/* ---------- 仅在PC端显示 ---------- */
@media screen and (min-width: 769px) {
    .pc-only { display: block !important; }
    .mobile-only { display: none !important; }
    
    /* ---------- 顶部信息栏 ---------- */
    .pc-topbar {
        background: var(--primary);
        color: white;
        padding: 8px 0;
        font-size: 13px;
    }
    
    .pc-topbar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .pctop-right{
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .pc-topbar .location {
        display: flex;
        align-items: center;
        gap: 5px;
    }
    
    .pc-topbar .contact-info {
        display: flex;
        gap: 20px;
    }
    
    /* ---------- 主导航栏 ---------- */
    .pc-header {
        background: var(--primary);
        padding: 15px 0;
        position: sticky;
        top: 0;
        z-index: 100;
    }
    
    .pc-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .pc-logo-text {
        display: flex;

        gap: 15px;
        color: white;
        justify-content: space-between;
    }
    
    .pc-logo img {
        max-width: 560px;
    }
    
    /* 搜索框 */
    .pc-search {
        display: flex;
        align-items: center;
        background: rgba(255,255,255,0.15);
        border-radius: 20px;
        padding: 6px 15px;
        width: 200px;
    }
    
    .pc-search input {
        background: transparent;
        border: none;
        color: white;
        width: 100%;
        font-size: 13px;
    }
    
    .pc-search input::placeholder {
        color: rgba(255,255,255,0.7);
    }
    
    .pc-search button {
        background: none;
        color: white;
        font-size: 16px;
    }
    
    /* 导航菜单 */
    .pc-nav {
        
        display: flex;
        gap: 10px;
        justify-content: center;
        background: #fff;
    }
    .pc-nav a:hover{
        background-color: rgba(0,0,0,0.06);
    }
    .pc-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 15px 25px;
        font-size: 16px;
        color: #333;
        transition: all 0.3s;
        position: relative;
    }
    
    .pc-nav-item:hover,
    .pc-nav-item.active {
        background: rgba(255,255,255,0.1);
    }
    
    .pc-nav-item .icon {
        width: 36px;
        height: 36px;
        background: rgba(255,255,255,0.2);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        margin-bottom: 6px;
    }
    
    .pc-nav-item span {
        font-size: 16px;
    }
 /* ---------- 二级导航 ---------- */
    .pc-nav-second ul{
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
        border-bottom: 1px solid #f7f7f7;
    }
    .pc-nav-second ul li{
        color: #666;
    }

      .pc-nav-second ul li a:hover{
        color: #C10B00;
        text-decoration-line: underline;
    } 
    
    /* ---------- Banner轮播 ---------- */
    .pc-banner {
        width: 100%;
        height: 500px;
        position: relative;
        overflow: hidden;
        background: #1a1a1a;
        
    }
    
    .pc-banner-slide {
        position: absolute;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.8s ease;
    }
    
    .pc-banner-slide.active {
        opacity: 1;
    }
    
    .pc-banner-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .pc-banner-dots {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 8px;
    }
    
    .pc-banner-dots .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: rgba(255,255,255,0.5);
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .pc-banner-dots .dot.active {
        background: white;
        width: 24px;
        border-radius: 4px;
    }
    
    /* ---------- 内容区块通用标题 ---------- */
    .pc-section {
        padding: 40px 0;
    }
    
    .pc-section-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 25px;
    }
    
    .pc-section-title {
        font-size: 22px;
        font-weight: bold;
        color: var(--text-primary);
        position: relative;
        padding-left: 15px;
    }
    
    .pc-section-title::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 20px;
        background: var(--primary);
        border-radius: 2px;
    }
    
    .pc-section-more {
        color: var(--text-muted);
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    .pc-section-more:hover {
        color: var(--primary);
    }
    
    /* ---------- 最新动态 ---------- */
    .pc-news {
        display: flex;
        gap: 8;
        justify-content: space-between;
    }
    
    .pc-news-list {
        width: 552px;
        height: 333px;
        padding: 20px;
        background: white;
        border-radius: var(--border-radius);
        border: 1px solid var(--border-color);
    }
    
    .pc-news-list ul {
        list-style: none;
    }
    
    .pc-news-list li {
        list-style: none;
        border-bottom: 1px dashed var(--border-color);
        padding-left: 8px;
        padding:15px 0;
        font-size: 16px;
        color: #333;
        cursor: pointer;
        transition: color 0.3s;
          display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .pc-news-list li:hover {
        color: var(--primary);
    }
    
    .pc-news-list li::before {
        content: "●";
        color: var(--primary);
        font-size: 8px;
        margin-top: 6px;
    }
    
    .pc-news-img {
        width: 592px;
        height: 333px;
        border-radius: var(--border-radius);
        overflow: hidden;
    }
    
