/* 基础样式 */
:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #ffd700; /* 修改为金黄色 */
    --accent-color-2: #007bff; /* 添加蓝色作为第二强调色 */
    --text-color: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --background-dark: #000000;
    --background-light: #1a1a1a;
    --nav-height: 60px; /* 减小导航栏高度 */
}

* {
    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(--text-color);
    background-color: var(--background-dark);
    overflow-x: hidden;
}

/* 导航栏样式 */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0 30px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand {
    margin-right: auto;
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-toggle {
    display: none;
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav-item a:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}

/* 移动端导航样式 */
@media screen and (max-width: 768px) {
    .nav {
        padding: 0 15px;
        background-color: transparent;
        border: none;
    }

    .nav-brand {
        z-index: 1001;
    }

    .nav-logo {
        height: 30px;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 40px;
        height: 40px;
        padding: 12px;
        background: rgba(0, 0, 0, 0.8);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        z-index: 1001;
        position: relative;
    }

    .nav-toggle span {
        display: block;
        width: 16px;
        height: 2px;
        background-color: white;
        transition: all 0.3s ease;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .nav-list {
        position: fixed;
        top: 15px;
        right: 15px;
        width: auto;
        min-width: 200px;
        background: rgba(0, 0, 0, 0.9);
        border-radius: 25px;
        padding: 60px 20px 20px;
        flex-direction: column;
        gap: 10px;
        transform: translateX(120%);
        transition: transform 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .nav-list.active {
        transform: translateX(0);
    }

    .nav-item {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-list.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-item a {
        display: block;
        padding: 10px 20px;
        text-align: right;
        font-size: 1rem;
    }
}

/* 首页内容布局 */
.home-content {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 2;
}

/* 移动端品牌名称 */
.mobile-brand {
    position: absolute;
    top: 5%;
    left: 5%;
    color: var(--text-color);
    font-size: 1.5em;
    font-weight: bold;
    display: none;
}

/* LOGO区域 */
.logo-section {
    width: 100%;
    height: 45vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 5%;
}

.logo {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
}

/* 标题区域 */
.title-section {
    width: 100%;
    height: 55vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 5%;
    margin-top: 5vh;
}

.hero-title {
    font-size: min(4vw, 2.8em);
    line-height: 1.2;
    margin-bottom: 2vh;
    color: var(--text-color);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    width: 100%;
    text-align: center;
}

.hero-subtitle {
    font-size: min(2.5vw, 1.4em);
    color: var(--text-color);
    margin-top: 2vh;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    width: 100%;
    text-align: center;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .nav {
        display: block;
        background: rgba(0, 0, 0, 0.9);
    }

    .nav-list {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .nav-item {
        margin: 10px 0;
    }

    .logo-section {
        height: 40vh;
    }

    .title-section {
        height: 60vh;
        padding-top: 5vh;
    }

    .hero-title {
        font-size: min(5.5vw, 1.8em);
    }

    .hero-subtitle {
        font-size: min(4vw, 1em);
    }

    .logo {
        max-width: 80%;
    }

    .section {
        padding: calc(var(--nav-height) + 40px) 20px 60px;
    }

    .flex-container {
        flex-direction: column;
        gap: 20px;
    }

    .image-placeholder {
        display: none;
    }

    .content-area {
        flex: 0 0 100%;
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .logo-section {
        height: 35vh;
    }

    .title-section {
        height: 65vh;
        padding-top: 0;
    }

    .hero-title {
        font-size: min(6vw, 1.5em);
    }

    .hero-subtitle {
        font-size: min(4.5vw, 0.9em);
    }
}

/* 背景图片样式 */
.bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* 增长案例样式 */
.growth-cases {
    margin-top: 40px;
    padding: 20px;
    text-align: center;
}

.case-subtitle {
    font-size: 1.4em;
    color: var(--accent-color);
    margin-bottom: 30px;
    text-align: center;
}

