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/* 展信佳：朋友之间的书信目录与双侧时间轴 */
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10px}.timeline-entry.left .timeline-card:before{left:20px;right:-20px;background:#d4d5bb}.timeline-stamp{position:relative;width:60px;height:60px;flex-shrink:0;background:#e1ebe7;border:1px solid #c3d4cf;border-radius:50%;display:grid;place-items:center;font-size:27px;color:#698b85;z-index:1;box-shadow:0 0 0 6px var(--paper)}.timeline-card.author-2 .timeline-stamp{background:#ecebdc;border-color:#d5d3b7;color:#a09c68}.timeline-text{display:block;flex:1;min-width:0;position:relative;z-index:1}.timeline-author{display:inline-block;background:var(--paper);color:#7e8a78;font-size:11px;padding:0 5px;margin-bottom:7px}.timeline-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-family:var(--serif);font-size:19px;line-height:1.5;background:var(--paper);padding:0 5px;overflow-wrap:anywhere}.timeline-date{display:block;margin-top:12px;font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.7px;background:var(--paper);padding:0 5px;color:#667963}.timeline-kind{display:block;font-size:10px;color:#9ba38f;margin:7px 5px 0;background:var(--paper)}.timeline-card:hover .timeline-title{color:#546d67;text-decoration:underline;text-underline-offset:5px}.timeline-card:hover .timeline-stamp{box-shadow:0 0 0 6px var(--paper),0 0 0 7px #cad8cb}.collection-top .add-button{font-size:12px}.hero-mark{border-color:#cbd5c8;color:#8e9f87;background:#e9efe54d}.demo-banner{color:#758575;border-color:#c8d4c0}
@media(max-width:600px){.welcome h1{font-size:27px}.topbar{padding:0 18px}.topbar-actions{gap:4px}.demo-view-label{font-size:0;gap:0}.demo-view-label select{width:71px;font-size:11px;min-height:34px;padding:5px}.topbar .quiet-button{padding-left:9px;font-size:11px}.hero{padding:38px 0 21px}.hero h1{font-size:32px}.hero p{font-size:12px;line-height:1.9;max-width:215px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.library-heading{margin:22px 0 16px}.library-heading h2{font-size:20px}.library-heading button{padding:9px 12px;font-size:11px}.category-grid{grid-template-columns:1fr;gap:13px}.category-card{min-height:162px;padding:25px 23px 20px 78px}.category-symbol{position:absolute;left:23px;top:34px;font-size:29px}.category-number{right:20px;top:20px;font-size:11px}.category-card h3{font-size:22px;margin-bottom:10px;padding-right:23px}.category-card p{font-size:12px;min-height:0;margin:0 0 18px}.category-card-foot{font-size:10px;padding-top:12px}.collection-top{padding:17px 0 14px}.collection-top .quiet-button{font-size:12px}.collection-top .add-button{font-size:12px;padding:11px 13px}.collection-heading{padding:30px 0 15px}.collection-heading h1{font-size:29px}.collection-heading p{font-size:13px}.collection-heading .eyebrow{font-size:8px;letter-spacing:1.8px}.timeline-legend{font-size:10px;padding:0 4px 14px}.timeline-entry{column-gap:22px;min-height:155px}.timeline-card{gap:8px;min-height:130px;padding:12px 0;}.timeline-entry.left .timeline-card{padding:12px 0}.timeline-card:before{left:-11px;right:15px}.timeline-entry.left .timeline-card:before{left:15px;right:-11px}.timeline-stamp{width:36px;height:36px;font-size:19px;box-shadow:0 0 0 4px var(--paper)}.timeline-title{font-size:15px;line-height:1.6;padding:0 2px}.timeline-author{font-size:9px;margin-bottom:5px;padding:0 2px}.timeline-date{font-size:10px;letter-spacing:0;margin-top:11px;padding:0 2px}.timeline-kind{font-size:9px;margin:6px 2px 0}.timeline-year{margin:18px 0}.timeline-year span{font-size:15px;padding:8px 13px}.archive-tools .tab{font-size:11px}.archive-tools .text-button{font-size:10px;padding:10px 0 10px 8px}.search-row{margin-bottom:15px}.two-sided-timeline{padding-bottom:25px}.reader-top .eyebrow{font-size:9px}.archive-footer{padding-top:40px}}
