/* Apple Style CSS - Modern, Clean, Minimalist */

/* Import Apple's SF Pro Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Light Blue Color Palette */
:root {
    --primary-blue: #4A90E2;
    --light-blue: #87CEEB;
    --pale-blue: #E6F3FF;
    --sky-blue: #B8E0FF;
    --deep-blue: #2C5F8A;
    --blue-gray: #6B8CAE;
    --soft-white: #FAFBFC;
    --pure-white: #FFFFFF;
    --light-gray: #F0F4F8;
    --medium-gray: #8B9DC3;
    --dark-gray: #2D3748;
    --accent-blue: #5BA7F7;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--soft-white);
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Language Toggle - Apple Style */
.language-toggle {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 1000;
    display: flex;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 4px;
    box-shadow: var(--shadow-md);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: transparent;
    color: var(--medium-gray);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn.active {
    background: var(--primary-blue);
    color: var(--pure-white);
}

.lang-btn:hover:not(.active) {
    background: var(--pale-blue);
    color: var(--deep-blue);
}

/* Header - Apple Style */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    /* Reserve space so language toggle doesn't overlap nav on desktop */
    padding-right: 96px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 32px;
    width: auto;
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--deep-blue);
    letter-spacing: -0.5px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-size: 16px;
    font-weight: 400;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav a:hover {
    background: var(--pale-blue);
    color: var(--primary-blue);
}

/* Navigation Styles - Clean and Professional */
.nav ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav li a {
    font-weight: 500;
    font-size: 15px;
    color: var(--dark-gray);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
}

.nav li a:hover {
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.08);
    transform: translateY(-1px);
}

.nav li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav li a:hover::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--dark-gray);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.mobile-menu-toggle:hover {
    background: var(--pale-blue);
}

/* Hero Carousel - Apple Style */
.hero-carousel {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 60px;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.8) 0%, rgba(135, 206, 235, 0.8) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    color: var(--pure-white);
    max-width: 600px;
    padding: var(--spacing-xl);
}

.slide-content h2 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    letter-spacing: -2px;
}

.slide-content h3 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: -0.5px;
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    opacity: 0.9;
    font-weight: 400;
}

.slide-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Apple Style Buttons */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    letter-spacing: -0.2px;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--pure-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 3;
}

.carousel-prev,
.carousel-next {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--pure-white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(20px);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

.carousel-prev i,
.carousel-next i {
    font-size: 16px;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 3;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.2s ease;
}

.indicator.active,
.indicator:hover {
    background: var(--pure-white);
    transform: scale(1.2);
}

/* Installment Business Navigation */
.installment-nav {
    position: absolute;
    top: 50%;
    right: var(--spacing-xl);
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    max-width: 380px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.installment-nav-content {
    text-align: center;
}

.installment-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.installment-subtitle {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.installment-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.installment-sections {
    text-align: left;
}

.installment-section {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(74, 144, 226, 0.1);
}

.installment-section:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 50%;
    margin-right: var(--spacing-xs);
}

.section-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.section-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(74, 144, 226, 0.05);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--light-blue);
    transition: all 0.2s ease;
}

.section-item:hover {
    background: rgba(74, 144, 226, 0.1);
    border-left-color: var(--primary-blue);
    transform: translateX(2px);
}

.item-title {
    font-size: 0.85rem;
    color: var(--dark-gray);
    font-weight: 500;
    line-height: 1.4;
}

/* SPA Navigation Styles */
.nav-link.active {
    color: var(--primary-blue) !important;
    font-weight: 600;
    background: rgba(74, 144, 226, 0.10);
    border-radius: var(--radius-md);
}

/* Content Section Transitions */
.content-section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.content-section.hidden {
    display: none;
}

/* Mobile Navigation (H5) - collapse into overlay menu */
@media (max-width: 768px) {
    /* 移动端：取消整体缩放，改为局部尺寸调整，避免布局错位 */
    .business-model {
        transform: none;
    }
    /* Show hamburger button on mobile */
    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
    }

    /* Hide nav by default, turn into fixed dropdown under header */
    .nav {
        display: none;
        position: fixed;
        top: 60px; /* matches header height */
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        z-index: 1100; /* above language toggle */
    }

    .nav.active {
        display: block;
    }

    .nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .nav li a {
        width: 100%;
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Reposition language toggle to avoid header overlap on mobile */
    .language-toggle {
        top: 68px; /* below fixed header */
        right: var(--spacing-sm);
        z-index: 900; /* keep under nav overlay */
    }
}




/* Installment Section Styles */
.installment-section {
    min-height: 100vh;
    background: #f8f9fa;
    padding: 2rem 0;
}

.installment-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.installment-hero-section {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    border-radius: 20px;
    margin-bottom: 4rem;
}

.installment-hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.installment-hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.installment-section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c5aa0;
    position: relative;
}

.installment-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #50c878);
    border-radius: 2px;
}

.installment-business-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.installment-flow-step {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.installment-flow-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.installment-step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4a90e2, #357abd);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.installment-step-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #2c5aa0;
}

.installment-step-description {
    color: #666;
    line-height: 1.6;
}

.installment-zero-risk {
    background: var(--pure-white);
    color: var(--deep-blue);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    text-align: left;
    border: 1px solid rgba(74, 144, 226, 0.12);
    box-shadow: var(--shadow-sm);
}

.installment-zero-risk-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--deep-blue);
}

.installment-risk-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.installment-benefit-card {
    background: var(--pure-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(74, 144, 226, 0.12);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.installment-benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.installment-benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(74,144,226,0.18), rgba(74,144,226,0.08));
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.installment-benefit-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-blue);
}

.installment-benefit-description {
    color: var(--blue-gray);
    line-height: 1.6;
}

.installment-advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.installment-advantage-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.installment-advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.installment-advantage-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #2c5aa0;
}

.installment-advantage-description {
    color: #666;
    line-height: 1.6;
}

.installment-global-cooperation {
    background: var(--pure-white);
    color: var(--deep-blue);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: left;
    border: 1px solid rgba(74, 144, 226, 0.12);
    box-shadow: var(--shadow-sm);
}

.installment-cooperation-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.installment-cooperation-description {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--blue-gray);
}

.installment-support-list {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.installment-support-item {
    background: var(--pure-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(74, 144, 226, 0.12);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.installment-support-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.installment-support-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(74,144,226,0.18), rgba(74,144,226,0.08));
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.installment-support-text {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Installment hero media image */
.installment-hero-media {
    margin: var(--spacing-lg) 0 var(--spacing-xl);
}

