/* ========================================
 * 气浮传输技术页面样式
 * ======================================== */

/* ---- common ---- */
.abr-section-gray {
    width: 100%;
    background: linear-gradient(to bottom, #cccccc, #f5f5f5);
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    padding: 40px 80px;
    margin-bottom: 20px;
}
.abr-section-gray h2 {
    font-size: 46px;
    color: #000;
}
.abr-section-gray .descriptions {
    font-size: 20px;
    line-height: 1.5;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}
.abr-section-gray .image-cards {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}
.abr-section-gray .image-cards .card-side {
    padding: 10px;
}
.abr-section-gray .image-cards .card-side--border {
    border-left: 1px solid #ccc;
    padding: 10px 20px;
}
.abr-section-gray .image-cards .card-img {
    width: 100%;
}

/* ---- hero banner ---- */
.abr-hero-banner {
    position: relative;
    min-height: 700px;
    width: 100%;
}
.abr-hero-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}
.abr-hero-banner > * {
    position: relative;
    z-index: 2;
}
.abr-hero-banner__fade-bottom {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.01));
}

/* ---- secondary hero banner ---- */
.abr-hero-banner--secondary {
    position: relative;
    min-height: 700px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.abr-hero-banner--secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}
.abr-hero-banner--secondary > * {
    position: relative;
    z-index: 2;
}

/* ---- typography ---- */
.abr-tit1 {
    font-size: 68px;
    text-align: center;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    margin: 20px auto;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}
.abr-tit1--black {
    color: #000;
    text-shadow: none;
}
.abr-hero-subtitle {
    font-size: 24px;
    text-align: center;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    margin-top: 80px;
    color: #fff;
}
.abr-hero-subtitle--black {
    color: #000;
}

/* ---- feature card (hero bottom) ---- */
.abr-feature-card {
    background: #4a694e;
    padding: 10px;
    display: flex;
    align-items: center;
    border-radius: 6px;
    height: 100%;
}
.abr-feature-card img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex-shrink: 0;
}
.abr-feature-card__title {
    font-size: 16px;
    color: #fff;
}
.abr-feature-card__desc {
    font-size: 14px;
    line-height: 1.5;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: #fff;
}

/* ---- feature item (icon + text row) ---- */
.abr-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 0 10px;
    border-bottom: 1px dashed #5b6069;
    line-height: 1.5;
}
.abr-feature-item--no-border {
    border-bottom: none;
}
.abr-feature-item img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    flex-shrink: 0;
}
.abr-feature-item__label {
    font-size: 20px;
    font-weight: 700;
}
.abr-feature-item__label--sm {
    font-size: 18px;
    font-weight: 700;
}
.abr-feature-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
    padding-top: 10px;
}
.abr-feature-desc--lg {
    font-size: 18px;
}
.abr-feature-desc--md {
    font-size: 16px;
}

/* ---- left-border note ---- */
.abr-left-border-note {
    background-color: #fff;
    border-left: 8px solid #000;
    padding: 1.2rem 1.5rem;
}

/* ---- misc ---- */
.abr-card-spacer {
    padding-top: 40px;
    padding-bottom: 40px;
}
.abr-gap-top {
    margin-top: 20px;
}
.abr-gap-top-lg {
    margin-top: 50px;
}
.abr-divider {
    border-bottom: 1px dashed #5b6069;
    margin: 20px auto;
}
.abr-text-block {
    background-color: #fff;
    color: #000;
    padding: 15px;
    line-height: 1.5;
    font-size: 16px;
}

/* ---- product detail cards ---- */
.abr-card-flat {
    border-radius: 0;
}

/* ---- alternating section backgrounds ---- */
.abr-section-dark {
    width: 100%;
    padding: 20px 0;
    background: linear-gradient(to bottom, #cccccc, #f5f5f5);
}
.abr-section-light {
    width: 100%;
    padding: 20px 0;
    background: linear-gradient(to bottom, #ffffff, #f0f0f0);
}