:root{
  --brand:#2C7BE5;
  --brand-dark:#1a5bb8;
  --ink:#1f2d3d;
  --ink-soft:#6b7a90;
  --line:#e3e8ef;
  --bg:#eef2f7;
  --card:#fff;
  --ok:#2e7d32;
  --warn:#c47f17;
  --err:#d32f2f;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;}
a{color:var(--brand);text-decoration:none;}
.wrap{max-width:1080px;margin:0 auto;padding:18px;}
#nav{background:var(--card);border-bottom:1px solid var(--line);}
.nav-in{max-width:1080px;margin:0 auto;padding:9px 18px;min-height:58px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.nav-in .logo{font-size:17px;font-weight:bold;color:var(--brand);display:flex;align-items:center;gap:8px;}
.nav-in .links{display:flex;gap:10px;flex:1;margin-left:22px;align-items:center;}
.nav-in .links a{font-size:14px;color:var(--ink-soft);padding:6px 18px;border-radius:20px;background:#f4f7fb;border:1.5px solid transparent;transition:.15s;white-space:nowrap;}
.nav-in .links a:hover{color:var(--brand);background:#eef4ff;}
.nav-in .links a.on{color:#fff;background:var(--brand);}
.nav-in .me{font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:16px;}
.nav-in .me .login-mini{background:var(--brand);color:#fff;text-decoration:none;border-radius:20px;padding:6px 16px;font-size:13px;font-weight:bold;}
.nav-in .me .login-mini:hover{background:var(--brand-dark);}
.nav-in .me .uname{white-space:nowrap;}
.nav-in .me .logout{padding-left:16px;border-left:1px solid var(--line);font-size:12px;white-space:nowrap;}
.btn{background:var(--brand);color:#fff;border:none;border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer;font-weight:bold;transition:.15s;font-family:inherit;}
.btn:hover{background:var(--brand-dark);}
.btn:disabled{background:#b8c4d4;cursor:not-allowed;}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:#eef4ff;}
.btn-sm{padding:5px 12px;font-size:12px;}
.btn-danger{background:#fff;color:var(--err);border:1.5px solid var(--err);}
.btn-danger:hover{background:#fdeaea;}
.card{background:var(--card);border-radius:12px;padding:18px 20px;margin-bottom:14px;box-shadow:0 2px 10px rgba(0,0,0,.05);}
.card h2{font-size:16px;color:var(--brand);margin-bottom:12px;border-left:4px solid var(--brand);padding-left:10px;}
.card h3{font-size:14px;margin-bottom:8px;}
label.fld{display:block;font-weight:bold;font-size:13px;margin:10px 0 5px;}
input[type=text],input[type=password],input[type=tel],textarea,select{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand);}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.tip{font-size:12px;color:var(--ink-soft);margin-top:6px;}
.muted{color:var(--ink-soft);font-size:13px;}
.tag{display:inline-block;background:#eef4ff;color:var(--brand);font-size:12px;padding:2px 10px;border-radius:20px;}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;}
.tool-card{display:block;color:inherit;text-decoration:none;background:var(--card);border-radius:12px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.05);cursor:pointer;transition:.18s;border:1.5px solid transparent;}
.tool-card:hover{border-color:var(--brand);transform:translateY(-2px);}
.tool-card .ic{font-size:28px;margin-bottom:8px;}
.tool-card .nm{font-size:15px;font-weight:bold;margin-bottom:6px;}
.tool-card .ds{font-size:12.5px;color:var(--ink-soft);min-height:38px;}
table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;}
th{color:var(--ink-soft);font-weight:bold;font-size:12px;background:#fafbfd;}
td.num{font-variant-numeric:tabular-nums;}
.hidden{display:none;}
.quota-pill{background:#eef4ff;color:var(--brand);border-radius:20px;padding:3px 12px;font-size:12.5px;}
.quota-pill.low{background:#fdeaea;color:var(--err);}
.buy-mini{background:#eef4ff;color:var(--brand);border:1px solid #c9dff8;border-radius:20px;padding:3px 12px;font-size:12px;font-weight:bold;cursor:pointer;transition:.15s;}
.buy-mini:hover{background:var(--brand);border-color:var(--brand);color:#fff;}
.buy-points-modal{position:fixed;inset:0;z-index:99999;background:rgba(15,25,40,.56);display:flex;align-items:center;justify-content:center;padding:20px;}
