/* 导航链接交互 */
.table-model-link {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 600;
}
.table-model-link:hover {
    text-decoration: underline;
    color: #600000;
}
/* 表格机型单元格居中 */
.model-td {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}
/* ========== Hero区域图片专用样式（图片路径放HTML，文字沿用application.css优质样式） ========== */
.application-hero {
    position: relative;
    width: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
/* 深色遮罩，提升文字可读性（取自application.css） */
.application-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}
.application-hero-content-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}
/* 主大标题 h2 完全复用application.css字号、阴影、字重 */
.application_hero-text h2 {
    color: #ffffff !important;
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0.5), 0 4px 12px rgba(0,0,0.6);
    letter-spacing: 1px;
}
/* 页面主标题 */
.application_section-title {
    color: #ffffff !important;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin: 0;
    padding: 0 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0.5);
}
/* 副标题 */
.application_hero-subtitle {
    color: #ffffff !important;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin: 0;
    padding: 0 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0.5);
}
/* ========== 业务模块通用样式 ========== */
/* 计算模块外框（压力/风量/案例共用） */
.calc-block {
    margin-bottom: 50px;
    padding: 18px;
    background: #fafafa;
    border-left: 4px solid var(--primary-red);
    border-radius: 0 8px 0;
}
.calc-block--large {
    margin-bottom: 60px;
    padding: 24px;
}
/* 模块标题 */
.calc-title {
    color: var(--primary-red);
    margin-bottom: 16px;
    font-size: 24px;
}
.calc-title-sm {
    color: var(--primary-red);
    margin-bottom: 20px;
    font-size: 22px;
}
/* 公式代码块 */
.calc-code {
    display: block;
    padding: 12px;
    background: #fff;
    margin: 10px 0;
    font-size: 16px;
}
/* 双栏/三栏参数网格 */
.grid-two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 10px;
    margin-bottom: 18px;
}
.grid-three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}
/* 参数卡片 */
.param-card {
    padding: 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}
.param-card h4 {
    color: var(--primary-red);
    margin-bottom: 8px;
    font-size: 16px;
}
.param-card p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
    flex-grow: 1;
}
/* ========== 内容插图通用样式（图片路径写HTML，CSS仅控制布局） ========== */
.img-wrap {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px;
    box-sizing: border-box;
    background: #fff;
}
.img-inner-box {
    width: 100%;
    max-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.img-inner-box img {
    max-width: 100%;
    max-height: 360px;
    object-fit: contain;
}
.img-caption {
    text-align: center;
    font-size: 13px;
    color: var(--muted);
    margin: 8px 0 0;
}
/* 工况案例卡片 */
.case-box {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.case-tip {
    font-size: 14px;
    color: #c0392b;
    background: #fff5f5;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #f8ccd0;
}
/* 通用居中提示文本 */
.text-center-muted {
    text-align: center;
    color: var(--muted);
    margin-bottom: 40px;
}
.sub-heading {
    font-size: 18px;
    margin: 24px 0 12px;
}
/* 询价按钮容器 */
.quote-btn-wrap {
    text-align: center;
    margin-top: 60px;
}
/* ========== 表格全套样式（已剥离所有行内style） ========== */
.table-wrap {
    margin-bottom: 40px;
}
.aqua-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border);
}
.aqua-table th {
    border: 1px solid var(--border);
    padding: 12px;
}
.aqua-table th:first-child {
    text-align: left;
}
.aqua-table th:not(:first-child) {
    text-align: center;
}
.aqua-table td {
    border: 1px solid var(--border);
    padding: 12px;
}
.aqua-table td:not(:first-child) {
    text-align: center;
}
.table-desc-text {
    margin-top: 16px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}

/* ========== 公式示意图容器（计算图：压力/风量等） ========== */
.calc-diagram-wrap {
    width: 100%;
    margin: 28px 0 32px;
    text-align: center;
}
.calc-diagram-wrap img {
    display: block;
    width: 100%;
    max-width: 1500px;
    height: auto;
    margin: 0 auto;
    border-radius: 8px;
    /* 文字密集示意图：位图缩放时锐化插值，消除笔画虚影 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast;
}