:root{--bg:#fff;--bg2:#f5f5f7;--ink:#1d1d1f;--ink2:#6e6e73;--line:rgba(0,0,0,.1);--accent:#0071e3;--accent-ink:#0071e3;--brand:#06c4ff;--brand-deep:#0a84ff;--brand-ink:#0a6c9e;--safe:#0a7d74;--radius:20px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;background:var(--bg);font-family:var(--font);line-height:1.6}.skip-link,body{color:var(--ink)}.skip-link{background:#fff;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.16);font-size:14px;left:12px;padding:8px 14px;position:absolute;top:-48px;z-index:200}.skip-link:focus{text-decoration:none;top:12px}#main:focus{outline:none}img{max-width:100%}img,picture{display:block}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1100px}.wrap,.wrap-narrow{margin:0 auto;padding:0 24px}.wrap-narrow{max-width:820px}.wrap-support{margin:0 auto;max-width:1080px;padding:0 24px}nav{backdrop-filter:saturate(180%) blur(20px);background:hsla(0,0%,100%,.82);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}.nav-inner{height:52px;justify-content:space-between;margin:0 auto;max-width:1100px;padding:0 24px}.brand,.nav-inner{align-items:center;display:flex}.brand{color:var(--ink);font-size:18px;font-weight:700;gap:8px;letter-spacing:-.01em}.brand img{display:block;height:22px;width:auto}.nav-links{align-items:center;display:flex;gap:6px;list-style:none}.nav-links a{border-radius:980px;color:var(--ink);display:block;font-size:14px;padding:8px 12px}.nav-links a:hover{background:var(--bg2);text-decoration:none}.nav-links a.active{background:rgba(6,196,255,.1);color:var(--brand-deep)}.nav-cta{align-items:center;display:flex;gap:14px}.mail-link{color:var(--ink2);font-size:14px}.burger{background:none;border:none;cursor:pointer;display:none;padding:8px}.burger span{background:var(--ink);border-radius:2px;display:block;height:2px;margin:4px 0;width:18px}@media (max-width:820px){.nav-cta .mail-link,.nav-links{display:none}.burger{display:block}.nav-links.open{align-items:stretch;background:#fff;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:2px;left:0;padding:8px 16px 14px;position:absolute;right:0;top:52px}.nav-links.open a{padding:10px 12px}}.hero{overflow:hidden;padding:96px 0 72px;position:relative;text-align:center}.hero-kicker{align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:980px;color:var(--ink2);display:inline-flex;font-size:13px;gap:8px;margin-bottom:24px;padding:6px 14px}.hero-kicker .dot{background:var(--safe);border-radius:50%;height:7px;width:7px}.hero h1{font-size:clamp(40px,7vw,72px);font-weight:700;letter-spacing:-.03em;line-height:1.15;margin:0 0 20px;padding-bottom:.08em}.hero h1 .hl{background:linear-gradient(105deg,var(--brand) 0,var(--brand-deep) 60%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;color:transparent}.hero .lead{color:var(--ink2);font-size:clamp(18px,2.6vw,27px);letter-spacing:.001em;margin:0 auto 36px;max-width:680px}.hero .lead b{color:var(--ink);font-weight:600}.hero-slogan{color:var(--ink2);font-size:14px;letter-spacing:.14em;margin:0 0 24px;text-transform:uppercase}.hero-slogan em{color:var(--brand-ink);font-style:normal;font-weight:600}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.btn{align-items:center;border:1px solid transparent;border-radius:980px;cursor:pointer;display:inline-flex;font-size:15px;font-weight:600;gap:8px;padding:11px 26px;transition:transform .15s ease,box-shadow .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#0077ed;box-shadow:0 4px 16px rgba(0,113,227,.32)}.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}.btn-ghost:hover{background:rgba(0,113,227,.06)}.hero-visual{border:1px solid hsla(0,0%,100%,.4);border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.14),0 0 0 1px rgba(6,196,255,.25),0 0 60px rgba(6,196,255,.16);margin:48px auto 0;max-width:1000px;overflow:hidden}.hero-visual img{display:block;height:auto;width:100%}.section{padding:88px 0}.section-alt{background:var(--bg2)}.section-head{margin:0 auto 56px;max-width:720px;text-align:center}.section-head h1,.section-head h2{font-size:clamp(28px,4.4vw,44px);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin-bottom:14px}.section-head p{color:var(--ink2);font-size:17px}.prod-grid{display:grid;gap:24px;grid-template-columns:1fr}@media (min-width:768px){.prod-grid{grid-template-columns:repeat(2,1fr)}}.bundle-banner{background:var(--bg2);border:1px solid rgba(6,196,255,.35);border-radius:var(--radius);box-shadow:0 0 0 1px rgba(6,196,255,.08),0 18px 50px rgba(6,196,255,.12);margin:28px 0 36px;overflow:hidden}.bundle-banner img{display:block;height:auto;width:100%}.