:root { --font-geist-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif; --font-geist-mono:"SFMono-Regular",Consolas,monospace; --background:#f7f9fc; --foreground:#10213d; --navy:#0b1f3a; --blue:#2563eb; --blue-soft:#edf4ff; --muted:#65748b; --line:#dfe7f1; --radius:22px; }
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-geist-sans),'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased} a{color:inherit;text-decoration:none}.shell{width:min(1160px,calc(100% - 48px));margin:0 auto}

.site-header{position:sticky;top:0;z-index:50;height:72px;padding:0 max(24px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;gap:32px;background:rgba(247,249,252,.86);border-bottom:1px solid rgba(223,231,241,.8);backdrop-filter:blur(18px)}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:760;letter-spacing:-.02em}.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#3b82f6,#1d4ed8);box-shadow:0 7px 18px rgba(37,99,235,.25);font-family:'Songti SC',serif;font-size:17px}.brand-name{font-size:18px}.nav-links{display:flex;align-items:center;gap:38px;margin-left:auto}.nav-links a{font-size:14px;color:#4f6077;transition:color .2s}.nav-links a:hover{color:var(--blue)}.nav-cta{display:inline-flex;align-items:center;gap:7px;color:#fff;background:var(--navy);border-radius:10px;padding:10px 16px;font-size:13px;font-weight:650}

.hero{min-height:690px;display:flex;align-items:center;position:relative;overflow:hidden;padding:82px 0 96px}.hero:before{content:'';position:absolute;width:480px;height:480px;border:1px solid rgba(37,99,235,.08);border-radius:50%;left:-240px;top:40px}.hero-glow{position:absolute;width:620px;height:620px;right:-90px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(90,163,255,.22),rgba(90,163,255,0) 68%)}.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:72px;align-items:center;position:relative}.eyebrow{display:flex;align-items:center;gap:7px;margin:0 0 20px;color:var(--blue);font-size:12px;font-weight:750;letter-spacing:.16em}.hero h1{margin:0;color:var(--navy);font-size:clamp(52px,6vw,78px);line-height:1.08;letter-spacing:-.065em;font-weight:760}.hero h1 span{color:var(--blue)}.hero-lead{margin:28px 0 0;max-width:560px;font-size:18px;line-height:1.9;color:#5a6b82}.hero-actions{display:flex;gap:12px;margin-top:36px}.button{min-height:50px;padding:0 24px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px)}.button.primary{color:#fff;background:linear-gradient(135deg,#3578f6,#1e55d6);box-shadow:0 13px 28px rgba(37,99,235,.22)}.button.secondary{background:#fff;border:1px solid var(--line);color:#34445a}.trust-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;color:#7a879a;font-size:13px}.trust-row span{display:inline-flex;align-items:center;gap:5px}.trust-row svg{color:var(--blue)}

.hero-visual{position:relative;padding:28px 0 30px 28px}.visual-card{position:relative;z-index:2;overflow:hidden;background:#fff;border:1px solid rgba(213,225,240,.9);border-radius:26px;box-shadow:0 34px 80px rgba(28,61,111,.15);transform:rotate(1.2deg)}.visual-topbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 20px}.mini-brand{display:flex;align-items:center;gap:8px;color:#2e4058;font-size:12px;font-weight:700}.mini-brand span{width:25px;height:25px;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:8px}.window-dots{display:flex;gap:5px}.window-dots i{width:6px;height:6px;border-radius:50%;background:#d8e0eb}.visual-card img{width:100%;aspect-ratio:16/8.25;object-fit:cover;display:block}.visual-caption{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 20px}.visual-caption small{display:block;color:#8491a2;font-size:11px;margin-bottom:4px}.visual-caption strong{color:#24364e;font-size:15px}.play-button{width:38px;height:38px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:50%}.float-chip{position:absolute;z-index:3;display:flex;align-items:center;gap:8px;padding:11px 14px;border:1px solid rgba(213,225,240,.9);border-radius:12px;background:rgba(255,255,255,.94);box-shadow:0 14px 36px rgba(31,66,119,.14);color:#3b4f69;font-size:12px;font-weight:700;backdrop-filter:blur(10px)}.float-chip svg{color:var(--blue)}.chip-one{right:-25px;top:7px}.chip-two{left:0;bottom:5px}.chip-three{right:-18px;bottom:45px}

