/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Exo 2', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #111111 0%, #333333 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.container {
    max-width: none;
    width: 100%;
    margin: 0;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    padding: 0;
}

/* Header styles */
header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(90deg, #000000, #444444);
    margin: 0 0 40px 0;
    border-radius: 0;
    color: #ffffff;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    letter-spacing: 0.05em;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}

header .subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Main content */
main {
    padding: 20px 0;
}

/* Image container */
.image-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 40px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}


/* Content layout */
.content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Card styles */
.card {
    background: #333333;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.05);
    border-left: 5px solid #ffffff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.15);
}

.card h2 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card p {
    margin-bottom: 20px;
    color: #eeeeee;
    font-size: 1.1rem;
}

.card ul {
    list-style: none;
    padding-left: 0;
}

.card li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #dddddd;
}

.card li i {
    color: #ffffff;
}

/* Features grid */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature {
    text-align: center;
    padding: 20px;
    background: #444444;
    border-radius: 10px;
    transition: background 0.3s ease;
}

.feature:hover {
    background: #555555;
}

.feature i {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.feature p {
    font-size: 0.95rem;
    color: #dddddd;
    margin-bottom: 0;
}

/* Main content wrapper */
main {
    padding: 40px 20px;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.content-block {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 80px;
}


.text-block {
    flex: 1;
    min-width: 300px;
    padding: 40px 20px;
}


.text-block h2 {
    color: #ffffff;
    font-size: 2.2rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.text-block p {
    color: #eeeeee;
    font-size: 2.0rem;
    line-height: 1.6;
    margin-bottom: 25px;
    font-weight: 300;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.text-block ul {
    list-style: none;
    padding-left: 0;
    margin-top: 25px;
}

.text-block li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #dddddd;
    font-size: 1.1rem;
}

.text-block li i {
    color: #ffffff;
}

.image-block {
    flex: 1;
    min-width: 300px;
    position: relative;
}

/* Staggered image effects - subtle vertical offset only */
.content-block:nth-child(1) .image-block {
    transform: translateY(-15px);
}

.content-block:nth-child(2) .image-block {
    transform: translateY(20px);
}

.content-block:nth-child(3) .image-block {
    transform: translateY(-10px);
}

.content-block:nth-child(4) .image-block {
    transform: translateY(25px);
}

.image-block img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.image-block img:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.image-caption {
    text-align: center;
    margin-top: 15px;
    color: #cccccc;
    font-size: 1.1rem;
    font-style: italic;
}


/* Features within text blocks */
.text-block .features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.text-block .feature {
    text-align: center;
    padding: 25px;
    background: #444444;
    border-radius: 12px;
    transition: background 0.3s ease;
}

.text-block .feature:hover {
    background: #555555;
}

.text-block .feature i {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 15px;
}

.text-block .feature h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.text-block .feature p {
    font-size: 1rem;
    color: #dddddd;
    margin-bottom: 0;
    line-height: 1.6;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(90deg, #000000, #444444);
    margin: 40px 0 0 0;
    border-radius: 0;
    color: white;
}

footer p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.social {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.social a {
    color: white;
    font-size: 1.8rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.social a:hover {
    transform: translateY(-5px);
    color: #ffffff;
}

.social-icon {
    width: 1.8rem;
    height: 1.8rem;
    object-fit: contain;
    vertical-align: middle;
    filter: invert(1); /* Make white for dark background */
    transition: transform 0.3s ease;
}

.social a:hover .social-icon {
    transform: translateY(-5px);
}


/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    header {
        margin: -20px -20px 20px;
        padding: 20px 0;
    }

    header h1 {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 10px;
        letter-spacing: 0.05em;
        text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
    }

    .content {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr;
    }

    footer {
        margin: 0 -20px -20px;
        padding: 20px;
    }

    .social a {
        font-size: 1.5rem;
    }

    .social-icon {
        width: 1.5rem;
        height: 1.5rem;
    }

    /* New layout responsive styles */
    main {
        padding: 30px 15px;
    }

    .content-block {
        flex-direction: column;
        gap: 40px;
        margin-bottom: 60px;
    }

    .content-block:nth-child(even) {
        flex-direction: column;
    }

    .content-block:nth-child(odd) {
        flex-direction: column-reverse;
    }

    .text-block, .image-block {
        min-width: 100%;
    }

    .text-block h2 {
        font-size: 1.8rem;
        font-weight: 600;
        letter-spacing: 0.03em;
        text-transform: uppercase;
        text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
    }

