/* 资料夹 · 画报版（2026-10-06 定稿预览）。不由 build-design.py 生成，直接改这里。 */
#xu-archive{min-height:100%;display:flex;flex-direction:column;--ink:#171715;--paper:#e6e2d7;--line:#b5b0a4;--soft:#6e6a62;--red:#e0301c;color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}
#xu-archive *{box-sizing:border-box}
:where(#xu-archive) button{font:inherit;color:inherit;cursor:pointer}
:where(#xu-archive) a{color:inherit;text-decoration:none}
.xa-page{flex:1 0 auto;min-height:100%;display:flex;flex-direction:column;padding-bottom:22px;background:var(--bg,var(--paper));--pc:var(--bg,#aebc98);--panel:color-mix(in srgb,var(--pc) 62%,#ffffff);--dim:color-mix(in srgb,var(--pc) 42%,#171715);--sub:color-mix(in srgb,var(--pc) 62%,#171715);--rule:color-mix(in srgb,var(--pc) 70%,#171715)}
.xa-page.paper{--bg:var(--paper)}
.xa-head{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 20px 0}
.xa-head h1,.xa-head .xa-h2{margin:0;font-size:28px;line-height:1.15;font-weight:800;letter-spacing:-.6px}
.xa-head .xa-h2{color:var(--sub)}
.xa-page.paper .xa-head .xa-h2{color:#a29d92}
.xa-back{display:flex;align-items:center;gap:4px;font-size:12px;min-height:30px;margin-left:-2px;border:0;background:none;padding:0}
.xa-icon{width:44px;height:44px;border:0;background:none;display:flex;align-items:center;justify-content:center;padding:0}
.xa-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--dim);gap:12px}
.xa-page.paper .xa-meta{color:var(--soft)}
.xa-big{display:flex;align-items:baseline;line-height:1}
.xa-big b{font-size:56px;font-weight:700;letter-spacing:-2.5px}
.xa-big span{font-size:56px;font-weight:700;letter-spacing:-2.5px;color:color-mix(in srgb,var(--pc) 75%,#171715)}
.xa-page.paper .xa-big span{color:#b3aea3}
.xa-side{display:flex;flex-direction:column;align-items:flex-end;font-size:11px;line-height:1.5;padding-bottom:5px;text-align:right}
.xa-side small{color:var(--dim);font-size:11px}
.xa-page.paper .xa-side small{color:var(--soft)}
.xa-side strong{font-size:13px}
.xa-red{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-right:5px;vertical-align:1px}

/* 资料夹首页：点阵 + 叠卡 */
.xa-activity{padding:22px 20px 0;display:flex;flex-direction:column;gap:10px}
.xa-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:column;grid-template-rows:repeat(7,16px);gap:4px 0;justify-items:center;align-items:center}
.xa-grid i{display:block;border-radius:2px}
.xa-row{display:flex;justify-content:space-between;align-items:flex-end;padding-top:6px}
.xa-stack{padding:18px 12px 0;display:flex;flex-direction:column}
.xa-card{position:relative;display:flex;flex-direction:column;gap:12px;border-radius:22px;padding:12px 16px 12px 12px;border:0;text-align:left;width:100%}
.xa-card.back{height:92px;margin-bottom:-32px}
.xa-cardhead{display:flex;align-items:center;gap:12px;min-height:36px;width:100%;border:0;background:none;padding:0;text-align:left}
.xa-cardhead .t{flex-grow:1;font-size:19px}
.xa-cardhead .n{font-size:19px}
.xa-dot{width:36px;height:36px;flex-shrink:0;border-radius:50%;background:var(--paper);display:flex;align-items:center;justify-content:center;font-size:12px}
.xa-dot.dark{background:var(--ink);color:var(--paper)}
.xa-dot.ring{background:none;box-shadow:inset 0 0 0 1px currentColor}
.xa-cells{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.xa-cell{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.28);border:0;text-align:left;min-height:62px}
.xa-cell small{font-size:11px;opacity:.75}
.xa-cell strong{font-size:13px}

