.vacuum-pump-page {
    overflow-x: hidden;
    background: #050b14;
    color: #eef5fb;
}

.vacuum-pump-page .site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(62, 150, 197, 0.18);
    background: rgba(7, 17, 31, 0.94);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.vacuum-pump-page .site-nav {
    position: static;
    display: flex;
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem clamp(1rem, 3vw, 1.5rem);
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.vacuum-pump-page .site-nav > a {
    display: inline-flex;
    flex: 0 0 auto;
}

.vacuum-pump-page .site-nav img {
    display: block;
    width: 186px;
    max-width: 48vw;
    height: auto;
}

.vacuum-pump-page .nav-links {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 2vw, 1.8rem);
    color: rgba(238, 246, 255, 0.78);
    font-size: 0.95rem;
    font-weight: 700;
}

.vacuum-pump-page .nav-links a {
    color: inherit;
    white-space: nowrap;
    text-decoration: none;
    transition: color 0.2s ease;
}

.vacuum-pump-page .nav-links a:hover,
.vacuum-pump-page .nav-links a:focus-visible {
    color: #68dcff;
}

.vacuum-pump-page main {
    overflow: hidden;
}

.pump-container {
    width: min(100% - 3rem, 1180px);
    margin-inline: auto;
}

.pump-hero {
    position: relative;
    padding: clamp(7rem, 11vw, 9rem) 0 clamp(4.5rem, 7vw, 6.5rem);
    border-bottom: 1px solid rgba(86, 158, 191, 0.18);
    background:
        linear-gradient(90deg, rgba(31, 126, 166, 0.045) 1px, transparent 1px),
        linear-gradient(rgba(31, 126, 166, 0.045) 1px, transparent 1px),
        linear-gradient(135deg, #06101c 0%, #050b14 58%, #0e0b0a 100%);
    background-size: 58px 58px, 58px 58px, auto;
}

.pump-breadcrumb {
    position: static;
    inset: auto;
    width: auto;
    max-width: none;
    margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}

.pump-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    color: #8499aa;
    font-size: 0.9rem;
    list-style: none;
}

.pump-breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 0.55rem;
    color: rgba(122, 151, 173, 0.58);
}

.pump-breadcrumb a {
    color: #b5c5d1;
    text-decoration: none;
}

.pump-breadcrumb a:hover,
.pump-breadcrumb a:focus-visible {
    color: #43d5f2;
}

.pump-hero__layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
    align-items: center;
    gap: clamp(2.5rem, 5vw, 5rem);
}

.pump-hero__content,
.pump-hero__visual {
    animation: pump-enter 0.6s ease both;
}

.pump-hero__visual {
    animation-delay: 0.08s;
}

.pump-eyebrow,
.pump-section-label {
    margin: 0 0 0.85rem;
    color: #42d6f2;
    font-family: 'Poppins', 'Noto Sans TC', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
}

.pump-hero h1 {
    max-width: 9em;
    margin: 0;
    color: #ffffff;
    font-size: clamp(2rem, 4.1vw, 3.7rem);
    font-weight: 800;
    line-height: 1.13;
    letter-spacing: 0;
    white-space: nowrap;
}

.pump-hero__description {
    max-width: 38rem;
    margin: 1.5rem 0 0.8rem;
    color: #c1ced8;
    font-size: clamp(1rem, 1.35vw, 1.15rem);
    line-height: 1.85;
}

.pump-hero__note {
    display: flex;
    max-width: 38rem;
    margin: 0 0 1.9rem;
    align-items: flex-start;
    gap: 0.65rem;
    color: #8fa5b5;
    font-size: 0.95rem;
    line-height: 1.75;
}

.pump-hero__note::before {
    content: '';
    width: 18px;
    height: 2px;
    margin-top: 0.8em;
    flex: 0 0 auto;
    background: #ff7a21;
}

.pump-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 0.78rem 1.45rem;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.pump-button--primary {
    border-color: #ff7a21;
    background: #ff7a21;
    color: #08101a;
    box-shadow: 0 10px 28px rgba(255, 122, 33, 0.16);
}

.pump-button--secondary {
    border-color: rgba(74, 181, 218, 0.42);
    background: rgba(9, 21, 34, 0.72);
    color: #eaf7fc;
}

.pump-button:hover,
.pump-button:focus-visible {
    transform: translateY(-2px);
}

.pump-button--primary:hover,
.pump-button--primary:focus-visible {
    border-color: #ff9a55;
    background: #ff8a3b;
}

.pump-button--secondary:hover,
.pump-button--secondary:focus-visible {
    border-color: #52d4f1;
    background: rgba(15, 36, 55, 0.9);
}

