.contact-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(41, 102, 243, 0.3);
}

.contact-btn:hover {
    background: var(--hover-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(41, 102, 243, 0.4);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--dark-text);
    cursor: pointer;
    z-index: 1001;
}

/* Hero Section Styles */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: visible;
    /* 修改这里 */

}

.hero-content {
    width: 100%;
    box-sizing: border-box;
    height: calc(100vh - 114px);
    background: url('../img/topBg.png') no-repeat center top;
    background-size: cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 14%;
    padding-right: 14%;
}

.company-info {
    width: 100%;
    height: 114px;
    background: transparent;
    box-shadow:
        0 -8px 32px -8px rgba(60, 60, 60, 0.12),
        0 8px 32px -8px rgba(60, 60, 60, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-info-inner {
    width: 100%;
    padding: 0 15%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    box-sizing: border-box;
}

.company-info-item {
    display: flex;
    align-items: center;
    gap: 18px;
}

.company-info-icon {
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.company-info-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-info-title {
    font-weight: 600;
    font-size: 16px;
    color: #333333;
    line-height: 22px;
    text-align: left;
}

.company-info-desc {
    font-weight: 400;
    font-size: 14px;
    color: #777777;
    margin-top: 2px;
}

.company-info-social {
    gap: 18px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    /* 响应式字体大小 */
    margin-bottom: 20px;
    color: #287CF7;
    line-height: 1.2;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.5rem);
    /* 响应式字体大小 */
    color: #287CF7;
    max-width: 700px;
    margin-bottom: 0;
}

.hero-divider {
    width: 69px;
    height: 9px;
    background: #287CF7;
    margin: 60px 0 32px 0;
}

.intro {
    color: #287CF7;
    width: 28vw;
    text-align: justify;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(41, 102, 243, 0.4);
}

.primary-btn:hover {
    background: var(--hover-blue);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(41, 102, 243, 0.5);
}

.secondary-btn {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.secondary-btn:hover {
    background: rgba(41, 102, 243, 0.1);
}

.solution-section {
    width: 100vw;
    max-width: 100%;
    box-sizing: border-box;
    padding-top: 80px;
    padding-bottom: 100px;
    min-height: 400px;
    background: url('../img/bg2.png') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 70px;
    /* 与company-info-inner一致，左右空隙为15% */
    padding-left: 15%;
    padding-right: 15%;
}

.solution-title {
    width: 100%;
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: #333;
    letter-spacing: 2px;
    margin: 0;
}

.solution-title span {
    color: #287CF7;
    padding: 0 .5em;
}

.solution-tabs {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
}

.solution-tab-titles {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    width: 100%;
    justify-content: space-between;
}

.solution-tab-title {
    flex: 1;
    text-align: center;
    padding: 12px 32px;
    background: #ECF2FD;
    border-radius: 4px;
    font-size: 18px;
    color: #333;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    position: relative;
}

.solution-tab-title.active {
    background: #ECF2FD;
    color: #287CF7;
}

.solution-tab-title.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: #287CF7;
    border-radius: 2px;
}

.solution-tab-contents {
    width: 100%;
}

.solution-tab-content {
    display: none;
    font-size: 17px;
    color: #333;
    background: rgba(255, 255, 255, 0.85);
    padding: 32px 20px;
    box-shadow: 0px 2px 12px 0px rgba(0, 0, 0, 0.15);
    height: 50vh;
}

.solution-tab-content.active {
    display: block;
}

.solution-tab-content-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: 32px;
}

.solution-tab-content-inner-img {
    border: 10px solid #F3F8FB;
    flex: 60%;
    height: 100%;
}

.solution-tab-content-inner-img img {
    width: 100%;
    height: 100%;
    object-fit: none;
}

.solution-tab-content-inner-text {
    background: #F4F8FE;
    padding: 24px 32px;
}

.solution-tab-content-inner-text h3 {
    font-weight: 600;
    font-size: 28px;
    color: #287CF7;
    margin-bottom: 20px;
}

.solution-tab-content-inner-text p {
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 22px;
    text-align: justify;
    margin-bottom: 20px;
    text-indent: 2em;
}

.solution-tab-content-inner-right {
    flex: 40%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.solution-tab-content-inner-right .solution-tab-content-inner-btn {
    text-align: right;
    background: #fff;
}

