/* 主样式文件 */

:root {
    --primary-color: #E74C3C;
    --bg-light: #F5F1E8;
    --text-dark: #333333;
    --text-gray: #666666;
    --black: #000000;
    --white: #FFFFFF;
    --container-width: 1200px; /* 默认中屏宽度 */
    --container-narrow: 900px; /* 窄容器（用于文字内容） */
}

/* 响应式容器宽度 */
@media (min-width: 1600px) {
    :root {
        --container-width: 80vw; /* 大屏宽度 */
        --container-narrow: 70vw; /* 大屏窄容器 */
    }
}

@media (max-width: 1599px) and (min-width: 1200px) {
    :root {
        --container-width: 1200px; /* 中屏宽度 */
        --container-narrow: 900px; /* 中屏窄容器 */
    }
}

@media (max-width: 1199px) {
    :root {
        --container-width: 100%; /* 小屏全宽 */
        --container-narrow: 100%; /* 小屏全宽 */
    }
}

/* 导航栏 */
.header {
    background-color: var(--bg-light);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.logo {
    width: 80px;
    height: 50px;
    /* border: 2px solid var(--text-dark); */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    margin-right: 100px;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-item {
    padding: 8px 20px;
    transition: all 0.3s;
}

.nav-item.active {
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    color: var(--primary-color);
}

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

/* Hero区域 */
.hero-section {
    background-color: var(--bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 20px);
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    height: 60%;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

/* 按钮包装器 */
.button-wrapper {
    display: inline-block;
    position: relative;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 50px;
    border: 3px solid var(--text-dark);
    background-color: var(--bg-light);
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
    z-index: 2;
}

.button-shadow {
    position: absolute;
    top: 8px;
    left: 8px;
    right: -8px;
    bottom: -8px;
    background-color: var(--black);
    z-index: 1;
    transition: all 0.3s;
}

.button-wrapper:hover .cta-button {
    transform: translate(4px, 4px);
}

.button-wrapper:hover .button-shadow {
    top: 4px;
    left: 4px;
    right: -4px;
    bottom: -4px;
}

.hero-image {
    position: relative;
    height: 100%;
}


.hero-image-bg {
    width: 369px;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
    background-color: var(--primary-color);
}
.hero-image-bg-line {
    border: 1px solid #fff;
    width: 80%;
    height: 90%;
    position: absolute;
    top: 5%;
    left: 8%;
}
.hero-image-bg-black {
    background-color: #000;
    width: 60%;
    height: 88%;
    position: absolute;
    right: 3%;
    bottom: 0;

}

.hero-image img {
    position: absolute;
    z-index: 1;
    width: 100%;
    object-fit: cover;
    bottom: 0;
}

/* 业务流程区 */
.process-section {
    background-color: var(--black);
    padding: 60px 0;
}

.process-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;
}

.process-item {
    display: flex;
    align-items: center;
    gap: 40px;
}

.process-circle {
    width: 100px;
    height: 100px;
    border: 3px solid var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    font-weight: bold;
}

.process-arrow {
    width: 40px;
    height: 2px;
    background-color: var(--white);
}

/* 关于我们区 */
.about-section {
    background-color: var(--white);
    padding: 100px 0 60px;
}

.about-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 460px;
    height: 190px;
    background-color: #FF6B35;
    z-index: 0;
}

.about-image img {
    width: 100%;
    min-height: 400px;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #e0e0e0 0%, #f0f0f0 100%);
    object-fit: cover;
}

.about-label {
    color: #FF6B35 !important;
    font-size: 12px;
    letter-spacing: 3px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.about-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
    font-weight: bold;
}

.about-content p {
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 15px;
}

.about-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 14px 40px;
    border: 3px solid var(--text-dark);
    background-color: var(--white);
    font-size: 16px;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
    z-index: 2;
}

.about-content .button-shadow {
    position: absolute;
    top: 30px;
    left: 6px;
    right: -6px;
    bottom: -6px;
    background-color: var(--black);
    z-index: 1;
    transition: all 0.3s;
}

