/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066ff;
    --secondary-color: #00d4ff;
    --dark-bg: #0a0e27;
    --light-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #ffffff;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --gradient-2: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--light-bg);
}

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

/* 背景动画 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-1);
    opacity: 0.1;
    animation: float 20s infinite;
}

.particle:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 40%;
    left: 20%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    width: 70px;
    height: 70px;
    top: 80%;
    left: 60%;
    animation-delay: 6s;
}

.particle:nth-child(5) {
    width: 90px;
    height: 90px;
    top: 20%;
    left: 70%;
    animation-delay: 8s;
}

.particle:nth-child(6) {
    width: 50px;
    height: 50px;
    top: 70%;
    left: 30%;
    animation-delay: 10s;
}

.particle:nth-child(7) {
    width: 110px;
    height: 110px;
    top: 50%;
    left: 50%;
    animation-delay: 12s;
}

.particle:nth-child(8) {
    width: 65px;
    height: 65px;
    top: 30%;
    left: 90%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* 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(10px);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.btn-contact {
    background: var(--gradient-1);
    color: var(--text-light) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-contact::after {
    display: none;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 主页面 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 102, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.badge-new {
    background: var(--gradient-1);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.typing-text {
    display: block;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 3D建筑视觉效果 */
.hero-visual {
    perspective: 1000px;
    animation: fadeInRight 1s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.visual-container {
    position: relative;
    width: 100%;
    height: 500px;
}

.building-3d {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(20deg) rotateY(-20deg);
    transform-style: preserve-3d;
    animation: rotate3d 20s infinite linear;
}

@keyframes rotate3d {
    0% {
        transform: translate(-50%, -50%) rotateX(20deg) rotateY(-20deg);
    }
    100% {
        transform: translate(-50%, -50%) rotateX(20deg) rotateY(340deg);
    }
}

.building-face {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(240, 240, 255, 0.8));
    border: 2px solid rgba(0, 102, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.building-front {
    width: 200px;
    height: 250px;
    transform: translateZ(100px);
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(0, 102, 255, 0.1) 40px, rgba(0, 102, 255, 0.1) 42px),
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0, 102, 255, 0.1) 40px, rgba(0, 102, 255, 0.1) 42px);
}

.building-right {
    width: 200px;
    height: 250px;
    transform: rotateY(90deg) translateZ(100px);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.3), rgba(0, 212, 255, 0.2));
}

.building-top {
    width: 200px;
    height: 200px;
    transform: rotateX(90deg) translateZ(250px);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.4), rgba(0, 212, 255, 0.3));
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: floatCard 3s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: 0;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    right: 15%;
    animation-delay: 2s;
}

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

.card-icon {
    font-size: 1.5rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* 特性区域 */
.features {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: 1.5rem;
    animation: iconFloat 3s infinite ease-in-out;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 产品展示 */
.products {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.products-showcase {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-item.reverse {
    direction: rtl;
}

.product-item.reverse > * {
    direction: ltr;
}

.product-content {
    position: relative;
}

.product-number {
    font-size: 6rem;
    font-weight: 800;
    color: rgba(0, 102, 255, 0.05);
    position: absolute;
    top: -2rem;
    left: -1rem;
    z-index: 0;
}

.product-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.product-features li {
    color: var(--text-primary);
    font-weight: 500;
}

.product-visual {
    position: relative;
    height: 400px;
}

/* 手机模型 */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: phoneFloat 4s infinite ease-in-out;
}

@keyframes phoneFloat {
    0%, 100% {
        transform: translate(-50%, -50%) rotateY(0deg);
    }
    50% {
        transform: translate(-50%, -50%) rotateY(10deg);
    }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 32px;
    overflow: hidden;
}

.app-interface {
    padding: 1rem;
}

.app-header {
    height: 40px;
    background: linear-gradient(90deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.menu-item {
    height: 80px;
    background: linear-gradient(90deg, #f8f8f8 0%, #f0f0f0 100%);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* 仪表板模型 */
.dashboard-mockup {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-end;
}

.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    width: 100%;
    height: 250px;
}

.chart-bar {
    flex: 1;
    background: var(--gradient-1);
    border-radius: 8px 8px 0 0;
    animation: growBar 1.5s ease-out;
}

@keyframes growBar {
    from {
        height: 0;
    }
}

/* 网络模型 */
.network-mockup {
    width: 100%;
    height: 100%;
    position: relative;
}

.network-node {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

.node-1 {
    top: 20%;
    left: 20%;
}

.node-2 {
    top: 20%;
    right: 20%;
    animation-delay: 0.5s;
}

.node-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 1s;
}

.node-4 {
    bottom: 20%;
    right: 20%;
    animation-delay: 1.5s;
}

.network-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: flowLine 2s infinite;
}

@keyframes flowLine {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

.line-1 {
    top: 30%;
    left: 25%;
    width: 50%;
    transform: rotate(0deg);
}

.line-2 {
    top: 50%;
    left: 25%;
    width: 50%;
    transform: rotate(90deg);
    animation-delay: 0.5s;
}

