/* 鲸浪特邀验证系统 —— 前后台共用样式 */
:root{
  --bg:#f2f7fb; --card:#ffffff; --ink:#0f2740; --muted:#6b8199; --line:#dce8f2;
  --brand:#0b63a5; --brand-2:#0fa3a3; --grad:linear-gradient(135deg,#0a4c8c 0%,#0f8fb5 55%,#12b0a6 100%);
  --ok:#0e9f6e; --ok-bg:#e7f7ef; --warn:#c2740a; --warn-bg:#fff4e0;
  --err:#d23b3b; --err-bg:#fdeceb; --soft:#eaf5fb;
  --shadow:0 10px 34px rgba(12,64,105,.09); --shadow-sm:0 3px 12px rgba(12,64,105,.07);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  color:var(--ink); background:var(--bg); font-size:14px; line-height:1.6;
  -webkit-font-smoothing:antialiased; min-height:100vh;
}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
button{cursor:pointer}
.hidden{display:none !important}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- 顶栏 ---------- */
.topbar{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
.topbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:0 5px 14px rgba(11,99,165,.28)}
.brand-mark svg{width:25px;height:25px}
.brand b{font-size:17px;letter-spacing:1px;display:block;line-height:1.15}
.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:2px;margin-top:2px}
.topbar-right{display:flex;align-items:center;gap:18px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--soft);color:var(--brand);border:1px solid #c9e3f3;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2)}
.link{font-size:13px;font-weight:600}
.link:hover{text-decoration:underline}

/* ---------- 前台 ---------- */
.page-bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.page-bg svg{position:absolute;bottom:0;left:0;width:100%;height:320px;opacity:.5}
main.front{position:relative;z-index:1;padding:44px 0 30px}
.hero{text-align:center;margin-bottom:30px}
.hero-tag{display:inline-block;font-size:11px;letter-spacing:3px;color:var(--brand-2);font-weight:700;margin-bottom:10px}
.hero h1{font-size:34px;line-height:1.3;margin:0 0 10px;letter-spacing:1px;font-weight:800}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);margin:0;font-size:14px}
.verify-card{max-width:520px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px 32px 32px}
.steps{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.step{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;white-space:nowrap}
.step .num{width:22px;height:22px;border-radius:50%;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:11px}
.step.active .num{background:var(--grad);color:#fff}
.step.active{color:var(--ink);font-weight:600}
.step-line{flex:1;height:1px;background:var(--line);margin:0 12px}
.field-label{display:block;font-size:13px;font-weight:600;margin:18px 0 8px}
.field-label .req{color:var(--err)}
.input{width:100%;height:46px;border:1px solid var(--line);background:#fbfdff;border-radius:10px;padding:0 14px;color:var(--ink);transition:.18s}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,99,165,.1);background:#fff}
.input::placeholder{color:#9ab0c4}
.phone-row{display:flex;align-items:stretch}
.phone-row .prefix{height:46px;display:flex;align-items:center;padding:0 14px;background:var(--soft);border:1px solid var(--line);border-right:0;border-radius:10px 0 0 10px;color:var(--brand);font-weight:700}
.phone-row .input{border-radius:0 10px 10px 0;letter-spacing:1px;font-size:16px;font-weight:600}
.captcha-row{display:flex;gap:10px}
.captcha-row img{width:140px;height:46px;border-radius:8px;border:1px solid var(--line);cursor:pointer;flex:none;background:var(--soft)}
.captcha-row .input{flex:1;min-width:0;text-transform:uppercase;letter-spacing:2px}
.btn{border:0;border-radius:10px;padding:0 18px;height:46px;font-weight:700;transition:.18s;white-space:nowrap}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(11,99,165,.22)}
.btn.primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.primary:disabled{opacity:.55;cursor:not-allowed;transform:none;filter:none}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
.btn.ghost:hover{border-color:var(--brand);background:var(--soft)}
.btn.small{height:34px;padding:0 13px;font-size:12px;border-radius:8px}
.btn.danger{background:#fff;border:1px solid #f2c7c7;color:var(--err)}
.btn.danger:hover{background:var(--err-bg)}
.btn.block{width:100%;margin-top:22px;height:48px;font-size:15px;letter-spacing:2px}
.code-boxes{display:flex;gap:9px}
.code-boxes input{width:100%;height:54px;text-align:center;font-size:24px;font-weight:700;border:1px solid var(--line);border-radius:10px;background:#fbfdff;color:var(--ink);transition:.18s}
.code-boxes input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,99,165,.1);background:#fff}
.hint-row{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--muted)}
.hint-row a{cursor:pointer}
.hint-row a.disabled{color:#a9bccd;pointer-events:none}
.msg{margin-top:18px;padding:12px 14px;border-radius:10px;font-size:13px;font-weight:600;display:flex;gap:9px;align-items:flex-start}
