/* ============================================
   方程鲸官网 公共样式
   ============================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; overflow-x: hidden; }
body {
    font-family: "Source Han Sans CN", "Microsoft YaHei", sans-serif;
    background: #F8F8F8;
    color: #333;
    font-size: 16px;
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; transition: all 0.3s; }
img { max-width: 100%; display: block; }
ul, li { list-style: none; }
.container { width: 90%; max-width: 100%; margin: 0 auto; }
.clearfix::after { content: ''; display: block; clear: both; }

/* ========== 头部导航 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s;
    background: transparent;
}
.header.scrolled {
    background: rgba(239, 233, 230, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header .header-inner {
    width: auto;
    max-width: 1800px;
    margin-left: 4%;
    padding: 0 50px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header .header-logo {
    flex-shrink: 0;
    margin-left: -30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}
.header .header-logo .logo img {
    margin-left: -10px;
    max-height: clamp(28px, 2.5vw, 44px);
    height: clamp(28px, 2.5vw, 44px);
    width: auto;
    transition: max-height 0.2s ease, height 0.2s ease;
    margin-top: -10px;
}
.header .header-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    margin-left: 30px;
    padding-right: 40px;
}
.header .logo {
    display: flex;
    align-items: center;
    font-size: clamp(20px, 2vw, 36px);
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
}
.header.scrolled .logo { color: #333; }
.header .logo img { height: clamp(44px, 3.2vw, 72px); margin-right: 8px; }
/* 默认banner区域显示白色logo */
.header .logo .logo-black { display: none; }
.header .logo .logo-white { display: block; }
/* 滚动后显示黑色logo */
.header.scrolled .logo .logo-black { display: block; }
.header.scrolled .logo .logo-white { display: none; }
.header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.header .nav > li {
    position: relative;
    flex-shrink: 0;
    width: auto;
    text-align: center;
    padding: 0 5px;
}
.header .nav > li > a {
    display: block;
    padding: 30px 0;
    font-size: clamp(16px, 1vw, 22px);
    font-weight: normal;
    color: #fff;
    position: relative;
    white-space: nowrap;
}
.header.scrolled .nav > li > a { color: #333; }
.header .nav > li.active > a { font-weight: bold; }
.header .nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #764811;
    transition: all 0.3s;
    transform: translateX(-50%);
}
.header .nav > li:hover > a::after,
.header .nav > li.active > a::after { width: 24px; }
.header .nav > li:hover .dropdown {
    opacity: 1;
    visibility: visible;
}
.header .dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    border-radius: 0;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    padding: 10px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}
.header .nav > li:hover .dropdown {
    transform: translateX(-50%) translateY(0);
}
/* 最右侧导航项的下拉菜单右对齐，防止超出屏幕 */
.header .nav > li:last-child .dropdown {
    left: auto;
    right: 0;
    transform: translateY(10px);
}
.header .nav > li:last-child:hover .dropdown {
    transform: translateY(0);
}
.header .dropdown li a {
    display: block;
    padding: 10px 20px;
    font-size: clamp(12px, 1vw, 15px);
    color: #666;
    white-space: nowrap;
    transition: font-size 0.2s ease, padding 0.2s ease;
}
.header .dropdown li a:hover {
    color: #764811;
    background: #f8f5f2;
}
.header .search-btn {
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    margin-left: 20px;
    padding: 30px 0;
}
.header.scrolled .search-btn { color: #333; }

/* 搜索弹窗 */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 150px;
}
.search-modal.active { display: flex; }
.search-modal .search-box {
    width: 600px;
    background: #fff;
    border-radius: 0;
    padding: 30px;
    position: relative;
}
.search-modal .search-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}
.search-modal input {
    width: 100%;
    height: 50px;
    border: 2px solid #ddd;
    border-radius: 0;
    padding: 0 20px;
    font-size: 16px;
    outline: none;
}
.search-modal input:focus { border-color: #764811; }

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
}
.header.scrolled .mobile-menu-btn { color: #333; }

/* ========== 底部 ========== */
.footer {
    background: url('../whale/images/footer-bg.png') center/cover no-repeat;
    padding: 60px 0 30px;
    border-top: 1px solid #ddd;
}
.footer .footer-inner {
    width: auto;
    max-width: 1200px;
    margin-left: 5%;
}
.footer .footer-content {
    text-align: left;
}
.footer .footer-logo {
    margin-bottom: 20px;
}
.footer .footer-logo img {
    height: 36px;
}
.footer .footer-desc {
    color: #333333;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 15px;
}
.footer .footer-text {
    color: #333333;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 15px;
}
.footer .footer-icp {
    color: #333333;
    font-size: 13px;
}
.footer .footer-icp a { color: #333333; }
.footer .footer-icp a:hover { color: #71543E; }

/* ========== 内页Banner ========== */
.page-banner {
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
}
.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}
.page-banner .banner-content {
    position: relative;
    z-index: 2;
    text-align: left;
    color: #fff;
    margin-left: 5%;
}
.page-banner .banner-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 15px;
    letter-spacing: 4px;
}
.page-banner .banner-desc {
    font-size: 18px;
    opacity: 0.9;
}

/* ========== 通用列表页 ========== */
.page-main {
    background: #F8F8F8;
    padding: 60px 0;
    min-height: 600px;
}
.section-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 40px;
    text-align: left;
}
.article-list {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}
.article-item {
    width: 33.333%;
    padding: 0 15px;
    margin-bottom: 40px;
}
.article-item .item-img {
    width: 100%;
    height: 240px;
    overflow: hidden;
    border-radius: 0;
    margin-bottom: 20px;
}
.article-item .item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.article-item:hover .item-img img { transform: scale(1.05); }
.article-item .item-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-item .item-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分页 */
.pagination-wrap {
    text-align: center !important;
    margin-top: 60px !important;
    padding-bottom: 20px;
}
.pagination-wrap .pagination,
.pagination {
    display: inline-block !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    text-align: center !important;
}
.pagination-wrap .pagination li,
.pagination li {
    display: inline-block !important;
    margin: 0 4px !important;
    float: none !important;
}
.pagination-wrap .pagination a,
.pagination-wrap .pagination span,
.pagination a, .pagination span {
    display: inline-block !important;
    min-width: 36px !important;
    height: 36px !important;
    line-height: 36px !important;
    text-align: center !important;
    border: 1px solid #C3B7A6 !important;
    border-radius: 0 !important;
    padding: 0 10px !important;
    color: #666 !important;
    font-size: 14px !important;
    text-decoration: none !important;
    float: none !important;
}
.pagination-wrap .pagination a:hover {
    background: #F0EBE7 !important;
    color: #71543E !important;
    border-color: #71543E !important;
}
.pagination-wrap .pagination .active span,
.pagination-wrap .pagination .current,
.pagination .active span, .pagination .current {
    background: #71543E !important;
    color: #fff !important;
    border-color: #71543E !important;
}
.pagination-wrap .pagination .disabled span {
    color: #ccc !important;
    border-color: #eee !important;
}

