:root{--bg:#FFF4F2;--deep:#F3D8D4;--card:#FFF8F6;--soft:#FBE6E2;--ink:#1A1012;--text:#2A1A1C;--muted:#6A3A42;--muted2:#8A5A62;--red:#C41E3A;--rose:#E85A72;--apricot:#F4C4B8;--border:rgba(26,16,18,.12);--focus:rgba(196,30,58,.45);--shadow:0 12px 28px rgba(26,16,18,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,a{ -webkit-tap-highlight-color:transparent}img{display:block;max-width:100%;object-fit:contain;object-position:center}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.top-strip{position:fixed;top:0;left:0;right:0;z-index:80;height:20px;background:var(--ink);color:var(--apricot);font-size:12px}.top-strip .shell{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button,.menu-button,.search-close,.menu-head button{border:0;background:transparent;color:inherit;font:inherit;cursor:pointer;min-height:44px}.brand-bar{position:fixed;top:20px;left:0;right:0;z-index:79;height:54px;background:var(--card);border-bottom:1px solid rgba(196,30,58,.35)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link{display:inline-flex;align-items:center;min-height:44px;font-size:16px}.brand-link img{height:24px;width:auto}.brand-actions{display:flex;align-items:center;gap:8px}.plain-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border-radius:12px}.menu-button{border:1px solid rgba(196,30,58,.45);box-shadow:0 0 0 0 rgba(196,30,58,0);transition:.22s ease}.menu-button:hover,.menu-button:focus-visible{box-shadow:0 0 18px rgba(196,30,58,.50),0 0 4px rgba(232,90,114,.35);outline:none}.menu-button:active{box-shadow:0 0 26px rgba(196,30,58,.75)}.core-nav{position:fixed;top:74px;left:0;right:0;z-index:78;height:44px;background:var(--card);border-bottom:1px solid var(--border)}.core-inner{height:44px;display:flex;align-items:center;gap:18px;font-size:13px}.core-heart{width:16px;height:14px;display:inline-block;position:relative;transform:rotate(-45deg);border:1px solid var(--rose);border-radius:3px 0 3px 0}.core-heart:before,.core-heart:after{content:"";position:absolute;width:10px;height:10px;border:1px solid var(--rose);border-radius:50%;background:var(--card)}.core-heart:before{top:-6px;left:-1px}.core-heart:after{top:1px;left:6px}.core-heart.active,.core-nav a.is-current~*{}.core-nav a{min-height:44px;display:inline-flex;align-items:center}.core-nav a.is-current{color:var(--red);font-weight:700;text-shadow:0 0 12px rgba(196,30,58,.28)}main{padding-top:142px;padding-bottom:28px}.page-article{display:block}.page-article>section{margin:0 0 24px}.warm-block,.single-warm,.prose-block,.brand-story,.faq-mini,.center-card,.center-sections,.app-features,.terms,.help-grid article,.contact-types article,.method-cards article,.topic-list article,.stack-notes article,.cut-steps article,.checklist,.status-list article{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.hero-index{padding:28px}.micro-index{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.micro-index .active{background:var(--red);box-shadow:0 0 16px rgba(196,30,58,.32)}h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.35;margin-bottom:10px}h3{font-size:16px;margin-bottom:6px}.lead{font-size:18px;color:var(--red);font-weight:700}.eyebrow{display:inline-block;margin-bottom:8px;color:var(--red);font-size:12px;font-weight:700;letter-spacing:.08em}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:12px;font-size:14px;margin-top:8px;white-space:nowrap;transition:.22s ease}.btn.primary{background:linear-gradient(135deg,#1A1012 0%,#C41E3A 100%);color:#FFF8F6;box-shadow:0 0 0 0 rgba(196,30,58,0)}.btn.secondary{background:var(--card);border:1px solid var(--red);color:var(--ink)}.btn:hover,.btn:focus-visible{box-shadow:0 0 18px rgba(196,30,58,.50),0 0 4px rgba(232,90,114,.35);outline:none}.btn:active{box-shadow:0 0 26px rgba(196,30,58,.75)}.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--red);font-weight:700}.media-slot,.banner-slot,.app-slot,.heart-media,.icon-slot{background:var(--card);border:1px solid var(--border);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot{width:100%;height:168px;margin:12px 0 16px}.media-slot img{width:100%;height:168px}.heart-cut{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center;background:var(--soft);padding:24px;border-radius:20px}.heart-media{width:200px;height:176px;border-radius:46% 46% 44% 44% / 52% 52% 36% 36%;justify-self:end}.heart-media img{width:200px;height:176px}.single-warm{padding:24px}.page-pair,.cards-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.page-pair article,.cards-two article{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}.period-block,.status-home,.wrap-heart{background:var(--deep);padding:24px;border-radius:18px}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.periods>div,.periods article{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}.status-row{display:flex;flex-wrap:wrap;gap:10px}.status-row span,.status{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;background:var(--card);border:1px solid