/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.container {
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* 置顶广告 */
.top-ads {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: .75rem 0;
    position: relative;
    animation: slideDown 0.5s ease-out;
}

.top-ads .ads-content {
    padding-right: 3.75rem;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.ads-content {
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .9375rem;
    padding: 0 1.25rem;
}

.ads-icon {
    font-size: 1.125rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-0.625rem);
    }
    60% {
        transform: translateY(-0.3125rem);
    }
}

.ads-text {
    font-size: .875rem;
    font-weight: 500;
}

.ads-btn {
    background: rgba(255, 255, 255, 0.2);
    border: .0625rem solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: .5rem 1rem;
    border-radius: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: .75rem;
}

.ads-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-0.125rem);
}



.ads-close {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    width: 1.875rem;
    height: 1.875rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.ads-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) rotate(90deg);
}

/* 菜单栏 */
.header {
    background: white;
    box-shadow: 0 .125rem .625rem rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    padding: 0 1.25rem;
    height: 4.375rem;
}

/* 大屏幕时取消最大宽度限制，消除右边空隙 */
@media (min-width: 77.5rem) {
    .header-container {
        max-width: 100%;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .ads-content {
        max-width: 100%;
        padding-left: 1.25rem;
        padding-right: 3.75rem;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: .625rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #409EFF;
}

.logo img {
    height: 2.5rem;
    width: auto;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 1.875rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: .625rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #409EFF;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: .125rem;
    background: #409EFF;
    transition: width 0.3s ease;
}

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

.header-actions {
    display: flex;
    gap: .9375rem;
}

.btn-login {
    background: transparent;
    border: .0625rem solid #409EFF;
    color: #409EFF;
    padding: .625rem 1.25rem;
    border-radius: 1.5625rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: .875rem;
}

.btn-login:hover {
    background: #409EFF;
    color: white;
    transform: translateY(-0.125rem);
}

.btn-register {
    background: #409EFF;
    border: none;
    color: white;
    padding: .625rem 1.25rem;
    border-radius: 1.5625rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: .875rem;
}

.btn-register:hover {
    background: #337ecc;
    transform: translateY(-0.125rem);
}

/* Banner板块 */
.banner {
    background: linear-gradient(135deg, #409EFF 0%, #1890ff 100%);
    color: white;
    padding: 3.75rem 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

.banner-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    animation: floatCircle 20s ease-in-out infinite;
}

.circle-1 {
    width: 18.75rem;
    height: 18.75rem;
    top: 10%;
    left: -9.375rem;
    animation-delay: 0s;
}

.circle-2 {
    width: 12.5rem;
    height: 12.5rem;
    top: 60%;
    right: -6.25rem;
    animation-delay: -10s;
}

.circle-3 {
    width: 9.375rem;
    height: 9.375rem;
    bottom: 20%;
    left: 20%;
    animation-delay: -5s;
}

@keyframes floatCircle {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-1.25rem) rotate(180deg);
    }
}

.banner-container {
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3.75rem;
    position: relative;
    z-index: 1;
}

.banner-content {
    flex: 1;
    max-width: 37.5rem;
    animation: fadeInLeft 1s ease-out;
}

.banner-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(.625rem);
    border: .0625rem solid rgba(255, 255, 255, 0.2);
    padding: .375rem 1rem;
    border-radius: 1.25rem;
    font-size: .8125rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 0 .625rem rgba(255, 255, 255, 0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-3.125rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.banner-title {
    font-size: 2.625rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: .9375rem;
    background: linear-gradient(45deg, #fff, #e8f4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5625rem;
    line-height: 1.6;
}

.banner-stats {
    display: flex;
    gap: 1.875rem;
    margin-bottom: 1.875rem;
}

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

.stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    display: block;
    margin-bottom: .3125rem;
}

.stat-label {
    font-size: .75rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: .0313rem;
}

.banner-buttons {
    display: flex;
    gap: .9375rem;
    align-items: center;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(.625rem);
    border: .0625rem solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: .75rem 1.75rem;
    border-radius: 1.5625rem;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-0.125rem);
    box-shadow: 0 .5rem 1.5625rem rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    border: .0625rem solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: .75rem 1.75rem;
    border-radius: 1.5625rem;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-0.125rem);
}

.btn-icon {
    font-size: 1.125rem;
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-icon {
    transform: translateX(.3125rem);
}

