:root{--mlt-color-primary:#155eef;--mlt-color-primary-hover:#004eeb;--mlt-color-primary-soft:#eff4ff;--mlt-color-border:#d0d5dd;--mlt-color-border-muted:#eaecf0;--mlt-color-text:#101828;--mlt-color-text-subtle:#344054;--mlt-color-muted:#667085;--mlt-color-on-primary:#fff;--mlt-color-surface:#fff;--mlt-color-surface-muted:#f9fafb;--mlt-color-surface-hover:#f2f4f7;--mlt-color-danger:#d92d20;--mlt-color-danger-soft:#fef3f2;--mlt-color-success:#039855;--mlt-color-success-soft:#ecfdf3;--mlt-color-warning:#dc6803;--mlt-color-warning-soft:#fffaeb;--mlt-color-info:#026aa2;--mlt-color-info-soft:#f0f9ff;--mlt-radius-sm:4px;--mlt-radius-md:6px;--mlt-radius-lg:8px;--mlt-focus-ring:0 0 0 3px #155eef33;--mlt-font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mlt-shadow-lg:0 20px 24px -4px #10182814, 0 8px 8px -4px #10182808;--mlt-shadow-md:0 12px 16px -4px #10182814, 0 4px 6px -2px #10182808;--mlt-z-overlay:1000;--mlt-color-wechat:#07c160;--mlt-color-wechat-hover:#06ad56;--mlt-color-wechat-soft:#e9f8ef;--mlt-wechat-login-width:380px;--mlt-wechat-login-padding:20px;--mlt-wechat-login-padding-mobile:16px;--mlt-wechat-login-header-gap:12px;--mlt-wechat-login-body-min-height:270px;--mlt-wechat-login-body-min-height-mobile:236px;--mlt-wechat-login-body-gap:16px;--mlt-wechat-login-body-padding-block:24px 20px;--mlt-wechat-login-qr-size:224px;--mlt-wechat-login-qr-padding:12px;--mlt-wechat-login-brand-size:44px;--mlt-wechat-login-button-height:40px;--mlt-wechat-login-button-padding-x:16px;--mlt-wechat-login-notice-icon-size:32px;--mlt-wechat-login-notice-gap:12px;--mlt-wechat-login-notice-padding:14px;--mlt-wechat-login-footer-gap:8px;--mlt-wechat-login-footer-padding-top:14px;--mlt-wechat-login-icon-size:20px;--mlt-wechat-login-icon-size-sm:18px;--mlt-wechat-login-status-dot-size:8px;--mlt-wechat-login-title-size:16px;--mlt-wechat-login-title-line-height:24px;--mlt-wechat-login-subtitle-size:13px;--mlt-wechat-login-subtitle-line-height:20px;--mlt-wechat-login-placeholder-min-height:44px;--mlt-wechat-login-text-size:14px;--mlt-wechat-login-text-line-height:20px;--mlt-wechat-login-caption-size:12px;--mlt-wechat-login-caption-line-height:18px;--mlt-wechat-login-surface:#fff;--mlt-wechat-login-surface-muted:#f6faf8;--mlt-wechat-login-surface-hover:#edf7f1;--mlt-wechat-login-qr-surface:#fff;--mlt-wechat-login-qr-shell:#f1f8f4;--mlt-wechat-login-border:#cddbd5;--mlt-wechat-login-border-muted:#e2ebe7;--mlt-wechat-login-text:#102018;--mlt-wechat-login-text-subtle:#344d40;--mlt-wechat-login-text-muted:#60766d;--mlt-wechat-login-brand-bg:#ddf8e9;--mlt-wechat-login-brand-text:#048f49;--mlt-wechat-login-action-bg:#058b47;--mlt-wechat-login-action-bg-hover:#047a3f;--mlt-wechat-login-action-text:#fff;--mlt-wechat-login-info:#0f6d99;--mlt-wechat-login-info-soft:#e7f6fd;--mlt-wechat-login-warning:#b85b00;--mlt-wechat-login-success:#03844a;--mlt-wechat-login-danger:#c52b21;--mlt-wechat-login-shadow:0 18px 22px -12px #10201838, 0 8px 14px -10px #1020182e}.mlt-button{border-radius:var(--mlt-radius-md);min-height:36px;font-family:var(--mlt-font-family);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;font-weight:600;line-height:1;transition:background-color .12s,border-color .12s,color .12s,box-shadow .12s;display:inline-flex}.mlt-button:focus-visible,.mlt-input:focus-visible,.mlt-feedback-trigger:focus-visible,.mlt-feedback-close:focus-visible,.mlt-feedback-category:focus-visible,.mlt-feedback-textarea:focus-visible,.mlt-feedback-input:focus-visible,.mlt-feedback-submit:focus-visible,.mlt-wechat-login__button:focus-visible{box-shadow:var(--mlt-focus-ring);outline:none}.mlt-button:disabled{cursor:not-allowed;opacity:.6}.mlt-button--sm{min-height:32px;padding:0 