:root{--bg:#070b14;--panel:#0f1624;--line:#21324a;--text:#eef4ff;--muted:#8ea2be;--green:#25d98f;--danger:#ff5f73;--blue:#4ea3ff;--mp-safe-bottom:calc(env(safe-area-inset-bottom) + 80px)}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 50% -10%,#12203a 0,#070b14 45%,#070b14 100%);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial}
body{font-size:14px;line-height:1.4;-webkit-text-size-adjust:100%}a{text-decoration:none;color:inherit}
.phone{width:100%;max-width:450px;margin:0 auto;min-height:100vh;padding:14px 14px calc(94px + env(safe-area-inset-bottom))}
.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}
.center-screen.fixed{min-height:100dvh;min-height:100svh;overflow:auto}
.auth-box{width:100%;max-width:420px;background:linear-gradient(180deg,#131f35,#0d1524);border:1px solid #29405f;border-radius:18px;padding:20px;box-shadow:0 18px 40px rgba(0,0,0,.35);backdrop-filter:blur(8px)}
.card{background:linear-gradient(180deg,#0f1828,#0d1522);border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px}
.section-title{font-size:25px;font-weight:900;margin:2px 0 10px}
.row{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
input,select,textarea,button{background:#111b2b;color:#f2f6fb;border:1px solid #2a3f5e;border-radius:10px;padding:10px;font-size:13px}
button{cursor:pointer}.btn-green{background:#123826;border-color:#1f6a47;color:#b6f7d6;font-weight:800}.btn-danger{background:#3a1a1a;border-color:#7a3030;color:#ffc0c0;font-weight:800}
@media (max-width: 768px){input,select,textarea{font-size:16px !important;}}
.small{font-size:12px;color:var(--muted)}
.flash{padding:10px;border-radius:10px;margin:8px 0;font-size:13px}.flash.success{background:#113828}.flash.warning{background:#5e4716}.flash.danger{background:#5a2121}.flash.info{background:#1f3551}
.search-row{display:flex;gap:8px;align-items:center;margin-bottom:10px}.icon-btn{width:32px;height:32px;border-radius:10px;background:#0d1522;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.search{flex:1;height:36px;border-radius:18px;background:#111c2c;border:1px solid #273b56;color:#95a7bf;font-size:13px;padding:0 12px}
.wallet-chip{display:inline-flex;align-items:center;background:#131f31;border:1px solid #2a3f5c;border-radius:16px;padding:5px 12px;font-size:12px;font-weight:700}
.center{text-align:center}.total{font-size:36px;font-weight:850;margin:8px 0 4px}.pnl{font-size:13px;font-weight:700}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}.stat-card{background:#0d1522;border:1px solid #233652;border-radius:12px;padding:9px}.stat-k{font-size:11px;color:var(--muted)}.stat-v{font-size:13px;font-weight:800;margin-top:3px}
.quick{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:12px 0}.q-item{text-align:center}.q-btn{width:48px;height:48px;border-radius:13px;background:#142033;border:1px solid #2d4363;margin:0 auto 5px;display:flex;align-items:center;justify-content:center}.q-btn.green{background:#123625;border-color:#1e5f3f;color:#8ef0bf}
.q-t{font-size:12px;font-weight:700;color:#c8d4e5}
.asset-row{display:flex;justify-content:space-between;align-items:center;padding:8px 1px;gap:8px}.asset-left{display:flex;gap:8px;align-items:center;min-width:0}
.coin-icon{width:28px;height:28px;border-radius:50%;overflow:hidden;background:#1d2735;display:flex;align-items:center;justify-content:center;flex-shrink:0}.coin-icon img{width:100%;height:100%;object-fit:cover}
.sym{font-size:16px;font-weight:800;line-height:1}.sub{font-size:11px;color:var(--muted);margin-top:2px}.amount{font-size:15px;font-weight:800}.value{font-size:11px;color:#d2dceb}
.list-item{display:flex;justify-content:space-between;align-items:center;padding:11px 1px;border-bottom:1px solid #1e2c42}
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}.table{width:100%;border-collapse:collapse;min-width:640px}.table th,.table td{font-size:12px;padding:8px;border-bottom:1px solid #243041;text-align:left;white-space:nowrap}
.break-all{word-break:break-all}
.policy{background:linear-gradient(90deg,#12243a,#153149);border:1px solid #2b445e;color:#cde6ff;border-radius:10px;padding:9px;font-size:12px;position:relative;padding-right:24px}
.policy-close{position:absolute;right:6px;top:4px;border:none;background:transparent;color:#cde6ff;cursor:pointer;font-size:14px}

