/* ================================================================
   Hi-Operator — Auth Pages (Login / Register / Forgot Password)
   PC base styles — mobile overrides in auth-mobile.css
   ================================================================ */

:root {
    --auth-primary:     #1F2937;
    --auth-accent:      #E53E3E;
    --auth-accent-hover:#C53030;
    --auth-bg:          #EEF2F7;
    --auth-card-bg:     #FFFFFF;
    --auth-input-bg:    #F7FAFC;
    --auth-input-border:#E2E8F0;
    --auth-input-focus: #E53E3E;
    --auth-text:        #1A1A2E;
    --auth-text-light:  #718096;
    --auth-text-muted:  #A0AEC0;
    --auth-radius:      36px;
    --auth-radius-card: 16px;
    --auth-shadow:      0 20px 60px rgba(0,0,0,0.08);
    --auth-font-en:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --auth-font-zh:     'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*,*::before,*::after { box-sizing: border-box; }

.auth-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #EEF2F7 0%, #E2E8F0 50%, #EDF2F7 100%);
    font-family: var(--auth-font-en);
    position: relative;
    overflow: hidden;
}

.lang-zh .auth-page { font-family: var(--auth-font-zh); }

/* Decorative background shapes */
.auth-page::before,
.auth-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    z-index: 0;
}
.auth-page::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(229,62,62,0.06) 0%, transparent 70%);
    top: -200px;
    right: -150px;
}
.auth-page::after {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(31,41,55,0.05) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

/* ---- Top Bar (lang switch) ---- */
.auth-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
}

.auth-lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--auth-text-light);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--auth-input-border);
    border-radius: var(--auth-radius);
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: inherit;
}
.auth-lang-btn:hover {
    background: #fff;
    color: var(--auth-text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.auth-lang-btn i {
    font-size: 14px;
}

.auth-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 16px;
    color: var(--auth-text-muted);
    background: var(--auth-input-bg);
    border: 1px solid var(--auth-input-border);
    text-decoration: none;
    transition: all 0.3s ease;
}
.auth-close-btn:hover {
    background: var(--auth-accent);
    color: #fff;
    border-color: var(--auth-accent);
    box-shadow: 0 2px 12px rgba(229,62,62,0.3);
}

/* ---- Logo ---- */
.auth-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 40px;
    z-index: 1;
}
.auth-logo-icon {
    width: 40px;
    height: 40px;
}
.auth-logo-text {
    font-size: 22px;
    color: var(--auth-primary);
    font-weight: 400;
    letter-spacing: -0.5px;
}
.auth-logo-text strong {
    font-weight: 700;
}

/* ---- Card Container ---- */
.auth-card {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: row-reverse;
    width: 100%;
    max-width: 920px;
    background: var(--auth-card-bg);
    border-radius: var(--auth-radius-card);
    box-shadow: var(--auth-shadow);
    overflow: hidden;
    margin: 0 20px;
}

/* ---- Form Side ---- */
.auth-form-side {
    position: relative;
    flex: 1 1 55%;
    padding: 48px 48px 40px;
    overflow: hidden;
}

.auth-form-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--auth-text);
    margin-bottom: 4px;
}

.auth-form-subtitle {
    font-size: 15px;
    color: var(--auth-text-light);
    margin-bottom: 32px;
}

/* ---- Form Elements ---- */
.auth-form-group {
    margin-bottom: 16px;
    position: relative;
}

.auth-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--auth-text);
    margin-bottom: 6px;
}

.auth-input-wrap {
    position: relative;
}

.auth-input-wrap .auth-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--auth-text-muted);
    pointer-events: none;
}

.auth-input-wrap input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    font-size: 15px;
    color: var(--auth-text);
    background: var(--auth-input-bg);
    border: 1.5px solid var(--auth-input-border);
    border-radius: 8px;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

.auth-input-wrap input::placeholder {
    color: var(--auth-text-muted);
}

.auth-input-wrap input:focus {
    background: #fff;
    border-color: var(--auth-input-focus);
    box-shadow: 0 0 0 3px rgba(229,62,62,0.1);
}

.auth-input-wrap .auth-toggle-pwd {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--auth-text-muted);
    font-size: 16px;
    line-height: 1;
    border-radius: 0;
}
.auth-toggle-pwd:hover {
    color: var(--auth-text-light);
}

