/* ============================================================
   智灵界科技 全局样式 v2 - 现代设计体系
   兼容全部既有 class 命名，统一视觉语言
   ============================================================ */
:root{
  --primary:#3b5bfd;
  --primary-dark:#2f46d8;
  --primary-light:#eef1ff;
  --grad:linear-gradient(135deg,#3b5bfd 0%,#7c3aed 100%);
  --grad-soft:linear-gradient(135deg,rgba(59,91,253,.08),rgba(124,58,237,.08));
  --bg:#f4f6fb;
  --card:#fff;
  --border:#e6eaf2;
  --text:#1b2437;
  --text2:#5c6b84;
  --text3:#9aa6ba;
  --green:#16a34a; --green-bg:#ecfdf3;
  --red:#dc2626;   --red-bg:#fef2f2;
  --orange:#d97706;--orange-bg:#fffbeb;
  --gray:#64748b;  --gray-bg:#f1f5f9;
  --radius:12px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 1px 3px rgba(16,24,40,.06),0 4px 14px rgba(16,24,40,.04);
  --shadow-md:0 8px 24px rgba(16,24,40,.08);
  --shadow-lg:0 20px 48px rgba(16,24,40,.14);
  --ring:0 0 0 3px rgba(59,91,253,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.65}
a{color:var(--primary);text-decoration:none;transition:color .15s}
a:hover{color:var(--primary-dark)}
img{max-width:100%}
input,select,textarea{font-family:inherit}
button{font-family:inherit}
::selection{background:rgba(59,91,253,.18)}

/* ---------- 顶部导航 ---------- */
.navbar{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.navbar-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;height:62px;padding:0 22px;gap:26px}
.brand{display:flex;align-items:center;gap:11px;font-size:17.5px;font-weight:800;color:var(--text);letter-spacing:.2px}
.brand img{height:32px;width:auto;border-radius:6px}
.brand .logo-dot{width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;box-shadow:0 4px 12px rgba(59,91,253,.35)}
.nav-links{display:flex;gap:2px;flex:1}
.nav-links a{padding:8px 15px;border-radius:9px;color:var(--text2);font-size:14px;font-weight:500}
.nav-links a:hover{background:var(--gray-bg);color:var(--text)}
.nav-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;font-size:14px}
.nav-right>a:not(.btn){color:var(--text2);font-weight:500}
.nav-right>a:not(.btn):hover{color:var(--primary)}
.nav-user{display:flex;align-items:center;gap:9px;cursor:pointer;position:relative;padding:6px 10px;border-radius:10px;transition:background .15s}
.nav-user:hover{background:var(--gray-bg)}
.nav-user .avatar{width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;box-shadow:0 2px 8px rgba(59,91,253,.3)}
.nav-user .balance-pill{background:var(--orange-bg);color:var(--orange);font-weight:700;font-size:12.5px;padding:2px 10px;border-radius:20px}
.nav-user .caret{color:var(--text3);font-size:10px}
.dropdown{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);min-width:172px;padding:6px;display:none;z-index:200;animation:fadeIn .16s ease}
.dropdown.show{display:block}
.dropdown a{display:block;padding:9px 13px;border-radius:8px;color:var(--text);font-size:13.5px}
.dropdown a:hover{background:var(--primary-light);color:var(--primary)}
.dropdown .drop-hr{height:1px;background:var(--border);margin:5px 8px}

/* ---------- 容器/面板 ---------- */
.container{max-width:1240px;margin:0 auto;padding:26px 22px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.page-title{font-size:21px;font-weight:800;letter-spacing:.2px}
.page-sub{color:var(--text2);font-size:13px;margin-top:3px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px;transition:box-shadow .2s}
.card-head{padding:15px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:14.5px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-body{padding:20px}
.card-body.p0{padding:0}