10px;font-size:13px}.mlt-button--md{min-height:36px;padding:0 14px;font-size:14px}.mlt-button--lg{min-height:42px;padding:0 18px;font-size:15px}.mlt-button--primary{background:var(--mlt-color-primary);color:var(--mlt-color-on-primary)}.mlt-button--primary:hover:not(:disabled){background:var(--mlt-color-primary-hover)}.mlt-button--secondary{border-color:var(--mlt-color-border);background:var(--mlt-color-surface);color:var(--mlt-color-text)}.mlt-button--secondary:hover:not(:disabled){background:var(--mlt-color-surface-muted)}.mlt-button--ghost{color:var(--mlt-color-text);background:0 0}.mlt-button--ghost:hover:not(:disabled){background:var(--mlt-color-surface-hover)}.mlt-button__spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:1em;height:1em;animation:.7s linear infinite mlt-spin}.mlt-input{box-sizing:border-box;border:1px solid var(--mlt-color-border);border-radius:var(--mlt-radius-md);background:var(--mlt-color-surface);width:100%;min-height:36px;color:var(--mlt-color-text);font-family:var(--mlt-font-family);padding:0 12px;font-size:14px;line-height:20px}.mlt-input::placeholder{color:var(--mlt-color-muted)}.mlt-input[aria-invalid=true]{border-color:var(--mlt-color-danger)}.mlt-stack{flex-direction:var(--mlt-stack-direction,column);align-items:var(--mlt-stack-align,stretch);justify-content:var(--mlt-stack-justify,flex-start);gap:var(--mlt-stack-gap,8px);display:flex}.mlt-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.mlt-wechat-login{box-sizing:border-box;width:min(100%, var(--mlt-wechat-login-width));border:1px solid var(--mlt-wechat-login-border-muted);border-radius:var(--mlt-radius-lg);padding:var(--mlt-wechat-login-padding);background:var(--mlt-wechat-login-surface);color:var(--mlt-wechat-login-text);font-family:var(--mlt-font-family);box-shadow:var(--mlt-wechat-login-shadow)}.mlt-wechat-login--dark{--mlt-wechat-login-surface:#101814;--mlt-wechat-login-surface-muted:#16231c;--mlt-wechat-login-surface-hover:#1d3026;--mlt-wechat-login-qr-surface:#fff;--mlt-wechat-login-qr-shell:#0b120f;--mlt-wechat-login-border:#2c4a3b;--mlt-wechat-login-border-muted:#20362c;--mlt-wechat-login-text:#f0faf4;--mlt-wechat-login-text-subtle:#c8dbd0;--mlt-wechat-login-text-muted:#94aa9d;--mlt-wechat-login-brand-bg:#0f3a24;--mlt-wechat-login-brand-text:#5bea92;--mlt-wechat-login-action-bg:#52e58b;--mlt-wechat-login-action-bg-hover:#73eea2;--mlt-wechat-login-action-text:#04130a;--mlt-wechat-login-info:#6cc8ff;--mlt-wechat-login-info-soft:#122d38;--mlt-wechat-login-warning:#f3b35f;--mlt-wechat-login-success:#55e991;--mlt-wechat-login-danger:#ff7f73;--mlt-wechat-login-shadow:0 22px 34px -18px #000000b8, 0 10px 18px -14px #000c}.mlt-wechat-login *,.mlt-wechat-login :before,.mlt-wechat-login :after{box-sizing:border-box}.mlt-wechat-login__header{align-items:flex-start;gap:var(--mlt-wechat-login-header-gap);display:flex}.mlt-wechat-login__brand,.mlt-wechat-login__noticeIcon{border-radius:var(--mlt-radius-lg);flex:none;justify-content:center;align-items:center;display:inline-flex}.mlt-wechat-login__brand{width:var(--mlt-wechat-login-brand-size);height:var(--mlt-wechat-login-brand-size);background:var(--mlt-wechat-login-brand-bg);color:var(--mlt-wechat-login-brand-text)}.mlt-wechat-login__heading{min-width:0}.mlt-wechat-login__title{color:var(--mlt-wechat-login-text);font-size:var(--mlt-wechat-login-title-size);font-weight:650;line-height:var(--mlt-wechat-login-title-line-height);margin:0}.mlt-wechat-login__subtitle{color:var(--mlt-wechat-login-text-muted);font-size:var(--mlt-wechat-login-subtitle-size);line-height:var(--mlt-wechat-login-subtitle-line-height);margin:2px 