.case-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}

.case-list li {
    margin-bottom: 20px;
    color: #999;
    text-align: center;
    line-height: 1.6;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .case-subtitle {
        font-size: 1.2em;
        padding: 0 20px;
    }

    .case-list li {
        font-size: 0.9em;
        padding: 0 30px;
    }
}

@media screen and (max-width: 480px) {
    .case-list li {
        padding: 0 20px;
    }
}

/* 增长方法论样式 */
.growth-header {
    position: relative;
    width: 100%;
    margin-bottom: 3rem;
    text-align: center;
    overflow: visible;
}

.neon-image-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    cursor: default;
    overflow: visible;
}

.growth-image {
    width: 100%;
    height: auto;
    max-width: 1200px;
    margin: 0 auto;
    display: block;
    transform: translateY(20%);
    opacity: 0.9;
    transition: opacity 0.3s ease;
    mix-blend-mode: luminosity;
    filter: contrast(1.2) brightness(1.1);
    pointer-events: none;
}

.neon-outline {
    display: none;
}

/* 自定义鼠标光效 */
.neon-cursor {
    position: fixed;
    width: 150px;
    height: 150px;
    pointer-events: none;
    mix-blend-mode: screen;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    will-change: transform;
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 0.8) 0%,
        rgba(255, 255, 255, 0.4) 20%,
        rgba(255, 255, 255, 0.2) 40%,
        transparent 70%
    );
}

.neon-cursor.active {
    opacity: 0.8;
    animation: cursorPulse 2s ease-in-out infinite;
}

@keyframes cursorPulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 0.6; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .neon-cursor {
        width: 100px;
        height: 100px;
    }
}

@media screen and (max-width: 480px) {
    .neon-cursor {
        width: 80px;
        height: 80px;
    }
}

.growth-title {
    position: relative;
    font-size: 2.5rem;
    color: var(--text-color);
    margin: -3rem auto 2rem;
    text-align: center;
    font-weight: bold;
    white-space: nowrap;
    z-index: 3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.8) 50%,
        var(--background-dark) 100%
    );
    padding: 2rem 1rem 1rem;
    width: 100%;
}

/* 响应式适配 */
@media screen and (max-width: 768px) {
    .growth-title {
        font-size: 1.4rem;
        white-space: nowrap;
        padding: 1.5rem 0.5rem 1rem;
        margin-top: -2rem;
    }

    .growth-image {
        transform: translateY(15%);
    }
}

.growth-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.growth-list {
    list-style: none;
    padding: 0;
}

.growth-list li {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 响应式适配 */
@media screen and (max-width: 768px) {
    .growth-title {
        font-size: 1.8rem;
        padding: 0 1rem;
    }

    .growth-list li {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

/* 合作伙伴部分样式更新 */
.partner-grid {
    position: relative;
    width: 100%;
    height: 400px;
    margin: 40px 0;
    background: var(--background-light);
    border-radius: 20px;
    overflow: hidden;
}

.partner-background {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .partner-grid {
        height: 200px;
        margin: 20px 0;
    }
    
    .neon-cursor {
        width: 60px;
        height: 60px;
    }
}

@media screen and (max-width: 480px) {
    .partner-grid {
        height: 150px;
    }
    
    .neon-cursor {
        width: 40px;
        height: 40px;
    }
}

/* 区段内容样式 */
.section-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 10vh;
}

/* 标题样式 */
.section-title {
    font-size: 2.8em;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* 区段样式 */
.section {
    min-height: 100vh;
    padding: calc(var(--nav-height) + 40px) 30px 60px;
    position: relative;
    overflow: hidden;
    background-color: var(--background-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 引用样式 */
.quote {
    font-size: 1.5em;
    font-style: italic;
    color: var(--text-color);
    text-align: center;
    margin: 40px 0;
    padding: 30px;
    background: var(--background-light);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 案例研究样式 */
.case-study {
    margin: 60px 0;
    padding: 40px;
    background: var(--background-light);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 148, 0.1);
}

