body{font-size:13px;line-height:1.6;}
/* ==========================================================
   首页桌面端修订（块A 隐性轮�?+ 块B 度量统一 + 块C 专题卷）
   规则范围：仅桌面�?�?69px；移动端�?lj-m.css 负责，零影响�?   蓝色区（hero/portal/feature-bar/values）视觉与排版保留�?   块B 基准线只作用于白区左对齐容器族�?   ========================================================== */

/* ---- 基础层（全视口）：轮播附加层默认隐藏，移动端不受影响 ---- */
.hero-slide-2, .hero-slide-3, .hero-wipe, .hero-dots, .hero-arrow{ display: none; }
/* 新增模块的移动端兜底样式（只作用于新区块，不动既有移动视觉） */
.topic-section{ padding: 24px 16px 0; }
.topic-card{
    background: #fff; border: 1px solid #e6ebf1; border-radius: 12px;
    padding: 16px; margin-bottom: 12px;
}
.topic-tag{line-height: 1.5; display: inline-block; font-size: 12px; color: #2d5a87; border: 1px solid #c9d6e4; border-radius: 999px; padding: 1px 10px; margin-bottom: 10px; }
.topic-tag.cfp{ color: #b9791a; border-color: #e8d5ae; }
.topic-name{line-height: 1.4; font-size: 16px; font-weight: 500; color: #1a3a5c; margin-bottom: 4px; }
.topic-sub{line-height: 1.5; font-size: 12px; color: #8a97a8; margin-bottom: 10px; }
.topic-sub .dl{ color: #F5A623; }
.topic-item{line-height: 1.6; display: block; font-size: 13px; color: #2c3e50; padding: 6px 0; border-bottom: 1px solid #f4f6f9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topic-item:last-child{ border-bottom: none; }
.topic-foot{ display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px solid #eef1f5; padding-top: 10px; margin-top: 10px; }
.topic-count{line-height: 1.5; font-size: 12px; color: #8a97a8; }
.topic-links{ display: flex; gap: 12px; }
.topic-link{line-height: 1.6; font-size: 13px; color: #2d5a87; font-weight: 500; text-decoration: none; cursor: pointer; }
.topic-detail{ display: none; font-size: 12px; color: #6a7888; line-height: 1.5; border-top: 1px dashed #e6ebf1; padding-top: 10px; margin-top: 10px; white-space: pre-wrap; }
.topic-card.expanded .topic-detail{ display: block; }

@media (min-width: 769px){

    /* ==========================================================
       块B · 1 基准线：白区容器统一 1200
       ========================================================== */
    .paper-grid,
    .section,
    .zhiyan-section,
    .zhiyan-groups,
    .feature-grid,
    .feature-header,
    .series-block,
    .topic-section,
    .review-plaza .section-header,
    .review-plaza .review-layout{
        max-width: 1200px !important;
    }
    .review-plaza .section-header, .review-plaza .review-layout{ margin-left: auto !important; margin-right: auto !important; }

    /* ==========================================================
       块B · 2 字号阶梯（T2 20 / T3 16 / T4 13·12；T1 hero 不动�?       ========================================================== */
    .sec-title{line-height: 1.3; font-size: 22px!important; font-weight: 500 !important; }
    .section-tab{line-height: 1.3; font-size: 22px!important; }
    .group-head{line-height: 1.3; font-size: 22px!important; font-weight: 500 !important; }
    .paper-title{line-height: 1.4; font-size: 16px !important; }
    .zhiyan-card-title{line-height: 1.4; font-size: 16px !important; }
    .featured-head h2{line-height: 1.3; font-size: 22px!important; font-weight: 500 !important; }

    /* ==========================================================
       块B · 3 对齐：分节头/卡题/条目全部左对齐同一基准�?       ========================================================== */
    .preprint-zone .section-header,
    .zhiyan-section .section-header,
    .review-plaza .section-header,
    .topic-head{
        text-align: left !important;
    }
    .section-tabs{ justify-content: flex-start !important; }

