:root{
  --bg:#F1F6FE;--surface:#FFFFFF;--soft:#F5F8FE;--brand:#4A9FF2;--brand2:#3F94EC;
  --text:#66769F;--muted:#8794B5;--light:#B8C3DC;--border:#E4EAF5;
  --shadow:0 10px 28px rgba(65,115,180,.10);--radius:14px;--header-h:72px;
}
*{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","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
html.menu-open,body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.section{padding:72px 0}.section-sm{padding:52px 0}.section-white{background:#fff}.section-soft{background:#F5F8FE}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.04em}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--brand);border-radius:999px}
h1,h2,h3{margin:0;color:#4C5D86;line-height:1.3}h1{font-size:clamp(32px,4vw,52px)}h2{font-size:clamp(26px,3vw,38px)}h3{font-size:20px}
p{margin:0 0 16px}.lead{font-size:18px;color:#7180A7;max-width:840px}.muted{color:var(--muted)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:10px;background:linear-gradient(135deg,#67B3F8,#4A9FF2);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(74,159,242,.22);transition:.2s ease;white-space:nowrap}
.main-btn:hover,.main-btn:focus-visible{background:linear-gradient(135deg,#58AAF4,#3F94EC);transform:translateY(-1px);outline:none}
.text-link{color:var(--brand);font-weight:700}.text-link:hover,.text-link:focus-visible{color:var(--brand2);text-decoration:underline}
.site-header{position:sticky;top:0;z-index:9999;height:var(--header-h);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,234,245,.9)}
.header-inner{height:100%;display:flex;align-items:center;gap:28px;white-space:nowrap}
.brand-link{display:flex;align-items:center;flex:0 0 auto}.brand-link img{width:auto;height:42px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.desktop-nav>a,.more-toggle{position:relative;display:flex;align-items:center;min-height:42px;padding:0 13px;border:0;background:transparent;color:#66769F;font-weight:650;border-radius:8px}
.desktop-nav>a:hover,.desktop-nav>a:focus-visible,.more-toggle:hover,.more-toggle:focus-visible{color:var(--brand2);background:#F4F8FE;outline:none}
.desktop-nav>a.active,.more-toggle.active{color:var(--brand)}
.desktop-nav>a.active:after,.more-toggle.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--brand);border-radius:999px}
.more-wrap{position:relative}.more-menu{position:absolute;right:0;top:calc(100% + 10px);width:360px;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:12px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px);transition:.18s ease;z-index:10050}
.more-wrap.open .more-menu,.more-wrap:hover .more-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.more-menu a{display:flex;align-items:center;min-height:42px;padding:8px 10px;border-radius:9px;color:#66769F;font-size:14px}.more-menu a:hover,.more-menu a:focus-visible{background:#F4F8FE;color:var(--brand2);outline:none}.more-menu a.active{background:#EEF6FF;color:var(--brand)}
.header-cta{margin-left:2px;flex:0 0 auto}.mobile-menu-btn{display:none;border:0;background:transparent;width:42px;height:42px;border-radius:9px;color:#5D6E97;font-size:24px;align-items:center;justify-content:center}.mobile-menu-btn:hover,.mobile-menu-btn:focus-visible{background:#F4F8FE;outline:none}
.mobile-center-logo{display:none;position:absolute;left:50%;transform:translateX(-50%)}.mobile-center-logo img{height:38px;width:auto;object-fit:contain}
.drawer-mask{position:fixed;inset:0;background:rgba(50,70,105,.24);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease;z-index:12000}
.drawer-mask.show{opacity:1;visibility:visible;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;left:0;width:82vw;max-width:320px;height:100dvh;background:#fff;transform:translateX(-102%);transition:transform .24s ease;z-index:12100;box-shadow:18px 0 40px rgba(65,115,180,.14);overflow-y:auto;overscroll-behavior:contain}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.drawer-head img{height:38px;width:auto}.drawer-close{width:42px;height:42px;border:0;background:#F4F8FE;border-radius:10px;color:#66769F;font-size:24px}
