/* 全局变量 */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #4285f4;
    --accent-color: #34a853;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #e0e0e0;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --header-height: 80px; /* 添加头部高度变量 */
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
}

.z494cecontainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 图标样式 */
[class^="z494ceicon-"]::before {
    font-family: "Arial", sans-serif;
    margin-right: 5px;
}

.z494ceicon-phone::before { content: "📞"; }
.z494ceicon-email::before { content: "✉️"; }
.z494ceicon-search::before { content: "🔍"; }
.z494ceicon-shield::before { content: "🛡️"; }
.z494ceicon-speed::before { content: "⚡"; }
.z494ceicon-globe::before { content: "🌍"; }
.z494ceicon-device::before { content: "📱"; }
.z494ceicon-gaming::before { content: "🎮"; }
.z494ceicon-video::before { content: "🎥"; }
.z494ceicon-business::before { content: "💼"; }
.z494ceicon-arrow::before { content: "→"; }
.z494ceicon-weixin::before { content: "💬"; }
.z494ceicon-qq::before { content: "💬"; }
.z494ceicon-weibo::before { content: "💬"; }
.z494ceicon-location::before { content: "📍"; }
.z494ceicon-check::before { content: "✓"; color: var(--accent-color); }

/* 顶部信息栏 */
.z494cetop-bar {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.z494cetop-bar .z494cecontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.z494cetop-bar-left {
    display: flex;
    gap: 20px;
}

.z494cecontact-info {
    display: flex;
    gap: 20px;
}

.z494cecontact-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.z494ceserver-status {
    display: flex;
    align-items: center;
    gap: 15px;
}

.z494ceserver-status span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 头部导航 */
.z494ceheader {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.z494ceheader-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.z494celogo {
    display: flex;
    align-items: center;
}

.z494celogo a {
    display: block;
}

.z494celogo img {
    max-height: 40px;
    width: auto;
    display: block;
}

.z494ceheader-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.z494cesearch-box {
    display: flex;
    gap: 10px;
}

.z494cesearch-box input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 300px;
    transition: var(--transition);
}

.z494cesearch-box input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

.z494cesearch-box button {
    padding: 8px 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.z494cesearch-box button:hover {
    background-color: var(--secondary-color);
}

/* 导航样式 */
.z494cemain-nav {
    border-top: 1px solid var(--border-color);
}

.z494cenav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.z494ceposition {
    color: #666;
    font-size: 14px;
}

.z494ceposition a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.z494ceposition a:hover {
    color: var(--secondary-color);
}

.z494cenav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
}

.z494cenav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
}

.z494cenav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.z494cenav-links a:hover {
    color: var(--primary-color);
}

.z494cenav-links a:hover::after {
    width: 100%;
}

/* 移动菜单按钮 */
.z494cemenu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 5px;
}

.z494cemenu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* 横幅区域 */
.z494cehero-banner {
    background: linear-gradient(135deg, #1a73e8 0%, #4285f4 50%, #34a853 100%);
    padding: 60px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.z494cehero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.z494cebanner-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.z494cebanner-text h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.z494cebanner-text p {
    font-size: 18px;
    margin-bottom: 30px;
    line-height: 1.6;
    opacity: 0.95;
}

.z494cebanner-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.z494cebtn-primary, .z494cebtn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    text-align: center;
    min-width: 140px;
}

.z494cebtn-primary {
    background-color: white;
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.z494cebtn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.z494cebtn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.z494cebtn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.z494cebanner-image {
    text-align: center;
    position: relative;
}

.z494cebanner-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.z494cebanner-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* 主要内容区 */
.z494cemain-content {
    padding: 40px 0;
}

/* 产品介绍 */
.z494ceproduct-intro {
    margin-bottom: 60px;
}

.z494cesection-header {
    text-align: center;
    margin-bottom: 40px;
}

.z494cesection-header h2 {
    font-size: 32px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.z494cesection-subtitle {
    color: #666;
    font-size: 16px;
}

.z494ceproduct-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.z494cefeature-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.z494cefeature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.z494cefeature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.z494cefeature-card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 20px;
}

