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

:root {
    --primary-color: #0d0d0d;
    --secondary-color: #1a1a1a;
    --accent-color: #c7000b;
    --text-dark: #111;
    --text-light: #666;
    --text-white: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #0d0d0d;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: #0d0d0d;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 30px 0;
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    padding: 20px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    padding: 0 100px;
}

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

.logo svg {
    height: 45px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
    flex: 1;
    justify-content: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 14px;
    letter-spacing: 0.3px;
}

.nav-menu li a:hover {
    color: var(--accent-color);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-contact .phone {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    transition: var(--transition);
}

.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 100px;
    text-align: center;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
    line-height: 1.15;
    letter-spacing: 0px;
}

.hero-subtitle {
    font-size: 4.5rem;
    font-weight: 400;
    color: var(--text-white);
    line-height: 1.15;
    margin-top: 0;
}

.hero-typing-container {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-typing-text {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
    line-height: 1.15;
}

.hero-cursor {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-white);
    animation: heroBlink 1s infinite;
}

@keyframes heroBlink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.hero-bottom {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 100px;
}

.hero-quote {
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.quote-line {
    width: 40px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
}

.hero-scroll {
    display: flex;
    justify-content: flex-end;
    cursor: pointer;
}

.scroll-icon {
    width: 28px;
    height: 48px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 14px;
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 7px;
    background: var(--text-white);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(12px);
    }
}

.services {
    padding: 150px 0;
    position: relative;
    overflow: hidden;
}

.services-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.services-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

.services-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
}

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

.services-nav {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.services-nav .item {
    display: block;
    padding: 30px 20px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: transparent;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
}

.services-nav .item:hover,
.services-nav .item.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.services-nav .item .h3 {
    font-size: 18px;
    color: #111;
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
}

.services-nav .item:hover .h3,
.services-nav .item.active .h3 {
    color: #fff;
}

.services .txt {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.services .txt img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
}

.services .txt .h3 {
    font-size: 36px;
    color: #111;
    margin-bottom: 30px;
    font-weight: 400;
}

.services .txt .link {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.services .txt .link a {
    color: rgba(0, 0, 0, 0.7);
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition);
}

.services .txt .link a:hover {
    color: var(--accent-color);
}

.services .txt .link .more {
    display: inline-block;
    margin-top: 20px;
    color: var(--accent-color);
    font-weight: 600;
}

.index-s5 {
    padding: 150px 0;
    background: #fff;
}

.index-s5 .container {
    position: relative;
}

.index-s5 .h3 {
    font-size: 48px;
    color: #111;
    margin-bottom: 60px;
    font-weight: 400;
    line-height: 1.2;
}

.index-s5 .items {
    overflow: hidden;
    margin-bottom: 40px;
}

.index-s5 .b-box {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.index-s5 .item {
    flex-shrink: 0;
    width: calc(33.333% - 20px);
}

.index-s5 .item a {
    display: block;
    text-decoration: none;
}

.index-s5 .item .img-box {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
}

.index-s5 .item .img-box img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.index-s5 .item:hover .img-box img {
    transform: scale(1.1);
}

.index-s5 .item .txt-box {
    padding: 0 10px;
}

.index-s5 .item .flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.index-s5 .item .flex > span {
    font-size: 24px;
    color: #111;
    font-weight: 600;
}

.index-s5 .item .box {
    text-align: right;
}

.index-s5 .item .box .t {
    margin-bottom: 10px;
}

.index-s5 .item .box .t p {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    margin: 5px 0;
}

.index-s5 .item .box .total {
    font-size: 14px;
    color: var(--accent-color);
}

.index-s5 .pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.index-s5 .pagination .number {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.index-s5 .pagination .number.active,
.index-s5 .pagination .number:hover {
    background: var(--accent-color);
}

.index-s5 .more {
    display: block;
    text-align: center;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
}

.index-s6 {
    padding: 150px 0;
    position: relative;
    overflow: hidden;
}

.s6-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.s6-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

.s6-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
}

.index-s6 .container {
    position: relative;
    z-index: 1;
}

.index-s6 .h3 {
    font-size: 48px;
    color: #111;
    margin-bottom: 60px;
    font-weight: 400;
    line-height: 1.2;
}

.index-s6 .items {
    overflow: hidden;
    margin-bottom: 40px;
}

.index-s6 .b-box {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.index-s6 .item {
    flex-shrink: 0;
    width: calc(50% - 15px);
}

.index-s6 .item .txt-box {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 8px;
    transition: var(--transition);
}