.msg.error{background:var(--err-bg);color:var(--err);border:1px solid #f6cccc}
.msg.warn{background:var(--warn-bg);color:var(--warn);border:1px solid #f4dcb0}
.msg.info{background:var(--soft);color:var(--brand);border:1px solid #c9e3f3}
.msg.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bfe9d5}
.demo-tip{margin-top:12px;padding:10px 13px;border:1px dashed #f0c98a;background:#fffaf0;border-radius:10px;color:var(--warn);font-size:12.5px}
.demo-tip b{font-size:17px;letter-spacing:4px;color:#a15c00;margin-left:6px}
.success{text-align:center;padding:8px 0 4px}
.success .circle{width:74px;height:74px;border-radius:50%;margin:6px auto 16px;background:var(--ok-bg);display:grid;place-items:center;box-shadow:0 0 0 8px rgba(14,159,110,.07)}
.success .circle svg{width:38px;height:38px}
.success h2{font-size:24px;margin:0 0 6px;letter-spacing:2px}
.success .badge-big{display:inline-flex;align-items:center;gap:7px;background:var(--ok);color:#fff;border-radius:999px;padding:7px 18px;font-weight:700;letter-spacing:1px;margin:12px 0 18px}
.success .meta{background:#f6fbf9;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:left;font-size:13px;color:var(--muted)}
.success .meta div{display:flex;justify-content:space-between;padding:4px 0}
.success .meta b{color:var(--ink);font-weight:600}
.notes{max-width:520px;margin:22px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.note{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:12px;padding:13px;text-align:center;font-size:12px;color:var(--muted)}
.note .ico{font-size:17px;color:var(--brand);display:block;margin-bottom:4px;font-weight:700}
footer.front-foot{position:relative;z-index:1;text-align:center;color:#8aa2b7;font-size:12px;padding:26px 0 30px}

/* ---------- 后台通用 ---------- */
.admin-body{background:#f4f8fc}
.admin-shell{display:flex;min-height:100vh}
.sidebar{width:218px;flex:none;background:#0d2f4f;color:#c7dcea;padding:22px 14px;position:sticky;top:0;height:100vh;overflow:auto}
.sidebar .logo{display:flex;align-items:center;gap:10px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:16px}
.sidebar .logo .brand-mark{width:34px;height:34px;border-radius:10px}
.sidebar .logo b{color:#fff;font-size:15px;letter-spacing:1px;display:block}
.sidebar .logo small{font-size:10px;letter-spacing:1px;color:#8fb3cc}
.nav-group-title{font-size:10px;letter-spacing:2px;color:#6d94b2;padding:10px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:#c7dcea;font-size:13.5px;cursor:pointer;margin-bottom:3px;transition:.15s;user-select:none}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:linear-gradient(90deg,rgba(18,176,166,.3),rgba(255,255,255,.06));color:#fff;font-weight:600}
.nav-item .ico{width:18px;text-align:center;font-size:15px}
.sidebar-foot{position:absolute;bottom:18px;left:14px;right:14px;font-size:11px;color:#6d94b2;border-top:1px solid rgba(255,255,255,.09);padding-top:12px}
.admin-main{flex:1;min-width:0}
.admin-top{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:10}
.admin-top h2{font-size:16px;margin:0;font-weight:700}
.admin-top .right{display:flex;align-items:center;gap:12px}
.mode-chip{font-size:11.5px;padding:5px 11px;border-radius:999px;font-weight:600}
.mode-chip.demo{background:var(--warn-bg);color:var(--warn)}
.mode-chip.live{background:var(--ok-bg);color:var(--ok)}
.admin-content{padding:24px 26px 50px;max-width:1400px}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);padding:20px;margin-bottom:18px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h3{margin:0;font-size:15px;font-weight:700}
.panel-head .sub{font-size:12px;color:var(--muted);margin-top:2px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.stat .label{font-size:12px;color:var(--muted)}
.stat .value{font-size:28px;font-weight:800;line-height:1.3;margin-top:4px;letter-spacing:1px}
.stat .foot{font-size:11px;color:var(--muted);margin-top:2px}
.stat.a .value{color:var(--brand)} .stat.b .value{color:var(--brand-2)}
.stat.c .value{color:var(--ok)} .stat.d .value{color:var(--warn)}
.progress{height:9px;background:var(--soft);border-radius:99px;overflow:hidden;margin-top:8px}
.progress span{display:block;height:100%;background:var(--grad);border-radius:99px}
.grid-2{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.form-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.form-row .input{flex:1;min-width:180px;height:40px}
.form-row .btn{height:40px}
label.lbl{font-size:12.5px;font-weight:600;display:block;margin:14px 0 6px}
.hint{font-size:11.5px;color:var(--muted);margin-top:5px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:11px}
table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
th{background:#f7fbfe;color:var(--muted);font-weight:600;text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:12px}
