:root {
  --blue: #0b5cad;
  --deep: #152130;
  --ink: #263241;
  --muted: #667386;
  --line: #dbe3ec;
  --soft: #f3f7fb;
  --green: #18a87b;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
body.news-detail-page {
  background: #f6f9fc;
}
body.modal-open {
  overflow: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  top: 0;
  z-index: 10;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(219, 227, 236, .9);
  backdrop-filter: blur(12px);
  transition: height .25s ease, box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled {
  height: 64px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 12px 30px rgba(15, 30, 48, .08);
}
.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.brand img {
  width: clamp(118px, 8.5vw, 154px);
  max-height: 42px;
  height: auto;
  display: block;
  object-fit: contain;
}
.nav { display: flex; gap: 24px; font-size: 14px; color: #324050; align-items: center; }
.nav-group {
  position: relative;
  padding: 26px 0;
}
.nav-group > a {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
}
.nav a {
  position: relative;
  transition: color .2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .24s ease;
}
.nav a:hover { color: var(--blue); }
.nav a:hover::after { transform: scaleX(1); }
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 220px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 18px 44px rgba(21, 33, 48, .14);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity .18s ease, transform .18s ease;
}
.nav-group:hover .dropdown,
.nav-group:focus-within .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.dropdown a {
  display: block;
  padding: 9px 10px;
  border-radius: 4px;
  white-space: nowrap;
  line-height: 1.35;
}
.dropdown a:hover {
  background: var(--soft);
}
.dropdown a::after {
  display: none;
}
.nav-toggle { display: none; border: 0; background: transparent; font-size: 24px; color: var(--deep); }

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
  transition: transform .2s linear;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 25, 42, .86), rgba(12, 25, 42, .50) 48%, rgba(12, 25, 42, .18));
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 88vw);
  margin-left: 6vw;
  padding-top: 72px;
  color: #fff;
  animation: heroIn .75s ease both;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1;
  letter-spacing: 0;
}
.hero p:not(.eyebrow) {
  margin: 0;
  max-width: 680px;
  font-size: clamp(19px, 2.2vw, 30px);
}
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 14px;
  margin-top: 42px;
  width: min(680px, 100%);
}
.hero-proof div {
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.26);
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(10px);
}
.hero-proof strong {
  display: block;
  color: #fff;
  font-size: 24px;
  line-height: 1.1;
}
.hero-proof span {
  color: #dbe7f1;
  font-size: 13px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn.outline { margin-top: 24px; background: #fff; color: var(--blue); border-color: #b8cfe4; }
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(11, 92, 173, .22);
}
.section {
  padding: 92px 6vw;
}
.metric-band {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.metric-band div {
  min-height: 118px;
  padding: 24px 18px;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.metric-band strong {
  color: var(--deep);
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1;
}
.metric-band span {
  margin-top: 10px;
  color: var(--muted);
  font-weight: 700;
}
.tinted { background: var(--soft); }
.section-head {
  max-width: 780px;
  margin-bottom: 36px;
}
.section-head:has(.section-more) {
  max-width: none;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}
.section-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  padding: 10px 16px;
  border: 1px solid #b8cfe4;
  border-radius: 4px;
  color: var(--blue);
  font-weight: 800;
  background: #fff;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.section-more:hover {
  background: var(--blue);
  color: #fff;
  transform: translateY(-2px);
}
h2 {
  margin: 0 0 16px;
  color: var(--deep);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
}
.lead { color: #405065; font-size: 18px; }
.about-grid, .quality, .contact {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.image-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.image-stack img:first-child { grid-column: span 2; }
.image-stack img, .quality img, .card img, .product-card img, .news-card img {
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
}
.info-list { display: grid; gap: 16px; margin-top: 28px; }
.info-list div {
  padding-left: 18px;
  border-left: 3px solid var(--blue);
}
.info-list strong { display: block; color: var(--deep); margin-bottom: 4px; }
.info-list span { color: var(--muted); }
.compact { gap: 14px; }
.cert-teaser {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}
.cert-teaser span {
  padding: 8px 12px;
  border-radius: 4px;
  background: #e9f2fb;
  color: #15548d;
  font-weight: 700;
  font-size: 14px;
}

