/* iQuickq - ConvertIO Inspired Design */
/* Primary: #4285F4 (Google Blue) */
/* Secondary: #34A853 (Google Green) */
/* Accent: #FBBC05 (Google Yellow) */
/* Alert: #EA4335 (Google Red) */

:root {
    --primary: #4285F4;
    --primary-dark: #3367D6;
    --primary-light: #E8F0FE;
    --secondary: #34A853;
    --secondary-dark: #2E7D32;
    --accent: #FBBC05;
    --alert: #EA4335;
    --text-primary: #202124;
    --text-secondary: #5F6368;
    --text-tertiary: #9AA0A6;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #F1F3F4;
    --border: #DADCE0;
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.1), 0 1px 3px 1px rgba(60,64,67,0.08);
    --shadow-md: 0 2px 6px 2px rgba(60,64,67,0.1), 0 1px 2px 0 rgba(60,64,67,0.08);
    --shadow-lg: 0 4px 12px rgba(60,64,67,0.15), 0 1px 3px rgba(60,64,67,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--primary);
}

.header-nav a.nav-cta{
    background: var(--primary);
    color: white ;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    transition: background 0.2s, box-shadow 0.2s;
}

.header-nav a.nav-cta:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
}

.mobile-nav {
    display: none;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    padding: 16px 24px;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    border-bottom: 1px solid var(--bg-gray);
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero h1 .highlight {
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--text-tertiary);
}

.btn-success {
    background: var(--secondary);
    color: white;
}

.btn-success:hover {
    background: var(--secondary-dark);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-gray);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Upload Area (ConvertIO Style) */
.upload-area {
    background: var(--bg-white);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    margin: 40px auto;
    max-width: 700px;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 36px;
}

.upload-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Steps Section */
.steps-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: 32px 24px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Platform Cards */
.platforms-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.platform-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 28px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.platform-card:hover {
    background: var(--bg-white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.platform-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.platform-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.platform-card p {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

/* Download Page */
.download-section {
    padding: 60px 0;
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.page-header {
    text-align: center;
    margin-bottom: 48px;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.download-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.download-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.download-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.download-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.download-icon.win { background: #E3F2FD; }
.download-icon.mac { background: #F3E5F5; }
.download-icon.linux { background: #FFF3E0; }
.download-icon.android { background: #E8F5E9; }
.download-icon.ios { background: #ECEFF1; }

.download-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.download-info p {
    font-size: 13px;
    color: var(--text-tertiary);
}

.download-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.download-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Tags */
.tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.tag-blue { background: #E3F2FD; color: #1565C0; }
.tag-green { background: #E8F5E9; color: #2E7D32; }
.tag-purple { background: #F3E5F5; color: #7B1FA2; }
.tag-orange { background: #FFF3E0; color: #E65100; }

/* Friend Links */
.friend-links {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-top: 48px;
}

.friend-links h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.friend-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.friend-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 14px;
    background: var(--bg-white);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.friend-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

/* Footer */
.footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(32, 33, 36, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.popup-overlay.active {
    display: flex;
}

.popup {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: popupIn 0.3s ease;
}

@keyframes popupIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-gray);
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.popup-close:hover {
    background: var(--border);
    color: var(--text-primary);
}

.popup-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 36px;
}

.popup h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.popup p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.popup-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-secondary);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}


/* --- Misc --- */
.disclaimer-box {
    margin-top: 40px;
    padding: 24px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}
.disclaimer-box h3 {
    margin-bottom: 12px;
    font-size: 17px;
    font-weight: 600;
}
.disclaimer-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive */

/* --- Changelog Page --- */
.changelog-list {
    max-width: 800px;
    margin: 0 auto;
}
.changelog-item {
    display: flex;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
}
.changelog-item:last-child {
    border-bottom: none;
}
.changelog-version {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 120px;
}
.version-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
}
.version-date {
    font-size: 13px;
    color: var(--text-tertiary);
}
.changelog-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.changelog-content ul {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.9;
}

/* --- FAQ Page --- */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--bg-white);
}
.faq-item summary {
    padding: 18px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bg-light);
    transition: background 0.2s;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
    content: '+';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}
.faq-item[open] summary::before { content: '−'; }
.faq-item summary:hover { background: var(--border); }
.faq-answer {
    padding: 4px 24px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}
.faq-answer p { margin: 0; }

