/**
 * 亦庄维修网 - 主样式表
 * 文件名：style.css
 * 路径：/var/www/zmzk.org.cn/css/
 * 设计规范依据：主色调为科技蓝(#0066CC)、专业灰(#333333)和安全绿(#00AA44)；辅助色为橙色(#FF6600)
 * 字体：思源黑体 (Noto Sans SC) + Arial
 */

/* ============================================
   1. 基础重置与全局变量
   ============================================ */
:root {
    /* 主色调定义 - 严格遵循文档 */
    --color-primary: #0066CC;      /* 科技蓝 - 用于主要按钮、链接、重要标题 */
    --color-secondary: #333333;    /* 专业灰 - 用于正文、次要文字 */
    --color-success: #00AA44;      /* 安全绿 - 用于成功状态、确认、环保相关 */
    --color-warning: #FF6600;      /* 橙色   - 用于警告、促销、高亮按钮 */
    --color-info: #17a2b8;         /* Bootstrap Info 色，用于信息提示 */
    --color-danger: #dc3545;       /* Bootstrap Danger 色，用于错误 */
    --color-light: #f8f9fa;
    --color-dark: #343a40;
    --color-white: #fff;
    --color-black: #000;

    /* 字体定义 */
    --font-family-base: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-family-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* 圆角与阴影 */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);

    /* 间距与过渡 */
    --transition-base: all 0.3s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* 平滑滚动 */
    font-size: 16px;
}

body {
    font-family: var(--font-family-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-secondary);
    background-color: #ffffff;
    overflow-x: hidden; /* 防止横向滚动条 */
}

/* 确保思源黑体在所有元素上生效 */
h1, h2, h3, h4, h5, h6,
.navbar-brand, .btn, .lead, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
}

/* 链接样式 */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}
a:hover {
    color: #004d99; /* 主色调深色变体 */
    text-decoration: underline;
}

/* 图片自适应 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 实用类 */
.text-primary { color: var(--color-primary) !important; }
.bg-primary { background-color: var(--color-primary) !important; }
.btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}
.btn-primary:hover {
    background-color: #0056b3 !important;
    border-color: #0056b3 !important;
}

.text-success { color: var(--color-success) !important; }
.bg-success { background-color: var(--color-success) !important; }

.text-warning { color: var(--color-warning) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.btn-warning {
    background-color: var(--color-warning) !important;
    border-color: var(--color-warning) !important;
    color: #fff;
}
.btn-warning:hover {
    background-color: #e65c00 !important;
    border-color: #e65c00 !important;
    color: #fff;
}

/* ============================================
   2. 通用组件样式 (覆盖/增强Bootstrap)
   ============================================ */

/* 导航栏 */
.navbar {
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary) !important;
}
.navbar-brand .brand-text {
    margin-left: 0.5rem;
}
.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
}
.nav-link.active {
    color: var(--color-primary) !important;
    font-weight: 600;
}
.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius-lg);
}

/* 按钮样式增强 */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: var(--transition-base);
}
.btn-lg {
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius-lg);
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 卡片样式增强 */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg) !important;
}
.service-card .service-icon-header {
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
}
.package-card {
    border: 1px solid #dee2e6;
}
.package-card.border-primary {
    border-width: 3px !important;
}

/* 徽章样式增强 */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* 表单控件 */
.form-control, .form-select {
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    border: 1px solid #ced4da;
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(0, 102, 204, 0.25);
}

/* ============================================
   3. 首页特定模块样式
   ============================================ */

/* --- 首页Banner (banner.php) --- */
.home-banner {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)), url('/images/banner/home-banner.jpg') no-repeat center center;
    background-size: cover;
    color: white;
    padding-top: 6rem;
    padding-bottom: 6rem;
    position: relative;
}
@media (max-width: 768px) {
    .home-banner {
        padding-top: 4rem;
        padding-bottom: 4rem;
        text-align: center;
    }
}
.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
.min-vh-60 {
    min-height: 60vh;
}
.scroll-down-indicator a {
    opacity: 0.7;
}
.scroll-down-indicator a:hover {
    opacity: 1;
}

