/* ========== Reset & Base ========== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background: #fafafa;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}


/* ========== Header / Navigation ========== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.header-inner {
    max-width: 1220px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    display: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    padding: 0 16px;
    text-align: center;
    position: relative;
    cursor: pointer;
    transition: color 0.2s;
}

.nav-item:first-child {
    padding-left: 20px;
}

.nav-item .nav-text {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    display: block;
    white-space: nowrap;
}

.nav-item.active .nav-text,
.nav-item:hover .nav-text {
    color: #e85d1a;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    background: #e85d1a;
    border-radius: 2px;
}


/* --- Language Toggle Button --- */

.lang-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: inherit;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
    line-height: 1;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
}


/* ========== Hero Section ========== */

.hero {
    margin-top: 80px;
    position: relative;
    height: 520px;
    overflow: hidden;
    background: #1a1a2e;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

/* H5（移动端）背景图：PC 端默认隐藏，移动端显示 */
.hero-bg-mobile,
.page-hero-bg-mobile {
    display: none;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(15, 15, 30, 0.85) 0%, rgba(15, 15, 30, 0.65) 40%, rgba(15, 15, 30, 0.2) 65%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-tag {
    font-size: 15px;
    color: #e85d1a;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: 4px;
}

.hero-subtitle {
    font-size: 20px;
    color: #fff;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 36px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #e85d1a;
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #d4520f;
}

.btn-primary .arrow {
    font-size: 18px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    padding: 13px 28px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    transition: border-color 0.2s;
}

.btn-outline:hover {
    border-color: #fff;
}

.btn-outline .play-icon {
    width: 20px;
    height: 20px;
    border: 1.5px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-outline .play-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 6px solid rgba(255, 255, 255, 0.8);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    margin-left: 2px;
}


/* Hero right play button */

.hero-play {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.hero-play-circle {
    width: 80px;
    height: 80px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s, background 0.3s;
}

.hero-play-circle:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.hero-play-circle svg {
    width: 26px;
    height: 26px;
    fill: rgba(255, 255, 255, 0.9);
    margin-left: 4px;
}

.hero-play-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}


/* ========== Stats Bar ========== */

.stats-bar {
    max-width: 1220px;
    margin: -50px auto 0;
    position: relative;
    z-index: 10;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.stat-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 28px 20px;
    border-right: 1px solid #f0f0f0;
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 58px;
    height: 58px;
}

.stat-info .stat-label {
    font-size: 14px;
    font-weight: 600;
    color: #e85d1a;
}

.stat-info .stat-desc {
    font-size: 12px;
    color: #666;
    margin-top: 1px;
    font-weight: 600;
}


/* ========== Corporate Culture ========== */

.culture {
    padding: 30px 0 40px;
    text-align: center;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.section-title-line {
    width: 40px;
    height: 3px;
    background: #e85d1a;
    margin: 0 auto 24px;
    border-radius: 2px;
}

.culture-cards {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.culture-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px 20px;
    text-align: left;
    transition: box-shadow 0.3s;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.culture-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.culture-card-icon {
    width: 90px;
    height: 90px;
    flex-shrink: 0;
}

.culture-card-icon svg {
    width: 100%;
    height: 100%;
}

.culture-card-content {
    flex: 1;
}

.culture-card-title {
    font-size: 15px;
    color: #e85d1a;
    font-weight: 600;
    margin-bottom: 6px;
}

.culture-card-main {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    line-height: 1.5;
}

.culture-card-sub {
    font-size: 13px;
    color: #444;
    line-height: 1.7;
    font-weight: 500;
}

.culture-card-sub p {
    margin-bottom: 2px;
}

.culture-card-cn {
    font-size: 13px;
    color: #666;
    margin-top: 10px;
    font-weight: 500;
}


/* ========== Clients Section ========== */

.clients {
    padding: 10px 0 50px;
    text-align: center;
}

.clients-title {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    max-width: 1220px;
    margin-left: auto;
    margin-right: auto;
}

.clients-title::before,
.clients-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e85d1a;
}

.clients-logos {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.clients-logos::-webkit-scrollbar {
    display: none;
}

