/* 巨幕：与 Eductor-Nozzle.html 保持一致 */
.jm {
    position: relative;
    height: 600px;
    background: url('../../images/banner/lib.jpg') no-repeat;
    background-size: cover;
}

@media screen and (max-width: 1680px) {
    .jm { height: 525px; }
}

@media screen and (max-width: 1440px) {
    .jm { height: 450px; }
}

@media screen and (max-width: 1280px) {
    .jm { height: 400px; }
}

@media screen and (max-width: 1279px) {
    .jm {
        height: 300px;
        margin-top: -30px;
    }
}

@media screen and (max-width: 810px) {
    .jm {
        height: 260px;
        margin-top: 0;
    }
}

@media screen and (max-width: 580px) {
    .jm {
        background-size: contain;
        background: url('../../images/banner/h5/lib-iphone.jpg') no-repeat;
        background-position: left;
        display: block;
        height: 200px;
    }
}

/* 麵包屑：与 Eductor-Nozzle.html 保持一致 */
.mbx-row {
    display: flex;
    height: 100px;
    margin-bottom: 30px;
    border-bottom: 1px solid #e7e7e7;
    flex-direction: row;
    align-items: center;
}

.mbx-text p {
    display: inline-block;
    padding-top: 8px;
    font-size: 15px;
    font-style: normal;
    font-weight: 800;
}

.mbx-text p::after {
    display: inline-block;
    margin: 0 .6em;
    color: #000;
    content: '\00bb';
}

.mbx-text p:last-child::after {
    display: none;
}

/* 文章正文 */
.venturi-content {
    --ink: #102a2e;
    --muted: #547077;
    --brand: #087f8c;
    --brand-dark: #075e68;
    --accent: #d8f3ed;
    --line: #d9e7e8;
    --paper: #fff;
    --wash: #f3f8f7;
    --warm: #f3a712;
    --shadow: 0 18px 50px rgba(13, 63, 69, .1);
    color: var(--ink);
    background: var(--wash);
}

.outerbox {
    margin: 0;
    padding: 18px 16px 72px;
    background: linear-gradient(180deg, #f7faf8 0%, #fff 100%);
}

.venturi-article {
    min-width: 0;
    padding: 48px 60px 52px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid #e1ebe5;
    border-radius: 16px;
    box-shadow: 0 16px 45px rgba(35, 83, 57, .08);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
    line-height: 1.8;
    text-rendering: optimizeLegibility;
}

.venturi-article a {
    color: var(--brand-dark);
    text-underline-offset: 3px;
}

.venturi-article a:hover {
    color: var(--brand);
}

.venturi-article .article-head {
    margin: 0 0 38px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--line);
}

.venturi-article h1 {
    max-width: 900px;
    margin: 0;
    color: var(--ink);
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.2;
    letter-spacing: -.025em;
}

.venturi-article .article-lead {
    max-width: 830px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: clamp(15px, 1.5vw, 17px);
}

.venturi-article .article-kicker {
    margin-bottom: 8px;
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.venturi-article .answer {
    margin: 0 0 42px;
    padding: 30px 34px;
    background: var(--paper);
    border: 1px solid #cce2df;
    border-left: 6px solid var(--warm);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.venturi-article .answer p {
    margin: 0;
    font-size: 18px;
}

.venturi-article section {
    scroll-margin-top: 100px;
}

.venturi-article h2 {
    margin: 58px 0 18px;
    font-size: clamp(27px, 3vw, 38px);
    line-height: 1.3;
}

.venturi-article h2.compact-title {
    font-size: clamp(22px, 2.2vw, 28px);
}

.venturi-article h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.venturi-article p {
    margin: 0 0 20px;
}

.venturi-article .step-grid,
.venturi-article .application-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.venturi-article .step {
    padding: 23px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
}

.venturi-article .num {
    display: inline-grid;
    width: 34px;
    height: 34px;
    margin-bottom: 14px;
    color: var(--brand-dark);
    background: var(--accent);
    border-radius: 10px;
    place-items: center;
    font-weight: 900;
}

