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

body {
    font-family: 'Microsoft JhengHei', 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #ffffff;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(15, 15, 35, 0.2);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(0, 93, 145, 0.9);
}

.nav-container {
    max-width: 1700px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.2);
}

.logo-icon {
    display: inline-block;
    width: 200px;
    height: 60px;
    background-image: url('../img/toplogo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: brightness(1.2);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    transition: all 0.3s ease;
    padding: 10px 0;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, #00d4ff, #4ade80);
    transition: width 0.3s ease;
}

.nav-menu a:hover::before {
    width: 100%;
}

.nav-menu a:hover {
    color: #00d4ff;
    transform: translateY(-2px);
}

/* 語言選擇器 */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.language-btn::after {
    content: '▼';
    font-size: 0.6rem;
}

.language-btn.active::after {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    min-width: 130px;
    opacity: 0;
    text-align: center;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.language-dropdown a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.language-dropdown a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
}

.language-dropdown a.active {
    color: #00d4ff;
}

/* 漢堡選單 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    background: none;
    border: none;
    transition: all 0.3s ease;
}

.hamburger-line {
    height: 2px;
    background: white;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger-line-long {
    width: 25px;
}

.hamburger-line-short {
    width: 18px;
    margin-left: auto;
}

.hamburger.active .hamburger-line-long {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line-short {
    transform: rotate(-45deg);
}

/* 產品展示區域 */
.product-hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    background: url('../img/leaf.jpg') center/cover no-repeat;
    overflow: hidden;
}


/* 深色遮罩層，增強對比 */
.product-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.product-content {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    width: 100%;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(40px);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.product-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeIn 1s ease-out 0.2s both;
}

.product-header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #a0e7ff 50%, #4ade80 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-header .subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    letter-spacing: 3px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 30px 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: block;
    animation: fadeInCard 0.6s ease-out both;
}

.product-card:nth-child(1) {
    animation-delay: 0.3s;
}

.product-card:nth-child(2) {
    animation-delay: 0.4s;
}

.product-card:nth-child(3) {
    animation-delay: 0.5s;
}

.product-card:nth-child(4) {
    animation-delay: 0.6s;
}

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

.product-card-icon,
.product-card-title,
.product-card-description {
    animation: fadeIn 0.6s ease-out both;
}

.product-card:nth-child(1) .product-card-icon,
.product-card:nth-child(1) .product-card-title,
.product-card:nth-child(1) .product-card-description {
    animation-delay: 0.3s;
}

.product-card:nth-child(2) .product-card-icon,
.product-card:nth-child(2) .product-card-title,
.product-card:nth-child(2) .product-card-description {
    animation-delay: 0.4s;
}

.product-card:nth-child(3) .product-card-icon,
.product-card:nth-child(3) .product-card-title,
.product-card:nth-child(3) .product-card-description {
    animation-delay: 0.5s;
}

.product-card:nth-child(4) .product-card-icon,
.product-card:nth-child(4) .product-card-title,
.product-card:nth-child(4) .product-card-description {
    animation-delay: 0.6s;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(74, 222, 128, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

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

.product-card-icon {
    position: relative;
    z-index: 2;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.product-card:hover .product-card-icon {
    transform: scale(1.05) rotate(2deg);
   
}

.product-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3));
    transition: all 0.4s ease;
}

.product-card:hover .product-card-icon img {
    transform: scale(1.08);
    filter: drop-shadow(0 8px 25px rgba(0, 212, 255, 0.4));
}

.product-card-title {
    position: relative;
    z-index: 2;
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.product-card-description {
    position: relative;
    z-index: 2;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    line-height: 1.6;
}

.new-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 10;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 50%, #ee5a6f 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: 25px;
    letter-spacing: 1.5px;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.5);
    animation: bounce 1.5s ease-in-out infinite, glow 2s ease-in-out infinite;
    transform-origin: center;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) rotate(-2deg);
    }
    25% {
        transform: translateY(-5px) rotate(2deg);
    }
    50% {
        transform: translateY(-8px) rotate(-2deg);
    }
    75% {
        transform: translateY(-5px) rotate(2deg);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(255, 107, 107, 0.5), 0 0 10px rgba(255, 107, 107, 0.3);
    }
    50% {
        box-shadow: 0 6px 25px rgba(255, 107, 107, 0.7), 0 0 20px rgba(255, 107, 107, 0.5);
    }
}



