* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: 'PingFang SC';
    src: url('../fonts/PingFang.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Douyin';
    src: url('../fonts/douyin.otf') format('opentype');
    font-weight: bold;
    font-style: normal;
}

body {
    font-family: "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    height: 64px;
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    margin-right: 48px;
}

.logo img {
    height: 28px;
}

.nav {
    display: flex;
    gap: 48px;
    flex: 1;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #6366f1;
}

.login-btn {
    padding: 9px 26px;
    background: linear-gradient(to right, #7F4AFF, #2A51FF);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: opacity 0.3s;
}

.login-btn:hover {
    opacity: 0.9;
}

/* Hero Section */
.hero {
    width: 100%;
    min-height: 860px;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero-slider {
    width: 100%;
    height: 860px;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-width: 1280px;
    width: 100%;
    padding: 0 40px;
    z-index: 2;
}

.hero-title {
    font-size: 64px;
    font-weight: 400;
    color: #2A1166;
    margin-bottom: 8px;
    letter-spacing: 2px;
    font-family: 'Douyin', "PingFang SC", sans-serif;
}

.hero-subtitle {
    font-size: 64px;
    font-weight: 600;
    color: #2A1166;
    margin-bottom:22px;
    line-height: 1.2;
    font-family: 'Douyin', "PingFang SC", sans-serif;
}

.hero-desc {
    font-size: 24px;
    font-weight: 400;
    color: rgba(23,26,29,0.6);
    margin-bottom: 112px;
}

.hero-btn {
    padding: 10px 21px;
    background: linear-gradient( 85deg, #7F4AFF 0%, #2A51FF 100%);
box-shadow: inset 0px 1px 3px 0px rgba(255,238,238,0.5);
border-radius: 8px;
    color: white;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.3s;
    
}

.hero-btn:hover {
    background: linear-gradient(to right, #7F4AFF, #2A51FF);
    opacity: 1;
}

.hero-dots {
    position: absolute;
    bottom: 51px;
    left: 50%;
    display: flex;
    gap: 12px;
    z-index: 3;
    margin-left: -618px;
    padding-left: 20px;
}

.dot {
    width: 60px;
    height: 6px;
    background: rgba(23,26,29,0.24);
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
background: linear-gradient( 85deg, #7F4AFF 0%, #2A51FF 100%);
box-shadow: inset 0px 1px 3px 0px rgba(255,238,238,0.5);
border-radius: 3px;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: #fff;
    position: relative;
    background-image: url('../images/aibg.png');
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: 1920px auto;
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 80px;
    color: #1e1e1e;
    font-family: 'Douyin', "PingFang SC", sans-serif;
    position: relative;
    z-index: 999;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: rgba(23,26,29,0.6);
    margin-bottom: 16px;
    font-weight: 400;
    position: relative;
    z-index: 999;
}

.section-desc {
    text-align: center;
    font-size: 24px;
    color: rgba(23,26,29,0.6);
    margin-top: -72px;
    margin-bottom: 60px;
    font-weight: 400;
    position: relative;
    z-index: 10;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1280px;
    margin: 0 auto 60px;
}

.stats-card {
    background: transparent;
    border-radius: 16px;
    padding: 43px;
    text-align: left;
    height: 360px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.stats-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #171A1D;
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
}

.stats-card p {
    font-size: 16px;
    color: rgba(23,26,29,0.6);
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.stats-card-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.stats-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 16px;
}

.stats-data {
    position: relative;
    width: 1920px;
    max-width: 100%;
    margin: 0 auto;
    min-height: 500px;
}

.stats-numbers {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 268px);
    column-gap: 60px;
    row-gap: 88px;
    padding: 40px 0;
    justify-content: start;
    max-width: 790px;
}

.stats-numbers::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: calc(40px + 48px + 4px + 16px + 40px);
    height: 1px;
    background: rgba(121, 105, 255, 0.2);
    z-index: 1;
}

.stats-numbers::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: calc(40px + (48px + 4px + 16px + 40px) * 2 + 60px);
    height: 1px;
    background: rgba(121, 105, 255, 0.2);
    z-index: 1;
}

