* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

: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;
}

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    background: #f5f7fa;
    min-height: 100vh;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
}

/* ==================== Hero头部区域 ==================== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    color: var(--white);
    overflow: hidden;
    background: var(--primary-gradient);
}

.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;
}

/* CA证书办理流程 - 已删除 */

/* 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;
}

@media (max-width: 1400px) {
    .service-ways-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .service-ways-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.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 - 已删除 */

/* ==================== 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;
}

/* 应用场景板块优化 */
.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);
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.product-card-full {
    background: var(--white);
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.product-card-full:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.product-card-full.featured {
    border: 3px solid var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    color: var(--white);
    padding: 8px 40px;
    font-size: 0.85rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 4px 15px rgba(255, 216, 155, 0.4);
}

.featured-badge i {
    margin-right: 5px;
}

.product-header {
    padding: 40px 30px 25px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.product-icon.large {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2.2rem;
    flex-shrink: 0;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.product-info {
    flex: 1;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 700;
}

.product-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 5px 12px;
    background: #f0f0f0;
    color: var(--light-text);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag.hot {
    background: #fee2e2;
    color: #dc2626;
}

.tag.popular {
    background: #dbeafe;
    color: #1e40af;
}

.tag.new {
    background: #d1fae5;
    color: #065f46;
}

.product-body {
    padding: 0 30px 30px;
}

.product-desc {
    color: var(--light-text);
    margin-bottom: 25px;
    line-height: 1.8;
    font-size: 1.05rem;
}

.product-features-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--light-text);
    font-size: 1rem;
}

.feature-check i {
    color: var(--success);
    font-size: 1.2rem;
}

.product-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 15px;
    padding-top: 25px;
    border-top: 2px solid #f0f0f0;
}

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

.price-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-unit {
    font-size: 1rem;
    color: var(--light-text);
    font-weight: normal;
}

/* ==================== 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;
}

/* ==================== 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;
}

/* ==================== FAQ增强版 ==================== */
.section-faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item-enhanced {
    background: #f8f9fa;
    padding: 35px 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.faq-item-enhanced:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    background: var(--white);
}

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

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

.faq-question h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    font-weight: 700;
    margin: 0;
}

.faq-answer p {
    color: var(--light-text);
    line-height: 1.8;
    margin: 0;
    font-size: 1rem;
}

/* ==================== 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);
}

.contact-item span.wechat-link:hover {
    color: var(--secondary-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);
    }
    
    .products-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 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;
    }

    .products-showcase,
    .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);
}

/* 页面页头 */
.page-header {
    padding-top: 120px;
    padding-bottom: 40px;
    text-align: center;
    color: var(--white);
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* 关于页面 */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-stats .stat-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--border-radius);
}

.about-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.about-stats .stat-label {
    font-size: 1rem;
    opacity: 0.95;
}

/* 使命网格 */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.mission-card {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

.mission-card .mission-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.mission-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.mission-card p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* 特色网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.feature-box {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

.feature-box .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.feature-box h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-box p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* 免责声明 */
.disclaimer-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.disclaimer-box {
    background: #fff3cd;
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--warning);
}

.disclaimer-box h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.disclaimer-box h3 i {
    color: var(--warning);
}

.disclaimer-box p {
    color: #856404;
    line-height: 1.8;
    margin: 0;
}

/* 产品卡片 */
.product-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.product-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.product-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-badge.new {
    background: var(--success);
}

.product-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: var(--white);
    font-size: 1.8rem;
}

.product-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
    text-align: center;
}

.product-desc {
    color: var(--light-text);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.product-features span {
    background: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
}

.product-status {
    font-size: 0.9rem;
    color: var(--success);
    font-weight: 600;
}

.product-btn {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.product-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

/* 解决方案 */
.solution-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.solution-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.solution-item {
    display: flex;
    gap: 25px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.solution-item:hover {
    transform: translateX(5px);
    box-shadow: var(--box-shadow);
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    flex-shrink: 0;
}