@keyframes shimmer{0%{background-position:-300px 0}100%{background-position:300px 0}}
.skeleton{background:linear-gradient(90deg,#0f1828 25%,#152036 50%,#0f1828 75%);background-size:600px 100%;animation:shimmer 1.5s infinite;border-radius:8px}
.page-loader{position:fixed;top:0;left:0;right:0;height:2.5px;background:linear-gradient(90deg,#4ea3ff,#25d98f,#4ea3ff);background-size:200% 100%;animation:loader-slide 1.2s linear infinite;z-index:9999;opacity:0;transition:opacity .2s}
.page-loader.active{opacity:1}
@keyframes loader-slide{0%{background-position:200% 0}100%{background-position:-200% 0}}
.btn-loading{position:relative;color:transparent!important;pointer-events:none}
.btn-loading::after{content:"";position:absolute;inset:0;margin:auto;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:btn-spin .6s linear infinite}
@keyframes btn-spin{to{transform:rotate(360deg)}}

.empty-state{text-align:center;padding:40px 20px}
.empty-state-svg{opacity:.5;margin-bottom:16px}
.empty-state-title{font-size:15px;font-weight:800;color:#8ea2be;margin-bottom:6px}
.empty-state-desc{font-size:12px;color:#5f7ea0;line-height:1.6}

@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(-20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
@keyframes toastOut{from{opacity:1}to{opacity:0;transform:translateX(-50%) translateY(-20px)}}

.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:10px;width:calc(100% - 20px);max-width:430px;height:68px;border-radius:20px;background:#0f1827;border:1px solid #2a3f59;display:grid;grid-template-columns:repeat(5,1fr);padding:5px 6px;z-index:20;backdrop-filter:blur(14px)}
.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:16px;color:#b0bfd2;font-size:11px;gap:3px;transition:all .18s}
.nav-item svg{width:22px;height:22px;flex-shrink:0}
.nav-item.active{background:#163826;color:#8ff1bf;font-weight:800}
.nav-icon-svg{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.nav-item.active .nav-icon-svg{stroke:#8ff1bf}

.swap-token-input{width:100%;height:36px;border-radius:10px;background:#111b2b;border:1px solid #2a3f5e;color:#eef4ff;padding:0 10px}
.swap-suggest{position:absolute;left:0;right:0;top:40px;background:#0f1827;border:1px solid #2a3f59;border-radius:10px;max-height:180px;overflow:auto;display:none;z-index:30}.swap-suggest-item{padding:9px 10px;color:#d7e5fa;font-size:13px;cursor:pointer;display:flex;justify-content:space-between}.swap-suggest-item:hover{background:#18273d}

@media (max-width: 1024px) {
  html,body{width:100%;max-width:100%;overflow-x:hidden;height:100%;min-height:100%;background:radial-gradient(1200px 600px at 50% -10%,#12203a 0,#070b14 45%,#070b14 100%)!important;background-color:#070b14!important}
  .phone{max-width:100%!important;padding-left:10px!important;padding-right:10px!important;padding-bottom:var(--mp-safe-bottom)!important;min-height:100vh;min-height:100dvh;min-height:100svh;background:transparent!important;overscroll-behavior-y:contain}
  .center-screen.fixed{min-height:100dvh!important;min-height:100svh!important;overflow:auto!important;height:auto!important}
  .card{border-radius:14px!important;margin-bottom:10px!important}
  .section-title{font-size:21px!important;line-height:1.2!important}
  .table-wrap{overflow-x:auto!important;-webkit-overflow-scrolling:touch!important}
  .table{min-width:560px!important}
  .table th,.table td{font-size:13px!important;padding:8px 6px!important}
  input,select,textarea{font-size:16px!important}
}
@media (max-width: 768px) {
  #trade-kline{width:100%!important;height:clamp(260px,44vh,420px)!important}
  #coin-kline{width:100%!important;height:clamp(220px,38vh,360px)!important}
  .asset-row{padding-top:10px!important;padding-bottom:10px!important}
  .quick{grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:8px!important}
  .q-btn{width:44px!important;height:44px!important}
  .bottom-nav{left:0!important;right:0!important;transform:none!important;width:calc(100% - 16px)!important;max-width:none!important;margin:0 8px!important;height:64px!important;bottom:calc(8px + env(safe-area-inset-bottom))!important;border-radius:18px!important}
  .nav-item{font-size:11px!important}
  .trade-tf-row{display:flex!important;flex-wrap:nowrap!important;overflow-x:auto!important;-webkit-overflow-scrolling:touch!important;gap:6px!important}
  .trade-tf-row button{flex:0 0 auto!important;white-space:nowrap!important}
}
@supports (-webkit-touch-callout:none) {
  @media (max-width: 1024px) {
    html,body{overscroll-behavior-y:none;-webkit-text-size-adjust:100%;background:radial-gradient(1200px 600px at 50% -10%,#12203a 0,#070b14 45%,#070b14 100%)!important;background-color:#070b14!important}
    .phone{min-height:100dvh;min-height:100svh;padding-bottom:calc(env(safe-area-inset-bottom) + 80px)!important;-webkit-overflow-scrolling:touch;background:transparent!important}
    .bottom-nav{bottom:calc(8px + env(safe-area-inset-bottom))!important}
    input,select,textarea{font-size:16px!important}
  }
}
@supports not (-webkit-touch-callout:none) {
  @media (hover:none) and (pointer:coarse) and (max-width:1024px) {
    html,body{overscroll-behavior-y:contain;background:radial-gradient(1200px 600px at 50% -10%,#12203a 0,#070b14 45%,#070b14 100%)!important;background-color:#070b14!important}
    .phone{min-height:100dvh;min-height:100vh;padding-bottom:calc(env(safe-area-inset-bottom) + 76px)!important;background:transparent!important}
    .table-wrap{-webkit-overflow-scrolling:touch!important}
  }
}
input,select,textarea,button{touch-action:manipulation}
input[type="number"]{-moz-appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

