/* ===== CSS 变量定义 ===== */
:root {
    --primary-pink: #f8d7e8;
    --secondary-pink: #faeaf1;
    --accent-pink: #f2b8d0;
    --text-dark: #5a5a5a;
    --text-light: #888;
    --white: #ffffff;
    --shadow-soft: 0 8px 30px rgba(242, 184, 208, 0.12);
    --shadow-medium: 0 15px 40px rgba(242, 184, 208, 0.15);
}

/* ===== 基础重置和全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #fefefe 0%, #faf5f8 100%);
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* ===== 布局组件样式 ===== */

/* 导航栏 */
.header {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(242, 184, 208, 0.2);
    box-shadow: var(--shadow-soft);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    color: var(--text-dark) !important;
    font-weight: 700;
    font-size: 1.6rem;
    background: linear-gradient(135deg, #f2b8d0, #d48bac);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
}

.navbar-nav .nav-item {
    margin: 0 8px;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 10px 20px !important;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    transition: left 0.3s ease;
    z-index: -1;
    border-radius: 25px;
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    left: 0;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-dark) !important;
    transform: translateY(-2px);
}

/* 公告栏 */
.notice .card {
    background: linear-gradient(135deg, #fff, var(--secondary-pink));
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--accent-pink);
    overflow: hidden;
}

.notice .jumbotron {
    background: transparent;
    padding: 25px;
}

.notice h4 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 15px;
}

.notice .lead {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 分类区域 */
.category {
    padding: 60px 0;
    background: linear-gradient(135deg, #fefefe 0%, #faf5f8 100%);
}

.category h3 {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f2b8d0, #d48bac);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.separator {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    margin: 0 auto 25px;
    border-radius: 2px;
}

.category .lead {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.category-menus .nav-pills {
    gap: 15px;
}

.category-menus .btn-outline-secondary {
    border: 2px solid var(--primary-pink);
    color: var(--text-dark);
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-menus .btn-outline-secondary:hover,
.category-menus .btn-outline-secondary.active {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border-color: transparent;
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

/* 商品区域 */
.goods {
    padding: 40px 0 80px;
}

.goods-list {
    position: relative;
}

.tab-content {
    position: relative;
    z-index: 1;
}

/* ===== 通用组件样式 ===== */

/* 按钮样式 */
.btn-secondary {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border: none;
    border-radius: 25px;
    color: var(--text-dark);
    font-weight: 600;
    padding: 12px 25px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink));
}

.btn-pink-theme {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border: none;
    border-radius: 25px;
    color: var(--text-dark);
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.btn-pink-theme:hover {
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink));
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    color: var(--text-dark);
}

.btn-pink-theme:focus {
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink));
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(242, 184, 208, 0.4) !important;
}

/* 表单样式 */
.form-control {
    border: 2px solid var(--primary-pink);
    border-radius: 25px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(242, 184, 208, 0.2);
    background: white;
}

.form-control::placeholder {
    color: transparent;
}

.form-control:focus::placeholder {
    color: #d8d8d8;
}

.form-control-lg {
    border-radius: 12px;
    border: 2px solid var(--primary-pink);
    padding: 12px 20px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control-lg:hover {
    border-color: var(--accent-pink);
    background: white;
    box-shadow: 0 5px 15px rgba(242, 184, 208, 0.2);
}

.form-control-lg:focus {
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(242, 184, 208, 0.3), 0 8px 25px rgba(242, 184, 208, 0.2);
    transform: translateY(-2px);
    background: white;
}

/* 输入框组 */
.input-group {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.input-group .form-control {
    border-radius: 10px 0 0 10px;
    border-right: none;
}

.input-group .btn {
    border-radius: 0 10px 10px 0;
}

.input-group:focus-within {
    box-shadow: 0 0 0 3px rgba(242, 184, 208, 0.3);
    border-radius: 12px;
}

/* 选项卡样式 */
.pink-tabs .nav-link {
    color: var(--text-dark);
    background: white;
    border-radius: 10px;
    margin: 0 5px;
    border: 1px solid var(--primary-pink);
    transition: all 0.3s ease;
}