.solution-content {
    flex: 1;
}

.solution-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.solution-content > p {
    color: var(--light-text);
    margin-bottom: 15px;
    line-height: 1.7;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.solution-tags span {
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
}

/* 价格表格 */
.pricing-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

/* FAQ列表 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-question i.rotate {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 25px 20px;
    color: var(--light-text);
    margin: 0;
    line-height: 1.6;
}

.pricing-table {
    overflow-x: auto;
    margin-top: 20px;
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
    background: #f8f9fa;
}

.pricing-table th,
.pricing-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.pricing-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.pricing-table td.price {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.pricing-table td.price.highlight {
    color: var(--success);
}

.pricing-table tr:hover td {
    background: var(--white);
}

.cert-name {
    font-weight: 600;
    color: var(--text-color);
}

.cert-desc {
    font-size: 0.85rem;
    color: var(--light-text);
}

.price-note {
    background: #fff3cd;
    border-left: 4px solid var(--warning);
    padding: 15px;
    margin-top: 20px;
    border-radius: 6px;
}

.price-note p {
    color: #856404;
    margin: 0;
}

/* 服务价格卡片 */
.service-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.service-pricing-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.service-pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.service-pricing-card .service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--white);
    font-size: 1.5rem;
}

.service-pricing-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.service-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.service-pricing-card > p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* SSL价格卡片 */
.ssl-pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.ssl-pricing-card {
    background: #f8f9fa;
    padding: 35px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ssl-pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.ssl-pricing-card.dv {
    border-top: 4px solid #10b981;
}

.ssl-pricing-card.ov {
    border-top: 4px solid #3b82f6;
}

.ssl-pricing-card.ev {
    border-top: 4px solid #f59e0b;
}

.ssl-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.ssl-pricing-card.dv .ssl-badge {
    background: #d1fae5;
    color: #065f46;
}

.ssl-pricing-card.ov .ssl-badge {
    background: #dbeafe;
    color: #1e40af;
}

.ssl-pricing-card.ev .ssl-badge {
    background: #fef3c7;
    color: #92400e;
}

.ssl-badge.recommend {
    background: #d1fae5;
}

.ssl-badge.premium {
    background: #fef3c7;
}

.ssl-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.ssl-pricing {
    margin-bottom: 20px;
}

.ssl-pricing .ssl-price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.ssl-pricing .ssl-period {
    font-size: 1rem;
    color: var(--light-text);
}

.ssl-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

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

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

.ssl-cta {
    border-top: 1px solid #e0e0e0;
    padding-top: 20px;
}

.ssl-cta a {
    display: inline-block;
    padding: 12px 40px;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.ssl-cta a:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.ssl-cta p {
    margin-top: 10px;
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 云服务价格 */
.cloud-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.cloud-pricing-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.cloud-pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.cloud-pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.cloud-price {
    margin-bottom: 20px;
}

.cloud-price .amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.cloud-price .unit {
    color: var(--light-text);
}

.cloud-features {
    list-style: none;
    text-align: left;
}

.cloud-features li {
    padding: 8px 0;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 折扣活动 */
.discount-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.discount-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.discount-card {
    background: var(--primary-gradient);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.discount-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--warning);
    color: var(--white);
    padding: 5px 40px;
    font-size: 0.85rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.discount-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.discount-card > p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.discount-price {
    margin-bottom: 20px;
}

.discount-price .original {
    text-decoration: line-through;
    opacity: 0.7;
    margin-right: 15px;
}

.discount-price .current {
    font-size: 2rem;
    font-weight: 700;
}

.discount-btn {
    display: inline-block;
    padding: 10px 30px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.discount-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

/* 价格说明 */
.price-notice-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.notice-content ul {
    list-style: none;
}

