        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            color: #111;
            background: #fff;
        }

        /* ===== Navigation ===== */

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: rgba(255, 255, 255, 0.96);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 7%;
            z-index: 1000;
            border-bottom: 1px solid #eee;
        }

        .logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 3px;
        }

        .logo span {
            font-weight: 300;
        }

        nav {
            display: flex;
            gap: 35px;
        }

        nav a {
            text-decoration: none;
            color: #111;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            transition: 0.3s;
        }
/* =========================
   PRODUCTS DROPDOWN
   ========================= */

.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 230px;
    padding: 12px 0;
    background: #111;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 0.25s ease;
}

.dropdown-menu a {
    display: block;
    padding: 12px 22px;
    color: #fff;
    font-size: 11px;
    letter-spacing: 1.5px;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: #222;
    color: #fff;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
        nav a:hover {
            color: #777;
        }

        /* ===== Hero ===== */

.hero {
    min-height: 100vh;
    padding: 160px 7% 80px;
    display: flex;
    align-items: center;

    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.65) 0%,
            rgba(0, 0, 0, 0.25) 50%,
            rgba(0, 0, 0, 0.05) 100%
        ),
        url("../images/hero.jpg");

    background-size: 105% auto;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero-content {
    max-width: 750px;
}

.hero-small {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 5px;
    margin-bottom: 28px;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.hero h1 {
    font-size: clamp(32px, 4.5vw, 62px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 35px;
    color: #ffffff;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.75);
}

.hero p {
    max-width: 600px;
    color: #ffffff;
    font-size: 19px;
    line-height: 1.7;
    margin-bottom: 40px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.button {
    display: inline-block;
    padding: 15px 32px;
    background: #ffffff;
    color: #111111;
    border: 1px solid #ffffff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
}

.button:hover {
    background: #e5a72f;
    border-color: #e5a72f;
    color: #ffffff;
    transform: translateY(-2px);
}

        /* ===== Common Section ===== */

        section {
            padding: 120px 7%;
        }

        .section-title {
            font-size: 13px;
            letter-spacing: 4px;
            color: #777;
            margin-bottom: 20px;
        }

        .section-heading {
            font-size: clamp(40px, 5vw, 70px);
            line-height: 1;
            margin-bottom: 30px;
        }

        /* ===== About ===== */
/* =====================================================
   HOME ABOUT SECTION
   ===================================================== */

/* ===== Home About Section ===== */

.about-section {
    width: 100%;
    margin: 50px 0;
    padding: 0;
    color: #fff;
}

.about-background {
    width: 100%;
    min-height: 1000px;
    margin: 0;
    padding: 0;

    background-image:
        linear-gradient(
            rgba(0, 0, 0, 0.62),
            rgba(0, 0, 0, 0.68)
        ),
        url("../images/about-background.png");

    background-size: cover;
    background-position: center center;
    background-attachment: fixed;

    background-repeat: no-repeat;
}

.about-overlay {
    min-height: 1000px;

    padding: 120px 8% 100px;

    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-main {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    text-align: center;
}

.about-main .section-title {
    margin-bottom: 25px;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 5px;

    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.about-main h2 {
    margin: 0;

    font-size: 60px;
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -0.8px;

    color: #fff;
}

.about-description {
    max-width: 1300px;

    margin: 30px auto 0;

    font-size: 20px;
    line-height: 1.8;

    color: rgba(255, 255, 255, 0.68);

    text-align: center;
}

.about-capabilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;

    margin-top: 100px;
}

.about-card {
    padding-right: 40px;

    border-right: 1px solid rgba(255, 255, 255, 0.25);
}

.about-card:last-child {
    border-right: none;
}

.about-card h3 {
    margin: 0 0 20px;

    font-size: 20px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: 1px;

    color: #fff;
}

.about-card p {
    margin: 0;

    font-size: 14px;
    line-height: 1.8;

    color: rgba(255, 255, 255, 0.65);
}


/* ===== About Responsive ===== */

@media (max-width: 900px) {

    .about-background {
        min-height: auto;
        background-attachment: scroll;
    }

    .about-overlay {
        min-height: auto;
        padding: 90px 7%;
    }

    .about-main h2 {
        font-size: 34px;
    }

    .about-capabilities {
        grid-template-columns: 1fr;
        gap: 35px;
        margin-top: 70px;
    }

