/* ============================================
   集群定制主题 - 全站统一样式 (科技感升级版)
   ============================================ */

/* --- CSS Variables --- */
:root {
    --jqdz-primary: #4361ee;
    --jqdz-primary-dark: #3a56d4;
    --jqdz-primary-light: #eef1ff;
    --jqdz-secondary: #7209b7;
    --jqdz-accent: #f72585;
    --jqdz-accent-light: #ff6ba6;
    --jqdz-dark: #0b0d17;
    --jqdz-dark-card: #12152a;
    --jqdz-text: #c8ccd8;
    --jqdz-text-bright: #eef0f6;
    --jqdz-text-light: #8892a4;
    --jqdz-bg: #0b0d17;
    --jqdz-bg-light: #10132a;
    --jqdz-bg-card: #161a35;
    --jqdz-border: rgba(67, 97, 238, 0.15);
    --jqdz-border-light: rgba(255, 255, 255, 0.06);
    --jqdz-glow: rgba(67, 97, 238, 0.4);
    --jqdz-glow-accent: rgba(247, 37, 133, 0.4);
    --jqdz-radius: 16px;
    --jqdz-radius-sm: 10px;
    --jqdz-radius-lg: 24px;
    --jqdz-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --jqdz-shadow-lg: 0 8px 60px rgba(0, 0, 0, 0.4);
    --jqdz-shadow-glow: 0 0 30px rgba(67, 97, 238, 0.15);
    --jqdz-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --jqdz-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --jqdz-max-width: 1200px;
}

/* --- Animations --- */
@keyframes jqdz-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes jqdz-pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(67, 97, 238, 0.2); }
    50% { box-shadow: 0 0 40px rgba(67, 97, 238, 0.4); }
}

@keyframes jqdz-gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes jqdz-scan-line {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

@keyframes jqdz-particle-float {
    0% { transform: translate(0, 0) scale(1); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translate(var(--px, 50px), var(--py, -200px)) scale(0); opacity: 0; }
}

@keyframes jqdz-border-flow {
    0% { border-image-source: linear-gradient(0deg, var(--jqdz-primary), var(--jqdz-accent), var(--jqdz-primary)); }
    33% { border-image-source: linear-gradient(120deg, var(--jqdz-primary), var(--jqdz-accent), var(--jqdz-primary)); }
    66% { border-image-source: linear-gradient(240deg, var(--jqdz-primary), var(--jqdz-accent), var(--jqdz-primary)); }
    100% { border-image-source: linear-gradient(360deg, var(--jqdz-primary), var(--jqdz-accent), var(--jqdz-primary)); }
}

@keyframes jqdz-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes jqdz-rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes jqdz-fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes jqdz-scale-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* --- Reset & Base --- */
.jqdz-page,
.jqdz-page *,
.page-template * {
    box-sizing: border-box;
}

.jqdz-page {
    font-family: var(--jqdz-font);
    color: var(--jqdz-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    background: var(--jqdz-bg);
    overflow-x: hidden;
}

.jqdz-container {
    max-width: var(--jqdz-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.jqdz-text-center { text-align: center; }

/* --- Section Base --- */
.jqdz-section {
    padding: 100px 0;
    position: relative;
}

.jqdz-section-light {
    background: var(--jqdz-bg-light);
}

.jqdz-section-dark {
    background: var(--jqdz-dark);
}

.jqdz-section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.jqdz-section-subtitle {
    font-size: 18px;
    color: var(--jqdz-text-light);
    text-align: center;
    margin-bottom: 56px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* --- Buttons --- */
.jqdz-btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--jqdz-radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--jqdz-transition);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.jqdz-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.jqdz-btn:hover::before {
    left: 100%;
}

.jqdz-btn-primary {
    background: linear-gradient(135deg, var(--jqdz-primary) 0%, var(--jqdz-secondary) 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(67, 97, 238, 0.3);
}

.jqdz-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(67, 97, 238, 0.5);
}

.jqdz-btn-outline {
    background: transparent;
    color: var(--jqdz-text-bright);
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
}

.jqdz-btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

.jqdz-btn-accent {
    background: linear-gradient(135deg, var(--jqdz-accent) 0%, #c026d3 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(247, 37, 133, 0.3);
}

.jqdz-btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(247, 37, 133, 0.5);
}

.jqdz-btn-lg {
    padding: 18px 44px;
    font-size: 17px;
    border-radius: var(--jqdz-radius);
}

/* --- Hero Section --- */
.jqdz-hero {
    padding: 120px 0 80px;
    background: var(--jqdz-bg);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Animated gradient mesh background */
.jqdz-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(67, 97, 238, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(114, 9, 183, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(247, 37, 133, 0.08) 0%, transparent 50%);
    animation: jqdz-gradient-shift 15s ease infinite;
    background-size: 200% 200%;
    pointer-events: none;
}

/* Grid lines overlay */
.jqdz-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(67, 97, 238, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(67, 97, 238, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.jqdz-hero .jqdz-container {
    position: relative;
    z-index: 1;
}

.jqdz-hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, #fff 0%, #c8d6e5 50%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: jqdz-fade-up 0.8s ease-out;
}

.jqdz-hero-subtitle {
    font-size: 20px;
    opacity: 0.75;
    margin-bottom: 36px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: jqdz-fade-up 0.8s ease-out 0.15s both;
}

.jqdz-hero-desc {
    font-size: 17px;
    opacity: 0.65;
    margin-bottom: 36px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: jqdz-fade-up 0.8s ease-out 0.2s both;
}

.jqdz-hero-buttons,
.jqdz-hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: jqdz-fade-up 0.8s ease-out 0.3s both;
}

.jqdz-hero-image {
    margin-top: 48px;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    animation: jqdz-fade-up 1s ease-out 0.5s both;
}

.jqdz-hero-image img {
    width: 100%;
    min-height: 500px;
    height: auto;
    object-fit: contain;
    border-radius: var(--jqdz-radius-lg);
    box-shadow: 0 20px 80px rgba(67, 97, 238, 0.2), 0 0 0 1px rgba(67, 97, 238, 0.1);
}

.jqdz-hero-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.jqdz-hero-tags span {
    padding: 8px 20px;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.25);
    border-radius: 100px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    transition: var(--jqdz-transition);
}

.jqdz-hero-tags span:hover {
    background: rgba(67, 97, 238, 0.2);
    border-color: rgba(67, 97, 238, 0.5);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.2);
}

/* Hero Stats */
.jqdz-hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: jqdz-fade-up 0.8s ease-out 0.25s both;
}

