/* ==================== ROOT & VARIABLES ==================== */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f1117;
    --darker-bg: #0a0d14;
    --card-bg: #151b24;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --success: #3fb950;
    --danger: #da3633;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 多语言字体配置 */
    --font-zh: -apple-system, "SF Pro SC", "SF Pro TC", BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --font-en: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
}

/* ==================== LIGHT THEME ==================== */
[data-theme="light"] {
    --dark-bg: #f9fafb;
    --darker-bg: #f0f3f8;
    --card-bg: #ffffff;
    --border-color: #d5dae3;
    --text-primary: #0f1117;
    --text-secondary: #424a52;
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-zh);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 多语言字体优化 */
html[lang="zh-CN"] {
    font-family: var(--font-zh);
}

html[lang="en-US"] {
    font-family: var(--font-en);
}

/* 语言可见性类 */
.lang-visible {
    visibility: visible;
    opacity: 1;
}

.lang-hidden {
    visibility: hidden;
    opacity: 0;
}

/* ==================== CONTAINER & LAYOUT ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== NAVIGATION ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, rgba(10, 12, 18, 0.95) 0%, rgba(20, 25, 40, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: linear-gradient(90deg, rgba(10, 12, 18, 0.98) 0%, rgba(20, 25, 40, 0.95) 100%);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
    border-bottom: 1px solid rgba(99, 102, 241, 0.25);
}

/* Light theme navbar */
[data-theme="light"] .navbar {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.9) 100%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .navbar.scrolled {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 250, 251, 0.95) 100%);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.08);
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

/* Light theme - enhance text contrast */
[data-theme="light"] .section-desc,
[data-theme="light"] .card-desc,
[data-theme="light"] p {
    color: var(--text-secondary);
}

[data-theme="light"] .section-title,
[data-theme="light"] .card-title,
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6 {
    color: var(--text-primary);
}

/* Light theme - softer backgrounds */
[data-theme="light"] .feature-card,
[data-theme="light"] .product-card,
[data-theme="light"] .guide-card,
[data-theme="light"] .faq-item {
    background: #ffffff;
    border-color: #d5dae3;
}

[data-theme="light"] .section-desc {
    color: #566575;
}

[data-theme="light"] .feature-list li,
[data-theme="light"] .card-features li {
    color: #424a52;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    gap: 20px;
}

.nav-container > * {
    display: flex;
    align-items: center;
}

.nav-container > .theme-toggle,
.nav-container > .menu-toggle {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.85;
}

.logo-image {
    height: 45px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 14px;
    border-radius: 6px;
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.08);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 2px solid var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==================== THEME TOGGLE ==================== */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--border-color);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--card-bg);
    border-radius: 8px;
    left: 3px;
    transition: left var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    background: var(--primary-color);
    opacity: 0.9;
}

[data-theme="light"] .theme-toggle {
    background: var(--border-color);
}

[data-theme="light"] .theme-toggle::before {
    left: 23px;
}

/* ==================== LANGUAGE SWITCHER (TOP RIGHT) ==================== */

/* 导航菜单中的语言切换按钮容器 */
.nav-lang-switcher-wrapper {
    display: flex !important;
    align-items: center;
    margin-left: auto;
    margin-right: 0;
}

/* 顶部右侧语言切换按钮 */
.lang-switcher-topright {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.lang-switcher-topright:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(139, 92, 246, 0.2) 100%);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.lang-switcher-topright:active {
    transform: translateY(0);
}

.lang-switcher-topright .lang-separator {
    opacity: 0.5;
}

.lang-switcher-topright .lang-zh {
    font-weight: 700;
    color: var(--primary-color);
}

.lang-switcher-topright .lang-en {
    opacity: 0.7;
}

.lang-switcher-topright[data-lang="en"] .lang-zh {
    opacity: 0.7;
}

.lang-switcher-topright[data-lang="en"] .lang-en {
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 1;
}

/* ==================== LANGUAGE SWITCHER (MENU) ==================== */

.language-switcher {
    margin-left: 15px;
    display: flex;
    align-items: center;
}