.solution-tab-more-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(41, 102, 243, 0.3);
}

.solution-tab-more-btn:hover {
    background: var(--hover-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(41, 102, 243, 0.4);
}

.about-section {
    position: relative;
    width: 100vw;
    padding: 100px 0 60px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    /* 与company-info-inner、solution-section一致，左右空隙为15% */
    padding-left: 15%;
    padding-right: 15%;
    box-sizing: border-box;
}

.about-title {
    font-size: clamp(36px, 3vw, 60px);
    font-weight: 700;
    text-align: left;
    /* 改为左对齐 */
    margin-bottom: 18px;
    letter-spacing: 2px;
    width: 100%;
    /* 保证左对齐有效 */
    box-sizing: border-box;
}

.about-title-main {
    color: #333333;
}

.about-title-xf {
    color: #287CF7;
}

.about-title-en {
    font-size: 20px;
    color: #287CF7;
    text-align: left;
    font-weight: 500;
    letter-spacing: 1px;
    width: 100%;
}

.about-bg-divider {
    width: calc(85% - 100px);
    height: 480px;
    background: url('../img/about-ahead-bg.png') no-repeat center center;
    background-size: 100% 100%;
    position: absolute;
    right: 0;
    bottom: 20px;
}

.about-content-switcher {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    margin-top: 80px;
    gap: 48px;
}

.about-img-area {
    flex: 0 0 684px;
    width: 684px;
    height: 398px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f2f6ff;
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(60, 60, 60, 0.10);
}

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

.about-switch-tabs {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    min-width: 180px;
}

.about-switch-tab {
    font-size: 18px;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    margin-bottom: 0;
    border-left: 6px solid transparent;
}

.about-switch-tab.active {
    font-size: 24px;
    color: #fff;

}

.about-more-btn {
    margin-top: 120px;
    padding: 12px 24px;
    background: var(--primary-blue);
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    align-self: flex-start;
    box-shadow: 0 4px 12px rgba(41, 102, 243, 0.3);
}

.about-more-btn:hover {
    background: var(--hover-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(41, 102, 243, 0.4);
}

.memorabilia-section {
    position: relative;
    width: 100vw;
    padding: 100px 0 60px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    /* 与company-info-inner、solution-section一致，左右空隙为15% */
    padding-left: 15%;
    padding-right: 15%;
    box-sizing: border-box;
}

.memorabilia-year {
    position: absolute;
    font-weight: bolder;
    font-size: clamp(36px, 3vw, 60px);
    color: #7EB1FB;
    right: 15%;
    top: 100px;
    background: linear-gradient(to top, #E9F1FE 40%, transparent 40%);
    background-clip: padding-box;
}

.memorabilia-content-wrapper {
    display: flex;
    gap: 48px;
    margin-top: 40px;
    width: 100%;
    align-items: stretch;
}

.memorabilia-img-area {
    flex: 0 0 644px;
    width: 644px;
    height: 388px;
    background: #f2f6ff;
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(60, 60, 60, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
}

.memorabilia-img-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.memorabilia-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 260px;
    padding: 12px 0;
}

.memorabilia-info-title {
    font-size: 28px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 18px;
}

.memorabilia-info-desc {
    font-size: 17px;
    color: #777777;
    flex: 1;
    margin-bottom: 24px;
    line-height: 1.7;
}

.memorabilia-info-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    justify-content: space-between;
    /* 两侧对齐 */
}

.memorabilia-btn {
    background: #287CF7;
    color: #fff;
    border: none;
    padding: 10px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.memorabilia-btn:hover {
    background: #1a4fd8;
}

.memorabilia-prev,
.memorabilia-next {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.memorabilia-btn.memorabilia-more {
    margin-left: auto;
}

.media-section {
    position: relative;
    width: 100vw;
    padding: 100px 0 60px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    /* 与company-info-inner、solution-section一致，左右空隙为15% */
    padding-left: 15%;
    padding-right: 15%;
    box-sizing: border-box;
    margin-top: 33px;
}

.media-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 32px;
    gap: 32px;
}

.media-header-row>div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.media-header-row .about-title {
    margin-bottom: 0;
}

.media-header-row .about-title-en {
    margin-top: 4px;
}

.media-header-row .memorabilia-more {
    margin-left: auto;
    align-self: center;
}

