:root{--navy:#174b78;--blue:#2671b2;--ink:#172f43;--muted:#64798a;--line:#d8e5f0;--red:#ed1c24}*{box-sizing:border-box}body{margin:0;font:16px/1.7 Arial,sans-serif;color:var(--ink)}a{text-decoration:none;color:inherit}a:focus-visible{outline:3px solid #e3aa43;outline-offset:3px}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.preview{background:var(--navy);color:#d7e9f7;text-align:center;padding:5px;font-size:11px}header{border-bottom:1px solid var(--line);background:white;position:sticky;top:0;z-index:10}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:23px;font-weight:900;color:var(--navy);line-height:1}.brand em{color:var(--red);font-style:normal}.brand small{display:block;letter-spacing:2px;font-size:9px;font-weight:normal;margin-top:8px}.back{font-size:13px;color:var(--blue);font-weight:bold;min-height:44px;display:flex;align-items:center}.hero{background:#eef5fb;padding:56px 0}.eyebrow{font-size:11px;letter-spacing:1.6px;color:var(--blue);text-transform:uppercase;font-weight:bold}.crumb{font-size:12px;color:#567085;margin-bottom:20px}.crumb a{text-decoration:underline}h1{font-size:clamp(34px,5vw,52px);line-height:1.15;letter-spacing:-1.5px;color:var(--navy);max-width:900px;margin:12px 0 18px}h2{color:var(--navy);line-height:1.3}p{color:#4c6475}.lead{font-size:17px;max-width:760px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:17px;padding:46px 0 70px}.card{border:1px solid var(--line);padding:25px;border-radius:5px;display:block}.card:hover{border-color:var(--blue);background:#f8fbfd}.card small{color:var(--blue);font-size:11px;letter-spacing:1px}.card h2{font-size:22px;margin:11px 0}.card p{font-size:14px;margin:0 0 13px}.card b{font-size:13px;color:var(--blue)}.article{width:min(790px,calc(100% - 40px));margin:45px auto 70px}.article p,.article li{line-height:1.85}.article h2{margin:32px 0 12px}.article strong{color:#203f57}.article ul,.article ol{padding-left:25px}.article li{margin:6px 0}.article blockquote{border-left:3px solid var(--blue);padding-left:20px;margin-left:0;color:#4c6475}.note{border-left:3px solid var(--blue);background:#eef5fb;padding:14px 18px;font-size:13px;margin:38px 0}.article-links{display:flex;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}.article-links a{color:var(--blue);font-size:13px;font-weight:bold}footer{border-top:1px solid var(--line);color:var(--muted);font-size:12px;padding:25px 0}@media(max-width:700px){.nav{min-height:65px}.brand{font-size:20px}.brand small{font-size:7px}.hero{padding:38px 0}.cards{grid-template-columns:1fr;padding:28px 0 45px}.article{margin:30px auto 50px}}.card{overflow:hidden}.card img{width:calc(100% + 50px);height:175px;object-fit:cover;margin:-25px -25px 19px;background:#eef5fb}.article-figure{margin:0 0 28px}.article-figure img{display:block;width:100%;max-height:400px;object-fit:cover;border-radius:5px;background:#eef5fb}.article-figure figcaption{font-size:11px;color:var(--muted);margin-top:5px}
.inside-links{display:flex;align-items:center;gap:15px;font-size:12px;font-weight:700;color:#174b78}.inside-links a{white-space:nowrap}.inside-links a:hover,.inside-mobile a:hover{color:#2671b2}.inside-mobile{display:none}.inside-mobile summary{cursor:pointer;color:#174b78;font-size:13px;font-weight:700;padding:12px;min-height:44px;list-style:none}.inside-mobile summary::-webkit-details-marker{display:none}.inside-mobile summary:after{content:" ▾"}.inside-mobile[open] summary:after{content:" ▴"}.inside-mobile .links{position:absolute;right:20px;top:calc(100% - 1px);width:min(260px,calc(100vw - 40px));display:grid;background:white;border:1px solid #d8e5f0;box-shadow:0 12px 24px #174b7822;padding:9px;z-index:30}.inside-mobile a{display:block;padding:10px;min-height:42px;font-size:13px}.inside-links a:focus-visible,.inside-mobile a:focus-visible{outline:3px solid #e3aa43;outline-offset:2px}@media(max-width:1020px){.inside-links{gap:9px;font-size:11px}}@media(max-width:820px){header{position:relative}.inside-links{display:none}.inside-mobile{display:block}.nav{position:relative}.brand{font-size:19px!important}.brand small{font-size:7px!important}}
