/* ===================================================================
   research_enhance.css — 科研成果页面美化覆盖层
   v1.0  2026-04-10
   =================================================================== */

/* ---------- 0. 页面背景基调 ---------- */
.pg_32_11,
.pg_32_37,
.pg_32_44,
.pg_32_56 {
    border-top: none !important;
    background-image: none !important;
}

/* 交替背景色，增加层次感 */
.pg_32_11 {
    background: linear-gradient(160deg, #f8fafe 0%, #f1f5fb 100%) !important;
}
.pg_32_37 {
    background: #ffffff !important;
}
.pg_32_44 {
    background: linear-gradient(160deg, #f8fafe 0%, #f1f5fb 100%) !important;
}
.pg_32_56 {
    background: #ffffff !important;
}

/* Section 间距统一 */
.pg_32_11,
.pg_32_37,
.pg_32_44,
.pg_32_56 {
    padding-top: 50px !important;
    padding-bottom: 50px !important;
}
@media (min-width: 992px) {
    .pg_32_11,
    .pg_32_37,
    .pg_32_44,
    .pg_32_56 {
        padding-top: 80px !important;
        padding-bottom: 80px !important;
    }
}

/* ---------- 1. Banner 区域美化 ---------- */
.pg_32_5 {
    overflow: hidden;
}
.pg_32_6 {
    transition: transform 8s ease;
}
.pg_32_9 h1 {
    color: #1a3a5c !important;
    font-weight: 700 !important;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.5);
}
.pg_32_9 span {
    color: rgba(26, 58, 92, 0.6) !important;
    letter-spacing: 1px;
}

/* ---------- 2. 子导航栏美化 ---------- */
.pg_32_62 {
    background: #ffffff !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06) !important;
    border-bottom: 1px solid #eef2f9;
    position: relative;
    z-index: 10;
}

/* 隐藏中间4个导航项（保留第1个和最后1个） */
.pg_32_65 ul li:nth-child(2),
.pg_32_65 ul li:nth-child(3),
.pg_32_65 ul li:nth-child(4),
.pg_32_65 ul li:nth-child(5) {
    display: none !important;
}

.pg_32_65 ul li a {
    color: #4a5568 !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    position: relative;
}

.pg_32_65 ul li a:hover {
    color: #1a5297 !important;
}

.pg_32_65 ul li a.active {
    color: #1a5297 !important;
    font-weight: 600 !important;
}

/* 底部指示线改为品牌渐变 */
.pg_32_65 ul li a.active::after,
.pg_32_65 ul li a:hover::after {
    background: #1a5297 !important;
    height: 3px !important;
    border-radius: 2px !important;
}

@media (min-width: 768px) {
    .pg_32_65 ul li a {
        font-size: 15px !important;
        padding: 0 18px !important;
    }
    .pg_32_65 ul li a.active::after,
    .pg_32_65 ul li a:hover::after {
        background: #1a5297 !important;
        height: 3px !important;
        border-radius: 2px !important;
    }
}

@media (min-width: 1200px) {
    .pg_32_65 ul li a {
        font-size: 16px !important;
        padding: 0 28px !important;
    }
}

/* ---------- 3. Section 标题统一美化 ---------- */
/* 去掉 Logo 水印背景，改用渐变下划线 */
.pg_32_15,
.pg_32_41,
.pg_32_48,
.pg_32_60 {
    background-image: none !important;
    padding-left: 0 !important;
    text-align: center !important;
    display: inline-block;
}

.pg_32_15 h1,
.pg_32_41 h1,
.pg_32_48 h1,
.pg_32_60 h1 {
    text-align: center !important;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
    color: #1a2a3f !important;
}

/* 渐变下划线 */
.pg_32_15 h1::after,
.pg_32_41 h1::after,
.pg_32_48 h1::after,
.pg_32_60 h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1a5297;
    border-radius: 2px;
}

/* 英文副标题 */
.pg_32_15 h1 span,
.pg_32_41 h1 span,
.pg_32_48 h1 span,
.pg_32_60 h1 span {
    color: #b0bec5 !important;
    font-size: 12px !important;
    letter-spacing: 2px !important;
    margin-top: 12px !important;
    text-align: center !important;
}

@media (min-width: 992px) {
    .pg_32_15 h1 span,
    .pg_32_41 h1 span,
    .pg_32_48 h1 span,
    .pg_32_60 h1 span {
        font-size: 13px !important;
        letter-spacing: 4px !important;
    }
}

