.sf-page{max-width:900px;padding-top:18px}.sf-breadcrumb{display:flex;align-items:center;gap:8px;margin:0 0 14px;color:#9a8b7c;font-size:13px}.sf-breadcrumb a{color:#a56d45;text-decoration:none}.sf-breadcrumb a:hover{color:var(--brand,#f75141);text-decoration:underline}.sf-hero{position:relative;overflow:hidden;padding:clamp(28px,5vw,44px) clamp(20px,6vw,52px) 30px;border:1px solid #efdfcf;border-radius:18px;background:radial-gradient(circle at 14% 20%,rgba(247,81,65,.1),transparent 44%),radial-gradient(circle at 90% 80%,rgba(204,146,77,.14),transparent 48%),#fffdf9;box-shadow:0 8px 28px rgba(149,95,45,.1);text-align:center}.sf-eyebrow{margin:0 0 8px;color:#b47742;font-size:12px;letter-spacing:.14em}.sf-hero h1{margin:0;color:#35251d;font-family:STKaiti,KaiTi,FZKai-Z03,serif;font-size:clamp(28px, 5.6vw, 40px);font-weight:700;letter-spacing:.04em}.sf-lead{margin:12px 0 0;color:#806f62;font-size:14px;line-height:1.7}.sf-meta{margin:12px 0 0;color:#a56d45;font-size:13px;line-height:1.6}.sf-status{max-width:36em;margin:18px auto 0;padding:12px 16px;border:1px solid #f0dfc5;border-radius:12px;background:#fff8ed;color:#6b5344;font-size:14px;line-height:1.6}.sf-status--hot{border-color:#f5c4bc;background:#fff1ee;color:#b53a2e}.sf-section-heading{margin:28px 0 14px}.sf-section-heading h2{margin:0;color:#35251d;font-size:22px;font-family:STKaiti,KaiTi,FZKai-Z03,serif}.sf-period-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none}.sf-period-card{padding:18px 16px;border:1px solid #efdfcf;border-radius:14px;background:#fffdf9}.sf-period-card h3{margin:0;color:#f75141;font-size:18px;font-family:STKaiti,KaiTi,serif}.sf-period-dates{margin:10px 0 0;color:#35251d;font-size:14px;line-height:1.55}.sf-period-dates a{color:#a56d45;text-decoration:none}.sf-period-dates a:hover{color:var(--brand,#f75141);text-decoration:underline}.sf-period-meta{margin:8px 0 0;color:#917b6b;font-size:12px}.sf-year-nav{display:flex;flex-wrap:wrap;gap:10px}.sf-year-link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 14px;border:1px solid #efdfcf;border-radius:999px;background:#fffdf9;color:#6b5344;font-size:14px;text-decoration:none}.sf-year-link:hover{border-color:#f5c4bc;color:var(--brand,#f75141)}.sf-year-link.is-active{border-color:#f75141;background:#fff1ee;color:#b53a2e;font-weight:600}.sf-formula{margin-top:8px;padding:18px 18px 4px;border:1px solid #efdfcf;border-radius:14px;background:#fffdf9}.sf-formula p{margin:0 0 14px;color:#6b5344;font-size:14px;line-height:1.75}.sf-formula a{color:#a56d45}.sf-faq{margin-top:28px}.sf-faq h2{margin:0 0 12px;color:#35251d;font-size:22px;font-family:STKaiti,KaiTi,serif}.sf-faq details{margin:0 0 10px;padding:12px 14px;border:1px solid #efdfcf;border-radius:12px;background:#fffdf9}.sf-faq summary{cursor:pointer;color:#35251d;font-weight:600}.sf-faq details p{margin:10px 0 0;color:#6b5344;font-size:14px;line-height:1.7}.sf-seo-text{margin:24px 0 8px;color:#9a8b7c;font-size:12px;line-height:1.7}@media (max-width:720px){.sf-period-list{grid-template-columns:1fr}}