/* 基础样式和变量 */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2d5a87;
    --accent-color: #f6ad55;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --background-light: #f8fafc;
    --background-dark: #1a202c;
    --white: #ffffff;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 54, 93, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(26, 54, 93, 0.98);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.2rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
    white-space: nowrap;
    padding: 0.5rem 0.8rem;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* 语言下拉框样式 */
.language-dropdown {
    position: relative;
    display: inline-block;
}

.language-toggle {
    cursor: pointer;
    user-select: none;
}

.dropdown-arrow {
    font-size: 0.7em;
    margin-left: 0.3em;
    transition: transform 0.3s ease;
}

.language-dropdown:hover .dropdown-arrow {
    transform: translateY(1px);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(26, 54, 93, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-width: 140px;
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1002;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

/* 自定义滚动条样式 */
.language-menu::-webkit-scrollbar {
    width: 6px;
}

.language-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.language-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.language-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

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

.language-menu li {
    margin: 0;
}

.language-menu a {
    display: block;
    padding: 0.7rem 1rem;
    color: var(--white);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.language-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

.language-menu a::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: -1;
}

.parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.parallax-slow .bg-overlay {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 100%;
    height: 100%;
    position: relative;
}

/* 英雄区域视频背景样式 */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.fallback-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.parallax-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.3);
    z-index: -1;
}

.parallax-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    display: none; /* 隐藏视差装饰元素 */
}

.parallax-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0; /* 完全透明 */
}

.parallax-element:nth-child(1) {
    top: 20%;
    left: 10%;
}

.parallax-element:nth-child(2) {
    top: 60%;
    right: 15%;
}

/* 确保英雄区域视频完全覆盖 */
.hero .parallax-layer {
    z-index: -1;
}

.parallax-slow .bg-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23f6ad55;stop-opacity:0.1"/><stop offset="100%" style="stop-color:%232d5a87;stop-opacity:0.2"/></linearGradient></defs><path d="M0,300 Q300,100 600,300 T1200,200 L1200,600 L0,600 Z" fill="url(%23grad)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s ease forwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.3s;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease forwards 0.6s;
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease forwards 0.9s;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    background: rgba(26, 54, 93, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
}

/* 数字容器样式 - 用于包含数字和百分号 */
.stat-number-container {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    background: rgba(26, 54, 93, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.stat-number-container .stat-number {
    display: inline;
    background: none;
    padding: 0;
    margin: 0;
    text-shadow: none;
}

.stat-number-container .stat-unit {
    display: inline;
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
    font-weight: 500;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease forwards 1.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(246, 173, 85, 0.3);
}

.button-arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .button-arrow {
    transform: translateX(5px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border: 2px solid currentColor;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    margin: 0 auto 0.5rem;
}

/* 通用节标题 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* 关于我们 */
.about {
    position: relative;
    padding: 8rem 0;
    background: var(--background-light);
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/about-bg-office.png') center center/cover;
    filter: grayscale(60%) opacity(0.15);
    z-index: -1;
}

.about-bg {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.05), rgba(45, 90, 135, 0.1));
    width: 100%;
    height: 100%;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.features {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

/* 科技感图标样式 */
.institutional-icon {
    background: linear-gradient(135deg, #1a365d, #2d5a87);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(26, 54, 93, 0.3));
}

.tech-icon {
    background: linear-gradient(135deg, #f6ad55, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(246, 173, 85, 0.3));
}

.security-icon {
    background: linear-gradient(135deg, #2d5a87, #1a365d);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(45, 90, 135, 0.3));
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-visual {
    position: relative;
}

.visual-element {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1.5rem 1rem; /* 减少内边距避免文字溢出 */
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-light);
    text-align: center;
    transition: transform 0.3s ease;
    word-wrap: break-word; /* 防止文字溢出 */
    overflow: hidden; /* 隐藏溢出的内容 */
}

.floating-card:nth-child(1) {
    top: 0;
    left: 0;
    width: 200px; /* 增加宽度 */
}