.product-section{padding:110px 0 120px;background:#fff}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:80px;margin-bottom:46px}.section-heading h2,.about-copy h2,.contact-card h2{margin:0;font-size:clamp(34px,4vw,48px);line-height:1.25;letter-spacing:-.04em;color:var(--navy)}.section-heading>p{max-width:410px;margin:0 0 4px;color:var(--muted);line-height:1.8;font-size:15px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{position:relative;min-height:410px;padding:28px;border:1px solid #e3eaf3;border-radius:var(--radius);background:#fbfcfe;transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}.product-card:after{content:'';position:absolute;width:180px;height:180px;right:-90px;bottom:-90px;border-radius:50%;background:rgba(37,99,235,.06)}.product-card:hover{transform:translateY(-6px);border-color:#cdddf4;box-shadow:0 24px 60px rgba(38,68,111,.1)}.product-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.product-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;color:#2f6de5;background:#eaf2ff}.product-card.violet .product-icon{color:#7c51d9;background:#f1ebff}.product-card.mint .product-icon{color:#148b72;background:#e5f7f1}.product-number{color:#aab5c4;font-size:12px;font-family:var(--font-geist-mono)}.product-subtitle{margin:0 0 8px;color:#7b899c;font-size:12px}.product-card h3{margin:0;color:#1a2d49;font-size:24px;letter-spacing:-.03em}.product-description{min-height:88px;margin:17px 0 20px;color:#63738a;font-size:14px;line-height:1.75}.tag-list{display:flex;flex-wrap:wrap;gap:7px}.tag-list span{padding:6px 10px;border-radius:7px;background:#fff;border:1px solid #e4eaf2;color:#66768c;font-size:11px}.product-card>a{position:absolute;left:28px;bottom:27px;z-index:2;display:inline-flex;align-items:center;gap:4px;color:var(--blue);font-size:13px;font-weight:750}

.about-section{padding:120px 0;background:var(--navy);color:#fff;position:relative;overflow:hidden}.about-section:after{content:'珣';position:absolute;right:-30px;bottom:-130px;color:rgba(255,255,255,.026);font-family:'Songti SC',serif;font-size:450px;line-height:1}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:110px;position:relative;z-index:1}.eyebrow.light{color:#80aefa}.about-copy h2{color:#fff}.about-copy>p:not(.eyebrow){margin:28px 0 30px;max-width:470px;color:#aebbd0;line-height:1.9;font-size:15px}.company-pill{display:inline-flex;padding:9px 13px;border:1px solid rgba(255,255,255,.13);border-radius:9px;color:#9eacc0;font-size:12px}.company-pill span{color:#72a2f4;font-weight:700}.principles{border-top:1px solid rgba(255,255,255,.12)}.principle{display:grid;grid-template-columns:55px 1fr;gap:12px;padding:26px 4px;border-bottom:1px solid rgba(255,255,255,.12)}.principle>span{color:#6595e6;font-family:var(--font-geist-mono);font-size:11px;padding-top:4px}.principle h3{margin:0 0 8px;font-size:17px}.principle p{margin:0;color:#91a1b8;font-size:13px;line-height:1.7}

.contact-section{padding:105px 0}.contact-card{display:flex;align-items:center;justify-content:space-between;gap:70px;padding:54px 60px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:0 25px 70px rgba(35,70,120,.08)}.contact-card>div>p:last-child{margin:16px 0 0;color:var(--muted);font-size:14px}.contact-card h2{font-size:clamp(30px,3vw,40px)}.email-card{min-width:390px;display:grid;grid-template-columns:46px 1fr 20px;align-items:center;gap:14px;padding:17px 18px;border-radius:15px;background:var(--blue-soft);border:1px solid #d8e7ff;transition:transform .2s}.email-card:hover{transform:translateX(4px)}.email-icon{width:46px;height:46px;display:grid;place-items:center;color:#fff;border-radius:12px;background:var(--blue)}.email-card small{display:block;color:#71829b;font-size:11px;margin-bottom:3px}.email-card strong{color:#244369;font-size:15px}
footer{padding:28px 0;border-top:1px solid var(--line);background:#fff}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-inner p{margin:0;color:#8995a7;font-size:11px}.footer-brand .brand-mark{width:29px;height:29px;border-radius:9px;font-size:14px}.footer-brand .brand-name{font-size:15px}

@media(max-width:900px){.hero{padding-top:64px}.hero-grid,.about-grid{grid-template-columns:1fr}.hero-grid{gap:55px}.hero-copy,.hero-visual{max-width:680px}.product-grid{grid-template-columns:1fr 1fr}.product-card:last-child{grid-column:1/-1}.section-heading{align-items:start;flex-direction:column;gap:18px}.about-grid{gap:64px}.contact-card{align-items:start;flex-direction:column}.email-card{width:100%;min-width:0}.footer-inner{flex-wrap:wrap}.footer-inner p:nth-child(2){display:none}}
@media(max-width:640px){.shell{width:min(100% - 32px,1160px)}.site-header{height:64px;padding:0 16px}.nav-links{display:none}.nav-cta{padding:9px 12px}.nav-cta svg{display:none}.hero{min-height:0;padding:64px 0 82px}.hero h1{font-size:48px}.hero-lead{font-size:16px}.hero-actions{align-items:stretch;flex-direction:column}.button{width:100%}.hero-visual{padding:10px 0 30px}.chip-one{right:-6px;top:-14px}.chip-two{left:-5px;bottom:3px}.chip-three{display:none}.visual-card{border-radius:19px}.visual-topbar{height:48px}.visual-caption{padding:14px 16px}.product-section,.about-section{padding:80px 0}.section-heading h2,.about-copy h2{font-size:34px}.product-grid{grid-template-columns:1fr}.product-card:last-child{grid-column:auto}.product-card{min-height:390px}.contact-section{padding:70px 0}.contact-card{width:calc(100% - 32px);padding:32px 24px;gap:32px}.email-card{grid-template-columns:42px minmax(0,1fr)}.email-card>svg{display:none}.email-card strong{font-size:13px}.footer-inner{align-items:flex-start;flex-direction:column;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}