:root {
  --ink: #0c1a24;
  --ink-2: #163040;
  --steel: #1e4a66;
  --signal: #e6a23c;
  --signal-hover: #f0b44f;
  --teal: #1a9b8e;
  --paper: #eef2f5;
  --panel: #f7f9fb;
  --line: #d5dee6;
  --muted: #5a6d7a;
  --white: #ffffff;
  --shadow: 0 12px 40px rgba(12, 26, 36, 0.12);
  --radius: 4px;
  --nav-h: 72px;
  --font-display: "Sora", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Sora", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  backdrop-filter: blur(14px);
  background: rgba(12, 26, 36, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  min-width: 0;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  height: 44px;
  width: auto;
  max-width: min(160px, 42vw);
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: stretch;
  gap: 8px 22px;
  height: 100%;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 100%;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.is-active,
[data-nav].is-active > .nav-link,
a.nav-link.is-active {
  color: var(--white);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: stretch;
}

.nav-item.has-drop {
  position: static;
}

.nav-item > .nav-link {
  width: 100%;
}

.nav-search {
  display: flex;
  align-items: center;
  align-self: center;
  height: 40px;
  min-width: 200px;
  max-width: 260px;
  background: var(--signal);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}

.nav-phone {
  display: inline-flex;
  align-items: center;
  align-self: center;
  margin-left: 4px;
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.nav-phone:hover { opacity: 0.85; }
.nav-phone.is-plain { color: rgba(255, 255, 255, 0.88); font-weight: 500; }

.nav-item.has-drop > .nav-link::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: 2px;
  opacity: 0.7;
}

.nav-drop.mega-drop {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  min-width: 0;
  padding: 0;
  margin: 0;
  background: #fff;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: 0 24px 48px rgba(8, 19, 27, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
  z-index: 70;
}

.nav-drop.mega-drop::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 18px;
}

.nav-item:hover > .nav-drop.mega-drop,
.nav-item:focus-within > .nav-drop.mega-drop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mega-panel {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 26px;
  color: var(--ink);
}

.mega-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.mega-all {
  font-weight: 700;
  color: var(--steel);
}

.mega-head span {
  font-size: 12px;
  color: var(--muted);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px 10px;
}

.mega-col .mega-title {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.35;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.mega-col .mega-title:hover {
  color: var(--teal);
}

.mega-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-col li + li {
  margin-top: 4px;
}

.mega-col a {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
  padding: 0;
  border-radius: 0;
  white-space: normal;
}

.mega-col ul a:hover {
  color: var(--steel);
  background: transparent;
}

/* 桌面：默认只显示二级标题，三级系列折叠为浮层（悬停 / 聚焦 / 点击展开） */
@media (min-width: 1101px) {
  .mega-l2.has-sub {
    position: relative;
  }

  .mega-l2.has-sub > .mega-l2-sub {
    display: none;
    position: absolute;
    left: 0;
    top: calc(100% + 2px);
    z-index: 90;
    min-width: max(100%, 176px);
    max-width: 260px;
    max-height: min(58vh, 400px);
    overflow: auto;
    padding: 10px 12px;
    margin: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 14px 32px rgba(12, 26, 36, 0.16);
  }

  .mega-l2.has-sub:hover > .mega-l2-sub,
  .mega-l2.has-sub:focus-within > .mega-l2-sub,
  .mega-l2.has-sub.is-open > .mega-l2-sub {
    display: block;
  }

  .mega-col:nth-last-child(-n + 2) .mega-l2.has-sub > .mega-l2-sub {
    left: auto;
    right: 0;
  }
}

.nav-search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  padding: 0 12px;
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
}

.nav-search input::placeholder {
  color: rgba(12, 26, 36, 0.55);
  font-weight: 500;
}

.nav-search button {
  width: 40px;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.nav-search button:hover {
  background: rgba(12, 26, 36, 0.08);
}

.nav-toggle {
  display: none;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: white;
  border-radius: var(--radius);
  cursor: pointer;
  place-items: center;
  gap: 5px;
  align-content: center;
  justify-items: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(12, 26, 36, 0.92) 28%, rgba(12, 26, 36, 0.45) 58%, rgba(12, 26, 36, 0.2) 100%),
    url("../img/hero.jpg")
      center / cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-out forwards;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, black 40%, transparent 85%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 72px 0 88px;
  max-width: 720px;
  animation: riseIn 0.9s ease both;
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

.hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 0 32px;
  max-width: 34em;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--signal-hover);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost.dark {
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost.dark:hover {
  border-color: var(--steel);
  background: var(--panel);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--ink-2);
}

.btn-line {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
}

.btn-line:hover {
  border-color: var(--steel);
}

.btn-sm {
  min-height: 36px;
  padding: 0 12px;
  font-size: 12px;
}

/* Section */
.section {
  padding: 72px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 38em;
}

/* Category rail */
.cat-rail {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  background: rgba(238, 242, 245, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.cat-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
}

.cat-scroll::-webkit-scrollbar {
  display: none;
}

.cat-chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-2);
  padding: 10px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  white-space: nowrap;
  scroll-snap-align: center;
  touch-action: manipulation;
}

.cat-chip:hover {
  border-color: var(--steel);
}

.cat-chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
  transform: scale(1.04);
}

.product-grid.is-slide-next {
  animation: catSlideInNext 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.product-grid.is-slide-prev {
  animation: catSlideInPrev 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes catSlideInNext {
  from {
    opacity: 0.35;
    transform: translateX(28%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes catSlideInPrev {
  from {
    opacity: 0.35;
    transform: translateX(-28%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cat-scroll {
    scroll-behavior: auto;
  }

  .product-grid.is-slide-next,
  .product-grid.is-slide-prev,
  .cat-chip.active,
  .brand-card,
  .brand-hero-bg,
  .case-card,
  .case-hero-bg,
  .about-hero-bg,
  .contact-hero-bg {
    animation: none;
    transform: none;
  }
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.search-box {
  flex: 1 1 280px;
  position: relative;
}

.search-box input {
  width: 100%;
  height: 46px;
  padding: 0 14px 0 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  outline: none;
}

.search-box input:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(30, 74, 102, 0.12);
}

.search-box svg,
.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.45;
  font-size: 14px;
  line-height: 1;
  pointer-events: none;
  z-index: 1;
}

.result-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* Product grid — 瀑布流 */
.product-grid {
  columns: 3 280px;
  column-gap: 18px;
}

.product-grid.is-loading::after {
  content: "加载产品…";
  display: block;
  padding: 12px 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  break-inside: avoid;
}

.product-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
  break-inside: avoid;
  margin: 0 0 18px;
  width: 100%;
  color: inherit;
  text-decoration: none;
}

.product-item.is-enter {
  animation: riseIn 0.45s ease both;
}

.product-item:hover {
  border-color: #9eb4c4;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.product-media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #d5dee6, #e8eef2);
  min-height: 140px;
}

.product-media img {
  width: 100%;
  height: auto;
  max-height: 260px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #dce5ec;
  transition: transform 0.5s ease, opacity 0.35s ease;
  opacity: 0;
}

.product-media img.is-loaded {
  opacity: 1;
}

.product-item:nth-child(3n + 1) .product-media img {
  aspect-ratio: 4 / 3;
  max-height: 220px;
}

.product-item:nth-child(3n + 2) .product-media img {
  aspect-ratio: 1 / 1;
  max-height: 240px;
}

.product-item:nth-child(3n) .product-media img {
  aspect-ratio: 3 / 4;
  max-height: 280px;
}

.product-item:hover .product-media img {
  transform: scale(1.04);
}

.product-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  background: var(--signal);
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.product-body {
  padding: 18px 18px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-brand {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.product-body h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
  font-family: var(--font-display);
}

.product-model {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.product-summary {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.spec-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.spec {
  font-size: 11px;
  padding: 4px 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--steel);
  border-radius: 2px;
  font-family: var(--font-mono);
}

.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 18px 18px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.file-count {
  font-size: 12px;
  color: var(--muted);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  color: var(--muted);
  border: 1px dashed var(--line);
  background: var(--white);
}

/* How it works */
.flow {
  background: var(--ink);
  color: var(--white);
}

.flow .section-head h2,
.flow .section-head p {
  color: rgba(255, 255, 255, 0.92);
}

.flow .section-head p {
  color: rgba(255, 255, 255, 0.62);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.flow-item {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.05), transparent 55%);
}

.flow-item .num {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 13px;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.flow-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
}

.flow-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

/* Contact strip */
.contact-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 36px;
}

.contact-strip h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 28px;
}

.contact-strip p {
  margin: 0;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: end;
}

.contact-strip-qr {
  grid-template-columns: 1fr auto;
  gap: 28px;
}

.contact-strip-qr .contact-actions {
  justify-content: start;
  margin-top: 18px;
}

.home-wechat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.home-wechat-qr {
  width: 148px;
  height: 148px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
}

.home-wechat span {
  font-size: 13px;
  color: var(--muted);
}

.phone {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: #08131b;
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0 28px;
  font-size: 13px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-brand strong {
  display: block;
  color: white;
  font-size: 16px;
  margin-bottom: 6px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
}

.beian-links {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.beian-links a {
  color: rgba(255, 255, 255, 0.62);
  transition: color 0.2s;
}

.beian-links a:hover {
  color: rgba(255, 255, 255, 0.92);
}

.beian-police {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.beian-police img {
  width: 14px;
  height: 16px;
  flex-shrink: 0;
}

/* Drawer / Detail */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 19, 27, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 80;
}

.overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(720px, 100%);
  height: 100%;
  background: var(--panel);
  z-index: 90;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.25);
}

.drawer.open {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.drawer-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 22px;
}

.drawer-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.drawer-body {
  overflow: auto;
  padding: 24px;
  flex: 1;
}

.detail-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

.gallery {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.gallery-main {
  position: relative;
  border: 1px solid var(--line);
  background: #fff;
  box-sizing: border-box;
  overflow: hidden;
}

.gallery-main > img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  box-sizing: border-box;
  padding: 10px;
  border: 0;
  background: #fff;
  cursor: zoom-in;
}

.gallery-main:hover {
  outline: 1px solid var(--teal);
  outline-offset: -1px;
}

.gallery-hint {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(12, 28, 38, 0.65);
  color: #fff;
  font-size: 11px;
  font-family: var(--font-mono);
  pointer-events: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 14, 20, 0.88);
  padding: 48px 56px;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  padding: 12px;
  box-sizing: border-box;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(12, 28, 38, 0.85);
  color: #fff;
  cursor: pointer;
  border-radius: 4px;
}

