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

:root {
    --dopamine-pink: #FF6B9D;
    --dopamine-orange: #FF8E53;
    --dopamine-yellow: #FFD93D;
    --dopamine-green: #6BCB77;
    --dopamine-blue: #4D96FF;
    --dopamine-purple: #A66CFF;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --bg-light: #FFF8F0;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo a {
    text-decoration: none;
}

.logo-img {
    width: 45px;
    height: 36px;
    object-fit: contain;
}

.logo-svg {
    width: 40px;
    height: 32px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 15px;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--dopamine-pink);
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cart-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 19px;
    cursor: pointer;
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.cart-btn:hover {
    color: var(--dopamine-pink);
}

.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--dopamine-pink);
    color: white;
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-dark);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 60px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.75) 0%, rgba(77, 150, 255, 0.65) 50%, rgba(255, 217, 61, 0.75) 100%);
    z-index: 0;
}

.hero-images {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 1fr;
    gap: 2px;
    z-index: -1;
}

.hero-image-item {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--dopamine-pink), var(--dopamine-orange));
    color: white;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.showcase-item {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--dopamine-pink), var(--dopamine-orange));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    animation: floatUp 0.6s ease-out backwards;
}

.showcase-item:nth-child(2) {
    animation-delay: 0.15s;
    background: linear-gradient(135deg, var(--dopamine-blue), var(--dopamine-green));
}

.showcase-item:nth-child(3) {
    animation-delay: 0.3s;
    background: linear-gradient(135deg, var(--dopamine-yellow), var(--dopamine-orange));
}

.showcase-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-hover);
}

.showcase-item i {
    font-size: 40px;
    color: white;
}

@keyframes floatUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}



.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 35px 20px;
    background: white;
    border-radius: 20px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 107, 157, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 157, 0.5), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(255, 107, 157, 0.15);
}

.feature-icon {
    width: 75px;
    height: 75px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--dopamine-pink), var(--dopamine-orange));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.3);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--dopamine-blue), var(--dopamine-green));
    box-shadow: 0 6px 20px rgba(77, 150, 255, 0.3);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--dopamine-yellow), var(--dopamine-orange));
    box-shadow: 0 6px 20px rgba(255, 217, 61, 0.3);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--dopamine-purple), var(--dopamine-blue));
    box-shadow: 0 6px 20px rgba(166, 108, 255, 0.3);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15);
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.4);
}

.feature-card:nth-child(2):hover .feature-icon {
    box-shadow: 0 10px 30px rgba(77, 150, 255, 0.4);
}

.feature-card:nth-child(3):hover .feature-icon {
    box-shadow: 0 10px 30px rgba(255, 217, 61, 0.4);
}

.feature-card:nth-child(4):hover .feature-icon {
    box-shadow: 0 10px 30px rgba(166, 108, 255, 0.4);
}

.feature-card h3 {
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 16px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 13px;
}

.products {
    padding: 60px 20px;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 35px;
}

.section-header h2 {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 35px;
}

.tab {
    padding: 10px 25px;
    border: 2px solid transparent;
    background: var(--bg-light);
    border-radius: 30px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.25s ease;
    color: var(--text-dark);
}

.tab.active,
.tab:hover {
    background: linear-gradient(135deg, var(--dopamine-pink), var(--dopamine-orange));
    color: white;
    border-color: transparent;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

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

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 240px;
    background: var(--bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.add-to-cart {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--dopamine-pink);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.product-card:hover .add-to-cart {
    opacity: 1;
    transform: translateY(0);
}

.add-to-cart:hover {
    background: var(--dopamine-pink);
    color: white;
}

.product-info {
    padding: 18px;
}

.product-info h3 {
    margin-bottom: 6px;
    color: var(--text-dark);
    font-size: 16px;
}

.product-description {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 12px;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price {
    font-size: 22px;
    font-weight: 700;
    color: var(--dopamine-pink);
}

.original-price {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: line-through;
}

.about {
    padding: 60px 20px;
    background: linear-gradient(135deg, #F0FFE5 0%, #E5F5FF 100%);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-logo {
    width: 200px;
    height: 160px;
    object-fit: contain;
}

.about-image-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.mountain-svg {
    width: 100%;
    height: 100%;
}

.about-text h2 {
    font-size: 30px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 14px;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 15px;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 25px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--dopamine-pink), var(--dopamine-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
}

.contact {
    padding: 60px 20px;
    background: white;
}

.contact-container {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: 40px;
}

.contact-info h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.contact-info p {
    color: var(--text-light);
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
}

.contact-item i {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--dopamine-yellow), var(--dopamine-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 18px;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.2s ease;
    background: var(--bg-light);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--dopamine-pink);
}

.contact-form textarea {
    resize: none;
    min-height: 100px;
}

.footer {
    background: var(--text-dark);
    color: white;
    padding: 45px 20px;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

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

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.25s ease;
}

.social-icon:hover {
    background: var(--dopamine-pink);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -380px;
    width: 380px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-hover);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #F0F0F0;
}

.cart-header h3 {
    font-size: 18px;
}

.cart-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-light);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.empty-cart {
    text-align: center;
    color: var(--text-light);
    padding: 50px 0;
}

.cart-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #F0F0F0;
}

.cart-item-image {
    width: 70px;
    height: 70px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-light);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    margin-bottom: 4px;
    font-size: 14px;
}

.cart-item-price {
    color: var(--dopamine-pink);
    font-weight: 600;
    font-size: 15px;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.quantity-btn {
    width: 26px;
    height: 26px;
    background: var(--bg-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
}

.remove-item {
    background: none;
    border: none;
    color: var(--dopamine-pink);
    cursor: pointer;
    font-size: 13px;
    margin-top: 6px;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid #F0F0F0;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 16px;
}

.total-price {
    font-weight: 700;
    color: var(--dopamine-pink);
}

.checkout-btn {
    width: 100%;
    padding: 14px;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 58px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 15px 20px;
        box-shadow: var(--shadow);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .hero-title {
        font-size: 36px;
    }

    .product-showcase {
        gap: 15px;
    }

    .showcase-item {
        width: 100px;
        height: 100px;
    }

    .showcase-item i {
        font-size: 38px;
    }

    .features {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 15px;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-details {
        gap: 20px;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
}