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laoyang 835c8c05da 软件图标支持上传图片:存 OSS/本机,media.php 代理读取
用户要求图标可以自己上传一张真实图片,而不是只能填一个字符。

设计:字符和图片并存,图片优先
- software 加 icon_key(图片对象键),icon(字符)保留作兜底
- 有图片用图片,删掉图片自动退回字符,任何时刻都不会没有图标
- 前端 badge 与邮件头部同一套判断,页面和邮件永远一致

存储与读取
- 图标走独立键空间 icons/YYYY/MM/<16hex>.<ext>
  不复用附件那套:附件必须挂在 thread 下才给读,图标不属于任何帖子
- 写:仅管理员(后台动作链)+ finfo 真实类型校验 + 尺寸下限 + 2MB 上限
- 读:media.php 对 icons/ 只校验键形状与文件存在(图标本就公开),
  写入侧仍然严格,不会让本站变成能读整个桶的开放代理
- 优先用 media.php?k= 代理;OSS 下顺便借图片处理缩放,省下行

顺手修掉两个真实安全问题
1. fb_icon_key_ok 原来用 [a-z0-9]{2,5} 匹配扩展名,.php 正好能过
   (3 个字母)—— 测试反向验证时发现,已改为图片扩展名白名单
2. fb_upload_key_ok 有同样的问题,附件键也能构造出 .php
   虽然真上传还有 finfo 兜底,但键本身就不该长这样,一并收紧
3. fb_icon_delete 原来用 @ 吞掉错误,删除失败仍返回「已保存」,
   用户会以为旧图清了、实际留了个可访问的孤儿图。改为返回 bool 并如实提示

验证:键校验 7 类非法输入全拒;图标写入 OSS 成功、media.php 读回 200 image/png、
PNG 魔数正确、缩放生效;越权读取(穿越/.php/未入库附件/不存在)全部按预期拒绝;
表单 enctype/文件框/accept/预览渲染齐全;仿真 PHP 伪图与 SVG 均被拒;
16x16 小图被拒。
2026-11-03 08:13:21 +08:00

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/* FeedLite · 轻反馈 —— 简洁、克制的基础视觉基调 */
:root{
--fg:#1f2329; --muted:#6b7280; --line:#e5e7eb; --line-strong:#d7dbe0;
--bg:#f5f6f8; --card:#ffffff; --brand:#0057B8; --brand-600:#004a9e; --brand-soft:#e8f0f9;
/* 顶栏品牌图标:与官网首页同一枚应用图标(内联,离线预览也能显示) */
--icon-mark:url("data:image/png;base64,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");
--ok:#0f9d58; --ok-soft:#e9f7ef; --warn:#b7791f; --warn-soft:#fff8e6;
--danger:#d93025; --danger-soft:#fdecea; --shadow:0 1px 3px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
margin:0; background:var(--bg); color:var(--fg);
font-family:-apple-system,BlinkMacSystemFont,"HarmonyOS Sans SC","HarmonyOS Sans","PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
font-size:15.5px; line-height:1.75; letter-spacing:.01em;
}
.wrap{max-width:880px; margin:0 auto; padding:0 16px}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:23px; margin:0 0 8px; font-weight:700}
h2{font-size:17px; margin:0 0 12px; font-weight:700}
p{margin:8px 0}
.muted{color:var(--muted)}
.small{font-size:13px}
.dot{color:var(--line-strong); padding:0 2px}
/* ---------- 顶栏(与官网首页同一套导航样式) / 页脚 ---------- */
.topbar{
position:sticky; top:0; z-index:20;
background:rgba(255,255,255,.82);
backdrop-filter:saturate(180%) blur(14px);
-webkit-backdrop-filter:saturate(180%) blur(14px);
border-bottom:1px solid var(--line);
}
.topbar .wrap{display:flex; align-items:center; gap:14px; height:64px}
.topbar .brand-mini{display:flex; align-items:center; gap:10px; font-weight:700; font-size:17px; color:var(--fg); min-width:0}
.topbar .brand-mini:hover{text-decoration:none; color:var(--fg)}
.topbar .brand-text{overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.topbar .logo-mark{
width:30px; height:30px; flex:none; display:block; border-radius:8px;
background-image:var(--icon-mark); background-size:cover; background-position:center;
box-shadow:var(--shadow);
}
.topbar .spacer{flex:1}
.topbar .navlink{color:var(--muted); font-size:14.5px; padding:8px 10px; border-radius:8px; white-space:nowrap}
.topbar .navlink:hover{color:var(--brand); background:var(--brand-soft); text-decoration:none}
.topbar .btn-mini{
flex:none; font-size:14.5px; font-weight:600; color:#fff; background:var(--brand);
padding:9px 18px; border-radius:999px; white-space:nowrap;