.client-logo {
    flex: 0 0 14.2857%;
    min-width: 0;
    height: 68px;
    padding: 0 8px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.2s;
}

.client-logo:hover {
    opacity: 0.8;
}

.client-logo a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.client-logo img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

.client-logo svg {
    height: 50px;
    width: auto;
    max-width: 100%;
    display: block;
}


/* ========== Footer ========== */

.footer {
    background: #1a1a2e;
    color: #fff;
    padding: 50px 0 0;
    position: relative;
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(to right, #e85d1a, #f5a623);
}

.footer-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    grid-template-columns: 1.3fr 1.4fr 1fr 1.2fr;
    gap: 36px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-brand .footer-logo-img {
    height: 45px;
    width: auto;
}

.footer-brand p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 18px;
    color: #fff;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links li a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.2s;
    white-space: nowrap;
}

.footer-links li a:hover {
    color: #e85d1a;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.2s;
}

.footer-social a:hover {
    border-color: #e85d1a;
    color: #e85d1a;
}

.footer-social a svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.footer-social a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-contact-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-top: 3px;
    fill: rgba(255, 255, 255, 0.45);
}

.footer-bottom {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px 0;
}

.footer-bottom-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom-left {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.4);
}

/* MDEC 认可区块：文字样式（参照参考站，不用 SVG logo） */
.mdec {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.4);
}

.mdec strong {
    color: #fff;
    font-style: italic;
    font-size: 17px;
    letter-spacing: 1px;
    font-weight: 700;
}


/* ========== Video Modal ========== */

.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.video-modal.active {
    display: flex;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.video-modal-content video {
    width: 100%;
    display: block;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.video-modal-close:hover {
    color: #e85d1a;
}


/* ========== Sub Page Common ========== */

.page-hero {
    margin-top: 80px;
    position: relative;
    height: 520px;
    overflow: hidden;
    background: #1a1a2e;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    /* 蒙层从左到右渐变：左边重，约 50% 后基本透明，右侧清晰露出大图 */
    background: linear-gradient(to right, rgba(15, 15, 30, 0.95) 0%, rgba(15, 15, 30, 0.8) 20%, rgba(15, 15, 30, 0.5) 35%, rgba(15, 15, 30, 0.2) 45%, rgba(15, 15, 30, 0.06) 52%, rgba(15, 15, 30, 0) 62%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1220px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 大图/视频上方文字增加阴影，提升可读性 */
.page-hero-title,
.page-hero-subtitle,
.page-hero-desc,
.hero-title,
.hero-subtitle,
.hero-desc {
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span {
    margin: 0 8px;
}

.page-hero-tag {
    font-size: 15px;
    color: #e85d1a;
    font-weight: 500;
    margin-bottom: 12px;
}

.page-hero-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.page-hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 400;
    margin-bottom: 20px;
}

.page-hero-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    max-width: 600px;
}

/* PC 端大图/视频上方文本宽度限制：主标题/副标题为容器 50%，描述约 488px */
@media (min-width: 769px) {
    .hero-title,
    .hero-subtitle,
    .page-hero-title,
    .page-hero-subtitle {
        max-width: 50%;
    }
    .hero-desc,
    .page-hero-desc {
        max-width: 488px;
    }

    /* 非中文（英文）模式下，大图/视频上方大标题字号缩小，避免英文过长换行 */
    html.lang-en .hero-title {
        font-size: 38px;
    }
    html.lang-en .page-hero-title {
        font-size: 34px;
    }
}


/* ========== About Solutions Section ========== */

.about-section {
    padding: 60px 0 30px;
    background: #fff;
}

.about-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.about-image {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 10px;
}

.about-right {
    padding-top: 10px;
}

.about-right .section-title-left {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    text-align: left;
}

.about-right .section-subtitle {
    font-size: 15px;
    color: #888;
    margin-bottom: 16px;
    text-align: left;
}

.about-right .section-title-left-underline {
    width: 40px;
    height: 3px;
    background: #e85d1a;
    margin-bottom: 18px;
    border-radius: 2px;
}