@media(max-width:360px){.timeline-card{gap:5px}.timeline-stamp{width:30px;height:30px;font-size:17px}.timeline-title{font-size:14px}.timeline-date{font-size:9px}.timeline-kind{font-size:8px}.timeline-entry{column-gap:18px}.timeline-card:before{left:-9px}.timeline-entry.left .timeline-card:before{right:-9px}.welcome h1{font-size:24px}}
/* 参考旧软件时间轴：白底、清晰黑字、蓝黄双侧标识。 */
:root{--paper:#fff;--ink:#1d2329;--muted:#525d68;--accent:#2679b8;--rose:#e9f4fc;--line:#d5dce2}
body{background:#fff;color:var(--ink)}
.welcome{background:#fff}.welcome-inner,.archive-main{color:var(--ink)}
.tiny,.eyebrow,.welcome-footer,.intro,.muted,.hint,.count,.card-bottom,.archive-footer{color:#48545f}
.welcome h1,.hero h1,.collection-heading h1,.library-heading h2{color:#1d2329}
.intro,.hero p,.collection-heading p,.category-card p,.empty p{color:#414b54}
.welcome .tiny,.welcome-footer,.eyebrow{letter-spacing:1.7px}
.envelope{background:#ddecf8}.envelope:before{background:#ebf6ff}.envelope:after{background:#d9ecfa}.paper{background:#fff;border-color:#d1dee8;color:#344a5c}.paper span{color:#475b6b}.seal{background:#218ce0;color:#fff;box-shadow:0 0 0 3px #218ce033}
.auth-card,.category-card,dialog{background:#fff;border-color:#d5dce2}.auth-card .muted,.auth-card .small{color:#505b65}.auth-card label,.sheet-body label{color:#27313a}input,textarea,select{background:#fff;border-color:#aab6c0;color:#1d2329}input::placeholder,textarea::placeholder{color:#67727c}
.primary{background:#257dc2;color:#fff}.primary:hover{background:#1466a8}.outline-button{border-color:#9cabb7;color:#18364b;background:#fff}.outline-button:hover{background:#e9f4fc}.quiet-button,.text-button{color:#234e6b}.tab{color:#34424c}.tab.active{background:#deefff;color:#123b5b;font-weight:700}
.topbar,.archive-tools,.category-card-foot,.collection-top,.timeline-legend{border-color:#d5dce2}.brand,.category-card h3{color:#1d2329}.brand span{color:#4b5964}.topbar .quiet-button{color:#245779}.demo-view-label{color:#263640}.demo-view-label select{border-color:#aebbc5}
.hero-mark{border-color:#9fc4dc;outline-color:#c5def0;background:#e8f5ff;color:#296d9d}.hero .eyebrow,.small-line{color:#285d7c}.small-line{background:#378aca}.hero h1>span,.heading-dot{color:#258bd3}
.category-card{border:1.5px solid #cdd9e0;background:#fff}.category-card:hover{border-color:#3493d3}.category-number,.category-card-foot{color:#48596a}.category-symbol{color:#267bbb}.category-card p{color:#46525c}.category-card-foot span:last-child{color:#146ca7;font-weight:700}
.collection-top{background:#fff}.collection-top .quiet-button{color:#185c88}.collection-heading p{color:#48545f}.archive-tools .text-button{color:#205c85}.search-box{color:#226c9e}.search-box input{color:#20272d}.timeline-legend{color:#3c454e;font-weight:700}.timeline-legend span:last-child{color:#286695}.year-label,.timeline-year{color:#304351}
.two-sided-timeline:before{background:#c9d2d9;width:2px}.timeline-year span{background:#fff;border-color:#bdc9d1;color:#283d4c;font-weight:700}.timeline-entry:before,.timeline-entry.left:before{border-color:#fff;width:11px;height:11px}.timeline-entry:before{background:#51aaf0}.timeline-entry.left:before{background:#edc744}.timeline-card:before{background:#73b8e9;height:2px}.timeline-entry.left .timeline-card:before{background:#e8c546}.timeline-author,.timeline-title,.timeline-date,.timeline-kind{background:#fff}.timeline-author{color:#344654;font-weight:700}.timeline-title{color:#111920;font-weight:700}.timeline-date{color:#25323d;font-weight:600}.timeline-kind{color:#43525e}