box-shadow:0 4px 14px -4px rgba(0,87,184,.55);
}
.topbar .btn-mini:hover{background:var(--brand-600); color:#fff; text-decoration:none}
.hide-sm{display:inline-block}
@media (max-width:640px){
.hide-sm{display:none}
.topbar .wrap{gap:10px}
.topbar .brand-mini{font-size:15.5px; gap:9px}
.topbar .logo-mark{width:28px; height:28px}
}
main.wrap{padding-top:24px; padding-bottom:40px; min-height:60vh}
.foot{border-top:1px solid var(--line); background:var(--card); padding:22px 0 34px; margin-top:40px}
.foot p{margin:4px 0; text-align:center; font-size:13px; color:var(--muted)}
.foot a{color:var(--muted); text-decoration:underline}
/* 版权句 + 管理后台入口:同一行居中,窄屏自动换行 */
.foot-line{display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:0 6px}
.foot-line .dot{padding:0}
/* ---------- 按钮 ---------- */
.btn{
display:inline-block; border:1px solid var(--line-strong); background:var(--card);
color:var(--fg); border-radius:9px; padding:8px 16px; font-size:14.5px;
cursor:pointer; line-height:1.4; font-family:inherit;
}
.btn:hover{border-color:var(--brand); color:var(--brand); text-decoration:none}
.btn.primary{background:var(--brand); border-color:var(--brand); color:#fff; font-weight:600}
.btn.primary:hover{background:var(--brand-600); color:#fff}
/* ---------- 页头 ---------- */
.page-head{display:flex; align-items:flex-start; gap:16px; margin:6px 0 18px}
.page-head .btn{margin-left:auto; flex:none; margin-top:4px}
.page-head h1{margin-bottom:4px}
.page-head .muted{font-size:14px; margin:0}
/* ---------- 后台处理按钮栏 ---------- */
.act-bar{
margin:0 0 18px; padding:14px 16px;
background:var(--card); border:1px solid var(--line); border-radius:12px;
}
.act-bar-title{
font-size:12.5px; font-weight:700; letter-spacing:.5px;
color:var(--muted); text-transform:uppercase; margin-bottom:10px;
}
.act-bar-body{display:flex; flex-wrap:wrap; gap:8px; align-items:center}
.act-inline{display:inline}
.act-btn{white-space:nowrap}
.act-btn.is-cur{
opacity:.55; cursor:default;
box-shadow:none;
}
.act-btn.ok{border-color:#b7dfc2; color:#1e7b3c}
.act-btn.ok:hover:not(:disabled){background:#f0f9f2}
.act-btn.warn{border-color:#f0dfae; color:#8a6a15}
.act-btn.warn:hover:not(:disabled){background:#fff9ec}
.act-state.on{
display:inline-block; padding:6px 12px; border-radius:99px;
font-size:12.5px; font-weight:600;
background:#f0f9f2; color:#1e7b3c; border:1px solid #b7dfc2;
}
.act-hint{
margin-left:auto; font-size:12.5px; color:var(--muted);
}
@media (max-width:560px){
.act-hint{margin-left:0; flex-basis:100%}
}
.act-note{
margin-top:14px; padding-top:14px; border-top:1px dashed var(--line);
}
/* ---------- 软件标识:图标 + 名字(多软件区分的主视觉) ----------
* 邮件模板里也有一套等价的 table 写法,两边的观感要对得上:
* 圆角色块 + 居中字符 + 紧跟软件名。 */
.sw-badge{display:inline-flex; align-items:center; gap:7px; min-width:0; vertical-align:middle}
.sw-badge-ic{
display:inline-flex; align-items:center; justify-content:center;
border-radius:7px; color:#fff; font-weight:600; flex:none;
line-height:1; letter-spacing:0; box-shadow:0 1px 2px rgba(15,25,45,.18);
}
.sw-badge-nm{
font-weight:600; font-size:14px; color:var(--fg);
overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.sw-badge-sm .sw-badge-nm{font-size:13px}
.sw-badge-lg .sw-badge-nm{font-size:17px}
/* 页头大标题位置放软件标识:清掉 h1 的行高影响,让图标与文字垂直居中 */
