/* 产品页面通用样式 */

/* 防护能力展示样式 */
.defense-showcase {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 80px 0;
}

.defense-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.stat-icon i {
    font-size: 2rem;
    color: white;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 防护技术样式 */
.defense-tech {
    background: #f8f9fa;
    padding: 80px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.tech-icon i {
    font-size: 2rem;
    color: white;
}

.tech-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.tech-item p {
    color: #666;
    line-height: 1.6;
}

/* 带宽优势展示样式 */
.bandwidth-showcase {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 80px 0;
}

.bandwidth-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* 线路优势样式 */
.line-advantages {
    background: #f8f9fa;
    padding: 80px 0;
}

.line-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.line-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.line-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.line-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.line-icon i {
    font-size: 2rem;
    color: white;
}

.line-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.line-item p {
    color: #666;
    line-height: 1.6;
}

/* 机房环境展示样式 */
.datacenter-env {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
}

/* 机房设施样式 */
.facility-features {
    background: #f8f9fa;
    padding: 80px 0;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.facility-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.facility-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.facility-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.facility-icon i {
    font-size: 2rem;
    color: white;
}

.facility-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.facility-item p {
    color: #666;
    line-height: 1.6;
}

/* 服务内容样式 */
.service-content {
    background: white;
    padding: 80px 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s;
}

.service-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 1.8rem;
    color: white;
}

.service-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.service-item ul {
    list-style: none;
    padding: 0;
}

.service-item li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.service-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* IP优势展示样式 */
.ip-showcase {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 80px 0;
}

/* IP特性样式 */
.ip-features {
    background: #f8f9fa;
    padding: 80px 0;
}

.ip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.ip-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.ip-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.ip-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.ip-icon i {
    font-size: 2rem;
    color: white;
}

.ip-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.ip-item p {
    color: #666;
    line-height: 1.6;
}
.product-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 80px;
}

.product-hero .container {
    text-align: center;
}

.product-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.product-hero .hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

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

/* 产品配置样式 */
.product-configs {
    background: white;
    padding: 80px 0;
}

.config-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    border: 2px solid #e0e0e0;
    background: white;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
    font-weight: 500;
}

.tab-btn:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.tab-btn.active {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.config-content {
    max-width: 1200px;
    margin: 0 auto;
}

.config-panel {
    display: none;
}

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

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

.config-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.config-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.config-card.featured {
    border-color: #2563eb;
    transform: scale(1.05);
}

.config-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #ff4444;
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.config-header {
    margin-bottom: 2rem;
}

.config-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.2rem;
    color: #2563eb;
    font-weight: 600;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
}

.period {
    font-size: 1rem;
    color: #666;
}

.config-specs {
    margin-bottom: 2rem;
}

.spec-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item i {
    color: #2563eb;
    width: 20px;
}

.config-card .btn-primary {
    width: 100%;
    background: #2563eb;
    color: white;
}

.config-card .btn-primary:hover {
    background: #1d4ed8;
}

/* 可选区域样式 */
.available-regions {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.regions-layout {
    margin-bottom: 3rem;
}

.region-group.horizontal {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(37, 99, 235, 0.08);
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.region-group.horizontal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 25%, #2563eb 50%, #1d4ed8 75%, #2563eb 100%);
    background-size: 300% 100%;
    animation: shimmer 4s ease-in-out infinite;
}

.region-group.horizontal h3 {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    text-align: center;
    justify-content: center;
}

.region-group.horizontal h3 i {
    color: #2563eb;
    font-size: 1.4rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3f8ff 100%);
    padding: 0.6rem;
    border-radius: 15px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: 0 3px 12px rgba(37, 99, 235, 0.2);
}

/* 运营商线路说明样式 */
.region-operator-notice {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3f8ff 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    color: #1a56db;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
}

.region-operator-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.region-operator-notice i {
    color: #2563eb;
    font-size: 1rem;
    flex-shrink: 0;
}

.region-operator-notice span {
    font-weight: 500;
    line-height: 1.4;
}

.region-items-horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    align-items: flex-start;
}

.region-items-horizontal .region-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
    min-width: 120px;
    text-align: center;
}

.region-items-horizontal .region-item:hover {
    background: #e3f2fd;
    transform: translateY(-3px);
}

.region-items-horizontal .region-item.selected {
    background: #2563eb;
    color: white;
    transform: translateY(-3px);
}

.region-items-horizontal .region-item.selected .region-name {
    color: white;
}

