/* 双层渐变边框不变；--btn-fill + @property 使填充色可 transition */
@property --btn-fill {
    syntax: "<color>";
    inherits: false;
    initial-value: #CC261F;
}

.s-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 8.75rem;
    min-height: 2.5rem;
    padding: .9375rem 2rem;
    gap: 1.875rem;
    border-radius: 1rem;
    color: var(--color-white);
    font-family: "OPPO Sans 4.0";
    font-style: Medium;
    font-size: var(--font-15);
    font-weight: 500;
    line-height: var(--font-18);
    letter-spacing: 0rem;
    text-transform: capitalize;
    border: 1px solid transparent;
    white-space: nowrap;
    user-select: none;
    transition: all .3s ease;
}

.s-btn__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.s-btn--glass {}

/* 渐变边框+hover背景变色 */
.s-btn--primary {
    background-color: var(--color-primary);
}

.s-btn--primary:hover {
    background-color: var(--color-primary-hover);
}

.s-btn--ghost {
    color: rgba(0, 0, 0, 1);
    background: transparent;
    border: 1px solid currentColor;
}

.s-btn--ghost:hover {
    color: var(--color-white);
    border-color: transparent;
    background-color: #3A3A3A;
}

.s-btn--ghost:hover img {
    filter: invert(1);
}

/* 按钮箭头 */
.s-btn .s-btn__arrow {
    width: .9375rem;
    height: .75rem;
}

/* 按钮小圆点 */
.s-btn .btn__dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--color-white);
}

/* 下划线 start */
.hover_underline::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    width: 100%;
    height: 1px;
    background: currentColor;
    /* 用 3D 缩放固定 Y=1，避免收起时抗锯齿看起来“变细” */
    transform: scale3d(0, 1, 1);
    transform-origin: center;
    will-change: transform;
    transition: transform 0.3s ease;
}

.hover_underline:hover::after {
    transform: scale3d(1, 1, 1);
}

/* 下划线 end */
/* 文字跑马灯 */
.marquee {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
}

.track {
    display: inline-block;
    white-space: nowrap;
    animation: scroll 20s linear infinite;
}

.track span {
    margin-right: 50px;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 文字跑马灯 */

/* 毛玻璃卡片 */
.glass-card {
    --c-glass: rgba(196, 196, 196, 0.2);
    --c-light: #fff;
    --saturation: 100%;
    --left: 2px;
    --right: -1.8px;
    border: none;
    background-color: color-mix(in srgb, var(--c-glass) 20%, transparent);
    backdrop-filter: blur(5px) saturate(var(--saturation));
    box-shadow:
        inset 0 0 0 2px color-mix(in srgb, var(--c-light) 10%, transparent),
        inset var(--left) var(--left) 2px -2px color-mix(in srgb, var(--c-light) 90%, transparent),
        inset var(--right) var(--right) 2px -2px color-mix(in srgb, var(--c-light) 80%, transparent);
}

.glass-card2 {
    display: block;
    background: linear-gradient(135deg, rgba(230, 230, 230, 1) 0%, rgba(246, 246, 246, 1) 100%);
    box-shadow: -4px -4px 10px -8px rgba(255, 255, 255, 1), 4px 4px 10px -8px rgba(0, 0, 0, .3);
}


/* slide-btn */
.slide-btn {
    width: 3rem;
    height: 3rem;
    border: none;
    cursor: pointer;

    img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

.slide-btn:hover img {
    filter: invert(1);
}


/* 所有的内页的公共样式 */

.section__banner {
    height: 46.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    /* banner 标题 */
    .section__banner__title {
        color: rgba(255, 255, 255, 1);
        font-family: "Douyin Sans";
        font-style: Bold;
        font-size: var(--font-64);
        font-weight: 700;
        line-height: var(--font-77);
        letter-spacing: 0px;
        text-align: center;
    }

    .section__banner__sub {
        color: rgba(255, 255, 255, 1);
        font-family: "OPPO Sans 4.0";
        font-style: Medium;
        font-size: var(--font-20);
        font-weight: 500;
        line-height: var(--font-24);
        letter-spacing: 0px;
        text-align: center;
    }
}


.section__header {
    display: flex;
    flex-direction: column;
    margin-bottom: 2.5rem;

