:root{
  --bg:#F3F6F9;--surface:#FFFFFF;--surface-2:#E8EEF5;--ink:#0B1220;--text:#1E293B;--muted:#475569;--soft:#64748B;
  --blue:#2563EB;--blue-light:#60A5FA;--blue-deep:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);
  --shadow:0 14px 36px rgba(11,18,32,.08);--radius:18px;--header-h:136px;--mobile-nav-h:50px;
}
*{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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid rgba(37,99,235,.32);outline-offset:3px}.shell{width:min(1180px,calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:300;background:var(--blue);color:#fff;padding:10px 16px;border-radius:999px}.skip-link:focus{top:12px}.no-scroll{overflow:hidden}
.site-header{position:fixed;z-index:120;top:0;left:0;right:0;box-shadow:0 1px 0 rgba(11,18,32,.06)}.status-bar{height:32px;background:var(--slate);color:#fff}.status-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.status-brand{font-size:12px;font-weight:700;letter-spacing:.08em}.text-action{border:0;background:transparent;color:#fff;height:32px;padding:0 4px;cursor:pointer;font-size:13px}.command-bar{height:60px;background:#fff}.command-inner{height:100%;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:12px}.square-action{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer}.square-action span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink)}.brand-mark{justify-self:center;display:flex;align-items:center;min-height:44px}.brand-mark img{max-height:32px;width:auto}.brand-mark strong{font-size:22px;letter-spacing:.04em;color:var(--ink)}.app-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,var(--blue-light) 0%,var(--blue) 52%,var(--blue-deep) 100%);color:#fff;font-weight:700;font-size:14px}.tab-bar{height:44px;background:#fff;border-top:1px solid rgba(11,18,32,.05)}.tab-inner{height:100%;display:grid;grid-template-columns:repeat(6,1fr);align-items:stretch}.tab-inner a{display:flex;align-items:center;justify-content:center;position:relative;font-size:14px;color:var(--muted)}.tab-inner a:hover{color:var(--blue)}.tab-inner a.is-active{color:var(--blue);font-weight:700}.tab-inner a.is-active:after{content:"";position:absolute;height:3px;border-radius:3px 3px 0 0;left:26%;right:26%;bottom:0;background:var(--blue)}
.site-main{padding-top:calc(var(--header-h) + 34px);min-height:60vh}.page-section{padding:42px 0}.page-section.compact{padding:28px 0}.hero-card,.feature-card,.content-card,.notice-card,.faq-item,.terms-block,.step-card,.index-row,.topic-strip,.timeline-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}h1,h2,h3{margin:0;color:var(--ink);line-height:1.22}h1{font-size:clamp(28px,4vw,32px);letter-spacing:-.025em}h2{font-size:clamp(22px,3vw,28px)}h3{font-size:18px}p{margin:0;color:var(--text)}.lead{font-size:17px;color:var(--muted);max-width:780px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:20px}.section-head p{max-width:660px;color:var(--muted)}.hero-card{padding:clamp(24px,4vw,44px);overflow:hidden}.hero-copy{display:grid;gap:16px}.hero-copy .lead{max-width:760px}.hero-actions,.inline-links{display:flex;gap:12px;flex-wrap:wrap}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:0 20px;font-weight:800}.button.primary{background:linear-gradient(135deg,var(--blue-light) 0%,var(--blue) 52%,var(--blue-deep) 100%);color:#fff}.button.secondary{background:#fff;color:var(--blue);border:1px solid rgba(37,99,235,.28)}.button.text{padding:0;color:var(--blue)}.hero-media{margin-top:28px;max-height:340px;overflow:hidden;border-radius:18px;background:var(--surface-2)}.hero-media img{width:100%;height:100%;max-height:340px;object-fit:cover}.media-placeholder{width:100%;min-height:220px;display:flex;align-items:center;justify-content:center;border:1px dashed rgba(37,99,235,.22);border-radius:16px;background:linear-gradient(135deg,#eef3f9,#f8fafc);color:var(--blue);font-weight:900;letter-spacing:.12em}.hero-media .media-placeholder{min-height:280px;border:0}.media-box{overflow:hidden;border-radius:16px;background:var(--surface-2)}.media-box img{width:100%;height:auto;object-fit:cover}.media-box .media-placeholder{min-height:200px}
