html, body { font-size: 14px; }

/* ====================================================================
   关于我们 — 企业简介 + 全球分布（复刻壹连版式，自写 CSS）
   主色 #039CEA，类名前缀 zy-ab-
   ==================================================================== */

/* ===== Banner ===== */
.zy-ab-banner {
    position: relative;
    width: 100%;
    height: calc(100vh - 7.14rem - 72px);
    height: calc(100svh - 7.14rem - 72px);
    min-height: 420px;
    overflow: hidden;
}
@media (max-width: 1024px) { .zy-ab-banner { height: 82svh; min-height: 360px; } }
.zy-ab-banner-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.zy-ab-banner-mask { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.15) 60%, transparent 100%); }
.zy-ab-banner-inner {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 100%; max-width: 1440px;
    padding: 0 60px;
    box-sizing: border-box;
    color: #fff;
    animation: zy-ab-rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes zy-ab-rise { from { opacity: 0; transform: translate(-50%, -42%);} to { opacity: 1; transform: translate(-50%, -50%);} }
.zy-ab-banner-cn { font-size: clamp(28px, 4vw, 52px); font-weight: 700; letter-spacing: 2px; margin-bottom: 14px; }
.zy-ab-banner-en { font-size: clamp(14px, 1.4vw, 20px); opacity: 0.9; }

/* ===== 二级栏目 tab ===== */
.zy-ab-tabbar {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #ececec;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.zy-ab-tabbar-inner {
    max-width: 1440px; margin: 0 auto; padding: 0 60px;
    display: flex;
    justify-content: center;   /* 居中 */
    flex-wrap: wrap;
}
.zy-ab-tab {
    display: block;
    padding: 22px 56px;        /* 间距放大 */
    font-size: 16px;
    color: #444;
    text-decoration: none;
    position: relative;
    transition: color 0.25s;
}
/* 按钮间分隔线：第一个之外，每个左侧一条短竖线 */
.zy-ab-tab + .zy-ab-tab::before {
    content: '';
    position: absolute;
    left: 0; top: 50%; transform: translateY(-50%);
    width: 1px; height: 16px; background: #dcdcdc;
}
.zy-ab-tab:hover { color: #039CEA; }
/* 按需求：不做高亮（去掉 active 变色与下划线）*/

/* ===== panel ===== */
.zy-ab-panel { display: none; }
.zy-ab-panel.active { display: block; }

/* ===== 通用 ===== */
.zy-ab-wal { max-width: 1440px; margin: 0 auto; padding: 0 60px; box-sizing: border-box; }
.zy-ab-sec { padding: 72px 0; }
.zy-ab-sec:nth-child(even) { background: #f7f9fb; }
.zy-ab-h2 {
    text-align: center;
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 48px;
    position: relative;
    padding-bottom: 18px;
}
.zy-ab-h2::after {
    content: ''; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
    width: 48px; height: 3px; background: #039CEA; border-radius: 2px;
}
.zy-ab-imgph, .zy-ab-map-img, .zy-ab-sub-img {
    display: flex; align-items: center; justify-content: center;
    color: #9bb7c8; font-size: 15px;
    background: linear-gradient(135deg, #e8f3fb 0%, #d3e9f7 100%);
    border: 1px dashed #aecfe6;
}

/* ===== 企业介绍 ===== */
.zy-ab-intro-row { display: flex; gap: 48px; align-items: center; margin-bottom: 56px; }
.zy-ab-intro-img { flex: 0 0 46%; }
.zy-ab-intro-img .zy-ab-imgph { width: 100%; aspect-ratio: 16/10; border-radius: 10px; }
.zy-ab-intro-txt { flex: 1; font-size: 16px; line-height: 2; color: #555; }
.zy-ab-intro-txt p { margin: 0 0 18px; }

