:root {
  --sy-ink: #17201c;
  --sy-muted: #6f7b75;
  --sy-line: #dce4df;
  --sy-soft: #f5f5f2;
  --sy-brand: #1b4d3e;
  --sy-brand-2: #2d6a52;
  --sy-gold: #c8a45c;
  --sy-deep: #102822;
  --sy-radius: 4px;
  --sy-shadow: 0 18px 44px rgba(16, 40, 34, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 0;
  margin: 0;
  color: var(--sy-ink);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background: var(--sy-soft);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.sy-wrap { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }

.sy-topbar {
  height: 34px;
  background: #0d5d48;
  color: #d9fbe8;
  font-size: 13px;
}
.sy-topbar .sy-wrap {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.sy-toplinks { display: flex; gap: 18px; white-space: nowrap; }

.sy-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(219, 227, 236, .9);
  backdrop-filter: blur(14px);
}
.sy-header-inner {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.sy-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 260px;
}
.sy-brand-mark {
  width: 50px;
  height: 34px;
  border-radius: 7px;
  background: linear-gradient(135deg, #0c8b63, #18bd7e);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
  flex: 0 0 auto;
}
.sy-brand-logo {
  display: none;
  max-width: 168px;
  max-height: 48px;
  object-fit: contain;
  flex: 0 0 auto;
}
.sy-brand.has-logo .sy-brand-mark {
  display: none;
}
.sy-brand.has-logo .sy-brand-logo {
  display: block;
}
.sy-brand strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: 0;
}
.sy-brand em {
  display: block;
  color: var(--sy-muted);
  font-size: 12px;
  font-style: normal;
  margin-top: 4px;
}
.sy-nav {
  display: flex;
  align-items: center;
  height: 82px;
  gap: 2px;
}
.sy-nav > a,
.sy-nav-item > a {
  display: flex;
  align-items: center;
  height: 42px;
  padding: 0 12px;
  border-radius: 6px;
  color: #334155;
  font-size: 15px;
  white-space: nowrap;
}
.sy-nav > a:hover,
.sy-nav > a.active,
.sy-nav-item > a:hover { color: var(--sy-brand); background: #eefaf4; }
.sy-nav-item {
  position: relative;
  height: 82px;
  display: flex;
  align-items: center;
}
.sy-dropdown {
  position: absolute;
  left: 0;
  top: 76px;
  width: 250px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  box-shadow: var(--sy-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: .18s ease;
}
.sy-nav-item:hover .sy-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.sy-dropdown a {
  display: block;
  padding: 11px 12px;
  border-radius: 6px;
  color: #334155;
  font-size: 14px;
}
.sy-dropdown a:hover { background: #f1f5f9; color: var(--sy-brand); }
.sy-header-btn {
  height: 40px;
  padding: 0 16px;
  border-radius: 6px;
  color: #116b51;
  background: #eafaf2;
  border: 1px solid #bdf3d0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.sy-menu-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: #f1f5f9;
  color: #334155;
  cursor: pointer;
  display: none;
}
.sy-mobile-menu {
  display: none;
  border-top: 1px solid var(--sy-line);
  background: #fff;
}
.sy-mobile-menu.open { display: block; }
.sy-mobile-menu a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid #edf2f7;
  color: #334155;
}

.sy-hero {
  position: relative;
  min-height: 740px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 38%, rgba(34, 197, 94, .23), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(14, 165, 233, .16), transparent 30%),
    linear-gradient(135deg, #061a24 0%, #092d35 46%, #0a403a 100%);
}
.sy-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(120deg, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 84px 84px, 84px 84px;
  opacity: .7;
}
.sy-hero-inner {
  position: relative;
  min-height: 740px;
  display: grid;
  grid-template-columns: 1fr 560px;
  align-items: center;
  gap: 58px;
  padding: 78px 0 120px;
}
.sy-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid rgba(134, 239, 172, .35);