var(--focus);color:var(--red);font-weight:700}.wrap-heart{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:center}.app-visual{position:relative;width:260px;min-height:330px}.app-slot{width:240px;height:320px}.app-slot img{width:240px;height:320px}.icon-slot{position:absolute;width:58px;height:58px;right:0;bottom:8px;border-radius:16px;box-shadow:var(--shadow)}.icon-slot img{width:48px;height:48px}.prose-block,.brand-story,.faq-mini,.center-card,.center-sections,.terms,.checklist{padding:24px}.faq-mini details,.faq-full details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:0 16px;margin:10px 0}.faq-mini summary,.faq-full summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font-weight:700;color:var(--ink)}.page-head{padding:6px 0 10px}.first-pair{align-items:stretch}.cut-steps,.stack-notes,.topic-list,.contact-types,.method-cards,.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.cut-steps article,.stack-notes article,.topic-list article,.contact-types article,.method-cards article,.help-grid article{padding:18px}.periods.large{grid-template-columns:1fr}.status-list{display:grid;gap:12px}.status-list article{padding:18px}.checklist ul{margin-top:0}.center-card{text-align:center}.center-card .media-slot{max-width:720px;margin:18px auto}.center-sections{text-align:left}.banner-slot{height:200px;width:100%}.banner-slot img{width:100%;height:200px}.related{padding-top:8px}.related-links{display:flex;gap:10px;flex-wrap:wrap}.related-links a{display:inline-flex;min-height:44px;align-items:center;padding:0 14px;border:1px solid var(--focus);border-radius:12px;background:var(--card)}.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--apricot);padding:28px 0 84px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:22px}.site-footer h2{font-size:14px;color:var(--apricot);margin-bottom:8px}.site-footer a{display:block;min-height:30px;color:var(--bg)}.footer-brand{display:flex;flex-direction:column;gap:8px;color:var(--apricot)}.footer-brand img{height:24px;width:auto;align-self:flex-start}.footer-note{margin-top:20px;padding-top:16px;border-top:1px solid rgba(244,196,184,.25);color:var(--bg)}.overlay{position:fixed;inset:0;background:rgba(26,16,18,.48);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.menu-sheet{position:fixed;right:18px;bottom:18px;z-index:100;width:260px;max-height:380px;overflow:auto;background:var(--card);border:1px solid var(--focus);border-radius:20px;box-shadow:0 22px 60px rgba(26,16,18,.28);transform:translateY(24px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.menu-sheet.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.menu-head{position:sticky;top:0;background:var(--card);display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border);z-index:2}.mini-brand{display:flex;gap:8px;align-items:center}.mini-brand img{height:24px;width:auto}.menu-groups{padding:8px 12px 14px}.menu-groups section{margin-bottom:10px}.menu-groups h2{font-size:13px;color:var(--red);margin:8px 0}.menu-groups a{display:grid;grid-template-columns:82px 1fr;gap:8px;min-height:44px;align-items:center;border-bottom:1px solid var(--border)}.menu-groups a span{color:var(--muted2);font-size:12px}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:95;visibility:hidden;opacity:0;pointer-events:none;transition:.22s ease}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(600px,calc(100% - 32px));margin:10px auto;background:var(--card);border:1px solid var(--focus);border-radius:16px;padding:20px;box-shadow:var(--shadow);position:relative}.search-close{position:absolute;right:10px;top:4px;color:var(--red)}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--focus);border-radius:12px}.mobile-nav{display:none}.faq-full{margin-bottom:24px}.about-sections{background:var(--card);padding:24px;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
@media(max-width:720px){.core-nav{display:none}main{padding-top:98px;padding-bottom:72px}.shell{width:calc(100% - 32px)}.brand-actions{gap:2px}.plain-link,.menu-button{padding:0 9px}.heart-cut,.wrap-heart,.page-pair,.cards-two,.cut-steps,.stack-notes,.topic-list,.contact-types,.method-cards,.help-grid{grid-template-columns:1fr}.heart-media{justify-self:center}.periods{grid-template-columns:1fr}.app-visual{margin:0 auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-nav{position:fixed;z-index:85;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-nav a.is-current{background:var(--red);color:var(--card)}.menu-sheet{width:88%;right:6%;bottom:64px;max-height:380px}.search-panel{top:0;bottom:0;background:var(--ink);color:var(--apricot);display:flex;align-items:flex-start;padding-top:76px}.search-card{background:var(--ink);border-color:rgba(244,196,184,.35);box-shadow:none}.search-card h2,.search-card p,.search-links a,.search-close{color:var(--apricot)}.search-links a{border-color:rgba(244,196,184,.45)}.brand-link strong{font-size:15px}.hero-index{padding:22px}.period-block,.status-home,.wrap-heart{padding:20px}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.menu-groups a{grid-template-columns:76px 1fr}.brand-actions .plain-link{font-size:13px}.brand-inner{gap:6px}}