.btn-secondary:hover .btn-icon {
    transform: scale(1.2);
}

.banner-visual {
    flex: 0 0 21.875rem;
    height: 18.75rem;
    position: relative;
    animation: fadeInRight 1s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(3.125rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.visual-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.main-visual {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.proxy-node {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(.625rem);
    border: .0625rem solid rgba(255, 255, 255, 0.2);
    border-radius: .75rem;
    padding: .75rem 1rem;
    min-width: 7.5rem;
    transition: all 0.3s ease;
    animation: nodeFloat 6s ease-in-out infinite;
}

.proxy-node:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-0.1875rem);
    box-shadow: 0 .5rem 1.5625rem rgba(0, 0, 0, 0.15);
}

.node-1 {
    top: 1.25rem;
    left: 1.25rem;
    animation-delay: 0s;
}

.node-2 {
    top: 1.25rem;
    right: 1.25rem;
    animation-delay: -2s;
}

.node-3 {
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: -4s;
}

@keyframes nodeFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-0.9375rem);
    }
}

.node-content {
    display: flex;
    align-items: center;
    gap: .625rem;
}

.node-flag {
    font-size: 1rem;
}

.node-info {
    flex: 1;
}

.node-name {
    font-size: .75rem;
    font-weight: 600;
    color: white;
    margin-bottom: .125rem;
}

.node-status {
    font-size: .625rem;
    color: #4ade80;
    background: rgba(74, 222, 128, 0.2);
    padding: .125rem .375rem;
    border-radius: .5rem;
    display: inline-block;
}

.center-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    color: #409EFF;
    border-radius: 50%;
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 .5rem 2rem rgba(0, 0, 0, 0.1);
    animation: hubPulse 3s ease-in-out infinite;
}

@keyframes hubPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 1.25rem 2.5rem rgba(255, 215, 0, 0.3);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 1.5625rem 3.125rem rgba(255, 215, 0, 0.4);
    }
}

.hub-content {
    text-align: center;
}

.hub-icon {
    font-size: 1.25rem;
    margin-bottom: .25rem;
}

.hub-text {
    font-size: .625rem;
    font-weight: 600;
}

.connection-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    height: .0625rem;
    animation: lineFlow 3s ease-in-out infinite;
}

.line-1 {
    top: 50%;
    left: 8.75rem;
    width: 4.375rem;
    transform: rotate(-45deg);
    transform-origin: left center;
}

.line-2 {
    top: 50%;
    right: 8.75rem;
    width: 4.375rem;
    transform: rotate(45deg);
    transform-origin: right center;
}

.line-3 {
    bottom: 5rem;
    left: 50%;
    width: 3.75rem;
    transform: translateX(-50%) rotate(90deg);
}

@keyframes lineFlow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1) rotate(var(--rotation, 0deg));
    }
    50% {
        opacity: 1;
        transform: scale(1.1) rotate(var(--rotation, 0deg));
    }
}

/* 产品类型 */
.products {
    padding: 3.75rem 0;
    background: #f8f9fa;
}

.products .container {
    max-width: 87.5rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.75rem;
}

.section-header h2 {
    font-size: 2.25rem;
    color: #333;
    margin-bottom: .9375rem;
}

.section-header p {
    font-size: 1.125rem;
    color: #666;
}



.product-cards {
    display: flex !important;
    flex-direction: row !important;
    justify-content: center;
    gap: .625rem;
    flex-wrap: nowrap !important;
    align-items: stretch;
    width: 100%;
    max-width: 75rem;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: .9375rem;
    padding: 1.875rem 1.5625rem;
    text-align: center;
    box-shadow: 0 .25rem .9375rem rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    flex: 1;
    max-width: 16.875rem;
    min-width: 15rem;
    width: calc(25% - .625rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-card:hover {
    transform: translateY(-0.625rem);
    box-shadow: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.15);
}

.product-card.popular {
    border: .125rem solid #409EFF;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: .5rem;
    right: -1.5625rem;
    background: linear-gradient(135deg, #409EFF 0%, #1890ff 100%);
    color: white;
    padding: .375rem 2.1875rem;
    font-size: .6875rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 .125rem .5rem rgba(64, 158, 255, 0.3);
    letter-spacing: .0313rem;
}

