/* ================================
 * CSS Variables & Configuration
 * ================================ */
:root{
    /* Layout */
    --container-width:80%;
    --container-max:1400px;
    --gap:18px;
    --card-radius:8px;
    
    /* Colors */
    --primary:#FF6B6B;
    --secondary:#4ECDC4;
    --accent:#FFD93D;
    --dark:#2C3E50;
    --light:#F8F9FA;
    
    /* Effects */
    --transition-base:0.3s ease;
    --transition-fast:0.15s ease;
    --shadow-base:0 4px 12px rgba(0,0,0,0.1);
    --shadow-hover:0 8px 24px rgba(0,0,0,0.15);
    
    /* Z-index layers */
    --z-header:100;
    --z-modal:1000;
    --z-tooltip:10;
}

/* ================================
 * Reset & Base Styles
 * ================================ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:Arial,"Microsoft JhengHei",sans-serif;
    color:#222;
    background:#fff;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition-fast)}
button{cursor:pointer;border:none;background:none;font:inherit}

/* ================================
 * Header
 * ================================ */
header{
    width:100%;
    padding:0 12px;
    background-color:rgba(255,255,255,0.5);
    backdrop-filter:blur(3px);
    -webkit-backdrop-filter:blur(3px);
    box-shadow:0 2px 4px rgba(128,128,128,0.2);
    position:fixed;
    top:0;
    z-index:var(--z-header);
    transition:opacity var(--transition-base),transform var(--transition-base),visibility var(--transition-base);
    contain:layout style;
}
.header{
    opacity:1;
    transform:translateZ(0);
    visibility:visible;
}
.header-none{
    opacity:0;
    transform:translate3d(0,-100%,0);
    visibility:hidden;
    pointer-events:none;
}
.menu{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:8px 0;
}
.menu-logo-img{width:80px}
.menu-nav{
    list-style:none;
    display:flex;
    gap:10px;
}
.menu-nav>li>a>img{
    width:35px;
    height:35px;
    transition:transform var(--transition-base);
}
.menu-nav>li>a>img:hover{
    transform:scale(1.1);
}
.page-banner .banner-img{width:100%;height:auto}

/* Section Styles */
.section-bg{
    padding:40px 0;
    background-repeat:no-repeat;
    background-position:center top;
    background-size:cover;
}
.container{
    width:var(--container-width);
    margin:0 auto;
    max-width:1400px;
}
.section-title-img{
    max-width:400px;
    height:auto;
    margin:0 0 18px 0;
}

/* Swiper Card Styles */
.card-swiper{
    position:relative;
    padding:20px 50px 50px;
    overflow:hidden;
}
.card-swiper .swiper-wrapper{
    overflow:visible;
    padding:10px 0;
}
.card-swiper .swiper-slide{
    height:auto;
    overflow:visible;
}
.card-swiper .swiper-button-next,
.card-swiper .swiper-button-prev{
    color:var(--secondary);
    background:white;
    width:44px;
    height:44px;
    border-radius:50%;
    box-shadow:var(--shadow-base);
    transition:all var(--transition-base);
}
.card-swiper .swiper-button-next:after,
.card-swiper .swiper-button-prev:after{
    font-size:20px;
    font-weight:bold;
}
.card-swiper .swiper-button-next:hover,
.card-swiper .swiper-button-prev:hover{
    background:var(--secondary);
    color:white;
    transform:scale(1.15);
    box-shadow:0 4px 12px rgba(78,205,196,0.4);
}
.card-swiper .swiper-button-next:focus,
.card-swiper .swiper-button-prev:focus{
    outline:3px solid var(--accent);
    outline-offset:2px;
}
.card-swiper .swiper-button-next:active,
.card-swiper .swiper-button-prev:active{
    transform:scale(1.05);
}
.card-swiper .swiper-pagination{bottom:10px}
.card-swiper .swiper-pagination-bullet{
    background:var(--secondary);
    opacity:0.5;
    width:10px;
    height:10px;
}
.card-swiper .swiper-pagination-bullet-active{
    opacity:1;
    background:var(--primary);
}

/* ================================
 * Card Animation & Styles
 * ================================ */
@keyframes fadeInUp{
    from{
        opacity:0;
        transform:translateY(30px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}
.swiper-slide{
    animation:fadeInUp 0.6s ease-out forwards;
    opacity:0;
}
.swiper-slide:nth-child(1){animation-delay:0.1s}
.swiper-slide:nth-child(2){animation-delay:0.2s}
.swiper-slide:nth-child(3){animation-delay:0.3s}
.swiper-slide:nth-child(4){animation-delay:0.4s}

