* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', '微软雅黑', Roboto, Arial, sans-serif;
            background: #fef7f0;
            color: #2c1e12;
            line-height: 1.5;
            padding: 20px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: #fffef8;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-radius: 28px;
            overflow: hidden;
            padding: 20px 25px 35px;
        }
        /* 头部密集关键词区 - 支持a标签与span同风格 */
        .keyword-bar {
            background: #ffede3;
            padding: 12px 18px;
            border-radius: 60px;
            margin-bottom: 25px;
            text-align: center;
            font-size: 14px;
            font-weight: bold;
            color: #b45f2b;
            flex-wrap: wrap;
            display: flex;
            justify-content: center;
            gap: 12px 20px;
        }
        .keyword-bar a, .keyword-bar span {
            background: white;
            padding: 4px 12px;
            border-radius: 40px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            font-size: 13px;
            text-decoration: none;
            color: #b45f2b;
            transition: all 0.2s ease;
            display: inline-block;
        }
        .keyword-bar a:hover {
            background: #f5d5bd;
            color: #8b3c1a;
            transform: translateY(-1px);
        }
        h1 {
            font-size: 32px;
            text-align: center;
            margin: 10px 0 5px;
            color: #a3491c;
            letter-spacing: 1px;
        }
        h1 small {
            font-size: 16px;
            background: #f4d3bc;
            display: inline-block;
            padding: 0 12px;
            border-radius: 40px;
            line-height: 28px;
            vertical-align: middle;
            font-weight: normal;
        }
        .subhead {
            text-align: center;
            color: #7f4a2b;
            border-bottom: 2px dashed #f0cfb5;
            padding-bottom: 12px;
            margin-bottom: 25px;
            font-size: 16px;
            font-weight: 500;
        }
        /* 网格图片区 */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
            margin: 35px 0 40px;
        }
        .card {
            background: #ffffff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #f5e2d4;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 30px rgba(0,0,0,0.12);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #efe1d4;
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
            display: block;
        }
        .card:hover .card-img img {
            transform: scale(1.02);
        }
        /* 透明视频播放图标样式 - 半透明圆形播放按钮 */
        .card-img::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='45' fill='rgba(0,0,0,0.55)' stroke='rgba(255,255,255,0.9)' stroke-width='2.5' /%3E%3Cpolygon points='38,30 38,70 70,50' fill='white' /%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
            pointer-events: none;
            z-index: 2;
            transition: transform 0.2s ease, opacity 0.2s;
            opacity: 0.66;
        }
        /* 悬停效果：图标轻微放大，更生动 */
        .card:hover .card-img::after {
            transform: translate(-50%, -50%) scale(1.08);
            opacity: 1;
        }
        /* 移动端适配：图标尺寸略微缩小，保持协调 */
        @media (max-width: 700px) {
            .card-img::after {
                width: 50px;
                height: 50px;
            }
        }
        @media (max-width: 480px) {
            .card-img::after {
                width: 44px;
                height: 44px;
            }
        }
        .card-content {
            padding: 16px 18px 20px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 800;
            color: #8b3c1a;
            margin-bottom: 8px;
            border-left: 5px solid #e8a87b;
            padding-left: 12px;
        }
        .card-desc {
            font-size: 13px;
            color: #5e3a24;
            line-height: 1.45;
            margin-top: 8px;
            word-break: break-word;
        }
        .keyword-stack {
            background: #fef3e9;
            padding: 18px 20px;
            border-radius: 32px;
            margin: 35px 0 20px;
            font-size: 14px;
            line-height: 1.7;
            text-align: justify;
        }
        .keyword-stack strong {
            color: #bc5f2c;
            background: #fff0e4;
            padding: 2px 6px;
            border-radius: 20px;
            margin: 0 2px;
            font-weight: 700;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0 25px;
            justify-content: center;
        }
        .tag-cloud a {
            background: #f6e2d4;
            padding: 6px 14px;
            border-radius: 40px;
            text-decoration: none;
            color: #9b4a24;
            font-weight: 600;
            font-size: 13px;
            transition: 0.1s;
        }
        .tag-cloud a:hover {
            background: #ecc8b2;
            color: #5e2c12;
        }
        .footer-keywords {
            background: #2d1e12;
            color: #ffdcc4;
            padding: 18px 20px;
            border-radius: 28px;
            margin-top: 30px;
            font-size: 12px;
            text-align: center;
            line-height: 1.8;
        }
        .footer-keywords a {
            color: #ffcfaa;
            text-decoration: none;
            margin: 0 4px;
        }
        .btn-link {
            display: inline-block;
            margin-top: 10px;
            font-size: 12px;
            color: #d47a3a;
            text-decoration: none;
            font-weight: 600;
        }
        hr {
            margin: 25px 0;
            border: 0;
            height: 2px;
            background: linear-gradient(90deg, #f5d5bd, #ebbc98, #f5d5bd);
        }
        @media (max-width: 700px) {
            .container {
                padding: 15px;
            }
            .keyword-bar span, .keyword-bar a {
                font-size: 11px;
            }
            h1 {
                font-size: 24px;
            }
        }