:root{--bg:#EEF4FB;--deep:#D6E4F4;--surface:#F7FAFD;--sub:#E4EEF8;--title:#141820;--text:#1E2834;--muted:#4A5A6E;--soft:#6A7A8E;--red:#C81E2E;--ice:#4A7AB8;--navy:#1A2A44;--frost:#F7FAFD;--border:rgba(20,24,32,.12);--focus:rgba(200,30,46,.45);--shadow:0 12px 28px rgba(26,42,68,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.top-strip{position:fixed;z-index:70;top:0;left:0;right:0;height:20px;background:var(--navy);color:var(--frost);font-size:12px}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:inherit;font:inherit;padding:0 4px;cursor:pointer}.brand-bar{position:fixed;z-index:69;top:20px;left:0;right:0;height:54px;background:var(--frost);border-bottom:1px solid rgba(200,30,46,.45)}.brand-row{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;color:var(--title)}.brand-logo,.menu-logo,.footer-logo{height:24px;width:auto;max-width:150px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;letter-spacing:.06em}.brand-actions{display:flex;align-items:center;gap:8px}.small-link,.menu-button,.primary-button,.secondary-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:8px;text-decoration:none;font-size:14px;white-space:nowrap;transition:.22s ease}.small-link{color:var(--red);border:1px solid rgba(200,30,46,.45);background:var(--frost)}.menu-button,.primary-button{border:0;color:var(--frost);background:linear-gradient(135deg,#1A2A44 0%,#C81E2E 100%);box-shadow:0 0 0 0 rgba(200,30,46,0);cursor:pointer}.secondary-button{color:var(--title);background:var(--frost);border:1px solid var(--red)}.menu-button:hover,.menu-button:focus-visible,.primary-button:hover,.primary-button:focus-visible{box-shadow:0 0 18px rgba(200,30,46,.50),0 0 4px rgba(74,122,184,.35)}.menu-button:active,.primary-button:active{box-shadow:0 0 26px rgba(200,30,46,.75)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--red);outline-offset:3px}.point-nav{position:fixed;z-index:68;top:74px;left:0;right:0;height:44px;background:var(--frost);border-bottom:1px solid var(--border)}.point-inner{height:44px;display:flex;align-items:center;gap:28px}.point-link{display:inline-flex;align-items:center;gap:8px;color:var(--muted);text-decoration:none;font-size:13px;min-height:44px}.dot{width:10px;height:10px;border:1px solid var(--ice);border-radius:50%;background:transparent;transition:.22s ease}.point-link.is-current .dot{background:var(--red);border-color:var(--red);box-shadow:0 0 18px rgba(200,30,46,.50),0 0 4px rgba(74,122,184,.35)}.site-main{padding:150px 0 48px}.article-shell{display:block}h1,h2,h3{color:var(--title);margin:0 0 12px}h1{font-size:24px;line-height:1.3}h2{font-size:20px;margin-top:0}h3{font-size:16px}p{margin:0 0 14px}.eyebrow{font-size:13px;color:var(--red);font-weight:700;letter-spacing:.08em}.lead{font-size:16px;color:var(--muted);max-width:760px}.hero-simple{padding:28px 0 32px;border-bottom:1px solid var(--border)}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.index-dots{display:flex;gap:18px;margin-bottom:18px}.index-dots a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--muted)}.section-block{padding:32px 0;border-bottom:1px solid var(--border)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}.section-head p{color:var(--soft);margin:0}.media-slot{background:var(--frost);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-wide{width:100%;height:168px}.media-ice{width:280px;max-width:100%;height:176px;border-radius:48% 52% 46% 54%/58% 44% 56% 42%}.media-short{width:100%;height:160px}.media-app{width:240px;height:320px}.media-banner{width:100%;height:200px}.two-cold{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cold-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px;box-shadow:var(--shadow)}.cold-card p:last-child{margin-bottom:0}.door-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.door-card{background:var(--deep);border-radius:8px;padding:20px;border-left:4px solid var(--red)}.rack-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rack-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period{padding:16px;background:var(--sub);border-radius:8px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.status-badge{font-size:13px;font-weight:700;color:var(--red)}.wrap-door{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:start}.wrap-door .media-app{justify-self:end}.method-list,.memo-list,.terms-list,.topic-list{display:grid;gap:12px}.method-item,.memo-item,.term-item,.topic-item{padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.topic-item{border-left:4px solid