:root{--bg:#E7F4F8;--deepbg:#D7ECF2;--panel:#F3FAFC;--panel2:#EAF6F9;--title:#163038;--text:#1F3C44;--muted:#4A6E78;--soft:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--white:#F3FAFC;--green:#5A8A6A;--border:rgba(26,58,68,.14);--focus:rgba(110,201,212,.5);--shadow:0 12px 28px rgba(22,48,56,.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",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{max-width:100%;display:block}.top-fixed{position:fixed;z-index:80;top:0;left:0;right:0;box-shadow:0 4px 18px rgba(22,48,56,.04)}.tidebar{height:20px;background:var(--deep);color:var(--white);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - 1000px)/2));font-size:12px}.plain-btn{border:0;background:none;color:var(--white);cursor:pointer;padding:0 6px;height:20px}.brandbar{height:54px;background:var(--blue);border-bottom:1px solid var(--cyan);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - 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.point-dot{background:var(--deep)}.site-main{padding-top:118px;min-height:70vh}.container{width:min(1000px,calc(100% - 32px));margin:0 auto}.hero-line{border-left:3px solid var(--cyan);padding:34px 0 32px 22px;margin:26px auto}.hero-line h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--title);margin:0 0 12px}.lead{font-size:16px;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:9px;border:1px solid var(--deep);font-size:14px;min-width:110px}.btn.primary{border:0;background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);color:var(--title);font-weight:700}.btn.secondary{background:var(--panel);color:var(--deep)}a:hover,.btn:hover{opacity:.9}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.section{padding:34px 0}.section h2{font-size:20px;color:var(--title);margin:0 0 16px}.section h3{font-size:16px;color:var(--title);margin:0 0 8px}.section p{margin:0 0 14px}.section.alt{background:var(--deepbg)}.section.panel{background:var(--panel2)}.media-slot{width:100%;background:var(--blue);border:1px solid var(--border);border-radius:10px;min-height:150px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.short-cover{height:188px}.about-banner{height:200px}.app-image{height:min(320px,66vw)}.icon-slot{height:64px;width:64px;min-height:64px}.icon-slot img{width:48px;height:48px;object-fit:contain}.stagger{display:grid;gap:22px}.stagger article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.stagger .copy{max-width:760px}.vertical-notes{display:grid;gap:14px}.note-row{display:grid;grid-template-columns:4px 1fr;gap:14px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.note-row:before{content:"";background:var(--cyan);border-radius:4px}.note-row.with-image{grid-template-columns:4px minmax(0,1fr)}.note-row .media-slot{margin-top:12px}.center-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:820px;margin:0 auto}.center-card{text-align:center;background:var(--panel);border:1px solid var(--border);border-radius:11px;padding:22px}.center-card .media-slot{margin-bottom:14px}.periods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.period{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.status-badge{display:inline-flex;justify-content:center;padding:5px 10px;border-radius:999px;background:var(--panel2);border:1px solid var(--cyan);color:var(--deep);font-size:13px}.app-band{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(240px,.85fr);gap:24px;align-items:center;background:var(--deep);color:var(--white);padding:24px;border-radius:12px}.app-band h2,.app-band h3{color:var(--white)}.app-band .muted{color:#CDE5EB}.mini-icon{display:flex;gap:12px;align-items:center;margin-bottom:12px}.faq-mini{display:grid;gap:12px}.faq-mini details{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.faq-mini summary{cursor:pointer;font-weight:700;color:var(--title)}.page-head{padding:32px 0 16px}.page-head p{max-width:790px;color:var(--muted)}.spaced-card{margin-top:20px}.content-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.left-intro{border-left:3px solid var(--cyan);padding-left:20px}.strip-layout .media-slot{height:188px;margin:12px 0 20px}.memo-list{display:grid;gap:12px}.memo-list article{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:18px}.method-steps{counter-reset:steps;display:grid;gap:14px}.method-steps