.card-header {
    flex-shrink: 0;
}

.card-header h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1.25rem;
}

.price {
    margin-bottom: 1.875rem;
}

.currency {
    font-size: 1.25rem;
    color: #409EFF;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: bold;
    color: #409EFF;
}

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

.card-features {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.card-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.card-features li {
    padding: .625rem 0;
    color: #666;
    border-bottom: .0625rem solid #eee;
}

.card-features li:last-child {
    border-bottom: none;
}

.btn-buy {
    background: #409EFF;
    color: white;
    border: none;
    padding: .9375rem 2.5rem;
    border-radius: 1.875rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    flex-shrink: 0;
    margin-top: auto;
}

.btn-buy:hover {
    background: #337ecc;
    transform: translateY(-0.125rem);
}

/* 企业专享卡片样式 */
.product-card.enterprise {
    /* border: .125rem solid #6c5ce7; */
    /* background: linear-gradient(135deg, #f8f7ff 0%, #e8e4ff 20%, #ffffff 100%); */
    position: relative;
}

.product-card.enterprise:hover {
    transform: translateY(-0.625rem);
    /* box-shadow: 0 1.5625rem 3.125rem rgba(108, 92, 231, 0.25); */
}

.enterprise-badge {
    position: absolute;
    top: .9375rem;
    right: -1.8125rem;
    background: linear-gradient(135deg, #409EFF 0%, #1890ff 100%);
    /* background: linear-gradient(135deg, #6c5ce7 0%, #5a4fcf 100%); */
    color: white;
    padding: .375rem 2.1875rem;
    font-size: .6875rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 .125rem .5rem rgba(108, 92, 231, 0.4);
    letter-spacing: .0313rem;
}

.product-card.enterprise .card-header h3 {
    color: #409EFF;
    font-weight: 700;
}

.product-card.enterprise .currency {
    color: #409EFF;
    font-size: 1.25rem;
    font-weight: 600;
}

.product-card.enterprise .amount {
    color: #409EFF;
    font-size: 3rem;
    font-weight: 700;
}

.product-card.enterprise .period {
    color: #409EFF;
    font-weight: 600;
}




/* 强制保持水平布局 - 最小宽度以上都显示四个一行 */
@media (min-width: 62.5rem) {
    .product-cards {
        gap: .9375rem;
        justify-content: center;
    }

    .product-card {
        flex: 1;
        max-width: 17.5rem;
        min-width: 15.625rem;
    }
}

/* 中等屏幕 - 仍然保持四个一行但缩小 */
@media (min-width: 50rem) and (max-width: 62.4375rem) {
    .product-cards {
        gap: .5rem;
        justify-content: center;
    }

    .product-card {
        flex: 1;
        max-width: 13.75rem;
        min-width: 11.25rem;
    }

    .card-header h3 {
        font-size: 1.125rem !important;
    }

    .amount {
        font-size: 2.25rem !important;
    }

    /* 确保企业卡片在中等屏幕也保持一致 */
    .product-card.enterprise .amount {
        font-size: 2.25rem !important;
    }
}

/* 使用场景 */
.scenarios {
    padding: 6.25rem 0;
    background: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(21.875rem, 1fr));
    gap: 2.5rem;
}

.scenario-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.875rem;
    background: #ecf2ff;
    border-radius: .9375rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.scenario-item:hover {
    transform: translateY(-0.3125rem);
    box-shadow: 0 .625rem 1.5625rem rgba(64, 158, 255, 0.2);
}

.scenario-icon {
    font-size: 2.25rem;
    flex-shrink: 0;
}

.scenario-item h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: .625rem;
}

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

/* 常见问题 */
.faq {
    padding: 3.75rem 0;
    background: #f8f9fa;
}

.faq-list {
    max-width: 50rem;
    margin: 0 auto;
    display: grid;
    gap: 1.25rem;
}

.faq-item {
    background: white;
    border-radius: .75rem;
    box-shadow: 0 .125rem .625rem rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    margin-bottom: .9375rem;
}

.faq-item:hover {
    box-shadow: 0 .25rem 1.25rem rgba(0, 0, 0, 0.12);
    transform: translateY(-0.125rem);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5625rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

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

.faq-question h3 {
    font-size: 1rem;
    color: #333;
    font-weight: 600;
    margin: 0;
    line-height: 1.5;
}

.faq-toggle {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: #409EFF;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    /* 移除旋转效果，保持横线状态 */
}