.zy-ab-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; margin-top: 8px; }
.zy-ab-stat { text-align: center; }   /* 纯数字，无背景框 */
.zy-ab-num-wrap { display: inline-flex; align-items: flex-start; line-height: 1; }
.zy-ab-num {
    font-size: clamp(40px, 5vw, 66px);
    font-weight: 800;
    color: #039CEA;
    line-height: 1;
    letter-spacing: -1px;
}
.zy-ab-plus { font-size: clamp(20px, 2.4vw, 30px); font-weight: 800; color: #039CEA; line-height: 1; margin-left: 3px; }
.zy-ab-label { margin-top: 16px; font-size: 15px; color: #888; }

/* ===== 企业文化（4 卡：使命 / 愿景 / 核心价值 / 经营理念）===== */
.zy-ab-culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.zy-ab-culture-card {
    text-align: center;
    padding: 44px 24px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #eef1f4;
    display: flex; flex-direction: column; align-items: center;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s;
}
.zy-ab-culture-card:hover { transform: translateY(-8px); box-shadow: 0 20px 44px rgba(3, 156, 234, 0.14); }
.zy-ab-culture-ico {
    width: 76px; height: 76px; margin: 0 auto 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #039CEA, #0286CC);
    color: #fff; font-size: 18px; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.zy-ab-culture-card h3 { font-size: 19px; color: #1a1a1a; margin: 0 0 4px; }
.zy-ab-culture-en { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: #9bb0bf; margin-bottom: 18px; }
.zy-ab-culture-card p { font-size: 15px; color: #555; line-height: 1.8; margin: 0; }
.zy-ab-culture-card p.zy-ab-culture-eng { font-size: 12.5px; color: #9aa7b0; font-style: italic; margin-top: 10px; line-height: 1.6; }

/* ===== 发展历程：壹连风格（大数字水印 + 前景白字 + 底部可点时间线 + 左右箭头）===== */
.zy-ab-sec.zy-ab-history {
    min-height: 92vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #0b3c63 0%, #0286CC 58%, #039CEA 100%);
}
.zy-ab-history .zy-ab-wal { width: 100%; position: relative; z-index: 2; }
.zy-ab-history .zy-ab-h2 { color: #fff; }
.zy-ab-history .zy-ab-h2::after { background: rgba(255, 255, 255, 0.85); }
.zy-ab-his { margin-top: 8px; }

/* 舞台：水印 + 前景文案 + 箭头 */
.zy-ab-his-stage {
    position: relative;
    min-height: clamp(280px, 38vh, 460px);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 44px;
}
.zy-ab-his-watermark {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(150px, 26vw, 400px);
    font-weight: 800; line-height: 1; letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.12);
    user-select: none; pointer-events: none;
    z-index: 0; white-space: nowrap;
}
.zy-ab-his-panels { position: relative; z-index: 1; width: 100%; text-align: center; min-height: 96px; }
.zy-ab-his-panel { display: none; color: #fff; }
.zy-ab-his-panel.active { display: block; animation: zy-ab-fade 0.5s ease; }
.zy-ab-his-ttl { font-size: clamp(22px, 2.6vw, 34px); font-weight: 700; margin-bottom: 14px; letter-spacing: 1px; }
.zy-ab-his-panel p { font-size: clamp(15px, 1.5vw, 20px); line-height: 1.9; margin: 0; color: rgba(255, 255, 255, 0.92); }
@keyframes zy-ab-fade { from { opacity: 0; transform: translateY(12px);} to { opacity: 1; transform: none;} }

/* 左右箭头 */
.zy-ab-his-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 3;
    width: 54px; height: 54px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.25s, border-color 0.25s, transform 0.15s;
}
.zy-ab-his-arrow:hover { background: rgba(255, 255, 255, 0.2); border-color: #fff; }
.zy-ab-his-arrow:active { transform: translateY(-50%) scale(0.92); }
.zy-ab-his-arrow.prev { left: 0; }
.zy-ab-his-arrow.next { right: 0; }

