/* ========================================
   XXXX科技有限公司 - 跨境合规服务网站样式
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #1e3a5f;
    --secondary-color: #2d5a87;
    --accent-color: #f5a623;
    --text-dark: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e1e5eb;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-white);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: #e09620;
    border-color: #e09620;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--bg-white);
    border-color: var(--bg-white);
}

.btn-secondary:hover {
    background-color: var(--bg-white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), #f7c96e);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    margin-top: 20px;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 78px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 100px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-list a {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--accent-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-fast);
}

/* ========================================
   Banner Section
   ======================================== */
.banner {
    position: relative;
    width: 100%;
    height: clamp(260px, 46.35vw, 890px);
    background: url("../images/测试图片8.png") no-repeat center center;
    background-size: cover;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 78px;
}

.banner::before {
    content: none;
}

.banner-overlay {
    display: none;
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
}

.banner-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 4px;
}

.banner-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 48px;
    font-weight: 300;
}

.banner-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.banner-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    animation: bounce 2s infinite;
}

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

/* ========================================
   Stats Section
   ======================================== */
.stats {
    background-color: var(--bg-white);
    padding: 60px 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
}

.stats-item {
    text-align: center;
    padding: 20px;
}

.stats-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-family: 'Arial', sans-serif;
}

.stats-number .plus-sign {
    color: var(--accent-color);
    font-weight: 700;
}

.stats-label {
    font-size: 15px;
    color: var(--text-light);
}

.stats-note {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-lighter);
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.services-tabs {
    margin-top: 40px;
}

.services-tabs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    background: var(--bg-white);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.services-tabs-nav {
    background: #f6f7fb;
    padding: 10px 0;
    border-right: 1px solid var(--border-color);
}

.services-tab-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
    position: relative;
}

.services-tab-btn:hover {
    background: rgba(30, 58, 95, 0.05);
}

.services-tab-btn.active {
    background: #1A5276;
}

.services-tab-btn.active::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 12px solid #1A5276;
}

.services-tab-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(30, 58, 95, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.services-tab-icon i {
    font-size: 16px;
    color: var(--primary-color);
}

.services-tab-btn.active .services-tab-icon {
    background: rgba(255, 255, 255, 0.16);
}

.services-tab-btn.active .services-tab-icon i {
    color: var(--bg-white);
}

.services-tab-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
}

.services-tab-btn.active .services-tab-text {
    color: var(--bg-white);
}

.services-tabs-panels {
    padding: 26px 28px;
}

.services-tab-panel {
    display: none;
}

.services-tab-panel.active {
    display: block;
}

.services-tab-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.services-tab-header-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(30, 58, 95, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.services-tab-header-icon i {
    color: var(--primary-color);
    font-size: 18px;
}

.services-tab-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.services-tab-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

.services-tab-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 22px 0;
}

.services-tab-metric {
    padding: 18px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e5edf6;
}

.services-tab-metric-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.1;
    letter-spacing: 0.5px;
}

.services-tab-metric-text {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.services-tab-actions {
    margin: 10px 0 18px;
}

.services-tab-list {
    border-radius: 14px;
    overflow: hidden;
    background: #2574A8;
    color: var(--bg-white);
    padding: 18px 18px 16px;
}

.services-tab-list-title {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: 12px;
}

.services-tab-list-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px 12px;
}

.services-tab-list-item {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    padding: 10px 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 28px 22px;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    flex-shrink: 0;
}

.service-icon i {
    font-size: 20px;
    color: var(--bg-white);
}

.service-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0;
}

.service-points {
    margin-bottom: 20px;
}

.service-points li {
    position: relative;
    padding: 8px 0 8px 28px;
    margin-bottom: 6px;
    font-size: 13px;
    color: #334155;
    line-height: 1.55;
    background-color: transparent;
    border: none;
    border-radius: 0;
    min-height: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.service-points li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
    font-weight: 700;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--accent-color);
    font-weight: 500;
    margin-top: auto;
}

.service-link:hover {
    gap: 12px;
}

/* ========================================
   Advantages Section
   ======================================== */
.advantages {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

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

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

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

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.1), rgba(45, 90, 135, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition-fast);
}

.advantage-item:hover .advantage-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.advantage-icon i {
    font-size: 24px;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.advantage-item:hover .advantage-icon i {
    color: var(--bg-white);
}