/* Form row for side-by-side fields */
.auth-form-row {
    display: flex;
    gap: 14px;
}
.auth-form-row .auth-form-group {
    flex: 1;
}

/* ---- Checkbox / Remember ---- */
.auth-form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.auth-remember {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--auth-text-light);
    cursor: pointer;
    flex-wrap: wrap;
}

.auth-form-options.has-error {
    background: #fef2f2;
    border: 1px solid #E53E3E;
    border-radius: 8px;
    padding: 10px 14px;
}
.auth-form-options.has-error .auth-remember {
    color: #E53E3E;
}

.auth-form-error {
    background: #fef2f2;
    border: 1px solid #E53E3E;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 14px;
    color: #E53E3E;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.5;
}
.auth-form-error i {
    flex-shrink: 0;
    font-size: 16px;
}

.auth-remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--auth-accent);
    border-radius: 4px;
    cursor: pointer;
}

.auth-forgot-link {
    color: var(--auth-accent);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}
.auth-forgot-link:hover {
    text-decoration: underline;
}

/* ---- Submit Button ---- */
.auth-btn {
    width: 100%;
    padding: 15px 24px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--auth-accent);
    border: none;
    border-radius: var(--auth-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}
.auth-btn:hover {
    background: var(--auth-accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(229,62,62,0.3);
}
.auth-btn:active {
    transform: translateY(0);
}
.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth-btn .auth-btn-loading {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: authSpin 0.6s linear infinite;
    margin: 0 auto;
}
.auth-btn.is-loading .auth-btn-text { visibility: hidden; }
.auth-btn.is-loading .auth-btn-loading { display: inline-block; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }

@keyframes authSpin {
    to { transform: translate(-50%,-50%) rotate(360deg); }
}

/* ---- Divider ---- */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--auth-text-muted);
    font-size: 13px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--auth-input-border);
}

/* ---- Social Login ---- */
.auth-social {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.auth-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--auth-input-border);
    background: #fff;
    color: var(--auth-text-light);
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.auth-social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.auth-social-google:hover   { border-color: #EA4335; color: #EA4335; }
.auth-social-facebook:hover { border-color: #1877F2; color: #1877F2; }
.auth-social-linkedin:hover { border-color: #0A66C2; color: #0A66C2; }
.auth-social-qq:hover       { border-color: #12B7F5; color: #12B7F5; }
.auth-social-wechat:hover   { border-color: #07C160; color: #07C160; }

/* ---- Social Login Error ---- */
.auth-social-error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.5;
}
.auth-social-error i {
    flex-shrink: 0;
}

/* ---- Bottom Link ---- */
.auth-bottom-link {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--auth-text-light);
}
.auth-bottom-link a {
    color: var(--auth-accent);
    font-weight: 600;
    text-decoration: none;
}
.auth-bottom-link a:hover {
    text-decoration: underline;
}

/* ---- Brand Side (right visual panel) ---- */
.auth-brand-side {
    flex: 1 1 45%;
    background: linear-gradient(145deg, #1F2937 0%, #111827 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.auth-brand-side::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(229,62,62,0.15) 0%, transparent 70%);
    top: -50px;
    right: -50px;
    border-radius: 50%;
}
.auth-brand-side::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    bottom: -30px;
    left: -30px;
    border-radius: 50%;
}

.auth-brand-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.auth-brand-icon {
    width: 80px;
    height: 80px;
    background: rgba(229,62,62,0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 36px;
    color: var(--auth-accent);
}

.auth-brand-title {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
}

.auth-brand-desc {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.7;
    max-width: 280px;
    margin: 0 auto;
}

.auth-brand-features {
    margin-top: 36px;
    text-align: left;
    list-style: none;
    padding: 0;
}
.auth-brand-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 14px;
}
.auth-brand-features li i {
    color: var(--auth-accent);
    font-size: 14px;
    width: 24px;
    height: 24px;
    background: rgba(229,62,62,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ---- Footer ---- */
.auth-footer {
    z-index: 1;
    margin-top: 32px;
    text-align: center;
    font-size: 13px;
    color: var(--auth-text-muted);
}
.auth-footer a {
    color: var(--auth-text-light);
    text-decoration: none;
}
.auth-footer a:hover {
    color: var(--auth-accent);
}