.case-title {
    font-size: 2em;
    color: var(--text-color);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.4em;
    color: var(--accent-color);
    margin: 20px 0 15px;
}

/* 列表样式 */
.bullet-list {
    list-style: none;
    padding-left: 20px;
    margin: 20px 0;
}

.bullet-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.bullet-list li:before {
    content: "•";
    color: var(--accent-color-2);
    font-size: 1.5em;
    position: absolute;
    left: 0;
    top: -2px;
}

/* 服务网格 */
.service-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.service-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.service-item {
    flex: 1;
    background: var(--background-light);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    aspect-ratio: 1/1;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-item h3 {
    color: var(--accent-color-2);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-item p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* 移动端优化 */
@media screen and (max-width: 768px) {
    .service-grid {
        gap: 1rem;
        padding: 0 0.5rem;
    }
    
    .service-row {
        display: flex;
        gap: 0.5rem;
    }
    
    .service-item {
        padding: 1rem;
    }
    
    .service-item h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .service-item p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

/* 合作伙伴网格 */
.partner-grid {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-partner {
    position: relative;
    z-index: 2;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.main-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.3));
}

.surrounding-partners {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.partner-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.partner-logo {
    position: absolute;
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.2);
}

/* 第一圈 - 4个logo */
.ring-1 {
    width: 300px;
    height: 300px;
}

.ring-1 .partner-logo {
    width: 100px;
    height: 100px;
}

.ring-1 .partner-logo:nth-child(1) { transform: translate(-50%, -200%); }
.ring-1 .partner-logo:nth-child(2) { transform: translate(100%, -50%); }
.ring-1 .partner-logo:nth-child(3) { transform: translate(-50%, 100%); }
.ring-1 .partner-logo:nth-child(4) { transform: translate(-200%, -50%); }

/* 第二圈 - 6个logo */
.ring-2 {
    width: 450px;
    height: 450px;
}

.ring-2 .partner-logo {
    width: 80px;
    height: 80px;
}

.ring-2 .partner-logo:nth-child(1) { transform: translate(-50%, -250%); }
.ring-2 .partner-logo:nth-child(2) { transform: translate(75%, -200%); }
.ring-2 .partner-logo:nth-child(3) { transform: translate(150%, -50%); }
.ring-2 .partner-logo:nth-child(4) { transform: translate(75%, 100%); }
.ring-2 .partner-logo:nth-child(5) { transform: translate(-175%, 100%); }
.ring-2 .partner-logo:nth-child(6) { transform: translate(-250%, -50%); }

/* 第三圈 - 8个logo */
.ring-3 {
    width: 600px;
    height: 600px;
}

.ring-3 .partner-logo {
    width: 60px;
    height: 60px;
}

.ring-3 .partner-logo:nth-child(1) { transform: translate(-50%, -300%); }
.ring-3 .partner-logo:nth-child(2) { transform: translate(50%, -250%); }
.ring-3 .partner-logo:nth-child(3) { transform: translate(150%, -150%); }
.ring-3 .partner-logo:nth-child(4) { transform: translate(200%, -50%); }
.ring-3 .partner-logo:nth-child(5) { transform: translate(150%, 50%); }
.ring-3 .partner-logo:nth-child(6) { transform: translate(50%, 150%); }
.ring-3 .partner-logo:nth-child(7) { transform: translate(-150%, 150%); }
.ring-3 .partner-logo:nth-child(8) { transform: translate(-250%, 50%); }
.ring-3 .partner-logo:nth-child(9) { transform: translate(-300%, -50%); }
.ring-3 .partner-logo:nth-child(10) { transform: translate(-250%, -150%); }

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .partner-grid {
        padding: 2rem 0;
    }

    .main-partner {
        width: 150px;
        height: 150px;
    }

    .ring-1, .ring-2, .ring-3 {
        display: none;
    }

    .surrounding-partners {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        position: static;
        margin-top: 2rem;
    }

    .partner-logo {
        position: static;
        width: 60px !important;
        height: 60px !important;
        transform: none !important;
    }
}