.floating-card:nth-child(2) {
    top: 100px;
    right: 0;
    width: 180px; /* 增加宽度 */
}

.floating-card:nth-child(3) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 190px; /* 增加宽度 */
}

.floating-card:hover {
    transform: translateY(-10px);
}

.floating-card h4 {
    font-size: 0.85rem; /* 稍微减小字体 */
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.2; /* 调整行高 */
    white-space: nowrap; /* 防止换行 */
    overflow: hidden;
    text-overflow: ellipsis; /* 文字过长时显示省略号 */
}

.big-number {
    font-size: 1.8rem; /* 稍微减小数字大小 */
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1.1;
}

/* 核心业务 */
.services {
    position: relative;
    padding: 8rem 0;
    background: var(--white);
    overflow: hidden;
}

.services-bg {
    background: linear-gradient(45deg, rgba(246, 173, 85, 0.05), rgba(26, 54, 93, 0.1));
    width: 100%;
    height: 100%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.card-image {
    margin: -2.5rem -2.5rem 2rem -2.5rem;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}

.card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .card-image img {
    transform: scale(1.05);
}

.card-header {
    margin-bottom: 2rem;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.card-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.card-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.card-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.performance-highlight {
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    margin: 1.5rem 0;
}

.highlight-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.highlight-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.learn-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.learn-more:hover {
    color: var(--primary-color);
}

/* IPO专业服务区 */
.ipo-section {
    position: relative;
    padding: 8rem 0;
    /* background: var(--white); */
    overflow: hidden;
}

.ipo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/ipo-bg-exchange-2.png') center center/cover;
    filter: grayscale(45%) opacity(0.25);
    z-index: -1;
}

.ipo-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.85));
    z-index: -1;
}

.ipo-section .section-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(15px);
    margin-bottom: 4rem;
}

.ipo-section .section-title {
    text-shadow: 0 2px 8px rgba(26, 54, 93, 0.1);
}

.ipo-section .section-subtitle {
    color: var(--text-secondary);
}

/* IPO时间轴 */
.ipo-timeline {
    margin: 4rem 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.timeline-header {
    text-align: center;
    margin-bottom: 3rem;
}

.timeline-header h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(26, 54, 93, 0.1);
}

.timeline-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    z-index: 0;
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.timeline-marker {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--white);
    border: 4px solid var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.timeline-item.active .timeline-marker {
    background: var(--accent-color);
    border-color: var(--primary-color);
}

.step-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.timeline-item.active .step-number {
    color: var(--white);
}

.timeline-content h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-duration {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* 市场数据滚动 */
.market-data-scroll {
    margin: 5rem 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.market-data-scroll h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(26, 54, 93, 0.1);
}

.data-ticker {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    background: var(--white);
    border-radius: 10px;
    padding: 1rem 0;
    box-shadow: var(--shadow-medium);
}

.ticker-content {
    display: inline-block;
    animation: scroll-left 20s linear infinite;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.data-item {
    margin-right: 3rem;
    font-weight: 500;
}

@keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* 成功案例轮播 */
.success-cases {
    margin: 5rem 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.success-cases h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(26, 54, 93, 0.1);
}

.cases-carousel {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    height: 250px;
}

.case-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.5s ease;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.case-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.case-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.case-logo .service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    box-shadow: var(--shadow-medium);
}

.case-logo .service-icon svg {
    width: 40px;
    height: 40px;
}

.case-content h4 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
}

.case-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.case-stats {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.case-stats .stat {
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
}

.prev-btn, .next-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background: var(--secondary-color);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-light);
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: var(--accent-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .timeline-container {
        flex-direction: column;
        align-items: center;
    }
    
    .timeline-container::before {
        display: none;
    }
    
    .timeline-item {
        margin-bottom: 2rem;
        max-width: 300px;
    }
    
    .cases-carousel {
        height: auto;
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    .ipo-section {
        padding: 6rem 0;
    }
    