.jqdz-stat-item {
    text-align: center;
}

.jqdz-stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.jqdz-stat-label {
    font-size: 14px;
    color: var(--jqdz-text-light);
}

/* --- Pricing Plans --- */
.jqdz-pricing-plans {
    padding: 100px 0;
    background: var(--jqdz-bg-light);
}

.jqdz-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.jqdz-plan-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 40px 28px;
    text-align: center;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
    position: relative;
    backdrop-filter: blur(12px);
}

.jqdz-plan-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--jqdz-shadow-glow);
    border-color: rgba(67, 97, 238, 0.3);
}

.jqdz-plan-popular {
    border-color: var(--jqdz-primary);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.15);
}

.jqdz-plan-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-accent));
    color: #fff;
    padding: 5px 22px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.jqdz-plan-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 16px;
}

.jqdz-plan-price { margin-bottom: 8px; }

.jqdz-price-amount {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, #c8d6e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.jqdz-price-period {
    font-size: 16px;
    color: var(--jqdz-text-light);
}

.jqdz-plan-profiles {
    font-size: 14px;
    color: var(--jqdz-text-light);
    margin-bottom: 4px;
}

.jqdz-plan-desc {
    font-size: 14px;
    color: var(--jqdz-primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.jqdz-plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    text-align: left;
}

.jqdz-plan-features li {
    padding: 10px 0;
    font-size: 14px;
    color: var(--jqdz-text);
    border-bottom: 1px solid var(--jqdz-border-light);
    padding-left: 28px;
    position: relative;
}

.jqdz-plan-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%234361ee' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%234361ee' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

.jqdz-plan-card .jqdz-btn { width: 100%; }

/* Custom Plan */
.jqdz-custom-plan {
    background: linear-gradient(135deg, var(--jqdz-primary) 0%, var(--jqdz-secondary) 100%);
    border-radius: var(--jqdz-radius-lg);
    padding: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    color: #fff;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}

.jqdz-custom-plan::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.jqdz-custom-plan h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.jqdz-custom-plan p {
    opacity: 0.9;
    margin-bottom: 4px;
}

.jqdz-custom-price {
    font-size: 20px;
    font-weight: 700;
}

.jqdz-custom-plan .jqdz-btn {
    background: #fff;
    color: var(--jqdz-primary);
    border-color: #fff;
    white-space: nowrap;
}

.jqdz-custom-plan .jqdz-btn:hover {
    background: rgba(255,255,255,0.9);
}

/* Payment Logos */
.jqdz-payment-logos {
    text-align: center;
    padding: 32px 0;
}

.jqdz-payment-logos p:first-child {
    font-size: 16px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    margin-bottom: 4px;
}

.jqdz-payment-note {
    font-size: 13px;
    color: var(--jqdz-text-light);
    margin-bottom: 16px;
}

.jqdz-logo-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
}

.jqdz-logo-row img {
    height: 40px;
    width: auto;
    opacity: 0.5;
    transition: var(--jqdz-transition);
    filter: grayscale(1) brightness(2);
}

.jqdz-logo-row img:hover {
    opacity: 1;
    filter: none;
}

/* --- Features Table --- */
.jqdz-features-table { padding: 100px 0; }

.jqdz-table-block { margin-bottom: 32px; }

.jqdz-table-group-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--jqdz-primary);
    display: inline-block;
}

.jqdz-compare-table,
.jqdz-comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    overflow: hidden;
    box-shadow: var(--jqdz-shadow);
    border: 1px solid var(--jqdz-border);
}

.jqdz-compare-table th,
.jqdz-compare-table td,
.jqdz-comparison-table th,
.jqdz-comparison-table td {
    padding: 14px 20px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--jqdz-border-light);
}

.jqdz-compare-table th,
.jqdz-comparison-table th {
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-secondary));
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.jqdz-compare-table td:first-child,
.jqdz-comparison-table td:first-child {
    font-weight: 500;
    color: var(--jqdz-text-bright);
    min-width: 200px;
}

.jqdz-check::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%2310b981' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%2310b981' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

.jqdz-cross::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M18 6L6 18M6 6l12 12' stroke='%23ef4444' stroke-width='2.5' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%23ef4444' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

/* --- FAQ Section --- */
.jqdz-faq { padding: 100px 0; }

.jqdz-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.jqdz-faq-item {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
}

.jqdz-faq-item:hover {
    border-color: rgba(67, 97, 238, 0.35);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.08);
}

.jqdz-faq-q {
    padding: 22px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    cursor: pointer;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.jqdz-faq-q::after {
    content: '+';
    font-size: 24px;
    color: var(--jqdz-primary);
    font-weight: 300;
    flex-shrink: 0;
    margin-left: 16px;
    transition: var(--jqdz-transition);
}

.jqdz-faq-item.active .jqdz-faq-q::after {
    content: '-';
    transform: rotate(180deg);
}

.jqdz-faq-a {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    font-size: 15px;
    color: var(--jqdz-text);
    line-height: 1.8;
}

.jqdz-faq-item.active .jqdz-faq-a {
    padding: 0 28px 24px;
    max-height: 500px;
}

.jqdz-faq-a ul {
    padding-left: 20px;
    margin: 8px 0;
}

.jqdz-faq-a li { margin-bottom: 8px; }

/* --- CTA Section --- */
.jqdz-cta,
.jqdz-section-cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--jqdz-primary) 0%, var(--jqdz-secondary) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.jqdz-section-cta::before,
.jqdz-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255,255,255,0.03) 0%, transparent 50%);
    animation: jqdz-gradient-shift 12s ease infinite;
    background-size: 200% 200%;
    pointer-events: none;
}

.jqdz-cta-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.jqdz-cta p,
.jqdz-cta-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    position: relative;
}

.jqdz-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

.jqdz-cta .jqdz-btn-primary,
.jqdz-section-cta .jqdz-btn-primary {
    background: #fff;
    color: var(--jqdz-primary);
    border-color: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.jqdz-cta .jqdz-btn-primary:hover,
.jqdz-section-cta .jqdz-btn-primary:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-3px);
}

.jqdz-cta .jqdz-btn-outline,
.jqdz-section-cta .jqdz-btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.jqdz-cta .jqdz-btn-outline:hover,
.jqdz-section-cta .jqdz-btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    color: #fff;
}

/* --- Compare Page --- */
.jqdz-hero-compare { padding: 120px 0 80px; }

.jqdz-compare-sections { padding: 100px 0; }

.jqdz-compare-block { margin-bottom: 56px; }

.jqdz-compare-block-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    text-align: center;
    margin-bottom: 28px;
}

