/* =============================================
   AINK 页面专属样式
   ============================================= */

/* ===== 首页 index.html ===== */

.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 160px 80px 100px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 50%, rgba(4, 114, 235, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(4, 114, 235, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(4, 114, 235, 0.03) 0%, transparent 40%),
        linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(4, 114, 235, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(4, 114, 235, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(4, 114, 235, 0.03) 0%, transparent 40%),
        linear-gradient(180deg, #f8faff 0%, #ffffff 100%),
        repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(4, 114, 235, 0.04) 59px, rgba(4, 114, 235, 0.04) 60px),
        repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(4, 114, 235, 0.04) 59px, rgba(4, 114, 235, 0.04) 60px);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: linear-gradient(135deg, rgba(4, 114, 235, 0.1) 0%, rgba(124, 58, 237, 0.08) 100%);
    padding: 8px 20px;
    border-radius: var(--rounded-button);
    margin-bottom: 24px;
    letter-spacing: 0.03em;
    border: 1px solid rgba(4, 114, 235, 0.15);
    box-shadow: 0 2px 8px rgba(4, 114, 235, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeInUp 0.6s ease-out both;
}

.hero-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px rgba(4, 114, 235, 0.6);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-trial-note {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.hero-screenshot {
    margin-top: 64px;
    max-width: 900px;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
}

/* Hero Mockup */
.hero-mockup {
    margin-top: 80px;
    max-width: 1100px;
    width: 100%;
    perspective: 1500px;
}

.mockup-window {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(26, 26, 26, 0.08);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transform: rotateX(4deg);
    transition: transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.mockup-window:hover {
    transform: rotateX(0deg);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.15), 0 6px 24px rgba(0, 0, 0, 0.08);
}

.mockup-topbar {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    background: #e8e8e8;
    border-bottom: 1px solid rgba(26, 26, 26, 0.06);
    align-items: center;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-url {
    flex: 1;
    text-align: center;
    font-size: 11px;
    color: rgba(26, 26, 26, 0.5);
    font-weight: 500;
}

.mockup-body {
    display: flex;
    min-height: 420px;
}

/* Sidebar */
.mockup-sidebar {
    width: 180px;
    background: #1a1a1a;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    color: rgba(255, 255, 255, 0.7);
}

.mockup-brand {
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: #1a1a1a;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 20px;
}

.mockup-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.2s;
    cursor: default;
}

.mockup-nav-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.mockup-nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* Main content */
.mockup-main {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #f8f9fa;
    overflow: hidden;
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mockup-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.mockup-date {
    font-size: 12px;
    color: var(--text-secondary);
}

/* KPI Cards */
.mockup-kpi {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.mockup-kpi-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 16px;
    border: 1px solid rgba(26, 26, 26, 0.06);
}

.mockup-kpi-label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.mockup-kpi-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.mockup-kpi-change {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    margin-top: 4px;
    padding: 2px 6px;
    border-radius: 4px;
}

.mockup-kpi-change.up {
    color: #059669;
    background: #ecfdf5;
}

.mockup-kpi-change.down {
    color: #dc2626;
    background: #fef2f2;
}

/* Panels */
.mockup-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    flex: 1;
}

.mockup-chart-panel,
.mockup-list-panel {
    background: #ffffff;
    border-radius: 10px;
    padding: 16px;
    border: 1px solid rgba(26, 26, 26, 0.06);
    display: flex;
    flex-direction: column;
}

.mockup-panel-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Chart */
.mockup-chart {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    min-height: 120px;
}

.mockup-chart-bar {
    flex: 1;
    border-radius: 3px 3px 0 0;
    animation: mockupGrow 1.5s ease-out forwards;
    transform-origin: bottom;
}

.mockup-chart-bar:nth-child(odd) {
    background: var(--accent);
}

.mockup-chart-bar:nth-child(even) {
    background: rgba(26, 26, 26, 0.08);
}

/* Table */
.mockup-table {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

.mockup-trow {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr 0.7fr;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.06);
    font-size: 11px;
    color: var(--text-secondary);
    align-items: center;
}

.mockup-trow.head {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.mockup-trow .tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 500;
}

.mockup-trow .tag.green { background: #ecfdf5; color: #059669; }
.mockup-trow .tag.yellow { background: #fffbeb; color: #d97706; }
.mockup-trow .tag.blue { background: #e8f2ff; color: #0472eb; }