/* Card Styles */
.card{
    background:#fff;
    border-radius:var(--card-radius);
    overflow:hidden;
    box-shadow:var(--shadow-base);
    display:flex;
    flex-direction:column;
    transition:transform var(--transition-base),box-shadow var(--transition-base);
    position:relative;
    height:100%;
    cursor:pointer;
}
.card:hover{
    transform:scale(1.05) translateY(-5px);
    box-shadow:0 12px 40px rgba(0,0,0,0.2);
    z-index:10;
}
.card:hover .card-title{
    color:var(--primary);
}
.card:focus-within{
    outline:3px solid var(--secondary);
    outline-offset:3px;
}
.card-img-wrapper{
    position:relative;
    overflow:hidden;
}
.card-img{
    width:100%;
    height:200px;
    object-fit:cover;
    transition:transform var(--transition-base);
}
.card:hover .card-img{
    transform:scale(1.05);
}
.card-tag{
    position:absolute;
    top:12px;
    right:12px;
    background:linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
    color:#fff;
    padding:6px 12px;
    border-radius:20px;
    font-size:0.85rem;
    font-weight:600;
    box-shadow:0 2px 8px rgba(0,0,0,0.2);
    transition:var(--transition-base);
    z-index:2;
}
.card:hover .card-tag{
    transform:translateY(-3px) scale(1.05);
    box-shadow:0 4px 12px rgba(0,0,0,0.3);
}

/* Tag 分組樣式 - 金色系 */
.card-tag.tag-guarantee,
.card-tag.tag-sale,
.card-tag.tag-special{
    background:linear-gradient(135deg, #FFD93D 0%, #FFC107 100%);
    color:#2C3E50;
}

/* Tag 分組樣式 - 紅色系 */
.card-tag.tag-classic,
.card-tag.tag-popular{
    background:linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
    color:#fff;
}

/* Tag 分組樣式 - 藍綠色系 */
.card-tag.tag-new{
    background:linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
}
.card-tag.tag-secret{
    background:linear-gradient(135deg, #2C7873 0%, #4A90A4 100%);
}
.card-tag.tag-location{
    background:linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}
.card-tag.tag-winter{
    background:linear-gradient(135deg, #87CEEB 0%, #5DADE2 100%);
}

/* Tag 分組樣式 - 特殊色系 */
.card-tag.tag-seasonal{
    background:linear-gradient(135deg, #9B59B6 0%, #8E44AD 100%);
}
.card-tag.tag-holiday{
    background:linear-gradient(135deg, #FF8C00 0%, #FF7F50 100%);
}

.card-body{
    padding:20px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.card-title{
    margin:0 0 12px 0;
    font-size:1.25rem;
    font-weight:600;
    color:#222;
    line-height:1.5;
}
.card-desc{
    margin:0;
    font-size:0.95rem;
    color:#666;
    line-height:1.6;
    overflow:hidden;
    text-overflow:ellipsis;
    display:-webkit-box;
    -webkit-line-clamp:2;
    line-clamp:2;
    -webkit-box-orient:vertical;
}
.card-info{
    margin-top:auto;
    padding-top:20px;
    margin-bottom:16px;
}
.card-date{
    display:flex;
    align-items:center;
    gap:6px;
    color:#666;
    font-size:0.95rem;
    margin-bottom:10px;
}
.card-date svg{
    color:#FF6B6B;
}
.card-price{
    display:flex;
    align-items:baseline;
    gap:4px;
}
.price-label{
    font-size:0.95rem;
    color:#999;
}
.price-amount{
    font-size:1.8rem;
    font-weight:700;
    color:#FF6B6B;
    transition:var(--transition-base);
}
.card:hover .price-amount{
    transform:scale(1.1);
    color:#FF4757;
}
.price-unit{
    font-size:1rem;
    color:#666;
}
.card-btn{
    width:100%;
    background:linear-gradient(135deg,var(--secondary) 0%,#44A08D 100%);
    color:#fff;
    border:none;
    padding:14px 16px;
    border-radius:6px;
    font-size:1.05rem;
    font-weight:600;
    cursor:pointer;
    transition:all var(--transition-base);
    text-align:center;
    margin-top:4px;
}
.card-btn:hover{
    background:linear-gradient(135deg,#44A08D 0%,#2C7873 100%);
    transform:scale(1.02);
    box-shadow:0 4px 12px rgba(68,160,141,0.4);
}
.card-btn:active{
    transform:scale(0.98);
}
.card-btn:focus{
    outline:3px solid var(--accent);
    outline-offset:2px;
}
@media (hover: none){
    .card-btn{
        min-height:48px;
    }
}

/* Section More Button */
.section-more{
    display:flex;
    justify-content:center;
    margin:40px 0 20px;
}
.section-more-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:14px 32px;
    background:transparent;
    border:2px solid var(--primary);
    color:var(--primary);
    font-size:1.1rem;
    font-weight:600;
    border-radius:50px;
    cursor:pointer;
    transition:all var(--transition-base);
    font-family:inherit;
}
.section-more-btn:hover{
    background:var(--primary);
    color:white;
    transform:translateY(-3px) scale(1.03);
    box-shadow:0 8px 25px rgba(255,107,107,0.4);
}
.section-more-btn:focus{
    outline:3px solid var(--accent);
    outline-offset:3px;
}
.section-more-btn:active{
    transform:translateY(0);
}
.section-more-btn svg{
    transition:transform var(--transition-base);
}
.section-more-btn:hover svg{
    transform:translateX(5px);
}

