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

:root {
    --primary-color: #1E90FF;
    --primary-hover: #1876CC;
    --secondary-color: #1a1a1a;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --border-color: #e0e0e0;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --bg-dark: #1a1a1a;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: #ffffff; /* 白色文字，适配蓝色渐变背景 */
    border-color: #ffffff; /* 白色边框 */
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #1E90FF; /* 蓝色文字 */
}

.btn-login {
    background-color: transparent;
    color: var(--text-color);
    border-color: var(--border-color);
}

.btn-login:hover {
    background-color: var(--bg-light);
}

.btn-register {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-register:hover {
    background-color: var(--primary-hover);
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar-top {
    background: linear-gradient(90deg, #1e9be6 0%, #0d3a7a 100%);
    padding: 16px 0;
}

.navbar-top-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-left: 180px;
    padding-right: 180px;
}

.navbar-logo {
    flex: 0 0 auto;
}

.navbar-logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.navbar-logo-img:hover {
    transform: scale(1.05);
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    display: inline-block;
}

.logo-subtitle {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
    display: block;
    margin-top: -2px;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.btn-nav {
    padding: 10px 28px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1.5px solid #ffffff;
    text-decoration: none;
    white-space: nowrap;
    min-width: 100px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-nav-primary {
    background-color: transparent;
    color: #ffffff;
}

.btn-nav-primary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.btn-nav-secondary {
    background-color: #ffffff;
    color: #0d3a7a;
}

.btn-nav-secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    color: #ffffff;
    font-size: 14px;
}

.language-selector:hover {
    background-color: rgba(255, 255, 255, 0.25);
}

.language-selector img {
    width: 20px;
    height: 14px;
}

.language-selector svg {
    width: 12px;
    height: 12px;
    opacity: 0.8;
}

.navbar-bottom {
    background: linear-gradient(90deg, #1a8ed6 0%, #0b2f66 100%);
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-bottom .container {
    padding-left: 180px;
    padding-right: 180px;
}

.navbar.scrolled .navbar-top {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-menu {
    flex: 1;
}

.nav-menu ul {
    display: flex;
    justify-content: space-between;
    gap: 0;
}

.nav-menu li {
    position: relative;
    flex: 1;
}

.nav-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 500;
    font-size: 15px;
    padding: 16px 20px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-arrow {
    font-size: 12px;
    margin-left: 4px;
    opacity: 0.8;
    transition: var(--transition);
    display: inline-block;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffffff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    min-width: 280px;
    border-radius: 8px;
    padding: 8px 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.dropdown-section {
    display: flex;
    flex-direction: column;
}

.dropdown-section h4 {
    display: none;
}

.dropdown-section a {
    display: block;
    padding: 14px 32px;
    color: var(--text-color);
    font-size: 15px;
    transition: var(--transition);
    text-decoration: none;
    font-weight: 500;
    position: relative;
}

.dropdown-section a:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
    padding-left: 36px;
}

.dropdown-section a.active {
    color: var(--primary-color);
    background-color: #fff5f0;
}

.nav-menu li:hover .dropdown-arrow {
    /* 已在上面定义 */
}

.nav-buttons {
    display: flex;
    gap: 12px;
    flex: 0 0 auto;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    transition: var(--transition);
    border-radius: 2px;
}

/* 轮播图横幅 - 固定高度933px（最大图片高度+200px）- 蓝色渐变背景 */
.hero-banner {
    margin-top: 120px;
    position: relative;
    height: 933px; /* 固定高度，在833px基础上再增加100px */
    overflow: hidden;
    background: linear-gradient(180deg, #1E90FF 0%, #1876CC 100%); /* 蓝色渐变背景 */
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background-color: #f8f9fa;
}

.slide.active {
    opacity: 1;
}

/* 背景图片 - 左侧对齐，高度完整不裁剪，宽度自适应裁剪右侧 */
.slide-bg {
    position: absolute;
    top: 0;
    left: 0; /* 从左侧开始，不居中 */
    width: 100%; /* 宽度填满容器 */
    height: 100%; /* 高度填满容器 */
    object-fit: cover; /* 裁剪超出部分，保持不变形 */
    object-position: left center; /* 左侧对齐裁剪 */
    z-index: 1;
}