.jqdz-compare-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.jqdz-compare-card {
    padding: 36px;
    border-radius: var(--jqdz-radius);
    font-size: 15px;
    line-height: 1.8;
}

.jqdz-compare-our {
    background: rgba(67, 97, 238, 0.08);
    border: 1px solid rgba(67, 97, 238, 0.25);
    backdrop-filter: blur(8px);
}

.jqdz-compare-their {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
}

.jqdz-compare-logo { margin-bottom: 16px; }

.jqdz-compare-logo img {
    height: 28px;
    width: auto;
    filter: brightness(2);
}

.jqdz-competitor-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
}

/* Unique Features */
.jqdz-unique-features { padding: 100px 0; }

.jqdz-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.jqdz-features-grid--3col {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    max-width: 1200px;
}

/* In 3-col grid, stack feature items vertically so text gets full width */
.jqdz-features-grid--3col .jqdz-feature-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px;
}

.jqdz-features-grid--3col .jqdz-feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
}

.jqdz-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius-sm);
    border: 1px solid var(--jqdz-border);
    font-size: 15px;
    font-weight: 500;
    color: var(--jqdz-text-bright);
    transition: var(--jqdz-transition);
}

.jqdz-feature-item:hover {
    border-color: rgba(67, 97, 238, 0.4);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
    transform: translateY(-2px);
}

.jqdz-feature-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.15), rgba(114, 9, 183, 0.15));
    border-radius: 16px;
    color: var(--jqdz-primary);
    overflow: hidden;
}

.jqdz-feature-icon--lg {
    width: 96px;
    height: 96px;
    border-radius: 16px;
}

.jqdz-feature-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.jqdz-feature-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 6px;
}

.jqdz-feature-desc {
    font-size: 14px;
    color: var(--jqdz-text-light);
    line-height: 1.6;
    font-weight: 400;
}

/* Switch CTA */
.jqdz-switch-cta {
    padding: 100px 0;
    text-align: center;
}

.jqdz-switch-cta h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 12px;
}

.jqdz-switch-cta p {
    font-size: 18px;
    color: var(--jqdz-text-light);
    margin-bottom: 32px;
}

/* Comparison Table */
.jqdz-comparison-table-section { padding: 100px 0; }

/* Awards */
.jqdz-awards {
    padding: 100px 0;
    text-align: center;
}

.jqdz-awards-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.jqdz-awards-grid img {
    height: 100px;
    width: auto;
    opacity: 0.7;
    transition: var(--jqdz-transition);
    filter: brightness(1.3);
}

.jqdz-awards-grid img:hover {
    opacity: 1;
    filter: none;
    transform: scale(1.05);
}

/* Reviews */
.jqdz-reviews { padding: 100px 0; }

.jqdz-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.jqdz-review-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
}

.jqdz-review-card:hover {
    box-shadow: var(--jqdz-shadow-glow);
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
}

.jqdz-review-stars {
    color: #fbbf24;
    font-size: 18px;
    margin-bottom: 14px;
}

.jqdz-review-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 4px;
}

.jqdz-review-role {
    font-size: 13px;
    color: var(--jqdz-text-light);
    display: block;
    margin-bottom: 14px;
}

.jqdz-review-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
}

/* Demo CTA */
.jqdz-demo-cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--jqdz-dark) 0%, #1a1a3e 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.jqdz-demo-cta h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.jqdz-demo-cta p {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Help Page --- */
.jqdz-hero-help { padding: 120px 0 80px; }

.jqdz-help-search {
    display: flex;
    max-width: 560px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    transition: var(--jqdz-transition);
}

.jqdz-help-search:focus-within {
    border-color: rgba(67, 97, 238, 0.5);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.15);
}

.jqdz-search-input {
    flex: 1;
    padding: 16px 24px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 16px;
    outline: none;
}

.jqdz-search-input::placeholder { color: rgba(255,255,255,0.4); }

.jqdz-search-btn {
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-secondary));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--jqdz-transition);
    color: #fff;
}

.jqdz-search-btn:hover {
    opacity: 0.9;
}

/* Help Categories */
.jqdz-help-categories { padding: 100px 0; }

.jqdz-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.jqdz-category-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.jqdz-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
    opacity: 0;
    transition: var(--jqdz-transition);
}

.jqdz-category-card:hover {
    border-color: rgba(67, 97, 238, 0.35);
    box-shadow: var(--jqdz-shadow-glow);
    transform: translateY(-6px);
}

.jqdz-category-card:hover::before { opacity: 1; }

.jqdz-category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.12), rgba(114, 9, 183, 0.12));
    border-radius: 16px;
    color: var(--jqdz-primary);
}

.jqdz-category-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 8px;
}

.jqdz-category-desc {
    font-size: 14px;
    color: var(--jqdz-text-light);
    margin-bottom: 18px;
    line-height: 1.6;
}

.jqdz-category-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
    text-decoration: none;
    transition: var(--jqdz-transition);
}

.jqdz-category-link:hover { color: var(--jqdz-accent); }

/* Help Articles */
.jqdz-help-articles { padding: 100px 0; }

.jqdz-articles-list {
    max-width: 700px;
    margin: 0 auto;
}

.jqdz-article-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 28px;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius-sm);
    margin-bottom: 10px;
    text-decoration: none;
    color: var(--jqdz-text);
    font-size: 15px;
    transition: var(--jqdz-transition);
    border: 1px solid transparent;
}

.jqdz-article-item:hover {
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.08);
    color: var(--jqdz-primary);
    transform: translateX(4px);
}

.jqdz-article-item span { flex: 1; }

.jqdz-arrow {
    flex-shrink: 0;
    transition: var(--jqdz-transition);
    color: var(--jqdz-primary);
}

.jqdz-article-item:hover .jqdz-arrow {
    transform: translateX(4px);
}

/* --- AI Page --- */
.jqdz-hero-ai { padding: 140px 0 80px; }

.jqdz-ai-features { padding: 100px 0; }

.jqdz-ai-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}

.jqdz-ai-feature-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
    position: relative;
    overflow: hidden;
}

.jqdz-ai-feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.jqdz-ai-feature-card:hover {
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: var(--jqdz-shadow-glow);
    transform: translateY(-6px);
}

.jqdz-ai-feature-card:hover::after { transform: scaleX(1); }

.jqdz-ai-feature-image {
    width: 100%;
    min-height: 240px;
    border-radius: var(--jqdz-radius-sm);
    overflow: hidden;
    margin-bottom: 22px;
    background: var(--jqdz-bg-light);
}

