:root {
  --ink: #252526;
  --muted: rgba(37, 37, 38, .68);
  --brand: #921241;
  --brand-soft: rgba(146, 18, 65, .1);
  --line: rgba(37, 37, 38, .14);
  --glass: rgba(255, 255, 255, .72);
  --max: 1180px;
  --shadow: 0 24px 80px rgba(37, 37, 38, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #f7f9fc;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 251, 255, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .72);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
}
.nav-inner {
  width: min(var(--max), calc(100% - 40px));
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; height: 38px; flex: 0 0 auto; }
.brand img { width: 182px; height: auto; display: block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #1b2940;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { opacity: .76; transition: opacity .2s ease, color .2s ease; }
.nav-links a:hover, .nav-links .active { opacity: 1; color: var(--brand); }
.nav-item { position: relative; height: 64px; display: inline-flex; align-items: center; }
.nav-trigger { display: inline-flex; align-items: center; gap: 6px; }
.nav-trigger::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: .55;
}
.dropdown {
  position: absolute;
  top: 58px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 520px;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 24px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 26px 70px rgba(37, 37, 38, .15);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown.solutions-menu { min-width: 360px; grid-template-columns: 1fr; }
.dropdown-group {
  padding: 12px;
  border-radius: 18px;
  background: rgba(248, 248, 249, .64);
  border: 1px solid rgba(37, 37, 38, .1);
}
.dropdown-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  color: #151516;
  font-size: 14px;
  font-weight: 800;
  opacity: 1 !important;
}
.dropdown-title span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
}
.dropdown-link {
  display: block;
  padding: 8px 10px;
  border-radius: 12px;
  color: #3d3d3f;
  font-size: 13px;
  line-height: 1.35;
  opacity: .82 !important;
}
.dropdown-link:hover, .dropdown-title:hover {
  background: rgba(146, 18, 65, .08);
  color: var(--brand);
  opacity: 1 !important;
}
.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid rgba(146, 18, 65, .22);
  background: rgba(255, 255, 255, .62);
  box-shadow: 0 10px 28px rgba(37, 37, 38, .08);
  font-weight: 700;
  opacity: 1 !important;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(146, 18, 65, .22);
  border-radius: 14px;
  background: rgba(255, 255, 255, .68);
  box-shadow: 0 10px 28px rgba(37, 37, 38, .08);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-toggle svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, .98), rgba(247, 243, 245, .95) 54%, rgba(238, 221, 228, .7)),
    radial-gradient(circle at 86% 34%, rgba(146, 18, 65, .14), transparent 34%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: -120px -80px -80px;
  background:
    linear-gradient(126deg, transparent 0 12%, rgba(255, 255, 255, .9) 23%, transparent 40%),
    radial-gradient(ellipse at 16% 88%, rgba(146, 18, 65, .08), transparent 42%);
}
.hero-inner {
  position: relative;
  width: min(var(--max), calc(100% - 40px));
  min-height: 560px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 54px;
  align-items: center;
  padding: 72px 0;
}
.breadcrumb { margin: 0 0 22px; color: rgba(37, 37, 38, .58); font-size: 14px; }
.breadcrumb a { color: var(--brand); font-weight: 700; }
.hero h1 {
  margin: 0;
  max-width: 720px;
  color: #0f1011;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  font-weight: 900;
}
.hero-copy > p:last-of-type {
  margin: 26px 0 0;
  max-width: 580px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}
.hero-visual {
  position: relative;
  min-height: 430px;
}
.hero-visual img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  display: block;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, .82);
  box-shadow: var(--shadow);
}
.hero-float {
  position: absolute;
  left: -22px;
  bottom: 28px;
  width: min(300px, 76%);
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 22px 60px rgba(37, 37, 38, .14);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
}
.hero-float span { display: block; color: var(--brand); font-size: 13px; font-weight: 800; }
.hero-float strong { display: block; margin-top: 8px; font-size: 28px; line-height: 1.1; }
.hero-float p { margin: 10px 0 0; color: var(--muted); line-height: 1.7; }