.about-content .button-wrapper:hover .about-button {
    transform: translate(3px, 3px);
}

.about-content .button-wrapper:hover .button-shadow {
    top: 3px;
    left: 3px;
    right: -3px;
    bottom: -3px;
}

/* 业务板块介绍区 */
.services-section {
    background-color: var(--white);
    padding: 60px 0 100px;
}

.services-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.services-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 50px;
}

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

.service-card {
    padding: 50px 35px;
    border: 1px solid #ddd;
    transition: all 0.3s;
    position: relative;
}

.service-card.white {
    background-color: var(--white);
}

.service-card.blue {
    background-color: #4D5FFF;
    color: var(--white);
    border: none;
}

.service-card.dark {
    background-color: #1a1a1a;
    color: var(--white);
    border: none;
}

.service-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 25px;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
}

.service-card p {
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 16px;
}

.service-card.white p {
    color: var(--text-gray);
}

.service-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    border: 2px solid var(--text-dark);
    background-color: var(--white);
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
    z-index: 2;
}

.service-card .button-shadow {
    position: absolute;
    top: 4px;
    left: 4px;
    right: -4px;
    bottom: -4px;
    background-color: var(--black);
    z-index: 1;
    transition: all 0.3s;
}

.service-card.blue .service-button {
    border-color: var(--white);
    background-color: var(--white);
    color: var(--text-dark);
}

.service-card.blue .button-shadow {
    background-color: rgba(0, 0, 0, 0.3);
}

.service-card.dark .service-button {
    border-color: var(--primary-color);
    background-color: var(--white);
    color: var(--text-dark);
}

.service-card.dark .button-shadow {
    background-color: var(--primary-color);
}

.service-card .button-wrapper:hover .service-button {
    transform: translate(2px, 2px);
}

.service-card .button-wrapper:hover .button-shadow {
    top: 2px;
    left: 2px;
    right: -2px;
    bottom: -2px;
}

/* 页脚 */
.footer {
    background-color: #2a2a2a;
    background-image: url('../images/footer_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 0;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-top {
    padding: 40px 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-slogan {
    font-size: 18px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 40px 20px;
    gap: 60px;
}

.footer-left {
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-box {
    width: 60px;
    height: 40px;
    border: 2px solid var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}
.footer-logo-img {
    width: 50px;
}
.company-name {
    font-size: 16px;
    font-weight: bold;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 14px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.contact-item .icon {
    font-size: 16px;
}

.footer-right {
    flex-shrink: 0;
}

.qrcode-box {
    width: 140px;
    height: 140px;
    background-color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.qrcode-placeholder {
    width: 100%;
    height: 100%;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.qrcode-placeholder p {
    color: #999;
    font-size: 12px;
    text-align: center;
}

.footer-bottom {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

/* 服务能力区 */
.capabilities-section {
    background-color: var(--black);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.capabilities-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-color: #5B5FFF;
    z-index: 0;
}

.capabilities-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.capabilities-label {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 15px;
}

.capabilities-title {
    color: var(--white);
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 60px;
    max-width: 600px;
}

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

.capability-card {
    padding: 45px 35px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.capability-card.black {
    background-color: var(--black);
}

.capability-card.red {
    background-color: #FF5757;
}

.capability-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.4);
}

.capability-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 25px;
}

.capability-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.capability-card h3 {
    color: var(--white);
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.4;
}

.capability-card p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    font-size: 14px;
}

/* 案例展示区 */
.cases-section {
    background-color: var(--bg-light);
    padding: 0;
    overflow: hidden;
}

.cases-stats {
    background-color: var(--bg-light);
    display: flex;
    justify-content: space-around;
    gap: 120px;
    padding: 60px 20px;
    border-bottom: 1px solid #ddd;
}

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

.stat-item h3 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    color: var(--text-gray);
}

.cases-container {
    height: 700px;
    display: flex;
    justify-content: center;
    background-color: #fff;
}