.z494cefeature-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 使用场景 */
.z494ceuse-cases {
    margin-bottom: 60px;
}

.z494cecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.z494cecase-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.z494cecase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.z494cecase-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.z494cecase-card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 20px;
}

.z494cecase-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 套餐价格 */
.z494cepricing {
    margin-bottom: 60px;
}

.z494cepricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.z494cepricing-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
}

.z494cepricing-card.z494cefeatured {
    border: 2px solid var(--primary-color);
    transform: translateY(-5px);
}

.z494cepricing-card.z494cefeatured:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.z494cefeatured-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.z494ceprice-save {
    color: var(--accent-color);
    font-size: 14px;
    margin-top: 5px;
    font-weight: 500;
}

.z494cepricing-header {
    margin-bottom: 30px;
    position: relative;
}

.z494cepricing-header h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.z494ceprice {
    font-size: 36px;
    color: var(--primary-color);
    font-weight: bold;
    line-height: 1;
}

.z494ceprice span {
    font-size: 16px;
    color: #666;
    font-weight: normal;
}

.z494cepricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.z494cepricing-features li {
    margin-bottom: 12px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 8px;
}

.z494cepricing-features li i {
    font-size: 16px;
}

.z494cepricing-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    width: 100%;
    text-align: center;
}

.z494cepricing-button:hover {
    background-color: var(--secondary-color);
}

/* 用户评价 */
.z494cetestimonials {
    margin-bottom: 60px;
}

.z494cetestimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.z494cetestimonial-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.z494cetestimonial-content {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}

.z494cetestimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.z494ceauthor-info h4 {
    color: var(--text-color);
    margin-bottom: 5px;
}

.z494ceauthor-info span {
    color: #666;
    font-size: 14px;
}

.z494cerating {
    color: #ffc107;
    font-size: 18px;
}

/* 页脚 */
.z494cefooter {
    background-color: #333;
    color: white;
    padding: 60px 0 20px;
}

.z494cefooter-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.z494cefooter-section h4 {
    margin-bottom: 20px;
    font-size: 18px;
}

.z494cefooter-section p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.z494cefooter-section ul {
    list-style: none;
}

.z494cefooter-section ul li {
    margin-bottom: 10px;
}

.z494cefooter-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.z494cefooter-section a:hover {
    opacity: 1;
}

.z494cesocial-links {
    display: flex;
    gap: 15px;
}

.z494cesocial-link {
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.z494cesocial-link:hover {
    background-color: var(--primary-color);
}

.z494cefooter-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .z494cebanner-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .z494cebanner-text h1 {
        font-size: 36px;
    }

    .z494cebanner-text p {
        font-size: 16px;
    }

    .z494cebanner-buttons {
        justify-content: center;
    }
    .z494cesearch-box input {
        width: 200px;
    }

    .z494cenav-links {
        gap: 20px;
    }

    .z494cenav-links a {
        font-size: 15px;
    }

    .z494ceproduct-features,
    .z494cecases-grid,
    .z494cepricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z494cetestimonials-grid {
        grid-template-columns: 1fr;
    }

    .z494cesection-header h2 {
        font-size: 28px;
    }

    .z494cefooter-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 120px;
    }

    .z494cehero-banner {
        padding: 40px 0;
    }

    .z494cebanner-content {
        gap: 30px;
    }

    .z494cebanner-text h1 {
        font-size: 28px;
    }

    .z494cebanner-text p {
        font-size: 15px;
    }

    .z494cebtn-primary, .z494cebtn-secondary {
        padding: 12px 24px;
        font-size: 14px;
        min-width: 120px;
    }

    .z494ceheader-top {
        padding: 10px 0;
    }

    .z494cesearch-box {
        display: none;
    }

    .z494cemenu-toggle {
        display: flex;
    }

    .z494cemenu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .z494cemenu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .z494cemenu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .z494cemain-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(255, 255, 255, 0.98);
        z-index: 1000;
        padding: 80px 20px 20px;
        overflow-y: auto;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .z494cemain-nav.active {
        opacity: 1;
        visibility: visible;
    }

    .z494cenav-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .z494ceposition {
        width: 100%;
        text-align: center;
    }