.faq-answer {
    display: none;
    padding: 0 1.5625rem 1.25rem;
    color: #666;
    line-height: 1.6;
    background: white;
    animation: fadeIn 0.3s ease;
    font-size: .875rem;
}

.faq-item.active .faq-answer {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-0.625rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 1.875rem 0 .625rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 3.75rem;
    margin-bottom: 1.5625rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    color: #409EFF;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: .625rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #409EFF;
    margin-bottom: 1.25rem;
}

.footer-logo img {
    height: 2.5rem;
}

.footer-section p {
    color: #999;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}



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

.footer-section li {
    margin-bottom: .625rem;
}

.footer-section a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #409EFF;
}

.footer-bottom {
    border-top: .0625rem solid #444;
    padding-top: 1.25rem;
    text-align: center;
    color: #999;
}

/* 手机设备 - 单列布局 */
@media (max-width: 37.5rem) {
    .banner {
        padding: 5rem 0;
        min-height: 90vh;
    }

    .banner-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    text-align: center;
    }

    .banner-title {
        font-size: 2.25rem;
    }

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

    .banner-stats {
        gap: 1.25rem;
        margin-bottom: 2.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .banner-buttons {
    justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: .9375rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 80%;
        max-width: 18.75rem;
    justify-content: center;
    }

    .banner-visual {
        height: 18.75rem;
        order: -1;
    }

    .proxy-node {
        width: 7.5rem;
        padding: .9375rem;
    }

    .node-name {
        font-size: .75rem;
    }

    .node-flag {
        font-size: 1.25rem;
    }

    .center-hub {
        width: 5rem;
        height: 5rem;
    }

    .hub-icon {
        font-size: 1.5rem;
    }

    .hub-text {
        font-size: .625rem;
    }

    .node-1 {
        top: 10%;
        left: 10%;
    }

    .node-2 {
        top: 10%;
        right: 10%;
    }

    .node-3 {
        bottom: 10%;
        left: 50%;
        transform: translateX(-50%);
    }

    .connection-line {
        width: 3.75rem;
    }

    .bg-circle {
        display: none;
    }
    }

    .product-cards {
        flex-direction: row !important;
        align-items: center;
        gap: 1.25rem;
        flex-wrap: nowrap !important;
    }

    .product-card {
        flex: 0 0 auto;
        max-width: 21.875rem;
        width: 100%;
        min-width: auto;
    }

    .product-card.enterprise .currency {
        font-size: 1.25rem;
    }

    .product-card.enterprise .amount {
        font-size: 3rem;
    }

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

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



    .header-container {
        height: 3.75rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .products, .scenarios, .faq {
        padding: 3.75rem 0;
    }


/* 加载动画 */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* 滚动条样式 */


/* 右下角联系方式 */
.contact-float {
    position: fixed;
    bottom: 1.875rem;
    right: 1.875rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: .9375rem;
}

.contact-item {
    width: 3.75rem;
    height: 3.75rem;
    background: #409EFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 .25rem .9375rem rgba(64, 158, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.contact-item:nth-child(1) {
    background: #07c160;
    box-shadow: 0 .25rem .9375rem rgba(7, 193, 96, 0.3);
}

.contact-item:nth-child(2) {
    background: #1296db;
    box-shadow: 0 .25rem .9375rem rgba(18, 150, 219, 0.3);
}

.contact-item:hover {
    transform: translateY(-0.3125rem) scale(1.1);
    box-shadow: 0 .5rem 1.5625rem rgba(64, 158, 255, 0.4);
}

.contact-item:nth-child(1):hover {
    box-shadow: 0 .5rem 1.5625rem rgba(7, 193, 96, 0.4);
}

.contact-item:nth-child(2):hover {
    box-shadow: 0 .5rem 1.5625rem rgba(18, 150, 219, 0.4);
}

.contact-item img {
    width: 2rem;
    height: 2rem;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.contact-item:hover img {
    transform: scale(1.1);
}

.contact-tooltip {
    position: absolute;
    right: 4.375rem;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: .5rem .9375rem;
    border-radius: 1.25rem;
    font-size: .875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.contact-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: .375rem solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
}

.contact-item:hover .contact-tooltip {
    opacity: 1;
    visibility: visible;
    right: 4.6875rem;
}

@media (max-width: 48rem) {
    .contact-float {
        bottom: 1.25rem;
        right: 1.25rem;
        gap: .625rem;
    }