.lightbox-close {
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  font-size: 26px;
  line-height: 1;
  z-index: 2;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  font-size: 28px;
  line-height: 1;
}

.lightbox-prev {
  left: 16px;
}

.lightbox-next {
  right: 16px;
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(12, 28, 38, 1);
}

.lightbox-meta {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  padding: 6px 12px;
  border-radius: 4px;
  background: rgba(12, 28, 38, 0.75);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.lightbox-nav[hidden] {
  display: none;
}

.gallery-nav {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.gallery-btn {
  pointer-events: auto;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(12, 28, 38, 0.72);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.gallery-btn:hover {
  background: rgba(12, 28, 38, 0.9);
}

.gallery-count {
  pointer-events: none;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(12, 28, 38, 0.72);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
}

.gallery-thumbs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.gallery-thumb {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 4px;
  box-sizing: border-box;
  cursor: pointer;
  overflow: hidden;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: #fff;
  pointer-events: none;
}

.gallery-thumb.active {
  border-color: var(--teal);
  box-shadow: inset 0 0 0 1px var(--teal);
}

.gallery-thumb:hover {
  border-color: var(--steel);
}

.detail-copy p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tab {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}

.tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}

.tab.is-empty {
  color: #9aa6b2;
  border-color: #d7dee5;
  background: #f3f6f8;
  font-weight: 600;
}

.tab.is-empty.active {
  background: #c5ced6;
  border-color: #c5ced6;
  color: #5f6b76;
}

.panel-block {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 4px;
}

.info-block {
  padding: 18px 16px 20px;
}

.info-block h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
}

.info-block h4 {
  margin: 20px 0 10px;
  font-size: 14px;
}

.info-block p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.info-empty {
  padding: 18px 16px;
}

.info-empty strong {
  display: block;
  margin-bottom: 8px;
}

.info-empty p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.75;
}

.feature-list li + li {
  margin-top: 6px;
}

.param-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0 0 16px;
}

.param-meta div {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 10px 12px;
}

.param-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 4px;
}

.param-meta dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.param-table-wrap {
  overflow-x: auto;
  margin-bottom: 8px;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.param-table th,
.param-table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.param-table th {
  background: #eef3f6;
  font-size: 12px;
  font-weight: 800;
}

.param-table td:first-child {
  white-space: nowrap;
  color: var(--muted);
  width: 96px;
}

.file-row,
.video-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
}

.file-row:last-child,
.video-row:last-child {
  border-bottom: none;
}

.file-meta strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.file-meta span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.badge-latest {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  background: rgba(26, 155, 142, 0.12);
  color: var(--teal);
  font-size: 10px;
  font-weight: 800;
  border-radius: 2px;
  vertical-align: middle;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: white;
  padding: 12px 18px;
  border-radius: var(--radius);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 100;
  font-size: 13px;
  box-shadow: var(--shadow);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .product-grid {
    columns: 2 220px;
  }

  .flow-grid,
  .detail-hero,
  .contact-strip {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: start;
  }

  .home-wechat {
    justify-self: start;
  }

  .site-header {
    overflow: visible;
    backdrop-filter: none;
    background: rgba(12, 26, 36, 0.96);
  }

  .nav,
  .nav .container {
    overflow: visible;
  }

  .nav-links {
    display: none;
    height: auto;
  }

  .nav-toggle {
    display: grid;
  }

  .brand-logo {
    height: 38px;
  }

  .nav {
    gap: 12px;
    position: relative;
  }

  .container {
    width: min(1180px, calc(100% - 32px));
  }

  .nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    z-index: 55;
    background: rgba(8, 19, 27, 0.55);
  }

  .nav-backdrop.open {
    display: block;
  }

  .nav-links.open {
    display: flex !important;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    max-height: calc(100vh - var(--nav-h) - 8px);
    max-height: calc(100dvh - var(--nav-h) - 8px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #0c1a24;
    padding: 14px 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    z-index: 60;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  }

  .nav-links.open .nav-search {
    order: -1;
    align-self: stretch;
    margin: 0 0 12px;
    max-width: none;
    width: 100%;
    min-width: 0;
    height: 44px;
  }

  .nav-links.open .nav-phone {
    order: -1;
    width: 100%;
    margin: 0 0 14px;
    padding: 10px 0;
    justify-content: center;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open .nav-item,
  .nav-links.open .nav-item.has-drop {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open .nav-link,
  .nav-links.open > a.nav-link {
    display: flex;
    width: 100%;
    height: auto;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
  }

  .nav-links.open .nav-item.has-drop > .nav-link {
    border-bottom: 0;
    padding-bottom: 8px;
  }

  .nav-links.open .nav-item.has-drop > .nav-link::after {
    display: none;
  }

  .nav-links.open .nav-drop.mega-drop,
  .nav-links.open .nav-item:hover > .nav-drop.mega-drop,
  .nav-links.open .nav-item:focus-within > .nav-drop.mega-drop {
    position: static;
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none !important;
    width: 100%;
    background: transparent;
    box-shadow: none;
    border: 0;
    padding: 0;
  }

  .nav-links.open .mega-panel {
    width: 100%;
    padding: 0;
    color: rgba(255, 255, 255, 0.9);
  }

  .nav-links.open .mega-head {
    border-color: rgba(255, 255, 255, 0.1);
    margin-bottom: 10px;
    padding-bottom: 10px;
  }

  .nav-links.open .mega-all {
    color: var(--signal);
  }

  .nav-links.open .mega-head span {
    display: none;
  }

  .nav-links.open .mega-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .nav-links.open .mega-col {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open .mega-col .mega-title {
    color: rgba(255, 255, 255, 0.92);
    padding: 12px 0;
    margin: 0;
    border: 0;
  }

  .nav-links.open .mega-col .mega-title::after {
    content: "+";
    float: right;
    opacity: 0.6;
  }

  .nav-links.open .mega-col.is-open .mega-title::after {
    content: "−";
  }

  .nav-links.open .mega-col ul {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 0 0 12px;
  }

  .nav-links.open .mega-col .mega-l2 {
    display: none;
  }

  .nav-links.open .mega-col.is-open .mega-l2 {
    display: block;
    margin-top: 0;
    padding: 0 0 10px;
  }

  .nav-links.open .mega-col.is-open .mega-l2 ul {
    display: grid;
  }

  .nav-links.open .mega-col.is-open ul {
    display: grid;
  }

  .nav-links.open .mega-l2-title {
    color: rgba(255, 255, 255, 0.75);
    padding: 6px 0;
  }

  .nav-links.open .mega-col ul a {
    padding: 10px 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.88);
    text-align: center;
    font-size: 12px;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .product-grid {
    columns: 1;
  }

  .cat-rail {
    padding: 10px 0;
  }

  .cat-scroll {
    gap: 10px;
    padding-inline: 2px;
    scroll-padding-inline: 16px;
    scroll-snap-type: x mandatory;
  }

  .cat-chip {
    padding: 11px 18px;
    font-size: 14px;
  }

  .hero-content {
    padding: 56px 0 64px;
  }

  .section {
    padding: 52px 0;
  }
}

/* Page shells — base typography; visual skin overridden later by banner heroes */
.page-hero .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0;
  max-width: 36em;
}

.section-alt {
  background: var(--panel);
}

.home-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.home-cat-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.home-cat-card:hover {
  border-color: #9eb4c4;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.home-cat-card strong {
  font-size: 17px;
}

.home-cat-card span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.home-featured {
  columns: unset;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.home-featured .product-item {
  margin: 0;
  height: 100%;
  min-height: 0;
  break-inside: auto;
}

.home-featured .product-media {
  min-height: 0;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
}

.home-featured .product-media img,
.home-featured .product-item:nth-child(n) .product-media img {
  height: 100%;
  max-height: none;
  aspect-ratio: auto;
  object-fit: cover;
  opacity: 1;
}

.home-featured .product-body {
  flex: 1 1 auto;
  min-height: 148px;
}

.home-featured .product-summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}

.home-featured .product-foot {
  margin-top: auto;
}

@media (max-width: 960px) {
  .home-featured {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .home-featured {
    grid-template-columns: 1fr;
  }
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--ink);
}

.product-page-title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -0.02em;
}

.product-detail-hero {
  margin-bottom: 28px;
  align-items: start;
}

.product-page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.inline-tag {
  position: static;
  display: inline-block;
  margin: 8px 0 12px;
}

.page-empty {
  text-align: center;
  padding: 64px 20px;
}

.page-empty .btn {
  margin-top: 16px;
}

.partners-page {
  --partner-red: #c8102e;
  --partner-red-soft: rgba(200, 16, 46, 0.08);
  background: #f4f5f7;
}

.partners-hero {
  padding: 40px 0 8px;
  background: #f4f5f7;
}

.partners-hero-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.partners-eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #9aa3ad;
  font-weight: 600;
}

.partners-hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.partners-lead {
  margin: 10px 0 0;
  max-width: 36em;
  color: var(--muted);
  font-size: 14px;
}

.partners-search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: min(420px, 100%);
  flex: 1 1 280px;
  max-width: 460px;
  padding: 0 16px;
  height: 48px;
  background: var(--white);
  border: 1px solid #e2e6ea;
  border-radius: 999px;
  color: var(--muted);
  box-shadow: 0 4px 16px rgba(12, 26, 36, 0.04);
}

.partners-search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  min-width: 0;
  color: var(--ink);
}

.partners-section {
  padding-top: 24px;
  padding-bottom: 20px;
  background: #f4f5f7;
}

.partners-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.partners-side {
  background: var(--white);
  border: 1px solid #e5e8ec;
  border-radius: 10px;
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-h) + 12px);
}

.partners-side-nav {
  display: flex;
  flex-direction: column;
}

.partners-side-item {
  appearance: none;
  border: 0;
  border-bottom: 1px solid #eef1f4;
  background: transparent;
  text-align: left;
  padding: 14px 16px 14px 18px;
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
  position: relative;
  transition: background 0.15s, color 0.15s;
}

.partners-side-item:last-child {
  border-bottom: 0;
}

.partners-side-item:hover {
  background: #fafbfc;
  color: var(--partner-red);
}

.partners-side-item.is-active {
  color: var(--partner-red);
  font-weight: 700;
  background: #fff;
}

.partners-side-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--partner-red);
}

.partners-side-all {
  color: var(--muted);
  font-size: 13px;
}

.partners-meta {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
}

.partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.partners-page .partner-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 16px;
  background: var(--white);
  border: 1px solid #e5e8ec;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(12, 26, 36, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  transform: none;
}

