/* 极速客服中心 — 全站统一样式 (高质感重制版) */
:root{
  --pri:#4f46e5; --pri-2:#7c3aed; --pri-d:#4338ca; --pri-l:#eef2ff; --pri-x:#c7d2fe;
  --bg:#f5f6fb; --bg-2:#eef1f9; --card:#ffffff; --line:#e8eaf2; --line-2:#f1f3f9;
  --txt:#0f172a; --mut:#64748b; --mut-2:#94a3b8;
  --ok:#16a34a; --warn:#eab308; --danger:#ef4444;
  --side:#0b1220; --side-2:#0f1729; --side-line:rgba(255,255,255,.07);
  --r:14px; --r-sm:10px; --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.05);
  --shadow:0 4px 16px rgba(15,23,42,.07),0 2px 6px rgba(15,23,42,.04);
  --shadow-lg:0 18px 50px rgba(79,70,229,.14),0 8px 20px rgba(15,23,42,.08);
  --shadow-pri:0 8px 22px rgba(79,70,229,.28);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body.portal{
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(79,70,229,.10), transparent 55%),
    var(--bg);
  min-height:100vh;
}
a{color:var(--pri);text-decoration:none;transition:color .15s}
a:hover{color:var(--pri-d)}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}

/* ===== 门户导航 ===== */
.p-nav{
  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);position:sticky;top:0;z-index:50;
  box-shadow:0 1px 0 rgba(15,23,42,.02);
}
.p-nav .wrap{display:flex;align-items:center;gap:30px;height:64px}
.p-nav .logo{font-size:20px;font-weight:800;color:var(--txt);letter-spacing:-.3px;display:flex;align-items:center;gap:8px}
.p-nav nav{display:flex;gap:4px;flex:1}
.p-nav nav a{padding:8px 16px;border-radius:10px;color:var(--mut);font-weight:600;font-size:14px;transition:.18s}
.p-nav nav a:hover{background:var(--pri-l);color:var(--pri)}
.p-nav nav a.active{background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;box-shadow:var(--shadow-pri)}
.p-nav-btns{display:flex;gap:10px;align-items:center}
.p-main{min-height:calc(100vh - 134px)}
.p-foot{background:var(--side);color:#94a3b8;font-size:13px;text-align:center;padding:26px 0;margin-top:0}
.p-foot a{color:#c7d2fe}
.p-foot a:hover{color:#fff}

/* ===== 门户 Hero ===== */
.hero{
  position:relative;overflow:hidden;text-align:center;color:#fff;
  padding:104px 0 120px;
  background:
    radial-gradient(800px 420px at 78% 18%, rgba(124,58,237,.55), transparent 60%),
    radial-gradient(700px 380px at 18% 12%, rgba(56,189,248,.38), transparent 58%),
    linear-gradient(135deg,#312e81 0%,#4f46e5 48%,#7c3aed 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1.4px);
  background-size:26px 26px;opacity:.35;mask-image:linear-gradient(to bottom, #000, transparent 80%);
  -webkit-mask-image:linear-gradient(to bottom, #000, transparent 80%);
}
.hero>*{position:relative;z-index:1}
.hero .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.5px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);
  padding:5px 14px;border-radius:99px;margin-bottom:20px}
.hero h1{font-size:46px;font-weight:800;letter-spacing:-1px;margin-bottom:16px;line-height:1.15}
.hero h1 .grad{background:linear-gradient(90deg,#a5f3fc,#c7d2fe);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;opacity:.92;margin-bottom:34px;font-weight:400}
.hero .btn{margin:0 8px}
.hero .glow{position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.25),transparent 70%);top:-160px;left:50%;transform:translateX(-50%);filter:blur(10px)}

/* ===== 特性卡片 ===== */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:22px;margin-top:-62px;position:relative;z-index:2}
.feat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--shadow);transition:transform .25s, box-shadow .25s, border-color .25s;
  position:relative;overflow:hidden;
}
.feat::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--pri),var(--pri-2));opacity:0;transition:opacity .25s}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--pri-x)}
.feat:hover::before{opacity:1}
.feat .ico{font-size:30px;display:inline-flex;width:54px;height:54px;border-radius:14px;
  align-items:center;justify-content:center;background:linear-gradient(135deg,var(--pri-l),#f5f3ff);margin-bottom:14px}
.feat h3{margin:6px 0 8px;font-size:17px;font-weight:700;color:var(--txt)}
.feat p{color:var(--mut);font-size:13.5px;line-height:1.7}

