/* ===================================
   测试1 网站样式表 - style.css
   用途：全站公共样式及首页定制
   适配：移动优先，响应式设计
   版本：已更新英雄区居中
   =================================== */

/* ----- 自定义属性（设计变量）----- */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --secondary: #f57c00;
    --secondary-light: #fff3e0;
    --text: #1f2937;
    --text-light: #4b5563;
    --text-muted: #6b7280;
    --bg: #f8fafc;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
    --container-width: 1200px;
    --header-height: 70px;
}

/* ----- 基础重置与排版 ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
    padding: 0;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用标题区 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* 按钮通用样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.8);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: white;
    color: white;
    transform: translateY(-1px);
}
.btn-card {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: transparent;
    margin-top: 16px;
}
.btn-card:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}
.btn-card-secondary {
    background: var(--secondary-light);
    color: var(--secondary);
}
.btn-card-secondary:hover {
    background: var(--secondary);
    color: white;
}

/* ----- 头部导航 ----- */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
}
.logo i {
    font-size: 1.8rem;
}
.logo-text {
    color: var(--text);
}
.logo-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 4px;
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}
.nav-links a {
    padding: 8px 16px;
    border-radius: 30px;
    color: var(--text);
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}
.nav-links a:hover {
    background: #f3f4f6;
    color: var(--primary);
}
.nav-active {
    background: var(--primary-light) !important;
    color: var(--primary-dark) !important;
}

/* 移动菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
}

/* 移动下拉导航 */
.mobile-nav {
    display: none;
    flex-direction: column;
    background: white;
    border-top: 1px solid var(--border);
    padding: 10px 0;
}
.mobile-nav a {
    padding: 12px 20px;
    display: block;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid #f3f4f6;
}
.mobile-nav a:last-child {
    border-bottom: none;
}
.mobile-nav.open {
    display: flex;
}

/* ----- 英雄视觉区 ----- */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 80px 0 80px;
    overflow: hidden;
}
.hero-bg-decor {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    pointer-events: none;
}
.hero-bg-decor::after {
    content: "";
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
    /* 英雄区内容整体居中 */
    text-align: center;
    margin: 0 auto;
}
.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}
.hero-brand {
    display: block;
    font-size: 3.2rem;
    letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.95;
    display: block;
}
.hero-desc {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
    /* 描述文字居中且限制宽度时保证居中 */
    margin-left: auto;
    margin-right: auto;
}
.hero-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}
.hero-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: var(--primary-dark) !important;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition);
}
.hero-phone:hover {
    transform: scale(1.03);
    color: var(--primary-dark) !important;
}
.hero-wechat {
    font-size: 1rem;
    background: rgba(255,255,255,0.15);
    padding: 10px 18px;
    border-radius: 50px;
    font-weight: 500;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 30px;
    justify-content: center;
}
.badge-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: 50px;
    backdrop-filter: blur(5px);
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ----- 服务卡片区 ----- */
.services-section {
    padding: 70px 0;
    background: var(--white);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 24px;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-card-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    /* 让图标在卡片中也居中（如果卡片有文本对齐） */
    align-self: flex-start;
}
.service-card-primary .service-card-icon {
    background: var(--primary-light);
    color: var(--primary);
}
.service-card-secondary .service-card-icon {
    background: var(--secondary-light);
    color: var(--secondary);
}
.service-card-title {
    font-size: 1.6rem;
    font-weight: 700;
}
.service-card-desc {
    color: var(--text-light);
    line-height: 1.5;
}
.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}
.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.98rem;
    color: var(--text);
}
.service-list li i {
    color: var(--primary);
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}
.service-card-secondary .service-list li i {
    color: var(--secondary);
}

/* ----- 城区选择区 ----- */
.areas-section {
    padding: 70px 0;
    background: var(--bg);
}
.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}
.area-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.area-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.area-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text);
}
.area-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.area-link {
    display: block;
    padding: 8px 10px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.9rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    transition: all var(--transition);
}
.area-link:hover {
    background: var(--primary);
    color: white;
}
.area-link-alt {
    background: var(--secondary-light);
    color: var(--secondary);
}
.area-link-alt:hover {
    background: var(--secondary);
    color: white;
}

/* ----- 联系行为区 ----- */
.cta-section {
    padding: 60px 0;
}
.cta-card {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid #c8d9f5;
}
.cta-card h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--text);
}
.cta-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
}
.cta-contact-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}
.cta-phone-btn {
    background: var(--primary);
    color: white !important;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.3rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.cta-phone-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}
.cta-wechat-tag {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    background: white;
    padding: 14px 24px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
}
.cta-license {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ----- 页脚 ----- */
.footer {
    background: #1e293b;
    color: #cbd5e1;
    padding: 60px 0 20px;
    margin-top: 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}
.footer-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}
.footer-about-text {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}
.footer-license {
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: #cbd5e1;
    font-size: 0.95rem;
    transition: color var(--transition);
}
.footer-links a:hover {
    color: white;
}
.footer-contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}
.footer-contact-info a {
    color: #90caf9;
}
.footer-contact-info i {
    width: 20px;
    color: var(--primary);
}
.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #94a3b8;
}
.footer-bottom a {
    color: #94a3b8;
    margin: 0 4px;
}
.footer-bottom a:hover {
    color: white;
}

/* ===================================
   响应式设计 (平板/手机)
   =================================== */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    .container {
        padding: 0 16px;
    }

    /* 导航移动适配 */
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }

    /* 英雄区 */
    .hero {
        padding: 50px 0 50px;
    }
    .hero-title {
        font-size: 2rem;
    }
    .hero-brand {
        font-size: 2.4rem;
    }
    .hero-subtitle {
        font-size: 1.2rem;
    }
    .hero-contact {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    .hero-phone {
        font-size: 1.2rem;
        padding: 12px 24px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* 服务卡片 */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* 城区网格 */
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    /* CTA */
    .cta-contact-row {
        flex-direction: column;
    }
    .cta-phone-btn {
        width: 100%;
        justify-content: center;
    }

    /* 页脚 */
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-partner {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 14px;
        flex-wrap: wrap;
        font-size: 0.85rem;
        color: #94a3b8;
    }
    .partner-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .partner-item a {
        color: #90caf9;
        font-weight: 500;
    }
    .partner-item a:hover {
        color: white;
    }
    .partner-item i {
        color: var(--primary);
        font-size: 0.8rem;
    }
}

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