:root{--bg:#F1F6FE;--surface:#fff;--soft:#F5F8FE;--blue:#4A9FF2;--blue2:#3F94EC;--text:#66769F;--muted:#8794B5;--border:#E4EAF5;--shadow:0 10px 28px rgba(65,115,180,.10);--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}.container{width:min(1180px,calc(100% - 40px));margin:auto}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-inner{height:72px;width:min(1220px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:28px}.brand{flex:0 0 auto}.brand img{height:38px;width:auto}.desktop-nav{display:flex;align-items:center;gap:24px;white-space:nowrap;flex:1;justify-content:center}.desktop-nav>a,.more-btn{position:relative;color:#53668f;font-weight:600;background:none;border:0;padding:24px 0;cursor:pointer}.desktop-nav>a:after{content:"";position:absolute;left:50%;right:50%;bottom:13px;height:2px;background:var(--blue);transition:.2s}.desktop-nav>a:hover,.desktop-nav>a.active,.more-btn:hover{color:var(--blue2)}.desktop-nav>a.active:after,.desktop-nav>a:hover:after{left:0;right:0}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:10px;background:linear-gradient(135deg,#62b4ff,#4A9FF2);color:#fff;font-weight:700;box-shadow:0 8px 20px rgba(74,159,242,.22)}.more-wrap{position:relative}.more-menu{position:absolute;top:64px;left:50%;transform:translateX(-50%) translateY(8px);width:360px;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:14px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s;z-index:10020}.more-menu.show{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.more-menu a{padding:10px;border-radius:8px;color:var(--text);font-size:14px}.more-menu a:hover{background:#eef6ff;color:var(--blue2)}
.mobile-menu-btn{display:none;border:0;background:#eef6ff;color:var(--blue2);width:42px;height:42px;border-radius:10px}.drawer-mask{position:fixed;inset:0;background:rgba(28,51,82,.35);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;z-index:10020}.drawer-mask.show{opacity:1;visibility:visible;pointer-events:auto}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82%;max-width:320px;background:#fff;transform:translateX(-105%);transition:transform .25s ease;z-index:10030;box-shadow:14px 0 35px rgba(31,74,128,.18);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--border)}.drawer-head img{height:34px;width:auto}.drawer-close{width:42px;height:42px;border:0;background:#f1f6fe;border-radius:10px;color:var(--blue);font-size:28px}.drawer-links{display:grid;padding:12px}.drawer-links a{padding:12px 10px;border-bottom:1px solid #eff3fa}.menu-open{overflow:hidden!important}
.hero-carousel{width:100%;background:#eaf3fd;position:relative;overflow:hidden;touch-action:pan-y pinch-zoom}.slides{position:relative;width:100%}.slide{display:none;width:100%}.slide.active{display:block}.slide img{width:100%;height:auto;object-fit:contain;object-position:center}.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(255,255,255,.82);color:#41648f;cursor:pointer;z-index:3}.carousel-btn.prev{left:18px}.carousel-btn.next{right:18px}.dots{position:absolute;left:0;right:0;bottom:15px;display:flex;justify-content:center;gap:8px}.dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.65);padding:0}.dot.active{background:var(--blue)}
.section{padding:72px 0}.section.soft{background:var(--soft)}.eyebrow{color:var(--blue);font-weight:700;font-size:14px;letter-spacing:.06em}.section h1,.section h2,.page-hero h1{color:#3f527d;line-height:1.25;margin:.2em 0 .55em}.section h1{font-size:42px}.section h2{font-size:30px}.lead{font-size:18px;max-width:880px}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.tag{padding:6px 12px;border-radius:999px;background:#eaf4ff;color:#4a82bd;font-size:13px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.quick-item,.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.quick-item{padding:18px}.quick-item h3{margin:0 0 6px;color:#48618c}.text-link{color:var(--blue2);font-weight:700}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.content-image{background:#fff;border:1px solid var(--border);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.content-image img{width:100%;height:auto;object-fit:contain}.feature-list{display:grid;gap:10px;margin:20px 0}.feature-list span{display:block;padding:10px 13px;background:#fff;border-left:3px solid var(--blue);border-radius:0 8px 8px 0}.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}.card{padding:22px}.card img{width:100%;height:auto;object-fit:contain;border-radius:10px;margin-bottom:18px}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden}.info-strip div{background:#fff;padding:20px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.faq-q{width:100%;text-align:left;border:0;background:#fff;padding:16px 18px;color:#48618c;font-weight:700;cursor:pointer}.faq-a{display:none;padding:0 18px 18px}.faq-item.open .faq-a{display:block}.page-hero{padding:64px 0 38px;background:linear-gradient(180deg,#f7fbff,#f1f6fe)}.page-hero h1{font-size:40px}.page-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.notice{padding:18px 20px;background:#edf6ff;border:1px solid #d8eafa;border-radius:12px}.site-footer{background:#fff;border-top:1px solid var(--border);padding:48px 0 90px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px}.footer-brand img{height:38px;width:auto;margin-bottom:14px}.site-footer h3{color:#4f638a}.site-footer a{display:block;margin:6px 0}.floating-service{position:fixed;right:18px;top:42%;z-index:5000;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;display:grid}.floating-service a,.floating-service button{border:0;border-bottom:1px solid var(--border);background:#fff;padding:10px 12px;color:#5c719c;cursor:pointer}.mobile-bottom-nav{display:none}
@media(max-width:1023px){.desktop-nav{gap:16px}.more-menu{width:320px;grid-template-columns:repeat(3,1fr)}.floating-service{display:none}.quick-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.header-inner{height:64px;width:calc(100% - 20px);gap:10px;justify-content:space-between}.desktop-nav{display:none}.mobile-menu-btn{display:block;flex:0 0 auto}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:32px}.header-cta{min-height:40px;padding:0 16px}.section{padding:48px 0}.container{width:min(100% - 28px,1180px)}.section h1{font-size:32px}.section h2,.page-hero h1{font-size:28px}.lead{font-size:16px}.quick-grid{display:flex;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:4px}.quick-item{min-width:230px;scroll-snap-align:start}.split,.split.reverse,.duo,.page-layout{grid-template-columns:1fr}.review-grid,.article-grid{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.carousel-btn{width:40px;height:40px}.carousel-btn.prev{left:8px}.carousel-btn.next{right:8px}.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);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);z-index:10010}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:#60749b;font-weight:700}.mobile-bottom-nav a:hover{color:var(--blue)}.site-footer{padding-bottom:30px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}