/* 公开页面共用白主题（首页 / 授权页） */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root{
  --bg:#f3f6fb; --panel:#ffffff; --panel2:#f7f9fc; --line:#e6ecf5;
  --txt:#1f2738; --sub:#67748a; --main:#2563eb; --main2:#eaf1ff;
  --ok:#15a34a; --ok2:#e8f7ee; --err:#e0393e; --err2:#fdecec;
  --warn:#d97706; --warn2:#fef6e7; --shadow:0 1px 3px rgba(20,35,70,.06),0 6px 18px rgba(20,35,70,.05);
}
body{background:var(--bg);color:var(--txt);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh;}
a{color:var(--main);text-decoration:none;}

.wrap{max-width:1080px;margin:0 auto;padding:28px 20px 60px;}

/* 顶栏 */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.brand{font-size:20px;font-weight:800;letter-spacing:.5px;display:flex;align-items:center;gap:10px;}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--main);box-shadow:0 0 0 4px var(--main2);}
.brand span{font-size:11px;background:var(--main);color:#fff;border-radius:5px;padding:2px 7px;font-weight:600;vertical-align:middle;}
.nav a{margin-left:18px;font-size:13px;color:var(--sub);}
.nav a:hover{color:var(--main);}

/* 统计卡片 */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:30px;}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden;}
.stat::after{content:"";position:absolute;right:-18px;top:-18px;width:64px;height:64px;border-radius:50%;background:var(--main2);opacity:.5;}
.stat .lb{font-size:12px;color:var(--sub);margin-bottom:8px;position:relative;z-index:1;}
.stat .nm{font-size:30px;font-weight:800;letter-spacing:.5px;position:relative;z-index:1;}
.stat .ex{font-size:11px;color:#9aa7b8;margin-top:5px;position:relative;z-index:1;}
.stat.s1 .nm{color:var(--main);} .stat.s2 .nm{color:var(--ok);} .stat.s3 .nm{color:var(--warn);}
.stat.s4 .nm{color:var(--err);} .stat.s5 .nm{color:#7c3aed;} .stat.s6 .nm{color:#0ea5a4;}

/* 区块 */
.section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);margin-bottom:24px;}
.section h2{font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:9px;}
.section h2 i{font-style:normal;color:var(--main);}
.section .desc{font-size:12px;color:var(--sub);margin-bottom:16px;}

/* 搜索 */
.search{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap;}
.search input{flex:1;min-width:200px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:10px 14px;font-size:14px;color:var(--txt);}
.search input:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.search select{background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:10px 12px;color:var(--txt);}