/* 博士论文库横向卡片 */
.article-list-horizontal {
    display: block;
    margin: 0;
}
.article-list-horizontal .article-item {
    width: 100%;
    padding: 0;
    margin-bottom: 20px;
}
.article-list-horizontal .article-link {
    display: flex;
    align-items: center;
    background: #F8F8F8;
    text-decoration: none;
    transition: background 0.3s;
}
.article-list-horizontal .article-link:hover {
    background: #F0EBE7;
}
.article-list-horizontal .item-img {
    width: 20%;
    height: 180px;
    margin-bottom: 0;
    flex-shrink: 0;
}
.article-list-horizontal .item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.article-list-horizontal .item-body {
    width: 80%;
    flex: none;
    padding: 20px 30px;
}
.article-list-horizontal .item-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 12px;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}
.article-list-horizontal .item-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-list-horizontal .item-arrow {
    padding-right: 30px;
    flex-shrink: 0;
}
.article-list-horizontal .item-arrow svg {
    display: block;
}

/* ========== 文章详情页 ========== */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
}
.article-detail .detail-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    text-align: left;
}
.article-detail .detail-meta {
    text-align: left;
    color: #999;
    font-size: 14px;
    margin-bottom: 40px;
}
.article-detail .detail-content {
    font-size: 16px;
    line-height: 2;
    /* color: #555; 不设置固定颜色，让编辑器里的颜色原样显示 */
}
.article-detail .detail-content p { margin-bottom: 20px; }
.article-detail .detail-content img {
    max-width: 100%;
    border-radius: 0;
    margin: 20px auto;
}

/* 文章详情首图+油烟机装饰 */
.detail-hero {
    position: relative;
    margin-bottom: 50px;
}
.detail-hero .hero-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 0;
}
.detail-hero .hero-line {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    opacity: 0.3;
}

/* ========== 单页（右侧首图） ========== */
.single-page {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.single-page .single-content {
    flex: 1;
}
.single-page .single-image {
    width: 400px;
    flex-shrink: 0;
    position: sticky;
    top: 120px;
}
.single-page .single-image img {
    width: 100%;
    border-radius: 0;
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
    .container, .header .header-inner, .footer .footer-inner { width: 96%; }
}
@media (max-width: 768px) {
    .header .nav { display: none; }
    .mobile-menu-btn { display: block; }
    .header .nav.mobile-open {
        display: block;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 20px;
    }
    .header .nav.mobile-open > li { margin: 0; }
    .header .nav.mobile-open > li > a { color: #333; padding: 15px 0; }
    .article-item { width: 100%; }
    .single-page { flex-direction: column; }
    .single-page .single-image { width: 100%; position: static; }
    .page-banner { height: 250px; }
    .page-banner .banner-title { font-size: 28px; }
    .footer .footer-inner { flex-direction: column; gap: 30px; }
    .footer .footer-right { text-align: left; }
    .content-wrap { flex-direction: column; }
    /* 手机端分类放最上面，扁一些，占90%宽度 */
    .sidebar {
        width: 90% !important;
        margin: 0 auto 15px !important;
        padding: 6px 10px !important;
        position: static !important;
        top: auto !important;
    }
    .sidebar-title {
        font-size: 13px !important;
        margin-bottom: 4px !important;
        padding-bottom: 4px !important;
    }
    .sidebar-list li { margin-bottom: 1px !important; }
    .sidebar-list > li > a {
        padding: 5px 8px !important;
        font-size: 12px !important;
    }
    .sidebar-sub { padding-left: 8px !important; margin-top: 1px !important; }
    .sidebar-sub li a { padding: 4px 8px !important; font-size: 11px !important; margin-bottom: 2px !important; }
    /* 手机端首图固定在标题下、正文上 */
    .main-content.doctor-page {
        min-height: auto;
        overflow: visible;
        position: static;
    }
    .main-content.doctor-page .page-title {
        width: 100% !important;
        margin-bottom: 15px;
    }
    .main-content.doctor-page .page-content {
        width: 100% !important;
    }
    .main-content.doctor-page .doctor-fixed-image {
        position: static !important;
        width: 100% !important;
        max-height: none !important;
        transform: none !important;
        margin: 0 0 20px 0 !important;
        float: none !important;
        clear: both !important;
        top: auto !important;
        right: auto !important;
    }
    .main-content.doctor-page .doctor-fixed-image img {
        max-height: none !important;
        width: 100% !important;
    }
    /* 手机端面包屑：banner下面先显示导航，搜索框放下面 */
    .breadcrumb-bar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .breadcrumb-search {
        width: 100%;
    }
    .breadcrumb-search form {
        width: 100%;
    }
    .breadcrumb-search .search-input {
        flex: 1;
        width: auto;
    }
    .timeline-item { flex-direction: column; }
    .timeline-image { width: 100%; margin-top: 15px; }
    .role-item { flex-direction: column; }
    .role-image { width: 100%; }
}

/* ========== 面包屑导航 ========== */
.breadcrumb-bar {
    background: #F0EBE7;
    border-bottom: 1px solid #e0d8d2;
    padding: 15px 0;
}
.breadcrumb-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.breadcrumb {
    font-size: 14px;
    color: #999;
}
.breadcrumb a { color: #666; }
.breadcrumb a:hover { color: #764811; }
.breadcrumb span { margin: 0 8px; }
.breadcrumb-search form {
    display: flex;
    align-items: center;
    border: 1px solid #764811;
    border-radius: 0;
    overflow: hidden;
    background: transparent;
}
.breadcrumb-search .search-input {
    border: none;
    padding: 8px 15px;
    font-size: 14px;
    width: 200px;
    outline: none;
    background: transparent;
    color: #333;
}
.breadcrumb-search .search-input::placeholder { color: #999; }
.breadcrumb-search button {
    border: none;
    background: transparent;
    color: #764811;
    width: 40px;
    height: 36px;
    cursor: pointer;
    font-size: 0;
    position: relative;
}
.breadcrumb-search button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    background: url('../whale/images/search-icon.png') center/contain no-repeat;
}

/* ========== 带侧边栏布局 ========== */
.with-sidebar { padding: 40px 0; }
.content-wrap {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: #F0EBE7;
    border: 1px solid #C3B7A6;
    border-radius: 0;
    padding: 25px;
    position: sticky;
    top: 100px;
}
.sidebar-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #C3B7A6;
}
.sidebar-list li { margin-bottom: 5px; }
.sidebar-list > li > a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    font-size: 15px;
    color: #333333;
    font-weight: bold;
    border-radius: 0;
    transition: all 0.3s;
}
.sidebar-list > li > a:hover {
    background: #F0EBE7;
    color: #71543E;
}
.sidebar-list > li.active > a {
    background: #F0EBE7;
    color: #71543E;
    font-weight: 500;
}
.sidebar-list .dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #71543E;
    border-radius: 0;
    margin-right: 10px;
}
.sidebar-sub {
    padding-left: 20px;
    margin-top: 5px;
}
.sidebar-sub li a {
    display: block;
    padding: 8px 15px;
    font-size: 14px;
    color: #C3B7A6;
    font-weight: bold;
    border: 1px solid #C3B7A6;
    border-radius: 20px;
    margin-bottom: 6px;
}
.sidebar-sub li.active a {
    color: #71543E;
    border: none;
    background: #EDE6E2;
}
.sidebar-sub li a:hover {
    color: #71543E;
    border-color: #71543E;
    background: #F0EBE7;
}
.main-content {
    flex: 1;
    min-width: 0;
}
/* 博士寄语 - 右侧固定图片 */
.main-content.doctor-page {
    position: relative;
    min-height: 500px;
    overflow: hidden;
}
.main-content.doctor-page .page-title {
    width: 55%;
}
.main-content.doctor-page .page-content {
    width: 55%;
}
.doctor-fixed-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40%;
    max-height: 550px;
    overflow: hidden;
}
.doctor-fixed-image img {
    width: 100%;
    max-height: 550px;
    object-fit: contain;
    display: block;
}
.page-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}
.page-intro {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}
.page-content {
    font-size: 16px;
    line-height: 1.8;
    /* color: #555; 不设置固定颜色，让编辑器里的颜色原样显示 */
}
.page-content p { margin-bottom: 15px; }
.page-content img {
    max-width: 100%;
    border-radius: 0;
    margin: 20px auto;
}
.page-hero-image {
    margin-bottom: 30px;
    border-radius: 0;
    overflow: hidden;
}
.page-hero-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