    .about-card {
        padding-right: 0;
        padding-bottom: 30px;

        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    }

    .about-card:last-child {
        border-bottom: none;
    }
}

        /* ===== Products ===== */

        .products-section {
            background: #f5f5f5;
        }

       .products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-top: 60px;
    background: #111;
}

.products .product-card {
    position: relative;
    background: #f5f5f5;
    padding: 55px 45px;
    min-height: 360px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    transition: 0.4s ease;
}

.products .product-card:hover {
    background: #111;
    color: #fff;
}

.products .product-card:hover::after {
    color: #222;
}

.products .product-number {
    margin-bottom: 0;
    color: #888;
    font-size: 12px;
    letter-spacing: 3px;
}

.products .product-card h3 {
    position: relative;
    z-index: 2;
    font-size: 32px;
    letter-spacing: -1px;
}

.products .product-card h3 a {
    color: inherit;
    text-decoration: none;
}

.products .product-card p {
    position: relative;
    z-index: 2;
    max-width: 430px;
    color: #666;
    line-height: 1.7;
}

.products .product-card:hover p {
    color: #aaa;
}

.products .product-card:hover .product-number {
    color: #777;
}

        .product-card {
            background: white;
            padding: 45px 35px;
            min-height: 300px;
            transition: 0.3s;
        }

        .product-card:hover {
            transform: translateY(-8px);
        }

        .product-number {
            font-size: 13px;
            color: #999;
            letter-spacing: 2px;
            margin-bottom: 60px;
        }

        .product-card h3 {
            font-size: 28px;
            margin-bottom: 18px;
        }

        .product-card p {
            color: #666;
            line-height: 1.7;
        }

        /* ===== Technology ===== */

        .technology {
            background: #111;
            color: white;
        }

        .technology .section-title {
            color: #999;
        }

        .technology p {
            max-width: 750px;
            color: #aaa;
            line-height: 1.9;
            font-size: 18px;
        }


/* ===== Contact ===== */

.contact {
    width: 100%;
    padding: 100px 8% 120px;
    background: #111;
    color: #fff;
    box-sizing: border-box;
}

.contact-inner {
    max-width: 1400px;
    margin: 0 auto;
}


/* Contact title */

.contact-title {
    margin-bottom: 70px;
}

.contact-title .section-title {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #888;
}


/* Main information */

.contact-details {
    border-top: 1px solid #333;
    padding-top: 50px;
}


/* WhatsApp / Email */

.contact-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.contact-item {
    display: flex;
    flex-direction: column;
}

.contact-item span {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #777;
    margin-bottom: 14px;
}

.contact-item a {
    color: #fff;
    text-decoration: none;
    font-size: 24px;
    line-height: 1.4;
}

.contact-item a:hover {
    opacity: 0.6;
}


/* Office addresses */

.contact-offices {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;

    padding-top: 45px;
    border-top: 1px solid #333;
}

.contact-office h3 {
    margin: 0 0 20px;

    font-size: 15px;
    font-weight: 700;
    letter-spacing: 2px;

    color: #fff;
}

.contact-office p {
    margin: 0;

    max-width: 520px;

    font-size: 16px;
    line-height: 1.9;

    color: #aaa;
}


/* Mobile */

@media (max-width: 800px) {

    .contact {
        padding: 80px 7% 90px;
    }

    .contact-main {
        grid-template-columns: 1fr;
        gap: 45px;
        margin-bottom: 60px;
    }

    .contact-offices {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-item a {
        font-size: 21px;
    }

}

        /* ===== Footer ===== */

        footer {
            background: #111;
            color: #888;
            padding: 30px 7%;
            display: flex;
            justify-content: space-between;
            font-size: 12px;
        }

        /* ===== Mobile ===== */

        @media (max-width: 768px) {

            header {
                padding: 0 5%;
            }

            nav {
                gap: 12px;
            }

            nav a {
                font-size: 10px;
            }

            .hero {
                padding-left: 5%;
                padding-right: 5%;
            }

            section {
                padding: 80px 5%;
            }

            .about {
                grid-template-columns: 1fr;
            }

            .products {
                grid-template-columns: 1fr;
            }

            .about-box {
                height: 280px;
            }

            footer {
                flex-direction: column;
                gap: 10px;
            }
        }
        /* =========================
   ABOUT PAGE
   ========================= */