    /*各模块的 红色标题 */
    .section__title__red {
        color: var(--color-primary);
        font-family: "OPPO Sans 4.0";
        font-style: Medium;
        font-size: var(--font-18);
        font-weight: 500;
        line-height: var(--font-22);
        letter-spacing: 0px;
        text-align: left;

        margin-bottom: 1rem;
    }

    /*各模块的 主标题 */
    .section__title {
        color: rgba(0, 0, 0, 1);
        font-family: "OPPO Sans 4.0";
        font-style: Medium;
        font-size: var(--font-38);
        font-weight: 500;
        line-height: var(--font-45);
        letter-spacing: 0px;
        text-align: left;
    }
}

/* 各模块的 描述文案样式 */
.section__desc {
    color: rgba(108, 108, 108, 1);
    font-family: "OPPO Sans 4.0";
    font-style: Regular;
    font-size: var(--font-18);
    font-weight: 400;
    line-height: var(--font-26);
    letter-spacing: 0px;
    text-align: justify;
    margin-bottom: 1.25rem;
    max-width: 45rem;
}

/* 左图右文，间距100 */
.section__img_text {
    padding: 130px 260px 100px;

    .section__inner {
        display: flex;
        align-items: center;
        gap: 6.25rem;

        .section__left {
            width: 50%;
            height: 500px;
            border-radius: 2.5rem;
            overflow: hidden;

            img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
        }

        .section__right {
            flex: 1;

            .section__desc:last-child {
                margin-bottom: 0;
            }
        }
    }
}

/* 时间轴组件 tab切换*/
.timeline__tabs {
    display: flex;
    align-items: center;
    gap: 0;

    .timeline__tab {
        flex: 1;
        display: flex;
        flex-direction: column;
        user-select: none;
        cursor: pointer;
        flex-shrink: 0;

        &.active {
            .dot {
                background-color: var(--color-primary);
            }
        }
    }

    .line-dot {
        width: 100%;
        display: flex;
        align-items: center;
        margin-top: 1rem;

        &::after,
        &::before {
            content: "";
            display: block;
            flex: 1;
            height: 1px;
            background-color: #B5B5B5;
        }

        .dot {
            width: 1.25rem;
            height: 1.25rem;
            border-radius: 50%;
            border: .25rem solid #F4F3F3;
            background-color: #B5B5B5;
        }
    }
}

/* card卡片 img+title+desc*/
.s-card {
    border-radius: 1.5rem;
    background: var(--color-white);
    padding: 1.25rem;
    overflow: hidden;
    padding-bottom: 2.1875rem;

    .s-card__img {
        border-radius: 16px;
        width: 100%;
        height: 12.875rem;
        margin-bottom: 1.125rem;
    }

    .s-card__title {
        color: rgba(0, 0, 0, 1);
        font-family: "OPPO Sans 4.0";
        font-style: Medium;
        font-size: var(--font-22);
        font-weight: 500;
        line-height: var(--font-26);
        letter-spacing: 0px;
        text-align: justify;
        margin-bottom: 1.125rem;

        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .s-card__sub-title {
        color: rgba(131, 131, 131, 1);
        font-family: "OPPO Sans 4.0";
        font-style: Light;
        font-size: var(--font-16);
        font-weight: 300;
        line-height: var(--font-18);
        letter-spacing: 0px;
        text-align: justify;
        margin-bottom: 1.25rem;
    }

    .s-card__desc {
        color: rgba(102, 102, 102, 1);
        font-family: "OPPO Sans 4.0";
        font-style: Regular;
        font-size: var(--font-18);
        font-weight: 400;
        line-height: var(--font-26);
        letter-spacing: 0px;
        text-align: justify;

        min-height: calc(var(--font-26) * 3);
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* swiper 公共样式 */
.swiper__wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* tabs tab */
.s-tabs {
    display: flex;
    align-items: center;

    .s-tab-item {
        border-bottom: 2Px solid transparent;
        background: transparent;
        cursor: pointer;
        flex-shrink: 0;

        &.active {
            border-bottom-color: var(--color-primary);
        }
    }
}

.s-tabs-vertical__wrap {
    display: flex;
    border-radius: 1rem;
    background: var(--color-white);
}