.partners-page .partner-card:hover {
  border-color: #d7dde3;
  box-shadow: 0 10px 28px rgba(12, 26, 36, 0.08);
  transform: translateY(-2px);
}

.partner-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.partner-card-id {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 0;
}

.partners-page .partner-avatar {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--partner-red);
  color: #fff;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.partner-name {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 700;
}

.partner-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: #eef1f4;
  color: #6b7785;
  font-size: 12px;
}

.partner-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--partner-red);
  color: #fff !important;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.partner-btn:hover {
  filter: brightness(1.05);
}

.partner-summary {
  margin: 0;
  color: #6b7785;
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.partner-card-foot {
  margin-top: auto;
  display: flex;
  justify-content: flex-end;
  padding-top: 4px;
}

.partner-more {
  color: var(--partner-red) !important;
  font-size: 13px;
  font-weight: 600;
}

.partners-empty {
  grid-column: 1 / -1;
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  background: var(--white);
  border: 1px dashed #d5dee6;
  border-radius: 12px;
}

.partners-adv {
  background: #f4f5f7;
  padding-top: 28px;
  padding-bottom: 64px;
}

.partners-adv-title {
  margin: 0 0 28px;
  text-align: center;
  font-size: 1.5rem;
  font-family: var(--font-display);
}

.partners-adv-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
}

.partners-adv-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  color: #4a5a68;
  font-size: 28px;
}

.partners-search i,
.nav-search button i,
.search-box i,
.catalog-filter-btn i {
  flex-shrink: 0;
}

.contact-label i {
  margin-right: 4px;
}

.partners-adv-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.partners-adv-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (max-width: 960px) {
  .partners-layout {
    grid-template-columns: 1fr;
  }

  .partners-side {
    position: static;
  }

  .partners-side-nav {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0;
  }

  .partners-side-item {
    flex: 0 0 auto;
    border-bottom: 0;
    border-right: 1px solid #eef1f4;
    white-space: nowrap;
    padding: 12px 14px;
  }

  .partners-side-item.is-active::before {
    top: auto;
    bottom: 0;
    left: 12px;
    right: 12px;
    width: auto;
    height: 3px;
    border-radius: 2px 2px 0 0;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .partners-adv-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 640px) {
  .partners-hero {
    padding-top: 28px;
  }

  .partners-search {
    max-width: none;
    min-width: 0;
    width: 100%;
  }

  .partner-card-top {
    flex-direction: column;
  }

  .partner-btn {
    align-self: flex-start;
  }
}

.contact-page {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: start;
}

.contact-cards {
  display: grid;
  gap: 12px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s;
}

.contact-card:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
}

.contact-wechat {
  cursor: default;
}

.contact-wechat:hover {
  transform: none;
}

.wechat-qr-wrap {
  margin: 8px 0 4px;
  padding: 10px;
  width: fit-content;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.wechat-qr {
  width: 220px;
  height: 220px;
  object-fit: contain;
  image-rendering: pixelated;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-card strong {
  font-size: 22px;
  font-family: var(--font-display);
}

.contact-card span:last-child {
  color: var(--teal);
  font-size: 13px;
}

.contact-note {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-note h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.contact-note ul {
  margin: 0 0 20px;
  padding-left: 1.2em;
  color: var(--ink-2);
}

.contact-note li + li {
  margin-top: 6px;
}

@media (max-width: 1100px) {
  .mega-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px 8px;
  }
  .mega-col .mega-title {
    font-size: 12px;
  }
  .mega-l2-title,
  .mega-col ul a {
    font-size: 11px;
  }
}

@media (max-width: 960px) {
  .home-cat-grid,
  .contact-page {
    grid-template-columns: 1fr;
  }

  .mega-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 产品中心：左侧分类 + 列表 */
.page-hero-compact {
  padding: 36px 0 20px;
}

.products-section {
  padding-top: 28px;
}

.products-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.catalog-side {
  position: sticky;
  top: calc(var(--nav-h) + 12px);
  max-height: calc(100vh - var(--nav-h) - 24px);
  overflow: auto;
  padding: 14px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-all,
.side-group-title,
.side-l1-title,
.catalog-side a {
  display: block;
  color: var(--ink-2);
  text-decoration: none;
}

.side-all {
  font-weight: 700;
  padding: 8px 10px;
  margin-bottom: 8px;
  border-radius: 3px;
}

.side-all.active,
.side-l1-title.active,
.side-group-title.active,
.catalog-side li a.active {
  background: rgba(30, 74, 102, 0.08);
  color: var(--steel);
}

.side-l1 + .side-l1 {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.side-l1-title {
  font-weight: 800;
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 3px;
  color: var(--ink);
  position: relative;
  padding-right: 28px;
}

.side-l1-title::after,
.side-group-title::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 400;
  color: var(--muted);
}

.side-l1.is-open > .side-l1-title::after,
.side-group.is-open > .side-group-title::after {
  content: "−";
}

.side-l2-wrap {
  display: none;
  margin-left: 14px;
  padding: 2px 0 4px 10px;
  border-left: 2px solid rgba(30, 74, 102, 0.12);
}

.side-l1.is-open .side-l2-wrap {
  display: block;
}

.side-group + .side-group {
  margin-top: 2px;
}

.side-group-title {
  font-weight: 700;
  font-size: 13px;
  padding: 8px 28px 8px 10px;
  border-radius: 3px;
  position: relative;
}

.side-group ul {
  list-style: none;
  margin: 0;
  padding: 0 0 4px 8px;
  display: none;
}

.side-group.is-open ul {
  display: block;
}

.side-group li a {
  padding: 6px 10px 6px 12px;
  font-size: 12px;
  color: var(--muted);
  border-radius: 3px;
}

.side-group li a:hover,
.side-all:hover,
.side-l1-title:hover,
.side-group-title:hover {
  color: var(--steel);
  background: rgba(30, 74, 102, 0.05);
}

.mega-l2 {
  margin-top: 10px;
  position: relative;
}

.mega-l2-head {
  display: flex;
  align-items: center;
  gap: 2px;
  min-height: 22px;
}

.mega-l2-title {
  flex: 1;
  min-width: 0;
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: 0;
  line-height: 1.35;
}

.mega-l2-title:hover {
  color: var(--steel);
}

.mega-l2-toggle {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 4px;
  position: relative;
  color: var(--muted);
}

.mega-l2-toggle:hover {
  background: rgba(30, 74, 102, 0.08);
  color: var(--steel);
}

.mega-l2-toggle::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -2px);
  transition: transform 0.15s ease;
}

.mega-l2.is-open > .mega-l2-head .mega-l2-toggle::before,
.mega-l2:hover > .mega-l2-head .mega-l2-toggle::before,
.mega-l2:focus-within > .mega-l2-head .mega-l2-toggle::before {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.mega-l2 ul,
.mega-l2-sub {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-l2 li + li {
  margin-top: 4px;
}

@media (max-width: 1100px) {
  .mega-l2-toggle {
    display: none;
  }
}

.products-main .toolbar {
  margin-bottom: 16px;
}

.products-list-grid {
  columns: unset;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.products-list-grid .product-item {
  margin: 0;
  height: auto;
}

/* 一行一条：横向列表 */
.products-list-grid .product-item.product-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: stretch;
  min-height: 140px;
  transform: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.products-list-grid .product-item.product-row:hover {
  transform: none;
}

.products-list-grid .product-item.product-row:hover .product-media img {
  transform: none;
}

.products-list-grid .product-row .product-media {
  grid-row: 1 / -1;
  aspect-ratio: auto;
  min-height: 140px;
  height: 100%;
  background: #fff;
}

.products-list-grid .product-row .product-media img,
.products-list-grid .product-row:nth-child(n) .product-media img {
  width: 100%;
  height: 100%;
  max-height: none;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
  background: #fff;
  opacity: 1;
}

.products-list-grid .product-row .product-body {
  grid-column: 2;
  padding: 16px 18px 8px;
  gap: 6px;
  justify-content: center;
}

.products-list-grid .product-row .product-summary {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.products-list-grid .product-row .product-foot {
  grid-column: 2;
  padding: 8px 18px 16px;
  border-top: 0;
}

.products-list-grid .product-row .product-row-meta {
  display: none;
}

.catalog-mobile-bar,
.catalog-backdrop {
  display: none;
}

.product-row-meta {
  display: none;
}

@media (max-width: 960px) {
  .products-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .catalog-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: sticky;
    top: var(--nav-h);
    z-index: 40;
    margin: 0 0 14px;
    padding: 10px 12px;
    background: rgba(248, 250, 252, 0.96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
  }

  .catalog-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid var(--steel);
    border-radius: 3px;
    background: var(--steel);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
  }

  .catalog-active-label {
    flex: 1;
    min-width: 0;
    text-align: right;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .catalog-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(12, 26, 36, 0.45);
  }

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

  .catalog-side {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 80;
    width: min(86vw, 320px);
    max-height: none;
    margin: 0;
    padding: 20px 14px 28px;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--line);
    box-shadow: 8px 0 28px rgba(12, 26, 36, 0.18);
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }

  body.catalog-open .catalog-side {
    transform: translateX(0);
  }

  body.catalog-open {
    overflow: hidden;
  }

  .side-group-title {
    font-size: 15px;
    padding: 12px 12px;
  }

  .side-group li a {
    font-size: 14px;
    padding: 10px 12px 10px 20px;
  }

  .products-section {
    padding-top: 16px;
  }

  .products-main .toolbar {
    margin-bottom: 12px;
  }

  .products-list-grid .product-item.product-row {
    grid-template-columns: 38% minmax(0, 1fr);
    min-height: 148px;
  }

  .products-list-grid .product-row .product-media {
    min-height: 148px;
  }

  .products-list-grid .product-row .product-body {
    padding: 14px 14px 6px;
  }

  .products-list-grid .product-row .product-summary {
    display: -webkit-box;
    -webkit-line-clamp: 3;
  }

  .products-list-grid .product-row .product-foot {
    display: none;
  }

  .products-list-grid .product-row .product-row-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
  }

  .products-list-grid .product-row .product-row-cta {
    font-size: 13px;
    font-weight: 700;
    color: var(--steel);
    white-space: nowrap;
  }

  .products-list-grid .product-row .product-tag {
    left: 8px;
    top: 8px;
    font-size: 10px;
    padding: 3px 6px;
  }
}

