* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html {
    scroll-behavior: smooth;
}
body {
    color: #222;
    background-color: #ffffff;
    font-size: 21px;
    line-height: 1.7;
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}
/* 导航栏 */
header {
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: box-shadow 0.3s ease;
}
header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
}
.logo {
    font-size: 18px;
    font-weight: 600;
}
.logo small {
    font-size: 13px;
    color: #777;
    font-weight: normal;
    margin-left: 6px;
}
.nav-menu {
    display: flex;
    align-items: center;
}
.nav-menu a {
    font-size: 14px;
    color: #444;
    margin-left: 26px;
    transition: color 0.3s ease;
}
.nav-menu a:hover {
    color: #0066ee;
}
/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #333;
    transition: all 0.3s ease;
}
.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
/* 通用按钮 */
.btn-primary {
    background: #0066ee;
    color: #fff;
    padding: 10px 22px;
    border-radius: 2px;
    border: none;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 102, 238, 0.3);
}
.btn-primary:hover {
    background: #0055cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 102, 238, 0.4);
}
.btn-outline {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.28);
    padding: 10px 22px;
    border-radius: 2px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.5);
}
/* 通用区块样式 */
.section {
    padding: 70px 0;
}
.section-label {
	font-size: 16px;
	color: #0066FF;
	margin-bottom: 8px;
	text-transform: capitalize;
	font-weight: bold;
}
.section-title {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 22px;
}
.text-gray {
    color: #555860;
}
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}
.border-left-blue {
    border-left: 2px solid #0066ee;
    padding-left: 18px;
}
.gray-note-box {
	background: #f6f8fa;
	padding: 20px;
	font-size: 18px;
	line-height: normal;
}
/* 三栏卡片 */
.three-col-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0;
}
.card-light {
    border: 1px solid #e5e7eb;
    padding: 20px;
    background: #fff;
}
.card-light h4 {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 500;
}
/* 招聘岗位网格 */
.job-three-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 26px 0;
}
.job-item {
    border: 1px solid #eee;
    padding: 14px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
    color: inherit;
    text-decoration: none;
    display: block;
}
a.job-item {
    cursor: pointer;
}
a.job-item:hover {
    border-color: #0066ee;
    color: #0066ee;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 238, 0.15);
}
/* FAQ 折叠样式 */
.faq-list {
    margin-top: 24px;
}
.faq-item {
    border-bottom: 1px solid #eee;
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    color: #222;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
}
.faq-question::after {
    content: '+';
    font-size: 24px;
    color: #0066ee;
    font-weight: 300;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.faq-item.active .faq-question::after {
    content: '−';
}
.faq-answer {
    display: none;
    padding-bottom: 20px;
    color: #555860;
    font-size: 15px;
    line-height: 1.7;
}
.faq-item.active .faq-answer {
    display: block;
}
/* FAQ 两栏 */
.faq-two-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
/* 联系我们三栏 */
.contact-three-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}
/* 页脚 */
footer {
    background: #111928;
    color: #bbc3d0;
    padding: 50px 0 30px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
}
.footer-logo {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}
.footer-desc {
    font-size: 14px;
    color: #8892a0;
    margin-top: 6px;
}
.footer-right {
    text-align: right;
    font-size: 14px;
}
.copyright {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #283042;
    text-align: center;
    font-size: 12px;
    color: #777;
}

/* 资讯列表 */
.news-section {
    background: #fff;
    color: #1a1a1a;
    padding: 70px 0;
    border-top: 1px solid #eee;
}
.news-two-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}
.news-two-grid > div:first-child {
    background: #111928;
    color: #fff;
    padding: 30px 28px;
    border-radius: 4px;
}
.news-two-grid > div:first-child .section-label {
    color: #87ceff;
}
.news-two-grid > div:first-child .section-title {
    color: #fff;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.news-item {
    display: block;
    text-decoration: none;
    color: inherit;
}
.news-item-box {
    background: transparent;
    color: #1a1a1a;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 20px 24px;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.news-item:hover .news-item-box {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: #c0c8d4;
}
.news-item-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #111928;
}
.news-item-summary {
    font-size: 14px;
    color: #4a5161;
    line-height: 1.6;
}

