html,body{margin:0;padding:0}body{background:#f1f5f9;color:#0f172a;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif}img{max-width:100%;height:auto}:root{--sky:#38bdf8;--sky-deep:#0ea5e9;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--yellow:#f59e0b}body.admin-bar .r1{top:32px}body.admin-bar{height:calc(100vh - 32px)}@media screen and (max-width:782px){body.admin-bar .r1{top:46px}body.admin-bar{height:calc(100vh - 46px)}}.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}.menu a{flex:1;text-align:center;font:inherit;font-weight:700;font-size:13px;color:#fff;background:#0f172a;border-radius:9px;padding:6px;text-decoration:none;transition:.18s}.menu a:hover{background:var(--sky);color:#fff}.r1 .avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.c1111 img{width:100%;height:100%;border-radius:50%;object-fit:cover}.b2mid .ava img,.item .face img,.author .face img{width:100%;height:100%;border-radius:50%;object-fit:cover}.d1 form,.d1 #regBox{display:flex;flex-direction:column;gap:18px}.tip a{color:#0284c7;text-decoration:none}.tip a:hover{text-decoration:underline}.b1 a{position:relative;font:inherit;font-size:15px;font-weight:700;cursor:pointer;color:#64748b;text-decoration:none;transition:.18s;white-space:nowrap}.b1 a:hover{color:var(--sky-deep)}.b1 a.on{color:var(--sky-deep)}.b1 a.on::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;border-radius:2px;background:var(--sky)}.c121 .bg-change{position:absolute;right:16px;bottom:12px;color:#fff;font-size:12px;font-weight:700;cursor:pointer;text-decoration:underline;opacity:.92}.c121 .bg-change:hover{opacity:1}.c121 .bg-pending{position:absolute;right:16px;top:12px;background:rgb(15 23 42 / .55);color:#fff;font-size:11px;border-radius:999px;padding:3px 10px}.empty a{color:#0284c7;text-decoration:none}.sm-msg{padding:10px 14px;border-radius:10px;font-size:13px;line-height:1.7;margin:10px 0}.sm-msg.err{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.sm-msg.ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}@media (max-width:1024px){.r1{height:auto!important;flex:0 0 auto!important;flex-wrap:wrap;padding:10px 14px;gap:10px}.r1 .logo{width:46px;height:46px;flex:0 0 46px;font-size:17px;border-radius:10px}.r1 .sitname{font-size:20px;padding:2px 6px}.r1 .search{order:3;flex:1 0 100%;padding:5px 6px 5px 14px}.r1 .search input{font-size:13.5px}.r1 .search button{padding:7px 16px;font-size:13px}.r1 .user{flex-direction:row;align-items:center;gap:8px;margin-left:auto}.r1 .avatar{width:40px;height:40px;font-size:16px}.r1 .uname{font-size:11px;padding:2px 6px}.r4{flex-wrap:wrap;padding:14px;gap:10px}.r4 .logo{font-size:18px}.r4 .beian{flex:1 0 100%;order:3;text-align:left}.r4 .contact{text-align:left;margin-left:auto}}@media (max-width:480px){.r1{padding:8px 10px;gap:8px}.r1 .sitname{font-size:17px}.r1 .search{padding-left:12px}.r4{font-size:12px}}@media (max-width:1024px){html,body{max-width:100%;overflow-x:hidden}.r1 .search,.r1 .search input{min-width:0}.r4{position:relative!important;margin-top:auto}.r4 .beian,.r4 .contact{overflow-wrap:anywhere}.card,.cards,.panel,.col,.row,.item,.msg,.post,.c13,.b2-scroll{min-width:0}.card .meta .t,.wall .msg,.post .ttl,.row h3,.row p,.card .cover .c-title,.paper h1{overflow-wrap:anywhere;word-break:break-word}}@media (min-width:1025px){.r1 .search{max-width:520px;margin-left:auto;margin-right:auto}}.r1 .logo,.r4 .logo,.d11{overflow:hidden}.r1 .logo img,.r4 .logo img,.d11 img{width:100%;height:100%;display:block;object-fit:cover;border-radius:inherit}