/* 联系信息 */
.contact-info {
    text-align: center;
    margin-top: 40px;
    padding: 40px;
    background: var(--background-light);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#map-container {
    width: 100%;
    height: 400px;
    margin-top: 30px;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 背景效果 */
.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 255, 148, 0.1), transparent 50%);
    pointer-events: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav {
        padding: 0 20px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: center;
        padding: 80px 40px;
        transition: right 0.3s ease;
        gap: 20px;
    }

    .nav-list.active {
        right: 0;
    }

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

    .hero-title {
        font-size: 3em;
    }

    .section {
        padding: calc(var(--nav-height) + 20px) 20px 40px;
    }

    .case-study,
    .service-item {
        padding: 30px;
    }

    .quote {
        font-size: 1.2em;
        padding: 20px;
    }
}

@media screen and (max-width: 1024px) {
    .hero-title {
        font-size: 2.2em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    .logo {
        max-width: 500px;
    }
}

@media screen and (max-width: 768px) {
    .hero-title {
        font-size: 1.8em;
    }

    .hero-subtitle {
        font-size: 1em;
    }

    .logo {
        max-width: 400px;
    }

    .flex-container {
        flex-direction: column;
        gap: 20px;
    }

    .image-placeholder {
        flex: 0 0 200px;
        width: 100%;
        min-height: 200px;
        order: -1;
    }

    .content-area {
        flex: 0 0 100%;
        width: 100%;
    }

    .who-section .flex-container {
        flex-direction: column-reverse;
    }

    .who-section .image-placeholder {
        order: 0;
    }

    .section-content {
        padding: 0 20px;
    }

    .nav {
        padding: 0 15px;
    }

    .nav-list {
        display: none;
    }

    .nav-toggle {
        display: block;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.5em;
    }

    .hero-subtitle {
        font-size: 0.9em;
    }

    .logo {
        max-width: 300px;
    }

    .section-title {
        font-size: 2em;
    }

    .case-title {
        font-size: 1.6em;
    }

    .service-title {
        font-size: 1.2em;
    }

    .bullet-list li {
        font-size: 0.9em;
    }
}

/* 导航栏响应式 */
@media screen and (max-width: 768px) {
    .nav-list.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        padding: 20px;
        gap: 20px;
    }
}

/* 动画效果 */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    animation: fadeUp 0.6s ease forwards;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* 文本对齐 */
.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* 不换行文本 */
.nowrap {
    white-space: nowrap;
    display: inline-block;
}

/* 下划线 */
.underline {
    border-bottom: 2px solid var(--text-color);
    padding-bottom: 2px;
}

/* 弹性布局容器 */
.flex-container {
    display: flex;
    gap: 40px;
    align-items: center;
    margin: 40px 0;
}

/* 图片占位区 */
.image-placeholder {
    flex: 0 0 40%;
    min-height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

/* 内容区域 */
.content-area {
    flex: 0 0 55%;
}

/* 各个区块样式 */
.promise-section,
.who-section,
.why-section {
    margin: 80px 0;
}

/* 承诺部分样式 */
.promise-content {
    margin-top: 20px;
}

.promise-text {
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.highlight {
    color: var(--accent-color);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .mobile-menu-icon {
        display: block;
    }

    .nav-list {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: 2rem;
        z-index: 999;
        transition: right 0.3s ease;
    }

    .nav-list.active {
        right: 0;
    }

    .nav-item {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-list.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-item:nth-child(1) { transition-delay: 0.1s; }
    .nav-item:nth-child(2) { transition-delay: 0.2s; }
    .nav-item:nth-child(3) { transition-delay: 0.3s; }
    .nav-item:nth-child(4) { transition-delay: 0.4s; }
    .nav-item:nth-child(5) { transition-delay: 0.5s; }
    .nav-item:nth-child(6) { transition-delay: 0.6s; }

    .title-section {
        margin-top: 10vh;
    }

    .promise-text {
        font-size: 1em;
        text-align: left;
    }
}

@media screen and (max-width: 480px) {
    .mobile-menu-icon {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
    }