.cases-content {
    background-color: var(--white);
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 50px;
    width: 40vw;
}

.case-category h3 {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 15px;
}

.case-category p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 14px;
}

.cases-phones {
    background-color: var(--white);
    display: flex;
    gap: 15px;
    padding: 40px 20px;
    overflow: hidden;
    position: relative;
    width: 43vw;
}

.phone-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
    animation: scrollUp var(--scroll-speed, 30s) linear infinite;
}

.phone-column:nth-child(2) {
    animation-direction: reverse;
}

.phone-column:nth-child(4) {
    animation-direction: reverse;
}

@keyframes scrollUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.phone-item {
    width: 180px;
    height: 360px;
    flex-shrink: 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.phone-item.dark {
    background: linear-gradient(135deg, #333 0%, #555 100%);
}

.phone-item::before {
    content: attr(data-placeholder);
    color: #999;
    font-size: 14px;
    font-weight: bold;
}

.phone-item.dark::before {
    color: #fff;
}

.phone-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* 为了实现无限循环，复制内容 */
.phone-column::after {
    content: '';
    display: block;
}

/* 项目案例页面 */
.projects-hero {
    background-color: var(--white);
    padding: 60px 0 0;
}

.projects-hero-container {
    margin: 0 auto;
    padding: 0 20px;
}

.projects-hero-content {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: left;
}

.projects-hero-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.title-underline {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.projects-hero-desc {
    color: var(--text-gray);
    line-height: 1.9;
    font-size: 15px;
    margin-top: 30px;
}

.projects-hero-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.projects-hero-image img {
    width: 100vw;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #e8e8e8 0%, #f5f5f5 100%);
}

/* 项目展示主区域 */
.projects-main {
    background-color: #fafafa;
    padding: 60px 0 80px;
}

.projects-main-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

/* 左侧案例内容 */
.projects-content {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
}

.project-item {
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid #e0e0e0;
}

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

.project-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-title .bullet {
    color: #FF6B35;
    font-size: 12px;
}

.project-showcase {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.project-phones {
    display: flex;
    gap: 20px;
}

.phone-mockup {
    width: 180px;
    height: 360px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f8f8;
    border-radius: 8px;
    padding: 40px 20px;
    position: relative;
}

.diagram-content {
    position: relative;
    width: 280px;
    height: 280px;
}

.diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.center-icon {
    color: white;
    font-size: 36px;
    font-weight: bold;
}

.diagram-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.diagram-item.top {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.diagram-item.right {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.diagram-item.bottom {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.diagram-item.left {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.item-icon {
    width: 50px;
    height: 50px;
    background: #4D5FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 2px 8px rgba(77, 95, 255, 0.3);
}

.diagram-item span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.diagram-item::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, #4D5FFF, transparent);
}

.diagram-item.top::before {
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
}

.diagram-item.right::before {
    top: 50%;
    right: 60px;
    width: 60px;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(to left, #4D5FFF, transparent);
}

.diagram-item.bottom::before {
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(to top, #4D5FFF, transparent);
}

.diagram-item.left::before {
    top: 50%;
    left: 60px;
    width: 60px;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(to right, #4D5FFF, transparent);
}

.project-features {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    padding: 30px 0;
    border-radius: 12px;
    align-items: center;
}

.feature-arrow {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
    gap: 6px;
}

.feature-arrow img {
    width: 28px;
    height: auto;
    object-fit: contain;
}

.feature-arrow img:nth-child(1) {
    opacity: 0.3;
}

.feature-arrow img:nth-child(2) {
    opacity: 0.6;
}

.feature-arrow img:nth-child(3) {
    opacity: 1;
}
.feature-section {
    height: 100%;
    padding: 40px 20px;
    background: #f5f7fa;
}
.feature-section h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
}

.feature-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #4D5FFF;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    transition: all 0.3s;
    color: var(--text-dark);
}
.feature-item  span {
    margin-top: 10px;
}


.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.feature-icon {
    font-size: 24px;
}
.feature-item-imgbox {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 6px;
}
.feature-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
}

