/* =====================================================================
   发展历程板块样式 v7 —— 9 节点固定坐标 + 环形滑动窗口
   ===================================================================== */

/* ---- 板块 ---- */
.dev-history-section {
    width: 100%;
    box-sizing: border-box;
    padding-bottom: 2px;
    padding-left: 240px;
    padding-right: 240px;
    background: #fff url('/res/runsheng/images/box_bg_combine6.jpg') no-repeat top left / 100% auto;
    position: relative;
    overflow: hidden;                 /* 防溢出到下方资质荣誉 */
}
.dev-history-inner { width: 100%; margin: 0 auto; }

/* ---- 标题 plate-title ---- */
.dev-history-title {
    width: 100%;
    margin: 15px auto 0;
    position: relative;
    z-index: 1;
    font-weight: bold;
    box-sizing: border-box;
    padding: 0 6.5%;
}
.dev-history-title .dev-en {
    font-size: 64px;
    color: #eeeae4;
    line-height: 76px;
    letter-spacing: -0.2px;
    font-family: "Noto Sans SC", sans-serif;
}
.dev-history-title p { display: flex; flex-direction: column; }
.dev-history-title .dev-cn-row { flex-direction: row; align-items: center; margin: -34px 0 0; }
.dev-history-title .dev-cn {
    color: #c70019;
    font-size: 34px;
    font-weight: 700;
}
.dev-history-title .dev-ari {
    font-size: 16px;
    margin-top: 8px;
    margin-left: 12px;
    color: #b9b4ac;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.dev-history-title .dev-desc {
    flex-direction: row;
    align-items: center;
    height: 34px;
    font-size: 14px;
    color: #333;
    margin-top: 24px;
    font-weight: normal;
    line-height: 34px;
    margin-top: 1px;
}
.dev-history-title .dev-desc b { color: #e23c32; margin: 0 2px; }
.dev-history-title .dev-desc span {
    height: 34px;
    display: inline-block;
    background: #e23c32;
    border-radius: 4px;
    color: #fff;
    line-height: 34px;
    padding: 0 10px;
    margin-left: 8px;
}

/* ---- 线图 combine-line ---- */
.dev-combline {
    width: 100%;
    height: auto;
    position: absolute;
    top: 106px;
    left: 0;
    display: block;
    z-index: 1;
}

/* ---- 时间线节点 log-point (ul) ---- */
.dev-timeline-points {
    width: 100%;
    position: absolute;
    top: 106px;
    left: 0;
    box-sizing: border-box;
    z-index: 2;
    list-style: none;
    margin: 0;
    padding: 0;
}
.dev-timeline-points li {
    height: 74px;
    position: absolute;
    display: flex;
    align-items: center;
    flex-direction: column;
    cursor: pointer;
    list-style: none;
}
.dev-timeline-points li .circle {
    display: inline-block;
    width: 12px;
    height: 12px;
    position: absolute;
    left: calc(50% - 6px);
    transform: translateX(-50%);
    border-radius: 50%;
    background: #e23c32;
    transition: transform .3s;
}
.dev-timeline-points li .circle::before {
    content: "";
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(226, 60, 50, 0.2);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all .3s;
}
.dev-timeline-points li p {
    font-weight: bold;
    color: #e23c32;
    height: 40px;
    display: flex;
    align-items: center;
    white-space: nowrap;
}
.dev-timeline-points li p b { font-size: 34px; margin-right: 8px; }
.dev-timeline-points li p span { margin-top: 8px; }

/* 奇数位(1/3/5/7/9)：圆点在上，年份在下 */
.dev-timeline-points li.pos-up p:not(.circle) { margin-top: 34px; }
.dev-timeline-points li.pos-up .circle { top: 0; }
/* 偶数位(2/4/6/8)：圆点在下，年份在上 */
.dev-timeline-points li.pos-down .circle { bottom: 0; }
.dev-timeline-points li.pos-down p { margin-top: 0; }

/* ---- current 高亮：节点变大 ---- */
.dev-timeline-points li.current { z-index: 6; }
.dev-timeline-points li.current .circle {
    transform: translateX(-50%) scale(1.4);
}
.dev-timeline-points li.current p b {
    color: #c70019;
    font-size: 40px;
}

/* ---- 事件面板 log-current (红底 swiper) ---- */
.dev-log-current {
    width: 100%;
    height: 254px;
    border-radius: 10px;
    //background: #e23c32 url('/res/runsheng/images/box_bg_combine7.png') no-repeat top right / cover;
    //opacity: 0.55;
    background: url(/res/runsheng/images/bg_combine7.png) no-repeat right bottom;
    position: relative;
    z-index: 3;
    margin: 705.906px auto 0;
    box-sizing: border-box;
    padding: 42px 180px 20px;
    text-align: center;
    color: #fff;
}
.dev-log-current .log-swiper {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.dev-log-current .dev-slide { text-align: center; display: none; }
.dev-log-current .dev-slide:first-child { display: block; }
.dev-log-current .year {
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.dev-log-current .year b {
    display: inline-block;
    position: relative;
    font-size: 50px;
    color: #fff;
    font-weight: bold;
}
.dev-log-current .year b::before {
    content: "";
    width: 34px;
    height: 2px;
    background: #fff;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}
.dev-log-current .year span {
    display: inline-block;
    width: 28px;
    height: 28px;
    text-align: center;
    line-height: 28px;
    border-radius: 50%;
    color: #e23c32;
    font-weight: bold;
    background: #fff;
    margin-top: 14px;
    margin-left: 8px;
}
.dev-log-current .event {
    font-size: 18px;
    color: #fff;
    line-height: 32px;
    margin-top: 28px;
    text-align: center;
}
.dev-log-current .log-prev,
.dev-log-current .log-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: none;
    color: #e23c32;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    font-size: 28px;
    line-height: 40px;
    cursor: pointer;
    transition: background .3s;
    z-index: 5;
}
.dev-log-current .log-prev:hover,
.dev-log-current .log-next:hover { background: rgba(255, 255, 255, 0.4); }
.dev-log-current .log-prev { left: 50px; }
.dev-log-current .log-next { right: 50px; }

@media (max-width: 1200px) {
    .dev-history-title .dev-en { font-size: 46px; line-height: 58px; }
    .dev-history-title .dev-cn { font-size: 28px; }
    .dev-history-title .dev-cn-row { margin-top: -26px; }
    .dev-history-title .dev-desc { font-size: 18px; }
    .dev-log-current { padding: 36px 110px 16px; }
    .dev-log-current .log-prev { left: 24px; }
    .dev-log-current .log-next { right: 24px; }
}
@media (max-width: 768px) {
    .dev-history-title { padding: 0 20px; }
    .dev-history-title .dev-en { font-size: 30px; line-height: 40px; }
    .dev-history-title .dev-ari { font-size: 12px; }
    .dev-history-title .dev-desc { font-size: 15px; height: auto; flex-wrap: wrap; line-height: 30px; }
    .dev-timeline-points li p b { font-size: 24px; }
    .dev-log-current { padding: 30px 60px 16px; height: 230px; }
    .dev-log-current .year b { font-size: 36px; }
    .dev-log-current .event { font-size: 15px; }
}