.jqdz-ai-feature-image img {
    width: 100%;
    height: auto;
    min-height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.jqdz-ai-feature-card:hover .jqdz-ai-feature-image img {
    transform: scale(1.05);
}

.jqdz-ai-feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}

.jqdz-ai-feature-card p {
    font-size: 14px;
    color: var(--jqdz-text-light);
    line-height: 1.7;
    margin-bottom: 18px;
}

.jqdz-ai-feature-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
    text-decoration: none;
    transition: var(--jqdz-transition);
}

.jqdz-ai-feature-link:hover { color: var(--jqdz-accent); }

/* AI Sections */
.jqdz-ai-sections { padding: 100px 0; }

.jqdz-ai-section-block {
    padding: 48px;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius-lg);
    border: 1px solid var(--jqdz-border);
    margin-bottom: 32px;
    transition: var(--jqdz-transition);
}

.jqdz-ai-section-block:hover {
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: var(--jqdz-shadow-glow);
}

.jqdz-ai-section-block h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 12px;
}

.jqdz-ai-section-block > p {
    font-size: 16px;
    color: var(--jqdz-text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

.jqdz-ai-section-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.jqdz-ai-section-points li {
    padding: 10px 0 10px 28px;
    font-size: 15px;
    color: var(--jqdz-text);
    position: relative;
}

.jqdz-ai-section-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%234361ee' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%234361ee' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

/* --- Feature Row (Cloud Phone / alternating layout) --- */
.jqdz-feature-row {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 60px 0;
    border-bottom: 1px solid var(--jqdz-border-light);
}

.jqdz-feature-row:last-child { border-bottom: none; }

.jqdz-feature-row--reverse { flex-direction: row-reverse; }

.jqdz-feature-row-content { flex: 1.2; min-width: 0; }

.jqdz-feature-row-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 16px;
    line-height: 1.2;
}

.jqdz-feature-row-desc {
    font-size: 16px;
    color: var(--jqdz-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.jqdz-feature-row-image {
    flex: 0.8;
    max-width: 45%;
    border-radius: var(--jqdz-radius);
    overflow: hidden;
    position: relative;
}

.jqdz-feature-row-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--jqdz-radius);
    transition: transform 0.6s ease;
}

.jqdz-feature-row:hover .jqdz-feature-row-image img {
    transform: scale(1.03);
}

/* --- Check List --- */
.jqdz-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}

.jqdz-check-list li {
    padding: 8px 0 8px 28px;
    font-size: 15px;
    color: var(--jqdz-text);
    position: relative;
}

.jqdz-check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%2310b981' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%2310b981' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

.jqdz-check-list--center {
    max-width: 400px;
    margin: 0 auto 28px;
    text-align: left;
}

/* --- Problem / Solution Section --- */
.jqdz-problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.jqdz-ps-block {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 36px;
    border: 1px solid var(--jqdz-border);
}

.jqdz-ps-solution {
    border-color: rgba(67, 97, 238, 0.25);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.08);
}

.jqdz-ps-label {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.jqdz-ps-block .jqdz-ps-label {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.jqdz-ps-solution .jqdz-ps-label {
    background: rgba(67, 97, 238, 0.15);
    color: var(--jqdz-primary);
}

.jqdz-ps-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 20px;
}

.jqdz-ps-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--jqdz-border-light);
}

.jqdz-ps-item:last-child { border-bottom: none; }

.jqdz-ps-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 6px;
}

.jqdz-ps-item p {
    font-size: 14px;
    color: var(--jqdz-text-light);
    line-height: 1.6;
}

/* --- Env Platforms --- */
.jqdz-env-platforms {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.jqdz-env-badge {
    padding: 10px 24px;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    transition: var(--jqdz-transition);
}

.jqdz-env-badge:hover {
    background: rgba(67, 97, 238, 0.2);
    border-color: rgba(67, 97, 238, 0.4);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.15);
}

/* --- Use Cases Grid --- */
.jqdz-usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.jqdz-usecase-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 28px;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
    position: relative;
    overflow: hidden;
}

.jqdz-usecase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.jqdz-usecase-card:hover {
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: var(--jqdz-shadow-glow);
    transform: translateY(-4px);
}

.jqdz-usecase-card:hover::before { transform: scaleX(1); }

.jqdz-usecase-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}

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

/* --- Capabilities Grid --- */
.jqdz-caps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.jqdz-cap-card {
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    padding: 28px;
    border: 1px solid var(--jqdz-border);
    transition: var(--jqdz-transition);
    text-align: center;
}

.jqdz-cap-card:hover {
    border-color: rgba(67, 97, 238, 0.35);
    box-shadow: var(--jqdz-shadow-glow);
    transform: translateY(-4px);
}

.jqdz-cap-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 8px;
}

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

/* --- Logo Grid --- */
.jqdz-logo-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.jqdz-logo-grid img {
    height: 56px;
    width: auto;
    opacity: 0.5;
    transition: var(--jqdz-transition);
    filter: grayscale(1) brightness(2.5);
}

.jqdz-logo-grid img:hover {
    opacity: 1;
    filter: none;
    transform: scale(1.1);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .jqdz-hero-title {
        font-size: 32px;
    }

    .jqdz-hero-subtitle {
        font-size: 17px;
    }

    .jqdz-section-title {
        font-size: 28px;
    }

    .jqdz-section {
        padding: 60px 0;
    }

    .jqdz-hero {
        padding: 80px 0 50px;
    }

    .jqdz-compare-cards {
        grid-template-columns: 1fr;
    }

    .jqdz-problem-solution {
        grid-template-columns: 1fr;
    }

    .jqdz-feature-row {
        flex-direction: column;
        gap: 24px;
    }

    .jqdz-feature-row--reverse {
        flex-direction: column;
    }

    .jqdz-feature-row-title {
        font-size: 24px;
    }

    .jqdz-hero-stats {
        gap: 24px;
    }

    .jqdz-stat-number {
        font-size: 28px;
    }

    .jqdz-custom-plan {
        flex-direction: column;
        text-align: center;
        padding: 32px;
    }

    .jqdz-cta-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .jqdz-hero-title {
        font-size: 26px;
    }

    .jqdz-btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .jqdz-hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* --- Scroll Reveal Animation --- */
.jqdz-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.jqdz-reveal.jqdz-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Glass Card Effect --- */
.jqdz-glass {
    background: rgba(22, 26, 53, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- Glow Border Effect --- */
.jqdz-glow-border {
    position: relative;
}

.jqdz-glow-border::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-accent), var(--jqdz-primary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.jqdz-glow-border:hover::after { opacity: 1; }