/* 首屏Banner样式（首页专用） */
.banner {
    background-color: #061022;
    color: #fff;
    padding: 80px 0 120px;
    position: relative;
    overflow: hidden;
}
.banner-bg {
    position: absolute;
    inset: 0;
    background: url("../images/aa0b3cfb11051d81b02377c2a837ff66.jpeg") center/cover no-repeat;
    opacity: 0.5;
    z-index: 0;
}
.banner-inner {
    position: relative;
    z-index: 1;
}
.banner-tag {
    font-size: 14px;
    color: #94d0ff;
    margin-bottom: 10px;
}
.banner h1 {
    font-size: 45px;
    line-height: 1.3;
    max-width: 700px;
    margin-bottom: 20px;
    font-weight: 600;
}
.banner-desc {
    color: #c8d4e8;
    max-width: 720px;
    font-size: 16px;
    margin-bottom: 32px;
}
.banner-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.banner-fade-bottom {
    height: 80px;
    background: linear-gradient(to bottom, transparent, #fff);
    margin-top: -80px;
    position: relative;
    z-index: 2;
}

/* 技术流程图区域 */
.flow-box {
    border: 1px solid #eee;
    padding: 30px;
    background: #f8fbff;
    text-align: center;
}
.concept-flow {
    width: 100%;
    margin: 0 auto;
    position: relative;
    padding: 0;
    overflow: hidden;
}
.concept-flow-scale {
    width: 820px;
    height: 480px;
    transform-origin: top left;
    position: relative;
    margin: 0 auto;
}
.concept-flow-svg-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 820px;
    height: 480px;
}
.concept-flow-svg {
    position: absolute;
    top: 30px;
    left: 0;
    width: 820px;
    height: 480px;
    pointer-events: none;
    z-index: 20;
    overflow: visible;
}
.concept-flow-grid {
    position: absolute;
    top: 40px;
    left: 8px;
    width: 804px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    z-index: 10;
}
.concept-flow-box {
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 12px;
    border-radius: 8px;
}
.concept-flow-box h5 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}
.concept-flow-box p {
    color: #6b7280;
    font-size: 11px;
    line-height: 1.5;
}
.concept-flow-box-dark {
    border: 1px solid #222840;
    background: #171b30;
    color: #fff;
}
.concept-flow-box-dark h5,
.concept-flow-box-dark p {
    color: #fff;
}
.concept-flow-box-dark p {
    opacity: 0.9;
}
.concept-flow-dots {
    display: flex;
    gap: 6px;
    margin-top: 10px;
}
.concept-flow-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}
.concept-flow-dot-lg {
    width: 22px;
    height: 22px;
}
.concept-flow-text-cyan {
    color: #18bbc8;
    font-size: 20px;
    margin-top: 8px;
}
.concept-flow-text-blue {
    color: #0070f3;
    font-size: 20px;
    margin-top: 8px;
}
.concept-flow-bottom {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}
.concept-flow-bottom-box {
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    text-align: center;
}
.concept-flow-bottom-box h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}
.concept-flow-bottom-box p {
    color: #6b7280;
    font-size: 12px;
}
.flow-img {
    width: 100%;
    max-width: 800px;
    margin-bottom: 16px;
}
.five-step-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-top: 12px;
}
.step-item {
    border: 1px solid #e5e7eb;
    padding: 12px;
    text-align: left;
    font-size: 14px;
    background: #fff;
}
.step-item small {
    color: #666;
    font-size: 12px;
}
.step-num {
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
    background: #c5def8;
    color: #1769e0;
    text-align: center;
    margin-right: 4px;
    border-radius: 1px;
}