.media-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, auto);

    margin-bottom: 40px;
}

.media-grid-item {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background: #fff;
    padding: 20px 24px;
    cursor: pointer;
}

.media-grid-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 12px;
}

.media-grid-content {
    font-size: 13px;
    color: #777777;
    line-height: 1.6;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .navbar {
        box-shadow: none;
        background: transparent;    
    }
  
    .hero {
        height: calc(100vh - 13.5vh);
    }

    .hero-content {
        background: url('../img/topBg2.png') no-repeat center top;
        background-size: cover;
        height: 100%;
        align-items: center;
        padding: 0;
    }

    .hero h1,
    .hero p,
    .intro {
        color: #FAFCFE;
    }

    .hero h1 {
        font-size: 8vw;
        margin-top: 94%;
    }

    .hero p {
        font-size: 3.8vw
    }

    .hero-divider {
        background: #FAFCFE;
        height: 4px;
        width: 25vw;
        margin: 24px 0;
    }

    .intro {
        width: 100%;
        padding: 0 10%;
        font-size: 3vw;
        color: #FAFCFE;
        line-height: 1.5em;
    }

    .company-info {
        display: none;
    }

    .solution-section {
        background: url('../img/solution-bg.png') no-repeat center center;
        background-size: cover;
        padding: 24px 0;
        gap: 24px;
        padding-bottom: 52px;
    }

    .solution-title {
        font-size: 7vw;
    }

    .solution-tab-titles {
        margin-bottom: 12px;
        overflow: hidden;
    }

    .solution-tab-title {
        flex: 0 0 calc(33.33% - 2.7px);
        font-size: 4vw;
        padding: 0;
        line-height: 3em;

    }

    .solution-tab-contents {
        padding: 0 16px;
    }

    .solution-tab-content-inner {
        flex-direction: column;
        gap: 12px;
    }

    .solution-tab-content-inner-img img {
        object-fit: cover;
    }

    .solution-tab-content-inner-img {
        height: 66.6%;
    }

    .solution-tab-content-inner-right {
        height: 33.3%;
        position: relative;
    }

    .solution-tab-content-inner-text {
        padding: 12px 44px;
        height: 100%;
        box-sizing: border-box;
        overflow: hidden;
        text-align: center;
    }

    .solution-tab-content-inner-text h3 {
        font-size: 5vw;
        margin-bottom: 12px;
    }

    .solution-tab-content-inner-text p {
        font-size: 3.5vw;
        margin-bottom: 0;
        color: #777777;
    }

    .solution-tab-content-inner-right .solution-tab-content-inner-btn {
        position: absolute;
        bottom: -95px;
        text-align: center;
        width: 100%;
        background: transparent;
    }

    .solution-tab-more-btn {
        font-size: 4vw;
        padding: 0 1em;
        line-height: 2.5em;
    }

    .about-section {
        background: #f0f2f5;
        padding: 32px 0 48px 16px;
    }

    .about-title {
        font-size: 7vw;
        margin-bottom: .25em;
        ;
    }

    .about-title-en {
        font-size: 4vw;
        font-weight: bold;
    }

    .about-img-area {
        flex: 0 0 66.6%;
        height: 21vh;
    }

    .about-switch-tabs {
        min-width: unset;
    }

    .about-switch-tab {
        font-size: 3.6vw;
    }

    .about-switch-tab.active {
        font-size: 4.2vw;
    }

    .about-title-en br {
        display: none;
    }

    .about-bg-divider {
        width: 86vw;
        height: 24vh;
        right: 0;
        top: 32.9%
    }

    .about-content-switcher {
        margin-top: 8.8%;
        gap: 16px;
    }

    .about-more-btn {
        position: absolute;
        top: -87px;
        right: 16px;
        margin: 0;
        font-size: 4vw;
        padding: 0 1em;
        line-height: 2.5em;
    }

    .media-header-row .memorabilia-more {
        font-size: 4vw;
        padding: 0 1em;
        line-height: 2.5em;
    }

    .media-section {
        margin-top: 0;
        padding: 24px 16px;
    }

    .media-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, auto);
        grid-gap: 24px;
        margin-bottom: 40px;
        overflow: hidden;
    }

    .media-grid-item{
        padding: 0;
    }
}