.advantage-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.advantage-item p {
    font-size: 13px;
    color: var(--text-light);
}

/* ========================================
   Team Section
   ======================================== */
.team {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 30px 15px;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-fast);
}

.team-member:hover .member-photo img {
    transform: scale(1.1);
}

.member-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.member-position {
    font-size: 13px;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 12px;
}

.member-intro {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Certificates Section
   ======================================== */
.certificates {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.certificates-grid {
    overflow: hidden;
    padding: 10px 0 20px;
}

.certificates-track {
    display: flex;
    gap: 30px;
    animation: certificates-scroll 30s linear infinite;
    width: fit-content;
}

.certificates-grid:hover .certificates-track {
    animation-play-state: paused;
}

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

.certificate-item {
    text-align: center;
    flex: 0 0 200px;
    scroll-snap-align: start;
}

.certificate-img {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    overflow: hidden;
}

.certificate-img:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.certificate-img img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.certificate-name {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 500;
}

/* ========================================
   News Section
   ======================================== */
.news {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.news-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    grid-template-rows: repeat(2, 1fr);
    gap: 24px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-featured {
    grid-row: span 2;
}

.news-img {
    position: relative;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card:hover .news-img img {
    transform: scale(1.05);
}

.news-featured .news-img {
    height: 300px;
}

.news-img:not(.news-featured .news-img) {
    height: 180px;
}

.news-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--accent-color);
    color: var(--bg-white);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 500;
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 12px;
    color: var(--text-lighter);
    display: block;
    margin-bottom: 8px;
}

.news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-featured .news-title {
    font-size: 20px;
    -webkit-line-clamp: 3;
}

.news-summary {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-featured .news-summary {
    -webkit-line-clamp: 4;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--accent-color);
    font-weight: 500;
}

.news-link:hover {
    gap: 10px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.about-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-hero {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}

.about-hero-media {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: #e8eef7;
    background-size: cover;
    background-position: center;
    height: 100%;
}

.about-hero-text .about-text:last-child {
    margin-bottom: 0;
}

.about-block {
    margin-top: 54px;
    padding: 34px;
    border-radius: 18px;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.about-block-header {
    margin-bottom: 18px;
}

.about-block-header-compact {
    margin-bottom: 14px;
}

.about-block-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.about-block-subtitle {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.7;
}

.about-media {
    width: 100%;
    border-radius: 16px;
    background-color: #f3f6fb;
    border: 1px solid #e7edf6;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.about-media-wide {
    height: 44vh;
    min-height: 280px;
    max-height: 520px;
}

.culture-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.culture-card {
    position: relative;
    border-radius: 22px;
    padding: 26px 22px 24px;
    background: linear-gradient(180deg, #eaf3ff 0%, #e3f0ff 100%);
    border: 1px solid rgba(31, 111, 229, 0.12);
    overflow: hidden;
}

.culture-card::after {
    content: '';
    position: absolute;
    right: -42px;
    bottom: -42px;
    width: 150px;
    height: 150px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, rgba(64, 155, 255, 0.28), rgba(64, 155, 255, 0) 65%);
    filter: blur(1px);
}

.culture-card-quote {
    position: absolute;
    top: 16px;
    left: 18px;
    font-size: 32px;
    color: rgba(31, 111, 229, 0.35);
    line-height: 1;
}

.culture-card-title {
    margin-top: 38px;
    font-size: 18px;
    font-weight: 800;
    color: #1c2b3a;
}

.culture-card-text {
    margin-top: 10px;
    font-size: 13px;
    color: rgba(28, 43, 58, 0.7);
    line-height: 1.7;
}

.about-media-tall {
    aspect-ratio: 3 / 4;
    min-height: 380px;
}

.about-join {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-join-content .about-text:last-child {
    margin-bottom: 0;
}

.about-contact {
    padding: 100px 0;
    background: #f7f9fc;
}

.about-contact-title {
    font-size: 32px;
    font-weight: 800;
    color: #1e3a5f;
    text-align: center;
    margin-bottom: 26px;
    letter-spacing: 0.3px;
}

.about-contact-tabs {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    border-bottom: 1px solid rgba(30, 58, 95, 0.12);
    margin-bottom: 34px;
}