@media (max-width: 640px) {
  .mega-grid {
    grid-template-columns: 1fr;
  }

  .products-list-grid .product-item.product-row {
    grid-template-columns: 38% minmax(0, 1fr);
    min-height: 156px;
  }

  .products-list-grid .product-row .product-media {
    min-height: 156px;
  }

  .products-list-grid .product-row .product-body {
    padding: 12px 12px 8px;
  }

  .products-list-grid .product-row .product-body h3 {
    font-size: 17px;
  }

  .page-hero-compact {
    padding: 28px 0 14px;
  }

  .page-hero-compact h1 {
    font-size: clamp(1.5rem, 6vw, 1.85rem);
  }

  .page-hero-compact p {
    font-size: 14px;
  }
}

@media (min-width: 481px) and (max-width: 960px) {
  .products-list-grid .product-row .product-summary {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    min-height: 0;
  }
}

/* ===== 20260729 栏目升级 / AI / 悬浮条 ===== */
.nav-links { gap: 4px 14px; }
@media (max-width: 1100px) {
  .nav-search { display: none; }
}

.hero-v2 h1 {
  font-size: clamp(22px, 3.2vw, 40px);
  white-space: nowrap;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}
@media (max-width: 360px) {
  .hero-v2 h1 {
    font-size: 18px;
    letter-spacing: -0.04em;
  }
}
.hero-v2 .hero-lead {
  max-width: 36em;
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  margin: 0 0 22px;
}
.hero-cta-3 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-cta-3 .btn { font-size: 13px; }
.btn-line.light {
  border-color: rgba(255,255,255,0.45);
  color: #fff;
  background: transparent;
}
.btn-line.light:hover { background: rgba(255,255,255,0.08); }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-trust span {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.62);
  font-family: var(--font-mono);
}

.section-head { margin-bottom: 28px; max-width: 40em; }
.section-head.compact { margin-bottom: 18px; }
.section-head h2 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--muted); }
.section-cta { margin-top: 22px; }

.chain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.chain-card {
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  min-height: 0;
  overflow: hidden;
  transition: border-color .2s ease, transform .28s ease, box-shadow .28s ease;
}
.chain-card:hover {
  border-color: var(--steel);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(12, 26, 36, 0.1);
}
.chain-card-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #d8e0e6;
}
.chain-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}
.chain-card:hover .chain-card-media img {
  transform: scale(1.05);
}
.chain-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px 18px;
}
.chain-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  letter-spacing: 0.06em;
}
.chain-card strong {
  font-size: 18px;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.chain-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.chain-go {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--steel);
}

.home-demo-section {
  padding-top: 12px;
}

.dual-section {
  padding-top: 12px;
}
.dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.dual-card {
  display: block;
  position: relative;
  overflow: hidden;
  min-height: 300px;
  border-radius: 2px;
  color: #fff;
  isolation: isolate;
}
.dual-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: transform .6s ease;
  z-index: 0;
}
.dual-card:hover .dual-card-bg {
  transform: scale(1.08);
}
.dual-card-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(115deg, rgba(8, 18, 26, 0.88) 0%, rgba(8, 18, 26, 0.62) 48%, rgba(8, 18, 26, 0.28) 100%);
}
.dual-card-equipment .dual-card-shade {
  background:
    linear-gradient(115deg, rgba(10, 28, 30, 0.9) 0%, rgba(14, 48, 46, 0.68) 50%, rgba(10, 28, 30, 0.3) 100%);
}
.dual-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  padding: 28px 26px;
}
.dual-label {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.72);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  border-bottom: 1px solid rgba(255,255,255,0.28);
  padding-bottom: 6px;
}
.dual-card h3 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.4vw, 28px);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.dual-card p {
  margin: 0 0 18px;
  color: rgba(255,255,255,0.82);
  max-width: 28em;
  line-height: 1.55;
  font-size: 14px;
}
.dual-link {
  font-size: 13px;
  color: #d7ebf5;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.dual-card:hover .dual-link {
  color: #fff;
}

.brand-strip-section {
  background:
    linear-gradient(180deg, #f3f6f8 0%, var(--bg, #eef2f5) 100%);
}
.brand-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.brand-tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 18px 18px 16px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .2s ease;
}
.brand-tile:hover {
  border-color: var(--steel);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(12, 26, 36, 0.1);
}
.brand-tile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 2px;
}
.brand-mark {
  min-width: 42px;
  width: auto;
  height: 28px;
  padding: 0 8px;
  display: inline-grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}
.brand-badge {
  font-size: 11px;
  color: var(--teal);
  border: 1px solid rgba(30, 110, 120, 0.35);
  background: rgba(30, 110, 120, 0.08);
  padding: 4px 8px;
  letter-spacing: 0.04em;
}
.brand-tile strong {
  display: block;
  font-size: 18px;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.brand-tile em {
  font-style: normal;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.brand-tile-cats {
  font-size: 12px;
  color: var(--steel);
  line-height: 1.45;
}
.brand-tile-go {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
}

/* legacy chip fallback if still referenced */
.brand-chip {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.brand-chip strong { display: block; font-size: 15px; }
.brand-chip em { font-style: normal; color: var(--muted); font-size: 12px; }

.product-row-actions, .product-foot-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.product-row-cta.inquire { color: var(--steel); font-weight: 600; }
.product-body h3 a:hover { color: var(--steel); }

.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 64px 0 48px;
  min-height: 220px;
  color: #f2f6f9;
  border-bottom: 0;
  background-color: #0c1a24;
  background-image:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.72) 46%, rgba(12, 26, 36, 0.45) 100%),
    var(--page-hero-img, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230, 162, 60, 0.55), transparent);
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .eyebrow {
  color: #7fd4c8;
  letter-spacing: 0.12em;
}
.page-hero h1 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
}
.page-hero > .container > p {
  max-width: 42em;
  color: rgba(232, 240, 246, 0.82);
  margin: 0;
}
.page-hero-control   { --page-hero-img: url("../img/banners/banner-control.jpg"); }
.page-hero-precision { --page-hero-img: url("../img/banners/banner-precision.jpg"); }
.page-hero-chain     { --page-hero-img: url("../img/banners/banner-chain.jpg"); }
.page-hero-factory   { --page-hero-img: url("../img/banners/banner-factory.jpg"); }

/* light stats/tabs on dark hero */
.page-hero .stat-row div {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}
.page-hero .stat-row b { color: #fff; }
.page-hero .stat-row span { color: rgba(232, 240, 246, 0.7); }
.page-hero .path-tabs button {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: #e8f0f6;
}
.page-hero .path-tabs button.is-active {
  background: var(--signal);
  border-color: var(--signal);
  color: #12202a;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.stat-row div {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--line);
}
.stat-row b { display: block; font-size: 22px; font-family: var(--font-display); }
.stat-row span { font-size: 12px; color: var(--muted); }

/* ========== Products page ========== */
.products-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(280px, 36vw, 400px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.products-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.68) 46%, rgba(12, 26, 36, 0.38) 100%),
    url("../img/banners/banner-chain.jpg") center/cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.products-hero-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 44px;
  max-width: 720px;
}
.products-hero h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.02em;
}
.products-hero-inner > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  line-height: 1.6;
  max-width: 36em;
}
.products-page-section {
  padding-top: 28px;
}
.products-entry-section {
  padding-top: 8px;
}
.products-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  background:
    linear-gradient(120deg, rgba(30, 74, 102, 0.08), transparent 50%),
    var(--white);
  border: 1px solid var(--line);
}
.products-entry h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
}
.products-entry p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 720px) {
  .products-entry {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 20px;
  }
  .products-hero-inner { padding: 56px 0 36px; }
}

/* ========== Brands page ========== */
.brand-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(320px, 42vw, 460px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.brand-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.68) 46%, rgba(12, 26, 36, 0.38) 100%),
    url("../img/banners/banner-brands.jpg?v=20260730p") center/cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.brand-hero-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 48px;
  max-width: 720px;
}
.brand-hero-kicker {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.02em;
  color: #9fd8cf;
}
.brand-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: -0.03em;
}
.brand-hero-inner > p {
  margin: 0 0 22px;
  color: rgba(232, 240, 246, 0.84);
  max-width: 34em;
  line-height: 1.7;
}
.brand-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.brand-stats-band {
  background: #0f1f2a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.brand-stat {
  padding: 22px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #e8f0f6;
}
.brand-stat:last-child { border-right: 0; }
.brand-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.brand-stat span {
  font-size: 13px;
  color: rgba(232, 240, 246, 0.62);
}

.brand-intro-section { padding-top: 56px; padding-bottom: 20px; }
.brand-intro {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr;
  gap: 40px;
  align-items: center;
}
.brand-intro-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
}
.brand-intro-copy > p {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 36em;
  line-height: 1.75;
}
.brand-intro-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.brand-intro-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-2);
}
.brand-intro-points i {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: rgba(26, 155, 142, 0.1);
  color: var(--teal);
  font-size: 14px;
  flex-shrink: 0;
}

.brand-intro-mosaic {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  min-height: 360px;
}
.brand-intro-mosaic figure {
  margin: 0;
  overflow: hidden;
  background: #102531;
  position: relative;
}
.brand-intro-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease;
}
.brand-intro-mosaic figure:hover img {
  transform: scale(1.04);
}
.brand-mosaic-main {
  grid-row: 1 / span 2;
  min-height: 360px;
}
.brand-mosaic-main::after,
.brand-mosaic-a::after,
.brand-mosaic-b::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 18, 28, 0.35));
  pointer-events: none;
}

