:root{--color-bg:#0b0d12;--color-surface:#171b24;--color-border:#262b36;--color-text:#f3f4f6;--color-text-muted:#9aa1ae;--color-primary:#6366f1;--color-primary-hover:#7c7ff5;--color-primary-contrast:#fff;--color-accent:#22d3ee;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--container-width:1120px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1200px 600px at 80% -10%, #6366f12e, transparent 60%), radial-gradient(900px 500px at 10% 0%, #22d3ee1f, transparent 55%), var(--color-bg);color:var(--color-text);min-height:100vh}#root{min-height:100vh}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button{font-family:inherit}img{max-width:100%;display:block}::selection{background:var(--color-primary);color:var(--color-primary-contrast)}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 24px}.page{flex-direction:column;min-height:100vh;display:flex}.nav{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);background:#0b0d12b3;position:sticky;top:0}.nav__inner{justify-content:space-between;align-items:center;height:68px;display:flex}.nav__logo{letter-spacing:-.02em;font-size:18px;font-weight:700}.nav__cta{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:8px 16px;font-size:14px;font-weight:600;transition:border-color .2s,background .2s}.nav__cta:hover{border-color:var(--color-primary);background:#6366f11a}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:14px 28px;font-size:16px;font-weight:600;transition:transform .15s,box-shadow .2s,background .2s;display:inline-flex}.btn--primary{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:var(--color-primary-contrast);box-shadow:0 10px 30px #6366f159}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px #6366f173}.hero{padding:96px 0 88px}.hero__inner{text-align:center;flex-direction:column;align-items:center;gap:24px;display:flex}.hero__title{letter-spacing:-.02em;max-width:780px;font-size:52px;font-weight:800;line-height:1.2}.hero__highlight{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#0000;-webkit-background-clip:text;background-clip:text}.hero__subtitle{color:var(--color-text-muted);max-width:560px;font-size:18px}.hero__btn{margin-top:8px}.section__title{text-align:center;letter-spacing:-.02em;margin-bottom:48px;font-size:32px;font-weight:800}.features{padding:72px 0}.features__grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px 28px;transition:transform .2s,border-color .2s}.feature-card:hover{border-color:var(--color-primary);transform:translateY(-4px)}.feature-card__icon{margin-bottom:16px;font-size:32px}.feature-card__title{margin-bottom:10px;font-size:19px;font-weight:700}.feature-card__desc{color:var(--color-text-muted);font-size:15px;line-height:1.6}.contact{padding:72px 0 96px}.contact__inner{text-align:center;max-width:640px}.contact__subtitle{color:var(--color-text-muted);margin-bottom:40px;font-size:15px}.contact__form{text-align:left;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;gap:18px;padding:32px;display:flex}.form-row{grid-template-columns:1fr 1fr;gap:18px;display:grid}.form-field{color:var(--color-text-muted);flex-direction:column;gap:8px;font-size:14px;font-weight:600;display:flex}.form-field input,.form-field textarea{color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);resize:vertical;padding:12px 14px;font-size:15px;font-weight:400;transition:border-color .2s}.form-field input:focus,.form-field textarea:focus{border-color:var(--color-primary);outline:none}.contact__submit{width:100%;margin-top:8px}.contact__hint{color:var(--color-text-muted);text-align:center;font-size:13px}.contact__success{background:var(--color-surface);border:1px solid var(--color-accent);border-radius:var(--radius-lg);padding:32px;font-size:16px;font-weight:600}.footer{border-top:1px solid var(--color-border);margin-top:auto;padding:24px 0}.footer__inner{color:var(--color-text-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:14px;display:flex}.footer__links{gap:20px;display:flex}.footer__links a{transition:color .2s}.footer__links a:hover{color:var(--color-text)}@media (width<=860px){.features__grid{grid-template-columns:1fr}}@media (width<=640px){.hero{padding:64px 0 56px}.hero__title{font-size:34px}.hero__subtitle{font-size:16px}.section__title{font-size:26px}.form-row{grid-template-columns:1fr}.contact__form{padding:24px}.footer__inner{flex-direction:column;align-items:flex-start}}