/* ========== 时间线（研发日志） ========== */
.timeline-list { position: relative; }
.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 30px 0;
    position: relative;
    opacity: 0;
    transform: translateY(60px);
    animation: timelineFadeIn 1s ease forwards;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: 95px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #e0d8d2;
}
.timeline-date {
    width: 70px;
    flex-shrink: 0;
    text-align: right;
    padding-top: 5px;
}
.timeline-date .date-year {
    font-size: 16px;
    color: #764811;
    font-weight: 500;
}
.timeline-date .date-day {
    font-size: 14px;
    color: #999;
}
.timeline-dot {
    width: 20px;
    height: 20px;
    background: #A2836A;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
    margin-left: -10px;
    position: relative;
    z-index: 2;
}
.timeline-content {
    flex: 1;
    min-width: 0;
}
.timeline-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 12px;
    transition: color 0.3s;
}
.timeline-item:hover .timeline-title { color: #764811; }
.timeline-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 12px;
}
.timeline-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #f3ebe3;
    color: #764811;
    font-size: 13px;
    border-radius: 0;
}
.timeline-image {
    width: 280px;
    flex-shrink: 0;
    border-radius: 0;
    overflow: hidden;
}
.timeline-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.5s;
}
.timeline-item:hover .timeline-image img { transform: scale(1.05); }

@keyframes timelineFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }
.timeline-item:nth-child(4) { animation-delay: 0.8s; }
.timeline-item:nth-child(5) { animation-delay: 1s; }

/* ========== 角色列表（加入行动） ========== */
.role-list { margin-top: 30px; }
.role-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background: #fff;
    border-radius: 0;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s;
}
.role-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.role-image {
    width: 200px;
    height: 130px;
    flex-shrink: 0;
    border-radius: 0;
    overflow: hidden;
}
.role-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.role-info { flex: 1; }
.role-tag {
    display: inline-block;
    padding: 3px 10px;
    background: #764811;
    color: #fff;
    font-size: 13px;
    border-radius: 0;
    margin-bottom: 10px;
}
.role-name {
    font-size: 22px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}
.role-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}
.role-arrow {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    background: #f3ebe3;
    transition: all 0.3s;
}
.role-arrow:hover {
    background: #764811;
}
.role-arrow img { width: 16px; }

/* 文章详情页右侧首图+油烟机 */
.article-detail-with-side {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    max-width: 100%;
}
.article-detail-with-side .detail-content-wrapper {
    flex: 1;
    min-width: 0;
}
.article-detail-with-side .detail-side-image {
    width: 320px;
    flex-shrink: 0;
    position: relative;
    padding-top: 60px;
}
.article-detail-with-side .side-image {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 2;
}
.article-detail-with-side .side-line {
    position: absolute;
    top: 0;
    right: -30px;
    width: 200px;
    height: auto;
    opacity: 0.6;
    z-index: 1;
    pointer-events: none;
}
@media (max-width: 768px) {
    .article-detail-with-side {
        flex-direction: column;
    }
    .article-detail-with-side .detail-side-image {
        width: 100%;
        order: -1;
        padding-top: 0;
        margin-bottom: 20px;
    }
    .article-detail-with-side .side-line {
        display: none;
    }
}

/* 博士论文库箭头icon放大 */
.article-list-horizontal .item-arrow svg {
    width: 50px !important;
    height: 50px !important;
}


/* 设计师名录列表 - 首图340*370 */
.designer-list .article-item {
    width: 340px;
}
.designer-list .item-img {
    width: 340px;
    height: 370px;
    overflow: hidden;
}
.designer-list .item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}


/* 设计师名录列表 - grid布局 */
.designer-list {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
    width: 100% !important;
}
.designer-list .article-item {
    width: 100% !important;
    margin: 0 !important;
}
.designer-list .item-img {
    width: 100% !important;
    height: 370px !important;
    aspect-ratio: 340/370;
}
@media (max-width: 768px) {
    .designer-list {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }
    .designer-list .item-img {
        height: 200px !important;
    }
}

/* 设计师名录列表 - 按设计稿 */
.designer-list {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 0 !important;
    width: 100% !important;
}
.designer-list .article-item {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 30px !important;
    position: relative !important;
}
/* 竖线分隔 - PC端每行第1、2个加右侧竖线 */
.designer-list .article-item:nth-child(3n+1)::after,
.designer-list .article-item:nth-child(3n+2)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 1px;
    height: 648px;
    background: #DAD2CA;
}
.designer-list .item-img {
    width: 334px !important;
    height: 372px !important;
    overflow: hidden;
    max-width: 100%;
}
.designer-list .item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.designer-list .item-name {
    font-size: 32px;
    font-weight: bold;
    color: #333333;
    text-align: left;
    margin-top: 24px;
    line-height: 1.2;
}
.designer-list .item-position {
    font-size: 28px;
    font-weight: 400;
    color: #333333;
    text-align: left;
    margin-top: 12px;
    line-height: 1.2;
}
.designer-list .item-description {
    font-size: 26px;
    font-weight: 400;
    color: #333333;
    text-align: left;
    margin-top: 12px;
    min-height: 70px;
    line-height: 1.4;
}
.designer-list .item-arrow {
    margin-top: 20px;
    text-align: left;
}
.designer-list .item-arrow img {
    display: inline-block;
}
@media (max-width: 768px) {
    .designer-list {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .designer-list .article-item {
        padding: 0 15px !important;
    }
    .designer-list .article-item:nth-child(3n+1)::after,
    .designer-list .article-item:nth-child(3n+2)::after {
        display: none;
    }
    .designer-list .article-item:nth-child(2n+1)::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        width: 1px;
        height: 400px;
        background: #DAD2CA;
    }
    .designer-list .item-img {
        width: 100% !important;
        height: 180px !important;
    }
    .designer-list .item-name { font-size: 20px; }
    .designer-list .item-position { font-size: 18px; }
    .designer-list .item-description { font-size: 16px; min-height: auto; }
}

/* 设计师名录间距调整 */
.designer-list .item-position { margin-top: 24px !important; }
.designer-list .item-description { margin-top: 40px !important; }
.designer-list .item-arrow { margin-top: 25px !important; }

/* 设计师名录 - 响应式自适应 */
.designer-list .item-img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 334/372 !important;
}
.designer-list .item-name {
    font-size: clamp(20px, 2.2vw, 32px) !important;
}
.designer-list .item-position {
    font-size: clamp(16px, 1.6vw, 22px) !important;
    margin-top: 16px !important;
}
.designer-list .item-description {
    font-size: clamp(14px, 1.4vw, 20px) !important;
    margin-top: 24px !important;
    min-height: auto !important;
    height: auto !important;
    overflow: visible !important;
    line-height: 1.6 !important;
}
.designer-list .item-arrow {
    margin-top: 16px !important;
}
.designer-list .item-arrow img {
    width: clamp(30px, 3vw, 50px) !important;
    height: auto !important;
}
.designer-list .article-item::after {
    height: 100% !important;
    max-height: 648px !important;
}
@media (max-width: 768px) {
    .designer-list .item-position { font-size: 14px !important; margin-top: 10px !important; }
    .designer-list .item-description { font-size: 13px !important; margin-top: 14px !important; }
    .designer-list .item-name { font-size: 18px !important; }
}

