/* 管理页沿用现有白色外壳和蓝紫品牌色；卡片只承载头像、昵称与编辑入口。 */
:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#202936;background:#f7faff;font-synthesis:none;--blue:#269cff;--line:#dfe7ef;--muted:#7b8799}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #8ecfff;outline-offset:4px}[hidden]{display:none!important}
.header{height:88px;position:fixed;inset:0 0 auto;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:0 30px;background:#fff;border-bottom:1px solid #eef2f6}.brand{display:flex;align-items:center;gap:8px;font-size:27px;font-weight:750;color:#10151b;white-space:nowrap}.language{display:flex;align-items:center;gap:8px;border:1px solid #e3e9ef;border-radius:28px;padding:9px 13px;box-shadow:0 2px 4px #20305005;color:var(--blue)}.language>span{font-size:25px;line-height:1}.language select{border:0;background:#fff;color:#56667e;font-size:14px;cursor:pointer;max-width:120px}
.sidebar{width:260px;position:fixed;inset:88px auto 0 0;border-right:1px solid #e9eef4;background:#fff;overflow:hidden}.sidebar nav{position:relative;z-index:1;padding-top:18px}.nav-item{width:100%;min-height:58px;display:flex;align-items:center;gap:14px;padding:15px 30px 15px 39px;background:transparent;border:0;border-left:5px solid transparent;font-size:18px;font-weight:650;text-align:left;color:#607087}.nav-item>span:first-child{font-size:25px;line-height:1}.nav-item.active{background:#e8f3ff;color:var(--blue);border-left-color:var(--blue)}.nav-item:hover{background:#f2f7ff}.sidebar-art{position:absolute;inset:auto -100px -140px -200px;height:440px;border-radius:50%;transform:rotate(-27deg);background:repeating-radial-gradient(ellipse at 18% -35%,transparent 0 43px,#aba3fb18 44px 86px,#55b8f81c 87px 130px);pointer-events:none}.sidebar-art:after{content:"";position:absolute;inset:230px 0 0;background:linear-gradient(140deg,#b9f2ff66,#8383f7aa);clip-path:polygon(0 30%,55% 0,100% 25%,100% 100%,0 100%)}
main{margin:88px 0 0 260px;min-height:calc(100dvh - 88px)}.breadcrumb{height:69px;border-bottom:1px solid #e9eef4;display:flex;align-items:center;gap:14px;padding:0 32px;background:#fff;font-size:14px;color:var(--blue)}.breadcrumb>span:first-child{font-size:24px;color:#4f5965}.separator{color:#8c95a0}.content{padding:36px;max-width:1800px;margin:0 auto}.heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:29px}.heading h1{font-size:30px;line-height:1.4;margin:0 0 5px;font-weight:700;letter-spacing:.5px}.heading p{font-size:17px;color:var(--muted);margin:0}.primary,.outline{border-radius:24px;min-height:43px;padding:9px 26px;display:inline-flex;justify-content:center;align-items:center;gap:9px;font-weight:600;font-size:15px}.primary{background:linear-gradient(105deg,#0dd0eb 0%,#438cff 47%,#cf5cf4 100%);border:0;color:#fff}.primary:hover{filter:brightness(1.04);box-shadow:0 5px 14px #8485ed25}.heading .primary{min-height:49px;border-radius:18px}.plus{font-size:25px;font-weight:400;line-height:1}.outline{border:1px solid #475362;background:#fff;color:#303e4f}.outline:hover{border-color:var(--blue);color:var(--blue);background:#f8fcff}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{padding:30px 20px 26px;border:1px solid #d9e3ef;border-radius:11px;background:#fff;display:flex;flex-direction:column;align-items:center;min-width:0;transition:box-shadow .2s,border-color .2s}.card:hover{box-shadow:0 8px 24px #5068890a;border-color:#b4d7f7}.avatar{width:clamp(110px,12vw,192px);height:auto;aspect-ratio:1;border-radius:50%;border:1px solid #e2e7ee;object-fit:cover;display:grid;place-items:center;background:linear-gradient(135deg,#edfaff,#eeeaff);color:#7c90bb;font-size:48px;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.card h2{font-size:20px;margin:19px 0 18px;max-width:100%;overflow-wrap:anywhere;text-align:center}.card .outline{width:166px;max-width:100%}.edit-icon{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7}.status{color:var(--muted);text-align:center;line-height:1.8}.status:not(:empty){padding:60px 20px}.status h2{font-size:21px;color:#38485c;margin:12px 0 4px}.status p{margin:0 0 20px}.status.error{color:#b64545}.pagination{display:flex;align-items:center;justify-content:center;gap:22px;margin:30px 0 0;color:#7b8799;font-size:14px}.pagination .outline{border-color:var(--line);min-height:36px;padding:6px 18px}.skeleton .avatar,.skeleton .skeleton-name{background:linear-gradient(100deg,#f0f3f9,#f9fbff,#f0f3f9);background-size:200% 100%;animation:pulse 1.7s ease-in-out infinite}.skeleton-name{height:20px;width:70px;margin:22px 0}.skeleton-button{width:166px;height:43px;border:1px solid #e8edf4;border-radius:24px}@keyframes pulse{to{background-position:-200% 0}}