/* 项目页 */
.xa-panel{margin:18px 12px 0;padding:16px 16px 14px;border-radius:24px;background:var(--panel);display:flex;flex-direction:column;gap:12px}
.xa-units{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));grid-auto-rows:22px;justify-items:center;align-items:center}
.xa-units i{display:block;border-radius:50%}
.xa-units i.cur{animation:xa-pulse 1.6s ease-in-out infinite}
@keyframes xa-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.35)}}
.xa-docsq{display:flex;flex-wrap:wrap;gap:6px;align-items:flex-end;min-height:40px}
.xa-docsq i{display:block;width:14px;border-radius:3px;background:var(--ink)}
.xa-next{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;padding:0 8px 0 22px;border-radius:30px;background:var(--ink);color:#f2efe6;border:0;width:100%;text-align:left}
.xa-next span:first-child{display:flex;flex-direction:column;gap:2px}
.xa-next small{font-size:10px;color:#b9b6ac}
.xa-next b{font-size:15px}
.xa-next .arrow{width:44px;height:44px;border-radius:50%;background:#f2efe6;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.xa-wrap{padding:14px 12px 0}
.xa-list{padding:18px 12px 0;display:flex;flex-direction:column;gap:8px}
.xa-list .xa-meta{padding:0 8px}
.xa-item{display:flex;align-items:center;gap:12px;padding:12px 16px 12px 12px;border-radius:20px;border:1px solid var(--rule);background:none;width:100%;text-align:left}
.xa-item.folder{border:0;background:var(--panel);flex-direction:column;align-items:stretch;gap:10px;padding:14px 16px 14px 12px}
.xa-item .row{display:flex;align-items:center;gap:12px}
.xa-item .grow{flex-grow:1;display:flex;flex-direction:column;min-width:0}
.xa-item .grow b{font-size:16px;font-weight:700;overflow-wrap:anywhere}
.xa-item .grow small{font-size:11px;color:var(--dim)}
.xa-page.paper .xa-item .grow small{color:var(--soft)}
.xa-item .num{font-size:14px;white-space:nowrap}
.xa-item .num small{font-size:11px;color:var(--dim)}
.xa-statusbar{display:grid;gap:6px}
.xa-statusbar i{height:6px;border-radius:3px}
.xa-empty{padding:16px 20px;font-size:13px;color:var(--dim);line-height:1.8}
.xa-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:22px 20px 4px;justify-items:center;margin-top:auto}
.xa-tool{display:flex;flex-direction:column;align-items:center;gap:6px;border:0;background:none;padding:0;font-size:11px}
.xa-tool span{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.38);display:flex;align-items:center;justify-content:center}
.xa-page.paper .xa-tool span{background:#d6d1c5}

/* 文件夹页：题目叠卡 */
.xa-topics{padding:18px 12px 0;display:flex;flex-direction:column}
.xa-topic{position:relative;border-radius:22px;padding:12px 16px 12px 12px;border:0;text-align:left;width:100%;display:flex;flex-direction:column;gap:14px}
.xa-topic.back{height:92px;margin-bottom:-32px}
.xa-topic .xa-cardhead .t{font-size:17px}
.xa-topic .state{font-size:12px;opacity:.8}
.xa-segbar{display:flex;gap:3px;height:26px;padding-left:48px}
.xa-segbar i{border-radius:4px;flex-grow:1}
.xa-topic .stopnote{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 10px 14px;margin-left:48px;border-radius:18px;background:var(--ink);color:#f1efe6}
.xa-topic .stopnote small{display:block;font-size:10px;color:#b9b6ac}
.xa-topic .stopnote b{font-size:13px}

/* 题目页：柱子 */
.xa-bars{display:grid;gap:10px;align-items:end;height:96px;padding:0 6px}
.xa-bars i{display:block;border-radius:22px;position:relative;min-height:16px}
.xa-bars i.stop:after{content:"";position:absolute;top:-5px;left:50%;width:9px;height:9px;margin-left:-4.5px;border-radius:50%;background:var(--red)}
.xa-barlabels{display:grid;gap:10px;padding:0 6px;font-size:11px;text-align:center}
.xa-segs{padding:16px 20px 0;display:flex;flex-direction:column}
.xa-seghead{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--soft);padding:4px 0}
.xa-seg{display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:10px;align-items:center;min-height:42px;border:0;border-top:1px solid var(--line);background:none;padding:0;text-align:left;width:100%}
.xa-seg:first-of-type{border-top-color:var(--ink)}
.xa-seg .sq{width:10px;height:10px;border-radius:2px;background:var(--ink)}
.xa-seg .sq.empty{background:none;box-shadow:inset 0 0 0 1.5px #a29d92}
.xa-seg .sq.stop{border-radius:50%;background:var(--red)}
.xa-seg b{font-size:15px;font-weight:400}
.xa-seg.is-stop b{font-weight:700}
.xa-seg.is-empty b{color:var(--soft)}
.xa-seg small{font-size:12px;color:var(--soft)}
.xa-seg:last-of-type{border-bottom:1px solid var(--line)}
.xa-material{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.xa-mat{display:flex;flex-direction:column;gap:8px;padding:12px;border-radius:18px;background:#d6d1c5;border:0;text-align:left}
.xa-mat b{font-size:14px}
.xa-mat small{font-size:11px;color:var(--soft)}