.buy-points-box{position:relative;background:#fff;border-radius:16px;max-width:340px;width:100%;padding:22px;text-align:center;box-shadow:0 18px 45px rgba(0,0,0,.22);}
.buy-points-box h3{color:var(--ink);font-size:18px;margin-bottom:8px;}
.buy-points-box p{color:var(--ink-soft);font-size:13px;margin-bottom:14px;}
.buy-qr{background:#f6f8fb;border-radius:12px;padding:10px;}
.buy-qr img{display:block;width:100%;max-height:300px;object-fit:contain;border-radius:8px;}
.buy-tip{color:var(--ink-soft);font-size:12px;margin-top:8px;}
.daily-pill{background:#fff;border:1.5px solid var(--brand);color:var(--brand);border-radius:20px;padding:3px 12px;font-size:12.5px;cursor:pointer;white-space:nowrap;transition:.15s;}
.daily-pill.claim:hover{background:var(--brand);color:#fff;}
.daily-pill.done{background:#eef4ff;border-color:#c9dff8;color:var(--brand);cursor:default;}
.daily-pill.hidden{display:none;}
#sgdDailyNotice{position:fixed;top:10px;left:50%;transform:translateX(-50%);z-index:99998;background:#e8f5e9;border:1.5px solid #2e7d32;color:#1b5e20;border-radius:12px;padding:10px 14px;font-size:13.5px;font-weight:bold;display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px rgba(27,94,32,.16);max-width:min(92vw,520px);}
#sgdDailyNotice button{width:26px;height:26px;border:none;border-radius:50%;background:#fff;color:#1b5e20;font-size:17px;line-height:1;cursor:pointer;}
.buy-close{position:absolute;top:6px;right:8px;width:32px;height:32px;border:none;background:#f2f5f9;color:#6b7a90;border-radius:50%;font-size:19px;line-height:1;cursor:pointer;}
.buy-close:hover{background:#e8edf4;color:var(--ink);}
.point-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 14px;}
.point-card{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px;}
.point-card b{display:block;font-size:24px;color:var(--brand);line-height:1.2;}
.point-card span{color:var(--ink-soft);font-size:12px;}
.msg{font-size:13px;margin-top:8px;min-height:18px;}
.msg.ok{color:var(--ok);}
.msg.err{color:var(--err);}
.tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.tab{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:8px 18px;font-size:14px;color:var(--ink-soft);cursor:pointer;font-family:inherit;}
.tab.on{background:var(--brand);border-color:var(--brand);color:#fff;}
.empty{text-align:center;color:var(--ink-soft);font-size:13px;padding:24px 0;}
.code-box{background:#1f2d3d;color:#a5d6ff;padding:12px;border-radius:8px;font-family:Consolas,monospace;font-size:12.5px;white-space:pre-wrap;word-break:break-all;max-height:220px;overflow:auto;}
.shell{display:flex;flex-direction:column;height:100vh;}
.shell iframe{flex:1;border:none;width:100%;}
#toast{position:absolute;left:50%;transform:translateX(-50%);top:16px;background:rgba(31,45,61,.92);color:#fff;padding:9px 18px;border-radius:8px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:9999;}
#toast.show{opacity:1;}
@media(max-width:680px){.two{grid-template-columns:1fr;}.nav-in{gap:8px;}.nav-in .links{margin-left:0;gap:6px;}.nav-in .links a{padding:5px 12px;font-size:13px;}.nav-in .me{gap:10px;}}

/* ---------- 技能使用指南（各工具空窗口的「怎么用 + 输入示例」） ---------- */
.guide{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px;box-shadow:0 2px 10px rgba(0,0,0,.04);}
.guide .gtitle{font-size:14px;font-weight:bold;color:var(--brand);margin-bottom:6px;}
.guide .ghow{font-size:13px;color:var(--ink);margin-bottom:12px;}
.guide .gsec{font-size:12px;font-weight:bold;color:var(--ink-soft);margin:12px 0 6px;letter-spacing:.3px;}
.guide .gsample{background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:12.5px;line-height:1.75;white-space:pre-wrap;word-break:break-word;color:#33445c;max-height:260px;overflow:auto;font-family:inherit;}
.guide .gtips{margin:0 0 0 18px;font-size:12.5px;color:var(--ink-soft);}
.guide .gtips li{margin:3px 0;}
.guide .gbtns{display:flex;gap:8px;margin-top:12px;}
.guide .gbtn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 12px;font-size:12.5px;cursor:pointer;color:var(--ink-soft);font-family:inherit;}
.guide .gbtn:hover{border-color:var(--brand);color:var(--brand);}
/* ---------- 顶部栏目条（后台可增删的栏目） ---------- */