var(--ice)}.center-card{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:24px;box-shadow:var(--shadow)}.read-more{padding-top:28px}.read-more h2{font-size:18px}.read-more-links{display:flex;gap:10px;flex-wrap:wrap}.read-more-links a{display:inline-flex;min-height:44px;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:8px;background:var(--frost);color:var(--navy);text-decoration:none}.faq-list{display:grid;gap:14px}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px}.faq-item h2{font-size:17px}.site-footer{background:var(--navy);color:var(--frost);border-top:1px solid var(--red);padding:32px 0 82px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(4,1fr);gap:20px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-grid nav{display:flex;flex-direction:column;gap:6px}.footer-grid h2{font-size:13px;color:var(--deep);margin:0 0 4px}.footer-grid a{color:var(--frost);text-decoration:none}.footer-note{border-top:1px solid rgba(247,250,253,.14);margin-top:24px;padding-top:18px;color:#EEF4FB}.overlay{position:fixed;z-index:80;inset:0;background:rgba(20,24,32,.45);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.side-menu{position:fixed;z-index:90;top:86px;left:16px;width:300px;max-height:70vh;overflow:auto;background:var(--frost);border-radius:8px;box-shadow:var(--shadow);padding:16px;transform:translateX(calc(-100% - 30px));visibility:hidden;pointer-events:none;transition:.22s ease}.side-menu.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.menu-brand{display:flex;align-items:center;gap:10px}.close-button{width:44px;height:44px;border:0;border-radius:8px;background:var(--sub);color:var(--title);font-size:24px;cursor:pointer}.menu-group{padding-top:14px}.menu-group h2{font-size:14px;color:var(--red);margin-bottom:6px}.menu-group a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:8px 0;text-decoration:none;color:var(--title);border-bottom:1px solid var(--border)}.menu-group span{color:var(--soft);font-size:12px}.search-panel{position:fixed;z-index:91;top:82px;left:50%;width:min(640px,calc(100% - 32px));transform:translate(-50%,-18px);background:var(--frost);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.search-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-panel label{display:block;color:var(--muted);margin:12px 0 8px}.search-panel input{width:100%;height:44px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:white;color:var(--title);font:inherit}.search-presets,.search-results{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a,.search-results a{display:inline-flex;min-height:44px;align-items:center;padding:0 12px;border-radius:8px;background:var(--sub);color:var(--navy);text-decoration:none}.mobile-bottom{display:none}.lock-scroll{overflow:hidden}.ice-cut{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:center}.single-note{max-width:720px}.single-note section{margin-bottom:24px}.banner-head{margin-bottom:22px}.legal-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.legal-columns .term-item:nth-child(3n){grid-column:1/-1}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:var(--surface);border:1px solid var(--border);padding:18px;border-radius:8px}.contact-card strong{color:var(--red)}
@media(max-width:760px){.point-nav{display:none}.site-main{padding-top:104px;padding-bottom:72px}.shell{width:calc(100% - 32px)}.two-cold,.door-grid,.rack-grid,.period-grid,.wrap-door,.ice-cut,.legal-columns,.contact-grid{grid-template-columns:1fr}.wrap-door .media-app{justify-self:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.side-menu{top:82px;left:16px;width:86%;max-height:70vh}.search-panel{top:74px;left:0;right:0;bottom:0;width:100%;transform:translateY(-10px);border-radius:0;background:var(--navy);color:var(--frost);padding:22px 16px}.search-panel.is-open{transform:translateY(0)}.search-panel strong,.search-panel label{color:var(--frost)}.search-panel input{background:var(--frost)}.search-presets a,.search-results a{background:var(--frost);color:var(--navy)}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--frost);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--navy);text-decoration:none;font-size:13px}.mobile-bottom a.is-current{background:var(--red);color:var(--frost)}.status-row{grid-template-columns:90px 1fr}.status-badge{grid-column:2}.media-app{width:240px;max-width:100%}.site-footer{padding-bottom:88px}}@media(max-width:440px){.small-link,.menu-button{padding:0 11px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.index-dots{flex-direction:column;gap:6px}.status-row{grid-template-columns:1fr}.status-badge{grid-column:auto}}