.timeline-stamp{background:#79c3f6;border-color:#79c3f6;color:#fff;box-shadow:0 0 0 6px #fff}.timeline-card.author-2 .timeline-stamp{background:#ffdd61;border-color:#ffdd61;color:#473b08;box-shadow:0 0 0 6px #fff}.timeline-card:hover .timeline-title{color:#126dab}.timeline-card:hover .timeline-stamp{box-shadow:0 0 0 6px #fff,0 0 0 8px #8cc8ec}
.empty h2,.reader h1,.sheet-head h2{color:#1c252c}.empty-symbol{color:#2681c6}.sheet-head,.sheet-foot,.reader-meta,.reader-actions{border-color:#d1dbe2}.sheet-foot{background:#fff}.reader-meta{color:#414c55}.letter-body{color:#222a2f}.upload-box{border-color:#829dad;color:#1d6da2}.user-summary{background:#e5f3fd;color:#1c4e70}.settings-sheet .muted{color:#44515d}.demo-banner{color:#295371;border-color:#8cbad8;background:#f0f8ff}
@media(max-width:600px){.timeline-title{font-size:15px}.timeline-author{font-size:10px}.timeline-date{font-size:11px}.timeline-kind{font-size:9px}.timeline-stamp{width:42px;height:42px;font-size:22px}.timeline-entry{min-height:164px}.category-card{border-width:1.5px}}
@media(max-width:360px){.timeline-title{font-size:14px}.timeline-date{font-size:9px}.timeline-stamp{width:34px;height:34px;font-size:19px}}

/* 阅读时固定关闭入口，列表可切换日期方向。 */
.sort-row{display:flex;align-items:center;justify-content:flex-start;margin:18px 0 2px}.sort-box{display:inline-flex;align-items:center;gap:10px;font-size:12px;color:#344654}.sort-box select{width:auto;min-width:116px;min-height:38px;margin:0;padding:6px 34px 6px 12px;background:#fff;color:#1d2329;border:1px solid #aab6c0;border-radius:7px;cursor:pointer}.reader{scrollbar-gutter:stable}.reader-top{position:sticky;top:-20px;z-index:5;background:#fff;border-bottom:1px solid #d1dbe2;margin-bottom:25px;padding:14px 0 10px}.reader-top .close-button{color:#1d2329;flex-shrink:0}.reader-top .close-button:hover{background:#e9f4fc;border-radius:50%}@media(max-width:600px){.sort-row{margin:14px 0 0}.reader-top{top:-16px;margin-bottom:20px;padding:12px 0 8px}}
/* 日常拾页：像留言板一样直接阅读近况与层层回音。 */
.message-board{max-width:820px;margin:0 auto 30px}.board-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin:18px 0 27px}.board-intro h2{font-family:var(--serif);font-size:25px;font-weight:400;margin:13px 0 8px;color:#18232b}.board-intro p{font-size:13px;color:#4a5965;line-height:1.8;margin:0}.board-count{white-space:nowrap;font-size:12px;color:#345875;padding-bottom:8px}.post-form{background:#f4f9fd;border:1px solid #b5d5e9;border-radius:10px;padding:22px 24px;margin:0 0 33px}.post-form-author{display:flex;align-items:center;gap:10px;color:#1c3d56;font-size:14px;font-weight:700;margin-bottom:14px}.board-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none;background:#78c2f4;color:#102d40;font-size:15px;font-weight:700}.board-avatar.april{background:#ffdc62;color:#473607}.board-form-note{color:#536779;font-weight:400;font-size:11px;margin-left:auto}.post-form textarea{background:#fff;min-height:110px;line-height:1.8;margin:0;resize:vertical;border-color:#aebfca}.post-form-foot{display:flex;align-items:center;justify-content:space-between;margin-top:13px;gap:10px}.post-form-foot .form-error{margin:0}.board-list-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d5dce2;margin-bottom:20px;padding-bottom:10px}.board-list-head