.about-contact-tab {
    background: transparent;
    border: 0;
    padding: 14px 4px;
    font-size: 16px;
    color: rgba(30, 58, 95, 0.7);
    cursor: pointer;
    position: relative;
    font-weight: 600;
}

.about-contact-tab::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 3px;
    background: transparent;
}

.about-contact-tab.active {
    color: #1363f7;
}

.about-contact-tab.active::after {
    background: #1363f7;
}

.about-contact-panel {
    display: block;
}

.about-contact-box {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    align-items: stretch;
    background: #fff;
    border: 1px solid rgba(30, 58, 95, 0.12);
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.08);
    overflow: hidden;
    max-width: 1040px;
    margin: 0 auto;
}

.about-contact-city,
.about-contact-info {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.about-contact-city {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.about-contact-info {
    border-left: 0;
}

.about-contact-city-img {
    padding: 22px 22px 0;
    background: transparent;
    overflow: visible;
}

.about-contact-city-img img {
    width: min(460px, 100%);
    aspect-ratio: 16 / 9;
    height: auto;
    object-fit: cover;
    display: block;
    border-radius: 14px;
    border: 1px solid rgba(30, 58, 95, 0.12);
    box-shadow: 0 10px 24px rgba(30, 58, 95, 0.10);
}

.about-contact-city-address {
    padding: 18px 22px 22px;
    text-align: left;
}

.about-contact-city-address-label {
    font-size: 13px;
    font-weight: 800;
    color: rgba(30, 58, 95, 0.75);
    margin-bottom: 10px;
    letter-spacing: 0.2px;
}

.about-contact-city-address-text {
    font-size: 16px;
    font-weight: 700;
    color: #1c2b3a;
    line-height: 1.8;
    word-break: break-word;
    white-space: pre-line;
}

.about-contact-info {
    padding: 26px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-contact-info-item {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 16px 14px;
    border-radius: 16px;
    border: 1px solid rgba(30, 58, 95, 0.12);
    background: rgba(19, 99, 247, 0.05);
}

.about-contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(19, 99, 247, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1363f7;
    font-size: 18px;
    flex-shrink: 0;
}

.about-contact-info-body {
    min-width: 0;
}

.about-contact-info-title {
    font-size: 13px;
    font-weight: 800;
    color: rgba(30, 58, 95, 0.7);
    margin-bottom: 8px;
}

.about-contact-info-value {
    font-size: 18px;
    font-weight: 900;
    color: #1c2b3a;
    line-height: 1.2;
    word-break: break-all;
}

.about-contact-info-action {
    text-decoration: none;
    cursor: pointer;
}

.about-contact-info-action:hover {
    background: rgba(19, 99, 247, 0.08);
}

.inner-hero {
    position: relative;
    margin-top: 78px;
    aspect-ratio: 32 / 11;
    height: auto;
    padding: 0;
    overflow: hidden;
}

.inner-hero-bg {
    position: absolute;
    inset: 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transform: none;
}

.inner-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(30, 58, 95, 0.9) 0%, rgba(30, 58, 95, 0.55) 60%, rgba(30, 58, 95, 0.15) 100%);
}

.inner-hero-content {
    position: relative;
    max-width: 720px;
}

.inner-hero-title {
    font-size: 44px;
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.inner-hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 26px;
}

.inner-hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.about-page {
    padding: 80px 0 100px;
    background-color: var(--bg-light);
}

.about-page-intro {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    grid-template-areas:
        "photo copy"
        "strip strip";
    gap: 32px 56px;
    align-items: stretch;
    padding: 18px 0 10px;
}

.about-intro-photo {
    grid-area: photo;
    border-radius: 8px;
    overflow: hidden;
    background-color: #e8eef7;
    box-shadow: var(--shadow-lg);
}

.about-intro-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-page-copy {
    grid-area: copy;
    padding-top: 6px;
}

.about-intro-title {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
}

.about-page-heading-compact {
    margin-bottom: 14px;
}

.about-intro-title-en {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 800;
    color: #f1b31c;
    letter-spacing: 0.5px;
}

.about-intro-title-cn {
    font-size: 18px;
    font-weight: 700;
    color: #222;
}

.about-page-actions {
    margin-top: 22px;
}

.about-intro-text {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 14px;
}

.about-intro-highlight {
    color: #1f6fe5;
    font-weight: 700;
}

.about-intro-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 22px;
    border-radius: 999px;
    background: #1f6fe5;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 22px rgba(31, 111, 229, 0.25);
    transition: var(--transition-fast);
}