.brand-matrix-section { padding-top: 40px; }
.brand-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 26px;
  flex-wrap: wrap;
  position: sticky;
  top: 72px;
  z-index: 5;
  padding: 14px 0 12px;
  background: linear-gradient(180deg, var(--panel) 70%, transparent);
}
.brand-toolbar-copy h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
}
.brand-toolbar-copy p {
  margin: 0;
  color: var(--muted);
}
.brand-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.brand-filters button {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 9px 14px;
  cursor: pointer;
  border-radius: 2px;
  font-size: 13px;
  color: var(--ink);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.brand-filters button:hover {
  border-color: var(--steel);
}
.brand-filters button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.brand-matrix-head {
  margin-bottom: 18px;
  max-width: 42em;
}
.brand-matrix-head h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
}
.brand-matrix-head p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.brand-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.brand-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 100%;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  animation: brandCardIn 0.55s ease both;
  animation-delay: calc(var(--i, 0) * 60ms);
}
@keyframes brandCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.brand-card:hover {
  border-color: rgba(30, 74, 102, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(12, 26, 36, 0.1);
}
.brand-card-media {
  position: relative;
  height: 200px;
  background: #102531;
  overflow: hidden;
}
.brand-card-media-empty {
  background:
    linear-gradient(135deg, #102531, #1e4a66);
}
.brand-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.brand-card:hover .brand-card-media img {
  transform: scale(1.06);
}
.brand-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 18, 28, 0.45));
  pointer-events: none;
}
.brand-card-body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.brand-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.brand-mark-chip {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 28px;
  padding: 0 10px;
  background: #102531;
  color: #fff;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.auth-badge {
  font-size: 11px;
  padding: 4px 8px;
  background: rgba(26, 155, 142, 0.12);
  color: var(--teal);
  font-weight: 600;
}
.auth-badge-muted {
  background: rgba(90, 109, 122, 0.12);
  color: var(--muted);
}
.brand-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
}
.brand-en {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-body);
  font-size: 0.62em;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  vertical-align: baseline;
}
.brand-en-inline {
  margin-left: 4px;
  font-size: 0.78em;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.brand-blurb {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
}
.brand-detail {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  flex: 1;
  line-height: 1.65;
}
.brand-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.brand-cats span {
  font-size: 11px;
  padding: 4px 8px;
  background: var(--panel);
  color: var(--muted);
}
.brand-card-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.brand-coverage {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.brand-coverage-head h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
}
.brand-coverage-head p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
}
.brand-chain-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.brand-chain-chip {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 16px 16px 16px 14px;
  cursor: pointer;
  border-radius: 2px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 2px;
  align-items: center;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.brand-chain-chip i {
  grid-row: 1 / span 2;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: rgba(30, 74, 102, 0.08);
  color: var(--steel);
  font-size: 14px;
}
.brand-chain-chip:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
  background: #fbfcfd;
}
.brand-chain-chip strong {
  font-family: var(--font-display);
  font-size: 15px;
}
.brand-chain-chip span {
  font-size: 12px;
  color: var(--muted);
}

.brand-footnote {
  margin-top: 32px;
  padding: 24px 26px;
  background:
    linear-gradient(110deg, rgba(16, 37, 49, 0.04), transparent 45%),
    var(--white);
  border: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.brand-footnote p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 42em;
  line-height: 1.65;
}
.brand-footnote-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .brand-intro { grid-template-columns: 1fr; }
  .brand-intro-mosaic { min-height: 280px; }
  .brand-mosaic-main { min-height: 280px; }
  .brand-cards,
  .brand-chain-chips { grid-template-columns: 1fr 1fr; }
  .brand-stats { grid-template-columns: 1fr 1fr; }
  .brand-stat:nth-child(2) { border-right: 0; }
  .brand-stat:nth-child(1),
  .brand-stat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .brand-toolbar { top: 64px; }
}
@media (max-width: 640px) {
  .brand-cards,
  .brand-chain-chips { grid-template-columns: 1fr; }
  .brand-card-media { height: 180px; }
  .brand-intro-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 200px 140px;
    min-height: 0;
  }
  .brand-mosaic-main {
    grid-column: 1 / -1;
    grid-row: 1;
    min-height: 200px;
  }
  .brand-stats { grid-template-columns: 1fr 1fr; }
  .brand-hero-inner { padding: 56px 0 36px; }
}

.path-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.path-tabs button {
  border: 1px solid var(--line); background: var(--white); padding: 8px 14px; cursor: pointer; border-radius: 2px;
}
.path-tabs button.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

.solution-intro-section { padding-bottom: 12px; }
.solution-intro {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.solution-intro-visual {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  background: #102531;
}
.solution-intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
}
.solution-intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 0;
}
.solution-intro-copy .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}
.solution-intro-copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
}
.solution-intro-copy > p {
  margin: 0 0 20px;
  color: var(--muted);
  max-width: 34em;
}
.solution-path-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.solution-path-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--white);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.solution-path-card:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
}
.solution-path-card strong {
  font-family: var(--font-display);
  font-size: 16px;
}
.solution-path-card span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.solution-list-head {
  margin-bottom: 22px;
}
.solution-list-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 24px;
}
.solution-list-head p {
  margin: 0;
  color: var(--muted);
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.solution-list.sol-demo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.solution-list.sol-demo-grid .solution-card {
  display: flex;
  width: 100%;
  margin: 0;
}
.solution-list.sol-demo-grid .sol-demo-card .solution-media {
  aspect-ratio: 16 / 7;
}
.solution-list.sol-demo-grid .sol-demo-card .solution-body {
  padding: 12px 12px 12px;
  gap: 0;
}
.solution-list.sol-demo-grid .sol-demo-card h2 {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 0;
}
.solution-list.sol-demo-grid .sol-demo-card .solution-meta {
  margin-bottom: 6px;
  gap: 6px;
}
.solution-list.sol-demo-grid .sol-demo-card .solution-chip {
  padding: 2px 6px;
  font-size: 11px;
}
.solution-list.sol-demo-grid .empty-state {
  grid-column: 1 / -1;
}
.sol-demo-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 22px;
}
.sol-demo-more-wrap[hidden] { display: none !important; }
.sol-demo-more {
  min-width: 160px;
}
.sol-demo-summary {
  margin-bottom: 0;
}
.sol-demo-summary .solution-block p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sol-detail-layer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: rgba(8, 16, 24, 0.58);
  overflow: auto;
}
.sol-detail-layer[hidden] { display: none !important; }
body.sol-detail-open { overflow: hidden; }
.sol-detail-panel {
  position: relative;
  width: min(860px, 100%);
  max-height: min(88vh, 920px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 28px 70px rgba(8, 16, 24, 0.32);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sol-detail-close {
  position: absolute;
  right: 12px;
  top: 10px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 0;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.sol-detail-close:hover { color: var(--teal); }
.sol-detail-scroll {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.sol-detail-media {
  aspect-ratio: 21 / 9;
  background: #102531;
}
.sol-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sol-detail-copy {
  padding: 22px 24px 24px;
}
.sol-detail-copy h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.sol-detail-copy .solution-meta { margin-bottom: 10px; }
.sol-detail-copy .solution-flow { gap: 12px; }
.sol-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px) {
  .sol-detail-layer { padding: 0; place-items: stretch; }
  .sol-detail-panel {
    width: 100%;
    max-height: none;
    min-height: 100%;
    border: 0;
  }
  .sol-detail-media { aspect-ratio: 16 / 9; }
  .sol-detail-copy { padding: 18px 16px 28px; }
}
.sol-demo-card .solution-actions {
  margin-top: auto;
  padding-top: 10px;
  gap: 8px;
  justify-content: space-between;
}
.sol-demo-card .solution-actions .btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}
.sol-demo-toggle {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}
.sol-demo-card.is-flash {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.sol-demo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -8px 0 18px;
}
.sol-demo-chip {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.sol-demo-chip:hover { border-color: var(--steel); }
.sol-demo-chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.sol-demo-clear {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
}
.sol-demo-clear:hover { color: var(--ink); }
.sol-demos-head {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px 28px;
  flex-wrap: wrap;
}
.sol-demos-head > div:first-child {
  max-width: 46em;
}
.sol-demo-search {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  min-width: min(100%, 320px);
  flex: 1 1 280px;
  max-width: 420px;
}
.sol-demo-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--white);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.sol-demo-search-box:focus-within {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(30, 74, 102, 0.1);
}
.sol-demo-search-box i {
  color: var(--muted);
  font-size: 13px;
}
.sol-demo-search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  padding: 12px 0;
  font-size: 14px;
  color: var(--ink);
}
.sol-demo-search-box input::placeholder {
  color: var(--muted);
}
.sol-demo-meta {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.solution-card {
  display: flex;
  flex-direction: column;
  max-width: none;
  margin: 0;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}
.solution-card:hover {
  border-color: rgba(30, 74, 102, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(12, 26, 36, 0.08);
}
.solution-card.is-reverse {
  grid-template-columns: 1fr;
}
.solution-card.is-reverse .solution-media,
.solution-card.is-reverse .solution-body { order: initial; }
.solution-media {
  position: relative;
  aspect-ratio: 16 / 8;
  min-height: 0;
  background: #102531;
}
.solution-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  display: block;
}
.solution-media-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 9px;
  background: rgba(12, 26, 36, 0.78);
  color: #fff;
  font-size: 12px;
}
.solution-body {
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.solution-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  font-family: var(--font-body);
}
.solution-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 12px;
  background: rgba(26, 155, 142, 0.1);
  color: var(--teal);
  font-weight: 600;
}
.solution-chip.soft {
  background: var(--panel);
  color: var(--muted);
  font-weight: 500;
}
.solution-card h2 {
  margin: 0 0 14px;
  font-size: clamp(18px, 2vw, 21px);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.35;
}
.solution-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  flex: 1;
}
.solution-block {
  margin: 0;
  padding: 12px 14px;
  background: var(--panel);
  border-left: 3px solid var(--teal);
}
.solution-step {
  display: inline-block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal);
}
.solution-block h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.solution-block h3 i { display: none; }
.solution-block p,
.solution-block ul {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.solution-block ul {
  padding-left: 1.05em;
  display: grid;
  gap: 4px;
}
.solution-block .pros li { margin: 0; }
.solution-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .solution-list.sol-demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .solution-list { grid-template-columns: 1fr; }
  .solution-list.sol-demo-grid { grid-template-columns: 1fr; }
  .sol-demos-head { align-items: stretch; }
  .sol-demo-search { align-items: stretch; max-width: none; }
  .solution-intro {
    grid-template-columns: 1fr;
  }
  .solution-card,
  .solution-card.is-reverse {
    grid-template-columns: 1fr;
  }
  .solution-card.is-reverse .solution-media,
  .solution-card.is-reverse .solution-body { order: initial; }
  .solution-media { aspect-ratio: 16 / 9; }
  .solution-path-cards { grid-template-columns: 1fr; }
  .solution-body { padding: 18px; }
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.service-card {
  background: var(--white); border: 1px solid var(--line); padding: 26px; min-height: 200px;
}
.service-icon {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: rgba(30,74,102,0.08); color: var(--steel); margin-bottom: 14px;
}
.service-card h2 { margin: 0 0 8px; font-size: 20px; }
.service-card p { margin: 0 0 16px; color: var(--muted); }
.text-link { color: var(--steel); font-weight: 600; font-size: 14px; }
.service-promise {
  margin-top: 28px; padding: 24px; background: var(--white); border: 1px solid var(--line);
}
.service-promise h2 { margin: 0 0 10px; font-size: 18px; }
.service-promise ul { margin: 0; padding-left: 1.1em; color: var(--muted); }