.lang-toggle {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.lang-toggle:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(139, 92, 246, 0.2) 100%);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.lang-toggle:active {
    transform: translateY(0);
}

.lang-toggle.lang-switching {
    animation: langPulse 0.3s ease-out;
}

.lang-current {
    font-weight: 700;
    color: var(--primary-color);
}

.lang-separator {
    opacity: 0.5;
}

.lang-other {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.lang-toggle[data-lang="en"] .lang-current {
    color: var(--secondary-color);
}

.lang-toggle[data-lang="en"] .lang-other {
    opacity: 0.5;
}

@keyframes langPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: linear-gradient(180deg, rgba(10, 12, 18, 0.98) 0%, rgba(20, 25, 40, 0.95) 100%);
        border-bottom: 1px solid rgba(99, 102, 241, 0.2);
        padding: 15px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        backdrop-filter: blur(20px);
    }

    [data-theme="light"] .nav-menu {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 250, 251, 0.95) 100%);
        border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-link {
        padding: 12px 15px;
        border-bottom: none;
        display: block;
        border-radius: 6px;
        transition: all var(--transition-fast);
        margin-bottom: 5px;
    }

    .nav-link:hover {
        background: rgba(99, 102, 241, 0.1);
    }

    .nav-link::after {
        display: none;
    }

    .language-switcher {
        margin-left: 0;
        padding: 12px 0;
        border-top: 1px solid var(--border-color);
    }

    .lang-toggle {
        width: 100%;
        justify-content: center;
        padding: 10px 20px;
    }
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
    transform: translateY(-2px);
}

.btn-primary .btn-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3), rgba(255,255,255,0));
    opacity: 0;
    animation: glow-pulse 2s ease-in-out infinite;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    overflow: hidden;
}

.background-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 80% at 50% 0%,
        rgba(99, 102, 241, 0.15) 0%,
        rgba(139, 92, 246, 0.1) 30%,
        transparent 100%);
    pointer-events: none;
}

.particle-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.hero-text {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    animation: slideInRight 0.8s ease-out;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.2);
}

/* ==================== TRADING PANEL ==================== */
.trading-panel {
    background: linear-gradient(135deg, rgba(21, 27, 36, 0.8) 0%, rgba(51, 65, 85, 0.4) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.2);
    animation: float 6s ease-in-out infinite;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-weight: 600;
    color: var(--text-primary);
}

.status-indicator {
    width: 12px;
    height: 12px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--success);
}

.chart-container {
    height: 300px;
    margin-bottom: 20px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    padding: 20px;
}

.panel-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.stat {
    background: rgba(99, 102, 241, 0.1);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
        justify-content: center;
    }
}

/* ==================== PRODUCT SECTION ==================== */
.products {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
}

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

.product-card {
    background: linear-gradient(135deg, rgba(21, 27, 36, 0.8) 0%, rgba(51, 65, 85, 0.4) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all var(--transition-base);
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
    transform: translateY(-8px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: inline-block;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-features {
    list-style: none;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.card-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.card-features li:before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 8px;
}

/* ==================== TECHNOLOGY SECTION ==================== */
.technology {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.tech-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all var(--transition-base);
    text-align: center;
}

.tech-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: inline-block;
    transition: transform var(--transition-base);
}

.tech-card:hover .tech-icon {
    transform: scale(1.2) rotate(10deg);
}

.tech-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.tech-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.tech-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ==================== RESEARCH SECTION ==================== */
.research {
    background: linear-gradient(180deg, transparent 0%, rgba(139, 92, 246, 0.05) 100%);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.research-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.research-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.2);
    transform: translateY(-5px);
}

.research-category {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    width: fit-content;
}

.research-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.research-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-block;
}

.read-more:hover {
    gap: 8px;
    margin-left: 5px;
}

/* ==================== GUIDE SECTION ==================== */
.guide {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
}

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

.guide-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all var(--transition-base);
}