.installment-hero-media img {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* 对称栅格：平板 2 列，桌面 4 列 */
@media (min-width: 768px) {
    .installment-support-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .installment-support-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile Responsiveness for Installment Section */
@media (max-width: 768px) {
    .installment-hero-title {
        font-size: 2rem;
    }

    .installment-hero-subtitle {
        font-size: 1.1rem;
    }

    .installment-section-title {
        font-size: 2rem;
    }

    .installment-business-flow {
        grid-template-columns: 1fr;
    }

    .installment-advantage-grid {
        grid-template-columns: 1fr;
    }

    .installment-zero-risk,
    .installment-global-cooperation {
        padding: 2rem;
    }

    .installment-zero-risk-title,
    .installment-cooperation-title {
        font-size: 2rem;
    }
}

/* Risk System Section - Light Gray Style */
.risk-system {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.risk-system h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.risk-system .installment-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.installment-section {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
}

.section-title {
    font-size: 0.9rem;
}

.item-title {
    font-size: 0.8rem;
}

.section-item {
    padding: 6px var(--spacing-xs);
}

/* Services Section - Tech Empowerment with background */
.services {
    padding: var(--spacing-xxl) 0;
    position: relative;
    background: url('bg/keji.png') center/cover no-repeat;
    overflow: hidden;
}
.services::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(12,27,55,0.25), rgba(12,27,55,0.18));
}
.services .container,
.services * { position: relative; z-index: 1; }

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.services .installment-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    color: var(--medium-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: rgba(255,255,255,0.68);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 144, 226, 0.1);
    backdrop-filter: blur(3px);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--light-blue);
}

.service-card .service-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-blue);
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--blue-gray);
    line-height: 1.6;
    font-size: 16px;
}

/* Advantage Cards - shared grid and card styles */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.advantage-card {
    background: var(--pure-white);
    color: var(--deep-blue);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(74, 144, 226, 0.1);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--light-blue);
}

.advantage-card i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.3px;
}

.advantage-card p {
    color: var(--blue-gray);
    line-height: 1.6;
}

/* About Section - layout reused by Innovation */
.about {
    padding: var(--spacing-xxl) 0;
    position: relative;
    background: url('bg/about.png') center/cover no-repeat;
    overflow: hidden;
}
.about::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12,27,55,0.35), rgba(12,27,55,0.25));
}
.about * { position: relative; z-index: 1; }
.about-text h2 { color: var(--deep-blue); }
.about-text p { color: rgba(12,27,55,0.92); }
.about-features .feature-text { color: var(--deep-blue); }
.about-image img { box-shadow: var(--shadow-xl); }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--blue-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Responsive About layout */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Business Model Section - restored styles */
.business-model {
    padding: var(--spacing-xxl) 0;
    /* 浅天蓝泼墨底色：极轻的水彩晕染 */
    background:
        radial-gradient(140px 140px at 12% 22%, rgba(191,228,255,0.30) 0%, rgba(191,228,255,0.0) 70%),
        radial-gradient(180px 180px at 80% 18%, rgba(159,208,255,0.25) 0%, rgba(159,208,255,0.0) 72%),
        radial-gradient(160px 160px at 20% 80%, rgba(191,228,255,0.24) 0%, rgba(191,228,255,0.0) 70%),
        radial-gradient(120px 120px at 62% 56%, rgba(159,208,255,0.20) 0%, rgba(159,208,255,0.0) 70%),
        #f6fbff;
    position: relative;
    overflow: hidden; /* 容器内的浮动背景不溢出 */
    /* 箭头配色变量：为每条箭头提供不同颜色 */
    --color-contract: #1e88e5;         /* 客户 → 公司（蓝） */
    --color-company-store: #43a047;    /* 公司 → 商店（绿） */
    --color-price: #fb8c00;            /* 市场价格箭头（橙） */
    --color-downpayment: #e53935;      /* 首付箭头（红） */
    --pattern-blue-light: #cfe7ff;     /* 浅蓝印花主色 */
    --pattern-blue-accent: #a8c8ff;    /* 浅蓝加强色 */
    --sky-blue-1: #bfe4ff;             /* 天蓝色层1 */
    --sky-blue-2: #9fd0ff;             /* 天蓝色层2 */
    /* 卡片撞色强调 */
    --card-accent-1: #5cc9a8;  /* 客户：松石绿 */
    --card-accent-2: #5aa3ff;  /* 商店：亮蓝色 */
    --card-accent-3: #ff9f43;  /* 公司小卡：橙色 */
    --card-accent-4: #a47cf3;  /* 公司大卡：紫色 */
}

.business-model h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xxl);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.business-model h2::after {
    content: "";
    display: block;
    width: 64px;
    height: 3px;
    margin: var(--spacing-sm) auto 0;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    opacity: 0.85;
}

.business-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.flow-step {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 144, 226, 0.1);
}

.flow-step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--light-blue);
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: var(--pure-white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.flow-step .step-icon {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.flow-step h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-blue);
}

.flow-step p {
    font-size: 14px;
    color: var(--blue-gray);
}

.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    font-size: 1.5rem;
}

/* Zero Risk Section - restored styles */
.zero-risk {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--deep-blue) 100%);
    color: var(--pure-white);
}

/* =========================
   Business Model - Image Layout (two-column)
   2×2 等宽卡片布局
   ========================= */
.business-model .business-flow {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr; /* 略缩小卡片宽度 */
    grid-template-rows: auto auto;
    grid-template-areas:
        "left-top right-big"
        "left-bottom right-big";
    --col-gap: 300px; /* 控制两列之间的水平间距 */
    --row-gap: 160px; /* 控制两行之间的垂直间距 */
    gap: var(--spacing-xl);
    row-gap: var(--row-gap); /* 给水平箭头更多垂直空间 */
    column-gap: var(--col-gap); /* 增大两列间距，避免文字覆盖卡片 */
    position: relative;
    z-index: 1; /* 确保内容在浮动背景之上 */
}

/* 第三层：天蓝色印花（更轻且缓慢漂移） */
.business-model .business-flow::before {
    content: "";
    position: absolute;
    inset: -24px -24px;
    pointer-events: none;
    opacity: 0.05;
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 24 24'%3E%3Cpath d='M5 4h14l-2 16H7L5 4z' fill='%23d8ecff'/%3E%3Cpath d='M10 9h4v6h-4z' fill='%23b8dcff'/%3E%3C/svg%3E"); /* 简化袋形图标，呼应商业主题 */
    background-repeat: repeat;
    background-size: 150px 150px;
    background-position: 30px -30px;
    animation: patternDriftSky 56s linear infinite;
}