@keyframes mockupGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

/* Marquee */
.marquee-section {
    overflow: hidden;
    padding: 24px 0;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: marqueeScroll 30s linear infinite;
    width: max-content;
}

.marquee-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 32px;
    flex-shrink: 0;
}

.marquee-logo svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.marquee-logo span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.marquee-dot {
    display: none;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Features Section (index) */
.features {
    padding: 120px 0;
    background: white;
}

.feature-card {
    text-align: left;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 0 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats Section (index) */
.stats-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 48px;
}

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

.stat-value {
    font-size: 56px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Modules Section (index) */
.modules {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.module-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.module-card:hover {
    border-color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.module-card .module-icon {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.module-card .module-icon svg {
    width: 28px;
    height: 28px;
}

.module-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.module-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Flow Section (index) */
.flow-section {
    padding: 120px 0;
    background: white;
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 48px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    min-width: 120px;
    border: 1px solid var(--border-color);
}

.flow-step svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.flow-step span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.flow-arrow {
    color: var(--text-secondary);
    font-size: 20px;
    flex-shrink: 0;
}

.flow-arrow svg {
    width: 20px;
    height: 20px;
}

/* Tech Section (index) */
.tech-brief-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.tech-brief-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.tech-brief-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
}

.tech-brief-item svg {
    width: 28px;
    height: 28px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.tech-brief-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tech-brief-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Announcement Bar (index) */
.announcement-bar {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    overflow: hidden;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1001;
}

.announcement-track {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: announcementScroll 40s linear infinite;
    width: max-content;
}

.announcement-item {
    padding: 0 32px;
}

.announcement-sep {
    color: rgba(255, 255, 255, 0.3);
    padding: 0 8px;
}

@keyframes announcementScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}


/* Trusted By Section (index) */
.trusted-section {
    padding: 40px 0;
    background: var(--bg-secondary);
    text-align: center;
    overflow: hidden;
}

.trusted-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.trusted-track {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: trustedScroll 25s linear infinite;
    width: max-content;
}

.trusted-name {
    padding: 0 40px;
    font-size: 18px;
    font-weight: 600;
    color: rgba(26, 26, 26, 0.25);
    letter-spacing: 0.02em;
}

@keyframes trustedScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Showcase Section (index) */
.showcase-section {
    padding: 120px 0;
    background: white;
}

.showcase-visual {
    margin-top: 48px;
}

/* Product Tabs Section (index) */
.product-tabs-section {
    padding: 120px 0;
    background: white;
}

.tabs-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--rounded-button);
    background: white;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.tab-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.tab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tab-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.tab-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.tab-card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.tab-card-icon svg {
    width: 24px;
    height: 24px;
}

.tab-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* Trust Section (index) */
.trust-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.trust-item {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.trust-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
}

.trust-icon svg {
    width: 28px;
    height: 28px;
}

.trust-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* Reviews Section (index) */
.reviews-section {
    padding: 120px 0;
    background: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.review-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.review-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    color: var(--accent);
}

.review-stars svg {
    width: 16px;
    height: 16px;
}

.review-text {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: normal;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.review-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.review-role {
    font-size: 13px;
    color: var(--text-secondary);
}

/* VS Comparison Cards (index) */
.vs-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px 28px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.vs-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.vs-icon svg {
    width: 22px;
    height: 22px;
}

.vs-card:nth-child(6n+1) .vs-icon {
    background: rgba(4, 114, 235, 0.08);
    color: #0472EB;
}

.vs-card:nth-child(6n+2) .vs-icon {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
}

.vs-card:nth-child(6n+3) .vs-icon {
    background: rgba(5, 150, 105, 0.08);
    color: #059669;
}

.vs-card:nth-child(6n+4) .vs-icon {
    background: rgba(234, 88, 12, 0.08);
    color: #ea580c;
}

.vs-card:nth-child(6n+5) .vs-icon {
    background: rgba(8, 145, 178, 0.08);
    color: #0891b2;
}

.vs-card:nth-child(6n) .vs-icon {
    background: rgba(225, 29, 72, 0.08);
    color: #e11d48;
}

.vs-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.vs-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.vs-compare {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vs-old {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.vs-old::before {
    content: "\2717";
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: 600;
    font-size: 13px;
}

.vs-new {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.vs-new::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: 700;
    font-size: 13px;
}

.mobile-bg-section {
    background: var(--bg-secondary);
}

/* Module More Link */
.module-more-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 16px;
    font-weight: 500;
    color: var(--accent);
    transition: var(--transition);
}

