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

html,
body {
    max-width: 100vw;
    overflow-x: hidden;
}

:root {
    --primary-gold: #FFD700;
    --secondary-gold: #FFA500;
    --dark-bg: #0a0a0a;
    --card-bg: rgba(20, 20, 20, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-glow: rgba(255, 215, 0, 0.3);
}

body {
    font-family: 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    scroll-behavior: smooth;
    width: 100%;
    position: relative;
}

img,
video,
iframe,
embed,
object {
    max-width: 100%;
    height: auto;
}

html {
    scroll-padding-top: 80px;
    overflow-x: hidden;
    width: 100%;
}

/* 背景动画 */
.background {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

.background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(255, 165, 0, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, -50px) rotate(180deg); }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    padding: 15px 0;
    z-index: 9999;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 5px 30px rgba(255, 215, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu li a:hover {
    color: var(--primary-gold);
    background: rgba(255, 215, 0, 0.1);
}

.nav-menu li a.active {
    color: var(--primary-gold);
    background: rgba(255, 215, 0, 0.15);
}

.nav-menu li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--primary-gold);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-gold);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    padding-top: 80px;
    position: relative;
    z-index: 1;
}

/* 头部 */
header {
    text-align: center;
    padding: 80px 20px 60px;
    position: relative;
}

.logo-section {
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

.main-title {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px var(--accent-glow);
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeIn 1.5s ease-out;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 60px;
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--accent-glow);
    border-color: var(--primary-gold);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 内容区块 */
.section {
    margin: 80px 0;
    animation: fadeIn 1s ease-out;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-gold);
    margin-bottom: 40px;
    position: relative;
    padding-left: 30px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 60%;
    background: linear-gradient(180deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    border-radius: 3px;
}

.content-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.15);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.content-card:hover {
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.1);
}

.card-title {
    font-size: 1.8rem;
    color: var(--primary-gold);
    margin-bottom: 20px;
    font-weight: 700;
}

.card-content {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 列表样式 */
ul {
    list-style: none;
    padding-left: 0;
}

li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
}

li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: bold;
}

/* 表格样式 */
.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 30px 0;
    overflow: hidden;
    border-radius: 12px;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table thead,
.comparison-table tbody,
.comparison-table tr {
    display: table;
    width: 100%;
    table-layout: fixed;
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 165, 0, 0.2) 100%);
    color: var(--primary-gold);
    padding: 20px;
    font-weight: 700;
    text-align: left;
    border-bottom: 2px solid var(--primary-gold);
}

.comparison-table td {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    color: var(--text-secondary);
}

.comparison-table tr:hover {
    background: rgba(255, 215, 0, 0.05);
}

/* 高亮标记 */
.highlight {
    color: var(--primary-gold);
    font-weight: 700;
    text-shadow: 0 0 20px var(--accent-glow);
}

.success-mark {
    color: #00ff00;
}

.fail-mark {
    color: #ff4444;
}

/* 时间轴 */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
}

.timeline-item {
    margin: 40px 0;
    position: relative;
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + 40px);
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-gold);
    border-radius: 50%;
    box-shadow: 0 0 30px var(--accent-glow);
}

.timeline-content {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 16px;
    padding: 30px;
}

.timeline-title {
    font-size: 1.5rem;
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-weight: 700;
}

/* CTA按钮 */
.cta-section {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 100%);
    border-radius: 30px;
    margin: 80px 0;
}

.cta-button {
    display: inline-block;
    padding: 20px 60px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px var(--accent-glow);
    text-decoration: none;
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 60px var(--accent-glow);
}

/* 网格布局 */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid var(--primary-gold);
    border-radius: 20px;
    color: var(--primary-gold);
    font-size: 0.9rem;
    font-weight: 600;
    margin: 5px;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 60px 20px;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    margin-top: 100px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        padding: 20px;
        gap: 10px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .container {
        padding: 0 15px;
        padding-top: 80px;
    }

    .main-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2rem;
        padding-left: 20px;
    }

    .content-card {
        padding: 25px 20px;
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 10px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: 60px;
        padding-right: 0;
    }

    .timeline-dot {
        left: 20px;
        transform: translateX(-50%);
    }

    .number-box {
        font-size: 1rem;
        padding: 8px 15px;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1.2rem;
    }

    .main-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.5rem;
        padding-left: 15px;
    }

    .card-title {
        font-size: 1.4rem;
    }

    .content-card {
        padding: 20px 15px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 0.95rem;
    }

    .grid-2, .grid-3 {
        gap: 15px;
    }

    .comparison-table {
        font-size: 0.75rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 8px;
    }

    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .cta-button {
        padding: 15px 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 10px;
        padding-top: 80px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.3rem;
        padding-left: 10px;
    }

    .content-card {
        padding: 15px 10px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .card-title {
        font-size: 1.2rem;
    }

    .comparison-table {
        font-size: 0.7rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 5px;
    }

    .badge {
        font-size: 0.7rem;
        padding: 5px 10px;
    }

    .number-box {
        font-size: 0.9rem;
        padding: 6px 12px;
    }

    .grid-2, .grid-3 {
        gap: 10px;
    }
}

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin: 15px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    border-radius: 4px;
    transition: width 1s ease-out;
}

/* 数字高亮框 */
.number-box {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 215, 0, 0.15);
    border: 2px solid var(--primary-gold);
    border-radius: 12px;
    color: var(--primary-gold);
    font-weight: 800;
    font-size: 1.2rem;
    margin: 5px;
}

/* 引用框 */
.quote-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, rgba(255, 165, 0, 0.05) 100%);
    border-left: 4px solid var(--primary-gold);
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* 图标样式 */
.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    vertical-align: middle;
}

/* 分隔线 */
.divider {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-gold) 50%, transparent 100%);
    margin: 60px 0;
}