.page-hero {
    min-height: 55vh;
    display: flex;
    align-items: flex-end;
    padding: 120px 8% 80px;
    background: #111;
    color: #fff;
}

.page-hero p {
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.page-hero h1 {
    font-size: clamp(42px, 7vw, 90px);
    line-height: 0.95;
    font-weight: 700;
    letter-spacing: -3px;
}

.about-content {
    width: 100%;
    padding: 120px 8%;
    background: #f5f5f2;
    box-sizing: border-box;
}

.about-text {
    width: 100%;
    max-width: none;
}

.about-text h2 {
    max-width: 1000px;
    font-size: clamp(40px, 5vw, 68px);
    line-height: 1;
    margin-bottom: 45px;
}

.about-text > p:not(.section-label) {
    max-width: 1000px;
    font-size: 19px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.about-stats {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 80px;
    border-top: 1px solid #999;
}

.stat {
    border-top: none;
    border-right: 1px solid #999;
    padding: 35px 40px 35px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat:not(:first-child) {
    padding-left: 40px;
}

.stat:last-child {
    border-right: none;
}

.stat strong {
    font-size: 48px;
}

.stat span {
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.section-label {
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 25px;
}

.about-text h2 {
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1;
    margin-bottom: 40px;
}

.about-text > p:not(.section-label) {
    max-width: 850px;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat {
    border-top: 1px solid #999;
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat strong {
    font-size: 42px;
}

.stat span {
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.about-values {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
    padding: 120px 8%;
    background: #fff;
}

.about-values h2 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.95;
}

.value-list {
    display: flex;
    flex-direction: column;
}

.value-item {
    border-top: 1px solid #ccc;
    padding: 35px 0;
}

.value-item h3 {
    font-size: 25px;
    margin-bottom: 15px;
}

.value-item p {
    max-width: 600px;
    line-height: 1.7;
    color: #555;
}


/* Mobile */

@media (max-width: 768px) {

    .page-hero {
        min-height: 50vh;
        padding: 100px 6% 60px;
    }

    .about-content,
    .about-values {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: 80px 6%;
    }

    .about-text h2 {
        font-size: 42px;
    }

    .about-text > p:not(.section-label) {
        font-size: 16px;
    }

    .about-values h2 {
        font-size: 48px;
    }

}
/* =========================
   PRODUCTS PAGE
   ========================= */

.products-hero {
    background: #171717;
}

.products-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    padding: 120px 8%;
    background: #f5f5f2;
    align-items: end;
}

.products-intro h2 {
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1;
}

.products-intro > p {
    max-width: 600px;
    font-size: 18px;
    line-height: 1.8;
    color: #555;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #111;
}

.product-card {
    min-height: 480px;
    padding: 50px;
    color: #fff;
    border-right: 1px solid #444;
    border-bottom: 1px solid #444;

    display: flex;
    flex-direction: column;
    justify-content: space-between;

    transition: background 0.3s ease;
}

.product-card:hover {
    background: #222;
}

.product-number {
    font-size: 14px;
    letter-spacing: 2px;
    opacity: 0.5;
}

.product-type {
    font-size: 12px;
    letter-spacing: 3px;
    opacity: 0.6;
    margin-bottom: 15px;
}

.product-card h2 {
    font-size: clamp(35px, 4vw, 55px);
    line-height: 1;
    margin-bottom: 25px;
}

.product-card div:nth-child(2) p:last-child {
    max-width: 500px;
    font-size: 16px;
    line-height: 1.7;
    color: #bbb;
}

.product-card a {
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 2px;
    margin-top: 40px;
}

.product-card a:hover {
    text-decoration: underline;
}


/* Products mobile */

@media (max-width: 768px) {

    .products-intro {
        grid-template-columns: 1fr;
        gap: 50px;
        padding: 80px 6%;
    }

    .products-intro h2 {
        font-size: 42px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-card {
        min-height: 420px;
        padding: 35px;
    }

}/* =========================
   ENGINE OIL PRODUCT PAGE
   ========================= */

.product-detail-hero {
    background: #0d0d0d;
}

.product-detail-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    padding: 120px 8%;
    background: #f5f5f2;
}