/* ===== 区块 ===== */
.sec{padding:64px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}
.sec h2{text-align:center;font-size:28px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.sec .sub{text-align:center;color:var(--mut);margin-bottom:0;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;
  transition:box-shadow .22s,transform .22s,border-color .22s;position:relative;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--pri-x)}
.card h3{font-size:16px;margin:8px 0;font-weight:700}
.card p{color:var(--mut);font-size:14px;line-height:1.7}
.card .meta{color:var(--mut);font-size:12.5px;margin-top:12px;display:flex;gap:14px;flex-wrap:wrap}
.tag{display:inline-block;background:var(--pri-l);color:var(--pri);font-size:12px;font-weight:600;padding:3px 12px;border-radius:99px}

/* 价格表 */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative;transition:.25s}
.price:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.price.hot{border:1.5px solid transparent;background:
  linear-gradient(var(--card),var(--card)) padding-box,
  linear-gradient(135deg,var(--pri),var(--pri-2)) border-box;box-shadow:var(--shadow-lg)}
.price .ribbon{position:absolute;top:16px;right:-34px;transform:rotate(45deg);background:linear-gradient(135deg,var(--pri),var(--pri-2));
  color:#fff;font-size:11px;font-weight:700;padding:5px 40px;box-shadow:var(--shadow-pri)}
.price h3{font-size:19px;font-weight:800;margin-bottom:6px}
.price .price-num{font-size:38px;font-weight:800;color:var(--txt);letter-spacing:-1px;margin:10px 0 4px}
.price .price-num small{font-size:14px;font-weight:600;color:var(--mut)}
.price ul{list-style:none;margin:16px 0 22px;flex:1}
.price li{padding:7px 0;color:var(--mut);font-size:13.5px;display:flex;align-items:center;gap:9px}
.price li::before{content:"✓";color:var(--ok);font-weight:800;background:#dcfce7;border-radius:50%;width:18px;height:18px;
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0}
.price .btn{width:100%;text-align:center}

/* 详情页 */
.detail-card{max-width:840px;margin:40px auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px 46px;box-shadow:var(--shadow)}
.detail-card h1{font-size:27px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.detail-card .meta{color:var(--mut);font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}
.detail-card h3{margin:24px 0 10px;font-size:18px;font-weight:700;color:var(--pri-d)}
.detail-card p{margin:10px 0;color:#334155;line-height:1.85}
.detail-card code{background:#eef2f7;border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:13px;color:#b91c1c;font-family:"SF Mono",Menlo,Consolas,monospace}
.detail-card pre{background:#0b1220;color:#dbeafe;border-radius:12px;padding:16px 20px;overflow:auto;font-size:13px;margin:14px 0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.detail-card pre code{background:none;border:0;color:inherit;padding:0;font-family:"SF Mono",Menlo,Consolas,monospace}

/* ===== 富文本正文（知识库 / 教程 / 社区） ===== */
.kb-content{font-size:14.5px;line-height:1.95;color:#374151}
.kb-content h3{margin:26px 0 10px;font-size:17px;font-weight:700;color:var(--pri-d);
  padding-left:11px;border-left:3px solid var(--pri)}
.kb-content h4{margin:18px 0 8px;font-size:15px;font-weight:700;color:var(--txt)}
.kb-content p{margin:10px 0}
.kb-content ul,.kb-content ol{margin:12px 0 12px 24px}
.kb-content li{margin:6px 0}
.kb-content ul li{list-style:disc}
.kb-content ol li{list-style:decimal}
.kb-content a{color:var(--pri);text-decoration:underline}
.kb-content code{background:#eef2f7;border:1px solid var(--line);border-radius:5px;
  padding:1px 7px;font-size:13px;color:#b91c1c;font-family:"SF Mono",Menlo,Consolas,monospace}
.kb-content pre{background:#0b1220;color:#dbeafe;border-radius:12px;padding:16px 20px;
  overflow:auto;font-size:13px;margin:14px 0;line-height:1.7;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.kb-content pre code{background:none;border:0;color:inherit;padding:0;font-size:13px}
.kb-content table{width:100%;border-collapse:separate;border-spacing:0;margin:14px 0;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13.5px}
.kb-content th{background:#f8fafc;color:var(--mut);font-weight:700;text-align:left;padding:9px 14px;font-size:12.5px}
.kb-content td{padding:9px 14px;border-top:1px solid var(--line-2)}
.kb-content blockquote{margin:14px 0;padding:10px 16px;background:var(--pri-l);
  border-left:3px solid var(--pri);border-radius:0 8px 8px 0;color:#3730a3}
.kb-content strong,.kb-content b{color:var(--txt);font-weight:700}
.kb-content img{max-width:100%;border-radius:10px;margin:12px 0}