  border-radius: 999px;
  color: #b7f7d0;
  background: rgba(6, 95, 70, .25);
  font-size: 14px;
}
.sy-hero h1 {
  margin: 26px 0 18px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: 0;
  font-weight: 700;
}
.sy-hero p {
  max-width: 690px;
  margin: 0;
  color: #d1dae6;
  font-size: 20px;
  line-height: 1.8;
}
.sy-hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.sy-btn {
  height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.sy-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #16a365, #22c55e);
  box-shadow: 0 12px 28px rgba(34, 197, 94, .25);
}
.sy-btn-light {
  color: #0f172a;
  background: #fff;
}
.sy-btn-ghost {
  color: #116b51;
  background: #eafaf2;
  border: 1px solid #bdf3d0;
}
.sy-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 58px;
  max-width: 560px;
}
.sy-metrics strong {
  display: block;
  font-size: 40px;
  line-height: 1;
}
.sy-metrics span {
  display: block;
  color: #9fb0bf;
  margin-top: 10px;
  font-size: 14px;
}
.sy-stage {
  position: relative;
  min-height: 540px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(255,255,255,.9), rgba(224, 236, 232, .9));
  box-shadow: 0 28px 70px rgba(0,0,0,.35);
  overflow: hidden;
}
.sy-stage:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 35% 30%, rgba(34,197,94,.14), transparent 30%),
    linear-gradient(145deg, transparent 0%, rgba(15, 23, 42, .08) 100%);
}
.sy-stage-img {
  position: absolute;
  background: #fff;
  border: 1px solid #dbe3ec;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, .2);
  padding: 10px;
}
.sy-stage-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.sy-stage-one { width: 310px; height: 220px; left: 52px; top: 90px; }
.sy-stage-two { width: 320px; height: 230px; right: 44px; top: 210px; }
.sy-stage-three { width: 270px; height: 150px; left: 125px; bottom: 58px; }
.sy-stage-note {
  position: absolute;
  left: 38px;
  right: 38px;
  bottom: 28px;
  padding: 14px 18px;
  border-radius: 999px;
  color: #ccf7df;
  background: rgba(6, 31, 36, .88);
  font-size: 14px;
}

.sy-solution-panel {
  position: relative;
  z-index: 5;
  margin-top: -76px;
}
.sy-panel {
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: 12px;
  box-shadow: var(--sy-shadow);
  padding: 34px 38px;
}
.sy-section { padding: 88px 0; }
.sy-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.sy-section-head h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: 0;
}
.sy-section-head p {
  margin: 8px 0 0;
  color: var(--sy-muted);
  line-height: 1.7;
}
.sy-more {
  color: var(--sy-brand);
  white-space: nowrap;
}
.sy-more-light { color: #b7f7d0; }
.sy-solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.sy-solution {
  min-height: 142px;
  padding: 20px;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  background: #f8fafc;
  transition: .18s ease;
}
.sy-solution:hover {
  transform: translateY(-3px);
  border-color: #8be4b1;
  background: #f0fdf4;
}
.sy-solution strong {
  display: block;
  font-size: 18px;
  margin-bottom: 10px;
}
.sy-solution span {
  color: var(--sy-muted);
  line-height: 1.6;
  font-size: 14px;
}

.sy-product-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 22px 0 30px;
}
.sy-product-tabs button {
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--sy-line);
  border-radius: 999px;
  background: #fff;
  color: #475569;
  cursor: pointer;
}
.sy-product-tabs button.active {
  color: #fff;
  background: var(--sy-brand);
  border-color: var(--sy-brand);
}
.sy-product-search {
  margin-left: auto;
  display: flex;
  gap: 8px;
}
.sy-product-search input {
  width: 260px;
  height: 40px;
  border: 1px solid var(--sy-line);
  border-radius: 6px;
  padding: 0 12px;
  background: #fff;
}
.sy-product-search button {
  height: 40px;
  padding: 0 16px;
  border-radius: 6px;
  border: 0;
  background: var(--sy-brand);
  color: #fff;
}
