--primary-light); }

.header-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-search {
    display: flex; align-items: center; gap: 6px;
    background: var(--bg-gray); border-radius: 20px; padding: 6px 14px;
    border: 1px solid transparent; transition: var(--transition);
}
.header-search:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px var(--primary-light); }
.search-icon { color: var(--text-lighter); flex-shrink: 0; }
.header-search input {
    border: none; background: none; outline: none; width: 160px;
    font-size: 13px; color: var(--text);
}
.header-search input::placeholder { color: var(--text-lighter); }

.btn-appointment {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 20px; border-radius: 20px; font-size: 14px; font-weight: 500;
    background: var(--primary); color: #fff; transition: var(--transition);
    white-space: nowrap;
}
.btn-appointment:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-appointment svg { flex-shrink: 0; }

.mobile-menu-btn {
    display: none; flex-direction: column; gap: 5px; padding: 8px;
    cursor: pointer;
}
.mobile-menu-btn span {
    display: block; width: 22px; height: 2px; background: var(--text);
    border-radius: 2px; transition: var(--transition);
}
.mobile-nav {
    display: none; flex-direction: column; padding: 8px 20px 16px;
    background: #fff; border-top: 1px solid var(--border);
}
.mobile-nav.show { display: flex; }
.mobile-nav a {
    padding: 12px 0; border-bottom: 1px solid var(--border-light);
    color: var(--text); font-size: 15px;
}
.mobile-nav a:hover { color: var(--primary); }

/* ============================================================
   Hero 轮播
   ============================================================ */
.hero {
    position: relative; min-height: 600px; display: flex;
    align-items: center; overflow: hidden;
    margin-top: 72px; background: linear-gradient(135deg, #0A66C2 0%, #084D94 50%, #063B70 100%);
}
.hero-slider { width: 100%; position: relative; }
.hero-slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center; opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    transform: scale(1.02);
}
.hero-slide.active { opacity: 1; position: relative; transform: scale(1); }
.hero-content {
    max-width: var(--container); margin: 0 auto; padding: 80px 20px;
    width: 100%; color: #fff; position: relative; z-index: 2;
}
.hero-content h1 { font-size: 44px; font-weight: 700; line-height: 1.2; margin-bottom: 20px; color: #fff; }
.hero-content h1 span { color: var(--accent); }
.hero-content p { font-size: 18px; opacity: 0.9; margin-bottom: 32px; max-width: 600px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 3;
}
.hero-dot {
    width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4);
    cursor: pointer; transition: var(--transition); border: none;
}
.hero-dot.active { background: #fff; width: 32px; border-radius: 6px; }
.hero-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(10,102,194,0.75) 0%, rgba(8,77,148,0.55) 100%);
    z-index: 1;
}
.hero-bg-img {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
}

/* ============================================================
   服务卡片
   ============================================================ */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
    background: #fff; border-radius: var(--radius-md); padding: 32px 24px;
    text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
    transition: var(--transition); position: relative; overflow: hidden;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0); transition: transform 0.3s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 64px; height: 64px; margin: 0 auto 20px;
    background: var(--primary-light); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--primary); color: #fff; }
.service-icon svg { width: 32px; height: 32px; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.service-card .btn { margin-top: 16px; }

/* ============================================================
   优势展示
   ============================================================ */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.advantage-item { text-align: center; padding: 24px; }
.advantage-number { font-size: 48px; font-weight: 700; color: var(--primary); line-height: 1; }
.advantage-number span { font-size: 20px; color: var(--accent); }
.advantage-item h3 { font-size: 18px; margin: 12px 0 8px; }
.advantage-item p { color: var(--text-light); font-size: 14px; }

/* ============================================================
   医生卡片
   ============================================================ */
.doctor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.doctor-card {
    background: #fff; border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
    transition: var(--transition);
}
.doctor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.doctor-card-img {
    width: 100%; aspect-ratio: 3/4; object-fit: cover;
    background: var(--bg-gray);
}
.doctor-card-body { padding: 20px; text-align: center; }
.doctor-card-body h3 { font-size: 18px; margin-bottom: 6px; }
.doctor-card-body .title { font-size: 13px; color: var(--primary); margin-bottom: 8px; }
.doctor-card-body .dept { font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.doctor-card-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============================================================
   新闻列表
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: #fff; border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
    transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--bg-gray); }
.news-card-body { padding: 20px; }
.news-card-tag {
    display: inline-block; padding: 2px 10px; border-radius: 10px;
    font-size: 12px; background: var(--primary-light); color: var(--primary);
    margin-bottom: 10px;
}
.news-card-body h3 { font-size: 16px; margin-bottom: 8px; line-height: 1.5; }
.news-card-body h3 a { color: var(--text); }
.news-card-body h3 a:hover { color: var(--primary); }
.news-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-meta { margin-top: 12px; font-size: 13px; color: var(--text-lighter); display: flex; gap: 16px; }