.nav-in .links a.cms{background:#fff;border-color:#dbe4f0;font-weight:bold;color:var(--ink);}
.nav-in .links a.cms:hover{color:var(--brand);border-color:var(--brand);background:#f7faff;}
.nav-in .links a.cms.on{background:var(--brand);border-color:var(--brand);color:#fff;}
.nav-in .links .cms-sep{width:1px;height:20px;background:var(--line);margin:0 4px;flex:none;}

/* ---------- 后台图文编辑器 ---------- */
.editor-toolbar{display:flex;gap:6px;flex-wrap:wrap;border:1.5px solid var(--line);border-bottom:none;border-radius:8px 8px 0 0;padding:8px;background:#fafbfd;}
.editor-toolbar button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 10px;font-size:12.5px;cursor:pointer;font-family:inherit;color:var(--ink);}
.editor-toolbar button:hover{border-color:var(--brand);color:var(--brand);}
.editor-body{min-height:320px;max-height:640px;overflow:auto;border:1.5px solid var(--line);border-radius:0 0 8px 8px;padding:14px 16px;background:#fff;font-size:14px;line-height:1.8;}
.editor-body:focus{outline:none;border-color:var(--brand);}
.editor-body img{max-width:100%;border-radius:8px;}
.editor-body h2{font-size:19px;margin:14px 0 8px;}
.editor-body h3{font-size:16px;margin:12px 0 6px;}
.editor-body blockquote{border-left:3px solid var(--brand);padding-left:12px;color:var(--ink-soft);margin:10px 0;}
.editor-body ul,.editor-body ol{margin:8px 0 8px 22px;}
.editor-body p{margin:8px 0;}
.editor-body a{color:var(--brand);}

/* ---------- 文章列表与正文 ---------- */
.article-list{display:flex;flex-direction:column;gap:12px;}
.article-item{display:flex;gap:14px;background:#fff;border-radius:12px;padding:14px 16px;box-shadow:0 2px 10px rgba(0,0,0,.05);transition:.15s;border:1.5px solid transparent;color:inherit;}
.article-item:hover{border-color:var(--brand);transform:translateY(-1px);}
.article-item .thumb{width:150px;height:100px;border-radius:8px;object-fit:cover;background:#eef2f7;flex:none;display:block;}
.article-item .ph{width:150px;height:100px;border-radius:8px;background:linear-gradient(135deg,#e8f0ff,#f4f7fb);display:flex;align-items:center;justify-content:center;font-size:26px;flex:none;}
.article-item h3{font-size:15.5px;margin-bottom:6px;color:var(--ink);}
.article-item .sm{font-size:12.5px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.article-item .meta{font-size:11.5px;color:#9aa8bb;margin-top:8px;}
.article-head{background:#fff;border-radius:12px;padding:20px 26px;margin-bottom:14px;box-shadow:0 2px 10px rgba(0,0,0,.05);}
.article-head h1{font-size:22px;line-height:1.5;margin-bottom:10px;color:var(--ink);}
.article-head .meta{font-size:12.5px;color:var(--ink-soft);display:flex;gap:14px;flex-wrap:wrap;}
.article-body{background:#fff;border-radius:12px;padding:22px 26px;box-shadow:0 2px 10px rgba(0,0,0,.05);font-size:14.5px;line-height:1.9;color:#2b3a4d;overflow-wrap:break-word;}
.article-body img{max-width:100%;height:auto;border-radius:10px;margin:10px 0;display:block;}
.article-body h2{font-size:20px;margin:18px 0 10px;color:var(--ink);border:none;padding:0;}
.article-body h3{font-size:16.5px;margin:14px 0 8px;color:var(--ink);}
.article-body p{margin:10px 0;}
.article-body ul,.article-body ol{margin:10px 0 10px 24px;}
.article-body blockquote{border-left:4px solid var(--brand);background:#f7faff;padding:10px 14px;margin:12px 0;color:var(--ink-soft);border-radius:0 8px 8px 0;}
.article-body table{margin:10px 0;}
.col-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.col-tabs a{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:6px 16px;font-size:13px;color:var(--ink-soft);}
.col-tabs a:hover{border-color:var(--brand);color:var(--brand);}
.col-tabs a.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:bold;}
@media(max-width:680px){.article-item .thumb,.article-item .ph{width:96px;height:72px;}.article-body,.article-head{padding:16px;}}

/* ---------- 后台栏目配色预览 ---------- */
.cms-preview{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;border:1.5px solid #dbe4f0;background:#fff;color:#5b6b80;white-space:nowrap;max-width:150px;overflow:hidden;text-overflow:ellipsis;}