.about-right .about-intro {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
}


/* 通用 about-intro（无 about-right 包裹时，如 contact 页） */

.about-intro {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-top: 14px;
}


/* contact 页关于我们区块（纯文字版，无左图） */

.contact-about .about-title {
    margin-top: 0;
}

.contact-about .about-intro {
    max-width: 900px;
}


/* ========== 后台编辑的页面区块（sections） ========== */

.page-sections {
    max-width: 1220px;
    margin: 0 auto;
    padding: 56px 40px 0;
}

.page-section {
    margin-bottom: 48px;
}

.page-section:last-child {
    margin-bottom: 0;
}

.page-section-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    position: relative;
    padding-left: 16px;
    margin-bottom: 16px;
}

.page-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, #ff5a3c, #ff8a3c);
}

.page-section-subtitle {
    font-size: 16px;
    color: #ff5a3c;
    font-weight: 600;
    margin-bottom: 10px;
    padding-left: 16px;
}

.page-section-content {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    padding-left: 16px;
}

.page-section-content p {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .page-sections {
        padding: 40px 20px 0;
    }
    .page-section-title {
        font-size: 22px;
    }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.service-card-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-icon svg {
    width: 38px;
    height: 38px;
}

.service-card-info .service-card-title {
    font-size: 14px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 2px;
}

.service-card-info .service-card-en {
    font-size: 12px;
    color: #888;
    margin-bottom: 4px;
}

.service-card-info .service-card-desc {
    font-size: 12px;
    color: #888;
    line-height: 1.6;
}


/* ========== News Section ========== */

.news-section {
    padding: 20px 0 60px;
    background: #fafafa;
}

.news-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
}

.news-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.news-header-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.news-header-left h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
}

.news-header-left span {
    font-size: 15px;
    color: #888;
}

.news-header-left-underline {
    width: 40px;
    height: 3px;
    background: #e85d1a;
    margin-top: 8px;
    border-radius: 2px;
}

.news-view-all {
    font-size: 14px;
    color: #e85d1a;
    cursor: pointer;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-view-all:hover {
    opacity: 0.8;
}

.news-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.3s;
    display: flex;
    flex-direction: row;
}

.news-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.news-card-image {
    width: 48%;
    min-width: 48%;
    align-self: flex-start;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.news-card:hover .news-card-image img {
    transform: scale(1.05);
}

.news-card-body {
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex: 1;
    min-width: 0;
}

.news-card-date {
    font-size: 12px;
    color: #e85d1a;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.news-card-title {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.5;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-desc {
    font-size: 12px;
    color: #888;
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-play {
    width: 28px;
    height: 28px;
    border: 1.5px solid #ccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.news-card-play:hover {
    border-color: #e85d1a;
}

.news-card-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 8px solid #999;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    margin-left: 2px;
}

/* ========== 滚动渐入动画 ========== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 新闻详情弹窗 ========== */
.news-modal {
    padding: 24px;
    box-sizing: border-box;
}
.news-modal-img {
    width: 100%;
    max-height: 280px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 16px;
    display: block;
    cursor: zoom-in;
}
.news-modal-date {
    font-size: 13px;
    color: #e85d1a;
    font-weight: 500;
    margin-bottom: 10px;
}
.news-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.5;
    margin-bottom: 14px;
}
.news-modal-content {
    font-size: 14px;
    color: #555;
    line-height: 1.9;
    max-height: 50vh;
    overflow-y: auto;
    /* 隐藏滚动条，内容仍可滚动 */
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.news-modal-content::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}
/* layer 弹窗外层滚动条隐藏（新闻详情等） */
.layui-layer-content {
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.layui-layer-content::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}
/* 富文本正文样式 */
.news-modal-content h2 { font-size: 18px; color: #1a1a2e; margin: 12px 0 8px; }
.news-modal-content h3 { font-size: 16px; color: #1a1a2e; margin: 10px 0 6px; }
.news-modal-content p { margin: 8px 0; }
.news-modal-content ul,
.news-modal-content ol { padding-left: 22px; margin: 8px 0; }
.news-modal-content img { max-width: 100%; border-radius: 6px; margin: 8px 0; }
.news-modal-content a { color: #e85d1a; text-decoration: underline; }