/* ---------- 布局(用户面板) ---------- */
.layout{display:flex;max-width:1240px;margin:26px auto;padding:0 22px;gap:22px;align-items:flex-start}
.sidebar{width:216px;flex-shrink:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);position:sticky;top:84px;overflow:hidden}
.sidebar .side-user{padding:22px 16px 18px;border-bottom:1px solid var(--border);text-align:center;background:linear-gradient(180deg,var(--grad-soft),transparent)}
.sidebar .side-user .avatar{width:52px;height:52px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 9px;box-shadow:0 6px 16px rgba(59,91,253,.35)}
.sidebar .side-user .name{font-weight:700;font-size:14.5px}
.sidebar .side-user .bal{color:var(--text2);font-size:12.5px;margin-top:6px}
.sidebar .side-user .bal b{color:var(--primary);font-size:14px}
.sidebar .menu{padding:10px 10px 14px}
.sidebar .menu .m-title{font-size:11.5px;color:var(--text3);padding:14px 12px 5px;letter-spacing:.5px}
.sidebar .menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--text2);font-size:13.5px;font-weight:500;margin-bottom:1px}
.sidebar .menu a:hover{background:var(--gray-bg);color:var(--text)}
.sidebar .menu a.active{background:var(--primary-light);color:var(--primary);font-weight:700;box-shadow:inset 0 0 0 1px rgba(59,91,253,.08)}
.sidebar .menu .icon{width:18px;text-align:center;flex-shrink:0;font-size:15px}
.main{flex:1;min-width:0}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto}
table.table{width:100%;border-collapse:collapse}
.table th{background:var(--gray-bg);color:var(--text2);font-size:12.5px;font-weight:600;text-align:left;padding:11px 16px;white-space:nowrap;letter-spacing:.3px}
.table td{padding:12px 16px;border-top:1px solid var(--border);font-size:13.5px;vertical-align:middle}
.table tbody tr{transition:background .12s}
.table tbody tr:hover{background:#f8faff}
.table .empty{text-align:center;color:var(--text3);padding:44px 0;font-size:13.5px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8.5px 18px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:500;cursor:pointer;transition:all .16s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 12px rgba(59,91,253,.28)}
.btn-primary:hover{background:linear-gradient(135deg,#2f4df0,#6d28d9);color:#fff;box-shadow:0 6px 16px rgba(59,91,253,.34)}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:#15803d;color:#fff}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#b91c1c;color:#fff}
.btn-warning{background:var(--orange);color:#fff}
.btn-warning:hover{background:#b45309;color:#fff}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text2)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn-sm{padding:4.5px 11px;font-size:12.5px;border-radius:7px}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- 表单 ---------- */
.form-group{margin-bottom:17px}
.form-group label{display:block;font-size:13px;color:var(--text2);margin-bottom:6px;font-weight:600}
.form-control{width:100%;padding:9.5px 13px;border:1px solid var(--border);border-radius:9px;font-size:14px;background:#fff;color:var(--text);transition:all .15s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}
.form-control::placeholder{color:var(--text3)}
textarea.form-control{resize:vertical;min-height:90px}
.form-help{font-size:12px;color:var(--text3);margin-top:4px}
.form-row2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px}

/* ---------- 提示 ---------- */
.alert{padding:11px 15px;border-radius:9px;font-size:13.5px;margin-bottom:16px}
.alert-success{background:var(--green-bg);color:#166534;border:1px solid #bbf7d0}
.alert-danger{background:var(--red-bg);color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:var(--orange-bg);color:#92400e;border:1px solid #fde68a}
.alert-info{background:var(--primary-light);color:var(--primary-dark);border:1px solid #c7d2fe}

/* ---------- 徽章 ---------- */
.badge{display:inline-block;padding:2.5px 10px;border-radius:20px;font-size:12px;font-weight:600;line-height:1.6}
.badge-green{background:var(--green-bg);color:#15803d}
.badge-red{background:var(--red-bg);color:#b91c1c}
.badge-orange{background:var(--orange-bg);color:#b45309}
.badge-gray{background:var(--gray-bg);color:var(--gray)}
.badge-blue{background:var(--primary-light);color:var(--primary-dark)}

/* ---------- 统计卡片 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:15px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:.85}
.stat .num{font-size:26px;font-weight:800;color:var(--text);line-height:1.3}
.stat .num small{font-size:13px;color:var(--text2);font-weight:500}
.stat .lab{color:var(--text2);font-size:12.5px;margin-top:3px}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:6px;list-style:none;margin-top:18px;flex-wrap:wrap}
.pagination li a,.pagination li span{display:block;padding:7px 13px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text2);font-size:13px;transition:all .15s}
.pagination li a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.pagination li.active span{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);z-index:999;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:14px;width:480px;max-width:100%;max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg);animation:popIn .2s ease}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:700;display:flex;justify-content:space-between;align-items:center}
.modal-close{cursor:pointer;color:var(--text3);font-size:20px;background:none;border:0;line-height:1;padding:4px;border-radius:6px;transition:all .15s}
.modal-close:hover{color:var(--text);background:var(--gray-bg)}
.modal-body{padding:20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto}
.tabs a{padding:10px 17px;color:var(--text2);font-size:14px;border-bottom:2px solid transparent;white-space:nowrap;font-weight:500}
.tabs a:hover{color:var(--text)}
.tabs a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700}