.drawer-nav{padding:12px}.drawer-nav a{display:flex;align-items:center;min-height:46px;padding:0 13px;border-radius:10px;color:#66769F;font-weight:600}.drawer-nav a:hover,.drawer-nav a:focus-visible,.drawer-nav a.active{background:#EEF6FF;color:var(--brand);outline:none}
.mobile-bottom-nav{display:none}
.floating-service{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:5000;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.floating-service a,.floating-service button{width:56px;min-height:48px;border:0;border-bottom:1px solid var(--border);background:#fff;color:#6E7DA3;font-size:13px;display:flex;align-items:center;justify-content:center}.floating-service *:last-child{border-bottom:0}.floating-service a:hover,.floating-service button:hover,.floating-service a:focus-visible,.floating-service button:focus-visible{background:#F3F8FE;color:var(--brand);outline:none}
.carousel{position:relative;width:100%;overflow:hidden;background:#EAF3FD;touch-action:pan-y pinch-zoom}.carousel-track{display:flex;width:100%;transition:transform .45s ease}.carousel-slide{flex:0 0 100%;width:100%}.carousel-slide img{width:100%;height:auto;object-fit:contain;object-position:center}
.carousel-control{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.84);color:#4D6591;box-shadow:0 6px 20px rgba(57,94,145,.14);z-index:4}.carousel-control:hover,.carousel-control:focus-visible{background:#fff;color:var(--brand);outline:none}.carousel-prev{left:18px}.carousel-next{right:18px}.carousel-dots{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:8px;z-index:4}.carousel-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 0 0 1px rgba(72,112,163,.16);padding:0}.carousel-dot.active{background:var(--brand);transform:scale(1.15)}
.intro-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:46px;align-items:center}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}.tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:#EEF6FF;color:#5E7EA5;font-size:14px;border:1px solid #DDEBFA}.intro-panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.intro-panel strong{display:block;font-size:28px;color:#4D638D;margin-bottom:10px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.quick-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;min-height:142px;transition:.2s ease}.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.quick-card p{font-size:14px;color:var(--muted);margin:8px 0 12px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.content-image{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.content-image img{width:100%;height:auto;max-height:420px;object-fit:contain;border-radius:10px}.bullet-list{display:grid;gap:10px;margin:20px 0;padding:0;list-style:none}.bullet-list li{position:relative;padding-left:24px}.bullet-list li:before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.feature-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:0 6px 18px rgba(65,115,180,.06)}.feature-card p{font-size:15px;color:var(--muted);margin:10px 0 0}
.editorial-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.editorial-main,.editorial-side{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}.editorial-side{display:grid;gap:18px}.mini-row{padding-bottom:16px;border-bottom:1px solid var(--border)}.mini-row:last-child{padding-bottom:0;border-bottom:0}
.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.media-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden}.media-card img{width:100%;height:auto;max-height:320px;object-fit:contain;background:#F9FBFF}.media-card-body{padding:22px}
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(65,115,180,.06)}.info-strip>div{padding:20px;border-right:1px solid var(--border)}.info-strip>div:last-child{border-right:0}.info-strip strong{display:block;color:#50648D;margin-bottom:4px}.info-strip span{font-size:14px;color:var(--muted)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.review{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px}.review:before{content:"“";font-size:38px;line-height:1;color:#A9CFF7}.review p{margin:8px 0 0}