/* --- About Page --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.about-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}
.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.about-icon {
    font-size: 36px;
    margin-bottom: 16px;
}
.about-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.about-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- Privacy Page --- */
.privacy-section {
    margin-bottom: 32px;
}
.privacy-section h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.privacy-section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* --- Download button override --- */
.dl-btn {
    min-width: 140px;
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .mobile-nav.active {
        display: block;
    }
    
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .popup {
        padding: 32px 24px;
    }
    
    .popup-actions {
        flex-direction: column;
    }
}

/* ===== q3q20 审计修复（抽内联 / 图标） ===== */
.q3q20-mb10{margin-bottom: 10px}
.q3q20-rel{position: relative}
.q3q20-m0{margin: 0}
.q3q20-flexhead{align-items: center; display: flex; gap: 16px; margin-bottom: 20px}
.q3q20-py6040{padding: 60px 0 40px}
.q3q20-cardhead15{font-size: 15px; font-weight: 600; margin-bottom: 10px}
.q3q20-listtext{color: var(--text-secondary); font-size: 14px; line-height: 1.8; padding-left: 20px}
.q3q20-mb16{margin-bottom: 16px}
.q3q20-sub20{color: var(--text-secondary); font-size: 14px; margin-bottom: 20px}
.q3q20-center100{justify-content: center; width: 100%}
.q3q20-btn14{font-size: 14px; padding: 10px 20px}
.q3q20-h2-2rem{font-size: 2rem; font-weight: 700; margin-bottom: 12px}
.q3q20-text105{color: var(--text-secondary); font-size: 1.05rem}
.q3q20-text14{color: var(--text-secondary); font-size: 14px}
.q3q20-cardpad32{padding: 32px; text-align: left}
.q3q20-listreset{color: var(--text-secondary); font-size: 14px; list-style: none}
.q3q20-card{background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 16px; padding: 24px}
.q3q20-cardhead16{font-size: 16px; font-weight: 600; margin-bottom: 10px}
.q3q20-text146{color: var(--text-secondary); font-size: 14px; line-height: 1.6}
.q3q20-cardplain{background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm)}
.q3q20-cardlg{background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 24px; padding: 32px}
.q3q20-h3-20{font-size: 20px; font-weight: 600; margin-bottom: 4px}
.q3q20-grid{display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr))}
.q3q20-bgl{background: var(--bg-light)}
.q3q20-seccenter{padding: 80px 0; text-align: center}
.q3q20-h1-32{font-size: 32px; font-weight: 700; margin-bottom: 16px}
.q3q20-sub16{color: var(--text-secondary); font-size: 16px; margin-bottom: 32px}
.q3q20-mt12{margin-top: 12px}
.q3q20-note{background: var(--bg-light); border-radius: var(--radius-md); border: 1px solid var(--border); margin-top: 40px; padding: 24px}
.q3q20-mb12{margin-bottom: 12px}
.q3q20-text092{color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8}
.q3q20-cta{background: var(--primary-light); border-radius: var(--radius-md); margin: 40px auto 0; max-width: 800px; padding: 24px; text-align: center}
.q3q20-h2-24{font-size: 24px; margin-bottom: 12px}
.q3q20-title16{font-size: 16px; font-weight: 600; margin-bottom: 8px}
.q3q20-py60{padding: 60px 0}
.q3q20-flexwrap16{display: flex; flex-wrap: wrap; gap: 16px; justify-content: center}
.q3q20-textpri{color: var(--primary); font-size: 14px; font-weight: 500}
.q3q20-fic-blue{align-items: center; background: #e3f2fd; border-radius: var(--radius-sm); display: flex; font-size: 28px; height: 56px; justify-content: center; width: 56px}
.q3q20-fic-purple{align-items: center; background: #f3e5f5; border-radius: var(--radius-sm); display: flex; font-size: 28px; height: 56px; justify-content: center; width: 56px}
.q3q20-fic-green{align-items: center; background: #e8f5e9; border-radius: var(--radius-sm); display: flex; font-size: 28px; height: 56px; justify-content: center; width: 56px}
.q3q20-seclight{background: var(--bg-light); padding: 60px 0}
.q3q20-mxauto800{margin: 0 auto; max-width: 800px}
.q3q20-p4060{padding: 40px 0 60px}
.q3q20-flwrap{display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 28px}
.q3q20-mw760{max-width: 760px}
.brand-icon .ti{color:#fff}
.feature-icon .ti,.platform-icon .ti,.upload-icon .ti{color:var(--primary)}