.guide-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.guide-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.guide-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==================== FAQ SECTION ==================== */
.faq {
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
}

.faq-grid {
    display: grid;
    gap: 15px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-base);
    text-align: left;
}

.faq-question:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.faq-toggle {
    font-size: 1.5rem;
    transition: transform var(--transition-base);
    display: inline-block;
    min-width: 24px;
    text-align: right;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: rgba(99, 102, 241, 0.05);
}

.faq-item.active .faq-answer {
    max-height: 3000px;
    padding: 20px 25px;
}

.faq-answer p {
    padding: 0 0 20px 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer p:last-child {
    padding-bottom: 25px;
}

/* ==================== FEATURES SECTION ==================== */
.features {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
}

.features-list {
    display: grid;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.feature-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 30px;
    align-items: start;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .feature-item {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== STATISTICS SECTION ==================== */
.statistics {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-box {
    background: linear-gradient(135deg, rgba(21, 27, 36, 0.8) 0%, rgba(51, 65, 85, 0.4) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: all var(--transition-base);
}

.stat-box:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
    display: block;
}

.stat-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==================== CTA SECTION ==================== */
.cta {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.cta p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-section:first-child p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.footer-disclaimer {
    background: rgba(99, 102, 241, 0.05);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.footer-disclaimer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-disclaimer strong {
    color: var(--primary-color);
}

.footer-copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-copyright p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-copyright .separator {
    color: var(--border-color);
}

.footer-copyright a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-copyright a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
    transform: translateY(-5px);
}

.scroll-top::before {
    content: '↑';
    font-size: 1.5rem;
    font-weight: bold;
}

/* ==================== RESPONSIVE ADJUSTMENTS ==================== */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .section-desc {
        font-size: 1rem;
    }

    .products-grid,
    .tech-grid,
    .research-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        right: 20px;
        bottom: 20px;
    }

    /* 顶部语言切换按钮在移动端缩小 */
    .lang-switcher-topright {
        padding: 5px 10px;
        font-size: 0.75rem;
        margin-right: 0;
    }

    .nav-lang-switcher-wrapper {
        margin-right: 15px;
    }

    .lang-switcher-topright .lang-separator {
        margin: 0 4px;
    }

    /* 移动端菜单中的语言切换 */
    .language-switcher {
        margin-left: 0;
        padding: 12px 0;
        border-top: 1px solid var(--border-color);
    }

    .lang-toggle {
        width: 100%;
        justify-content: center;
        padding: 10px 20px;
    }
}

/* ==================== HYPERLIQUID HIGHLIGHTS SECTION ==================== */
.hyperliquid-highlights {
    background: linear-gradient(135deg, rgba(15, 17, 23, 0.5) 0%, rgba(99, 102, 241, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hyperliquid-highlights::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.features-showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.feature-showcase-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.feature-showcase-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
    transform: translateY(-5px);
}

.feature-image-wrapper {
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    padding: 0;
}

.feature-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.feature-showcase-card:hover .feature-img {
    transform: scale(1.03);
}

.feature-info {
    padding: 20px;
}

.feature-info h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ==================== HYPE TOKEN SECTION ==================== */
.hype-token {
    background: linear-gradient(135deg, rgba(15, 17, 23, 0.8) 0%, rgba(139, 92, 246, 0.05) 100%);
    position: relative;
}

.hype-token::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    left: -100px;
    z-index: 0;
}

.token-full-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.token-economics-section,
.price-market-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.subsection-title {
    font-size: 1.6rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.token-distribution-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.token-chart-img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    border-radius: 8px;
    padding: 10px;
}

.token-legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.token-legend h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.token-legend ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.token-legend li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.color-box {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex-shrink: 0;
}

.token-benefits-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-item-mini {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 15px;
    text-align: center;
    transition: all var(--transition-base);
}

.benefit-item-mini:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    transform: translateY(-3px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}

.benefit-item-mini h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.benefit-item-mini p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Price Market Section */
.price-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.price-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.price-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.15);
    transform: translateY(-3px);
}

