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

:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #ff7675;
    --dark-bg: #2d3436;
    --light-bg: #dfe6e9;
    --white: #ffffff;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --border-color: #b2bec3;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-6: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-7: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fa;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand .logo {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-connect {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-connect:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.user-avatar img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.user-avatar img:hover {
    transform: scale(1.1);
}

/* ==================== 主轮播区域 ==================== */
.hero-section {
    padding-top: 120px;
    padding-bottom: 80px;
    background: linear-gradient(180deg, rgba(108, 92, 231, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    position: relative;
    overflow: hidden;
}

.slider-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.slide {
    display: none;
    align-items: center;
    gap: 4rem;
    animation: fadeIn 0.8s ease;
}

.slide.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-content {
    flex: 1;
}

.slide-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.slide-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.slide-buttons {
    display: flex;
    gap: 1rem;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

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

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

.slide-image {
    flex: 1;
    position: relative;
    height: 400px;
}

.nft-showcase {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    border-radius: 20px;
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    width: 200px;
    height: 280px;
    background: var(--gradient-1);
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    width: 180px;
    height: 250px;
    background: var(--gradient-2);
    top: 120px;
    left: 200px;
    animation-delay: 1s;
}

.card-3 {
    width: 160px;
    height: 220px;
    background: var(--gradient-3);
    top: 20px;
    left: 320px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 3rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(108, 92, 231, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

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

/* ==================== 数据统计区域 ==================== */
.stats-section {
    padding: 4rem 0;
    background: white;
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(108, 92, 231, 0.1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

/* ==================== 热门 NFT 展示 ==================== */
.trending-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.section-header {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.view-all {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-all:hover {
    gap: 1rem;
}

.nft-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.nft-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.nft-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.nft-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 20px 20px 0 0;
}

.gradient-1 {
    background: var(--gradient-1);
}

.gradient-2 {
    background: var(--gradient-2);
}

.gradient-3 {
    background: var(--gradient-3);
}

.gradient-4 {
    background: var(--gradient-4);
}

.gradient-5 {
    background: var(--gradient-5);
}

.gradient-6 {
    background: var(--gradient-6);
}

.gradient-7 {
    background: var(--gradient-7);
}

.nft-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nft-card:hover .nft-overlay {
    opacity: 1;
}

.btn-overlay {
    padding: 0.75rem 2rem;
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 30px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.nft-card:hover .btn-overlay {
    transform: translateY(0);
}

.nft-info {
    padding: 1.5rem;
}

.nft-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.nft-creator {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.nft-creator span {
    color: var(--primary-color);
    font-weight: 600;
}

.nft-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.price-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--success-color);
}

/* ==================== 新上市 NFT 列表 ==================== */
.new-arrivals-section {
    padding: 5rem 0;
    background: white;
}

.nft-list {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nft-list-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.nft-list-item:hover {
    background: white;
    box-shadow: var(--shadow);
    transform: translateX(10px);
}

.list-image {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.list-image .image-placeholder {
    border-radius: 12px;
}

.list-info {
    flex: 1;
}

.list-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.list-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.list-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.list-price {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.list-price .price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--success-color);
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    background: var(--gradient-1);
    color: white;
    font-weight: 600;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-sm:hover {
    transform: scale(1.05);
}

/* ==================== 推荐创作者 ==================== */
.creators-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.creators-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.creator-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.creator-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.creator-avatar {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
}

.creator-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
}

.verified-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 30px;
    height: 30px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    border: 3px solid white;
}

.creator-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.creator-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.creator-stats span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.btn-follow {
    padding: 0.75rem 2rem;
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    width: 100%;
    transition: all 0.3s ease;
}

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

/* ==================== 快速入口 ==================== */
.quick-access-section {
    padding: 5rem 0;
    background: white;
}

.quick-access-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.quick-card {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(108, 92, 231, 0.05) 100%);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(108, 92, 231, 0.2);
    cursor: pointer;
}

.quick-card:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.15) 0%, rgba(108, 92, 231, 0.08) 100%);
    border-color: var(--primary-color);
}

.quick-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 20px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.quick-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* ==================== 页脚 ==================== */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: white;
    padding-left: 0.5rem;
}

.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);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .slide {
        flex-direction: column;
        text-align: center;
    }

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

    .slide-buttons {
        justify-content: center;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .nft-list-item {
        flex-direction: column;
    }

    .list-image {
        width: 100%;
        height: 200px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}