    .pc-news-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* ---------- 作品案例网格 ---------- */
    .pc-works-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .pc-works-filter {
        display: flex;
        gap: 5px;
        margin-bottom: 20px;
    }
    .pc-works-filter span{
        font-size: 12px;
    }
    
    /* ---------- 设计理念/地理/工艺/人文 ---------- */
    .pc-concept-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .pc-concept-card {
        position: relative;
        border-radius: var(--border-radius);
        overflow: hidden;
        cursor: pointer;
        border: 1px solid #f7f7f7;
    }
    
    .pc-concept-card img {
        width: 100%;
        aspect-ratio: 16/10;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    
    .pc-concept-card:hover img {
        transform: scale(1.05);
    }
    
    .pc-concept-card .title {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(transparent, rgba(0,0,0,0.7));
        color: white;
        padding: 30px 15px 15px;
        font-size: 14px;
    }
    
    /* ---------- 全国合伙人地图 ---------- */
    .pc-partners {
        text-align: center;
    }
    
    .pc-map-container {
        position: relative;
        max-width: 800px;
        margin: 30px auto;
    }
    
    .pc-map-container img {
        width: 100%;
    }
    
    .pc-map-legend {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 20px;
        font-size: 14px;
    }
    
    .pc-map-legend .item {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    
    .pc-map-legend .color-box {
        width: 20px;
        height: 14px;
        border-radius: 2px;
    }
    
    /* ---------- 底部 ---------- */
    .pc-footer {
        width: 100%;
        color: white;
        margin-top: 20px;
         background: #FBF1F0;
    }
    
    .pc-footer-content {
        max-width: 1200px;
        margin:0 auto;
        width: 100%;
        background: #FBF1F0;
    }

    
    .pc-footer-contact {
        font-size: 14px;
        line-height: 2;
    }
    
    .pc-footer-bar {
        padding: 20px;
        text-align: center;
        font-size: 12px;
        color: #fff;
        background: #C10B00;
    }
    
    /* ---------- 浮动按钮 ---------- */
    .pc-float-btns {
        position: fixed;
        right: 20px;
        bottom: 100px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 99;
    }
    
    .pc-float-btn {
        width: 200px;
        height: 36px;
        background: #C10B00;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        cursor: pointer;
        /* box-shadow: 0 2px 8px rgba(196, 30, 36, 0.3); */
        transition: all 0.3s;
    }
    
    .pc-float-btn:hover {
        transform: scale(1.1);
    }
    
    /* ---------- 列表页PC适配 ---------- */
    .pc-list-container {
        display: flex;
        gap: 10px;
        padding: 10px 0;
    }
    
    .pc-list-sidebar {
        width: 240px;
        flex-shrink: 0;
    }
    
    .pc-list-main {
        flex: 1;
    }
    
    .pc-list-filters {
        display: flex;
        gap: 10px;
        padding: 10px;
        background: white;
        border-radius: var(--border-radius);
        /* border: 1px solid var(--border-color); */
    }
    
    .pc-list-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;

    }
    
    .pc-list-item {
        background: white;
        border-radius: var(--border-radius);
        overflow: hidden;
        border: 1px solid var(--border-color);
        transition: all 0.3s;
    }
    
    .pc-list-item:hover {
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
    
    .pc-list-item .img-wrap {
        position: relative;
        aspect-ratio: 16/9;
    }
    
    .pc-list-item .img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .pc-list-item .play-icon {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 60px;
        height: 60px;
        background: rgba(255,255,255,0.9);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--primary);
    }
    
    .pc-list-item .info {
        padding: 15px;
    }
    
    .pc-list-item .info h3 {
        font-size: 16px;
        margin-bottom: 10px;
        color: var(--text-primary);
    }
    
    .pc-list-item .meta {
        display: flex;
        gap: 20px;
        color: var(--text-muted);
        font-size: 13px;
    }
    
    .pc-list-item .meta span {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    /* ---------- 详情页PC ---------- */
    .pc-detail-container {
        max-width: 900px;
        margin: 0 auto;
        padding: 30px 0;
    }
    
    .pc-detail-title {
        font-size: 28px;
        font-weight: bold;
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    .pc-detail-content {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-secondary);
    }
    
    .pc-detail-content p {
        margin-bottom: 20px;
        text-indent: 2em;
    }
    
    .pc-detail-content img {
        width: 100%;
        border-radius: var(--border-radius);
        margin: 20px 0;
    }
    
    .pc-detail-actions {
        display: flex;
        justify-content: right;
        gap: 30px;
        margin: 30px 0;
        padding: 20px;
        border-top: 1px solid var(--border-color);
    }
    
    .pc-detail-actions .action {
        display: flex;
        align-items: center;
        gap: 6px;
        color: var(--text-muted);
        cursor: pointer;
        transition: color 0.3s;
    }
    