0 0}.mlt-wechat-login__body{min-height:var(--mlt-wechat-login-body-min-height);justify-content:center;align-items:center;gap:var(--mlt-wechat-login-body-gap);padding-block:var(--mlt-wechat-login-body-padding-block);flex-direction:column;display:flex}.mlt-wechat-login__qrFrame{width:var(--mlt-wechat-login-qr-size);aspect-ratio:1;border:1px solid var(--mlt-wechat-login-border);border-radius:var(--mlt-radius-lg);max-width:100%;padding:var(--mlt-wechat-login-qr-padding);background:var(--mlt-wechat-login-qr-shell);justify-content:center;align-items:center;display:flex;overflow:hidden}.mlt-wechat-login__qrImage{object-fit:contain;border-radius:var(--mlt-radius-md);background:var(--mlt-wechat-login-qr-surface);width:100%;height:100%;display:block}.mlt-wechat-login__placeholder{min-height:var(--mlt-wechat-login-placeholder-min-height);justify-content:center;align-items:center;gap:var(--mlt-wechat-login-footer-gap);color:var(--mlt-wechat-login-text-muted);font-size:var(--mlt-wechat-login-subtitle-size);line-height:var(--mlt-wechat-login-subtitle-line-height);text-align:center;display:inline-flex}.mlt-wechat-login__button{min-height:var(--mlt-wechat-login-button-height);justify-content:center;align-items:center;gap:var(--mlt-wechat-login-footer-gap);border-radius:var(--mlt-radius-md);padding:0 var(--mlt-wechat-login-button-padding-x);background:var(--mlt-wechat-login-action-bg);color:var(--mlt-wechat-login-action-text);font-family:var(--mlt-font-family);font-size:var(--mlt-wechat-login-text-size);font-weight:650;line-height:var(--mlt-wechat-login-text-line-height);cursor:pointer;border:1px solid #0000;text-decoration:none;transition:background-color .12s,border-color .12s,box-shadow .12s,color .12s;display:inline-flex}.mlt-wechat-login__button:hover{background:var(--mlt-wechat-login-action-bg-hover)}.mlt-wechat-login__button--secondary{border-color:var(--mlt-wechat-login-border);background:var(--mlt-wechat-login-surface);color:var(--mlt-wechat-login-text)}.mlt-wechat-login__button--secondary:hover{background:var(--mlt-wechat-login-surface-hover)}.mlt-wechat-login__guide{align-items:center;gap:var(--mlt-wechat-login-body-gap);flex-direction:column;width:100%;display:flex}.mlt-wechat-login__notice{align-items:flex-start;gap:var(--mlt-wechat-login-notice-gap);border:1px solid var(--mlt-wechat-login-border-muted);border-radius:var(--mlt-radius-lg);width:100%;padding:var(--mlt-wechat-login-notice-padding);background:var(--mlt-wechat-login-surface-muted);color:var(--mlt-wechat-login-text);display:flex}.mlt-wechat-login__noticeIcon{width:var(--mlt-wechat-login-notice-icon-size);height:var(--mlt-wechat-login-notice-icon-size);background:var(--mlt-wechat-login-info-soft);color:var(--mlt-wechat-login-info)}.mlt-wechat-login__notice strong,.mlt-wechat-login__notice small{display:block}.mlt-wechat-login__notice strong{color:var(--mlt-wechat-login-text);font-size:var(--mlt-wechat-login-text-size);font-weight:650;line-height:var(--mlt-wechat-login-text-line-height)}.mlt-wechat-login__notice small{color:var(--mlt-wechat-login-text-muted);font-size:var(--mlt-wechat-login-caption-size);line-height:var(--mlt-wechat-login-caption-line-height);margin-top:2px}.mlt-wechat-login__footer{align-items:center;gap:var(--mlt-wechat-login-footer-gap);border-top:1px