.auth-form{width:100%;min-width:0}.auth-title .eyebrow{font-size:9px;letter-spacing:1.8px;margin-bottom:12px}.auth-title h2{font-size:25px;font-weight:500;line-height:1.5}.auth-title>p{color:var(--secondary,#a6a79d);font-size:13px;line-height:1.8;margin-top:10px}.auth-tabs{display:flex;gap:24px;border-bottom:1px solid #c9a86a24;margin:24px 0 22px}.auth-tabs button{min-height:43px;position:relative;font-size:13px;padding:0 2px 12px;color:#8d9385}.auth-tabs button.selected{color:var(--gold)}.auth-tabs button.selected:after{content:"";position:absolute;height:2px;left:0;right:0;bottom:-1px;background:var(--gold)}.auth-form form{display:flex;flex-direction:column;gap:10px;margin:0}.auth-form label{font-size:12px;color:#c2bfb2;display:block;margin-top:6px}.auth-form input{width:100%;height:48px;min-width:0;background:#0d1010;border:1px solid #3e4035;border-radius:8px;color:var(--ivory);padding:0 13px;font-size:16px;transition:border-color .2s,box-shadow .2s}.auth-form input:focus-visible{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px #c9a86a0d}.auth-form button:disabled,.auth-form input:disabled{opacity:.5;cursor:not-allowed}.auth-field-hint{color:#898f7f;font-size:11px;line-height:1.6;margin-top:-4px}.auth-verification{padding:16px;background:#c9a86a06;border:1px solid #c9a86a26;border-radius:10px;margin-top:8px}.auth-verification>div:first-child{display:flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;margin-bottom:12px}.auth-verification label{font-size:11px;margin-bottom:8px}.auth-code-row{display:flex;gap:10px;align-items:center}.auth-code-row input{flex:1;letter-spacing:5px;padding:0 10px}.auth-code-row button{flex-shrink:0;color:var(--gold);font-size:11px;min-height:44px;padding:0 1px;white-space:nowrap}.auth-form .auth-submit{margin-top:10px;min-height:48px}.auth-notice{font-size:12px;line-height:1.8;color:#b9b195}.auth-links{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.auth-links button{color:#b5a079;font-size:11px;min-height:36px;text-align:left;padding:0}.auth-links button:hover{color:var(--gold)}.auth-form .input-error{font-size:12px;line-height:1.7;margin-top:3px;color:#ed949b}.auth-footnote{border-top:1px solid #c9a86a1c;padding-top:17px;margin-top:17px;color:#858b7d;font-size:10px;line-height:1.8;display:flex;align-items:flex-start;gap:7px}.auth-footnote svg{flex-shrink:0;margin-top:2px;color:#a08c63}.auth-service{margin-top:24px;padding:16px;border-radius:9px;border:1px solid #c9a86a29;background:#c9a86a05;color:#c4b28e;font-size:12px;line-height:1.8}.auth-service .text-link{margin-top:8px}.learning-login .auth-title h2{font-size:23px}.learning-login .learning-login-symbol{margin-bottom:23px}.learning-login .sheet-description{font-size:12px;margin:12px 0 20px}.live-login-panel .auth-form form{margin-top:0}.live-login-panel .auth-form label{font-size:12px}.live-login-panel .auth-form h2{font-size:25px}.live-login-panel{width:100%;align-self:center}@media(max-width:380px){.auth-verification{padding:12px}.auth-code-row{gap:6px}.auth-code-row input{letter-spacing:3px}.auth-tabs{gap:18px}.auth-title h2{font-size:23px}}.external-login{margin-top:22px;border-top:1px solid #c9a86a25;padding-top:18px}.external-login-label{font-size:11px;color:#969987;margin:0 0 12px}.external-login-actions{display:flex;gap:10px;flex-wrap:wrap}.external-login-actions button{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;min-width:150px;min-height:46px;border:1px solid #c9a86a40;border-radius:8px;background:#c9a86a08;color:#d8c495;font-size:13px}.external-login-actions