:root {
  --brand: #2475ed;
  --brand-dark: #0f56c5;
  --ink: #122033;
  --muted: #526173;
  --line: #e9eff7;
  --footer: #081829;
}

html { scroll-behavior: smooth; }

body {
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid #eff3f8;
  backdrop-filter: blur(16px);
  transition: box-shadow .2s ease;
}

.site-header.is-scrolled { box-shadow: 0 6px 25px rgba(24, 61, 109, .08); }
.navbar { min-height: 82px; }
.navbar-brand, .footer-brand { color: var(--ink); font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.navbar-brand:hover { color: var(--ink); }
.brand-mark { color: #2481f4; display: inline-grid; font-size: 28px; line-height: 1; place-items: center; transform: rotate(-7deg); }
.brand-logo { display: block; flex: 0 0 auto; height: 30px; object-fit: contain; width: 30px; }.brand-logo-light { height: 27px; width: 27px; }
.navbar-nav { gap: 24px; }
.nav-link { color: #172335; font-size: 15px; font-weight: 500; padding: 8px 0 !important; }
.nav-link:hover, .nav-link.active { color: var(--brand); }
.contact-button { padding: 10px 21px; font-size: 14px; }
.btn { --bs-btn-font-weight: 600; --bs-btn-border-radius: 8px; --bs-btn-padding-x: 18px; --bs-btn-padding-y: 10px; }
.btn-primary { --bs-btn-bg: var(--brand); --bs-btn-border-color: var(--brand); --bs-btn-hover-bg: var(--brand-dark); --bs-btn-hover-border-color: var(--brand-dark); }
.btn-success { --bs-btn-bg: #08ae92; --bs-btn-border-color: #08ae92; --bs-btn-hover-bg: #048d76; --bs-btn-hover-border-color: #048d76; }
.btn-lg { --bs-btn-padding-x: 24px; --bs-btn-padding-y: 12px; font-size: 15px; }

.hero-section { min-height: 640px; overflow: hidden; position: relative; background: linear-gradient(135deg, #fff 4%, #f4f9ff 50%, #edfbfc); }
.hero-content { position: relative; z-index: 1; padding-top: 100px; padding-bottom: 104px; }
.hero-waves { position: absolute; width: 140%; height: 420px; left: -20%; bottom: -115px; opacity: .8; background: radial-gradient(ellipse at 20% 0%, transparent 51%, #c8e7ff 51.3%, transparent 52%), radial-gradient(ellipse at 45% 8%, transparent 54%, #d4f0ff 54.4%, transparent 55%), radial-gradient(ellipse at 74% 6%, transparent 56%, #cbf4ed 56.4%, transparent 57%); }
.eyebrow { color: var(--brand); font-size: 11px; font-weight: 700; letter-spacing: .13em; margin: 0 0 12px; }
.hero-section h1 { font-size: clamp(39px, 4vw, 57px); letter-spacing: -.06em; line-height: 1.25; margin: 0 0 20px; font-weight: 800; }
.hero-section h1 span { color: var(--brand); }
.hero-copy { color: var(--muted); font-size: 16px; margin-bottom: 30px; }
.hero-actions { margin-top: 8px; }

.placeholder-visual { position: relative; overflow: hidden; border: 1px dashed rgba(36, 117, 237, .46); background-color: rgba(255, 255, 255, .38); }
.placeholder-label { align-items: center; display: inline-flex; gap: 8px; position: absolute; top: 50%; left: 50%; z-index: 2; white-space: nowrap; color: #6380a5; font-size: 13px; letter-spacing: .08em; transform: translate(-50%, -50%); }
.placeholder-label i { color: var(--brand); font-size: 30px; line-height: 1; }
.hero-visual { min-height: 355px; border-radius: 42% 42% 24px 24px; background-image: linear-gradient(135deg, rgba(210, 235, 255, .55), rgba(224, 252, 245, .72)); }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; border: 1px solid rgba(36, 117, 237, .35); border-radius: 50%; }
.hero-visual::before { width: 76%; height: 64%; left: 9%; top: 14%; }
.hero-visual::after { width: 52%; height: 46%; right: 3%; bottom: -4%; }
.hero-visual--clean { background: transparent; border: 0; border-radius: 0; overflow: visible; }.hero-visual--clean::before, .hero-visual--clean::after { display: none; }.hero-visual--clean img { display: block; filter: none; height: 100%; object-fit: contain; opacity: .78; transform: scale(.84); transform-origin: center; width: 100%; }
.visual-dot { position: absolute; width: 9px; height: 9px; z-index: 1; border-radius: 50%; background: #2d83f8; }
.dot-one { top: 22%; left: 18%; }.dot-two { right: 14%; top: 28%; background: #1cc7b0; }.dot-three { bottom: 19%; left: 22%; background: #ffd158; }
.visual-ring { position: absolute; width: 38px; height: 38px; border: 2px solid #2475ed; border-radius: 50%; }.ring-one { top: 20%; right: 8%; }.ring-two { bottom: 11%; right: 24%; border-color: #12b5a1; }