/* --- 核心优势 (advantages.php) --- */
.advantages-section {
    background-color: #f8f9fa;
}
.advantage-card {
    border-top: 4px solid transparent;
}
.advantage-card:hover {
    border-top-color: var(--color-primary);
}
.advantage-icon .icon-wrapper {
    transition: var(--transition-base);
}
.advantage-card:hover .icon-wrapper {
    transform: scale(1.1);
}

/* --- 服务项目 (services.php) --- */
.service-card .service-icon-header i {
    transition: var(--transition-base);
}
.service-card:hover .service-icon-header i {
    transform: scale(1.1);
}

/* --- 年保套餐 (packages.php) --- */
.packages-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}
.package-label {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}
.package-price .display-2 {
    font-size: 3.5rem;
    line-height: 1;
}
@media (max-width: 768px) {
    .package-price .display-2 {
        font-size: 2.5rem;
    }
}

/* --- 客户案例 (cases.php) --- */
.case-image-container {
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
}
.case-tags .badge {
    font-size: 0.75em;
}
.case-result {
    background-color: #f8f9fa;
}

/* --- 服务流程 (process.php) --- */
.process-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}
.process-line {
    background: linear-gradient(to right, #0066CC, #00AA44, #FF6600, #9C27B0);
    height: 3px !important;
}
.process-step {
    padding: 1rem;
}
.step-icon-wrapper {
    transition: var(--transition-base);
}
.process-step:hover .step-icon-wrapper {
    transform: translateY(-5px);
}
.step-number {
    color: var(--color-dark);
    font-size: 1.1rem;
}

/* --- 行动号召 (cta.php) --- */
.cta-section {
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    transform: rotate(15deg);
    z-index: 0;
}
.cta-section .container, .cta-section .row, .cta-section .col, .cta-card {
    position: relative;
    z-index: 1;
}
.cta-card {
    border-radius: var(--border-radius-xl);
}
.trust-badges {
    border-top: 1px solid #e9ecef;
}
.trust-logo-placeholder {
    transition: var(--transition-base);
}
.trust-logo-placeholder:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-sm);
}

/* ============================================
   4. 页脚与浮动按钮
   ============================================ */

/* 页脚 (footer.php) */
.site-footer a:hover {
    color: var(--color-warning) !important;
    text-decoration: none;
}
.footer-contact a:hover {
    text-decoration: underline !important;
}

/* 返回顶部按钮 */
.btn-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0.8;
}
.btn-back-to-top:hover {
    opacity: 1;
    transform: translateY(-3px);
}

/* 浮动动作按钮 */
.floating-action-buttons {
    position: fixed;
    bottom: 100px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.floating-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition-base);
    text-decoration: none !important;
}
.floating-btn:hover {
    color: white;
    transform: scale(1.1);
}

/* ============================================
   5. 工具类与辅助样式
   ============================================ */

/* 动画类 (为后续JS交互预留) */
.transition-all {
    transition: var(--transition-base);
}
.animate__animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

/* 自定义分割线 */
.divider {
    width: 80px;
    height: 4px;
    border-radius: 2px;
    margin: 1.5rem auto;
}

/* 响应式工具 */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    .display-5 {
        font-size: 2rem;
    }
    .lead {
        font-size: 1rem;
    }
    .btn-lg {
        padding: 0.6rem 1.5rem;
        font-size: 1rem;
    }
    .floating-action-buttons {
        bottom: 80px;
        right: 15px;
    }
    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* 打印样式 */
@media print {
    .floating-action-buttons,
    .btn-back-to-top,
    .navbar-toggler,
    .cta-section,
    .alert {
        display: none !important;
    }
    a {
        text-decoration: none !important;
        color: inherit !important;
    }
}