.faq-list{display:grid;gap:12px;margin-top:28px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.faq-q{width:100%;border:0;background:#fff;color:#52658D;text-align:left;padding:18px 48px 18px 18px;font-weight:700;position:relative}.faq-q:after{content:"＋";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--brand);font-size:22px}.faq-item.open .faq-q:after{content:"－"}.faq-a{display:none;padding:0 18px 18px;color:#7886A9}.faq-item.open .faq-a{display:block}
.page-hero{padding:62px 0 38px;background:linear-gradient(180deg,#F7FAFF 0%,#F1F6FE 100%);border-bottom:1px solid var(--border)}.page-hero .lead{margin-top:16px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--brand)}
.content-list{display:grid;gap:14px}.content-list .item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.content-list .item h3{margin-bottom:6px}
.steps{counter-reset:step;display:grid;gap:16px}.step{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.step:before{counter-increment:step;content:counter(step);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#EEF6FF;color:var(--brand);font-weight:800}
.notice{padding:20px 22px;border-left:4px solid var(--brand);background:#EDF6FF;border-radius:10px;color:#687A9F}.notice strong{color:#50648D}
.timeline{position:relative;display:grid;gap:18px;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#DDEAF8}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-26px;top:8px;width:10px;height:10px;background:var(--brand);border-radius:50%;box-shadow:0 0 0 4px #EAF4FE}.timeline-item h3{font-size:18px;margin-bottom:6px}
.site-footer{background:#EAF3FD;border-top:1px solid #DDE9F7;padding:50px 0 28px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:38px}.footer-brand img{height:42px;width:auto;object-fit:contain;margin-bottom:16px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.footer-links a:hover,.footer-links a:focus-visible{color:var(--brand);outline:none}.footer-title{font-weight:800;color:#52658D;margin-bottom:14px}.footer-note{margin-top:30px;padding-top:20px;border-top:1px solid #D6E4F4;font-size:13px;color:#7E8CAF}
@media (max-width:1023px){.container{width:min(100% - 32px,960px)}.header-inner{gap:16px}.desktop-nav{gap:1px}.desktop-nav>a,.more-toggle{padding:0 9px;font-size:14px}.more-menu{width:min(360px,calc(100vw - 48px));grid-template-columns:repeat(3,1fr)}.floating-service{display:none}.feature-grid{grid-template-columns:repeat(2,1fr)}.quick-grid{grid-template-columns:repeat(4,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){:root{--header-h:64px}.container{width:min(100% - 28px,720px)}body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.section{padding:52px 0}.section-sm{padding:40px 0}.site-header{height:64px}.header-inner{position:relative;justify-content:space-between;gap:8px}.brand-link.desktop-brand,.desktop-nav{display:none}.mobile-menu-btn,.mobile-center-logo{display:flex}.header-cta .main-btn{min-height:40px;padding:0 15px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);z-index:11000;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:#7D8BAB;font-size:13px;font-weight:650}.mobile-bottom-nav a.active{color:var(--brand);background:#F7FBFF}.carousel-control{width:38px;height:38px}.carousel-prev{left:10px}.carousel-next{right:10px}.carousel-dots{bottom:10px}.intro-wrap,.split,.editorial-grid,.pair-grid,.footer-grid{grid-template-columns:1fr;gap:24px}.quick-grid{grid-template-columns:repeat(2,1fr);gap:12px}.feature-grid,.review-grid{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr 1fr}.info-strip>div:nth-child(2){border-right:0}.info-strip>div:nth-child(-n+2){border-bottom:1px solid var(--border)}.page-hero{padding:44px 0 28px}.content-image img,.media-card img{max-height:none}.footer-links{grid-template-columns:1fr 1fr}.drawer-mask,.mobile-drawer{will-change:opacity,transform}}
@media (max-width:420px){.container{width:calc(100% - 24px)}.quick-grid{grid-template-columns:1fr 1fr}.quick-card{padding:15px;min-height:132px}.main-btn{padding:0 17px}.mobile-center-logo img{height:34px}.carousel-control{width:34px;height:34px}.info-strip{grid-template-columns:1fr}.info-strip>div{border-right:0!important;border-bottom:1px solid var(--border)!important}.info-strip>div:last-child{border-bottom:0!important}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}