/* 底部时间线 */
.zy-ab-his-track { position: relative; display: flex; justify-content: space-between; padding-top: 6px; }
.zy-ab-his-rail { position: absolute; left: 0; right: 0; top: 12px; height: 1px; background: rgba(255, 255, 255, 0.35); z-index: 0; }
.zy-ab-his-node {
    position: relative; z-index: 1;
    flex: 1 1 0; min-width: 0;
    background: transparent; border: none; cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 16px;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.25s;
}
.zy-ab-his-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    transition: transform 0.25s, background 0.25s, box-shadow 0.25s;
}
.zy-ab-his-yr { font-size: 16px; font-weight: 600; transition: font-size 0.2s, font-weight 0.2s; }
.zy-ab-his-node:hover { color: #fff; }
.zy-ab-his-node:hover .zy-ab-his-dot { background: #fff; }
.zy-ab-his-node.active { color: #fff; }
.zy-ab-his-node.active .zy-ab-his-dot {
    background: #fff;
    transform: scale(1.4);   /* scale 放大不改变布局盒，圆点中心仍贴在 rail 上 */
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.22);
}
.zy-ab-his-node.active .zy-ab-his-yr { font-size: 18px; font-weight: 800; }

/* ===== 荣誉资质 / 合作伙伴：各自至少占一屏，内容多时自然向下扩展 ===== */
.zy-ab-sec.zy-ab-honor,
.zy-ab-sec.zy-ab-partner {
    min-height: 100vh;
    min-height: 100svh;
    padding-top: clamp(88px, 10vh, 132px);
    padding-bottom: clamp(132px, 16vh, 210px);
    display: flex;
    align-items: center;
    box-sizing: border-box;
}
.zy-ab-honor .zy-ab-wal,
.zy-ab-partner .zy-ab-wal { width: 100%; }
.zy-ab-honor-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    overflow: visible;
}
.zy-ab-honor-card {
    aspect-ratio: 4/3;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #eef1f4;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
    text-align: center; padding: 18px; overflow: hidden;
    color: #555; font-size: 15px; line-height: 1.6;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.zy-ab-honor-card img { max-width: 100%; max-height: 72%; object-fit: contain; }
.zy-ab-honor-card span { display: block; }
.zy-ab-honor-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(3,156,234,0.12); border-color: #cfe9fb; }

/* ===== 合作伙伴：静态自增长 logo 网格 + 原色 logo + hover 双角描边 ===== */
.zy-ab-pt { position: relative; }
.zy-ab-pt-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1px;
    padding: 1px;
    background: #ececec;
}
.zy-ab-pt-tile {
    position: relative;
    height: 128px;
    background: #fff;
    display: flex; align-items: center; justify-content: center;
    padding: 18px 24px;
    box-sizing: border-box;
}
.zy-ab-pt-tile img {
    max-width: 100%; max-height: 100%;
    width: auto; height: auto; object-fit: contain;
    opacity: 1;
    transition: transform 0.3s;
}
/* hover：双角蓝线展开成完整边框（左上角 + 右下角同时往另外两角生长）*/
.zy-ab-pt-tile::before, .zy-ab-pt-tile::after {
    content: ''; position: absolute; inset: 0; box-sizing: border-box;
    pointer-events: none;
    transform: scale(0);
    /* 鼠标离开时用 0.84s 闭合，是展开速度的两倍时长。 */
    transition: transform 0.84s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.zy-ab-pt-tile::before { border-top: 2px solid #039CEA; border-left: 2px solid #039CEA; transform-origin: top left; }
.zy-ab-pt-tile::after  { border-bottom: 2px solid #039CEA; border-right: 2px solid #039CEA; transform-origin: bottom right; }
.zy-ab-pt-tile:hover { z-index: 2; }
.zy-ab-pt-tile:hover::before, .zy-ab-pt-tile:hover::after {
    transform: scale(1);
    transition-duration: 0.42s;
}
.zy-ab-pt-tile:hover img { transform: scale(1.06); }
/* 未配置 logo 时的占位格不触发 hover 描边。 */
.zy-ab-pt-empty { pointer-events: none; }
.zy-ab-pt-empty::before, .zy-ab-pt-empty::after { display: none; }

