:root {
    /* 主色调 - 现代蓝绿色系 */
    --primary-color: #2563eb;        /* 活力蓝色 */
    --primary-light: #3b82f6;        /* 浅蓝色 */
    --primary-dark: #1d4ed8;         /* 深蓝色 */
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    
    /* 辅助色 - 温暖灰色系 */
    --secondary-color: #f8fafc;      /* 极浅灰 */
    --secondary-light: #e2e8f0;      /* 浅灰 */
    --secondary-dark: #64748b;       /* 中灰 */
    
    /* 强调色 - 活力橙色 */
    --accent-color: #f59e0b;         /* 活力橙 */
    --accent-light: #fbbf24;         /* 浅橙 */
    --accent-dark: #d97706;          /* 深橙 */
    
    /* 成功色 - 绿色系 */
    --success-color: #10b981;        /* 翠绿色 */
    --success-light: #34d399;        /* 浅绿 */
    
    /* 文字颜色 */
    --text-dark: #1e293b;            /* 深色文字 */
    --text-medium: #475569;          /* 中等文字 */
    --text-light: #64748b;           /* 浅色文字 */
    --text-muted: #94a3b8;           /* 淡化文字 */
    
    /* 背景色 */
    --white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    
    /* 阴影和效果 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    white-space: nowrap;
    min-width: fit-content;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 0.75rem;
    object-fit: contain;
    flex-shrink: 0;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

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

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.language-select {
    display: none;
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-btn.active,
.lang-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Hero 区域 */
.hero {
    padding: 8rem 0 4rem;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-dark);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 100%;
    word-wrap: break-word;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: nowrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 140px;
    gap: 0.5rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.btn-secondary .btn-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.3;
    text-align: center;
}

.btn-subtitle {
    font-size: 0.7rem;
    opacity: 0.9;
    font-weight: 500;
    margin-bottom: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn-title {
    font-size: 0.95rem;
    font-weight: 700;
}

.btn.recommended {
    position: relative;
    overflow: hidden;
}

.btn.recommended::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    text-align: center;
    position: relative;
}

.app-screenshots {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
}

/* 轮播效果 */
.app-screenshots.carousel {
    overflow: hidden;
    max-width: 300px;
    margin: 0 auto;
}

.app-screenshots.carousel .screenshot-container {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.app-screenshots.carousel .screenshot-container.active {
    display: block;
}

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

.screenshot-container {
    position: relative;
    max-width: 280px;
    width: 100%;
}

.app-screenshot-img {
    width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: var(--shadow-xl);
    border: 6px solid var(--primary-color);
    transition: var(--transition);
}

.app-screenshot-img:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.screenshot-container:nth-child(1) .app-screenshot-img {
    border-color: var(--primary-color);
}

.screenshot-container:nth-child(2) .app-screenshot-img {
    border-color: var(--accent-color);
}

.screenshot-container:nth-child(3) .app-screenshot-img {
    border-color: var(--success-color);
}

/* 轮播指示器 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: var(--secondary-dark);
    cursor: pointer;
    transition: var(--transition);
}

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

.indicator:hover {
    background: var(--primary-light);
}


/* 核心功能区 */
.features {
    padding: 6rem 0;
    background: var(--white);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* 价格方案 */
.pricing {
    padding: 6rem 0;
    background: var(--bg-light);
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (min-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pricing-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--secondary-light);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* 移除选中状态样式 */
.pricing-card.featured {
    border: 1px solid var(--secondary-light);
    transform: none;
    box-shadow: var(--shadow);
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.pricing-card .price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-medium);
    margin: 0 0.25rem;
}

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

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
}

.pricing-card li {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    gap: 0.75rem;
}

.pricing-card li:last-child {
    border-bottom: none;
}

.check-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    object-fit: contain;
}

.pricing-card li span {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.4;
}

/* 下载区域 */
.download {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
}

.download-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.install-instructions {
    background: var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 4px solid var(--primary-color);
}

.install-instructions p {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.download h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.download p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: nowrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    background: var(--text-dark);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 600;
    position: relative;
    min-width: 140px;
    gap: 0.5rem;
}

.store-btn .btn-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.store-btn.recommended .btn-icon {
    filter: brightness(0) invert(1);
}

.store-btn .btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.3;
    text-align: center;
}

.store-btn .btn-subtitle {
    font-size: 0.7rem;
    opacity: 0.9;
    font-weight: 500;
    margin-bottom: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.store-btn .btn-title {
    font-size: 0.95rem;
    font-weight: 700;
}