/* ===== 通用组件 ===== */
.btn{display:inline-block;border:0;border-radius:11px;padding:10px 22px;font-size:14px;cursor:pointer;
  font-weight:600;transition:.18s;line-height:1.4;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;box-shadow:var(--shadow-pri)}
.btn-primary:hover{background:linear-gradient(135deg,var(--pri-d),var(--pri));transform:translateY(-1px);color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--pri);color:var(--pri);background:var(--pri-l)}
.btn-danger{background:#fee2e2;color:var(--danger)}
.btn-danger:hover{background:#fecaca}
.btn-sm{padding:6px 14px;font-size:13px;border-radius:9px}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 11px;border-radius:99px;font-size:12px;font-weight:600}
.badge.ok{background:#dcfce7;color:var(--ok)}
.badge.off{background:#f1f5f9;color:var(--mut)}
.badge.warn{background:#fef9c3;color:#a16207}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;margin-bottom:7px;font-size:13.5px;color:#334155}
.form-group .tip{color:var(--mut);font-size:12.5px;margin-top:5px}
input[type=text],input[type=password],input[type=number],input[type=email],select,textarea{
  width:100%;border:1px solid var(--line);border-radius:11px;padding:10px 13px;font-size:14px;
  outline:0;background:#fff;transition:.16s;font-family:inherit;color:var(--txt)}
input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
textarea{min-height:100px;resize:vertical}
.table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm)}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2);font-size:13.5px;vertical-align:middle}
.table th{background:#f8fafc;color:var(--mut);font-weight:700;font-size:12.5px;letter-spacing:.3px;text-transform:uppercase}
.table tr:last-child td{border-bottom:0}
.table tbody tr{transition:background .12s}
.table tbody tr:hover{background:#fafbff}
.alert{border-radius:11px;padding:12px 16px;margin-bottom:18px;font-size:13.5px;font-weight:500;display:flex;align-items:center;gap:8px}
.alert.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.alert.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert.info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.reg-notice{background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(124,58,237,.02));border:1px solid rgba(124,58,237,.18);border-left:4px solid #7c3aed;border-radius:12px;padding:16px 18px;margin-bottom:22px;color:#4b5563;font-size:13px;line-height:1.7}
.reg-notice .rn-head{display:flex;align-items:center;gap:8px;font-weight:700;color:#7c3aed;font-size:14px;margin-bottom:10px}
.reg-notice .rn-head svg{flex-shrink:0}
.reg-notice .rn-list{display:grid;gap:8px}
.reg-notice .rn-item{display:flex;align-items:flex-start;gap:10px}
.reg-notice .rn-icon{width:26px;height:26px;border-radius:7px;background:rgba(124,58,237,.12);color:#7c3aed;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}
.reg-notice .rn-icon svg{width:14px;height:14px}
.reg-notice b{color:#374151;font-weight:600}