    .text-block p {
        font-size: 1.7rem;
        line-height: 1.6;
        font-weight: 300;
        letter-spacing: 0.02em;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .text-block .features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Reset staggered layout for tablets */

    .image-block {
        width: 100%;
        max-width: 100%;
        transform: none !important;
        margin-bottom: 30px;
    }

    .text-block {
        width: 100%;
        max-width: 100%;
        padding: 30px 20px;
        background-color: rgba(34, 34, 34, 0.9);
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }


    .card {
        padding: 20px;
    }

    .card h2 {
        font-size: 1.5rem;
    }

    /* New layout small screen adjustments */
    main {
        padding: 20px 10px;
    }

    .content-block {
        gap: 30px;
        margin-bottom: 50px;
    }

    .text-block h2 {
        font-size: 1.6rem;
        flex-direction: column;
        gap: 8px;
        font-weight: 600;
        letter-spacing: 0.03em;
        text-transform: uppercase;
        text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
    }

    .text-block p {
        font-size: 1.4rem;
        line-height: 1.6;
        font-weight: 300;
        letter-spacing: 0.02em;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .text-block li {
        font-size: 1rem;
    }

    .image-caption {
        font-size: 1rem;
    }

    /* Reset staggered layout for mobile */
    .content-block {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 50px;
    }

    .content-block:nth-child(odd) {
        flex-direction: column-reverse;
    }

    .image-block {
        width: 100%;
        max-width: 100%;
        transform: none !important;
        margin-bottom: 25px;
    }

    .text-block {
        width: 100%;
        max-width: 100%;
        padding: 30px 20px;
        background-color: rgba(34, 34, 34, 0.9);
    }
}

/* CA address section */
.ca-section {
    padding: 60px 20px;
    background: linear-gradient(90deg, #000000, #222222);
    margin: 40px 0;
}

.ca-container {
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.ca-title {
    color: #ffffff;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: 2px;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
    text-transform: uppercase;
}

.ca-address {
    color: #ffffff;
    font-family: 'Courier New', monospace;
    font-size: 3.5rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.1);
    padding: 25px 40px;
    border-radius: 15px;
    display: block;
    white-space: nowrap;
    overflow-x: auto;
    width: fit-content;
    min-width: min-content;
    margin: 0 auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: background 0.3s ease;
}

.ca-address:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Responsive CA section */
@media (max-width: 768px) {
    .ca-section {
        padding: 40px 15px;
        margin: 30px 0;
    }

    .ca-title {
        font-size: 2.5rem;
    }

    .ca-address {
        font-size: 2.5rem;
        padding: 20px 30px;
        white-space: normal;
        word-break: break-all;
    }
}

@media (max-width: 480px) {
    .ca-section {
        padding: 30px 10px;
        margin: 20px 0;
    }

    .ca-title {
        font-size: 2rem;
    }

    .ca-address {
        font-size: 1.8rem;
        padding: 15px 20px;
        white-space: normal;
        word-break: break-all;
    }
}

/* Carousel styles */
.carousel-section {
    padding: 60px 20px;
    background: linear-gradient(90deg, #222222, #444444);
    margin: 40px 0;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    padding: 0 40px;
}

.carousel-track {
    display: flex;
    gap: 30px;
    flex-shrink: 0;
    will-change: transform;
    width: max-content;
    backface-visibility: hidden;
    transform-style: preserve-3d;
}

.carousel-slide {
    flex-shrink: 0;
    width: 300px;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    display: block;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}


.carousel-container:hover .carousel-track {
    animation-play-state: paused;
}


/* Responsive carousel */
@media (max-width: 768px) {
    .carousel-section {
        padding: 40px 15px;
        margin: 30px 0;
    }

    .carousel-container {
        padding: 0 20px;
    }

    .carousel-slide {
        width: 250px;
    }
}

@media (max-width: 480px) {
    .carousel-section {
        padding: 30px 10px;
        margin: 20px 0;
    }

    .carousel-container {
        padding: 0 15px;
    }

    .carousel-slide {
        width: 200px;
    }
}

/* 科技感鼠标光标样式 */
* {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M24,8 L8,16 L24,24 L20,16 Z' fill='white' stroke='%23000' stroke-width='0.5'/%3E%3C/svg%3E") 16 16, auto;
}


input, textarea {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Crect x='14' y='6' width='4' height='20' fill='white' stroke='%23000' stroke-width='0.5'/%3E%3C/svg%3E") 16 16, text;
}