/* 浅蓝印花浮动背景（不遮挡内容） */
.business-model::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.08; /* 很浅的视觉效果 */
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 24 24'%3E%3Crect x='7' y='2' width='10' height='20' rx='2' ry='2' fill='%23d8ecff'/%3E%3Ccircle cx='12' cy='19' r='1.5' fill='%23b8dcff'/%3E%3C/svg%3E"); /* 简化的手机图标 */
    background-repeat: repeat;
    background-size: 120px 120px;
    background-position: 0 0;
    animation: patternDrift 48s linear infinite;
}
.business-model::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.06; /* 第二层更轻 */
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 24 24'%3E%3Cpath d='M2 12h18 M14 8l6 4-6 4' fill='none' stroke='%23d8ecff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); /* 箭头图标 */
    background-repeat: repeat;
    background-size: 160px 160px;
    background-position: 60px 30px;
    animation: patternDriftReverse 60s linear infinite;
}

@keyframes patternDrift {
    0% { background-position: 0 0; }
    100% { background-position: 300px -300px; }
}
@keyframes patternDriftReverse {
    0% { background-position: 60px 30px; }
    100% { background-position: -240px 240px; }
}

@keyframes patternDriftSky {
    0% { background-position: 30px -30px; }
    100% { background-position: -270px 270px; }
}

/* 隐藏原始字符箭头，改用连线表现 */
.business-model .flow-arrow { display: none; }

/* 1号箭头：客户 → 评估/下一步（竖向向下） */
.business-model .business-flow .flow-arrow:nth-of-type(1) {
    transform: rotate(90deg);
    left: 18%;
    top: 46%;
}

/* 2号箭头：左下商店 → 右侧公司（横向向右） */
.business-model .business-flow .flow-arrow:nth-of-type(2) {
    left: 42%;
    top: 68%;
}

/* 3号箭头：从商店回到公司（横向向右，保持指向一致） */
.business-model .business-flow .flow-arrow:nth-of-type(3) {
    left: 70%;
    top: 68%;
}

/* Card alignment tweaks */
.business-model .flow-step {
    text-align: left;
    padding: var(--spacing-lg);
    min-height: 220px;
    position: relative;
    transform: scale(0.95); /* 等比例缩小卡片 */
    transform-origin: center;
    border-left: 5px solid var(--card-accent, var(--primary-blue));
}

.business-model .flow-step:hover {
    transform: scale(0.95) translateY(-2px);
}

.business-model .flow-step .step-icon {
    display: none;
}

/* Place cards into the new grid areas */
.business-model .flow-step.step-1 { grid-area: left-top;    --card-accent: var(--card-accent-1); }
.business-model .flow-step.step-2 { grid-area: left-bottom; --card-accent: var(--card-accent-2); }
.business-model .flow-step.step-4 { grid-area: right-big;   --card-accent: var(--card-accent-4); }
.business-model .flow-step.step-3 {
    /* 现在将卡片3放到右侧（原卡片2的位置）作为小卡片 */
    position: absolute;
    top: 18%;
    left: 54%;
    width: 32%;
    min-height: 160px;
    background: var(--pure-white);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    padding: var(--spacing-lg);
    display: block;
    --card-accent: var(--card-accent-3);
}

/* 微调左右列位置：左列再向左、公司卡片再向右 */
.business-model .flow-step.step-1,
.business-model .flow-step.step-2 {
    margin-left: -16px;
}
.business-model .flow-step.step-4 {
    margin-left: 16px;
}

/* Background images from core */
.business-model .flow-step.step-1 {
    /* 客户卡片：左右并列两张示意图（更清晰） */
    background-image:
        url('core/image1.png'),
        url('core/image.png'),
        linear-gradient(rgba(255,255,255,0.8), rgba(255,255,255,0.8));
    background-repeat: no-repeat, no-repeat, no-repeat;
    background-position: left 20px center, right 20px center, center;
    background-size: 38% auto, 38% auto, auto;
}

/* iPhone商店：现在在卡片2，显示 2.png（完整展示） */
.business-model .flow-step.step-2 {
    background-image: url('core/2.png'), linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.85));
    background-repeat: no-repeat, no-repeat;
    background-position: center, center;
    background-size: contain, auto;
}

.business-model .flow-step.step-4 {
    /* 公司：image2.png（右侧大卡，完整展示） */
    background-image: url('core/image2.png'), linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9));
    background-repeat: no-repeat, no-repeat;
    background-position: center, center;
    background-size: contain, auto;
    min-height: 520px;
}

/* 在公司图片右上区域覆盖品牌文字：JiuJIu */
.business-model .flow-step.step-4::after {
    content: "jiujiu";
    position: absolute;
    top: 12%;
    right: 10%;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(255,255,255,0.95);
    color: var(--deep-blue);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(74,144,226,0.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Typography adjustments inside cards */
.business-model .flow-step h3 {
    color: var(--deep-blue);
    margin-bottom: 6px;
}

.business-model .flow-step p {
    color: var(--deep-blue); /* 图片上的说明文字改为深色（非纯黑） */
}

/* 仅客户卡片标题居中（顶部） */
.business-model .flow-step.step-1 h3 {
    text-align: center;
    margin-top: 0;
}

/* Step number positioning to the card corner */
.business-model .flow-step .step-number {
    top: -14px;
    left: -14px;
    transform: none;
    background: var(--card-accent, var(--primary-blue));
    color: var(--pure-white);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    width: 28px;
    height: 28px;
    font-size: 13px;
}

/* Simple connector lines (visual hint) */
/* 客户卡片原有竖线移除，改为指向卡片2的标注箭头 */
.business-model .flow-step.step-1::after { content: none; }

/* 竖线底部添加向下箭头 */
.business-model .flow-step.step-1::before { content: none; }

.business-model .flow-step.step-3::after {
    content: "";
    position: absolute;
    right: -26px;
    top: 50%;
    width: 34%;
    height: 2px;
    background: rgba(74, 144, 226, 0.35);
}

.business-model .flow-step.step-3::before {
    content: "";
    position: absolute;
    right: -34px;
    top: calc(50% - 6px);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid rgba(74, 144, 226, 0.55);
}

/* Responsive: stack all cards on mobile */
@media (max-width: 768px) {
    .business-model .business-flow {
        grid-template-columns: 1fr;
        grid-template-areas:
            "left-top"
            "left-bottom"
            "left-bottom"
            "right-bottom";
        gap: var(--spacing-md);
    }

    .business-model .flow-step::after { content: none; }

    /* 移动端让第3张卡片恢复正常流，避免绝对定位覆盖 */
    .business-model .flow-step.step-3 {
        position: static;
        width: auto;
        min-height: 160px;
        box-shadow: none;
    }

