:root{--navy:#174b78;--blue:#2671b2;--ink:#172f43;--muted:#64798a;--line:#d8e5f0}*{box-sizing:border-box}body{margin:0;font:16px/1.65 Arial,sans-serif;color:var(--ink)}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #e3aa43;outline-offset:3px}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.preview{background:var(--navy);color:#d5e9f5;padding:5px;text-align:center;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;justify-content:space-between;align-items:center;gap:15px}.brand{font-size:23px;font-weight:900;color:var(--navy);line-height:1}.brand em{font-style:normal;color:#ed1c24}.brand small{display:block;font-size:9px;letter-spacing:2px;font-weight:normal;margin-top:7px}.hero{background:#eef5fb;padding:45px 0}.hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:45px;align-items:center}.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--blue);text-transform:none;font-weight:bold}.crumb{font-size:12px;color:#587284;margin-bottom:16px}.crumb a{text-decoration:underline}h1{color:var(--navy);font-size:clamp(34px,4.6vw,50px);letter-spacing:-1.2px;line-height:1.16;margin:12px 0 18px}p{color:#4d6578}h2{color:var(--navy);font-size:27px;line-height:1.3;margin:0 0 18px}.hero p{font-size:17px;max-width:520px;margin:0}.hero figure{margin:0}.hero img{display:block;width:100%;height:280px;object-fit:cover;border-radius:5px}.hero figcaption{font-size:11px;color:var(--muted);margin-top:6px}.body{display:grid;grid-template-columns:1fr .8fr;gap:70px;padding:52px 0 64px}.items{list-style:none;padding:0;margin:0}.items li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:10px}.items li:before{content:'✓';color:var(--blue);font-weight:bold}.steps{list-style:none;padding:0;margin:0;counter-reset:step}.steps li{display:flex;gap:12px;padding:10px 0;color:#4d6578}.steps li:before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:12px;font-weight:bold;color:var(--blue)}.next{background:var(--navy);color:white;padding:34px 0}.next .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px}.next h2{color:white;margin:0;font-size:23px}.next .btn{display:inline-flex;background:white;color:var(--navy);font-size:13px;font-weight:bold;min-height:46px;align-items:center;padding:10px 18px;border-radius:4px}footer{padding:25px 0;color:var(--muted);font-size:12px}@media(max-width:720px){.hero{padding:27px 0}.hero-grid,.body{grid-template-columns:1fr;gap:23px}.hero img{height:210px}.body{padding:35px 0 42px}.next .wrap{display:block}.next .btn{margin-top:16px}}
.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}}