    .title-section {
        margin-top: 8vh;
    }
}

/* 服务网格布局 */
.service-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.service-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.service-item {
    flex: 1;
    background: var(--background-light);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    aspect-ratio: 1/1;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-item h3 {
    color: var(--accent-color-2);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-item p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* 移动端优化 */
@media screen and (max-width: 768px) {
    .service-grid {
        gap: 1rem;
        padding: 0 0.5rem;
    }
    
    .service-row {
        display: flex;
        gap: 0.5rem;
    }
    
    .service-item {
        padding: 1rem;
    }
    
    .service-item h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .service-item p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

/* 移动端优化 */
@media screen and (max-width: 768px) {
    /* 导航栏优化 */
    .nav {
        height: var(--nav-height);
        padding: 0 15px;
    }

    .nav-brand {
        font-size: 1.2em;
    }

    /* 标题优化 */
    .hero-title {
        font-size: 1.5em;
        padding: 0 15px;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 1em;
        padding: 0 20px;
        line-height: 1.4;
    }

    /* 服务项布局优化 */
    .service-grid {
        padding: 0 15px;
    }

    .service-item {
        padding: 20px;
        margin-bottom: 15px;
    }

    .service-item h3 {
        font-size: 1.2em;
        margin-bottom: 10px;
    }

    .service-item p {
        font-size: 0.9em;
        line-height: 1.5;
    }

    /* 合作伙伴布局优化 */
    .partner-grid {
        padding: 30px 15px;
    }

    .main-partner {
        width: 120px;
        height: 120px;
    }

    .partner-logo {
        width: 50px !important;
        height: 50px !important;
        margin: 10px;
    }

    /* 增长方法论部分优化 */
    .growth-header {
        margin-bottom: 2rem;
    }

    .growth-title {
        font-size: 1.2em;
        padding: 15px;
        margin: -3rem auto 1rem;
        line-height: 1.3;
    }

    .neon-outline {
        border: 2px solid var(--accent-color);
        box-shadow: 
            0 0 5px var(--accent-color),
            0 0 10px var(--accent-color),
            0 0 20px var(--accent-color),
            inset 0 0 5px var(--accent-color),
            inset 0 0 10px var(--accent-color);
    }

    .growth-content {
        padding: 0 20px;
    }

    .growth-list li {
        font-size: 0.9em;
        margin-bottom: 15px;
        line-height: 1.5;
    }
}

/* 更新所有原来的绿色元素为新的配色 */
.nav-item a::after {
    background-color: var(--accent-color);
}

.case-subtitle {
    color: var(--accent-color);
}

.bullet-list li:before {
    color: var(--accent-color-2);
}

.service-item:hover {
    border-color: var(--accent-color);
}

.main-logo {
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.3));
}

.highlight {
    color: var(--accent-color);
}

.service-item h3 {
    color: var(--accent-color-2);
}

/* 动画效果优化 */
@keyframes neonPulse {
    0% { opacity: 0.3; border-color: var(--accent-color); }
    50% { opacity: 0.5; border-color: var(--accent-color-2); }
    100% { opacity: 0.3; border-color: var(--accent-color); }
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
}

/* 超小屏幕优化 */
@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.3em;
    }

    .hero-subtitle {
        font-size: 0.9em;
    }

    .section-title {
        font-size: 1.4em;
        padding: 0 15px;
    }

    .service-item h3 {
        font-size: 1.1em;
    }

    .service-item p {
        font-size: 0.85em;
    }

    .growth-title {
        font-size: 1em;
    }

    .partner-logo {
        width: 40px !important;
        height: 40px !important;
    }
}

/* 修复移动端滚动问题 */
.section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    z-index: 1;
}

.section-content {
    position: relative;
    z-index: 2;
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
    overflow: visible;
}

@media screen and (max-width: 768px) {
    .section-content {
        padding: 60px 15px;
    }
}