.price-img {
    width: 100%;
    height: auto;
    max-height: 150px;
    object-fit: contain;
    padding: 8px;
    transition: transform var(--transition-base);
}

.price-card:hover .price-img {
    transform: scale(1.02);
}

.price-info {
    padding: 12px;
}

.price-info h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.price-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ==================== RESPONSIVE - HIGHLIGHTS & TOKEN ==================== */
@media (max-width: 1024px) {
    .highlights-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .token-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .highlight-card {
        padding: 25px;
    }

    .highlight-card h3 {
        font-size: 1.4rem;
    }

    .highlights-features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .token-legend {
        padding: 20px;
    }

    .benefit-item {
        padding: 15px;
        gap: 15px;
    }
}

/* ==================== MARKET COMPARISON SECTION ==================== */
.market-comparison {
    background: linear-gradient(135deg, rgba(15, 17, 23, 0.5) 0%, rgba(99, 102, 241, 0.08) 100%);
    position: relative;
}

.market-comparison::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -300px;
    right: -200px;
    z-index: 0;
}

.comparison-table {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-bottom: 2px solid var(--border-color);
}

.table-cell {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
}

.table-cell:last-child {
    border-right: none;
}

.feature-col {
    justify-content: flex-start;
    text-align: left;
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.table-row:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
}

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

.feature-name {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.badge.green {
    background: linear-gradient(135deg, rgba(63, 185, 80, 0.2) 0%, rgba(63, 185, 80, 0.1) 100%);
    color: #3fb950;
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge.gray {
    background: linear-gradient(135deg, rgba(139, 148, 158, 0.1) 0%, rgba(139, 148, 158, 0.05) 100%);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ==================== ECOSYSTEM HIGHLIGHTS SECTION ==================== */
.ecosystem-highlights {
    background: linear-gradient(135deg, rgba(15, 17, 23, 0.7) 0%, rgba(139, 92, 246, 0.08) 100%);
    position: relative;
}

.ecosystem-highlights::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -200px;
    right: -100px;
    z-index: 0;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    position: relative;
    z-index: 1;
}

.ecosystem-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.ecosystem-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
    transform: translateY(-8px);
}

.ecosystem-image {
    width: 100%;
    height: auto;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 12px;
}

.ecosystem-img {
    width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.ecosystem-card:hover .ecosystem-img {
    transform: scale(1.03);
}

.ecosystem-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ecosystem-content h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.ecosystem-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}

.ecosystem-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.15) 100%);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 6px;
    border: 1px solid var(--primary-color);
    width: fit-content;
}

/* ==================== RESPONSIVE - HIGHLIGHTS & TOKEN ==================== */
@media (max-width: 1024px) {
    .token-full-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

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

    .token-benefits-list {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .price-showcase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .features-showcase-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .feature-image-wrapper {
        min-height: 180px;
        max-height: 250px;
    }

    .feature-img {
        max-height: 240px;
    }

    .feature-info {
        padding: 15px;
    }

    .token-benefits-list {
        grid-template-columns: 1fr;
    }

    .ecosystem-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .ecosystem-image {
        min-height: 130px;
        max-height: 190px;
    }

    .ecosystem-img {
        max-height: 180px;
    }

    .ecosystem-content {
        padding: 15px;
    }

    .price-img {
        max-height: 130px;
    }
}

/* ==================== RESPONSIVE - COMPARISON TABLE ==================== */
@media (max-width: 1024px) {
    .table-header,
    .table-row {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .table-cell {
        padding: 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .table-header {
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
        padding: 15px;
        border-bottom: 2px solid var(--border-color);
    }

    .table-cell {
        padding: 10px 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        justify-content: flex-start;
        text-align: left;
    }

    .table-cell:last-child {
        border-bottom: none;
    }

    .table-row {
        border-bottom: 2px solid var(--border-color);
        padding: 15px;
    }

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

    .feature-col::before {
        content: '';
        display: block;
        margin-right: 10px;
    }
}