/* 纵向tabs面板 */
.s-tabs-vertical {
    display: flex;
    flex-direction: column;

    .s-tab-item {
        cursor: pointer;
        flex-shrink: 0;
    }
}

/* 轮播图按钮切换组 */
.slide-btn__groups {
    display: flex;
    position: absolute;
    width: 120%;
    justify-content: space-between;
}

/* 公司metrics */
.section__metrics {
    padding: 60px 0;

    .section__metric-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        flex: 1;
        position: relative;

        &:last-child::after {
            display: none;
        }

        &::after {
            content: "";
            display: block;
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 80%;
            background: rgba(196, 196, 196, 0.2);
        }
    }

    .section__metric-value {
        color: rgba(58, 58, 58, 1);

        font-family: "OPPO Sans 4.0";
        font-style: Medium;
        font-size: var(--font-26);
        font-weight: 500;
        line-height: var(--font-30);
        letter-spacing: 0px;
        text-align: left;
        margin-bottom: 12px;

        span {
            color: rgba(58, 58, 58, 1);

            font-family: "D-DIN-PRO";
            font-style: SemiBold;
            font-size: var(--font-72);
            font-weight: 600;
            line-height: var(--font-72);
            letter-spacing: 0px;
            text-align: left;
            margin-right: 9px;

        }
    }

    .section__metric-label {
        color: rgba(108, 108, 108, 1);

        font-family: "OPPO Sans 4.0";
        font-style: Regular;
        font-size: var(--font-24);
        font-weight: 400;
        line-height: var(--font-28);
        letter-spacing: 0px;
        text-align: left;
    }
}


.videoWindow {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    display: none;
    background: rgba(0, 0, 0, 0.6);
    z-index: 101;
  }
  .videoWindow .content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    border-radius: 15px;
    overflow: hidden;
  }
  .videoWindow .content video {
    width: 100%;
    height: 100%;
    background: #000000;
  }
  .videoWindow .content .close {
    cursor: pointer;
    font-size: 0;
    position: absolute;
    right: 10px;
    top: 10px;
    z-index: 1;
  }
  
@media (width <=992px) {
    .videoWindow .content{
        width: 95%;
        height: 95%;
        border-radius: 0;
        overflow: initial;
    }
    .videoWindow .content .close{
        top: 0px;
        right: 0;
    }
    .section__banner {
        .section__banner__title {
            font-size: 48px;
            line-height: 60px;
        }
    }

    .swiper__wrap {
        flex-direction: column;
        gap: 20px;

        /* 轮播图按钮切换组 */
        .swiper {
            width: 100%;
        }

        .slide-btn__groups {
            display: flex;
            position: relative;
            width: 100%;
            gap: 2.5rem;
            justify-content: center;
        }
    }


    .section__img_text {
        --p-x: 20px;

        .section__inner {
            flex-direction: column !important;
            gap: 40px;

            .section__left {
                width: 100%;
            }

            .section__right {
                width: 100%;

                .section__desc {
                    font-size: var(--font-14);
                    line-height: var(--font-20);
                }
            }
        }
    }

    .timeline__tabs {
        width: 100%;
        justify-content: flex-start !important;
        overflow: auto;

        .timeline__tab {
            flex: 0 0 50%;
        }
    }

    .s-tabs {
        width: 100%;
        justify-content: flex-start !important;
        overflow: auto;
    }

    .s-tabs-vertical__wrap {
        flex-direction: column;
    }

    .s-tabs-vertical {
        border-radius: 0 !important;
        width: 100% !important;
        flex-direction: row !important;
        justify-content: flex-start !important;
        overflow: auto;

        .s-tab-item {
            padding: 20px !important;
        }
    }

    .swiper-slide-active {
        transform: scale(1) !important;
    }

    .section__metrics {
        .section__metric-value {
            font-size: 14px;
            line-height: 16px;
            margin-bottom: 8px;

            span {
                margin-right: 4px;
                font-size: 30px;
                line-height: 32px;
            }
        }

        .section__metric-label {
            font-size: 12px;
            line-height: 14px;
        }
    }
}

@media (width <=992px) {
    .section__header {
        align-items: center;
    }

    .section__desc {
        max-width: 100%;

        &:last-child {
            margin-bottom: 0;
        }
    }
}