/* ===== 后台框架 (汉堡折叠侧栏) ===== */
body.dash{display:flex;min-height:100vh;background:var(--bg)}
.sidebar{width:236px;background:linear-gradient(180deg,var(--side),var(--side-2));color:#cbd5e1;
  display:flex;flex-direction:column;flex-shrink:0;transition:width .24s cubic-bezier(.4,0,.2,1);overflow:hidden;
  box-shadow:4px 0 24px rgba(15,23,42,.18)}
.sidebar.collapsed{width:66px}
.sidebar.collapsed .lbl{opacity:0;width:0;overflow:hidden}
.side-brand{height:62px;display:flex;align-items:center;gap:11px;padding:0 20px;font-weight:800;font-size:16px;color:#fff;
  white-space:nowrap;border-bottom:1px solid var(--side-line);letter-spacing:-.3px}
.side-brand .b-logo{font-size:22px}
.sidebar nav{flex:1;padding:12px 12px;overflow-y:auto}
.sidebar nav::-webkit-scrollbar{width:0}
.nav-item,.hamb-toggle{display:flex;align-items:center;gap:13px;padding:11px 14px;color:#cbd5e1;
  white-space:nowrap;font-size:14px;font-weight:500;border-radius:10px;margin-bottom:3px;transition:.16s}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;box-shadow:var(--shadow-pri);position:relative}
.nav-item.active::before{content:"";position:absolute;left:0;top:18%;height:64%;width:3px;border-radius:0 3px 3px 0;background:#fff}
.hamb-toggle{color:#64748b;font-size:13px;cursor:pointer;margin-top:4px}
.hamb-toggle:hover{color:#fff;background:rgba(255,255,255,.05)}
.ico{width:22px;text-align:center;flex-shrink:0;font-size:16px}
.side-foot{padding:14px 16px;border-top:1px solid var(--side-line);white-space:nowrap;display:flex;align-items:center;gap:10px;font-size:13px}
.side-foot a{color:#cbd5e1;font-size:13px;display:flex;align-items:center;gap:10px}
.side-foot a:hover{color:#fff}
.main{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
.topbar{height:62px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:18px;font-weight:700;flex:1;letter-spacing:-.3px}
.topbar .who{color:var(--mut);font-size:13px;display:flex;align-items:center;gap:8px}
.topbar .who .av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--pri-2));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.hamb-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:17px;padding:4px 12px;cursor:pointer}
.content{padding:24px;flex:1;max-width:1320px;width:100%}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.panel h2{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel h2::before{content:"";width:4px;height:16px;border-radius:3px;background:linear-gradient(var(--pri),var(--pri-2))}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.2s}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat::after{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,70,229,.12),transparent 70%)}
.stat .num{font-size:30px;font-weight:800;color:var(--pri);letter-spacing:-1px;line-height:1.1}
.stat .lab{color:var(--mut);font-size:13px;font-weight:500;margin-top:4px}
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.toolbar .grow{flex:1}

/* ===== 聊天窗 ===== */
.chat-page{height:100vh;display:flex;flex-direction:column;background:
  radial-gradient(900px 500px at 90% -10%, rgba(124,58,237,.08), transparent 60%),var(--bg)}
.chat-head{background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;padding:14px 18px;
  display:flex;align-items:center;gap:11px;box-shadow:var(--shadow-pri);z-index:2}
.chat-head .av{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:18px}
.chat-head .tt{font-weight:700;font-size:15px}
.chat-head .st{font-size:12px;opacity:.9}
.chat-msgs{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:78%;padding:10px 14px;border-radius:16px;font-size:13.5px;word-break:break-word;white-space:pre-wrap;
  box-shadow:var(--shadow-sm);line-height:1.6}
.msg .who{font-size:11px;opacity:.7;margin-bottom:3px;font-weight:600}
.msg.visitor{align-self:flex-end;background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;border-bottom-right-radius:5px}
.msg.agent{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.msg.robot{align-self:flex-start;background:#eef4ff;border:1px solid #d7e4fd;border-bottom-left-radius:5px}
.msg.system{align-self:center;background:#f1f5f9;color:var(--mut);font-size:12px;border-radius:99px;padding:5px 16px;box-shadow:none}
.msg img{max-width:100%;border-radius:10px;display:block}
.chat-foot{border-top:1px solid var(--line);background:#fff;padding:12px;display:flex;gap:10px;align-items:flex-end;
  box-shadow:0 -4px 16px rgba(15,23,42,.04)}
.chat-foot textarea{flex:1;min-height:46px;max-height:120px;border:1px solid var(--line);border-radius:12px;padding:11px 14px;
  resize:none;outline:0;font-size:13.5px;font-family:inherit;transition:.16s}
.chat-foot textarea:focus{border-color:var(--pri);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.chat-foot .send{background:linear-gradient(135deg,var(--pri),var(--pri-2));color:#fff;border:0;border-radius:12px;
  padding:0 20px;font-weight:700;cursor:pointer;font-size:14px;box-shadow:var(--shadow-pri);transition:.16s}
.chat-foot .send:hover{transform:translateY(-1px)}
.icon-btn{border:0;background:none;font-size:22px;cursor:pointer;padding:6px 8px;border-radius:10px;transition:.15s}
.icon-btn:hover{background:var(--pri-l)}