.index-s6 .item:hover .txt-box {
    background: var(--accent-color);
}

.index-s6 .item a {
    text-decoration: none;
    display: block;
}

.index-s6 .item .date {
    font-size: 14px;
    color: var(--accent-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.index-s6 .item:hover .date {
    color: #fff;
}

.index-s6 .item .h3 {
    font-size: 24px;
    color: #111;
    margin-bottom: 25px;
    font-weight: 400;
}

.index-s6 .item:hover .h3 {
    color: #fff;
}

.index-s6 .item .tips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.index-s6 .item .tips span {
    font-size: 13px;
    color: rgba(0, 0, 0, 0.6);
    padding: 5px 15px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 20px;
}

.index-s6 .item:hover .tips span {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
}

.index-s6 .pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.index-s6 .pagination .number {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.index-s6 .pagination .number.active,
.index-s6 .pagination .number:hover {
    background: var(--accent-color);
}

.index-s6 .more {
    display: block;
    text-align: center;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
}

.bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(199, 0, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.footer {
    background: #fff;
    padding: 100px 0 30px;
    position: relative;
    z-index: 1;
}

.footer .top-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 60px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    width: 100%;
}

.translation-text {
    margin-top: 20px;
    font-size: 16px;
    color: #666;
    text-align: center;
    width: 100%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.typing-container {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.typing-text {
    font-size: 36px;
    color: #111;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
    text-align: center;
    width: 100%;
}

.cursor {
    font-size: 36px;
    color: #111;
    font-weight: 600;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.footer .n-info {
    background: #f5f5f5;
    padding: 40px;
    border-radius: 8px;
}

.footer .tab-tit {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.footer .tab-tit span {
    padding: 8px 20px;
    color: rgba(0, 0, 0, 0.6);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    font-size: 14px;
}

.footer .tab-tit span:hover,
.footer .tab-tit span.active {
    background: var(--accent-color);
    color: #fff;
}

.footer .tab-cont {
    margin-bottom: 30px;
}

.footer .tab {
    display: none;
}

.footer .tab.active {
    display: block;
}

.footer .tab .para {
    color: rgba(0, 0, 0, 0.8);
    font-size: 15px;
    line-height: 1.8;
}

.footer .n-share {
    text-align: center;
}

.footer .n-share .wechat {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    text-decoration: none;
    transition: var(--transition);
}

.footer .n-share .wechat:hover {
    transform: scale(1.1);
}

.footer .bot-block {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer .bot-block p {
    color: rgba(0, 0, 0, 0.5);
    font-size: 14px;
}

.icp-number {
    margin-left: 20px;
}

.nav-menu.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    z-index: 999;
}

.nav-menu.active li a {
    font-size: 1.5rem;
    color: var(--text-white);
}

@media (max-width: 1200px) {
    .nav-wrapper {
        padding: 0 50px;
    }
    
    .hero-content,
    .hero-bottom {
        padding: 0 50px;
    }
    
    .services-nav {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .index-s5 .item {
        width: calc(50% - 15px);
    }
    
    .footer .top-block {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .nav-menu,
    .nav-contact {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title,
    .hero-subtitle {
        font-size: 2.5rem;
    }
    
    .services .txt {
        grid-template-columns: 1fr;
    }
    
    .index-s6 .item {
        width: 100%;
    }
    
    .footer .boxes {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        background: #fff;
    }
    
    .bg {
        display: none;
    }
    
    .hero-video,
    .services-video,
    .s6-video {
        display: none;
    }
    
    .hero-background,
    .services-background,
    .s6-background {
        background: #fff;
    }
    
    .hero-overlay,
    .services-overlay,
    .s6-overlay {
        display: none;
    }
    
    .hero {
        background: #fff;
    }
    
    .hero-typing-text,
    .hero-cursor {
        color: #111;
    }
    
    .services {
        background: #fff;
    }
    
    .index-s5 {
        background: #fff;
    }
    
    .index-s6 {
        background: #fff;
    }
    
    .footer {
        background: #fff;
    }
    
    .navbar {
        background: #fff;
    }
    
    .navbar.scrolled {
        background: #fff;
    }
    
    .navbar .logo svg text {
        fill: #111;
    }
    
    .nav-menu li a {
        color: #111;
    }
    
    .nav-wrapper {
        padding: 0 20px;
    }
    
    .hero-content,
    .hero-bottom {
        padding: 0 20px;
    }
    
    .hero-typing-text {
        font-size: 2.5rem;
    }
    
    .hero-cursor {
        font-size: 2.5rem;
    }
    
    .services-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .index-s5 .item {
        width: 100%;
    }
    
    .index-s5 .h3,
    .index-s6 .h3 {
        font-size: 32px;
    }
    
    .hero-quote {
        display: none;
    }
}