.module-more-link:hover {
    color: var(--accent-hover);
    opacity: 1;
}

/* Rich Text Banner (index) */
.rich-text-banner {
    padding: 120px 0;
    background: var(--bg-secondary);
    text-align: center;
}

.banner-statement {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
    border: none;
    padding: 0;
    letter-spacing: -0.01em;
}

.banner-statement strong {
    font-weight: 700;
    color: var(--text-primary);
}

/* Timeline Section (index) */
.timeline-section {
    padding: 120px 0;
    background: white;
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -33px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--accent);
    z-index: 1;
}

.timeline-content {
    padding-left: 8px;
}

.timeline-year {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: white;
    background: var(--primary);
    padding: 4px 12px;
    border-radius: var(--rounded-button);
    margin-bottom: 12px;
    letter-spacing: 0.03em;
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* News Section (index) */
.news-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.news-meta time {
    font-size: 13px;
    color: var(--text-secondary);
}

.news-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: #0472EB;
    background: rgba(4, 114, 235, 0.1);
    padding: 4px 12px;
    border-radius: var(--rounded-button);
    letter-spacing: 0.02em;
}

.news-card:nth-child(3n+2) .news-tag {
    color: #7c3aed;
    background: rgba(124, 58, 237, 0.1);
}
.news-card:nth-child(3n) .news-tag {
    color: #059669;
    background: rgba(5, 150, 105, 0.1);
}

.news-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.news-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.news-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
}

.news-link:hover svg {
    transform: translateX(4px);
}

.news-link:hover {
    opacity: 1;
}

/* FAQ Accordion (index) */
.faq-accordion {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-accordion:hover {
    border-color: rgba(26, 26, 26, 0.25);
}

.faq-accordion summary {
    padding: 20px 32px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-accordion summary::-webkit-details-marker {
    display: none;
}

.faq-accordion summary::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--text-secondary);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-accordion[open] summary::after {
    content: '-';
}

.faq-accordion .faq-answer {
    padding: 0 32px 20px;
}

.faq-accordion .faq-answer p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Footer Extended Styles (index) */
.footer-grid-5 {
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.5fr;
}

.footer-col-subscribe p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
    line-height: 1.5;
}

.footer-subscribe-form {
    display: flex;
    gap: 8px;
}

.footer-subscribe-form input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--rounded-button);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    min-width: 0;
}

.footer-subscribe-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.footer-subscribe-form input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.12);
}

.footer-subscribe-btn {
    padding: 10px 14px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.footer-subscribe-btn svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-bottom-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.footer-bottom-links a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
    color: white;
    opacity: 1;
}

.footer-sep {
    color: rgba(255, 255, 255, 0.2);
    font-size: 12px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* CTA Section (index) */
.cta {
    padding: 140px 0;
    background: var(--text-primary);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    color: white;
}

.cta p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
}

.cta .btn-primary {
    background: var(--accent);
    color: white;
}

.cta .btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    opacity: 1;
}

.cta .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    opacity: 1;
}

.cta-trial-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 12px;
}

/* ===== 功能页 features.html ===== */

.page-hero {
    padding: 140px 0 80px;
    text-align: center;
    background: var(--bg-secondary);
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.feature-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border-color);
}

.feature-section.alt {
    background: var(--bg-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-grid.reverse {
    direction: rtl;
}

.feature-grid.reverse > * {
    direction: ltr;
}

.feature-content h2 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.feature-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-list {
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "\2713";
    color: var(--success);
    font-weight: 600;
}

/* Modules Section (features) */
.modules-section {
    padding: 100px 0;
}

.module-group {
    margin-bottom: 48px;
}

.module-group h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.module-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.module-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

.module-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.module-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.module-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== 关于页 about.html ===== */

.story-section {
    padding: 100px 0;
}

.story-content {
    max-width: 680px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
}

.story-content p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.values-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.value-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.value-icon {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.value-icon svg {
    width: 32px;
    height: 32px;
}

.value-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tech-section {
    padding: 100px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.tech-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
}

.tech-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tech-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

.numbers-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.number-item {
    text-align: center;
}

.number-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.number-label {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* ===== 价格页 pricing.html ===== */

.pricing-section {
    padding: 80px 0 120px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured {
    background: var(--text-primary);
    color: white;
    border-color: transparent;
}

.pricing-card.featured .pricing-price,
.pricing-card.featured .pricing-features li {
    color: white;
}