/* ---- Success Message ---- */
.auth-success-msg {
    display: none;
    text-align: center;
    padding: 32px 0;
}
.auth-success-msg.is-visible { display: block; }
.auth-success-msg .auth-success-icon {
    font-size: 56px;
    color: #48BB78;
    margin-bottom: 16px;
}
.auth-success-msg h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--auth-text);
    margin-bottom: 8px;
}
.auth-success-msg p {
    font-size: 14px;
    color: var(--auth-text-light);
    margin-bottom: 24px;
}

/* ---- Form Error ---- */
.auth-field-error {
    font-size: 12px;
    color: var(--auth-accent);
    margin-top: 4px;
    display: none;
}
.auth-form-group.has-error .auth-field-error { display: block; }
.auth-form-group.has-error input { border-color: var(--auth-accent); }

/* ---- CAPTCHA ---- */
.auth-captcha-group {
    max-height: 200px;
    opacity: 1;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease, margin-bottom 0.35s ease;
}

.auth-captcha-group.is-hidden {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0 !important;
    pointer-events: none;
}

.auth-captcha-wrap {
    display: flex;
    border-radius: 8px;
    border: 1.5px solid var(--auth-input-border);
    background: var(--auth-input-bg);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.auth-captcha-wrap:focus-within {
    background: #fff;
    border-color: var(--auth-input-focus);
    box-shadow: 0 0 0 3px rgba(229,62,62,0.1);
}

.auth-captcha-wrap input {
    flex: 1;
    min-width: 0;
    padding: 13px 14px 13px 40px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--auth-text);
    background: transparent;
    border: none;
    outline: none;
    font-family: 'Courier New', Courier, monospace;
}

.auth-captcha-wrap input::placeholder {
    font-family: var(--auth-font-en);
    letter-spacing: 0;
    font-weight: 400;
    font-size: 14px;
    color: var(--auth-text-muted);
}

.lang-zh .auth-captcha-wrap input::placeholder {
    font-family: var(--auth-font-zh);
}

.auth-captcha-wrap .auth-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    color: var(--auth-text-muted);
    pointer-events: none;
    z-index: 1;
}

.auth-captcha-input-side {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

.auth-captcha-divider {
    width: 1px;
    align-self: stretch;
    margin: 8px 0;
    background: var(--auth-input-border);
}

.auth-captcha-img {
    width: 130px;
    height: auto;
    flex-shrink: 0;
    cursor: pointer;
    display: block;
    transition: opacity 0.2s ease;
    padding: 4px;
}

.auth-captcha-img:hover {
    opacity: 0.7;
}

.auth-captcha-hint {
    font-size: 11px;
    color: var(--auth-text-muted);
    margin-top: 5px;
}

.auth-captcha-hint i {
    margin-right: 3px;
}

.auth-form-group.has-error .auth-captcha-wrap {
    border-color: var(--auth-accent);
}


/* ---- Password Strength ---- */
.auth-pwd-strength {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}
.auth-pwd-bar {
    height: 3px;
    flex: 1;
    background: var(--auth-input-border);
    border-radius: 2px;
    transition: background 0.3s ease;
}
.auth-pwd-strength[data-level="1"] .auth-pwd-bar:nth-child(1) { background: #E53E3E; }
.auth-pwd-strength[data-level="2"] .auth-pwd-bar:nth-child(-n+2) { background: #ECC94B; }
.auth-pwd-strength[data-level="3"] .auth-pwd-bar:nth-child(-n+3) { background: #48BB78; }
.auth-pwd-strength[data-level="4"] .auth-pwd-bar { background: #38A169; }

.auth-pwd-label {
    font-size: 11px;
    color: var(--auth-text-muted);
    margin-top: 4px;
}

