/* 添加字体 */
@font-face {
    font-family: 'PowerGrotesk';
    src: url('../assets/fonts/PowerGrotesk-UltraBold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
}

@font-face {
    font-family: 'MabryPro';
    src: url('../assets/fonts/MabryPro-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

:root {
    --primary-color: #26fce9;
    --secondary-color: #000000; /* 改为纯黑色 */
    --text-color: #ffffff;
    --card-bg: rgba(0, 0, 0, 0.8); /* 更深的背景色 */
    --max-width: 1300px;
}

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

body {
    font-family: 'MabryPro', sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.logo img {
    height: 40px;
}

/* Hero Section */
.hero {
    padding-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 添加视频背景样式 */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* 更新遮罩层样式 */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, #001a1f 100%);
    opacity: 0.5;
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.subtitle {
    font-family: 'PowerGrotesk', sans-serif;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.title {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 4rem; /* 稍微加大标题 */
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 300px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(38, 252, 233, 0.2);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(38, 252, 233, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn.primary {
    background: linear-gradient(90deg, rgba(38, 252, 233, 0.2) 0%, rgba(38, 252, 233, 0.3) 100%); /* 增加不透明度 */
    color: var(--primary-color);
}

.btn.primary:hover::before {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.1;
}

.btn.secondary {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn.secondary:hover::before {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.05;
}

/* Features Section */
.features {
    margin-top: -120px; /* 调整为卡片高度的一半左右 */
    position: relative;
    z-index: 2;
    padding-bottom: 3rem;
}

.features-card {
    background: rgba(0, 4, 5, 0.7);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(3px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.features-card.active {
    opacity: 1;
    transform: translateY(0);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem; /* 减小间距 */
}

.feature-item {
    padding: 1rem; /* 减小内边距 */
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.features-card.active .feature-item {
    opacity: 1;
    transform: translateY(0);
}

.features-card.active .feature-item:nth-child(1) {
    transition-delay: 0.2s;
}

.features-card.active .feature-item:nth-child(2) {
    transition-delay: 0.4s;
}

.features-card.active .feature-item:nth-child(3) {
    transition-delay: 0.6s;
}

.features-card.active .feature-item:nth-child(4) {
    transition-delay: 0.8s;
}

.feature-item h3 {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-family: 'MabryPro', sans-serif;
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-video {
        height: 100vh;
    }

    .hero {
        padding-top: 80px;
        min-height: 100vh;
    }

    .hero .title {
        font-size: 2.5rem;
        padding: 0 1rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .hero .description {
        font-size: 1rem;
        padding: 0 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        padding: 0 2rem;
    }

    .btn {
        width: auto; /* 取消全宽 */
        min-width: 200px; /* 设置最小宽度 */
        max-width: 280px; /* 设置最大宽度 */
    }

    .features {
        margin-top: -60px;
    }

    .features-card {
        margin: 0 1rem;
        padding: 1.5rem;
    }

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

    .feature-item {
        text-align: center;
        padding: 0;
    }

    .title {
        font-size: 2.5rem;
    }
    
    .features-card {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* About Section */
.about {
    padding: 6rem 0;
    background: linear-gradient(180deg, #000000 0%, #000405 100%); /* 更深的背景色 */
}

.section-title {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 3rem;
    text-align: center;
}

.mission {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.mission h3 {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.advantages {
    position: relative;
    padding: 0 2rem;
}

/* Advantages Carousel */
.carousel-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 3rem -1rem 0;
    padding: 0 1rem;
}

.carousel-wrapper {
    overflow: hidden;
    width: 100%;
}

.advantages-grid {
    display: flex;
    gap: 2rem;
    transition: transform 0.3s ease;
}

.advantage-item {
    flex: 0 0 calc((100% - 64px) / 3); /* 桌面端默认宽度 */
    padding: 1rem;
    text-align: center;
}

.carousel-arrow {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: rgba(38, 252, 233, 0.1);
    border: 1px solid rgba(38, 252, 233, 0.2);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    flex-shrink: 0; /* 防止按钮被压缩 */
}

.carousel-arrow:hover {
    background: rgba(38, 252, 233, 0.15);
    transform: translateY(-2px);
}