/* 新闻列表模式 */
.news-list-item {
    display: flex; gap: 20px; padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-img { width: 200px; height: 140px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; background: var(--bg-gray); }
.news-list-body { flex: 1; }
.news-list-body h3 { font-size: 18px; margin-bottom: 8px; }
.news-list-body h3 a { color: var(--text); }
.news-list-body h3 a:hover { color: var(--primary); }
.news-list-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-body .news-card-meta { margin-top: 10px; }

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 64px 0; color: #fff; text-align: center;
}
.cta-section h2 { font-size: 32px; color: #fff; margin-bottom: 16px; }
.cta-section p { font-size: 16px; opacity: 0.9; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-phone { font-size: 28px; font-weight: 700; margin-top: 24px; letter-spacing: 1px; }

/* ============================================================
   环境展示
   ============================================================ */
.env-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.env-item { border-radius: var(--radius-md); overflow: hidden; position: relative; aspect-ratio: 4/3; }
.env-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.env-item:hover img { transform: scale(1.05); }
.env-item .env-label {
    position: absolute; bottom: 0; left: 0; right: 0; padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.6)); color: #fff;
    font-size: 14px; font-weight: 500;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: #1F2937; color: #D1D5DB; padding: 60px 0 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #374151; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-icon { width: 32px; height: 32px; background: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: #fff; }
.footer-logo .logo-icon svg { width: 18px; height: 18px; fill: currentColor; }
.footer-logo span { font-size: 18px; font-weight: 600; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 16px; color: #9CA3AF; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: 14px; }
.footer-contact-item svg { width: 18px; height: 18px; fill: #9CA3AF; flex-shrink: 0; margin-top: 2px; }
.footer-column h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-column h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); }
.footer-column ul li { margin-bottom: 10px; }
.footer-column ul a { color: #9CA3AF; font-size: 14px; transition: var(--transition); }
.footer-column ul a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
    padding: 20px 0; display: flex; justify-content: space-between; align-items: center;
    font-size: 13px; color: #6B7280;
}

/* ============================================================
   页面 Banner
   ============================================================ */
.page-banner {
    margin-top: 72px; padding: 60px 0; text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; position: relative; overflow: hidden;
}
.page-banner::before {
    content: ''; position: absolute; top: -50%; right: -10%;
    width: 400px; height: 400px; background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.page-banner h1 { font-size: 36px; color: #fff; margin-bottom: 12px; }
.page-banner .breadcrumb { font-size: 14px; opacity: 0.8; }
.page-banner .breadcrumb a { color: #fff; opacity: 0.8; }
.page-banner .breadcrumb a:hover { opacity: 1; }
.page-banner .breadcrumb span { margin: 0 8px; opacity: 0.6; }

/* ============================================================
   关于我们
   ============================================================ */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-intro-img { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-intro-img img { width: 100%; height: 100%; object-fit: cover; }
.about-intro-text h2 { font-size: 28px; margin-bottom: 16px; }
.about-intro-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.about-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 24px; }
.about-feature-item {
    display: flex; align-items: flex-start; gap: 12px; padding: 16px;
    background: var(--bg-light); border-radius: var(--radius);
}
.about-feature-item svg { width: 24px; height: 24px; color: var(--secondary); flex-shrink: 0; margin-top: 2px; }
.about-feature-item h4 { font-size: 15px; margin-bottom: 4px; }
.about-feature-item p { font-size: 13px; color: var(--text-light); margin-bottom: 0; }

/* 里程碑 */
.milestone-list { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; }
.milestone-item {
    text-align: center; padding: 24px 32px; background: #fff;
    border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light); min-width: 200px;
}
.milestone-item .year { font-size: 28px; font-weight: 700; color: var(--primary); }
.milestone-item .event { font-size: 14px; color: var(--text-light); margin-top: 8px; }