.pink-tabs .nav-link:hover,
.pink-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    color: var(--text-dark);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.pink-tab-link {
    position: relative;
    color: var(--text-dark) !important;
    background: white !important;
    border-radius: 12px !important;
    margin: 0 8px !important;
    border: 2px solid var(--primary-pink) !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    padding: 12px 24px !important;
    font-weight: 600;
    overflow: hidden;
    z-index: 1;
}

.pink-tab-link:hover {
    color: var(--text-dark) !important;
    border-color: var(--accent-pink) !important;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(242, 184, 208, 0.4) !important;
}

.pink-tab-link.active {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink)) !important;
    color: var(--text-dark) !important;
    border-color: transparent !important;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(242, 184, 208, 0.5) !important;
}

/* 卡片样式 */
.goods .card {
    background: white;
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    position: relative;
}

.goods .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
}

.goods .card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(242, 184, 208, 0.3);
}

.goods .card-body {
    padding: 25px;
}

.goods .card-img-top {
    border-radius: 20px 20px 0 0;
    transition: transform 0.4s ease;
    height: 200px;
    object-fit: cover;
}

.goods .card:hover .card-img-top {
    transform: scale(1.1);
}

.goods .card-title {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 10px;
    min-height: 2.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 商品特定样式 */
.goods .btn-outline-success {
    border: 2px solid var(--accent-pink);
    color: var(--accent-pink);
    background: transparent;
    border-radius: 20px;
    font-weight: 600;
    padding: 8px 15px;
    transition: all 0.3s ease;
}

.goods .btn-outline-success:hover {
    background: var(--accent-pink);
    border-color: var(--accent-pink);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(242, 184, 208, 0.3);
}

.goods .btn-outline-warning {
    border: 2px solid #ffb6c1;
    color: #ff69b4;
    background: transparent;
    border-radius: 20px;
    font-weight: 600;
    padding: 8px 15px;
    transition: all 0.3s ease;
}

.goods .btn-outline-warning:hover {
    background: #ffb6c1;
    border-color: #ffb6c1;
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 182, 193, 0.3);
}

.product-buy-btn {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border: none;
    border-radius: 25px;
    color: var(--text-dark);
    font-weight: 600;
    padding: 10px 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 5px 15px rgba(242, 184, 208, 0.3);
    width: 100%;
    text-align: center;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.product-buy-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink));
    transition: left 0.4s ease;
    z-index: -1;
}

.product-buy-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(242, 184, 208, 0.5);
    color: var(--text-dark);
}

.product-buy-btn:hover::before {
    left: 0;
}

/* 徽章样式 */
.goods .badge {
    border-radius: 15px;
    font-weight: 600;
    padding: 8px 12px;
    font-size: 0.8rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.goods .bg-success {
    background: linear-gradient(135deg, #87e8a7, #4cd964) !important;
}

.goods .bg-warning {
    background: linear-gradient(135deg, #ffd166, #ffb347) !important;
}

/* 支付方式 */
.payment-methods {
    background: linear-gradient(135deg, #fff, var(--secondary-pink));
    padding: 20px;
    border-radius: 15px;
    border: 1px solid var(--primary-pink);
}

.payment-option {
    margin: 8px 0;
}

.payment-label {
    background: white;
    padding: 12px 20px;
    border-radius: 10px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 150px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.payment-label:hover {
    border-color: var(--accent-pink);
    transform: translateY(-2px);
}

.form-check-input:checked + .payment-label {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border-color: var(--accent-pink);
    color: var(--text-dark);
    font-weight: 600;
}

/* 模态框 */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border-radius: 20px 20px 0 0;
    color: var(--text-dark);
}

.modal-title {
    font-weight: 600;
}

.pink-modal .modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 25px 80px rgba(242, 184, 208, 0.3);
}

.pink-modal .modal-header {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
    border-radius: 20px 20px 0 0;
    color: var(--text-dark);
    border-bottom: none;
}

/* ===== 动画和效果 ===== */

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(242, 184, 208, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-pink);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

@keyframes gentlePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes cardFloat {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-5px) scale(1.02); }
    100% { transform: translateY(-10px) scale(1.02); }
}