.region-items-horizontal .region-item.selected .region-code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.region-items-horizontal .region-name {
    font-weight: 500;
    color: #333;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.region-items-horizontal .region-code {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: #666;
    background: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

/* 省份分组样式 */
.region-subgroup {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 1.5rem;
    min-width: 140px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.region-subgroup:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.subgroup-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1a56db;
    margin-bottom: 0.8rem;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border-radius: 20px;
    border: none;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.subgroup-items {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: center;
    width: 100%;
}

.subgroup-items .region-item {
    min-width: 110px;
    width: 100%;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.subgroup-items .region-item:hover {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3f8ff 100%);
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.subgroup-items .region-item.selected {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-color: #1d4ed8;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.subgroup-items .region-item.selected .region-name {
    color: white;
}

.subgroup-items .region-item.selected .region-code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.regions-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.region-group {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(37, 99, 235, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.region-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 50%, #2563eb 100%);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.region-group:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.region-group h3 {
    font-size: 1.4rem;
    margin-bottom: 1.8rem;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 700;
    position: relative;
}

.region-group h3 i {
    color: #2563eb;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3f8ff 100%);
    padding: 0.5rem;
    border-radius: 12px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.region-items {
    display: grid;
    gap: 0.8rem;
}

.region-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.region-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.region-item:hover::before {
    left: 100%;
}

.region-item:hover {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3f8ff 100%);
    border-color: #2563eb;
    transform: translateY(-3px) translateX(5px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
}

.region-item.selected {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-color: #1d4ed8;
    color: white;
    transform: translateY(-3px) translateX(5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.region-item.selected .region-name {
    color: white;
    font-weight: 600;
}

.region-item.selected .region-code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.region-name {
    font-weight: 600;
    color: #2d3748;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.region-code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8rem;
    color: #4a5568;
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.regions-notice {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #2563eb 100%);
    background-size: 200% 100%;
    animation: gradientShift 6s ease-in-out infinite;
    color: white;
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2.5rem;
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.35);
    position: relative;
    overflow: hidden;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.regions-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 4s ease-in-out infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.notice-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.notice-icon i {
    font-size: 1.8rem;
    color: white;
}

.notice-content {
    flex: 1;
}

.notice-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.notice-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

.notice-action {
    flex-shrink: 0;
}

.regions-notice .btn-primary {
    background: white;
    color: #2563eb;
    border: none;
    padding: 14px 35px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.regions-notice .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.regions-notice .btn-primary:hover::before {
    left: 100%;
}

.regions-notice .btn-primary:hover {
    background: #f8f9fa;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

/* 产品特性样式 */
.product-features {
    background: #f8f9fa;
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 应用场景样式 */
.use-cases {
    background: white;
    padding: 80px 0;
}

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

.case-item {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s;
}

.case-item:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
}

.case-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.case-icon i {
    font-size: 1.8rem;
    color: white;
}

.case-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.case-item p {
    color: #666;
    line-height: 1.6;
}

/* FAQ样式 */
.faq {
    background: #f8f9fa;
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
}

.faq-question i {
    color: #2563eb;
    transition: transform 0.3s;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* CTA区域样式 */
.cta-section {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.cta-section .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-section .btn-secondary:hover {
    background: white;
    color: #2563eb;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-hero .hero-title {
        font-size: 2rem;
    }
    
    .hero-features {
        gap: 1.5rem;
    }
    
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .config-card.featured {
        transform: none;
    }
    
    .config-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    /* 区域板块响应式 */
    .regions-row {
        grid-template-columns: 1fr;
    }
    
    .region-items-horizontal {
        justify-content: center;
    }
    
    .region-items-horizontal .region-item {
        min-width: 100px;
        flex: 0 0 auto;
    }
    
    .region-subgroup {
        margin-right: 1rem;
        min-width: 100px;
    }
    
    .subgroup-title {
        font-size: 0.8rem;
        padding: 0.2rem 0.6rem;
    }
    
    .region-operator-notice {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
        padding: 0.8rem 1rem;
        font-size: 0.85rem;
    }
    
    .regions-notice {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .notice-action {
        width: 100%;
    }
    
    .regions-notice .btn-primary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .product-hero {
        padding: 100px 0 60px;
    }
    
    .product-configs,
    .product-features,
    .use-cases,
    .faq {
        padding: 60px 0;
    }
    
    .cta-section {
        padding: 60px 0;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .config-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 200px;
    }
}