    .timeline-header h3 {
        font-size: 1.5rem;
    }
    
    .timeline-marker {
        width: 60px;
        height: 60px;
    }
    
    .step-number {
        font-size: 1.2rem;
    }
    
    .data-ticker {
        font-size: 0.9rem;
    }
    
    .case-slide {
        padding: 1.5rem;
    }
    
    .case-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .carousel-controls {
        gap: 1rem;
    }
}

/* 专业团队 */
.team {
    position: relative;
    padding: 8rem 0;
    background: var(--background-light);
    overflow: hidden;
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/team-bg-boardroom.png') center center/cover;
    filter: grayscale(70%) opacity(0.12);
    z-index: -1;
}

.team-bg {
    background: linear-gradient(135deg, rgba(45, 90, 135, 0.05), rgba(26, 54, 93, 0.1));
    width: 100%;
    height: 100%;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow-light);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.member-photo {
    position: relative;
    overflow: hidden;
    height: 500px;
    border-radius: 20px 20px 0 0;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.3s ease;
}

.member-photo:hover img {
    transform: scale(1.05);
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-photo:hover .photo-overlay {
    opacity: 1;
}

.member-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: background 0.3s ease;
}

.social-link:hover {
    background: var(--accent-color);
}

.member-info {
    padding: 2rem;
}

.member-info h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.member-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.achievement {
    background: var(--background-light);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 团队成员成就图标 */
.achievement .tech-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.achievement .tech-icon svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.5;
}

/* 业绩表现 */
.performance {
    position: relative;
    padding: 8rem 0;
    /* background: var(--white); */
    overflow: hidden;
}

.performance::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/etf-bg-trading.png') center center/cover;
    filter: grayscale(55%) opacity(0.18);
    z-index: -1;
}

.performance::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.88)); */
    z-index: -1;
}

.performance .section-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(15px);
    margin-bottom: 4rem;
}

.performance .section-title {
    text-shadow: 0 2px 8px rgba(26, 54, 93, 0.1);
}

.performance .section-subtitle {
    color: var(--text-secondary);
}

.performance-bg {
    /* background: linear-gradient(45deg, rgba(26, 54, 93, 0.05), rgba(246, 173, 85, 0.1)); */
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.performance-content {
    display: grid;
    gap: 4rem;
}

.performance-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
    margin-bottom: 0.5rem;
}

/* Performance部分的数字容器样式 */
.stat-card .stat-number-container {
    display: block;
    margin-bottom: 0.5rem;
}

.stat-card .stat-number-container .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: inline;
    margin: 0;
}

.stat-card .stat-number-container .stat-percent {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: inline;
    margin-left: 0.1em;
}

.stat-card .stat-label {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-period {
    font-size: 0.9rem;
    color: var(--text-light);
}

.performance-chart {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.performance-chart h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.chart-container {
    height: 400px;
    position: relative;
}

/* 量化策略表现样式 */
.strategy-performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.strategy-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.strategy-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.95);
}

.strategy-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.strategy-info h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.strategy-leader {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.strategy-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    justify-items: stretch;
}

.metric {
    text-align: center;
    padding: 1.2rem 0.8rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    min-width: 130px;
    flex: 1;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.3rem;
    line-height: 1.2;
    word-break: keep-all;
}

.metric-value.text-success {
    color: #22c55e;
}

.metric-value.text-primary {
    color: var(--accent-color);
}

.metric-value.text-warning {
    color: #f59e0b;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.market-data-summary {
    grid-column: 1 / -1;
    background: var(--primary-color);
    color: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    margin-top: 1rem;
}

.market-data-summary h4 {
    color: var(--white);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.data-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.data-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.data-value {
    font-size: 1.3rem;
    font-weight: bold;
}

/* 联系我们 */
.contact {
    position: relative;
    padding: 8rem 0;
    background: var(--background-light);
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/contact-bg-city.png') center center/cover;
    filter: grayscale(75%) opacity(0.15);
    z-index: -1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow-light);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(246, 173, 85, 0.3);
}