.product-detail-intro h2 {
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1;
    max-width: 650px;
}

.product-detail-intro > div:last-child {
    max-width: 600px;
}

.product-detail-intro > div:last-child p {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
}


/* Product Series */

.oil-series {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
    padding: 120px 8%;
    background: #fff;
}

.series-title h2 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.95;
}

.series-list {
    display: flex;
    flex-direction: column;
}

.oil-item {
    display: grid;
    grid-template-columns: 50px 1fr 100px;
    gap: 30px;
    align-items: start;

    padding: 35px 0;
    border-top: 1px solid #ccc;
}

.oil-item > span {
    font-size: 14px;
    opacity: 0.5;
}

.oil-item .product-type {
    margin-bottom: 12px;
}

.oil-item h3 {
    font-size: 30px;
    margin-bottom: 15px;
}

.oil-item p:last-child {
    max-width: 500px;
    color: #666;
    line-height: 1.7;
}

.oil-item > strong {
    font-size: 18px;
    text-align: right;
}


/* Technical Information */

.product-specs {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
    padding: 120px 8%;
    background: #111;
    color: #fff;
}

.product-specs h2 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.95;
}

.spec-table {
    display: flex;
    flex-direction: column;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;

    padding: 25px 0;
    border-top: 1px solid #444;
}

.spec-row span {
    color: #888;
}

.spec-row strong {
    text-align: right;
}

/* =========================
   TECHNOLOGY - NEW DESIGN
   ========================= */

.technology {
    padding: 140px 8%;
    background: #111;
    color: #fff;
}

.technology-header {
    display: grid;
    grid-template-columns: 0.35fr 1fr;
    gap: 80px;
    align-items: start;
    padding-bottom: 100px;
}

.technology .section-title {
    color: #888;
}

.technology-main-title {
    font-size: clamp(55px, 9vw, 120px);
    line-height: 0.88;
    letter-spacing: -5px;
    font-weight: 700;
}

.technology-main-title span {
    color: #777;
}

.technology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-top: 1px solid #444;
}

.technology-intro,
.technology-item {
    padding: 35px 30px 35px 0;
}

.technology-intro {
    padding-right: 60px;
}

.technology-intro p {
    color: #aaa;
    font-size: 17px;
    line-height: 1.7;
}

.technology-item {
    border-left: 1px solid #444;
    padding-left: 30px;
}

.technology-number {
    display: block;
    font-size: 13px;
    color: #777;
    letter-spacing: 2px;
    margin-bottom: 45px;
}

.technology-item h3 {
    font-size: 18px;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.technology-item p {
    color: #999;
    line-height: 1.7;
    font-size: 14px;
    max-width: 300px;
}

/* Technology Mobile */

@media (max-width: 768px) {

    .technology {
        padding: 90px 6%;
    }

    .technology-header {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-bottom: 70px;
    }

    .technology-main-title {
        font-size: 58px;
        letter-spacing: -3px;
    }

    .technology-grid {
        grid-template-columns: 1fr;
    }

    .technology-intro,
    .technology-item {
        padding: 30px 0;
        border-left: none;
    }

    .technology-item {
        border-top: 1px solid #444;
    }

    .technology-number {
        margin-bottom: 25px;
    }
}
/* =========================
   PRODUCT MODEL PAGE
   ========================= */

.product-models {
    padding: 80px 8% 120px;
    background: #f5f5f5;
}

.model-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 50px;
    padding: 70px 0;
    border-top: 1px solid #ccc;
}

.model-card:last-child {
    border-bottom: 1px solid #ccc;
}

.model-number {
    font-size: 14px;
    letter-spacing: 2px;
    color: #888;
}

.model-type {
    font-size: 12px;
    letter-spacing: 3px;
    color: #888;
    margin-bottom: 20px;
}

.model-content h2 {

    font-size: 48px;

    line-height: 0.95;

    letter-spacing: -2px;

    margin-bottom: 15px;

}

.model-description {
    max-width: 700px;
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 60px;
}

.model-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    border-top: 1px solid #ccc;
    padding-top: 30px;
}

.model-info h3 {
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.model-info p {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
    max-width: 280px;
}