.topic-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.topic-strip{padding:18px;box-shadow:none;display:grid;gap:8px}.topic-title{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink)}.topic-title:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue)}.topic-strip p{font-size:14px;color:var(--muted)}.topic-strip a{color:var(--blue);font-size:13px;font-weight:700}.numbered-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.number-card{padding:22px 0;border-top:2px solid var(--blue)}.number-card .num{font-size:38px;color:var(--blue);font-weight:900;line-height:1;margin-bottom:18px}.number-card h3{margin-bottom:10px}.number-card p{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-card{padding:18px;display:grid;gap:14px}.feature-card p{color:var(--muted)}.feature-card .media-box{margin-bottom:2px}.stack-grid{display:grid;grid-template-columns:1fr;gap:16px}.wide-feature{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;padding:22px}.wide-feature.reverse{grid-template-columns:1fr 1.05fr}.wide-feature .copy{display:flex;flex-direction:column;justify-content:center;gap:12px}.quad-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quad-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.quad-card h3{margin-bottom:9px}.quad-card p{font-size:14px;color:var(--muted)}.file-list{display:grid;gap:10px}.file-row{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px}.file-row .file-icon{width:38px;height:38px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:900}.file-row small{color:var(--soft)}.file-row a{color:var(--blue);font-weight:700}.meter-list{display:grid;gap:0}.meter-row{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.meter-row:last-child{border-bottom:0}.meter-num{font-size:54px;line-height:1;color:var(--blue);font-weight:900}.meter-row p{color:var(--muted);margin-top:8px}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:6px;bottom:8px;width:2px;background:var(--line)}.timeline-item{position:relative;padding:0 0 26px 18px}.timeline-item:before{content:"";position:absolute;left:-26px;top:5px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--blue)}.timeline-item h3{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.status-tag{display:inline-flex;min-height:26px;align-items:center;padding:0 10px;border-radius:999px;background:var(--surface-2);color:var(--blue);font-size:12px;font-weight:800}.timeline-item p{margin-top:8px;color:var(--muted)}.service-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);gap:24px;align-items:stretch}.service-copy{padding:28px;background:#fff;border:1px solid var(--line);border-radius:18px;display:grid;gap:14px}.service-media{display:grid;grid-template-rows:1fr auto;gap:12px}.service-media .media-box{height:100%}.service-media .media-box img{height:100%;object-fit:cover}.badge-box{padding:14px;background:#fff;border:1px solid var(--line);border-radius:16px}.badge-box img{max-height:56px;width:auto}.prose{display:grid;gap:18px}.prose p{color:var(--text)}.prose h2{margin-top:8px}.prose h3{margin-top:4px}.prose-card{padding:clamp(22px,4vw,36px);background:#fff;border:1px solid var(--line);border-radius:18px}.callout{padding:20px;border-left:4px solid var(--blue);background:#fff;border-radius:0 14px 14px 0;color:var(--muted)}
.page-intro{padding:28px 0 14px}.page-intro-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end}.page-intro .lead{margin-top:12px}.crumb{font-size:13px;color:var(--soft);margin-bottom:10px}.crumb a{color:var(--blue)}.anchor-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.anchor-links a{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border:1px solid var(--line);background:#fff;border-radius:999px;color:var(--blue);font-size:13px;font-weight:700}.