/* 应用场景翻转卡片 */
.app-two-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 24px;
}
.app-two-grid .flip-card {
    height: 100%;
    min-height: 380px;
}
.flip-card {
    perspective: 1000px;
    cursor: pointer;
    display: block;
    height: 100%;
}
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}
.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}
.flip-card-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border: 1px solid #eee;
    background: #fff;
    overflow: hidden;
}
.flip-card-front {
    display: flex;
    flex-direction: column;
}
.flip-card-back {
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    padding: 24px;
}
.flip-card-image {
    width: 100%;
    aspect-ratio: 1972 / 941;
    overflow: hidden;
}
.flip-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.flip-card-content {
    padding: 16px;
}
.flip-card-content h4 {
    font-size: 17px;
    margin-bottom: 8px;
}
.flip-card-back-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}
.flip-card-back-content h4 {
    font-size: 17px;
    margin-bottom: 12px;
}
.flip-card-back-content p {
    color: #555860;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}
.flip-card-quote {
    border-left: 2px solid #0066ee;
    padding-left: 14px;
    color: #666;
    font-size: 14px;
    line-height: 1.7;
    margin-top: auto;
}
.app-card-full {
    grid-column: 1 / -1;
}
.app-img-box {
    width: 100%;
    height: 220px;
    background: #dde6f7;
}
.app-text {
    padding: 16px;
}
.app-text h4 {
    font-size: 17px;
    margin-bottom: 8px;
}

/* About 数据三栏 */
.data-three-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 30px 0;
}
.data-card {
    border: 1px solid #eee;
    padding: 24px;
}
.data-num {
    font-size: 28px;
    color: #0066ee;
    font-weight: bold;
    margin-bottom: 6px;
}
.founder-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 24px;
    margin: 36px 0;
}
.founder-img {
    width: 150px;
    height: 180px;
    background: #d8e2f0;
    background-size: cover;
    background-position: center;
}
.office-two-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}
.office-img {
    width: 100%;
    height: 240px;
    background: #d8e2f0;
    background-size: cover;
    background-position: center;
}

/* 文章详情页样式 */
.article-body h2 {
    font-size: 22px;
    font-weight: 600;
    color: #111928;
    margin: 36px 0 16px;
    line-height: 1.4;
}
.article-body p {
    margin-bottom: 18px;
    color: #333;
    text-align: justify;
    text-justify: inter-ideograph;
    line-height: 1.8;
}
.article-body strong {
    color: #111928;
    font-weight: 600;
}
.article-body a {
    color: #0066ee;
    text-decoration: underline;
}
.article-body a:hover {
    color: #0055cc;
}
.article-meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.article-meta .tag {
    display: inline-block;
    background: #e8f0fe;
    color: #0066ee;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 3px;
    font-weight: 500;
}
.benchmark-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 28px;
    font-size: 14px;
}
.benchmark-table thead th {
    background: #f6f8fa;
    border: 1px solid #e5e7eb;
    padding: 10px 16px;
    text-align: left;
    font-weight: 600;
    color: #555;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.benchmark-table tbody td {
    border: 1px solid #e5e7eb;
    padding: 10px 16px;
    color: #333;
}
.benchmark-table tbody tr:hover {
    background: #fafbfc;
}
.benchmark-table .rank {
    font-weight: 600;
    color: #0066ee;
}
.benchmark-table .ours {
    color: #0066ee;
    font-weight: 600;
}
.benchmark-section-label {
    font-size: 13px;
    color: #666;
    margin: 20px 0 8px;
    font-style: italic;
}
.benchmark-table-title {
    font-size: 14px;
    color: #555;
    margin: 24px 0 12px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px 0;
        z-index: 998;
        align-items: stretch;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-menu a {
        margin: 0;
        padding: 18px 24px;
        border-bottom: 1px solid #f0f0f0;
        font-size: 18px;
        color: #333;
    }
    .nav-menu a:last-child {
        border-bottom: none;
    }
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    /* 汉堡菜单需要的相对定位 */
    .nav-wrap {
        position: relative;
    }
    /* 网格自适应 */
    .two-col-grid,
    .three-col-grid,
    .five-step-grid,
    .app-two-grid,
    .data-three-grid,
    .founder-row,
    .office-two-grid,
    .news-two-grid,
    .job-three-grid,
    .faq-two-grid,
    .contact-three-grid {
        grid-template-columns: 1fr;
    }
    .banner h1 {
        font-size: 28px;
    }
    .footer-inner {
        flex-direction: column;
        gap: 20px;
    }
    .footer-right {
        text-align: left;
    }
    /* 翻转卡片移动端适配 */
    .app-two-grid .flip-card {
        min-height: 320px;
    }
    .flip-card-inner {
        height: 100%;
    }
    .flip-card-face {
        height: 100%;
    }
}