/* ----- 全新现代暗色风格 · 卡片优雅 · 适合搜索引擎静态页面 ----- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', '微软雅黑', Roboto, sans-serif;
            background: #0b0c10;
            background-image: radial-gradient(circle at 10% 20%, rgba(40, 44, 52, 0.4) 0%, #0a0c0f 100%);
            color: #eef2ff;
            line-height: 1.5;
            padding: 24px 20px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: rgba(18, 22, 28, 0.92);
            backdrop-filter: blur(2px);
            border-radius: 48px;
            box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            overflow: hidden;
            padding: 28px 30px 40px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        h1 {
            font-size: 36px;
            text-align: center;
            margin: 15px 0 8px;
            color: #ffe6c7;
            letter-spacing: -0.3px;
            font-weight: 700;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        h1 small {
            font-size: 18px;
            background: rgba(255, 215, 170, 0.18);
            backdrop-filter: blur(4px);
            display: inline-block;
            padding: 4px 18px;
            border-radius: 60px;
            line-height: 1.4;
            font-weight: 500;
            color: #ffd7a5;
            border: 1px solid rgba(255,205,150,0.3);
        }
        .subhead {
            text-align: center;
            color: #cdd9ff;
            border-bottom: 1px solid rgba(255, 200, 140, 0.25);
            padding-bottom: 14px;
            margin-bottom: 28px;
            font-size: 17px;
            font-weight: 500;
            background: linear-gradient(135deg, #ffe6cf20, transparent);
            border-radius: 60px;
            width: fit-content;
            margin-left: auto;
            margin-right: auto;
            padding: 8px 24px;
        }
        /* 关键词栏 新风格 */
        .keyword-bar {
            background: rgba(30, 35, 45, 0.8);
            padding: 15px 20px;
            border-radius: 72px;
            margin-bottom: 35px;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px 18px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 200, 140, 0.2);
        }
        .keyword-bar a {
            background: #1f252f;
            padding: 6px 16px;
            border-radius: 60px;
            font-size: 13px;
            font-weight: 500;
            text-decoration: none;
            color: #ffdaab;
            transition: all 0.2s ease;
            display: inline-block;
            border: 1px solid rgba(255, 185, 100, 0.3);
            letter-spacing: 0.3px;
            box-shadow: 0 1px 2px rgba(0,0,0,0.2);
        }
        .keyword-bar a:hover {
            background: #ffb86c;
            color: #0f0e12;
            border-color: #ffcd94;
            transform: translateY(-2px);
            box-shadow: 0 8px 14px -8px rgba(0,0,0,0.4);
        }
        /* 画廊卡片：玻璃质感 + 微光效 */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin: 40px 0 45px;
        }
        .card {
            background: rgba(25, 30, 38, 0.85);
            backdrop-filter: blur(4px);
            border-radius: 32px;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            border: 1px solid rgba(255, 200, 150, 0.2);
            box-shadow: 0 15px 25px -12px rgba(0, 0, 0, 0.4);
        }
        .card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 180, 100, 0.6);
            box-shadow: 0 28px 35px -15px black;
            background: rgba(35, 42, 52, 0.9);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #11161e;
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            display: block;
            opacity: 0.95;
        }
        .card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-content {
            padding: 18px 20px 22px;
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: #ffdbb5;
            margin-bottom: 10px;
            border-left: 4px solid #ffa559;
            padding-left: 14px;
            letter-spacing: -0.2px;
        }
        .card-desc {
            font-size: 13px;
            color: #cbd5e6;
            line-height: 1.5;
            margin-top: 8px;
        }
        .card-desc strong {
            color: #ffbc7a;
            font-weight: 600;
        }
        /* 深度关键词段落 + 柔和高亮 */
        .keyword-stack {
            background: rgba(15, 20, 28, 0.7);
            padding: 24px 28px;
            border-radius: 36px;
            margin: 35px 0 30px;
            font-size: 14.5px;
            line-height: 1.75;
            text-align: justify;
            border: 1px solid rgba(255, 190, 110, 0.2);
            box-shadow: inset 0 0 8px rgba(0,0,0,0.3), 0 8px 20px rgba(0,0,0,0.2);
        }
        .keyword-stack strong {
            color: #ffcf8a;
            background: rgba(255, 160, 70, 0.18);
            padding: 3px 9px;
            border-radius: 30px;
            margin: 0 2px;
            font-weight: 700;
            transition: 0.1s;
        }
        /* 标签云风格统一 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 30px 0 28px;
            justify-content: center;
        }
        .tag-cloud a {
            background: #202732;
            padding: 7px 18px;
            border-radius: 48px;
            text-decoration: none;
            color: #ffdbb0;
            font-weight: 500;
            font-size: 13px;
            transition: 0.15s;
            border: 1px solid rgba(255, 165, 75, 0.3);
        }
        .tag-cloud a:hover {
            background: #ff9f4a;
            color: #0c0f14;
            border-color: #ffc285;
            transform: translateY(-2px);
        }
        .footer-keywords {
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            color: #ffdec2;
            padding: 22px 20px;
            border-radius: 38px;
            margin-top: 36px;
            font-size: 12.5px;
            text-align: center;
            line-height: 1.8;
            border: 1px solid rgba(255, 200, 140, 0.2);
        }
        .footer-keywords a {
            color: #ffc896;
            text-decoration: none;
        }
        hr {
            margin: 32px 0;
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #ffaa55, #ffcc88, #ffaa55, transparent);
        }
        .resource-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-between;
        }
        .resource-grid ul {
            flex: 1;
            min-width: 170px;
            list-style: none;
            background: rgba(10, 14, 20, 0.6);
            padding: 16px 18px;
            border-radius: 28px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 180, 100, 0.2);
        }
        .resource-grid li {
            margin-bottom: 10px;
            font-size: 13px;
            color: #e2e9ff;
        }
        .resource-grid li strong {
            color: #ffbc74;
            font-weight: 700;
        }
        #resource-title, h3 {
            color: #ffcf94;
            font-weight: 700;
            letter-spacing: -0.2px;
            font-size: 1.5rem;
        }
        .btn-link {
            display: inline-block;
            margin-top: 10px;
            font-size: 12px;
            color: #ffb163;
        }
        /* 响应式微调 */
        @media (max-width: 700px) {
            .container {
                padding: 18px;
            }
            .keyword-bar a {
                font-size: 11px;
                padding: 4px 12px;
            }
            h1 {
                font-size: 26px;
            }
            .resource-grid ul {
                min-width: 100%;
            }
        }
        /* 附加资源导航标题 */
        .res-title {
            font-size: 1.6rem;
            margin-bottom: 0.8rem;
        }
/* 视频播放图标样式 */
.card-img {
    position: relative;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 50%;
    backdrop-filter: blur(2px);
    transition: all 0.25s ease;
    pointer-events: none; /* 让图标不干扰点击链接 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.play-icon::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent white;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
}

.card:hover .play-icon {
    background: rgba(0, 0, 0, 0.85);
    transform: translate(-50%, -50%) scale(1.1);
    border-color: rgba(255, 200, 120, 0.8);
}

.card:hover .play-icon::before {
    border-left-color: #ffd59e;
}

/* 移动端略微缩小图标 */
@media (max-width: 700px) {
    .play-icon {
        width: 44px;
        height: 44px;
    }
    .play-icon::before {
        border-width: 8px 0 8px 13px;
    }
}
        /* 保持与原结构完全一致，仅样式革新 */