/* ============================================
   企业AI基础设施平台 - 设计系统
   Platform CSS Design System
   ============================================ */

/* CSS Variables */
:root {
    /* 背景色 — 居中色调，深浅之间的柔和灰蓝 */
    --bg-primary: #404560;
    --bg-secondary: #343749;
    --bg-tertiary: #2D3040;
    --bg-card: rgba(255, 255, 255, 0.07);
    --bg-card-hover: rgba(255, 255, 255, 0.11);
    --bg-elevated: rgba(255, 255, 255, 0.09);

    /* 边框色 */
    --border-subtle: rgba(255, 255, 255, 0.09);
    --border-default: rgba(255, 255, 255, 0.14);
    --border-hover: rgba(255, 255, 255, 0.24);

    /* 文字色 */
    --text-primary: #E4E6F0;
    --text-secondary: rgba(228, 230, 240, 0.60);
    --text-muted: rgba(228, 230, 240, 0.38);
    --text-accent: #9BA3F5;

    /* 强调色 */
    --accent-primary: #6B75E8;
    --accent-secondary: #8B93F0;
    --accent-tertiary: #A5AEF5;
    --accent-glow: rgba(107, 117, 232, 0.22);

    /* 功能色 */
    --color-success: #4ADE80;
    --color-warning: #FBBF24;
    --color-danger: #F87171;
    --color-info: #60A5FA;

    /* 间距 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* 字体 */
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-width: 320px;
    max-width: 100vw;
    position: relative;
}

/* ============================================
   背景效果
   ============================================ */
/* 背景效果 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(107, 117, 232, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107, 117, 232, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.10;
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    top: -150px;
    left: -150px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
}

.bg-glow-2 {
    bottom: -250px;
    right: -150px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
}

/* ============================================
   导航栏
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    background: rgba(64, 69, 96, 0.88);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 10000;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #A5AEF5 0%, #6B75E8 50%, #4B59D9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 3s ease infinite;
    background-size: 200% 200%;
    position: relative;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: var(--space-4);
    right: var(--space-4);
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    transform: scaleX(1);
}

.nav-cta {
    margin-left: var(--space-4);
}



/* ============================================
   按钮
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

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

.btn-primary:hover {
    background: #5558E3;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
}

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

.btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 16px;
}

/* ============================================
   Hero 区域
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    z-index: 1;
}

.hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-8);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-10);
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
}

.hero-stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

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

/* ============================================
   Dashboard 预览
   ============================================ */

.hero-visual {
    position: relative;
}

.dashboard-frame {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(107, 117, 232, 0.12),
        0 30px 80px rgba(0, 0, 0, 0.30),
        0 0 50px rgba(107, 117, 232, 0.06);
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-subtle);
}

.dashboard-dots {
    display: flex;
    gap: var(--space-2);
}

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

.dashboard-dot:nth-child(1) { background: #ef4444; }
.dashboard-dot:nth-child(2) { background: #f59e0b; }
.dashboard-dot:nth-child(3) { background: #22c55e; }

.dashboard-title {
    font-size: 13px;
    color: var(--text-muted);
}

.dashboard-body {
    padding: var(--space-6);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.dashboard-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.dashboard-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.dashboard-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.dashboard-stat-change {
    font-size: 12px;
    color: var(--color-success);
    margin-top: var(--space-1);
}

.dashboard-stat-change.negative {
    color: var(--color-danger);
}

.dashboard-chart {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-3);
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    opacity: 0.8;
    animation: chartGrow 1s ease-out forwards;
}

.chart-bar:nth-child(1) { height: 60%; animation-delay: 0.1s; }
.chart-bar:nth-child(2) { height: 80%; animation-delay: 0.2s; }
.chart-bar:nth-child(3) { height: 45%; animation-delay: 0.3s; }
.chart-bar:nth-child(4) { height: 90%; animation-delay: 0.4s; }
.chart-bar:nth-child(5) { height: 70%; animation-delay: 0.5s; }
.chart-bar:nth-child(6) { height: 55%; animation-delay: 0.6s; }
.chart-bar:nth-child(7) { height: 85%; animation-delay: 0.7s; }

.dashboard-float {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
    animation: float 6s ease-in-out infinite;
}

.dashboard-float-1 {
    top: -20px;
    right: -30px;
    animation-delay: 0s;
}

.dashboard-float-2 {
    bottom: 40px;
    left: -40px;
    animation-delay: 2s;
}

.dashboard-float-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.dashboard-float-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.dashboard-float-title {
    font-size: 13px;
    font-weight: 600;
}

.dashboard-float-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-success);
}

/* ============================================
   平台能力区
   ============================================ */

.section {
    padding: var(--space-24) 0;
    position: relative;
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: var(--space-4);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

/* 能力网格 */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.capability-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition-base);
}

.capability-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-default);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.capability-card:hover::before {
    opacity: 1;
}

.capability-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.capability-card:hover .capability-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(107, 117, 232, 0.15);
}

.capability-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.capability-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   解决方案
   ============================================ */

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.solution-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: var(--transition-base);
    position: relative;
}

.solution-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-default);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.solution-card:hover::after {
    opacity: 1;
}

.solution-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.solution-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.solution-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--accent-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9999px;
}

.solution-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.solution-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.solution-metrics {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-subtle);
}

.solution-metric {
    text-align: center;
}

.solution-metric-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-primary);
}

.solution-metric-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: var(--space-1);
}


/* ============================================
   CTA
   ============================================ */

.cta {
    padding: var(--space-24) 0;
    text-align: center;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: var(--radius-xl);
    margin: 0 var(--space-8);
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: var(--space-4);
    color: white;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: var(--space-8);
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: var(--space-4);
    line-height: 1.7;
}

.footer-contact {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-contact-item:hover {
    color: var(--text-primary);
}

.footer-contact-item .contact-icon {
    font-size: 16px;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
    display: inline;
    align-items: unset;
    justify-content: unset;
    margin: 0;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-secondary);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-legal-link {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal-link:hover {
    color: var(--text-secondary);
}

.footer-legal-sep {
    color: var(--text-muted);
    opacity: 0.5;
}

/* ============================================
   动画
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   动画关键帧
   ============================================ */

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes chartGrow {
    from { height: 0; opacity: 0; }
    to { opacity: 0.8; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes ripple {
    to {
        width: 200%;
        height: 200%;
        opacity: 0;
    }
}

@keyframes logoGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================
   交互动画
   ============================================ */

/* 卡片滚动渐入 */
.card, .feature-item, .service-card, .quick-entry-card,
.advantage-card, .function-card, .custom-card, .product-card,
.capability-card, .solution-card {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease,
                background var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base);
}

.card.revealed,
.feature-item.revealed,
.service-card.revealed,
.quick-entry-card.revealed,
.advantage-card.revealed,
.function-card.revealed,
.custom-card.revealed,
.product-card.revealed,
.capability-card.revealed,
.solution-card.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 900;
    box-shadow: 0 4px 12px var(--accent-glow);
    border: none;
    text-decoration: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-secondary);
    transform: translateY(-4px);
}

.back-to-top span {
    font-size: 1.25rem;
    font-weight: bold;
}

/* 进度条 */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* 按钮涟漪 */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

/* 表单聚焦效果 */
.form-group {
    position: relative;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group.error .form-input {
    border-color: var(--color-danger);
}

/* Header滚动效果 */
.header.scrolled {
    background: rgba(64, 69, 96, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.20);
}

/* ============================================
   响应式断点
   ============================================ */

/* 超宽屏 */
@media (min-width: 1600px) {
    .container {
        max-width: 1320px;
    }

    .hero-inner {
        max-width: 1400px;
    }

    .section {
        padding: 100px 0;
    }
}

/* 宽屏平板 */
@media (max-width: 1200px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .hero-visual {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-stats {
        justify-content: center;
    }

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

    .footer-grid {
        grid-template-columns: repeat(3, 1fr) 2fr;
        gap: var(--space-8);
    }
}

/* 平板竖屏 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: clamp(36px, 6vw, 52px);
        letter-spacing: -1.5px;
    }

    .section-title {
        font-size: 32px;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .dashboard-float-1,
    .dashboard-float-2 {
        display: none;
    }
}

/* 大手机 */
@media (max-width: 768px) {
    /* --- 导航 --- */
    .nav {
        display: none;
    }

    

    /* 汉堡菜单激活态 */
    

    /* --- Hero --- */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-badge {
        margin: 0 auto var(--space-5);
    }

    .hero-title {
        font-size: clamp(28px, 8vw, 40px);
        letter-spacing: -0.5px;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 15px;
        line-height: 1.7;
        max-width: 100%;
        margin-bottom: var(--space-8);
        padding: 0 var(--space-4);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
        padding: 0 var(--space-6);
        max-width: 320px;
        margin: 0 auto;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        font-size: 15px;
        padding: var(--space-4) var(--space-5);
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-6);
        margin-top: var(--space-10);
        padding-top: var(--space-8);
    }

    .hero-stat {
        min-width: 90px;
    }

    .hero-stat-value {
        font-size: 22px;
    }

    .hero-stat-label {
        font-size: 12px;
    }

    /* 移动端隐藏Dashboard，只保留简洁占位 */
    .hero-visual {
        order: 1;
        display: none;
    }

    .dashboard-frame,
    .dashboard-float {
        display: none;
    }

    /* --- 内容区 --- */
    .section {
        padding: var(--space-16) 0;
    }

    .section-alt {
        padding: var(--space-16) 0;
    }

    .container {
        padding: 0 var(--space-5);
    }

    .section-header {
        margin-bottom: var(--space-10);
        padding: 0 var(--space-2);
    }

    .section-eyebrow {
        font-size: 11px;
        letter-spacing: 1.5px;
        margin-bottom: var(--space-3);
    }

    .section-title {
        font-size: 24px;
        letter-spacing: -0.5px;
        line-height: 1.3;
        margin-bottom: var(--space-3);
    }

    .section-desc {
        font-size: 15px;
        line-height: 1.6;
        padding: 0 var(--space-4);
    }