/* 头像墙 */
.wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:14px;}
.ucell{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;padding:8px 4px;border-radius:10px;transition:.15s;}
.ucell:hover{background:var(--panel2);}
/* 头像统一用圆形容器包裹，加载失败也不会露出方形破图 */
.ava-wrap{position:relative;width:54px;height:54px;border-radius:50%;overflow:visible;background:var(--panel2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='4' fill='%23aab2c0'/%3E%3Cpath d='M4 21c0-4.4 3.6-7 8-7s8 2.6 8 7' fill='%23aab2c0'/%3E%3C/svg%3E") center/60% no-repeat;border:2px solid var(--line);flex:none;}
.ava-wrap img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block;}
.ucell .unick{font-size:12px;color:var(--txt);max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;line-height:1.25;}
.ucell .uqq{font-size:11px;color:var(--sub);max-width:64px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ucell.vip .ava-wrap{border-color:#f5c542;box-shadow:0 0 0 2px rgba(245,197,66,.35),0 0 14px rgba(245,197,66,.5);}
.ucell.vip .crown{position:absolute;top:-7px;right:-7px;font-size:15px;line-height:1;filter:drop-shadow(0 1px 1px rgba(0,0,0,.35));z-index:2;}
.ucell.unauth .ava-wrap{border-color:#ff4d4f;overflow:hidden;box-shadow:0 0 0 2px rgba(255,77,79,.4),0 0 12px rgba(255,77,79,.45);}
.ucell .badge{font-size:10px;padding:0 6px;border-radius:8px;background:var(--ok2);color:#12703a;}
.ucell.unauth .badge{background:var(--err2);color:#b02026;}
.empty{text-align:center;color:var(--sub);padding:40px 0;font-size:13px;}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
.mask.show{display:flex;}
.modal{background:#fff;border-radius:16px;width:100%;max-width:360px;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:pop .18s ease;}
@keyframes pop{from{transform:scale(.94);opacity:.6}to{transform:scale(1);opacity:1}}
.modal .mhead{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.modal .mhead .ava-wrap{width:62px;height:62px;border:1px solid var(--line);border-radius:50%;overflow:hidden;}
.modal .mhead .ava-wrap.lg{width:62px;height:62px;}
.modal .mhead #c-avatar{width:62px;height:62px;border-radius:50%;object-fit:cover;background:var(--panel2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='4' fill='%23aab2c0'/%3E%3Cpath d='M4 21c0-4.4 3.6-7 8-7s8 2.6 8 7' fill='%23aab2c0'/%3E%3C/svg%3E") center/60% no-repeat;border:1px solid var(--line);flex:none;}
.modal .mhead .mnick{font-size:18px;font-weight:700;color:var(--txt);}
.modal .mhead .mqq{font-size:12px;color:var(--sub);margin-top:3px;}
.modal .row2{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;}
.modal .row2:last-child{border-bottom:none;}
.modal .row2 .k{color:var(--sub);}
.modal .row2 .v{font-weight:600;}
.modal .close{margin-top:18px;width:100%;padding:11px;border:none;border-radius:9px;background:var(--main);color:#fff;font-size:14px;cursor:pointer;}
.modal .close:hover{opacity:.92;}

/* 授权页 */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow);width:100%;max-width:420px;}
.auth-card h1{font-size:21px;text-align:center;margin-bottom:4px;}
.auth-card .sb{text-align:center;color:var(--sub);font-size:12px;margin-bottom:24px;}
.tab{display:flex;gap:8px;margin-bottom:20px;}
.tab button{flex:1;padding:9px;border:1px solid var(--line);background:var(--panel2);border-radius:9px;color:var(--sub);cursor:pointer;font-size:13px;}
.tab button.on{background:var(--main);border-color:var(--main);color:#fff;}
.auth-card label{display:block;font-size:12px;color:var(--sub);margin:14px 0 6px;}
.auth-card input{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-size:14px;color:var(--txt);}
.auth-card input:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.auth-card .submit{width:100%;margin-top:22px;padding:12px;border:none;border-radius:10px;background:var(--main);color:#fff;font-size:15px;cursor:pointer;}
.auth-card .submit:hover{opacity:.92;}
.result{margin-top:18px;padding:13px 15px;border-radius:10px;font-size:13px;display:none;}
.result.ok{display:block;background:var(--ok2);color:#12703a;border:1px solid #bfe8cd;}
.result.err{display:block;background:var(--err2);color:#b02026;border:1px solid #f5c2c3;}
.backlink{display:block;text-align:center;margin-top:18px;font-size:12px;color:var(--sub);}

/* ===== 通用组件：表格 / 表单 / 按钮 / 提示（用户中心 user.php 等） ===== */
table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
th{color:var(--sub);font-weight:500;font-size:12px;background:var(--panel2);}
tr:hover td{background:#fafbfe;}

input,select,textarea{background:var(--panel);border:1px solid var(--line);color:var(--txt);padding:8px 11px;border-radius:7px;font-size:13px;font-family:inherit;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
input[type=text],input[type=password],input[type=number],select,textarea{width:100%;}
input[type=checkbox]{width:auto;margin-right:6px;vertical-align:middle;cursor:pointer;}
label{display:block;font-size:12px;color:var(--sub);margin:10px 0 5px;}

