:root{--bg:#fff;--bg-soft:#f7faff;--bg-blue:#edf5ff;--bg-gray:#f5f6f8;--title:#172033;--text:#3e4859;--muted:#6f7a89;--light:#98a1af;--blue:#1478f2;--blue2:#2f8cff;--blue3:#075dc9;--blue4:#084a9c;--blue-soft:#d9eafe;--line:rgba(20,120,242,.12);--gray-line:rgba(30,50,70,.08);--shadow:0 14px 38px rgba(21,67,118,.08);--blue-shadow:0 16px 42px rgba(20,120,242,.15);--radius:18px;--max:1280px;--nav-h:74px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{color:var(--title);line-height:1.25}h1{font-size:clamp(2rem,4vw,4rem);letter-spacing:-.04em}h2{font-size:clamp(1.55rem,2.8vw,2.45rem);letter-spacing:-.025em}h3{font-size:1.05rem}.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:#fff;color:var(--blue);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:1000;height:var(--nav-h);background:rgba(255,255,255,.96);border-bottom:1px solid var(--gray-line);backdrop-filter:saturate(120%) blur(12px)}.nav-shell{height:100%;max-width:var(--max);margin:0 auto;padding:0 22px;display:flex;align-items:center}.desktop-nav{gap:18px}.brand{display:flex;align-items:center;min-width:245px;gap:10px}.brand-logo{max-width:132px;max-height:42px;width:auto}.brand-text{font-size:1.32rem;font-weight:800;color:var(--blue);letter-spacing:-.03em}.brand-tag{font-size:.72rem;color:var(--blue3);background:var(--bg-blue);border:1px solid var(--line);padding:4px 8px;border-radius:999px;white-space:nowrap}.main-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0}.main-nav a,.nav-link-button,.icon-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:0 12px;white-space:nowrap;font-size:.93rem}.main-nav a{color:#4c586b;position:relative}.main-nav a:hover,.main-nav a.is-active,.nav-link-button:hover,.nav-link-button.is-active{color:var(--blue);background:var(--bg-blue)}.main-nav a.is-active:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:9px;background:var(--blue)}.nav-actions{display:flex;align-items:center;gap:4px}.icon-button{border:0;background:transparent;cursor:pointer}.icon-button:hover,.icon-button:focus-visible{background:var(--bg-blue);color:var(--blue)}.mobile-nav{display:none;justify-content:space-between;padding:0 15px}.mobile-brand{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;max-width:44vw}.mobile-brand .brand-logo{max-width:120px;max-height:38px}.mobile-brand .brand-text{white-space:nowrap}.overlay{position:fixed;inset:var(--nav-h) 0 0;z-index:1090;background:rgba(8,34,66,.3);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mega-menu,.search-panel{position:fixed;left:0;right:0;top:var(--nav-h);z-index:1100;background:#fff;box-shadow:0 28px 60px rgba(8,43,84,.16);max-height:calc(100vh - var(--nav-h));overflow:auto;transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:transform .22s ease,opacity .22s ease,visibility .22s ease}.mega-menu.is-open,.search-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.mega-menu-inner,.search-inner{max-width:var(--max);margin:0 auto;padding:30px 24px 38px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.panel-head h2{margin:4px 0 0}.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.panel-close{min-width:56px;min-height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer}.panel-close:hover{color:var(--blue);background:var(--bg-blue)}.menu-brand{margin:-2px 0 22px}.menu-brand img{max-width:132px;max-height:44px}.menu-brand.text{font-size:1.2rem;font-weight:800;color:var(--blue)}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.mega-grid>div{min-width:0}.mega-grid h3{margin-bottom:10px;color:var(--blue4)}.mega-grid a{display:block;padding:11px 10px;border-radius:12px}.mega-grid a:hover{background:var(--bg-soft)}.mega-grid b{display:block;color:var(--title);font-size:.95rem}.mega-grid span{display:block;color:var(--muted);font-size:.8rem;line-height:1.55;margin-top:3px}.search-field{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;border:1px solid var(--line);background:var(--bg-soft);border-radius:16px;padding:8px 16px;margin-bottom:24px}.search-field span{font-size:.82rem;color:var(--muted)}.search-field input{min-width:0;border:0;outline:0;background:transparent;color:var(--title);font-size:1.05rem;padding:8px}.search-columns{display:grid;grid-template-columns:1fr 1.35fr .7fr;gap:24px}.search-columns h3{margin-bottom:10px}.search-chip-row{display:flex;flex-wrap:wrap;gap:8px}.search-chip-row button{border:1px solid var(--line);background:var(--bg-blue);color:var(--blue4);border-radius:999px;padding:8px 