    /* 能力卡片 — 单列，留足间距 */
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .capability-card {
        padding: var(--space-6);
    }

    .capability-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
        margin-bottom: var(--space-4);
    }

    .capability-title {
        font-size: 17px;
        margin-bottom: var(--space-2);
    }

    .capability-desc {
        font-size: 14px;
        line-height: 1.65;
    }

    /* 解决方案卡片 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .solution-card {
        padding: var(--space-6);
    }

    .solution-title {
        font-size: 17px;
    }

    .solution-desc {
        font-size: 14px;
    }

    /* --- 功能特性轮播 --- */
    .features-grid {
        display: flex;
        overflow-x: auto;
        gap: var(--space-4);
        padding-bottom: var(--space-4);
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .features-grid .feature-item {
        flex: 0 0 280px;
        scroll-snap-align: start;
    }

    /* --- CTA --- */
    .cta {
        padding: var(--space-16) var(--space-5);
        border-radius: var(--radius-lg);
        margin: 0 var(--space-4);
    }

    .cta-title {
        font-size: 22px;
        letter-spacing: -0.3px;
        line-height: 1.3;
    }

    .cta-desc {
        font-size: 14px;
        margin-bottom: var(--space-6);
    }

    .cta .btn {
        width: 100%;
        justify-content: center;
        font-size: 15px;
        padding: var(--space-4);
    }

    /* --- Plans 方案卡片 --- */
    .plans-section {
        padding: var(--space-12) 0;
    }

    .plans-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .plan-card {
        padding: var(--space-6);
    }

    .plan-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    .plan-title {
        font-size: 18px;
    }

    .plan-desc {
        font-size: 14px;
    }

    .plan-price {
        font-size: 16px;
        margin: var(--space-3) 0;
    }

    .plan-features {
        margin-bottom: var(--space-5);
    }

    .plan-feature {
        font-size: 13px;
        padding: var(--space-2) 0;
    }

    /* --- Footer --- */
    .footer {
        padding: var(--space-12) 0 100px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-4);
    }

    .footer-grid > div {
        width: auto;
        flex: none;
    }

    .footer-title {
        font-size: 13px;
        margin-bottom: var(--space-3);
        white-space: nowrap;
    }

    .footer-links {
        gap: var(--space-2);
    }

    .footer-link {
        font-size: 13px;
        padding: var(--space-1) 0;
        white-space: nowrap;
    }

    .footer-brand-desc {
        font-size: 13px;
    }

    .footer-contact {
        margin-top: var(--space-4);
        gap: var(--space-2);
    }

    .footer-contact-item {
        font-size: 13px;
        white-space: nowrap;
    }

    .footer-bottom {
        margin-top: var(--space-8);
    }

    .footer-bottom-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-3);
    }

    .footer-copyright {
        font-size: 12px;
        line-height: 1.5;
    }

    .footer-legal-links {
        gap: var(--space-2);
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-legal-link {
        font-size: 12px;
    }

    /* --- 返回顶部 --- */
    .back-to-top {
        bottom: 20px;
        right: 16px;
        width: 40px;
        height: 40px;
    }

    /* --- 进度条隐藏手机端 --- */
    .progress-bar {
        display: none;
    }
}

/* 中等手机横屏 / 大屏手机 */
@media (max-width: 640px) {
    .hero-stats {
        gap: var(--space-5);
    }

    .hero-stat {
        min-width: 85px;
    }

    .hero-stat-value {
        font-size: 20px;
    }

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

/* 小手机 */
@media (max-width: 480px) {
    /* 移动端Header固定定位 */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        min-width: 320px;
        height: 60px;
        z-index: 10000;
        overflow: hidden;
    }

    .header-inner {
        padding: 0 var(--space-3);
        height: 100%;
        overflow: hidden;
    }

    .logo {
        flex-shrink: 0;
        z-index: 10002;
        position: relative;
    }

    .logo-icon {
        font-size: 20px;
    }

    .logo-text {
        font-size: 16px;
    }

    

    .hero-badge {
        font-size: 11px;
        padding: var(--space-1) var(--space-3);
    }

    .hero-title {
        font-size: clamp(24px, 8vw, 32px);
    }

    .hero-subtitle {
        font-size: 14px;
        padding: 0;
    }

    .hero-actions {
        padding: 0;
    }

    .hero-stat {
        min-width: 80px;
    }

    .hero-stat-value {
        font-size: 20px;
    }

    .hero-stat-label {
        font-size: 11px;
    }

    .section-eyebrow {
        font-size: 10px;
        letter-spacing: 1.2px;
    }

    .section-title {
        font-size: 20px;
    }

    .capability-card,
    .solution-card {
        padding: var(--space-5);
    }

    .capability-title,
    .solution-title {
        font-size: 16px;
    }

    .capability-desc,
    .solution-desc {
        font-size: 13px;
    }

    .cta {
        margin: 0 var(--space-3);
        padding: var(--space-12) var(--space-4);
    }

    .cta-title {
        font-size: 20px;
    }

    .btn-lg {
        padding: var(--space-3) var(--space-5);
        font-size: 14px;
    }

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

    .footer-bottom {
        margin-top: var(--space-6);
    }

    /* 防止内容溢出 */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    .container {
        max-width: 100%;
        padding-left: 12px;
        padding-right: 12px;
    }

    .section {
        padding: 40px 0;
    }

    .hero {
        padding: 80px 0 40px;
    }

    .hero-title {
        font-size: clamp(20px, 6vw, 28px);
        word-wrap: break-word;
    }

    .hero-subtitle {
        font-size: 13px;
        word-wrap: break-word;
    }

    .section-title {
        font-size: 18px;
    }

    .section-desc {
        font-size: 13px;
    }

    /* 网格布局强制自适应 - 支持横向滚动 */
    .products-grid,
    .capabilities-grid,
    .solutions-grid,
    .features-grid,
    .stats-grid,
    .steps-grid,
    .faq-grid,
    .pricing-grid,
    .comparison-grid,
    .testimonials-grid,
    .brands-grid,
    .industries-grid,
    .flow-grid,
    .dashboard-side,
    .contact-grid,
    .plans-grid,
    .resource-grid {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
        gap: 12px;
        padding-bottom: 12px;
    }

    /* 横向滚动条样式 */
    .products-grid::-webkit-scrollbar,
    .capabilities-grid::-webkit-scrollbar,
    .solutions-grid::-webkit-scrollbar,
    .features-grid::-webkit-scrollbar,
    .stats-grid::-webkit-scrollbar,
    .steps-grid::-webkit-scrollbar,
    .faq-grid::-webkit-scrollbar,
    .pricing-grid::-webkit-scrollbar,
    .comparison-grid::-webkit-scrollbar,
    .testimonials-grid::-webkit-scrollbar,
    .brands-grid::-webkit-scrollbar,
    .industries-grid::-webkit-scrollbar,
    .flow-grid::-webkit-scrollbar,
    .dashboard-side::-webkit-scrollbar,
    .contact-grid::-webkit-scrollbar,
    .plans-grid::-webkit-scrollbar,
    .resource-grid::-webkit-scrollbar {
        height: 8px;
    }

    .products-grid::-webkit-scrollbar-track,
    .capabilities-grid::-webkit-scrollbar-track,
    .solutions-grid::-webkit-scrollbar-track,
    .features-grid::-webkit-scrollbar-track,
    .stats-grid::-webkit-scrollbar-track,
    .steps-grid::-webkit-scrollbar-track,
    .faq-grid::-webkit-scrollbar-track,
    .pricing-grid::-webkit-scrollbar-track,
    .comparison-grid::-webkit-scrollbar-track,
    .testimonials-grid::-webkit-scrollbar-track,
    .brands-grid::-webkit-scrollbar-track,
    .industries-grid::-webkit-scrollbar-track,
    .flow-grid::-webkit-scrollbar-track,
    .dashboard-side::-webkit-scrollbar-track,
    .contact-grid::-webkit-scrollbar-track,
    .plans-grid::-webkit-scrollbar-track,
    .resource-grid::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 4px;
    }

    .products-grid::-webkit-scrollbar-thumb,
    .capabilities-grid::-webkit-scrollbar-thumb,
    .solutions-grid::-webkit-scrollbar-thumb,
    .features-grid::-webkit-scrollbar-thumb,
    .stats-grid::-webkit-scrollbar-thumb,
    .steps-grid::-webkit-scrollbar-thumb,
    .faq-grid::-webkit-scrollbar-thumb,
    .pricing-grid::-webkit-scrollbar-thumb,
    .comparison-grid::-webkit-scrollbar-thumb,
    .testimonials-grid::-webkit-scrollbar-thumb,
    .brands-grid::-webkit-scrollbar-thumb,
    .industries-grid::-webkit-scrollbar-thumb,
    .flow-grid::-webkit-scrollbar-thumb,
    .dashboard-side::-webkit-scrollbar-thumb,
    .contact-grid::-webkit-scrollbar-thumb,
    .plans-grid::-webkit-scrollbar-thumb,
    .resource-grid::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 4px;
    }

    /* 卡片固定宽度，支持滚动 */
    .product-card,
    .capability-card,
    .solution-card,
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .industry-card,
    .flow-step,
    .dashboard-panel,
    .plan-card,
    .resource-card {
        flex: 0 0 calc(100vw - 48px);
        max-width: calc(100vw - 48px);
        margin: 0;
    }

    /* 数据仪表板横向滚动 */
    .dashboard-main {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .dashboard-main::-webkit-scrollbar {
        height: 8px;
    }

    .dashboard-main::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 4px;
    }

    .dashboard-main::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 4px;
    }

    .dashboard-main-grid {
        display: flex;
        flex-wrap: nowrap;
        gap: var(--space-4);
        min-width: max-content;
    }

    .dashboard-main-stat {
        flex: 0 0 calc(50vw - 32px);
        max-width: calc(50vw - 32px);
    }

    @media (min-width: 400px) {
        .dashboard-main-stat {
            flex: 0 0 160px;
            max-width: 160px;
        }
    }

