/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: #f5f5f5;
            color: #1a1a1a;
            line-height: 1.8;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 头部（淘宝橙红色主题） ===== */
        .header {
            background: linear-gradient(135deg, #ff4400, #ff6a00);
            padding: 16px 0;
            border-bottom: 3px solid #cc3700;
            box-shadow: 0 4px 20px rgba(255, 68, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo h1 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(0,0,0,0.15);
        }

        .logo .sub {
            font-size: 14px;
            color: rgba(255,255,255,0.9);
            font-weight: 400;
            -webkit-text-fill-color: rgba(255,255,255,0.9);
            background: none;
        }

        .nav a {
            margin-left: 28px;
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.3s ease;
            padding: 6px 14px;
            border-radius: 6px;
        }

        .nav a:hover {
            background: rgba(0,0,0,0.15);
            color: #fff;
        }

        .nav a.active {
            background: rgba(0,0,0,0.2);
        }

        /* ===== 顶部广告位（淘宝橙红边框） ===== */
        .top-ad-wrapper {
            width: 100%;
            max-width: 1280px;
            padding: 14px 24px 0;
            margin: 0 auto;
        }

        .top-ad-banner {
            display: block;
            background: #ffffff;
            border-radius: 24px;
            padding: 16px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            border: 2px solid #ff4400;
            text-align: center;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            overflow: hidden;
        }

        .top-ad-banner:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255, 68, 0, 0.15);
        }

        .top-ad-banner img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrapper {
            width: 100%;
            max-width: 1280px;
            padding: 14px 24px 6px;
            margin: 0 auto;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 14px;
            color: #7a7a7a;
            padding: 8px 0 12px;
            border-bottom: 1px solid #e8e0d8;
        }

        .breadcrumb .home-icon {
            display: inline-flex;
            align-items: center;
            margin-right: 6px;
            color: #ff4400;
        }

        .breadcrumb a {
            color: #ff4400;
            text-decoration: none;
            transition: color 0.2s;
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: #cc3700;
            text-decoration: underline;
        }

        .breadcrumb .separator {
            margin: 0 8px;
            color: #b0a090;
            font-weight: 300;
            user-select: none;
        }

        .breadcrumb .current {
            color: #1a1a1a;
            font-weight: 600;
        }

        /* ===== 主体布局 ===== */
        .main-wrapper {
            display: flex;
            justify-content: center;
            margin: 20px 0 40px;
        }

        .main-layout {
            display: flex;
            gap: 32px;
            width: 100%;
            max-width: 1280px;
            padding: 0 24px;
            align-items: flex-start;
            justify-content: center;
        }

        /* ===== 左侧文章详情 ===== */
        .article-detail {
            flex: 2.2;
            max-width: 820px;
            min-width: 0;
            background: #ffffff;
            border-radius: 24px;
            padding: 40px 36px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
            border: 1px solid #f0ece8;
        }

        .article-header {
            border-bottom: 2px solid #f0ece8;
            padding-bottom: 20px;
            margin-bottom: 28px;
        }

        .article-header .article-tag {
            display: inline-block;
            background: #fff0e8;
            color: #ff4400;
            font-size: 13px;
            font-weight: 600;
            padding: 2px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
        }

        .article-header h1 {
            font-size: 28px;
            font-weight: 700;
            color: #1a1a1a;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: #7a7a7a;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-body {
            font-size: 16px;
            color: #1a1a1a;
        }

        .article-body p {
            margin-bottom: 20px;
            text-indent: 2em;
        }

        .article-body strong {
            color: #cc3700;
        }

        .article-body .highlight-box {
            background: #fff5f0;
            border-left: 4px solid #ff4400;
            padding: 18px 22px;
            border-radius: 8px;
            margin: 24px 0;
            font-size: 15px;
            color: #1a1a1a;
        }

        .article-footer {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 2px solid #f0ece8;
            font-size: 14px;
            color: #7a7a7a;
        }

        .article-footer .source {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }

        .article-footer .source a {
            color: #ff4400;
            text-decoration: none;
        }

        .article-footer .source a:hover {
            text-decoration: underline;
            color: #cc3700;
        }

        /* ===== 红色加粗链接 ===== */
        .source .red-link {
            color: #d63031;
            font-weight: 700;
            text-decoration: none;
            transition: color 0.2s;
        }

        .source .red-link:hover {
            color: #b71c1c;
            text-decoration: underline;
        }