.sy-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.sy-product-card {
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  overflow: hidden;
  transition: .18s ease;
}
.sy-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sy-shadow);
}
.sy-product-img {
  height: 230px;
  background: #fff;
  border-bottom: 1px solid var(--sy-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.sy-product-img img {
  max-height: 100%;
  object-fit: contain;
}
.sy-product-body { padding: 20px; }
.sy-product-body h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.4;
}
.sy-product-body p {
  margin: 0;
  color: var(--sy-muted);
  line-height: 1.7;
  min-height: 48px;
}
.sy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.sy-tags span {
  padding: 5px 8px;
  color: #116b51;
  background: #eafaf2;
  border-radius: 999px;
  font-size: 12px;
}
.sy-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.sy-small-primary,
.sy-small-light {
  height: 34px;
  padding: 0 14px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.sy-small-primary { background: var(--sy-brand); color: #fff; }
.sy-small-light { background: #f1f5f9; color: #334155; border: 1px solid var(--sy-line); }

.sy-dark {
  background:
    radial-gradient(circle at 18% 15%, rgba(34,197,94,.18), transparent 28%),
    linear-gradient(135deg, #071b25, #092d35);
  color: #fff;
}
.sy-dark .sy-section-head p { color: #aec0ce; }
.sy-download-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
  align-items: start;
}
.sy-download-tabs {
  display: grid;
  gap: 10px;
}
.sy-download-tabs button {
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--sy-radius);
  padding: 18px;
  background: rgba(255,255,255,.06);
  color: #dce8ef;
  cursor: pointer;
  text-align: left;
}
.sy-download-tabs button.active {
  background: #fff;
  color: var(--sy-ink);
  border-color: #fff;
}
.sy-download-list {
  display: grid;
  gap: 14px;
}
.sy-download-list[hidden] {
  display: none !important;
}
.sy-download-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border-radius: var(--sy-radius);
  background: rgba(255,255,255,.96);
  color: var(--sy-ink);
}
.sy-download-item p {
  margin: 5px 0 0;
  color: var(--sy-muted);
  font-size: 14px;
}

.sy-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.sy-case-card {
  min-height: 240px;
  padding: 22px;
  border-radius: var(--sy-radius);
  border: 1px solid var(--sy-line);
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.sy-case-card strong { font-size: 20px; line-height: 1.45; }
.sy-case-card p { color: var(--sy-muted); line-height: 1.7; }
.sy-case-card span { color: var(--sy-brand); }

.sy-news-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.sy-news-list {
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  overflow: hidden;
}
.sy-news-list h3 {
  margin: 0;
  padding: 18px 20px;
  border-bottom: 1px solid var(--sy-line);
}
.sy-news-list a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid #edf2f7;
  color: #334155;
}
.sy-news-list a:last-child { border-bottom: 0; }
.sy-news-list span {
  color: var(--sy-muted);
  font-size: 13px;
  white-space: nowrap;
}

.sy-about-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 42px;
  align-items: center;
}
.sy-about-text {
  color: var(--sy-muted);
  line-height: 1.9;
  font-size: 16px;
}
.sy-about-img {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--sy-shadow);
  border: 1px solid var(--sy-line);
  background: #fff;
  padding: 12px;
}
.sy-service { padding-top: 0; }
.sy-service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.sy-service-grid div {
  padding: 20px;
  border-radius: var(--sy-radius);
  background: #fff;
  border: 1px solid var(--sy-line);
}
.sy-service-grid strong { display: block; margin-bottom: 8px; }
.sy-service-grid span {
  color: var(--sy-muted);
  line-height: 1.6;
  font-size: 14px;
}

.sy-contact-band {
  padding: 54px 0;