dialog{width:min(440px,calc(100% - 32px));border:1px solid var(--line);border-radius:18px;padding:28px;color:inherit;box-shadow:0 24px 90px #23355625}dialog::backdrop{background:#24334b55;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dialog-heading h2{margin:0;font-size:22px}.close{border:0;background:transparent;color:#8993a3;font-size:28px;padding:0 5px}.upload{display:flex;flex-direction:column;align-items:center;gap:10px;margin:18px 0 26px;color:var(--blue);font-size:14px;cursor:pointer}.preview{width:104px;font-size:30px}.upload input{max-width:250px;font-size:12px}.field{display:flex;flex-direction:column;gap:9px;font-size:14px;font-weight:600}.field input{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#f9fbfd}.field small{font-weight:400;color:var(--muted)}.form-error{font-size:14px;color:#c44e54;min-height:22px;line-height:1.6}.dialog-actions{display:flex;justify-content:flex-end;gap:12px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:5;background:#25364ded;color:#fff;border-radius:10px;padding:13px 23px;box-shadow:0 8px 28px #34445b20;max-width:90%;text-align:center}
@media(min-width:1700px){.content{padding:42px 48px}.card{padding:38px 20px 30px}.avatar{width:192px}}
@media(max-width:1100px){.sidebar{width:210px}.nav-item{padding-left:25px;font-size:16px}main{margin-left:210px}.content{padding:28px}.cards{gap:16px}.avatar{width:120px}.card{padding:26px 14px}.card .outline{width:135px}.brand{font-size:24px}}
@media(max-width:800px){.header{height:72px;padding:0 20px}.brand{font-size:21px}.brand img{width:40px;height:40px}.sidebar{inset:72px auto 0 0;width:176px}.nav-item{padding:15px 12px 15px 19px;gap:9px;font-size:15px}main{margin:72px 0 0 176px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.heading{align-items:flex-start}.heading h1{font-size:24px}.heading p{font-size:14px}.heading .primary{padding:9px 15px;font-size:13px;white-space:nowrap}.breadcrumb{padding:0 24px}.content{padding:24px}}
@media(max-width:560px){.header{padding:0 14px}.brand{font-size:20px;gap:4px}.language{padding:7px 8px;gap:4px}.language select{font-size:12px;max-width:88px}.sidebar{width:64px}.nav-item{height:58px;justify-content:center;padding:12px 0;border-left-width:3px}.nav-item>span:last-child{display:none}.sidebar-art{opacity:.5}main{margin-left:64px}.breadcrumb{height:54px;padding:0 18px}.content{padding:24px 16px}.heading{flex-wrap:wrap;gap:16px;margin-bottom:23px}.heading .primary{min-height:42px}.heading h1{font-size:24px}.cards{grid-template-columns:1fr}.avatar{width:144px}.card{padding:26px 18px}.pagination{gap:10px}.pagination .outline{padding:6px 12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* 图片覆盖首字占位，加载失败移除图片后仍保持圆形头像的固定尺寸。 */
.avatar{position:relative}.avatar img{position:absolute;inset:0}
/* 图标统一使用 SVG 描边，手机侧栏隐藏文字时保留可访问名称。 */
.icon{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.grid-icon{fill:currentColor;stroke-width:0}.breadcrumb>.icon{width:18px;height:18px;color:#596575}.nav-item .icon{width:24px;height:24px}

/* 每张卡片展示公开访问入口；长链接截断显示，悬停或复制仍可取得完整地址。 */
.card-access{width:100%;min-width:0;margin:0 0 20px;padding:12px;background:#f6f9ff;border:1px solid #e5edf8;border-radius:8px;display:flex;flex-direction:column;align-items:center;gap:7px}.card-access-label{font-size:12px;color:var(--muted)}.card-access-link{font-size:12px;color:var(--blue);display:block;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}.card-access-link:hover{text-decoration:underline}.card-copy-link{border:0;background:transparent;color:var(--blue);font-size:12px;padding:5px 12px;border-radius:5px}.card-copy-link:hover{background:#e7f1ff}.card-access-link:focus-visible,.card-copy-link:focus-visible{outline:2px solid #8ecfff;outline-offset:2px}.card>.outline{margin-top:auto}