h3{font-family:var(--serif);font-size:20px;font-weight:400;margin:0;color:#22313b}.board-list-head .quiet-button{padding-right:0;color:#246697;font-size:12px}.board-list{display:flex;flex-direction:column;gap:15px}.board-post{background:#fff;border:1px solid #d4e0e7;border-radius:10px;padding:21px 22px 18px;box-shadow:0 3px 10px #17486a08;overflow-wrap:anywhere}.board-post.depth-1,.board-post.depth-3{border-left:3px solid #5fafe4}.board-post.depth-2,.board-post.depth-4{border-left:3px solid #e4bc3e}.post-main{display:flex;gap:13px;align-items:flex-start}.post-content{min-width:0;flex:1}.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px}.post-meta strong{color:#192d3c}.post-meta time{font-size:11px;color:#405767;font-variant-numeric:tabular-nums}.post-body{white-space:pre-wrap;line-height:1.9;font-size:14px;color:#1d2830;margin:13px 0 14px}.post-body.deleted{font-style:italic;color:#596570}.post-actions{display:flex;gap:16px}.post-actions button{border:0;background:none;color:#246da2;padding:4px 0;font-size:12px;min-height:30px}.post-actions button:hover{text-decoration:underline;text-underline-offset:3px}.board-children{border-left:2px solid #bed6e5;margin:18px 0 0 16px;padding-left:20px;display:flex;flex-direction:column;gap:12px}.depth-4 .board-children{margin-left:5px;padding-left:9px}.board-children .board-post{box-shadow:none;background:#fbfdff}.reply-form{margin-top:15px;background:#f3f8fc;padding:13px;border-radius:8px;border:1px solid #ccdfeb}.reply-form label{font-size:12px;color:#284b65}.reply-form textarea{min-height:85px;margin-top:8px;line-height:1.7}.reply-form-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:9px}.reply-form-actions button{font-size:12px;min-height:38px;padding:8px 13px}.reply-form .form-error{margin:6px 0 0}.board-empty{text-align:center;border:1px dashed #b8cbd8;border-radius:9px;padding:39px 16px;color:#536879;font-size:13px}.legacy-daily{border-top:1px solid #d5dce2;color:#4b5f6d;padding:24px 0 12px;margin-top:25px;font-size:12px}.message-board+.legacy-daily{margin-top:0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:600px){.board-intro{margin:8px 0 20px}.board-intro h2{font-size:22px}.board-intro p{font-size:12px}.board-count{font-size:11px}.post-form{padding:17px 15px;margin-bottom:25px}.board-form-note{font-size:10px;max-width:125px;text-align:right}.post-form textarea,.reply-form textarea{font-size:16px}.board-post{padding:16px 14px 13px}.post-main{gap:9px}.board-avatar{width:30px;height:30px;font-size:13px}.post-meta{display:block}.post-meta strong{display:block;font-size:13px}.post-meta time{display:block;font-size:11px;margin-top:4px}.post-body{font-size:14px;margin:10px 0 12px}.board-children{margin:13px 0 0 8px;padding-left:12px}.depth-4 .board-children{margin-left:2px;padding-left:6px}.reply-form{padding:10px}}

/* 留言附件：手机上直接查看图片与播放视频。 */
.post-media-picker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:11px;color:#536779;font-size:11px}
.post-file-button{display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border:1px solid #7da9c5;border-radius:7px;background:#fff;color:#205e87;padding:9px 13px;min-height:40px;font-size:12px;cursor:pointer}
.post-file-button input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.post-media-preview{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.post-media-preview:empty{display:none}
.picked-file{border:1px solid #c2d8e6;background:#fff;border-radius:6px;color:#28465a;padding:6px 9px;font-size:11px;max-width:100%;overflow-wrap:anywhere}
.picked-file button{border:0;background:none;color:#9b433c;font-size:17px;margin-left:5px}
