:root{
  --bg:#EEF4FB;--deep:#D6E4F4;--surface:#F7FAFD;--soft:#E4EEF8;--text:#1E2834;--title:#141820;
  --muted:#4A5A6E;--faint:#6A7A8E;--red:#C81E2E;--blue:#4A7AB8;--navy:#1A2A44;--white:#F7FAFD;
  --border:rgba(20,24,32,.12);--red-border:rgba(200,30,46,.45);--shadow:0 12px 28px rgba(26,42,68,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.site-header{position:fixed;inset:0 0 auto 0;z-index:60;box-shadow:0 6px 24px rgba(26,42,68,.05)}
.top-strip{height:20px;background:var(--navy);color:var(--white);font-size:12px}
.top-strip__inner,.brand-bar__inner,.point-nav__inner,.footer-inner,.site-main{width:min(960px,calc(100% - 32px));margin:0 auto}
.top-strip__inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.text-button{border:0;background:transparent;color:var(--white);height:20px;padding:0 2px;cursor:pointer;font-size:12px}
.brand-bar{height:54px;background:var(--white);border-bottom:1px solid var(--red-border)}
.brand-bar__inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-link{display:inline-flex;min-height:44px;align-items:center;font-weight:800;color:var(--title)}
.brand-link img{height:24px;width:auto;max-width:120px}
.brand-word{font-size:16px;letter-spacing:.12em}
.brand-actions{display:flex;gap:8px;align-items:center}
.app-link,.menu-button,.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:8px;font-size:14px;font-weight:700;transition:.22s ease;white-space:nowrap}
.app-link{color:var(--red);border:1px solid var(--red-border);background:var(--white)}
.menu-button{border:1px solid transparent;color:var(--white);background:linear-gradient(135deg,#1A2A44 0%,#C81E2E 100%);cursor:pointer;box-shadow:0 0 0 0 rgba(200,30,46,0)}
.app-link:hover,.app-link:focus-visible,.btn.secondary:hover,.btn.secondary:focus-visible{box-shadow:0 0 18px rgba(200,30,46,.5),0 0 4px rgba(74,122,184,.35)}
.menu-button:hover,.menu-button:focus-visible,.btn.primary:hover,.btn.primary:focus-visible,.point-link.is-current:hover,.point-link.is-current:focus-visible{box-shadow:0 0 18px rgba(200,30,46,.5),0 0 4px rgba(74,122,184,.35)}
.menu-button:active,.btn.primary:active,.point-link.is-current:active{box-shadow:0 0 26px rgba(200,30,46,.75)}
.point-nav{height:44px;background:var(--white);border-bottom:1px solid var(--border)}
.point-nav__inner{height:44px;display:flex;align-items:center;gap:26px}
.point-link{min-height:44px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:0 6px;border-radius:8px;transition:.22s ease}
.dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--blue);background:transparent;flex:0 0 auto}
.point-link.is-current{color:var(--title);font-weight:700}
.point-link.is-current .dot{background:var(--red);border-color:var(--red);box-shadow:0 0 14px rgba(200,30,46,.52)}
.site-main{padding-top:146px;padding-bottom:56px;min-height:70vh}
article{display:block}
.page-hero{padding:18px 0 28px;border-bottom:1px solid var(--border)}
.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--red);font-weight:800;text-transform:uppercase}
h1,h2,h3{color:var(--title);margin:0 0 12px;line-height:1.3}
h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
p{margin:0 0 14px}.lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:760px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn.primary{background:linear-gradient(135deg,#1A2A44 0%,#C81E2E 100%);color:var(--white);box-shadow:0 0 0 0 rgba(200,30,46,0)}.btn.secondary{background:var(--white);border:1px solid var(--red-border);color:var(--title)}
.section{padding:30px 0;border-bottom:1px solid var(--border)}
.section:last-child{border-bottom:0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-kicker{font-size:12px;color:var(--red);font-weight:800;letter-spacing:.14em}.section-note{color:var(--faint);font-size:13px}
.media-slot{width:min(100%,var(--slot-w));height:var(--slot-h);background:var(--white);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}
.ice-cut{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:center}.ice-cut .media-slot{clip-path:polygon(8% 0,100% 0,92% 100%,0 100%)}
.cold-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.cold-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px;box-shadow:var(--shadow)}.cold-card strong{color:var(--red)}
.door-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.door-card{background:linear-gradient(180deg,var(--surface),var(--soft));border-left:4px solid var(--blue);border-radius:8px;padding:18px}.door-card:nth-child(2){border-left-color:var(--red)}
.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;text-align:center}.center-card{padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.center-card p{color:var(--muted)}
.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:130px 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 16px}.status-tag{font-size:12px;font-weight:800;color:var(--red)}
.memo-list{display:grid;gap:12px}.memo-item{padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.memo-item h3{display:flex;align-items:center;gap:8px}.memo-item h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 10px rgba(200,30,46,.35)}
.wrap-door{display:grid;grid-template-columns:1fr 250px;gap:24px;align-items:start}.wrap-door .media-pair{display:grid;gap:10px;justify-items:center}.icon-slot{width:48px;height:48px;background:var(--white);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px;object-fit:contain}
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.time-card{background:var(--surface);border-top:3px solid var(--blue);border-radius:8px;padding:18px}.time-card:nth-child(2){border-top-color:var(--red)}.time-card:nth-child(3){border-top-color:var(--navy)}