/* ===== 专业分栏式认证页（登录 / 注册） ===== */
.auth-split{display:flex;min-height:100vh;background:#fff}
.auth-brand{flex:1.05;position:relative;overflow:hidden;padding:52px 58px;display:flex;flex-direction:column;
  background:linear-gradient(148deg,#312e81 0%,#4f46e5 48%,#7c3aed 100%);color:#fff}
.auth-brand::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.15),transparent 66%);top:-190px;right:-160px}
.auth-brand::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:26px 26px;opacity:.55}
.auth-brand>*{position:relative;z-index:1}
.auth-brand.admin{background:linear-gradient(148deg,#0f172a 0%,#1e293b 40%,#334155 100%)}
.brand-logo{display:flex;align-items:center;gap:11px;font-size:16.5px;font-weight:700;letter-spacing:.2px}
.brand-logo .mk{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:38px 0}
.brand-body h2{font-size:33px;font-weight:800;line-height:1.28;letter-spacing:-.8px;margin-bottom:14px}
.brand-body p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.8);max-width:400px;margin-bottom:30px}
.brand-feats{display:flex;flex-direction:column;gap:15px}
.brand-feats div{display:flex;align-items:flex-start;gap:11px;font-size:14px;color:rgba(255,255,255,.92);line-height:1.55}
.brand-feats .ck{width:21px;height:21px;border-radius:50%;background:rgba(255,255,255,.18);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;margin-top:1px}
.brand-steps{counter-reset:s;display:flex;flex-direction:column;gap:17px;margin-bottom:28px}
.brand-steps div{display:flex;gap:13px;align-items:flex-start}
.brand-steps .n{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.2);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.brand-steps b{display:block;font-size:14.5px;font-weight:600;margin-bottom:2px}
.brand-steps span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.55}
.brand-foot{font-size:12.5px;color:rgba(255,255,255,.55);display:flex;gap:20px;flex-wrap:wrap}
.brand-foot a{color:rgba(255,255,255,.78)}
.auth-form{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 42px;background:#fff}
.auth-form-inner{width:100%;max-width:392px}
.af-head{margin-bottom:30px}
.af-head .ic{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,var(--pri),var(--pri-2));
  display:flex;align-items:center;justify-content:center;margin-bottom:19px;box-shadow:0 8px 22px rgba(79,70,229,.28)}
.af-head h1{font-size:25px;font-weight:800;letter-spacing:-.6px;margin-bottom:7px;color:var(--txt)}
.af-head p{font-size:13.5px;color:var(--mut);line-height:1.6}
.af-label{display:block;font-size:13px;font-weight:600;color:#334155;margin-bottom:7px}
.fi{position:relative;margin-bottom:17px}
.fi .ic-l{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#94a3b8;pointer-events:none;display:flex}
.fi input{width:100%;height:47px;border:1px solid var(--line);border-radius:12px;padding:0 44px 0 42px;
  font-size:14px;outline:0;background:#fff;transition:.16s;font-family:inherit;color:var(--txt)}
.fi input::placeholder{color:#a8b2c1}
.fi input:focus{border-color:var(--pri);box-shadow:0 0 0 4px rgba(79,70,229,.11)}
.fi .eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border:0;background:none;
  cursor:pointer;color:#94a3b8;display:flex;align-items:center;justify-content:center;border-radius:8px}
.fi .eye:hover{color:var(--pri);background:#f1f5f9}
.fi .tip{color:var(--mut);font-size:12.5px;margin-top:6px;line-height:1.5}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.af-btn{width:100%;height:48px;border:0;border-radius:12px;font-size:14.5px;font-weight:600;cursor:pointer;
  font-family:inherit;color:#fff;background:linear-gradient(135deg,var(--pri),var(--pri-2));
  box-shadow:0 8px 22px rgba(79,70,229,.26);transition:.18s;margin-top:6px}
.af-btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(79,70,229,.34)}
.af-btn.admin{background:linear-gradient(135deg,#1e293b,#334155);box-shadow:0 8px 22px rgba(15,23,42,.24)}
.af-btn.admin:hover{box-shadow:0 12px 28px rgba(15,23,42,.32)}
.af-alt{text-align:center;font-size:13px;color:var(--mut);margin-top:22px;line-height:1.9}
.af-alt a{color:var(--pri);font-weight:600}
.af-alt a:hover{text-decoration:underline}
.af-secure{display:flex;align-items:center;justify-content:center;gap:6px;font-size:12px;color:#94a3b8;margin-top:20px}
.af-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:44px}
.af-back:hover{color:#fff}
@media(max-width:900px){
  .auth-brand{display:none}
  .auth-form{padding:40px 22px;align-items:flex-start;padding-top:8vh}
  .form-row{grid-template-columns:1fr}
}