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;scroll-margin-top:96px;transition:transform .2s ease,box-shadow .2s ease}.prod-card:hover{box-shadow:0 18px 44px rgba(0,0,0,.1),0 0 0 1px rgba(6,196,255,.35);transform:translateY(-4px)}.prod-card .media{aspect-ratio:4/3;background:var(--bg2);overflow:hidden}.prod-card .media img,.prod-card .media picture{height:100%;width:100%}.prod-card .media img{object-fit:cover}.prod-card .body{padding:20px 20px 24px}.prod-card h3{font-size:19px;font-weight:650;margin-bottom:6px}.prod-card p{color:var(--ink2);font-size:14px}.prod-card .tag{color:var(--brand-ink);display:inline-block;font-size:12px;font-weight:600;margin-bottom:8px}.prod-wide{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-column:1/-1;grid-template-columns:1fr;margin-bottom:24px;overflow:hidden;scroll-margin-top:96px}@media (min-width:768px){.prod-wide{grid-template-columns:1.1fr .9fr}}.prod-wide .media{aspect-ratio:16/10;background:var(--bg2);min-height:220px}.prod-wide .media img,.prod-wide .media picture{height:100%;width:100%}.prod-wide .media img{object-fit:cover}.prod-wide .body{display:flex;flex-direction:column;justify-content:center;padding:32px}.prod-wide h3{font-size:24px;margin-bottom:10px}.prod-wide p{color:var(--ink2);font-size:15px;margin-bottom:12px}.family{margin-top:56px;text-align:center}.family h3{font-size:26px;margin-bottom:6px}.family p{color:var(--ink2);font-size:15px;margin-bottom:24px}.family-banner{border:1px solid rgba(6,196,255,.35);border-radius:var(--radius);box-shadow:0 0 0 1px rgba(6,196,255,.08),0 18px 50px rgba(6,196,255,.12);margin:0 auto;max-width:1000px;overflow:hidden}.family-banner img{display:block;height:auto;width:100%}.feat-grid{display:grid;gap:24px;grid-template-columns:1fr}@media (min-width:768px){.feat-grid{grid-template-columns:repeat(3,1fr)}}.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center}.feat svg{stroke:var(--brand-deep);fill:none;stroke-width:1.6;height:30px;margin-bottom:16px;width:30px}.feat h3{font-size:18px;font-weight:650;margin-bottom:8px}.feat p{color:var(--ink2);font-size:14px}.entity{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;gap:32px;grid-template-columns:1fr;padding:36px 32px}@media (min-width:768px){.entity{grid-template-columns:1fr 1fr}}.entity h3{color:var(--ink2);font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:10px}.entity .val{font-size:17px;font-weight:600}.entity .sub{color:var(--ink2);font-size:14px;margin-top:2px}.support-layout{display:grid;gap:28px;grid-template-columns:1fr}@media (min-width:900px){.support-layout{justify-items:center}}.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);max-width:560px;padding:32px;text-align:center;width:100%}.contact-card .email{color:var(--accent);font-size:22px;font-weight:650;word-break:break-all}.contact-card p{color:var(--ink2);font-size:14px;margin-top:10px}.faq{border-top:1px solid var(--line);list-style:none}.faq li{border-bottom:1px solid var(--line)}.faq button{align-items:center;background:none;border:none;color:var(--ink);cursor:pointer;display:flex;font-family:inherit;font-size:16px;font-weight:600;gap:16px;justify-content:space-between;padding:20px 4px;text-align:left;width:100%}.faq .arrow{color:var(--ink2);flex:0 0 auto;height:16px;transition:transform .2s ease;width:16px}.faq li.open .arrow{transform:rotate(45deg)}.faq .ans{max-height:0;overflow:hidden;transition:max-height .25s ease}.faq .ans-inner{color:var(--ink2);font-size:15px;padding:0 4px 22px}.faq li.open .ans{max-height:400px}.notice{background:var(--bg2);border-radius:16px;color:var(--ink2);font-size:14px;margin-top:24px;padding:18px 22px}.notice b{color:var(--ink)}.warranty-note{border-top:1px solid var(--line);color:var(--ink2);font-size:12.5px;line-height:1.7;margin-top:36px;padding-top:16px}.warranty-note b{color:var(--ink);font-weight:600}#company-info,#faq{scroll-margin-top:96px}.legal{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 36px}.legal .meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}.legal .pill{background:var(--bg2);border-radius:980px;color:var(--ink2);font-size:13px;padding:5px 14px}.legal h3{font-size:19px;font-weight:650;margin:28px 0 10px}.legal>h3:first-child{margin-top:0}.legal h4{color:var(--ink);font-size:15px;font-weight:650;margin:20px 0 8px}.legal li,.legal p{color:var(--ink2);font-size:14px}.legal p{margin:0 0 12px}.legal ol,.legal ul{margin:8px 0 12px 20px}.legal li{margin-bottom:6px}.legal li p{margin:6px 0 0}.legal .hl{color:var(--safe);font-weight:600}.legal table{border-collapse:collapse;font-size:13px;margin:14px 0;table-layout:fixed;width:100%}.legal td,.legal th{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.legal th{background:var(--bg2);font-weight:600}.legal colgroup col:first-child{width:34%}footer{background:var(--bg2);border-top:1px solid var(--line);margin-top:0;padding:48px 0 40px}.foot-grid{display:grid;gap:24px;grid-template-columns:1fr}@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1fr}}.foot-grid h4{color:var(--ink2);font-size:13px;font-weight:600;margin-bottom:12px}.foot-grid ul{list-style:none}.foot-grid li{margin-bottom:8px}.foot-grid a{color:var(--ink2);font-size:13px}.foot-grid a:hover{color:var(--ink)}.foot-brand-mail{color:var(--brand-ink);font-size:13px;margin-top:14px}.promise{background:#fff;border-top:1px solid var(--line);padding:64px 0 56px}.mv{background:linear-gradient(180deg,#fff,#f7faff);padding:76px 0 68px}.mv-head{margin:0 auto 48px;max-width:680px;text-align:center}.mv-head h2{font-size:32px;font-weight:700;letter-spacing:-.01em}.mv-head p{color:var(--ink2);font-size:17px;margin-top:8px}.mv-grid{display:grid;gap:20px;grid-template-columns:1fr;margin:0 auto;max-width:880px}@media (min-width:768px){.mv-grid{grid-template-columns:1fr 1fr}}.mv-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 30px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.mv-card:hover{border-color:rgba(6,196,255,.35);box-shadow:0 18px 44px rgba(0,0,0,.08),0 0 0 1px rgba(6,196,255,.35);transform:translateY(-4px)}.mv-label{color:var(--brand-deep);font-size:12px;font-weight:700;letter-spacing:.14em;margin-bottom:14px;text-transform:uppercase}.mv-card h3{font-size:22px;font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-bottom:12px}.mv-card h3 .hl{background:linear-gradient(105deg,var(--brand) 0,var(--brand-deep) 60%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.mv-card p{color:var(--ink2);font-size:14.5px;line-height:1.6}.promise-head{margin:0 auto 44px;max-width:640px;text-align:center}.promise-head h2{font-size:32px;font-weight:700;letter-spacing:-.01em}.promise-head p{color:var(--ink2);font-size:17px;margin-top:8px}.promise-grid{display:grid;gap:16px;grid-template-columns:1fr}@media (min-width:768px){.promise-grid{grid-template-columns:repeat(4,1fr)}}.promise-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.promise-item:hover{border-color:rgba(6,196,255,.35);box-shadow:0 18px 44px rgba(0,0,0,.08),0 0 0 1px rgba(6,196,255,.35);transform:translateY(-4px)}.promise-item .picon{align-items:center;background:linear-gradient(135deg,rgba(6,196,255,.16),rgba(10,132,255,.1));border-radius:16px;display:flex;height:52px;justify-content:center;margin:0 auto 14px;width:52px}.promise-item svg{stroke:var(--brand-deep);fill:none;stroke-width:1.6;height:26px;width:26px}.promise-item h3{font-size:16px;font-weight:650;margin-bottom:8px}.promise-item p{color:var(--ink2);font-size:13.5px;line-height:1.6}.foot-brand-mail a{color:var(--brand-deep)}.foot-bottom{border-top:1px solid var(--line);color:var(--ink2);display:flex;flex-wrap:wrap;font-size:12px;gap:12px;justify-content:space-between;margin-top:36px;padding-top:24px}.reveal{transition:opacity .6s ease,transform .6s ease}.js .reveal{opacity:0;transform:translateY(18px)}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.js .reveal,.reveal{opacity:1;transform:none;transition:none}}.nf{align-items:center;display:flex;flex-direction:column;justify-content:center;min-height:60vh;padding:96px 24px;text-align:center}.nf .code{font-size:64px;font-weight:700;letter-spacing:-.03em;line-height:1.05}.nf h1{font-size:24px;font-weight:650;margin:12px 0 10px}.nf p{color:var(--ink2);font-size:15px;margin-bottom:28px}