    .contact-item {
        width: 3.125rem;
        height: 3.125rem;
    }

    .contact-item img {
        width: 1.625rem;
        height: 1.625rem;
    }

    .contact-tooltip {
        display: none;
    }
}

/* 联系方式弹框 */
.contact-modal {
        display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    backdrop-filter: blur(.3125rem);
}

.contact-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    border-radius: .9375rem;
    padding: 1.875rem;
    max-width: 25rem;
    width: 90%;
    box-shadow: 0 1.25rem 3.75rem rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
    transition: transform 0.3s ease;
    position: relative;
}

.contact-modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    text-align: center;
    margin-bottom: 1.5625rem;
}

.modal-header h3 {
    color: #333;
    font-size: 1.25rem;
    margin-bottom: .5rem;
}

.modal-header p {
    color: #666;
    font-size: .875rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: .625rem;
}

.contact-info-item {
    display: flex;
        align-items: center;
    gap: .9375rem;
    padding: 1.25rem;
    background: #f8f9fa;
    border-radius: .75rem;
    border: .0625rem solid #e9ecef;
    transition: all 0.3s ease;
    cursor: pointer;
    justify-content: flex-start;
    min-height: 3.75rem;
}

.contact-info-item:hover {
    background: #e9ecef;
    border-color: #409EFF;
}

.contact-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
        align-items: center;
    justify-content: center;
    background: #409EFF;
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-icon img {
    width: 1.25rem;
    height: 1.25rem;
    filter: brightness(0) invert(1);
}

.contact-details h4 {
    color: #333;
    font-size: 1rem;
    margin-bottom: .3125rem;
}

.contact-details p {
    color: #666;
    font-size: .875rem;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.modal-close {
    position: absolute;
    top: .9375rem;
    right: .9375rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    width: 1.875rem;
    height: 1.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #333;
}

/* ================================================== */
/* 响应式布局优化 - 针对1024px分辨率及其他断点 */
/* ================================================== */

/* 超大屏幕 (1400px 及以上) - 宽屏优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
        padding: 0 30px;
    }

    .header-container {
        max-width: 1320px;
        padding: 0 30px;
    }

    .banner-title {
        font-size: 4rem;
    }

    .banner-subtitle {
        font-size: 1.4rem;
    }

    .products .container {
        max-width: 1320px;
        padding: 0 30px;
    }

    .product-cards {
        gap: 2.5rem;
        justify-content: center;
        max-width: 100%;
        margin: 0 auto;
    }

    .product-card {
        padding: 2.5rem;
        max-width: 18.75rem;
        flex: 1;
    }

    .scenarios-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

/* 大屏幕 (1200px - 1399px) - 标准桌面 */
@media (min-width: 1200px) and (max-width: 1399px) {
    .container {
        max-width: 1140px;
        padding: 0 25px;
    }

    .header-container {
        max-width: 1140px;
        padding: 0 25px;
    }

    .banner-title {
        font-size: 3.5rem;
    }

    .banner-subtitle {
        font-size: 1.3rem;
    }

    .products .container {
        max-width: 1140px;
        padding: 0 25px;
    }

    .product-cards {
        gap: 2rem;
        justify-content: center;
        max-width: 100%;
        margin: 0 auto;
    }

    .product-card {
        max-width: 17.5rem;
        flex: 1;
    }
}

/* 中大屏幕 (1024px - 1199px) - 重点优化1024分辨率 */
@media (min-width: 1024px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
        padding: 0 20px;
    }

    .header-container {
        max-width: 960px;
        padding: 0 20px;
        height: 4rem;
    }

    .logo {
        gap: 0.5rem;
    }

    .logo img {
        height: 2.2rem;
    }

    .logo span {
        font-size: 1.3rem;
    }

    .nav-menu ul {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.9rem;
        padding: 0.5rem 0;
    }

    .header-actions {
        gap: 0.8rem;
    }

    .btn-login, .btn-register {
        padding: 0.6rem 1.1rem;
        font-size: 0.85rem;
    }

    /* Banner区域 1024px 优化 */
    .banner {
        padding: 3rem 0;
    }

    .banner-container {
        gap: 2.5rem;
        flex-direction: row;
        align-items: center;
    }

