.sf-content-category {
    --content-ink: #173f4f;
    --content-muted: #657e8d;
    --content-line: #dceaf1;
    padding: 32px 0 64px;
    background: #f3f8fa;
    color: var(--content-ink);
}
.sf-content-category * { box-sizing: border-box; }
.sf-content-category > .container { max-width: 1320px; }
.sf-content-category .sf-content-heading { margin: 0 auto 34px; max-width: 1100px; text-align: center; }
.sf-content-category .sf-content-heading h1 { margin: 0 0 12px; color: var(--content-ink); font-size: clamp(29px, 3vw, 44px); font-weight: 800; line-height: 1.18; letter-spacing: -.025em; }
.sf-content-category .sf-content-heading p { max-width: 830px; margin: 0 auto; font-size: 18px; line-height: 1.6; color: var(--content-muted); }
.sf-content-category .sf-content-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: stretch; }
.sf-content-category .sf-content-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--content-line); border-radius: 23px; overflow: hidden; background: #fff; }
.sf-content-category .sf-content-card-image { display: flex; align-items: center; justify-content: center; height: 260px; flex: 0 0 260px; background: #ecf3f6; border-bottom: 1px solid var(--content-line); }
.sf-content-category .sf-content-card-image img { display: block; width: 100%; height: 100%; object-fit: contain; }
.sf-content-category .sf-content-card-body { display: flex; flex-direction: column; flex: 1; padding: 26px 28px 28px; }
.sf-content-category .sf-content-card h2 { margin: 0 0 15px; font-size: clamp(25px, 2.3vw, 32px); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; overflow-wrap: anywhere; }
.sf-content-category .sf-content-card h2 a { color: var(--content-ink); text-decoration: none; }
.sf-content-category .sf-content-card h2 a:hover { color: #007fa9; }
.sf-content-category .sf-content-card-description { margin: 0 0 14px; color: var(--content-muted); font-size: 17px; line-height: 1.6; }
.sf-content-category .sf-content-card-detail { margin: 0 0 25px; color: #3f6578; font-size: 16px; line-height: 1.55; }
.sf-content-category .sf-content-card-action { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.sf-content-category .sf-content-price { margin: 0; white-space: nowrap; color: var(--content-ink); line-height: 1.2; }
.sf-content-category .sf-content-price span { font-size: 17px; color: var(--content-muted); margin-right: 5px; }
.sf-content-category .sf-content-price strong { font-size: 34px; font-weight: 800; }
.sf-content-category .sf-content-button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 50px; padding: 12px 18px; border: 1px solid #c6e7f4; border-radius: 12px; background: #eaf7fd; color: #007fa9; font-size: 17px; font-weight: 700; line-height: 1.35; text-decoration: none; }
.sf-content-category .sf-content-button span { font-size: 24px; line-height: 1; }
.sf-content-category .sf-content-button:hover { background: #daf0fa; border-color: #83c9e5; color: #006b8f; }
.sf-content-category a:focus-visible { outline: 3px solid #0798ce; outline-offset: 4px; }
.sf-content-category .sf-content-price-note { margin: 15px 0 0; text-align: center; color: var(--content-muted); font-size: 14px; line-height: 1.5; }
.sf-content-category .sf-content-how { margin-top: 48px; }
.sf-content-category .sf-content-how > h2 { margin: 0 0 24px; color: var(--content-ink); font-size: 29px; font-weight: 800; line-height: 1.25; }
.sf-content-category .sf-content-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; list-style: none; padding: 0; margin: 0; }
.sf-content-category .sf-content-steps li { display: flex; gap: 13px; align-items: flex-start; min-width: 0; }
.sf-content-category .sf-content-step-number { display: grid; place-items: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px; background: #def2fa; color: #0087b5; font-size: 18px; font-weight: 800; }
.sf-content-category .sf-content-steps h3 { margin: 4px 0 8px; font-size: 20px; font-weight: 700; line-height: 1.3; color: var(--content-ink); }
.sf-content-category .sf-content-steps p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--content-muted); }
.sf-content-category .sf-content-delivery-note { margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--content-line); color: var(--content-muted); font-size: 14px; line-height: 1.65; }
.sf-content-category .sf-content-testnotice { margin: 0 0 24px; padding: 10px 16px; background: #fff5da; color: #665021; border-radius: 10px; font-size: 15px; }
@media (max-width: 767px) {
    .sf-content-category { padding: 25px 0 42px; }
    .sf-content-category .sf-content-heading { margin-bottom: 25px; text-align: left; }
    .sf-content-category .sf-content-heading p { font-size: 16px; }
    .sf-content-category .sf-content-products { grid-template-columns: minmax(0, 1fr); gap: 22px; }
    .sf-content-category .sf-content-card-body { padding: 22px; }
    .sf-content-category .sf-content-card-description { font-size: 16px; }
    .sf-content-category .sf-content-card-detail { margin-bottom: 22px; font-size: 15px; }
    .sf-content-category .sf-content-how { margin-top: 34px; }
    .sf-content-category .sf-content-how > h2 { font-size: 26px; }
    .sf-content-category .sf-content-steps { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 380px) {
    .sf-content-category .sf-content-card-body { padding: 20px 18px; }
    .sf-content-category .sf-content-card-action { align-items: flex-start; flex-direction: column; gap: 14px; }
    .sf-content-category .sf-content-button { width: 100%; }
}