.product-section { padding: 92px 0 0; scroll-margin-top: 82px; }
.section-heading { text-align: center; margin-bottom: 52px; }
.section-heading .eyebrow { margin-bottom: 8px; opacity: .78; }
.section-heading h2 { font-size: 30px; letter-spacing: -.04em; font-weight: 800; margin: 0 0 6px; }
.section-heading > p:last-child { color: var(--muted); font-size: 15px; margin: 0; }
.product-card { display: flex; min-height: 320px; border-radius: 18px; overflow: hidden; position: relative; padding: 38px 36px; }
.blue-card { background: linear-gradient(130deg, #e8f2ff, #f4f9ff); }.green-card { background: linear-gradient(130deg, #e4faf8, #effcfb); }.purple-card { background: linear-gradient(130deg, #f1edff, #fbf9ff); }.webman-card { background: linear-gradient(130deg, #e9f4ff, #f5faff); }
.product-card-content { position: relative; z-index: 2; width: 57%; }.product-kicker { align-items: center; display: flex; gap: 6px; font-size: 10px; font-weight: 700; letter-spacing: .11em; color: #6e87a8; margin: 0 0 8px; }.product-kicker i { color: var(--brand); font-size: 14px; letter-spacing: 0; }.green-card .product-kicker i { color: #00a589; }.purple-card .product-kicker i { color: #7056e8; }.product-card h3 { color: var(--brand); font-size: 27px; font-weight: 800; letter-spacing: -.04em; margin: 0 0 10px; }.green-card h3 { color: #00a589; }.purple-card h3 { color: #7056e8; }
.product-summary { font-size: 15px; font-weight: 500; margin: 0 0 20px; color: #25384f; }.feature-list { color: #455871; font-size: 14px; list-style: none; margin: 0 0 24px; padding: 0; }.feature-list li { align-items: center; display: flex; gap: 9px; margin: 8px 0; }.feature-list i { color: #2581f9; font-size: 11px; }.green-card .feature-list i { color: #05b69b; }.purple-card .feature-list i { color: #755ced; }
.card-visual { position: absolute; width: 43%; height: 62%; right: 27px; bottom: 31px; border-radius: 20px 20px 10px 10px; background: rgba(255,255,255,.38); }.card-visual::before { content: ""; position: absolute; width: 64%; height: 56%; top: -18px; left: -8px; border: 1px solid rgba(36, 117, 237, .26); border-radius: 50%; }.green-card .card-visual::before { border-color: rgba(0, 165, 137, .34); }
.card-visual--clean { background: transparent; border: 0; overflow: visible; }.card-visual--clean::before { display: none; }.card-visual--clean img { display: block; filter: none; height: 84%; margin: 8% auto; max-width: none; object-fit: contain; object-position: center; width: 84%; }

.opensource-section { padding-bottom: 0; }.advantage-strip { margin-top: 48px; background: linear-gradient(90deg, #f5f8fd, #fbfcff); border: 1px solid #eef2f7; border-radius: 17px; display: grid; grid-template-columns: repeat(4, 1fr); padding: 26px 30px; gap: 20px; }.advantage-item { display: flex; align-items: center; gap: 14px; }.advantage-icon { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 38px; color: var(--brand); border: 1.5px solid #78afff; border-radius: 11px; font-size: 18px; }.advantage-item h3 { font-size: 15px; font-weight: 700; margin: 0 0 2px; }.advantage-item p { color: #64748a; font-size: 12px; margin: 0; }