/* ========== Cases / About / Contact pages ========== */
.case-hero,
.about-hero,
.contact-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(300px, 40vw, 440px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.case-hero-bg,
.about-hero-bg,
.contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.case-hero-bg {
  background:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.66) 48%, rgba(12, 26, 36, 0.36) 100%),
    url("../img/banners/banner-cases.jpg?v=20260730p") center/cover no-repeat;
}
.about-hero-bg {
  background:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.66) 48%, rgba(12, 26, 36, 0.36) 100%),
    url("../img/banners/banner-precision.jpg") center/cover no-repeat;
}
.contact-hero-bg {
  background:
    linear-gradient(105deg, rgba(8, 18, 28, 0.92) 0%, rgba(12, 26, 36, 0.66) 48%, rgba(12, 26, 36, 0.36) 100%),
    url("../img/banners/banner-control.jpg") center/cover no-repeat;
}
.case-hero-inner,
.about-hero-inner,
.contact-hero-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 48px;
  max-width: 720px;
}
.case-hero h1,
.about-hero h1,
.contact-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 46px);
  letter-spacing: -0.03em;
}
.case-hero-inner > p,
.about-hero-inner > p,
.contact-hero-inner > p {
  margin: 0 0 22px;
  color: rgba(232, 240, 246, 0.84);
  max-width: 36em;
  line-height: 1.7;
}
.case-hero-actions,
.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-section { padding-top: 40px; }
.case-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.case-toolbar-copy h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
}
.case-toolbar-copy p { margin: 0; color: var(--muted); }
.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.case-filters button {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 9px 14px;
  cursor: pointer;
  border-radius: 2px;
  font-size: 13px;
  color: var(--ink);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.case-filters button:hover { border-color: var(--steel); }
.case-filters button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.case-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  animation: brandCardIn 0.55s ease both;
  animation-delay: calc(var(--i, 0) * 70ms);
}
.case-card:hover {
  border-color: rgba(30, 74, 102, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(12, 26, 36, 0.1);
}
.case-media {
  position: relative;
  height: 220px;
  background: #102531;
  overflow: hidden;
}
.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.case-card:hover .case-media img { transform: scale(1.05); }
.case-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 18, 28, 0.45));
  pointer-events: none;
}
.case-type {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 1;
  margin: 0;
  background: rgba(12, 26, 36, 0.82);
  color: #fff;
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.case-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}
.case-card h2 {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.case-dl {
  margin: 0;
  display: grid;
  gap: 12px;
}
.case-dl > div {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.case-dl > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.case-dl dt {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.case-dl dt i { color: var(--teal); font-size: 11px; }
.case-dl dd { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.6; }
.case-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: auto;
  padding-top: 14px;
}
.case-footnote {
  margin-top: 32px;
  padding: 22px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.case-footnote p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 40em;
}

/* ===== 资讯中心 ===== */
.news-hero .case-hero-inner > p {
  margin: 0;
  color: rgba(255,255,255,0.78);
  max-width: 36em;
}
.news-list {
  display: block;
}
.news-list-meta {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
}
.news-rows {
  background: var(--white);
  border: 1px solid var(--line);
}
.news-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s ease;
}
.news-row:last-child { border-bottom: 0; }
.news-row:hover { background: var(--panel); }
.news-row h2 {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.5;
  color: var(--ink);
}
.news-row time {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.news-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-top: 18px;
}
.news-pager-meta {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.news-pager-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.news-page-btn {
  appearance: none;
  margin: 0;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.news-page-btn:hover:not(:disabled):not(.is-active) {
  border-color: var(--ink);
}
.news-page-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  cursor: default;
}
.news-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.news-page-ellipsis {
  padding: 0 4px;
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 640px) {
  .news-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 14px;
  }
  .news-row h2 { font-size: 14px; }
  .news-pager {
    flex-direction: column;
    align-items: stretch;
  }
  .news-pager-btns {
    justify-content: center;
  }
}

.news-section .case-toolbar-copy h2 {
  font-size: 18px;
}
.news-section .case-filters button {
  padding: 7px 12px;
  font-size: 13px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
}
.news-media {
  position: relative;
  display: block;
  height: 200px;
  overflow: hidden;
  background: #102531;
}
.news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.news-card:hover .news-media img { transform: scale(1.04); }
.news-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  flex: 1;
}
.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}
.news-body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.35;
}
.news-body h2 a { color: inherit; text-decoration: none; }
.news-body h2 a:hover { color: var(--teal); }
.news-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  flex: 1;
}
.news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}
.case-type.static {
  position: static;
  display: inline-flex;
}

.article-detail { max-width: 820px; }
.article-head { margin-bottom: 22px; }
.article-head h1 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 36px);
  letter-spacing: -0.02em;
}
.article-summary {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.article-share-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-cover {
  margin: 0 0 24px;
  overflow: hidden;
  background: #102531;
}
.article-cover img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-body {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}
.article-body p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.85;
  font-size: 15px;
}
.article-case-dl {
  margin: 0 0 8px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.article-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.share-sheet {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(8, 16, 24, 0.55);
}
.share-sheet[hidden] { display: none !important; }
.share-sheet-card {
  position: relative;
  width: min(420px, 100%);
  padding: 28px 24px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(8, 16, 24, 0.28);
}
.share-sheet-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
}
.share-sheet-tip {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.share-sheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.share-wechat-hint {
  margin-top: 14px;
  padding: 12px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(7, 193, 96, 0.08);
  border: 1px solid rgba(7, 193, 96, 0.28);
  color: #067857;
  font-size: 13px;
  line-height: 1.55;
}
.share-wechat-hint i { font-size: 18px; margin-top: 1px; }

.about-stats-band {
  background: #0f1f2a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.about-stat {
  padding: 22px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #e8f0f6;
}
.about-stat:last-child { border-right: 0; }
.about-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 4px;
}
.about-stat span {
  font-size: 13px;
  color: rgba(232, 240, 246, 0.62);
}

.about-intro-section { padding-top: 56px; padding-bottom: 20px; }
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: center;
}
.about-intro-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
}
.about-intro-copy p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 36em;
}
.about-intro-visual {
  overflow: hidden;
  min-height: 320px;
  background: #102531;
  position: relative;
}
.about-intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 320px;
  transition: transform 0.7s ease;
}
.about-intro-visual:hover img { transform: scale(1.03); }
.about-intro-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8, 18, 28, 0.28));
  pointer-events: none;
}

.about-block-head {
  margin-bottom: 28px;
  max-width: 42em;
}
.about-block-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
}
.about-block-head p { margin: 0; color: var(--muted); }

.about-value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.about-value {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.about-value:hover {
  border-color: rgba(30, 74, 102, 0.35);
  transform: translateY(-2px);
}
.about-value i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: rgba(26, 155, 142, 0.1);
  color: var(--teal);
  margin-bottom: 14px;
  font-size: 16px;
}
.about-value h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
}
.about-value p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 32px;
  align-items: start;
}
.about-copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
}
.about-copy h2 + p { margin-top: 0; }
.about-copy > h2:not(:first-child) { margin-top: 28px; }
.about-copy p { color: var(--muted); line-height: 1.7; }
.about-industries {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}
.about-industries span {
  padding: 8px 14px;
  background: var(--panel);
  font-size: 13px;
  color: var(--ink-2);
}
.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.cert-panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px;
  position: sticky;
  top: 88px;
}
.cert-panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
}
.cert-panel > p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}
.cert-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.cert-slot {
  position: relative;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.55), rgba(238, 242, 245, 0.92)),
    repeating-linear-gradient(-18deg, transparent, transparent 12px, rgba(30, 74, 102, 0.04) 12px, rgba(30, 74, 102, 0.04) 24px);
  border: 1px dashed var(--line);
  color: var(--muted);
  overflow: hidden;
}
.cert-slot::after {
  content: "宁鑫卓越 · 水印示意";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(30, 74, 102, 0.18);
  transform: rotate(-18deg);
  pointer-events: none;
}
.cert-slot span {
  position: relative;
  z-index: 1;
  font-weight: 600;
  color: var(--ink-2);
}
.cert-slot em {
  position: relative;
  z-index: 1;
  font-style: normal;
  font-size: 12px;
}

.contact-flow-band {
  background: #0f1f2a;
  color: #e8f0f6;
}
.contact-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 22px 0;
  flex-wrap: wrap;
}
.contact-flow-item {
  display: grid;
  gap: 2px;
  min-width: 120px;
}
.contact-flow-item b {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #7fd4c8;
  letter-spacing: 0.08em;
}
.contact-flow-item strong {
  font-family: var(--font-display);
  font-size: 16px;
}
.contact-flow-item span {
  font-size: 12px;
  color: rgba(232, 240, 246, 0.58);
}
.contact-flow-line {
  flex: 1;
  height: 1px;
  min-width: 24px;
  background: linear-gradient(90deg, rgba(127, 212, 200, 0.35), rgba(255, 255, 255, 0.08));
}

.contact-section { padding-top: 40px; }
.contact-page-v2 {
  display: grid;
  grid-template-columns: 0.85fr 1.25fr;
  gap: 28px;
  align-items: start;
}
.contact-aside {
  display: grid;
  gap: 14px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-card:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
}
.contact-wechat { cursor: default; }
.contact-wechat:hover { transform: none; }
.contact-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.contact-label i { color: var(--teal); }
.contact-card strong {
  font-size: 20px;
  font-family: var(--font-display);
}
.contact-card > span:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.wechat-qr-wrap {
  margin: 6px 0;
  padding: 10px;
  width: fit-content;
  background: #fff;
  border: 1px solid var(--line);
}
.wechat-qr {
  width: 180px;
  height: 180px;
  object-fit: contain;
  display: block;
}

