/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

:root {
    /* 主色调 */
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* 文字色 */
    --text-color: #333;
    --text-light: #666;
    --text-white: #ffffff;
    
    /* 背景色 */
    --bg-color: #f5f7fa;
    --card-color: #ffffff;
    
    /* 边框与阴影 */
    --border-color: #333333;
    --border-radius: 0.5rem;
    --box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 0.5rem 1.5625rem rgba(0, 0, 0, 0.15);
    
    /* 动画 */
    --transition: all 0.3s ease;
    
    /* 字体大小 - 响应式 */
    font-size: clamp(0.75rem, 2vw, 1rem);
}

.display_none{
    display : none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== 头部样式 ===== */
header {
    background: linear-gradient(135deg, var(--primary-color), #2980b9);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 2vw, 1rem) 0;
    min-height: 3.5rem;
}


.logo {
    font-size: clamp(1.6rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.join-btn {
    background: linear-gradient(135deg, var(--success-color), #219653);
    color: var(--text-white);
    border: none;
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(0.5rem, 3vw, 0.75rem);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    font-size: clamp(1.6rem, 2vw, 2em);
    box-shadow: 0 0.125rem 0.5rem rgba(39, 174, 96, 0.3);
    position: relative;
    overflow: hidden;
}

.join-btn::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;
}

.join-btn:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.25rem 0.75rem rgba(39, 174, 96, 0.4);
    background: linear-gradient(135deg, #219653, var(--success-color));
}

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

.join-btn:active {
    transform: translateY(0);
}

.container {
    width: 100%;
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 0.9375rem;
}

/* ===== 搜索区域 ===== */
.search-section {
    padding: clamp(1rem, 3vw, 1.25rem) 0;
    background: var(--card-color);
    border-bottom: 0.0625rem solid var(--border-color);
    border-left: 0.0625rem solid var(--border-color);
    border-right: 0.0625rem solid var(--border-color);
    border-radius: 1rem;
}

.search-section.sticky {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 99;
    box-shadow: var(--box-shadow-lg);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.search-container {
    max-width: 50rem;
    margin: 0 auto;
}

.search-box {
    display: flex;
    max-width: 37.5rem;
    margin: 0 auto;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 0.125rem solid transparent;
    transition: var(--transition);
    background: var(--card-color);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.1875rem rgba(52, 152, 219, 0.1);
}

.search-box input {
    flex: 1;
    padding: clamp(0.75rem, 2.5vw, 0.875rem) clamp(1rem, 3vw, 1.25rem);
    border: none;
    font-size: clamp(1.3rem, 2.5vw, 1.5rem);
    color: var(--text-color);
    background: transparent;
}

.search-box input::placeholder {
    color: var(--text-light);
}

.search-box button {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: 0 clamp(0.5rem, 4vw,1.5rem);
    cursor: pointer;
    transition: var(--transition);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-box button:hover {
    background: #2980b9;
}

.search-item{
    padding-top: clamp(0.5rem, 4vw, 1rem);
    text-align:center;
    font-size : clamp( 1rem, 4vw, 1.5rem);
    font-weight:bold;
}
/* ===== 分类导航 ===== */
.categories {
    padding: 0.7rem 0;
    background: transparent;
}

.categories h2 {
    text-align: center;
    color: var(--secondary-color);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
}

.category-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(9rem, 22vw, 10rem), 1fr));
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.category-item {
    background: var(--card-color);
    border: 0.125rem solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 0.3rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
}

.category-item:hover {
    transform: translateY(-0.3125rem);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.category-item.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--box-shadow-lg);
}

.category-item.active .category-name {
    color: var(--text-white);
}

.category-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
}

/* ===== 子分类区域 ===== */
.subcategory-section {
    background: var(--card-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    border: 0.0625rem solid var(--border-color);
    display: none;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(0.625rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subcategory-section.active {
    display: block;
}

.subcategory-title {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    color: var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.subcategory-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.subcategory-btn {
    background: var(--card-color);
    border: 0.125rem solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.1rem 0.2rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: clamp(1.5rem, 2.2vw, 1.8rem);
    color: var(--text-light);
    font-weight: 500;
}

.subcategory-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.subcategory-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow);
}

.close-subcategory {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-subcategory:hover {
    background: var(--border-color);
    color: var(--text-color);
}

/* ===== 商家列表 ===== */
.business-filters {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 0.75rem 1.25rem;
    border: 0.125rem solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-color);
    font-size: clamp(1.6rem, 2.2vw, 2rem);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    min-width: 9.375rem;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-select:hover {
    border-color: var(--primary-color);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(18rem, 42vw, 20rem), 1fr));
    gap: 1.5rem;
}

.business-card {
    background: var(--card-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 0.125rem solid var(--border-color);
}

.business-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.business-info {
    padding: 0.5rem 2rem;
}

.business-name {
    font-size: clamp(2rem, 3vw, 2.4rem);
    margin-bottom: 0rem;
    color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.3;
}

.business-category {
    display: inline-block;
    background: var(--light-color);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 1.25rem;
    font-size: clamp( 1rem, 2vw, 1.3rem);
    font-weight: 600;
}

.business-description {
    color: var(--text-light);
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.business-contact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 0.0625rem solid var(--border-color);
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
}