.pricing-card.featured .pricing-features li::before {
    color: var(--success);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 6px 16px;
    border-radius: var(--rounded-button);
    font-size: 12px;
    font-weight: 600;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.pricing-card.featured .pricing-desc {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-price {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-price span {
    font-size: 17px;
    font-weight: 400;
}

.pricing-period {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.pricing-card.featured .pricing-period {
    color: rgba(255, 255, 255, 0.6);
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before {
    content: "\2713";
    color: var(--success);
    font-weight: 600;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-card.featured .btn-primary {
    background: var(--accent);
    color: white;
}

.faq-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.faq-grid {
    margin-top: 48px;
}

.faq-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    margin-bottom: 16px;
}

.faq-question {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.faq-answer {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== 联系页 contact.html ===== */

.contact-section {
    padding: 80px 0 120px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-top: 48px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
}

.contact-info p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-primary);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
}

.contact-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--text-primary);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    padding: 16px;
}

/* ===== 支持页 support.html ===== */

.support-section {
    padding: 80px 0;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.support-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.support-icon {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.support-icon svg {
    width: 32px;
    height: 32px;
}

.support-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.faq-list {
    margin-top: 48px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.contact-support {
    padding: 80px 0;
    text-align: center;
}

/* ===== 隐私页 privacy.html ===== */

.content-section {
    padding: 60px 0 100px;
}

.content-wrapper {
    max-width: 720px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 16px;
    color: var(--text-primary);
}

.content-wrapper h2:first-of-type {
    margin-top: 0;
}

.content-wrapper p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.content-wrapper ul {
    margin: 16px 0;
    padding-left: 24px;
}

.content-wrapper li {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

/* ===== 通用 CTA 区 ===== */

.page-cta {
    padding: 100px 0;
    text-align: center;
}

.page-cta.alt {
    background: var(--bg-secondary);
}

/* ===== 响应式 ===== */

@media (max-width: 1024px) {
    .hero {
        padding: 150px 40px 80px;
    }

    .hero h1 {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .cta h2 {
        font-size: 40px;
    }

    .page-hero h1 {
        font-size: 40px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-grid.reverse {
        direction: ltr;
    }

    .module-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .numbers-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 48px auto 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .support-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tech-brief-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flow-diagram {
        gap: 4px;
    }

    .flow-step {
        min-width: 100px;
        padding: 16px 12px;
    }

    .mockup-body {
        min-height: 320px;
    }

    .mockup-kpi {
        grid-template-columns: repeat(2, 1fr);
    }

    .mockup-panels {
        grid-template-columns: 1fr;
    }

    .mockup-sidebar {
        width: 140px;
    }

    .mockup-nav-item span {
        font-size: 11px;
    }

    /* New sections responsive (1024px) */
    .tab-grid {
        grid-template-columns: 1fr;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .banner-statement {
        font-size: 28px;
    }

    .footer-grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-col-brand {
        grid-column: 1 / -1;
    }

    .footer-col-subscribe {
        grid-column: 1 / -1;
    }

    .footer-subscribe-form {
        max-width: 400px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== Icon Color Themes ===== */

/* Trust section icons - 3 distinct colors */
.trust-item:nth-child(3n+1) .trust-icon {
    background: rgba(4, 114, 235, 0.1);
    color: #0472EB;
    box-shadow: 0 4px 12px rgba(4, 114, 235, 0.15);
}
.trust-item:nth-child(3n+2) .trust-icon {
    background: rgba(5, 150, 105, 0.1);
    color: #059669;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.15);
}
.trust-item:nth-child(3n) .trust-icon {
    background: rgba(234, 88, 12, 0.1);
    color: #ea580c;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.15);
}

/* Feature card icons - 4 cycling colors */
.feature-card:nth-child(4n+1) .feature-icon {
    background: rgba(4, 114, 235, 0.08);
    color: #0472EB;
    border-color: rgba(4, 114, 235, 0.2);
}
.feature-card:nth-child(4n+2) .feature-icon {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.2);
}
.feature-card:nth-child(4n+3) .feature-icon {
    background: rgba(5, 150, 105, 0.08);
    color: #059669;
    border-color: rgba(5, 150, 105, 0.2);
}
.feature-card:nth-child(4n) .feature-icon {
    background: rgba(234, 88, 12, 0.08);
    color: #ea580c;
    border-color: rgba(234, 88, 12, 0.2);
}