.view-all-products {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 50px;
    position: relative;
    z-index: 3;
    animation: fadeIn 0.6s ease-out 0.25s both;
}

.view-all-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 18px 50px;
    border-radius: 50px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(74, 222, 128, 0.2));
    border: 2px solid rgba(0, 212, 255, 0.4);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.view-all-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.view-all-btn:hover::before {
    left: 100%;
}

.view-all-btn:hover {
    transform: translateY(-5px) scale(1.05);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(74, 222, 128, 0.3));
    border-color: rgba(0, 212, 255, 0.7);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.view-all-btn .title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-right: 12px;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
}

.view-all-btn .arrow {
    margin-left: 8px;
    font-size: 1.3rem;
    color: white;
    transition: transform 0.4s ease;
    position: relative;
    z-index: 1;
}

.view-all-btn:hover .arrow {
    transform: translateX(8px);
}

.product-footer {
    text-align: center;
    margin-top: 60px;
    position: relative;
    z-index: 3;
}

.product-footer-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1.5px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-container {
        padding: 0 20px;
    }

    /* 手機版導航菜單 */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: url('../img/leaf.jpg') center/cover no-repeat;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

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

    .nav-menu a {
        color: white;
        text-decoration: none;
        font-size: 1.5rem;
        font-weight: 600;
        max-width: 300px;
        transition: all 0.3s ease;
        position: relative;
        display: block;
        padding: 15px 40px;
        border-radius: 60px;
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu a:hover {
        color: #535353;
        transform: translateY(-5px) scale(1.05);
        background: rgb(241, 253, 255);
    }

    .nav-menu a::before {
        display: none;
    }

    .logo-img {
        height: 40px;
    }

    .logo-icon {
        width: 130px;
        height: 40px;
    }

    .product-hero {
        padding: 100px 15px 60px;
        min-height: auto;
    }

    .product-header {
        margin-top: 30px;
        margin-bottom: 40px;
    }

    .product-header h1 {
        font-size: 2rem;
        margin-bottom: 15px;
        letter-spacing: 1px;
    }

    .product-header .subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .product-card {
        padding: 15px 10px;
        max-width: 100%;
    }

    .product-card-icon {
        width: 80px !important;
        height: 80px !important;
        margin: 0 auto 8px;
    }

    .product-card-title {
        font-size: 0.85rem;
        margin-bottom: 6px;
        line-height: 1.3;
    }

    .product-card-description {
        font-size: 0.7rem;
        line-height: 1.4;
    }

    .new-badge {
        top: 8px;
        left: 8px;
        font-size: 0.55rem;
        padding: 4px 10px;
    }

    .view-all-products {
        margin-top: 40px;
        margin-bottom: 30px;
    }

    .view-all-btn {
        padding: 16px 40px;
    }

    .view-all-btn .title {
        font-size: 1.1rem;
        margin-right: 10px;
        letter-spacing: 1.5px;
    }

    .view-all-btn .arrow {
        font-size: 1.1rem;
        margin-left: 6px;
    }

    .product-footer {
        margin-top: 100px;
    }

    .product-footer-text {
        font-size: 0.75rem;
    }
}

/* 分類標籤 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.category-tab::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;
}

.category-tab:hover::before {
    left: 100%;
}

.category-tab:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-3px);
}

.category-tab.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(74, 222, 128, 0.3));
    border-color: rgba(0, 212, 255, 0.7);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

/* 產品內容區域 */
.products-content {
    display: none;
}

.products-content.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

/* 桌面版样式 */
@media (min-width: 769px) {
    .product-grid {
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
    }

    /* 限制商品卡片最大寬度 */
    .product-card {
        max-width: 450px;
        margin: 0 auto;
    }

    .product-card-icon {
        width: 100%;
        height: 150px;
    }

    .product-card-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}

/* 手机版样式 */
@media (max-width: 768px) {
    .category-tabs {
        gap: 10px;
        margin-bottom: 40px;
    }

    .category-tab {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
        max-width: 100%;
        margin-bottom: 30px;
    }

    .product-card-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}