    /* 移动端总体卡片微调：收紧内边距、取消缩放 */
    .business-model .flow-step {
        padding: var(--spacing-sm);
        min-height: 180px;
        transform: none;
    }

    /* 移动端：标签改为独立显示，避免与线段重叠 */
    .business-model .business-flow .flow-label {
        position: static;
        margin: 6px auto 10px;
        display: inline-block;
        font-size: 0.85rem;
        padding: 3px 6px;
    }
    .business-model .business-flow .arrow-contract,
    .business-model .business-flow .arrow-company-store {
        position: static;
        left: auto;
        top: auto;
        transform: none;
    }
    /* 移动端隐藏箭头线段与箭头尖，仅保留文字标签 */
    .business-model .business-flow .arrow-contract::before,
    .business-model .business-flow .arrow-contract::after,
    .business-model .business-flow .arrow-company-store::before,
    .business-model .business-flow .arrow-company-store::after,
    .business-model .flow-step.step-1 .arrow-price::before,
    .business-model .flow-step.step-1 .arrow-price::after,
    .business-model .flow-step.step-1 .arrow-downpayment::before,
    .business-model .flow-step.step-1 .arrow-downpayment::after {
        content: none;
    }

    /* 移动端禁用印花动画并进一步降低不透明度，提升可读性与性能 */
    .business-model::before,
    .business-model::after,
    .business-model .business-flow::before {
        animation: none;
        opacity: 0.05;
    }

    /* H5：复原箭头并按比例缩小线段与文字（覆盖上方隐藏） */
    .business-model .business-flow .arrow-contract::before {
        content: "";
        width: 200px;
        height: 2px;
        top: calc(100% + 8px);
        left: 50%;
        transform: translateX(-50%);
        background: var(--color-contract);
    }
    .business-model .business-flow .arrow-contract::after {
        content: "";
        left: calc(50% + 100px);
        top: calc(100% + 8px - 6px);
        border-top: 6px solid transparent;
        border-bottom: 6px solid transparent;
        border-left: 8px solid var(--color-contract);
    }
    .business-model .business-flow .arrow-company-store::before {
        content: "";
        width: 200px;
        height: 2px;
        top: 48px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--color-company-store);
    }
    .business-model .business-flow .arrow-company-store::after {
        content: "";
        left: calc(50% - 100px - 8px);
        top: calc(48px - 6px);
        border-top: 6px solid transparent;
        border-bottom: 6px solid transparent;
        border-right: 8px solid var(--color-company-store);
    }
    .business-model .flow-step.step-1 .arrow-price {
        top: calc(100% + 64px);
        left: -24%;
    }
    .business-model .flow-step.step-1 .arrow-price::before {
        content: "";
        left: 50%;
        top: -40px;
        width: 2px;
        height: 80px;
        background: var(--color-price);
    }
    .business-model .flow-step.step-1 .arrow-price::after {
        content: "";
        left: calc(50% - 6px);
        top: calc(100% + 40px - 28px);
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-top: 8px solid var(--color-price);
    }
    .business-model .flow-step.step-1 .arrow-downpayment {
        top: calc(100% + 64px);
        right: -10%;
    }
    .business-model .flow-step.step-1 .arrow-downpayment::before {
        content: "";
        left: 50%;
        top: -40px;
        width: 2px;
        height: 80px;
        background: var(--color-downpayment);
    }
    .business-model .flow-step.step-1 .arrow-downpayment::after {
        content: "";
        left: calc(50% - 6px);
        top: calc(100% + 40px - 28px);
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-top: 8px solid var(--color-downpayment);
    }
}

/* 在客户卡片与卡片2之间添加两条带文字的箭头标注 */
.business-model .business-flow .flow-arrow { display: none; }
.business-model .business-flow .flow-label {
    position: absolute;
    padding: 4px 8px;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(74,144,226,0.25);
    color: var(--deep-blue);
    border-radius: 6px;
    font-size: 0.9rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    z-index: 3;
}
/* 保证箭头文字在连线上居中显示，不换行 */
.business-model .business-flow .flow-label {
    display: inline-block;
    white-space: nowrap;
    text-align: center;
}
.business-model .flow-step.step-1 .arrow-price {
    top: calc(100% + 90px); /* 文字处于箭头中段，箭头尾部在卡片下方 */
    left: -15%; /* 左侧箭头更靠左，远离中间区域 */
}
.business-model .flow-step.step-1 .arrow-price::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -55px; /* 再短 5px */
    width: 2px;
    height: 110px; /* 下半段缩短，尖端更靠上 */
    background: var(--color-price);
}
.business-model .flow-step.step-1 .arrow-price::after {
    content: "";
    position: absolute;
    left: calc(50% - 6px);
    top: calc(100% + 55px - 30px); /* 与线段长度匹配，尖端更上抬 */
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--color-price);
}
.business-model .flow-step.step-1 .arrow-downpayment {
    top: calc(100% + 90px);
    right: -5%; /* 右侧箭头更靠右，避免靠近中间 */
}
.business-model .flow-step.step-1 .arrow-downpayment::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -55px; /* 同步再短 5px */
    width: 2px;
    height: 110px;
    background: var(--color-downpayment);
}
.business-model .flow-step.step-1 .arrow-downpayment::after {
    content: "";
    position: absolute;
    left: calc(50% - 6px);
    top: calc(100% + 55px - 30px);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--color-downpayment);
}

/* 客户 → 公司（水平向右的箭头，文字居中于线段） */
.business-model .business-flow .arrow-contract {
    top: 14%;
    left: calc(42.5% + var(--col-gap) / 2 - 50px); /* 向左移动 50px */
    transform: translateX(-80%);
}
.business-model .business-flow .arrow-contract::before {
    content: "";
    position: absolute;
    left: 50%;
    top: calc(100% + 10px); /* 将线段放在标签下方，避免文字重叠 */
    width: 280px; /* 线段以标签为中心展开（加长） */
    transform: translateX(-50%);
    height: 2px;
    background: var(--color-contract);
}
.business-model .business-flow .arrow-contract::after {
    content: "";
    position: absolute;
    left: calc(50% + 140px); /* 与 280px 线段长度匹配 */
    top: calc(100% + 10px - 6px); /* 箭头尖与线段同高 */
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid var(--color-contract);
}