/* --- Particle Background --- */
.jqdz-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.jqdz-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--jqdz-primary);
    border-radius: 50%;
    opacity: 0;
    animation: jqdz-particle-float linear infinite;
}

/* --- Section Divider --- */
.jqdz-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--jqdz-border), transparent);
    margin: 0 auto;
    max-width: 600px;
}

/* --- Tag/Badge --- */
.jqdz-tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--jqdz-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Image with Glow --- */
.jqdz-img-glow {
    position: relative;
}

.jqdz-img-glow::after {
    content: '';
    position: absolute;
    inset: 20px;
    background: inherit;
    border-radius: inherit;
    filter: blur(40px);
    opacity: 0.3;
    z-index: -1;
}

/* --- Scroll Reveal --- */
.jqdz-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.jqdz-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Glow Card (mouse-follow glow) --- */
.jqdz-glow-card {
    position: relative;
    overflow: hidden;
}
.jqdz-glow-card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(67, 97, 238, 0.12) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}
.jqdz-glow-card:hover::before {
    opacity: 1;
}
.jqdz-glow-card > * {
    position: relative;
    z-index: 1;
}

/* --- Particle Canvas Container --- */
.jqdz-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}
.jqdz-particles-canvas {
    width: 100%;
    height: 100%;
}

/* --- Feature Row (image + text side by side) --- */
.jqdz-feature-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}
.jqdz-feature-row--reverse {
    direction: rtl;
}
.jqdz-feature-row--reverse > * {
    direction: ltr;
}
.jqdz-feature-row-content {
    padding: 20px 0;
}
.jqdz-feature-row-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    margin-bottom: 16px;
    line-height: 1.3;
}
.jqdz-feature-row-desc {
    font-size: 16px;
    color: var(--jqdz-text);
    line-height: 1.8;
    margin-bottom: 24px;
}
.jqdz-feature-row-image {
    border-radius: var(--jqdz-radius-lg);
    overflow: hidden;
    position: relative;
}
.jqdz-feature-row-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--jqdz-radius-lg);
    box-shadow: 0 20px 60px rgba(67, 97, 238, 0.15), 0 0 0 1px rgba(67, 97, 238, 0.08);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.jqdz-feature-row-image:hover img {
    transform: scale(1.03);
}

/* --- Two Column Layout --- */
.jqdz-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.jqdz-two-col-content {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 40px;
    backdrop-filter: blur(12px);
    transition: var(--jqdz-transition);
}
.jqdz-two-col-content:hover {
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.08);
}
.jqdz-two-col-content .jqdz-section-title {
    font-size: 24px;
    text-align: left;
    margin-bottom: 16px;
}
.jqdz-two-col-content p {
    font-size: 15px;
    color: var(--jqdz-text);
    line-height: 1.8;
}

/* --- Check List --- */
.jqdz-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}
.jqdz-check-list li {
    padding: 8px 0 8px 32px;
    font-size: 15px;
    color: var(--jqdz-text);
    position: relative;
}
.jqdz-check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%2310b981' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%2310b981' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}
.jqdz-check-list--center {
    text-align: center;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
}
.jqdz-check-list--center li {
    text-align: left;
}

/* --- Reviews Grid --- */
.jqdz-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.jqdz-review-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
}
.jqdz-review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.1);
}
.jqdz-review-stars {
    color: #fbbf24;
    font-size: 18px;
    margin-bottom: 12px;
    letter-spacing: 2px;
}
.jqdz-review-text {
    font-size: 15px;
    color: var(--jqdz-text);
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}
.jqdz-review-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
}
.jqdz-review-role {
    font-size: 12px;
    color: var(--jqdz-text-light);
    display: block;
    margin-top: 4px;
}

/* --- Usecase Cards --- */
.jqdz-usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.jqdz-usecase-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
}
.jqdz-usecase-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-usecase-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}
.jqdz-usecase-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
}

/* --- Cap Cards (Network page) --- */
.jqdz-caps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.jqdz-cap-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    transition: var(--jqdz-transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
}
.jqdz-cap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
    opacity: 0;
    transition: opacity 0.3s;
}
.jqdz-cap-card:hover::before {
    opacity: 1;
}
.jqdz-cap-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-cap-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}
.jqdz-cap-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
}

/* --- Problem-Solution Block --- */
.jqdz-problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.jqdz-ps-block {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 40px;
    backdrop-filter: blur(12px);
}
.jqdz-ps-solution {
    border-color: rgba(67, 97, 238, 0.25);
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.08);
}
.jqdz-ps-label {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.jqdz-ps-block:first-child .jqdz-ps-label {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}
.jqdz-ps-solution .jqdz-ps-label {
    background: rgba(67, 97, 238, 0.15);
    color: var(--jqdz-primary);
}
.jqdz-ps-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    margin-bottom: 24px;
    line-height: 1.3;
}
.jqdz-ps-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--jqdz-border-light);
}
.jqdz-ps-item:last-child {
    border-bottom: none;
}
.jqdz-ps-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 6px;
}
.jqdz-ps-item p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
}

/* --- Env Badges --- */
.jqdz-env-platforms {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.jqdz-env-badge {
    padding: 10px 24px;
    background: rgba(67, 97, 238, 0.08);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    backdrop-filter: blur(8px);
    transition: var(--jqdz-transition);
}
.jqdz-env-badge:hover {
    background: rgba(67, 97, 238, 0.15);
    border-color: rgba(67, 97, 238, 0.4);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.15);
    transform: translateY(-2px);
}

/* --- Awards Grid --- */
.jqdz-awards-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.jqdz-awards-grid img {
    height: 100px;
    width: auto;
    opacity: 0.7;
    transition: var(--jqdz-transition);
    filter: brightness(1.3);
}
.jqdz-awards-grid img:hover {
    opacity: 1;
    filter: none;
    transform: scale(1.1);
}

/* --- Logos Row --- */
.jqdz-logos-row {
    display: flex;
    gap: 32px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 40px 0;
}
.jqdz-logo-item {
    height: 56px;
    width: auto;
    opacity: 0.5;
    transition: var(--jqdz-transition);
    filter: grayscale(1) brightness(2);
}
.jqdz-logo-item:hover {
    opacity: 1;
    filter: none;
}

/* --- Categories Grid --- */
.jqdz-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.jqdz-categories-grid--3col {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.jqdz-category-card {
    display: block;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    text-decoration: none;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
}
.jqdz-category-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-category-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(67, 97, 238, 0.1);
    border-radius: var(--jqdz-radius-sm);
    margin-bottom: 16px;
    color: var(--jqdz-primary);
}
.jqdz-category-icon img {
    width: 36px;
    height: 36px;
}
.jqdz-category-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 8px;
}
.jqdz-category-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.6;
}
.jqdz-category-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
    transition: var(--jqdz-transition);
}
.jqdz-category-link:hover {
    color: var(--jqdz-accent);
}

