:root {
    --bg:#F5FAFE;
    --bg-deep:#E7F2FA;
    --surface:#FFFFFF;
    --surface-2:#D7EAF6;
    --title:#16324A;
    --text:#2A4156;
    --muted:#4E6A80;
    --soft:#6E8899;
    --brand:#4AA3E0;
    --bright:#6BB8EC;
    --deep:#1B4A6E;
    --mist:#EAF5FC;
    --line:rgba(74,163,224,.16);
    --line-strong:rgba(74,163,224,.42);
    --shadow:0 12px 28px rgba(27,74,110,.08);
    --radius:12px;
    --header-h:122px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.layer-open{overflow:hidden}
a{color:var(--deep);text-decoration:none}
a:hover{text-decoration:none}
button,input{font:inherit}
button{border:0}
img{max-width:100%;display:block}
.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:120;background:#fff;color:var(--deep);padding:10px 14px;border-radius:8px;border:1px solid var(--line-strong)}
.skip-link:focus{top:8px}
.site-header{position:fixed;inset:0 0 auto 0;z-index:70;box-shadow:0 1px 0 var(--line)}
.thinbar{height:22px;background:var(--deep);color:#fff;font-size:12px}
.thinbar-inner{height:22px;display:flex;align-items:center;justify-content:space-between}
.thin-search{height:22px;padding:0 4px;background:transparent;color:#fff;cursor:pointer}
.masthead{height:60px;background:#fff;border-bottom:1px solid var(--line)}
.masthead-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center;color:var(--title);font-weight:800;font-size:16px}
.brand-image-slot{display:flex;align-items:center;justify-content:center}
.brand-image-slot--header{height:28px;max-width:140px}
.brand-image-slot--footer,.brand-image-slot--drawer{height:28px;max-width:130px}
.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-image-slot:has(img)+.brand-fallback{display:none}
.brand-fallback{font-size:18px;letter-spacing:.03em}
.drawer-trigger,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;font-weight:700}
.drawer-trigger{justify-self:center;min-width:88px;background:var(--mist);color:var(--deep);border:1px solid var(--line-strong);cursor:pointer}
.app-link{justify-self:end;padding:0 16px;background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff}
.section-tabs{height:40px;background:var(--mist);border-bottom:1px solid var(--line)}
.tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}
.tab-link{height:30px;min-width:76px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;font-size:13px;color:var(--deep)}
.tab-link.is-active{background:var(--brand);color:#fff;font-weight:700}
.site-main{padding-top:calc(var(--header-h) + 30px);padding-bottom:48px;min-height:70vh}
h1,h2,h3{color:var(--title);margin-top:0;letter-spacing:.01em}
h1{font-size:24px;line-height:1.3;margin-bottom:14px}
h2{font-size:20px;line-height:1.4;margin-bottom:12px}
h3{font-size:16px;line-height:1.45;margin-bottom:8px}
p{margin:0 0 14px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.13em;color:var(--brand);font-weight:800;text-transform:uppercase;margin-bottom:8px}
.page-head{margin-bottom:24px}
.page-head p{max-width:780px;color:var(--muted);font-size:15px}
.lead-card,.content-card,.feature-card,.note-card,.policy-card,.index-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.lead-card{padding:28px;margin-bottom:24px;background:linear-gradient(180deg,#fff 0%,#f8fcff 100%)}
.lead-card p:last-child,.content-card p:last-child,.policy-card p:last-child,.note-card p:last-child{margin-bottom:0}
.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}
.content-card,.policy-card,.note-card{padding:22px}
.content-card--wide{grid-column:1/-1}
.section-block{margin:34px 0}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
.section-title p{margin:0;color:var(--soft);font-size:13px;max-width:520px}
.image-slot{background:var(--mist);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.image-slot--banner{width:100%;height:260px}
.image-slot--card{height:180px}
.image-slot--issue{height:200px}
.image-slot--portrait{height:min(360px,60vw)}
.image-slot--compact{height:150px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 17px;border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff}
.btn-secondary{background:#fff;border-color:var(--line-strong);color:var(--deep)}
.btn:hover{transform:translateY(-1px)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(74,163,224,.35);outline-offset:3px}
.cover-copy{padding-top:18px}
.cover-copy .brand-line{color:var(--brand);font-weight:800;letter-spacing:.05em;margin-bottom:8px}
