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

:root {
    --bg-primary: #FFFFFF;
    --bg-accent: #004d40;
    --bg-card: #f8f9fa;
    --text-primary: #000000;
    --text-secondary: #656565;
    --text-white: #FFFFFF;
    --accent-primary: #fabf24;
    --accent-dark: #e6a800;
    --accent-light: #ffc94d;
    --border-color: #e5e7eb;
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
    --bg-accent-dark: #003d30;
    --bg-accent-darker: #002d20;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

/* 顶部导航 */
.navbar {
    position: relative;
    background-color: var(--bg-primary);
    padding: 18px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), var(--bg-accent), var(--accent-primary), transparent);
    opacity: 0.7;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 8px 18px;
}

.nav-logo-img {
    height: 58px;
    width: auto;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.nav-logo-img:hover {
    transform: scale(1.08);
}

.nav-logo-text {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-primary);
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    white-space: nowrap;
    letter-spacing: 0.3px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-logo-text:hover {
    transform: translateY(-2px);
    text-shadow: 
        1px 1px 0px var(--text-primary),
        -1px -1px 0px var(--text-primary),
        0 1px 0px var(--text-primary),
        1px -1px 0px var(--text-primary);
        text-shadow: none;
}

.nav-logo-text::after {
    content: attr(data-text);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    color: var(--text-white);
    transform: scaleY(-0.45);
    transform-origin: top;
    opacity: 0.25;
    filter: blur(2px);
    pointer-events: none;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--bg-accent));
    transform: translateX(-50%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--bg-accent);
    transform: translateY(-2px);
}

.nav-link:hover::before {
    width: 60%;
}

.nav-link.active {
    background: linear-gradient(135deg, var(--bg-accent), var(--bg-accent-dark));
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(0, 77, 64, 0.3);
}

.nav-link.active::before {
    width: 60%;
    background: var(--accent-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background-color: var(--text-primary);
    transition: 0.3s;
}

/* 全屏轮播图 - Swiper */
.carousel {
    position: relative;
    height: calc(100vh - 92px);
    min-height: 600px;
    overflow: hidden;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-content {
    text-align: center;
    padding: 60px 80px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    border-radius: 0;
    max-width: 900px;
}

.slide-content h1 {
    font-size: 48px;
    margin-bottom: 18px;
    color: var(--text-white);
    font-weight: bold;
    letter-spacing: 2px;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 35px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1px;
}

.slide-btn {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--accent-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s;
    letter-spacing: 1px;
}

.slide-btn:hover {
    background-color: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(250, 191, 36, 0.3);
}

/* Swiper 导航按钮样式 */
.swiper-button-prev,
.swiper-button-next {
    width: 55px !important;
    height: 55px !important;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 0 !important;
    color: var(--text-primary) !important;
    font-size: 24px !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.swiper-button-prev::after,
.swiper-button-next::after {
    font-size: 28px !important;
    font-weight: bold;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background-color: var(--accent-primary);
    transform: scale(1.1);
}

.swiper-button-prev {
    left: 30px !important;
}

.swiper-button-next {
    right: 30px !important;
}

/* Swiper 分页器样式 */
.swiper-pagination {
    bottom: 35px !important;
}

.swiper-pagination-bullet {
    width: 14px !important;
    height: 14px !important;
    background-color: rgba(255, 255, 255, 0.5) !important;
    opacity: 1 !important;
    transition: all 0.3s;
}

.swiper-pagination-bullet-active {
    width: 30px !important;
    border-radius: 0 !important;
    background-color: var(--accent-primary) !important;
}

/* 公司简介 */
.about-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.section-title {
    font-size: 38px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}

.section-title.center {
    text-align: center;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-dark));
    margin-bottom: 35px;
    border-radius: 0;
}

.title-underline.center {
    margin: 0 auto 35px;
}

.about-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.9;
}

.about-btn {
    display: inline-block;
    padding: 14px 40px;
    background-color: transparent;
    color: var(--accent-primary);
    text-decoration: none;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    font-weight: bold;
    transition: all 0.3s;
    font-size: 15px;
    letter-spacing: 1px;
}

.about-btn:hover {
    background-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(250, 191, 36, 0.25);
}

.video-container {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.video-container video {
    width: 100%;
    display: block;
}

/* 新闻版块 */
.news-section {
    padding: 100px 0;
    background-color: var(--bg-card);
}

