*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#080d19;color:#f3f6ff;font-family:"DM Sans",sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}.section-wrap{width:min(1160px,calc(100% - 48px));margin:auto}.ambient{position:absolute;width:500px;height:500px;filter:blur(120px);opacity:.14;pointer-events:none;border-radius:50%}.ambient-a{top:80px;left:-220px;background:#1764db}.ambient-b{top:400px;right:-260px;background:#6a45db}.site-header{height:84px;display:flex;align-items:center;justify-content:space-between;width:min(1240px,calc(100% - 48px));margin:auto;border-bottom:1px solid #ffffff12;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:12px;font:700 15px "Space Grotesk",sans-serif;letter-spacing:.11em}.brand-light{font-weight:400;color:#91a2c5}.brand-mark{width:27px;height:27px;display:flex;align-items:center;justify-content:center;gap:3px;transform:skew(-17deg)}.brand-mark i{display:block;width:5px;border-radius:4px;background:#77a9ff}.brand-mark i:nth-child(1){height:13px}.brand-mark i:nth-child(2){height:22px}.brand-mark i:nth-child(3){height:17px}.nav{display:flex;gap:34px;color:#aab5ca;font-size:12px}.nav a:hover,.footer a:hover{color:#fff}.nav-cta{font-size:12px;border:1px solid #52617d;border-radius:4px;padding:10px 16px}.nav-cta span{color:#83b2ff;margin-left:8px}.menu-toggle{display:none;background:none;color:white;border:0;font-size:23px}.hero{min-height:650px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;position:relative;padding-top:48px;padding-bottom:86px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.2em;color:#91baff;display:flex;align-items:center;gap:10px}.pulse{width:7px;height:7px;border-radius:50%;background:#67e5c0;box-shadow:0 0 14px #67e5c0}.hero h1,.section h2,.band-inner h2,.business-panel h2,.contact-card h2{font:600 clamp(44px,6vw,76px)/1.08 "Space Grotesk",sans-serif;letter-spacing:-.055em;margin:24px 0}.gradient-text{background:linear-gradient(100deg,#f3f7ff 5%,#8ab8ff 55%,#a98cff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-lead{max-width:510px;color:#a6b2c8;font-size:15px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px}.button{display:inline-flex;align-items:center;gap:20px;padding:14px 19px;border-radius:4px;font-size:12px;font-weight:700;transition:.2s}.button-primary{background:linear-gradient(105deg,#377cf0,#6756d9);box-shadow:0 8px 28px #3d70d52c}.button-primary:hover{transform:translateY(-2px);box-shadow:0 12px 35px #3d70d55c}.text-link{font-size:12px;color:#b8c4da}.text-link span{color:#82b4ff;margin-left:8px}.hero-proof{display:flex;align-items:center;gap:20px;margin-top:58px}.proof-item{display:flex;flex-direction:column}.proof-item b{font:600 12px "Space Grotesk";letter-spacing:.12em}.proof-item span{font-size:10px;color:#74829d}.proof-line{height:25px;width:1px;background:#29344a}.hero-visual{height:490px;position:relative;display:grid;place-items:center}.visual-orbit{position:absolute;border:1px solid #7ba6ff26;border-radius:50%;transform:rotate(-24deg)}.orbit-one{width:360px;height:190px}.orbit-two{width:450px;height:280px;transform:rotate(48deg)}.orbit-three{width:420px;height:420px;border-style:dashed;opacity:.5}.core{width:170px;height:170px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#274f91 0,#122344 48%,#0b1427 70%);box-shadow:0 0 90px #3679e34d,inset 0 0 35px #82b6ff28;border:1px solid #80adff5c;z-index:2}.core-inner{width:130px;height:130px;border:1px solid #83b4ff55;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0c1830}.core-symbol{font:600 53px "Space Grotesk";line-height:1;color:#dbeaff;text-shadow:0 0 25px #77aaff}.core-caption{font-size:8px;line-height:1.3;letter-spacing:.22em;text-align:center;color:#8fb4ee;margin-top:8px}.node{position:absolute;z-index:3;background:#111d33e8;border:1px solid #617ca84f;padding:11px 15px;min-width:112px;box-shadow:0 10px 30px #0005}.node b{font:600 10px "Space Grotesk";letter-spacing:.12em;display:block}.node small{font-size:8px;color:#788ba9;letter-spacing:.15em}.node-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7ac4ff;margin-right:7px;box-shadow:0 0 9px #7ac4ff}.node-a{top:70px;left:13%}.node-b{right:0;top:48%}.node-c{bottom:56px;left:17%}.visual-label{position:absolute;bottom:0;font-size:8px;letter-spacing:.16em;color:#657795}.visual-label span{color:#62dcb9;margin-left:15px}.hero-bottom{position:absolute;bottom:24px;left:0;right:0;display:flex;justify-content:space-between;border-top:1px solid #ffffff15;padding-top:15px;color:#62718d;font-size:8px;letter-spacing:.16em}.intro-strip{border-top:1px solid #ffffff12;border-bottom:1px solid #ffffff12;padding:22px 0;display:flex;align-items:center;gap:24px;color:#8593ad;font-size:9px;letter-spacing:.18em}.intro-strip p{margin:0}.strip-line{height:1px;background:#33415b;flex:1}.strip-index{color:#61708c}.section{padding-top:120px;padding-bottom:105px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:48px}.section h2,.band-inner h2,.business-panel h2,.contact-card h2{font-size:clamp(38px,4.5vw,58px);margin:18px 0 0}.section-heading>p{max-width:390px;color:#93a1b9;font-size:13px;line-height:1.9;margin:0 0 5px}.feature-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}.feature-card{min-height:330px;background:linear-gradient(145deg,#111c30,#0c1424);border:1px solid #ffffff13;padding:26px;position:relative;overflow:hidden}.feature-card:after{content:"";position:absolute;width:180px;height:180px;right:-100px;bottom:-100px;border-radius:50%;background:#477ce41a;filter:blur(35px)}.feature-number{font-size:9px;color:#7184a6;letter-spacing:.17em}.feature-icon{margin-top:28px;font-size:27px;color:#91baff}.feature-card h3{font:600 19px "Space Grotesk";margin:14px 0 9px}.feature-card p{font-size:12px;color:#8e9db6;line-height:1.8;max-width:300px}.code-art{position:absolute;bottom:22px;right:20px;background:#080f1d;border:1px solid #344665;padding:13px 16px;font:10px/1.9 monospace;color:#b9c9e4;transform:rotate(-5deg);box-shadow:0 10px 30px #0005}.code-art span{color:#76d9bd}.code-art i{font-style:normal;color:#83aaff}.mini-bars{display:flex;align-items:end;gap:6px;height:48px;margin-top:38px}.mini-bars i{width:13px;background:linear-gradient(#7daeff,#4655a7);border-radius:3px 3px 0 0;opacity:.8}.mini-bars i:nth-child(3n){height:90%}.mini-bars i:nth-child(3n+1){height:48%}.mini-bars i:nth-child(3n+2){height:70%}.billing-chip{margin-top:36px;border:1px solid #334766;padding:12px 14px;display:flex;flex-direction:column;gap:3px;width:max-content}.billing-chip span{font-size:8px;letter-spacing:.16em;color:#7fd9c2}.billing-chip b{font:500 12px "Space Grotesk"}.dark-band{background:linear-gradient(110deg,#101c31,#11182a 60%,#151b35);border-top:1px solid #ffffff12;border-bottom:1px solid #ffffff12}.band-inner{padding-top:85px;padding-bottom:85px;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.band-inner h2{font-size:clamp(37px,4vw,53px)}.band-points>div{display:flex;gap:24px;padding:17px 0;border-bottom:1px solid #ffffff16}.band-points>div>b{font:500 11px "Space Grotesk";color:#80aaff}.band-points span{display:flex;flex-direction:column;gap:5px}.band-points strong{font:500 15px "Space Grotesk"}.band-points small{font-size:11px;color:#8998b1}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.steps article{position:relative}.steps article>span{font:500 12px "Space Grotesk";color:#8db8ff}.step-line{height:1px;background:linear-gradient(90deg,#638ee0,#26344d);margin:18px 0 24px}.steps h3{font:600 16px "Space Grotesk"}.steps p{font-size:12px;color:#8e9cb4;line-height:1.8}.business-section{padding-top:30px}.business-panel{display:grid;grid-template-columns:1.15fr .85fr;background:linear-gradient(120deg,#121e34,#10172a);border:1px solid #ffffff15;min-height:410px;overflow:hidden}.business-copy{padding:58px}.business-copy p{max-width:450px;color:#9aa9c1;font-size:13px;line-height:1.9;margin:24px 0 30px}.business-side{position:relative;display:flex;flex-direction:column;justify-content:center;gap:25px;padding:45px;border-left:1px solid #ffffff12;overflow:hidden}.side-orb{position:absolute;width:320px;height:320px;border:1px solid #709eff2b;border-radius:50%;right:-60px;top:40px;box-shadow:0 0 0 35px #709eff08,0 0 0 70px #709eff05}.side-stat{position:relative;display:flex;flex-direction:column;gap:4px}.side-stat small{font-size:8px;letter-spacing:.17em;color:#8ba6d0}.side-stat