.stats-col {
    display: contents;
}

.stats-number-item {
    text-align: left;
    width: 268px;
    padding-bottom: 0;
    padding-top: 0;
    border-bottom: none;
    position: relative;
    z-index: 2;
}

.stats-number-item:nth-child(n+7) {
    padding-bottom: 0;
    border-bottom: none;
}

.stats-number {
    font-size: 48px;
    line-height: 48px;
    font-weight: 700;
    color: #7F4AFF;
    margin-bottom: 4px;
    font-family: 'Douyin', "PingFang SC", sans-serif;
}

.stats-label {
    font-size: 16px;
    color: #666;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 16px;
    color: #666;
}

/* Services Section */
.services-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.service-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 60%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid white;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon img {
    width: 50px;
    height: 50px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e1e1e;
}

.service-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Features Section */
.features-section {
    width: 100%;
    padding: 100px 0;
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    position: relative;
}

.features-visual {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.features-visual img {
    width: 100%;
    height: auto;
}

.features-cards {
    max-width: 1280px;
    margin: -80px auto 0;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.feature-number {
    font-size: 48px;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e1e1e;
}

.feature-card p {
    font-size: 14px;
    color: #666;
}

/* Platform Section */
.platform-section {
    padding: 100px 0;
    background: #fff;
}

.platform-content {
    max-width: 1280px;
    margin: 0 auto;
}

.platform-visual {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
}

.platform-visual img {
    width: 100%;
    height: auto;
    display: block;
}

/* Solutions Section */
.solutions-section {
    padding: 100px 0 100px;
    background: url('../images/hangyebg.png') center center / cover no-repeat;
}

.solutions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto 81px;
}

.solutions-header .section-title {
    margin-bottom: 0;
}

.solutions-nav {
    display: flex;
    gap: 20px;
    margin-right:15px;
}

.solution-nav-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fbf6fb;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    padding: 0;
}

.solution-nav-arrow img {
    width: 40px;
    height: 40px;
    display: block;
}

.solution-nav-arrow:hover {
    background: white;
    border-color: #ccc;
    transform: scale(1.05);
}

.solutions-content-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    overflow: visible;
}

.solutions-content {
    display: flex;
    gap: 21px;
}

.solution-card {
    flex: 0 0 304px;
    min-width: 304px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.solution-card-large {
    flex: 0 0 628px;
    min-width: 628px;
    position: relative;
    background: none;
}

.solution-card-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 50px 50px 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
}

.solution-overlay > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.solution-overlay h3 {
    font-family: 'Douyin', sans-serif;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 0;
    color: white;
}

.solution-overlay p {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 0;
    color: white;
    max-width: 500px;
}

.solution-content {
    padding: 50px 50px 60px 50px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.solution-content h3 {
    font-family: 'Douyin', sans-serif;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e1e1e;
}

.solution-content p {
font-weight: 400;
font-size: 16px;
color: rgba(23,26,29,0.6);
    margin-bottom: 24px;
    flex: 1;
}

.solution-btn,
.solution-btn-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 21px;
    background: transparent;
    box-shadow: inset 0px 1px 3px 0px rgba(255,238,238,0.5);
    border-radius: 8px;
    border: 1px solid #7969FF;
    color: #171A1D;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    align-self: flex-start;
}

.solution-btn-large {
background: linear-gradient( 85deg, #7F4AFF 0%, #2A51FF 100%);
box-shadow: inset 0px 1px 3px 0px rgba(255,238,238,0.5);
border-radius: 8px;
color: white;
}

.solution-btn:hover {
    background: #7F4AFF;
    color: white;
}

.solution-btn:hover .btn-arrow {
    filter: brightness(0) invert(1);
}

.solution-btn-large:hover {
    background: white;
    color: #7F4AFF;
}

.solution-btn-large:hover .btn-arrow {
    filter: none;
}

.solution-btn .btn-arrow,
.solution-btn-large .btn-arrow {
    width: 14px;
    height: 12px;
}

.solution-btn-large .btn-arrow {
    filter: brightness(0) invert(1);
}

.solution-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: white;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 2;
    padding: 0;
}

