.luxury-auth{--color-primary:#0a0a0a;--color-primary-base:#0a0a0a;--color-text-primary:#1a1a1a;--color-primary-text:#1a1a1a;--color-text-secondary:rgba(26,26,26,.6);--color-primary-secondary:rgba(26,26,26,.6);--color-text-tertiary:rgba(26,26,26,.35);--color-primary-tertiary:rgba(26,26,26,.35);--color-primary-disabled:rgba(26,26,26,.2);--color-bg-gradient:linear-gradient(165deg,#fafaf6,#f3f0e8 50%,#e8e3d5);--color-bg-base:#fafaf6;--color-bg-card:#fff;--color-bg-secondary:#f3f0e8;--color-bg-tertiary:#e8e3d5;--color-bg-overlay:rgba(0,0,0,.4);--color-accent:#b8975c;--color-accent-base:#b8975c;--color-accent-light:#d4b88e;--color-accent-dark:#8b6f47;--color-accent-bg:rgba(184,151,92,.08);--color-border:rgba(26,26,26,.12);--color-border-base:rgba(26,26,26,.12);--color-border-input:rgba(26,26,26,.2);--color-border-strong:rgba(26,26,26,.2);--color-semantic-danger:#b85450;--color-semanticBg-danger:rgba(184,84,80,.08);--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--font-family:"Microsoft YaHei","微软雅黑",Arial,sans-serif;--font-weight-regular:400;--font-weight-medium:500;--font-size-label:11px;--font-size-body:16px;--font-size-button:16px;--font-size-brand-en:11px;--font-size-brand:44px;--radius-pill:32px;--radius-card:16px;--spacing-cardPadding:24px;--shadow-sm:0 2px 8px rgba(0,0,0,.04);--spacing-input-gap:28px;min-height:100dvh;background:var(--color-bg-gradient);color:var(--color-text-primary);font-family:var(--font-family);font-weight:var(--font-weight-regular)}.luxury-auth *,.luxury-auth :after,.luxury-auth :before{box-sizing:border-box}.luxury-auth-shell{width:min(100%,430px);min-height:100dvh;margin:0 auto;padding:calc(env(safe-area-inset-top) + 52px) 28px 30px}.luxury-brand{margin:0 auto 58px;text-align:center}.luxury-brand-en{margin:0 0 12px;color:var(--color-accent);font-size:var(--font-size-brand-en);letter-spacing:6px;padding-left:6px}.luxury-brand-en,.luxury-brand-title{font-weight:var(--font-weight-medium)}.luxury-brand-title{margin:0;color:var(--color-primary);font-size:var(--font-size-brand);line-height:1;letter-spacing:12px;padding-left:12px}.luxury-brand-line{width:24px;height:1px;margin:18px auto 0;background:var(--color-accent)}.luxury-greeting{margin:16px 0 0;color:var(--color-text-secondary);font-size:13px;font-weight:var(--font-weight-regular);letter-spacing:3px}.luxury-form{display:flex;flex-direction:column;gap:0}.luxury-field{display:block}.luxury-field.form-group{margin-bottom:20px}.luxury-field.form-group:last-of-type{margin-bottom:48px}.luxury-label{display:block;margin-bottom:6px;color:var(--color-accent);font-size:var(--font-size-label);font-weight:var(--font-weight-medium);letter-spacing:2px}.luxury-input-row{display:flex;align-items:center;min-height:42px;border-bottom:1px solid var(--color-border-input);transition:border-color .2s ease}.luxury-input-row:focus-within{border-bottom-color:var(--color-accent)}.luxury-input,.luxury-select-button{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-body);font-weight:var(--font-weight-regular);letter-spacing:1.5px}.luxury-input::placeholder{color:var(--color-text-tertiary)}.luxury-select-button{height:42px;cursor:pointer}.luxury-auth .select-field,.luxury-select-button{display:flex;align-items:center;justify-content:space-between;padding:6px 0;text-align:left}.luxury-auth .select-field{border-bottom:0;color:var(--color-text-primary);font-size:16px;letter-spacing:1px}.luxury-auth .select-field .value{flex:1;min-width:0;text-align:left}.luxury-auth .select-field .arrow{flex-shrink:0;color:rgba(26,26,26,.45);font-size:14px}.luxury-chevron{color:var(--color-text-secondary);font-size:18px;line-height:1}.luxury-code-button,.verify-code-btn{flex:none;border:0;background:transparent;color:var(--color-accent);font-family:var(--font-family);cursor:pointer}.luxury-auth .verify-code-btn,.luxury-code-button,.verify-code-btn{flex-shrink:0;font-size:13px;font-weight:var(--font-weight-medium);letter-spacing:1px;min-width:auto;padding:4px 0;white-space:nowrap}.luxury-auth .verify-code-btn{min-height:auto;line-height:1.2}.luxury-code-button:disabled,.verify-code-btn:disabled{color:rgba(26,26,26,.4);cursor:not-allowed}.luxury-error{margin:-10px 0 0;border-left:1px solid var(--color-accent);padding:8px 0 8px 12px;color:#8b3f32;font-size:12px;line-height:1.6}.luxury-submit{width:100%;margin-top:0;border:1px solid var(--color-accent);border-radius:var(--radius-pill);background:var(--color-primary);color:#fff;font-family:var(--font-family);font-size:var(--font-size-button);font-weight:var(--font-weight-medium);letter-spacing:8px;padding:16px 16px 16px calc(16px + 8px);text-align:center;cursor:pointer}.luxury-submit:disabled{opacity:.55;cursor:not-allowed}.luxury-links{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:24px;color:rgba(26,26,26,.5);font-size:12px;letter-spacing:1px}.luxury-links a,.luxury-text-link{color:rgba(26,26,26,.5);text-decoration:none}.luxury-link-dot{color:var(--color-accent)}.luxury-sheet-mask{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;background:hsla(0,0%,4%,.28);padding:0 12px calc(env(safe-area-inset-bottom) + 12px)}.luxury-sheet{width:min(100%,430px);overflow:hidden;border:1px solid var(--color-border);border-radius:18px;background:var(--color-bg-card)}.luxury-sheet-title{margin:0;border-bottom:1px solid var(--color-border);padding:16px;color:var(--color-accent);font-size:11px;font-weight:var(--font-weight-medium);letter-spacing:2px;text-align:center}.luxury-sheet-option{width:100%;border:0;border-bottom:1px solid rgba(26,26,26,.08);background:#fff;padding:16px;color:var(--color-text-primary);font-family:var(--font-family);font-size:15px;font-weight:var(--font-weight-regular);letter-spacing:2px}.luxury-sheet-option:last-child{border-bottom:0}.luxury-sheet-option-active{color:var(--color-accent-dark);font-weight:var(--font-weight-medium)}.luxury-card{border:1px solid var(--color-border);border-radius:var(--radius-card);background:hsla(0,0%,100%,.72);padding:26px 22px}.luxury-page-title{margin:0;color:var(--color-text-primary);font-size:26px;font-weight:var(--font-weight-medium);letter-spacing:2px}.luxury-copy{line-height:1.9}.luxury-back,.luxury-copy{color:var(--color-text-secondary);font-size:13px;font-weight:var(--font-weight-regular)}.luxury-back{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;border:0;background:transparent;font-family:var(--font-family);letter-spacing:1px;text-decoration:none}.luxury-signature-pad{width:100%;height:160px;border:1px solid var(--color-border-input);border-radius:var(--radius-card);background:#fff;touch-action:none}.luxury-agreement-box{border:1px solid var(--color-border);border-radius:var(--radius-card);background:hsla(0,0%,100%,.58);padding:16px}@media (max-width:380px){.luxury-auth-shell{padding-left:22px;padding-right:22px}.luxury-brand-title{font-size:var(--font-size-brand)}}