/* MOBILE */

@media (max-width: 768px) {

    .product-models {
        padding: 60px 6% 80px;
    }

    .model-card {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 25px 0;
    }

    .model-content h2 {
        font-size: 65px;
    }

    .model-description {
        margin-bottom: 40px;
    }

    .model-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }

}/* =========================
   HERO BACKGROUND IMAGE
   ========================= */

.product-image {
    display: block;
    width: 100%;
    height: 260px;
    overflow: hidden;
    background: #111;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.product-category-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 22px;
    color: #111111;
}
/* =========================
   RENO PRODUCT IMAGE GRID
   ========================= */

.products-section .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.products-section .product-card {
    position: relative;
    overflow: hidden;
    background: transparent;
    padding: 0;
    margin: 0;
}

.products-section .product-image {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    overflow: hidden;
}
.products-section .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.5);
    transition: filter 0.4s ease, transform 0.4s ease;
}

.products-section .product-card:hover .product-image img {
    filter: brightness(1);
    transform: scale(1.03);
}

/* 只保留产品名称 */
.products-section .product-info {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 35px 28px 25px;
    text-align: center;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.75),
        rgba(0, 0, 0, 0)
    );
}

.products-section .product-number,
.products-section .product-info p,
.products-section .product-link {
    display: none;
}

.products-section .product-info h3 {
    margin: 0;
    text-align: center;
    font-family: "Arial Rounded MT Bold", "Trebuchet MS", Arial, sans-serif;
    font-size: 60px !important;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
}

.products-section .product-info h3 a {
    color: #ffffff;
    text-decoration: none;
}

.products-section .product-info h3 a:hover {
    color: #ffffff;
}
.products-section .product-card .product-info h3 a {
    display: block;
    font-size: 37px !important;
    font-weight: 700 !important;
    line-height: 1.05;
    text-align: center;
    text-transform: none !important;
    color: #ffffff !important;
    font-family: "Arial Rounded MT Bold", "Trebuchet MS", Arial, sans-serif;
    letter-spacing: -0.3px;
    text-decoration: none;
}
.products-section .product-card {
    position: relative;
    width: 100%;
    height: auto !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden;
    background: transparent;
}

.products-section .product-image {
    display: block;
    width: 100%;
    height: auto !important;
    aspect-ratio: 1 / 1;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden;
    background: transparent;
}

.products-section .product-image img {
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    object-fit: cover;
    filter: brightness(0.5);
    transition: filter 0.4s ease, transform 0.4s ease;
}

.products-section .product-card:hover .product-image img {
    filter: brightness(1);
    transform: scale(1.03);
}
.product-models .model-number {
    display: none;
}
/* =========================
   PASSENGER CAR MODEL LIST
   ========================= */

.product-models {
    padding: 40px 15% 50px !important;
}

.product-models .model-card {
    display: block !important;
    padding: 25px 0 !important;
    margin: 0 !important;
    border: none !important;
}

.product-models .model-number {
    display: none !important;
}

.product-models .model-content {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

.product-models .model-type {
    margin: 0 0 8px !important;
}

.product-models .model-content h2 {
    font-size: 48px !important;
    line-height: 1 !important;
    letter-spacing: -2px !important;
    margin: 0 0 8px !important;
}

.product-models .model-capacity {
    margin: 0 0 12px !important;
}

.product-models .model-description {
    margin: 0 !important;
    max-width: 1100px;
}
/* Passenger Car Oil - Full Width Hero */

body:has(.passenger-car-hero) {
    margin: 0 !important;
    padding: 0 !important;
}

.passenger-car-hero {
    position: relative !important;
    width: 100vw !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    overflow: hidden !important;
}

.passenger-car-hero > img {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}
.passenger-car-hero::before,
.passenger-car-hero::after {
    display: none !important;
}

.passenger-car-hero {
    background: #ffffff !important;
}

.passenger-car-hero > div {
    display: none !important;
}
/* =========================
   MOTORCYCLE OIL HERO
   ========================= */

.motorcycle-oil-hero {
    position: relative !important;
    width: 100vw !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    overflow: hidden !important;
}

.motorcycle-oil-hero > img {
    position: relative !important;
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
/* =========================
   DIESEL OIL HERO
   ========================= */

.diesel-oil-hero {
    position: relative !important;
    width: 100vw !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    overflow: hidden !important;
}

.diesel-oil-hero > img {
    position: relative !important;
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
/* =========================
   TRANSMISSION OIL HERO
   ========================= */