    /* ==========================================================
       块B · 4 间距六档�?/12/16/24/32/48�?       ========================================================== */
    .section{ padding: 48px 48px 0 !important; }
    .paper-grid{ gap: 24px !important; padding: 0 48px !important; margin: 24px auto !important; }
    .paper-card{ padding: 24px !important; }
    .zhiyan-section{ padding: 48px 48px 32px !important; }
    .zhiyan-groups{ gap: 24px !important; }
    .zhiyan-group{ padding: 24px !important; margin-bottom: 24px !important; }
    .zhiyan-cards{ gap: 16px !important; }
    .review-plaza{ padding-top: 48px !important; padding-bottom: 48px !important; }

    /* ==========================================================
       块B · 5 字重两档�?00�?00�? 悬浮导航隐藏
       ========================================================== */
    .paper-cat, .paper-title, .section-tab, .preprint-tab,
    .zhiyan-card-title, .group-head, .read-btn,
    .zhiyan-tag, .paper-authors, .paper-abstract, .paper-meta,
    .zhiyan-more, .zhiyan-card-count, .review-rule-more,
    .zhiyan-section h2, .review-plaza h4{
        font-weight: 500 !important;
    }
    .zhiyan-section h2{line-height: 1.3; font-size: 22px!important; }
    /* 白区 b/strong 一�?500（字重两�?400/500�?*/
    .paper-grid :is(b, strong), .zhiyan-section :is(b, strong),
    .topic-section :is(b, strong), .review-plaza :is(b, strong){
        font-weight: 500 !important;
    }
    /* quick-nav 恢复显示（全站统一�?*/

    /* hero 高度不再依赖 slide-1 文档流（轮播隐藏 slide-1 时高度不塌） */
    .hero{ min-height: 354px; box-sizing: border-box; }

    /* ==========================================================
       块A · logo 区隐性轮�?       静�?现状：slide-1 保持文档流原位，其余�?display:none
       slide-2/3 为整屏海报（.hero �?absolute 铺满），按钮悬浮
       ========================================================== */
    .hero-slide{ position: absolute; inset: 0; display: none; }
    .hero-slide.active{ display: block; }
    /* slide-1 为现状内容：不参�?absolute 布局，视觉零变化 */
    .hero-slide-1.active{ position: static; display: block; }
    /* 海报 = 横向宽横幅画卡：顶部对齐 hero 顶，左右与下方模块同宽，无阴�?*/
    .poster-frame{
        position: absolute; top: 0; left: 50%; transform: translateX(-50%);
        width: calc(100% - 40px); max-width: 1400px; line-height: 0;
    }
    .slide-poster{
        width: 100%; height: auto; object-fit: contain; display: block;
        border-radius: 0 0 12px 12px; box-shadow: none;
    }
    .slide-cta{ position: absolute; right: 56px; top: 50%; bottom: auto; left: auto; transform: translateY(-50%); }
    .slide-mid{
        position: absolute; left: 56px; top: 50%; transform: translateY(-50%);
        width: 62%; text-align: left; line-height: normal;
    }
    .slide-kick{
        display: inline-block; font-size: 13px; color: #b9791a; letter-spacing: 6px;
        font-weight: 500; border: 1px solid #ecd9ae; border-radius: 999px;
        padding: 5px 16px; margin-bottom: 16px;
    }
    .slide-dyn{
        margin: 0 0 10px; font-size: 26px; color: #1a3a5c; font-weight: 600;
        letter-spacing: 1px; line-height: 1.5; text-shadow: none;
    }
    .slide-dyn-sub{ margin: 0; font-size: 13px; color: #b9791a; letter-spacing: 2px; }
    .slide-cta .hero-btn{line-height: 1.6;
        display: inline-block; padding: 9px 32px; border-radius: 999px;
        font-size: 13px; font-weight: 500; text-decoration: none; transition: all .2s;
    }
    .slide-btn-on{ background: #1a3a5c; color: #fff; border: 1.5px solid #1a3a5c; }
    .slide-btn-on:hover{ background: #2d5a87; border-color: #2d5a87; }
    .slide-btn-off{ background: transparent; color: #1a3a5c; border: 1.5px solid #1a3a5c; }
    .slide-btn-off:hover{ background: #1a3a5c; color: #fff; }
    /* 手动切换箭头：深蓝圆钮（白海报上方需可见），悬停加深 */
    .hero-arrow{
        display: flex; align-items: center; justify-content: center;
        position: absolute; top: 50%; transform: translateY(-50%);
        width: 40px; height: 40px; border-radius: 50%;
        background: rgba(26,58,92,0.85); border: 1px solid rgba(26,58,92,0.9);
        color: #fff; font-size: 26px; line-height: 1; padding: 0; cursor: pointer;
        z-index: 7; transition: background .2s; font-family: inherit;
    }
    .hero-arrow:hover{ background: #2d5a87; }
    .hero-arrow-prev{ left: 20px; }
    .hero-arrow-next{ right: 20px; }
    /* 抠块动效层：底色�?hero 一�?*/
    .hero-wipe{
        display: block;
        position: absolute; inset: 0; background: #1a3a5c;
        transform: translateX(-101%); z-index: 5; pointer-events: none;
    }
    /* 指示器：常驻 55% 透明，悬停全显；8px 圆点，当前项 20px 长条 */
    .hero-dots{
        position: absolute; right: 48px; bottom: 14px; display: flex; gap: 8px;
        opacity: 0.55; transition: opacity .25s ease; z-index: 6;
    }
    .hero:hover .hero-dots{ opacity: 1; }
    .hero-dots span{
        width: 8px; height: 8px; border-radius: 4px;
        background: rgba(255,255,255,0.55); transition: width .25s ease;
        cursor: pointer;
    }
    .hero-dots span.on{ width: 20px; background: rgba(255,255,255,0.85); }

