/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* ===== 主容器 ===== */
.container {
    max-width: 1444px;
    margin: 0 auto;
    padding: 40px 0px;
}

/* ===== 深色导航栏 ===== */
.academy-nav {
    background: rgba(18, 18, 18, 0.95);
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    padding: 0;
    position: sticky;
    top: 80px;
    z-index: 99;
    border-bottom: 1px solid #333;
}

.academy-nav .nav-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 240px;
    display: flex;
    align-items: center;
    height: 90px;
}

.academy-nav .nav-logo {
    width: 120px;
    height: 30px;
    background: #333;
    border-radius: 4px;
    margin-right: 40px;
}

.academy-nav .nav-links {
    display: flex;
    gap: 60px;
    flex: 1;
    list-style: none;
    margin: 0;
    padding: 0;
}

.academy-nav .nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s;
    position: relative;
}

.academy-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: #c41d1d;
    transition: width 0.3s;
}

.academy-nav .nav-links a:hover::after,
.academy-nav .nav-links a.active::after {
    width: 100%;
}

/* ===== 页面标题 ===== */
.page-banner {
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    color: #fff;
    padding: 80px 20px;
    text-align: center;
    margin-bottom: 60px;
}

.banner-content h1 {
    font-size: 48px;
    margin-bottom: 15px;
    font-weight: bold;
}

.banner-content p {
    font-size: 18px;
    color: #ddd;
    opacity: 0.9;
}

/* ===== 搜索和过滤区域 ===== */
.search-filter-section {
    background-color: #f9f9f9;
    padding: 40px 20px;
    margin-bottom: 60px;
    border-bottom: 1px solid #e0e0e0;
}

.search-filter-container {
    max-width: 1200px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #c41d1d;
    box-shadow: 0 0 0 3px rgba(196, 29, 29, 0.1);
}

.search-box button {
    padding: 12px 30px;
    background: #c41d1d;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-box button:hover {
    background: #a01515;
}

/* ===== 过滤器 ===== */
.filter-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-group label {
    font-weight: bold;
    font-size: 14px;
    color: #333;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
    cursor: pointer;
    font-size: 13px;
}

.filter-checkbox {
    cursor: pointer;
    accent-color: #c41d1d;
}

.reset-btn {
    padding: 10px 20px;
    background: #f0f0f0;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reset-btn:hover {
    background: #e0e0e0;
    border-color: #999;
}

/* ===== 画家部分 ===== */
.painters-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    margin-bottom: 60px;
}

.painters-container {
    width: 100%;
}

.painters-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.painter-card {
    border-radius: 0px;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.painter-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.painter-image {
    width: 100%;
    height: 280px;
    background-color: #e0e0e0;
    overflow: hidden;
    position: relative;
}

.painter-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.painter-card:hover .painter-image img {
    transform: scale(1.05);
}

.painter-info {
    padding: 20px;
}

.painter-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.painter-position {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    display: inline-block;
    background: #f5f5f5;
    padding: 4px 10px;
    border-radius: 3px;
}

.painter-specialty {
    font-size: 12px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.painter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.painter-tag {
    display: inline-block;
    background: #f0f0f0;
    color: #666;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.painter-view-btn {
    width: 100%;
    padding: 10px;
    background: #c41d1d;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.painter-view-btn:hover {
    background: #a01515;
}

/* ===== 画家章节头部 ===== */
.painters-header {
    background: #fff;
    padding: 60px 0 40px;
}

.painters-header .header-container {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.painters-header .section-title {
    display: flex;
    align-items: center;
    gap: 20px;
}

.painters-header .section-title h2 {


    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 34px;
    color: #262626;
    line-height: 67px;
    letter-spacing: 1px;
    text-align: left;
    font-style: normal;
}

.painters-header .title-label {
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 34px;
    color: #BA9F6F;
    line-height: 48px;
    letter-spacing: 2px;
    text-align: left;
    font-style: normal;
}

.title-divider {
    width: 1px;
    height: 30px;
    background: #262626;
    border: 1px solid #979797;
}

/* ===== 搜索框 ===== */
.painters-header .search-box {
    display: none;
}

/* ===== 搜索框（全局） ===== */
.search-box {
    background: #f5f5f5;
    border-radius: 4px;
    margin-bottom: 100px;
    height: 62px;
    border: 1px solid #ACACAC;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.search-input {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    font-size: 16px;
    background: transparent;
    border: none;
    text-align: center;
    color: #121212;
}

.search-input::placeholder {
    color: #121212;
    text-align: center;
}

.search-input:focus {
    outline: none;
}

.painters-header .search-btn {
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: #c41d1d;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.3s;
}

.painters-header .search-btn:hover {
    background: #a01616;
}

/* ===== 分类标签 ===== */
.painters-tabs {
    background: #fff;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
}

.painters-tabs .tabs-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 240px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.painters-tabs .tab-buttons {
    display: flex;
    gap: 20px;
}

.painters-tabs .tab-btn {
    padding: 12px 32px;


    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    white-space: nowrap;

    background: #EEEEEE;
    border: 1px solid #DDDDDD;

    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 16px;
    color: #262626;
    line-height: 18px;
    text-align: left;
    font-style: normal;
}