.news-card-play:hover::after {
    border-left-color: #e85d1a;
}


/* ========== Branding Layout (No Image) ========== */

.branding-layout {
    grid-template-columns: 0.8fr 1.4fr;
}

.about-left-text {
    padding-top: 10px;
}

.about-left-text .section-title-left {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    text-align: left;
}

.about-left-text .section-title-left-underline {
    width: 40px;
    height: 3px;
    background: #e85d1a;
    margin-bottom: 18px;
    border-radius: 2px;
}

.about-left-text .about-intro {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}


/* ========== Services Grid Variants ========== */

.services-grid-5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.services-grid-6 {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}


/* ========== News Cards 4 Columns ========== */

.news-cards-4 {
    grid-template-columns: repeat(3, 1fr);
}


/* ========== Media Page Hero Highlights ========== */


/* 媒体页 Hero 文本左对齐，并与下方 1220px 内容模块对齐（保持相同左缘） */

.page-hero-media .page-hero-content {
    max-width: 55%;
    margin-left: max(0px, calc((100vw - 1220px) / 2));
    margin-right: 0;
    text-align: left;
}

.page-hero-highlights {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.hero-highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(232, 93, 26, 0.3);
    border-radius: 8px;
    padding: 10px 18px;
}

.hero-highlight-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.hero-highlight-icon svg {
    width: 100%;
    height: 100%;
}

.hero-highlight-info {
    display: flex;
    flex-direction: column;
}

.hero-highlight-num {
    font-size: 20px;
    font-weight: 700;
    color: #e85d1a;
    line-height: 1.2;
}

.hero-highlight-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
}

.hero-highlight-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.3;
}


/* ========== Contact Section ========== */

.contact-section {
    padding: 60px 0 40px;
    background: #fff;
}

.contact-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
}

.contact-info-title,
.contact-form-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
}

.contact-info-underline,
.contact-form-underline {
    width: 40px;
    height: 3px;
    background: #e85d1a;
    margin-bottom: 28px;
    border-radius: 2px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-info-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-icon svg {
    width: 28px;
    height: 28px;
}

.contact-info-label {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.contact-info-value {
    font-size: 13px;
    color: #666;
    line-height: 1.7;
}


/* ========== Contact Form ========== */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    color: #333;
    background: #fafafa;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #e85d1a;
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #e85d1a;
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
    align-self: flex-start;
}

.form-submit-btn:hover {
    background: #d4520f;
}


/* ========== Map Section ========== */

.map-section {
    padding: 20px 0 60px;
    background: #fafafa;
}

.map-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 0 0;
    display: grid;
    grid-template-columns: 360px 1fr;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.map-info-card {
    padding: 28px 24px;
    background: #fff;
    border-right: 1px solid #e0e0e0;
}

.map-info-name {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.map-info-address {
    font-size: 13px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 14px;
}

.map-info-link {
    font-size: 13px;
    color: #e85d1a;
    text-decoration: underline;
    cursor: pointer;
}

.map-info-link:hover {
    color: #d4520f;
}

.map-embed iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 280px;
}


/* ========== Hamburger Menu Toggle ========== */

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

body.no-scroll {
    overflow: hidden;
}


/* ========== Responsive - Tablet (1024px) ========== */

@media (max-width: 1024px) {
    .stats-bar {
        flex-wrap: wrap;
    }
    .stat-item {
        flex: 1 1 33%;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .about-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .branding-layout {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .services-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .services-grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    .news-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-cards-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-card {
        flex-direction: row;
    }
    .news-card-image {
        width: 40%;
        min-width: 40%;
    }
    .page-hero-highlights {
        display: none;
    }
    .page-hero-media .page-hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .map-inner {
        grid-template-columns: 1fr;
    }
    .map-info-card {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }
}