/* 设计师字号再调小 */
.designer-list .item-name { font-size: clamp(18px, 1.8vw, 26px) !important; }
.designer-list .item-position { font-size: clamp(14px, 1.3vw, 18px) !important; }
.designer-list .item-description { font-size: clamp(12px, 1.1vw, 16px) !important; }
.designer-list .item-arrow img { width: clamp(20px, 2vw, 35px) !important; }


/* 设计师图片最大440*493 */
.designer-list .item-img {
    max-width: 440px !important;
    aspect-ratio: 440/493 !important;
}


/* 设计师图片最终比例 440*493 */
.designer-list .item-img {
    width: 100% !important;
    max-width: 440px !important;
    height: auto !important;
    aspect-ratio: 440/493 !important;
    overflow: hidden;
}
.designer-list .item-img img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}


/* 所有内页banner标题和简介统一用宋体 */
.page-banner .banner-title {
    font-family: "Songti SC", "SimSun", "STSong", serif !important;
}
.page-banner .banner-desc {
    font-family: "Songti SC", "SimSun", "STSong", serif !important;
}

/* 文章详情页 - 文字环绕首图 */
.article-detail-with-side .detail-content {
    overflow: hidden;
}
.detail-float-image {
    float: right;
    width: 400px;
    max-width: 45%;
    margin: 0 0 25px 35px;
    position: relative;
}
.detail-float-image .float-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}
.detail-float-image .float-line {
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: auto;
    opacity: 0.6;
    pointer-events: none;
}
@media (max-width: 768px) {
    .detail-float-image {
        float: none;
        width: 100%;
        max-width: 100%;
        margin: 0 0 20px 0;
    }
    .detail-float-image .float-line {
        display: none;
    }
}
/* 文章详情页 - 文字环绕首图（按设计稿） */
.article-detail-with-side .detail-content {
    overflow: hidden;
}
.detail-float-image {
    float: right;
    width: 520px;
    max-width: 50%;
    margin: 5px 0 25px 40px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.detail-float-image .float-img {
    width: 400px;
    max-width: 78%;
    height: auto;
    display: block;
    flex-shrink: 0;
}
.detail-float-image .float-line {
    width: 100px;
    max-width: 20%;
    height: auto;
    opacity: 0.7;
    flex-shrink: 0;
}
@media (max-width: 768px) {
    .detail-float-image {
        float: none;
        width: 100%;
        max-width: 100%;
        margin: 0 0 20px 0;
    }
    .detail-float-image .float-img {
        width: 100%;
        max-width: 100%;
    }
    .detail-float-image .float-line {
        display: none;
    }
}
/* 文章详情页 - 文字环绕首图（修正版） */
.article-detail-with-side .detail-content {
    overflow: visible;
}
.detail-float-image {
    float: right;
    width: 420px;
    max-width: 45%;
    margin: 5px 130px 25px 40px;
    position: relative;
}
.detail-float-image .float-img {
    width: 100%;
    height: auto;
    display: block;
}
.detail-float-image .float-line {
    position: absolute;
    right: -120px;
    top: 50%;
    transform: translateY(-50%);
    width: 110px;
    height: auto;
    opacity: 0.7;
}
@media (max-width: 768px) {
    .detail-float-image {
        float: none;
        width: 100%;
        max-width: 100%;
        margin: 0 0 20px 0;
    }
    .detail-float-image .float-line {
        display: none;
    }
}

/* 文章详情分类标签 */
.article-cat-tag {
    display: inline-block;
    background: #EDE6E2;
    color: #71543E;
    padding: 4px 12px;
    font-size: 14px;
    margin-right: 10px;
}
.article-detail-with-side .detail-title {
    clear: both;
    margin-bottom: 15px;
}
.article-detail-with-side .detail-meta {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}


/* 文章详情页 - 覆盖旧flex布局 */
.article-detail-with-side {
    display: block !important;
    max-width: 100% !important;
}
.article-detail-with-side .detail-content {
    overflow: visible !important;
    display: block !important;
}

/* 文章详情页 - 首图放大一倍 */
.detail-float-image {
    width: 840px !important;
    max-width: 55% !important;
    margin: 5px 240px 25px 40px !important;
}
.detail-float-image .float-img {
    width: 100% !important;
}
.detail-float-image .float-line {
    width: 220px !important;
    right: -230px !important;
}
@media (max-width: 768px) {
    .detail-float-image {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 0 20px 0 !important;
    }
    .detail-float-image .float-line {
        display: none !important;
    }
}
/* 文章详情页 - 首图640px去圆角 */
.detail-float-image {
    width: 640px !important;
    max-width: 50% !important;
    margin: 5px 240px 25px 40px !important;
}
.detail-float-image .float-img {
    width: 100% !important;
    border-radius: 0 !important;
}
.detail-float-image .float-line {
    width: 220px !important;
    right: -230px !important;
}
@media (max-width: 768px) {
    .detail-float-image {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 0 20px 0 !important;
    }
    .detail-float-image .float-line {
        display: none !important;
    }
}

/* 所有详情页首图去掉圆角 */
.detail-float-image img,
.business-detail img,
.dd-image img,
.single-image img,
.doctor-fixed-image img,
.article-detail img,
.page-content img {
    border-radius: 0 !important;
}

/* 全局去掉所有图片圆角 */
img {
    border-radius: 0 !important;
}
.detail-float-image,
.business-detail .detail-float-image,
.single-image,
.dd-image,
.doctor-fixed-image,
.article-detail,
.page-content,
.detail-content,
.float-img,
.side-image {
    border-radius: 0 !important;
    overflow: visible !important;
}
/* ========== 手机端综合适配 ========== */
@media (max-width: 768px) {
    /* 1. 顶部logo缩小 */
    .header-logo img {
        max-height: 30px !important;
        width: auto !important;
    }
    .header-inner {
        padding: 0 15px !important;
    }

    /* 2. 侧边栏手机端样式 - 扁一些，占90%宽度 */
    .sidebar {
        width: 90% !important;
        margin: 0 auto 20px !important;
        float: none !important;
    }
    .sidebar .sidebar-title {
        font-size: 16px !important;
        padding: 10px 15px !important;
    }
    .sidebar .sidebar-list li a {
        padding: 8px 15px !important;
        font-size: 14px !important;
    }
    /* 手机端隐藏三级分类展开 */
    .sidebar .sidebar-sub-list {
        display: none !important;
    }

    /* 3. 研发日志时间线手机端调整 */
    .timeline-item {
        padding-left: 40px !important;
    }
    .timeline-item .timeline-dot {
        left: 15px !important;
        width: 12px !important;
        height: 12px !important;
    }
    .timeline-item .timeline-date {
        font-size: 14px !important;
    }
    .timeline-item .timeline-title {
        font-size: 18px !important;
    }
    .timeline-filters {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    .timeline-filters .filter-item {
        font-size: 13px !important;
        padding: 5px 10px !important;
    }