.store-btn:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.store-btn.recommended {
    background: var(--primary-gradient);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s infinite;
}

.store-btn.recommended:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0%, 100% { box-shadow: var(--shadow-lg); }
    50% { box-shadow: 0 0 20px rgba(37, 99, 235, 0.4); }
}

/* 联系我们区域 */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-method {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--secondary-light);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-method h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-method p {
    color: var(--text-medium);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-method p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-method p a:hover {
    text-decoration: underline;
}

.contact-method span {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-info {
    border-top: 1px solid #444;
    padding-top: 2rem;
    color: #ccc;
}

/* 平板设备优化 */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero-container {
        gap: 3rem;
        padding: 0 2.5rem;
    }

    .app-screenshot {
        max-width: 260px;
        height: 480px;
    }

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

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 0;
        gap: 0;
        box-shadow: var(--shadow);
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--secondary-light);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .nav-links .language-switcher {
        padding: 0.75rem 1.5rem;
        justify-content: center;
    }

    .language-switcher .lang-btn {
        display: none;
    }

    .language-select {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
        border: 2px solid var(--primary-color);
        border-radius: var(--border-radius);
        background: var(--white);
        color: var(--text-dark);
        font-size: 1rem;
        font-weight: 600;
        appearance: none;
        -webkit-appearance: none;
        -moz-appearance: none;
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 0.75rem center;
        background-size: 1rem;
        padding-right: 2.5rem;
        cursor: pointer;
        transition: var(--transition);
    }

    .language-select option {
        font-size: 1.1rem;
        padding: 0.5rem;
        line-height: 1.5;
    }

    .language-select:hover {
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    .language-select:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding: 0 2rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        justify-content: center;
        gap: 1rem;
        flex-wrap: nowrap;
    }

    .btn {
        min-width: 100px;
        padding: 0.7rem 1rem;
        font-size: 0.8rem;
        gap: 0.4rem;
    }

    .btn-icon {
        width: 18px;
        height: 18px;
    }

    .btn-subtitle {
        font-size: 0.65rem;
    }

    .btn-title {
        font-size: 0.85rem;
    }

    .app-screenshots {
        flex-direction: column;
        gap: 1.5rem;
    }

    .screenshot-container {
        max-width: 250px;
    }

    .app-screenshot-img {
        max-height: 450px;
        object-fit: contain;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

            /* 移除featured样式 */

    .download-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 0.6rem;
        flex-wrap: nowrap;
    }

    .store-btn {
        min-width: 100px;
        padding: 0.7rem 1rem;
        gap: 0.4rem;
    }

    .store-btn .btn-icon {
        width: 18px;
        height: 18px;
    }

    .store-btn .btn-subtitle {
        font-size: 0.65rem;
    }

    .store-btn .btn-title {
        font-size: 0.85rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .logo-img {
        width: 36px;
        height: 36px;
        margin-right: 0.5rem;
    }

    .hero {
        padding: 6rem 0 2rem;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }

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

    .screenshot-container {
        max-width: 220px;
    }

    .app-screenshot-img {
        max-height: 400px;
        object-fit: contain;
    }

    .hero-buttons {
        gap: 1rem;
    }

    .btn {
        min-width: 100%;
        max-width: 280px;
        padding: 0.8rem 1rem;
        font-size: 0.8rem;
        gap: 0.4rem;
    }

    .btn-icon {
        width: 16px;
        height: 16px;
    }

    .btn-subtitle {
        font-size: 0.6rem;
    }

    .btn-title {
        font-size: 0.8rem;
    }

    .download-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .store-btn {
        min-width: 100%;
        max-width: 280px;
        padding: 0.8rem 1rem;
        gap: 0.4rem;
    }

    .store-btn .btn-icon {
        width: 16px;
        height: 16px;
    }

    .store-btn .btn-subtitle {
        font-size: 0.6rem;
    }

    .store-btn .btn-title {
        font-size: 0.8rem;
    }

    .section-title {
        font-size: 2rem;
    }

            .features,
            .pricing,
            .download,
            .contact {
                padding: 4rem 0;
            }

            .contact-methods {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .contact-method {
                padding: 2rem 1.5rem;
            }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .pricing-card {
        padding: 2rem 1.5rem;
    }

    .pricing-card .price {
        font-size: 2rem;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}