  background: #fff;
  border-top: 1px solid var(--sy-line);
}
.sy-contact-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.sy-contact-inner h2 {
  margin: 0 0 8px;
  font-size: 30px;
}
.sy-contact-inner p {
  margin: 0;
  color: var(--sy-muted);
}
.sy-footer {
  background: #071b25;
  color: #dce8ef;
  padding: 46px 0 22px;
}
.sy-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr .9fr;
  gap: 30px;
}
.sy-footer strong {
  display: block;
  color: #fff;
  margin-bottom: 12px;
  font-size: 18px;
}
.sy-footer p {
  margin: 7px 0;
  color: #9fb0bf;
  line-height: 1.7;
}
.sy-footer a {
  display: block;
  color: #9fb0bf;
  margin: 8px 0;
}
.sy-copyright {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: #7f90a0;
}
.sy-copyright a { display: inline; }
.sy-qr-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.sy-qr-card {
  display: none;
  width: 116px;
}
.sy-qr-card.is-visible {
  display: block;
}
.sy-qr-card img {
  width: 104px;
  height: 104px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--sy-radius);
  background: #fff;
  padding: 5px;
}
.sy-qr-card span,
.sy-qr-card em {
  display: block;
  margin-top: 7px;
  color: #dce8ef;
  font-size: 13px;
  line-height: 1.45;
}
.sy-qr-card em {
  color: #8ea1ae;
  font-size: 12px;
  font-style: normal;
}

.sy-float-tools {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: grid;
  gap: 10px;
}
.sy-float-tools a,
.sy-float-tools button {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--sy-shadow);
  color: var(--sy-brand);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sy-inner-hero,
.sy-detail-hero {
  color: #fff;
  background:
    radial-gradient(circle at 76% 20%, rgba(34,197,94,.22), transparent 24%),
    linear-gradient(135deg, #061a24, #0a403a);
  padding: 72px 0 76px;
}
.sy-inner-hero p,
.sy-detail-hero p {
  margin: 0 0 14px;
  color: #b6c6d2;
}
.sy-inner-hero h1,
.sy-detail-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.22;
  letter-spacing: 0;
}
.sy-inner-hero span,
.sy-detail-hero span {
  display: block;
  max-width: 820px;
  margin-top: 18px;
  color: #dce8ef;
  line-height: 1.8;
}
.sy-inner-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}
.sy-sidebar {
  position: sticky;
  top: 110px;
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  overflow: hidden;
}
.sy-sidebar-title {
  padding: 20px;
  color: #fff;
  background: #0d5d48;
  font-size: 20px;
  font-weight: 700;
}
.sy-sidebar-nav {
  display: grid;
  padding: 10px;
}
.sy-sidebar-nav a {
  padding: 13px 12px;
  border-radius: 6px;
  color: #334155;
  border-bottom: 1px solid #edf2f7;
}
.sy-sidebar-nav a:last-child { border-bottom: 0; }
.sy-sidebar-nav a:hover,
.sy-sidebar-nav a.active {
  background: #eefaf4;
  color: var(--sy-brand);
}
.sy-sidebar-contact {
  margin: 10px;
  padding: 18px;
  border-radius: var(--sy-radius);
  background: #f0fdf4;
}
.sy-sidebar-contact span {
  display: block;
  color: var(--sy-muted);
  font-size: 13px;
}
.sy-sidebar-contact strong {
  display: block;
  color: #0d5d48;
  font-size: 22px;
  margin: 8px 0 14px;
}
.sy-sidebar-contact a {
  display: inline-flex;
  height: 34px;
  padding: 0 14px;
  align-items: center;
  border-radius: 5px;
  color: #fff;
  background: var(--sy-brand);
}
.sy-inner-main {
  min-width: 0;
}
.sy-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.sy-article-list {
  display: grid;
  gap: 16px;
}
.sy-article-list article {
  padding: 24px;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  background: #fff;
}
.sy-article-list time {
  display: block;
  color: var(--sy-brand);
  font-size: 13px;
  margin-bottom: 8px;
}
.sy-article-list h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.42;
}
.sy-article-list p {
  margin: 0;
  color: var(--sy-muted);
  line-height: 1.8;
}
.sy-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.sy-list-meta span,
.sy-list-meta em {
