/* 118图库 - 主样式文件 */
/* 基础变量定义 */
:root {
    /* 主色调 - 浅黄色系 */
    --primary-color: #f9ca24;
    --primary-light: #ffeaa7;
    --primary-dark: #f0932b;
    
    /* 辅助色 */
    --secondary-color: #30336b;
    --secondary-light: #686de0;
    --secondary-dark: #130f40;
    
    /* 中性色 */
    --neutral-light: #f5f6fa;
    --neutral-medium: #dcdde1;
    --neutral-dark: #2f3640;
    
    /* 功能色 */
    --success-color: #4cd137;
    --info-color: #00a8ff;
    --warning-color: #fbc531;
    --danger-color: #e84118;
    
    /* 字体 */
    --font-primary: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --font-heading: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* 圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--neutral-dark);
    background-color: var(--neutral-light);
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    font-family: var(--font-primary);
}

/* 布局容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    border: none;
}

.btn.primary {
    background-color: var(--primary-color);
    color: var(--secondary-dark);
    box-shadow: var(--shadow-sm);
}

.btn.primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn.secondary {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn.secondary:hover {
    background-color: var(--secondary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* 区块标题样式 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--neutral-dark);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* 页面区块通用样式 */
section {
    padding: var(--spacing-xxl) 0;
}

section:nth-child(even) {
    background-color: white;
}

section:nth-child(odd) {
    background-color: var(--neutral-light);
}

/* 页头样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo h1 {
    font-size: 1.75rem;
    margin: 0;
    color: var(--primary-dark);
    text-shadow: 1px 1px 0 var(--primary-light);
}

.main-nav {
    display: flex;
    align-items: center;
}

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

.nav-list a {
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 100;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-dark);
    margin: 5px 0;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
}

/* 首页英雄区块 */
.hero {
    padding: calc(var(--spacing-xxl) * 2) 0 var(--spacing-xxl);
    background: linear-gradient(135deg, var(--primary-light) 0%, white 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    opacity: 0.6;
    z-index: 0;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-dark);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--neutral-dark);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-10deg);
    transition: all var(--transition-slow);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0);
}

/* 特点区块 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-size: 2rem;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

/* 数据分析区块 */
.data-tabs {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tab-buttons {
    display: flex;
    background-color: var(--neutral-medium);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    font-weight: 600;
    color: var(--neutral-dark);
    transition: all var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    background-color: white;
    color: var(--primary-dark);
    border-color: var(--primary-color);
}

.tab-content {
    padding: var(--spacing-lg);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.data-display {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.latest-results {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.ball-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.ball {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--secondary-dark);
    font-weight: 700;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.ball.special {
    background-color: var(--secondary-color);
    color: white;
}

.period {
    font-size: 0.9rem;
    color: var(--neutral-dark);
    opacity: 0.8;
}

.data-chart {
    flex: 2;
    min-width: 400px;
}

.chart-img {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

/* 走势图表区块 */
.trends-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.trend-item {
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.trend-item h3 {
    padding: var(--spacing-md);
    background-color: var(--secondary-light);
    color: white;
    margin: 0;
    text-align: center;
}

.trend-preview {
    position: relative;
    overflow: hidden;
}

.trend-img {
    transition: transform var(--transition-normal);
}

.trend-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.trend-preview:hover .trend-img {
    transform: scale(1.05);
}

.trend-preview:hover .trend-overlay {
    opacity: 1;
}

/* 免费资料区块 */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.resource-tag {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
}

.resource-card p {
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

/* 彩票社区区块 */
.community-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    align-items: center;
}

.community-image {
    flex: 1;
    min-width: 300px;
}

.community-img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.community-features {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.community-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.community-feature .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    margin: 0;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 最新资讯区块 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.news-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    position: relative;
}

.news-date {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--primary-color);
    color: var(--secondary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.news-content {
    padding: var(--spacing-lg);
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.news-content p {
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

.read-more {
    font-weight: 600;
    color: var(--primary-dark);
}

.more-news {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* 导航栏下载按钮 */
.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--primary-color);
    color: var(--secondary-dark) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.download-btn:hover {
    background-color: var(--primary-dark);
    color: white !important;
    transform: translateY(-2px);
}

.download-btn i {
    font-size: 0.9rem;
}

/* APP下载区域 */
.app-download {
    background: linear-gradient(135deg, var(--primary-light) 0%, white 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.app-download::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(circle, rgba(249, 202, 36, 0.3) 0%, transparent 70%);
    transform: rotate(15deg);
    z-index: 0;
}

.download-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.app-preview {
    flex: 1;
    max-width: 300px;
    text-align: center;
}

.app-preview-img {
    max-height: 500px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.download-options {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.download-description h3 {
    font-size: 1.8rem;
    color: var(--secondary-dark);
    margin-bottom: var(--spacing-md);
}

.download-description p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.app-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.app-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
}

.app-features i {
    color: var(--success-color);
    font-size: 1.1rem;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.download-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    color: white;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.download-button.android {
    background-color: #A4C639;
}

.download-button.ios {
    background-color: #000000;
}

.download-button i {
    font-size: 2rem;
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.button-text {
    display: flex;
    flex-direction: column;
}

.small-text {
    font-size: 0.7rem;
    opacity: 0.9;
}

.big-text {
    font-size: 1.2rem;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qr-image {
    width: 100px;
    height: 100px;
    background-color: white;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xs);
}

.qr-code p {
    font-size: 0.8rem;
    color: var(--neutral-dark);
}

/* 页脚样式 */
.footer {
    background-color: var(--secondary-dark);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    flex: 1;
    min-width: 200px;
}

.footer-logo h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.footer-links-column {
    flex: 1;
    min-width: 150px;
}

.footer-links-column h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.footer-links-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
}

.footer-links-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links-column ul li a {
    color: var(--neutral-medium);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links-column ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: var(--secondary-dark);
    transform: translateY(-3px);
}