.lead-form {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px 30px 30px;
}
.lead-form-head {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.lead-form-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 24px;
}
.lead-form-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.lead-form label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--muted);
}
.lead-form input,
.lead-form select,
.lead-form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  outline: none;
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(30, 74, 102, 0.12);
}
.lead-upload {
  margin-bottom: 16px;
}
.lead-upload-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}
.lead-upload-box {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 16px 14px;
  border: 1px dashed var(--line);
  background: var(--panel);
  cursor: pointer;
  color: var(--ink-2);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.lead-upload-box:hover {
  border-color: var(--steel);
  background: #fff;
}
.lead-upload-box input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.lead-upload-box strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.lead-upload-box em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}
.lead-file-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.lead-file-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13px;
}
.lead-file-list li span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
}
.lead-file-list li em {
  font-style: normal;
  color: var(--muted);
  font-size: 12px;
  flex-shrink: 0;
}
.lead-file-list button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
}
.lead-file-list button:hover { color: var(--ink); }
.lead-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-hint {
  font-size: 12px;
  color: var(--muted);
  margin: 14px 0 0;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .case-list,
  .about-intro,
  .about-layout,
  .about-value-grid,
  .contact-page-v2 {
    grid-template-columns: 1fr;
  }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .about-stat:nth-child(2) { border-right: 0; }
  .about-stat:nth-child(1),
  .about-stat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .cert-panel { position: static; }
  .contact-flow-line { display: none; }
  .contact-flow { gap: 16px; }
}
@media (max-width: 640px) {
  .case-list { grid-template-columns: 1fr; }
  .case-media { height: 180px; }
  .lead-row { grid-template-columns: 1fr; }
  .case-hero-inner,
  .about-hero-inner,
  .contact-hero-inner { padding: 56px 0 36px; }
}

.site-float {
  position: fixed; right: 20px; bottom: 28px; z-index: 90;
  display: flex; flex-direction: column; gap: 8px;
}
.site-float-ai-only .site-float-btn {
  position: relative;
  width: 68px;
  height: 68px;
  min-height: 68px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  box-shadow: none;
  transition: transform 0.22s ease;
}
.site-float-ai-aura {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 126, 163, 0.42) 0%, rgba(61, 126, 163, 0.12) 46%, transparent 72%);
  animation: aiFloatAura 2s ease-in-out infinite;
  pointer-events: none;
}
.site-float-ai-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow:
    0 14px 28px rgba(12, 26, 36, 0.28),
    0 0 0 0 rgba(30, 74, 102, 0.35);
  animation: aiFloatPulse 2s ease-in-out infinite;
  pointer-events: none;
}
.site-float-ai-img {
  position: relative;
  z-index: 1;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: block;
  object-fit: cover;
  animation: aiFloatBreath 2s ease-in-out infinite;
  box-shadow: 0 10px 24px rgba(12, 26, 36, 0.28);
}
.site-float-ai-only .site-float-btn:hover {
  transform: translateY(-3px);
}
.site-float-ai-only .site-float-btn:hover .site-float-ai-img {
  animation-duration: 1.2s;
  filter: brightness(1.06);
}
@keyframes aiFloatBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}
@keyframes aiFloatPulse {
  0%, 100% {
    box-shadow:
      0 14px 28px rgba(12, 26, 36, 0.28),
      0 0 0 0 rgba(30, 74, 102, 0.4);
  }
  50% {
    box-shadow:
      0 18px 34px rgba(12, 26, 36, 0.34),
      0 0 0 14px rgba(30, 74, 102, 0);
  }
}
@keyframes aiFloatAura {
  0%, 100% { opacity: 0.45; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1.18); }
}
@media (prefers-reduced-motion: reduce) {
  .site-float-ai-aura,
  .site-float-ai-ring,
  .site-float-ai-img { animation: none; }
}
.site-float-btn {
  width: 54px; min-height: 54px; border: 0; border-radius: 2px;
  background: var(--ink); color: #fff; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-size: 10px; text-decoration: none; box-shadow: var(--shadow);
}
.site-float-btn i { font-size: 16px; }
.site-float-ai { background: transparent; }
.site-float-btn:hover { filter: none; }

.ai-panel {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8,16,22,0.45);
  display: grid; place-items: end;
  padding: 20px;
}
.ai-panel[hidden] { display: none !important; }
.ai-panel-card {
  width: min(440px, 100%);
  height: min(680px, calc(100vh - 36px));
  background: #fff; border-radius: 10px;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.35);
}
.ai-panel-head {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 16px 16px 14px; border-bottom: 1px solid var(--line); align-items: flex-start;
  background:
    linear-gradient(135deg, rgba(30, 74, 102, 0.08), transparent 42%),
    linear-gradient(180deg, #f4f8fb, #fff);
}
.ai-panel-head strong {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.ai-panel-head span { font-size: 12px; color: var(--muted); line-height: 1.45; margin-top: 4px; display: block; }
.ai-close {
  border: 0; background: transparent; font-size: 22px; cursor: pointer; line-height: 1; color: var(--muted);
}
.ai-messages {
  flex: 1; overflow: auto; padding: 14px;
  display: flex; flex-direction: column; gap: 12px;
  background: #f3f6f8;
}
.ai-msg {
  max-width: 94%; padding: 10px 12px; border-radius: 4px; font-size: 13px; line-height: 1.6;
}
.ai-user {
  align-self: flex-end; background: var(--steel); color: #fff;
  white-space: pre-wrap;
}
.ai-assistant {
  align-self: flex-start; background: #fff; border: 1px solid var(--line);
  white-space: normal;
}
.ai-assistant.is-faq { border-color: rgba(26, 155, 142, 0.35); }
.ai-assistant.is-loading,
.ai-assistant.is-streaming { color: var(--ink); }
.ai-who {
  font-size: 11px;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.ai-md p { margin: 0 0 8px; }
.ai-md p:last-child { margin-bottom: 0; }
.ai-md ul, .ai-md ol { margin: 0 0 8px; padding-left: 1.2em; }
.ai-md li { margin: 3px 0; }
.ai-md a,
.ai-link {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.ai-link-internal:hover { color: var(--ink); }
.ai-md code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--panel);
  padding: 1px 5px;
  border-radius: 2px;
}
.ai-md strong { color: var(--ink); }
.ai-stream-cursor {
  display: inline-block;
  width: 7px; height: 1em;
  margin-left: 2px;
  background: var(--steel);
  vertical-align: text-bottom;
  animation: aiCursor 0.9s steps(1) infinite;
}
@keyframes aiCursor {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}
.ai-product-cards {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}
.ai-product-card {
  text-align: left;
  border: 1px solid var(--line);
  background: #f8fafb;
  padding: 10px 12px;
  cursor: pointer;
  display: grid;
  gap: 2px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.ai-product-card:hover {
  border-color: var(--steel);
  transform: translateY(-1px);
}
.ai-product-card strong {
  font-size: 13px;
  color: var(--ink);
}
.ai-product-card span {
  font-size: 11px;
  color: var(--teal);
}
.ai-product-card em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}
.ai-chain-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.ai-chain-card {
  text-align: left;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #f7fafc 0%, #eef3f6 100%);
  padding: 10px 12px;
  cursor: pointer;
  display: grid;
  gap: 3px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.ai-chain-card:hover {
  border-color: var(--steel);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 40, 55, 0.08);
}
.ai-chain-card strong {
  font-size: 13px;
  color: var(--ink);
}
.ai-chain-card span {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}
@media (max-width: 420px) {
  .ai-chain-cards { grid-template-columns: 1fr; }
}
.ai-tools {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 8px 12px; border-top: 1px solid var(--line); background: #fff;
}
.ai-suggest {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 8px 12px 4px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.ai-suggest[hidden] { display: none !important; }
.ai-form {
  display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); background: #fff;
}
.ai-form input {
  flex: 1; border: 1px solid var(--line); border-radius: 2px; padding: 10px 12px;
  outline: none;
}
.ai-form input:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(30, 74, 102, 0.12);
}

.lead-modal {
  position: fixed; inset: 0; z-index: 110; background: rgba(8,16,22,0.5);
  display: grid; place-items: center; padding: 20px;
}
.lead-modal[hidden] { display: none !important; }
.lead-modal-card {
  width: min(420px, 100%); background: #fff; padding: 24px; border-radius: 4px; position: relative;
}
.lead-modal-card h3 { margin: 0 0 8px; }
.lead-modal-card p { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.lead-modal-card label { display: block; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.lead-modal-card input {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px; border: 1px solid var(--line);
}
.lead-modal-card .ai-close { position: absolute; right: 12px; top: 10px; }

.related-block { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.related-block h3 { margin: 0 0 6px; }
.related-lead { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.related-item {
  background: var(--white); border: 1px solid var(--line); padding: 10px; display: flex; flex-direction: column; gap: 6px;
}
.related-item img { aspect-ratio: 4/3; object-fit: contain; background: #fff; width: 100%; }
.related-item strong { font-size: 13px; }
.related-item span { font-size: 12px; color: var(--muted); }

@media (max-width: 960px) {
  .chain-grid {
    grid-template-columns: 1fr 1fr;
  }
  .brand-strip, .brand-cards, .dual-grid, .service-grid, .case-list, .about-layout, .contact-page-v2, .related-grid, .stat-row {
    grid-template-columns: 1fr;
  }
  .dual-card,
  .dual-card-content {
    min-height: 260px;
  }
  .lead-row { grid-template-columns: 1fr; }
  .site-float { right: 10px; bottom: 14px; }
  .site-float-btn { width: 48px; min-height: 48px; }
  .site-float-ai-only .site-float-btn,
  .site-float-ai-img { width: 58px; height: 58px; min-height: 58px; }
}
@media (max-width: 640px) {
  .chain-grid {
    grid-template-columns: 1fr;
  }
}
/* ========== Premium motion & polish 20260730c ========== */
.has-motion .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--i, 0) * 55ms);
}
.has-motion .reveal.is-in {
  opacity: 1;
  transform: none;
}
.reduce-motion .reveal { opacity: 1; transform: none; }

.chain-card,
.dual-card,
.brand-card,
.brand-tile,
.service-card,
.case-card,
.solution-card {
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.chain-card:hover,
.dual-card:hover,
.brand-tile:hover,
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(12, 26, 36, 0.1);
}

.site-phone {
  display: inline-block;
  margin-top: 8px;
  color: var(--steel);
  font-weight: 600;
  font-size: 14px;
}
.site-phone.is-plain { color: var(--muted); font-weight: 500; }
.footer-contact { margin-top: 10px; }
.contact-hotline { margin: 10px 0 14px; }

.service-timeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.service-timeline i {
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--steel), transparent);
  display: inline-block;
}
.service-bullets {
  margin: 0 0 16px;
  padding-left: 1.1em;
  color: var(--muted);
  font-size: 13px;
}
.service-bullets li { margin: 4px 0; }
.service-card .text-link i { font-size: 11px; margin-left: 4px; transition: transform 0.2s ease; }
.service-card:hover .text-link i { transform: translateX(3px); }
.service-promise {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.product-scene {
  margin: 12px 0 4px;
  padding: 12px 14px;
  background: rgba(30, 74, 102, 0.05);
  border-left: 3px solid var(--steel);
}
.product-scene h3 { margin: 0 0 4px; font-size: 13px; color: var(--steel); }
.product-scene p { margin: 0; font-size: 13px; color: var(--muted); }

