.wx-kb-home {
    --wx-green: #059669;
    --wx-green-dark: #047857;
    --wx-green-soft: #ecfdf5;
    --wx-border: #e5e7eb;
    --wx-text: #111827;
    --wx-muted: #667085;
    color: var(--wx-text);
}

.wx-kb-inner {
    padding-block: clamp(5rem, 7vw, 9rem);
}

.wx-kb-section + .wx-kb-section {
    margin-top: clamp(7rem, 9vw, 12rem);
}

.wx-kb-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(28rem, 46rem);
    gap: 3rem;
    align-items: end;
    margin-bottom: 3.2rem;
}

.wx-kb-eyebrow {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--wx-green-dark);
    font-size: 1.3rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.wx-kb-section-head h2 {
    margin: 0;
    font-size: clamp(3rem, 4vw, 4.8rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.wx-kb-section-head > p {
    margin: 0;
    color: var(--wx-muted);
    font-size: 1.65rem;
    line-height: 1.65;
}

.wx-kb-start-card {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    overflow: hidden;
    border: 1px solid rgba(5, 150, 105, 0.25);
    border-radius: 2.4rem;
    background: #fff;
    box-shadow: 0 2.4rem 6rem rgba(15, 23, 42, 0.08);
}

.wx-kb-start-image,
.wx-kb-latest-image {
    display: block;
    overflow: hidden;
    background: #eef2f5;
}

.wx-kb-start-image { min-height: 38rem; }

.wx-kb-start-image img,
.wx-kb-latest-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 240ms ease;
}

.wx-kb-start-image:hover img,
.wx-kb-latest-image:hover img { transform: scale(1.02); }

.wx-kb-start-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(3.2rem, 5vw, 6.4rem);
}

.wx-kb-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--wx-muted);
    font-size: 1.3rem;
    font-weight: 650;
}

.wx-kb-meta span:first-child {
    padding: 0.55rem 1rem;
    border-radius: 999px;
    color: var(--wx-green-dark);
    background: var(--wx-green-soft);
}

.wx-kb-start-content h3,
.wx-kb-latest-content h3 { margin: 0; }

.wx-kb-start-content h3 {
    font-size: clamp(2.7rem, 3.2vw, 4.2rem);
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.wx-kb-start-content h3 a,
.wx-kb-latest-content h3 a {
    color: inherit;
    text-decoration: none;
}

.wx-kb-start-content h3 a:hover,
.wx-kb-latest-content h3 a:hover { color: var(--wx-green-dark); }

.wx-kb-start-content > p,
.wx-kb-latest-content > p {
    color: var(--wx-muted);
    line-height: 1.65;
}

.wx-kb-start-content > p {
    margin: 1.7rem 0 0;
    font-size: 1.7rem;
}

.wx-kb-button {
    align-self: flex-start;
    margin-top: 2.6rem;
    padding: 1.15rem 1.65rem;
    border-radius: 999px;
    color: #fff;
    background: var(--wx-green-dark);
    font-size: 1.45rem;
    font-weight: 720;
    text-decoration: none;
}

.wx-kb-button:hover { color: #fff; background: #065f46; }

.wx-kb-topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 32rem), 1fr));
    gap: 1.8rem;
}

.wx-kb-topic-card {
    display: flex;
    min-height: 19rem;
    flex-direction: column;
    padding: 2.6rem;
    border: 1px solid var(--wx-border);
    border-radius: 1.8rem;
    color: inherit;
    background: #fff;
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.wx-kb-topic-card:hover {
    color: inherit;
    border-color: rgba(5, 150, 105, 0.45);
    box-shadow: 0 1.4rem 3.4rem rgba(15, 23, 42, 0.07);
    transform: translateY(-2px);
}

.wx-kb-topic-name {
    font-size: 2.1rem;
    font-weight: 750;
    line-height: 1.25;
}

.wx-kb-topic-description {
    margin-top: 1rem;
    color: var(--wx-muted);
    font-size: 1.5rem;
    line-height: 1.55;
}

.wx-kb-topic-footer {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 2.2rem;
    color: var(--wx-green-dark);
    font-size: 1.35rem;
    font-weight: 700;
}

.wx-kb-latest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 32rem), 1fr));
    gap: 2rem;
}

.wx-kb-latest-card {
    overflow: hidden;
    border: 1px solid var(--wx-border);
    border-radius: 1.8rem;
    background: #fff;
}

.wx-kb-latest-image { aspect-ratio: 16 / 9; }

.wx-kb-latest-content { padding: 2.4rem; }

.wx-kb-latest-content h3 {
    font-size: 2.1rem;
    line-height: 1.28;
    letter-spacing: -0.02em;
}

.wx-kb-latest-content > p {
    display: -webkit-box;
    overflow: hidden;
    margin: 1.2rem 0 0;
    font-size: 1.48rem;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.wx-kb-text-link {
    display: inline-block;
    margin-top: 2rem;
    color: var(--wx-green-dark);
    font-size: 1.4rem;
    font-weight: 720;
    text-decoration: none;
}

.wx-kb-button:focus-visible,
.wx-kb-topic-card:focus-visible,
.wx-kb-start-content a:focus-visible,
.wx-kb-latest-content a:focus-visible,
.wx-kb-start-image:focus-visible,
.wx-kb-latest-image:focus-visible {
    outline: 3px solid rgba(5, 150, 105, 0.42);
    outline-offset: 4px;
}

@media (max-width: 900px) {
    .wx-kb-section-head { grid-template-columns: 1fr; gap: 1.2rem; }
    .wx-kb-start-card { grid-template-columns: 1fr; }
    .wx-kb-start-image { min-height: 0; aspect-ratio: 16 / 9; }
    .wx-kb-topic-grid,
    .wx-kb-latest-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .wx-kb-inner { padding-block: 4.5rem 7rem; }
    .wx-kb-section + .wx-kb-section { margin-top: 7rem; }
    .wx-kb-section-head { margin-bottom: 2.4rem; }
    .wx-kb-start-card { border-radius: 1.7rem; }
    .wx-kb-start-content { padding: 2.6rem 2.2rem; }
    .wx-kb-topic-grid,
    .wx-kb-latest-grid { grid-template-columns: 1fr; }
    .wx-kb-topic-card { min-height: 16rem; padding: 2.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .wx-kb-start-image img,
    .wx-kb-latest-image img,
    .wx-kb-topic-card { transition: none; }
}