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.content-card{padding:22px}.content-card h2,.content-card h3{margin-bottom:10px}.content-card p+p{margin-top:12px}.content-card p{color:var(--muted)}.index-list{display:grid;gap:12px}.index-row{box-shadow:none;padding:18px 20px;display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:18px;align-items:start}.index-no{font-size:26px;font-weight:900;color:var(--blue);line-height:1.1}.index-row p{color:var(--muted);margin-top:6px}.index-row .meta{font-size:12px;color:var(--soft);white-space:nowrap}.wide-media{margin-bottom:18px}.wide-media img{width:100%;max-height:340px;object-fit:cover;border-radius:18px}.wide-media .media-placeholder{min-height:280px}.type-index{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.type-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.type-card h3{margin-bottom:8px}.type-card p{font-size:14px;color:var(--muted)}.episode-list{display:grid;gap:10px}.episode-row{background:#fff;border:1px solid var(--line);border-radius:14px;display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px}.episode-no{color:var(--blue);font-weight:900}.longread{max-width:880px}.career-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.career-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}.career-card .role-no{font-size:12px;color:var(--lime);font-weight:900;letter-spacing:.1em}.career-card h2{font-size:20px;margin:10px 0}.career-card p{color:var(--muted)}.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step-card{padding:20px;box-shadow:none}.step-card .step-no{color:var(--blue);font-size:13px;font-weight:900}.step-card h2{font-size:20px;margin:8px 0}.step-card p{color:var(--muted)}.note-list{display:grid;gap:16px}.note-item{padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px}.note-label{font-size:12px;color:var(--blue);font-weight:900}.note-item h2{font-size:22px;margin:8px 0 10px}.note-item p{color:var(--text)}.discover-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.discover-card{display:flex;flex-direction:column;gap:10px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.discover-card small{color:var(--lime);font-weight:800}.discover-card p{color:var(--muted)}.phone-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:start}.phone-layout .media-box{position:sticky;top:170px}.app-points{display:grid;gap:14px}.app-point{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.app-point h2{font-size:21px;margin-bottom:8px}.app-point p{color:var(--muted)}.terms-list{display:grid;gap:14px}.terms-block{padding:22px;box-shadow:none}.terms-block h2{font-size:21px;margin-bottom:10px}.terms-block p{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{padding:22px;box-shadow:none}.faq-item h2{font-size:19px;margin-bottom:10px}.faq-item p{color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.contact-card h2{font-size:21px;margin-bottom:10px}.contact-card p{color:var(--muted)}
.site-footer{margin-top:54px;background:#0B1220;color:#D6E4FF;padding:48px 0 calc(24px + env(safe-area-inset-bottom))}.site-footer p,.site-footer a{color:#D6E4FF}.footer-grid{display:grid;grid-template-columns:.9fr 1.6fr;gap:46px}.footer-brand{display:grid;align-content:start;gap:12px}.footer-logo{display:inline-flex;align-items:center;max-width:180px}.footer-logo img{max-height:30px;width:auto;filter:brightness(0) invert(1)}.footer-logo strong{font-size:22px;color:#fff}.footer-en{font-size:12px;letter-spacing:.16em}.footer-brand p:last-child{font-size:13px;color:#AFC4E8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-links div{display:grid;align-content:start;gap:6px}.footer-links h2{font-size:14px;color:#fff;margin-bottom:6px}.footer-links a{font-size:13px;color:#BFD0EC}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:32px;padding-top:18px;border-top:1px solid rgba(214,228,255,.14);font-size:12px;color:#AFC4E8}
.overlay{position:fixed;inset:0;z-index:150;background:rgba(11,18,32,.48);opacity:0;pointer-events:none;transition:opacity .2s ease}.overlay.is-active{opacity:1;pointer-events:auto}.mosaic-menu{position:fixed;z-index:170;left:0;right:0;top:0;height:100dvh;overflow:auto;background:#F3F6F9;transform:translateY(-24px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility .2s}.mosaic-menu.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.mosaic-head{height:84px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:rgba(243,246,249,.96);backdrop-filter:blur(10px);z-index:2}.mosaic-brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:900}.mosaic-brand img{max-height:30px;width:auto}.close-action{min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--blue);font-weight:800;cursor:pointer}.mosaic-grid{padding-bottom:46px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mosaic-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.mosaic-group h2{font-size:15px;color:var(--soft);margin-bottom:10px}.mosaic-group a{display:grid;gap:3px;padding:13px 0;border-bottom:1px solid var(--line)}.mosaic-group a:last-child{border-bottom:0}.mosaic-group strong{font-size:15px;color:var(--ink)}.mosaic-group span{font-size:12px;color:var(--muted)}.mosaic-group a:hover strong{color:var(--blue)}