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  color: #116b51;
  background: #eafaf2;
  font-size: 12px;
  font-style: normal;
}
.sy-list-meta em {
  color: #667085;
  background: #f1f5f9;
}
.sy-list-meta span:empty,
.sy-list-meta em:empty {
  display: none;
}
.sy-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.sy-pages a,
.sy-pages span,
.sy-pages .page-num-current,
.sy-pages .page-num {
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sy-line);
  border-radius: 5px;
  background: #fff;
  color: #334155;
}
.sy-pages .page-num-current {
  color: #fff;
  background: var(--sy-brand);
  border-color: var(--sy-brand);
}
.sy-detail-layout {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 42px;
  align-items: center;
}
.sy-detail-media {
  border: 1px solid var(--sy-line);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--sy-shadow);
  padding: 24px;
  min-height: 390px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sy-detail-media img {
  max-height: 340px;
  object-fit: contain;
}
.sy-detail-gallery {
  display: grid;
  gap: 16px;
  align-content: center;
}
.sy-detail-gallery-main {
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sy-detail-gallery-main img {
  max-height: 320px;
}
.sy-detail-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.sy-detail-thumbs button {
  width: 74px;
  height: 58px;
  padding: 4px;
  border: 1px solid var(--sy-line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  flex: 0 0 auto;
}
.sy-detail-thumbs button.active {
  border-color: var(--sy-brand);
  box-shadow: inset 0 0 0 1px var(--sy-brand);
}
.sy-detail-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.sy-detail-summary {
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: 14px;
  padding: 34px;
}
.sy-detail-kicker {
  color: var(--sy-brand);
  font-weight: 700;
  margin-bottom: 12px;
}
.sy-detail-summary h2 {
  margin: 0 0 16px;
  font-size: 34px;
  line-height: 1.25;
}
.sy-detail-summary p {
  margin: 0;
  color: var(--sy-muted);
  line-height: 1.9;
}
.sy-detail-content,
.sy-article-detail {
  margin-top: 46px;
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: 14px;
  padding: 34px;
}
.sy-article-detail {
  max-width: 960px;
}
.sy-detail-content h2 {
  margin: 0 0 20px;
  font-size: 26px;
}
.sy-richtext {
  color: #334155;
  line-height: 1.9;
  font-size: 16px;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.sy-richtext * {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.sy-richtext img {
  max-width: 100%;
  height: auto !important;
  margin: 14px 0;
}
.sy-richtext table {
  max-width: 100%;
  border-collapse: collapse;
  table-layout: auto;
  overflow-x: auto;
}
.sy-richtext td,
.sy-richtext th {
  border: 1px solid var(--sy-line);
  padding: 8px;
}
.sy-prev-next {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0;
  padding-top: 18px;
  border-top: 1px solid var(--sy-line);
  color: var(--sy-muted);
}
.sy-prev-next-clean {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.sy-prev-next-clean div {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  background: #f9faf7;
  color: #334155;
  overflow-wrap: anywhere;
}
.sy-prev-next-clean div:last-child {
  text-align: right;
}
.sy-prev-next-clean span {
  display: block;
  margin-bottom: 6px;
  color: var(--sy-muted);
  font-size: 13px;
}
.sy-related-grid {
  grid-template-columns: repeat(4, 1fr);
}
.sy-contact-page {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 38px;
  align-items: start;
}
.sy-contact-page h2 {
  margin: 0 0 12px;
  font-size: 32px;
}
.sy-contact-page p {
  color: var(--sy-muted);
  line-height: 1.8;
}
.sy-contact-card,
.sy-message-form {
  background: #fff;
  border: 1px solid var(--sy-line);
  border-radius: var(--sy-radius);
  padding: 24px;
}
.sy-contact-card strong {
  display: block;
  font-size: 20px;
  margin-bottom: 12px;
}
.sy-message-form {