.page-h1-sw{margin:0; font-size:0; line-height:0}
.page-h1-sw .sw-badge-nm{font-size:22px; font-weight:700; color:var(--fg)}
/* 提交页顶部的软件上下文条 */
.sw-context{
display:flex; align-items:center; gap:10px; flex-wrap:wrap;
margin:0 0 16px; padding:11px 14px; border-radius:11px;
background:var(--brand-soft); border:1px solid var(--line);
}
.sw-context .sw-badge-nm{color:var(--fg)}
/* 后台软件编辑:图标快选 */
.icon-presets{display:flex; gap:4px; flex-wrap:wrap; margin-top:8px}
.icon-preset{
width:34px; height:34px; border:1px solid var(--line-strong); border-radius:9px;
background:var(--card); cursor:pointer; font-size:17px; line-height:1; padding:0;
display:inline-flex; align-items:center; justify-content:center;
}
.icon-preset:hover{border-color:var(--brand); background:var(--brand-soft)}
/* ---------- 软件图标(上传图片) ---------- */
/* 图标图片:外框与字符版完全一致,换图不会让布局跳动 */
.sw-badge-img{
display:inline-block; border-radius:7px; object-fit:cover; flex:none;
box-shadow:0 1px 2px rgba(15,25,45,.18); background:var(--card);
}
.chip.on .sw-badge-img{box-shadow:0 0 0 1px rgba(255,255,255,.5)}
/* 后台图标上传行 */
.icon-up{display:flex; align-items:flex-start; gap:14px; flex-wrap:wrap; margin-top:6px}
.icon-prev{
width:56px; height:56px; flex:none; border-radius:12px; overflow:hidden;
border:1px solid var(--line); background:var(--card);
display:flex; align-items:center; justify-content:center;
}
.icon-prev img{width:100%; height:100%; object-fit:cover; display:block}
.icon-prev-ph{
width:100%; height:100%; display:flex; align-items:center; justify-content:center;
color:#fff; font-size:24px; font-weight:600;
}
.icon-up-main{flex:1; min-width:220px; display:flex; flex-direction:column}
.icon-up-main input[type=file]{font-size:13.5px; max-width:100%}
/* 选中态的 chip 里,图标底衬白、字符取软件色,避免同色糊在一起 */
.chip.on .sw-badge-ic{background:#fff !important; color:var(--brand) !important; box-shadow:none}
.chip.on .sw-badge-nm{color:#fff}
.chip .sw-badge-ic{box-shadow:none}
/* ---------- 主题色选择器 ---------- */
.sw-dot{
display:inline-block; width:10px; height:10px; border-radius:50%;
flex:none; margin-right:2px; vertical-align:middle;
box-shadow:0 0 0 1px rgba(0,0,0,.12);
}
.color-row{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.color-input{
width:46px; height:34px; padding:2px; border:1px solid var(--line-strong);
border-radius:9px; background:var(--card); cursor:pointer; flex:none;
}
.color-presets{display:flex; gap:6px; flex-wrap:wrap}
.color-preset{
width:26px; height:26px; border-radius:50%; border:2px solid transparent;
cursor:pointer; padding:0; flex:none; transition:transform .12s;
}
.color-preset:hover{transform:scale(1.12)}
.color-preset.on{border-color:var(--fg); box-shadow:0 0 0 2px var(--card) inset}
/* ---------- 邮件测试 ---------- */
.mail-test{
display:flex; flex-wrap:wrap; align-items:center; gap:10px;
padding:12px 14px; margin:6px 0 16px;
background:var(--card); border:1px dashed var(--line); border-radius:11px;
}
.mail-test input[type=email]{
flex:1 1 220px; min-width:180px;
border:1px solid var(--line-strong); border-radius:9px; padding:8px 10px;
font-size:14px; background:var(--card); color:var(--fg); font-family:inherit;
}
.mail-test-out{flex:1 1 100%; font-size:13px; line-height:1.6}
.mail-test-out.ok{color:var(--ok)}
.mail-test-out.err{color:#c9302c}