/* ============================================================
   服务详情
   ============================================================ */
.service-detail-header { margin-bottom: 40px; }
.service-detail-header h1 { font-size: 32px; margin-bottom: 16px; }
.service-detail-meta { display: flex; gap: 24px; color: var(--text-light); font-size: 14px; }
.service-detail-body { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.service-detail-content { line-height: 1.8; }
.service-detail-content p { margin-bottom: 16px; color: var(--text); }
.service-detail-content h2 { font-size: 24px; margin: 32px 0 16px; }
.service-detail-content h3 { font-size: 20px; margin: 24px 0 12px; }
.service-detail-content img { border-radius: var(--radius); margin: 20px 0; }
.service-detail-sidebar { position: sticky; top: 96px; self-start: sticky; }
.service-sidebar-card {
    background: var(--bg-light); border-radius: var(--radius-md);
    padding: 24px; margin-bottom: 20px; border: 1px solid var(--border-light);
}
.service-sidebar-card h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.service-sidebar-card ul li { margin-bottom: 8px; }
.service-sidebar-card ul a { font-size: 14px; color: var(--text-light); display: block; padding: 8px 12px; border-radius: var(--radius-sm); }
.service-sidebar-card ul a:hover, .service-sidebar-card ul a.active { background: var(--primary-light); color: var(--primary); }
.sidebar-cta { text-align: center; }
.sidebar-cta h3 { border-bottom: none; }
.sidebar-cta .btn { width: 100%; margin-top: 8px; }

/* ============================================================
   医生详情
   ============================================================ */
.doctor-detail { display: grid; grid-template-columns: 300px 1fr; gap: 40px; }
.doctor-detail-profile { text-align: center; }
.doctor-detail-avatar { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-md); box-shadow: var(--shadow-md); margin-bottom: 20px; background: var(--bg-gray); }
.doctor-detail-name { font-size: 24px; margin-bottom: 8px; }
.doctor-detail-title { font-size: 15px; color: var(--primary); margin-bottom: 4px; }
.doctor-detail-dept { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.doctor-detail-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.doctor-detail-tags .tag { padding: 4px 12px; background: var(--primary-light); color: var(--primary); border-radius: 12px; font-size: 13px; }
.doctor-detail-info { margin-top: 24px; text-align: left; }
.doctor-detail-info h3 { font-size: 16px; margin-bottom: 12px; }
.doctor-detail-info ul li { font-size: 14px; color: var(--text-light); margin-bottom: 8px; padding-left: 16px; position: relative; }
.doctor-detail-info ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--secondary); }
.doctor-detail-content h2 { font-size: 22px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.doctor-detail-content p { color: var(--text-light); line-height: 1.8; margin-bottom: 12px; }
.doctor-detail-schedule { margin-top: 32px; }
.doctor-detail-schedule table { width: 100%; border-collapse: collapse; }
.doctor-detail-schedule th, .doctor-detail-schedule td { padding: 10px 16px; border: 1px solid var(--border); text-align: center; font-size: 14px; }
.doctor-detail-schedule th { background: var(--primary-light); color: var(--primary); font-weight: 500; }

/* ============================================================
   新闻详情
   ============================================================ */
.news-detail-header { text-align: center; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.news-detail-header h1 { font-size: 28px; margin-bottom: 12px; }
.news-detail-meta { color: var(--text-light); font-size: 14px; display: flex; gap: 20px; justify-content: center; }
.news-detail-content { max-width: 800px; margin: 0 auto; }
.news-detail-content p { margin-bottom: 16px; line-height: 1.8; color: var(--text); }
.news-detail-content img { border-radius: var(--radius); margin: 20px 0; }
.news-detail-content h2 { font-size: 22px; margin: 32px 0 16px; }
.news-detail-content h3 { font-size: 18px; margin: 24px 0 12px; }
.news-nav { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.news-nav a { color: var(--text-light); font-size: 14px; max-width: 45%; }
.news-nav a:hover { color: var(--primary); }

