/* ========================================
   变量定义
   ======================================== */
:root {
    /* 主色调 - 喜庆红金配色 */
    --primary-red: #E63946;
    --primary-gold: #FFD700;
    --dark-red: #B71C1C;
    --light-gold: #FFF8DC;
    
    /* 辅助色 */
    --bg-dark: #1A1A2E;
    --bg-gradient-start: #16213E;
    --bg-gradient-end: #0F3460;
    --text-white: #FFFFFF;
    --text-gray: #B0B0B0;
    --card-bg: #FFFFFF;
    --card-shadow: rgba(0, 0, 0, 0.15);
    
    /* 标签颜色 */
    --badge-bestseller: #E63946;
    --badge-new: #00C853;
    --badge-hot: #FF6D00;
    --badge-recommend: #2196F3;
    --badge-trend: #9C27B0;
    
    /* 字体 - 更清晰易读 */
    --font-main: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'GmarketSans', 'Pretendard', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;
}

/* ========================================
   基础样式
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-white);
    line-height: 1.6;
}

/* ========================================
   公告条
   ======================================== */
.announcement-bar {
    background: linear-gradient(90deg, var(--primary-red), var(--dark-red), var(--primary-red));
    padding: 10px 0;
    overflow: hidden;
}

.marquee {
    display: flex;
    animation: marquee 20s linear infinite;
}

.marquee span {
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ========================================
   英雄区域
   ======================================== */
.hero-section {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background: 
        linear-gradient(180deg, rgba(22, 33, 62, 0.85) 0%, rgba(15, 52, 96, 0.9) 100%),
        url('../images/hero-bg.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at top, rgba(230, 57, 70, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(255, 215, 0, 0.15) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.sale-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-gold), #FFA500);
    color: var(--bg-dark);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.highlight-text {
    background: linear-gradient(135deg, var(--primary-gold), #FFB347);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 10px rgba(255, 215, 0, 0.5));
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

/* 促销文案 */
.promo-message {
    margin-top: var(--spacing-lg);
}

.promo-highlight {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-gold);
    margin-bottom: var(--spacing-sm);
    animation: pulse 2s infinite;
}

.promo-highlight i {
    margin-right: 8px;
}

.promo-text {
    font-size: 1.1rem;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.promo-text strong {
    color: var(--primary-gold);
    font-weight: 700;
}

.promo-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.4);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-white);
}

.promo-badge i {
    color: var(--primary-gold);
}

/* 装饰元素 */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.floating-coin, .floating-book, .floating-star {
    position: absolute;
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
}

.floating-coin {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-book {
    top: 30%;
    right: 15%;
    animation-delay: 2s;
}

.floating-star {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* ========================================
   优惠信息条
   ======================================== */
.benefits-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.benefit-icon {
    font-size: 1.2rem;
}

.benefit-text {
    font-size: 14px;
    font-weight: 500;
}

/* ========================================
   商品列表区域
   ======================================== */
.products-section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-xl);
    color: var(--text-white);
}

.title-decoration {
    color: var(--primary-gold);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* ========================================
   商品卡片
   ======================================== */
.product-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    box-shadow: 0 10px 30px var(--card-shadow);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(230, 57, 70, 0.3);
}

/* 商品标签 */
.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    color: white;
    z-index: 10;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-badge.bestseller {
    background: linear-gradient(135deg, var(--badge-bestseller), #ff6b6b);
}

.product-badge.new {
    background: linear-gradient(135deg, var(--badge-new), #69f0ae);
}

.product-badge.hot {
    background: linear-gradient(135deg, var(--badge-hot), #ffab40);
    animation: shake 0.5s ease-in-out infinite;
}

.product-badge.recommend {
    background: linear-gradient(135deg, var(--badge-recommend), #64b5f6);
}

.product-badge.trend {
    background: linear-gradient(135deg, var(--badge-trend), #ce93d8);
}

@keyframes shake {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

/* 商品图片 */
.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 140%;
    overflow: hidden;
    background: linear-gradient(180deg, #f5f5f5 0%, #e0e0e0 100%);
}

.product-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 90%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    transform: translate(-50%, -50%) scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 60%, rgba(230, 57, 70, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.click-hint {
    color: white;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-full);
    backdrop-filter: blur(5px);
}

/* 商品信息 */
.product-info {
    padding: var(--spacing-md);
    color: var(--bg-dark);
}