.home-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.home-three .index-card{padding:16px}
.home-three .index-card h2{margin-top:16px}
.home-three .index-card p{color:var(--muted)}
.issue-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:22px;align-items:start}
.issue-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}
.issue-item{background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:12px}
.issue-item span{display:block;color:var(--brand);font-size:12px;font-weight:800}
.shelf-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.shelf-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-height:150px}
.shelf-item strong{display:block;color:var(--title);margin:6px 0 7px}
.shelf-item span{font-size:12px;color:var(--brand);font-weight:800}
.shelf-item p{font-size:13px;color:var(--muted);margin:0}
.number-list{display:grid;gap:10px}
.number-item{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.number-item b{font-size:24px;line-height:1;color:var(--brand);letter-spacing:.02em}
.number-item p{margin:0;color:var(--muted)}
.timeline{position:relative;margin-left:10px;padding-left:24px;border-left:2px solid var(--surface-2)}
.timeline-item{position:relative;padding:0 0 24px 10px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-31px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--brand);border:3px solid var(--bg)}
.status{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border-radius:999px;background:var(--mist);color:var(--deep);font-size:12px;font-weight:800;margin-bottom:6px}
.note-stack{display:grid;gap:14px}
.note-card{border-left:4px solid var(--brand)}
.index-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.index-links a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-height:96px;display:block}
.index-links strong{display:block;color:var(--title);margin-bottom:6px}
.index-links span{font-size:13px;color:var(--muted)}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.faq-item h2{font-size:16px;margin-bottom:8px}
.faq-item p{margin:0;color:var(--muted)}
.policy-list{display:grid;gap:14px}
.policy-card h2{font-size:18px}
.contact-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.contact-card p{color:var(--muted)}
.contact-card a{display:inline-flex;min-height:44px;align-items:center;font-weight:700;color:var(--deep)}
.small-note{font-size:13px;color:var(--soft)}
.icon-wrap{width:48px;height:48px;border-radius:12px;background:var(--mist);display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.icon-wrap img{width:48px;height:48px;object-fit:contain}
.app-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px;align-items:center}
.site-footer{background:var(--deep);color:#E7F2FA;border-top:1px solid rgba(231,242,250,.22);font-size:13px;padding:36px 0 calc(34px + env(safe-area-inset-bottom))}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px;color:#fff}
.footer-brand strong{font-size:18px}
.footer-brand span:last-child{color:#E7F2FA}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.footer-grid h2{font-size:13px;color:#fff;margin-bottom:10px}
.footer-grid a{display:block;color:#E7F2FA;min-height:30px;line-height:30px}
.footer-note{margin:24px 0 16px;padding-top:18px;border-top:1px solid rgba(231,242,250,.18);color:#E7F2FA}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#D7EAF6}
.footer-bottom a{color:#fff}
.page-mask{position:fixed;inset:0;background:rgba(13,41,62,.45);z-index:82;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.page-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.drawer-panel{position:fixed;top:0;right:0;bottom:0;width:min(400px,86vw);background:#fff;z-index:90;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease;box-shadow:-18px 0 42px rgba(27,74,110,.14)}
.drawer-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:var(--mist)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}
.layer-close{min-width:54px;min-height:44px;border-radius:10px;background:#fff;color:var(--deep);border:1px solid var(--line-strong);cursor:pointer}
.drawer-scroll{height:calc(100% - 70px);overflow-y:auto;padding:14px 18px 30px}
.drawer-group{margin-bottom:18px}
.drawer-group h2{font-size:12px;color:var(--brand);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.drawer-group a{display:grid;grid-template-columns:76px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);min-height:56px}
.drawer-group strong{color:var(--title)}
