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

body {
    background: #fff;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: #333;
}

/* ===================================================
   Banner —— 图片模式 (banner_type=6 风格)
=================================================== */
.web-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.web-banner-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.web-banner-text5 {
    position: absolute;
    right: 0;
    bottom: 100px;
    text-align: left;
    max-width: 100%;
}

.web-banner-text5 .web-banner-kuang {
    background: rgba(255, 255, 255, 0.78);
    padding: 50px 200px 50px 90px;
}

.web-banner-text5 .web-banner-title {
    letter-spacing: 1px;
    color: #000;
    font-style: normal;
    font-weight: 700;
    font-size: 64px;
    line-height: 1.3;
    display: inline-block;
    padding-bottom: 16px;
    background: linear-gradient(90deg, #E60012 150px, transparent 150px) no-repeat bottom left;
    background-size: 150px 4px;
}

.web-banner-text5 .web-banner-en {
    color: #000;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

/* 左上角标题 */
.cd-banner-title {
    position: absolute;
    top: 138px;
    left: 70px;
    color: #FFF;
    font-size: 32px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    z-index: 3;
}

/* ===================================================
   Banner —— 视频模式
=================================================== */
.cd-banner-video {
    width: 100%;
    position: relative;
    background: #000;
    cursor: pointer;
}
.cd-banner-video video {
    width: 100%;
    height: auto;
    display: block;
}
/* 遮罩层（视频未播放时显示） */
.cd-video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.18);
    transition: background 0.3s;
}
.cd-banner-video.playing .cd-video-overlay {
    opacity: 0;
    pointer-events: none;
}
/* 白色三角播放按钮 */
.cd-play-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s, background 0.25s;
    box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.cd-play-btn:hover { transform: scale(1.1); background: #fff; }
/* 纯 CSS 三角形 */
.cd-play-btn::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    border-left: 24px solid #333;
    margin-left: 5px; /* 视觉居中补偿 */
}

/* ===================================================
   标题区
=================================================== */
.cd-title-wrap {
    max-width: 70%;
    margin: 60px auto 60px;
    padding: 0 20px;
}
.cd-title {
    color: #000;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 32px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-align: center;
}
.cd-subtitle {
    font-size: 15px;
    color: #888;
    margin-top: 10px;
}
.cd-divider {
    width: 48px;
    height: 3px;
    background: #e8413c;
    margin: 16px 0 0;
}

/* ===================================================
   内容区公共容器
=================================================== */
.cd-content-wrap {
    max-width: 70%;
    margin: 0 auto;
    padding: 40px 20px 80px 20px;
}

/* 各内容模块统一间距 25px */
.cd-block + .cd-block { margin-top: 25px; }

/* ===================================================
   模块标签（演示用，实际删除）
=================================================== */
.cd-demo-label {
    display: inline-block;
    background: #f0f0f0;
    color: #999;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

/* ===================================================
   响应式
=================================================== */

/* ===== 超大屏 PC (≥1920px) ===== */
@media (min-width: 1920px) {
    .cd-title-wrap {
        max-width: 60%;
        margin: 80px auto 70px;
    }
    .cd-title {
        font-size: 36px;
    }
    .cd-subtitle {
        font-size: 17px;
    }
    .cd-content-wrap {
        max-width: 60%;
        padding: 50px 20px 100px 20px;
    }
}

/* ===== 大屏 PC (1400px - 1919px) ===== */
@media (max-width: 1919px) and (min-width: 1400px) {
    .cd-title-wrap {
        max-width: 65%;
        margin: 55px auto 55px;
    }
    .cd-title {
        font-size: 30px;
    }
    .cd-subtitle {
        font-size: 15px;
    }
    .cd-content-wrap {
        max-width: 65%;
        padding: 35px 20px 75px 20px;
    }
}

/* ===== 中等 PC (1200px - 1399px) ===== */
@media (max-width: 1399px) and (min-width: 1200px) {
    .cd-title-wrap {
        max-width: 68%;
        margin: 50px auto 50px;
    }
    .cd-title {
        font-size: 28px;
    }
    .cd-content-wrap {
        max-width: 68%;
        padding: 30px 20px 70px 20px;
    }
}