  display: grid;
  gap: 16px;
}
.sy-message-form label {
  display: grid;
  gap: 8px;
  color: #334155;
}
.sy-message-form input,
.sy-message-form textarea {
  width: 100%;
  border: 1px solid var(--sy-line);
  border-radius: 6px;
  padding: 12px;
  background: #fff;
}
.sy-message-form textarea {
  min-height: 160px;
  resize: vertical;
}
.sy-hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.sy-code-field span {
  display: grid;
  grid-template-columns: 1fr 118px;
  gap: 10px;
  align-items: center;
}
.sy-code-field img {
  width: 118px;
  height: 44px;
  border: 1px solid var(--sy-line);
  border-radius: 6px;
  background: #fff;
  object-fit: cover;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .sy-nav, .sy-header-btn { display: none; }
  .sy-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .sy-hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 54px 0 120px;
  }
  .sy-stage { min-height: 480px; }
  .sy-solution-grid,
  .sy-product-grid,
  .sy-case-grid,
  .sy-service-grid,
  .sy-news-layout,
  .sy-about-layout,
  .sy-download-layout,
  .sy-contact-inner,
  .sy-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .sy-download-layout,
  .sy-about-layout,
  .sy-contact-inner,
  .sy-inner-layout,
  .sy-detail-layout,
  .sy-contact-page { grid-template-columns: 1fr; }
  .sy-sidebar { position: static; }
  .sy-product-search {
    width: 100%;
    margin-left: 0;
  }
  .sy-product-search input { flex: 1; width: auto; }
}

@media (max-width: 700px) {
  .sy-wrap { width: min(100% - 28px, 1200px); }
  .sy-topbar { display: none; }
  .sy-header-inner { height: 70px; }
  .sy-brand { min-width: 0; }
  .sy-brand strong { font-size: 21px; }
  .sy-brand em { display: none; }
  .sy-hero h1 { font-size: 38px; }
  .sy-hero p { font-size: 17px; }
  .sy-metrics,
  .sy-solution-grid,
  .sy-product-grid,
  .sy-case-grid,
  .sy-service-grid,
  .sy-news-layout,
  .sy-footer-grid {
    grid-template-columns: 1fr;
  }
  .sy-panel { padding: 24px 18px; }
  .sy-section { padding: 62px 0; }
  .sy-section-head {
    display: block;
  }
  .sy-section-head h2 { font-size: 28px; }
  .sy-stage-one { left: 24px; top: 62px; width: 250px; height: 180px; }
  .sy-stage-two { right: 22px; top: 214px; width: 245px; height: 178px; }
  .sy-stage-three { display: none; }
  .sy-stage-note { left: 22px; right: 22px; bottom: 22px; border-radius: 8px; }
  .sy-download-item { grid-template-columns: 1fr; }
  .sy-list-grid,
  .sy-related-grid { grid-template-columns: 1fr; }
  .sy-detail-content,
  .sy-article-detail { padding: 22px; }
  .sy-prev-next { display: grid; }
}

/* Brand fusion landing upgrade, 2026-05-06 */
.sy-topbar { background: var(--sy-brand); color: rgba(255,255,255,.88); }
.sy-header {
  background: rgba(255,255,255,.96);
  border-bottom-color: var(--sy-line);
}
.sy-header-inner { height: 78px; }
.sy-brand-mark {
  width: 44px;
  height: 34px;
  border-radius: 3px;
  background: var(--sy-brand);
  box-shadow: none;
  position: relative;
}
.sy-brand-mark:after {
  content: "";
  position: absolute;
  left: 10px;
  right: -9px;
  bottom: -6px;
  height: 2px;
  background: var(--sy-gold);
}
.sy-brand strong { font-size: 25px; font-weight: 800; }
.sy-nav > a,
.sy-nav-item > a {
  height: 78px;
  border-radius: 0;
  padding: 0 13px;
  border-bottom: 2px solid transparent;
}
.sy-nav > a:hover,
.sy-nav > a.active,
.sy-nav-item > a:hover {
  color: var(--sy-brand);
  background: transparent;
  border-color: var(--sy-brand);
}
.sy-header-btn {
  border-radius: var(--sy-radius);
  color: var(--sy-brand);
  background: #fff;
  border-color: var(--sy-brand);
  font-weight: 700;
}
.sy-hero {
  min-height: 670px;
  background: var(--sy-deep);
}
.sy-hero:before {
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .5;
}
.sy-hero:after {
  content: "";
  position: absolute;
  inset: auto -8% -20% auto;
  width: 58%;
  height: 68%;