.post-media{display:flex;flex-wrap:wrap;gap:9px;margin:9px 0 14px}
.post-media:empty{display:none}
.post-media-link{display:inline-flex;align-items:center;min-height:42px;padding:8px 13px;border:1px solid #a9c8dc;border-radius:8px;color:#176da6;background:#f2f9fd;text-decoration:none;font-size:14px;font-weight:600}
.post-media-link:hover,.post-media-link:focus-visible{background:#e4f3fb;border-color:#2384c0}
.post-image,.post-video{display:block;max-width:100%;border-radius:7px;overflow:hidden;background:#e6edf3}
.post-image img{display:block;width:100%;max-height:360px;object-fit:contain}
.post-video{width:100%;max-height:380px}
.reply-form .post-media-picker{margin-top:8px}
@media(max-width:600px){.post-media{grid-template-columns:1fr}.post-image img{max-height:420px}.post-media-picker{align-items:flex-start}}

.post-video-wrap{min-width:0}.post-video-wrap a{display:inline-block;color:#246da2;font-size:11px;margin-top:5px;text-decoration:none}.post-video-wrap a:hover{text-decoration:underline}

/* 阅读字号：让手机上的目录、时间轴和留言无需放大就能读。 */
body{font-size:16px}
label,.auth-card label,.sheet-body label{font-size:15px}
.primary,.outline-button,.quiet-button,.danger-button{font-size:15px}
.intro{font-size:17px}.auth-card .muted,.auth-card .small,.hint,.privacy-note{font-size:14px}
.hero p,.collection-heading p,.category-card p{font-size:15px}
.library-heading button,.collection-top .quiet-button,.collection-top .add-button{font-size:14px}
.category-card-foot{font-size:13px}
.timeline-legend,.timeline-author{font-size:13px}
.timeline-date{font-size:14px}.timeline-kind{font-size:12px}
.archive-tools .tab,.archive-tools .text-button,.sort-box,.sort-box select,.count{font-size:14px}
.search-box input{font-size:15px}
.reader-meta{font-size:14px}.letter-body{font-size:20px;line-height:2.05}
.board-intro p,.post-form-author,.post-meta,.post-body,.board-empty{font-size:16px}
.post-meta time,.board-count,.board-form-note,.post-actions button,.post-file-button,.post-media-picker,.picked-file{font-size:13px}
.reply-form label,.reply-form-actions button,.board-list-head .quiet-button{font-size:14px}
.post-video-wrap a{font-size:13px}
@media(max-width:600px){
 .welcome .tiny,.eyebrow,.hero .eyebrow,.collection-heading .eyebrow{font-size:11px}
 .hero p{font-size:14px;max-width:235px}
 .library-heading h2{font-size:22px}.library-heading button{font-size:13px}
 .category-card{min-height:178px}.category-card h3{font-size:24px}.category-card p{font-size:15px}.category-card-foot,.category-number{font-size:13px}
 .collection-heading p{font-size:15px}.collection-top .quiet-button,.collection-top .add-button{font-size:14px}
 .timeline-legend{font-size:12px}.timeline-entry{min-height:180px}.timeline-card{min-height:154px}
 .timeline-title{font-size:17px}.timeline-author{font-size:12px}.timeline-date{font-size:13px}.timeline-kind{font-size:11px}
 .timeline-year span{font-size:17px}.archive-tools .tab,.archive-tools .text-button{font-size:13px}
 .sort-box,.sort-box select,.count{font-size:13px}.reader-meta{font-size:14px}.letter-body{font-size:20px}
 .board-intro p,.post-body{font-size:16px}.board-count,.post-meta time,.board-form-note{font-size:13px}
 .post-meta strong{font-size:15px}.post-actions button{font-size:14px}.board-list-head .quiet-button{font-size:14px}
 .reply-form label,.reply-form-actions button,.post-file-button,.post-media-picker{font-size:13px}
}
@media(max-width:360px){
 .timeline-entry{column-gap:18px;min-height:180px}.timeline-stamp{width:34px;height:34px;font-size:19px}