.card-grid, .equipment-grid, .product-grid, .news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card, .equipment-card, .product-card, .news-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.interactive-card {
  cursor: pointer;
}
.interactive-card:focus-visible {
  outline: 3px solid rgba(11, 92, 173, .26);
  outline-offset: 4px;
}
.card:hover, .equipment-card:hover, .product-card:hover, .news-card:hover, .logo-item:hover {
  transform: translateY(-6px);
  border-color: rgba(11, 92, 173, .28);
  box-shadow: 0 18px 42px rgba(21, 33, 48, .12);
}
.card img, .product-card img, .news-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
#capabilityList .card img {
  height: 300px;
}
.card-body {
  flex: 1;
}
.card:hover img, .product-card:hover img, .news-card:hover img {
  transform: scale(1.035);
}
.card-body, .equipment-card, .product-card .copy, .news-card .copy { padding: 22px; }
.card h3, .equipment-card h3, .product-card h3, .news-card h3 { margin: 0 0 10px; color: var(--deep); }
.card p, .equipment-card p, .product-card p, .news-card p { margin: 0; color: var(--muted); }
.product-catalog-page {
  display: grid;
  gap: 28px;
}
.product-catalog {
  align-items: stretch;
}
.product-catalog .product-card {
  min-height: 100%;
}
.product-catalog .product-card img {
  height: 260px;
  object-fit: contain;
  padding: 16px;
  background: #f7fafc;
}
.product-catalog .product-card .copy {
  display: flex;
  flex: 1;
  flex-direction: column;
}
.product-catalog .product-card p {
  flex: 1;
}
#productList .product-card img {
  height: 280px;
  object-fit: contain;
  padding: 16px;
  background: #f7fafc;
}
#productList .product-card:hover img {
  transform: none;
}
.product-filter-tabs {
  margin-bottom: 4px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}
.news-meta span {
  padding: 4px 9px;
  border-radius: 4px;
  background: #e9f2fb;
  color: #15548d;
  font-weight: 700;
}
.empty-state {
  padding: 34px;
  border: 1px dashed #b8c7d8;
  border-radius: 8px;
  background: #fff;
}
.empty-state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 20px;
}
.news-list {
  display: grid;
  gap: 18px;
}
.news-list-item {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.news-list-item:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 92, 173, .28);
  box-shadow: 0 16px 36px rgba(21, 33, 48, .1);
}
.news-thumb {
  display: block;
  overflow: hidden;
  border-radius: 6px;
  background: var(--soft);
}
.news-thumb img {
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
  transition: transform .35s ease;
}
.news-list-item:hover .news-thumb img {
  transform: scale(1.035);
}
.news-list-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.news-list-copy h3 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.25;
}
.news-list-copy h3 a {
  color: var(--deep);
}
.news-list-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.8;
}
.news-list-copy .read-more {
  align-self: flex-start;
}
.equipment-card {
  border-top: 4px solid var(--blue);
}
.equipment-meta, .product-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0;
}
.equipment-meta span, .product-meta span, .tags span {
  padding: 5px 10px;
  background: #e9f2fb;
  color: #15548d;
  border-radius: 4px;
  font-size: 13px;
}
.split-band { background: linear-gradient(180deg, #fff 0, #fff 42%, #eef5f2 42%, #eef5f2 100%); }
.quality { background: #101b29; color: #dfe8f2; }
.quality h2 { color: #fff; }
.quality .lead, .quality span { color: #c6d1de; }
.quality img { background: #152337; border-color: #284057; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.tags span { background: rgba(24,168,123,.18); color: #8ee4c5; }

.logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.logo-item {
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  color: var(--deep);
  font-weight: 700;
  background: #fff;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.logo-item img { max-height: 46px; object-fit: contain; }