.news-swiper-container {
    position: relative;
    margin-top: 20px;
}

.newsSwiper {
    padding: 0 50px;
}

.newsSwiper .swiper-slide {
    align-items: stretch;
}

.news-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.0);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 430px;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.news-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.news-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}



.news-card:hover .news-image {
    transform: scale(1.08);
}

.news-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.news-content h3 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
}

.news-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-date {
    display: inline-block;
    color: var(--accent-primary);
    font-size: 13px;
    font-weight: 500;
}

/* 新闻 Swiper 导航按钮 */
.news-prev,
.news-next {
    width: 48px !important;
    height: 48px !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-radius: 50%;
    color: var(--text-primary) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s;
}

.news-prev::after,
.news-next::after {
    font-size: 24px !important;
    font-weight: bold;
}

.news-prev:hover,
.news-next:hover {
    background-color: var(--accent-primary) !important;
    transform: scale(1.1);
}

.news-prev {
    left: 0 !important;
}

.news-next {
    right: 0 !important;
}

/* 企业文化版块 */
.culture-section {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-accent-dark) 50%, var(--bg-accent-darker) 100%);
    position: relative;
    overflow: hidden;
}

.culture-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(250, 191, 36, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(250, 191, 36, 0.05) 0%, transparent 40%);
}

/* 文化卡片网格 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-bottom: 55px;
    position: relative;
    z-index: 1;
}

.culture-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 35px 28px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.culture-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(250, 191, 36, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.culture-card:hover::before {
    opacity: 1;
}

.culture-icon {
    font-size: 48px;
    margin-bottom: 20px;
    transition: transform 0.4s ease;
}

.culture-card:hover .culture-icon {
    transform: scale(1.15) rotate(5deg);
}

.culture-title {
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.culture-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    line-height: 1.7;
}

/* 经营哲学区域 */
.philosophy-section {
    position: relative;
    margin-bottom: 55px;
    z-index: 1;
}

.philosophy-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(250, 191, 36, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.philosophy {
    text-align: center;
    padding: 40px 0;
    position: relative;
}

.quote-icon {
    font-size: 56px;
    color: var(--accent-primary);
    opacity: 0.6;
    margin: 0 15px;
}

.philosophy-text {
    font-size: 32px;
    font-weight: 300;
    font-style: italic;
    color: var(--text-white);
    letter-spacing: 2px;
}

.philosophy-source {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    letter-spacing: 1px;
}

/* 亮点数据区域 */
.culture-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 55px;
    position: relative;
    z-index: 1;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(250, 191, 36, 0.1);
    border-color: rgba(250, 191, 36, 0.3);
    transform: translateY(-3px);
}

.highlight-num {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.highlight-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

/* 操作按钮区域 */
.culture-actions {
    display: flex;
    justify-content: center;
    gap: 25px;
    position: relative;
    z-index: 1;
}

.culture-btn {
    padding: 16px 45px;
    border-radius: 35px;
    font-weight: bold;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.culture-btn.primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-dark));
    color: var(--text-primary);
    box-shadow: 0 8px 25px rgba(250, 191, 36, 0.3);
}

.culture-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(250, 191, 36, 0.4);
}

.culture-btn.secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--text-white);
}

.culture-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

/* 底部 */
.footer {
    background-color: var(--bg-accent);
    padding: 60px 0 30px;
    border-top: 2px solid var(--accent-primary);
    color: var(--text-white);
}

.footer-content {
    width: min(100%, 1080px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 90px minmax(260px, 1.8fr) minmax(160px, 1fr) minmax(160px, 1fr) minmax(160px, 1fr);
    gap: 28px;
    align-items: start;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
    text-align: left;
}

.footer-logo-col {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand-col {
    min-width: 0;
}

.footer-company-name,
.footer-logo-section h3 {
    margin: 0;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.96);
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    color: rgba(255, 255, 255, 0.94);
    line-height: 1.8;
    margin-bottom: 8px;
    font-size: 14px;
}

.footer-logo-section {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    text-align: left;
}

.footer-logo {
    width: 72px;
    height: auto;
    display: block;
}

.footer-nav h4 {
    color: var(--text-white);
    font-size: 18px;
    margin-bottom: 12px;
}

.footer-nav ul {
    list-style: none;
    padding: 0;
}

.footer-nav ul li {
    margin-bottom: 10px;
}

.footer-nav ul li a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease, transform 0.15s ease;
}