.solution-arrow img {
    width: 20px;
    height: 20px;
    display: block;
}

.solution-arrow:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.solution-arrow-left {
    left: -78px;
}

.solution-arrow-right {
    right: -78px;
}

.solution-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 61px;
}

.solution-dot {
    width: 60px;
    height: 6px;
    background: rgba(23,26,29,0.24);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
}

.solution-dot.active {
    background: linear-gradient( 85deg, #7F4AFF 0%, #2A51FF 100%);
    box-shadow: inset 0px 1px 3px 0px rgba(255,238,238,0.5);
    border-radius: 3px;
}

/* Partners Section */
.partners-section {
    padding: 80px 0 121px;
    background: url('../images/hezuobg.png') center center / cover no-repeat;
    overflow: hidden;
    position: relative;
}

.partners-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 315px;
    background: linear-gradient(to right, #FBFCFF 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

.partners-section::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 315px;
    background: linear-gradient(to left, #FBFCFF 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

.partners-row {
    overflow: hidden;
    margin-bottom: 24px;
    position: relative;
}

.partners-row:last-child {
    margin-bottom: 0;
}

.partners-row-inner {
    display: flex;
    gap: 40px;
    width: fit-content;
}

.partners-row-right .partners-row-inner {
    animation: scrollRight 30s linear infinite;
}

.partners-row-left .partners-row-inner {
    animation: scrollLeft 30s linear infinite;
}

.partner-logo {
    flex-shrink: 0;
    width: 265px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.partner-logo:hover img {
    transform: scale(1.1);
}

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

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

/* News Section */
.news-section {
    padding: 84px 0;
    background: url('../images/newbg.png') center center / cover no-repeat;
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1920px;
    height: 100%;
    background: url('../images/newbg.png') center center / cover no-repeat;
    z-index: 0;
    pointer-events: none;
}

.news-section .container {
    position: relative;
    z-index: 1;
}

.news-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 40px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.news-list {
    background: #fff;
    padding:34px 40px 50px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-list-item {
    cursor: pointer;
    transition: all 0.3s;
    padding: 17px 0;
    border-bottom: 1px solid #e5e5e5;
}

.news-list-item:first-child {
    padding-top: 0;
}

.news-list-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-list-item:hover,
.news-list-item.active {
    padding-left: 16px;
    padding-right: 16px;
    margin-left: -16px;
    margin-right: -16px;
    border-radius: 8px;
}

.news-date {
    font-size: 12px;
    color: #999;
    display: block;
    margin-bottom: 8px;
}

.news-list-title {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 19px;
    font-weight: 600;
    color: #333;
    line-height: 1.5;
    margin: 0;
    transition: color 0.3s;
}

.news-list-item:hover .news-list-title,
.news-list-item.active .news-list-title {
    color: #7F4AFF;
}

.news-featured-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    width: 620px;
    height: 308px;
    margin-top: 52px;
    margin-right: 41px;
}

.news-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-featured-image:hover img {
    transform: scale(1.1);
}

.news-featured-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 100%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
}

.news-featured-overlay h2 {
    font-size: 48px;
    font-weight: 700;
    color: white;
    font-family: 'Douyin', "PingFang SC", sans-serif;
}

.news-slider-wrapper {
    position: relative;
    margin-bottom: 61px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
}

.news-slider {
    display: flex;
    gap: 24px;
    overflow-x: hidden;
    scroll-behavior: smooth;
    padding: 0 2px;
}

.news-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #f3f9ff;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
    padding: 0;
}

.news-arrow img {
    width: 56px;
    height: 56px;
    display: block;
}

.news-arrow:hover {
    background: #f3f9ff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) scale(1.05);
}

.news-arrow-left {
    left: -82px;
}

.news-arrow-right {
    right: -82px;
}

.news-card {
    flex: 0 0 calc((100% - 48px) / 3);
    min-width: calc((100% - 48px) / 3);
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.news-card-image {
    width: 100%;
    height: 176px;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.news-card:hover .news-card-image img {
    transform: scale(1.1);
}