    /* chart-area横向滚动 */
    .chart-area {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .chart-area::-webkit-scrollbar {
        height: 6px;
    }

    .chart-area::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 3px;
    }

    .chart-area::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 3px;
    }

    /* 表格强制滚动显示滚动条 */
    .table-wrapper,
    .table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .table-wrapper::-webkit-scrollbar,
    .table-scroll::-webkit-scrollbar {
        height: 8px;
    }

    .table-wrapper::-webkit-scrollbar-track,
    .table-scroll::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 4px;
    }

    .table-wrapper::-webkit-scrollbar-thumb,
    .table-scroll::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 4px;
    }

    table {
        font-size: 12px;
        min-width: 600px;
    }

    /* 图片和媒体强制自适应 */
    img,
    video,
    iframe {
        max-width: 100%;
        height: auto;
    }

    /* 按钮组强制换行 */
    .btn-group,
    .hero-actions,
    .cta-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* 导航链接横向滚动显示滚动条 */
    .nav-links {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .nav-links::-webkit-scrollbar {
        height: 6px;
    }

    .nav-links::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 3px;
    }

    .nav-links::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 3px;
    }

    /* 可滚动容器显示滚动条 */
    .scroll-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .scroll-container::-webkit-scrollbar {
        height: 8px;
    }

    .scroll-container::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 4px;
    }

    .scroll-container::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 4px;
    }

    /* 水平滚动区域 */
    .horizontal-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-primary) var(--bg-tertiary);
    }

    .horizontal-scroll::-webkit-scrollbar {
        height: 8px;
    }

    .horizontal-scroll::-webkit-scrollbar-track {
        background: var(--bg-tertiary);
        border-radius: 4px;
    }

    .horizontal-scroll::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 4px;
    }

    /* 页脚网格强制2列 */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* 底部Tab栏 */
    .bottom-tab-bar {
        padding: 8px 0;
    }

    .tab-item {
        padding: 8px;
        font-size: 10px;
    }
}

/* 小手机双列显示 */
@media (max-width: 400px) {
    .product-card,
    .capability-card,
    .solution-card,
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .industry-card,
    .flow-step,
    .dashboard-panel,
    .plan-card,
    .resource-card {
        flex: 0 0 calc(50vw - 18px);
        max-width: calc(50vw - 18px);
    }

    .dashboard-main-stat {
        flex: 0 0 calc(50vw - 32px);
        max-width: calc(50vw - 32px);
    }
}

/* === contact.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 联系卡片 */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-6);
            padding: var(--space-20) 0;
        }
        
        .contact-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-8);
            text-align: center;
            transition: var(--transition-base);
        }
        
        .contact-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            transform: translateY(-4px);
        }
        
        .contact-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto var(--space-5);
        }
        
        .contact-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--space-2);
        }
        
        .contact-value {
            font-size: 15px;
            color: var(--text-secondary);
        }
        
        .contact-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: var(--space-2);
        }
        
        /* 表单区域 */
        .form-section {
            padding: var(--space-20) 0;
        }
        
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-12);
        }
        
        .form-wrapper {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-10);
        }
        
        .form-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--space-6);
        }
        
        .form-group {
            margin-bottom: var(--space-5);
        }
        
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: var(--space-2);
        }
        
        .form-input,
        .form-textarea {
            width: 100%;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-4);
            font-size: 15px;
            color: var(--text-primary);
            transition: var(--transition-fast);
        }
        
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        
        .form-input::placeholder,
        .form-textarea::placeholder {
            color: var(--text-muted);
        }
        
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-5);
        }
        
        .form-submit {
            width: 100%;
            margin-top: var(--space-6);
        }
        
        /* 联系信息 */
        .info-wrapper h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--space-6);
        }
        
        .info-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-6);
        }
        
        .info-item {
            display: flex;
            gap: var(--space-4);
        }
        
        .info-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        
        .info-content h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: var(--space-1);
        }
        
        .info-content p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .info-content p + p {
            margin-top: var(--space-1);
        }
        
        /* 响应式 */
        @media (max-width: 1024px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .contact-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
            
            .form-row {
                grid-template-columns: 1fr;
            }
        }

/* === help.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }

        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }

        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 搜索栏 */
        .help-search {
            max-width: 560px;
            margin: 0 auto var(--space-16);
            position: relative;
        }

        .help-search-input {
            width: 100%;
            padding: var(--space-4) var(--space-6);
            padding-left: 52px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            color: var(--text-primary);
            font-size: 16px;
            outline: none;
            transition: var(--transition-base);
        }

        .help-search-input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 4px var(--accent-glow);
        }

        .help-search-input::placeholder {
            color: var(--text-muted);
        }

        .help-search-icon {
            position: absolute;
            left: var(--space-5);
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            opacity: 0.5;
        }

        /* 分类 */
        .help-categories {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-6);
            padding: var(--space-16) 0;
        }

        .help-category {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            text-align: center;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .help-category:hover {
            border-color: var(--accent-primary);
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .help-category-icon {
            font-size: 40px;
            margin-bottom: var(--space-4);
        }

        .help-category-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }

        .help-category-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section {
            padding: var(--space-20) 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-6);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-default);
        }

        .faq-question {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--space-3);
            display: flex;
            align-items: flex-start;
            gap: var(--space-3);
        }

        .faq-question-icon {
            color: var(--accent-primary);
            flex-shrink: 0;
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-left: 28px;
        }

        /* 资源卡片 */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
            padding: var(--space-16) 0;
        }

        .resource-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            transition: var(--transition-base);
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .resource-card:hover {
            border-color: var(--accent-primary);
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .resource-card-icon {
            font-size: 32px;
            margin-bottom: var(--space-4);
        }

        .resource-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }

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

        /* CTA */
        .help-cta {
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-16);
            text-align: center;
            margin-top: var(--space-16);
        }

        .help-cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: var(--space-4);
        }

        .help-cta-desc {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: var(--space-8);
        }

        @media (max-width: 768px) {
            .help-categories {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }

/* === about.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 公司信息 */
        .company-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-12);
            padding: var(--space-20) 0;
            align-items: center;
        }
        
        .company-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-5);
        }
        
        .company-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            text-align: center;
        }
        
        .company-stat-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-primary);
            margin-bottom: var(--space-2);
        }
        
        .company-stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }
        
        /* 价值观 */
        .values-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
            padding: var(--space-20) 0;
        }
        
        .value-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            text-align: center;
            transition: var(--transition-base);
        }
        
        .value-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            transform: translateY(-4px);
        }
        
        .value-icon {
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            margin: 0 auto var(--space-5);
        }
        
        .value-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-3);
        }
        
        .value-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        /* 团队 */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
            padding: var(--space-20) 0;
        }
        
        .team-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            text-align: center;
        }
        
        .team-avatar {
            width: 80px;
            height: 80px;
            background: var(--bg-tertiary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            margin: 0 auto var(--space-4);
        }
        
        .team-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-1);
        }
        
        .team-role {
            font-size: 13px;
            color: var(--accent-primary);
            margin-bottom: var(--space-3);
        }
        
        .team-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

/* === agreement.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        .legal-section {
            padding: var(--space-20) 0;
        }
        
        .legal-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-10);
            max-width: 900px;
            margin: 0 auto;
        }
        
        .legal-nav {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            margin-bottom: var(--space-8);
            font-size: 14px;
            color: var(--text-muted);
        }
        
        .legal-nav a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        
        .legal-nav a:hover {
            color: var(--text-primary);
        }
        
        .legal-block {
            margin-bottom: var(--space-10);
            padding-bottom: var(--space-10);
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .legal-block:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .legal-block h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-5);
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        
        .legal-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-primary);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: white;
        }
        
        .legal-block p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-4);
        }
        
        .legal-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .legal-block li {
            position: relative;
            padding-left: var(--space-6);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-3);
        }
        
        .legal-block li::before {
            content: '•';
            position: absolute;
            left: var(--space-2);
            color: var(--accent-primary);
            font-weight: 700;
        }
        
        .legal-link {
            color: var(--accent-primary);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: var(--transition-base);
        }
        
        .legal-link:hover {
            border-bottom-color: var(--accent-primary);
        }
        
        .legal-note {
            display: flex;
            align-items: flex-start;
            gap: var(--space-3);
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-4);
            margin-top: var(--space-4);
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .legal-note-icon {
            font-size: 16px;
        }
        
        .legal-contact {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-4);
            margin-top: var(--space-5);
        }
        
        .legal-contact-item {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            padding: var(--space-4);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .legal-contact-icon {
            font-size: 18px;
        }
        
        .legal-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: var(--space-10);
            padding-top: var(--space-8);
            border-top: 1px solid var(--border-subtle);
        }
        
        .legal-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        
        @media (max-width: 768px) {
            .legal-card {
                padding: var(--space-6);
            }
            
            .legal-contact {
                grid-template-columns: 1fr;
            }
            
            .legal-footer {
                flex-direction: column;
                gap: var(--space-4);
                text-align: center;
            }
        }

/* === privacy.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        .legal-section {
            padding: var(--space-20) 0;
        }
        
        .legal-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-10);
            max-width: 900px;
            margin: 0 auto;
        }
        
        .legal-nav {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            margin-bottom: var(--space-8);
            font-size: 14px;
            color: var(--text-muted);
        }
        
        .legal-nav a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        
        .legal-nav a:hover {
            color: var(--text-primary);
        }
        
        .legal-block {
            margin-bottom: var(--space-10);
            padding-bottom: var(--space-10);
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .legal-block:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .legal-block h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-5);
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        
        .legal-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-primary);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: white;
        }
        
        .legal-block p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-4);
        }
        
        .legal-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .legal-block li {
            position: relative;
            padding-left: var(--space-6);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-3);
        }
        
        .legal-block li::before {
            content: '•';
            position: absolute;
            left: var(--space-2);
            color: var(--accent-primary);
            font-weight: 700;
        }
        
        .legal-link {
            color: var(--accent-primary);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: var(--transition-base);
        }
        
        .legal-link:hover {
            border-bottom-color: var(--accent-primary);
        }
        