    .pc-detail-actions .action:hover {
        color: var(--primary);
    }
    
    .pc-detail-actions .action .num {
        font-size: 14px;
    }
    
    /* ---------- 登录页PC ---------- */
    .pc-login-container {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: calc(100vh - 200px);
        padding: 40px 0;
    }
    
    .pc-login-box {
        width: 100%;
        max-width: 450px;
        background: white;
        border-radius: var(--border-radius);
        padding: 40px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }
    
    .pc-login-logo {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .pc-login-logo h2 {
        font-size: 32px;
        font-family: "STXingkai", "KaiTi", serif;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    
    .pc-login-logo p {
        color: var(--primary);
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .pc-form-group {
        margin-bottom: 25px;
    }
    
    .pc-form-group label {
        display: block;
        margin-bottom: 8px;
        font-size: 14px;
        color: var(--text-primary);
    }
    
    .pc-form-group input {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid var(--border-color);
        border-radius: 25px;
        font-size: 15px;
        transition: border-color 0.3s;
    }
    
    .pc-form-group input:focus {
        border-color: var(--primary);
    }
    
    .pc-form-group .input-row {
        display: flex;
        gap: 10px;
    }
    
    .pc-form-group .input-row input {
        flex: 1;
    }
    
    .pc-form-group .input-row button {
        padding: 12px 20px;
        background: var(--bg-gray);
        border-radius: 25px;
        font-size: 14px;
        white-space: nowrap;
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .pc-form-group .input-row button:hover {
        background: var(--primary-light);
        color: var(--primary);
    }
    
    .pc-form-check {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 25px;
        font-size: 13px;
        color: var(--text-secondary);
    }
    
    .pc-form-check input[type="checkbox"] {
        width: 16px;
        height: 16px;
        accent-color: var(--primary);
    }
    
    .pc-form-check a {
        color: var(--primary);
    }
    
    .pc-btn-submit {
        width: 100%;
        padding: 14px;
        background: var(--primary);
        color: white;
        border-radius: 25px;
        font-size: 16px;
        cursor: pointer;
        transition: background 0.3s;
    }
    
    .pc-btn-submit:hover {
        background: var(--primary-dark);
    }
    
    .pc-login-divider {
        display: flex;
        align-items: center;
        gap: 15px;
        margin: 30px 0;
        color: var(--text-muted);
        font-size: 14px;
    }
    
    .pc-login-divider::before,
    .pc-login-divider::after {
        content: "";
        flex: 1;
        height: 1px;
        background: var(--border-color);
    }
    
    .pc-login-wechat {
        display: flex;
        justify-content: center;
    }
    
    .pc-login-wechat a {
        width: 50px;
        height: 50px;
        background: #07c160;
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        transition: transform 0.3s;
    }
    
    .pc-login-wechat a:hover {
        transform: scale(1.1);
    }
    
    /* ---------- 提交页PC ---------- */
    .pc-tijiao-container {
        max-width: 700px;
        margin: 0 auto;
        padding: 40px 0;
    }
    
    .pc-tijiao-box {
        background: white;
        border-radius: var(--border-radius);
        padding: 40px;
        box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    }
    
    .pc-tijiao-phone {
        text-align: center;
        margin-bottom: 30px;
        padding-bottom: 30px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .pc-tijiao-phone .phone-num {
        font-size: 24px;
        font-weight: bold;
        color: var(--text-primary);
        margin-bottom: 8px;
    }
    
    .pc-tijiao-phone .phone-num::before {
        content: "📞 ";
    }
    
    .pc-tijiao-phone p {
        color: var(--text-muted);
        font-size: 14px;
    }
    
    .pc-tijiao-form .form-row {
        margin-bottom: 20px;
    }
    
    .pc-tijiao-form .form-row label {
        display: block;
        margin-bottom: 8px;
        font-size: 15px;
        color: var(--text-primary);
    }
    
    .pc-tijiao-form .radio-group {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .pc-tijiao-form .radio-item {
        display: flex;
        align-items: center;
        gap: 6px;
        cursor: pointer;
    }
    
    .pc-tijiao-form .radio-item input[type="radio"] {
        width: 18px;
        height: 18px;
        accent-color: var(--primary);
    }
    
    .pc-tijiao-form input[type="text"],
    .pc-tijiao-form textarea,
    .pc-tijiao-form select {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        font-size: 15px;
    }
    
    .pc-tijiao-form textarea {
        min-height: 150px;
        resize: vertical;
    }
    
    .pc-tijiao-form select {
        width: auto;
        min-width: 200px;
        cursor: pointer;
    }
    
    .pc-tijiao-form .submit-btn {
        display: block;
        width: 200px;
        margin: 30px auto 0;
        padding: 14px;
        background: var(--bg-gray);
        color: var(--text-secondary);
        border-radius: var(--border-radius);
        font-size: 16px;
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .pc-tijiao-form .submit-btn:hover {
        background: var(--primary);
        color: white;
    }
}