:root {
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --primary-color: #3b82f6;
    --secondary-color: #06b6d4;
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border-radius: 12px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Hero头部区域 */
.hero {
    position: relative;
    padding: 70px 0 100px;
    color: var(--white);
    overflow: hidden;
    background: var(--primary-gradient);
    margin-top: 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    font-size: 0.95rem;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.3;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
}

.hero-content .tagline {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    border-radius: 35px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-5px);
    border-color: var(--white);
}

.btn-cta {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.stats-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px 25px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* 区块通用样式 */
.section {
    padding: 100px 0;
    position: relative;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: #1a202c;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.section.alt-bg {
    background: #f8f9fa;
}

/* CA证书类型 */
.section-products {
    background: #ffffff;
}

/* CA证书介绍部分 */
.ca-intro-section {
    margin-bottom: 60px;
}

.ca-intro-content {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary-color);
}

.ca-intro-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.ca-intro-content h3::before {
    content: '📋';
    font-size: 2rem;
}

.ca-intro-content p {
    color: #2d3748;
    line-height: 1.8;
    font-size: 1.1rem;
    font-weight: 500;
}

/* CA证书用途 */
.ca-uses-section {
    margin-bottom: 60px;
}

.ca-uses-section .section-header {
    text-align: left;
    margin-bottom: 30px;
}

.ca-uses-section .section-header h3 {
    font-size: 1.5rem;
    color: #1a202c;
    font-weight: 700;
    margin-bottom: 10px;
}

.ca-uses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

@media (max-width: 1200px) {
    .ca-uses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .ca-uses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .ca-uses-grid {
        grid-template-columns: 1fr;
    }
}

.ca-use-card {
    background: var(--primary-gradient);
    color: #ffffff;
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.ca-use-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.5);
}

.ca-use-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
}

.ca-use-card h4 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    color: #ffffff;
    margin: 0;
}

/* 重要提示 */
.ca-tips-section {
    margin-bottom: 60px;
}

.tips-card {
    background: #fffbeb;
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #f59e0b;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

.tips-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.tips-content {
    flex: 1;
}

.tips-content h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #92400e;
    font-weight: 700;
}

.tips-content p {
    color: #78350f;
    line-height: 1.8;
    font-weight: 500;
}

/* CA证书服务方式 */
.ca-service-ways-section {
    margin-bottom: 60px;
    background: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.ca-service-ways-section .section-header {
    text-align: left;
    margin-bottom: 30px;
}

.ca-service-ways-section .section-header h3 {
    font-size: 1.5rem;
    color: #1a202c;
    font-weight: 700;
    margin-bottom: 10px;
}

.ca-service-ways-section .section-header p {
    font-size: 1rem;
    color: #4a5568;
    font-weight: 500;
    margin: 0;
}

.service-ways-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-way-card {
    background: #f8fafc;
    padding: 35px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 2px solid transparent;
}

.service-way-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
    background: #ffffff;
}

.service-way-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #ffffff;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.service-way-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1a202c;
    font-weight: 700;
}

.service-way-card p {
    color: #2d3748;
    line-height: 1.7;
    margin-bottom: 15px;
    font-weight: 500;
}

.service-way-regions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.region-tag {
    padding: 6px 14px;
    background: #f0f0f0;
    color: var(--light-text);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* CA证书价格查询 */
.ca-price-section {
    margin-bottom: 60px;
    background: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.ca-price-section .section-header {
    text-align: left;
    margin-bottom: 30px;
}

.ca-price-section .section-header h3 {
    font-size: 1.5rem;
    color: #1a202c;
    font-weight: 700;
    margin-bottom: 10px;
}

.price-info-card {
    background: #f8fafc;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.price-intro {
    margin-bottom: 30px;
}

.price-intro h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-intro h4::before {
    content: '💰';
    font-size: 1.8rem;
}

.price-intro p {
    color: #4a5568;
    line-height: 1.8;
    font-weight: 500;
}