/* 公司 → 商店（水平向左的箭头，文字居中于线段） */
.business-model .business-flow .arrow-company-store {
    top: 64%;
    left: calc(42.5% + var(--col-gap) / 2 + 50px); /* 向右移动 50px */
    transform: translateX(-160%);
}
.business-model .business-flow .arrow-company-store::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 60px; /* 将线段放在标签上方，避免文字重叠 */
    width: 280px; /* 线段以标签为中心展开 */
    transform: translateX(-50%);
    height: 2px;
    background: var(--color-company-store);
}
.business-model .business-flow .arrow-company-store::after {
    content: "";
    position: absolute;
    left: calc(50% - 140px - 8px); /* 箭头尖位于线段最左端 */
    top: calc(60px - 6px); /* 箭头尖与线段同高 */
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 8px solid var(--color-company-store);
}

.zero-risk h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xxl);
    letter-spacing: -1px;
}

.risk-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.benefit-number {
    background: var(--pure-white);
    color: var(--primary-blue);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xxl);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact-info {
    display: grid;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(74, 144, 226, 0.12);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--light-blue);
}

.contact-item i {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 144, 226, 0.12);
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.contact-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--deep-blue);
}

.contact-item p {
    color: var(--blue-gray);
}

.contact-form form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(74, 144, 226, 0.12);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    border-radius: var(--radius-md);
    outline: none;
    background: var(--pure-white);
    color: var(--dark-gray);
}

.contact-form textarea {
    grid-column: 1 / -1;
}

.contact-form button {
    grid-column: 1 / -1;
    justify-self: start;
}

/* Footer */
.footer {
    background: var(--deep-blue);
    padding: var(--spacing-xxl) 0;
    color: rgba(255, 255, 255, 0.85);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    color: rgba(255, 255, 255, 0.75);
}

/* Footer readable body text */
.footer .footer-section p,
.footer .footer-section li {
    color: rgba(255, 255, 255, 0.80);
}

/* Global Partnership Section */
.global-partnership {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.global-partnership h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--deep-blue);
    letter-spacing: -1px;
}

.partnership-intro {
    text-align: center;
    color: var(--blue-gray);
    margin-bottom: var(--spacing-xxl);
}

.support-grid {
    display: grid;
    gap: var(--spacing-lg);
    align-items: stretch;
    grid-template-columns: 1fr;
}

/* Grid breakpoints: 2 columns on tablets, 4 on desktops */
@media (min-width: 768px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .support-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.support-card {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(74, 144, 226, 0.12);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.support-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--light-blue);
}

.support-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(74,144,226,0.18), rgba(74,144,226,0.08));
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.support-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-xs);
}

.support-card p {
    color: var(--blue-gray);
    line-height: 1.6;
}

/* Responsive Contact & Footer */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    .contact-form form {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Responsive grid for contact items */
@media (min-width: 768px) {
    .contact-info {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

@media (min-width: 1200px) {
    .contact-info {
        grid-template-columns: repeat(3, minmax(220px, 1fr));
    }
}

@media (max-width: 480px) {
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content h3 {
        font-size: 1.2rem;
    }
    
    .services h2,
    .business-model h2,
    .zero-risk h2,
    .market-advantages h2,
    .global-partnership h2,
    .about-text h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .service-card,
    .flow-step,
    .benefit-card,
    .advantage-card,
    .support-card {
        padding: var(--spacing-md);
    }
}

/* Innovation Section - background image and readable overlay */
.innovation {
    padding: var(--spacing-xl) 0;
    position: relative;
    background: url('bg/moshi.png') center / cover no-repeat;
    overflow: hidden;
}
.innovation::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(rgba(12,27,55,0.20), rgba(12,27,55,0.20));
    z-index: 0;
}
.innovation .about-content,
.innovation .installment-sections { position: relative; z-index: 1; }

.innovation .about-content {
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    align-items: start;
}

.innovation .installment-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch;
}

.innovation .installment-section {
    background: rgba(255,255,255,0.68);
    border: 1px solid rgba(74, 144, 226, 0.12);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    min-height: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    backdrop-filter: blur(2px);
}

.innovation .installment-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--light-blue);
}

.innovation .section-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-blue);
    letter-spacing: -0.2px;
}

.innovation .section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    margin-top: 6px;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    opacity: 0.7;
}

.innovation .installment-section p {
    color: var(--blue-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card image inside Innovation cards */
.innovation .card-image {
    margin-top: var(--spacing-md);
}

.innovation .card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.innovation .installment-subtitle {
    color: var(--medium-gray);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

/* Innovation Gallery (images 2.png, 3.png, 4.png) */
.innovation .innovation-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    height: 100%;
}

.innovation .gallery-col {
    display: grid;
    gap: var(--spacing-lg);
    align-content: start;
    grid-template-rows: 1fr 1fr;
    height: 100%;
}

.innovation .gallery-col-main .gallery-img {
    height: 100%;
}

.innovation .gallery-col .gallery-img {
    height: 100%;
}

@media (min-width: 1200px) {
    .innovation .installment-sections {
        grid-template-columns: repeat(3, 1fr);
    }
}

.innovation .gallery-img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: var(--pure-white);
    object-fit: cover;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.innovation .gallery-img:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Unified Icon Badges */
.service-card .service-icon,
.advantage-icon,
.advantage-card i,
.flow-step .step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.18), rgba(74, 144, 226, 0.08));
    color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

.service-card .service-icon {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-icon,
.advantage-card i {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
}

.flow-step .step-icon {
    font-size: 1.4rem;
    margin: 0 auto var(--spacing-sm);
}

/* Mobile tuning for Innovation */
@media (max-width: 768px) {
    .innovation {
        padding: var(--spacing-lg) 0;
    }
    .innovation .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    .innovation .installment-sections {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    .innovation .innovation-gallery {
        grid-template-columns: 1fr;
    }
}

/* Business Model - enhanced visuals */
.business-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-weight: 600;
    opacity: 0.7;
}

.flow-step {
    background: var(--pure-white);
    border: 1px solid rgba(74, 144, 226, 0.12);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.flow-step:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.step-number {
    background: linear-gradient(135deg, rgba(74,144,226,0.18), rgba(74,144,226,0.08));
    color: var(--primary-blue);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

/* Zero-Risk grid layout */
.risk-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .risk-benefits {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .risk-benefits {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Responsive arrows */
@media (max-width: 992px) {
    .business-flow {
        grid-template-columns: 1fr 1fr;
    }
    .flow-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    .business-flow {
        grid-template-columns: 1fr;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Global Cooperation - standalone page styles */
.global-coop-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-md);
}

.global-coop-hero {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.global-coop-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--deep-blue);
    letter-spacing: -0.5px;
}

.global-coop-subtitle {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-top: var(--spacing-xs);
}

.global-coop-intro {
    max-width: 900px;
    margin: var(--spacing-md) auto 0;
    color: var(--blue-gray);
    line-height: 1.7;
}