/* ============================================================
   就诊指南
   ============================================================ */
.guide-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 48px; }
.guide-step {
    text-align: center; padding: 32px 20px; background: #fff;
    border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light); position: relative;
}
.guide-step-num {
    width: 40px; height: 40px; border-radius: 50%; background: var(--primary);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700; margin: 0 auto 16px;
}
.guide-step h3 { font-size: 16px; margin-bottom: 8px; }
.guide-step p { font-size: 13px; color: var(--text-light); line-height: 1.6; }
.guide-step::after {
    content: '→'; position: absolute; right: -18px; top: 50%; transform: translateY(-50%);
    font-size: 24px; color: var(--border);
}
.guide-step:last-child::after { display: none; }

.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-question {
    padding: 16px 20px; display: flex; justify-content: space-between;
    align-items: center; cursor: pointer; font-weight: 500; font-size: 15px;
    background: #fff; transition: var(--transition);
}
.faq-question:hover { background: var(--bg-light); }
.faq-question.active { color: var(--primary); background: var(--primary-light); }
.faq-question .arrow { transition: transform 0.3s; font-size: 12px; color: var(--text-lighter); }
.faq-question.active .arrow { transform: rotate(180deg); color: var(--primary); }
.faq-answer {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
    padding: 0 20px; background: #fff;
}
.faq-answer.show { max-height: 500px; padding: 16px 20px; }
.faq-answer p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ============================================================
   预约表单
   ============================================================ */
.appointment-section { background: var(--bg-light); }
.appointment-form-wrap { max-width: 680px; margin: 0 auto; background: #fff; border-radius: var(--radius-md); padding: 40px; box-shadow: var(--shadow-md); }
.appointment-form-wrap h2 { text-align: center; font-size: 24px; margin-bottom: 8px; }
.appointment-form-wrap .subtitle { text-align: center; color: var(--text-light); margin-bottom: 32px; font-size: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--text); }
.form-group label .required { color: #EF4444; margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px; transition: var(--transition); background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group .error-msg { font-size: 12px; color: #EF4444; display: none; }
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: #EF4444; }
.form-group.has-error .error-msg { display: block; }
.form-submit { margin-top: 24px; text-align: center; }
.form-submit .btn { min-width: 200px; padding: 14px 40px; font-size: 16px; }
.form-agreement { font-size: 13px; color: var(--text-light); text-align: center; margin-top: 12px; }
.form-agreement a { color: var(--primary); }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-list { display: flex; flex-direction: column; gap: 24px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-icon {
    width: 48px; height: 48px; background: var(--primary-light);
    border-radius: var(--radius); display: flex; align-items: center;
    justify-content: center; color: var(--primary); flex-shrink: 0;
}
.contact-info-icon svg { width: 24px; height: 24px; }
.contact-info-item h4 { font-size: 16px; margin-bottom: 4px; }
.contact-info-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
.contact-map { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); min-height: 360px; background: var(--bg-gray); }
.contact-map iframe { width: 100%; height: 100%; min-height: 360px; border: none; }

/* ============================================================
   搜索结果
   ============================================================ */
.search-results-header { margin-bottom: 24px; }
.search-results-header h2 { font-size: 22px; margin-bottom: 4px; }
.search-results-header .count { color: var(--text-light); font-size: 14px; }
.search-result-item { padding: 20px 0; border-bottom: 1px solid var(--border-light); }
.search-result-item h3 { font-size: 17px; margin-bottom: 8px; }
.search-result-item h3 a { color: var(--text); }
.search-result-item h3 a:hover { color: var(--primary); }
.search-result-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
.search-result-item .url { font-size: 13px; color: var(--text-lighter); margin-top: 6px; }
.search-highlight { background: #FEF3C7; color: #92400E; padding: 0 2px; border-radius: 2px; }

/* ============================================================
   分页
   ============================================================ */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; }
.pagination a, .pagination span {
    display: flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 12px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 14px; color: var(--text); transition: var(--transition);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination span { color: var(--text-lighter); border-color: transparent; }

/* ============================================================
   滚动渐显动画
   ============================================================ */
.fade-in {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* ============================================================
   返回顶部
   ============================================================ */
.back-to-top {
    display: none; cursor: pointer; text-decoration: none;
}
.back-to-top.show { display: flex; }