/* ===== 小屏 PC / 平板横屏 (992px - 1199px) ===== */
@media (max-width: 1199px) {
    .web-banner-text5 .web-banner-kuang { padding: 40px 120px 40px 70px; }
    .web-banner-text5 .web-banner-title { font-size: 48px; }
    .cd-banner-title { top: 80px; left: 50px; font-size: 28px; }
    .cd-title-wrap {
        max-width: 75%;
        margin: 45px auto 45px;
    }
    .cd-title {
        font-size: 26px;
    }
    .cd-content-wrap {
        max-width: 75%;
        padding: 28px 20px 65px 20px;
    }
}

/* ===== 平板竖屏 (768px - 991px) ===== */
@media (max-width: 991px) {
    .web-banner-text5 { bottom: 60px; }
    .web-banner-text5 .web-banner-kuang { padding: 30px 80px 30px 50px; }
    .web-banner-text5 .web-banner-title { font-size: 40px; background-size: 120px 3px; }
    .cd-banner-title { top: 70px; left: 40px; font-size: 24px; }
    .cd-play-btn {
        width: 60px;
        height: 60px;
    }
    .cd-title-wrap {
        max-width: 85%;
        margin: 40px auto 40px;
        padding: 0 15px;
    }
    .cd-title {
        font-size: 24px;
    }
    .cd-subtitle {
        font-size: 14px;
    }
    .cd-divider {
        width: 42px;
        height: 3px;
    }
    .cd-content-wrap {
        max-width: 85%;
        padding: 25px 15px 55px 15px;
    }
    .cd-block + .cd-block {
        margin-top: 20px;
    }
}

/* ===== 大手机横屏 / 小平板竖屏 (576px - 767px) ===== */
@media (max-width: 767px) {
    .web-banner { min-height: 300px; }
    .web-banner-text5 { bottom: 40px; }
    .web-banner-text5 .web-banner-kuang { padding: 24px 40px 24px 30px; }
    .web-banner-text5 .web-banner-title { font-size: 32px; background-size: 100px 3px; }
    .web-banner-text5 .web-banner-en { font-size: 14px; }
    .cd-banner-title { top: 60px; left: 30px; font-size: 20px; }
    .cd-play-btn {
        width: 54px;
        height: 54px;
    }
    .cd-play-btn::after {
        border-top: 11px solid transparent;
        border-bottom: 11px solid transparent;
        border-left: 20px solid #333;
    }
    .cd-title-wrap {
        max-width: 90%;
        margin: 35px auto 35px;
        padding: 0 12px;
    }
    .cd-title {
        font-size: 22px;
    }
    .cd-subtitle {
        font-size: 13px;
        margin-top: 8px;
    }
    .cd-divider {
        width: 38px;
        height: 2px;
        margin-top: 14px;
    }
    .cd-content-wrap {
        max-width: 92%;
        padding: 20px 12px 50px 12px;
    }
    .cd-block + .cd-block {
        margin-top: 18px;
    }
    .cd-demo-label {
        font-size: 11px;
        padding: 2px 8px;
    }
}

/* ===== 手机竖屏 (480px - 575px) ===== */
@media (max-width: 575px) {
    .web-banner-text5 { bottom: 30px; }
    .web-banner-text5 .web-banner-kuang { padding: 16px 30px 16px 40px; }
    .web-banner-text5 .web-banner-title { font-size: 24px; background-size: 80px 2px; }
    .web-banner-text5 .web-banner-en { font-size: 12px; }
    .cd-banner-title { top: 50px; left: 20px; font-size: 18px; }
    .cd-play-btn {
        width: 50px;
        height: 50px;
    }
    .cd-play-btn::after {
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-left: 18px solid #333;
        margin-left: 4px;
    }
    .cd-title-wrap {
        max-width: 94%;
        margin: 30px auto 30px;
        padding: 0 10px;
    }
    .cd-title {
        font-size: 20px;
    }
    .cd-subtitle {
        font-size: 12px;
        margin-top: 6px;
    }
    .cd-divider {
        width: 35px;
        margin-top: 12px;
    }
    .cd-content-wrap {
        max-width: 95%;
        padding: 18px 10px 45px 10px;
    }
    .cd-content-wrap .cd-block p{
        font-size: 12px!important;
    }