.search-layer{position:fixed;z-index:180;top:92px;left:0;right:0;display:flex;justify-content:center;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);transition:opacity .18s,transform .18s,visibility .18s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.search-card{width:min(860px,calc(100% - 40px));background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(11,18,32,.22);padding:24px}.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.search-head h2{font-size:22px;margin-top:5px}.search-faux{margin-top:20px;min-height:54px;border:1px solid rgba(37,99,235,.24);background:var(--bg);border-radius:14px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;color:var(--soft)}.search-faux kbd{font:inherit;font-size:12px;color:var(--blue);background:#fff;border:1px solid var(--line);padding:4px 8px;border-radius:8px}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.search-presets a{display:inline-flex;min-height:38px;align-items:center;padding:0 13px;border-radius:999px;background:var(--surface-2);color:var(--blue);font-size:13px;font-weight:700}.mobile-nav{display:none}
@media (max-width:900px){
  .topic-list{grid-template-columns:repeat(2,1fr)}.numbered-grid,.quad-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.cards-3,.career-grid,.step-list{grid-template-columns:repeat(2,1fr)}.cards-4{grid-template-columns:repeat(2,1fr)}.two-col,.service-split,.phone-layout,.wide-feature,.wide-feature.reverse{grid-template-columns:1fr}.phone-layout .media-box{position:static}.footer-grid{grid-template-columns:1fr}.page-intro-inner{grid-template-columns:1fr}.anchor-links{justify-content:flex-start}.mosaic-grid{grid-template-columns:repeat(2,1fr)}.type-index{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  :root{--header-h:92px}.shell{width:calc(100% - 32px)}.tab-bar{display:none}.command-inner{grid-template-columns:48px minmax(0,1fr) auto;gap:8px}.brand-mark{min-width:0}.brand-mark img{max-width:132px}.app-link{padding:0 13px;font-size:13px}.site-main{padding-top:calc(var(--header-h) + 26px);padding-bottom:calc(var(--mobile-nav-h) + 18px + env(safe-area-inset-bottom))}.page-section{padding:32px 0}.page-intro{padding-top:18px}.hero-card{padding:22px}.hero-media .media-placeholder{min-height:210px}.topic-list,.numbered-grid,.feature-grid,.quad-grid,.cards-2,.cards-3,.cards-4,.career-grid,.step-list,.discover-grid,.contact-grid,.type-index{grid-template-columns:1fr}.wide-feature{padding:18px}.file-row{grid-template-columns:40px 1fr}.file-row>a{grid-column:2}.meter-row{grid-template-columns:72px 1fr}.meter-num{font-size:42px}.index-row{grid-template-columns:46px 1fr}.index-row .meta{grid-column:2}.episode-row{grid-template-columns:1fr}.service-media{grid-template-rows:auto}.footer-links{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:14px}.mosaic-group a{padding:11px 0}.search-layer{top:0;bottom:0;background:#F3F6F9;display:block;overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;box-shadow:none;padding:22px 16px 90px;background:#F3F6F9}.search-faux{background:#fff}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:130;left:0;right:0;bottom:0;height:calc(var(--mobile-nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(11,18,32,.06)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--soft);font-size:12px;font-weight:700}.mobile-nav a.is-active{color:var(--blue)}.mosaic-menu{z-index:200}.overlay{z-index:190}.search-layer{z-index:210}
}
@media (max-width:430px){.mosaic-group span{font-size:11px}.mosaic-group strong{font-size:14px}.mosaic-grid{gap:8px}.mosaic-group{padding:12px}.footer-links{gap:22px 10px}.footer-links a{font-size:12px}.hero-actions .button{width:100%}.shell{width:calc(100% - 32px)}}