/* ---------- 登录/注册 ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#151e3d 0%,#3b5bfd 58%,#7c3aed 100%);padding:24px;position:relative;overflow:hidden}
.auth-wrap::before,.auth-wrap::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.auth-wrap::before{width:380px;height:380px;background:#7c3aed;top:-120px;right:-80px}
.auth-wrap::after{width:320px;height:320px;background:#3b5bfd;bottom:-110px;left:-60px}
.auth-box{width:412px;max-width:100%;background:#fff;border-radius:18px;padding:38px 38px 30px;box-shadow:var(--shadow-lg);position:relative;z-index:1;animation:popIn .3s ease}
.auth-box .auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:10px}
.auth-box .auth-logo img{max-height:44px;border-radius:8px}
.auth-box .auth-logo .logo-dot{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;box-shadow:0 6px 16px rgba(59,91,253,.35)}
.auth-box h1{font-size:21px;text-align:center;font-weight:800}
.auth-box .auth-sub{text-align:center;color:var(--text2);font-size:13.5px;margin:7px 0 24px}
.auth-tabs{display:flex;margin-bottom:22px;background:var(--gray-bg);border-radius:11px;padding:4px;gap:4px}
.auth-tabs a{flex:1;text-align:center;padding:8.5px;border-radius:8px;color:var(--text2);font-size:14px;font-weight:500}
.auth-tabs a.active{background:#fff;color:var(--primary);font-weight:700;box-shadow:var(--shadow-sm)}
.auth-foot{text-align:center;font-size:13px;color:var(--text2);margin-top:20px}

/* ---------- 首页 hero / 域名查询 ---------- */
.hero{background:linear-gradient(135deg,#141c3d 0%,#3147c9 55%,#6d28d9 100%);color:#fff;padding:64px 20px 72px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(255,255,255,.06);top:-240px;right:-120px}
.hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.05);bottom:-200px;left:-100px}
.hero>*{position:relative;z-index:1}
.hero h1{font-size:34px;font-weight:800;letter-spacing:.5px;margin-bottom:12px}
.hero p{color:#d9e1ff;font-size:15.5px;margin-bottom:30px}
.search-box{max-width:700px;margin:0 auto;display:flex;background:#fff;border-radius:14px;padding:7px;gap:8px;box-shadow:0 18px 48px rgba(10,14,40,.35)}
.search-box input{flex:1;border:0;font-size:16px;padding:11px 15px;outline:none;color:var(--text);background:transparent}
.search-box select{border:1px solid var(--border);border-radius:9px;padding:7px 9px;color:var(--text2);background:#fff}
.search-box .btn{font-size:15px;padding:11px 28px;border-radius:10px}
.search-tips{color:#c7d2fe;font-size:12.5px;margin-top:15px}
.tld-chips{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.tld-chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:12px 20px;border-radius:12px;text-align:center;cursor:pointer;transition:all .18s;backdrop-filter:blur(4px)}
.tld-chip:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.tld-chip .t{font-weight:700;font-size:16px}
.tld-chip .p{font-size:12px;color:#dbe3ff;margin-top:2px}

/* ---------- 套餐 ---------- */
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.pkg{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px 24px;text-align:center;position:relative;transition:all .22s}
.pkg:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(59,91,253,.35)}
.pkg.hot{border-color:var(--primary);box-shadow:0 8px 26px rgba(59,91,253,.14)}
.pkg .hot-tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:11.5px;padding:3px 13px;border-radius:20px;font-weight:600;box-shadow:0 4px 10px rgba(59,91,253,.35)}
.pkg .pkg-name{font-size:16.5px;font-weight:800}
.pkg .pkg-price{font-size:32px;font-weight:800;color:var(--primary);margin:12px 0 3px;background:var(--grad-soft);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pkg .pkg-price small{font-size:13px;color:var(--text3);font-weight:400;-webkit-text-fill-color:var(--text3)}
.pkg .pkg-desc{color:var(--text2);font-size:13px;margin-bottom:15px;min-height:40px}
.pkg .pkg-features{text-align:left;font-size:13px;color:var(--text2);margin-bottom:20px}
.pkg .pkg-features li{list-style:none;padding:4.5px 0}
.pkg .pkg-features li::before{content:"✓ ";color:var(--green);font-weight:700}