        .legal-note {
            display: flex;
            align-items: flex-start;
            gap: var(--space-3);
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-4);
            margin-top: var(--space-4);
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .legal-note-icon {
            font-size: 16px;
        }
        
        .legal-contact {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-4);
            margin-top: var(--space-5);
        }
        
        .legal-contact-item {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            padding: var(--space-4);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .legal-contact-icon {
            font-size: 18px;
        }
        
        .legal-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: var(--space-10);
            padding-top: var(--space-8);
            border-top: 1px solid var(--border-subtle);
        }
        
        .legal-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        
        @media (max-width: 768px) {
            .legal-card {
                padding: var(--space-6);
            }
            
            .legal-contact {
                grid-template-columns: 1fr;
            }
            
            .legal-footer {
                flex-direction: column;
                gap: var(--space-4);
                text-align: center;
            }
        }

/* === agent.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 产品展示 */
        .products-section {
            padding: var(--space-20) 0;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-8);
        }
        
        .product-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            transition: var(--transition-base);
        }
        
        .product-card:hover {
            border-color: var(--border-default);
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }
        
        .product-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: var(--space-6);
        }
        
        .product-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
        }
        
        .product-badge {
            padding: var(--space-1) var(--space-3);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 9999px;
            font-size: 12px;
            color: var(--text-muted);
        }
        
        .product-badge.hot {
            background: rgba(239, 68, 68, 0.1);
            border-color: rgba(239, 68, 68, 0.2);
            color: #ef4444;
        }
        
        .product-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--space-3);
        }
        
        .product-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-6);
        }
        
        .product-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-3);
            margin-bottom: var(--space-6);
        }
        
        .product-feature {
            display: flex;
            align-items: center;
            gap: var(--space-2);
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .product-feature::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 600;
        }
        
        .product-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-4);
            padding-top: var(--space-6);
            border-top: 1px solid var(--border-subtle);
        }
        
        .product-metric {
            text-align: center;
        }
        
        .product-metric-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-primary);
        }
        
        .product-metric-label {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: var(--space-1);
        }
        
        /* 行业方案 */
        .industries-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .industry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            text-align: center;
            transition: var(--transition-base);
        }
        
        .industry-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            transform: translateY(-4px);
        }
        
        .industry-icon {
            font-size: 40px;
            margin-bottom: var(--space-4);
        }
        
        .industry-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--space-2);
        }
        
        .industry-desc {
            font-size: 13px;
            color: var(--text-muted);
        }
        
        /* 流程 */
        .flow-section {
            padding: var(--space-20) 0;
        }
        
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--space-4);
            position: relative;
        }
        
        .flow-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border-subtle);
        }
        
        .flow-step {
            text-align: center;
            position: relative;
        }
        
        .flow-num {
            width: 80px;
            height: 80px;
            background: var(--bg-secondary);
            border: 2px solid var(--border-subtle);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto var(--space-4);
            position: relative;
            z-index: 1;
            transition: var(--transition-base);
        }
        
        .flow-step:hover .flow-num {
            background: var(--accent-primary);
            border-color: var(--accent-primary);
            transform: scale(1.1);
        }
        
        .flow-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: var(--space-2);
        }
        
        .flow-desc {
            font-size: 12px;
            color: var(--text-muted);
        }
        
        /* 对比 */
        .compare-section {
            padding: var(--space-20) 0;
        }
        
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-6);
            max-width: 900px;
            margin: 0 auto;
        }
        
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
        }
        
        .compare-card.highlight {
            border-color: var(--accent-primary);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), transparent);
        }
        
        .compare-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-4);
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        
        .compare-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        
        .compare-item {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .compare-item::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 600;
        }
        
        .compare-card:not(.highlight) .compare-item::before {
            content: '✗';
            color: var(--text-muted);
        }

/* === token-hub.html page styles === */

/* 企业AI词元中心 专属样式 */
        .page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 数据大屏 */
        .dashboard-main {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-bottom: var(--space-8);
        }
        
        .dashboard-main-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-4) var(--space-6);
            background: var(--bg-tertiary);
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .dashboard-main-title {
            font-size: 14px;
            font-weight: 600;
        }
        
        .dashboard-main-body {
            padding: var(--space-6);
        }
        
        .dashboard-main-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-5);
            margin-bottom: var(--space-6);
        }
        
        .dashboard-main-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-5);
        }
        
        .dashboard-main-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: var(--space-2);
        }
        
        .dashboard-main-stat-value {
            font-size: 28px;
            font-weight: 700;
        }
        
        .dashboard-main-stat-change {
            font-size: 12px;
            margin-top: var(--space-1);
        }
        
        .dashboard-main-stat-change.up { color: var(--color-success); }
        .dashboard-main-stat-change.down { color: var(--color-danger); }
        
        .chart-area {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-5);
            height: 280px;
            position: relative;
        }
        
        .chart-title {
            font-size: 13px;
            font-weight: 600;
            margin-bottom: var(--space-4);
        }
        
        /* 趋势图表 */
        .trend-chart {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            height: 200px;
            padding-top: var(--space-4);
        }
        
        .trend-bar-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-end;
            gap: var(--space-2);
            flex: 1;
            height: 100%;
        }
        
        .trend-bar {
            width: 100%;
            max-width: 40px;
            background: linear-gradient(to top, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: var(--transition-base);
        }
        
        .trend-bar:hover {
            opacity: 0.8;
            transform: scaleY(1.02);
            transform-origin: bottom;
        }
        
        .trend-label {
            font-size: 11px;
            color: var(--text-muted);
        }
        
        /* 副仪表板 */
        .dashboard-side {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .dashboard-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
        }
        
        .dashboard-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--space-5);
        }
        
        .dashboard-panel-title {
            font-size: 14px;
            font-weight: 600;
        }
        
        .dashboard-panel-badge {
            font-size: 11px;
            padding: var(--space-1) var(--space-2);
            background: var(--bg-card);
            border-radius: 9999px;
            color: var(--text-muted);
        }
        
        /* 部门排行 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        
        .rank-item {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            padding: var(--space-3);
            background: var(--bg-card);
            border-radius: var(--radius-md);
        }
        
        .rank-num {
            width: 24px;
            height: 24px;
            background: var(--bg-tertiary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
        }
        
        .rank-num.top {
            background: var(--accent-primary);
            color: white;
        }
        
        .rank-info {
            flex: 1;
        }
        
        .rank-name {
            font-size: 13px;
            font-weight: 600;
        }
        
        .rank-dept {
            font-size: 11px;
            color: var(--text-muted);
        }
        
        .rank-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-primary);
        }
        
        /* API 状态 */
        .api-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        
        .api-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-3);
            background: var(--bg-card);
            border-radius: var(--radius-md);
        }
        
        .api-info {
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        
        .api-icon {
            width: 32px;
            height: 32px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        
        .api-name {
            font-size: 13px;
            font-weight: 600;
        }
        
        .api-status {
            display: flex;
            align-items: center;
            gap: var(--space-2);
            font-size: 12px;
        }
        
        .api-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        
        .api-dot.online { background: var(--color-success); }
        .api-dot.warning { background: var(--color-warning); }
        
        /* 日志 */
        .log-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-2);
            max-height: 240px;
            overflow-y: auto;
        }
        
        .log-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-3);
            padding: var(--space-2) var(--space-3);
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            font-size: 12px;
        }
        
        .log-time {
            color: var(--text-muted);
            font-family: monospace;
        }
        
        .log-type {
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 10px;
            font-weight: 600;
        }
        
        .log-type.info {
            background: rgba(59, 130, 246, 0.2);
            color: var(--color-info);
        }
        
        .log-type.success {
            background: rgba(34, 197, 94, 0.2);
            color: var(--color-success);
        }
        
        .log-type.warning {
            background: rgba(245, 158, 11, 0.2);
            color: var(--color-warning);
        }
        
        .log-msg {
            color: var(--text-secondary);
            flex: 1;
        }
        
        /* 功能特性 */
        .features-section {
            padding: var(--space-20) 0;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: var(--space-4);
        }
        
        .feature-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-3);
        }
        
        .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

/* === ai-marketing.html page styles === */

.page-hero {
            padding: 160px 0 80px;
            text-align: center;
        }
        
        .page-hero-title {
            font-size: clamp(36px, 4vw, 56px);
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: var(--space-5);
        }
        
        .page-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 对比 */
        .compare-section {
            padding: var(--space-20) 0;
        }
        
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-6);
            max-width: 900px;
            margin: 0 auto;
        }
        
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
        }
        
        .compare-card.highlight {
            border-color: var(--accent-primary);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), transparent);
        }
        
        .compare-badge {
            display: inline-block;
            padding: var(--space-1) var(--space-3);
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: var(--space-4);
        }
        
        .compare-badge.danger {
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
        }
        
        .compare-badge.success {
            background: rgba(34, 197, 94, 0.1);
            color: #22c55e;
        }
        
        .compare-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-5);
        }
        
        .compare-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-4);
        }
        
        .compare-metric {
            padding: var(--space-3);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
        }
        
        .compare-metric-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: var(--space-1);
        }
        
        .compare-metric-value {
            font-size: 16px;
            font-weight: 600;
        }
        
        /* 解决方案 */
        .solutions-section {
            padding: var(--space-20) 0;
        }
        
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            transition: var(--transition-base);
        }
        
        .solution-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            transform: translateY(-4px);
        }
        
        .solution-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: var(--space-4);
        }
        
        .solution-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-3);
        }
        
        .solution-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-4);
        }
        
        .solution-metric {
            padding: var(--space-3);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            font-size: 13px;
            color: var(--accent-primary);
            font-weight: 600;
        }
        
        /* 方案推荐 */
        .plans-section {
            padding: var(--space-20) 0;
        }
        
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .plan-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            text-align: center;
            transition: var(--transition-base);
        }
        
        .plan-card:hover {
            border-color: var(--border-default);
            transform: translateY(-8px);
        }
        
        .plan-card.featured {
            border-color: var(--accent-primary);
            position: relative;
        }
        
        .plan-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin: 0 auto var(--space-5);
        }
        