solid var(--mlt-wechat-login-border-muted);min-width:0;padding-top:var(--mlt-wechat-login-footer-padding-top);color:var(--mlt-wechat-login-text-muted);font-size:var(--mlt-wechat-login-subtitle-size);line-height:var(--mlt-wechat-login-subtitle-line-height);display:flex}.mlt-wechat-login__statusDot{width:var(--mlt-wechat-login-status-dot-size);height:var(--mlt-wechat-login-status-dot-size);background:var(--mlt-wechat-login-text-muted);border-radius:50%;flex:none}.mlt-wechat-login__statusMessage{min-width:0;color:var(--mlt-wechat-login-text-muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.mlt-wechat-login[data-status=creating] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=redirecting] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=waiting] .mlt-wechat-login__statusDot{background:var(--mlt-wechat-login-info)}.mlt-wechat-login[data-status=scanned] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=confirmed] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=oauth-ready] .mlt-wechat-login__statusDot{background:var(--mlt-wechat-login-warning)}.mlt-wechat-login[data-status=success] .mlt-wechat-login__statusDot{background:var(--mlt-wechat-login-success)}.mlt-wechat-login[data-status=cancelled] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=error] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=expired] .mlt-wechat-login__statusDot,.mlt-wechat-login[data-status=unsupported] .mlt-wechat-login__statusDot{background:var(--mlt-wechat-login-danger)}.mlt-wechat-login__icon{width:var(--mlt-wechat-login-icon-size);height:var(--mlt-wechat-login-icon-size);display:block}.mlt-wechat-login__placeholder .mlt-wechat-login__icon,.mlt-wechat-login__noticeIcon .mlt-wechat-login__icon{width:var(--mlt-wechat-login-icon-size-sm);height:var(--mlt-wechat-login-icon-size-sm)}.mlt-wechat-login__placeholder .mlt-wechat-login__icon,.mlt-wechat-login__noticeIcon[data-icon=spinner] .mlt-wechat-login__icon{animation:.9s linear infinite mlt-spin}.mlt-feedback{font-family:var(--mlt-font-family)}.mlt-feedback *,.mlt-feedback :before,.mlt-feedback :after{box-sizing:border-box}.mlt-feedback-trigger{border:1px solid var(--mlt-color-border);background:var(--mlt-color-surface);width:56px;height:56px;color:var(--mlt-color-muted);box-shadow:var(--mlt-shadow-md);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:background-color .12s,border-color .12s,color .12s,box-shadow .12s,transform .12s;display:inline-flex}.mlt-feedback-trigger:hover{border-color:var(--mlt-color-primary);color:var(--mlt-color-primary);box-shadow:var(--mlt-shadow-lg);transform:translateY(-1px)}.mlt-feedback-trigger--floating{z-index:var(--mlt-z-overlay);position:fixed;bottom:24px;right:max(16px,50vw - 680px)}.mlt-feedback-overlay{z-index:var(--mlt-z-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1018286b;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.mlt-feedback-dialog{border:1px solid var(--mlt-color-border-muted);border-radius:var(--mlt-radius-lg);background:var(--mlt-color-surface);width:min(100%,512px);max-height:min(90vh,720px);color:var(--mlt-color-text);box-shadow:var(--mlt-shadow-lg);animation:.14s ease-out mlt-feedback-scale-in;overflow:hidden}.mlt-feedback-header{border-bottom:1px solid var(--mlt-color-border-muted);justify-content:space-between;align-items:center;gap:16px;padding:16px 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.12s,box-shadow .12s;display:flex}.mlt-feedback-category:hover{border-color:var(--mlt-color-muted);background:var(--mlt-color-surface-muted)}.mlt-feedback-category[data-selected=true]{border-color:var(--mlt-color-primary);background:var(--mlt-color-primary-soft);box-shadow:0 