/* 内容覆盖层 - 已移除所有文字内容 */
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none; /* 允许点击穿透到图片 */
}

/* 轮播图底部按钮容器 - 默认左侧定位 */
.slide-bottom-button {
    position: absolute;
    bottom: 80px;
    left: 200px;
    z-index: 3;
}

/* 第五个轮播图按钮容器 - 额外右移 */
.slide:nth-child(5) .slide-bottom-button {
    left: 280px;
}

/* 第五个轮播图按钮 - 立即下载 */
.btn-slide-download {
    display: inline-block;
    padding: 22px 80px;
    background: linear-gradient(135deg, #1E90FF 0%, #4169E1 100%);
    color: #ffffff;
    font-size: 22px;
    font-weight: 600;
    border-radius: 35px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.4);
}

.btn-slide-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.4);
}

/* 第六个轮播图按钮 - 立即查看 */
.btn-slide-view {
    display: inline-block;
    padding: 22px 80px;
    background: linear-gradient(135deg, #1E90FF 0%, #4169E1 100%);
    color: #ffffff;
    font-size: 22px;
    font-weight: 600;
    border-radius: 35px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.4);
}

.btn-slide-view:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.4);
}

.slide-content {
    text-align: center;
    color: #ffffff;
    max-width: 800px;
    padding: 0 20px;
    position: relative;
    z-index: 3;
}

.slide-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
    color: #ffffff;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 24px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
    color: #ffffff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.slide-content .btn {
    animation: fadeInUp 0.8s ease 0.4s;
    animation-fill-mode: both;
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 18px; /* 未激活：宽度是选中的三分之二 */
    height: 12px; /* 圆角矩形高度 */
    border-radius: 6px; /* 圆角，高度的一半 */
    background-color: rgba(255, 255, 255, 0.3); /* 未激活状态：半透明白色 */
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: #00f0ff; /* 激活状态：青色/亮蓝色 */
    width: 27px; /* 选中状态：缩小三分之一，从40px改为27px */
    border-radius: 6px;
}

.dot:hover {
    background-color: rgba(255, 255, 255, 0.6); /* 悬停时增加不透明度 */
}

/* 数据统计栏 - 白色背景 */
.stats-bar {
    background-color: #ffffff; /* 纯白背景 */
    padding: 40px 0;
    color: var(--text-color);
}

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

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background-color: var(--bg-light); /* 浅灰色背景卡片 */
    border-radius: 8px;
    transition: var(--transition);
}

.stat-item:hover {
    background-color: #e8e8e8; /* 悬停时稍深 */
    transform: translateY(-4px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    /* 确保SVG图标在白色背景上可见 */
    filter: none;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-light); /* 浅灰色文字 */
}

/* 实时报价区域 - 蓝色渐变背景 */
.live-prices {
    padding: 80px 0;
    background: linear-gradient(180deg, #1E90FF 0%, #1876CC 100%); /* 蓝色渐变背景 */
    color: #ffffff;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff; /* 白色文字，适配蓝色渐变背景 */
}

.section-header .section-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 28px;
    border: 2px solid rgba(255, 255, 255, 0.5); /* 半透明白色边框 */
    background-color: rgba(255, 255, 255, 0.15); /* 半透明白色背景 */
    color: #ffffff; /* 白色文字 */
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.tab-btn.active {
    background-color: #ffffff; /* 白色背景 */
    color: #1E90FF; /* 蓝色文字 */
    border-color: #ffffff;
    font-weight: 600; /* 激活状态加粗 */
}

.tab-btn:hover {
    border-color: #ffffff;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.25);
}

/* 新增：实时报价内容区 */
.live-prices-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    margin-bottom: 40px;
    align-items: stretch; /* 确保左右两侧高度一致 */
}

/* 左侧：价格卡片 - 固定高度，显示3个 */
.price-cards {
    height: 540px; /* 固定高度：3个卡片 * 约160px + 间距 */
    overflow-y: auto; /* 支持上下滚动 */
    padding-right: 10px;
    /* 自定义滚动条样式 */
}

