/* ========== 首页样式 - 科技感现代风格 ========== */
:root {
    --primary-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #00d4ff 100%);
    --bg-dark: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent-cyan: #00d4ff;
    --accent-purple: #7c3aed;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glow-color: rgba(0, 212, 255, 0.3);
}

/* 浅色主题 */
[data-theme="light"] {
    --primary-gradient: linear-gradient(135deg, #3B82F6 0%, #06B6D4 50%, #3B82F6 100%);
    --bg-dark: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.6);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-cyan: #0891b2;
    --accent-purple: #7c3aed;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(59, 130, 246, 0.15);
    --glow-color: rgba(59, 130, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========== 动态背景 ========== */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--bg-dark);
    transition: background 0.3s ease;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
    animation: bgRotate 30s linear infinite;
}

@keyframes bgRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

[data-theme="light"] .grid-overlay {
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 100px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.08);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 2.75rem;
    height: 2.75rem;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 0 30px var(--glow-color);
    animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {
    0%, 100% { box-shadow: 0 0 20px var(--glow-color); }
    50% { box-shadow: 0 0 40px var(--glow-color), 0 0 60px rgba(0, 212, 255, 0.2); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 0 20px var(--glow-color);
}

.user-avatar:hover {
    transform: scale(1.1);
    border-color: var(--accent-cyan);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    width: 280px;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    border: 1px solid var(--glass-border);
}

[data-theme="light"] .dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--glass-bg);
    color: var(--accent-cyan);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--accent-cyan);
}

.dropdown-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 0.5rem 0;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    background: var(--accent-cyan);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--glow-color);
}

[data-theme="light"] .theme-toggle {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="light"] .theme-toggle:hover {
    background: var(--accent-cyan);
    color: white;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* ========== 英雄区域 ========== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite 2s;
}

[data-theme="light"] .hero-section::before {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

[data-theme="light"] .hero-section::after {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h1 {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.75rem;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.hero-content h1 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 520px;
}

[data-theme="light"] .hero-content h1 {
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.badge-item i {
    color: var(--accent-cyan);
    font-size: 1.1rem;
}

.hero-visual {
    position: relative;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.hero-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    perspective: 1000px;
}

.floating-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 24px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.floating-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);
}

.floating-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.floating-card:nth-child(1) {
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation: float 6s ease-in-out infinite 1.5s;
    margin-top: 2rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.floating-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.floating-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.floating-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== 轮播图区域 ========== */
.carousel-section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

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

[data-theme="light"] .section-header h2 {
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.container_poker {
    margin: 0 auto;
    padding-top: 90px;
    width: 45rem;
    height: 25rem;
    position: relative;
}

.poker, .poker_top {
    position: absolute;
    width: 20rem;
    height: 26rem;
    border: 0.15rem solid var(--glass-border);
    border-radius: 1.5rem;
    background-color: rgba(255, 255, 255, 0.02);
    transform-origin: bottom left;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.poker img, .poker_top img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.poker_top {
    background-color: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    z-index: 1000;
}

.poker_top:hover {
    background-color: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px var(--glow-color);
}

.poker1 { transform: rotate(-10deg); }
.poker2 { transform: rotate(-6deg) translate(35%, -12%); }
.poker3 { transform: rotate(-2deg) translate(65%, -19%); }
.poker4 { transform: rotate(2deg) translate(95%, -26%); }
.poker5 { transform: rotate(6deg) translate(125%, -23%); }

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.carousel-nav:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 30px var(--glow-color);
}

.carousel-nav.prev { left: 1rem; }
.carousel-nav.next { right: 1rem; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: var(--accent-cyan);
    width: 30px;
    border-radius: 5px;
    box-shadow: 0 0 15px var(--glow-color);
}

/* ========== 功能区域 ========== */
.features-section {
    padding: 8rem 0;
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4), 0 0 60px var(--glow-color);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.5);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ========== 统计区域 ========== */
.stats-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.05) 50%, transparent 100%);
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.stats-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