.reading{display:grid;gap:22px}.reading section{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:20px}.reading h2{padding-bottom:10px;border-bottom:1px solid var(--border)}
.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:170px 1fr;gap:18px;background:var(--surface);padding:18px;border:1px solid var(--border);border-radius:8px}.topic-row h2{font-size:18px;margin:0}.topic-row p{margin:0;color:var(--muted)}
.related{margin-top:30px;padding:20px;background:var(--deep);border-radius:8px}.related h2{font-size:18px}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;background:var(--white);border:1px solid var(--border);border-radius:8px}.related-links a:hover,.related-links a:focus-visible{border-color:var(--red-border);color:var(--red)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px}.faq-item h2{font-size:17px}.faq-item p{color:var(--muted)}
.site-footer{background:var(--navy);color:var(--white);border-top:2px solid var(--red);font-size:13px;padding:30px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand__logo{display:inline-flex;align-items:center;min-height:44px}.footer-brand img{height:24px;width:auto}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{color:var(--white);font-size:13px;margin-bottom:8px}.footer-groups a{display:block;color:#EEF4FB;opacity:.88;padding:4px 0}.footer-note{max-width:780px;color:#D6E4F4;margin:24px 0 8px}.footer-copy{margin:0;color:#D6E4F4}
.overlay{position:fixed;inset:0;background:rgba(20,24,32,.44);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}
.menu-panel{position:fixed;left:0;top:20px;z-index:90;width:300px;max-width:86vw;height:min(70vh,680px);background:var(--white);border-radius:0 10px 10px 0;box-shadow:0 20px 48px rgba(20,24,32,.2);transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:.22s ease;overflow:hidden}.menu-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--border)}.panel-brand{display:flex;align-items:center;gap:10px}.panel-brand img{height:24px;width:auto}.panel-close{min-width:44px;min-height:44px;border:1px solid var(--border);background:var(--surface);border-radius:8px;color:var(--title);cursor:pointer}.menu-scroll{height:calc(100% - 58px);overflow:auto;padding:14px}.menu-scroll section+section{margin-top:18px}.menu-scroll h2{font-size:13px;color:var(--red);margin-bottom:6px}.menu-scroll a{display:block;padding:10px 8px;border-radius:8px}.menu-scroll a:hover,.menu-scroll a:focus-visible{background:var(--soft)}.menu-scroll span{display:block;font-weight:700;color:var(--title)}.menu-scroll small{display:block;color:var(--faint);font-size:12px;margin-top:2px}
.search-panel{position:fixed;left:0;right:0;top:74px;z-index:89;visibility:hidden;pointer-events:none;opacity:0;transition:.22s ease}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(700px,calc(100% - 32px));margin:0 auto;background:var(--white);border:1px solid var(--border);border-radius:0 0 10px 10px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.search-head p{font-size:13px;color:var(--muted);margin-top:4px}.search-card label{display:block;margin:12px 0 6px;font-size:13px;color:var(--muted)}.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:var(--surface);color:var(--title)}.search-card input:focus{outline:2px solid rgba(74,122,184,.3);border-color:var(--blue)}.search-results{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.search-results a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px}.search-results a:hover,.search-results a:focus-visible{border-color:var(--red-border);color:var(--red)}
.mobile-bottom{display:none}
.notice-box{background:var(--navy);color:var(--white);border-radius:8px;padding:18px}.notice-box h2,.notice-box h3{color:var(--white)}.notice-box p{color:#EEF4FB}.accent-box{background:var(--soft);border:1px solid var(--red-border);border-radius:8px;padding:18px}
.inline-links{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}.inline-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:999px;background:var(--white)}
@media (max-width:760px){
  .point-nav{display:none}.site-main{padding-top:102px;padding-bottom:78px}.site-header{box-shadow:0 4px 18px rgba(26,42,68,.06)}
  .top-strip__inner,.brand-bar__inner,.footer-inner,.site-main{width:calc(100% - 32px)}
  .brand-actions{gap:6px}.app-link,.menu-button{padding:0 12px}.ice-cut,.cold-grid,.door-grid,.center-cards,.wrap-door,.timeline,.topic-row{grid-template-columns:1fr}
  .ice-cut .media-slot{justify-self:center}.wrap-door .media-pair{justify-items:center}.status-row{grid-template-columns:1fr;gap:4px}.status-row .status-tag{justify-self:start}
  .footer-groups{grid-template-columns:repeat(2,1fr)}
  .search-panel{inset:0;top:0;background:var(--navy);z-index:95;padding:16px}.search-card{width:100%;height:100%;margin:0;background:var(--navy);color:var(--white);border:0;border-radius:0;box-shadow:none;padding:8px}.search-head strong,.search-head p,.search-card label{color:var(--white)}.search-card input{background:var(--white)}.search-results{grid-template-columns:repeat(2,1fr)}.search-results a{color:var(--white);border-color:rgba(247,250,253,.25)}.search-results a:hover,.search-results a:focus-visible{color:var(--white);border-color:var(--red)}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--white);border-top:1px solid var(--border);z-index:70}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--red);color:var(--white)}
  .menu-panel{top:0;height:100vh;border-radius:0 10px 10px 0;max-width:86vw}
  .section{padding:24px 0}.section-head{align-items:start;flex-direction:column;gap:4px}.media-slot{max-width:100%}
}