        .plan-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }
        
        .plan-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: var(--space-5);
        }
        
        .plan-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-primary);
            margin-bottom: var(--space-5);
        }
        
        .plan-features {
            text-align: left;
            margin-bottom: var(--space-6);
        }
        
        .plan-feature {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            padding: var(--space-2) 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .plan-feature::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 600;
        }
        
        /* 成功案例 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
        }
        
        .case-tag {
            display: inline-block;
            padding: var(--space-1) var(--space-3);
            background: var(--bg-card);
            border-radius: 9999px;
            font-size: 11px;
            color: var(--text-muted);
            margin-bottom: var(--space-3);
        }
        
        .case-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--space-3);
        }
        
        .case-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-4);
        }
        
        .case-result {
            padding: var(--space-3);
            background: rgba(34, 197, 94, 0.1);
            border-radius: var(--radius-md);
            font-size: 13px;
            color: var(--color-success);
            font-weight: 600;
        }
        
        /* 为什么现在 */
        .why-section {
            padding: var(--space-20) 0;
            background: var(--bg-secondary);
        }
        
        .why-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-6);
        }
        
        .why-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-6);
            text-align: center;
        }
        
        .why-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-3);
        }
        
        .why-desc {
            font-size: 14px;
            color: var(--text-secondary);
        }

/* ============================================
   移动端底部 Tab 栏（bottom-tab-bar）
   ============================================ */
.bottom-tab-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(45, 48, 64, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--border-subtle);
    z-index: 10001;
    padding: var(--space-2) 0;
    padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--space-2) var(--space-1);
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    gap: 2px;
    position: relative;
}

.tab-item::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.tab-icon {
    font-size: 20px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.tab-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* 当前激活 Tab 指示条 */
.tab-item.active::after {
    transform: translateX(-50%) scaleX(1);
}

.tab-item.active {
    color: var(--accent-primary);
}

.tab-item.active .tab-icon {
    transform: scale(1.1);
}

/* ============================================
   help.html 导航结构（nav-inner / nav-links）
   ============================================ */
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .capability-card:hover,
    .solution-card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }
}

/* ============================================
   移动端适配 - 768px及以下
   ============================================ */
@media (max-width: 768px) {
    /* 移动端设置 */
    html, body {
        max-width: 100vw;
        overflow-y: auto;
        overscroll-behavior-y: auto;
    }

    body {
        min-height: 100vh;
        min-height: 100dvh;
        position: relative;
    }

    /* 移动端Header固定 + 模糊背景 */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        z-index: 10000;
        background: rgba(10, 12, 18, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .header-inner {
        padding: 0 16px;
        height: 60px;
    }

    .logo {
        flex-shrink: 0;
        z-index: 10001;
        -webkit-tap-highlight-color: transparent;
    }

    .logo-icon {
        font-size: 22px;
    }

    .logo-text {
        font-size: 17px;
        font-weight: 700;
    }

    /* 移动端菜单按钮 */
    

    /* 隐藏桌面端导航 */
    .nav {
        display: none !important;
    }

    /* Hero区域 - 移动端单列布局 */
    .hero {
        padding: 76px 0 32px !important;
        min-height: auto !important;
    }

    .hero-inner {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 24px;
    }

    .hero-content {
        width: 100%;
        text-align: center;
    }

    .hero-badge {
        font-size: 11px;
        padding: 6px 12px;
    }

    .hero-title {
        font-size: clamp(26px, 8vw, 36px);
        line-height: 1.2;
        word-wrap: break-word;
        max-width: 100%;
    }

    /* 移动端菜单展开样式 */
    .nav-open .nav {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 12, 18, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        z-index: 9999;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        padding: 20px;
    }

    .nav-open .nav-link {
        font-size: 20px;
        padding: 16px 24px;
        width: 100%;
        max-width: 300px;
        text-align: center;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        -webkit-tap-highlight-color: transparent;
        transition: background 0.2s;
    }

    .nav-open .nav-link:active {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-open .nav-cta {
        margin-top: 20px;
    }

    .nav-open .nav-cta .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    /* 面包屑导航移动端 */
    .breadcrumb {
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }

    .breadcrumb-item {
        font-size: 12px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .breadcrumb-item::after {
        margin-left: 8px;
    }

    /* 评分星星移动端 */
    .rating {
        gap: 2px;
    }

    .star-icon {
        font-size: 16px;
    }

    /* 分页移动端 */
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }

    .page-item {
        min-width: 40px;
        height: 40px;
        font-size: 14px;
    }

    /* 标签页移动端 */
    .nav-tabs {
        border-bottom: none;
    }

    .nav-tab {
        padding: 10px 14px;
        font-size: 14px;
        border: none;
        background: transparent;
        border-bottom: 2px solid transparent;
    }

    .nav-tab.active {
        border-bottom-color: var(--accent-primary);
        color: var(--accent-primary);
    }

    /* 卡片网格移动端优化 */
    .card-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .card-grid-item {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
    }

    .nav-open 

    /* 关闭按钮样式 */
    

    .nav-open 

    /* 导航链接间距 */
    .nav-link {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    /* 列表项移动端 */
    .list-item {
        padding: 14px 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

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

    .list-item-content {
        flex: 1;
    }

    .list-item-title {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .list-item-subtitle {
        font-size: 12px;
        opacity: 0.7;
    }

    .list-item-action {
        flex-shrink: 0;
        margin-left: 12px;
    }

    /* 分割线移动端 */
    .divider {
        height: 1px;
        background: rgba(255, 255, 255, 0.06);
        margin: 16px 0;
    }

    /* 图标移动端优化 */
    .icon-box {
        width: 44px;
        height: 44px;
        font-size: 20px;
        border-radius: 10px;
    }

    .icon-box-sm {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .icon-box-lg {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    /* 优惠券/标签移动端 */
    .coupon {
        padding: 12px 14px;
        border-radius: 10px;
        font-size: 13px;
    }

    .coupon-value {
        font-size: 18px;
        font-weight: 700;
    }

    /* 时间线移动端 */
    .timeline {
        padding-left: 20px;
    }

    .timeline-item {
        position: relative;
        padding-bottom: 20px;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: -16px;
        top: 6px;
        width: 8px;
        height: 8px;
        border-radius: 50%;
    }

    .timeline-content {
        padding: 12px 14px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.03);
    }

    .timeline-date {
        font-size: 11px;
        opacity: 0.6;
        margin-bottom: 4px;
    }

    .timeline-title {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .timeline-desc {
        font-size: 12px;
        opacity: 0.8;
    }

    /* 步骤条移动端 */
    .stepper {
        flex-direction: column;
        gap: 0;
    }

    .stepper-item {
        position: relative;
        padding-left: 40px;
        padding-bottom: 24px;
    }

    .stepper-item::before {
        content: '';
        position: absolute;
        left: 14px;
        top: 30px;
        bottom: 0;
        width: 2px;
    }

    .stepper-item:last-child::before {
        display: none;
    }

    .stepper-marker {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .stepper-content {
        flex: 1;
    }

    /* 纸片/手风琴移动端 */
    .paper {
        padding: 16px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        margin-bottom: 12px;
    }

    .paper-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .paper-title {
        font-size: 15px;
        flex: 1;
    }

    .paper-toggle {
        font-size: 18px;
        opacity: 0.6;
    }

    .paper-content {
        margin-top: 12px;
        font-size: 14px;
        line-height: 1.6;
    }

    .paper.expanded .paper-toggle {
        transform: rotate(45deg);
    }

    /* 统计数字动画移动端 */
    .stat-number {
        font-size: 28px;
        font-weight: 700;
    }

    .stat-change {
        font-size: 12px;
        margin-top: 4px;
    }

    /* 波浪线移动端 */
    .wave-container {
        height: 60px;
    }

    /* 步骤条移动端 */
    .stepper-marker {
        position: absolute;
        left: 0;
        top: 0;
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .stepper-content {
        flex: 1;
    }

    /* 联系区域移动端 */
    .contact-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .contact-card {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
        padding: 24px 16px;
        text-align: center;
    }

    .contact-icon {
        font-size: 32px;
        margin-bottom: 12px;
    }

    .contact-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .contact-info {
        font-size: 14px;
        opacity: 0.8;
    }

    /* 联系方式项移动端 */
    .contact-info-item {
        flex-direction: column;
        gap: 8px;
        padding: 16px;
    }

    .contact-info-icon {
        font-size: 24px;
    }

    .contact-info-text {
        font-size: 14px;
        text-align: center;
    }

    .hero-subtitle {
        font-size: 14px;
        line-height: 1.6;
        max-width: 100%;
        word-wrap: break-word;
    }

    .hero-actions {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        justify-content: center;
        align-items: center;
    }

    .hero-stats {
        width: 100%;
        justify-content: center;
        gap: 24px;
    }

    .hero-stat {
        padding: 0;
        flex: 1;
        max-width: 120px;
        text-align: center;
    }

    /* Hero区域更多空间 */
    .hero {
        padding: 80px 0 40px;
        min-height: auto;
    }

    /* 行业网格移动端 */
    .industries-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .industry-card {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
        padding: 24px 16px;
        text-align: center;
    }

    .industry-icon {
        font-size: 36px;
        margin-bottom: 14px;
    }

    .industry-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .industry-desc {
        font-size: 13px;
        opacity: 0.7;
    }

    /* 流程网格移动端 */
    .flow-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .flow-step {
        flex: 0 0 calc(80vw - 24px);
        max-width: calc(80vw - 24px);
        scroll-snap-align: start;
        padding: 24px 12px;
        text-align: center;
    }

    /* 卡片图标更大更明显 */
    .capability-icon,
    .feature-icon,
    .solution-icon,
    .product-icon {
        font-size: 32px;
        margin-bottom: 14px;
    }

    /* 卡片列表样式优化 */
    .card-list {
        display: flex !important;
        flex-direction: column;
        gap: 12px;
    }

    .card-list-item {
        padding: 14px 16px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 10px;
        font-size: 14px;
    }