    /* ==========================================================
       块C · 专题卷（白区卡片，三�?24 列距�?       ========================================================== */
    .topic-section{ margin: 0 auto; padding: 48px 48px 0; }
    .topic-head{ margin-bottom: 24px; display: flex; align-items: baseline; gap: 12px; }
    .topic-head .sec-title{ margin: 0; }
    .topic-head .col-en{line-height: 1.4; font-size: 11px; color: #8a97a8; letter-spacing: 2px; font-weight: 500; }
    .topic-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .topic-card{
        background: #fff; border: 1px solid #e6ebf1; border-radius: 12px;
        padding: 24px; margin-bottom: 0; display: flex; flex-direction: column; min-width: 0;
    }
    .topic-tag{line-height: 1.5;
        display: inline-block; align-self: flex-start;
        font-size: 12px; color: #2d5a87; border: 1px solid #c9d6e4;
        border-radius: 999px; padding: 1px 10px; margin-bottom: 12px;
    }
    .topic-tag.cfp{ color: #b9791a; border-color: #e8d5ae; }
    .topic-name{ font-size: 16px; font-weight: 500; color: #1a3a5c; line-height: 1.4; margin-bottom: 6px; }
    .topic-sub{ font-size: 12px; color: #8a97a8; line-height: 1.5; margin-bottom: 16px; min-height: 19px; }
    .topic-sub .dl{ color: #F5A623; }
    .topic-list{ border-top: 1px solid #eef1f5; padding-top: 8px; margin-bottom: 16px; flex: 1; min-width: 0; }
    .topic-item{
        display: block; font-size: 13px; color: #2c3e50; line-height: 1.6;
        padding: 8px 0; border-bottom: 1px solid #f4f6f9;
        white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0;
    }
    .topic-item:last-child{ border-bottom: none; }
    .topic-foot{
        display: flex; align-items: center; justify-content: space-between; gap: 8px;
        border-top: 1px solid #eef1f5; padding-top: 12px; margin-top: 0; min-width: 0;
    }
    .topic-count{line-height: 1.5; font-size: 12px; color: #8a97a8; }
    .topic-links{ display: flex; gap: 12px; }
    .topic-link{line-height: 1.6; font-size: 13px; color: #2d5a87; text-decoration: none; font-weight: 500; cursor: pointer; }
    .topic-link:hover{ color: #1a3a5c; }
    .topic-detail{
        display: none; font-size: 12px; color: #6a7888; line-height: 1.5;
        border-top: 1px dashed #e6ebf1; padding-top: 12px; margin-top: 12px;
        white-space: pre-wrap;
    }
    .topic-card.expanded .topic-detail{ display: block; }
}