.contact { align-items: stretch; }
.contact > div {
  display: flex;
  flex-direction: column;
}
.contact-list p {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px;
  margin: 10px 0;
}
.contact-list strong { color: var(--deep); }
.map-box {
  margin-top: 28px;
  min-height: 520px;
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  color: var(--muted);
  background: linear-gradient(135deg, #edf5fb, #f8fbfd);
}
.map-box iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #eef5fb;
}
.map-preview {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 66% 44%, rgba(24, 168, 123, .26), transparent 24%),
    radial-gradient(circle at 35% 38%, rgba(11, 92, 173, .13), transparent 22%),
    linear-gradient(90deg, rgba(11, 92, 173, .08) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(0deg, rgba(11, 92, 173, .08) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(135deg, #edf5fb, #f8fbfd);
}
.map-overview {
  position: absolute;
  z-index: 4;
  left: 34px;
  top: 34px;
  display: grid;
  gap: 8px;
  max-width: min(520px, calc(100% - 68px));
  padding: 20px 22px;
  border: 1px solid rgba(219, 227, 236, .92);
  border-radius: 6px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 14px 32px rgba(21, 33, 48, .12);
  backdrop-filter: blur(8px);
}
.map-overview small {
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
}
.map-overview strong {
  color: var(--deep);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}
.map-overview span {
  color: #405065;
  font-size: 17px;
}
.map-overview .btn {
  justify-self: start;
  margin-top: 8px;
  padding: 8px 12px;
}
.map-region {
  position: absolute;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid rgba(11, 92, 173, .14);
  border-radius: 4px;
  background: rgba(255, 255, 255, .82);
  color: #405065;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(21, 33, 48, .08);
}
.map-region.guangxi {
  left: 9%;
  bottom: 18%;
}
.map-region.liuzhou {
  left: 32%;
  top: 42%;
  color: var(--blue);
}
.map-region.liudong {
  right: 22%;
  top: 28%;
}
.map-region.park {
  right: 12%;
  bottom: 18%;
  color: #14785d;
}
.map-road {
  position: absolute;
  display: block;
  background: rgba(11, 92, 173, .16);
  box-shadow: 0 0 0 12px rgba(255, 255, 255, .55);
}
.map-road.horizontal {
  left: -8%;
  right: -8%;
  top: 56%;
  height: 18px;
}
.map-road.vertical {
  top: -10%;
  bottom: -10%;
  left: 66%;
  width: 18px;
}
.map-road.diagonal {
  left: 10%;
  top: 12%;
  width: 18px;
  height: 130%;
  transform: rotate(38deg);
}
.map-pin {
  position: absolute;
  left: 64%;
  top: 48%;
  width: 28px;
  height: 28px;
  background: var(--blue);
  border: 5px solid #fff;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 10px 28px rgba(11, 92, 173, .32);
}
.map-pin::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: #fff;
}
.map-label {
  position: absolute;
  left: calc(64% + 34px);
  top: calc(48% + 4px);
  z-index: 3;
  padding: 8px 12px;
  border-radius: 4px;
  background: #102235;
  color: #fff;
  font-weight: 800;
  line-height: 1.35;
  box-shadow: 0 12px 30px rgba(21, 33, 48, .18);
}
.map-label small {
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
}
.map-fallback {
  position: absolute;
  left: 34px;
  right: auto;
  bottom: 34px;
  display: grid;
  gap: 8px;
  max-width: min(420px, calc(100% - 68px));
  padding: 16px;
  border: 1px solid rgba(219, 227, 236, .9);
  border-radius: 6px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 30px rgba(21, 33, 48, .12);
  backdrop-filter: blur(8px);
}
.map-fallback strong {
  color: var(--deep);
}
.map-fallback span {
  color: var(--muted);
  line-height: 1.65;
}
.map-fallback .btn {
  justify-self: start;
  padding: 8px 12px;
}
.message-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.message-form h3 { margin: 0 0 18px; color: var(--deep); }
label { display: grid; gap: 6px; margin-bottom: 14px; color: #334155; font-weight: 700; }
input, textarea, select {
  width: 100%;
  border: 1px solid #cfd8e3;
  border-radius: 4px;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
input:focus, textarea:focus, select:focus {
  outline: 0;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(11, 92, 173, .14);
}
textarea { resize: vertical; }
.form-hint { min-height: 24px; color: var(--blue); }
.footer {
  padding: 26px 6vw;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  column-gap: 18px;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer span {
  grid-column: 1;
  justify-self: start;
  white-space: nowrap;
}
.icp-link {
  grid-column: 2;
  justify-self: center;
  white-space: nowrap;
  color: var(--muted);
  transition: color .2s ease;
}
.icp-link:hover {
  color: var(--blue);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 58px 6vw;
  background: #101b29;
  color: #d7e1ec;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p:not(.eyebrow) {
  max-width: 820px;
  margin: 0;
}

.read-more {
  display: inline-flex;
  margin-top: 16px;
  color: var(--blue);
  font-weight: 700;
}

.floating-inquiry {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 9;
  padding: 13px 18px;
  background: var(--green);
  color: #fff;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(24, 168, 123, .28);
  transition: transform .2s ease, box-shadow .2s ease;
}

.floating-inquiry:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(24, 168, 123, .34);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
}