.news-card-content {
    padding: 32px 35px;
}

.news-card-content h3 {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
font-weight: 600;
font-size: 20px;
color: #171A1D;
line-height: 28px;
text-align: left;
font-style: normal;
}

.news-card-date {
    font-size: 12px;
    color: #999;
    display: block;
    margin-bottom: 20px;
}

.news-card-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.more-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 0 auto;
    padding: 10px 28px;
    background: linear-gradient(to right, #7F4AFF, #2A51FF);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.more-btn .btn-arrow {
    width: 14px;
    height: 12px;
    filter: brightness(0) invert(1);
}

.more-btn:hover {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #0a1628 url('../images/bottom.png') no-repeat center center;
    background-size: cover;
    color: #fff;
    padding: 91px 0 64px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 41px;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
    height: 28px;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-social span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.social-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
}

.social-icon img {
    width: 100%;
    height: 100%;
    transition: opacity 0.3s;
}

.social-icon:hover img {
    opacity: 0.8;
}

.footer-content {
    display: flex;
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto 40px;
    align-items: flex-start;
}

.footer-col {
    flex: 1;
}

.footer-qr {
    flex: 0 0 auto;
    margin-left: 65px;
}

.footer-col h4 {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 20px;
    color: #fff;
}

.footer-col-wide {
    flex: 1.5;
}

.footer-col-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 0;
    margin-bottom: 0;
}

.footer-col-extra {
    margin-top: 0;
}

.footer-col-extra ul {
    display: flex;
    gap: 0;
}

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

.footer-col ul li {
    margin-bottom: 0
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 16px;
    line-height:40px;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-qr {
    text-align: center;
}

.qr-code {
    width: 108px;
    height: 108px;
    background: white;
    padding: 0;
    margin: 0 auto 12px;
}

.qr-code img {
    width: 100%;
    height: 100%;
}

.qr-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    text-align: center;
    max-width: 1280px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid,
    .services-grid,
    .features-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-wrap: wrap;
    }
    
    .footer-qr {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 28px;
    }
    
    .stats-grid,
    .services-grid,
    .features-cards,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-qr {
        margin-left: 0;
    }
}


.white-text {
    color: #ffffff !important;
}

/* Challenge Section */
.challenge-section {
    padding: 100px 0 0 0;
}

.section-subtitle {
    text-align: center;
    font-size: 24px;
    color: rgba(23,26,29,0.6);
    margin-top: -72px;
    margin-bottom: 81px;
}

.challenge-scroll-container {
    max-width: 1280px;
    width: 1279px;
    height: 276px;
    margin: 0 auto;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(252,252,252,0.8) 0%, #FBF7FF 100%);
    border-radius: 8px;
    border: 1px solid #F2F2F6;
    padding:32px 43px;
    box-sizing: border-box;
}

.challenge-label {
    font-family: 'Douyin', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 21px;
}

.challenge-row {
    overflow: visible;
    margin-bottom: 34px;
    position: relative;
}

.challenge-row:last-child {
    margin-bottom: 0;
}

.challenge-row-inner {
    display: flex;
    gap: 16px;
    width: fit-content;
}

.challenge-row-left .challenge-row-inner {
    animation: scrollLeft 30s linear infinite;
}

.challenge-row-right .challenge-row-inner {
    animation: scrollRight 30s linear infinite;
}

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

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

.challenge-row:hover .challenge-row-inner {
    animation-play-state: paused;
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    row-gap: 32px;
    max-width: 1280px;
    margin: 0 auto;
}

.challenge-item {
    border-radius: 8px;
    padding: 16px 28px 16px 37px;
    position: relative;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
}

.challenge-item::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 60%;
    transform: translateX(-50%) skewX(15deg);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
}

.challenge-item:hover {
    transform: translateY(-2px);
}

/* 第1个卡片 */
.challenge-item-1 {
    background: linear-gradient(to bottom, #E8E5FB, #F0F0F0);
    height: 52px;
}
.challenge-item-1::after {
    border-top: 12px solid #F0F0F0;
}

/* 第2个卡片 */
.challenge-item-2 {
    background: linear-gradient(to bottom, #F9EFFD, #F0F0F0);
    height: 42px;
}
.challenge-item-2::after {
    border-top: 12px solid #F0F0F0;
}