.global-coop-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.global-coop-card {
    background: rgba(255,255,255,0.68);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(74, 144, 226, 0.12);
    padding: var(--spacing-xl);
    backdrop-filter: blur(3px);
}

.global-coop-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.18), rgba(74, 144, 226, 0.08));
    color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
}

.global-coop-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-xs);
}

.global-coop-card-desc {
    color: var(--blue-gray);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .global-coop-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* About - feature checklist beautification */
.about-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .about-features {
        grid-template-columns: repeat(2, minmax(260px, 1fr));
    }
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255,255,255,0.68);
    border: 1px solid rgba(74, 144, 226, 0.12);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    backdrop-filter: blur(2px);
}

.feature-item::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(74,144,226,0.18), rgba(74,144,226,0.08));
    color: var(--primary-blue);
    font-weight: 700;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--light-blue);
}

.feature-text {
    color: var(--deep-blue);
    font-weight: 500;
}
/* Business Theme Overrides — neutral, monochrome style */
:root {
    /* Override palette with business neutrals */
    --primary-blue: #1F3B4D; /* Navy */
    --light-blue: #D1D5DB;  /* Light gray */
    --pale-blue: #E5E7EB;   /* Pale gray */
    --sky-blue: #CBD5E1;    /* Subtle gray-blue */
    --deep-blue: #111827;   /* Very dark gray */
    --blue-gray: #6B7280;   /* Neutral gray */
    --soft-white: #F9FAFB;
    --pure-white: #FFFFFF;
    --light-gray: #F3F4F6;
    --medium-gray: #9CA3AF;
    --dark-gray: #111827;
    --accent-blue: #1F3B4D; /* Single subdued accent */
}

/* Make hero overlays and gradients monochrome */
.slide-overlay {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.60) 0%, rgba(17, 24, 39, 0.60) 100%);
}

.installment-hero-section {
    background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
}

.installment-hero-title {
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    color: var(--pure-white);
}

.installment-section-title::after {
    background: var(--medium-gray);
}

.installment-step-number,
.step-number {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.18), rgba(17, 24, 39, 0.08));
    color: var(--deep-blue);
}

/* Unify icon badges to neutral */
.service-card .service-icon,
.advantage-icon,
.advantage-card i,
.flow-step .step-icon,
.support-icon,
.installment-support-icon,
.global-coop-icon,
.feature-item::before {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.12), rgba(17, 24, 39, 0.06));
    color: var(--deep-blue);
}

/* Neutralize arrow and borders */
.flow-arrow {
    color: var(--medium-gray);
    opacity: 0.85;
}

.service-card,
.advantage-card,
.support-card,
.contact-item,
.installment-support-item,
.global-coop-card,
.installment-zero-risk {
    border: 1px solid rgba(17, 24, 39, 0.08);
}

.contact-item i {
    background: rgba(17, 24, 39, 0.10);
    color: var(--deep-blue);
}
/* Talent Concept (Business Neutral Style) */
.talent {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.talent h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-blue);
    letter-spacing: -0.5px;
}

.talent-subtitle {
    text-align: center;
    color: var(--blue-gray);
    margin-bottom: var(--spacing-lg);
}

.talent-description {
    max-width: 980px;
    margin: 0 auto var(--spacing-xl);
    color: var(--blue-gray);
    line-height: 1.8;
}

.talent-feature-card {
    max-width: 860px;
    margin: 0 auto var(--spacing-xl);
    background: var(--light-gray);
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.talent-feature-card h3 {
    color: var(--deep-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.talent-feature-card p {
    color: var(--blue-gray);
}

.talent-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.talent-image-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.talent-text-card {
    background: var(--light-gray);
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.talent-text-card h3 {
    color: var(--deep-blue);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.talent-text-card p {
    color: var(--blue-gray);
    margin-bottom: var(--spacing-sm);
}

.talent-inline-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .talent h2 { font-size: 1.8rem; }
    .talent-gallery { grid-template-columns: 1fr; }
}
/* Talent Strategy Section */
.talent {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.talent h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
    letter-spacing: -0.5px;
}

.talent-intro {
    text-align: center;
    color: var(--blue-gray);
    margin-bottom: var(--spacing-xxl);
}

.talent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.talent-card {
    background: var(--light-gray);
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.talent-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.talent-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-blue);
}

.talent-card-desc {
    color: var(--blue-gray);
    margin-bottom: var(--spacing-md);
}

.talent-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
    display: grid;
    gap: var(--spacing-xs);
}

.talent-list li {
    background: var(--pale-blue);
    color: var(--dark-gray);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    border: 1px solid rgba(17, 24, 39, 0.06);
}

.talent-chart img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* 人才模块背景图设置 */
.talent {
    position: relative;
    background: url('img/image3.png') center/cover no-repeat;
}
.talent::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.85));
    pointer-events: none;
}
.talent .container,
.talent .content-section,
.talent * {
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .talent h2 {
        font-size: 1.8rem;
    }
}

/* 全球合作内容区域背景图 */
#global-cooperation {
    position: relative;
    background: url('bg/globle.png') center/cover no-repeat;
}
#global-cooperation::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.88));
    pointer-events: none;
}
#global-cooperation * {
    position: relative;
    z-index: 1;
}

/* 分期业务顶部横幅 */
.installment-hero {
    position: relative;
    background: url('bg/fenqi.png') center/cover no-repeat;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}
.installment-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12,27,55,0.45), rgba(12,27,55,0.35));
}
.installment-hero-inner {
    position: relative;
    z-index: 1;
    padding: 56px 24px;
    text-align: center;
}
.installment-hero-title {
    color: #fff;
    font-size: 2.2rem;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}
.installment-hero-subtitle {
    color: rgba(255,255,255,0.92);
    font-size: 1.1rem;
}

@media (max-width: 768px) {
  .installment-hero-inner { padding: 40px 16px; }
  .installment-hero-title { font-size: 1.8rem; }
  .installment-hero-subtitle { font-size: 1rem; }
}

/* 市场优势区域背景图 */
.market-advantages {
    position: relative;
    background: url('bg/shichang.png') center/cover no-repeat;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.market-advantages::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12,27,55,0.30), rgba(12,27,55,0.22));
    pointer-events: none;
}
.market-advantages * {
    position: relative;
    z-index: 1;
}

/* 市场优势标题居中且显示在背景图上方 */
.market-advantages h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    margin: 0 0 var(--spacing-lg);
    color: #fff;
    text-align: center;
    letter-spacing: 0.5px;
}