.carousel-arrow svg {
    width: 20px;
    height: 20px;
}

.carousel-arrow.prev {
    left: 0;
}

.carousel-arrow.next {
    right: 0;
}

.advantage-icon {
    width: 100%;
    max-width: 280px;
    height: auto;
    aspect-ratio: 1;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 保持图片比例 */
}

.advantage-item h4 {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.advantage-item p {
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 768px) {
    /* Steps 移动端优化 */
    .steps-grid {
        padding: 0 1rem;
    }

    .steps-grid .first-row,
    .steps-grid .second-row {
        display: flex;
        flex-direction: column !important;
        gap: 2rem !important;
        width: 100%;
        margin: 0 !important; /* 移除任何可能的外边距 */
    }

    .step-item {
        width: 100%;
        margin: 0 !important;
    }

    /* 强制所有相邻元素之间的间距一致 */
    .step-item + .step-item {
        margin-top: 2rem !important;
    }

    /* 确保第一行和第二行之间的间距也是 2rem */
    .first-row + .second-row {
        margin-top: 2rem !important;
    }

    /* Carousel 移动端优化 */
    .carousel-container {
        margin: 2rem -1rem;
        padding: 0;
    }

    .carousel-wrapper {
        overflow: hidden;
        padding: 0 1rem;
    }

    .advantages-grid {
        display: flex;
        gap: 2rem;
    }

    .advantage-item {
        flex: 0 0 100%;
        padding: 0 1rem;
    }

    .advantage-icon {
        width: 200px;
        height: 200px;
        margin: 0 auto 1.5rem;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
        min-width: 40px;
        position: absolute;
    }

    .carousel-arrow.prev {
        left: 0;
    }

    .carousel-arrow.next {
        right: 0;
    }
}

/* Steps Section */
.steps {
    padding: 6rem 0;
    background: linear-gradient(180deg, #000405 0%, #000000 100%); /* 与 About 部分平滑过渡 */
    margin-top: -1px;
}

.steps-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* 第一行容器 */
.steps-grid .first-row {
    display: flex;
    justify-content: center;
    gap: 6rem;
}

/* 第二行容器 */
.steps-grid .second-row {
    display: flex;
    justify-content: space-between;
    padding: 0 0.2rem; /* 让两端的间距稍微内收一点 */
}

.step-item {
    display: flex;
    align-items: center;
    gap: 0;
}

.step-number {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1rem;
    color: #26fce9;
    padding-right: 1rem; /* 减少右侧padding */
    position: relative;
    text-shadow: 0 0 10px rgba(38, 252, 233, 0.5);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.step-number::after {
    content: '';
    position: absolute;
    right: 0.2rem; /* 将竖线往左移 */
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 1.2em;
    background-color: rgba(38, 252, 233, 0.3);
}

.step-item.active .step-number {
    opacity: 1;
    transform: scale(1);
}

.step-title {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.25rem;
    color: var(--text-color);
    letter-spacing: 0.05em;
    padding-left: 0.5rem; /* 减少左侧padding */
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
    transition-delay: 0.2s;
}

.step-item.active .step-title {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step-item,
    .step-item:nth-child(3),
    .step-item:nth-child(4),
    .step-item:nth-child(5) {
        grid-column: span 1;
        grid-row: auto;
    }
}

/* How to Use Section */
.how-to-use {
    padding: 6rem 0;
    background: #000000;
    position: relative;
}

.steps-timeline {
    position: relative;
    padding: 4rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: transparent;
    transform: translateX(-50%);
    z-index: 1; /* 确保在最底层 */
}

.progress-line {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, var(--primary-color) 0%, transparent 100%); /* 改为主题色渐变到透明 */
    transition: height 0.5s ease;
    z-index: 1;
}

.timeline-step {
    display: grid;
    grid-template-columns: 1fr 80px 1fr; /* 保持中间列宽度不变 */
    gap: 0 3rem; /* 增加水平间距 */
    align-items: center;
    margin-bottom: 8rem;
    opacity: 1;
}

.timeline-step.active {
    opacity: 1;
}

.step-content {
    padding: 2rem 3rem; /* 增加左右内边距 */
}

.step-content.left {
    text-align: right;
    padding-right: 4rem; /* 增加右侧内边距 */
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.step-content.right {
    text-align: left;
    padding-left: 4rem; /* 增加左侧内边距 */
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.timeline-step.active .step-content.left,
.timeline-step.active .step-content.right {
    opacity: 1;
    transform: translateX(0);
}