.painters-tabs .tab-btn.active {
    background: #C50024;
    border-color: #C50024;
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 18px;
    text-align: left;
    font-style: normal;
}

.painters-tabs .tab-btn:hover:not(.active) {
    border-color: #c40024;
    background: #fafafa;
}

/* ===== 画家卡片网格 ===== */
.painters-grid-section {
    background: #fff;
    padding: 60px 0;
}

.painters-grid-container {
    max-width: 100%;
    margin: 0 auto;
}

.painters-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    justify-items: center;
    margin-left: auto;
    margin-right: auto;
}

.painter-card {
    background: #fff;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    width: 240px;
    height: 309px;
}

.painter-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.painter-card-image {
    width: 100%;
    height: 274px;
    background: #f5f5f5;
    overflow: hidden;
}

.painter-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.painter-card:hover .painter-card-image img {
    transform: scale(1.08);
}

.painter-card-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 240px;
    height: 35px;
    background: #121212;
}

.painter-card-name {

    margin: 0;
    letter-spacing: 0.5px;

    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 16px;
    color: #BA9F6F;
    line-height: 22px;
    letter-spacing: 1px;
    text-align: center;
    font-style: normal;
}

/* ===== 无结果提示 ===== */
.no-result {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

.no-result.hidden {
    display: none;
}

/* ===== 创作采风区域 ===== */
.creation-section {
    background: #fff;
    padding: 80px 0 60px;
}

.creation-container {
    max-width: 100%;
    margin: 0 auto;
}

.creation-section .section-title {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.creation-section .section-title h2 {
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 34px;
    color: #262626;
    line-height: 67px;
    letter-spacing: 1px;
    text-align: left;
    font-style: normal;
}

.creation-section .title-label {
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 34px;
    color: #BA9F6F;
    line-height: 48px;
    letter-spacing: 2px;
    text-align: left;
    font-style: normal;
}

.creation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    justify-content: center;
    margin: 0 auto;
}

.creation-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.creation-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.creation-item-image {
    width: 440px;
    height: 275px;
    background: #f5f5f5;
    overflow: hidden;
}

.creation-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.creation-item:hover .creation-item-image img {
    transform: scale(1.05);
}

.creation-item-content {
    padding: 28px 20px 20px 20px;
    background: #f6f6f6;
    min-height: 140px;
    height: 203px;
}

.creation-item-title {
    margin: 0 0 10px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;

    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 18px;
    color: #000000;
    line-height: 25px;
    text-align: left;
    font-style: normal;
    height: 50px;
}

.creation-item-desc {
    margin: 20px 0 15px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;


    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    font-size: 14px;
    color: #7A7A7A;
    line-height: 23px;
    text-align: left;
    font-style: normal;
}

.creation-item-date {
    font-size: 12px;
    color: #BA9F6F;
    margin: 0;
}

/* ===== 学术研究区域 ===== */
.research-section {
    background: #fff;
    padding: 80px 0 60px;
}

.research-container {
    max-width: 100%;
    margin: 0 auto;
}

.research-section .section-title {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.research-section .section-title h2 {
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 34px;
    color: #262626;
    line-height: 67px;
    letter-spacing: 1px;
    text-align: left;
    font-style: normal;
}

.research-section .title-label {
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 34px;
    color: #BA9F6F;
    line-height: 48px;
    letter-spacing: 2px;
    text-align: left;
    font-style: normal;
}

.research-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 64px;
    justify-content: center;
    margin: 0 auto;
}

.research-item {
    background: #fff;
    padding: 19px 23px 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #E0E0E0;
}

.research-item:hover {
    background: #fff;
    border-color: #d0d0d0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.research-item-content {
    flex: 1;
}

.research-item-title {
    margin: 0 0 0px 0;

    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 18px;
    color: #000000;
    line-height: 25px;
    text-align: left;
    font-style: normal;
}

.research-item-date {
    font-size: 12px;
    color: #ba9f6f;
    margin: 0;
    background: #050505;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {

    .academy-nav .nav-container,
    .painters-header .header-container,
    .painters-tabs .tabs-container,
    .painters-grid-container,
    .creation-container,
    .research-container {
        padding-left: 120px;
        padding-right: 120px;
    }

    .creation-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .research-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .academy-nav {
        top: 70px;
    }

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

    .academy-nav .nav-links {
        gap: 20px;
    }

    .painters-header .header-container {
        flex-direction: column;
        gap: 20px;
        padding: 30px 20px;
    }

    .painters-header .search-box {
        width: 100%;
    }

    .painters-header .search-box input {
        flex: 1;
        width: 100%;
    }

    .painters-tabs .tabs-container {
        flex-wrap: wrap;
        padding: 20px;
    }

    .painters-tabs .tab-btn {
        flex: 1;
        min-width: 140px;
    }

    .painters-grid-container,
    .creation-container,
    .research-container {
        padding: 0 20px;
    }

    .painters-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .creation-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .painters-header .section-title {
        flex-direction: column;
        align-items: flex-start;
    }

    .painters-grid {
        grid-template-columns: 1fr;
    }

    .painters-tabs .tab-btn {
        width: 100%;
    }
}