.transmission-oil-hero {
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.transmission-oil-hero img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
/* =========================
   BRAKE OIL HERO
   ========================= */

.brake-oil-hero {
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.brake-oil-hero img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
/* =========================
   COOLANT OIL HERO
   ========================= */

.coolant-oil-hero {
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.coolant-oil-hero img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
/* =========================
   RENO ABOUT PAGE - NEW DESIGN
   ========================= */

.about-content {
    display: grid !important;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
    align-items: start;

    width: 100%;
    padding: 130px 8%;
    background: #f5f5f2;
    box-sizing: border-box;
}

/* LEFT SIDE */

.about-text {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

.about-text .section-label {
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 35px;
    color: #111;
}

.about-text h2 {
    max-width: 700px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 0.95;
    letter-spacing: -3px;
    margin: 0;
}

.about-text > p:not(.section-label) {
    display: none;
}


/* RIGHT SIDE */

.about-introduction {
    max-width: 700px;
    padding-top: 55px;
}

.about-introduction p {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}


/* =========================
   CORE STRENGTHS
   ========================= */

.about-strengths {
    padding: 130px 8%;
    background: #fff;
}

.strengths-header {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;
    margin-bottom: 80px;
}

.strengths-header .section-label {
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 700;
    color: #777;
}

.strengths-header h2 {
    font-size: clamp(42px, 5vw, 72px);
    line-height: 0.95;
    letter-spacing: -3px;
    margin: 0;
}


/* CARDS */

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid #ccc;
}

.strength-card {
    padding: 40px 35px 45px 0;
    border-right: 1px solid #ccc;
}

.strength-card:not(:first-child) {
    padding-left: 35px;
}

.strength-card:last-child {
    border-right: none;
}

.strength-number {
    font-size: 13px;
    letter-spacing: 2px;
    color: #888;
    margin-bottom: 55px;
}

.strength-card h3 {
    font-size: 24px;
    line-height: 1.2;
    margin-bottom: 25px;
    max-width: 320px;
}

.strength-card p {
    max-width: 360px;
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}


/* =========================
   OUR APPROACH
   ========================= */

.about-values {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 100px;

    padding: 130px 8%;
    background: #f5f5f2;
}

.approach-title .section-label {
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 30px;
}

.about-values h2 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.95;
    letter-spacing: -3px;
}

.value-list {
    display: flex;
    flex-direction: column;
}

.value-item {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 25px;

    border-top: 1px solid #ccc;
    padding: 35px 0;
}

.value-item span {
    font-size: 13px;
    color: #888;
    letter-spacing: 2px;
}

.value-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.value-item p {
    max-width: 600px;
    line-height: 1.7;
    color: #555;
}


/* =========================
   ABOUT MOBILE
   ========================= */

@media (max-width: 768px) {

    .about-content {
        grid-template-columns: 1fr !important;
        gap: 40px;
        padding: 90px 6% !important;
    }

    .about-text h2 {
        font-size: 46px;
    }

    .about-introduction {
        padding-top: 0;
    }

    .about-introduction p {
        font-size: 16px;
    }

    .about-strengths {
        padding: 90px 6%;
    }

    .strengths-header {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 60px;
    }

    .strengths-header h2 {
        font-size: 48px;
    }

    .strengths-grid {
        grid-template-columns: 1fr;
    }

    .strength-card,
    .strength-card:not(:first-child) {
        padding: 35px 0;
        border-right: none;
        border-bottom: 1px solid #ccc;
    }

    .strength-card:last-child {
        border-bottom: none;
    }

    .strength-number {
        margin-bottom: 30px;
    }

    .about-values {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: 90px 6%;
    }

    .about-values h2 {
        font-size: 48px;
    }
}
/* ===== Certification ===== */

.certification-section {
    width: 100%;
    background: #fff;
    color: #111;

    /* 减少顶部空白 */
    padding-top: 40px;

    /* 供应商区域与下面 Certification 拉开距离 */
    padding-bottom: 120px;

    box-sizing: border-box;
}


/* ===== Global Suppliers ===== */

.supplier-section {
    padding: 30px 6% 110px;
    overflow: hidden;
}

.supplier-header {
    max-width: 1500px;
    margin: 0 auto 70px;
    text-align: center;
}