.notice-content li {
    padding: 12px 0;
    color: var(--light-text);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.notice-content li i {
    color: var(--primary-color);
    margin-top: 3px;
}

/* 在线服务 */
.service-categories {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: var(--white);
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.category-item:hover,
.category-item.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.category-item i {
    font-size: 1.2rem;
}

.online-service-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.service-steps {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.step-item {
    flex: 1;
    min-width: 180px;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

.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;
}

.step-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.step-item > p {
    font-size: 0.9rem;
    color: var(--light-text);
}

.service-form-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.service-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
}

.service-form h3 {
    margin-bottom: 25px;
    color: var(--text-color);
    font-size: 1.3rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.submit-btn {
    flex: 1;
    padding: 12px;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.reset-btn {
    flex: 1;
    padding: 12px;
    background: #e0e0e0;
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.reset-btn:hover {
    background: #d0d0d0;
}

/* 续费和解锁 */
.renew-form-container,
.unlock-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.info-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: var(--border-radius);
}

.info-card.warning {
    background: #fff3cd;
    border-left: 4px solid var(--warning);
}

.info-card i {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
}

.info-card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.info-card ul {
    list-style: none;
}

.info-card li {
    padding: 8px 0;
    color: var(--text-color);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.info-card.warning li {
    color: #856404;
}

/* 证书查询 */
.query-container {
    max-width: 800px;
    margin: 0 auto;
}

.query-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    background: #f8f9fa;
    padding: 10px;
    border-radius: 25px;
}

.query-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
}

.query-tab.active {
    background: var(--primary-color);
    color: var(--white);
}

.query-content {
    margin-bottom: 25px;
}

.query-panel {
    display: none;
}

.query-panel.active {
    display: block;
}

.query-panel h3 {
    margin-bottom: 20px;
    color: var(--text-color);
}

.result-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-top: 20px;
}

.result-info p {
    color: var(--light-text);
}

/* 下载中心扩展 */
.download-group {
    margin-bottom: 30px;
}

.download-group h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-group h3 i {
    color: var(--primary-color);
}

.download-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

.download-list .download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.download-list .download-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(5px);
}

.file-size {
    font-size: 0.85rem;
    opacity: 0.7;
}

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

/* 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%;
}

/* 汉堡菜单按钮 - 默认隐藏 */
.mobile-menu-toggle {
    display: none;
}

/* 页头区域 */
.main-header {
    padding-top: 120px;
    padding-bottom: 60px;
    text-align: center;
    color: var(--white);
}

.header-content h1 {
    font-size: 4rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    font-weight: 700;
}

.tagline {
    font-size: 1.5rem;
    opacity: 0.95;
    margin-bottom: 30px;
}

.header-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 15px 25px;
    border-radius: 30px;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.feature-item i {
    font-size: 1.3rem;
}

/* SSL横幅 */
.info-banner {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    padding: 15px;
    margin-bottom: 30px;
    backdrop-filter: blur(5px);
}

.info-banner-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
}

.info-banner-content i {
    font-size: 1.3rem;
}

/* 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;
}

/* 区块标题 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 40px;
}

/* 区块通用样式 */
.service-section,
.help-section,
.download-section,
.ssl-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

/* CA证书服务 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.service-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: var(--white);
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

/* 信息内容区域 */
.info-content {
    margin-top: 30px;
}

.info-box {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
}

.info-box h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-box h3 i {
    color: var(--primary-color);
}

.info-box p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 15px;
}

.info-box ul {
    list-style: none;
    margin-top: 15px;
}

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

.info-box ul li i {
    color: var(--success);
    font-size: 1.1rem;
}

.info-box.warning {
    background: #fff3cd;
    border-left-color: var(--warning);
}

.info-box.warning h3 i {
    color: var(--warning);
}

.info-box.warning p {
    color: #856404;
}

.info-box.warning ul li {
    color: #856404;
}

/* 办理流程步骤 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.process-step {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.step-num {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.2rem;
    font-weight: 700;
}