.drawer-group span{color:var(--muted);font-size:13px}
.search-panel{position:fixed;left:0;right:0;top:82px;z-index:88;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);transition:.2s ease}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:22px}
.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}
.search-head h2{margin:0}
.search-card>p{color:var(--muted);margin-top:12px}
.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.search-presets a{min-height:42px;display:inline-flex;align-items:center;padding:0 14px;background:var(--mist);border:1px solid var(--line);border-radius:10px;font-weight:700}
.mobile-bottom{display:none}
.list-clean{list-style:none;padding:0;margin:0}
.list-clean li{padding:12px 0;border-bottom:1px solid var(--line)}
.list-clean li:last-child{border-bottom:0}
.quote-box{background:var(--mist);border:1px solid var(--line);border-radius:12px;padding:20px;color:var(--deep);font-weight:600}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.simple-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.simple-table th,.simple-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.simple-table th{background:var(--mist);color:var(--title);font-size:13px}.simple-table td{color:var(--muted)}
.simple-table tr:last-child td{border-bottom:0}
@media (max-width:820px){
    :root{--header-h:82px}
    .section-tabs{display:none}
    .site-main{padding-top:calc(var(--header-h) + 24px);padding-bottom:78px}
    .home-three,.content-grid,.issue-layout,.app-layout,.contact-cards{grid-template-columns:1fr}
    .shelf-list{grid-template-columns:repeat(2,minmax(0,1fr))}
    .index-links{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:78;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(27,74,110,.08)}
    .mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--deep)}
    .mobile-bottom a.is-active{background:var(--brand);color:#fff;font-weight:800}
    .drawer-panel{z-index:94}
    .page-mask{z-index:92}
    .search-panel{top:0;bottom:0;background:var(--deep);z-index:95;transform:none;display:flex;align-items:flex-start;padding-top:max(22px,env(safe-area-inset-top));overflow:auto}
    .search-panel.is-open{transform:none}
    .search-card{width:100%;min-height:100%;margin:0;background:var(--deep);border:0;border-radius:0;box-shadow:none;color:#fff;padding:26px 16px 80px}
    .search-head h2,.search-head .eyebrow{color:#fff}.search-card>p{color:#E7F2FA}
    .search-presets a{background:#fff;color:var(--deep);border-color:rgba(255,255,255,.35)}
    .search-card .layer-close{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
}
@media (max-width:560px){
    .shell{width:calc(100% - 32px)}
    .masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}
    .brand-link{min-width:0}.app-link{padding:0 10px;font-size:13px}.drawer-trigger{min-width:72px}
    .lead-card,.content-card,.policy-card,.note-card{padding:18px}
    .image-slot--banner{height:260px}.image-slot--card{height:180px}.image-slot--issue{height:200px}
    .shelf-list,.index-links{grid-template-columns:1fr}
    .issue-list{grid-template-columns:1fr}
    .number-item{grid-template-columns:44px 1fr;gap:10px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:16px}
    .section-title{align-items:start;flex-direction:column;gap:4px}
}
.page-visual{margin:0 0 24px}
.shelf-list--wide{grid-template-columns:repeat(2,minmax(0,1fr))}
.shelf-list--wide .shelf-item{min-height:0}
.shelf-list--wide .shelf-item h2{font-size:18px;margin:8px 0 10px}
.shelf-list--wide .shelf-item p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 12px}
.index-links--detail{grid-template-columns:repeat(2,minmax(0,1fr))}
.index-entry{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.index-entry h2{font-size:18px}.index-entry p{color:var(--muted)}
.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.mb-18{margin-bottom:18px}
@media (max-width:820px){.shelf-list--wide,.index-links--detail{grid-template-columns:1fr}}
@media (max-width:820px){.site-footer{padding-bottom:calc(88px + env(safe-area-inset-bottom))}}
/* Click-target refinements without changing the required compact header heights. */
.thin-search,.tab-link{position:relative}
.thin-search::before{content:"";position:absolute;inset:-11px -8px}
.tab-link::before{content:"";position:absolute;inset:-7px 0}
.search-presets a{min-height:44px}
.footer-grid a{min-height:44px;line-height:44px}