    /* 资源卡片网格移动端 */
    .resource-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .resource-card {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
        padding: 20px 16px;
    }

    .resource-card-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .resource-card-title {
        font-size: 15px;
        margin-bottom: 8px;
    }

    .resource-card-desc {
        font-size: 13px;
        opacity: 0.7;
    }

    /* Hero右侧Dashboard隐藏或简化 */
    .hero-visual {
        display: none !important;
    }

    /* 页面Hero */
    .page-hero {
        padding: 76px 0 32px !important;
    }

    .page-hero-inner {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 16px;
    }

    .page-hero-visual {
        display: none !important;
    }

    .page-hero-content {
        width: 100%;
        text-align: center;
    }

    /* 当page-hero直接包含container时（无inner包装） */
    .page-hero > .container {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .page-hero-title {
        font-size: clamp(24px, 7vw, 32px);
        line-height: 1.3;
    }

    /* 步骤网格移动端 */
    .steps-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .step-card {
        flex: 0 0 calc(80vw - 24px);
        max-width: calc(80vw - 24px);
        scroll-snap-align: start;
        padding: 24px 16px;
        text-align: center;
    }

    .step-number {
        width: 40px;
        height: 40px;
        margin: 0 auto 16px;
        font-size: 16px;
    }

    .step-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .step-desc {
        font-size: 13px;
        opacity: 0.7;
    }

    .page-hero-desc {
        font-size: 14px;
        line-height: 1.6;
    }

    /* Hero统计数字更突出 */
    .hero-stat-value {
        font-size: 28px;
        font-weight: 700;
    }

    .hero-stat-label {
        font-size: 12px;
        opacity: 0.8;
    }

    /* 英雄区域按钮全宽 */
    .hero-actions {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: 0;
    }

    .hero-actions .btn {
        width: 100%;
    }

    /* 搜索框移动端优化 */
    .search-box {
        position: relative;
        width: 100%;
        margin-bottom: 16px;
    }

    .search-input {
        width: 100%;
        padding: 14px 16px;
        padding-left: 44px;
        font-size: 15px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        min-height: 48px;
    }

    .search-icon {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 16px;
        opacity: 0.5;
    }

    /* 徽章移动端 */
    .badge {
        padding: 4px 10px;
        font-size: 11px;
        border-radius: 20px;
    }

    .badge-primary {
        background: var(--accent-primary);
    }

    .badge-success {
        background: var(--color-success);
    }

    .badge-warning {
        background: var(--color-warning);
    }

    .badge-error {
        background: var(--color-error);
    }

    /* 头像移动端 */
    .avatar {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .avatar-sm {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .avatar-lg {
        width: 56px;
        height: 56px;
        font-size: 20px;
    }

    /* 开关/切换按钮移动端 */
    .toggle-group {
        flex-direction: column;
        gap: 8px;
    }

    .toggle-item {
        width: 100%;
        padding: 14px 16px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.03);
        font-size: 14px;
    }

    .toggle-item.active {
        background: rgba(99, 102, 241, 0.2);
        border: 1px solid var(--accent-primary);
    }

    /* 下拉菜单移动端 */
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-top: 4px;
        padding: 8px;
        border-radius: 12px;
        min-width: 100%;
        z-index: 100;
    }

    .dropdown-item {
        padding: 12px 14px;
        font-size: 14px;
        border-radius: 8px;
    }

    .dropdown-item:active {
        background: rgba(255, 255, 255, 0.05);
    }

    /* 工具提示移动端 */
    .tooltip-text {
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        padding: 8px 12px;
        font-size: 12px;
        border-radius: 8px;
        white-space: nowrap;
        margin-bottom: 8px;
    }

    /* 进度条移动端 */
    .progress-bar {
        height: 8px;
        border-radius: 4px;
    }

    .progress-fill {
        height: 100%;
        border-radius: 4px;
    }

    .progress-label {
        font-size: 12px;
        margin-bottom: 4px;
    }

    /* 滑块移动端 */
    .slider-container {
        padding: 8px 0;
    }

    .slider-track {
        height: 6px;
        border-radius: 3px;
    }

    .slider-thumb {
        width: 20px;
        height: 20px;
    }

    /* 加载动画移动端 */
    .loading-spinner {
        width: 32px;
        height: 32px;
        border-width: 3px;
    }

    .loading-dots {
        gap: 6px;
    }

    .loading-dot {
        width: 8px;
        height: 8px;
    }

    /* 提示框/Toast移动端 */
    .toast {
        left: 16px;
        right: 16px;
        bottom: 100px;
        padding: 14px 16px;
        border-radius: 12px;
        font-size: 14px;
    }

    /* 警告框移动端 */
    .alert {
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 14px;
        margin-bottom: 12px;
    }

    .alert-success {
        background: rgba(34, 197, 94, 0.15);
        border: 1px solid rgba(34, 197, 94, 0.3);
    }

    .alert-warning {
        background: rgba(251, 146, 60, 0.15);
        border: 1px solid rgba(251, 146, 60, 0.3);
    }

    .alert-error {
        background: rgba(239, 68, 68, 0.15);
        border: 1px solid rgba(239, 68, 68, 0.3);
    }

    /* 标签移动端 */
    .tag-list {
        display: flex !important;
        flex-wrap: wrap;
        gap: 8px;
    }

    .tag-item {
        padding: 8px 14px;
        font-size: 13px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.05);
    }

    .tag-item.active {
        background: var(--accent-primary);
    }

    /* 容器 */
    .container {
        padding: 0 16px;
        max-width: 100%;
    }

    /* 统计网格移动端 */
    .stats-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 12px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .stats-grid::-webkit-scrollbar {
        display: none;
    }

    .stat-card {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 12px;
        padding: 20px 16px;
        text-align: center;
    }

    .stat-value {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 12px;
        opacity: 0.7;
    }

    /* 特性网格移动端 */
    .features-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 12px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .features-grid::-webkit-scrollbar {
        display: none;
    }

    /* 特性卡片样式 */
    .feature-card {
        text-align: center;
        padding: 24px 16px;
    }

    .feature-icon {
        font-size: 36px;
        margin-bottom: 16px;
    }

    /* 产品卡片样式 */
    .product-card {
        padding: 20px 16px;
    }

    .product-header {
        margin-bottom: 12px;
    }

    .product-icon {
        font-size: 32px;
    }

    /* 解决方案卡片 */
    .solution-card {
        padding: 20px 16px;
    }

    .solution-header {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }

    .solution-icon {
        font-size: 28px;
    }

    .solution-tag {
        margin-left: auto;
    }

    /* 通用网格横向滚动 - 现代移动端适配 */
    .products-grid,
    .capabilities-grid,
    .solutions-grid,
    .features-grid,
    .stats-grid,
    .steps-grid,
    .faq-grid,
    .pricing-grid,
    .comparison-grid,
    .testimonials-grid,
    .brands-grid,
    .industries-grid,
    .flow-grid,
    .dashboard-side,
    .contact-grid,
    .plans-grid,
    .resource-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        gap: 12px;
        padding-bottom: 16px;
        /* 滚动指示器渐变 */
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        /* 滚动条样式 */
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    /* 滚动条样式统一 */
    .products-grid::-webkit-scrollbar,
    .capabilities-grid::-webkit-scrollbar,
    .solutions-grid::-webkit-scrollbar,
    .features-grid::-webkit-scrollbar,
    .stats-grid::-webkit-scrollbar,
    .steps-grid::-webkit-scrollbar,
    .faq-grid::-webkit-scrollbar,
    .pricing-grid::-webkit-scrollbar,
    .comparison-grid::-webkit-scrollbar,
    .testimonials-grid::-webkit-scrollbar,
    .brands-grid::-webkit-scrollbar,
    .industries-grid::-webkit-scrollbar,
    .flow-grid::-webkit-scrollbar,
    .dashboard-side::-webkit-scrollbar,
    .contact-grid::-webkit-scrollbar,
    .plans-grid::-webkit-scrollbar,
    .resource-grid::-webkit-scrollbar {
        height: 4px;
    }

    /* 价格计划网格移动端 */
    .pricing-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .pricing-card {
        flex: 0 0 calc(85vw - 12px);
        max-width: calc(85vw - 12px);
        scroll-snap-align: start;
        padding: 24px 16px;
    }

    .plan-name {
        font-size: 16px;
        font-weight: 600;
    }

    .plan-price {
        font-size: 32px;
        font-weight: 700;
        margin: 16px 0 8px;
    }

    .plan-period {
        font-size: 12px;
        opacity: 0.7;
    }

    .plan-features {
        list-style: none;
        padding: 0;
        margin: 20px 0;
    }

    .plan-feature {
        padding: 8px 0;
        font-size: 13px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .plan-feature::before {
        content: '✓ ';
        color: var(--accent-primary);
        margin-right: 8px;
    }

    .products-grid::-webkit-scrollbar-track,
    .capabilities-grid::-webkit-scrollbar-track,
    .solutions-grid::-webkit-scrollbar-track,
    .features-grid::-webkit-scrollbar-track,
    .stats-grid::-webkit-scrollbar-track,
    .steps-grid::-webkit-scrollbar-track,
    .faq-grid::-webkit-scrollbar-track,
    .pricing-grid::-webkit-scrollbar-track,
    .comparison-grid::-webkit-scrollbar-track,
    .testimonials-grid::-webkit-scrollbar-track,
    .brands-grid::-webkit-scrollbar-track,
    .industries-grid::-webkit-scrollbar-track,
    .flow-grid::-webkit-scrollbar-track,
    .dashboard-side::-webkit-scrollbar-track,
    .contact-grid::-webkit-scrollbar-track,
    .plans-grid::-webkit-scrollbar-track,
    .resource-grid::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
    }

