:root{--bg:#EEF4FB;--deep:#D6E4F4;--paper:#F7FAFD;--soft:#E4EEF8;--ink:#141820;--body:#1E2834;--muted:#4A5A6E;--assist:#6A7A8E;--red:#C81E2E;--ice:#4A7AB8;--navy:#1A2A44;--line:rgba(20,24,32,.12);--focus:rgba(200,30,46,.45);--shadow:0 12px 28px rgba(26,42,68,.08);--radius:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.no-scroll{overflow:hidden}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:16px}h2{font-size:20px;color:var(--ink);margin-bottom:12px}h3{font-size:16px;color:var(--ink);margin-bottom:8px}p{margin-bottom:14px}.top-mini{height:20px;background:var(--navy);color:var(--paper);position:fixed;top:0;left:0;right:0;z-index:80;font-size:12px}.top-mini-inner,.brand-inner,.quick-nav,.site-main,.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto}.top-mini-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--paper);font-size:12px;padding:0 4px;height:20px}.brand-bar{height:54px;background:var(--paper);border-bottom:1px solid rgba(200,30,46,.28);position:fixed;top:20px;left:0;right:0;z-index:79}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-home{min-height:44px;display:flex;align-items:center}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-text{font-size:16px;font-weight:700;color:var(--navy)}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:8px;font-size:14px;white-space:nowrap;transition:.22s ease}.app-link{color:var(--red);border:1px solid var(--red);background:var(--paper)}.menu-button{border:1px solid transparent;background:linear-gradient(135deg,var(--navy) 0%,var(--red) 100%);color:var(--paper);box-shadow:0 0 0 0 rgba(200,30,46,0)}.menu-button:hover,.menu-button:focus-visible,.btn.primary:hover,.btn.primary:focus-visible{box-shadow:0 0 18px rgba(200,30,46,.50),0 0 4px rgba(74,122,184,.35)}.menu-button:active,.btn.primary:active{box-shadow:0 0 26px rgba(200,30,46,.75)}.quick-nav{height:44px;background:var(--paper);position:fixed;top:74px;left:50%;transform:translateX(-50%);z-index:78;display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding:0 4px}.quick-item{display:flex;align-items:center;gap:8px;font-size:13px;min-height:44px}.quick-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--ice);display:inline-block}.quick-item.is-current .quick-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-top:142px;padding-bottom:42px}.hero,.section-card,.split-cold,.door-card,.center-card,.terms-box,.memo-box,.timeline-box,.topic-row,.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{padding:26px;margin-bottom:22px}.eyebrow{font-size:13px;color:var(--red);font-weight:700;letter-spacing:.04em}.lead{font-size:16px;color:var(--muted);max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn.primary{background:linear-gradient(135deg,var(--navy) 0%,var(--red) 100%);color:var(--paper);border:0;box-shadow:0 0 0 0 rgba(200,30,46,0)}.btn.secondary{background:var(--paper);color:var(--body);border:1px solid var(--red)}.btn:hover,.btn:focus-visible,.app-link:hover,.app-link:focus-visible{outline:none;transform:translateY(-1px)}.section{margin:22px 0}.section-card{padding:22px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:14px}.section-head p{margin:0;color:var(--assist);font-size:13px}.media-slot{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.horizontal{height:168px;width:100%}.media-slot.small-wide{height:160px;width:100%}.media-slot.ice{height:176px;width:280px;max-width:100%;clip-path:polygon(10% 0,100% 0,94% 82%,78% 100%,0 92%,0 14%)}.media-slot.app{height:320px;width:240px;max-width:100%}.media-slot.banner{height:200px;width:100%}.media-img{width:100%;height:100%;object-fit:contain;object-position:center}.grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.split-cold{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px;padding:20px}.split-cold.reverse{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.door-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.door-card{padding:18px;border-left:4px solid var(--ice)}.door-card.accent{border-left-color:var(--red)}.ice-cut{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:center;background:var(--deep);padding:20px;border-radius:var(--radius);border:1px solid var(--line)}.wrap-app{display:grid;grid-template-columns:1fr 250px;gap:24px;align-items:start}.wrap-app .app-visual{float:right}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.status-badge{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border-radius:999px;background:var(--soft);color:var(--navy);font-weight:700}.status-badge.red{background:rgba(200,30,46,.10);color:var(--red)}.status-badge.blue{background:rgba(74,122,184,.14);color:var(--navy)}.memo-list{display:grid;gap:14px}.memo-box{padding:18px;border-top:3px solid var(--ice)}.memo-box:nth-child(even){border-top-color:var(--red)}.topic-list{display:grid;gap:14px}.topic-row{padding:18px;display:grid;grid-template-columns:130px 1fr;gap:18px}.topic-row strong{color:var(--red)}.center-stack{display:grid;gap:16px;max-width:760px;margin:0 auto}.center-card{padding:22px;text-align:center}.terms-box{padding:20px;margin-bottom:14px}.terms-box