.contact-section { padding: 92px 0 0; scroll-margin-top: 82px; }.contact-panel { background: linear-gradient(125deg, #0d4ea7, #1d7eed 58%, #2fa0f7); border-radius: 20px; box-shadow: 0 18px 46px rgba(28, 105, 211, .2); color: #fff; overflow: hidden; padding: 43px 52px; position: relative; }.contact-panel::before, .contact-panel::after { border: 1px solid rgba(255,255,255,.18); border-radius: 50%; content: ""; position: absolute; }.contact-panel::before { height: 310px; right: -75px; top: -190px; width: 310px; }.contact-panel::after { bottom: -190px; height: 320px; left: 46%; width: 320px; }.contact-panel .row { position: relative; z-index: 1; }.contact-panel .eyebrow { color: #cfe8ff; }.contact-panel h2 { font-size: 32px; font-weight: 800; letter-spacing: -.04em; margin: 0 0 10px; }.contact-panel > .row > div > p { color: rgba(255,255,255,.86); font-size: 15px; margin: 0 0 23px; }.contact-email { align-items: center; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); border-radius: 9px; color: #fff; display: inline-flex; font-size: 15px; font-weight: 600; gap: 10px; padding: 10px 15px; text-decoration: none; transition: background .2s; }.contact-email:hover { background: rgba(255,255,255,.24); color: #fff; }.contact-email i { font-size: 17px; }.contact-qr { align-items: center; background: rgba(255,255,255,.95); border-radius: 14px; box-shadow: 0 12px 24px rgba(7,50,108,.16); color: #183452; display: flex; gap: 17px; margin-left: auto; max-width: 270px; padding: 13px; }.contact-qr img { background: #fff; display: block; height: 104px; object-fit: contain; width: 104px; }.contact-qr span { align-items: center; color: #1668d9; display: flex; font-size: 15px; font-weight: 700; gap: 6px; }.contact-qr span i { font-size: 18px; }.contact-qr p { color: #60728a; font-size: 13px; line-height: 1.5; margin: 7px 0 0; }

.site-footer { background: linear-gradient(110deg, #071625, #0b1c2f); color: #c3d0de; margin-top: 62px; padding: 54px 0 50px; }.footer-brand { color: #fff; font-size: 16px; }.footer-brand:hover { color: #fff; }.brand-mark-light { color: #2ed7ff; }.copyright { font-size: 13px; margin: 17px 0 0; color: #8998aa; }.site-footer h2 { color: #fff; font-size: 14px; font-weight: 700; margin: 0 0 14px; }.site-footer a:not(.footer-brand) { color: #aab8c8; display: block; font-size: 13px; line-height: 1.9; text-decoration: none; transition: color .2s; }.site-footer a:not(.footer-brand):hover { color: #fff; }.footer-social { display: flex; gap: 11px; margin-top: 13px; }.site-footer .footer-social > * { align-items: center; border: 1px solid #60738b; border-radius: 50%; color: #aab8c8; display: inline-flex; height: 29px; justify-content: center; line-height: 1; transition: .2s ease; width: 29px; }.site-footer .footer-social a { display: inline-flex; line-height: 1; }.site-footer .footer-social a:hover { border-color: #fff; transform: translateY(-2px); }.footer-social i { font-size: 14px; }

@media (max-width: 991.98px) {
  .navbar { min-height: 70px; }.navbar-collapse { padding: 18px 0 8px; }.navbar-nav { gap: 4px; }.contact-button { margin-top: 12px; }.hero-content { padding-top: 76px; }.hero-visual { max-width: 580px; margin: 0 auto; }.advantage-strip { grid-template-columns: repeat(2, 1fr); }.contact-panel { padding: 37px; }.contact-qr { margin-left: 0; }.site-footer { margin-top: 48px; }
}

@media (max-width: 575.98px) {
  .navbar-brand { font-size: 13px; }.hero-section { min-height: auto; }.hero-content { padding-top: 60px; padding-bottom: 74px; }.hero-section h1 { font-size: 36px; }.hero-copy { font-size: 14px; }.hero-visual { min-height: 260px; }.product-section { padding-top: 66px; }.section-heading { margin-bottom: 34px; }.section-heading h2 { font-size: 27px; }.product-card { min-height: 440px; padding: 29px 25px; }.product-card-content { width: 100%; }.card-visual { width: 60%; height: 34%; right: 22px; bottom: 24px; }.advantage-strip { grid-template-columns: 1fr; padding: 22px; margin-top: 32px; }.contact-section { padding-top: 66px; }.contact-panel { padding: 30px 25px; }.contact-panel h2 { font-size: 28px; }.contact-qr { max-width: none; }.footer-main { row-gap: 34px !important; }
}