/* ========== Responsive - Mobile (768px) ========== */

@media (max-width: 768px) {
    /* --- Header --- */
    .header-inner {
        padding: 0 16px;
    }
    .menu-toggle {
        display: flex;
    }
    /* 移动端顺序：logo | (语言切换 + 汉堡成组靠右) */
    .header-inner .lang-toggle {
        order: 2;
        margin-left: auto;
    }
    .header-inner .menu-toggle {
        order: 3;
        margin-left: 10px;
    }
    .nav {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: auto;
        width: 100%;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        z-index: 1000;
        padding: 90px 24px 40px;
        overflow-y: auto;
    }
    .nav.nav-open {
        display: flex;
    }
    .nav-item {
        padding: 14px 20px;
        width: 100%;
        max-width: none;
        text-align: left;
        border-bottom: 1px solid #f0f0f0;
    }
    .nav-item:first-child {
        padding-left: 20px;
    }
    .nav-item .nav-text {
        font-size: 15px;
    }
    /* 移动端选中下划线跟随文字（在文字正下方居中） */
    .nav-item.active::after {
        display: none;
    }
    .nav-item .nav-text {
        position: relative;
        display: inline-block;
    }
    .nav-item.active .nav-text::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 28px;
        height: 3px;
        background: #e85d1a;
        border-radius: 2px;
    }
    /* --- Hero --- */
    .hero {
        height: 480px;
    }
    /* H5 模式：显示 H5 大图，隐藏 PC 大图 */
    .hero-bg,
    .page-hero-bg {
        display: none;
    }
    .hero-bg-mobile,
    .page-hero-bg-mobile {
        display: block;
    }
    .hero-content {
        padding: 0 20px;
    }
    .hero-tag {
        font-size: 12px;
        margin-bottom: 12px;
    }
    .hero-title {
        font-size: 28px;
        letter-spacing: 2px;
        margin-bottom: 8px;
    }
    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 16px;
    }
    .hero-desc {
        font-size: 13px;
        max-width: 100%;
        margin-bottom: 28px;
        display: -webkit-box;
        -webkit-line-clamp: 4;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .hero-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 16px;
        margin-bottom: 10px;
    }
    .btn-primary {
        padding: 12px 28px;
        font-size: 14px;
    }
    .btn-outline {
        padding: 11px 24px;
        font-size: 14px;
    }
    .hero-play {
        display: none;
    }
    /* --- Stats Bar --- */
    .stats-bar {
        margin: -40px 16px 0;
        border-radius: 10px;
        flex-wrap: wrap;
        padding: 0;
        text-align: left;
    }
    .stat-item {
        flex: 1 1 calc(50% - 1px);
        padding: 16px 14px;
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
        justify-content: flex-start;
    }
    .stat-item:nth-child(odd) {
        border-right: 1px solid #f0f0f0;
    }
    .stat-item:nth-child(5) {
        flex: 1 1 100%;
        border-right: none;
        border-bottom: none;
        justify-content: flex-start;
    }
    .stat-icon {
        width: 58px;
        height: 58px;
    }
    .stat-icon svg {
        width: 50px;
        height: 50px;
    }
    .stat-label {
        font-size: 13px !important;
    }
    .stat-desc {
        font-size: 11px !important;
    }
    /* --- Culture --- */
    .culture {
        padding: 24px 16px 30px;
    }
    .section-title {
        font-size: 24px;
        margin-bottom: 8px;
    }
    .section-title-line {
        margin-bottom: 18px;
    }
    .culture-cards {
        grid-template-columns: 1fr !important;
        padding: 0;
        gap: 12px;
    }
    .culture-card {
        padding: 18px 40px 18px 18px;
        border-radius: 12px;
        position: relative;
        background: #fff;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        align-items: center;
    }
    .culture-card-icon {
        width: 88px;
        height: 88px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .culture-card-icon svg {
        width: 64px;
        height: 64px;
    }
    .culture-card-title {
        font-size: 14px;
    }
    .culture-card-main {
        font-size: 15px;
        font-weight: 700;
    }
    .culture-card-sub {
        font-size: 12px;
        display: none;
    }
    .culture-card-cn {
        font-size: 12px;
        display: none;
    }
    .culture-card::after {