.step-content h3 {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.step-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.8;
}

.step-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    padding: 0.75rem;
    border-radius: 50%;
    background: rgba(38, 252, 233, 0.1);
    border: 1px solid rgba(38, 252, 233, 0.2);
    transition: all 0.3s ease;
    position: relative;
    z-index: 3; /* 增加 z-index 确保在进度条上方 */
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

/* 给图标容器添加白色背景，确保完全遮住进度条 */
.step-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000000;
    border-radius: 50%;
    z-index: -1;
}

.timeline-step.active .step-icon {
    opacity: 1;
    transform: scale(1);
}

.step-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.step-icon.active img {
    opacity: 1;
}

.step-image {
    max-width: 620px;
    opacity: 1; /* 让图片更清晰 */
    opacity: 0;
    transition: all 0.8s ease;
}

.step-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.step-image.left {
    transform: translateX(-30px);
}

.step-image.right {
    transform: translateX(30px);
}

.timeline-step.active .step-image {
    opacity: 1;
    transform: translateX(0);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .timeline-step {
        grid-template-columns: 1fr;
        margin-bottom: 4rem;
    }

    .timeline-line {
        left: 25px;
    }

    .step-icon {
        margin: 0;
        position: absolute;
        left: 0;
    }

    .step-content.left,
    .step-content.right {
        text-align: left;
        padding: 0 0 0 60px;
    }

    .step-image {
        margin: 1.5rem 0;
        padding: 0;
    }

    .step-image img {
        border-radius: 8px;
    }
}

/* Tokenomics Section */
.tokenomics {
    padding: 4rem 0 6rem;
    background: linear-gradient(180deg, #000000 0%, #000405 50%, #000000 100%); /* 更深的渐变色 */
}

/* 移除 token-info 的宽度限制 */
.token-info {
    margin: 0 auto;
}

/* 基础信息样式优化 */
.token-basic {
    display: flex;
    justify-content: center;
    gap: 6rem; /* 增加间距 */
    margin-bottom: 6rem; /* 增加底部间距 */
}

.token-item {
    text-align: center;
    position: relative;
}

/* 添加分隔符 */
.token-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -3rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, rgba(38, 252, 233, 0.2), transparent);
}

.token-label {
    font-family: 'PowerGrotesk', sans-serif;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.token-value {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 2.75rem;
    color: var(--text-color);
    background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 功能卡片样式优化 */
.token-utilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}

.utility-item {
    text-align: center;
    padding: 2.5rem;
    background: rgba(38, 252, 233, 0.02); /* 降低背景透明度 */
    border: 1px solid rgba(38, 252, 233, 0.08); /* 降低边框透明度 */
    border-radius: 24px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.utility-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(38, 252, 233, 0.2), transparent);
}

.utility-item:hover {
    background: rgba(38, 252, 233, 0.04);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5); /* 加深阴影 */
}

.utility-icon {
    width: 56px; /* 减小尺寸 */
    height: 56px; /* 减小尺寸 */
    margin: 0 auto 1.5rem; /* 减少底部间距 */
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(38, 252, 233, 0.06);
    border-radius: 50%;
    color: var(--primary-color);
    position: relative;
}

.utility-icon::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(45deg, transparent, rgba(38, 252, 233, 0.1), transparent);
    z-index: -1;
}

.utility-item h3 {
    font-family: 'PowerGrotesk', sans-serif;
    font-size: 1.25rem; /* 减小字体大小 */
    color: var(--primary-color);
    margin-bottom: 1rem; /* 减少底部间距 */
}

.utility-item p {
    font-size: 1rem; /* 稍微减小字体大小 */
    line-height: 1.6;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .token-basic {
        flex-direction: column;
        gap: 3rem;
        margin-bottom: 4rem;
    }

    .token-item:not(:last-child)::after {
        display: none;
    }

    .token-value {
        font-size: 2rem;
    }

    .token-utilities {
        grid-template-columns: 1fr; /* 改为单列 */
        gap: 2rem;
        padding: 0 1.5rem;
    }

    .utility-item {
        text-align: center;
        margin-bottom: 2rem;
        padding: 1.5rem;
        background: rgba(38, 252, 233, 0.03);
        border-radius: 12px;
        border: 1px solid rgba(38, 252, 233, 0.1);
    }