    .banner-content {
        flex: 1;
        max-width: 28rem;
    }

    .banner-badge {
        font-size: 0.75rem;
        padding: 0.3rem 0.8rem;
        margin-bottom: 1rem;
    }

    .banner-title {
        font-size: 2.8rem;
        line-height: 1.1;
        margin-bottom: 0.8rem;
    }

    .banner-subtitle {
        font-size: 1rem;
        margin-bottom: 1.3rem;
    }

    .banner-stats {
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .banner-buttons {
        gap: 0.8rem;
    }

    .btn-primary, .btn-secondary {
        padding: 0.7rem 1.5rem;
        font-size: 0.85rem;
    }

    .banner-visual {
        flex: 0 0 18rem;
        height: 16rem;
    }

    .main-visual {
        width: 18rem;
        height: 16rem;
    }

    .proxy-node {
        padding: 0.6rem 0.8rem;
        min-width: 6.5rem;
    }

    .node-flag {
        font-size: 0.9rem;
    }

    .node-name {
        font-size: 0.7rem;
    }

    .node-status {
        font-size: 0.6rem;
    }

    .center-hub {
        width: 4rem;
        height: 4rem;
    }

    .hub-icon {
        font-size: 1.1rem;
    }

    .hub-text {
        font-size: 0.55rem;
    }

    /* 产品卡片 1024px 优化 */
    .section-header h2 {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .products .container {
        max-width: 960px;
        padding: 0 20px;
    }

    .product-cards {
        gap: 1rem;
        justify-content: center;
        flex-wrap: nowrap;
        max-width: 100%;
        margin: 0 auto;
    }

    .product-card {
        padding: 1.5rem 1.2rem;
        max-width: 14.5rem;
        min-width: 13rem;
        flex: 1;
    }

    .card-header h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .price {
        margin-bottom: 1.5rem;
    }

    .currency {
        font-size: 1.1rem;
    }

    .amount {
        font-size: 2.5rem;
    }

    .period {
        font-size: 0.9rem;
    }

    .card-features ul {
        margin-bottom: 2rem;
    }

    .card-features li {
        padding: 0.5rem 0;
        font-size: 0.85rem;
    }

    .btn-buy {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }

    /* 企业版特殊处理 */
    .product-card.enterprise .amount {
        font-size: 2.2rem;
    }

    .popular-badge, .enterprise-badge {
        font-size: 0.6rem;
        padding: 0.3rem 2rem;
    }

    /* 使用场景 1024px 优化 */
    .scenarios {
        padding: 4rem 0;
    }

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

    .scenario-item {
        padding: 1.5rem;
        gap: 1rem;
    }

    .scenario-icon {
        font-size: 2rem;
        width: 3rem;
        height: 3rem;
    }

    .scenario-item h3 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }

    .scenario-item p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* FAQ 1024px 优化 */
    .faq {
        padding: 4rem 0;
    }

    .faq-item {
        padding: 1.2rem;
    }

    .faq-question h3 {
        font-size: 1.1rem;
    }

    .faq-answer p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* Footer 1024px 优化 */
    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }

    .footer-section ul li a {
        font-size: 0.85rem;
    }

    /* 联系浮标 1024px 优化 */
    .contact-float {
        bottom: 25px;
        right: 25px;
        gap: 12px;
    }

    .contact-item {
        width: 55px;
        height: 55px;
    }

    .contact-item img {
        width: 28px;
        height: 28px;
    }

    .contact-tooltip {
        font-size: 13px;
        padding: 6px 12px;
    }
}

/* 中等屏幕 (768px - 1023px) - 平板设备 */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 720px;
        padding: 0 15px;
    }

    .header-container {
        padding: 0 15px;
        height: 3.8rem;
    }

    .logo span {
        font-size: 1.2rem;
    }

    .nav-menu ul {
        gap: 1.2rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .btn-login, .btn-register {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    /* Banner平板优化 */
    .banner-container {
        flex-direction: column;
        text-align: center;
        gap: 2.5rem;
        padding: 2.5rem 0;
    }

    .banner-content {
        max-width: 100%;
    }

    .banner-title {
        font-size: 2.3rem;
        line-height: 1.2;
    }

    .banner-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .banner-stats {
        justify-content: center;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .banner-buttons {
        justify-content: center;
        gap: 1rem;
    }

    .banner-visual {
        max-width: 500px;
        height: 14rem;
        margin: 0 auto;
    }