 .timeline-title{font-size:15px}.timeline-date{font-size:12px}.timeline-kind{font-size:10px}
}
/* 简洁版：让信和留言成为视觉中心。 */
:root{--ink:#172534;--muted:#4a5b68;--line:#dce4ea}
body{background:#fff}
.welcome{padding:32px 22px}
.welcome-inner{max-width:360px}
.welcome h1{font-size:42px;letter-spacing:5px;margin:0 0 12px;color:#173b56}
.intro{font-family:var(--sans);font-size:16px;letter-spacing:0;line-height:1.7;margin:0 0 30px;color:#52616d}
.auth-card{padding:24px;border-radius:12px;background:#fff;box-shadow:0 8px 30px #173b5609}
.welcome-footer{margin-top:28px;font-size:13px;letter-spacing:.5px}
.topbar{height:68px}
.brand{font-size:23px;color:#163e5d}
.archive-main{max-width:960px}
.hero{padding:54px 0 20px}
.hero h1{font-size:36px;line-height:1.35;letter-spacing:1px;margin:0 0 9px}
.hero p{font-size:15px;letter-spacing:0;margin:0}
.library-heading{margin:29px 0 16px}
.library-heading h2{font-family:var(--sans);font-size:16px;font-weight:700;letter-spacing:0}
.category-grid{gap:14px}
.category-card{min-height:160px;padding:23px;border:1px solid var(--line);border-radius:10px;box-shadow:none}
.category-number,.category-symbol{display:none}
.category-card h3{font-size:24px;letter-spacing:0;margin:0 0 8px}
.category-card p{min-height:0;margin:0 0 19px;font-size:14px;line-height:1.65}
.category-card-foot{font-size:13px;padding-top:12px}
.category-card-foot span:last-child{font-size:13px}
.collection-heading{text-align:left;padding:28px 0 20px}
.collection-heading h1{font-size:31px;letter-spacing:1px;margin:0 0 6px}
.collection-heading p{font-family:var(--sans);font-size:14px;line-height:1.6;margin:0}
.archive-tools{padding-bottom:8px}
.tab{padding:10px 14px}
.sort-row{margin:13px 0 0}
.search-row{margin:12px 0 19px}
.timeline-legend{margin-bottom:10px}
.timeline-entry{min-height:138px}
.timeline-card{min-height:124px}
.timeline-stamp{width:48px;height:48px;font-size:23px}
.timeline-title{font-weight:600}
.timeline-kind{display:none}
.timeline-year{margin:14px 0 18px}
.timeline-year span{border:0;padding:5px 13px}
.post-form{background:#fff;border:1px solid var(--line);box-shadow:none;padding:19px;margin-bottom:25px}
.post-form-author{margin-bottom:11px}
.post-form textarea{min-height:96px}
.post-media-picker{margin-top:9px}
.post-form-foot{margin-top:9px}
.board-list-head{margin-bottom:14px}
.board-list-head h3{font-family:var(--sans);font-size:16px;font-weight:700;display:flex;align-items:baseline;gap:10px}
.board-count{font-family:var(--sans);font-size:13px;font-weight:400;color:#657585}
.board-post{border-color:var(--line);box-shadow:none}
.board-children .board-post{background:#fff}
.post-body{margin:10px 0 11px}
.archive-footer{padding:42px 0 25px;letter-spacing:.5px;font-size:12px}
.reader-label{font-size:14px;color:#465969}
.sheet-head h2{margin:0}
@media(max-width:600px){
 .topbar{height:60px}
 .archive-main{padding:0 18px}
 .hero{padding:34px 0 12px}
 .hero h1{font-size:29px;margin-bottom:6px}
 .hero p{font-size:14px;max-width:none}
 .library-heading{margin:24px 0 12px}
 .library-heading h2{font-size:16px}
 .category-grid{gap:10px}
 .category-card{padding:17px 18px;min-height:0}
 .category-card h3{font-size:22px;margin:0 0 5px;padding:0}
 .category-card p{font-size:14px;margin:0 0 13px}
 .category-card-foot{padding-top:10px;font-size:12px}
 .collection-heading{padding:24px 0 17px}
 .collection-heading h1{font-size:27px}
 .collection-heading p{font-size:14px}
 .timeline-entry{min-height:150px}
 .timeline-card{min-height:132px}
 .timeline-stamp{width:38px;height:38px;font-size:20px}