@media(min-width:821px) and (max-width:1100px){header{position:relative}.inside-links{display:none}.inside-mobile{display:block}.nav{position:relative}}
.brand{display:inline-flex;align-items:center;flex-shrink:0;line-height:0}.brand .brand-logo{display:block;width:225px;max-width:100%;height:auto;aspect-ratio:4.2;object-fit:contain}@media(max-width:760px){.brand .brand-logo{width:185px}}

.language-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid #d8e5f0;border-radius:6px;flex-shrink:0;background:#fff;line-height:1}
.language-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:34px;padding:6px;font-size:11px;font-weight:700;color:#40647c;border-radius:3px;text-decoration:none}
.language-switch a[aria-current="true"]{background:#174b78;color:white}.language-switch a:focus-visible{outline:3px solid #e3aa43;outline-offset:2px}
.inside-links{margin-left:auto}.navrow>nav{margin-left:auto}
@media(min-width:761px) and (max-width:1200px){.navrow nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;padding:17px 34px;border-bottom:1px solid #d8e5f0;flex-direction:column;align-items:stretch;gap:6px}.navrow nav.open{display:flex}.navrow>.menu{display:block;min-width:44px;min-height:44px;border:1px solid #d8e5f0;border-radius:4px;background:white;color:#174b78}}
@media(min-width:821px) and (max-width:1200px){header{position:relative}.inside-links{display:none}.inside-mobile{display:block}.nav{position:relative}}
@media(max-width:1200px){.language-switch{margin-left:auto}}
@media(max-width:760px){.nav,.navrow{gap:8px}.brand .brand-logo{width:150px}.language-switch{gap:0;padding:2px}.language-switch a{min-width:28px;min-height:34px;font-size:10px;padding:4px}.inside-mobile summary{font-size:0;padding:8px;min-width:40px}.inside-mobile summary:after,.inside-mobile[open] summary:after{content:'☰';font-size:20px}.inside-mobile .links{max-height:calc(100vh - 90px);overflow-y:auto}}


.language-switch{display:none!important}.language-menu{position:relative;flex:none;margin-left:8px;line-height:1.4;color:#174b78}
.language-menu summary{display:flex;align-items:center;justify-content:center;gap:7px;min-height:42px;min-width:67px;padding:8px 10px;border:1px solid #c8dce9;border-radius:5px;background:#fff;cursor:pointer;font-size:12px;font-weight:bold;list-style:none}
.language-menu summary::-webkit-details-marker{display:none}.language-menu summary:after{content:'⌄';font-size:15px}
.language-menu .language-options{display:grid;position:absolute;right:0;top:calc(100% + 8px);width:185px;background:#fff;border:1px solid #d8e5f0;padding:6px;border-radius:6px;box-shadow:0 12px 30px #174b7826;z-index:60}
.language-options a{display:flex;align-items:center;justify-content:space-between;min-height:42px;padding:9px 11px;font-size:13px;color:#244b68;border-radius:3px;text-decoration:none}.language-options a:hover{background:#eef5fb}.language-options a[aria-current=true]{background:#174b78;color:white}.language-options a[aria-current=true]:after{content:'✓'}
.language-menu summary:focus-visible,.language-options a:focus-visible{outline:3px solid #e3aa43;outline-offset:2px}
:lang(zh-Hans),:lang(ja),:lang(ko){font-family:Arial,'Microsoft YaHei','Yu Gothic','Malgun Gothic',sans-serif}
html[lang=zh-Hans] h1,html[lang=zh-Hans] h2,html[lang=zh-Hans] h3,html[lang=ja] h1,html[lang=ja] h2,html[lang=ja] h3,html[lang=ko] h1,html[lang=ko] h2,html[lang=ko] h3{letter-spacing:-.02em;word-break:normal;line-height:1.35}
.article-body p{line-height:1.85;margin-bottom:20px}.full-article-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}.full-article-links a{display:inline-flex;min-height:44px;align-items:center;color:#2671b2;font-size:13px;font-weight:bold}
@media(max-width:1200px){.language-menu{margin-left:auto}}
@media(max-width:760px){.language-menu{margin-left:auto}.language-menu summary{min-width:62px;min-height:40px;padding:7px;font-size:11px}.nav,.navrow{gap:7px}.brand .brand-logo{width:145px}.inside-mobile summary{min-width:40px}}