/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: #1a73e8;
}

.nav-brand i {
    margin-right: 10px;
    font-size: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1a73e8;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #1a73e8;
    color: #fff;
}

.btn-primary:hover {
    background: #1557b0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

.btn-outline {
    background: transparent;
    color: #1a73e8;
    border: 2px solid #1a73e8;
}

.btn-outline:hover {
    background: #1a73e8;
    color: #fff;
}

/* 首页横幅 */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #4a90e2 100%);
    color: #fff;
    padding: 80px 0;
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 15px;
}

.hero-desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-icon {
    font-size: 200px;
    opacity: 0.2;
}

/* 快捷入口 */
.quick-entry {
    padding: 60px 0;
    background: #fff;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.quick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.quick-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.quick-icon {
    width: 80px !important;
    height: 80px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 36px;
    margin-bottom: 15px;
    flex-shrink: 0;
    aspect-ratio: 1 / 1 !important;
    min-width: 80px !important;
    max-width: 80px !important;
    min-height: 80px !important;
    max-height: 80px !important;
    padding: 0 !important;
}

.quick-icon i {
    font-size: 36px !important;
    line-height: 1 !important;
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.quick-icon.emergency {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: #fff;
}

.quick-icon.analysis {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: #fff;
}

.quick-icon.training {
    background: linear-gradient(135deg, #a8e6cf, #88d8b0);
    color: #fff;
}

.quick-icon.contact {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: #fff;
}

.quick-item span {
    font-size: 18px;
    font-weight: 500;
}

/* 服务项目 */
.services {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

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

.service-card {
    display: flex;
    align-items: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-right: 20px;
    flex-shrink: 0;
}

.service-icon.emergency {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: #fff;
}

.service-icon.analysis {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: #fff;
}

.service-icon.threat {
    background: linear-gradient(135deg, #e056fd, #be2edd);
    color: #fff;
}

.service-icon.training {
    background: linear-gradient(135deg, #a8e6cf, #88d8b0);
    color: #fff;
}

.service-icon.testing {
    background: linear-gradient(135deg, #ffd93d, #f9c74f);
    color: #fff;
}

.service-icon.apptest {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: #fff;
}

.service-icon.consult {
    background: linear-gradient(135deg, #fd79a8, #e84393);
    color: #fff;
}

.service-icon.promotion {
    background: linear-gradient(135deg, #fdcb6e, #f39c12);
    color: #fff;
}

.service-icon.cooperation {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: #fff;
}

.service-content {
    flex: 1;
}

.service-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.service-content p {
    color: #666;
    font-size: 14px;
}

.service-arrow {
    font-size: 20px;
    color: #ccc;
    transition: transform 0.3s;
}

.service-card:hover .service-arrow {
    transform: translateX(5px);
    color: #1a73e8;
}

/* 安全提示 */
.security-tip {
    padding: 60px 0;
    background: #fff;
}

.tip-card {
    display: flex;
    align-items: center;
    padding: 30px;
    background: linear-gradient(135deg, #fff9e6, #fff3cd);
    border-radius: 10px;
    border-left: 5px solid #ffd93d;
}

.tip-icon {
    font-size: 48px;
    color: #ffd93d;
    margin-right: 20px;
}

.tip-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.tip-content p {
    color: #666;
    font-size: 16px;
}

/* 热门服务 */
.hot-services {
    padding: 80px 0;
}

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

.hot-card {
    position: relative;
    padding: 40px;
    background: #fff;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.hot-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.hot-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #ff6b6b;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.hot-badge.recommend {
    background: #4ecdc4;
}

.hot-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.hot-card p {
    color: #666;
    font-size: 16px;
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #666;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 10px;
}

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

/* 联系我们 */
.contact {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.contact-item {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 10px;
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 36px;
    color: #1a73e8;
    margin-bottom: 20px;
}

.contact-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-item p {
    color: #666;
    font-size: 16px;
}

/* 页脚 */
.footer {
    background: #333;
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

.footer p {
    margin: 5px 0;
}

.footer .icp-info {
    margin-top: 10px;
}

.footer .icp-info a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer .icp-info a:hover {
    color: #1a73e8;
}

/* 强制圆形图标 - 解决联系我们图标问题 */
.quick-icon.icon-circle-fix,
.quick-icon.contact.icon-circle-fix {
    width: 80px !important;
    height: 80px !important;
    border-radius: 50% !important;
    min-width: 80px !important;
    max-width: 80px !important;
    min-height: 80px !important;
    max-height: 80px !important;
    padding: 0 !important;
    margin: 0 0 15px 0 !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    flex-basis: 80px !important;
    overflow: hidden !important;
    aspect-ratio: 1 / 1 !important;
}

.quick-icon.icon-circle-fix i,
.quick-icon.contact.icon-circle-fix i {
    font-size: 36px !important;
    line-height: 1 !important;
    width: 36px !important;
    height: 36px !important;
    display: inline-block !important;
    text-align: center !important;
    vertical-align: middle !important;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-icon {
        display: none;
    }

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

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

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

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

@media (max-width: 480px) {
    .quick-grid {
        grid-template-columns: 1fr;
    }

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