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

/* ========== 页脚 ========== */
.footer {
    padding: 5rem 0 2rem;
    background: rgba(5, 5, 15, 0.8);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    position: relative;
    transition: background 0.3s ease;
}

[data-theme="light"] .footer {
    background: rgba(241, 245, 249, 0.9);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-col p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.footer-links li {
    margin-bottom: 0.85rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--accent-cyan);
    transform: translateX(5px);
}

.footer-links li i {
    color: var(--accent-cyan);
    width: 16px;
}

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

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px var(--glow-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

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

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-bottom a:hover {
    color: var(--accent-cyan);
}

/* ========== 滚动动画 ========== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .navbar-container {
        padding: 0.75rem 1.5rem;
        border-radius: 60px;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links.active {
        display: flex;
        position: fixed;
        top: 80px;
        left: 1rem;
        right: 1rem;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        border-radius: 20px;
        border: 1px solid var(--glass-border);
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.85rem 1.25rem;
        width: 100%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

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

    .hero-actions .btn {
        width: 100%;
    }

    .hero-badges {
        flex-direction: column;
        gap: 1rem;
    }

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

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

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

    .section-header h2 {
        font-size: 2rem;
    }

    .container_poker {
        width: 100%;
        max-width: 350px;
        height: 20rem;
    }

    .poker, .poker_top {
        width: 15rem;
        height: 20rem;
    }

    /* QQ群弹窗平板/手机适配 */
    .qq-modal-content {
        padding: 1.5rem;
        margin: 0 1rem;
    }

    .qq-modal-qrcode {
        width: 200px;
        height: 200px;
    }

    .footer-qrcode {
        width: 110px;
        height: 110px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

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

    .floating-card:nth-child(2) {
        margin-top: 0;
    }

    .navbar-container {
        border-radius: 50px;
        padding: 0.6rem 1rem;
    }

    .logo-icon {
        width: 2.25rem;
        height: 2.25rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    /* QQ群弹窗移动端适配 */
    .qq-modal-content {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }

    .qq-modal-qrcode {
        width: 180px;
        height: 180px;
    }

    .qq-modal-header h3 {
        font-size: 1.25rem;
    }

    .footer-qrcode {
        width: 100px;
        height: 100px;
    }
}

/* ========== 移动端导航激活状态 ========== */
.nav-links.active {
    position: fixed;
    top: 80px;
    left: 1rem;
    right: 1rem;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    z-index: 999;
    gap: 0.5rem;
}

/* ========== QQ群二维码弹窗 ========== */
.qq-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1rem;
}

.qq-modal.active {
    opacity: 1;
    visibility: visible;
}

.qq-modal-content {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    max-width: 420px;
    width: 100%;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.qq-modal.active .qq-modal-content {
    transform: scale(1) translateY(0);
}

.qq-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.qq-modal-close:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: white;
    transform: rotate(90deg);
}

.qq-modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.qq-modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.qq-modal-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.qq-modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.qq-modal-qrcode {
    width: 220px;
    height: 220px;
    border-radius: 16px;
    border: 2px solid var(--glass-border);
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.qq-modal-qrcode:hover {
    transform: scale(1.05);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px var(--glow-color);
}

.qq-modal-info {
    text-align: center;
}

.qq-modal-info p {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.qq-modal-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.qq-modal-footer .btn {
    width: 100%;
    justify-content: center;
}

/* ========== 页脚二维码 ========== */
.footer-qq-group {
    text-align: center;
}

.footer-qrcode {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    border: 2px solid var(--glass-border);
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: block;
    margin: 0 auto;
}

.footer-qrcode:hover {
    transform: scale(1.15);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 25px var(--glow-color);
}

/* ========== 二维码悬停放大效果 ========== */
.qrcode-hover-zoom {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.qrcode-hover-zoom:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--glow-color);
}