strong{font:500 23px "Space Grotesk"}.side-stat span{font-size:10px;color:#8494af}.faq-list{border-top:1px solid #ffffff20}.faq-list details{border-bottom:1px solid #ffffff20;padding:21px 0}.faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;font:500 15px "Space Grotesk"}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:#82aaff;font-size:20px}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{max-width:750px;color:#92a1ba;font-size:12px;line-height:1.9;margin:15px 0 0}.contact-section{display:grid;grid-template-columns:1.1fr .9fr;padding-bottom:110px}.contact-card{background:linear-gradient(135deg,#172746,#10192d);padding:55px}.contact-card p{max-width:430px;color:#a0aec5;font-size:13px;line-height:1.9;margin:24px 0 28px}.contact-note{display:block;color:#7485a3;font-size:9px;margin-top:14px}.contact-aside{position:relative;overflow:hidden;background:#0d1525;border:1px solid #ffffff12;display:flex;flex-direction:column;justify-content:flex-end;padding:40px}.aside-grid{position:absolute;inset:0;background-image:linear-gradient(#4d72a51c 1px,transparent 1px),linear-gradient(90deg,#4d72a51c 1px,transparent 1px);background-size:35px 35px;mask-image:linear-gradient(to bottom,#000,transparent)}.contact-aside:before{content:"";position:absolute;width:230px;height:230px;top:45px;left:50%;transform:translateX(-50%);border:1px solid #7eacff60;border-radius:50%;box-shadow:0 0 0 30px #78aaff0a,0 0 70px #3776df30}.contact-aside>span,.contact-aside>b,.contact-aside>small{position:relative}.contact-aside>span{font-size:9px;letter-spacing:.2em;color:#8bb6ff}.contact-aside>b{font:500 25px/1.25 "Space Grotesk";margin:10px 0}.contact-aside>small{font-size:8px;letter-spacing:.15em;color:#7485a2}.footer{border-top:1px solid #ffffff15;background:#070b14}.footer-main{display:flex;align-items:center;justify-content:space-between;padding-top:27px;padding-bottom:27px}.footer-main p{font-size:11px;color:#75839c}.footer-links{display:flex;gap:23px;font-size:11px;color:#9aa7bd}.footer-bottom{border-top:1px solid #ffffff10;padding-top:16px;padding-bottom:20px;display:flex;justify-content:space-between;font-size:9px;color:#62718b}
@media(max-width:850px){.nav{gap:17px}.hero{grid-template-columns:1fr;padding-top:75px}.hero-visual{height:390px;margin-top:20px}.hero-copy{max-width:650px}.hero-bottom{bottom:15px}.feature-grid{grid-template-columns:1fr 1fr}.feature-large{grid-column:span 2}.band-inner{gap:35px}.business-copy{padding:38px}.business-side{padding:30px}}
@media(max-width:620px){.section-wrap{width:calc(100% - 36px)}.site-header{width:calc(100% - 36px);height:70px}.menu-toggle{display:block;margin-left:auto;margin-right:15px}.nav{display:none;position:absolute;top:69px;left:0;right:0;background:#101a2c;padding:20px;flex-direction:column;gap:18px;border:1px solid #ffffff18}.nav.open{display:flex}.nav-cta{padding:8px 10px}.hero{padding-top:62px;padding-bottom:75px;min-height:0}.hero h1{font-size:48px}.hero-lead{font-size:13px}.hero-actions{gap:17px;flex-wrap:wrap}.hero-proof{margin-top:40px;gap:13px}.hero-visual{height:330px;transform:scale(.88);margin:-5px -20px 0}.orbit-two{width:370px;height:230px}.orbit-three{width:340px;height:340px}.core{width:145px;height:145px}.core-inner{width:112px;height:112px}.node-a{left:4%;top:44px}.node-b{right:0}.node-c{left:7%;bottom:35px}.hero-bottom{font-size:7px}.intro-strip{font-size:7px;gap:10px}.section{padding-top:80px;padding-bottom:75px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:20px}.section h2,.band-inner h2,.business-panel h2,.contact-card h2{font-size:40px}.feature-grid{grid-template-columns:1fr}.feature-large{grid-column:auto}.feature-card{min-height:290px}.band-inner{grid-template-columns:1fr;padding-top:65px;padding-bottom:65px}.steps{grid-template-columns:1fr 1fr;gap:25px 18px}.business-section{padding-top:5px}.business-panel{grid-template-columns:1fr}.business-copy{padding:35px 25px}.business-side{border-left:0;border-top:1px solid #ffffff12;padding:30px 25px;min-height:230px}.side-orb{top:-35px}.contact-section{grid-template-columns:1fr;padding-bottom:75px}.contact-card{padding:38px 25px}.contact-aside{min-height:280px}.footer-main{align-items:flex-start;flex-wrap:wrap;gap:13px}.footer-main p{width:100%;order:3;margin:0}.footer-bottom{gap:10px;flex-direction:column}.footer-links{gap:14px}}