/* Module cards - 5 cycling accent colors */
.module-card:nth-child(5n+1) .module-icon { color: #0472EB; }
.module-card:nth-child(5n+2) .module-icon { color: #7c3aed; }
.module-card:nth-child(5n+3) .module-icon { color: #059669; }
.module-card:nth-child(5n+4) .module-icon { color: #ea580c; }
.module-card:nth-child(5n) .module-icon { color: #0891b2; }

/* Tab card icons - 4 cycling colors */
.tab-card:nth-child(4n+1) .tab-card-icon {
    background: rgba(4, 114, 235, 0.08);
    color: #0472EB;
    border-color: rgba(4, 114, 235, 0.2);
}
.tab-card:nth-child(4n+2) .tab-card-icon {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.2);
}
.tab-card:nth-child(4n+3) .tab-card-icon {
    background: rgba(5, 150, 105, 0.08);
    color: #059669;
    border-color: rgba(5, 150, 105, 0.2);
}
.tab-card:nth-child(4n) .tab-card-icon {
    background: rgba(234, 88, 12, 0.08);
    color: #ea580c;
    border-color: rgba(234, 88, 12, 0.2);
}

/* Tech brief icons - 3 cycling colors */
.tech-brief-item:nth-child(3n+1) svg { color: #0472EB; }
.tech-brief-item:nth-child(3n+2) svg { color: #7c3aed; }
.tech-brief-item:nth-child(3n) svg { color: #059669; }

/* Flow step icons - accent blue with colored steps */
.flow-step svg { color: #0472EB; }
.flow-step:nth-child(4n+3) svg { color: #059669; }
.flow-step:nth-child(4n+5) svg { color: #7c3aed; }
.flow-step:nth-child(4n+7) svg { color: #ea580c; }

/* Contact icons - 4 cycling colors */
.contact-item:nth-child(4n+1) .contact-icon {
    background: rgba(4, 114, 235, 0.1);
    color: #0472EB;
}
.contact-item:nth-child(4n+2) .contact-icon {
    background: rgba(5, 150, 105, 0.1);
    color: #059669;
}
.contact-item:nth-child(4n+3) .contact-icon {
    background: rgba(124, 58, 237, 0.1);
    color: #7c3aed;
}
.contact-item:nth-child(4n) .contact-icon {
    background: rgba(234, 88, 12, 0.1);
    color: #ea580c;
}

/* Support icons - 3 cycling colors */
.support-card:nth-child(3n+1) .support-icon { color: #0472EB; }
.support-card:nth-child(3n+2) .support-icon { color: #059669; }
.support-card:nth-child(3n) .support-icon { color: #ea580c; }

/* Value icons (about page) - 3 cycling colors */
.value-card:nth-child(3n+1) .value-icon { color: #0472EB; }
.value-card:nth-child(3n+2) .value-icon { color: #7c3aed; }
.value-card:nth-child(3n) .value-icon { color: #059669; }

@media (max-width: 734px) {
    .hero {
        padding: 120px 20px 60px;
    }

    .mockup-sidebar {
        display: none;
    }

    .mockup-kpi {
        grid-template-columns: 1fr 1fr;
    }

    .mockup-kpi-value {
        font-size: 14px;
    }

    .mockup-panels {
        grid-template-columns: 1fr;
    }

    .mockup-body {
        min-height: 300px;
    }

    .mockup-trow {
        font-size: 9px;
    }

    .hero h1 {
        font-size: 36px;
    }

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

    .cta h2 {
        font-size: 32px;
    }

    .module-list {
        grid-template-columns: 1fr;
    }

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-brief-grid {
        grid-template-columns: 1fr;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .page-hero h1 {
        font-size: 32px;
    }

    /* New sections responsive (734px) */
    .announcement-bar {
        font-size: 12px;
    }

    .banner-statement {
        font-size: 22px;
    }

    .rich-text-banner {
        padding: 80px 0;
    }

    .tabs-nav {
        gap: 4px;
    }

    .tab-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .reviews-section,
    .timeline-section,
    .news-section,
    .showcase-section,
    .product-tabs-section {
        padding: 80px 0;
    }

    .timeline {
        padding-left: 32px;
    }

    .timeline::before {
        left: 11px;
    }

    .timeline-marker {
        left: -29px;
        width: 10px;
        height: 10px;
    }

    .timeline-content h4 {
        font-size: 18px;
    }

    .footer-grid-5 {
        grid-template-columns: 1fr 1fr;
    }

    .faq-accordion summary {
        padding: 16px 20px;
        font-size: 15px;
    }

    .faq-accordion .faq-answer {
        padding: 0 20px 16px;
    }
}