        .article-footer .disclaimer {
            margin-top: 16px;
            padding: 16px 20px;
            background: #f8f5f0;
            border-radius: 12px;
            font-size: 13px;
            color: #5a5a5a;
            line-height: 1.7;
        }

        /* ===== 相关推荐 ===== */
        .related-articles {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 2px solid #f0ece8;
        }

        .related-articles .related-title {
            font-size: 16px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .related-articles .related-title .icon {
            font-size: 18px;
            color: #ff4400;
        }

        .related-item {
            display: flex;
            justify-content: space-between;
            align-items: center;

            padding: 10px 0;
            border-bottom: 1px solid #f4f0ec;
        }

        .related-item:last-child {
            border-bottom: none;
        }

        .related-item .item-content {
            flex: 1;
            min-width: 0;
            padding-right: 12px;
        }

        .related-item .item-content h4 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
        }

        .related-item .item-content h4 a {
            color: #1a1a1a;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .related-item .item-content h4 a:hover {
            color: #ff4400;
        }

        .related-item .item-content .post-date {
            font-size: 11px;
            color: #a09080;
        }

        .related-item .item-arrow {
            color: #c0b0a0;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ===== 右侧边栏 ===== */
        .sidebar {
            flex: 1;
            min-width: 200px;
            max-width: 300px;
        }

        .sidebar-card {
            background: #ffffff;
            border-radius: 24px;
            padding: 22px 20px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            border: 1px solid #f0ece8;
        }

        .sidebar-card h4 {
            font-size: 16px;
            color: #1a1a1a;
            padding-bottom: 12px;
            border-bottom: 3px solid #ff4400;
            margin-bottom: 16px;
        }

        .sidebar-card ul {
            list-style: none;
        }

        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f4f0ec;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li a {
            color: #2a2a2a;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .sidebar-card ul li a:hover {
            color: #ff4400;
        }

        .sidebar-card ul li .post-date {
            display: block;
            font-size: 12px;
            color: #a09080;
            margin-top: 2px;
        }

        .sidebar-tag a {
            display: inline-block;
            background: #fff0e8;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            color: #ff4400;
            text-decoration: none;
            margin: 0 6px 10px 0;
            transition: 0.2s;
            font-weight: 500;
        }

        .sidebar-tag a:hover {
            background: #ff4400;
            color: #fff;
        }

        /* ===== 新增：侧边栏广告图片 ===== */
        .sidebar-ad {
            background: #ffffff;
            border-radius: 24px;
            padding: 16px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            text-align: center;
            border: 2px solid #ff4400;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .sidebar-ad:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255, 68, 0, 0.15);
        }

        .sidebar-ad img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }

        .sidebar-ad .ad-text {
            margin-top: 10px;
            font-size: 13px;
            color: #ff4400;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* ===== 底部（淘宝橙红色主题） ===== */
        .footer {
            background: #1a1a1a;
            color: #b0a090;
            padding: 40px 0 30px;
            border-radius: 40px 40px 0 0;
            margin-top: 40px;
            border-top: 4px solid #ff4400;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .footer-info {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .footer-info span {
            font-size: 14px;
        }

        .footer-info .highlight {
            color: #ff6a00;
            font-weight: 600;
        }

        .footer-social a {
            color: #b0a090;
            margin-left: 20px;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-social a:hover {
            color: #ff6a00;
        }

        .footer-copy {
            text-align: center;
            font-size: 13px;
            color: #5a5a5a;
            border-top: 1px solid #2a2a2a;
            padding-top: 25px;
            margin-top: 25px;
        }

        .footer-copy a {
            color: #ff6a00;
            text-decoration: none;
        }

        .footer-copy a:hover {
            color: #ff8833;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .main-layout {
                flex-direction: column;
                align-items: center;
            }
            .article-detail {
                max-width: 100%;
                width: 100%;
            }
            .sidebar {
                max-width: 100%;
                width: 100%;
            }
            .top-ad-wrapper {
                padding: 12px 16px 0;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                gap: 12px;
            }
            .nav a {
                margin: 0 10px;
                font-size: 14px;
                padding: 4px 10px;
            }
            .logo h1 {
                font-size: 20px;
            }
            .article-detail {
                padding: 24px 18px;
            }
            .article-header h1 {
                font-size: 22px;
            }
            .article-meta {
                font-size: 13px;
                gap: 12px;
            }
            .article-body {
                font-size: 15px;
            }
            .breadcrumb-wrapper {
                padding: 12px 16px 4px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .top-ad-banner {
                padding: 12px;
            }
            .related-item .item-content h4 {
                font-size: 13px;
            }
        }