h2{padding-bottom:8px;border-bottom:1px solid var(--line)}.related{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.related-links a{min-height:44px;background:var(--paper);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:8px;text-align:center}.related-links a:hover,.related-links a:focus-visible{border-color:var(--red);outline:none}.faq-list{display:grid;gap:14px}.faq-item{padding:18px}.faq-item h2{font-size:16px;color:var(--navy)}.note-strip{background:var(--navy);color:var(--paper);border-radius:8px;padding:16px 18px}.note-strip strong{color:var(--paper)}.soft-strip{background:var(--soft);border-left:4px solid var(--red);padding:16px 18px;border-radius:8px}.site-footer{background:var(--navy);color:var(--bg);border-top:2px solid var(--red);padding:28px 0 76px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-brand strong{font-size:16px}.footer-brand span{font-size:12px;color:var(--deep)}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:13px;color:var(--paper);margin-bottom:8px}.footer-groups a{display:block;font-size:13px;color:var(--bg);padding:3px 0}.footer-note,.copyright{font-size:13px;color:var(--deep)}.footer-note{margin-top:22px;max-width:800px}.copyright{margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(20,24,32,.46);z-index:90;opacity:0;pointer-events:none;transition:.22s ease}.overlay.is-active{opacity:1;pointer-events:auto}.menu-panel{position:fixed;top:84px;left:0;width:300px;max-width:86vw;max-height:70vh;background:var(--paper);z-index:100;border-radius:0 8px 8px 0;box-shadow:var(--shadow);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:.22s ease;overflow:auto}.menu-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;background:var(--paper);display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--line);z-index:2}.panel-brand{display:flex;align-items:center;gap:8px}.panel-brand img{height:24px;width:auto;object-fit:contain}.panel-close,.search-head button{min-height:44px;border:1px solid var(--red);color:var(--red);background:var(--paper);border-radius:8px;padding:0 12px}.menu-groups{padding:10px 14px 18px}.menu-groups section{margin:8px 0 16px}.menu-groups h2{font-size:13px;color:var(--red);margin:0 0 6px}.menu-groups a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.menu-groups b,.menu-groups small{display:block}.menu-groups b{font-size:14px}.menu-groups small{font-size:12px;color:var(--assist);line-height:1.5}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:99;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.22s ease}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-inner{width:min(960px,calc(100% - 32px));margin:0 auto;background:var(--paper);border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-inner label{display:block;color:var(--muted);margin-bottom:8px}.search-inner input{width:100%;height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff;color:var(--body)}.search-inner input:focus{outline:2px solid rgba(74,122,184,.28);border-color:var(--ice)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;display:flex;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--soft)}.mobile-bottom{display:none}.page-title{margin-bottom:20px}.page-title .eyebrow{margin-bottom:6px}.kicker-list{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.kicker-list a{font-size:13px;padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--navy)}
@media (max-width:760px){.quick-nav{display:none}.site-main{padding-top:98px;padding-bottom:74px}.top-mini-inner,.brand-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.brand-actions{gap:6px}.app-link,.menu-button{padding:0 12px}.grid-two,.split-cold,.split-cold.reverse,.door-grid,.ice-cut,.wrap-app,.status-row,.topic-row,.related-links,.footer-groups{grid-template-columns:1fr}.ice-cut{padding:16px}.media-slot.ice{width:280px;max-width:100%;margin:0 auto}.wrap-app .app-visual{float:none;margin:0 auto}.media-slot.app{margin:0 auto}.status-row{gap:8px}.topic-row{gap:8px}.site-footer{padding-bottom:86px}.footer-groups{grid-template-columns:1fr 1fr}.search-panel{top:0;bottom:0;background:var(--navy);padding-top:max(18px,env(safe-area-inset-top));}.search-inner{width:100%;height:100%;margin:0;background:var(--navy);color:var(--paper);border:0;border-radius:0;box-shadow:none}.search-head strong,.search-inner label{color:var(--paper)}.search-head button{background:transparent;color:var(--paper);border-color:var(--paper)}.search-inner input{background:var(--paper)}.search-presets a{background:transparent;color:var(--paper);border-color:rgba(247,250,253,.35)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--line);z-index:70;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--red);color:var(--paper)}.menu-panel{top:74px;max-height:calc(100vh - 96px)}.hero{padding:20px}.section-card{padding:18px}.footer-groups{gap:10px 20px}}
@media (max-width:420px){.app-link{font-size:13px;padding:0 10px}.menu-button{font-size:13px;padding:0 10px}.brand-inner{width:calc(100% - 24px)}.footer-groups{grid-template-columns:1fr}.site-main{width:calc(100% - 32px)}}