/* ====================================================================
   企业介绍 子板块：研发体系 / 投入方向 / 战略发展方向
   ==================================================================== */
.zy-ab-subhead { text-align: center; margin: 72px 0 36px; }
.zy-ab-subhead h3 { font-size: clamp(20px, 2.4vw, 28px); font-weight: 700; color: #1a1a1a; margin: 0 0 6px; }
.zy-ab-subhead .en { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: #9bb0bf; }

/* 研发体系 6 卡 */
.zy-ab-rd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.zy-ab-rd-card {
    position: relative; padding: 32px 26px 28px;
    border-radius: 12px; background: #fff; border: 1px solid #eef1f4;
    overflow: hidden; transition: transform 0.3s, box-shadow 0.3s;
}
.zy-ab-rd-card:hover { transform: translateY(-8px); box-shadow: 0 20px 44px rgba(3, 156, 234, 0.12); }
.zy-ab-rd-no { font-size: 42px; font-weight: 800; color: #e3f2fc; line-height: 1; margin-bottom: 8px; }
.zy-ab-rd-card h4 { font-size: 18px; color: #1a1a1a; margin: 0 0 12px; }
.zy-ab-rd-card h4::before {
    content: ''; display: inline-block; width: 18px; height: 3px;
    background: #039CEA; border-radius: 2px; margin-right: 8px; vertical-align: middle;
}
.zy-ab-rd-card p { font-size: 14px; color: #777; line-height: 1.9; margin: 0; }

/* 国内业务分支 卡片 */
.zy-ab-branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.zy-ab-branch-card {
    padding: 26px 24px; border-radius: 12px;
    background: #fff; border: 1px solid #eef1f4;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    scroll-margin-top: 90px;   /* 吸顶 tab 锚点定位偏移 */
}
.zy-ab-branch-card:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(3, 156, 234, 0.12); border-color: #cfe9fb; }
.zy-ab-branch-card.hq { background: linear-gradient(180deg, #f1f9ff 0%, #ffffff 100%); border-color: #cfe9fb; }
.zy-ab-branch-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.zy-ab-branch-city { font-size: 22px; font-weight: 800; color: #1a1a1a; }
.zy-ab-branch-tag { font-size: 12px; font-weight: 600; color: #0286CC; background: #eaf5fd; padding: 4px 12px; border-radius: 14px; }
.zy-ab-branch-tag.hq { color: #fff; background: linear-gradient(135deg, #039CEA, #0286CC); }
.zy-ab-branch-name { font-size: 15px; font-weight: 600; color: #039CEA; margin-bottom: 8px; }
.zy-ab-branch-card p { font-size: 13.5px; color: #777; line-height: 1.85; margin: 0; }

/* ===== 全球分布 ===== */
.zy-ab-map { display: flex; gap: 40px; align-items: stretch; margin-bottom: 28px; }
.zy-ab-map-img { flex: 1; min-height: 420px; border-radius: 12px; }
.zy-ab-map-points {
    flex: 0 0 280px;
    list-style: none; margin: 0; padding: 28px;
    background: #fff; border: 1px solid #eef1f4; border-radius: 12px;
}
.zy-ab-map-points li { display: flex; align-items: center; padding: 12px 0; border-bottom: 1px dashed #eee; color: #555; font-size: 15px; }
.zy-ab-map-points li:last-child { border-bottom: none; }
.zy-ab-dot { width: 12px; height: 12px; border-radius: 50%; margin-right: 10px; flex-shrink: 0; display: inline-block; }
.zy-ab-dot.hq { background: #039CEA; }
.zy-ab-dot.mfg { background: #00BFFF; }
.zy-ab-dot.sale { background: #f4a000; }
.zy-ab-dot.rd { background: #7e57c2; }
.zy-ab-legend { display: flex; flex-wrap: wrap; gap: 28px; justify-content: center; margin-bottom: 56px; }
.zy-ab-legend span { display: flex; align-items: center; gap: 8px; color: #666; font-size: 14px; }
.zy-ab-legend i { width: 12px; height: 12px; border-radius: 50%; }