/* 第3个卡片 */
.challenge-item-3 {
    background: linear-gradient(to bottom, #E5EBFB, #F0F0F0);
    height: 52px;
}
.challenge-item-3::after {
    border-top: 12px solid #F0F0F0;
}

/* 第4个卡片 */
.challenge-item-4 {
    background: linear-gradient(to bottom, #F9EFFD, #F0F0F0);
    height: 42px;
}
.challenge-item-4::after {
    border-top: 12px solid #F0F0F0;
}

/* 第5个卡片 */
.challenge-item-5 {
    background: linear-gradient(to bottom, #E5EBFB, #F0F0F0);
    height: 42px;
}
.challenge-item-5::after {
    border-top: 12px solid #F0F0F0;
}

/* 第6个卡片 */
.challenge-item-6 {
    background: linear-gradient(to bottom, #E8E5FB, #F0F0F0);
    height: 52px;
}
.challenge-item-6::after {
    border-top: 12px solid #F0F0F0;
}

/* 第7个卡片 */
.challenge-item-7 {
    background: linear-gradient(to bottom, #F9EFFD, #F0F0F0);
    height: 42px;
}
.challenge-item-7::after {
    border-top: 12px solid #F0F0F0;
}

/* 第8个卡片 */
.challenge-item-8 {
    background: linear-gradient(to bottom, #E8E5FB, #F0F0F0);
    height: 52px;
}
.challenge-item-8::after {
    border-top: 12px solid #F0F0F0;
}

.challenge-item-large {
    height: 52px;
}

.challenge-item-small {
    height: 52px;
}

.challenge-content {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    width: 100%;
}

.challenge-text {
    font-size: 15px;
    font-weight: 500;
    color: #481B4B;
    white-space: nowrap;
    flex-shrink: 0;
}

.challenge-arrow-icon {
    color: #481B4B;
    font-size: 14px;
    flex-shrink: 0;
}

.challenge-desc {
    font-size: 15px;
    color: #481B4B;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.challenge-corner-arrow {
    display: none;
}


/* Dropdown Menu */
.nav-item {
    position: relative;
}

.nav-item > a {
    text-decoration: none;
    color: #333;
    font-size: 15px;
    transition: color 0.3s;
    position: relative;
    display: inline-block;
    padding-bottom: 0;
    height: 64px;
    display: flex;
    align-items: center;
}

.nav-item > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #5F29E1;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-item:hover > a {
    color: #6366f1;
    text-shadow: 0 0 0.5px currentColor;
}

.nav-item:hover > a::after {
    transform: scaleX(1);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: -61px;
    transform: none;
    padding-top: 11px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
}

.dropdown-content {
    background: white;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    min-width: 800px;
}

.dropdown-single {
    grid-template-columns: 1fr;
    min-width: 210px;
    gap: 16px;
}

.dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    border-radius: 8px;
    transition: background 0.3s;
    cursor: pointer;
}

.dropdown-item:hover .dropdown-text h4 {
    color: #5F29E1;
}

.dropdown-item a:hover {
    color: #5F29E1;
}

.dropdown-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
}

.dropdown-icon img {
    width: 24px;
    height: 24px;
}

.dropdown-text h4 {
    font-size: 16px;
    font-weight: 400;
    color: #333;
    margin-bottom: 4px;
}

.dropdown-text p {
    font-size: 12px;
    color: rgba(23,26,29,0.6);
    line-height: 17px;
}


/* AI Capability Section */
.capability-section {
    padding: 80px 0;
    background: #fff;
    overflow: hidden;
}

.capability-visual {
    position: relative;
    width: 1920px;
    max-width: 100%;
    margin:-190px auto 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.capability-bg {
    width: 1920px;
    height: auto;
    display: block;
}

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

.label {
    position: absolute;
    width: auto;
    height: 50px;
    pointer-events: auto;
    transition: transform 0.3s ease;
}