.footer-nav ul li a:hover {
    color: var(--accent-primary);
    transform: translateX(4px);
}

.footer-qrcode-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 6px;
    text-align: center;
}

.footer-qrcode-section::after {
    content: '扫一扫关注我们';
    color: rgba(255, 255, 255, 0.92);
    font-size: 13px;
    margin-top: 0px;
}

.footer-qrcode img {
    width: 160px;
    height: auto;
    display: block;
    border-radius: 0;
    background: var(--bg-card);
    padding: 2px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 6px;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.footer-bottom p {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-bottom p img.footer-logo {
    width: 34px;
    height: auto;
    display: inline-block;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-link {
        font-size: 15px;
        padding: 8px 12px;
    }
    .nav-menu {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .nav-logo-text {
        font-size: 28px;
    }
    .about-content {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .slide-content h1 {
        font-size: 36px;
    }
    .carousel {
        height: 550px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 14px 0;
    }
    .nav-content {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .nav-logo {
        gap: 10px;
        padding: 8px 12px;
    }
    .nav-logo-img {
        height: 46px;
    }
    .nav-logo-text {
        font-size: 24px;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 18px 18px 22px;
        gap: 12px;
        border-top: 2px solid var(--accent-primary);
        box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
        z-index: 999;
        align-items: stretch;
    }
    .nav-menu .nav-link {
        color: var(--text-primary);
        padding: 16px 18px;
        border-radius: 0;
        font-size: 17px;
        line-height: 1.5;
        display: block;
    }
    .nav-menu .nav-link::before {
        display: none;
    }
    .nav-menu .nav-link:hover {
        color: var(--text-white);
        background-color: var(--bg-accent);
        transform: none;
    }
    .nav-menu .nav-link.active {
        color: var(--text-white);
        background: linear-gradient(135deg, var(--bg-accent), var(--bg-accent-dark));
        box-shadow: 0 4px 15px rgba(0, 77, 64, 0.3);
    }
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .hamburger {
        display: flex;
        width: 44px;
        height: 44px;
        justify-content: center;
        align-items: center;
        padding: 8px;
        background-color: rgba(255, 255, 255, 0.92);
        border: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    }
    .hamburger span {
        width: 28px;
        height: 3px;
    }
    .slide-content {
        padding: 36px 24px;
    }
    .slide-content h1 {
        font-size: 32px;
    }
    .slide-content p {
        font-size: 16px;
    }
    .slide-btn {
        padding: 14px 30px;
    }
    .carousel {
        height: 420px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-logo-col,
    .footer-brand-col,
    .footer-nav,
    .footer-qrcode-section {
        text-align: center;
        align-items: center;
    }
    .footer-qrcode-section {
        justify-content: center;
    }
    .footer-qrcode img {
        width: 140px;
    }
    .footer-contact {
        text-align: center;
    }
    .section-title {
        font-size: 32px;
    }
    .newsSwiper {
        padding: 0 20px;
    }
    .news-image-wrapper {
        height: 180px;
    }
    .swiper-button-prev,
    .swiper-button-next {
        width: 44px !important;
        height: 44px !important;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }
    .navbar {
        padding: 12px 0;
    }
    .nav-logo-text {
        font-size: 22px;
    }
    .carousel {
        height: 360px;
    }
    .slide-content {
        padding: 24px 20px;
        margin: 0 10px;
    }
    .slide-content h1 {
        font-size: 26px;
    }
    .slide-content p {
        font-size: 15px;
    }
    .slide-btn {
        width: 100%;
        padding: 14px 0;
        text-align: center;
    }
    .newsSwiper {
        padding: 0 12px;
    }
    .news-card {
        min-height: 400px;
    }
    .footer-qrcode img {
        width: 130px;
    }
}

/* 大屏幕适配 */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
        padding: 0 60px;
    }
    .carousel {
        height: 750px;
    }
    .slide-content h1 {
        font-size: 54px;
    }
    .section-title {
        font-size: 44px;
    }
    .features-grid {
        gap: 40px;
    }
    .feature-card {
        padding: 50px 40px;
    }
}

@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
        padding: 0 80px;
    }
    .carousel {
        height: 800px;
    }
    .slide-content h1 {
        font-size: 58px;
    }
    .section-title {
        font-size: 48px;
    }
}