.feature-list-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background-color: #fff;
    padding: 20px;
}

.feature-list-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
}

.feature-list-col li {
    line-height: 2;
    color: var(--text-dark);
}

.feature-list-col li::before {
    content: '● ';
    color: #4D5FFF;
    font-weight: bold;
    font-size: 10px;
}

.project-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-block h5 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.detail-content {
    background-color: #f5f7fa;
    border-radius: 8px;
    padding: 20px;
}

.detail-block p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 12px;
}

.detail-block p:last-child {
    margin-bottom: 0;
}

.detail-block p strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* 优点标签 - 红色 */
.detail-block p.advantage strong {
    color: #E74C3C;
}

/* 缺点标签 - 绿色 */
.detail-block p.disadvantage strong {
    color: #27AE60;
}

.more-projects {
    text-align: center;
    padding: 40px 0;
    color: #999;
}

/* 右侧固定侧边栏 */
.projects-sidebar {
    position: sticky;
    top: 100px;
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
}

.sidebar-section {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 14px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--primary-color);
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-item {
    padding: 8px 15px;
    background: #f5f5f5;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.category-item.active {
    background: #fff5f3;
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.category-item:hover {
    background: #fff5f3;
    color: var(--primary-color);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: #5B5FFF;
    color: var(--white);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
    text-align: left;
}

.download-btn:hover {
    background: #4a4ecc;
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 18px;
}

.contact-info-sidebar {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item-sidebar {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
}

.contact-item-sidebar .icon {
    font-size: 18px;
}

/* 用户分销平台样式 */
.project-showcase-full {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.distribution-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.distribution-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.distribution-icon {
    width: 50px;
    height: 50px;
    background: #4D5FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 5px;
}

.distribution-item h5 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
}

.distribution-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.distribution-phones {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 跨境电子商务样式 */
.project-showcase-cross {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    align-items: center;
}

.cross-border-phones {
    display: flex;
    gap: 20px;
}

.cross-border-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cross-border-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.cross-border-icon {
    width: 60px;
    height: 60px;
    background: #4D5FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.cross-border-text h5 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.cross-border-text p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* 会员体系架构样式 */
.project-showcase-membership {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
}

.membership-diagram {
    display: flex;
    justify-content: center;
    padding: 40px;
}

.membership-structure {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.membership-circle {
    position: relative;
    width: 320px;
    height: 320px;
}

.circle-outer {
    position: relative;
    width: 100%;
    height: 100%;
    border: 2px dashed #ccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle-inner {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #FFE5D9 0%, #FFD4C4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.heart-icon {
    font-size: 48px;
}

.circle-point {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.circle-point.top-left {
    top: 20px;
    left: 20px;
}

.circle-point.top-right {
    top: 20px;
    right: 20px;
}

.circle-point.bottom {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.point-dot {
    width: 12px;
    height: 12px;
    background: #4D5FFF;
    border-radius: 50%;
    display: block;
}

.point-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    white-space: nowrap;
}

.arrow-down {
    font-size: 20px;
    color: #4D5FFF;
}

.membership-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.membership-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: #f8f8f8;
    border-radius: 8px;
}

.feature-icon-small {
    font-size: 24px;
}

.membership-feature-item span:last-child {
    font-size: 14px;
    color: var(--text-dark);
}

.membership-phones {
    display: flex;
    gap: 20px;
}

/* 跨境免税/旅行小程序样式 */
.project-showcase-travel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
}

.travel-flow {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
}

.flow-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: #f8f8f8;
    border-radius: 8px;
    border-left: 4px solid #4D5FFF;
}

.flow-logo {
    width: 120px;
    height: 60px;
    margin-bottom: 10px;
}

.flow-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-placeholder {
    width: 100%;
    height: 100%;
    background: #333;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    text-align: center;
    border-radius: 4px;
}

.flow-item h5 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
}

.flow-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.flow-arrow {
    text-align: center;
    font-size: 24px;
    color: #4D5FFF;
    padding: 10px 0;
}