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}
.section.alt {
  width: 100%;
  max-width: none;
  background: linear-gradient(180deg, transparent, rgba(238, 221, 228, .34), transparent);
}
.section.alt > .inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 40px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.12;
}
.section-head p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.contact-card {
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .78);
  background: var(--glass);
  box-shadow: 0 18px 56px rgba(37, 37, 38, .09);
  backdrop-filter: blur(20px) saturate(155%);
  -webkit-backdrop-filter: blur(20px) saturate(155%);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.contact-card:hover {
  transform: translateY(-6px);
  border-color: rgba(146, 18, 65, .22);
  box-shadow: 0 24px 70px rgba(146, 18, 65, .14);
}
.cc-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--brand);
  border: 1px solid rgba(255, 255, 255, .78);
  background: linear-gradient(145deg, rgba(255, 255, 255, .86), rgba(146, 18, 65, .08));
  box-shadow: inset 0 0 0 1px rgba(146, 18, 65, .08), 0 18px 38px rgba(37, 37, 38, .1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.cc-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-card h3 { margin: 0; font-size: 19px; }
.contact-card p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.contact-card a,
.contact-card span:last-child {
  display: inline-block;
  margin-top: 10px;
  color: var(--brand);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}
.contact-card a:hover { text-decoration: underline; }

.form-layout {
  display: grid;
  grid-template-columns: 1fr .82fr;
  gap: 56px;
  align-items: start;
}
.form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(37, 37, 38, .12);
  border-radius: 14px;
  background: rgba(255, 255, 255, .74);
  color: var(--ink);
  outline: none;
}
select.field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23921241' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
textarea.field { min-height: 130px; padding-top: 16px; resize: vertical; }
.field:focus {
  border-color: rgba(146, 18, 65, .42);
  box-shadow: 0 0 0 4px rgba(146, 18, 65, .08);
}
.form .btn {
  min-height: 52px;
  border: 0;
  cursor: pointer;
  font-size: 16px;
}
.form .btn:disabled { opacity: .72; cursor: default; }
.form-side h3 { margin: 0; font-size: 22px; }
.step-list { margin-top: 24px; display: grid; gap: 18px; }
.step-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
}
.step-item span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(146, 18, 65, .1);
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
}
.step-item strong { display: block; font-size: 16px; }
.step-item p { margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.faq-card {
  padding: 28px;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .7);
  box-shadow: 0 18px 56px rgba(37, 37, 38, .08);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.faq-card:hover {
  transform: translateY(-6px);
  border-color: rgba(146, 18, 65, .22);
  box-shadow: 0 24px 70px rgba(146, 18, 65, .14);
}
.faq-card h3 { margin: 0; font-size: 19px; line-height: 1.4; }
.faq-card p { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(37, 37, 38, .12);
  color: rgba(37, 37, 38, .56);
  font-size: 14px;
}

@media (max-width: 1020px) {
  .nav-links { gap: 16px; font-size: 13px; }
  .hero-inner { grid-template-columns: 1fr; min-height: 0; }
  .hero-visual { min-height: auto; }
  .contact-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .nav-inner { width: min(100% - 28px, var(--max)); }
  .brand img { width: 152px; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 70px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, .78);
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 26px 70px rgba(37, 37, 38, .16);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
  }
  .nav-links.open { display: flex; }
  .nav-links > a, .nav-trigger { padding: 12px 10px; }
  .nav-item { height: auto; display: block; }
  .nav-trigger::after { display: none; }
  .dropdown {
    position: static;
    transform: none;
    min-width: 0;
    margin: 4px 0 12px;
    padding: 10px;
    display: grid;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border-radius: 16px;
  }
  .nav-item:hover .dropdown, .nav-item:focus-within .dropdown { transform: none; }
  .hero-inner, .section, .section.alt > .inner, .footer { width: min(100% - 28px, var(--max)); }
  .hero-inner { padding: 54px 0; gap: 34px; }
  .hero h1 { font-size: 38px; }
  .hero-visual img { height: 320px; border-radius: 24px; }
  .hero-float { position: static; width: 100%; margin-top: 14px; }
  .section { padding: 62px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 14px; }
  .contact-cards { grid-template-columns: 1fr; }
  .contact-card { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .form-layout { gap: 32px; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer { display: block; }
  .footer span { display: block; margin-top: 10px; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}