article{counter-increment:steps;background:var(--panel);border-left:4px solid var(--blue);padding:18px;border-radius:8px}.method-steps h2:before{content:counter(steps) " · ";color:var(--green)}.topic-list{display:grid;gap:14px}.topic-list article{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:start;background:var(--panel);border:1px solid var(--border);padding:18px;border-radius:10px}.topic-tag{background:var(--deepbg);color:var(--deep);border-radius:8px;padding:14px;font-weight:700;text-align:center}.legal-sections{display:grid;gap:16px}.legal-sections section{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.check-item{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:16px}.contact-paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-paths article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);font-size:13px;margin-top:42px}.footer-inner{width:min(1000px,calc(100% - 32px));margin:0 auto;padding:30px 0 72px}.footer-brand{display:flex;gap:10px;align-items:center;margin-bottom:20px}.footer-brand span{color:#BBD9DF}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-links h2{font-size:14px;margin:0 0 8px;color:#F3FAFC}.footer-links a{display:block;color:#D7ECF2;padding:4px 0}.footer-note{margin:22px 0 10px;color:#CFE6EB}.copyright{color:#AACBD2}.overlay{position:fixed;z-index:90;inset:0;background:rgba(18,42,50,.32);opacity:0;pointer-events:none;transition:opacity .18s}.overlay.show{opacity:1;pointer-events:auto}.bay-menu{position:fixed;z-index:100;top:0;left:0;right:0;height:58vh;min-height:360px;background:var(--panel);transform:translateY(-105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility 0s linear .24s;box-shadow:0 18px 38px rgba(22,48,56,.18);overflow:auto}.bay-menu.open{transform:translateY(0);visibility:visible;pointer-events:auto;transition:transform .24s ease}.bay-menu-head{width:min(1000px,calc(100% - 32px));height:64px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.bay-menu-brand{display:flex;gap:10px;align-items:center}.bay-menu-brand img{height:24px}.menu-close,.search-close{min-width:64px;height:40px;border:1px solid var(--deep);background:var(--white);border-radius:8px;cursor:pointer}.bay-menu-grid{width:min(1000px,calc(100% - 32px));margin:18px auto 28px;display:grid;grid-template-columns:1.1fr 1.1fr .9fr 1.3fr;gap:20px}.bay-menu-grid h2{font-size:15px;margin:0 0 8px;color:var(--title)}.bay-menu-grid a{display:block;padding:7px 0;border-bottom:1px solid rgba(26,58,68,.08)}.bay-menu-grid a b{display:block;font-size:14px;color:var(--deep)}.bay-menu-grid a span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;z-index:99;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-layer.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--white);border:1px solid var(--border);border-radius:0 0 12px 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@media(max-width:720px){.pointnav{display:none}.site-main{padding-top:74px}.brandbar{padding:0 16px}.tidebar{padding:0 16px}.brand-actions{gap:6px}.top-app,.menu-open{padding:0 10px}.hero-line{margin-top:14px}.center-cards,.periods,.check-list,.contact-paths{grid-template-columns:1fr}.app-band{grid-template-columns:1fr}.app-band .app-image{max-height:300px}.status-row{grid-template-columns:1fr}.topic-list article{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{padding-bottom:88px}.bay-menu{height:58vh}.bay-menu-grid{grid-template-columns:1fr 1fr;gap:16px}.search-layer{top:0;bottom:0;background:var(--deep);color:var(--white);padding-top:74px}.search-card{width:100%;height:100%;border:0;border-radius:0;background:var(--deep);box-shadow:none;color:var(--white);padding:18px 16px}.search-head strong{color:var(--white)}.search-close{background:var(--white);color:var(--deep)}.search-presets a{background:rgba(243,250,252,.12);border-color:rgba(243,250,252,.28);color:var(--white)}.mobile-bottom{position:fixed;z-index:70;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(--panel);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.active{background:var(--cyan);color:var(--deep);font-weight:700}.footer-inner{width:calc(100% - 32px)}.bay-menu-grid a span{display:none}.bay-menu-grid a{padding:9px 0}.bay-menu-head{width:calc(100% - 32px)} }