:root {
  --blue: #165dff;
  --blue-strong: #0f46c9;
  --mint: #00b42a;
  --ink: #111827;
  --text: #4b5563;
  --muted: #9ca3af;
  --line: #e5e7eb;
  --soft-line: rgba(17, 24, 39, 0.08);
  --surface: #f9fafb;
  --soft-blue: #e8f3ff;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.08);
  --shadow-blue: 0 24px 72px rgba(22, 93, 255, 0.14);
  --radius: 12px;
  --max: 1280px;
  font-family: "Inter", "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(232, 243, 255, 0.72) 0, rgba(255, 255, 255, 0) 420px),
    var(--white);
  font-family: "Inter", "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  animation: pageIn 420ms ease both;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  width: 100%;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 76px;
  padding: 0 clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: height 260ms ease, background 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.site-header.is-solid {
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(17, 24, 39, 0.07);
  box-shadow: 0 12px 34px rgba(17, 24, 39, 0.05);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
}

.brand-symbol {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  background: var(--blue);
  border-radius: 10px;
}

.brand-symbol::after {
  position: absolute;
  right: 8px;
  bottom: 7px;
  width: 10px;
  height: 18px;
  background: var(--white);
  border-radius: 6px 6px 2px 2px;
  content: "";
}

.brand-text strong,
.brand-text em {
  display: block;
  letter-spacing: 0;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 700;
}

.brand-text em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: 34px;
  color: #344054;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a,
.text-link,
.nav-button {
  transition: color 200ms ease, background 200ms ease, border-color 200ms ease, transform 200ms ease, filter 200ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.text-link:hover {
  color: var(--blue);
}

.nav-button {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  height: 40px;
  color: var(--blue);
  background: rgba(22, 93, 255, 0.08);
  border: 1px solid rgba(22, 93, 255, 0.12);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.nav-button:hover {
  background: rgba(22, 93, 255, 0.13);
  transform: translateY(-1px);
}

.section-shell {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  min-height: 780px;
  padding: 140px 0 96px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.5;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.12;
}

h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(48px, 6vw, 76px);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 52px);
}

h3 {
  margin-bottom: 14px;
  font-size: 22px;
}

p {
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
}

.hero-lede {
  max-width: 600px;
  margin-bottom: 38px;
  font-size: clamp(17px, 1.7vw, 20px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 18px 38px rgba(22, 93, 255, 0.22);
}

.button.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.button.secondary:hover {
  border-color: rgba(22, 93, 255, 0.22);
  color: var(--blue);
}

.text-link {
  color: var(--ink);
  background: none;
  border: 0;
  padding: 0;
  font-size: 15px;
  font-weight: 800;
}

.hero-media,
.image-frame {
  position: relative;
  overflow: hidden;
  background: var(--soft-blue);
  border: 1px solid rgba(22, 93, 255, 0.08);
  border-radius: 12px;
  box-shadow: var(--shadow-blue);
}

.hero-media img {
  height: 590px;
  object-fit: cover;
  filter: saturate(0.74) contrast(0.98) brightness(1.04);
  transform: translateY(var(--parallax-y, 0px)) scale(1.04);
  transition: transform 80ms linear;
}

.hero-media::before,
.image-frame::before {
  position: absolute;
  top: 0;
  left: 28px;
  z-index: 1;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.72);
  content: "";
}

.hero-note {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  width: min(260px, calc(100% - 44px));
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 10px;
  box-shadow: 0 20px 42px rgba(17, 24, 39, 0.14);
  backdrop-filter: blur(16px);
}

.hero-note span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.hero-note strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.2;
}

.section {
  padding: 112px 0;
}

.value-section,
.philosophy-section,
.owner-section {
  background: linear-gradient(180deg, var(--white), #f7fbff);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.feature-grid,
.voice-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card,
.voice-card,
.product-card,
.catalog-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(17, 24, 39, 0.055);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.feature-card:hover,
.voice-card:hover,
.product-card:hover,
.catalog-card:hover {
  border-color: rgba(22, 93, 255, 0.2);
  box-shadow: 0 24px 64px rgba(22, 93, 255, 0.12);
  transform: translateY(-3px);
}

.feature-card {
  min-height: 286px;
  padding: 30px;
}

.line-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 34px;
  color: var(--blue);
  background: var(--soft-blue);
  border-radius: 10px;
}

.line-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.products-section {
  padding: 112px 0;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  align-items: stretch;
  gap: 24px;
}

.product-card {
  padding: 32px;
}

.product-card-large {
  min-height: 456px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(140deg, rgba(10, 45, 132, 0.9), rgba(22, 93, 255, 0.78)),
    url("https://images.unsplash.com/photo-1456406644174-8ddd4cd52a06?auto=format&fit=crop&w=1200&q=86") center / cover;
}