.process-step h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.process-step p {
    color: var(--light-text);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 服务方式卡片 */
.service-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-mode-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-mode-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.mode-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.service-mode-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-mode-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin-bottom: 15px;
}

.mode-status {
    display: inline-block;
    padding: 8px 15px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 15px;
    font-size: 0.85rem;
}

/* 价格查询说明 */
.price-notice {
    display: flex;
    gap: 25px;
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    align-items: flex-start;
}

.notice-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
}

.notice-text {
    flex: 1;
}

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

.notice-text p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 15px;
}

.notice-text ol {
    padding-left: 20px;
}

.notice-text ol li {
    padding: 8px 0;
    color: var(--light-text);
    line-height: 1.8;
}

/* SSL证书介绍 */
.ssl-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.ssl-intro-text {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
}

.ssl-intro-text h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.ssl-intro-text h3 i {
    color: var(--primary-color);
}

.ssl-intro-text p {
    color: var(--light-text);
    line-height: 1.8;
}

.ssl-types {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ssl-type-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.ssl-type-item:hover {
    transform: translateX(5px);
    box-shadow: var(--box-shadow);
}

.ssl-type-badge {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ssl-type-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.ssl-type-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

.ssl-cta-box {
    text-align: center;
    padding: 40px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

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

.ssl-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

.ssl-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 省级页面样式 */
.province-header {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 120px 0 60px;
    text-align: center;
}

.province-header .header-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.province-header .tagline {
    font-size: 1.3rem;
    opacity: 0.95;
    margin-bottom: 30px;
}

.province-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.province-info .info-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 25px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(5px);
}

.province-info .info-item i {
    font-size: 1.2rem;
}

/* 联系方式卡片 */
.contact-section {
    padding: 50px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.contact-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.contact-card .contact-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: var(--white);
    font-size: 1.8rem;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.contact-card .contact-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.contact-card .contact-desc {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 服务网点 */
.service-branch-section {
    padding: 50px 0;
}

.branch-list {
    margin-top: 30px;
}

.branch-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
}

.branch-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.branch-item h3::before {
    content: "📍";
}

.branch-details {
    list-style: none;
    margin-bottom: 20px;
    padding: 0;
}

.branch-details li {
    padding: 10px 0;
    color: var(--light-text);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.8;
}

.branch-details li i {
    color: var(--primary-color);
    margin-top: 4px;
    flex-shrink: 0;
}

.branch-details li strong {
    color: var(--text-color);
    font-weight: 600;
    flex-shrink: 0;
}

/* 其他联系方式 */
.other-contact-section {
    padding: 50px 0;
}

/* 公司信息 */
.company-info-section {
    padding: 50px 0;
}

.company-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.company-info-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
}

.company-info-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.company-info-item p {
    color: var(--light-text);
    line-height: 1.6;
}

/* 在线服务 */
.online-service-section {
    padding: 50px 0;
}

.online-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.service-item .service-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: var(--white);
    font-size: 1.8rem;
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.service-item p {
    color: var(--light-text);
    margin-bottom: 15px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--secondary-color);
}

/* 办理须知 */
.notice-section {
    padding: 50px 0;
}

.notice-box {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.notice-box h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.notice-box h3 i {
    color: var(--primary-color);
}

.notice-box p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 10px;
}

.notice-box.warning {
    background: #fff3cd;
    border-left-color: var(--warning);
}

.notice-box.warning h3 i {
    color: var(--warning);
}

.notice-box.warning p {
    color: #856404;
}

/* 相关链接 */
.related-section {
    padding: 50px 0;
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.related-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 联系信息 */
.contact-info-section {
    padding: 50px 0;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.info-box {
    background: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
}

.info-box h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.info-box p {
    color: var(--light-text);
    margin-bottom: 8px;
}