/* 市场优势卡片半透明以不遮挡背景图 */
.market-advantages .advantage-card {
    background: rgba(255, 255, 255, 0.65);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    backdrop-filter: saturate(120%) blur(2px);
}

@media (max-width: 768px) {
  .market-advantages h2 { min-height: 160px; }
  .market-advantages .advantage-card { background: rgba(255,255,255,0.72); }
}

/* === 背景图区域卡片透明与文字加深（增强对比） === */
/* 市场优势：卡片更透明、文字加深 */
.market-advantages .advantage-card { background: rgba(255,255,255,0.65); }
.market-advantages .advantage-card h3 { color: #0c1b37; }
.market-advantages .advantage-card p { color: rgba(12,27,55,0.88); }

/* 分期业务中的市场优势：卡片更透明、文字加深 */
.installment-market-advantages .installment-advantage-card {
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(2px);
}
.installment-market-advantages .installment-advantage-card h3 { color: #0c1b37; }
.installment-market-advantages .installment-advantage-card p { color: rgba(12,27,55,0.88); }

/* 人才模块：卡片与文本容器更透明、文字加深 */
.talent .talent-feature-card,
.talent .talent-text-card,
.talent .talent-card {
  background: rgba(255,255,255,0.70);
  border-color: rgba(17,24,39,0.12);
}
.talent .talent-feature-card h3,
.talent .talent-text-card h3,
.talent .talent-card-title { color: #0c1b37; }
.talent .talent-feature-card p,
.talent .talent-text-card p,
.talent .talent-card-desc { color: rgba(12,27,55,0.90); }

/* ===== 通用装饰背景：星星与落叶动画 ===== */
.decor-stars,
.decor-leaves { position: relative; overflow: hidden; }
.decor-stars *,
.decor-leaves * { position: relative; z-index: 1; }

/* 星星：两层不同密度的星点，缓慢飘动 */
.decor-stars::before,
.decor-stars::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-repeat: no-repeat;
  background-size: cover;
}
.decor-stars::before {
  background-image:
    radial-gradient(2px 2px at 15% 20%, rgba(255,255,255,0.9) 50%, transparent 52%),
    radial-gradient(2px 2px at 30% 65%, rgba(255,255,255,0.85) 50%, transparent 52%),
    radial-gradient(2px 2px at 75% 30%, rgba(255,255,255,0.9) 50%, transparent 52%),
    radial-gradient(2px 2px at 55% 80%, rgba(255,255,255,0.8) 50%, transparent 52%),
    radial-gradient(2px 2px at 90% 50%, rgba(255,255,255,0.85) 50%, transparent 52%);
  animation: starsDrift 60s linear infinite;
}
.decor-stars::after {
  background-image:
    radial-gradient(3px 3px at 10% 40%, rgba(255,255,255,0.7) 50%, transparent 52%),
    radial-gradient(3px 3px at 40% 25%, rgba(255,255,255,0.75) 50%, transparent 52%),
    radial-gradient(3px 3px at 65% 70%, rgba(255,255,255,0.7) 50%, transparent 52%),
    radial-gradient(3px 3px at 85% 20%, rgba(255,255,255,0.75) 50%, transparent 52%);
  animation: starsDrift 90s linear infinite reverse;
}

@keyframes starsDrift {
  0%   { transform: translate3d(0, 0, 0); }
  50%  { transform: translate3d(0, -20px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

/* 落叶：使用SVG图标平铺，缓慢下落与轻微摆动 */
.decor-leaves::before {
  content: "";
  position: absolute;
  inset: -10% -10% -10% -10%;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23a4c96b' d='M12 2c3 3 4 6 4 8c0 4-3 7-7 7c-2 0-5-1-8-4c3-1 6-2 8-4c2-2 3-5 3-7Z'/%3E%3C/svg%3E");
  background-size: 36px 36px;
  background-repeat: repeat;
  opacity: 0.25;
  animation: leavesFall 40s linear infinite;
}

@keyframes leavesFall {
  0%   { transform: translate3d(0, -40px, 0) rotate(0deg); }
  50%  { transform: translate3d(-10px, 0, 0) rotate(6deg); }
  100% { transform: translate3d(0, 40px, 0) rotate(0deg); }
}

@media (max-width: 768px) {
  .decor-stars::before, .decor-stars::after { opacity: 0.6; }
  .decor-leaves::before { opacity: 0.22; background-size: 28px 28px; }
}

/* ===== 分期业务装饰特效：霓虹气泡、动线、几何点阵、波浪 ===== */
/* 通用容器层级与剪裁控制 */
.installment-decor { position: relative; overflow: hidden; }
.installment-decor * { position: relative; z-index: 1; }

/* 霓虹气泡（渐变圆斑缓慢漂浮） */
.decor-blobs::before,
.decor-blobs::after {
  content: "";
  position: absolute;
  inset: -10% -10% -10% -10%;
  pointer-events: none;
  background:
    radial-gradient(140px 140px at 15% 30%, rgba(99,102,241,0.22) 0%, rgba(99,102,241,0.0) 70%),
    radial-gradient(180px 180px at 80% 20%, rgba(16,185,129,0.20) 0%, rgba(16,185,129,0.0) 72%),
    radial-gradient(160px 160px at 25% 75%, rgba(59,130,246,0.18) 0%, rgba(59,130,246,0.0) 70%),
    radial-gradient(120px 120px at 60% 55%, rgba(236,72,153,0.18) 0%, rgba(236,72,153,0.0) 70%);
  animation: blobsDrift 60s ease-in-out infinite;
}
.decor-blobs::after {
  filter: blur(10px);
  opacity: 0.7;
  animation-duration: 90s;
}
@keyframes blobsDrift {
  0%   { transform: translate3d(0,0,0); }
  50%  { transform: translate3d(0,-18px,0); }
  100% { transform: translate3d(0,0,0); }
}

/* 动线（斜向流动条纹） */
.decor-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(135deg, rgba(255,255,255,0.06) 25%, transparent 25%),
    linear-gradient(135deg, rgba(255,255,255,0.06) 50%, transparent 50%),
    linear-gradient(135deg, rgba(255,255,255,0.06) 75%, transparent 75%);
  background-size: 24px 24px;
  mix-blend-mode: overlay;
  animation: linesFlow 16s linear infinite;
}
@keyframes linesFlow {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-24px); }
}