    /* 4. 博士论文库/概念空间/开放厨房 列表页手机端调整 */
    .article-card {
        flex-direction: column !important;
        gap: 15px !important;
        padding: 15px !important;
    }
    .article-card .card-image {
        width: 100% !important;
        max-width: 100% !important;
    }
    .article-card .card-image img {
        width: 100% !important;
        height: auto !important;
    }
    .article-card .card-body {
        width: 100% !important;
    }
    .article-card .card-arrow {
        position: static !important;
        margin-top: 10px !important;
        text-align: right !important;
    }

    /* 5. 设计师名录居中 */
    .designer-list {
        justify-content: center !important;
        margin: 0 auto !important;
    }
    .designer-list .designer-item {
        margin: 0 auto 30px !important;
        float: none !important;
        display: inline-block !important;
        vertical-align: top !important;
    }

    /* 6. 商业共创页面顶部距离缩小一半 */
    .business-single .business-detail {
        padding: 20px 0 !important;
    }
    .business-single .detail-title {
        margin-top: 0 !important;
    }

    /* 7. 所有详情页内容往里缩 */
    .article-detail,
    .business-detail,
    .single-page,
    .page-content,
    .detail-content {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .container {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    .main-content {
        padding: 0 10px !important;
    }

    /* 8. 面包屑+搜索框导航栏调整 */
    .breadcrumb-bar {
        padding: 10px 0 !important;
    }
    .breadcrumb-bar .container {
        flex-direction: column !important;
        gap: 10px !important;
    }
    .breadcrumb {
        font-size: 13px !important;
    }
    .breadcrumb-search {
        width: 100% !important;
    }
    .breadcrumb-search .search-input {
        width: 100% !important;
    }

    /* 9. 文章详情页首图手机端全宽 */
    .detail-float-image {
        float: none !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 0 20px 0 !important;
    }
    .detail-float-image .float-line {
        display: none !important;
    }

    /* 10. 分页栏手机端 */
    .pagination-wrap {
        margin-top: 30px !important;
    }
}
/* ========== 手机端第二轮适配 ========== */
@media (max-width: 768px) {
    /* 1. 顶部logo往左上挪，导航栏往左挪 */
    .header-inner {
        padding: 0 10px !important;
        justify-content: flex-start !important;
    }
    .header-logo {
        margin-right: auto !important;
    }
    .header-logo img {
        max-height: 28px !important;
        margin-left: -5px !important;
    }
    .mobile-menu-btn {
        margin-left: 10px !important;
    }

    /* 2. 首页板块②背景右顶格 */
    .fp-harm {
        background-position: right center !important;
        background-size: cover !important;
    }

    /* 3. 手机端导航隐藏二级下拉 */
    .header-nav .dropdown {
        display: none !important;
    }

    /* 4. 内容板块上左右顶格，减少留白 */
    .page-main {
        padding-top: 10px !important;
    }
    .main-content {
        padding: 0 !important;
    }
    .with-sidebar .content-wrap {
        padding: 0 !important;
    }

    /* 5. 研发日志手机端：左侧时间线，右侧内容 */
    .timeline-item {
        display: flex !important;
        align-items: flex-start !important;
        padding-left: 50px !important;
        padding-right: 10px !important;
        position: relative !important;
        margin-bottom: 25px !important;
    }
    .timeline-item::before {
        content: '' !important;
        position: absolute !important;
        left: 18px !important;
        top: 0 !important;
        bottom: -25px !important;
        width: 1px !important;
        background: #D6CFC4 !important;
    }
    .timeline-item:last-child::before {
        display: none !important;
    }
    .timeline-date {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 40px !important;
        text-align: center !important;
    }
    .timeline-date .date-year {
        font-size: 12px !important;
        color: #71543E !important;
        font-weight: bold !important;
    }
    .timeline-date .date-day {
        font-size: 11px !important;
        color: #999 !important;
    }
    .timeline-dot {
        position: absolute !important;
        left: 13px !important;
        top: 25px !important;
        width: 12px !important;
        height: 12px !important;
        background: #A2836A !important;
        border-radius: 50% !important;
        z-index: 2 !important;
    }
    .timeline-content {
        flex: 1 !important;
        min-width: 0 !important;
        padding-left: 0 !important;
    }
    .timeline-image {
        width: 100% !important;
        margin-bottom: 10px !important;
    }
    .timeline-image img {
        width: 100% !important;
        height: auto !important;
    }
    .timeline-title {
        font-size: 16px !important;
        margin: 0 0 8px 0 !important;
    }
    .timeline-desc {
        font-size: 13px !important;
        color: #666 !important;
        margin: 0 0 8px 0 !important;
        line-height: 1.6 !important;
    }
    .timeline-tag {
        font-size: 11px !important;
        padding: 2px 8px !important;
    }
    .timeline-filter {
        flex-direction: column !important;
        gap: 10px !important;
        align-items: flex-start !important;
    }
    .filter-tabs {
        flex-wrap: wrap !important;
        gap: 15px !important;
    }
    .filter-tab {
        font-size: 13px !important;
    }

    /* 6. 博士论文库等列表上下排列 */
    .article-card {
        display: block !important;
        padding: 15px !important;
        margin-bottom: 15px !important;
    }
    .article-card .card-image {
        width: 100% !important;
        margin-bottom: 12px !important;
    }
    .article-card .card-image img {
        width: 100% !important;
        height: auto !important;
    }
    .article-card .card-body {
        width: 100% !important;
    }
    .article-card .card-title {
        font-size: 16px !important;
        margin-bottom: 8px !important;
    }
    .article-card .card-desc {
        font-size: 13px !important;
        line-height: 1.6 !important;
    }
    .article-card .card-arrow {
        display: none !important;
    }

    /* 7. 设计师名录每行中间竖线 */
    .designer-list {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    .designer-list .designer-item {
        width: 48% !important;
        position: relative !important;
        margin: 0 0 25px 0 !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
    }
    .designer-list .designer-item:nth-child(2n)::before {
        content: '' !important;
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 1px !important;
        background: #DAD2CA !important;
    }
    .designer-list .designer-item img {
        width: 100% !important;
        height: auto !important;
    }

    /* 8. 详情页离顶部距离缩小 */
    .article-detail,
    .business-detail,
    .single-page,
    .designer-detail {
        padding-top: 15px !important;
        margin-top: 0 !important;
    }
    .detail-title,
    .page-title,
    .dd-name {
        margin-top: 0 !important;
    }
}
/* ========== 手机端第三轮适配 ========== */
@media (max-width: 768px) {
    /* 1. 研发日志：时间37开，圆圈在线上，年份和分类同一行 */
    .timeline-item {
        padding-left: 0 !important;
        display: flex !important;
    }
    .timeline-date {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        width: 30% !important;
        flex-shrink: 0 !important;
        padding-right: 10px !important;
        box-sizing: border-box !important;
    }
    .timeline-date .date-year {
        font-size: 16px !important;
    }
    .timeline-date .date-day {
        font-size: 13px !important;
    }
    .timeline-dot {
        left: calc(30% - 6px) !important;
        top: 5px !important;
    }
    .timeline-item::before {
        left: 30% !important;
    }
    .timeline-content {
        width: 70% !important;
        flex: none !important;
        padding-left: 15px !important;
        box-sizing: border-box !important;
    }
    .timeline-filter {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
    }
    .filter-tabs {
        flex: 1 !important;
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
    }
    .filter-year {
        flex-shrink: 0 !important;
        margin-left: 10px !important;
    }

    /* 2. logo和导航栏再往左挪 */
    .header-inner {
        padding: 0 5px !important;
    }
    .header-logo img {
        margin-left: -8px !important;
        max-height: 26px !important;
    }