.travel-phones {
    display: flex;
    gap: 20px;
}

/* 线上线下活动触达样式 */
.project-subtitle {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.activity-types {
    margin-bottom: 40px;
}

.activity-banner {
    background: linear-gradient(135deg, #4D5FFF 0%, #3D4FEF 100%);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 30px;
    color: white;
}

.banner-left,
.banner-right {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.banner-left h4,
.banner-right h4 {
    font-size: 24px;
    font-weight: bold;
    color: white;
}

.arrow {
    font-size: 28px;
    font-weight: bold;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    flex: 1;
}

.activity-type-item {
    background: white;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-dark);
}

.activity-type-item .emoji {
    font-size: 28px;
}

.activity-examples {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.activity-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.activity-example {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

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

.activity-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.activity-feature-block {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-icon-circle {
    width: 50px;
    height: 50px;
    background: #4D5FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.feature-text-block h5 {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.feature-text-block p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 游戏与建模样式 */
.game-section {
    margin-bottom: 50px;
}

.virtual-showroom {
    background: #000;
    border-radius: 16px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.showroom-main {
    display: flex;
    justify-content: center;
}

.phone-mockup.large {
    width: 220px;
    height: 440px;
}

.showroom-divider {
    color: #999;
    font-size: 14px;
    text-align: center;
    padding: 10px 0;
}

.showroom-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 600px;
}

.gallery-item {
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    background: #1a1a1a;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mini-games {
    padding: 20px 0;
}

.mini-games-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: 20px;
    align-items: start;
}

.game-item {
    border-radius: 12px;
    overflow: hidden;
    background: #f0f0f0;
    position: relative;
}

.game-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.game-item.vertical {
    width: 120px;
    height: 240px;
}

.game-item.horizontal {
    width: 280px;
    height: 180px;
}

.game-item.large-horizontal {
    width: 380px;
    height: 240px;
    grid-column: 2 / 3;
    grid-row: 2 / 3;
}

.game-item.vertical:first-child {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}

.game-item.horizontal {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.game-item.vertical:last-child {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
}

.game-label {
    position: absolute;
    bottom: 15px;
    left: 15px;
    color: white;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}

/* AI应用样式 */
.ai-showcase {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 50px;
    align-items: center;
}

.ai-phones {
    display: flex;
    gap: 20px;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.ai-feature-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 25px;
    background: #f8f8f8;
    border-radius: 12px;
    transition: all 0.3s;
}

.ai-feature-card:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ai-icon {
    width: 60px;
    height: 60px;
    background: #4D5FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.ai-feature-card h5 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.ai-feature-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* 关于我们页面样式 */
.about-capability {
    background-color: var(--bg-light);
    padding: 80px 0;
}

.about-capability-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.capability-content {
    max-width: 500px;
}

.capability-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.title-underline-short {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100px;
    height: 3px;
    background-color: var(--primary-color);
}

.capability-desc {
    color: var(--text-gray);
    line-height: 1.9;
    font-size: 15px;
    margin-top: 30px;
}

.capability-image {
    position: relative;
}

.capability-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    position: relative;
    z-index: 1;
}

.image-decoration {
    position: absolute;
    bottom: -40px;
    right: -30px;
    width: 90%;
    height: 90%;
    background-color: #FF6B35;
    z-index: 0;
    border-radius: 2px;
}
.image-decoration-line {
    position: absolute;
    bottom: -3%;
    left: -20px;
    width: 86%;
    height: 90%;
    z-index: 0;
    border: 2px solid #000;
    border-radius: 2px;
}

/* 能力卡片网格 */
.about-capabilities-grid {
    background-color: var(--white);
    padding: 80px 0;
}

.capabilities-grid-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 140px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.capability-card-item {
    padding: 40px 30px;
    border-radius: 8px;
    transition: all 0.3s;
}

.capability-card-item.black {
    background-color: #1a1a1a;
    color: var(--white);
}

.capability-card-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.capability-card-item h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--white);
}

