/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-orange: #FFB366;
    --primary-green: #7ED7C1;
    --dark-orange: #E8944A;
    --dark-green: #5BC4A8;
    --light-orange: #FFF0E0;
    --light-green: #E0F5F0;
    --text-dark: #2C3E50;
    --text-gray: #5A6C7D;
    --text-light: #8B9DC3;
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-gradient: linear-gradient(135deg, #FFB366 0%, #7ED7C1 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.logo-text span {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.2;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bg-gradient);
    transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* 英雄区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #FFF8F0 0%, #F0FAF7 50%, #FFF0E8 100%);
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 120px 0 80px;
}

.hero-content .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-title .highlight {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--bg-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(255,179,102,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,179,102,0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--light-green);
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-item {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 12px;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary-orange);
    border-bottom: 2px solid var(--primary-orange);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

/* 通用区块样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--light-orange);
    color: var(--dark-orange);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

/* 核心业务 */
.core-business {
    background: var(--bg-light);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.business-card {
    background: white;
    padding: 48px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

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

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.business-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.business-card p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

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

.card-link:hover {
    color: var(--dark-orange);
}

/* 平台优势 */
.advantages {
    background: white;
}

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

.advantage-item {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.icon-circle {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-circle svg {
    width: 28px;
    height: 28px;
    color: white;
}

.advantage-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.advantage-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* 入驻流程 */
.process {
    background: linear-gradient(135deg, var(--light-orange) 0%, var(--light-green) 100%);
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.step {
    flex: 1;
    max-width: 220px;
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 64px;
    font-weight: 900;
    color: rgba(255,179,102,0.15);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
}

.step-icon svg {
    width: 100%;
    height: 100%;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.step p {
    font-size: 14px;
    color: var(--text-gray);
    position: relative;
    z-index: 1;
}

.step-connector {
    width: 40px;
    height: 2px;
    background: var(--bg-gradient);
    flex-shrink: 0;
}

/* 合作伙伴 */
.partners {
    background: white;
    padding: 60px 0;
}

.partners-marquee {
    overflow: hidden;
    position: relative;
}

.partners-marquee::before,
.partners-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.partners-marquee::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}

.partners-marquee::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}

.marquee-track {
    display: flex;
    gap: 60px;
    animation: marquee 20s linear infinite;
}

.partner-logo {
    flex-shrink: 0;
    padding: 16px 32px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-gray);
    white-space: nowrap;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo-text h3 {
    color: white;
}

.footer-brand .logo-text span {
    color: rgba(255,255,255,0.6);
}

.footer-desc {
    margin: 20px 0;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-contact strong {
    color: white;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    margin-bottom: 4px;
}

.icp-link {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: var(--transition);
}

.icp-link:hover {
    color: var(--primary-orange);
    text-decoration: underline;
}

/* 动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: rotate(45deg) translateY(0);
    }
    40% {
        transform: rotate(45deg) translateY(-10px);
    }
    60% {
        transform: rotate(45deg) translateY(-5px);
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 响应式设计 - 平板 */
@media (max-width: 1024px) {
    .hero-content .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-stats {
        max-width: 500px;
        margin: 0 auto;
    }

    .business-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

/* 响应式设计 - 手机 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 26px;
    }

    .section-desc {
        font-size: 15px;
    }

    .process-steps {
        flex-direction: column;
    }

    .step-connector {
        width: 2px;
        height: 30px;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

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

    .stat-number {
        font-size: 36px;
    }

    .stat-item {
        padding: 20px;
    }

    .advantage-item {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .icon-circle {
        margin: 0 auto;
    }

    .marquee-track {
        gap: 30px;
    }

    .partner-logo {
        padding: 12px 20px;
        font-size: 14px;
    }

    .logo-img {
        width: 40px;
        height: 40px;
    }

    .logo-text h1 {
        font-size: 20px;
    }

    .logo-text span {
        font-size: 10px;
    }

    .navbar .container {
        height: 60px;
    }

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

    section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .business-card {
        padding: 32px 24px;
    }

    .card-icon {
        width: 60px;
        height: 60px;
    }

    .business-card h3 {
        font-size: 20px;
    }

    .business-card p {
        font-size: 14px;
    }

    .footer {
        padding: 60px 0 0;
    }

    .footer-grid {
        gap: 30px;
        margin-bottom: 40px;
    }

    .footer-bottom {
        padding: 16px 0;
    }

    .footer-bottom p {
        font-size: 12px;
    }
}

/* 响应式设计 - 小屏手机 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

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

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

    .container {
        padding: 0 16px;
    }

    .btn {
        width: 100%;
    }

    .hero-buttons {
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }
}