:root{--bg:#EEF4FB;--deep:#D6E4F4;--surface:#F7FAFD;--soft:#E4EEF8;--title:#141820;--text:#1E2834;--muted:#4A5A6E;--sub:#6A7A8E;--red:#C81E2E;--blue:#4A7AB8;--navy:#1A2A44;--white:#F7FAFD;--line:rgba(20,24,32,.12);--hot: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:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(960px,calc(100% - 32px));margin:auto}.topline{position:fixed;z-index:1002;top:0;left:0;right:0;height:20px;background:var(--navy);color:var(--white);font-size:12px}.topline-in{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--white);padding:0 4px;cursor:pointer;font-size:12px}.brandbar{position:fixed;z-index:1001;top:20px;left:0;right:0;height:54px;background:var(--white);border-bottom:1px solid var(--hot)}.brandbar-in{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;min-width:70px}.brand img,.footer-logo img,.menu-brand img{height:24px;width:auto;max-width:116px;object-fit:contain}.brand strong{font-size:16px;letter-spacing:.12em;color:var(--navy)}.brand-actions{display:flex;gap:8px;align-items:center}.mini-link,.menu-button,.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:0 16px;font-size:14px;white-space:nowrap;transition:.22s ease}.mini-link{color:var(--red);border:1px solid var(--hot);background:var(--white)}.menu-button,.btn.primary{border:0;background:linear-gradient(135deg,var(--navy) 0%,var(--red) 100%);color:var(--white);box-shadow:0 0 0 0 rgba(200,30,46,0);cursor:pointer}.mini-link:hover,.mini-link:focus-visible,.menu-button:hover,.menu-button:focus-visible,.btn:hover,.btn:focus-visible,.quickitem.is-active:hover{box-shadow:0 0 18px rgba(200,30,46,.5),0 0 4px rgba(74,122,184,.35);outline:none}.menu-button:active,.btn:active,.quickitem.is-active:active{box-shadow:0 0 26px rgba(200,30,46,.75)}.btn.secondary{background:var(--white);border:1px solid var(--red);color:var(--text)}.quicknav{position:fixed;z-index:1000;top:74px;left:0;right:0;height:44px;background:var(--white);border-bottom:1px solid var(--line)}.quicknav-in{height:44px;display:flex;align-items:center;gap:24px}.quickitem{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);min-height:44px}.dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--blue);display:inline-block}.quickitem.is-active .dot{background:var(--red);border-color:var(--red);box-shadow:0 0 18px rgba(200,30,46,.5),0 0 4px rgba(74,122,184,.35)}.site-main{padding-top:138px;min-height:70vh}.page,.home{width:min(960px,calc(100% - 32px));margin:auto}.hero{padding:42px 0 24px}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--red);font-weight:700;text-transform:uppercase}.hero h1,.section-head h2{margin:.25em 0;color:var(--title);line-height:1.3}.hero h1{font-size:24px}.hero p{max-width:760px;margin:10px 0 18px}.lead{font-size:16px;color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap}.section{padding:28px 0;border-top:1px solid var(--line)}.section h2{font-size:20px;margin:0 0 14px;color:var(--title)}.section h3{font-size:16px;margin:0 0 6px}.section p{margin:7px 0}.muted{color:var(--muted)}.media-slot{background:var(--white);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-wide{width:100%;height:168px}.media-ice{width:280px;height:176px;border-radius:32px 8px 32px 8px}.media-small{height:160px}.media-app{width:240px;height:320px}.media-banner{width:100%;height:200px}.split-cold{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}.split-cold .panel,.door-card,.info-card,.status-card,.memo-card,.topic-card,.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:var(--shadow)}.panel.red-edge,.door-card:first-child{border-top:3px solid var(--red)}.door-grid,.topic-grid,.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.door-card{min-height:170px}.index-points{display:flex;gap:12px;margin:12px 0 18px;flex-wrap:wrap}.index-points a{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:13px}.index-points span{width:10px;height:10px;border-radius:50%;border:2px solid var(--blue)}.index-points a:first-child span{background:var(--red);border-color:var(--red)}.ice-cut{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:center;background:linear-gradient(120deg,var(--deep),var(--surface));padding:20px;border-radius:8px}.text-wrap{display:flex;gap:24px;align-items:flex-start}.text-wrap .copy{flex:1}.text-wrap .media-slot{flex:0 0 240px}.status-list{display:grid;gap:12px}.status-card{display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:start}.status-label{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:5px 10px;background:var(--navy);color:var(--white);font-size:13px;width:max-content}.memo-list{display:grid;gap:10px}.memo-card{position:relative;padding-left:48px}.memo-card:before{content:"";position:absolute;left:20px;top:24px;width:10px;height:10px;border-radius:50%;background:var(--red)}.center-card{max-width:720px;margin:0 auto;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:28px;box-shadow:var(--shadow)}.center-card p{text-align:left}.article-list{display:grid;gap:14px}.article-list article{background:var(--surface);padding:18px;border-left:3px solid var(--blue);border-radius:0 8px 8px 0}.policy section{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;margin:14px 0}.related{margin:28px 0 44px;padding:18px;background:var(--soft);border-radius:8px}.related h2{margin:0 0 10px;font-size:18px}.related-links{display:flex;gap:10px;flex-wrap:wrap}.related