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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --shadow: 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);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.6rem;
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: -0.3px;
}

.nav-brand a {
    text-decoration: none;
    color: inherit;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    gap: 0;
    margin-right: 1rem;
    background: rgba(37, 99, 235, 0.08);
    border-radius: 12px;
    padding: 4px;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.lang-btn {
    padding: 0.6rem 1.4rem;
    border: none;
    background: transparent;
    color: var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    position: relative;
    min-width: 50px;
    text-align: center;
}

.lang-btn:hover:not(.active) {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero 区域 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.88) 0%, rgba(30, 64, 175, 0.82) 40%, rgba(16, 185, 129, 0.75) 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    padding: 0.6rem 1.8rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    font-weight: 400;
    opacity: 0.98;
    letter-spacing: 0.3px;
}

.hero-description {
    font-size: 1.15rem;
    margin-bottom: 3rem;
    opacity: 0.92;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    font-weight: 600;
    padding: 14px 35px;
    font-size: 1.05rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid transparent;
    font-weight: 600;
    padding: 14px 35px;
    font-size: 1.05rem;
    text-decoration: none;
    position: relative;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 35px;
    right: 35px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

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

.btn-secondary:hover::after {
    left: 0;
    right: 0;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用section样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.6rem 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section-description {
    text-align: center;
    color: var(--text-light);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* 关于我们 */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image {
    position: relative;
    padding-bottom: 75%;
    overflow: hidden;
    border-radius: 24px;
}

.about-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image-wrapper:hover .about-image img {
    transform: scale(1.05);
}

.about-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--white);
    padding: 1.8rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 1.2rem;
    z-index: 1;
    border: 2px solid rgba(37, 99, 235, 0.1);
}

.badge-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
}

.badge-text span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.company-info {
    margin-top: 2.5rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    align-items: flex-start;
}

.info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 10px;
}

.info-content {
    flex: 1;
}

.info-content strong {
    color: var(--text-dark);
    margin-right: 0.5rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.3rem;
}

.info-content span {
    color: var(--text-light);
    display: block;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.stat-card {
    background: var(--white);
    color: var(--text-dark);
    padding: 2.8rem 2rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.stat-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 服务项目 */
.services {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.8rem;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(37, 99, 235, 0.25);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.service-icon {
    font-size: 2.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.service-link {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: 1rem;
}

.service-card:hover .service-link {
    opacity: 1;
    transform: translateX(0);
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-form-container {
    background: var(--white);
    padding: 3.5rem;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fafbfc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .language-switcher {
        margin-right: 0.5rem;
        padding: 3px;
    }

    .lang-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        min-width: 45px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 30px;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .section-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .section-tag {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image-wrapper {
        order: -1;
    }

    .about-badge {
        bottom: 20px;
        right: 20px;
        padding: 1rem;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
    }

    .stat-card {
        padding: 2rem 1.2rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-icon {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form-container {
        padding: 2rem;
    }

    .company-info {
        padding: 1.5rem;
    }

    .info-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .info-icon {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .container {
        padding: 0 15px;
    }

    .about,
    .services,
    .contact {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-tag {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 2.2rem 1.8rem;
    }

    .service-icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: 1.2rem;
    }

    .service-icon {
        font-size: 2.2rem;
    }

    .about-badge {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }
}

/* 博客页面样式 */
.blog-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    text-align: center;
    margin-top: 70px;
}

.blog-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.blog-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.7;
}

.blog-content {
    padding: 80px 0 120px;
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.blog-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.blog-card-image {
    position: relative;
    padding-bottom: 60%;
    overflow: hidden;
    background: var(--bg-light);
}

.blog-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.blog-card-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.blog-date,
.blog-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.blog-card:hover .blog-card-title {
    color: var(--primary-color);
}

.blog-card-excerpt {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.blog-card-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    margin-top: auto;
}

.blog-card-link:hover {
    gap: 1rem;
    color: var(--primary-dark);
}

/* 分页样式 */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 4rem;
}

.pagination-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid #e5e7eb;
    background: var(--white);
    color: var(--text-dark);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: inherit;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-dark);
    background: var(--white);
    border: 2px solid transparent;
}

.pagination-number:hover {
    background: rgba(37, 99, 235, 0.05);
    border-color: rgba(37, 99, 235, 0.2);
}

.pagination-number.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* 文章详情页样式 */
.article-hero {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    margin-top: 70px;
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.article-back-link:hover {
    gap: 1rem;
    color: var(--primary-dark);
}

.article-header {
    max-width: 900px;
}

.article-category {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.article-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--text-light);
    font-size: 0.95rem;
}

.article-date,
.article-author,
.article-read-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-featured-image {
    padding: 0;
    margin: 0;
}

.article-featured-image .container {
    max-width: 1200px;
    padding: 0;
}

.article-featured-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.article-content {
    padding: 60px 0 120px;
    background: var(--white);
}

.article-body {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.article-text {
    max-width: 800px;
}

.article-intro {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
}

.article-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.article-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.article-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* 文章侧边栏 */
.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    border: 2px solid #e2e8f0;
}

.sidebar-widget h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.share-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.share-btn {
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.share-facebook {
    background: #1877f2;
    color: var(--white);
}

.share-twitter {
    background: #1da1f2;
    color: var(--white);
}

.share-linkedin {
    background: #0077b5;
    color: var(--white);
}

.share-email {
    background: var(--bg-light);
    color: var(--text-dark);
    border-color: #e5e7eb;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.related-articles {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.related-article {
    display: flex;
    gap: 1rem;
    text-decoration: none;
    padding: 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.related-article:hover {
    background: var(--bg-light);
    border-color: rgba(37, 99, 235, 0.2);
}

.related-article img {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.related-article-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.related-article-content span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 响应式设计 - 博客 */
@media (max-width: 768px) {
    .blog-hero-title {
        font-size: 2.5rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .article-body {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .article-sidebar {
        position: static;
    }

    .article-title {
        font-size: 2.2rem;
    }

    .article-featured-image img {
        height: 300px;
    }

    .article-intro {
        font-size: 1.1rem;
        padding: 1.5rem;
    }

    .pagination-numbers {
        display: none;
    }
}

/* 法律页面样式 */
.legal-page {
    padding: 140px 0 80px;
    background: var(--white);
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.legal-header {
    text-align: center;
    margin-bottom: 4rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #e5e7eb;
}

.legal-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.legal-updated {
    color: var(--text-light);
    font-size: 1rem;
    font-style: italic;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.legal-section:first-child h2 {
    border-top: none;
    padding-top: 0;
}

.legal-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-section p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.legal-section ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-section li {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 0.8rem;
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.legal-section a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 页脚法律链接 */
.footer-legal-links {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    margin: 0 0.5rem;
}

.footer-legal-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-legal-links .separator {
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0.5rem;
}

/* 响应式设计 - 法律页面 */
@media (max-width: 768px) {
    .legal-header h1 {
        font-size: 2.2rem;
    }

    .legal-section h2 {
        font-size: 1.5rem;
    }

    .legal-section h3 {
        font-size: 1.2rem;
    }

    .legal-section p,
    .legal-section li {
        font-size: 1rem;
    }

    .legal-content {
        padding: 0 1rem;
    }
}