/* 页脚 */
.footer {
    background: var(--background-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 80px;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.link-group h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.link-group ul {
    list-style: none;
}

.link-group a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 视差背景 */
.parallax-background {
    position: absolute;
    top: -50px; /* 向上扩展以支持视差移动 */
    left: 0;
    width: 100%;
    height: 120%; /* 增加高度以支持视差移动 */
    z-index: -1;
    will-change: transform;
    overflow: hidden;
}

.parallax-background > div {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .team-grid {
        gap: 2rem;
    }
}

/* 中等屏幕尺寸优化 - 针对导航栏英文版过长问题 */
@media (max-width: 1200px) {
    .nav-container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-menu a {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 0.8rem;
    }
    
    .nav-menu a {
        font-size: 0.8rem;
        padding: 0.4rem 0.5rem;
    }
}

@media (max-width: 900px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 0;
        transition: left 0.3s ease;
        gap: 1.5rem;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 1rem;
        padding: 1rem 2rem;
        width: 100%;
        text-align: center;
    }

    /* 移动端语言下拉框样式 */
    .language-dropdown {
        width: 100%;
    }
    
    .language-toggle {
        display: block;
        width: 100%;
        text-align: center;
        padding: 1rem 2rem;
    }
    
    .language-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.1);
        border: none;
        border-radius: 0;
        box-shadow: none;
        width: 100%;
        margin-top: 0.5rem;
        backdrop-filter: none;
        display: none; /* 默认隐藏，通过JavaScript控制显示 */
    }
    
    .language-menu a {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .member-photo {
        height: 350px;
    }

    .performance-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .strategy-performance-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .strategy-metrics {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .metric-value {
        font-size: 1.6rem;
    }

    .data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .market-data-summary {
        padding: 2rem 1.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    /* 禁用移动端视差效果 */
    .parallax-background {
        transform: none !important;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .performance-stats {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        position: relative !important;
        margin-bottom: 1rem;
        width: 100% !important;
        transform: none !important;
        max-width: 300px; /* 限制最大宽度 */
        margin-left: auto;
        margin-right: auto;
        padding: 1.2rem 1rem; /* 调整移动端内边距 */
    }
    
    .visual-element {
        height: auto;
    }
}

/* 新增样式：服务卡片增强样式 */
.service-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.5rem;
}

.strategy-list, .ipo-stats, .consulting-services {
    margin: 1.5rem 0;
}

.strategy-item, .service-item {
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: rgba(246, 173, 85, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.strategy-item h5, .service-item h5 {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.strategy-item p, .service-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.stat-group {
    margin-bottom: 1rem;
}

.stat-group h5 {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-group ul {
    list-style: none;
    font-size: 0.85rem;
}

.stat-group li {
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.stat-group li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 0.7rem;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--background-light);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.feature-icon {
    font-size: 0.9rem;
}

.tech-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.client-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.client-tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 团队成员增强样式 */
.member-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.specialty {
    background: linear-gradient(135deg, var(--accent-color), #ed8936);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 视频背景样式 */
.service-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

.etf-data-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 背景图片样式 */
.services-bg,
.team-bg,
.performance-bg,
.contact-bg {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 联系我们背景图片样式 */
.contact {
    position: relative;
    overflow: hidden;
}

.contact .parallax-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.contact-bg {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.8), rgba(45, 90, 135, 0.7));
    width: 100%;
    height: 100%;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .strategy-item, .service-item {
        padding: 0.6rem;
    }
    
    .strategy-item h5, .service-item h5 {
        font-size: 0.85rem;
    }
    
    .strategy-item p, .service-item p {
        font-size: 0.8rem;
    }
    
    .tech-features, .client-types, .member-specialties {
        justify-content: center;
    }
    