/* RAM 角色探测结果 */
.role-ok{
padding:8px 11px; border-radius:9px; font-size:13.5px;
background:var(--ok-soft, #eef8f0); border:1px solid #cfe8d5;
}
.role-warn{
padding:8px 11px; border-radius:9px; font-size:13.5px;
background:#fff8e6; border:1px solid #f0e0b0; color:#8a6d1f;
}
/* ---------- 表单就地校验的错误提示 ---------- */
.field.has-error > input,
.field.has-error > textarea,
.field.has-error > select,
.field.has-error .chips{
border-color:#d9534f !important;
box-shadow:0 0 0 3px rgba(217,83,79,.12) !important;
}
.field-error{
display:block; margin-top:6px; font-style:normal;
font-size:12.5px; color:#c9302c; line-height:1.5;
}
.field-error::before{content:"⚠ "; font-style:normal}
/* ---------- 后台:软件 / 分类 / 状态 ---------- */
.card-list{display:flex; flex-direction:column; gap:8px; margin-bottom:16px}
.tax-row{
display:flex; align-items:flex-start; gap:12px; flex-wrap:wrap;
padding:12px 14px; background:var(--card); border:1px solid var(--line);
border-radius:11px;
}
.tax-row.on{border-color:var(--brand); box-shadow:0 0 0 1px var(--brand) inset}
.tax-row.off{opacity:.62}
.tax-main{flex:1 1 320px; min-width:0}
.tax-name{font-weight:600; font-size:15.5px; text-decoration:none; color:var(--fg)}
.tax-name:hover{color:var(--brand)}
.tax-name.plain{font-weight:600}
.tax-slug{
display:inline-block; margin-left:8px; font-size:12px; color:var(--muted);
font-family:ui-monospace,Consolas,monospace;
}
.tax-meta{margin-left:10px; font-size:12.5px; color:var(--muted)}
.tax-note{margin-top:5px; font-size:13px; color:var(--muted); line-height:1.5}
.tax-acts{display:flex; flex-wrap:wrap; gap:6px; align-items:center}
.inline-form{display:inline}
.btn.sm{padding:5px 11px; font-size:13px; border-radius:8px}
.btn.danger{border-color:#e0b4b4; color:#b4242c}
.btn.danger:hover{background:#fdf2f2; border-color:#b4242c}
.tax-form-box{
margin:18px 0 8px; border:1px solid var(--line); border-radius:11px;
background:var(--card); overflow:hidden;
}
.tax-form-box>summary{
cursor:pointer; padding:12px 14px; font-weight:600; font-size:14.5px;
background:var(--bg-soft, #f7f8fa); user-select:none;
}
.tax-form-box>summary:hover{color:var(--brand)}
.tax-form-box[open]>summary{border-bottom:1px solid var(--line)}
.sm-form{padding:14px; margin:0}
.sm-form .field{margin-bottom:10px}
/* ---------- 软件切换(一级) ---------- */
.software-bar{
display:flex; flex-wrap:wrap; align-items:center; gap:8px;
margin-bottom:14px; padding-bottom:14px; border-bottom:1px solid var(--line);
}
.software-bar .sw-label{font-size:13.5px; color:var(--muted); font-weight:600}
.software-bar .chips{margin-bottom:0}
/* ---------- 筛选(二级:分类 / 状态) ---------- */
.filters{margin-bottom:16px}
.chips{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px}
.chip{
padding:5px 13px; border-radius:999px; background:var(--card);
border:1px solid var(--line); font-size:13.5px; color:var(--fg);
}
.chip:hover{border-color:var(--brand); color:var(--brand); text-decoration:none}
.chip.on{background:var(--brand); border-color:var(--brand); color:#fff; font-weight:600}
.filter-row{display:flex; flex-wrap:wrap; gap:8px}
.filter-row select,.filter-row input[type=search]{
border:1px solid var(--line-strong); border-radius:9px; padding:8px 10px;
font-size:14px; background:var(--card); color:var(--fg); font-family:inherit;