.price-cards::-webkit-scrollbar {
    width: 6px;
}

.price-cards::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.price-cards::-webkit-scrollbar-thumb {
    background: rgba(30, 144, 255, 0.3);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.price-cards::-webkit-scrollbar-thumb:hover {
    background: rgba(30, 144, 255, 0.5);
}

.price-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 18px; /* 稍微减小内边距 */
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    /* 固定高度，确保3个卡片完美显示 */
    height: 164px; /* (540px - 2*16px margin) / 3 = 约164px */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    background: #ffffff;
    height: 164px; /* 保持固定高度 */
}

.price-card.active {
    border: 2px solid #1E90FF; /* 蓝色边框高亮 */
    box-shadow: 0 4px 16px rgba(30, 144, 255, 0.2);
    background: #ffffff;
    height: 164px; /* 保持固定高度 */
}

.price-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.price-card-name {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.2;
}

.price-card-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap; /* 防止换行 */
}

.price-card-trend.up {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

.price-card-trend.down {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
}

.price-card-values {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 14px;
}

.price-card-item {
    text-align: center;
}

.price-card-label {
    font-size: 11px;
    color: #999;
    margin-bottom: 5px;
    line-height: 1;
}

.price-card-value {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    line-height: 1.2;
}

.price-card-spread {
    text-align: center;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}

.price-card-spread span {
    color: #1E90FF;
    font-weight: 600;
}

/* 右侧：图表区域 */
.chart-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    /* 高度与左侧保持一致 */
    height: 540px;
    display: flex;
    flex-direction: column;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f0f0f0;
    flex-shrink: 0; /* 不压缩 */
}

.chart-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
}

.chart-price {
    text-align: right;
}

.price-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.price-change {
    font-size: 14px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    display: inline-block;
}

.price-change.up {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

.price-change.down {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
}

.chart-body {
    position: relative;
    flex: 1; /* 占据剩余空间，自动适配左侧高度 */
    margin-bottom: 20px;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 8px;
    padding: 20px;
    overflow: hidden;
}

.chart-timeframe {
    flex-shrink: 0; /* 不压缩 */
}

/* K线图容器 */
.kline-chart-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* K线柱容器 */
.kline-bars-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    padding: 0 10px;
    gap: 2px;
}

/* 单根K线包装器 */
.kline-bar-wrapper {
    flex: 1;
    position: relative;
    height: 100%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.kline-bar-wrapper:hover {
    transform: scaleY(1.02);
    z-index: 10;
}

/* 影线（上下影线） */
.kline-shadow {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: currentColor;
}

.kline-bar-wrapper.up .kline-shadow {
    color: #4caf50;
}

.kline-bar-wrapper.down .kline-shadow {
    color: #f44336;
}

/* 实体部分 */
.kline-body {
    position: absolute;
    left: 10%;
    right: 10%;
    background: currentColor;
    border-radius: 2px;
    min-height: 2px;
}

.kline-bar-wrapper.up .kline-body {
    background: #4caf50;
    border: 1px solid #4caf50;
}

.kline-bar-wrapper.down .kline-body {
    background: #f44336;
    border: 1px solid #f44336;
}

/* 价格标签（右侧） */
.price-labels {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 80px;
    pointer-events: none;
}

.price-label {
    position: absolute;
    right: 5px;
    font-size: 11px;
    color: #999;
    transform: translateY(50%);
}

/* 当前价格线 */
.current-price-line {
    position: absolute;
    left: 0;
    right: 80px;
    border-top: 2px dashed #1E90FF;
    pointer-events: none;
    z-index: 5;
}

.current-price-label {
    position: absolute;
    right: -75px;
    top: -12px;
    background: #1E90FF;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

/* K线提示框 */
.kline-tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    padding: 12px;
    border-radius: 8px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 200px;
}

.tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.tooltip-trend.up {
    color: #4caf50;
}

.tooltip-trend.down {
    color: #f44336;
}

.tooltip-body {
    display: grid;
    gap: 6px;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
}

.tooltip-label {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 16px;
}

.tooltip-value {
    font-weight: 600;
    color: #fff;
}

.chart-timeframe {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.timeframe-btn {
    padding: 8px 16px;
    border: 1px solid #e0e0e0;
    background: #f5f5f5;
    color: #666;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.timeframe-btn:hover {
    background: #e8e8e8;
    border-color: #1E90FF;
    color: #1E90FF;
}