.pump-button:focus-visible,
.pump-article-card:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 3px;
}

.pump-hero__visual {
    position: relative;
    aspect-ratio: 16 / 10;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(60, 200, 229, 0.44);
    border-radius: 8px;
    background: #07111b;
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.32);
}

.pump-hero__visual::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border: 1px solid rgba(255, 122, 33, 0.2);
    border-radius: inherit;
    box-shadow: inset 0 -80px 80px rgba(4, 10, 17, 0.18);
}

.pump-hero__visual img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 88%;
}

.pump-section {
    padding: clamp(4.5rem, 7vw, 6.5rem) 0;
}

.pump-section--band {
    border-block: 1px solid rgba(72, 139, 174, 0.14);
    background: #08111d;
}

.pump-section-heading {
    max-width: 48rem;
    margin: 0 auto clamp(2rem, 4vw, 3rem);
    text-align: center;
}

.pump-section-heading--left {
    margin: 0;
    text-align: left;
}

.pump-section-heading--wide {
    max-width: 58rem;
}

.pump-section-heading h2,
.pump-check-intro h2,
.pump-contact-panel h2 {
    margin: 0;
    color: #f5f8fb;
    font-size: clamp(2rem, 3.6vw, 3.15rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 0;
}

.pump-section-heading > p:last-child,
.pump-check-intro > p:last-of-type {
    margin: 1rem 0 0;
    color: #93a7b7;
    font-size: 1rem;
    line-height: 1.8;
}

.pump-symptom-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
}

.pump-symptom-card,
.pump-service-card,
.pump-article-card {
    border: 1px solid rgba(75, 151, 188, 0.25);
    border-radius: 8px;
    background: rgba(9, 21, 34, 0.78);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.pump-symptom-card {
    min-height: 118px;
    padding: 1.25rem;
}

.pump-symptom-card span {
    display: block;
    margin-bottom: 0.7rem;
    color: #ff8a3b;
    font-family: 'Poppins', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
}

.pump-symptom-card h3 {
    margin: 0;
    color: #edf5fa;
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.55;
}

.pump-notice {
    display: flex;
    margin-top: 1.4rem;
    padding: 1.15rem 1.3rem;
    align-items: flex-start;
    gap: 0.9rem;
    border: 1px solid rgba(66, 214, 242, 0.3);
    border-left: 3px solid #42d6f2;
    border-radius: 6px;
    background: rgba(7, 25, 38, 0.82);
}

.pump-notice__icon {
    display: inline-flex;
    width: 26px;
    height: 26px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border: 1px solid #42d6f2;
    border-radius: 50%;
    color: #42d6f2;
    font-weight: 800;
}

.pump-notice p {
    margin: 0;
    color: #c7d6df;
    line-height: 1.7;
}

.pump-service-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.pump-service-card {
    min-height: 250px;
    padding: 1.6rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.pump-service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(69, 210, 238, 0.5);
}

.pump-service-card__icon {
    display: inline-flex;
    width: 46px;
    height: 46px;
    margin-bottom: 1.35rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(66, 214, 242, 0.55);
    border-radius: 6px;
    background: rgba(32, 139, 174, 0.1);
    color: #50d9f4;
}

.pump-service-card__icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pump-service-card h3 {
    margin: 0 0 0.8rem;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 800;
}

.pump-service-card p {
    margin: 0;
    color: #99adbb;
    line-height: 1.75;
}

.pump-types-layout,
.pump-check-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: center;
    gap: clamp(2.5rem, 6vw, 6rem);
}

.pump-type-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pump-type-list li {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 0.7rem 1rem;
    border: 1px solid rgba(78, 157, 194, 0.3);
    border-radius: 6px;
    background: rgba(8, 19, 31, 0.78);
    color: #dce8ee;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.pump-scope-note {
    margin: 1.4rem 0 0;
    color: #8fa5b4;
    font-size: 0.92rem;
    line-height: 1.75;
}

.pump-check-intro {
    position: relative;
    min-height: 300px;
}

.pump-gauge {
    position: relative;
    width: 190px;
    height: 100px;
    margin-top: 2.2rem;
    overflow: hidden;
}

.pump-gauge__arc {
    position: absolute;
    inset: 0 0 auto;
    width: 190px;
    height: 190px;
    border: 14px solid rgba(64, 198, 227, 0.2);
    border-right-color: #ff7a21;
    border-bottom-color: #ff7a21;
    border-radius: 50%;
    transform: rotate(45deg);
}

.pump-gauge__needle {
    position: absolute;
    bottom: 3px;
    left: 92px;
    width: 3px;
    height: 76px;
    border-radius: 3px;
    background: #f5f8fb;
    transform: rotate(32deg);
    transform-origin: 50% 100%;
}