/* ==========================================================
   V2.0 差量（仅 mock 预览用）：B3/B4/C �?控制件悬停显�?   ========================================================== */
@media (min-width: 769px){
    /* B4：全部区块容器归 1200 基准线（含深色区与页脚），海报横幅跟随对�?*/
    #portalModules #portalWrap{ max-width: 1200px !important; padding-left: 24px !important; padding-right: 24px !important; }
    .portal-title, .portal-subtitle{
        max-width: 1200px !important; width: 100% !important;
        margin-left: auto !important; margin-right: auto !important;
        padding-left: 24px !important; padding-right: 24px !important;
    }
    .values-grid, .footer-grid, .footer-bottom{
        max-width: 1200px !important;
        padding-left: 24px !important; padding-right: 24px !important;
    }
    .footer-bottom{ margin-left: auto !important; margin-right: auto !important; }
    .poster-frame{ max-width: 1200px !important; width: calc(100% - 48px) !important; }
    .feature-grid{ max-width: 1200px !important; }
    .topic-section{ padding: 48px 0 0 !important; }
    .topic-head, .topic-grid{ padding-left: 24px !important; padding-right: 24px !important; }
    /* 块A：箭头与圆点改为悬停淡入，移出即�?*/
    .hero-arrow{ opacity: 0; transition: opacity .25s ease; pointer-events: none; }
    .hero:hover .hero-arrow{ opacity: 1; pointer-events: auto; }
    .hero-dots{ opacity: 0 !important; pointer-events: none; }
    .hero:hover .hero-dots{ opacity: 1 !important; pointer-events: auto; }
    /* B3：导航激活字�?600�?00（橙色下划线已表激活） */
    
    /* 圆角归位：白区卡�?12�?0（特色卡 16 保留�?*/
    .paper-card, .zhiyan-card, .topic-card, .review-item, .review-rules{ border-radius: 10px !important; }
    /* C：学科标�?6px 圆角母版 */
    .topic-tag{ border-radius: 6px !important; }
}


/* ==========================================================
   V3.0 秩序层（mock）：内容轴唯一 / 节奏收紧 / 字级分级 / hero 420
   ========================================================== */
@media (min-width: 769px){
    /* —�?内容轴统一 x=144：容�?1200 + �?padding 一�?24 —�?*/
    .paper-grid{ padding: 0 24px !important; }
    .zhiyan-section{ padding: 0 24px !important; }
    .review-plaza .section-header, .review-plaza .review-layout{ padding: 0 24px !important; }
    .feature-grid{ padding: 0 24px !important; }
    /* —�?垂直节奏�?6/24/32/48 —�?*/
    .portal-modules{ padding: 40px 0 48px !important; }
    .portal-subtitle{ margin-bottom: 32px !important; }
    .preprint-zone{ padding: 48px 24px 0 !important; }
    .filter-zone{ margin-top: 12px !important; }
    .paper-grid{ margin: 16px auto 0 !important; }
    .review-plaza{ margin: 48px 0 0 !important; }
    .zhiyan-section{ margin: 48px auto 0 !important; }
    .zhiyan-group{ margin-bottom: 32px !important; }
    .topic-section{ margin: 48px 0 0 !important; padding: 40px 0 16px !important; }
    .feature-bar{ padding: 16px 0 32px !important; }
    .values-section{ padding: 0 0 32px !important; }
    .site-footer{ padding: 32px 0 24px !important; }
    .review-plaza .section-header{ margin-bottom: 20px !important; }
    .zhiyan-caption{ margin: 12px 0 24px !important; }
    /* —�?字级�?2/18/16/14/12 —�?*/
    .portal-title{line-height: 1.3; font-size: 22px !important; font-weight: 600 !important; }
    .preprint-tab{line-height: 1.3; font-size: 22px !important; font-weight: 600 !important; }
    .topic-head .sec-title{line-height: 1.3; font-size: 22px !important; font-weight: 600 !important; }
    .group-head{line-height: 1.4; font-size: 16px!important; font-weight: 600 !important; }
    .zhiyan-head h2{line-height: 1.4; font-size: 16px!important; font-weight: 600 !important; }
    .review-plaza .section-tab{line-height: 1.4; font-size: 16px!important; font-weight: 600 !important; }
    .paper-title, .zhiyan-card-title, .topic-name, .review-item h4,
    .feature-card h3, .value-card h3, .review-rules h4{line-height: 1.4; font-size: 16px !important; font-weight: 600 !important; }
    .value-card h3{line-height: 1.4; font-size: 16px!important; }
    .paper-abstract, .zhiyan-card-desc, .topic-item, .topic-sub, .topic-detail,
    .rule-item, .feature-card p, .value-card p, .review-item p, .portal-card-desc{line-height: 1.6; font-size: 13px!important; }
    .paper-authors, .zhiyan-card-sub{line-height: 1.6; font-size: 13px!important; }
    .paper-meta, .zhiyan-card-count, .zhiyan-card-audience, .ri-meta,
    .topic-count, .footer-grid a{line-height: 1.5; font-size: 12px !important; }
    .zhiyan-card-audience b, .rule-item b{ font-weight: 600 !important; }
    /* —�?hero 420：slide-1 垂直居中 —�?*/
    .hero{ min-height: 420px !important; display: flex !important; flex-direction: column !important; justify-content: center !important; }
    .hero-dots{ bottom: 12px !important; }
    /* 海报 384 高、与模块同一垂直线（mock �?v3 海报文件�?*/
    .poster-frame{ max-width: 1200px !important; width: calc(100% - 48px) !important; }
    .slide-cta{ right: 48px !important; }
    .slide-mid{ left: 48px !important; width: 62% !important; }
}