a{display:inline-flex;min-height:44px;align-items:center;padding:0 14px;background:var(--white);border:1px solid var(--line);border-radius:8px}.site-footer{background:var(--navy);color:var(--white);border-top:1px solid var(--red);padding:28px 0 76px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-logo strong{font-size:16px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:14px;color:var(--white);margin:0 0 8px}.footer-grid a{display:block;font-size:13px;color:#EEF4FB;margin:5px 0}.footer-note{margin-top:22px;padding-top:16px;border-top:1px solid rgba(247,250,253,.18);font-size:13px;color:#EEF4FB}.overlay{position:fixed;z-index:1100;inset:0;background:rgba(20,24,32,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.side-menu{position:fixed;z-index:1101;left:16px;top:50%;transform:translate(-115%,-50%);width:300px;max-height:70vh;background:var(--white);border-radius:8px;box-shadow:0 22px 70px rgba(20,24,32,.28);transition:.22s ease;visibility:hidden;pointer-events:none;overflow:hidden}.side-menu.open{transform:translate(0,-50%);visibility:visible;pointer-events:auto}.menu-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--line)}.menu-brand{display:flex;align-items:center;gap:8px}.close-button{min-width:56px;min-height:44px;border:1px solid var(--line);background:var(--white);border-radius:8px;cursor:pointer}.menu-scroll{overflow:auto;max-height:calc(70vh - 74px);padding:12px}.menu-scroll section+section{margin-top:14px}.menu-scroll h2{font-size:13px;color:var(--red);margin:4px 6px}.menu-scroll a{display:grid;grid-template-columns:76px 1fr;gap:6px;padding:7px 6px;border-radius:8px}.menu-scroll a:hover{background:var(--soft)}.menu-scroll b{font-size:14px;color:var(--title)}.menu-scroll span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;z-index:1102;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s ease}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:auto;background:var(--white);border:1px solid var(--line);border-radius:0 0 8px 8px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{font-size:18px;margin:0}.search-card label{display:block;color:var(--muted);margin:12px 0 6px}.search-card input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;color:var(--text);background:var(--surface)}.search-results{display:grid;gap:6px;margin-top:10px}.search-results a{display:flex;justify-content:space-between;gap:14px;padding:10px;background:var(--soft);border-radius:8px}.search-results span{color:var(--muted);font-size:13px}.preset-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.preset-links a{border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:13px}.mobile-bottom{display:none}.quote-line{padding:16px 18px;border-left:3px solid var(--red);background:var(--surface);border-radius:0 8px 8px 0}.stack-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.soft-band{background:var(--deep);border-radius:8px;padding:18px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.timeline article{background:var(--surface);border-top:3px solid var(--blue);border-radius:8px;padding:16px}.app-icons{display:flex;gap:12px;align-items:center;margin-top:12px}.app-icons img{width:48px;height:48px;object-fit:contain}.faq-item h2{font-size:16px}.faq-item p{margin-bottom:0}.home .section{padding:34px 0}.home-intro{padding-top:42px}.home-intro h1{font-size:24px;line-height:1.3;margin:8px 0}.home-intro .tagline{font-size:17px;color:var(--navy);font-weight:700}.home-intro p{max-width:760px}.section-kicker{font-size:12px;color:var(--red);letter-spacing:.14em;font-weight:700}.home-title-row{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px}.home-title-row h2{margin:0}.brand-copy{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}
@media(max-width:720px){.quicknav{display:none}.site-main{padding-top:94px;padding-bottom:56px}.brand-actions{gap:6px}.mini-link,.menu-button{padding:0 12px}.side-menu{left:8px;width:86%;max-height:78vh}.side-menu.open{transform:translate(0,-50%)}.menu-scroll{max-height:calc(78vh - 74px)}.search-panel{top:0;bottom:0;background:var(--navy)}.search-card{width:100%;height:100%;border:0;border-radius:0;background:var(--navy);color:var(--white);padding:24px 16px}.search-head h2,.search-card label{color:var(--white)}.search-card input{background:var(--white);color:var(--text)}.preset-links a{border-color:rgba(247,250,253,.28)}.search-results a{background:rgba(247,250,253,.08)}.search-results span{color:#D6E4F4}.close-button{background:var(--white)}.split-cold,.door-grid,.topic-grid,.faq-grid,.ice-cut,.stack-grid,.timeline,.status-card{grid-template-columns:1fr}.ice-cut{gap:16px}.media-ice{width:100%;max-width:280px}.text-wrap{display:block}.text-wrap .media-slot{width:100%;max-width:240px;margin:18px auto 0}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:1050;bottom:0;left:0;right:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--white);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:48px}.mobile-bottom a.is-current{background:var(--red);color:var(--white)}.site-footer{padding-bottom:80px}.hero{padding-top:30px}.home-title-row{align-items:start;flex-direction:column}.menu-scroll a{grid-template-columns:70px 1fr}}@media(max-width:420px){.wrap,.page,.home{width:min(100% - 32px,960px)}.brandbar-in{gap:8px}.brand-actions .mini-link{padding:0 10px}.footer-grid{grid-template-columns:1fr 1fr;gap:18px 12px}.door-grid,.faq-grid{gap:12px}}