/* Responsive rules moved to auth-mobile.css for device-based loading */

/* ---- Legal Modal ---- */
.auth-legal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity .25s ease;
}
.auth-legal-overlay.is-open {
    display: flex;
    opacity: 1;
}
.auth-legal-modal {
    background: #fff;
    border-radius: 16px;
    width: 640px;
    max-width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
    transform: translateY(20px);
    transition: transform .3s ease;
}
.auth-legal-overlay.is-open .auth-legal-modal {
    transform: translateY(0);
}
.auth-legal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--auth-input-border);
    flex-shrink: 0;
}
.auth-legal-tabs {
    display: flex;
    gap: 4px;
    background: var(--auth-input-bg);
    border-radius: 8px;
    padding: 3px;
}
.auth-legal-tab {
    padding: 8px 18px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--auth-text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s ease;
}
.auth-legal-tab:hover {
    color: var(--auth-text);
}
.auth-legal-tab.is-active {
    background: #fff;
    color: var(--auth-accent);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.auth-legal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--auth-input-bg);
    border-radius: 50%;
    font-size: 16px;
    color: var(--auth-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
    flex-shrink: 0;
}
.auth-legal-close:hover {
    background: var(--auth-accent);
    color: #fff;
}
.auth-legal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--auth-text-light);
}
.auth-legal-body h3,
.auth-legal-body h4 {
    color: var(--auth-text);
    margin: 16px 0 8px;
}
.auth-legal-body h3:first-child,
.auth-legal-body h4:first-child {
    margin-top: 0;
}
.auth-legal-body p {
    margin: 0 0 12px;
}
.auth-legal-body ul {
    padding-left: 20px;
    margin: 0 0 12px;
}
.auth-legal-body li {
    margin-bottom: 4px;
}
.auth-legal-panel {
    display: none;
}
.auth-legal-panel.is-active {
    display: block;
}
.auth-legal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--auth-input-border);
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
}
.auth-legal-footer .auth-btn {
    width: auto;
    padding: 12px 32px;
}

/* Legal modal mobile rules moved to auth-mobile.css */

/* ================================================================
   Animated Characters — Brand Side Style 2
   ================================================================ */
.auth-brand-side.ac-style {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 0;
}
.auth-brand-side.ac-style::before {
    background: radial-gradient(circle, rgba(229,62,62,0.12) 0%, transparent 70%);
}
.auth-brand-side.ac-style::after {
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
}

#hoAnimatedChars {
    position: relative;
    width: 100%;
    flex: 1 1 0%;
    min-height: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}

/* Scene: fixed design viewport (260×220), scaled by JS to fit container */
.ac-scene {
    position: relative;
    width: 260px;
    height: 220px;
    flex-shrink: 0;
    transform-origin: bottom center;
}

/* ---- Shared character base ---- */
.ac-char {
    position: absolute;
    border-radius: 32px;
    transition: transform 0.15s ease-out;
    transform-origin: bottom center;
}

/* ---- Purple character (back left) ---- */
.ac-purple {
    width: 91px;
    height: 260px;
    background: #7C3AED;
    bottom: 0;
    left: 3%;
    z-index: 1;
    border-radius: 46px 46px 21px 21px;
}

/* ---- Black character (middle) ---- */
.ac-black {
    width: 78px;
    height: 180px;
    background: #1F2937;
    bottom: 0;
    left: 30%;
    z-index: 2;
    border-radius: 39px 39px 18px 18px;
}

/* ---- Orange character (front left, semi-circle) ---- */
.ac-orange {
    width: 117px;
    height: 117px;
    background: #F97316;
    bottom: 0;
    z-index: 3;
    border-radius: 50%;
    transform-origin: bottom center;
}

/* ---- Yellow character (front right) ---- */
.ac-yellow {
    width: 85px;
    height: 190px;
    background: #FACC15;
    bottom: 0;
    right: 3%;
    z-index: 3;
    border-radius: 42px 42px 18px 18px;
}

/* ---- Eyes container ---- */
.ac-eyes {
    position: absolute;
    display: flex;
    gap: 7px;
    transition: left 0.12s ease-out, top 0.12s ease-out;
    z-index: 5;
}

.ac-eyes--bare {
    gap: 9px;
}

/* ---- Eyeball (white part, for purple & black) ---- */
.ac-eyeball {
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s ease;
    will-change: transform;
}

/* ---- Pupil inside eyeball ---- */
.ac-pupil {
    width: 9px;
    height: 9px;
    background: #111;
    border-radius: 50%;
    transition: transform 0.08s ease-out;
    will-change: transform;
}

/* ---- Bare pupil (no white, for orange & yellow) ---- */
.ac-pupil-bare {
    width: 8px;
    height: 8px;
    background: #111;
    border-radius: 50%;
    transition: transform 0.08s ease-out;
    will-change: transform;
}

/* ---- Mouth line (yellow character) ---- */
.ac-mouth {
    position: absolute;
    width: 20px;
    height: 2px;
    background: #111;
    border-radius: 2px;
    transition: left 0.12s ease-out, top 0.12s ease-out;
    z-index: 5;
}