.info-box .info-desc {
    font-size: 0.9rem;
    color: #999;
}

/* 帮助中心 */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.help-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.help-item:hover {
    transform: translateX(5px);
    box-shadow: var(--box-shadow);
}

.help-question {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.help-question i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.help-question h3 {
    font-size: 1.2rem;
    color: var(--text-color);
}

.help-answer {
    padding-left: 40px;
}

.help-answer p {
    color: var(--light-text);
    margin-bottom: 8px;
    padding-left: 15px;
}

.help-answer p::before {
    content: '•';
    color: var(--primary-color);
    margin-right: 10px;
}

/* 下载中心 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.download-group h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-group h3 i {
    color: var(--primary-color);
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.download-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(5px);
}

.download-item i {
    font-size: 1.2rem;
    transition: var(--transition);
}

/* SSL证书 */
.ssl-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.ssl-card {
    background: #f8f9fa;
    padding: 35px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ssl-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.ssl-card.basic {
    border-top: 4px solid #10b981;
}

.ssl-card.professional {
    border-top: 4px solid #3b82f6;
}

.ssl-card.enterprise {
    border-top: 4px solid #f59e0b;
}

.ssl-level {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.ssl-card.basic .ssl-level {
    background: #d1fae5;
    color: #065f46;
}

.ssl-card.professional .ssl-level {
    background: #dbeafe;
    color: #1e40af;
}

.ssl-card.enterprise .ssl-level {
    background: #fef3c7;
    color: #92400e;
}

.ssl-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.ssl-desc {
    color: var(--light-text);
    margin-bottom: 20px;
}

.ssl-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.ssl-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

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

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

.ssl-btn {
    display: inline-block;
    padding: 12px 40px;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.ssl-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* 主内容区域 */
main {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

main h2 {
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 2rem;
    text-align: center;
}

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

.province-card {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 25px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.province-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.province-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.province-card p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 页脚 */
footer {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px 30px 20px;
    margin-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

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

.footer-contact i {
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.75);
}

/* 回到顶部按钮 */
.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);
}

/* 省级页面样式 */
.province-header {
    text-align: center;
    color: var(--white);
    padding: 140px 0 60px;
}

.province-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.province-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.back-link {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    margin-bottom: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.back-link:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cities-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.cities-section h2 {
    color: var(--text-color);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.city-item {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 6px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.city-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.ca-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.ca-section h2 {
    color: var(--text-color);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.ca-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ca-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.ca-item:hover {
    transform: translateX(5px);
    box-shadow: var(--box-shadow);
}

.ca-item h3 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.ca-item p {
    color: var(--light-text);
    margin: 8px 0;
    line-height: 1.7;
}

.ca-item .label {
    font-weight: 600;
    color: var(--primary-color);
}

.ca-contact {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
}

.ca-contact a {
    color: var(--primary-color);
    text-decoration: none;
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .header-content h1 {
        font-size: 3rem;
    }

    .nav-links {
        gap: 20px;
    }

    .service-grid,
    .help-grid,
    .download-grid,
    .ssl-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .price-notice {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .notice-icon {
        margin-bottom: 15px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }

    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
    }

    .mobile-menu-toggle .hamburger {
        width: 100%;
        height: 3px;
        background: var(--primary-color);
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active .hamburger:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active .hamburger:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding: 20px;
        gap: 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 15px 10px;
        font-size: 1rem;
        border-radius: 0;
        text-align: left;
    }

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

    .header-content h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .header-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .feature-item {
        width: 100%;
        max-width: 400px;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

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

    .province-header h1 {
        font-size: 2.5rem;
    }

    .cities-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .help-grid,
    .download-grid {
        grid-template-columns: 1fr;
    }

    .service-modes {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .ssl-type-item {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* 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);
    }
}

/* ==================== 省级页面样式 ==================== */
.province-header {
    padding: 60px 0;
    background: var(--primary-gradient);
    color: var(--white);
    text-align: center;
}