    /* 3. 首页板块②文字加50%透明背景（仅手机端） */
    .fp-harm .harm-content {
        background: rgba(255,255,255,0.5) !important;
        padding: 15px !important;
    }

    /* 4. 博士论文库等列表上下排列（用正确的class） */
    .article-list-horizontal .article-item {
        display: block !important;
        padding: 15px !important;
        margin-bottom: 15px !important;
        width: 100% !important;
    }
    .article-list-horizontal .item-img {
        width: 100% !important;
        max-width: 100% !important;
        margin-bottom: 12px !important;
    }
    .article-list-horizontal .item-img img {
        width: 100% !important;
        height: auto !important;
    }
    .article-list-horizontal .item-body {
        width: 100% !important;
        padding: 0 !important;
    }
    .article-list-horizontal .item-title {
        font-size: 16px !important;
        margin-bottom: 8px !important;
    }
    .article-list-horizontal .item-desc {
        font-size: 13px !important;
        line-height: 1.6 !important;
    }
    .article-list-horizontal .item-arrow {
        display: none !important;
    }

    /* 5. 设计师名录保持2个一行 */
    .designer-list {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: flex-start !important;
    }
    .designer-list .designer-item {
        width: 50% !important;
        float: none !important;
        display: block !important;
        margin: 0 0 25px 0 !important;
        padding: 0 8px !important;
        box-sizing: border-box !important;
    }
    .designer-list .designer-item:nth-child(2n)::before {
        content: '' !important;
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 1px !important;
        background: #DAD2CA !important;
    }
}
/* ========== 手机端第四轮 - 修正版 ========== */
@media only screen and (max-width: 768px) {
    /* 1. 研发日志时间线 - 37开，圆圈在线上 */
    .timeline-item {
        display: flex !important;
        flex-wrap: wrap !important;
        padding: 0 0 25px 0 !important;
        margin: 0 0 25px 0 !important;
        position: relative !important;
        gap: 0 !important;
    }
    .timeline-item::before {
        left: 28% !important;
        top: 0 !important;
        bottom: -25px !important;
    }
    .timeline-date {
        width: 28% !important;
        flex: 0 0 28% !important;
        text-align: center !important;
        padding-right: 5px !important;
        box-sizing: border-box !important;
        position: relative !important;
    }
    .timeline-date .date-year {
        font-size: 15px !important;
    }
    .timeline-date .date-day {
        font-size: 12px !important;
    }
    .timeline-dot {
        position: absolute !important;
        left: calc(28% - 7px) !important;
        top: 3px !important;
        width: 14px !important;
        height: 14px !important;
        z-index: 2 !important;
    }
    .timeline-content {
        width: 72% !important;
        flex: 0 0 72% !important;
        padding-left: 15px !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
    }
    .timeline-image {
        width: 100% !important;
        margin: 0 0 10px 0 !important;
    }
    .timeline-image img {
        width: 100% !important;
        height: auto !important;
    }
    .timeline-title {
        font-size: 15px !important;
        margin: 0 0 6px 0 !important;
    }
    .timeline-desc {
        font-size: 12px !important;
        margin: 0 0 6px 0 !important;
        line-height: 1.5 !important;
    }
    .timeline-tag {
        font-size: 10px !important;
        padding: 2px 6px !important;
    }
    .timeline-filter {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex-wrap: nowrap !important;
    }
    .filter-tabs {
        display: flex !important;
        flex: 1 !important;
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        gap: 12px !important;
    }
    .filter-tab {
        font-size: 12px !important;
        white-space: nowrap !important;
    }
    .filter-year {
        flex-shrink: 0 !important;
        margin-left: 8px !important;
    }
    .filter-year select {
        font-size: 12px !important;
        padding: 5px 8px !important;
    }

    /* 2. header logo和导航栏往左挪 */
    header.header .header-inner {
        padding: 0 8px !important;
        justify-content: flex-start !important;
    }
    header.header .header-logo {
        margin-right: auto !important;
    }
    header.header .header-logo img {
        max-height: 26px !important;
        height: 26px !important;
        width: auto !important;
        margin-left: -5px !important;
    }
    header.header .mobile-menu-btn {
        margin-left: auto !important;
        padding-right: 5px !important;
    }

    /* 3. 首页板块②文字加50%透明背景 */
    .fp-harm .harm-inner {
        background: rgba(255, 255, 255, 0.5) !important;
        padding: 20px 15px !important;
        margin: 0 15px !important;
        width: auto !important;
    }

    /* 4. 博士论文库等列表 - 上下排列 */
    .article-list-horizontal {
        display: block !important;
    }
    .article-list-horizontal .article-item {
        display: block !important;
        width: 100% !important;
        padding: 12px !important;
        margin-bottom: 12px !important;
        box-sizing: border-box !important;
    }
    .article-list-horizontal .article-item .item-img {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 0 10px 0 !important;
        float: none !important;
    }
    .article-list-horizontal .article-item .item-img img {
        width: 100% !important;
        height: auto !important;
    }
    .article-list-horizontal .article-item .item-body {
        width: 100% !important;
        padding: 0 !important;
    }
    .article-list-horizontal .article-item .item-title {
        font-size: 15px !important;
        margin-bottom: 6px !important;
    }
    .article-list-horizontal .article-item .item-desc {
        font-size: 12px !important;
        line-height: 1.5 !important;
    }
    .article-list-horizontal .article-item .item-arrow {
        display: none !important;
    }

    /* 5. 设计师名录 - 2个一行，中间竖线 */
    .designer-list {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: flex-start !important;
    }
    .designer-list .article-item {
        width: 50% !important;
        flex: 0 0 50% !important;
        display: block !important;
        float: none !important;
        margin: 0 0 20px 0 !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
        position: relative !important;
    }
    .designer-list .article-item:nth-child(2n) {
        border-left: 1px solid #DAD2CA !important;
    }
    .designer-list .article-item .item-img {
        width: 100% !important;
    }
    .designer-list .article-item .item-img img {
        width: 100% !important;
        height: auto !important;
    }
}
/* ========== 手机端第五轮 - 针对正确元素 ========== */
@media only screen and (max-width: 768px) {
    /* 1. 研发日志：图文部分不占左侧线 */
    .timeline-content {
        padding-left: 20px !important;
    }
    .timeline-image {
        margin-left: 0 !important;
    }

    /* 2. header logo和导航往左移 - 清除基础样式的margin-left */
    .header .header-inner {
        margin-left: 0 !important;
        padding: 0 8px !important;
        max-width: 100% !important;
        width: 100% !important;
    }
    .header .header-logo {
        margin-left: 0 !important;
    }
    .header .header-logo img {
        max-height: 26px !important;
        height: 26px !important;
    }

    /* 3. 博士论文库列表 - 改.article-link的flex为block */
    .article-list-horizontal .article-link {
        display: block !important;
        position: relative !important;
        padding: 12px !important;
    }
    .article-list-horizontal .article-item {
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        margin-bottom: 12px !important;
    }
    .article-list-horizontal .item-img {
        width: 100% !important;
        height: auto !important;
        margin-bottom: 10px !important;
    }
    .article-list-horizontal .item-img img {
        width: 100% !important;
        height: auto !important;
        object-fit: cover !important;
    }
    .article-list-horizontal .item-body {
        width: 100% !important;
        padding: 0 0 30px 0 !important;
    }
    .article-list-horizontal .item-title {
        font-size: 15px !important;
        margin-bottom: 6px !important;
    }
    .article-list-horizontal .item-desc {
        font-size: 12px !important;
        line-height: 1.5 !important;
        display: block !important;
        -webkit-line-clamp: unset !important;
        overflow: visible !important;
    }
    .article-list-horizontal .item-arrow {
        display: block !important;
        position: absolute !important;
        right: 12px !important;
        bottom: 10px !important;
        padding: 0 !important;
    }
    .article-list-horizontal .item-arrow svg {
        width: 36px !important;
        height: 36px !important;
    }
}
/* ========== 手机端第六轮微调 ========== */
@media only screen and (max-width: 768px) {
    /* 1. logo单独右移一点 */
    .header .header-logo img {
        margin-left: 8px !important;
    }