.timeframe-btn.active {
    background: #1E90FF;
    border-color: #1E90FF;
    color: #ffffff;
    font-weight: 600;
}

.prices-table {
    background-color: #ffffff; /* 纯白色背景，确保清晰显示 */
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 40px;
}

.price-row {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.price-row.header {
    background-color: #1E90FF; /* 蓝色表头背景 */
    font-weight: 600;
    color: #ffffff; /* 白色文字 */
}

.price-row:last-child {
    border-bottom: none;
}

.price-row:hover {
    background-color: rgba(30, 144, 255, 0.05); /* 淡蓝色悬停效果 */
}

.price-cell {
    flex: 1;
    text-align: center;
    padding: 8px;
    color: var(--text-color); /* 确保文字颜色正确 */
}

.price-cell:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-color); /* 确保第一列文字颜色 */
}

.arrow-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 4px;
}

.arrow-up {
    color: var(--success-color);
}

.arrow-down {
    color: var(--danger-color);
}

.cta-wrapper {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* 为什么选择我们 - 白色背景 */
.why-us {
    padding: 80px 0;
    background-color: #ffffff; /* 纯白背景 */
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.section-text p {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-light);
}

.feature-list {
    margin: 24px 0;
}

.feature-list li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: var(--text-light);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

.section-image img {
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* 流动性提供商 - 蓝色渐变背景 */
.liquidity-providers {
    padding: 60px 0;
    background: linear-gradient(180deg, #1E90FF 0%, #1876CC 100%); /* 蓝色渐变背景 */
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #ffffff; /* 白色文字，适配蓝色渐变背景 */
}

.lp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.lp-item {
    background-color: rgba(255, 255, 255, 0.95); /* 半透明白色背景，适配蓝色渐变 */
    padding: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.lp-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    background-color: #ffffff; /* 悬停时纯白背景 */
}

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

/* 入金方式 - 白色背景 */
.deposit-section {
    padding: 80px 0;
    background-color: #ffffff; /* 纯白背景 */
}

.highlight-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 16px 0;
}

.bank-info {
    margin: 24px 0;
}

.bank-info p {
    margin-bottom: 12px;
    font-weight: 600;
}

.bank-logo {
    max-width: 120px;
    height: auto;
}

/* 交易产品 - 蓝色渐变背景 */
.trading-products {
    padding: 80px 0;
    background: linear-gradient(180deg, #1E90FF 0%, #1876CC 100%); /* 蓝色渐变背景 */
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #ffffff; /* 白色文字，适配蓝色渐变背景 */
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background-color: rgba(255, 255, 255, 0.95); /* 半透明白色背景，适配蓝色渐变 */
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.product-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* 确保SVG图标在半透明白色卡片上可见 */
    filter: none;
}

.product-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color); /* 深色文字 */
}

.product-card p {
    font-size: 14px;
    color: var(--text-light); /* 浅色文字 */
    line-height: 1.6;
}

/* 交易平台 - 白色背景 */
.platforms {
    padding: 80px 0;
    background-color: #ffffff; /* 纯白背景 */
}

/* CTA区域 - 蓝色渐变背景 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #1E90FF 0%, #1876CC 100%); /* 蓝色渐变背景 */
    color: #ffffff;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

.cta-features {
    margin-top: 40px;
}

.cta-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 16px;
}

.cta-feature img {
    width: 24px;
    height: 24px;
    /* 确保SVG图标在蓝色背景上可见 */
    filter: brightness(0) invert(1); /* 将图标转为白色 */
}

/* 页脚 */
.footer {
    background-color: var(--bg-dark);
    color: #ffffff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-white);
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: var(--text-color);
    transition: var(--transition);
}

.mobile-menu-close:hover {
    color: var(--primary-color);
}

.mobile-menu nav {
    padding: 20px;
}

.mobile-menu ul li {
    margin-bottom: 16px;
}

.mobile-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-color);
    border-radius: 4px;
    transition: var(--transition);
}

.mobile-menu a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 工具类 */
.img-fluid {
    max-width: 100%;
    height: auto;
}