    .z494cenav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .z494cenav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .z494cenav-links a {
        display: block;
        padding: 15px 20px;
        font-size: 16px;
    }

    .z494cenav-links a::after {
        display: none;
    }

    .z494cenav-links a:hover {
        background-color: var(--light-gray);
    }

    .z494cemain-content {
        padding: 30px 0;
    }

    .z494ceproduct-features,
    .z494cecases-grid,
    .z494cepricing-grid {
        grid-template-columns: 1fr;
    }

    .z494cefeature-card,
    .z494cecase-card,
    .z494cepricing-card {
        padding: 20px;
    }

    .z494cefeature-icon,
    .z494cecase-icon {
        font-size: 32px;
    }

    .z494cefeature-card h3,
    .z494cecase-card h3,
    .z494cepricing-header h3 {
        font-size: 18px;
    }

    .z494ceprice {
        font-size: 32px;
    }

    .z494cepricing-card.z494cefeatured {
        transform: none;
    }

    .z494cepricing-card.z494cefeatured:hover {
        transform: translateY(-5px);
    }

    .z494cefeatured-tag {
        font-size: 11px;
        padding: 3px 10px;
    }

    .z494cesection-header h2 {
        font-size: 24px;
    }

    .z494cesection-subtitle {
        font-size: 14px;
    }

    .z494cetop-bar {
        padding: 6px 0;
        font-size: 12px;
    }

    .z494cetop-bar-left {
        flex-direction: column;
        gap: 5px;
    }

    .z494cecontact-info {
        flex-direction: column;
        gap: 5px;
    }

    .z494ceserver-status {
        flex-wrap: wrap;
        gap: 8px;
    }

    .z494cefooter {
        padding: 40px 0 20px;
    }

    .z494cefooter-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .z494cefooter-section {
        text-align: center;
    }

    .z494cesocial-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .z494cehero-banner {
        padding: 30px 0;
    }

    .z494cebanner-text h1 {
        font-size: 24px;
    }

    .z494cebanner-text p {
        font-size: 14px;
    }

    .z494cebanner-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .z494cebtn-primary, .z494cebtn-secondary {
        width: 100%;
        max-width: 200px;
    }

    .z494ceheader-top {
        padding: 8px 0;
    }

    .z494celogo img {
        max-height: 32px;
    }

    .z494cemenu-toggle span {
        width: 20px;
    }

    .z494cemain-nav {
        padding: 70px 15px 15px;
    }

    .z494cenav-links a {
        padding: 12px 15px;
        font-size: 15px;
    }

    .z494cemain-content {
        padding: 20px 0;
    }

    .z494cesection-header {
        margin-bottom: 30px;
    }

    .z494cefeature-card,
    .z494cecase-card,
    .z494cepricing-card,
    .z494cetestimonial-card {
        padding: 15px;
    }

    .z494cefeature-icon,
    .z494cecase-icon {
        font-size: 28px;
    }

    .z494cefeature-card h3,
    .z494cecase-card h3,
    .z494cepricing-header h3 {
        font-size: 16px;
    }

    .z494ceprice {
        font-size: 28px;
    }

    .z494cepricing-button {
        padding: 8px 16px;
        font-size: 14px;
    }

    .z494cetestimonial-content {
        font-size: 14px;
    }

    .z494ceauthor-info h4 {
        font-size: 16px;
    }

    .z494ceauthor-info span {
        font-size: 12px;
    }

    .z494cerating {
        font-size: 16px;
    }

    .z494cetop-bar {
        padding: 5px 0;
        font-size: 11px;
    }

    .z494ceserver-status {
        gap: 5px;
    }

    .z494cefooter {
        padding: 30px 0 15px;
    }

    .z494cefooter-section h4 {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .z494cefooter-section p {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .z494cefooter-section ul li {
        margin-bottom: 8px;
    }

    .z494cefooter-section a {
        font-size: 14px;
    }

    .z494cesocial-link {
        width: 32px;
        height: 32px;
    }

    .z494cefooter-bottom {
        padding-top: 15px;
        font-size: 12px;
    }
}