/* 标题容器居中 */
.pg_32_14,
.pg_32_40,
.pg_32_47,
.pg_32_59 {
    text-align: center !important;
    width: 100%;
}

/* ---------- 4. 文本段落优化 ---------- */
.pg_32_19,
.pg_32_43,
.pg_32_51,
.pg_32_55 {
    color: #3d4f5f !important;
    font-size: 15px !important;
    line-height: 1.9 !important;
    text-align: justify !important;
    border-radius: 0 !important;
}

@media (min-width: 992px) {
    .pg_32_19,
    .pg_32_43,
    .pg_32_51,
    .pg_32_55 {
        font-size: 16px !important;
        line-height: 2 !important;
    }
}

/* ---------- 5. 优点 & 应用场景 卡片美化 ---------- */
.pg_32_21,
.pg_32_29 {
    background-image: none !important;
    background: linear-gradient(135deg, #1a5297 0%, #2770b8 100%) !important;
    border-radius: 16px !important;
    padding: 24px !important;
    box-shadow: 0 8px 32px rgba(26, 82, 151, 0.18) !important;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

.pg_32_21:hover,
.pg_32_29:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 40px rgba(26, 82, 151, 0.25) !important;
}

@media (min-width: 768px) {
    .pg_32_21,
    .pg_32_29 {
        padding: 28px !important;
    }
}

@media (min-width: 1200px) {
    .pg_32_21,
    .pg_32_29 {
        padding: 32px !important;
    }
}

/* 标题 */
.pg_32_22,
.pg_32_30 {
    font-size: 18px !important;
    font-weight: 700 !important;
    padding-bottom: 12px;
    margin-bottom: 12px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

@media (min-width: 1200px) {
    .pg_32_22,
    .pg_32_30 {
        font-size: 20px !important;
    }
}

/* 列表项 */
.pg_32_23, .pg_32_24, .pg_32_25,
.pg_32_26, .pg_32_27, .pg_32_28,
.pg_32_31, .pg_32_32, .pg_32_33,
.pg_32_34, .pg_32_35, .pg_32_36 {
    line-height: 36px !important;
    transition: transform 0.2s ease;
}

.pg_32_23:hover, .pg_32_24:hover, .pg_32_25:hover,
.pg_32_26:hover, .pg_32_27:hover, .pg_32_28:hover,
.pg_32_31:hover, .pg_32_32:hover, .pg_32_33:hover,
.pg_32_34:hover, .pg_32_35:hover, .pg_32_36:hover {
    transform: translateX(4px);
}

/* 图标颜色 */
.pg_32_23 i, .pg_32_24 i, .pg_32_25 i,
.pg_32_26 i, .pg_32_27 i, .pg_32_28 i,
.pg_32_31 i, .pg_32_32 i, .pg_32_33 i,
.pg_32_34 i, .pg_32_35 i, .pg_32_36 i {
    color: #f7a83d !important;
    margin-right: 8px !important;
}

/* ---------- 6. 图片美化（全局圆角 + 阴影 + hover） ---------- */
.pg_32_17 img,
.pg_32_42 img,
.pg_32_54 img,
.pg_32_61 img {
    border-radius: 14px !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08) !important;
    transition: transform 0.4s ease, box-shadow 0.4s ease !important;
}

.pg_32_17:hover img,
.pg_32_42:hover img,
.pg_32_54:hover img,
.pg_32_61:hover img {
    transform: scale(1.01);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12) !important;
}

/* 图片容器边框也加圆角 */
.pg_32_54 {
    border-radius: 14px !important;
    border-color: #e8eef5 !important;
    overflow: hidden;
}

/* ---------- 7. 视频容器美化 ---------- */
.pg_32_52 {
    margin-top: 20px;
}

.pg_32_52 video {
    border-radius: 14px !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1) !important;
    width: 100%;
}

/* ---------- 8. 优点与应用区域 margin 微调 ---------- */
.pg_32_20 {
    margin-top: 30px !important;
}

@media (min-width: 992px) {
    .pg_32_20 {
        margin-top: 50px !important;
    }
}

/* ---------- 9. Container 宽度统一 ---------- */
@media (min-width: 1200px) {
    .pg_32_11 .container,
    .pg_32_37 .container,
    .pg_32_44 .container,
    .pg_32_56 .container {
        max-width: 1200px !important;
    }
}