  background: radial-gradient(circle, rgba(45,106,82,.42), transparent 66%);
}
.sy-hero-inner {
  min-height: 670px;
  grid-template-columns: 1fr .94fr;
  gap: 68px;
  padding: 72px 0 62px;
}
.sy-eyebrow {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--sy-gold);
  gap: 10px;
}
.sy-eyebrow:before {
  content: "";
  width: 38px;
  height: 1px;
  background: var(--sy-gold);
}
.sy-hero h1 {
  margin: 24px 0 0;
  color: #fff;
  font-size: clamp(44px, 5vw, 70px);
  line-height: 1.08;
  max-width: 720px;
  white-space: pre-line;
}
.sy-hero-motto {
  margin: 24px 0 0;
  color: rgba(255,255,255,.72);
  font-size: 21px;
  line-height: 1.6;
  max-width: 720px;
}
.sy-hero p {
  margin-top: 22px;
  color: rgba(255,255,255,.76);
  font-size: 17px;
  line-height: 1.9;
}
.sy-btn-primary {
  color: #0a0f0d;
  background: var(--sy-gold);
  box-shadow: none;
  font-weight: 800;
}
.sy-btn-light {
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255,255,255,.36);
  font-weight: 800;
}
.sy-btn-ghost {
  color: var(--sy-brand);
  background: #fff;
  border-color: var(--sy-brand);
}
.sy-metrics {
  margin-top: 56px;
  max-width: 650px;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.16);
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.sy-metrics div {
  padding: 20px 18px 18px 0;
  border-right: 1px solid rgba(255,255,255,.16);
}
.sy-metrics div:last-child { border-right: 0; }
.sy-metrics strong { color: var(--sy-gold); font-size: 32px; }
.sy-metrics span { color: rgba(255,255,255,.66); }
.sy-stage {
  min-height: 500px;
  border-radius: 0;
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
  box-shadow: none;
  overflow: visible;
}
.sy-stage:before {
  inset: 34px 0 34px 34px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.22);
}
.sy-stage-img {
  border-radius: 3px;
  border-color: rgba(255,255,255,.38);
  box-shadow: 0 18px 44px rgba(0,0,0,.24);
}
.sy-stage-one { width: 315px; height: 230px; left: 0; top: 78px; }
.sy-stage-two { width: 330px; height: 235px; right: 0; top: 190px; }
.sy-stage-three { width: 265px; height: 150px; left: 112px; bottom: 20px; }
.sy-stage-note {
  left: 0;
  right: auto;
  bottom: 0;
  max-width: 390px;
  border-radius: var(--sy-radius);
  background: rgba(10,15,13,.82);
  color: rgba(255,255,255,.82);
}
.sy-solution-panel { margin-top: 0; background: #fff; }
.sy-panel {
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  box-shadow: none;
  padding: 68px 0 44px;
}
.sy-section-head h2 {
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 800;
}
.sy-section-head p { max-width: 790px; }
.sy-solution-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--sy-line);
  counter-reset: solution;
}
.sy-solution {
  min-height: 210px;
  border: 0;
  border-right: 1px solid var(--sy-line);
  border-bottom: 1px solid var(--sy-line);
  border-radius: 0;
  background: #fff;
  padding: 42px 36px 34px;
  position: relative;
}
.sy-solution:nth-child(3n) { border-right: 0; }
.sy-solution:nth-last-child(-n+3) { border-bottom: 0; }
.sy-solution:before {
  counter-increment: solution;
  content: counter(solution, decimal-leading-zero);
  display: block;
  color: var(--sy-gold);
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 42px;
}
.sy-solution:hover {
  transform: none;
  border-color: var(--sy-line);
  background: #f9faf7;
}
.sy-solution strong { font-size: 25px; }
.sy-solution span { font-size: 16px; color: var(--sy-muted); }
.sy-product-tabs button.active,
.sy-product-search button,
.sy-small-primary {
  background: var(--sy-brand);
}
.sy-product-card,
.sy-news-list,
.sy-service-grid div,
.sy-contact-card,
.sy-message-form,
.sy-sidebar,
.sy-detail-summary,
.sy-detail-content,
.sy-article-detail {
  border-radius: var(--sy-radius);
}
.sy-tags span,
.sy-tags a {
  max-width: 100%;
  overflow-wrap: anywhere;
}
.sy-dark {
  background: var(--sy-deep);
}
