:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--purple:#7A5CFF;--text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#fff;--dark:#11182F;--border:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px;--container:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.78;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}button,input,textarea{font:inherit}.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{width:min(calc(100% - 32px),1280px);margin:0 auto;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;white-space:nowrap}.site-logo img{width:42px;max-height:44px;object-fit:contain}.site-logo strong{font-size:1.22rem;letter-spacing:.08em}.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:.95rem}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;border:0;border-radius:999px;background:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);color:#fff;text-decoration:none;font-weight:700;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:transform .2s ease,box-shadow .2s 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rgba(7,12,34,.25);overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:20px 22px;background:#11182F;z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800}.drawer-brand img{width:40px;height:40px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:1.8rem;line-height:1;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:20px}.drawer-nav a{padding:12px 14px;background:#F5F7FF;border:1px solid var(--border);border-radius:14px;text-decoration:none;color:var(--title);font-weight:700}.drawer-note{margin:0 20px 24px;padding:18px;border-radius:18px;background:#EFF8FF;border:1px solid var(--border)}.drawer-note p{margin:6px 0 0;color:var(--muted);font-size:.92rem}.hero{position:relative;overflow:hidden;padding:72px 0 54px;background:radial-gradient(circle at 10% 12%,rgba(122,92,255,.18),transparent 32%),radial-gradient(circle at 88% 20%,rgba(0,212,255,.18),transparent 34%),linear-gradient(145deg,#F9F7FF 0%,#EAF7FF 48%,#FFF4FA 100%)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none}.hero:before{width:220px;height:220px;left:-80px;bottom:-90px;background:rgba(255,200,87,.22)}.hero:after{width:180px;height:180px;right:7%;top:8%;background:rgba(217,79,112,.12)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;position:relative;z-index:1}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;color:var(--purple);font-size:.88rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before,.section-kicker:before{content:"";width:26px;height:3px;border-radius:9px;background:linear-gradient(90deg,var(--brand),var(--cyan))}.hero h1{margin:0;color:var(--title);font-size:clamp(3rem,7vw,5.8rem);line-height:1.02;letter-spacing:-.04em}.hero h2{margin:18px 0 16px;color:var(--deep);font-size:clamp(1.35rem,3vw,2.25rem);line-height:1.35}.hero p{margin:0;color:var(--muted);font-size:1.04rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;padding:0;list-style:none}.hero-points li{padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid var(--border);color:var(--deep);font-size:.9rem;font-weight:700}.hero-visual{position:relative;padding:26px;border-radius:36px;background:rgba(255,255,255,.5);border:1px solid 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0}.section.alt{background:linear-gradient(180deg,rgba(234,247,255,.78),rgba(245,247,255,0))}.section.dark{background:#11182F;color:#EEF2FF}.section.dark h2,.section.dark h3{color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}.section-head h2,.section-title{margin:0;color:var(--title);font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2}.section-head p{max-width:650px;margin:0;color:var(--muted)}.pill-nav{display:flex;flex-wrap:wrap;gap:12px}.pill-link{flex:1 1 205px;min-width:0;padding:17px 18px;border-radius:18px;background:#fff;border:1px solid var(--border);text-decoration:none;box-shadow:0 10px 26px rgba(25,43,91,.07)}.pill-link strong{display:block;color:var(--title)}.pill-link span{display:block;margin-top:4px;color:var(--muted);font-size:.85rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:26px}.split.wide-image{grid-template-columns:.92fr 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textarea{min-height:150px;resize:vertical}.mini-note{font-size:.86rem;color:var(--muted)}@media (max-width:1080px){.nav-core{display:none}.mobile-menu-toggle{display:flex;order:-1}.desktop-menu-toggle{display:none}.site-logo{margin-right:auto}.hero-grid,.inner-hero-grid,.about-strip,.split.wide-image{grid-template-columns:1fr}.hero-visual{max-width:720px;margin:auto}.highlight-grid{grid-template-columns:repeat(2,1fr)}.three-grid,.review-grid,.service-grid,.steps,.feedback-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}.content-layout{grid-template-columns:1fr}.side-card{position:static}.float-card.one{left:10px}.float-card.two{right:10px}}@media (max-width:720px){body{padding-bottom:72px}.container{width:min(calc(100% - 28px),var(--container))}.header-inner{width:calc(100% - 20px);min-height:64px;gap:9px}.site-logo strong{display:none}.site-logo img{width:38px}.header-cta{min-height:38px;padding:8px 14px;font-size:.86rem}.menu-toggle{width:40px;height:40px}.hero{padding:44px 0 42px}.hero-grid{gap:32px}.hero h1{font-size:3.2rem}.hero h2{font-size:1.55rem}.hero-visual{padding:14px;border-radius:24px}.float-card{position:static;display:inline-block;margin-top:10px;max-width:none}.highlight-grid,.split,.security-wrap,.three-grid,.review-grid,.service-grid,.steps,.feedback-grid{grid-template-columns:1fr}.highlights{margin-top:0;padding-top:14px}.section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:10px}.pill-link{flex-basis:100%}.notice-band{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-brand{grid-column:1/-1}.footer-grid section:last-child{grid-column:auto}.footer-bottom{display:block;text-align:center}.footer-bottom div{justify-content:center;flex-wrap:wrap;margin-top:10px}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:8px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);padding:7px;border:1px solid rgba(91,108,255,.2);border-radius:20px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 12px 32px rgba(25,43,91,.2)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:1px;color:var(--muted);text-decoration:none;font-size:.72rem}.mobile-bottom-nav span{color:var(--brand);font-size:1.15rem}.inner-hero{padding:42px 0}.inner-hero-grid{gap:26px}.inner-hero h1{font-size:2.55rem}.prose-card{padding:23px}.drawer-nav{grid-template-columns:1fr}.site-drawer{left:0;right:auto;transform:translateX(-105%)}.site-drawer.open{transform:translateX(0)}}@media (max-width:460px){.footer-grid{grid-template-columns:1fr}.footer-grid section:last-child{grid-column:auto}.hero-actions{display:grid}.hero-actions a{width:100%}.header-actions{gap:6px}.site-logo{margin-right:0}.header-inner{justify-content:space-between}.mobile-menu-toggle{order:0}}