.ai-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  max-height: 96px;
  overflow: auto;
}
.ai-chip {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 2px;
  color: var(--ink-2);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.ai-chip:hover { border-color: var(--steel); background: #fff; color: var(--ink); }
.ai-suggest .ai-chip {
  background: rgba(30, 74, 102, 0.06);
  border-color: rgba(30, 74, 102, 0.18);
}
.ai-dots { display: inline-flex; gap: 3px; margin-right: 6px; vertical-align: middle; }
.ai-dots i {
  width: 5px; height: 5px; border-radius: 50%; background: var(--steel);
  animation: aiPulse 1s ease-in-out infinite;
  display: inline-block;
}
.ai-dots i:nth-child(2) { animation-delay: 0.15s; }
.ai-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes aiPulse {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
}
.ai-lead {
  margin: 0 16px 10px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.ai-lead[hidden] { display: none !important; }
.ai-lead p { margin: 0 0 10px; font-size: 12px; color: var(--muted); }
.ai-lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 10px; }
.ai-lead-row input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 2px; font: inherit;
}
.ai-lead-actions { display: flex; gap: 8px; }

.nav-link.is-active { color: var(--signal); }
.has-drop.is-active > .nav-link { color: var(--signal); }

@media (max-width: 960px) {
  .case-list { grid-template-columns: 1fr; }
  .ai-lead-row { grid-template-columns: 1fr; }
  .service-timeline { flex-wrap: wrap; }
}

/* ========== Solutions page · Hollysys-inspired layout ========== */
.sol-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(320px, 42vw, 460px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.sol-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, rgba(8,18,28,0.92) 0%, rgba(12,26,36,0.62) 48%, rgba(12,26,36,0.35) 100%),
    url("../img/banners/banner-solutions.jpg?v=20260730p") center/cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.sol-hero-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 48px;
  max-width: 760px;
}
.sol-crumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 13px;
  color: rgba(232,240,246,0.7);
}
.sol-crumb a:hover { color: #fff; }
.sol-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: -0.03em;
}
.sol-hero > .container > p,
.sol-hero-inner > p {
  margin: 0 0 22px;
  color: rgba(232,240,246,0.84);
  max-width: 36em;
  font-size: 16px;
}
.sol-path-tabs { margin-top: 0; }
.sol-path-tabs button {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  color: #e8f0f6;
}
.sol-path-tabs button.is-active {
  background: var(--signal);
  border-color: var(--signal);
  color: #12202a;
}

.sol-block { padding-top: 64px; padding-bottom: 64px; }
.sol-block-head { margin-bottom: 28px; max-width: 46em; }
.sol-block-head.row,
.sol-block-head.sol-demos-head {
  max-width: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.sol-block-head.sol-demos-head { gap: 20px 28px; }
.sol-block-head.sol-demos-head > div:first-child { max-width: 46em; }
.sol-block-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
}
.sol-block-head p { margin: 0; color: var(--muted); }

.sol-industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.sol-industry-card {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 220px;
  background: #102531;
  color: #fff;
}
.sol-industry-media {
  position: absolute;
  inset: 0;
}
.sol-industry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22,1,0.36,1);
  opacity: 0.55;
}
.sol-industry-card:hover .sol-industry-media img {
  transform: scale(1.08);
  opacity: 0.78;
}
.sol-industry-meta {
  position: relative;
  z-index: 1;
  height: 100%;
  min-height: 220px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 20%, rgba(8,16,24,0.88) 100%);
}
.sol-industry-meta i {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: rgba(255,255,255,0.12); margin-bottom: 12px; font-size: 14px;
}
.sol-industry-meta strong {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 4px;
}
.sol-industry-meta span {
  font-size: 13px;
  color: rgba(232,240,246,0.78);
  margin-bottom: 10px;
}
.sol-industry-meta em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.sol-industry-card:hover .sol-industry-meta em {
  opacity: 1;
  transform: none;
}

.sol-overview {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: center;
}
.sol-overview-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
}
.sol-overview-copy p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.75;
}
.sol-overview-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sol-overview-points li {
  padding-left: 18px;
  position: relative;
  color: var(--ink-2);
  font-size: 14px;
}
.sol-overview-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 8px;
  background: var(--teal);
}
.sol-overview-visual {
  overflow: hidden;
  min-height: 320px;
  background: #102531;
}
.sol-overview-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sol-stats-band {
  background: linear-gradient(120deg, #0c1a24, #163040 55%, #1a4a4a);
  color: #fff;
  padding: 42px 0;
}
.sol-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.sol-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.sol-stat span {
  font-size: 13px;
  color: rgba(232,240,246,0.72);
}

.sol-prod-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.sol-prod-tab {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 2px;
}
.sol-prod-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.sol-prod-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
  min-height: 280px;
}
.sol-prod-copy { padding: 28px 30px; }
.sol-prod-copy .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}
.sol-prod-copy h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
}
.sol-prod-copy p { margin: 0 0 12px; color: var(--muted); }
.sol-prod-copy ul {
  margin: 0 0 18px;
  padding-left: 1.1em;
  color: var(--muted);
  font-size: 14px;
}
.sol-prod-visual {
  display: grid;
  place-items: center;
  background:
    linear-gradient(160deg, rgba(12,26,36,0.88), rgba(26,155,142,0.35)),
    url("../img/banners/banner-chain.jpg") center/cover;
  color: #fff;
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.08em;
}

.sol-case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.sol-case-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
  min-height: 200px;
}
.sol-case-media { background: #102531; min-height: 100%; }
.sol-case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sol-case-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.sol-case-type {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--teal);
  letter-spacing: 0.06em;
}
.sol-case-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
}
.sol-case-body p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.sol-case-body .text-link { margin-top: auto; }

.sol-service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.sol-service-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.sol-service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(30,74,102,0.4);
  box-shadow: 0 14px 36px rgba(12,26,36,0.08);
}
.sol-service-card i {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: rgba(30,74,102,0.08); color: var(--steel);
}
.sol-service-card strong {
  font-family: var(--font-display);
  font-size: 17px;
}
.sol-service-card span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}

.sol-cta-band {
  background: #0c1a24;
  color: #fff;
  padding: 56px 0;
}
.sol-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.sol-cta h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
}
.sol-cta p { margin: 0; color: rgba(232,240,246,0.75); }
.sol-cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .sol-industry-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-service-grid { grid-template-columns: 1fr 1fr; }
  .sol-overview,
  .sol-prod-card,
  .sol-case-card { grid-template-columns: 1fr; }
  .sol-stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .sol-industry-grid,
  .sol-service-grid,
  .sol-case-grid,
  .sol-stats { grid-template-columns: 1fr; }
  .sol-hero-inner { padding: 56px 0 36px; }
}

/* ========== Services page ========== */
.svc-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(300px, 38vw, 420px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.svc-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, rgba(8,18,28,0.93) 0%, rgba(12,26,36,0.68) 48%, rgba(12,26,36,0.42) 100%),
    url("../img/banners/banner-services.jpg?v=20260730p") center/cover no-repeat;
  transform: scale(1.03);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.svc-hero-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 48px;
  max-width: 640px;
}
.svc-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 46px);
  letter-spacing: -0.03em;
}
.svc-hero-inner > p {
  margin: 0 0 22px;
  color: rgba(232,240,246,0.84);
  max-width: 28em;
  font-size: 16px;
  line-height: 1.65;
}
.svc-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.svc-modules-section { padding-top: 56px; padding-bottom: 28px; }
.svc-section-head {
  max-width: 36em;
  margin-bottom: 28px;
}
.svc-section-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
}
.svc-section-head p {
  margin: 0;
  color: var(--muted);
}

.svc-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow-x: auto;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.svc-rail span { white-space: nowrap; color: var(--ink-2); font-weight: 600; }
.svc-rail i {
  flex: 1;
  min-width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.svc-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.svc-tile {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.svc-tile:hover {
  border-color: rgba(30, 74, 102, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(12, 26, 36, 0.08);
}
.svc-tile-media {
  height: 160px;
  overflow: hidden;
  background: #102531;
}
.svc-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.svc-tile:hover .svc-tile-media img { transform: scale(1.05); }
.svc-tile-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  flex: 1;
}
.svc-tile-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal);
}
.svc-tile-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
}
.svc-tile-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}
.svc-tile-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.svc-tile-body li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  color: var(--ink-2);
}
.svc-tile-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}
.svc-tile-body .text-link {
  margin-top: auto;
  padding-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--steel);
  font-weight: 600;
  font-size: 14px;
}
.svc-tile-body .text-link i {
  font-size: 12px;
  transition: transform 0.2s ease;
}
.svc-tile:hover .text-link i { transform: translateX(3px); }

.svc-entry-section { padding-top: 40px; padding-bottom: 48px; }
.svc-entry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.svc-entry-grid a {
  display: grid;
  gap: 6px;
  padding: 20px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.svc-entry-grid a:hover {
  border-color: var(--steel);
  background: #f3f7fa;
  transform: translateY(-2px);
}
.svc-entry-grid b {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  letter-spacing: 0.08em;
}
.svc-entry-grid strong {
  font-family: var(--font-display);
  font-size: 17px;
}
.svc-entry-grid span {
  font-size: 13px;
  color: var(--muted);
}

.svc-foot-band {
  background:
    linear-gradient(120deg, rgba(8,18,28,0.94), rgba(22,48,64,0.88)),
    url("../img/banners/banner-services.jpg?v=20260730p") center/cover;
  color: #fff;
  padding: 64px 0;
}
.svc-foot {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: end;
}
.svc-foot-copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
}
.svc-foot-copy > p {
  margin: 0 0 16px;
  color: rgba(232,240,246,0.78);
  max-width: 34em;
}
.svc-foot-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.svc-foot-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: rgba(232,240,246,0.82);
}
.svc-foot-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7fd4c8;
}
.svc-foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

@media (max-width: 960px) {
  .svc-board { grid-template-columns: 1fr; }
  .svc-entry-grid { grid-template-columns: 1fr 1fr; }
  .svc-foot { grid-template-columns: 1fr; }
  .svc-foot-actions { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .svc-entry-grid { grid-template-columns: 1fr; }
  .svc-rail i { display: none; }
  .svc-tile-media { height: 140px; }
  .svc-hero-inner { padding: 56px 0 36px; }
}