/* --- Articles List --- */
.jqdz-articles-list {
    max-width: 800px;
    margin: 0 auto;
}
.jqdz-article-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius-sm);
    margin-bottom: 10px;
    text-decoration: none;
    color: var(--jqdz-text);
    transition: var(--jqdz-transition);
}
.jqdz-article-item:hover {
    border-color: rgba(67, 97, 238, 0.3);
    background: rgba(67, 97, 238, 0.05);
    transform: translateX(4px);
}
.jqdz-article-title {
    flex: 1;
    font-size: 15px;
}
.jqdz-article-arrow {
    color: var(--jqdz-primary);
    font-size: 18px;
    transition: transform 0.3s;
}
.jqdz-article-item:hover .jqdz-article-arrow {
    transform: translateX(4px);
}

/* --- Search Box --- */
.jqdz-search-box,
.jqdz-help-search {
    max-width: 560px;
    margin: 32px auto 0;
    position: relative;
}
.jqdz-search-input {
    width: 100%;
    padding: 16px 56px 16px 24px;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: 100px;
    font-size: 16px;
    color: var(--jqdz-text-bright);
    outline: none;
    transition: var(--jqdz-transition);
}
.jqdz-search-input:focus {
    border-color: var(--jqdz-primary);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.15);
}
.jqdz-search-input::placeholder {
    color: var(--jqdz-text-light);
}
.jqdz-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-secondary));
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--jqdz-transition);
}
.jqdz-search-btn:hover {
    transform: translateY(-50%) scale(1.1);
}

/* --- Resource Cards --- */
.jqdz-resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.jqdz-resource-card {
    display: block;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    text-decoration: none;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
}
.jqdz-resource-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-resource-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(67, 97, 238, 0.1);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--jqdz-primary);
    margin-bottom: 12px;
}
.jqdz-resource-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    line-height: 1.4;
}

/* --- AI Feature Cards --- */
.jqdz-ai-features-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.jqdz-ai-feature-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
}
.jqdz-ai-feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-ai-feature-image {
    margin-bottom: 20px;
    border-radius: var(--jqdz-radius-sm);
    overflow: hidden;
    min-height: 160px;
}
.jqdz-ai-feature-image img {
    width: 100%;
    height: auto;
    min-height: 160px;
    object-fit: cover;
    border-radius: var(--jqdz-radius-sm);
}
.jqdz-ai-feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}
.jqdz-ai-feature-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
    margin-bottom: 16px;
}
.jqdz-ai-feature-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
    text-decoration: none;
    transition: var(--jqdz-transition);
}
.jqdz-ai-feature-link:hover {
    color: var(--jqdz-accent);
}

/* --- AI Section Blocks --- */
.jqdz-ai-section-block {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 40px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    transition: var(--jqdz-transition);
}
.jqdz-ai-section-block:hover {
    border-color: rgba(67, 97, 238, 0.3);
}
.jqdz-ai-section-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 12px;
}
.jqdz-ai-section-desc {
    font-size: 15px;
    color: var(--jqdz-text);
    line-height: 1.7;
    margin-bottom: 16px;
}
.jqdz-ai-section-points {
    list-style: none;
    padding: 0;
}
.jqdz-ai-section-points li {
    padding: 6px 0 6px 28px;
    font-size: 14px;
    color: var(--jqdz-text);
    position: relative;
}
.jqdz-ai-section-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 12l2 2 4-4' stroke='%234361ee' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='10' stroke='%234361ee' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}

/* --- AI Built Grid --- */
.jqdz-ai-built-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.jqdz-ai-built-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    transition: var(--jqdz-transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
}
.jqdz-ai-built-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
}
.jqdz-ai-built-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}
.jqdz-ai-built-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 10px;
}
.jqdz-ai-built-card p {
    font-size: 14px;
    color: var(--jqdz-text);
    line-height: 1.7;
}

/* --- Switch CTA --- */
.jqdz-switch-cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.08) 0%, rgba(114, 9, 183, 0.08) 100%);
}
.jqdz-switch-cta h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    margin-bottom: 12px;
}
.jqdz-switch-cta p {
    font-size: 18px;
    color: var(--jqdz-text-light);
    margin-bottom: 28px;
}

/* --- Demo CTA --- */
.jqdz-demo-cta {
    padding: 80px 0;
    text-align: center;
    background: var(--jqdz-bg-light);
}
.jqdz-demo-cta h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    margin-bottom: 12px;
}
.jqdz-demo-cta p {
    font-size: 18px;
    color: var(--jqdz-text-light);
    margin-bottom: 28px;
}

/* --- Comparison Table Section --- */
.jqdz-comparison-table-section {
    padding: 80px 0;
}

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

/* --- Awards Section --- */
.jqdz-awards {
    padding: 80px 0;
}

/* --- Reviews Section --- */
.jqdz-reviews {
    padding: 80px 0;
    background: var(--jqdz-bg-light);
}

/* --- Help Categories --- */
.jqdz-help-categories {
    padding: 80px 0;
}

/* --- Help Articles --- */
.jqdz-help-articles {
    padding: 80px 0;
    background: var(--jqdz-bg-light);
}

/* --- AI Features --- */
.jqdz-ai-features {
    padding: 80px 0;
}

/* --- AI Sections --- */
.jqdz-ai-sections {
    padding: 80px 0;
    background: var(--jqdz-bg-light);
}

/* --- AI Built --- */
.jqdz-ai-built {
    padding: 80px 0;
}

/* --- AI Logos --- */
.jqdz-ai-logos {
    padding: 60px 0;
    background: var(--jqdz-bg-light);
}

/* --- AI Resources --- */
.jqdz-ai-resources {
    padding: 80px 0;
    background: var(--jqdz-bg-light);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .jqdz-hero-title {
        font-size: 32px;
    }
    .jqdz-section-title {
        font-size: 28px;
    }
    .jqdz-feature-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .jqdz-feature-row--reverse {
        direction: ltr;
    }
    .jqdz-two-col {
        grid-template-columns: 1fr;
    }
    .jqdz-problem-solution {
        grid-template-columns: 1fr;
    }
    .jqdz-compare-cards {
        grid-template-columns: 1fr;
    }
    .jqdz-hero-stats {
        gap: 24px;
    }
    .jqdz-stat-number {
        font-size: 28px;
    }
    .jqdz-custom-plan {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
    }
    .jqdz-plans-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   知识库页面样式
   ============================================ */