.label:hover {
    transform: translateY(-10px);
}

.label-1 {
    width: 152px;
    height: 99px;
    top: 42%;
    left: 20%;
}

.label-2 {
    width: 145.79px;
    height: 88.61px;
    top: 42%;
    right: 19%;
}

.label-3 {
    width:147.54px;
    height:102.1px;
    bottom: 13%;
    left: 19%;
}

.label-4 {
    width: 147.54px;
    height:102.1px;
    bottom: 13%;
    right: 18%;
}

/* Strategy Section */
.strategy-section {
    padding: 28px 0 95px;
    background: #fff;
}

/* Strategy Tabs */
.strategy-tabs {
    display: flex;
    justify-content: center;
    gap: 44px;
    margin-bottom: 81px;
}

.strategy-tab {
    padding: 10px 22px;
    background: none;
    border: none;
    border-radius: 24px;
    font-size: 16px;
    color: #6B7280;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

.strategy-tab:hover {
    border-color: #7F4AFF;
    color: #7F4AFF;
}

.strategy-tab.active {
background: #FFFFFF;
border-radius: 21px;
border: 1px solid #B087DB;
font-weight: 500;
font-size: 16px;
color: #171A1D;
line-height: 22px;
text-align: left;
font-style: normal;
}

.strategy-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.strategy-content {
    display: flex;
    gap: 60px;
    align-items: center;
    background: #fff;
    border-radius: 14px;
    border: 1px solid #EDEDEE;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.strategy-left {
    flex: 1;
    max-width: 528px;
    margin: 0 0 0 46px;
}

.strategy-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid #E5E7EB;
}

.strategy-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.strategy-icon-wrapper {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #F5F3FF 0%, #E8F0FF 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.strategy-icon {
    width: 48px;
    height: auto;
}

.strategy-title {
    font-family: 'Douyin', sans-serif;
    font-size: 24px;
    color: #1a1a1a;
    margin: 0;
}

.strategy-subtabs {
    display: flex;
    gap: 8px;
}

.strategy-subtab {
    background: linear-gradient( 95deg, #F2F0FE 0%, #E9F2FE 100%);
    border-radius: 6px;
    padding: 4px 18px;
    border:none;
    font-size: 14px;
    font-weight: 400;
    color: #5F29E1;
    cursor: pointer;
    transition: all 0.3s;
    min-width:95px;
}

.strategy-subtab.active {
    background: linear-gradient(135deg, #E8E5FB 0%, #F0F0F0 100%);
    border-color: rgba(127, 74, 255, 0.2);
    color: #5F29E1;
}

.strategy-subtab:hover {
    border-color: rgba(127, 74, 255, 0.3);
}

.strategy-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom:40px;
}

.strategy-feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.strategy-check {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    display: block;
}

.strategy-feature-content h3 {
margin: 0 0 6px 0;
font-weight: 500;
font-size: 16px;
color: #171A1D;
line-height: 24px;
text-align: left;
font-style: normal;
}

.strategy-feature-content p {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    margin: 0;
}

.strategy-btn {
    padding: 12px 32px;
    background: linear-gradient(135deg, #7F4AFF 0%, #2A51FF 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.strategy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(127, 74, 255, 0.3);
}

.strategy-right {
    flex: 1;
    max-width: 580px;
}

.strategy-visual {
    position: relative;
    width: 630px;
    height: 500px;
    border-radius: 20px;
    overflow: visible;
}

.strategy-visual img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius:0 14px 14px 0;
    object-fit: cover;
}

.strategy-badge {
    font-family: 'Douyin', "PingFang SC", sans-serif;
    position: absolute;
    padding: 10px 18px;
    background: linear-gradient( 285deg, #F9FBFF 0%, #FAECFF 100%);
    box-shadow: 0px 4px 10px 0px rgba(82,30,152,0.13);
    border-radius: 25px;
    border: 2px solid #FFFFFF;
    backdrop-filter: blur(1px);
    font-size: 16px;
    color: #1a1a1a;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    white-space: nowrap;
    font-weight: 500;
}

.strategy-badge-1 {
    top: 76px;
    left: 59px;
}

.strategy-badge-2 {
    bottom: 199px;
    right: 57px;
}