/* ========================================
   梦曜宸航企业网站 - 主样式表
   基于 TDesign 设计规范
   ======================================== */

/* 字体定义 */
@font-face {
    font-family: 'TencentSans-W7';
    src: url('https://cdn.jsdelivr.net/npm/tencent-sans@latest/TencentSans-W7.woff2') format('woff2'),
         url('https://cdn.jsdelivr.net/npm/tencent-sans@latest/TencentSans-W7.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* CSS 变量定义 */
:root {
    /* 主色调 */
    --brand-color: #0052D9;
    --brand-color-light: #2B6DE5;
    --brand-color-dark: #003BB3;
    
    /* 辅助色 */
    --success-color: #00A870;
    --warning-color: #FFAA00;
    --error-color: #E34D59;
    
    /* 中性色 */
    --text-primary: #1D2129;
    --text-secondary: #4E5969;
    --text-tertiary: #86909C;
    --text-placeholder: #C9CDD4;
    
    /* 背景色 */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F2F3F5;
    --bg-tertiary: #F7F8FA;
    --bg-gray: #F5F5F5;
    
    /* 边框色 */
    --border-color: #E5E6EB;
    --border-light: #F2F3F5;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--brand-color);
    color: white;
    border: 1px solid var(--brand-color);
}

.btn-primary:hover {
    background-color: var(--brand-color-light);
    border-color: var(--brand-color-light);
}

.btn-outline {
    background-color: transparent;
    color: var(--brand-color);
    border: 1px solid var(--brand-color);
}

.btn-outline:hover {
    background-color: var(--brand-color);
    color: white;
}

.btn-full {
    width: 100%;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-color), var(--brand-color-light));
    color: white;
    font-size: 18px;
    font-weight: 700;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.nav-desktop {
    display: flex;
}

.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 14px;
    color: var(--text-secondary);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link:hover {
    color: var(--brand-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-color);
    transition: width var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
}

.mobile-menu.active {
    display: block;
}

.nav-list-mobile {
    padding: 0 var(--spacing-lg);
}

.nav-list-mobile li {
    border-bottom: 1px solid var(--border-light);
}

.nav-list-mobile li:last-child {
    border-bottom: none;
    padding-top: var(--spacing-md);
}

.nav-link-mobile {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: 16px;
    color: var(--text-primary);
}

.nav-link-mobile:hover {
    color: var(--brand-color);
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fc 0%, #eef1f8 50%, #f0f4fa 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: -40px;
    bottom: 0;
    overflow: hidden;
    background-image: url('../images/bgys.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-shapes {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #0052D9, #2B6DE5);
    top: 10%;
    right: 15%;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #00A870, #00C853);
    top: 40%;
    right: 35%;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #FFAA00, #FF6B00);
    bottom: 15%;
    right: 25%;
}

.hero .container {
    width: 100%;
    padding-left: 5%;
    padding-right: var(--spacing-lg);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin-left: -71px;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
    font-family: 'TencentSans-W7', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    font-family: 'TencentSans-W7', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-tertiary);
    line-height: 1.8;
    max-width: 480px;
    font-family: 'TencentSans-W7', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ========================================
   通用区块样式
   ======================================== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-title-blue {
    color: var(--brand-color);
}

.section-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ========================================
   卡片网格
   ======================================== */
.cards-grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

.cards-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--brand-color);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.card-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

/* 解决方案卡片 */
.solution-card {
    text-align: center;
}

.solution-card .card-icon {
    margin-left: auto;
    margin-right: auto;
}

/* 产品卡片 */
.product-card {
    text-align: center;
}

.product-card .card-icon {
    margin-left: auto;
    margin-right: auto;
}

.product-icon {
    background: linear-gradient(135deg, var(--brand-color), var(--brand-color-light));
}

.product-icon svg {
    color: white;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 12px;
    margin-top: var(--spacing-sm);
}

.status-badge.available {
    background-color: rgba(0, 168, 112, 0.1);
    color: var(--success-color);
}

/* ========================================
   核心优势区块
   ======================================== */
.section-features {
    background-color: var(--bg-secondary);
}

.feature-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.feature-text {
    max-width: 480px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-primary);
}

.check-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--success-color);
    color: white;
    border-radius: 50%;
    font-size: 12px;
}

/* 代码预览 */
.code-preview {
    background-color: #1e1e1e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: #2d2d2d;
    border-bottom: 1px solid #3d3d3d;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red {
    background-color: #ff5f56;
}

.code-dot.yellow {
    background-color: #ffbd2e;
}

.code-dot.green {
    background-color: #27c93f;
}

.code-title {
    margin-left: var(--spacing-sm);
    font-size: 12px;
    color: #9e9e9e;
}

.code-body {
    padding: var(--spacing-lg);
    overflow-x: auto;
}

.code-body pre {
    margin: 0;
}

.code-body code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #d4d4d4;
}

/* ========================================
   行业深耕区块
   ======================================== */
.section-industries {
    background-color: var(--bg-primary);
}

.industries-showcase {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-lg);
}

.industry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: white;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.industry-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-color), var(--brand-color-light));
    border-radius: var(--radius-lg);
}

.industry-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.industry-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background-color: var(--bg-gray);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-img {
    height: 81px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    line-height: 1.6;
    max-width: 280px;
}

.footer-divider {
    width: 1px;
    min-height: 120px;
    background-color: var(--border-color);
    flex-shrink: 0;
}

.footer-links {
    display: flex;
    flex-shrink: 0;
}

.footer-friendlinks {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.footer-friendlinks .footer-list {
    align-items: center;
}

.footer-lz {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: 0 calc(-1 * var(--spacing-xl));
}

.lz-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.lz-img {
    width: 58px;
    height: auto;
    border-radius: var(--radius-md);
}

.lz-img.wbllxx {
    width: 136px;
}

.lz-img.img-12321 {
    width: 58px;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-list a {
    font-size: 13px;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: var(--brand-color);
}

.footer-contact {
    text-align: center;
    margin-left: auto;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.qr-placeholder {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.qr-img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.qr-text {
    font-size: 12px;
    color: var(--text-tertiary);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-lg);
    background-color: #e8e8e8;
    border-radius: var(--radius-md);
    margin-top: 0;
}

.copyright {
    font-size: 13px;
    color: var(--text-tertiary);
}

.footer-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--text-tertiary);
}

.divider {
    color: var(--border-color);
}