.line-3 {
    top: 50%;
    left: 25%;
    width: 70%;
    transform: rotate(45deg);
    animation-delay: 1s;
}

/* 功能介绍区域 */
.cases {
    padding: 6rem 0;
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.case-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.case-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    animation: iconBounce 2s infinite ease-in-out;
}

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.case-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 关于我们区域 */
.about {
    padding: 6rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.about-feature-item {
    text-align: center;
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.feature-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-image {
    position: relative;
    height: 500px;
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.image-decoration {
    position: absolute;
    background: var(--gradient-1);
    opacity: 0.1;
    border-radius: 50%;
}

.image-decoration:nth-child(1) {
    width: 200px;
    height: 200px;
    top: -50px;
    right: -50px;
    animation: float 6s infinite ease-in-out;
}

.image-decoration:nth-child(2) {
    width: 150px;
    height: 150px;
    bottom: 50px;
    left: -30px;
    animation: float 8s infinite ease-in-out;
}

.image-decoration:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 10s infinite ease-in-out;
}

/* 账户及第三方平台支付费用区域 */
.payment-fees {
    padding: 6rem 0;
    background: white;
}

.payment-content {
    margin-top: 3rem;
}

.service-fee-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    border-radius: 20px;
    color: white;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-lg);
}

.fee-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.fee-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.fee-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
}

.fee-amount {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.currency {
    font-size: 2rem;
    opacity: 0.9;
}

.price {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
}

.unit {
    font-size: 1.5rem;
    opacity: 0.9;
}

.fee-description p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.fee-description strong {
    font-weight: 700;
    text-decoration: underline;
}

.promise-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.badge-icon {
    font-size: 1.5rem;
    font-weight: 700;
}

.platform-accounts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.account-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.account-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.account-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e0e0e0;
}

.account-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 12px;
}

.account-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.account-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-section h4 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.detail-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-section ul li {
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.detail-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.fee-section {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(0, 212, 255, 0.05));
    padding: 1rem;
    border-radius: 8px;
}

.fee-tag {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.fee-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.fee-value {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

/* 运营交付及结算规则区域 */
.operation-rules {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.operation-content {
    margin-top: 3rem;
}

.delivery-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.delivery-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.delivery-intro strong {
    color: var(--primary-color);
    font-weight: 600;
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.account-type-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.account-type-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.account-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.account-icon-large {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.account-type-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.account-type-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
    margin-bottom: 1.5rem;
}

.account-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.1));
    color: var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.settlement-rules-section {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.rules-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e0e0e0;
}

.title-icon {
    font-size: 2rem;
}

.rules-cards {
    display: grid;
    gap: 2rem;
}

.settlement-rule-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
}

.settlement-rule-card.highlight {
    border-left-color: #51cf66;
}

.rule-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.rule-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.rule-title h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.rule-rate {
    text-align: center;
    margin: 1.5rem 0;
}

.rate-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rule-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.delivery-explanation p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.highlight-text {
    color: #51cf66;
    font-weight: 700;
}

.example-box {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.example-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.example-icon {
    font-size: 1.5rem;
}

.example-header strong {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.example-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.example-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.example-item .label {
    color: var(--text-secondary);
    font-weight: 500;
}

.example-item .value {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.example-item .value.subsidy {
    color: #ff6b6b;
}

.example-item .value.customer {
    color: #51cf66;
}

.example-note {
    background: linear-gradient(135deg, rgba(81, 207, 102, 0.1), rgba(55, 178, 77, 0.1));
    padding: 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    line-height: 1.6;
    border-left: 3px solid #51cf66;
}

.example-note strong {
    color: #51cf66;
}

.tip-box {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    padding: 1.25rem;
    border-radius: 8px;
    border-left: 3px solid #ffa726;
}

.tip-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tip-box p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 品牌加盟结算建议区域 */
.settlement {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.settlement-content {
    margin-top: 3rem;
}

.settlement-intro {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.intro-icon {
    font-size: 3rem;
    text-align: center;
    animation: pulse 2s infinite;
}

.settlement-intro p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    text-align: center;
}

.settlement-intro strong {
    color: var(--primary-color);
    font-weight: 600;
}

.settlement-rules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.rule-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.rule-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.rule-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.rule-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.1));
    border-radius: 12px;
}

.rule-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.formula-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.formula-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.formula {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    line-height: 1.8;
}

.formula.complex {
    font-size: 0.95rem;
}

.formula-text {
    color: var(--text-primary);
    font-weight: 500;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.operator {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.bracket {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.result {
    color: white;
    background: var(--gradient-1);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.settlement-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.feature-icon-small {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    color: white;
    border-radius: 8px;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.settlement-note {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid #ffa726;
}

.note-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.note-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.note-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 联系我们区域 */
.contact {
    padding: 6rem 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA区域 */
.cta {
    padding: 6rem 0;
    background: var(--gradient-1);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.1rem;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* 页脚 */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

.icp-info {
    font-size: 0.9rem;
}

.icp-info a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .product-item,
    .product-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .platform-accounts {
        grid-template-columns: 1fr;
    }
    
    .accounts-grid {
        grid-template-columns: 1fr;
    }
    
    .settlement-rules {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}