.price-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.price-step {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.price-step:hover {
    background: var(--white);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.price-step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
    font-size: 1.1rem;
}

.price-step p {
    color: #1a202c;
    line-height: 1.6;
    margin: 0;
    font-weight: 500;
}

/* CA证书常见问题 */
.ca-faq-section {
    margin-bottom: 40px;
}

.ca-faq-section .section-header {
    text-align: left;
    margin-bottom: 30px;
}

.ca-faq-section .section-header h3 {
    font-size: 1.5rem;
    color: #1a202c;
    font-weight: 700;
    margin-bottom: 10px;
}

.ca-faq-section .section-header p {
    font-size: 1rem;
    color: #4a5568;
    font-weight: 500;
    margin: 0;
}

.faq-grid-custom {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.faq-card-custom {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border-left: 4px solid var(--primary-color);
    border: 1px solid #e2e8f0;
}

.faq-question-custom {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.faq-icon-custom {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.faq-question-custom h4 {
    font-size: 1.15rem;
    color: #1a202c;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
}

.faq-answer-custom {
    padding-left: 65px;
}

.faq-answer-custom p {
    color: #2d3748;
    line-height: 1.8;
    margin: 0;
    font-weight: 500;
}

/* SSL证书推广部分 */
.ssl-promo-section {
    margin-bottom: 30px;
}

.section-solutions {
    padding-top: 60px;
}

.ssl-promo-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #e0e0e0;
}

.ssl-promo-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.ssl-promo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    flex-shrink: 0;
}

.ssl-promo-title h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    color: var(--text-color);
    font-weight: 700;
}

.ssl-promo-title p {
    color: var(--light-text);
    font-size: 1.1rem;
}

.ssl-promo-body {
    margin-bottom: 25px;
}

.ssl-promo-body h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.ssl-promo-body > p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 30px;
}

.ssl-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.ssl-type-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.ssl-type-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.ssl-type-card.dv-single {
    border-top-color: #10b981;
}

.ssl-type-card.ov-single {
    border-top-color: #3b82f6;
}

.ssl-type-card.ip-public {
    border-top-color: #8b5cf6;
}

.ssl-type-card.dv-wildcard {
    border-top-color: #10b981;
}

.ssl-type-card.ov-wildcard {
    border-top-color: #3b82f6;
}

.ssl-type-card.sm2 {
    border-top-color: #ef4444;
}

.ssl-type-badge {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.ssl-type-badge.dv {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.ssl-type-badge.ov {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.ssl-type-badge.ip {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.ssl-type-badge.sm {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.ssl-type-card h5 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 700;
}

.ssl-type-sub {
    color: var(--light-text);
    font-size: 0.85rem;
    margin-bottom: 15px;
    display: block;
}

.ssl-type-features {
    list-style: none;
    text-align: left;
    padding: 0;
    margin: 0;
}

.ssl-type-features li {
    padding: 8px 0;
    color: var(--light-text);
    font-size: 0.9rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ssl-type-features li i {
    color: var(--success);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.ssl-promo-footer {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid #e0e0e0;
}

.ssl-promo-footer p {
    color: var(--light-text);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.btn-ssl {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-ssl:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(16, 185, 129, 0.5);
}

/* 增强型应用场景 */
.solutions-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.solution-card-enhanced {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.solution-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.solution-card-enhanced:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15);
}

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

.solution-image {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 25px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.solution-content > p {
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 1rem;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.solution-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    background: #f0f0f0;
    color: var(--light-text);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.solution-features span i {
    color: var(--success);
}

.solution-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.solution-card-enhanced:hover .solution-arrow {
    opacity: 1;
    transform: translateY(0);
}

/* 增强型省份网格 */
.section-provinces {
    background: var(--white);
}

.search-section {
    margin-bottom: 40px;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 25px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-text);
    font-size: 1.2rem;
}