.about-intro-btn:hover {
    background: #175cc4;
    transform: translateY(-2px);
}

.about-intro-strip {
    grid-area: strip;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 26px;
    align-items: center;
    padding-top: 6px;
}

.about-intro-tile {
    position: relative;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #e8eef7;
    box-shadow: var(--shadow-md);
}

.about-intro-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-intro-tile-label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 12px 9px;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: #fff;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.65) 100%);
}

.about-join-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) 1fr;
    gap: 44px;
    align-items: start;
}

.about-join-poster {
    border-radius: 18px;
    overflow: hidden;
    background-color: #f3f6fb;
    border: 1px solid #e7edf6;
    width: 100%;
    aspect-ratio: 621 / 830;
    max-height: 480px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.about-join-body .about-text:last-of-type {
    margin-bottom: 0;
}

.about-join-jobs {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid #e7edf6;
}

.about-join-jobs-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.about-join-jobs-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
}

.about-join-jobs-list li {
    padding-left: 16px;
    position: relative;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.about-join-jobs-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent-color);
}

/* ========================================
   Partners Section
   ======================================== */
.partners {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.partners-track {
    overflow: hidden;
    width: 100%;
}

.partners-slide {
    display: flex;
    gap: 40px;
    animation: scrollPartners 63s linear infinite;
    width: max-content;
}

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

.partner-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.partner-item:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.partner-item img {
    max-width: 120px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition-fast);
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: #1a5276;
    color: var(--bg-white);
}

.footer-main {
    padding: 80px 0 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 90px;
    width: auto;
    background-color: #ffffff;
    padding: 6px 12px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.footer-logo span {
    font-size: 18px;
    font-weight: 600;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #2980b9;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: #2980b9;
    padding-left: 5px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 50px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background-color: #2980b9;
}

.footer-social i {
    font-size: 18px;
    color: var(--bg-white);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: #2980b9;
    margin-top: 3px;
}

.footer-qrcode {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.footer-qrcode img {
    width: 80px;
    height: 80px;
    border-radius: 4px;
}

.footer-qrcode span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-friends {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-friends-title {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.footer-friends-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.footer-friends-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-friends-links a:hover {
    color: #2980b9;
}

.footer-friends-sep {
    color: rgba(255, 255, 255, 0.35);
}

.footer-addresses {
    margin-top: 18px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
}

.footer-addresses-title {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
}

.footer-addresses-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
}

.footer-addresses-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.footer-addresses-item i {
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom a:hover {
    color: #2980b9;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .about-contact-tabs {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 6px;
        gap: 18px;
    }

    .about-contact-tab {
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 12px 2px;
    }

    .about-contact-panel {
        display: block;
    }

    .about-contact-box {
        grid-template-columns: 1fr;
    }

    .about-contact-city-img {
        padding: 18px 18px 0;
    }

    .about-contact-city-address {
        padding: 16px 18px 18px;
    }

    .about-contact-info {
        padding: 20px 18px;
        gap: 14px;
        border-left: 0;
        border-top: 1px solid rgba(30, 58, 95, 0.12);
    }

    .about-contact-info-item {
        padding: 14px 12px;
        gap: 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-addresses-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 43px;
    width: 50px;
    height: 50px;
    background-color: #1a5276;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
    box-shadow: var(--shadow-md);
    left: auto !important;
    right: 43px !important;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
}

.back-to-top i {
    font-size: 20px;
    color: var(--bg-white);
}

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

.animate-fade-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .team-member:nth-child(4),
    .team-member:nth-child(5) {
        grid-column: span 1;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 992px) {
    .banner-title {
        font-size: 42px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .services-tabs-layout {
        grid-template-columns: 220px 1fr;
    }

    .services-tab-list-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-hero-media {
        height: 360px;
    }

    .about-join {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-branches {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

@media (max-width: 768px) {
    .contact-branches {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

    .inner-hero {
        padding: 0;
    }

    .inner-hero-title {
        font-size: 38px;
    }

    .about-page-intro {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .about-page-intro {
        grid-template-areas:
            "photo"
            "copy"
            "strip";
    }