    .products-grid::-webkit-scrollbar-thumb,
    .capabilities-grid::-webkit-scrollbar-thumb,
    .solutions-grid::-webkit-scrollbar-thumb,
    .features-grid::-webkit-scrollbar-thumb,
    .stats-grid::-webkit-scrollbar-thumb,
    .steps-grid::-webkit-scrollbar-thumb,
    .faq-grid::-webkit-scrollbar-thumb,
    .pricing-grid::-webkit-scrollbar-thumb,
    .comparison-grid::-webkit-scrollbar-thumb,
    .testimonials-grid::-webkit-scrollbar-thumb,
    .brands-grid::-webkit-scrollbar-thumb,
    .industries-grid::-webkit-scrollbar-thumb,
    .flow-grid::-webkit-scrollbar-thumb,
    .dashboard-side::-webkit-scrollbar-thumb,
    .contact-grid::-webkit-scrollbar-thumb,
    .plans-grid::-webkit-scrollbar-thumb,
    .resource-grid::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
        border-radius: 2px;
    }

    /* 卡片横向滚动 - 使用视口单位 */
    .product-card,
    .capability-card,
    .solution-card,
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .industry-card,
    .flow-step,
    .dashboard-panel,
    .plan-card,
    .resource-card {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        margin: 0;
        scroll-snap-align: start;
        padding: 20px 16px;
    }

    /* 卡片标题样式优化 */
    .capability-title,
    .solution-title,
    .feature-title,
    .product-title,
    .plan-name {
        font-size: 16px;
        line-height: 1.4;
    }

    /* 卡片描述样式优化 */
    .capability-desc,
    .solution-desc,
    .feature-desc,
    .product-desc,
    .plan-desc {
        font-size: 13px;
        line-height: 1.5;
    }

    /* 图片优化 */
    img {
        max-width: 100%;
        height: auto;
    }

    /* 比较表格移动端 */
    .comparison-table {
        font-size: 12px;
    }

    .comparison-table th {
        font-size: 10px;
        padding: 8px 6px;
        background: rgba(255, 255, 255, 0.03);
    }

    .comparison-table td {
        padding: 8px 6px;
    }

    .comparison-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        gap: 12px;
        padding-bottom: 12px;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        scroll-snap-type: x mandatory;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .comparison-card {
        flex: 0 0 calc(90vw - 24px);
        max-width: calc(90vw - 24px);
        scroll-snap-align: start;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 12px;
        padding: 16px;
    }

    /* 徽章标签优化 */
    .badge,
    .hero-badge,
    .solution-tag,
    .popular-badge {
        -webkit-tap-highlight-color: transparent;
    }

    /* 价格卡片高亮 */
    .pricing-card.popular,
    .plan-card.popular {
        border: 2px solid var(--accent-primary);
        position: relative;
    }

    .pricing-card.popular::before,
    .plan-card.popular::before {
        content: '推荐';
        position: absolute;
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--accent-primary);
        color: white;
        font-size: 10px;
        padding: 4px 12px;
        border-radius: 10px;
        white-space: nowrap;
    }

    /* 表单项优化 */
    .form-row {
        flex-direction: column;
        gap: 16px;
    }

    .form-group {
        width: 100%;
    }

    /* 搜索框移动端优化 */
    .search-input {
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 12px;
        min-height: 48px;
    }

    /* 标签页移动端 */
    .tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-bottom: 8px;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 14px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* 客户评价卡片移动端 */
    .testimonial-card {
        padding: 20px 16px;
    }

    .testimonial-content {
        font-size: 14px;
        line-height: 1.6;
    }

    .testimonial-author {
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .testimonial-name {
        font-size: 14px;
        font-weight: 600;
    }

    .testimonial-title {
        font-size: 12px;
        opacity: 0.7;
    }

    /* 品牌Logo网格移动端 */
    .brands-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 20px;
        padding-bottom: 12px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .brand-logo {
        flex: 0 0 100px;
        height: 40px;
        scroll-snap-align: start;
        opacity: 0.5;
        filter: grayscale(100%);
        transition: all 0.3s;
    }

    /* 流程步骤移动端 */
    .flow-step {
        text-align: center;
        padding: 20px 12px;
    }

    .step-number {
        width: 36px;
        height: 36px;
        margin: 0 auto 12px;
    }

    /* 客户评价网格移动端 */
    .testimonials-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 12px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    /* 对话框/模态框移动端优化 */
    .modal-content {
        width: calc(100% - 32px);
        margin: 16px;
        padding: 24px 20px;
        border-radius: 16px;
    }

    /* 折叠面板移动端 */
    .accordion-header {
        padding: 16px;
        font-size: 15px;
    }

    .accordion-content {
        padding: 0 16px 16px;
        font-size: 14px;
    }

    /* 标签页移动端 */
    .tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-bottom: 8px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 14px;
        white-space: nowrap;
    }

    /* 进度条移动端 */
    .progress-bar {
        height: 8px;
        border-radius: 4px;
    }

    /* 工具提示移动端 */
    .tooltip {
        display: none;
    }

    /* 骨架屏移动端优化 */
    .skeleton {
        border-radius: 8px;
    }

    /* 徽章更多空间 */
    .hero-badge {
        margin-bottom: 16px;
    }

    /* 间距一致性 */
    .section-header {
        padding: 0 8px;
    }

    /* 网格最后一项边距 */
    .products-grid > *:last-child,
    .capabilities-grid > *:last-child,
    .solutions-grid > *:last-child,
    .features-grid > *:last-child,
    .industries-grid > *:last-child,
    .flow-grid > *:last-child,
    .plans-grid > *:last-child,
    .resource-grid > *:last-child {
        margin-right: 16px;
    }

    /* 卡片触摸反馈优化 */
    .product-card,
    .capability-card,
    .solution-card,
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .industry-card,
    .flow-step,
    .dashboard-panel,
    .plan-card,
    .resource-card,
    .help-category {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        cursor: pointer;
    }

    /* 卡片按下效果 */
    .product-card:active,
    .capability-card:active,
    .solution-card:active,
    .feature-card:active,
    .pricing-card:active,
    .testimonial-card:active,
    .industry-card:active,
    .flow-step:active,
    .plan-card:active,
    .resource-card:active,
    .help-category:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    /* 按钮触摸反馈 */
    .btn {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        cursor: pointer;
        transition: transform 0.15s ease, opacity 0.15s ease;
    }

    .btn:active {
        transform: scale(0.96);
    }

    /* 链接触摸反馈 */
    a {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    a:active {
        opacity: 0.7;
    }

    /* Dashboard页面优化 */
    .dashboard-main {
        background: rgba(255, 255, 255, 0.03);
        border-radius: 16px;
        padding: 16px;
        margin: 0 -4px;
    }

    .dashboard-main-header {
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
    }

    .dashboard-main-title {
        font-size: 14px;
        width: 100%;
    }

    .dashboard-panel-badge {
        font-size: 10px;
        padding: 4px 8px;
    }

    .dashboard-main-stat {
        background: rgba(255, 255, 255, 0.03);
        border-radius: 12px;
        padding: 14px 12px;
    }

    .dashboard-main-stat-label {
        font-size: 11px;
        opacity: 0.7;
    }

    .dashboard-main-stat-value {
        font-size: 20px;
        margin: 4px 0;
    }

    .dashboard-main-stat-change {
        font-size: 10px;
    }

    /* Dashboard面板优化 */
    .dashboard-panel {
        background: rgba(255, 255, 255, 0.03);
        border-radius: 12px;
        padding: 14px;
    }

    .dashboard-panel-title {
        font-size: 13px;
        margin-bottom: 12px;
    }

    /* API状态列表 */
    .api-item {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

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

    .api-name {
        font-size: 13px;
    }

    /* 排行榜 */
    .rank-item {
        padding: 10px 0;
    }

    .rank-name {
        font-size: 13px;
    }

    .rank-dept {
        font-size: 11px;
    }

    .rank-value {
        font-size: 13px;
    }

    /* 日志列表 */
    .log-item {
        padding: 8px 0;
        font-size: 11px;
    }

    /* 表格样式优化 */
    .pricing-table,
    .comparison-table {
        font-size: 12px;
    }

    .pricing-table th,
    .comparison-table th {
        font-size: 11px;
        padding: 10px 8px;
    }

    .pricing-table td,
    .comparison-table td {
        padding: 10px 8px;
    }

    /* 表单优化 */
    .form-group {
        margin-bottom: 16px;
    }

    .form-label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .form-input,
    .form-textarea,
    .form-select {
        padding: 12px 14px;
        font-size: 14px;
        border-radius: 10px;
        min-height: 48px;
    }

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

    /* 解决方案标签优化 */
    .solution-tag {
        font-size: 10px;
        padding: 3px 8px;
    }

    .solution-header {
        margin-bottom: 12px;
    }

    .solution-icon {
        font-size: 24px;
    }

    /* 指标展示优化 */
    .solution-metric-value {
        font-size: 20px;
    }

    .solution-metric-label {
        font-size: 11px;
        opacity: 0.7;
    }

    /* 能力卡片图标 */
    .capability-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    /* 特性卡片优化 */
    .feature-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    /* 品牌Logo网格 */
    .brands-grid {
        gap: 20px;
    }

    .brand-logo {
        height: 32px;
        opacity: 0.6;
    }

    /* 行业卡片 */
    .industry-icon {
        font-size: 24px;
        margin-bottom: 10px;
    }

    /* 步骤卡片 */
    .step-number {
        width: 32px;
        height: 32px;
        font-size: 14px;
        margin-bottom: 12px;
    }

    .step-title {
        font-size: 15px;
    }

    .step-desc {
        font-size: 13px;
    }

    /* 计划卡片 */
    .plan-price {
        font-size: 28px;
        margin: 12px 0;
    }

    .plan-period {
        font-size: 12px;
    }

    .plan-features {
        margin: 16px 0;
    }

    .plan-feature {
        font-size: 13px;
        padding: 6px 0;
    }

    /* 推荐计划高亮 */
    .pricing-card.popular,
    .plan-card.popular {
        border: 2px solid var(--accent-primary);
    }

    .popular-badge {
        font-size: 10px;
        padding: 4px 10px;
    }

    /* 按钮优化 - 更大触摸区域 */
    .btn {
        padding: 14px 24px;
        font-size: 14px;
        border-radius: 10px;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-lg {
        padding: 16px 28px;
        font-size: 15px;
        min-height: 52px;
    }