/* V3.1 对齐补丁 */
@media (min-width: 769px){
    .zhiyan-group{ padding: 0 !important; }
    .topic-head{ max-width: 1200px !important; width: 100% !important; margin: 0 auto 24px !important; padding: 0 24px !important; box-sizing: border-box; }
    .topic-grid{ max-width: 1200px !important; width: 100% !important; margin: 0 auto !important; padding: 0 24px !important; box-sizing: border-box; }
    #portalModules #portalWrap{ padding-left: 24px !important; padding-right: 24px !important; gap: 24px !important; box-sizing: border-box !important; }
    #portalModules #portalWrap > a.portal-card{ min-width: 0 !important; }
}


/* V3.2 对齐补丁 */
@media (min-width: 769px){
    .topic-section{ margin: 48px auto 0 !important; }
    .zhiyan-cards{ gap: 24px !important; }
}


/* ==========================================================
   V4.0 浮岛秩序：深色带全幅 / 白色面板浮起 / 单轴 1200@x120 / 16px 窄沟
   ========================================================== */
@media (min-width: 769px){
    /* 深色组（hero+八模块一体）：顶部留 16px 窄沟，八模块恢复无缝马赛�?*/
    .hero{ margin-top: 16px !important; }
    #portalModules #portalWrap{ padding-left: 0 !important; padding-right: 0 !important; gap: 0 !important; }

    /* 白色面板�?6px 沟浮起，内容统一 1200 轴（x120，无内侧 padding�?*/
    .preprint-zone{ background: #fff !important; border-radius: 16px !important; margin: 16px !important; padding: 40px 0 28px !important; }
    .preprint-zone .section-header, .preprint-zone .filter-zone{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; padding: 0 !important; }
    .paper-grid{ max-width: 1200px !important; margin: 16px auto 0 !important; padding: 0 !important; }
    .review-plaza{ background: #fff !important; border-radius: 16px !important; margin: 16px !important; padding: 32px 0 24px !important; border-top: none !important; }
    .review-plaza .section-header, .review-plaza .review-layout{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; padding: 0 !important; }
    .zhiyan-section{ background: #fff !important; border-radius: 16px !important; margin: 16px auto !important; padding: 32px 0 16px !important; }
    .zhiyan-group{ padding: 0 !important; margin-bottom: 32px !important; }
    .zhiyan-group:last-of-type{ margin-bottom: 0 !important; }
    .zhiyan-caption{ margin: 16px 0 0 !important; }
    .values-section{ background: #fff !important; border-radius: 16px !important; margin: 16px auto !important; padding: 40px 0 !important; border-top: none !important; }
    .values-grid{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; padding: 0 !important; }

    /* 专题�?特色卡：内容轴归 1200，特色卡与价值面板之间不留线 */
    .topic-section{ margin: 16px !important; padding: 40px 0 0 !important; }
    .topic-head{ max-width: 1200px !important; margin: 0 auto 24px !important; padding: 0 !important; }
    .topic-grid{ max-width: 1200px !important; margin: 0 auto !important; padding: 0 !important; }
    .feature-bar{ padding: 32px 0 0 !important; border-top: none !important; }
    .feature-grid{ max-width: 1200px !important; margin: 0 auto !important; padding: 0 !important; }