    .about-intro-photo img {
        height: 320px;
    }

    .about-intro-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
    }

    .about-join-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-join-poster {
        min-height: 0;
        max-height: 420px;
        max-width: 420px;
        justify-self: center;
    }

    .about-join-jobs-list {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    

    .culture-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        position: relative;
    }
    
    .nav {
        position: absolute;
        top: 78px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-fast);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 20px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .banner-title {
        font-size: 32px;
        letter-spacing: 2px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .banner-buttons {
        flex-direction: column;
        gap: 16px;
    }

    .culture-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 30px 20px;
    }
    
    .stats-number {
        font-size: 32px;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .services-grid .service-card {
        grid-column: auto;
    }

    .services-tabs-layout {
        grid-template-columns: 1fr;
    }

    .services-tabs-nav {
        border-right: 0;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        overflow-x: auto;
        padding: 10px;
        gap: 10px;
    }

    .services-tab-btn {
        width: auto;
        flex: 0 0 auto;
        border-radius: 12px;
        padding: 12px 14px;
    }

    .services-tab-btn.active::after {
        display: none;
    }

    .services-tabs-panels {
        padding: 18px 16px;
    }

    .services-tab-metrics {
        grid-template-columns: 1fr;
    }

    .services-tab-list-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-featured {
        grid-column: span 1;
    }
    
    .news-img {
        height: 200px !important;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .section-title {
        font-size: 28px;
    }

    .inner-hero {
        padding: 105px 0 70px;
    }

    .inner-hero-title {
        font-size: 32px;
    }

    .about-page-heading-en {
        font-size: 36px;
    }

    .about-gallery-main img {
        height: 300px;
    }

    .about-gallery-thumbs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .banner-title {
        font-size: 26px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .stats-item {
        padding: 15px 10px;
    }
    
    .stats-number {
        font-size: 28px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-20 {
    margin-top: 20px;
}

.hidden {
    display: none !important;
}

/* ========================================
   在线咨询浮动按钮
   ======================================== */
.online-consult {
    position: fixed;
    right: 30px;
    bottom: 100px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    left: auto !important;
    right: 30px !important;
}

.consult-btn {
    width: 76px;
    height: 76px;
    background: linear-gradient(135deg, #1e3a5f, #3498db);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(30, 58, 95, 0.4);
    transition: all 0.3s ease;
    color: #fff;
    border: none;
    padding: 0;
}

.consult-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.5);
}

.consult-btn i {
    font-size: 28px;
    line-height: 1;
}

.consult-btn span {
    font-size: 12px;
    line-height: 1;
    margin-top: 2px;
}

.consult-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.consult-modal.active {
    display: flex;
}

.consult-modal-content {
    background: transparent;
    border-radius: 0;
    padding: 0;
    width: 635px;
    height: 388px;
    max-width: 92vw;
    max-height: 92vh;
    overflow: hidden;
    position: relative;
    box-shadow: none;
    animation: scaleIn 0.3s ease;
}

.consult-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.consult-modal-content .consult-close {
    display: none;
}

.consult-close:hover {
    color: #333;
}

.consult-modal-content h4 {
    font-size: 18px;
    color: #1e3a5f;
    margin-bottom: 20px;
}

.consult-qr-img {
    width: 100%;
    height: 100%;
    margin: 0;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
}

.consult-qr-img img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block;
}

.consult-qr-img i {
    font-size: 80px;
    color: #b0c4de;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* ========== 合作伙伴 ========== */
.partners {
    padding: 80px 0;
    background: #f8fafc;
    overflow: hidden;
}

.partners-track {
    overflow: hidden;
    width: 100%;
}

.partners-slide {
    display: flex;
    gap: 40px;
    animation: scrollPartners 63s linear infinite;
    width: max-content;
}

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

.partner-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s;
}

/* ========== 资质证书 ========== */
.certificates {
    padding: 80px 0;
    background: #fff;
    overflow: hidden;
}

.certificates-grid {
    overflow: hidden;
    width: 100%;
}

.certificates-track {
    display: flex;
    gap: 30px;
    animation: scrollCertificates 20s linear infinite;
    width: max-content;
}

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

.certificate-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 260px;
    height: 280px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.3s;
}

.certificate-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.certificate-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.partner-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.partner-item img {
    max-width: 100px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all 0.3s;
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}