@keyframes buttonClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

@keyframes buttonPulse {
    0% {
        box-shadow: 0 5px 15px rgba(242, 184, 208, 0.4);
    }
    50% {
        box-shadow: 0 5px 25px rgba(242, 184, 208, 0.6);
    }
    100% {
        box-shadow: 0 5px 15px rgba(242, 184, 208, 0.4);
    }
}

@keyframes subtleBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.card {
    animation: fadeInUp 0.6s ease;
}

.goods .card:hover {
    animation: cardFloat 0.6s ease forwards;
}

.product-buy-btn:active {
    animation: buttonClick 0.2s ease;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .navbar-nav .nav-link {
        padding: 8px 15px !important;
        margin: 5px 0;
    }
    
    .category h3 {
        font-size: 2rem;
    }
    
    .goods .col {
        margin-bottom: 20px;
    }
    
    .goods .card-title {
        font-size: 1rem;
        min-height: 2.4rem;
    }
    
    .product-buy-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .category-menus .btn-outline-secondary {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .pink-tab-link {
        margin: 5px !important;
        padding: 10px 15px !important;
        font-size: 0.9rem;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .form-control-lg {
        padding: 10px 15px;
    }
}

/* ===== 实用工具类 ===== */
.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 25px;
}

.btn-pink-theme:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    animation: none;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
    transition: color 0.3s ease;
}

.form-label:hover {
    color: var(--accent-pink);
}

/* 网格布局优化 */
.row-cols-2.row-cols-md-5.g-4 {
    gap: 1.5rem !important;
}

.goods .col {
    margin-bottom: 1.5rem;
}
/* ===== 安卓商品布局 ===== */
@media (max-width: 768px) {
    .goods .row.row-cols-2 {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 1rem !important;
    }
    
    .goods .col {
        flex: 0 0 48% !important;
        max-width: 48% !important;
        width: 48% !important;
        margin-bottom: 1rem;
    }
    
    /* 卡片在安卓上显示 */
    .goods .card {
        width: 100% !important;
        min-width: 100% !important;
    }
    
    /* 修复flexbox问题 */
    .goods .row {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: space-between !important;
    }
}

/* ===== 通用移动端优化 ===== */
@media (max-width: 576px) {
    .goods .row.row-cols-2 {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.8rem !important;
    }
    
    .goods .col {
        flex: 0 0 48% !important;
        max-width: 48% !important;
        width: 48% !important;
    }
    
    /* 防止卡片内容溢出 */
    .goods .card-body {
        padding: 15px !important;
    }
    
    .goods .card-title {
        font-size: 0.9rem !important;
        min-height: 2.2rem !important;
    }
    
    .product-buy-btn {
        padding: 8px 12px !important;
        font-size: 0.8rem !important;
    }
}

/* ===== 强制网格布局 ===== */
.goods .row.row-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* 覆盖可能存在的bootstrap样式冲突 */
.goods .row {
    --bs-gutter-x: 1rem;
    margin-right: calc(-0.5 * var(--bs-gutter-x));
    margin-left: calc(-0.5 * var(--bs-gutter-x));
}

.goods .row > * {
    padding-right: calc(var(--bs-gutter-x) * 0.5);
    padding-left: calc(var(--bs-gutter-x) * 0.5);
}
/* 商品居中显示控制 */
.goods .row {
    display: flex;
    flex-wrap: wrap;
}

/* 当商品数量不足5个时居中显示 */
@media (min-width: 1025px) {
    .goods .row.justify-center {
        justify-content: center !important;
    }
    
    /* 当只有4个商品时，每个商品宽度调整为22%以保持适当间距 */
    .goods .row.justify-center .col-lg {
        flex: 0 0 22%;
        max-width: 22%;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .goods .row.justify-center {
        justify-content: center !important;
    }
    
    /* 平板端居中时调整宽度 */
    .goods .row.justify-center .col-md-4 {
        flex: 0 0 30%;
        max-width: 30%;
    }
}

@media (max-width: 768px) {
    .goods .row.justify-center {
        justify-content: center !important;
    }
    
    /* 移动端居中时调整宽度 */
    .goods .row.justify-center .col-6 {
        flex: 0 0 45%;
        max-width: 45%;
    }
}