    /* 页脚：与上方 16px 沟，内容�?1200 */
    .site-footer{ margin-top: 16px !important; }
    .footer-grid, .footer-bottom{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; padding: 0 !important; }
}


/* V4.1：专题卷面板满宽浮起，内容归 1200 �?*/
@media (min-width: 769px){
    .topic-section{ max-width: none !important; margin: 16px !important; }
}


/* V4.2：页�?主导航并入深色组，顶�?16px 窄沟由页头承�?*/
@media (min-width: 769px){
    
    
    .hero{ margin-top: 0 !important; }
}


/* V4.3：知识库/价值宣言面板满宽统一（内容仍�?1200 轴） */
@media (min-width: 769px){
    .zhiyan-section{ max-width: none !important; margin: 16px !important; }
    .zhiyan-group{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; }
    .zhiyan-caption{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; }
    .values-section{ max-width: none !important; margin: 16px !important; }
}


/* ==========================================================
   V5.0 批注修订：海报悬�?/ 权利卡一�?/ 网格间隙收紧 / 阴影清除
   ========================================================== */
@media (min-width: 769px){
    /* �?页头阴影清除 */
    

    /* �?海报：悬浮不贴上沿、四角全倒角、竖向加�?          hero 528 = 页头�?28 �?+ 海报 456 + 底部 44 蓝条 */
    .hero{ min-height: 528px !important; }
    .hero-inner{ transform: translateY(-24px) !important; }
    .poster-frame{ margin-top: 28px !important; height: 456px !important; border-radius: 12px !important; }
    .poster-frame img{ border-radius: 12px !important; }
    .hero-dots{ bottom: 16px !important; right: 48px !important; }

    /* �?权利卡：无缝一体、内容轴 1200、与下沿�?40 呼吸 */
    .feature-bar{ background: transparent !important; padding: 44px 0 40px !important; }
    .feature-grid{ gap: 0 !important; }
    .feature-grid > *{ border-radius: 0 !important; }

    /* �?网格间隙收紧 24�?6、筛选条到网�?16�? */
    .paper-grid{ gap: 16px !important; margin-top: 8px !important; }
    .filter-zone{ margin-top: 8px !important; }
    .zhiyan-cards{ gap: 16px !important; }
    .topic-grid{ gap: 16px !important; }
}


/* ==========================================================
   V5.1 三处修复：sticky 页头顶缝 / 权利卡带深蓝�?/ 价值宣言深蓝带恢�?   ========================================================== */
@media (min-width: 769px){
    /* �?sticky 页头不能�?margin-top（滚动时上方漏内容缝）；沟改�?hero 承担 */
    
    .hero{ margin-top: 16px !important; }

    /* �?权利卡带：恢复深蓝底（卡片为 6% �?slab，依赖深底） */
    .feature-bar{ background: #1a3a5c !important; }

    /* �?价值宣言：恢复深蓝全幅带（value-card �?rgba �?slab + �?金字，依赖深底），与页脚连为一�?*/
    .values-section{ background: #1a3a5c !important; color: #fff !important; border-radius: 0 !important; max-width: none !important; margin: 16px 0 0 !important; padding: 48px 0 !important; }
    .site-footer{ margin-top: 0 !important; }
}


/* ==========================================================
   V5.2 细节修订：预印本区域合一 / 知识库头�?more 链接归轴
   ========================================================== */
@media (min-width: 769px){
    /* 预印本：tabs+副题+筛选条合并为整体白色，清除所有分层线条与灰条 */
    .preprint-zone{ border-bottom: none !important; }
    .preprint-zone .section-header{ margin-bottom: 12px !important; }
    .filter-zone{ background: #fff !important; border: none !important; }
    .filter-arrow{ background: transparent !important; border: none !important; }