    .service-features {
        justify-content: center;
    }
}

/* ========== 科技感图标样式 ========== */

/* 基础图标容器 */
.tech-icon {
    position: relative;
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a365d 0%, #2d5a87 50%, #f6ad55 100%);
    border-radius: 12px;
    box-shadow: 
        0 4px 16px rgba(26, 54, 93, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.tech-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-icon:hover::before {
    opacity: 1;
}

.tech-icon:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 24px rgba(26, 54, 93, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 图标内部图形 */
.tech-icon svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: #fff;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    z-index: 2;
    position: relative;
}

/* 特定图标样式 */

/* 机构级服务图标 - 公文包样式 */
.tech-icon.briefcase svg {
    stroke: #fff;
}

/* 创新技术图标 - 芯片/CPU样式 */
.tech-icon.chip {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.tech-icon.chip svg {
    stroke: #fff;
}

/* 风险控制图标 - 盾牌样式 */
.tech-icon.shield {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.tech-icon.shield svg {
    stroke: #fff;
}

/* ETF交易图标 - 图表样式 */
.tech-icon.chart {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.tech-icon.chart svg {
    stroke: #fff;
}

/* IPO服务图标 - 火箭样式 */
.tech-icon.rocket {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.tech-icon.rocket svg {
    stroke: #fff;
}

/* 机构咨询图标 - 银行建筑样式 */
.tech-icon.bank {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.tech-icon.bank svg {
    stroke: #2d5a87;
}

/* 奖杯图标样式 */
.tech-icon.trophy {
    background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
}

.tech-icon.trophy svg {
    stroke: #fff;
}

/* 奖牌图标样式 */
.tech-icon.medal {
    background: linear-gradient(135deg, #c0392b 0%, #8e44ad 100%);
}

.tech-icon.medal svg {
    stroke: #fff;
}

/* 钻石图标样式 */
.tech-icon.diamond {
    background: linear-gradient(135deg, #36d1dc 0%, #5b86e5 100%);
}

.tech-icon.diamond svg {
    stroke: #fff;
}

/* 目标图标样式 */
.tech-icon.target {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

.tech-icon.target svg {
    stroke: #fff;
}

/* 星星图标样式 */
.tech-icon.star {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
}

.tech-icon.star svg {
    stroke: #fff;
}

/* 毕业帽图标样式 */
.tech-icon.graduation {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.tech-icon.graduation svg {
    stroke: #fff;
}

/* 图表线条图标样式 */
.tech-icon.chart-line {
    background: linear-gradient(135deg, #48c6ef 0%, #6f86d6 100%);
}

.tech-icon.chart-line svg {
    stroke: #fff;
}

/* 小尺寸图标变体 */
.tech-icon.small {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.tech-icon.small svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* 超小尺寸图标变体 */
.tech-icon.mini {
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.tech-icon.mini svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

/* 适配现有的feature-icon和service-icon */
.feature-icon.tech-icon,
.service-icon.tech-icon,
.stat-icon.tech-icon {
    font-size: 0; /* 隐藏文字内容 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .tech-icon {
        width: 50px;
        height: 50px;
    }
    
    .tech-icon svg {
        width: 26px;
        height: 26px;
    }
    
    .tech-icon.small {
        width: 36px;
        height: 36px;
    }
    
    .tech-icon.small svg {
        width: 18px;
        height: 18px;
    }
}

/* 语言切换按钮样式 */
.lang-toggle {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: 15px !important;
    padding: 0.3rem 0.8rem !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    min-width: 40px !important;
    text-align: center !important;
    flex-shrink: 0 !important;
}

.lang-toggle:hover {
    background: rgba(246, 173, 85, 0.2) !important;
    border-color: var(--accent-color) !important;
}

/* 应用下载板块样式 */
.download {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #1a365d 0%, #2d5a87 100%);
    color: var(--white);
    overflow: hidden;
}

.download .parallax-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.download-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.download .container {
    position: relative;
    z-index: 2;
}

.download-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* 应用特性展示 */
.app-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.app-features .feature-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.app-features .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.app-features .feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(246, 173, 85, 0.3);
}