12px;cursor:pointer}.search-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.search-list a{padding:10px 12px;border:1px solid var(--gray-line);border-radius:12px;color:var(--title)}.search-list a:hover{border-color:var(--line);background:var(--bg-soft)}.search-list a span{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}.plain-links{display:flex;flex-direction:column;gap:8px}.plain-links a{padding:10px 0;border-bottom:1px solid var(--gray-line);color:var(--muted)}.plain-links a:hover{color:var(--blue)}.search-empty{padding:12px 14px;background:var(--bg-blue);border-radius:12px;color:var(--muted);margin:18px 0 0}.mobile-bottom-nav{display:none}.site-footer{background:#0b1f38;color:#eaf3ff;margin-top:88px}.footer-shell{max-width:var(--max);margin:0 auto;padding:58px 24px 34px}.footer-brand-block{max-width:680px}.footer-brand{display:inline-flex;align-items:center;margin-bottom:6px}.footer-logo{max-width:144px;max-height:46px}.footer-brand strong{font-size:1.45rem;color:#fff}.footer-en{font-size:.76rem;letter-spacing:.18em;color:#9ac5f6;margin-bottom:14px}.footer-brand-block p{color:#b8cce2;max-width:700px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:38px 0 30px;padding-top:28px;border-top:1px solid rgba(255,255,255,.09)}.footer-links h2{color:#fff;font-size:.92rem;margin-bottom:12px}.footer-links a{display:block;color:#b8cce2;font-size:.88rem;padding:4px 0}.footer-links a:hover{color:#fff}.footer-note{padding:18px 20px;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.04);border-radius:14px;color:#b8cce2;font-size:.88rem}.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#8fa9c3;font-size:.82rem;margin-top:24px}.footer-bottom a:hover{color:#fff}
.section{padding:72px 24px}.section.soft{background:var(--bg-soft)}.section.blue{background:var(--bg-blue)}.section.gray{background:var(--bg-gray)}.shell{max-width:var(--max);margin:0 auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:30px}.section-head>div{max-width:760px}.section-head h2{margin:6px 0 10px}.section-head p{margin:0;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700}.text-link:after{content:"→"}.text-link:hover{color:var(--blue3)}.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;background:linear-gradient(135deg,#3a96ff 0%,#1478f2 55%,#0863d3 100%);color:#fff;font-weight:800;box-shadow:var(--blue-shadow)}.primary-button:hover{transform:translateY(-1px);box-shadow:0 18px 45px rgba(20,120,242,.2)}.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border:1px solid var(--line);border-radius:13px;color:var(--blue);background:#fff;font-weight:700}.primary-button:focus-visible,.secondary-button:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.26);outline-offset:3px}.chip{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--bg-blue);color:var(--blue4);font-size:.76rem;border:1px solid var(--line)}.card{background:#fff;border:1px solid var(--gray-line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:24px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.prose{max-width:850px}.prose p{color:var(--text)}.prose p:last-child{margin-bottom:0}.small-note{font-size:.86rem;color:var(--muted)}
.page-intro{padding:64px 24px 38px;background:linear-gradient(180deg,var(--bg-soft),#fff)}.page-intro .shell{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:42px;align-items:end}.page-intro h1{margin:7px 0 16px}.page-intro p{font-size:1.03rem;color:var(--muted);max-width:800px}.intro-aside{padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.82)}.intro-aside strong{display:block;color:var(--title);margin-bottom:6px}.intro-aside a{color:var(--blue);font-weight:700}.content-index{display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:0;list-style:none}.content-index a{display:inline-flex;padding:8px 11px;border-radius:999px;border:1px solid var(--line);color:var(--blue4);background:#fff;font-size:.84rem}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.article-item{padding:24px;border-radius:18px;border:1px solid var(--gray-line);background:#fff}.article-item h2,.article-item h3{margin-bottom:10px}.article-item p{margin-bottom:14px;color:var(--text)}.article-item .meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.article-item.wide{grid-column:1/-1}.numbered-list{display:grid;gap:14px}.numbered-list article{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:20px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}.numbered-list .num{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:13px;background:var(--bg-blue);color:var(--blue);font-weight:900}.numbered-list h3{margin:0 0 6px}.numbered-list p{margin:0}.quote-band{padding:32px;border-radius:22px;background:linear-gradient(135deg,#edf5ff,#f9fbff);border:1px solid var(--line)}.quote-band p{font-size:1.08rem;color:var(--title);margin:0}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--gray-line);border-radius:15px;background:#fff;padding:0 18px}.faq-list summary{cursor:pointer;padding:18px 34px 18px 0;color:var(--title);font-weight:800;position:relative;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"＋";position:absolute;right:0;top:16px;color:var(--blue);font-size:1.15rem}.faq-list details[open] summary:after{content:"－"}.faq-list details p{padding:0 0 18px;margin:0;color:var(--text)}
.home-hero{padding:34px 24px 28px;background:linear-gradient(180deg,var(--bg-soft),#fff)}.editor-hero{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:.9fr 1.35fr .8fr;gap:18px;align-items:stretch}.hero-left,.hero-center,.hero-right{border:1px solid var(--gray-line);border-radius:22px;background:#fff;overflow:hidden}.hero-left{padding:28px;display:flex;flex-direction:column;justify-content:space-between}.hero-left h1{font-size:clamp(2.1rem,3.4vw,3.7rem);margin:8px 0 16px}.hero-left p{color:var(--muted)}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:18px}.hero-center{min-height:460px;position:relative;background:linear-gradient(145deg,#0d69d7,#2f8cff 62%,#8ec5ff);color:#fff;display:flex;align-items:flex-end;padding:30px}.hero-center img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#eaf4ff}.hero-center:before{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.16);right:-40px;top:-30px;pointer-events:none}.hero-center:after{content:"";position:absolute;width:190px;height:190px;border-radius:40px;transform:rotate(18deg);background:rgba(255,255,255,.08);left:-50px;bottom:-70px;pointer-events:none}.hero-brand-fallback{position:relative;z-index:1}.hero-brand-fallback span{display:block;font-size:.78rem;letter-spacing:.18em;opacity:.85}.hero-brand-fallback strong{display:block;font-size:clamp(2.4rem,6vw,5rem);line-height:1.05;margin-top:8px;letter-spacing:-.06em}.hero-brand-fallback p{max-width:420px;margin:16px 0 0;color:rgba(255,255,255,.88)}.hero-right{padding:18px;display:grid;gap:10px}.hero-entry{display:block;padding:17px;border-radius:15px;background:var(--bg-soft);border:1px solid transparent}.hero-entry:hover{border-color:var(--line);background:var(--bg-blue)}.hero-entry b{display:block;color:var(--title);margin-bottom:5px}.hero-entry span{display:block;font-size:.82rem;color:var(--muted);line-height:1.55}.channel-strip{max-width:var(--max);margin:0 auto;padding:0 24px 24px;display:flex;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin}.channel-strip a{flex:0 0 auto;padding:8px 10px;color:var(--muted);font-size:.86rem;white-space:nowrap}.channel-strip a:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue-soft);margin-right:8px}.channel-strip a:hover,.channel-strip a.is-active{color:var(--blue)}.overview-grid{display:grid;grid-template-columns:1.2fr .9fr 1.15fr .75fr;gap:14px}.overview-grid article{min-height:210px;padding:24px;border-radius:20px;border:1px solid var(--gray-line);background:#fff}.overview-grid article:nth-child(2),.overview-grid article:nth-child(4){margin-top:28px}.overview-grid h3{font-size:1.2rem}.topic-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.topic-main{padding:30px;background:var(--title);color:#fff;border-radius:22px;box-shadow:var(--shadow)}.topic-main h2{color:#fff}.topic-main p{color:#d9e5f3}.topic-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-links a{padding:18px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}.topic-links b{display:block;color:var(--title);margin-bottom:5px}.topic-links span{font-size:.82rem;color:var(--muted)}.city-map{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.city-map article{padding:22px;border:1px solid var(--gray-line);border-radius:18px;background:#fff;min-height:170px}.city-map article:nth-child(1),.city-map article:nth-child(4){grid-column:span 5}.city-map article:nth-child(2),.city-map article:nth-child(3){grid-column:span 7}.city-map article:nth-child(5){grid-column:span 4}.city-map article:nth-child(6){grid-column:span 8}.life-masonry{columns:3 