/* --- KB Hero --- */
.jqdz-kb-hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.jqdz-kb-hero-title {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #c8d6e5 50%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.jqdz-kb-hero-subtitle {
    font-size: 18px;
    color: var(--jqdz-text-light);
    max-width: 600px;
    margin: 0 auto 32px;
}

.jqdz-kb-search {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.jqdz-kb-search-input {
    width: 100%;
    padding: 18px 64px 18px 52px;
    background: rgba(22, 26, 53, 0.8);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 100px;
    font-size: 16px;
    color: var(--jqdz-text-bright);
    outline: none;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.05);
}

.jqdz-kb-search-input:focus {
    border-color: var(--jqdz-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15), 0 4px 24px rgba(0, 0, 0, 0.2);
}

.jqdz-kb-search-input::placeholder {
    color: var(--jqdz-text-light);
    opacity: 0.7;
}

.jqdz-kb-search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--jqdz-text-light);
    pointer-events: none;
    opacity: 0.5;
}

.jqdz-kb-search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--jqdz-primary), var(--jqdz-secondary));
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    transition: var(--jqdz-transition);
    box-shadow: 0 2px 12px rgba(67, 97, 238, 0.3);
}

.jqdz-kb-search-btn:hover {
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 4px 20px rgba(67, 97, 238, 0.5);
}

.jqdz-kb-search-btn:active {
    transform: translateY(-50%) scale(0.96);
}

/* --- KB Categories --- */
.jqdz-kb-categories {
    padding: 80px 0;
}

.jqdz-kb-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.jqdz-kb-category-card {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 32px;
    text-decoration: none;
    transition: var(--jqdz-transition);
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.jqdz-kb-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--jqdz-primary), var(--jqdz-accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.jqdz-kb-category-card:hover {
    transform: translateY(-4px);
    border-color: rgba(67, 97, 238, 0.3);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.1);
}

.jqdz-kb-category-card:hover::before {
    opacity: 1;
}

.jqdz-kb-category-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(67, 97, 238, 0.1);
    border-radius: var(--jqdz-radius-sm);
    margin-bottom: 16px;
    color: var(--jqdz-primary);
    font-size: 24px;
}

.jqdz-kb-category-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 8px;
}

.jqdz-kb-category-count {
    font-size: 13px;
    color: var(--jqdz-text-light);
    margin-bottom: 12px;
}

.jqdz-kb-category-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-primary);
    text-decoration: none;
    transition: var(--jqdz-transition);
}

.jqdz-kb-category-link:hover {
    color: var(--jqdz-accent);
}

/* --- KB Articles List --- */
.jqdz-kb-articles {
    padding: 80px 0;
    background: var(--jqdz-bg-light);
}

.jqdz-kb-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.jqdz-kb-article-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius-sm);
    text-decoration: none;
    color: var(--jqdz-text);
    transition: var(--jqdz-transition);
}

.jqdz-kb-article-card:hover {
    border-color: rgba(67, 97, 238, 0.3);
    background: rgba(67, 97, 238, 0.05);
    transform: translateX(4px);
}

.jqdz-kb-article-card-title {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
}

.jqdz-kb-article-card-arrow {
    color: var(--jqdz-primary);
    font-size: 18px;
    transition: transform 0.3s;
}

.jqdz-kb-article-card:hover .jqdz-kb-article-card-arrow {
    transform: translateX(4px);
}

.jqdz-kb-article-card-category {
    font-size: 12px;
    padding: 3px 10px;
    background: rgba(67, 97, 238, 0.1);
    border-radius: 100px;
    color: var(--jqdz-primary);
    white-space: nowrap;
}

.jqdz-kb-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--jqdz-text-light);
    font-size: 16px;
}

/* --- KB Single Article Layout --- */
.jqdz-kb-single {
    padding: 40px 0 80px;
}

.jqdz-kb-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    max-width: var(--jqdz-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.jqdz-kb-breadcrumb {
    font-size: 14px;
    color: var(--jqdz-text-light);
    margin-bottom: 24px;
}

.jqdz-kb-breadcrumb a {
    color: var(--jqdz-primary);
    text-decoration: none;
    transition: var(--jqdz-transition);
}

.jqdz-kb-breadcrumb a:hover {
    color: var(--jqdz-accent);
}

.jqdz-kb-breadcrumb span {
    margin: 0 8px;
    opacity: 0.5;
}

.jqdz-kb-article-header {
    margin-bottom: 32px;
}

.jqdz-kb-article-category-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--jqdz-primary);
    margin-bottom: 16px;
}

.jqdz-kb-article-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--jqdz-text-bright);
    line-height: 1.2;
    margin-bottom: 12px;
}

.jqdz-kb-article-meta {
    font-size: 14px;
    color: var(--jqdz-text-light);
    display: flex;
    gap: 20px;
}

.jqdz-kb-article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--jqdz-text);
}

.jqdz-kb-article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin: 36px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--jqdz-border);
}

.jqdz-kb-article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin: 28px 0 12px;
}

.jqdz-kb-article-content p {
    margin-bottom: 16px;
}

.jqdz-kb-article-content ul,
.jqdz-kb-article-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.jqdz-kb-article-content li {
    margin-bottom: 8px;
}

.jqdz-kb-article-content img {
    max-width: 100%;
    border-radius: var(--jqdz-radius-sm);
    margin: 16px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.jqdz-kb-article-content a {
    color: var(--jqdz-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.jqdz-kb-article-content a:hover {
    color: var(--jqdz-accent);
}

.jqdz-kb-article-content code {
    background: rgba(67, 97, 238, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--jqdz-primary);
}

.jqdz-kb-article-content pre {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius-sm);
    padding: 20px;
    overflow-x: auto;
    margin-bottom: 16px;
}

.jqdz-kb-article-content pre code {
    background: none;
    padding: 0;
    color: var(--jqdz-text);
}

.jqdz-kb-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius-sm);
    overflow: hidden;
}

.jqdz-kb-article-content th,
.jqdz-kb-article-content td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--jqdz-border-light);
    font-size: 14px;
}

.jqdz-kb-article-content th {
    background: rgba(67, 97, 238, 0.08);
    font-weight: 600;
    color: var(--jqdz-text-bright);
}

/* --- KB Sidebar --- */
.jqdz-kb-sidebar {
    position: sticky;
    top: 24px;
}

.jqdz-kb-sidebar-block {
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius);
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(12px);
}

.jqdz-kb-sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--jqdz-border);
}

.jqdz-kb-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.jqdz-kb-toc-list li {
    margin-bottom: 6px;
}