.pump-gauge__hub {
    position: absolute;
    bottom: 0;
    left: 86px;
    width: 16px;
    height: 16px;
    border: 4px solid #ff7a21;
    border-radius: 50%;
    background: #08111d;
}

.pump-check-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pump-check-list li {
    display: flex;
    min-height: 64px;
    padding: 1rem 1.1rem;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(78, 157, 194, 0.25);
    border-radius: 6px;
    background: rgba(9, 21, 34, 0.78);
    color: #dce8ee;
    font-weight: 700;
}

.pump-check-list span {
    display: inline-flex;
    width: 26px;
    height: 26px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(66, 214, 242, 0.7);
    border-radius: 50%;
    color: #42d6f2;
    font-size: 0.8rem;
}

.pump-article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.pump-article-card {
    position: relative;
    min-height: 190px;
    padding: 1.45rem;
    color: inherit;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.pump-article-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 122, 33, 0.52);
}

.pump-article-card > span {
    color: #49d7f2;
    font-size: 0.78rem;
    font-weight: 700;
}

.pump-article-card h3 {
    margin: 1rem 0 2.4rem;
    color: #f4f8fb;
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.55;
}

.pump-article-card small {
    position: absolute;
    right: 1.45rem;
    bottom: 1.35rem;
    color: #ff8a3b;
    font-size: 0.86rem;
    font-weight: 700;
}

.pump-knowledge-action {
    margin-top: 1.5rem;
    text-align: center;
}

.pump-contact-section {
    padding: clamp(3.5rem, 6vw, 5.5rem) 0;
    background: #030811;
}

.pump-contact-panel {
    display: flex;
    padding: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    border: 1px solid rgba(255, 122, 33, 0.35);
    border-radius: 8px;
    background: linear-gradient(110deg, rgba(19, 28, 41, 0.96), rgba(8, 19, 31, 0.96));
    box-shadow: 0 22px 58px rgba(0, 0, 0, 0.28);
}

.pump-contact-panel > div {
    max-width: 48rem;
}

.pump-contact-panel h2 {
    font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.pump-contact-panel p:last-child {
    margin: 1rem 0 0;
    color: #9eb0bd;
    line-height: 1.8;
}

@keyframes pump-enter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .pump-hero__layout,
    .pump-types-layout,
    .pump-check-layout {
        grid-template-columns: 1fr;
    }

    .pump-hero__content {
        max-width: 48rem;
    }

    .pump-hero__visual {
        max-width: 50rem;
    }

    .pump-symptom-grid,
    .pump-service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pump-section-heading--left {
        max-width: 44rem;
    }

    .pump-check-intro {
        min-height: auto;
    }

    .pump-gauge {
        margin-bottom: 1.2rem;
    }
}

@media (max-width: 760px) {
    .pump-article-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pump-contact-panel {
        align-items: stretch;
        flex-direction: column;
        gap: 1.75rem;
    }

    .pump-contact-panel .pump-button {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .pump-container {
        width: min(100% - 2rem, 1180px);
    }

    .vacuum-pump-page .site-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .vacuum-pump-page .site-nav img {
        width: 170px;
        max-width: 58vw;
    }

    .vacuum-pump-page .nav-links {
        width: 100%;
        justify-content: space-between;
        gap: 0.75rem;
        overflow-x: auto;
        padding-bottom: 0.2rem;
        font-size: 0.78rem;
    }

    .vacuum-pump-page .theme-toggle {
        position: absolute;
        top: 1rem;
        right: 1rem;
    }

    .pump-hero {
        padding: 4.75rem 0 4rem;
    }

    .pump-breadcrumb {
        margin-bottom: 2rem;
    }

    .pump-hero__layout {
        gap: 2.2rem;
    }

    .pump-hero__visual {
        aspect-ratio: 4 / 3;
    }

    .pump-button {
        width: 100%;
    }

    .pump-section {
        padding: 4rem 0;
    }

    .pump-service-grid,
    .pump-check-list,
    .pump-article-grid {
        grid-template-columns: 1fr;
    }

    .pump-service-card {
        min-height: auto;
    }

    .pump-type-list li {
        max-width: 100%;
    }

    .pump-knowledge-action .pump-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pump-symptom-grid {
        grid-template-columns: 1fr;
    }

    .pump-symptom-card {
        min-height: auto;
    }

    .pump-notice {
        padding: 1rem;
    }

    .pump-gauge {
        transform: scale(0.86);
        transform-origin: left center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pump-hero__content,
    .pump-hero__visual {
        animation: none;
    }

    .pump-button,
    .pump-service-card,
    .pump-article-card {
        transition: none;
    }
}