}
.filter-row input[type=search]{flex:1; min-width:160px}
/* ---------- 列表 ---------- */
.list{display:flex; flex-direction:column; gap:12px}
.item{
display:block; background:var(--card); border:1px solid var(--line);
border-radius:13px; padding:15px 17px; box-shadow:var(--shadow); color:inherit;
}
.item:hover{border-color:var(--brand); text-decoration:none; box-shadow:0 3px 12px rgba(0,87,184,.10)}
.item-top{display:flex; align-items:center; flex-wrap:wrap; gap:8px}
.item-title{font-weight:600; font-size:16px; flex:1; min-width:160px}
.item-ex{color:var(--muted); font-size:14px; margin:8px 0 8px; word-break:break-word}
.item-meta{display:flex; flex-wrap:wrap; align-items:center; gap:6px; font-size:13px; color:var(--muted)}
.item-meta .who{color:#3a424d; font-weight:600}
/* 问题编号:便于按 id 逐条跟进与引用 */
.item-id{
flex:none; font-size:12.5px; font-weight:600; color:var(--muted);
font-variant-numeric:tabular-nums; letter-spacing:.02em;
border:1px solid var(--line); border-radius:6px; padding:0 7px; line-height:1.9;
}
/* ---------- 徽标 ---------- */
.badge{
display:inline-block; font-size:12px; line-height:1.6; padding:1px 9px;
border-radius:999px; background:var(--brand-soft); color:var(--brand);
font-weight:600; white-space:nowrap;
}
.badge.st{background:#f1f3f5; color:#5b636e}
.badge.st-open{background:var(--warn-soft); color:var(--warn)}
.badge.st-doing{background:var(--brand-soft); color:var(--brand)}
.badge.st-resolved{background:var(--ok-soft); color:var(--ok)}
.badge.st-closed{background:#f1f3f5; color:#8a929c}
.badge.official{background:var(--brand); color:#fff}
/* 软件徽章:比分类更"重",一眼看出属于哪个软件 */
.badge.sw{background:#eef2f8; color:#2b4a74; border:1px solid #cfdcee; font-weight:600}
.badge.st-wontfix{background:#f6eef0; color:#a13c53}
/* ---------- 分页 ---------- */
.pager{display:flex; align-items:center; gap:12px; margin:22px 0 0; justify-content:center}
.pager-info{font-size:13.5px; color:var(--muted)}
/* ---------- 空态 ---------- */
.empty{
background:var(--card); border:1px dashed var(--line-strong); border-radius:13px;
padding:34px 20px; text-align:center; color:var(--muted);
}
.empty.small{padding:20px}
/* ---------- 面包屑 ---------- */
.crumbs{margin:4px 0 14px; font-size:14px}
/* ---------- 主题 / 回复 ---------- */
.subject{background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px 22px; box-shadow:var(--shadow)}
.subject-title{font-size:21px; margin:0; flex:1; min-width:200px}
.subject-body{margin-top:14px; white-space:normal; word-break:break-word; line-height:1.85}
.subject-body br{content:""}
.replies{margin-top:22px}
.reply{
background:var(--card); border:1px solid var(--line); border-left:3px solid var(--line-strong);
border-radius:11px; padding:13px 16px; margin-bottom:11px;
}
.reply.admin{border-left-color:var(--brand); background:linear-gradient(180deg,var(--brand-soft),var(--card) 42%)}
.reply-head{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted); margin-bottom:6px}
.reply-head .who{font-weight:600; color:#3a424d; font-size:14px}
.reply-body{word-break:break-word; line-height:1.8}
/* ---------- 表单 ---------- */
.narrow{max-width:640px}
.card-form{background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px 22px; box-shadow:var(--shadow); margin-top:14px}
.field{display:block; margin-bottom:16px}
