:root {
    --wanxi-red: #a70e1b;
    --wanxi-red-dark: #6f0711;
    --wanxi-wine: #2a1116;
    --wanxi-cream: #fbf7f6;
    --wanxi-line: #eadedf;
    --wanxi-muted: #6f6264;
    --wanxi-ink: #1d1517;
}

body {
    color: var(--wanxi-ink);
    background: #fff;
}

.wanxi-header {
    border-bottom-color: rgba(167, 14, 27, 0.14);
}

.wanxi-header__inner {
    min-height: 82px;
}

.wanxi-brand {
    min-width: 258px;
    max-width: 360px;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.header-cta__link {
    min-height: 38px;
    padding: 0 10px;
    border: 0;
    color: var(--wanxi-red-dark);
    background: transparent;
    font: inherit;
    font-size: 14px;
    font-weight: 760;
    text-decoration: none;
    cursor: pointer;
}

.header-cta__button {
    min-height: 40px;
    padding-inline: 15px;
}

.b2b-hero {
    min-height: 650px;
    display: grid;
    align-items: center;
    color: #fff;
    background:
        linear-gradient(90deg, rgba(33, 12, 17, 0.92), rgba(33, 12, 17, 0.72) 42%, rgba(33, 12, 17, 0.22)),
        url("../images/factory-line.jpg");
    background-position: center;
    background-size: cover;
}

.b2b-hero__inner {
    padding-block: 92px;
}

.b2b-hero h1 {
    max-width: 820px;
    font-size: 64px;
}

.b2b-hero__lead {
    max-width: 780px;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 20px;
}

.b2b-hero__actions,
.b2b-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.b2b-tags {
    gap: 10px;
    margin-top: 22px;
}

.b2b-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.08);
    font-size: 14px;
    font-weight: 700;
}

.button--primary {
    background: var(--wanxi-red);
}

.button--primary:hover {
    background: var(--wanxi-red-dark);
}

.button--outline {
    color: var(--wanxi-red-dark);
    border-color: rgba(167, 14, 27, 0.38);
    background: #fff;
}

.button--outline:hover {
    color: #fff;
    background: var(--wanxi-red);
}

.button--ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.62);
    background: rgba(255, 255, 255, 0.08);
}

.trust-strip {
    border-bottom: 1px solid var(--wanxi-line);
    background: #fff;
}

.trust-strip__grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
}

.trust-strip__item {
    min-height: 86px;
    display: flex;
    align-items: center;
    padding: 18px 16px;
    border-left: 1px solid var(--wanxi-line);
    color: var(--wanxi-wine);
    font-size: 14px;
    font-weight: 760;
}

.trust-strip__item:last-child {
    border-right: 1px solid var(--wanxi-line);
}

.b2b-section h2 {
    max-width: 900px;
}

.b2b-section--soft {
    background: var(--wanxi-cream);
}

.scenario-grid,
.service-grid,
.mini-card-grid,
.knowledge-grid,
.case-grid--b2b {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
}

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

.mini-card-grid,
.knowledge-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.case-grid--b2b {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scenario-card,
.service-card,
.mini-card,
.case-card,
.post-card,
.contact-panel,
.inquiry-card {
    border: 1px solid var(--wanxi-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 14px 32px rgba(93, 18, 28, 0.06);
}

.scenario-card,
.service-card,
.mini-card,
.case-card,
.post-card {
    padding: 24px;
}

.scenario-card h3,
.service-card h3,
.mini-card h3,
.case-card h3,
.post-card h3 {
    color: var(--wanxi-wine);
    font-size: 21px;
}

.scenario-card p,
.service-card p,
.mini-card p,
.case-card p,
.post-card p {
    color: var(--wanxi-muted);
    font-size: 15px;
}

.service-card {
    min-height: 294px;
    display: flex;
    flex-direction: column;
}

.service-card .button {
    margin-top: auto;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 0;
    margin-top: 32px;
    border: 1px solid var(--wanxi-line);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.timeline__item {
    min-height: 150px;
    padding: 20px 16px;
    border-right: 1px solid var(--wanxi-line);
}

.timeline__item:last-child {
    border-right: 0;
}

.timeline__item span {
    color: var(--wanxi-red);
    font-size: 14px;
    font-weight: 820;
}

.timeline__item p {
    margin: 12px 0 0;
    color: var(--wanxi-wine);
    font-weight: 760;
}

.capability-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
    gap: 42px;
    align-items: center;
}

.capability-list {
    display: grid;
    gap: 14px;
    margin-top: 26px;
}

.capability-list article {
    padding: 18px 0;
    border-bottom: 1px solid var(--wanxi-line);
}

.capability-list h3 {
    margin-bottom: 6px;
}

.capability-list p {
    margin: 0;
    color: var(--wanxi-muted);
}

.factory-photo {
    margin: 0;
}

.factory-photo img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 46px rgba(33, 12, 17, 0.12);
}

.cross-border-section {
    color: #fff;
    background: var(--wanxi-wine);
}

.cross-border-section .eyebrow,
.cross-border-section .rich-text p {
    color: rgba(255, 255, 255, 0.78);
}