.dep-file-row{display:flex;align-items:center;gap:12px;background:#0d1522;border:1px solid #233652;border-radius:12px;padding:12px;margin-bottom:4px}
.dep-file-preview{width:64px;height:64px;border-radius:10px;background:#111b2b;border:2px dashed #2a4362;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;transition:border-color .2s}
.dep-file-preview.has-file{border-style:solid;border-color:#25b887}
.dep-file-preview img{width:100%;height:100%;object-fit:cover}
.dep-file-info{flex:1;min-width:0}
.dep-file-label{font-size:12px;font-weight:700;color:#c8d4e5;margin-bottom:6px}
.dep-file-btn{display:inline-block;padding:7px 16px;border-radius:8px;background:#1a2e3e;border:1px solid #2a4a70;color:#8ec8f0;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s}
.dep-file-btn:hover{background:#1e3850;border-color:#4ea3ff}
.dep-file-name{display:block;font-size:11px;color:#5f7ea0;margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dep-file-input-hidden{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.auth-screen{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom,0px));padding-top:calc(20px + env(safe-area-inset-top,0px));background:radial-gradient(1100px 600px at 15% -8%,rgba(78,163,255,.18),transparent 55%),radial-gradient(900px 500px at 88% 112%,rgba(37,217,143,.10),transparent 50%),linear-gradient(165deg,#030a18 0%,#07152c 44%,#030a17 100%);position:relative;overscroll-behavior-y:contain;-webkit-tap-highlight-color:transparent}
.auth-card{width:100%;max-width:480px;padding:32px 26px 26px;border-radius:22px;border:1px solid rgba(110,160,220,.30);background:linear-gradient(180deg,rgba(15,24,42,.94),rgba(8,14,28,.96));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 28px 72px rgba(0,0,0,.50),0 6px 24px rgba(38,98,180,.14),inset 0 1px 0 rgba(255,255,255,.06);-webkit-mask-image:radial-gradient(white,white);mask-image:radial-gradient(white,white);touch-action:manipulation}
.auth-logo-wrap{display:flex;flex-direction:column;align-items:center;margin-bottom:18px}
.auth-logo-svg{width:80px;height:80px;filter:drop-shadow(0 12px 22px rgba(56,122,235,.40)) drop-shadow(0 2px 6px rgba(0,0,0,.22));-webkit-filter:drop-shadow(0 12px 22px rgba(56,122,235,.40)) drop-shadow(0 2px 6px rgba(0,0,0,.22))}
.auth-wordmark{margin-top:10px;text-align:center;line-height:1}
.auth-wm-top{font-size:26px;font-weight:900;letter-spacing:.22em;background:linear-gradient(180deg,#F7FBFF 0%,#DCEAFF 58%,#B7CAE7 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;-webkit-font-smoothing:antialiased}
.auth-wm-bottom{margin-top:5px;font-size:13px;font-weight:800;letter-spacing:.34em;color:#AEC4E3}
.auth-wm-tagline{margin-top:7px;font-size:10px;letter-spacing:.10em;text-transform:uppercase;color:#7F96B8}
.auth-title{font-size:clamp(28px,7vw,38px);line-height:1.10;letter-spacing:-.4px;margin:6px 0 10px;font-weight:880;color:#EAF2FF;-webkit-font-smoothing:antialiased}
.auth-subtitle{color:#9fb3cc;font-size:14px;line-height:1.50;margin-bottom:14px}
.auth-subtitle a{color:#74bbff;font-weight:800;text-decoration:none}
.auth-card .field-label{display:block;font-size:12px;color:#9eb1ca;margin-bottom:4px;margin-top:10px;user-select:none;-webkit-user-select:none}
.auth-card input,.auth-card textarea,.auth-card select{width:100%;border-radius:12px;border:1px solid #2a4a70;background:linear-gradient(180deg,#0f1d33,#0d192c);color:#edf5ff;min-height:46px;padding:0 12px;font-size:16px;transition:border-color .18s,box-shadow .18s;-webkit-appearance:none;appearance:none;touch-action:manipulation}
.auth-card textarea{min-height:90px;padding:10px 12px;resize:vertical;font-size:16px}