 .timeline-kind{display:none}
 .post-form{padding:15px;margin-bottom:22px}
 .post-form textarea{min-height:88px}
 .board-post{padding:15px}
 .board-list-head h3{font-size:16px}
 .welcome h1{font-size:37px}
}
@media(max-width:360px){
 .archive-main{padding:0 16px}
 .hero h1{font-size:27px}
 .timeline-stamp{width:32px;height:32px;font-size:18px}
}
/* 时间轴：完整展示信名，并使用清晰的线条信封。 */
.timeline-entry{grid-template-columns:minmax(0,1fr) minmax(0,1fr);height:auto}
.timeline-card{min-width:0;height:auto}
.timeline-title{display:block;-webkit-line-clamp:unset;-webkit-box-orient:initial;overflow:visible;overflow-wrap:anywhere;word-break:normal}
.timeline-text{overflow:visible}
.timeline-stamp{width:46px;height:46px;border:0;box-shadow:0 0 0 5px #fff}
.timeline-stamp svg{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.timeline-card.author-2 .timeline-stamp{box-shadow:0 0 0 5px #fff}
@media(max-width:600px){
 .timeline-entry{min-height:146px;column-gap:14px}
 .timeline-card,.timeline-entry.left .timeline-card{min-height:120px;gap:5px}
 .timeline-card:before{left:-7px;right:10px}
 .timeline-entry.left .timeline-card:before{left:10px;right:-7px}
 .timeline-stamp{width:32px;height:32px;box-shadow:0 0 0 4px #fff}
 .timeline-card.author-2 .timeline-stamp{box-shadow:0 0 0 4px #fff}
 .timeline-stamp svg{width:19px;height:19px}
 .timeline-title{font-size:16px;line-height:1.55}
 .timeline-date{font-size:12px;line-height:1.4}
}
@media(max-width:360px){
 .timeline-entry{column-gap:12px}
 .timeline-stamp{width:29px;height:29px}
 .timeline-stamp svg{width:17px;height:17px}
 .timeline-title{font-size:15px}
}
.audit-list{display:grid;gap:10px;margin-top:14px}.audit-item{padding:13px 14px;border:1px solid var(--line);border-radius:9px;background:#fbfdff;font-size:12px}.audit-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.audit-head strong{font-size:13px;overflow-wrap:anywhere}.audit-result{color:#2f704c}.audit-result.failed{color:#a14e3d}.audit-item time{display:block;color:var(--muted);margin-top:8px;font-variant-numeric:tabular-nums}.audit-item p{margin:7px 0 0;color:#3d4d58}.audit-item .audit-ip{overflow-wrap:anywhere}.audit-item details{margin-top:8px;color:#52636e}.audit-item summary{cursor:pointer}.audit-item small{display:block;margin-top:6px;overflow-wrap:anywhere;line-height:1.6;color:#687580}
.category-card{position:relative}
.category-unread{position:absolute;top:16px;right:17px;color:#bd3034;font-size:13px;font-weight:700}
.category-card:has(.category-unread) h3{padding-right:75px}
.board-pages{display:flex;align-items:center;justify-content:center;gap:15px;margin:25px 0;font-size:14px;color:#425666}
.board-pages[hidden]{display:none}
.board-pages button{border:1px solid #b8cbd8;background:#fff;border-radius:7px;color:#205e87;padding:9px 14px;font:inherit;cursor:pointer}
.board-pages button:disabled{opacity:.45;cursor:default}
.post-body,.post-form textarea,.reply-form textarea{font-family:var(--sans),"Segoe UI Emoji","Apple Color Emoji","Noto Color Emoji",sans-serif}
.login-options{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:17px 0 8px}
.auth-card .login-options label{display:inline-flex;align-items:center;gap:7px;margin:0;color:#40515e;font-size:14px;white-space:nowrap;cursor:pointer}
.auth-card .login-options input[type=checkbox]{width:17px;height:17px;min-height:0;margin:0;padding:0;accent-color:#257dc2;cursor:pointer}
.post-unread-dot{display:inline-block;width:9px;height:9px;margin-left:8px;border-radius:50%;background:#d22f36;vertical-align:middle;box-shadow:0 0 0 2px #d22f361b}