.supplier-header .section-title {
    margin-bottom: 20px;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 5px;

    color: #888;
}

.supplier-header h2 {
    margin: 0;

    font-size: 52px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1px;
}

.supplier-header p {
    max-width: 1050px;

    margin: 30px auto 0;

    font-size: 17px;
    line-height: 1.8;

    color: #666;
}


/* ===== Supplier Slider ===== */

.supplier-slider {
    width: 100%;
    overflow: hidden;

    margin-top: 45px;

    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;

    padding: 20px 0;
}

.supplier-track {
    display: flex;
    align-items: center;

    width: max-content;

    animation: supplierScroll 35s linear infinite;
}

.supplier-logo {
    width: 220px;
    height: 80px;

    margin-right: 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    flex-shrink: 0;
}

.supplier-logo img {
    max-width: 100%;
    max-height: 70px;

    object-fit: contain;
}


/* Second slider */

.supplier-slider-second {
    margin-top: 18px;
}

.supplier-track-reverse {
    animation: supplierScrollReverse 40s linear infinite;
}


@keyframes supplierScroll {

    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }

}


@keyframes supplierScrollReverse {

    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(0);
    }

}


/* ===== Certification Gallery ===== */

.certification-gallery {
    padding: 120px 6% 140px;

    background: #f5f5f5;
}

.certification-header {
    text-align: center;

    margin-bottom: 70px;
}

.certification-header .section-title {
    margin-bottom: 20px;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 5px;

    color: #888;
}

.certification-header h2 {
    margin: 0;

    font-size: 52px;
    line-height: 1.15;
    font-weight: 800;
}


/* ===== Certificate Grid ===== */

.certification-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.certificate-card {
    background: #fff;

    padding: 15px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);

    transition: transform 0.3s ease;
}

.certificate-card:hover {
    transform: translateY(-6px);
}

.certificate-card img {
    display: block;

    width: 100%;
    height: auto;

    object-fit: contain;
}


/* ===== Certification Responsive ===== */

@media (max-width: 1200px) {

    .certification-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .supplier-header h2,
    .certification-header h2 {
        font-size: 42px;
    }

}


@media (max-width: 800px) {

    .supplier-section,
    .certification-gallery {
        padding: 80px 6%;
    }

    .supplier-header h2,
    .certification-header h2 {
        font-size: 32px;
    }

    .supplier-header p {
        font-size: 15px;
    }

    .certification-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

}


@media (max-width: 500px) {

    .certification-grid {
        grid-template-columns: 1fr;
    }

}
/* ===== Global Supplier Logo Banner ===== */

.supplier-logo-banner {
    width: 100%;
    margin: 50px auto 0;
    overflow: hidden;
}

.supplier-logo-banner img {
    display: block;

    width: 100%;
    height: auto;

    object-fit: contain;
}
/* ===== Center Products Title ===== */

.products-section > .section-title,
.products-section > .section-heading {
    text-align: center;
}

.products-section > .section-title {
    margin-left: auto;
    margin-right: auto;
}

.products-section > .section-heading {
    margin-left: auto;
    margin-right: auto;
}
.supplier-logo-banner {
    margin-bottom: 100px;
}
/* ===== WhatsApp Floating Button ===== */

a.whatsapp-float {
    position: fixed !important;
    right: 25px !important;
    bottom: 25px !important;

    width: 60px !important;
    height: 60px !important;

    background: #25D366 !important;

    border-radius: 50% !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;

    padding: 0 !important;
    margin: 0 !important;

    color: white !important;
    text-decoration: none !important;

    z-index: 99999 !important;

    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.25);

    box-sizing: border-box !important;
}

a.whatsapp-float svg {
    display: block !important;

    width: 32px !important;
    height: 32px !important;

    max-width: 32px !important;
    max-height: 32px !important;

    fill: white !important;

    margin: 0 !important;
    padding: 0 !important;
}

a.whatsapp-float:hover {
    transform: scale(1.08);
}


/* Mobile */

@media (max-width: 600px) {

    a.whatsapp-float {
        width: 55px !important;
        height: 55px !important;

        right: 18px !important;
        bottom: 18px !important;
    }

    a.whatsapp-float svg {
        width: 29px !important;
        height: 29px !important;
    }

}