/* Footer */
footer{
    padding:30px 4%;
    text-align:center;
    background-repeat:no-repeat;
    background-position:center;
    background-size:cover;
    position:relative;
}
.copyright{
    font-size:16px;
    color:#666;
    margin:0;
}

/* 主題活動一覽 Section */
.theme-activity-section{
    padding:60px 0;
    background-repeat:no-repeat;
    background-position:center top;
    background-size:cover;
}
.theme-title-content{
    margin-bottom:40px;
}
.theme-title{
    text-align:center;
    letter-spacing:3px;
    line-height:1.25;
    font-weight:900;
    font-size:2rem;
    color:#FF6B6B;
    margin:0;
}
@media(max-width:768px){
    .theme-activity-section{
        padding:40px 0;
    }
    .theme-title-content{
        margin-bottom:25px;
    }
    .theme-title{
        font-size:1.5rem;
        letter-spacing:2px;
    }
}

/* Theme Swiper */
.themeSwiper{
    width:100%;
    padding:20px 0 50px;
    overflow:hidden;
}
.themeSwiper .swiper-wrapper{
    overflow:visible;
    padding:10px 0;
}
.themeSwiper .swiper-slide{
    display:flex;
    justify-content:center;
    align-items:center;
    overflow:visible;
}
.themeSwiper .swiper-slide img{
    width:100%;
    height:100%;
    object-fit:cover;
    border-radius:12px;
    box-shadow:var(--shadow-base);
    transition:transform var(--transition-base),box-shadow var(--transition-base);
    cursor:pointer;
}
.themeSwiper .swiper-slide img:hover{
    transform:scale(1.08) translateY(-3px);
    box-shadow:0 12px 35px rgba(0,0,0,0.25);
}
.themeSwiper .swiper-slide a:focus{
    outline:3px solid var(--accent);
    outline-offset:3px;
    border-radius:12px;
}
.themeSwiper .swiper-pagination{bottom:0}
.themeSwiper .swiper-pagination-bullet{
    width:10px;
    height:10px;
    background:var(--primary);
    opacity:0.4;
}
.themeSwiper .swiper-pagination-bullet-active{
    opacity:1;
}

/* ================================
   Scroll to Top Button
   ================================ */
.go-to-top{
    width:56px;
    height:56px;
    cursor:pointer;
    position:fixed;
    z-index:99;
    bottom:18px;
    right:18px;
    transition:opacity var(--transition-base),transform var(--transition-base),box-shadow var(--transition-base);
    border:none;
    background:#fff;
    border-radius:50%;
    box-shadow:var(--shadow-base);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0;
}
.go-to-top:hover{
    transform:translateY(-5px) scale(1.1);
    box-shadow:0 8px 24px rgba(255,107,107,0.4);
}
.go-to-top:focus{
    outline:3px solid var(--accent);
    outline-offset:3px;
}
.go-to-top:active{
    transform:translateY(-2px) scale(1.05);
}
.go-to-top img{
    width:100%;
    height:100%;
}
@media (max-width:768px){
    .go-to-top{
        width:48px;
        height:48px;
        right:12px;
        bottom:12px;
    }
}

/* ================================
 * Responsive rules
 * ================================ */
@media (max-width:1200px){
    .card-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:901px){
    /* desktop background */
    .section-bg{background-image: url('../../src/img/banner.bg/bg-pc.png')}
    footer{background-image: url('../../src/img/banner.bg/bg-pc.png')}
}
@media (min-width:601px) and (max-width:900px){
    .section-bg{background-image: url('../../src/img/banner.bg/bg-pad.png')}
    footer{background-image: url('../../src/img/banner.bg/bg-pad.png')}
}
@media (max-width:900px){
    .card-grid{grid-template-columns:repeat(2,1fr)}
    :root{--container-width:90%}
    .card-swiper{padding:0 40px 50px 40px}
    .card-swiper .swiper-button-next,
    .card-swiper .swiper-button-prev{width:36px;height:36px}
    .card-swiper .swiper-button-next:after,
    .card-swiper .swiper-button-prev:after{font-size:16px}
    .section-title-img{max-width:280px}
}
@media (max-width:600px){
    .section-bg{background-image: url('../../src/img/banner.bg/bg-mobile.png')}
    footer{background-image: url('../../src/img/banner.bg/bg-mobile.png')}
    .card-grid{grid-template-columns:1fr}
    .card-img{height:200px}
    :root{--container-width:94%}
    .menu-nav{flex-wrap:wrap}
    .menu-nav>li{padding:3px 6px}
    .menu-nav>li>a>img{width:28px;height:28px}
    .menu-logo-img{width:60px}
    .go-to-top{width:40px;height:40px;bottom:15px;right:15px}
    .card-swiper{padding:0 30px 50px 30px}
    .card-swiper .swiper-button-next,
    .card-swiper .swiper-button-prev{width:32px;height:32px}
    .card-swiper .swiper-button-next:after,
    .card-swiper .swiper-button-prev:after{font-size:14px}
    .section-title-img{max-width:220px}
}