/* ---------- 代码块 ---------- */
.code-box{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:15px 17px;font-family:Consolas,Menlo,monospace;font-size:12.5px;overflow-x:auto;line-height:1.75}
.code-box .c-k{color:#7dd3fc}.code-box .c-s{color:#86efac}.code-box .c-c{color:#64748b}
pre.code-box{white-space:pre-wrap;word-break:break-all}
.copy-btn{cursor:pointer;color:var(--text3);transition:color .15s}
.copy-btn:hover{color:var(--primary)}

/* ---------- 其他工具类 ---------- */
.mt10{margin-top:10px}.mt16{margin-top:16px}.mt20{margin-top:20px}.mt30{margin-top:30px}
.mb16{margin-bottom:16px}
.flex{display:flex;align-items:center;gap:10px}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.text-green{color:var(--green)}.text-red{color:var(--red)}.text-orange{color:var(--orange)}.text-gray{color:var(--text2)}
.money{color:var(--orange);font-weight:700}
.muted{color:var(--text3);font-size:12.5px}
.avatar-lg{width:66px;height:66px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;box-shadow:0 8px 20px rgba(59,91,253,.35)}
.site-footer{text-align:center;color:var(--text3);font-size:12.5px;padding:26px 0 34px}
.ico{width:18px;height:18px;display:inline-block;vertical-align:-3px}
.page-divider{height:1px;background:var(--border);margin:26px 0}

/* ---------- 后台布局 ---------- */
.admin-layout{display:flex;min-height:100vh}
.admin-side{width:224px;flex-shrink:0;background:linear-gradient(180deg,#101a38 0%,#0d1326 100%);color:#cbd5e1;padding:20px 14px;position:sticky;top:0;height:100vh;overflow-y:auto;scrollbar-width:thin}
.admin-side::-webkit-scrollbar{width:4px}
.admin-side::-webkit-scrollbar-thumb{background:#334155;border-radius:4px}
.admin-side .a-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:16px;font-weight:800;padding:2px 10px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px;letter-spacing:.3px}
.admin-side .a-brand .logo-dot{width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:0 4px 14px rgba(59,91,253,.5)}
.admin-side .m-title{font-size:11px;color:#5b6b8c;padding:14px 12px 5px;letter-spacing:.6px}
.admin-side a.m-item{display:flex;align-items:center;gap:11px;padding:9.5px 12px;border-radius:9px;color:#aeb9d1;font-size:13.5px;margin-bottom:2px;font-weight:500;transition:all .15s}
.admin-side a.m-item:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-side a.m-item.active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(59,91,253,.4)}
.admin-side .m-icon{width:18px;text-align:center;flex-shrink:0;font-size:15px}
.admin-main{flex:1;min-width:0;display:flex;flex-direction:column}
.admin-top{background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:50}
.admin-top .at-title{font-size:17px;font-weight:800}
.admin-top .at-right{display:flex;align-items:center;gap:12px;font-size:13.5px}
.admin-top .at-user{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;border-radius:30px;border:1px solid var(--border);background:#fff}
.admin-top .at-user .avatar{width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:600}
.admin-content{padding:24px 26px;flex:1}
@media (max-width:900px){.admin-side{width:60px}.admin-side .a-brand span:not(.logo-dot),.admin-side .m-title,.admin-side a.m-item span{display:none}.admin-side a.m-item{justify-content:center}}

/* ---------- 动画 ---------- */
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,-12px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .layout{flex-direction:column}
  .sidebar{width:100%;position:static}
  .sidebar .side-user{display:none}
  .sidebar .menu{display:flex;flex-wrap:wrap;gap:4px}
  .sidebar .menu .m-title{display:none}
  .form-row2,.form-row3{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero h1{font-size:26px}
  .search-box{flex-wrap:wrap}
  .search-box input{min-width:100%}
}