/* ========================================
   辽宁优泰教育 - 官网样式
   现代简约 | 专业商务 | 响应式
   ======================================== */

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

:root {
    /* 主色调 - 深蓝商务 */
    --primary: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0f2744;
    
    /* 强调色 - 活力橙 */
    --accent: #ed8936;
    --accent-light: #f6ad55;
    --accent-dark: #c05621;
    
    /* 中性色 */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-dark: #1a202c;
    
    /* 边框与阴影 */
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
}

.footer-logo-img {
    height: 48px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(237,137,54,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(237,137,54,0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    color: var(--primary);
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid var(--primary);
    cursor: pointer;
}

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

.btn-large {
    padding: 14px 36px;
    font-size: 1.05rem;
}

/* 行测自测按钮 - 绿色系，突出互动工具属性 */
.btn-quiz {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}

.btn-quiz:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16,185,129,0.4);
}

.btn-comprehensive {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}

.btn-comprehensive:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99,102,241,0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* ========================================
   Hero 首屏
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(237,137,54,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(237,137,54,0.08) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--space-xl);
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-phone {
    margin-bottom: var(--space-md);
}

.hero-phone a {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    padding: 12px 32px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(237,137,54,0.4);
    transition: var(--transition);
    animation: phonePulse 2s infinite;
}

.hero-phone a:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(237,137,54,0.6);
}

@keyframes phonePulse {
    0%, 100% { box-shadow: 0 8px 30px rgba(237,137,54,0.4); }
    50% { box-shadow: 0 8px 45px rgba(237,137,54,0.7); }
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

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

.stat-num {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn-secondary {
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.hero-cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.5; }
}

/* ========================================
   通用区块样式
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(237,137,54,0.1);
    color: var(--accent);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   关于我们
   ======================================== */
.about {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.about-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.about-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.about-icon svg {
    width: 32px;
    height: 32px;
}

.about-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-mission {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    color: white;
    text-align: center;
}

.about-mission h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about-mission p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    line-height: 1.8;
}

.mission-values {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.value-tag {
    padding: 8px 24px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-xl);
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* 团队照片 */
.about-team {
    margin-top: var(--space-xl);
    text-align: center;
}

.team-image-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.team-caption {
    margin-top: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========================================
   服务内容
   ======================================== */
.services {
    padding: var(--space-2xl) 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: white;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(237,137,54,0.15);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--space-md);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 6px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 700;
}

/* ========================================
   成功案例
   ======================================== */
.cases {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.case-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder {
    width: 64px;
    height: 64px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.case-placeholder svg {
    width: 32px;
    height: 32px;
}

.case-content {
    padding: var(--space-lg);
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(237,137,54,0.1);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.case-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.case-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.case-stats {
    display: flex;
    gap: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.case-stats span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.case-stats strong {
    color: var(--accent);
    font-size: 1.1rem;
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    padding: var(--space-2xl) 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.contact-card {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contact-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-detail h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-detail p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-detail a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.contact-detail a:hover {
    text-decoration: underline;
}

.contact-note {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    margin-top: 4px;
}

/* CTA 区域二维码 */
.cta-qrcode {
    margin-bottom: var(--space-lg);
}

.cta-qrcode .qrcode-img-wrapper {
    width: 160px;
    height: 160px;
    margin: 0 auto var(--space-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 3px solid rgba(255,255,255,0.3);
    background: white;
    padding: 6px;
}

.cta-qrcode .qrcode-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}

.cta-qrcode p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    line-height: 1.6;
}

.cta-divider {
    height: 1px;
    background: rgba(255,255,255,0.2);
    margin: var(--space-lg) 0;
}

.contact-cta {
    display: flex;
    align-items: center;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    color: white;
    text-align: center;
    width: 100%;
}

.cta-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.cta-box .btn-primary {
    background: white;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-box .btn-primary:hover {
    background: var(--accent);
    color: white;
}

.cta-box .btn-primary svg {
    width: 20px;
    height: 20px;
}

.cta-features {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--accent);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

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

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .about-grid,
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .mission-values {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-content {
        padding: var(--space-lg);
    }
    
    .about-card,
    .service-card,
    .case-card,
    .contact-card {
        padding: var(--space-md);
    }
}

/* ========================================
   滚动动画
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   文章列表页 / 文章详情页
   ======================================== */

/* 子页面通用 - 顶部间距 */
.page-wrapper {
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* 子页面 Hero 横幅 - 与主页风格统一 */
.sub-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 140px 0 70px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.sub-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(237,137,54,0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(237,137,54,0.08) 0%, transparent 40%);
}

.sub-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.sub-hero .section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.sub-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.sub-hero p {
    opacity: 0.85;
    font-size: 1.1rem;
}

/* 面包屑导航 - Hero下方 */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-md) 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--text-muted);
}

.news-list {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.news-card {
    display: flex;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-decoration: none;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.news-card-image {
    width: 280px;
    min-width: 280px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.news-card-image svg {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.news-card-body {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(237,137,54,0.1);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    align-self: flex-start;
}

.news-card-body h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.news-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.news-card-meta .read-more {
    color: var(--accent);
    font-weight: 600;
    margin-left: auto;
}

/* 文章详情页 */
.article-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.article-meta .tag {
    padding: 4px 12px;
    background: rgba(237,137,54,0.1);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.article-cover {
    width: 100%;
    height: 360px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.3);
}

.article-cover svg {
    width: 80px;
    height: 80px;
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.article-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin: var(--space-xl) 0 var(--space-md);
}

.article-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
    margin: var(--space-lg) 0 var(--space-sm);
}

.article-content p {
    margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol {
    margin: 0 0 var(--space-md) var(--space-lg);
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    padding: var(--space-sm) var(--space-md);
    background: rgba(237,137,54,0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--space-md) 0;
    color: var(--text-secondary);
}

.article-content img {
    width: 100%;
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
}

.article-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.article-nav a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.article-nav a:hover {
    color: var(--accent-dark);
}

.article-share {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.article-share span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 768px) {
    .news-card {
        flex-direction: column;
    }
    
    .news-card-image {
        width: 100%;
        min-width: 100%;
        height: 180px;
    }
    
    .article-cover {
        height: 200px;
    }
    
    .article-content {
        font-size: 1rem;
    }
}