    .main-visual {
        width: 500px;
        height: 14rem;
    }

    /* 产品卡片平板优化 */
    .product-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
        display: grid !important;
        flex-direction: initial !important;
        justify-content: center;
        justify-items: center;
        max-width: 100%;
        margin: 0 auto;
    }

    .product-card {
        max-width: none;
        min-width: auto;
        width: 100%;
        max-width: 320px;
    }

    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* 小屏幕 (576px - 767px) - 大手机横屏 */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }

    .header {
        padding: 0.6rem 0;
    }

    .header-container {
        padding: 0 10px;
        height: 3.5rem;
    }

    .logo img {
        height: 2rem;
    }

    .logo span {
        font-size: 1.1rem;
    }

    .nav-menu ul {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
    }

    .btn-login, .btn-register {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    /* Banner小屏优化 */
    .banner {
        padding: 2rem 0;
    }

    .banner-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .banner-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .banner-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .banner-stats {
        justify-content: center;
        gap: 1rem;
        margin-bottom: 1.5rem;
        flex-wrap: wrap;
    }

    .stat-item {
        min-width: 100px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .banner-buttons {
        justify-content: center;
        gap: 0.8rem;
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 200px;
        padding: 0.7rem 1.2rem;
        font-size: 0.8rem;
    }

    .banner-visual {
        max-width: 350px;
        height: 12rem;
        margin: 0 auto;
    }

    .main-visual {
        width: 350px;
        height: 12rem;
    }

    /* 产品卡片小屏优化 */
    .section-header h2 {
        font-size: 1.6rem;
    }

    .section-header p {
        font-size: 0.9rem;
    }

    .product-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        display: grid !important;
        flex-direction: initial !important;
    }

    .product-card {
        padding: 1.3rem;
        max-width: none;
        width: 100%;
    }

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

    .scenario-item {
        padding: 1.2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
}

/* 极小屏幕 (最大 575px) - 手机竖屏 */
@media (max-width: 575px) {
    .container {
        padding: 0 10px;
    }

    /* 顶部广告手机优化 */
    .top-ads {
        padding: 6px 0;
    }

    .ads-content {
        flex-direction: column;
        gap: 6px;
        padding: 0 10px;
    }

    .ads-text {
        font-size: 11px;
        text-align: center;
    }

    .ads-btn {
        padding: 4px 8px;
        font-size: 10px;
    }

    /* 头部导航手机优化 */
    .header {
        padding: 0.5rem 0;
    }

    .header-container {
        padding: 0 10px;
        flex-wrap: wrap;
        gap: 0.5rem;
        height: auto;
        min-height: 3rem;
    }

    .logo {
        gap: 0.3rem;
    }

    .logo img {
        height: 1.8rem;
    }

    .logo span {
        font-size: 1rem;
    }

    .nav-menu {
        order: 3;
        width: 100%;
    }

    .nav-menu ul {
        justify-content: center;
        gap: 0.6rem;
        flex-wrap: wrap;
    }

    .nav-link {
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
    }

    .header-actions {
        gap: 0.3rem;
    }

    .btn-login, .btn-register {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }

    /* Banner手机优化 */
    .banner {
        padding: 1.5rem 0;
    }

    .banner-container {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .banner-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }

    .banner-title {
        font-size: 1.4rem;
        line-height: 1.2;
        margin-bottom: 0.6rem;
    }

    .banner-subtitle {
        font-size: 0.8rem;
        margin-bottom: 1rem;
        line-height: 1.4;
    }

    .banner-stats {
        justify-content: center;
        gap: 0.6rem;
        margin-bottom: 1rem;
        flex-wrap: wrap;
    }

    .stat-item {
        min-width: 80px;
        padding: 0.3rem;
    }

    .stat-number {
        font-size: 1.1rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .banner-buttons {
        justify-content: center;
        gap: 0.5rem;
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
        width: 100%;
        max-width: 160px;
    }

    /* 节点可视化手机优化 */
    .banner-visual {
        max-width: 250px;
        height: 10rem;
        margin: 0 auto;
    }

    .main-visual {
        width: 250px;
        height: 10rem;
    }

    .proxy-node {
        width: 50px;
        height: 50px;
        padding: 0.4rem;
    }