.auth-card input:focus,.auth-card textarea:focus,.auth-card select:focus{outline:none;border-color:#66b0ff;box-shadow:0 0 0 3px rgba(78,163,255,.18),0 8px 20px rgba(31,91,170,.14)}
.auth-btn-primary{width:100%;margin-top:14px;min-height:48px;border-radius:12px;border:1px solid #1f8a63;background:linear-gradient(135deg,#25b887 0%,#178665 100%);color:#ecfff7;font-weight:900;font-size:16px;letter-spacing:.2px;cursor:pointer;transition:filter .15s,box-shadow .15s;-webkit-appearance:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.auth-btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 30px rgba(31,158,114,.34)}
.auth-btn-primary:active{filter:brightness(.94);transform:scale(0.985);transition:transform .08s}
.auth-btn-secondary{width:100%;margin-top:10px;min-height:44px;border-radius:12px;border:1px solid #34547f;background:linear-gradient(180deg,#142742,#0e1d33);color:#cfe0f4;font-weight:800;font-size:16px;cursor:pointer;-webkit-appearance:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.auth-btn-secondary:active{filter:brightness(.92);transform:scale(0.985);transition:transform .08s}
.auth-tabs{display:flex;gap:10px;margin-bottom:14px}
.auth-tab-btn{height:40px;padding:0 16px;border-radius:12px;border:1px solid #34547f;background:linear-gradient(180deg,#142742,#0e1d33);color:#cfe0f4;font-weight:800;font-size:14px;cursor:pointer;transition:all .18s;-webkit-appearance:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.auth-tab-btn.active{border-color:#29b786;background:linear-gradient(135deg,#26b886,#178766);color:#ecfff8;box-shadow:0 10px 22px rgba(31,158,114,.28)}
.auth-tab-btn:active{transform:scale(0.96);transition:transform .08s}
.auth-row{display:flex;justify-content:space-between;align-items:center;margin-top:8px;gap:10px}
.mnemonic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.mnemonic-word{background:linear-gradient(180deg,#0f1d33,#0d192c);border:1px dashed #345075;border-radius:10px;padding:9px 10px;display:flex;align-items:center;gap:6px}
.mnemonic-word .mw-num{color:#8fb7e6;font-weight:800;min-width:22px;text-align:right;font-size:12px}
.mnemonic-word .mw-text{color:#eef4ff;font-weight:700;word-break:break-word;font-size:13px}
.mnemonic-verify-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.agreement-box{margin-top:12px;border:1px solid #2a4a70;background:linear-gradient(180deg,#0d1b31,#0b1729);border-radius:12px;padding:12px}
.agreement-title{color:#dcecff;font-size:13px;font-weight:800;margin-bottom:8px}
.agreement-text{color:#9eb6d4;font-size:12px;line-height:1.55}
.agreement-sign-row{display:flex;gap:10px;align-items:center;margin-top:10px}
.auth-2fa-code-input{text-align:center;font-size:20px!important;letter-spacing:6px;font-weight:800}
.auth-email-code-input{text-align:center;font-size:18px;letter-spacing:4px;font-weight:800}
.auth-divider{border:none;border-top:1px solid #263246;margin:12px 0}
.auth-checkbox-row{display:flex;align-items:center;gap:8px;margin-top:10px;cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}
.auth-checkbox-row input[type="checkbox"]{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.auth-checkbox-box{flex-shrink:0;width:22px;height:22px;border-radius:6px;border:2px solid #34547f;background:linear-gradient(180deg,#0f1d33,#0d192c);display:flex;align-items:center;justify-content:center;transition:all .18s;position:relative}
.auth-checkbox-box::after{content:"";position:absolute;inset:-6px;border-radius:12px;background:rgba(78,163,255,0);transition:background .25s}
.auth-checkbox-row:active .auth-checkbox-box::after{background:rgba(78,163,255,.18)}