.field > span{display:block; font-size:14px; font-weight:600; margin-bottom:6px}
.field .req{color:var(--danger)}
.field .hint{font-style:normal; font-weight:400; font-size:12.5px; color:var(--muted); margin-left:6px}
.field input[type=text],.field input[type=email],.field input[type=tel],
.field input[type=password],.field textarea,.field select{
width:100%; border:1px solid var(--line-strong); border-radius:9px;
padding:9px 12px; font-size:15px; font-family:inherit; background:var(--card);
color:var(--fg); line-height:1.6;
}
.field textarea{resize:vertical; min-height:110px}
.field input:focus,.field textarea:focus,.field select:focus{
outline:none; border-color:var(--brand); box-shadow:0 0 0 3px var(--brand-soft);
}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media (max-width:560px){ .row2{grid-template-columns:1fr} }
.captcha{margin:18px 0 0; padding:14px 16px; background:#fafbfc; border:1px solid var(--line); border-radius:11px}
.captcha .field{margin-bottom:0}
.captcha-line{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.captcha-line .c-q{
flex:1; min-width:200px; font-weight:600; color:var(--brand);
background:var(--brand-soft); border-radius:8px; padding:8px 12px;
}
.captcha-line input{flex:none; width:110px}
.captcha-line .reload{font-size:13.5px; white-space:nowrap}
.form-actions{margin-top:20px}
.form-actions .btn{padding:10px 26px; font-size:15px}
.admin-pw{margin-top:6px}
.admin-status{margin-bottom:16px}
/* 蜜罐字段:对用户不可见,但保留在 DOM 中诱捕机器人 */
.hp-field{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden}
/* ---------- 提示条 ---------- */
.flash{border-radius:10px; padding:11px 15px; font-size:14px; margin:0 0 16px}
.flash.error{background:var(--danger-soft); border:1px solid #f6c6c1; color:#9c2b21}
.flash.ok{background:var(--ok-soft); border:1px solid #bfe5cd; color:#0b6b3d}
/* ---------- 附件上传(浏览器直传 OSS) ---------- */
.uploader-box{
margin:18px 0 0; padding:14px 16px; background:#fafbfc;
border:1px solid var(--line); border-radius:11px;
}
.uploader{border-radius:10px; transition:background .15s, box-shadow .15s}
.uploader + .uploader{margin-top:14px; padding-top:14px; border-top:1px dashed var(--line)}
.uploader.dragging{background:var(--brand-soft); box-shadow:0 0 0 2px var(--brand) inset}
.up-head{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.up-title{font-size:14px; font-weight:600}
.up-head .btn{margin-left:auto; padding:6px 14px; font-size:13.5px; flex:none}
.up-file{display:none}
.up-list{display:flex; flex-wrap:wrap; gap:9px; margin-top:10px}
.up-list:empty{display:none}
.up-item{
position:relative; display:flex; gap:10px; align-items:center; width:100%;
padding:8px 10px; border:1px solid var(--line); border-radius:10px; background:var(--card);
}
.up-thumb{
width:52px; height:52px; flex:none; border-radius:8px; overflow:hidden; background:#eef1f4;
display:flex; align-items:center; justify-content:center;
}
.up-thumb img{width:100%; height:100%; object-fit:cover; display:block}
.up-thumb-video{font-size:10px; font-weight:700; color:var(--muted); letter-spacing:.08em}
.up-info{flex:1; min-width:0}
.up-name{font-size:13.5px; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.up-state{font-size:12.5px; color:var(--muted); word-break:break-word}