.capability-card-item p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

/* 工作原则/方法论区样式 */
.methodology-section {
    background-color: var(--white);
    padding: 80px 0;
}

.methodology-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 140px;
}

.methodology-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.methodology-title .title-underline {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

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

.methodology-image {
    width: 100%;
    height: 350px;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(135deg, #e8e8e8 0%, #f5f5f5 100%);
}

.methodology-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.methodology-text {
    padding: 20px 0;
}

.methodology-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 2;
}

/* 联系我们页面样式 */
.contact-section {
    background-color: var(--bg-light);
    padding: 100px 0 120px;
}

.contact-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.contact-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.contact-title .title-underline {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.contact-description {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 2;
    margin-bottom: 80px;
    max-width: 800px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 30px;
    background: #f8f8f8;
    border-radius: 12px;
    transition: all 0.3s;
}

.contact-detail-item:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.detail-icon {
    font-size: 36px;
    flex-shrink: 0;
}

.detail-content h3 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.detail-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.2;
}

/* 联系信息卡片区域 */
.contact-info-cards {
    background-color: var(--white);
    padding: 60px 0;
}

.contact-info-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
}

.info-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.info-icon {
    width: 80px;
    height: 80px;
    background-color: var(--white);
    border: 2px solid var(--text-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.info-icon-shadow {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 80px;
    height: 80px;
    background-color: var(--black);
    border-radius: 8px;
    z-index: 1;
}

.info-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.info-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-dark);
}

.info-content {
    flex: 1;
}

.info-content h3 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.info-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.work-time {
    color: var(--text-gray);
    font-size: 14px;
}

.qr-codes {
    display: flex;
    gap: 15px;
    margin-top: -14px;
}

.qr-code-item {
    width: 70px;
    height: 70px;
}

.qr-code-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.qr-placeholder-small {
    width: 100%;
    height: 100%;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #999;
}

/* 联系表单与地图区域 */
.contact-form-section {
    background-color: var(--white);
    padding: 0 0 80px;
}

.contact-form-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.form-wrapper {
    background: linear-gradient(135deg, #5B5FFF 0%, #4D4FEF 100%);
    padding: 60px 50px;
    color: var(--white);
}

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

.form-header h2 {
    font-size: 16px;
    font-weight: normal;
    margin-bottom: 15px;
    letter-spacing: 2px;
    opacity: 0.9;
}

.form-header h3 {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--white);
}

.form-header p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: var(--white);
    font-size: 14px;
    transition: all 0.3s;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.form-submit {
    padding: 15px 40px;
    background-color: var(--white);
    color: #4D5FFF;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    align-self: flex-start;
    margin-top: 10px;
}

.form-submit:hover {
    background-color: #f5f5f5;
    transform: translateX(5px);
}

.map-wrapper {
    background-color: #1a1a1a;
    position: relative;
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: #666;
    font-size: 14px;
}

.map-placeholder p {
    font-size: 18px;
    font-weight: bold;
    color: #888;
}

.map-placeholder span {
    font-size: 13px;
    color: #666;
}

/* 联系图片区域 */
.contact-image-section {
    background-color: var(--white);
    padding: 60px 80px;
}

.contact-image-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-main-image {
    width: 100%;
    max-width: 1480px;
    height: auto;
    display: block;
    object-fit: contain;
}

/* 项目案例图片列表 */
.projects-images-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    min-height: 400px;
}

.project-image-item {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--white);
    /* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); */
    transition: all 0.3s;
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.project-image-item:nth-child(1) { animation-delay: 0.1s; }
.project-image-item:nth-child(2) { animation-delay: 0.15s; }
.project-image-item:nth-child(3) { animation-delay: 0.2s; }
.project-image-item:nth-child(4) { animation-delay: 0.25s; }
.project-image-item:nth-child(5) { animation-delay: 0.3s; }
.project-image-item:nth-child(n+6) { animation-delay: 0.35s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-image-item:hover {
    transform: translateY(-3px);
    /* box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12); */
}

.project-image-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}