.app-features .feature-item:hover::before {
    left: 100%;
}

.app-features .feature-item .feature-icon {
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.app-features .feature-item:hover .feature-icon {
    transform: scale(1.1) rotateY(10deg);
}

.app-features .feature-item h4 {
    margin: 0 0 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.app-features .feature-item p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
    text-align: center;
}

/* 下载选项区域 */
.download-section {
    display: flex;
    gap: 4rem;
    margin-bottom: 4rem;
    align-items: flex-start;
}

.download-options {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 600px;
}

.download-method {
    flex: 1;
    text-align: center;
    min-width: 250px;
}

.download-method h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* 下载按钮 */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, #e97e0f 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 15px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(246, 173, 85, 0.3);
    border: none;
    cursor: pointer;
    min-width: 200px;
    justify-content: center;
}

.download-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(246, 173, 85, 0.4);
    background: linear-gradient(135deg, #e97e0f 0%, var(--accent-color) 100%);
}

.download-btn .download-icon {
    transition: transform 0.3s ease;
}

.download-btn:hover .download-icon {
    transform: translateY(2px);
}

.download-info {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 下载分隔符 */
.download-divider {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
    font-weight: 500;
}

/* 二维码容器 */
.qr-code-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code {
    width: 160px;
    height: 160px;
    background: var(--white);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.qr-code:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.qr-code img {
    border-radius: 8px;
}

.qr-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.qr-placeholder .qr-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin-bottom: 0.5rem;
    width: 40px;
    height: 40px;
}

.qr-placeholder p {
    font-size: 0.85rem;
    margin: 0;
    font-weight: 500;
}

.qr-instruction {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
}

/* 手机预览模型 */
.app-preview {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 540px;
    background: linear-gradient(145deg, #2d3748, #1a202c);
    border-radius: 40px;
    padding: 25px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.phone-mockup:hover {
    transform: translateY(-5px) rotateY(5deg);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 6px;
    background: #4a5568;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a365d 0%, #2d5a87 100%);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
}

.app-interface {
    padding: 2.5rem 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-mini img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.app-header h4 {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
}

.app-stats {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
}

.stat-mini {
    flex: 1;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    padding: 1.2rem 1rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-mini:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat-mini .number {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.3rem;
}

.stat-mini .label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.chart-preview {
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(246, 173, 85, 0.1) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

.chart-line {
    width: 80%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #48c6ef, #6f86d6, var(--accent-color));
    border-radius: 2px;
    position: relative;
    animation: chartPulse 2s ease-in-out infinite;
    box-shadow: 0 2px 10px rgba(246, 173, 85, 0.3);
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

@keyframes chartPulse {
    0%, 100% { opacity: 0.6; transform: translateY(-50%) scaleX(0.8); }
    50% { opacity: 1; transform: translateY(-50%) scaleX(1); }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 应用信息网格 */
.app-info {
    margin-top: 3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-card h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.info-card ul {
    list-style: none;
}

.info-card li {
    padding: 0.3rem 0;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding-left: 1rem;
}

.info-card li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stars {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.rating-score {
    color: var(--white);
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .download-section {
        flex-direction: column;
        gap: 3rem;
    }
    
    .download-options {
        flex-direction: column;
        gap: 2rem;
    }
    
    .download-divider {
        order: 2;
    }
}

@media (max-width: 768px) {
    .download {
        padding: 60px 0;
    }
    
    .app-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .app-features .feature-item {
        min-height: 200px;
        padding: 2rem 1.5rem;
    }
    
    .app-features .feature-item h4 {
        font-size: 1.2rem;
    }
    
    .app-features .feature-item p {
        font-size: 0.9rem;
    }
    
    .download-options {
        gap: 2rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 420px;
        padding: 15px;
    }
    
    .app-interface {
        padding: 1.5rem 1rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .download-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .qr-code {
        width: 120px;
        height: 120px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 360px;
    }
}