        content: '';
        position: absolute;
        right: 18px;
        top: 50%;
        width: 9px;
        height: 9px;
        border-top: 2px solid #bbb;
        border-right: 2px solid #bbb;
        transform: translateY(-50%) rotate(45deg);
    }
    /* --- Clients --- */
    .clients {
        padding: 10px 0 40px;
    }
    .clients-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    .clients-scroll-wrapper {
        overflow: hidden;
    }
    .clients-logos {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0;
        padding-bottom: 0;
    }
    .clients-logos::-webkit-scrollbar {
        display: none;
    }
    .client-logo {
        flex: 0 0 33.333%;
        height: 56px;
        box-sizing: border-box;
    }
    .clients-dots {
        display: flex;
        justify-content: center;
        gap: 6px;
        margin-top: 12px;
    }
    .clients-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: #ddd;
        transition: background 0.3s;
    }
    .clients-dot.active {
        background: #e85d1a;
    }
    /* --- Footer --- */
    .footer {
        padding: 36px 0 0;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 0 20px;
        text-align: left;
    }
    .footer-brand .footer-logo {
        justify-content: flex-start;
    }
    .footer-brand p {
        text-align: left;
        font-size: 12px;
    }
    /* 移动端不显示快捷链接 */
    .footer-col-quick {
        display: none;
    }
    .footer-col h4 {
        text-align: left;
        margin-bottom: 14px;
    }
    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: 6px;
        align-items: flex-start;
    }
    .footer-links li {
        text-align: left;
    }
    .footer-social {
        justify-content: flex-start;
    }
    .footer-contact {
        align-items: flex-start;
    }
    .footer-contact-item {
        justify-content: flex-start;
    }
    .footer-bottom {
        margin-top: 28px;
    }
    .footer-bottom-inner {
        flex-direction: column;
        gap: 8px;
        padding: 12px 20px;
        text-align: center;
        align-items: center;
    }
    .mdec {
        justify-content: center;
    }
    /* --- Sub Page Hero --- */
    .page-hero {
        height: 480px;
    }
    .page-hero-content {
        padding: 0 20px;
    }
    .breadcrumb {
        font-size: 12px;
        margin-bottom: 14px;
    }
    .page-hero-tag {
        font-size: 13px;
        margin-bottom: 8px;
    }
    .page-hero-title {
        font-size: 26px;
        margin-bottom: 6px;
    }
    .page-hero-subtitle {
        font-size: 15px;
        margin-bottom: 12px;
    }
    .page-hero-desc {
        font-size: 13px;
        max-width: 100%;
    }
    /* --- About Section (sub pages) --- */
    .about-section {
        padding: 40px 16px;
    }
    .about-inner {
        gap: 24px;
    }
    .about-right .section-title-left,
    .about-left-text .section-title-left {
        font-size: 22px;
    }
    .services-grid,
    .services-grid-5,
    .services-grid-6 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .service-card {
        gap: 10px;
    }
    .service-card-icon {
        width: 38px;
        height: 38px;
    }
    .service-card-icon svg {
        width: 32px;
        height: 32px;
    }
    /* --- News Section --- */
    .news-section {
        padding: 20px 16px 48px;
    }
    .news-header {
        margin-bottom: 20px;
    }
    .news-header-left h2 {
        font-size: 20px;
    }
    .news-cards,
    .news-cards-4 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .news-card {
        flex-direction: row;
    }
    .news-card-image {
        width: 38%;
        min-width: 38%;
    }
    .news-card-body {
        padding: 14px 16px;
    }
    .news-card-title {
        font-size: 14px;
    }
    .news-card-desc {
        font-size: 12px;
    }
    /* --- Contact Page --- */
    .contact-section {
        padding: 40px 16px;
    }
    .contact-inner {
        gap: 32px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .map-inner {
        margin: 0 16px;
    }
    .map-section {
        padding: 16px 0 40px;
    }
    .map-info-card {
        padding: 20px;
    }
    /* --- Video Modal --- */
    .video-modal-content {
        width: 95%;
    }
    .video-modal-close {
        top: -36px;
        right: 0;
    }
}