.zy-ab-subs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.zy-ab-sub-card {
    border-radius: 12px; overflow: hidden;
    background: #fff; border: 1px solid #eef1f4;
    transition: transform 0.3s, box-shadow 0.3s;
    scroll-margin-top: 90px;   /* 吸顶 tab 锚点滚动时不被遮挡 */
}
.zy-ab-sub-card:hover { transform: translateY(-8px); box-shadow: 0 20px 44px rgba(3,156,234,0.12); }
.zy-ab-sub-img { width: 100%; aspect-ratio: 16/10; }
.zy-ab-sub-body { padding: 24px; }
.zy-ab-sub-body h3 { font-size: 19px; color: #1a1a1a; margin: 0 0 12px; }
.zy-ab-sub-body p { font-size: 14px; color: #777; line-height: 1.8; margin: 0; }

/* ===== 运营补充内容 ===== */
.zy-ab-extra { color: #444; line-height: 1.8; }

/* ===== 入场动画 ===== */
.zy-reveal {
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.zy-reveal.in-view { opacity: 1; transform: translateY(0); }

/* 从右往左滑入（用于企业介绍文字）—— 用更高优先级覆盖默认的上浮 */
.zy-reveal.zy-reveal-x { transform: translateX(64px); }
.zy-reveal.zy-reveal-x.in-view { transform: translateX(0); }

/* ====================================================================
   响应式
   ==================================================================== */
@media (max-width: 1024px) {
    .zy-ab-wal, .zy-ab-tabbar-inner, .zy-ab-banner-inner { padding: 0 24px; }
    .zy-ab-sec { padding: 48px 0; }
    .zy-ab-intro-row { flex-direction: column; gap: 28px; }
    .zy-ab-intro-img { flex: none; width: 100%; }
    .zy-ab-stats { grid-template-columns: repeat(2, 1fr); }
    .zy-ab-culture-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .zy-ab-honor-grid { grid-template-columns: repeat(3, 1fr); }
    .zy-ab-pt-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .zy-ab-pt-tile { height: 112px; }
    .zy-ab-rd-grid { grid-template-columns: repeat(2, 1fr); }
    .zy-ab-branch-grid { grid-template-columns: repeat(2, 1fr); }
    .zy-ab-map { flex-direction: column; }
    .zy-ab-map-points { flex: none; }
    .zy-ab-map-img { min-height: 280px; }
    .zy-ab-subs { grid-template-columns: 1fr; }
    .zy-ab-tab { padding: 18px 22px; font-size: 15px; }
}

@media (max-width: 768px) {
    .zy-ab-honor-grid { grid-template-columns: repeat(2, 1fr); }
    .zy-ab-pt-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .zy-ab-sec.zy-ab-honor,
    .zy-ab-sec.zy-ab-partner {
        padding-top: 72px;
        padding-bottom: 112px;
    }
    .zy-ab-culture-grid { grid-template-columns: 1fr; }
    .zy-ab-rd-grid { grid-template-columns: 1fr; }
    .zy-ab-branch-grid { grid-template-columns: 1fr; }
    .zy-ab-tab { padding: 16px 18px; font-size: 14px; }
    /* 发展历程 */
    .zy-ab-his-arrow { width: 42px; height: 42px; }
    .zy-ab-his-track { gap: 2px; }
    .zy-ab-his-node { gap: 12px; }
    .zy-ab-his-yr { font-size: 13px; }
    .zy-ab-his-node.active .zy-ab-his-yr { font-size: 14px; }
}

@media (max-width: 480px) {
    .zy-ab-wal, .zy-ab-tabbar-inner, .zy-ab-banner-inner { padding: 0 16px; }
    .zy-ab-stats { grid-template-columns: 1fr; }
    .zy-ab-pt-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .zy-ab-pt-tile { height: 92px; padding: 14px 16px; }
    .zy-ab-tab { padding: 13px 14px; font-size: 13px; }
    /* 发展历程：箭头贴边避免压住文案 */
    .zy-ab-his-arrow { width: 36px; height: 36px; }
    .zy-ab-his-yr { font-size: 11px; }
    .zy-ab-his-node.active .zy-ab-his-yr { font-size: 12px; }
}