.up-bar{height:4px; border-radius:2px; background:#e6eaee; overflow:hidden; margin-top:5px}
.up-bar i{display:block; height:100%; width:0; background:var(--brand); transition:width .2s}
.up-item.done .up-bar{display:none}
.up-item.fail{border-color:#f6c6c1; background:var(--danger-soft)}
.up-item.fail .up-state{color:var(--danger)}
.up-del{
flex:none; border:1px solid var(--line-strong); background:var(--card); color:var(--muted);
border-radius:7px; padding:5px 10px; font-size:12.5px; cursor:pointer; font-family:inherit;
}
.up-del:hover{border-color:var(--danger); color:var(--danger)}
.up-del:disabled{opacity:.45; cursor:default}
/* ---------- 附件展示 ---------- */
/* align-items:flex-start —— 否则同行里有视频(多了标题栏)时,图片盒子会被拉伸,底部留白 */
.atts{display:flex; flex-wrap:wrap; align-items:flex-start; gap:10px; margin-top:14px}
.atts .att{
margin:0; max-width:100%; border:1px solid var(--line); border-radius:11px;
overflow:hidden; background:var(--card);
}
.atts .att-image img{display:block; width:220px; height:auto; max-height:200px; object-fit:cover}
.atts.compact .att-image img{width:150px; max-height:140px}
.atts .att-video{flex:1 1 320px; max-width:440px}
.atts .att-video video{display:block; width:100%; max-height:330px; background:#000}
.att-video-ph{
width:360px; max-width:100%; height:200px; background:#11161c; color:#8b97a5;
display:flex; align-items:center; justify-content:center; font-size:13px;
}
.atts figcaption{
display:flex; gap:8px; align-items:center; padding:6px 9px; font-size:12px; color:var(--muted);
}
.atts .att-name{overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.atts .att-size{margin-left:auto; flex:none}
.thumbs{display:flex; gap:8px; margin:0 0 8px}
.thumbs img{
width:78px; height:78px; object-fit:cover; display:block;
border-radius:9px; border:1px solid var(--line);
}
.att-tag{color:var(--brand); font-weight:600}
/* ---------- 附件灯箱(点击放大 + 左右切换) ---------- */
.atts .att-image .att-lb{display:block; line-height:0; cursor:zoom-in}
.atts .att-image .att-lb:focus-visible{outline:2px solid var(--brand); outline-offset:2px}
.att-zoom{
flex:none; border:1px solid var(--line-strong); background:var(--card); color:var(--muted);
border-radius:6px; padding:2px 9px; font-size:12px; line-height:1.6; cursor:pointer; font-family:inherit;
}
.att-zoom:hover{border-color:var(--brand); color:var(--brand)}
html.lb-open,body.lb-open{overflow:hidden}
.lb{
position:fixed; inset:0; z-index:1000; background:rgba(12,14,17,.94);
display:flex; flex-direction:column; animation:lb-in .16s ease-out;
}
.lb[hidden]{display:none}
@keyframes lb-in{from{opacity:0} to{opacity:1}}
.lb-stage{flex:1; min-height:0; position:relative}
.lb-media{
position:absolute; inset:0; z-index:1; padding:48px 62px;
display:flex; align-items:center; justify-content:center;
}
.lb-media img,.lb-media video{
display:block; max-width:100%; max-height:100%; border-radius:6px;
box-shadow:0 10px 44px rgba(0,0,0,.55);
}
.lb-media video{background:#000; width:auto}
.lb-media.loading::after{
content:''; position:absolute; width:26px; height:26px; border-radius:50%;
border:3px solid rgba(255,255,255,.26); border-top-color:#fff;
animation:lb-spin .8s linear infinite;
}
@keyframes lb-spin{to{transform:rotate(360deg)}}
.lb-nav{
position:absolute; top:50%; transform:translateY(-50%); z-index:2;