.auth-checkbox-row input:checked+.auth-checkbox-box{border-color:#25b887;background:linear-gradient(135deg,#1a5a3a,#0f3a24);box-shadow:0 0 12px rgba(37,217,143,.30)}
.auth-checkbox-row input:checked+.auth-checkbox-box svg{opacity:1;transform:scale(1)}
.auth-checkbox-box svg{width:14px;height:14px;opacity:0;transform:scale(.5);transition:all .18s}
.auth-checkbox-label{font-size:12px;color:#9eb1ca;line-height:1.4}
.auth-card a{color:#67b2ff;text-decoration:none}
.auth-card a:active{opacity:.7}
.auth-card .small{font-size:12px;color:#9eb1ca}
.auth-pwd-wrap{position:relative}
.auth-pwd-input{padding-right:44px !important}
.auth-eye-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:8px;border:1px solid transparent;background:transparent;display:flex;align-items:center;justify-content:center;color:#9eb1ca;cursor:pointer;transition:all .16s}
.auth-eye-btn:hover{color:#cfe0f4;background:rgba(103,178,255,.08);border-color:#2a4a70}
.auth-eye-btn:active{transform:translateY(-50%) scale(.96)}
.auth-eye-btn:focus-visible{outline:none;border-color:#66b0ff;box-shadow:0 0 0 2px rgba(78,163,255,.16)}
.auth-eye-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.auth-eye-btn .eye-off{display:none}
.auth-eye-btn.is-show .eye-on{display:none}
.auth-eye-btn.is-show .eye-off{display:block}
@media(max-width:520px){.auth-card{padding:24px 16px 20px;border-radius:18px}.auth-logo-svg{width:64px;height:64px}.auth-wm-top{font-size:22px}.auth-title{font-size:24px}.mnemonic-grid{grid-template-columns:repeat(3,1fr);gap:5px}.mnemonic-verify-grid{grid-template-columns:1fr}}@media(max-width:375px){.auth-card{padding:20px 12px 16px;border-radius:16px}.auth-logo-svg{width:56px;height:56px}.auth-wm-top{font-size:20px}.auth-title{font-size:21px}.auth-subtitle{font-size:13px}.auth-btn-primary{font-size:15px;min-height:44px}.mnemonic-word{padding:7px 8px}.mnemonic-word .mw-text{font-size:11px}}@media(max-height:500px) and (orientation:landscape){.auth-screen{align-items:flex-start;padding-top:calc(10px + env(safe-area-inset-top,0px));padding-bottom:calc(10px + env(safe-area-inset-bottom,0px))}.auth-card{max-width:560px;margin:0 auto}.auth-logo-wrap{margin-bottom:10px}.auth-logo-svg{width:50px;height:50px}.auth-wm-tagline{display:none}}@media(prefers-reduced-motion:reduce){.auth-card input,.auth-card textarea,.auth-card select,.auth-btn-primary,.auth-btn-secondary,.auth-tab-btn{transition:none}.auth-btn-primary:active,.auth-btn-secondary:active,.auth-tab-btn:active{transform:none}}
/* ═══════════════════════════════════════════════════════════
   PERFORMANCE: 跳过离屏渲染（content-visibility: auto）
   浏览器自动跳过不可见区域的布局 / 绘制，按需渲染
   ═══════════════════════════════════════════════════════════ */
.asset-row,
.list-item,
.table tbody tr,
.stk-settle-table tbody tr,
.hot-card,
.cd-tf-btn,
.stat-card,
.q-item {
  content-visibility: auto;
  contain-intrinsic-size: auto 52px;
}

.card {
  content-visibility: auto;
  contain-intrinsic-size: auto 140px;
}

/* 首屏关键卡片不跳过（保证 LCP 不错位） */
.auth-card,
.card:first-of-type,
.cd-price-card,
.stk-pos-card {
  content-visibility: visible;
  contain-intrinsic-size: none;
}
/* 2FA 验证码输入框 — 大号居中，清晰易读 */
.auth-2fa-code-input {
  width: 100%;
  max-width: 220px;
  min-height: 48px;
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 6px;
  border-radius: 14px;
  border: 2px solid #2a4261;
  background: #0d1522;
  color: #eef4ff;
  padding: 0 8px;
  margin: 0 auto 16px;
  display: block;
  transition: border-color .18s, box-shadow .18s;
}
.auth-2fa-code-input:focus {
  border-color: #4ea3ff;
  box-shadow: 0 0 0 4px rgba(78,163,255,.12);
  outline: none;
}