.business-contact span {
    color: var(--text-light);
    font-weight: 500;
}

.contact-btn {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: 0.3rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-btn:hover {
    background: #2980b9;
    transform: translateY(-0.125rem);
    box-shadow: var(--box-shadow);
}

/* ===== 商家详情页 ===== */
.business-detail {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
    padding: 1rem;
    animation: fadeIn 0.3s ease-out;
}

.detail-content {
    background: var(--card-color);
    border-radius: var(--border-radius);
    max-width: 56.25rem;
    margin: 2rem auto;
    box-shadow: var(--box-shadow-lg);
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(1.875rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-header {
    position: relative;
}

.detail-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-white);
    border: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
}

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

.detail-body {
    padding: 2rem;
}

.detail-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-name {
    font-size: clamp( 2.2rem, 4vw, 2.8rem);
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.detail-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1rem, 2.5vw, 2rem);
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

/* 图片网格容器 */
.detail-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(100px, 15vw, 140px), 1fr));
    gap: clamp(0.75rem, 2vw, 1.5rem);
    padding: clamp(1rem, 2.5vw, 1.5rem);
}

/* 图片基础样式 */
.detail-images img {
    height: clamp(80px, 12vw, 100px);
    object-fit: cover;
    border-radius: clamp(0.5rem, 1.5vw, 0.8rem);
    cursor: pointer;
    transition: all 0.25s ease;
    -webkit-tap-highlight-color: transparent; /* 移除移动端点击高亮 */
}

.detail-report {
    color: var(--text-light);
    font-size: clamp(1.2rem, 2.2vw, 1.5rem);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.detail-report li {
    padding: 0.75rem 0;
    font-size: clamp(1.6rem, 2.2vw, 2.1rem);
    display: flex;
    align-items: center;
}

.report-select {
    width: clamp(15rem, 2.2vw, 20rem);
    height : 2.5rem;
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
}

.report-textarea {
    width: clamp(15rem, 2.2vw, 20rem);
    height : 10rem;
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
}
.report-btn {
    width: 100%;
    height : 3rem;
    background-color: var(--success-color);
    color: white;
    padding: 0 clamp(0.5rem, 4vw, 0.7rem); 
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    font-size: clamp(1.3rem, 3vw, 1.8rem); 
}
.detail-service img {
    width:100%;
    
}

/* 只在移动端显示手势提示 */
@media (max-width: 768px) {
    
    /* 优化移动端图片网格 */
    .detail-images {
        grid-template-columns: repeat(auto-fit, minmax(clamp(90px, 20vw, 120px), 1fr));
        gap: clamp(0.5rem, 1.5vw, 1rem);
    }
}

/* 响应式调整.detail-info的布局 */
@media (max-width: 768px) {
    .detail-info {
        grid-template-columns: 1fr;
        gap: clamp(1rem, 3vw, 1.5rem);
    }
}


.category_list {
    animation: fade_out 2s ease;
}

@keyframes fade_out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0.3;
        transform: translateY(-3rem);
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: clamp(0.5rem, 1.5vw, 0.75rem) 0;
        min-height: 3rem;
    }
    
    .detail-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.detail-section {
    margin-bottom: 1.5rem;
}

.detail-section h3 {
    font-size: clamp(1.9rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
    color: var(--secondary-color);
    border-bottom: 0.1875rem solid var(--primary-color);
    padding-bottom: 0.5rem;
    font-weight: 700;
}

.service-list {
    list-style-type: none;
}

.service-list li {
    padding: 0.75rem 0;
    border-bottom: 0.0625rem solid var(--border-color);
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.service-list li:hover {
    color: var(--text-color);
    padding-left: 0.5rem;
}

.service-list li:last-child {
    border-bottom: none;
}

.detail-section p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: clamp(1.6rem, 2.2vw, 2.1rem);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 0.625rem); 
    margin-top: clamp(1.5rem, 6vw, 2.5rem); 
    padding: clamp(1rem, 4vw, 1.25rem) 0; 
}
.action-btn {
    flex: 1;
    padding: 0 clamp(0.5rem, 4vw, 0.7rem); 
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    font-size: clamp(1.3rem, 3vw, 1.8rem); 
}

.apply-btn {
    background-color: var(--success-color);
    color: white;
}

.apply-btn:hover {
    background-color: #219653;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        gap: 1rem;
    }
    
    .category-list {
        grid-template-columns: repeat(auto-fill, minmax(clamp(8rem, 18vw, 9rem), 1fr));
        gap: 0.75rem;
    }
    
    .business-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        justify-content: center;
    }
    
    .filter-select {
        min-width: 7.5rem;
        flex: 1;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .search-box button {
        padding: 0 1.25rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0.5rem 0;
        min-height: 2.75rem;
    }
    
    .logo::before {
        font-size: 1.1rem;
    }

    .category-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .detail-body {
        padding: 1.5rem;
    }
    
    .detail-title {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
    
    .search-box {
        max-width: 100%;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 0.625rem;
    height: 0.625rem;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

/* ===== 选择区域美化 ===== */
::selection {
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--text-color);
}

/* ===== 焦点样式 ===== */
:focus-visible {
    outline: 0.125rem solid var(--primary-color);
    outline-offset: 0.125rem;
}

/* ===== 占位符样式 ===== */
::placeholder {
    color: var(--text-light);
    opacity: 1;
}