/* 阅读与编辑 */
.xa-read{flex:1 0 auto;background:#f2eee4;color:#1b1a17;min-height:100%;display:flex;flex-direction:column;padding-bottom:26px}
.xa-read .bar{display:flex;justify-content:space-between;align-items:center;padding:18px 20px 0;font-size:12px}
.xa-read .bar button{display:flex;align-items:center;gap:6px;min-height:40px;border:0;background:none;padding:0}
.xa-serif{font-family:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",serif}
.xa-title{padding:34px 0 0 20px}
.xa-title .line{display:flex;align-items:center;gap:14px}
.xa-title h1{margin:0;font-size:40px;line-height:1.2;font-weight:600;letter-spacing:1px;max-width:calc(100% - 64px);overflow-wrap:anywhere}
.xa-title .line i{flex-grow:1;min-width:40px;height:2px;background:#1b1a17}
.xa-title .info{display:flex;flex-direction:column;font-size:13px;line-height:1.6;padding:18px 20px 0 0;color:#4a4740}
.xa-rule{margin:28px 20px 0;border-top:1px solid #1b1a17}
.xa-body{padding:24px 20px 0;display:flex;flex-direction:column;gap:20px;font-size:15.5px;line-height:1.95}
.xa-body h2{font-size:17px;font-weight:700;letter-spacing:.5px;margin:8px 0 0}
.xa-para{display:grid;grid-template-columns:30px minmax(0,1fr)}
.xa-para span{font-size:14px;line-height:2.1}
.xa-para span.dot{display:flex;padding-top:9px}
.xa-para span.dot:before{content:"";width:13px;height:13px;border-radius:50%;background:var(--red)}
.xa-para p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.xa-blank{font-size:15px;color:#6e6a62;line-height:1.9}
.xa-foot{padding:30px 20px 0;display:flex;flex-direction:column;gap:16px;margin-top:auto}
.xa-foot .xa-meta{border-top:1px solid var(--line);padding-top:10px;color:#4a4740}
.xa-pill{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 20px 0 22px;border:0;border-radius:28px;background:var(--ink);color:#f2efe6;font-size:15px;font-weight:700;width:100%}
.xa-pill.light{background:none;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);justify-content:center}
.xa-edit{padding:24px 20px 0;display:flex;flex-direction:column;gap:14px}
.xa-edit input,.xa-edit textarea,.xa-form input,.xa-form textarea{width:100%;border:0;border-radius:14px;background:#fbf9f3;color:var(--ink);font-size:16px;line-height:1.8;padding:12px 14px;box-shadow:inset 0 0 0 1px #d6d1c5}
.xa-edit input.title{font-size:24px;font-weight:600}
.xa-edit textarea{min-height:50vh;resize:none;font-size:16px;line-height:1.95}
.xa-row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.xa-danger{border:0;background:none;color:#a1301f;font-size:13px;min-height:44px}

/* 表单页（留下进度、导入、新建、改项目） */
.xa-form{padding:24px 20px 0;display:flex;flex-direction:column;gap:14px}
.xa-form label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--soft)}
.xa-form textarea{min-height:120px;resize:vertical}
.xa-form textarea.big{min-height:40vh}
.xa-form .hint{font-size:12px;color:var(--soft);line-height:1.7;margin:0}
.xa-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.xa-choice{border:0;border-radius:18px;padding:14px;background:#d6d1c5;text-align:left;display:flex;flex-direction:column;gap:4px;min-height:72px}
.xa-choice[aria-pressed=true]{background:var(--ink);color:#f2efe6}
.xa-choice b{font-size:15px}
.xa-choice small{font-size:11px;opacity:.75}