.sy-download-tabs button.active {
  border-left: 4px solid var(--sy-gold);
}
.sy-case-grid { align-items: stretch; }
.sy-customer-card {
  gap: 18px;
  min-height: 300px;
}
.sy-customer-logo {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.sy-customer-logo img {
  max-width: 180px;
  max-height: 70px;
  object-fit: contain;
}
.sy-case-meta {
  display: grid;
  gap: 8px;
}
.sy-case-meta span {
  width: fit-content;
  padding: 5px 8px;
  color: var(--sy-brand);
  background: #eef6f1;
  font-size: 12px;
}
.sy-case-meta em {
  color: var(--sy-muted);
  font-style: normal;
  font-size: 14px;
  line-height: 1.6;
}
.sy-product-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 22px 0 6px;
}
.sy-product-proof div,
.sy-product-modules section {
  border: 1px solid var(--sy-line);
  background: #f9faf7;
  border-radius: var(--sy-radius);
  padding: 16px;
}
.sy-product-proof strong,
.sy-product-modules h2 {
  display: block;
  margin: 0 0 8px;
  color: var(--sy-brand);
  font-size: 16px;
}
.sy-product-proof span,
.sy-product-modules p,
.sy-module-richtext {
  margin: 0;
  color: var(--sy-muted);
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.sy-module-richtext {
  font-size: 15px;
}
.sy-module-richtext p,
.sy-module-richtext ul,
.sy-module-richtext ol {
  margin: 0 0 8px;
}
.sy-module-richtext p:last-child,
.sy-module-richtext ul:last-child,
.sy-module-richtext ol:last-child {
  margin-bottom: 0;
}
.sy-module-richtext ul,
.sy-module-richtext ol {
  padding-left: 1.2em;
}
.sy-module-richtext a {
  color: var(--sy-brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.sy-module-richtext table {
  width: 100%;
  border-collapse: collapse;
}
.sy-module-richtext td,
.sy-module-richtext th {
  border: 1px solid var(--sy-line);
  padding: 8px;
}
.sy-product-modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.sy-stage-slider {
  padding: 30px;
  overflow: hidden;
}
.sy-stage-slider:before {
  inset: 30px;
  pointer-events: none;
}
.sy-stage-frame {
  position: relative;
  z-index: 1;
  height: 390px;
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.94);
  overflow: hidden;
}
.sy-stage-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity .42s ease, transform .42s ease;
}
.sy-stage-slide.active {
  opacity: 1;
  transform: scale(1);
}
.sy-stage-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.sy-stage-dots {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.sy-stage-dots button {
  width: 34px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.28);
  cursor: pointer;
}
.sy-stage-dots button.active {
  background: var(--sy-gold);
}
.sy-stage-slider .sy-stage-note {
  left: 30px;
  right: 30px;
  bottom: 30px;
  max-width: none;
  z-index: 2;
}

@media (max-width: 1100px) {
  .sy-hero-inner { grid-template-columns: 1fr; }
  .sy-stage { max-width: 620px; }
  .sy-solution-grid { grid-template-columns: repeat(2, 1fr); }
  .sy-solution:nth-child(3n) { border-right: 1px solid var(--sy-line); }
  .sy-solution:nth-child(2n) { border-right: 0; }
  .sy-solution:nth-last-child(-n+3) { border-bottom: 1px solid var(--sy-line); }
  .sy-solution:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 700px) {
  .sy-header-inner { height: 70px; }
  .sy-hero { min-height: 0; }
  .sy-hero-inner { min-height: 0; padding: 48px 0 70px; }
  .sy-hero h1 { font-size: 40px; }
  .sy-hero-motto { font-size: 17px; }
  .sy-stage { display: none; }
  .sy-metrics div { border-right: 0; }
  .sy-panel { padding: 44px 0 34px; }
  .sy-solution-grid { grid-template-columns: 1fr; }
  .sy-solution,
  .sy-solution:nth-child(2n),
  .sy-solution:nth-child(3n),
  .sy-solution:nth-last-child(-n+2),
  .sy-solution:nth-last-child(-n+3) {
    border-right: 0;
    border-bottom: 1px solid var(--sy-line);
  }
  .sy-solution:last-child { border-bottom: 0; }
  .sy-product-proof,
  .sy-product-modules { grid-template-columns: 1fr; }
}