.btn{display:inline-block;padding:7px 14px;border-radius:7px;border:1px solid var(--line);background:var(--panel);color:var(--txt);cursor:pointer;font-size:13px;}
.btn:hover{border-color:var(--main);color:var(--main);background:var(--main2);}
.btn.p{background:var(--main);border-color:var(--main);color:#fff;}
.btn.p:hover{opacity:.92;color:#fff;background:var(--main);}
.btn.d{color:var(--err);border-color:#f3c9ca;}
.btn.d:hover{background:var(--err2);border-color:var(--err);color:var(--err);}
.btn.s{padding:4px 9px;font-size:12px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;}

.alert{padding:11px 15px;border-radius:8px;margin-bottom:16px;font-size:13px;}
.alert.ok{background:var(--ok2);border:1px solid #bfe8cd;color:#12703a;}
.alert.err{background:var(--err2);border:1px solid #f5c2c3;color:#b02026;}
.alert.warn{background:var(--warn2);border:1px solid #f6dfae;color:#96650a;}

.tip{font-size:12px;color:var(--sub);margin:6px 0 12px;line-height:1.7;}
pre{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:13px;overflow-x:auto;font-size:12px;line-height:1.7;color:#334155;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;margin:8px 0 14px;white-space:pre-wrap;word-break:break-all;}
code{background:var(--panel2);padding:1px 5px;border-radius:4px;font-size:12px;color:#b45309;}
pre code{background:none;padding:0;color:inherit;}

/* ===== 响应式：PC / 平板 / 手机 自适应 ===== */
@media(max-width:900px){
  .wrap{padding:22px 16px 48px;}
  .stats{gap:12px;}
}
@media(max-width:760px){
  .wrap{padding:18px 14px 48px;}
  .topbar{flex-direction:column;align-items:flex-start;gap:10px;}
  .nav a{margin-left:0;margin-right:18px;}
  .section{padding:16px;margin-bottom:18px;}
  .stats{gap:10px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));}
  .wall{gap:10px;grid-template-columns:repeat(auto-fill,minmax(54px,1fr));}
  .ucell .unick{max-width:62px;}
  table{font-size:12px;}
  th,td{padding:8px 8px;}
}
@media(max-width:600px){
  .user-wrap{padding:16px 12px 44px;}
  .user-wrap .g2{grid-template-columns:1fr;gap:0;}
  .g2{grid-template-columns:1fr;gap:0;}
  .section h2{font-size:15px;}
  .brand{font-size:18px;}
  .modal{max-width:100%;}
  .stats{grid-template-columns:1fr 1fr;}
  .auth-card{padding:26px 20px;}
}
@media(max-width:480px){
  .wrap{padding:14px 12px 36px;}
  .topbar{gap:6px;}
  .brand{font-size:16px;}
  .brand .dot{width:8px;height:8px;box-shadow:0 0 0 3px var(--main2);}
  .nav a{margin-right:12px;font-size:12px;}
  .stats{grid-template-columns:1fr 1fr;gap:8px;}   /* 手机端保持两列，避免单列过丑 */
  .stat{padding:13px;}
  .stat .nm{font-size:24px;}
  .section{padding:14px;}
  .wall{grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:8px;}
  .ucell .unick{max-width:58px;}
  .modal{padding:18px;}
}

/* 6.0 底部友链 */
.footer{padding:26px 0 10px;text-align:center;font-size:12px;color:var(--sub);margin-top:14px;border-top:1px solid var(--line);}
.footer .flinks{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 26px;}
.footer .flinks a{color:var(--sub);text-decoration:none;position:relative;padding:2px 0;transition:.15s;}
.footer .flinks a:hover{color:var(--main);}
.footer .flinks a:not(:last-child)::after{content:"";position:absolute;right:-13px;top:50%;width:1px;height:12px;background:var(--line);transform:translateY(-50%);}