/* ============================================================
   搜索弹窗
   ============================================================ */
.search-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 2000; align-items: flex-start;
    justify-content: center; padding-top: 120px;
}
.search-overlay.show { display: flex; }
.search-box {
    background: #fff; border-radius: var(--radius-lg); padding: 24px;
    width: 90%; max-width: 600px; box-shadow: var(--shadow-xl);
}
.search-box input {
    width: 100%; padding: 14px 20px; border: 2px solid var(--border);
    border-radius: var(--radius); font-size: 16px; outline: none;
    transition: var(--transition);
}
.search-box input:focus { border-color: var(--primary); }
.search-suggestions { margin-top: 12px; }
.search-suggestions a {
    display: block; padding: 10px 16px; border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px;
}
.search-suggestions a:hover { background: var(--bg-light); color: var(--primary); }

/* ============================================================
   消息提示 Toast
   ============================================================ */
.toast {
    position: fixed; top: 80px; right: 20px; padding: 14px 24px;
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
    z-index: 3000; font-size: 14px; display: flex; align-items: center; gap: 10px;
    transform: translateX(120%); transition: transform 0.3s ease;
}
.toast.show { transform: translateX(0); }
.toast.success { border-left: 4px solid var(--secondary); }
.toast.error { border-left: 4px solid #EF4444; }
.toast.info { border-left: 4px solid var(--primary); }

/* ============================================================
   响应式 - 1024px
   ============================================================ */
@media (max-width: 1024px) {
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .doctor-grid { grid-template-columns: repeat(3, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: repeat(3, 1fr); }
    .env-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
    .about-intro { grid-template-columns: 1fr; gap: 32px; }
    .service-detail-body { grid-template-columns: 1fr; }
    .service-detail-sidebar { position: static; }
    .doctor-detail { grid-template-columns: 240px 1fr; gap: 32px; }
    .guide-steps { grid-template-columns: repeat(2, 1fr); }
    .guide-step::after { display: none; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   响应式 - 768px
   ============================================================ */
@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section-title h2 { font-size: 26px; }
    .section-title { margin-bottom: 36px; }

    .header-nav { display: none; }
    .header-search { display: none; }
    .mobile-menu-btn { display: flex; }
    .header-inner { height: 60px; }
    .hero { min-height: 480px; margin-top: 60px; }
    .hero-content { padding: 60px 20px; }
    .hero-content h1 { font-size: 28px; }
    .hero-content p { font-size: 15px; }
    .page-banner { margin-top: 60px; padding: 40px 0; }
    .page-banner h1 { font-size: 28px; }

    .service-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .doctor-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .advantage-grid { grid-template-columns: 1fr; gap: 24px; }
    .advantage-number { font-size: 36px; }
    .env-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-section h2 { font-size: 24px; }
    .cta-phone { font-size: 22px; }

    .footer-main { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .doctor-detail { grid-template-columns: 1fr; }
    .doctor-detail-profile { max-width: 280px; margin: 0 auto; }
    .news-list-item { flex-direction: column; }
    .news-list-img { width: 100%; height: 200px; }
    .guide-steps { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .form-grid { grid-template-columns: 1fr; }
    .appointment-form-wrap { padding: 24px; }
    .news-nav { flex-direction: column; gap: 12px; }
    .news-nav a { max-width: 100%; }

    .milestone-list { gap: 16px; }
    .milestone-item { min-width: 160px; padding: 16px 24px; }
}

/* ============================================================
   响应式 - 480px
   ============================================================ */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .section { padding: 40px 0; }
    .section-title h2 { font-size: 22px; }
    .section-title p { font-size: 14px; }

    .hero { min-height: 400px; }
    .hero-content { padding: 40px 16px; }
    .hero-content h1 { font-size: 24px; }
    .hero-content p { font-size: 14px; margin-bottom: 24px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }

    .doctor-grid { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
    .env-grid { grid-template-columns: 1fr; }

    .page-banner { padding: 32px 0; }
    .page-banner h1 { font-size: 22px; }
    .btn-lg { padding: 12px 24px; font-size: 15px; }

    .news-detail-header h1 { font-size: 22px; }
    .news-detail-content h2 { font-size: 20px; }
    .service-detail-header h1 { font-size: 24px; }

    .cta-section { padding: 48px 0; }
    .cta-section h2 { font-size: 20px; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-phone { font-size: 20px; }

    .appointment-form-wrap { padding: 20px; }
    .appointment-form-wrap h2 { font-size: 20px; }
}