button:hover{background:#c9a86a16}.external-login .phone-login-form{margin-top:16px;padding:16px;border:1px solid #c9a86a26;border-radius:9px;gap:12px}.phone-login-form label{line-height:2}.phone-login-form small{font-size:11px;color:#a2a28f;line-height:1.8}.external-resend{color:#d8c495;min-height:36px;font-size:12px}.external-account-shell{min-height:100vh;background:#0c100f;color:#eee7d6;padding:48px 20px;display:grid;place-items:center}.external-account-panel{width:100%;max-width:460px;border:1px solid #c9a86a32;border-radius:18px;padding:32px;background:#131815;box-shadow:0 22px 80px #0004}.external-account-brand{font-size:10px;letter-spacing:1.6px;color:#c9a86a;text-decoration:none}.external-account-heading{display:flex;align-items:flex-start;gap:12px;margin:26px 0 16px;color:#d8c495}.external-account-heading svg{flex-shrink:0;margin-top:4px}.external-account-heading h1{font-size:23px;font-weight:500;line-height:1.5;margin:0}.external-account-intro{font-size:13px;line-height:1.9;color:#adae9d;margin-bottom:24px}.external-account-back{display:inline-block;margin-top:22px;color:#c9a86a;font-size:12px}.external-account-panel .input-error{color:#ed949b;font-size:13px;line-height:1.8}.external-account-panel .auth-title h2{font-size:21px}.external-account-panel .primary{background:#c9a86a;color:#171b16;border:0;border-radius:8px;padding:13px;cursor:pointer}.external-account-panel .auth-links button,.external-account-panel .auth-tabs button{background:transparent;border:0;cursor:pointer}@media(max-width:420px){.external-account-shell{padding:20px 12px}.external-account-panel{padding:25px 20px}.external-account-heading h1{font-size:21px}}.auth-method-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:5px;margin:0 0 26px;background:#ffffff05;border:1px solid #ffffff15;border-radius:12px}.auth-method-tabs button{display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;background:transparent;color:var(--muted,#999);border:1px solid transparent;border-radius:8px;font-size:14px;cursor:pointer}.auth-method-tabs button[aria-pressed=true]{background:#c9aa6820;color:var(--gold,#d4b978);border-color:#c9aa6845}.auth-method-tabs button:disabled{opacity:.5;cursor:default}.auth-method-tabs button:focus-visible{outline:2px solid var(--gold,#d4b978);outline-offset:2px}.auth-method-tabs button span{font-size:9px;letter-spacing:.04em;opacity:.8}.external-primary .phone-login-form{display:block;margin:0;padding:0;border:0;background:none}.phone-number-field{display:flex;align-items:center;gap:12px;background:#ffffff04;border:1px solid #ffffff24;border-radius:8px;padding-left:14px}.phone-number-field:focus-within{border-color:var(--gold,#d4b978)}.phone-number-field>span{color:var(--muted,#aaa);padding-right:12px;border-right:1px solid #ffffff24;font-size:14px}.auth-form .phone-number-field input{background:none;border:0;margin:0;min-width:0;box-shadow:none;outline:none}.wechat-login-panel{text-align:center;padding:12px 0 2px}.wechat-login-mark{width:82px;height:82px;display:grid;place-items:center;margin:0 auto 18px;border:1px solid #c9aa6840;background:#c9aa680b;color:var(--gold,#d4b978);border-radius:22px}.wechat-login-panel p{font-size:16px;line-height:1.8;margin:0 0 24px}.wechat-login-panel p span{font-size:12px;color:var(--muted,#999)}.auth-existing-note{display:flex;gap:7px;align-items:flex-start;font-size:11px;line-height:1.65;color:var(--muted,#999);margin:10px 0 0}.auth-existing-note svg{flex-shrink:0;margin-top:2px}.external-primary .auth-footnote{align-items:flex-start;line-height:1.7}