    .cd-block + .cd-block {
        margin-top: 15px;
    }
}

/* ===== 小手机 (376px - 479px) ===== */
@media (max-width: 479px) {
    .cd-banner-title { top: 45px; left: 15px; font-size: 16px; }
    .cd-play-btn {
        width: 46px;
        height: 46px;
    }
    .cd-play-btn::after {
        border-top: 9px solid transparent;
        border-bottom: 9px solid transparent;
        border-left: 16px solid #333;
        margin-left: 3px;
    }
    .cd-title-wrap {
        max-width: 96%;
        margin: 25px auto 25px;
        padding: 0 8px;
    }
    .cd-title {
        font-size: 18px;
    }
    .cd-subtitle {
        font-size: 12px;
        margin-top: 5px;
    }
    .cd-divider {
        width: 32px;
        margin-top: 10px;
    }
    .cd-content-wrap {
        max-width: 97%;
        padding: 15px 8px 200px 8px;
    }
    .cd-block + .cd-block {
        margin-top: 12px;
    }

    .cd-content-wrap .cd-block div div{
        /*width: 100%!important;*/
        border-radius: unset!important;
    }
    .cd-content-wrap .cd-block div div img{
        height: 130px!important;
    }
    .cd-demo-label {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* ===== 超小屏手机 (≤375px) ===== */
@media (max-width: 375px) {
    .cd-banner-title { top: 40px; left: 12px; font-size: 14px; }
    .cd-play-btn {
        width: 42px;
        height: 42px;
    }
    .cd-play-btn::after {
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        border-left: 14px solid #333;
        margin-left: 3px;
    }
    .cd-title-wrap {
        max-width: 97%;
        margin: 20px auto 20px;
        padding: 0 6px;
    }
    .cd-title {
        font-size: 16px;
    }
    .cd-subtitle {
        font-size: 11px;
        margin-top: 4px;
    }
    .cd-divider {
        width: 28px;
        height: 2px;
        margin-top: 8px;
    }
    .cd-content-wrap {
        max-width: 98%;
        padding: 12px 6px 35px 6px;
    }
    .cd-block + .cd-block {
        margin-top: 10px;
    }
    .cd-demo-label {
        font-size: 9px;
        padding: 2px 5px;
    }
}

/* ===== 超超小屏手机 (≤320px) ===== */
@media (max-width: 320px) {
    .cd-banner-title { top: 35px; left: 10px; font-size: 12px; }
    .cd-play-btn {
        width: 36px;
        height: 36px;
    }
    .cd-play-btn::after {
        border-top: 7px solid transparent;
        border-bottom: 7px solid transparent;
        border-left: 12px solid #333;
        margin-left: 2px;
    }
    .cd-title-wrap {
        max-width: 98%;
        margin: 18px auto 18px;
        padding: 0 5px;
    }
    .cd-title {
        font-size: 14px;
    }
    .cd-subtitle {
        font-size: 10px;
        margin-top: 3px;
    }
    .cd-divider {
        width: 24px;
        margin-top: 6px;
    }
    .cd-content-wrap {
        max-width: 99%;
        padding: 10px 5px 30px 5px;
    }
    .cd-block + .cd-block {
        margin-top: 8px;
    }
}

/* ===== 横屏模式适配 ===== */
@media (orientation: landscape) and (max-height: 500px) {
    .cd-banner-title { top: 30px; left: 40px; font-size: 16px; }
    .cd-play-btn {
        width: 40px;
        height: 40px;
    }
    .cd-play-btn::after {
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        border-left: 14px solid #333;
    }
    .cd-title-wrap {
        max-width: 80%;
        margin: 20px auto 20px;
        padding: 0 15px;
    }
    .cd-title {
        font-size: 18px;
    }
    .cd-subtitle {
        font-size: 12px;
    }
    .cd-content-wrap {
        max-width: 80%;
        padding: 15px 20px 40px 20px;
    }
}