.jqdz-kb-toc-list a {
    display: block;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--jqdz-text-light);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: var(--jqdz-transition);
    border-radius: 0 var(--jqdz-radius-sm) var(--jqdz-radius-sm) 0;
}

.jqdz-kb-toc-list a:hover,
.jqdz-kb-toc-list a.active {
    color: var(--jqdz-primary);
    border-left-color: var(--jqdz-primary);
    background: rgba(67, 97, 238, 0.05);
}

.jqdz-kb-toc-list .jqdz-toc-h3 a {
    padding-left: 24px;
    font-size: 13px;
}

.jqdz-kb-related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.jqdz-kb-related-list li {
    margin-bottom: 8px;
}

.jqdz-kb-related-list a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--jqdz-text);
    text-decoration: none;
    border-radius: var(--jqdz-radius-sm);
    transition: var(--jqdz-transition);
}

.jqdz-kb-related-list a:hover {
    background: rgba(67, 97, 238, 0.05);
    color: var(--jqdz-primary);
}

.jqdz-kb-cat-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.jqdz-kb-cat-list li {
    margin-bottom: 6px;
}

.jqdz-kb-cat-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--jqdz-text);
    text-decoration: none;
    border-radius: var(--jqdz-radius-sm);
    transition: var(--jqdz-transition);
}

.jqdz-kb-cat-list a:hover {
    background: rgba(67, 97, 238, 0.05);
    color: var(--jqdz-primary);
}

.jqdz-kb-cat-count {
    font-size: 12px;
    padding: 2px 8px;
    background: rgba(67, 97, 238, 0.1);
    border-radius: 100px;
    color: var(--jqdz-primary);
}

/* --- KB Post Navigation --- */
.jqdz-kb-nav {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--jqdz-border);
}

.jqdz-kb-nav a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    transition: var(--jqdz-transition);
}

.jqdz-kb-nav-label {
    font-size: 13px;
    color: var(--jqdz-text-light);
}

.jqdz-kb-nav-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--jqdz-primary);
}

.jqdz-kb-nav a:hover .jqdz-kb-nav-title {
    color: var(--jqdz-accent);
}

.jqdz-kb-nav-next {
    text-align: right;
}

/* --- KB Responsive --- */
@media (max-width: 768px) {
    .jqdz-kb-hero-title {
        font-size: 32px;
    }

    .jqdz-kb-layout {
        grid-template-columns: 1fr;
    }

    .jqdz-kb-sidebar {
        position: static;
    }

    .jqdz-kb-article-title {
        font-size: 26px;
    }

    .jqdz-kb-categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .jqdz-kb-articles-grid {
        grid-template-columns: 1fr;
    }

    .jqdz-kb-nav {
        flex-direction: column;
    }

    .jqdz-kb-nav-next {
        text-align: left;
    }
}

/* --- KB Image Gallery --- */
.jqdz-kb-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--jqdz-border);
}

.jqdz-kb-figure {
    margin: 24px 0;
    border-radius: var(--jqdz-radius);
    overflow: hidden;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}

.jqdz-kb-figure img {
    width: 100%;
    height: auto;
    display: block;
}

.jqdz-kb-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--jqdz-radius-sm);
    margin: 12px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* --- Review Avatar --- */
.jqdz-review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(67, 97, 238, 0.2);
}

/* --- Resource Image --- */
.jqdz-resource-image {
    border-radius: var(--jqdz-radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}

.jqdz-resource-image img {
    width: 100%;
    height: auto;
    border-radius: var(--jqdz-radius-sm);
}

/* --- Payment Methods --- */
.jqdz-payment-methods {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    padding: 24px 0;
}

.jqdz-payment-methods img {
    height: 56px;
    width: auto;
    opacity: 0.6;
    transition: var(--jqdz-transition);
    filter: grayscale(0.3);
}

.jqdz-payment-methods img:hover {
    opacity: 1;
    filter: grayscale(0);
}

/* --- Legal / Policy Pages --- */
.jqdz-legal-content {
    color: var(--jqdz-text-light);
    line-height: 1.85;
    font-size: 15px;
}

.jqdz-legal-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--jqdz-text-bright);
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--jqdz-border);
}

.jqdz-legal-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    margin-top: 28px;
    margin-bottom: 10px;
}

.jqdz-legal-content p {
    margin-bottom: 16px;
}

.jqdz-legal-content ul {
    margin: 12px 0 16px 24px;
    list-style: disc;
}

.jqdz-legal-content ul li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.jqdz-legal-content strong {
    color: var(--jqdz-text-bright);
    font-weight: 600;
}

.jqdz-legal-intro {
    font-size: 16px;
    line-height: 1.8;
    padding: 24px;
    background: var(--jqdz-bg-card);
    border-radius: var(--jqdz-radius);
    border: 1px solid var(--jqdz-border);
    margin-bottom: 32px;
}

/* --- Footer Contact Info --- */
.jqdz-footer-contact {
    font-size: 13px;
    color: var(--jqdz-text-light);
    opacity: 0.8;
}

/* --- Contact Form --- */
.jqdz-contact-form {
    max-width: 640px;
    margin: 0 auto;
}

.jqdz-contact-form .jqdz-form-group {
    margin-bottom: 20px;
}

.jqdz-contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--jqdz-text-bright);
    margin-bottom: 6px;
}

.jqdz-contact-form input[type="text"],
.jqdz-contact-form input[type="email"],
.jqdz-contact-form select,
.jqdz-contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--jqdz-bg-card);
    border: 1px solid var(--jqdz-border);
    border-radius: var(--jqdz-radius-sm);
    color: var(--jqdz-text-bright);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.jqdz-contact-form input:focus,
.jqdz-contact-form select:focus,
.jqdz-contact-form textarea:focus {
    border-color: var(--jqdz-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.jqdz-contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.jqdz-contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.jqdz-contact-form .jqdz-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .jqdz-contact-form .jqdz-form-row {
        grid-template-columns: 1fr;
    }
}

.jqdz-contact-form .jqdz-btn-submit {
    display: inline-block;
    padding: 14px 40px;
    background: var(--jqdz-primary);
    color: #fff;
    border: none;
    border-radius: var(--jqdz-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.jqdz-contact-form .jqdz-btn-submit:hover {
    background: var(--jqdz-primary-dark);
    transform: translateY(-1px);
}

.jqdz-form-message {
    padding: 14px 20px;
    border-radius: var(--jqdz-radius-sm);
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
}

.jqdz-form-message--success {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.jqdz-form-message--error {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}