* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif
        }
        
        body {
            background: #fff;
            color: #333;
            line-height: 1.7
        }
        /* 整体独立前缀：ylk- 不和任何外部冲突 */
        
        .yllk-main {
            width: 100%;
            overflow: hidden
        }
        /* Banner 全屏顶格 */
        
        .yllk-banner {
            width: 100%;
            height: 605px;
            background: url(/static/index/picture/ylk_banner.jpg) no-repeat center center;
            background-size: cover;
            position: relative;
            display: flex;
            align-items: center
        }
        
        .yllk-banner::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 30, 60, 0.35)
        }
        
        .yllk-banner-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px
        }
        
        .yllk-banner h1 {
            font-size: 44px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 500
        }
        
        .yllk-banner p {
            font-size: 18px;
            color: #fff;
            max-width: 620px;
            margin-bottom: 30px;
            line-height: 1.8
        }
        
        .yllk-banner a {
            display: inline-block;
            background: #177bc0;
            color: #fff;
            padding: 14px 36px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 16px
        }
        /* 通用居中容器 */
        
        .yllk-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px
        }
        /* 标题样式（新样式，不和气调库一样） */
        
        .yllk-title {
            font-size: 28px;
            color: #222;
            text-align: center;
            margin-bottom: 12px;
            font-weight: 500
        }
        
        .yllk-title-desc {
            text-align: center;
            color: #666;
            font-size: 15px;
            margin-bottom: 50px
        }
        /* 阴凉库特点（左右结构，新布局） */
        
        .yllk-feature {
            padding: 70px 0
        }
        
        .yllk-feature-wrap {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 40px;
            align-items: center
        }
        
        .yllk-feature-left h3 {
            font-size: 24px;
            color: #222;
            margin-bottom: 22px
        }
        
        .yllk-feature-left li {
            list-style: none;
            padding-left: 22px;
            position: relative;
            margin-bottom: 14px;
            font-size: 15px;
            color: #333
        }
        
        .yllk-feature-left li::before {
            content: "•";
            color: #177bc0;
            position: absolute;
            left: 6px;
            top: 0
        }
        
        .yllk-feature-right img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 8px
        }
        /* 阴凉库分类卡片（新卡片样式） */
        
        .yllk-type {
            background: #f5f7fa;
            padding: 70px 0
        }
        
        .yllk-type-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px
        }
        
        .yllk-type-item {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05)
        }
        
        .yllk-type-item img {
            width: 100%;
            height: 200px;
            object-fit: cover
        }
        
        .yllk-type-item .txt {
            padding: 24px
        }
        
        .yllk-type-item h4 {
            font-size: 17px;
            color: #222;
            margin-bottom: 10px
        }
        
        .yllk-type-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.7
        }
        /* GSP阴凉库规范（独立板块） */
        
        .yllk-gsp {
            padding: 70px 0
        }
        
        .yllk-gsp-box {
            background: #edf4fb;
            padding: 36px;
            border-radius: 10px
        }
        
        .yllk-gsp-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px
        }
        
        .yllk-gsp-item {
            background: #fff;
            padding: 22px 24px;
            border-radius: 8px
        }
        
        .yllk-gsp-item h4 {
            font-size: 16px;
            color: #177bc0;
            margin-bottom: 8px
        }
        
        .yllk-gsp-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.6
        }
        /* 阴凉库参数（新表格样式） */
        
        .yllk-spec {
            background: #f5f7fa;
            padding: 70px 0
        }
        
        .yllk-spec-table {
            width: 100%;
            background: #fff;
            border-radius: 8px;
            overflow: hidden
        }
        
        .yllk-spec-table table {
            width: 100%;
            border-collapse: collapse
        }
        
        .yllk-spec-table th {
            background: #177bc0;
            color: #fff;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 500
        }
        
        .yllk-spec-table td {
            padding: 14px 20px;
            border-bottom: 1px solid #eee;
            font-size: 14px;
            color: #333
        }
        /* 移动端适配 */
        
        @media(max-width:992px) {
            .yllk-feature-wrap {
                grid-template-columns: 1fr
            }
            .yllk-type-list {
                grid-template-columns: repeat(2, 1fr)
            }
            .yllk-gsp-grid {
                grid-template-columns: 1fr
            }
        }
        
        @media(max-width:576px) {
            .yllk-type-list {
                grid-template-columns: 1fr
            }
            .yllk-banner {
                height: 580px
            }
            .yllk-banner h1 {
                font-size: 28px
            }
            .yllk-banner p {
                font-size: 16px
            }
        }