/* 共用增量样式，加载在旧主题之后。 */
.seo-entry,.seo-download{--seo-ink:#172b4d;--seo-muted:#44566d;--seo-border:#dbe4ee;color:var(--seo-ink);box-sizing:border-box}
.seo-entry{width:min(100%,1180px);margin:0 auto;padding:clamp(24px,5vw,56px) 24px;background:#f4f8ff}
.seo-entry h1{font:750 clamp(28px,5vw,46px)/1.25 system-ui,sans-serif;margin:0 0 12px}
.seo-entry p,.seo-download p{margin:0 0 12px;line-height:1.65;color:var(--seo-muted)}
.seo-download{margin:18px 0 0;padding:16px;border:1px solid var(--seo-border);border-radius:14px;background:#fff}
.seo-download h2{font-size:18px;line-height:1.4;margin:0 0 8px}
.seo-links,.seo-related{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;padding:0;list-style:none}
.seo-links a,.seo-related a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 13px;border:1px solid #1a56aa;border-radius:9px;text-align:center;font:600 14px/1.5 system-ui,sans-serif;text-decoration:none}
.seo-links a{color:#fff;background:#1653a6}.seo-links a:hover{background:#103b78}
.seo-related a{background:#fff;color:#164a94}.seo-related a:hover{background:#e8f1ff}
.seo-links a:focus-visible,.seo-related a:focus-visible,.seo-crumb a:focus-visible{outline:3px solid #174ea6;outline-offset:3px}
.seo-crumb{max-width:1180px;width:100%;padding:12px 24px;margin:auto;color:#4a5f77;box-sizing:border-box}
.seo-crumb ol{display:flex;flex-wrap:wrap;gap:4px 8px;list-style:none;margin:0;padding:0;line-height:1.7;font-size:13px}
.seo-crumb li+li:before{content:"›";padding-right:8px;color:#667991}
.seo-crumb li{overflow-wrap:anywhere;min-width:0}.seo-crumb a{color:#244c87}
.seo-brand-note{max-width:900px;margin:10px auto;font-size:13px;line-height:1.7;text-align:center}
.seo-unverified{color:#516178}.information .seo-download{margin-top:16px}
.seo-android-resource{margin-top:16px;padding-top:14px;border-top:1px solid var(--seo-border)}
.seo-android-resource .seo-links a{background:#fff;color:#164a94}
.seo-android-resource .seo-links a:hover{background:#e8f1ff}
.session1 .part-left,.session1 .part-right,.detail{min-width:0}
.detail img,.seo-entry img{max-width:100%;height:auto}
@media(max-width:480px){
 .seo-entry{padding:24px 16px}.seo-crumb{padding:10px 16px}
 .seo-links{display:grid;grid-template-columns:minmax(0,1fr)}
 .seo-links a{width:100%;box-sizing:border-box}
}
/* Common navigation, with the original skip link retained. */
#js-header{min-height:0!important;height:auto!important;background:#fff!important;border-bottom:1px solid #e4eaf2}
#js-header .chr-header-v3__wrapper{max-width:1180px!important;min-height:0!important;box-sizing:border-box;width:100%!important;margin:auto!important;padding:0 clamp(16px,4vw,32px)!important;display:flex!important;align-items:center!important;justify-content:flex-start!important;gap:0!important}
#js-header .chr-header-v3__lockup{position:absolute!important;width:0!important;height:0!important;margin:0!important;padding:0!important}
#js-header .chr-header-v3__logo{display:none!important}
#js-header .cat-nav{display:flex!important;flex-wrap:wrap;gap:clamp(18px,5vw,36px)!important;margin:0!important;width:100%!important}
#js-header .cat-nav a{display:flex!important;align-items:center;min-height:54px!important;padding:0 2px!important;margin:0!important;font-size:15px!important}
.seo-home{--blue:#164da5;--navy:#132743;--sub:#4b6079;--edge:#dce6f1;width:100%;max-width:1180px;background:transparent;padding:28px clamp(16px,4vw,32px) 36px}
.seo-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center;gap:clamp(24px,5vw,66px);padding:clamp(22px,5vw,52px);border:1px solid #dbe7f7;border-radius:24px;background:linear-gradient(135deg,#f8fbff,#eaf3ff)}
.seo-eyebrow{display:inline-block;margin-bottom:12px;color:#27517f;font-size:13px;font-weight:650}
.seo-home h1{color:var(--navy);font-size:clamp(27px,4.2vw,52px);line-height:1.16;letter-spacing:-.04em;margin:0 0 12px}
.seo-home h1 span{display:block}
.seo-hero-intro p{max-width:30em;margin:0;font-size:15px;line-height:1.7}
.seo-home .seo-android-resource,.seo-download .seo-android-resource{box-sizing:border-box;min-width:0;padding:20px;border:1px solid #cdddf4;border-radius:17px;background:#fff;box-shadow:0 8px 22px #2449760d;margin:0}
.seo-download .seo-android-resource{margin:0 0 18px}
.seo-android-resource h2{color:#172b4d;font-size:20px;line-height:1.3;margin:9px 0 12px}
.seo-tag{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:6px;background:#edf4ff;color:#274f88;font-size:12px;font-weight:650}
.seo-apk-button{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:48px;padding:10px 15px;border-radius:10px;background:#164da5;color:#fff!important;font-size:15px;font-weight:700;text-decoration:none!important}
.seo-apk-button:hover{background:#113b81}
.seo-apk-button:focus-visible,.seo-recommend a:focus-visible{outline:3px solid #174ea6;outline-offset:3px}
.seo-android-resource p,.seo-home .seo-android-resource p{margin:10px 0 0;font-size:13px;color:#4b6079;line-height:1.55}
.seo-home>.seo-download,.seo-recommend{padding:22px;margin:18px 0 0;border-radius:17px;border:1px solid var(--edge);background:#fff}
.seo-home>.seo-download>h2,.seo-recommend h2{margin:0 0 6px;color:var(--navy);font-size:20px;line-height:1.35}
.seo-home>.seo-download>p{margin:0 0 10px;font-size:14px}
.seo-home>.seo-download .seo-links,.seo-recommend ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:0;margin:12px 0;list-style:none}
.seo-home>.seo-download .seo-links a{width:100%;box-sizing:border-box;background:#f7faff;color:#174785;border-color:#d6e4f5}
.seo-home>.seo-download .seo-links a:hover{background:#e8f1ff}
.seo-home>.seo-download .seo-links~p{margin:6px 0 0;font-size:13px}
.seo-recommend ul{margin-bottom:0}
.seo-recommend a{box-sizing:border-box;display:flex;flex-direction:column;gap:5px;height:100%;padding:14px;border:1px solid #e1e8f2;border-radius:11px;background:#fafcff;text-decoration:none;color:#173d73}
.seo-recommend a:hover{background:#eef5ff;border-color:#c4d8f1}
.seo-recommend a span{font-size:13px;line-height:1.6;color:#4b6079}
@media(max-width:700px){
 .seo-home{padding-top:16px}
 .seo-hero-grid{grid-template-columns:minmax(0,1fr);gap:18px;padding:18px;border-radius:18px}
 .seo-eyebrow{margin-bottom:8px}
 .seo-home>.seo-download,.seo-recommend{padding:16px}
 .seo-home>.seo-download .seo-links,.seo-recommend ul{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:360px){.seo-home h1{font-size:26px}.seo-hero-grid{padding:15px}.seo-home .seo-android-resource{padding:15px}}