    /* 2. 研发日志：左侧30%时间+竖线+圆圈，右侧70%首图+标题+简介 */
    .timeline-item::before {
        left: 30% !important;
    }
    .timeline-date {
        width: 30% !important;
        flex: 0 0 30% !important;
    }
    .timeline-dot {
        left: calc(30% - 7px) !important;
    }
    .timeline-content {
        width: 70% !important;
        flex: 0 0 70% !important;
        padding-left: 15px !important;
    }
    .timeline-content .timeline-image {
        width: 100% !important;
        margin: 0 0 8px 0 !important;
    }
    .timeline-content .timeline-image img {
        width: 100% !important;
        height: auto !important;
    }
    .timeline-content .timeline-title {
        margin: 0 0 6px 0 !important;
    }
    .timeline-content .timeline-desc {
        margin: 0 !important;
    }
}
/* ========== 手机端第六轮 ========== */
@media only screen and (max-width: 768px) {
    /* 1. logo单独右移一点 */
    .header .header-logo {
        margin-left: 8px !important;
    }

    /* 2. 研发日志：左侧30%时间/竖线/圆圈，右侧70%首图/标题/简介 */
    .timeline-item {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: flex-start !important;
    }
    .timeline-item::before {
        left: 30% !important;
    }
    .timeline-date {
        width: 30% !important;
        flex: 0 0 30% !important;
        padding-right: 8px !important;
        box-sizing: border-box !important;
    }
    .timeline-dot {
        left: calc(30% - 7px) !important;
    }
    .timeline-content {
        width: 70% !important;
        flex: 0 0 70% !important;
        padding-left: 15px !important;
        box-sizing: border-box !important;
    }
    .timeline-image {
        width: 100% !important;
        margin-bottom: 8px !important;
    }
    .timeline-image img {
        width: 100% !important;
        height: auto !important;
    }
    .timeline-title {
        margin: 0 0 6px 0 !important;
    }
    .timeline-desc {
        margin: 0 !important;
    }
}
/* ========== 研发日志手机端结构修正 ========== */
@media only screen and (max-width: 768px) {
    .timeline-content > a {
        display: block !important;
        text-decoration: none !important;
    }
    .timeline-content .timeline-image {
        width: 100% !important;
        margin: 0 0 8px 0 !important;
    }
    .timeline-content .timeline-image img {
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .timeline-content .timeline-title {
        display: block !important;
        margin: 0 0 6px 0 !important;
    }
    .timeline-content .timeline-desc {
        display: block !important;
        margin: 0 0 6px 0 !important;
    }
    .timeline-content .timeline-tag {
        display: inline-block !important;
    }
}
/* ========== 研发日志微调 ========== */
@media only screen and (max-width: 768px) {
    .timeline-content {
        padding-left: 25px !important;
    }
    .timeline-dot {
        left: 30% !important;
        transform: translateX(-50%) !important;
        top: 5px !important;
    }
    .timeline-item::before {
        left: 30% !important;
    }
}
/* ========== 研发日志圆点定位修正 ========== */
@media only screen and (max-width: 768px) {
    .timeline-item {
        position: relative !important;
    }
    .timeline-dot {
        position: absolute !important;
        left: 30% !important;
        top: 5px !important;
        transform: translateX(-50%) !important;
        margin: 0 !important;
        width: 14px !important;
        height: 14px !important;
    }
    .timeline-content {
        padding-left: 25px !important;
    }
}
/* ========== 块文章列表（一行三个） ========== */
.article-list-block {
    display: flex;
    flex-wrap: wrap;
    gap: 35px 30px;
    margin: 0;
}
.article-list-block .article-item {
    width: calc(33.333% - 20px);
    margin-bottom: 0;
    padding: 0;
}
.article-list-block .article-link {
    display: block;
    text-decoration: none;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.35s ease;
    border: 1px solid #f0ebe7;
}
.article-list-block .article-link:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(113,84,62,0.15);
    border-color: #d6cfc4;
}
.article-list-block .item-img {
    width: 100%;
    height: 240px;
    margin-bottom: 0;
    overflow: hidden;
    position: relative;
}
.article-list-block .item-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, rgba(255,255,255,0.3), transparent);
    pointer-events: none;
}
.article-list-block .item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.article-list-block .article-link:hover .item-img img {
    transform: scale(1.08);
}
.article-list-block .item-body {
    padding: 22px 24px 26px;
}
.article-list-block .item-title {
    font-size: 19px;
    font-weight: bold;
    color: #333;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s;
}
.article-list-block .article-link:hover .item-title {
    color: #71543E;
}
.article-list-block .item-desc {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.article-list-block .item-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #71543E;
    font-weight: 500;
}
.article-list-block .item-more::after {
    content: '→';
    transition: transform 0.3s;
}
.article-list-block .article-link:hover .item-more::after {
    transform: translateX(4px);
}