    /* FAQ项目可折叠 */
    .faq-item {
        padding: 8px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 14px;
        padding: 14px 16px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 10px;
        cursor: pointer;
        gap: 12px;
    }

    .faq-question::after {
        content: '+';
        font-size: 18px;
        font-weight: 300;
        opacity: 0.6;
        transition: transform 0.3s;
    }

    .faq-item.expanded .faq-question::after {
        transform: rotate(45deg);
    }

    .faq-answer {
        font-size: 13px;
        line-height: 1.6;
        padding: 0 16px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }

    .faq-item.expanded .faq-answer {
        max-height: 200px;
        opacity: 1;
        padding: 12px 16px;
    }

    .faq-question-icon {
        flex-shrink: 0;
    }

    /* Section标题样式优化 */
    .section-eyebrow {
        font-size: 11px;
        letter-spacing: 1.5px;
    }

    .section-title {
        font-size: 22px;
        line-height: 1.3;
        margin: 8px 0;
    }

    .section-desc {
        font-size: 14px;
        line-height: 1.5;
        opacity: 0.8;
    }

    /* Hero按钮全宽 */
    .hero-actions .btn {
        width: 100%;
        max-width: 320px;
    }

    /* 仪表板大屏横向滚动 */
    .dashboard-main {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .dashboard-main::-webkit-scrollbar {
        height: 4px;
    }

    .dashboard-main::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
    }

    .dashboard-main::-webkit-scrollbar-thumb {
        background: var(--accent-primary);
    }

    .dashboard-main-grid {
        display: flex;
        flex-wrap: nowrap;
        gap: 12px;
        min-width: max-content;
    }

    .dashboard-main-stat {
        flex: 0 0 130px;
        max-width: 130px;
    }

    .chart-area {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .trend-chart {
        min-width: 100%;
    }

    /* 表格横向滚动 */
    .table-wrapper,
    .table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* 帮助类别 */
    .help-categories {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        gap: 12px;
        padding-bottom: 16px;
        margin: 0 -16px;
        padding-left: 16px;
        padding-right: 16px;
        scroll-snap-type: x mandatory;
        mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12px, black calc(100% - 12px), transparent 100%);
    }

    .help-category {
        flex: 0 0 calc(85vw - 24px);
        max-width: calc(85vw - 24px);
        scroll-snap-align: start;
        padding: 20px 16px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 12px;
    }

    .help-category-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .help-category-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .help-category-desc {
        font-size: 12px;
        opacity: 0.7;
    }

    /* 底部Tab栏 - 横向排列 */
    .bottom-tab-bar {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10001;
        padding: 8px 0;
        padding-bottom: max(8px, env(safe-area-inset-bottom));
        background: rgba(10, 12, 18, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .tab-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 6px 2px;
        font-size: 11px;
        color: rgba(255, 255, 255, 0.6);
        transition: color 0.2s;
    }

    .tab-item.active {
        color: var(--accent-primary);
    }

    .tab-icon {
        font-size: 20px;
        margin-bottom: 2px;
    }

    .tab-label {
        font-size: 10px;
    }

    /* Tab栏占位 */
    .tab-bar-spacer {
        display: block !important;
        height: calc(56px + env(safe-area-inset-bottom));
    }

    /* Footer移动端优化 - 品牌占顶行，4列横向排列 */
    .footer {
        padding: 24px 0 calc(60px + env(safe-area-inset-bottom));
    }

    .footer-grid {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: auto auto;
        gap: 12px 8px;
    }

    /* 品牌div占满第一行，横向flex布局 */
    .footer-grid > div:nth-child(1) {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
    }

    .footer-grid > div:nth-child(1) .logo {
        flex-shrink: 0;
    }

    .footer-grid > div:nth-child(1) .footer-brand-desc {
        flex: 1;
        font-size: 11px;
        line-height: 1.4;
        opacity: 0.7;
        min-width: 80px;
    }

    .footer-grid > div:nth-child(1) .footer-contact {
        display: flex;
        flex-direction: row;
        gap: 12px;
        flex-shrink: 0;
    }

    .footer-grid > div:nth-child(1) .footer-contact-item {
        font-size: 11px;
        gap: 4px;
    }

    /* 后4个div (核心服务、解决方案、关于秉空、支持帮助) 横向排列在第二行 */
    .footer-grid > div:nth-child(2),
    .footer-grid > div:nth-child(3),
    .footer-grid > div:nth-child(4),
    .footer-grid > div:nth-child(5) {
        display: block;
        min-width: 0;
    }

    .footer-grid > div:nth-child(2) .footer-links,
    .footer-grid > div:nth-child(3) .footer-links,
    .footer-grid > div:nth-child(4) .footer-links,
    .footer-grid > div:nth-child(5) .footer-links {
        display: flex;
        flex-direction: column;
    }

    .footer-grid > div:nth-child(2) .footer-title,
    .footer-grid > div:nth-child(3) .footer-title,
    .footer-grid > div:nth-child(4) .footer-title,
    .footer-grid > div:nth-child(5) .footer-title {
        font-size: 11px;
        margin-bottom: 8px;
        opacity: 0.9;
    }

    .footer-grid > div:nth-child(2) .footer-link,
    .footer-grid > div:nth-child(3) .footer-link,
    .footer-grid > div:nth-child(4) .footer-link,
    .footer-grid > div:nth-child(5) .footer-link {
        font-size: 11px;
        padding: 3px 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .footer-bottom {
        margin-top: 20px;
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        position: relative;
        z-index: 1;
    }

    .footer-bottom-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        position: relative;
    }

    .footer-copyright {
        font-size: 11px;
        opacity: 0.7;
        text-align: center;
    }

    .footer-legal-links {
        display: flex;
        gap: 8px;
    }

    .footer-legal-link {
        font-size: 10px;
        opacity: 0.5;
    }

    /* Section间距 */
    .section {
        padding: 40px 0;
    }

    .section-alt {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 24px;
        text-align: center;
    }

    .section-title {
        font-size: 22px;
    }

    .section-desc {
        font-size: 13px;
    }

    /* CTA优化 */
    .cta {
        margin: 0 16px;
        padding: 40px 24px;
        border-radius: 20px;
        background: linear-gradient(135deg, var(--accent-primary), #6366f1);
        text-align: center;
    }

    .cta-title {
        font-size: 22px;
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .cta-desc {
        font-size: 14px;
        opacity: 0.9;
        margin-bottom: 24px;
    }

    .cta .btn-white {
        background: white;
        color: var(--accent-primary);
        font-weight: 600;
    }

    /* 按钮 */
    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }

    /* Hero统计数字 */
    .hero-stat-value {
        font-size: 24px;
    }

    .hero-stat-label {
        font-size: 11px;
    }

    /* 解决方案指标 */
    .solution-metrics {
        flex-direction: row;
        gap: 16px;
    }

    .solution-metric {
        flex: 1;
        text-align: center;
    }

    /* Dashboard浮动卡片移动端隐藏 */
    .dashboard-float-1,
    .dashboard-float-2 {
        display: none !important;
    }
}

/* ============================================
   小屏幕适配 - 480px及以下
   ============================================ */
@media (max-width: 480px) {
    /* 卡片更小宽度 - 使用更窄的视口比例 */
    .product-card,
    .capability-card,
    .solution-card,
    .feature-card,
    .pricing-card,
    .testimonial-card,
    .industry-card,
    .flow-step,
    .dashboard-panel,
    .plan-card,
    .resource-card {
        flex: 0 0 calc(88vw - 24px);
        max-width: calc(88vw - 24px);
        scroll-snap-align: start;
    }

    .dashboard-main-stat {
        flex: 0 0 110px;
        max-width: 110px;
    }

    .help-category {
        flex: 0 0 calc(88vw - 24px);
        max-width: calc(88vw - 24px);
        padding: 16px 12px;
    }

    /* 帮助类别滚动遮罩 */
    .help-categories {
        mask-image: linear-gradient(to right, transparent 0%, black 8px, black calc(100% - 8px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8px, black calc(100% - 8px), transparent 100%);
    }

    /* 更紧凑的间距 */
    .hero {
        padding: 68px 0 24px !important;
    }

    .hero-title {
        font-size: clamp(20px, 8vw, 28px);
    }

    .hero-subtitle {
        font-size: 13px;
    }

    .hero-badge {
        font-size: 10px;
        padding: 5px 10px;
    }

    .hero-stats {
        gap: 16px;
    }

    .section {
        padding: 32px 0;
    }

    .section-alt {
        padding: 32px 0;
    }

    .section-title {
        font-size: 20px;
    }

    .footer-grid {
        gap: 16px;
    }

    .cta {
        padding: 28px 16px;
    }

    .cta-title {
        font-size: 18px;
    }

    .cta-desc {
        font-size: 13px;
    }

    /* 按钮更小尺寸 */
    .btn {
        padding: 12px 20px;
        font-size: 13px;
        min-height: 44px;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 14px;
        min-height: 48px;
    }

    /* Tab栏更小 */
    .tab-icon {
        font-size: 18px;
    }

    .tab-label {
        font-size: 9px;
    }

    /* Dashboard统计更小 */
    .dashboard-main-stat {
        flex: 0 0 100px;
        max-width: 100px;
        padding: 10px 8px;
    }

    .dashboard-main-stat-value {
        font-size: 18px;
    }

    /* 解决方案指标 */
    .solution-metric-value {
        font-size: 18px;
    }

    /* FAQ */
    .faq-question {
        font-size: 13px;
        padding: 12px 14px;
    }
}

/* ============================================
   触摸设备优化
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .capability-card:hover,
    .solution-card:hover,
    .product-card:hover,
    .feature-card:hover,
    .pricing-card:hover,
    .testimonial-card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }

    a:hover {
        color: inherit;
    }
}

/* ============================================
   桌面端隐藏移动端元素
   ============================================ */
@media (min-width: 769px) {
    .bottom-tab-bar {
        display: none !important;
    }

    .tab-bar-spacer {
        display: none !important;
    }

    
}

.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}