    .node-flag {
        font-size: 16px;
    }

    .node-name {
        font-size: 8px;
    }

    .node-status {
        font-size: 6px;
    }

    .center-hub {
        width: 60px;
        height: 60px;
    }

    .hub-icon {
        font-size: 18px;
    }

    .hub-text {
        font-size: 8px;
    }

    /* 产品卡片手机优化 */
    .section-header h2 {
        font-size: 1.3rem;
        margin-bottom: 0.4rem;
    }

    .section-header p {
        font-size: 0.8rem;
    }

    .product-cards {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        display: grid !important;
        flex-direction: initial !important;
    }

    .product-card {
        padding: 1rem;
        margin: 0;
        max-width: none;
        width: 100%;
    }

    .card-header h3 {
        font-size: 1.1rem;
    }

    .price {
        margin: 0.6rem 0;
    }

    .amount {
        font-size: 1.8rem;
    }

    .period {
        font-size: 0.75rem;
    }

    .card-features ul {
        margin-bottom: 1.5rem;
    }

    .card-features li {
        font-size: 0.75rem;
        padding: 0.4rem 0;
    }

    .btn-buy {
        padding: 0.6rem 0.8rem;
        font-size: 0.75rem;
    }

    /* 使用场景手机优化 */
    .scenarios {
        padding: 3rem 0;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .scenario-item {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }

    .scenario-icon {
        font-size: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        margin: 0 auto;
    }

    .scenario-item h3 {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }

    .scenario-item p {
        font-size: 0.75rem;
        line-height: 1.3;
    }

    /* FAQ手机优化 */
    .faq {
        padding: 3rem 0;
    }

    .faq-item {
        padding: 0.8rem;
    }

    .faq-question h3 {
        font-size: 0.85rem;
    }

    .faq-answer p {
        font-size: 0.75rem;
        line-height: 1.3;
    }

    /* Footer手机优化 */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }

    .footer-logo span {
        font-size: 1rem;
    }

    .footer-section h4 {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .footer-section ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.3rem 0.6rem;
    }

    .footer-section ul li a {
        font-size: 0.75rem;
    }

    .footer-bottom {
        padding-top: 1rem;
        text-align: center;
    }

    .footer-bottom p {
        font-size: 0.65rem;
        margin-bottom: 0.1rem;
    }

    /* 联系浮标手机优化 */
    .contact-float {
        bottom: 10px;
        right: 10px;
        gap: 6px;
    }

    .contact-item {
        width: 40px;
        height: 40px;
    }

    .contact-item img {
        width: 20px;
        height: 20px;
    }

    .contact-tooltip {
        display: none;
    }

    /* 弹框手机优化 */
    .modal-content {
        padding: 15px;
        margin: 10px;
    }

    .modal-header h3 {
        font-size: 16px;
    }

    .modal-header p {
        font-size: 12px;
    }

    .contact-info-item {
        padding: 12px;
        gap: 10px;
    }

    .contact-icon {
        width: 30px;
        height: 30px;
    }

    .contact-icon img {
        width: 15px;
        height: 15px;
    }

    .contact-details h4 {
        font-size: 13px;
    }

    .contact-details p {
        font-size: 12px;
    }
}

/* 横屏模式优化 (高度较小的设备) */
@media (max-height: 600px) and (orientation: landscape) {
    .banner {
        padding: 1rem 0;
    }

    .banner-container {
        gap: 1rem;
    }

    .banner-title {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }

    .banner-subtitle {
        font-size: 0.8rem;
        margin-bottom: 0.8rem;
    }

    .banner-stats {
        margin-bottom: 0.8rem;
    }

    .banner-visual {
        max-width: 180px;
        height: 8rem;
    }

    .main-visual {
        width: 180px;
        height: 8rem;
    }

    .section-header {
        margin-bottom: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.3rem;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .banner {
        background: linear-gradient(135deg, #000080 0%, #000040 100%);
    }

    .btn-primary {
        background: rgba(255, 255, 255, 0.9);
        color: #000080;
        border-color: #000080;
    }

    .btn-secondary {
        background: transparent;
        border-color: #ffffff;
        color: #ffffff;
    }

    .product-card {
        border: 2px solid #333;
    }

    .scenario-item {
        border: 2px solid #333;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .banner-bg-elements {
        display: none;
    }

    .proxy-node, .center-hub {
        animation: none;
    }

    .connection-line {
        animation: none;
    }

    .ads-icon {
        animation: none;
    }
}