.header-actions{display:flex;align-items:center;gap:12px}
.lang-toggle{display:inline-flex;align-items:center;border:1px solid #52617d;border-radius:4px;padding:9px 12px;color:#c5d4ed;font:500 11px "DM Sans",sans-serif}
.lang-toggle:hover{border-color:#8bb6ff;color:#fff}
html[lang="zh-Hant"] body{font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
html[lang="zh-Hant"] h1,html[lang="zh-Hant"] h2,html[lang="zh-Hant"] h3,html[lang="zh-Hant"] .brand{font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Space Grotesk",sans-serif;letter-spacing:0}
@media(max-width:620px){.header-actions{gap:7px}.lang-toggle{padding:8px 9px;font-size:10px}.nav-cta{font-size:10px}}

/* Business positioning upgrade */
main h2{scroll-margin-top:90px}
main .section-wrap.section>div[style*="max-width"] h2{font:600 23px "Space Grotesk",sans-serif;color:#e7eefb;margin:30px 0 10px}
main .section-wrap.section>div[style*="max-width"] p{margin:0 0 18px}
main .section-wrap.section>div[style*="max-width"] strong{color:#f0f5ff}


/* Supported model families */
.model-section { padding-top: 34px; }
.model-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; margin-top:34px; }
.model-card { position:relative; display:flex; align-items:center; gap:18px; min-height:112px; padding:22px 24px; border:1px solid var(--line, rgba(255,255,255,.12)); border-radius:18px; background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018)); }
.model-mark { display:grid; place-items:center; width:48px; height:48px; flex:0 0 48px; border-radius:14px; font:700 24px/1 'Space Grotesk',sans-serif; color:#101014; background:linear-gradient(135deg,#f3d99b,#b78b45); }
.model-gemini { font-size:29px; }
.model-card h3 { margin:0 0 5px; font-size:19px; }
.model-card p { margin:0; color:var(--muted, #a7a7ad); font-size:13px; }
.model-arrow { margin-left:auto; color:#d9b978; font-size:18px; }
.model-note { margin:16px 0 0; color:var(--muted, #a7a7ad); font-size:12px; line-height:1.7; }
@media (max-width:700px) { .model-grid { grid-template-columns:1fr; gap:12px; } .model-card { min-height:88px; } }


/* Global readability refinement: enlarge compact and secondary typography */
body { font-size: 16px; }
p { font-size: 15px; }
small, .contact-note { font-size: 13px; }
.eyebrow { font-size: 11px; }
.nav, .nav a { font-size: 14px; }
.nav-cta, .button { font-size: 14px; }
.intro-strip { font-size: 11px; }
.hero-lead, .section-heading>p, .feature-card p, .business-copy p,
.steps p, .contact-card p { font-size: 15px; line-height: 1.85; }
.faq-list summary { font-size: 16px; line-height: 1.65; padding-top: 22px; padding-bottom: 22px; }
.faq-list details p { font-size: 15px; line-height: 1.9; max-width: 900px; }
.model-card p, .model-note { font-size: 14px; line-height: 1.8; }
.footer-main p, .footer-links { font-size: 13px; }
.footer-bottom { font-size: 12px; }
.contact-aside>span { font-size: 11px; }
.contact-aside>small { font-size: 11px; }
.lang-toggle { font-size: 13px; }
@media(max-width:620px) {
  body { font-size: 15px; }
  p, .hero-lead, .section-heading>p, .feature-card p,
  .business-copy p, .steps p, .contact-card p { font-size: 14px; }
  .faq-list summary { font-size: 15px; }
  .faq-list details p { font-size: 14px; }
  .eyebrow { font-size: 10px; }
  .nav-cta { font-size: 12px; }
  .footer-main p, .footer-links, .footer-bottom { font-size: 12px; }
}


/* Compact FAQ rhythm */
.faq-list details { padding: 10px 0; }
.faq-list summary { padding: 5px 0; line-height: 1.55; }
.faq-list details p { margin: 8px 0 5px; line-height: 1.75; }
@media(max-width:620px) {
  .faq-list details { padding: 8px 0; }
  .faq-list summary { padding: 4px 0; }
  .faq-list details p { margin-top: 7px; }
}


/* Regional availability notice */
.regional-notice {
  margin: 0;
  padding: 12px 0 18px;
  border-top: 1px solid #ffffff12;
  color: #8795ad;
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}
@media(max-width:620px) {
  .regional-notice { font-size: 12px; padding: 10px 0 15px; }
}