.search-box input {
    width: 100%;
    padding: 20px 25px 20px 60px;
    border: 3px solid #e5e7eb;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    outline: none;
    background: #f9fafb;
}

.search-box input:focus {
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.provinces-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.province-card-enhanced {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 35px 25px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.province-card-enhanced::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.province-card-enhanced:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.5);
}

.province-card-enhanced:hover::before {
    opacity: 1;
}

.province-flag {
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-align: center;
}

.province-card-enhanced h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.province-card-enhanced > p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.province-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.province-info span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 在线服务增强版 */
.section-online-service {
    background: linear-gradient(180deg, #f8f9fa 0%, var(--white) 100%);
    padding-bottom: 60px;
}

.online-service-enhanced {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.online-card {
    background: var(--white);
    border-radius: 25px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.online-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15);
}

.online-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 2px solid #f0f0f0;
}

.online-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.online-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: #d1fae5;
    color: #065f46;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.active {
    background: var(--success);
}

.online-body {
    padding: 30px;
}

.online-body h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.online-body > p {
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.7;
}

.online-features {
    list-style: none;
    margin-bottom: 20px;
}

.online-features li {
    padding: 10px 0;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.online-features li i {
    color: var(--success);
}

.online-footer {
    padding: 20px 30px;
    background: #f8f9fa;
    text-align: center;
}

.visit-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.visit-link:hover {
    color: var(--secondary-color);
    gap: 12px;
}

/* CTA区域 */
.cta-section {
    text-align: center;
    padding: 50px 0 0;
}

.cta-text {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 页脚增强版 */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
    padding: 80px 0 30px;
    margin-top: 50px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand {
    padding-right: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-brand > p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.footer-links-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
    font-weight: 600;
}

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

.footer-links-section ul li {
    margin-bottom: 12px;
}

.footer-links-section ul a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links-section ul a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.85);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.contact-item span {
    font-size: 1rem;
    line-height: 1.6;
}

.contact-item span.wechat-link {
    cursor: pointer;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item span.wechat-link:hover {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
    font-size: 0.95rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* 导航栏增强版 */
.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.logo-text {
    display: flex;
    align-items: center;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }

    .solutions-grid-enhanced,
    .online-service-enhanced {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        gap: 15px;
    }

    .nav-link {
        font-size: 0.9rem;
        padding: 8px 12px;
    }
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .stats-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content .tagline {
        font-size: 1.1rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

    .solutions-grid-enhanced,
    .online-service-enhanced {
        grid-template-columns: 1fr;
    }

    .ssl-types-grid {
        grid-template-columns: 1fr;
    }

    .service-ways-grid,
    .price-steps {
        grid-template-columns: 1fr;
    }

    .ca-service-ways-section,
    .ca-price-section {
        padding: 25px;
    }

    .tips-card {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .contact-item {
        justify-content: center;
    }

    .search-box input {
        padding: 15px 20px 15px 50px;
        font-size: 1rem;
    }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

/* 顶部导航栏 */
.top-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.top-nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    min-width: 180px;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

/* 高亮导航链接 */
.nav-link.highlight {
    background: var(--primary-gradient);
    color: var(--white);
}

.nav-link.highlight:hover {
    color: var(--white);
    transform: translateY(-2px);
}

.nav-link.highlight::after {
    display: none;
}

/* 微信图片弹窗 */
.wechat-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.wechat-modal-content {
    background: var(--white);
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    padding: 0;
    position: relative;
    animation: modalFadeIn 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.wechat-modal-header {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 25px 30px;
    border-radius: 20px 20px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wechat-modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.wechat-modal-header h3::before {
    content: '💬';
    font-size: 1.5rem;
}

.close-modal {
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.wechat-modal-body {
    padding: 30px;
    text-align: center;
}

.wechat-modal-body img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    display: block;
    margin: 0 auto;
}

/* 社交链接悬停效果增强 */
.social-link.wechat {
    position: relative;
}

.social-link.wechat:hover::after {
    content: '扫码关注';
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}