.product-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-subtitle {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-author {
    font-size: 12px;
    color: #888;
    margin-bottom: 10px;
}

.product-rating {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
}

.stars {
    color: var(--primary-gold);
    font-size: 14px;
}

.rating-score {
    font-weight: 700;
    color: var(--primary-red);
    font-size: 14px;
}

.review-count {
    font-size: 12px;
    color: #888;
}

/* 价格 */
.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.original-price {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.sale-price {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--primary-red);
}

.discount-badge {
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    animation: pulse 1.5s infinite;
}

/* ========================================
   CTA 区域
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary-gold);
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--bg-dark);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .product-title {
        font-size: 0.95rem;
    }
    
    .product-info {
        padding: var(--spacing-sm);
    }
    
    .benefits-bar {
        gap: var(--spacing-sm);
    }
    
    .benefit-item {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .promo-cta {
        gap: var(--spacing-sm);
    }
    
    .promo-badge {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .cta-stats {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .product-image-wrapper {
        padding-top: 130%;
    }
    
    .product-info {
        padding: 10px;
    }
    
    .product-title {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }
    
    .product-subtitle {
        font-size: 11px;
        display: none;
    }
    
    .product-author {
        font-size: 10px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .product-rating {
        margin-bottom: 8px;
    }
    
    .stars {
        font-size: 12px;
    }
    
    .rating-score {
        font-size: 12px;
    }
    
    .review-count {
        display: none;
    }
    
    .product-price {
        gap: 5px;
    }
    
    .original-price {
        font-size: 11px;
    }
    
    .sale-price {
        font-size: 1.3rem;
    }
    
    .discount-badge {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .product-badge {
        top: 8px;
        left: 8px;
        padding: 4px 8px;
        font-size: 10px;
    }
}

/* ========================================
   滚动动画
   ======================================== */
.product-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }
.product-card:nth-child(7) { animation-delay: 0.7s; }
.product-card:nth-child(8) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Font Awesome 图标颜色
   ======================================== */
.floating-coin i {
    color: var(--primary-gold);
}

.floating-book i {
    color: #64B5F6;
}

.floating-star i {
    color: var(--primary-gold);
}

.marquee .fa-fire {
    color: #FFD700;
}

.sale-badge .fa-crown {
    margin-right: 5px;
}

.countdown-label i {
    margin-right: 5px;
}

.benefit-icon i {
    color: var(--primary-gold);
}

.title-decoration i {
    font-size: 0.8em;
}

.product-badge i {
    margin-right: 4px;
}

.click-hint i {
    margin-right: 6px;
}

.stars i {
    margin-right: 1px;
}

.cta-title i {
    margin-right: 8px;
}

.stat-label i {
    margin-right: 4px;
}

.footer-links a i {
    margin-right: 5px;
}

/* ========================================
   弹窗样式
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

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

.modal-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    transform: translateY(30px) scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    border-bottom: 3px solid var(--primary-gold);
}

.modal-header h3 {
    color: var(--text-white);
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h3 i {
    color: var(--primary-gold);
}

.modal-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-white);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.modal-close:hover {
    background: var(--primary-red);
    transform: rotate(90deg);
}

.modal-body {
    padding: 25px;
    max-height: calc(85vh - 80px);
    overflow-y: auto;
    color: var(--bg-dark);
    font-size: 14px;
    line-height: 1.8;
}

.modal-body h4 {
    color: var(--bg-gradient-start);
    font-size: 1.1rem;
    margin: 25px 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-gold);
    display: flex;
    align-items: center;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 12px;
    color: #444;
}

.modal-body ul {
    margin: 12px 0;
    padding-left: 25px;
}

.modal-body ul li {
    margin-bottom: 8px;
    color: #555;
    position: relative;
}

.modal-body ul li::marker {
    color: var(--primary-red);
}

.modal-body strong {
    color: var(--bg-dark);
}

.disclaimer-note {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border-left: 4px solid var(--badge-hot);
    padding: 15px 20px;
    margin-top: 25px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.disclaimer-note strong {
    color: var(--badge-hot);
}

/* 弹窗滚动条样式 */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-red), var(--dark-red));
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--dark-red);
}

/* 弹窗响应式 */
@media (max-width: 768px) {
    .modal-container {
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-header h3 {
        font-size: 1.1rem;
    }
    
    .modal-body {
        padding: 20px;
        font-size: 13px;
    }
    
    .modal-body h4 {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 10px;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}