0 0 1px #155eef1f}.mlt-feedback-category__header{align-items:center;gap:8px;min-width:0;display:flex}.mlt-feedback-category__icon{width:18px;height:18px;color:var(--mlt-color-muted);flex:none;justify-content:center;align-items:center;display:inline-flex}.mlt-feedback-category[data-tone=danger] .mlt-feedback-category__icon{color:var(--mlt-color-danger)}.mlt-feedback-category[data-tone=warning] .mlt-feedback-category__icon{color:var(--mlt-color-warning)}.mlt-feedback-category[data-tone=info] .mlt-feedback-category__icon{color:var(--mlt-color-info)}.mlt-feedback-category__label{overflow-wrap:anywhere;color:var(--mlt-color-text);font-size:14px;font-weight:600;line-height:20px}.mlt-feedback-category__description{color:var(--mlt-color-muted);font-size:12px;line-height:18px}.mlt-feedback-field{flex-direction:column;min-width:0;display:flex}.mlt-feedback-textarea,.mlt-feedback-input{border:1px solid var(--mlt-color-border);border-radius:var(--mlt-radius-lg);background:var(--mlt-color-surface);width:100%;color:var(--mlt-color-text);font-family:var(--mlt-font-family);font-size:14px;line-height:20px;transition:border-color .12s,box-shadow .12s}.mlt-feedback-textarea::placeholder,.mlt-feedback-input::placeholder{color:var(--mlt-color-muted)}.mlt-feedback-textarea{resize:vertical;min-height:120px;padding:12px}.mlt-feedback-input{min-height:40px;padding:0 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var(--mlt-color-border-muted);background:#f9fafbb8;padding:16px 24px}.mlt-feedback-submit{border-radius:var(--mlt-radius-lg);background:var(--mlt-color-primary);width:100%;min-height:40px;color:var(--mlt-color-on-primary);font-family:var(--mlt-font-family);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-size:14px;font-weight:650;line-height:20px;transition:background-color .12s,box-shadow .12s;display:inline-flex}.mlt-feedback-submit:hover:not(:disabled){background:var(--mlt-color-primary-hover);box-shadow:0 8px 16px #155eef2e}.mlt-feedback-submit:disabled{cursor:not-allowed;opacity:.58}.mlt-feedback-submit__spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite mlt-spin}.mlt-feedback-success{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:240px;padding:48px 24px;display:flex}.mlt-feedback-success__icon{background:var(--mlt-color-success-soft);width:64px;height:64px;color:var(--mlt-color-success);border-radius:50%;margin-bottom:16px}.mlt-feedback-success__title{margin-bottom:8px}.mlt-feedback-icon{width:20px;height:20px;display:block}.mlt-feedback-category__icon .mlt-feedback-icon,.mlt-feedback-page .mlt-feedback-icon,.mlt-feedback-submit .mlt-feedback-icon,.mlt-feedback-close .mlt-feedback-icon{width:16px;height:16px}@media (max-width:480px){.mlt-wechat-login{padding:var(--mlt-wechat-login-padding-mobile)}.mlt-wechat-login__body{min-height:var(--mlt-wechat-login-body-min-height-mobile)}.mlt-wechat-login__qrFrame{width:min(100%, var(--mlt-wechat-login-qr-size))}.mlt-feedback-overlay{align-items:flex-end;padding:0}.mlt-feedback-dialog{border-radius:var(--mlt-radius-lg) var(--mlt-radius-lg) 0 0;border-bottom:0;border-left:0;border-right:0;width:100%;max-height:92vh}.mlt-feedback-header,.mlt-feedback-body,.mlt-feedback-footer{padding-left:16px;padding-right:16px}.mlt-feedback-categories{grid-template-columns:1fr}}@keyframes mlt-spin{to{transform:rotate(360deg)}}@keyframes mlt-feedback-scale-in{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}