.venturi-article .step p,
.venturi-article .component p,
.venturi-article .application p,
.venturi-article .faq details p {
    color: var(--muted);
}

.venturi-article .step p {
    margin: 0;
}

.venturi-article .formula {
    margin: 27px 0;
    padding: 22px 24px;
    background: #eaf7f5;
    border: 1px solid #afd7d2;
    border-radius: 14px;
}

.venturi-article .formula b {
    display: block;
    margin-bottom: 6px;
    font-size: 20px;
}

.venturi-article .formula code {
    color: #064b54;
    font-size: 17px;
}

.venturi-article figure {
    margin: 34px 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.venturi-article figure img {
    display: block;
    width: 100%;
    height: auto;
}

.venturi-article .components {
    display: grid;
    gap: 12px;
}

.venturi-article .component {
    padding: 19px 21px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 13px;
}

.venturi-article .component p {
    margin: 4px 0 0;
}

.venturi-article .flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 25px 0;
}

.venturi-article .flow div {
    position: relative;
    padding: 17px 10px;
    color: #14535b;
    background: #e7f5f2;
    border-radius: 12px;
    text-align: center;
    font-weight: 800;
}

.venturi-article .flow div:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: -10px;
    z-index: 2;
    color: var(--brand);
    content: "→";
    transform: translateY(-50%);
}

.venturi-article .table-wrap {
    overflow-x: auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.venturi-article table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
}

.venturi-article th,
.venturi-article td {
    padding: 14px 16px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.venturi-article th:last-child,
.venturi-article td:last-child {
    border-right: 0;
}

.venturi-article tr:last-child td {
    border-bottom: 0;
}

.venturi-article thead th {
    color: #fff;
    background: var(--brand-dark);
}

.venturi-article tbody tr:nth-child(even) {
    background: #f7fbfa;
}

.venturi-article .note {
    padding: 15px 18px;
    color: #674b10;
    background: #fff5dc;
    border-radius: 10px;
    font-size: 14px;
}

.venturi-article .application-grid {
    margin: 24px 0;
}

.venturi-article .application {
    padding: 22px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.venturi-article .application h3 {
    color: var(--brand-dark);
}

.venturi-article .application p {
    margin: 7px 0 0;
}

.venturi-article .faq details {
    margin-bottom: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
}

.venturi-article .faq summary {
    padding: 18px 20px;
    cursor: pointer;
    font-weight: 800;
}

.venturi-article .faq details p {
    margin: 0;
    padding: 0 20px 20px;
}

.venturi-article .media-return {
    display: flex;
    margin-top: 38px;
}

.venturi-article .media-return-link {
    display: inline-flex;
    min-height: 42px;
    padding: 8px 18px;
    color: var(--ink);
    background: #eef6f1;
    border: 1px solid #d4e7da;
    border-radius: 999px;
    align-items: center;
    gap: 7px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color .2s ease, transform .2s ease;
}

.venturi-article .media-return-link:hover {
    color: var(--ink);
    background: #e2f1e7;
    transform: translateX(-2px);
}

.venturi-article .media-return-link .icon {
    font-size: 22px;
    line-height: 1;
}

@media screen and (max-width: 991px) {
    .outerbox {
        padding: 10px 14px 54px;
    }

    .venturi-article {
        max-width: 880px;
        padding: 40px 40px 46px;
    }

    .venturi-article .step-grid,
    .venturi-article .application-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 580px) {
    .mbx-row {
        height: auto;
        min-height: 78px;
        margin-bottom: 18px;
        padding: 13px 0;
    }

    .mbx-text p {
        font-size: 13px;
    }

    .outerbox {
        padding: 0 10px 42px;
    }

    .venturi-article {
        padding: 30px 20px 36px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(35, 83, 57, .07);
    }

    .venturi-article .answer {
        padding: 24px;
    }

    .venturi-article .flow {
        grid-template-columns: 1fr 1fr;
    }
}