.product-card-large h3,
.product-card-large p,
.product-card-large li,
.product-card-large .price {
  color: var(--white);
}

.product-card-large p,
.product-card-large li {
  opacity: 0.9;
}

.product-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.pill {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-height: 28px;
  padding: 0 11px;
  color: var(--blue);
  background: rgba(22, 93, 255, 0.09);
  border: 1px solid rgba(22, 93, 255, 0.13);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.pill-muted {
  color: var(--mint);
  background: rgba(0, 180, 42, 0.09);
  border-color: rgba(0, 180, 42, 0.14);
}

.pill-soft {
  color: var(--text);
  background: var(--surface);
  border-color: var(--line);
}

.price {
  color: var(--ink);
  font-size: 28px;
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 8px;
  margin: 22px 0 30px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--mint);
  border-radius: 50%;
  content: "";
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
}

.image-frame img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72) contrast(0.98) brightness(1.04);
  transform: translateY(var(--parallax-y, 0px)) scale(1.035);
}

.split-copy {
  max-width: 620px;
}

.split-copy p:last-child {
  margin-top: 24px;
  font-size: 17px;
}

.voice-card {
  margin: 0;
  padding: 30px;
}

.voice-card blockquote {
  min-height: 156px;
  margin: 0;
  color: #263244;
  font-size: 17px;
  line-height: 1.85;
}

.voice-card figcaption {
  margin-top: 26px;
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
}

.cta-band {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(232, 243, 255, 0.96), rgba(255, 255, 255, 0.78));
  border-top: 1px solid rgba(22, 93, 255, 0.08);
  border-bottom: 1px solid rgba(22, 93, 255, 0.08);
}

.cta-content {
  max-width: 760px;
  text-align: center;
}

.cta-content .hero-actions {
  justify-content: center;
  margin-top: 30px;
}

.cta-content strong {
  color: var(--ink);
}

.site-footer {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 36px;
  padding: 54px clamp(24px, 5vw, 64px) 28px;
  color: var(--text);
  background: var(--white);
}

.site-footer h2 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 14px;
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 0 0 8px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
}

.footer-brand {
  margin-bottom: 10px !important;
  color: var(--ink) !important;
  font-size: 18px !important;
  font-weight: 800;
}

.footer-bottom {
  grid-column: 1 / -1;
  margin-top: 20px !important;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted) !important;
}

.page-hero {
  padding: 156px 0 72px;
  max-width: 900px;
}

.page-hero h1 {
  margin-bottom: 24px;
}

.page-hero p:not(.eyebrow) {
  max-width: 680px;
  font-size: 19px;
}

.catalog-section {
  padding: 20px 0 112px;
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-button {
  min-height: 38px;
  padding: 0 14px;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.filter-button:hover,
.filter-button.is-active {
  color: var(--blue);
  background: rgba(22, 93, 255, 0.08);
  border-color: rgba(22, 93, 255, 0.18);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.catalog-card {
  min-height: 300px;
  padding: 26px;
}

.catalog-card[hidden] {
  display: none;
}

.catalog-card h2 {
  margin: 22px 0 12px;
  font-size: 22px;
}

.catalog-card strong {
  display: block;
  margin: 20px 0;
  color: var(--ink);
  font-size: 21px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.36);
  backdrop-filter: blur(10px);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.detail-grid div {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.detail-grid h3 {
  margin-bottom: 12px;
  font-size: 17px;
}

.detail-grid ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 18px;
  color: var(--text);
}

.owner-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: clamp(34px, 6vw, 64px);
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.owner-mark {
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  color: var(--blue);
  background: var(--soft-blue);
  border-radius: 32px;
  font-size: 64px;
  font-weight: 800;
}

.service-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 680ms ease, transform 680ms ease;
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pageIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 1060px) {
  .hero,
  .split-grid,
  .product-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .feature-grid,
  .voice-grid {
    grid-template-columns: 1fr;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: auto 1fr;
    height: 72px;
    padding: 0 18px;
  }

  .site-nav {
    display: none;
  }

  .nav-button {
    min-width: 86px;
    height: 36px;
    font-size: 13px;
  }

  .brand-text em {
    display: none;
  }

  .section-shell {
    width: min(calc(100% - 32px), var(--max));
  }

  .hero {
    padding: 118px 0 76px;
    gap: 36px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-media img {
    height: 390px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section,
  .products-section,
  .catalog-section {
    padding: 78px 0;
  }

  .page-hero {
    padding: 124px 0 54px;
  }

  .product-layout,
  .catalog-grid,
  .service-grid,
  .detail-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .voice-card,
  .product-card,
  .catalog-card,
  .modal-panel {
    padding: 24px;
  }

  .owner-card {
    grid-template-columns: 1fr;
  }

  .owner-mark {
    width: 92px;
    height: 92px;
    border-radius: 22px;
    font-size: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .parallax-media {
    transform: none !important;
  }
}