/* ===== 旧版居中登录卡（保留兼容） ===== */
.auth-box{max-width:400px;margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px 36px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.auth-box::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--pri),var(--pri-2))}
.auth-box h1{font-size:23px;font-weight:800;text-align:center;margin-bottom:6px;letter-spacing:-.5px}
.auth-box .sub{text-align:center;color:var(--mut);font-size:13.5px;margin-bottom:26px}
.auth-box .btn{width:100%;margin-top:8px;text-align:center}
.auth-tip{text-align:center;color:var(--mut);font-size:13px;margin-top:18px}
.auth-wrap{min-height:100vh;display:flex;align-items:center;background:
  radial-gradient(900px 500px at 85% -10%, rgba(124,58,237,.12), transparent 60%),
  radial-gradient(800px 500px at 0% 110%, rgba(79,70,229,.12), transparent 55%),var(--bg)}

/* 滚动条美化 */
*::-webkit-scrollbar{width:9px;height:9px}
*::-webkit-scrollbar-thumb{background:#cdd3e0;border-radius:9px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:#aab2c5;background-clip:content-box}
*::-webkit-scrollbar-track{background:transparent}

/* ===== 响应式 ===== */
@media(max-width:860px){
  .sidebar{position:fixed;z-index:100;height:100vh;left:0;box-shadow:0 0 30px rgba(0,0,0,.3)}
  .sidebar.collapsed{width:0;transform:translateX(-100%)}
  .hamb-btn{display:inline-block}
  .p-nav .wrap{gap:10px}.p-nav nav{gap:0}.p-nav nav a{padding:7px 10px;font-size:13px}
  .p-nav-btns{display:none}
  .content{padding:16px}
  .hero h1{font-size:34px}
  .feat-grid{margin-top:-44px}
}

/* ===== 工单图片网格 ===== */
.img-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.img-cell{position:relative;width:96px;height:96px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#f1f3f9;cursor:pointer;transition:.15s}
.img-cell:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.img-cell img{width:100%;height:100%;object-fit:cover;display:block}
.img-cell .rm{position:absolute;top:4px;right:4px;width:20px;height:20px;border:0;border-radius:50%;background:rgba(15,23,42,.62);color:#fff;font-size:13px;line-height:20px;text-align:center;cursor:pointer;display:none}
.img-cell:hover .rm{display:block}
.img-upload{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px dashed var(--line);border-radius:12px;color:var(--mut);font-size:13px;cursor:pointer;background:#fff;transition:.15s}
.img-upload:hover{border-color:var(--pri);color:var(--pri);background:var(--pri-l)}
.img-upload input{display:none}
.img-hint{font-size:12.5px;color:var(--mut);margin-top:6px}
.img-lightbox{position:fixed;inset:0;background:rgba(15,23,42,.86);display:none;align-items:center;justify-content:center;z-index:9999;padding:30px}
.img-lightbox.show{display:flex}
.img-lightbox img{max-width:92vw;max-height:92vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.img-lightbox .close{position:absolute;top:22px;right:26px;color:#fff;font-size:30px;cursor:pointer;line-height:1}

/* ===== 社区代码框 ===== */
.code-box{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.code-hd{background:#f1f5f9;border-bottom:1px solid var(--line);padding:8px 12px;font-size:12.5px;color:var(--mut);display:flex;align-items:center;gap:6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace}
.code-area{width:100%;min-height:220px;border:0;border-radius:0;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:13px;line-height:1.7;background:#f8fafc;color:#1e293b;resize:vertical;outline:0}
.code-area:focus{background:#fff;box-shadow:inset 0 0 0 2px rgba(79,70,229,.12)}
.code-block{background:#0f172a;color:#e2e8f0;border-radius:var(--r);padding:18px 20px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.code-block code{display:block}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);cursor:pointer;margin-top:8px}
.check input{width:16px;height:16px;accent-color:var(--pri)}
.badge.code{background:#eef2ff;color:var(--pri);border:1px solid var(--pri-x);font-size:11px;padding:2px 8px;border-radius:99px}

/* ===== 富文本编辑器（wangEditor） ===== */
.editor-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.editor-toolbar{border-bottom:1px solid var(--line);background:#f8fafc}
.editor-container{min-height:260px;background:#fff}
.editor-container .w-e-text-container{background:transparent!important}
.editor-container .w-e-text-placeholder{color:var(--mut)!important;opacity:.7}