td{padding:11px 14px;border-bottom:1px solid #edf3f8}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f9fcfe}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.4px;font-weight:600}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700}
.badge.ok{background:var(--ok-bg);color:var(--ok)}
.badge.pending{background:var(--warn-bg);color:var(--warn)}
.badge.gray{background:#eef3f7;color:var(--muted)}
.count-pill{display:inline-block;min-width:26px;text-align:center;background:var(--soft);color:var(--brand);border-radius:7px;padding:2px 7px;font-weight:700;font-size:12px}
.empty{text-align:center;color:var(--muted);padding:34px 10px;font-size:13px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar select,.toolbar input{height:38px;border:1px solid var(--line);border-radius:9px;padding:0 11px;background:#fff;color:var(--ink)}
.toolbar select{min-width:150px} .toolbar input{min-width:190px}
.toolbar .btn{height:38px}
.drop{border:2px dashed #bcd9ec;border-radius:12px;background:#f8fcff;padding:18px;text-align:center;transition:.18s;cursor:pointer}
.drop:hover,.drop.over{border-color:var(--brand);background:#eef8ff}
.drop .big{font-size:22px;color:var(--brand);font-weight:700}
.drop p{margin:6px 0 0;font-size:12.5px;color:var(--muted)}
textarea.area{width:100%;min-height:132px;border:1px solid var(--line);border-radius:10px;padding:12px;resize:vertical;background:#fbfdff;font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--ink)}
textarea.area:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,99,165,.1)}
.import-result{margin-top:14px;background:#f7fbfe;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:12.5px;line-height:1.9}
.import-result b{color:var(--brand)}
.import-result .tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}
.import-result .tag{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-family:ui-monospace,Consolas,monospace;font-size:11.5px;color:var(--muted)}
.log-list{display:flex;flex-direction:column;gap:0}
.log-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #edf3f8;font-size:12.5px}
.log-item:last-child{border-bottom:0}
.log-item .time{color:var(--muted);font-family:ui-monospace,Consolas,monospace;font-size:11.5px;min-width:130px}
.log-item .txt{flex:1;color:var(--ink)}
.log-item .badge{flex:none}
.settings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #edf3f8}
.switch-row .t{font-size:13px;font-weight:600}
.switch-row .d{font-size:11.5px;color:var(--muted);margin-top:2px}
.switch{position:relative;width:42px;height:24px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;background:#cbd9e5;border-radius:99px;transition:.2s;cursor:pointer}
.switch span:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.switch input:checked + span{background:var(--brand-2)}
.switch input:checked + span:before{transform:translateX(18px)}
.template-box{background:#f7fbfe;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13px;line-height:1.8}
.template-box code{background:#e8f2fa;color:var(--brand);padding:2px 6px;border-radius:5px}
.login-overlay{position:fixed;inset:0;background:linear-gradient(135deg,#0a3e70,#0f8fb5);display:grid;place-items:center;z-index:100;padding:20px}
.login-card{background:#fff;width:100%;max-width:390px;border-radius:18px;padding:34px;box-shadow:0 24px 60px rgba(4,32,60,.35);text-align:center}
.login-card .brand-mark{margin:0 auto 16px;width:52px;height:52px;border-radius:15px}
.login-card .brand-mark svg{width:32px;height:32px}
.login-card h2{margin:0 0 4px;font-size:21px;letter-spacing:1px}
.login-card p{color:var(--muted);font-size:12.5px;margin:0 0 22px}
.login-card .input{text-align:center;letter-spacing:2px;margin-bottom:14px}
.inline-alert{padding:10px 12px;border-radius:9px;font-size:12.5px;margin-bottom:12px}
.inline-alert.error{background:var(--err-bg);color:var(--err)}
.inline-alert.ok{background:var(--ok-bg);color:var(--ok)}
.toast{position:fixed;right:22px;bottom:22px;background:#0d2f4f;color:#fff;padding:12px 18px;border-radius:10px;box-shadow:0 10px 26px rgba(0,0,0,.2);font-size:13px;z-index:200;opacity:0;transform:translateY(10px);transition:.25s;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr)} .grid-2,.settings-grid{grid-template-columns:1fr}
  .sidebar{width:64px;padding:18px 8px} .sidebar .logo b,.sidebar .logo small,.nav-item span.txt,.nav-group-title,.sidebar-foot{display:none}
  .nav-item{justify-content:center;padding:11px 0} .admin-content{padding:18px}
}
@media(max-width:560px){
  .wrap{padding:0 16px} .hero h1{font-size:26px} .verify-card{padding:22px 18px}
  .captcha-row{flex-wrap:wrap} .captcha-row .input{flex:1} .captcha-row .btn{width:100%}
  .notes{grid-template-columns:1fr} .code-boxes{gap:5px} .code-boxes input{height:46px;font-size:19px}
  .steps .step span.t{display:none} .topbar-right .chip{display:none}
}