    .utility-item:last-child {
        margin-bottom: 0;
    }
}

/* Partners Section */
.partners {
    padding: 6rem 0 8rem; /* 修改为底部增加内边距 */
    background: #000000;
    margin-top: -1px;
}

.marquee-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-top: 3rem;
}

/* 重新添加羽化效果 */
.fade-overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 200px; /* 增加宽度使羽化效果更明显 */
    z-index: 2;
    pointer-events: none;
}

.fade-overlay.left {
    left: 0;
    background: linear-gradient(90deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
}

.fade-overlay.right {
    right: 0;
    background: linear-gradient(-90deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
}

.marquee-track {
    display: flex;
    width: fit-content;
    animation: marquee 45s linear infinite; /* 降低动画速度 */
}

.marquee-track:hover {
    animation-play-state: paused; /* 恢复悬停暂停效果 */
}

.marquee-content {
    display: flex;
    gap: 4rem;
    padding: 0 2rem;
    flex-shrink: 0;
}

.partner-item {
    flex: 0 0 200px;
    width: 200px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%) brightness(0.8);
    transition: all 0.3s ease;
    margin-right: 4rem;
}

.partner-item:hover {
    filter: grayscale(0%) brightness(1); /* 恢复悬停效果 */
    transform: scale(1.05);
}

/* 确保图片不会超出容器 */
.partner-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    width: auto; /* 让图片保持原始宽高比 */
    height: auto;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 2rem)); /* 调整位移量以确保平滑循环 */
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .partner-item {
        flex: 0 0 120px;
        height: 50px;
        margin-right: 2rem;
    }

    .fade-overlay {
        width: 100px;
    }

    .marquee-content {
        gap: 2rem;
    }
}

/* Footer Styles */
.footer {
    background: #000000;
    padding: 4rem 0 2rem; /* 恢复原来的顶部内边距 */
    border-top: 1px solid rgba(38, 252, 233, 0.1);
    margin-top: -1px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-logo {
    flex: 1;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo-wrapper img {
    height: 40px;
    margin: 0; /* 移除所有边距 */
}

.logo-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 40px; /* 与 logo 高度一致，确保垂直居中 */
}

.footer-links {
    flex: 0 0 auto;
}

.footer-column h4 {
    font-family: 'PowerGrotesk', sans-serif;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 3rem;
    }

    .logo-wrapper {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 0.5rem;
    }

    .footer-links {
        text-align: center;
    }
}

/* Footer Styles */
.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.social-link svg,
.social-link .svg-icon {
    width: 24px;
    height: 24px;
    opacity: 0.6;
    transition: all 0.3s ease;
    filter: brightness(0) invert(1); /* 添加这行确保 SVG 图片为白色 */
}

.social-link:hover svg,
.social-link:hover .svg-icon {
    opacity: 1;
    filter: brightness(0) invert(1) sepia(100%) saturate(10000%) hue-rotate(130deg); /* hover 时变为主题色 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

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

/* Navigation */
.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

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

.nav-social .social-link {
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.nav-social .social-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-social {
        gap: 0.75rem; /* 减小图标间距 */
    }
    
    .nav-social .social-link svg,
    .nav-social .social-link .svg-icon {
        width: 20px;
        height: 20px;
    }
}

/* 添加动画类 */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Hero 动画 */
.hero .subtitle {
    transition-delay: 0.2s;
}

.hero .title {
    transition-delay: 0.4s;
}

.hero .description {
    transition-delay: 0.6s;
}

.hero .cta-buttons {
    transition-delay: 0.8s;
}

/* About 动画 */
.mission {
    transition-delay: 0.2s;
}

.advantage-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.advantage-item.active {
    opacity: 1;
    transform: translateY(0);
}

/* Tokenomics 动画 */
.token-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.token-item.active {
    opacity: 1;
    transform: translateY(0);
}

.utility-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.utility-item.active {
    opacity: 1;
    transform: translateY(0);
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
    .hero .title {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .token-value {
        font-size: 1.75rem;
    }

    .nav-social {
        gap: 0.5rem; /* 更小的图标间距 */
    }

    .btn {
        min-width: 180px; /* 更小的按钮宽度 */
    }

    .advantage-icon {
        width: 200px; /* 更小的图片尺寸 */
        height: 200px;
    }
}