.cross-border-section .mini-card {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.06);
}

.cross-border-section .mini-card h3 {
    color: #fff;
}

.cross-border-section .mini-card p {
    color: rgba(255, 255, 255, 0.76);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
    gap: 34px;
    align-items: start;
}

.contact-section {
    background: #fff;
}

.inquiry-card,
.contact-panel {
    padding: 26px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.inquiry-form label {
    display: grid;
    gap: 7px;
    margin-bottom: 14px;
    color: var(--wanxi-wine);
    font-size: 14px;
    font-weight: 760;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--wanxi-line);
    border-radius: 6px;
    color: var(--wanxi-ink);
    background: #fff;
    font: inherit;
    font-size: 15px;
}

.inquiry-form textarea {
    resize: vertical;
}

.hp-field {
    position: absolute;
    left: -9999px;
}

.form-message {
    padding: 12px 14px;
    border-radius: 6px;
    font-weight: 760;
}

.form-message--success {
    color: #165c35;
    background: #eaf6ef;
}

.form-message--error {
    color: var(--wanxi-red-dark);
    background: #fff0f1;
}

.map-placeholder {
    min-height: 160px;
    display: grid;
    place-items: center;
    margin-top: 18px;
    border: 1px dashed rgba(167, 14, 27, 0.32);
    border-radius: 8px;
    color: var(--wanxi-muted);
    background: var(--wanxi-cream);
    text-align: center;
}

.page-hero--b2b {
    background:
        linear-gradient(120deg, rgba(251, 247, 246, 1), rgba(255, 240, 241, 0.78));
}

.page-hero--b2b p {
    max-width: 760px;
    color: var(--wanxi-muted);
}

.faq-category-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
}

.faq-category-nav {
    position: sticky;
    top: 104px;
    display: grid;
    gap: 8px;
    align-self: start;
}

.faq-category-nav a {
    padding: 10px 12px;
    border: 1px solid var(--wanxi-line);
    border-radius: 6px;
    color: var(--wanxi-red-dark);
    background: #fff;
    text-decoration: none;
    font-weight: 760;
}

.mobile-cta-bar {
    display: none;
}

.wechat-modal {
    position: fixed;
    z-index: 80;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(33, 12, 17, 0.56);
}

.wechat-modal[hidden] {
    display: none;
}

.wechat-modal__panel {
    position: relative;
    width: min(420px, 100%);
    padding: 28px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 24px 70px rgba(33, 12, 17, 0.2);
}

.wechat-modal__close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 34px;
    height: 34px;
    border: 0;
    color: var(--wanxi-wine);
    background: transparent;
    font-size: 28px;
    cursor: pointer;
}

.has-modal {
    overflow: hidden;
}

@media (max-width: 1160px) {
    .header-cta {
        display: none;
    }

    .trust-strip__grid,
    .service-grid,
    .mini-card-grid,
    .knowledge-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .timeline {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .timeline__item:nth-child(4n) {
        border-right: 0;
    }
}

@media (max-width: 900px) {
    .wanxi-brand {
        max-width: calc(100% - 62px);
    }

    .b2b-hero h1 {
        font-size: 48px;
    }

    .trust-strip__grid,
    .scenario-grid,
    .service-grid,
    .mini-card-grid,
    .knowledge-grid,
    .case-grid--b2b,
    .capability-layout,
    .contact-layout,
    .faq-category-layout {
        grid-template-columns: 1fr;
    }

    .trust-strip__item,
    .trust-strip__item:last-child {
        min-height: 58px;
        border-right: 1px solid var(--wanxi-line);
        border-bottom: 1px solid var(--wanxi-line);
    }

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

    .timeline__item,
    .timeline__item:nth-child(4n) {
        min-height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--wanxi-line);
    }

    .faq-category-nav {
        position: static;
    }
}

@media (max-width: 640px) {
    body {
        padding-bottom: 58px;
    }

    .site-header__inner {
        min-height: 68px;
    }

    .site-brand__name {
        font-size: 16px;
    }

    .site-brand__tagline {
        display: block;
        font-size: 12px;
    }

    .b2b-hero {
        min-height: 560px;
        background-position: 56% center;
    }

    .b2b-hero__inner {
        padding-block: 58px;
    }

    .b2b-hero h1 {
        font-size: 36px;
    }

    .b2b-hero__lead {
        font-size: 17px;
    }

    .b2b-hero__actions .button {
        width: 100%;
    }

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

    .mobile-cta-bar {
        position: fixed;
        z-index: 60;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: 1fr 1fr 1.25fr;
        min-height: 56px;
        border-top: 1px solid var(--wanxi-line);
        background: #fff;
        box-shadow: 0 -12px 28px rgba(33, 12, 17, 0.1);
    }

    .mobile-cta-bar a,
    .mobile-cta-bar button {
        display: grid;
        place-items: center;
        border: 0;
        color: var(--wanxi-wine);
        background: #fff;
        font: inherit;
        font-weight: 820;
        text-decoration: none;
    }

    .mobile-cta-bar__primary {
        color: #fff !important;
        background: var(--wanxi-red) !important;
    }
}