/* 手机端块文章 */
@media only screen and (max-width: 768px) {
    .article-list-block {
        gap: 12px;
        width: 100%;
    }
    .article-list-block .article-item {
        width: calc(50% - 6px);
    }
    .article-list-block .item-img {
        height: 140px;
    }
    .article-list-block .item-title {
        font-size: 15px;
    }
    .article-list-block .item-desc {
        font-size: 12px;
    }
    .article-list-block .item-body {
        padding: 15px;
    }
    /* 块文章页面容器占满宽度 */
    .page-main .container {
        width: 95%;
    }
}
/* ========== 底部服务热线 ========== */
.footer-top {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 20px;
}
.footer-hotline {
    display: inline-block;
}
.footer-hotline .hotline-label,
.footer-hotline .hotline-phone {
    font-size: 18px;
    font-weight: bold;
    color: #333333;
}
.footer-hotline .hotline-time {
    font-size: 16px;
    font-weight: bold;
    color: #333333;
    opacity: 0.5;
    margin-left: 5px;
}
/* 手机端 */
@media only screen and (max-width: 768px) {
    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .footer-hotline {
        font-size: 14px;
    }
}
/* ========== 顶部服务热线 ========== */
.header-hotline {
    display: inline-block;
    vertical-align: middle;
    white-space: nowrap;
}
.header-hotline .hotline-label,
.header-hotline .hotline-phone {
    font-size: clamp(14px, 1vw, 20px);
    font-weight: bold;
    color: #333333;
}
.header-hotline .hotline-time {
    font-size: clamp(12px, 0.85vw, 18px);
    font-weight: bold;
    color: #333333;
    opacity: 0.5;
    margin-left: 5px;
}
.header:not(.scrolled) .header-hotline .hotline-label,
.header:not(.scrolled) .header-hotline .hotline-phone,
.header:not(.scrolled) .header-hotline .hotline-time {
    color: #ffffff;
}
/* 手机端隐藏顶部热线 */
@media only screen and (max-width: 768px) {
    .header-hotline {
        display: none;
    }
}
/* ========== 博士寄语标语 ========== */
.doctor-slogan {
    position: absolute;
    right: 8%;
    bottom: calc(15% + 100px);
    font-size: 42px;
    font-weight: bold;
    color: #333333;
    font-family: "FangSong", "STFangsong", "仿宋", "仿宋_GB2312", serif;
    line-height: 1.6;
    text-align: right;
    opacity: 0.8;
}
/* 自适应缩小 */
@media only screen and (max-width: 1400px) {
    .doctor-slogan { font-size: 36px; }
}
@media only screen and (max-width: 1200px) {
    .doctor-slogan { font-size: 30px; }
}
@media only screen and (max-width: 992px) {
    .doctor-slogan { font-size: 24px; right: 5%; }
}
@media only screen and (max-width: 768px) {
    .doctor-slogan { font-size: 20px; position: static; text-align: left; margin-top: 20px; }
}
/* ========== 首页栏目导航板块 ========== */
.fp-nav {
    background: #ECE5E1;
    padding: 60px 0;
}
.nav-inner {
    width: 92%;
    margin: 0 auto;
}
.nav-header {
    margin-bottom: 40px;
}
.nav-section-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
}
.nav-slider-wrap {
    position: relative;
    padding: 0 60px;
}
.nav-slider {
    overflow: hidden;
}
.nav-track {
    display: flex;
    gap: 0;
    transition: transform 0.6s ease;
    will-change: transform;
}
.nav-card {
    flex-shrink: 0;
    width: 340px;
    background: transparent;
    padding: 30px 40px 30px 30px;
    min-height: 632px;
    border-right: 1px solid #DAD2CA;
    position: relative;
    display: flex;
    flex-direction: column;
}
.nav-card-number {
    font-size: 42px;
    font-weight: 400;
    color: #333333;
    margin-bottom: 10px;
}
.nav-card-title {
    font-size: 34px;
    font-weight: 400;
    color: #333333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: none;
}
.nav-card-children {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.nav-child-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #333333;
    transition: color 0.3s;
    margin-bottom: 8px;
    line-height: 1.0;
}
.nav-child-item:hover {
    color: #71543E;
}
.nav-child-img {
    display: none;
}
.nav-child-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.nav-child-name {
    font-size: 18px;
    font-weight: 400;
    color: #333333;
}
.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}
.nav-btn img {
    width: 100%;
    height: 100%;
}
.nav-btn-left {
    left: 0;
}
.nav-btn-right {
    right: 0;
}

/* 手机端 */
@media only screen and (max-width: 768px) {
    .fp-nav {
        padding: 30px 0;
    }
    .nav-section-title {
        font-size: 24px;
    }
    .nav-slider-wrap {
        padding: 0 30px;
    }
    .nav-card {
        width: 220px;
        min-height: 300px;
        padding: 20px 15px;
    }
    .nav-card-number {
        font-size: 32px;
    }
    .nav-card-title {
        font-size: 18px;
    }
    .nav-child-img {
        width: 36px;
        height: 36px;
    }
    .nav-child-name {
        font-size: 13px;
    }
    .nav-btn {
        width: 28px;
        height: 28px;
    }
}
/* 导航卡片底部一级栏目图片 */
.nav-card-image {
    margin-top: auto;
    padding-top: 20px;
    width: 100%;
    display: flex;
    justify-content: flex-start;
}
.nav-card-image img {
    width: 300px;
    height: 250px;
    object-fit: cover;
    display: block;
}

/* 大屏幕自适应 */
@media only screen and (min-width: 1400px) and (max-width: 1919px) {
    .header-hotline .hotline-label,
    .header-hotline .hotline-phone {
        font-size: 16px;
    }
    .header-hotline .hotline-time {
        font-size: 14px;
    }
}
@media only screen and (min-width: 1920px) {
    .header .header-inner {
        max-width: 1850px;
        margin-left: 3%;
    }
    .header .nav > li > a {
        padding: 35px 0;
    }
    .header .logo img {
        height: 56px;
    }
    .header-hotline .hotline-label,
    .header-hotline .hotline-phone {
        font-size: 18px;
    }
    .header-hotline .hotline-time {
        font-size: 16px;
    }

}
@media only screen and (min-width: 2560px) {
    .header .header-inner {
        max-width: 2350px;
        margin-left: 2%;
    }
    .header .nav > li > a {
        padding: 40px 0;
    }
    .header .logo img {
        height: 68px;
    }
    .header-hotline .hotline-label,
    .header-hotline .hotline-phone {
        font-size: 22px;
    }
    .header-hotline .hotline-time {
        font-size: 20px;
    }

    .header .header-logo {
        margin-left: 40px;
    }
}


/* 导航栏动态缩放过渡 */
.header .nav > li > a {
    transition: font-size 0.2s ease;
}

/* 单页简介样式 */
.page-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}
.page-desc p {
    margin: 0 0 10px 0;
}

/* 列表文章无首图时的样式 */
.article-list-horizontal .article-item.no-image .item-img {
    display: none;
}
.article-list-horizontal .article-item.no-image .item-body {
    width: 100%;
    flex: 1;
    padding-left: 30px;
}
.article-list-horizontal .article-item.no-image .item-title {
    font-size: 22px;
}
.article-list-horizontal .article-item.no-image .item-desc {
    font-size: 16px;
    line-height: 1.8;
}

/* 首页导航板块渐进入场动画 */
.fp-nav .nav-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fp-nav.nav-visible .nav-card {
    opacity: 1;
    transform: translateY(0);
}
.fp-nav.nav-visible .nav-card:nth-child(1) { transition-delay: 0.1s; }
.fp-nav.nav-visible .nav-card:nth-child(2) { transition-delay: 0.25s; }
.fp-nav.nav-visible .nav-card:nth-child(3) { transition-delay: 0.4s; }
.fp-nav.nav-visible .nav-card:nth-child(4) { transition-delay: 0.55s; }
.fp-nav.nav-visible .nav-card:nth-child(5) { transition-delay: 0.7s; }
.fp-nav.nav-visible .nav-card:nth-child(6) { transition-delay: 0.85s; }
.fp-nav.nav-visible .nav-card:nth-child(n+7) { transition-delay: 1s; }

/* 手机端禁用渐进入场动画，直接显示 */
@media only screen and (max-width: 768px) {
    .fp-nav .nav-card {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}


/* 顶部服务热线 - 在logo下面，和logo左侧对齐 */
.header .header-hotline {
    display: flex;
    align-items: center;
    line-height: 1;
    margin-left: -10px;
}
.header .header-hotline .hotline-row {
    display: flex;
    align-items: center;
}

/* 固定标语 - 顶部导航栏右下角浮动 */
.fixed-slogan {
    position: fixed;
    top: 90px;
    right: 40px;
    font-size: 42px;
    font-weight: bold;
    color: #333333;
    font-family: "FangSong", "STFangsong", "仿宋", "仿宋_GB2312", serif;
    line-height: 1.6;
    text-align: right;
    z-index: 999;
    pointer-events: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}
@media only screen and (max-width: 1400px) {
    .fixed-slogan { font-size: 36px; }
}
@media only screen and (max-width: 1200px) {
    .fixed-slogan { font-size: 30px; }
}
@media only screen and (max-width: 992px) {
    .fixed-slogan { font-size: 24px; right: 20px; }
}
@media only screen and (max-width: 768px) {
    .fixed-slogan {
        display: none;
    }
}