260px;column-gap:18px}.life-masonry article{break-inside:avoid;margin:0 0 18px;padding:22px;border-radius:18px;border:1px solid var(--gray-line);background:#fff}.route-list{display:grid;gap:14px}.route-item{display:grid;grid-template-columns:130px 1fr auto;gap:18px;align-items:start;padding:22px;border:1px solid var(--gray-line);border-radius:18px;background:#fff}.route-step{font-weight:900;color:var(--blue);letter-spacing:.03em}.interest-cloud{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}.interest-cloud article{flex:1 1 240px;min-width:220px;padding:20px;border:1px solid var(--gray-line);border-radius:18px;background:#fff}.interest-cloud article:nth-child(3n){flex-basis:330px}.qa-index{display:grid;grid-template-columns:1fr 1fr;gap:14px}.qa-index article{padding:22px;border-left:4px solid var(--blue);background:#fff;border-radius:0 16px 16px 0;box-shadow:var(--shadow)}.story-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.story-main{padding:30px;border-radius:22px;background:var(--bg-blue);border:1px solid var(--line)}.story-list{display:grid;gap:12px}.story-list article{padding:18px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}.discover-wall{columns:3 280px;column-gap:18px}.discover-wall article{break-inside:avoid;padding:22px;margin:0 0 18px;border:1px solid var(--gray-line);border-radius:18px;background:#fff}.discover-wall article:nth-child(4n+1){padding-bottom:34px}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.principle-grid article{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--gray-line)}.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}.app-visual{min-height:460px;border-radius:28px;background:linear-gradient(160deg,#eaf4ff,#f8fbff);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;padding:30px;position:relative;overflow:hidden}.app-visual img{max-height:420px;width:auto;object-fit:contain}.phone-fallback{width:230px;height:430px;border:9px solid #172033;border-radius:38px;background:#fff;box-shadow:var(--blue-shadow);padding:16px}.phone-fallback .phone-bar{width:84px;height:7px;border-radius:999px;background:#d8dee7;margin:2px auto 18px}.phone-fallback .phone-card{height:84px;border-radius:16px;background:var(--bg-blue);margin-bottom:12px}.phone-fallback .phone-lines{height:12px;background:#e6ecf4;border-radius:8px;margin:12px 4px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.service-grid div{padding:16px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--gray-line)}.safety-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.safety-panel{padding:30px;border-radius:22px;border:1px solid var(--gray-line);background:#fff}.safety-panel:nth-child(2){margin-top:46px;background:var(--bg-blue);border-color:var(--line)}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.brand-declaration{padding:48px;border-radius:26px;background:linear-gradient(135deg,#0b61c9,#1b82f6);color:#fff;position:relative;overflow:hidden}.brand-declaration:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-140px;top:-170px;pointer-events:none}.brand-declaration h2{color:#fff;max-width:760px}.brand-declaration p{color:#e8f3ff;max-width:920px;position:relative}.brand-declaration .text-link{color:#fff}.timeline{position:relative;display:grid;gap:0}.timeline:before{content:"";position:absolute;left:22px;top:18px;bottom:18px;width:2px;background:var(--blue-soft)}.timeline article{position:relative;padding:0 0 28px 62px}.timeline article:before{content:"";position:absolute;left:14px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--blue);box-shadow:0 0 0 5px var(--bg-blue)}.timeline h3{margin-bottom:7px}.magazine-lead{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.magazine-lead .lead-story{padding:30px;border-radius:24px;background:var(--bg-blue);border:1px solid var(--line)}.magazine-side{display:grid;gap:14px}.magazine-side article{padding:20px;border-radius:17px;border:1px solid var(--gray-line);background:#fff}.topic-catalog{display:grid;gap:18px}.topic-catalog article{display:grid;grid-template-columns:minmax(220px,.45fr) 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--gray-line)}.topic-catalog h2{font-size:1.55rem;margin:0}.guide-catalog{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.guide-catalog article{padding:26px;border-radius:18px;border:1px solid var(--gray-line);background:#fff}.notice-list{display:grid;gap:12px}.notice-list 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