    /* 知识库头：h2/EN 左缘�?x120；实战·研究链接右缘归 x1320 */
    .zhiyan-section{ position: relative !important; }
    .zhiyan-section > h2{ max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; }
    .zhiyan-section > .col-en{ display: block !important; max-width: 1200px !important; margin: 4px auto 0 !important; }
    .zhiyan-more{ position: absolute !important; right: calc((100% - 1200px) / 2) !important; top: 40px !important; }
}


/* V5.3 结构归位修正 */
@media (min-width: 769px){
    .zhiyan-head{ max-width: 1200px !important; margin: 0 auto !important; position: relative !important; }
    .zhiyan-head .zhiyan-more{ position: absolute !important; right: 0 !important; top: 8px !important; }
    .zhiyan-section > h2, .zhiyan-section > .col-en{ max-width: none !important; }
}


/* ==========================================================
   V5.4：取消导航下白条 / 筛选条单行横滚 / 网格空态保�?   ========================================================== */
@media (min-width: 769px){
    /* �?导航�?hero 之间的白条取消（海报已自�?28px 悬浮沟） */
    .hero{ margin-top: 0 !important; }

    /* �?筛�?chips 禁止换行：单行横向滚动，结构恒稳 */
    .filter-bar{ flex-wrap: nowrap !important; overflow-x: auto !important; scrollbar-width: none; height: 40px; }
    .filter-bar::-webkit-scrollbar{ display: none; }

    /* �?网格恒定高度 + 空态占位文案（点击非全部导�?0 结果时不再塌缩） */
    .paper-grid{ min-height: 600px !important; }
    .paper-grid:not(:has(> .paper-card:not([style*="display: none"])))::after{line-height: 1.6;
        content: '该分类暂无收录内�?;
        grid-column: 1 / -1;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 560px;
        color: #9aa7b5;
        font-size: 13px;
        letter-spacing: 0;
    }
}


/* V5.4b：chips 防压缩折�?*/
@media (min-width: 769px){
    .filter-bar .subject-pill{ flex-shrink: 0 !important; white-space: nowrap !important; }
}

/* ==========================================================================
   首页移动端视觉微调 2026-09-28（仅 <=768px 首页；桌面端零影响）
   任务二/三：卡片压缩 - 对齐秩序
   ========================================================================== */
@media (max-width: 768px){
    /* 任务三.1：左缘统一对齐到文章卡左缘（卡=32px：zone内边距16+grid内边距16） */
    .preprint-zone .filter-zone{ padding-left: 0 !important; padding-right: 0 !important; }
    .preprint-zone .filter-bar{ padding-left: 16px !important; padding-right: 16px !important; }
    .preprint-tabs{ margin-left: 16px !important; margin-right: 16px !important; }
    .preprint-subtitle{ padding-left: 16px !important; padding-right: 16px !important; }
    .feature-bar{ padding-left: 32px !important; padding-right: 32px !important; }
    /* 任务三.2：副标题左对齐 */
    .preprint-subtitle{ text-align: left !important; }
    /* 任务三.5：筛选条 < > 箭头隐藏（触摸横滑保留） */
    .preprint-zone .filter-arrow{ display: none !important; }
    /* 任务三.3：学科标签 = 自适应小 pill（去掉通栏长条） */
    .preprint-zone .paper-cat{ display: inline-block !important; }
    /* 任务二.3：学科标签 -> 标题 间距 14px */
    .preprint-zone .paper-cat{ margin-bottom: 14px !important; }
    /* 任务二.6：卡片间距 24px */
    .preprint-zone .paper-grid{ gap: 24px !important; }
    /* 任务二.4：阅读全文 = 文字链（无边框/背景，字重与元信息一致 500，12px） */
    .preprint-zone .read-btn{line-height: 1.5;
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
        font-size: 12px !important;
        font-weight: 500 !important;
        color: #2d5a87 !important;
    }
    /* 任务三.6：删除「创作者主权平台」下方重复标语（保留 hero logo 下一处） */
    .portal-subtitle{ display: none !important; }
    /* 任务三.7：首屏上下留白压缩约 30%（32->22 / 24->17）+ 主按钮与次按钮间距 14px */
    .hero{ padding-top: 22px !important; padding-bottom: 17px !important; }
    .hero-btns{ gap: 16px !important; }
    /* 任务三.8：特性卡正文限三行省略 */
    .feature-card p{
        display: -webkit-box !important;
        -webkit-line-clamp: 3 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }
}