/* 几何点阵（多层移动微点） */
.decor-dots::before,
.decor-dots::after {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 10% 30%, rgba(12,27,55,0.28) 50%, transparent 52%),
    radial-gradient(2px 2px at 35% 70%, rgba(12,27,55,0.24) 50%, transparent 52%),
    radial-gradient(2px 2px at 80% 40%, rgba(12,27,55,0.26) 50%, transparent 52%),
    radial-gradient(2px 2px at 55% 85%, rgba(12,27,55,0.22) 50%, transparent 52%);
  background-size: cover;
}
.decor-dots::before { animation: dotsDrift 50s linear infinite; }
.decor-dots::after  { animation: dotsDrift 80s linear infinite reverse; opacity: 0.6; }
@keyframes dotsDrift {
  0%   { transform: translate3d(0,0,0); }
  50%  { transform: translate3d(-12px,-12px,0); }
  100% { transform: translate3d(0,0,0); }
}

/* 波浪（顶部与底部的渐变波形） */
.decor-waves::before,
.decor-waves::after {
  content: "";
  position: absolute; left: 0; right: 0; height: 120px;
  pointer-events: none;
  background: radial-gradient(120px 60px at 20% 0%, rgba(59,130,246,0.18) 0%, rgba(59,130,246,0.0) 60%),
              radial-gradient(120px 60px at 70% 0%, rgba(99,102,241,0.18) 0%, rgba(99,102,241,0.0) 60%);
}
.decor-waves::before { top: 0; animation: wavesFloat 22s ease-in-out infinite; }
.decor-waves::after  { bottom: 0; transform: rotate(180deg); animation: wavesFloat 28s ease-in-out infinite reverse; }
@keyframes wavesFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(8px); }
  100% { transform: translateY(0); }
}

/* 移动端特效强度适配 */
@media (max-width: 768px) {
  .decor-blobs::before, .decor-blobs::after { opacity: 0.75; }
  .decor-lines::before { opacity: 0.35; }
  .decor-dots::after { opacity: 0.5; }
  .decor-waves::before, .decor-waves::after { height: 90px; }
}

/* 市场优势标题居中并置于背景图上方 */
.market-advantages { text-align: center; }
.market-advantages h2 {
    color: #fff;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* 分期业务内市场优势标题居中（若存在） */
.installment-market-advantages { text-align: center; }
.installment-market-advantages span,
.installment-market-advantages h2 {
    color: #fff;
    text-align: center;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

/* 分期业务中的市场优势区域（若存在同结构） */
.installment-market-advantages {
    position: relative;
    background: url('bg/shichang.png') center/cover no-repeat;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.installment-market-advantages::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12,27,55,0.30), rgba(12,27,55,0.22));
    pointer-events: none;
}
.installment-market-advantages * {
    position: relative;
    z-index: 1;
}
/* === H5 独立核心商业模式样式（仅移动端显示） === */
.business-model-h5 { display: none; padding: var(--spacing-xl) 0; }
.business-model-h5 h2 { text-align: center; color: var(--deep-blue); margin-bottom: var(--spacing-lg); }
.business-model-h5 .h5-flow { display: grid; grid-template-columns: 1fr; gap: var(--spacing-md); }
.business-model-h5 .flow-step {
    position: relative;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(74,144,226,0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    padding: var(--spacing-md);
}
.business-model-h5 .step-number {
    position: absolute;
    top: -12px; left: -12px;
    width: 28px; height: 28px;
    display: grid; place-items: center;
    background: var(--pure-white);
    color: var(--dark-gray);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    font-size: 13px; font-weight: 600;
}
.business-model-h5 .flow-step h3 { color: var(--deep-blue); margin-bottom: 6px; }
.business-model-h5 .flow-step p { color: var(--deep-blue); }
.business-model-h5 .flow-label {
    position: static;
    display: inline-block;
    margin: 6px 0 0;
    padding: 4px 8px;
    font-size: 0.9rem;
    color: var(--deep-blue);
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(74,144,226,0.2);
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
.business-model-h5 .h5-divider { height: 1px; background: rgba(74,144,226,0.25); margin: var(--spacing-sm) 0; }

@media (max-width: 768px) {
    /* 移动端：隐藏 PC 版块，显示 H5 版块 */
    .business-model { display: none; }
    .business-model-h5 { display: block; }
}

/* H5 模版配色与装饰增强 */
.business-model-h5 {
    --accent-1: #5cc9a8; /* 客户卡片：松石绿 */
    --accent-2: #5aa3ff; /* 商店卡片：亮蓝色 */
    --accent-3: #a47cf3; /* 公司卡片：紫色 */
    background:
        radial-gradient(900px 420px at 50% -180px, rgba(191,228,255,0.6) 0%, rgba(191,228,255,0.25) 35%, rgba(255,255,255,0) 70%),
        linear-gradient(180deg, rgba(240,248,255,0.8), rgba(255,255,255,0.95));
}
.business-model-h5 .flow-step { border-left: 4px solid var(--accent, var(--primary-blue)); }
.business-model-h5 .flow-step.step-1 { --accent: var(--accent-1); }
.business-model-h5 .flow-step.step-2 { --accent: var(--accent-2); }
.business-model-h5 .flow-step.step-3 { --accent: var(--accent-3); }

.business-model-h5 .flow-label {
    background: linear-gradient(180deg, rgba(208,229,255,0.6), rgba(255,255,255,0.95));
    border-color: rgba(74,144,226,0.25);
}
.business-model-h5 .flow-step .flow-label::before {
    content: "";
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    margin-right: 6px;
    background: var(--accent, var(--primary-blue));
    vertical-align: middle;
}
.business-model-h5 .step-image { 
    margin-top: 8px;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(17,24,39,0.06);
    box-shadow: var(--shadow-sm);
}
.business-model-h5 .step-image img { width: 100%; height: 140px; object-fit: cover; display: block; }

/* Advantage card images (PC/Home) */
.advantage-card img.advantage-photo {
    width: 55%;
    max-width: 300px;
    height: auto;
    display: block;
    border-radius: 12px;
    margin: 0.5rem auto 0.9rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    object-fit: cover;
}

/* Advantage card images (Installment page) */
.installment-advantage-card img.installment-advantage-photo {
    width: 65%;
    max-width: 280px;
    height: auto;
    display: block;
    border-radius: 12px;
    margin: 0.5rem auto 0.9rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    object-fit: cover;
}

@media (max-width: 768px) {
  .advantage-card img.advantage-photo { width: 70%; max-width: 260px; }
  .installment-advantage-card img.installment-advantage-photo { width: 75%; max-width: 260px; }
}

/* 背景层加深（人才 & 全球合作） */
.talent::before {
    background: linear-gradient(180deg, rgba(12,27,55,0.38), rgba(12,27,55,0.38));
}
#global-cooperation::before {
    background: linear-gradient(180deg, rgba(12,27,55,0.42), rgba(12,27,55,0.42));
}