width:46px; height:46px; padding:0 0 3px; border:0; border-radius:50%; cursor:pointer;
background:rgba(255,255,255,.14); color:#fff; font-size:26px; line-height:1;
display:flex; align-items:center; justify-content:center; font-family:inherit;
}
.lb-nav:hover{background:rgba(255,255,255,.32)}
.lb-nav[hidden]{display:none}
.lb-prev{left:14px}
.lb-next{right:14px}
.lb-x{
position:absolute; top:14px; right:14px; z-index:3;
width:40px; height:40px; border:0; border-radius:50%; cursor:pointer;
background:rgba(255,255,255,.14); color:#fff; font-size:17px; font-family:inherit;
}
.lb-x:hover{background:rgba(255,255,255,.32)}
.lb-bar{
flex:none; display:flex; align-items:center; gap:10px; flex-wrap:wrap;
padding:10px 18px 16px; color:#e9edf2; font-size:13.5px;
}
.lb-name{font-weight:600; max-width:58vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.lb-meta{color:#9aa4b0; white-space:nowrap}
.lb-orig{margin-left:auto; color:#9ec5ff; white-space:nowrap}
.lb-orig[hidden]{display:none}
@media (max-width:560px){
.lb-media{padding:40px 10px}
.lb-nav{width:38px; height:38px; font-size:22px}
.lb-prev{left:6px} .lb-next{right:6px}
.lb-name{max-width:44vw}
}
/* ---------- 深色模式 ---------- */
@media (prefers-color-scheme: dark){
:root{
--fg:#e6e8eb; --muted:#9aa2ad; --line:#2c3138; --line-strong:#3a4149;
--bg:#15181c; --card:#1c2024; --brand:#5aa2ff; --brand-soft:#1e2a3d;
--ok:#4ec98a; --ok-soft:#16301f; --warn:#e2b559; --warn-soft:#2a2517;
--danger:#ff8a80; --danger-soft:#33191a; --shadow:0 1px 3px rgba(0,0,0,.35);
}
.item-meta .who,.reply-head .who{color:#cfd4da}
.field > span{color:#e6e8eb}
.captcha{background:#21262b}
.uploader-box{background:#21262b}
.up-thumb{background:#2c3138}
.up-bar{background:#2c3138}
.up-item.fail{border-color:#5a2a2a}
.badge.st{background:#242a30; color:#a8b0ba}
.badge.st-closed{background:#242a30; color:#8a929c}
.topbar{background:rgba(21,24,28,.82)}
.topbar .navlink:hover{background:var(--brand-soft)}
.btn:hover{border-color:var(--brand)}
.reply.admin{background:linear-gradient(180deg,var(--brand-soft),var(--card) 42%)}
.flash.error{background:var(--danger-soft); border-color:#5a2a2a; color:#ffb4ab}
.flash.ok{background:var(--ok-soft); border-color:#26503a; color:#9fe3bd}
}
/* ---- 管理后台 ---- */
.tabs{display:flex; flex-wrap:wrap; gap:8px; margin:16px 0 4px; border-bottom:1px solid var(--line); padding-bottom:10px}
.tab{padding:7px 14px; border-radius:999px; font-size:14px; color:var(--muted); background:var(--card); border:1px solid var(--line)}
.tab:hover{color:var(--brand); border-color:var(--brand)}
.tab.on{background:var(--brand); border-color:var(--brand); color:#fff}
.grid2{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:12px 16px; margin:12px 0}
.grid2 .field{margin:0}
.check{display:flex; align-items:center; gap:8px; font-size:14px; color:var(--muted); margin:8px 0}
.check input{width:16px; height:16px}
.btn.danger{border-color:#e08b84; color:#c0392b}
.btn.danger:hover{background:#fdecea}
.filters{display:flex; flex-wrap:wrap; gap:8px; margin:18px 0 4px}
.filters input[type=text]{flex:1 1 220px; min-width:180px}
.filters select{max-width:160px}
@media (max-width:640px){
.grid2{grid-template-columns:1fr}
.filters input[type=text],.filters select{width:100%; max-width:none}
}