.modal.open {
  display: block;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 32, .62);
  backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  width: min(980px, calc(100vw - 34px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  margin: 24px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
  animation: modalIn .22s ease both;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--deep);
  font-size: 24px;
  cursor: pointer;
}

.modal-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 30px;
  padding: 34px;
  align-items: center;
}

.modal-grid img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fbfd;
}

.modal-grid h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.detail-points {
  display: grid;
  gap: 8px;
  margin: 22px 0;
  padding: 18px;
  background: var(--soft);
  border-left: 3px solid var(--green);
}

.detail-points strong {
  color: var(--deep);
}

.detail-points span {
  color: var(--muted);
}

.read-more::after {
  content: ">";
  margin-left: 8px;
  transition: transform .2s ease;
}

.news-card:hover .read-more::after {
  transform: translateX(4px);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease var(--delay, 0ms), transform .6s ease var(--delay, 0ms);
}

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

.subpage-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 42px;
  align-items: center;
  padding: 118px 6vw 54px;
  background: linear-gradient(180deg, #f7fafc 0, #eef4f8 100%);
  border-bottom: 1px solid var(--line);
}

.news-detail-intro {
  grid-template-columns: minmax(0, 1fr) minmax(460px, 29vw);
  gap: clamp(42px, 7vw, 92px);
}

.subpage-intro h1 {
  margin: 0 0 16px;
  color: var(--deep);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.06;
}

.subpage-intro p:not(.eyebrow), .subpage-intro time {
  max-width: 820px;
  color: #405065;
  font-size: 18px;
}

.subpage-intro .product-meta {
  margin: 10px 0 18px;
}

.intro-panel {
  display: grid;
  gap: 14px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(21, 33, 48, .08);
}

.intro-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  border-radius: 6px;
  background: #f6f9fc;
}

.intro-panel img.contain-image {
  object-fit: contain;
  background: #fff;
  padding: 18px;
}

.news-detail-intro .intro-panel {
  padding: 18px;
}

.news-detail-intro .intro-panel img {
  aspect-ratio: 16 / 9;
  min-height: 300px;
}

.customer-logo-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  min-height: 260px;
}

.customer-logo-cell {
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(180deg, #fff, #f8fbfd);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.customer-logo-cell img {
  width: 100%;
  max-height: 54px;
  aspect-ratio: auto;
  object-fit: contain;
  border: 0;
  border-radius: 0;
}

.customer-logo-cell span {
  color: var(--deep);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.35;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mini-stats span {
  padding: 10px 8px;
  background: var(--soft);
  color: var(--deep);
  border-left: 3px solid var(--green);
  font-size: 13px;
  font-weight: 700;
}

.subpage-intro .back-link {
  color: var(--blue);
}

.news-hero {
  position: relative;
  min-height: 58vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 150px 6vw 70px;
  color: #fff;
}

.news-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, .32), rgba(13, 27, 42, .86));
}

.news-hero-copy {
  position: relative;
  z-index: 1;
  width: min(900px, 100%);
  animation: heroIn .55s ease both;
}

.news-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.12;
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: #8ee4c5;
  font-weight: 700;
}

.news-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 42px;
  align-items: start;
}

.news-detail article, .news-detail aside {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.news-detail article {
  padding: clamp(26px, 5vw, 58px);
  font-size: 18px;
}

.news-detail article p {
  margin: 0 0 18px;
  color: #405065;
}

.news-detail article .article-image {
  margin: 30px 0 34px;
}

.news-detail article .article-image:first-child {
  margin-top: 0;
}

.news-detail article .article-image img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f9fc;
  box-shadow: 0 16px 36px rgba(21, 33, 48, .08);
}

.news-detail article .article-image.featured img {
  max-height: 560px;
}

.news-detail article .article-image figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.news-detail aside {
  padding: 24px;
  position: sticky;
  top: 92px;
}

.news-detail aside h2 {
  font-size: 22px;
}

.news-detail aside a {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.news-detail aside time {
  color: var(--muted);
  font-size: 13px;
}

.news-detail aside strong {
  color: var(--deep);
}

.about-detail-hero {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 42px;
  align-items: center;
  min-height: 72vh;
  padding: 130px 6vw 70px;
  background: #101b29;
  color: #fff;
}

.about-detail-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 1;
}

.about-detail-hero p:not(.eyebrow) {
  max-width: 720px;
  color: #d7e1ec;
  font-size: 22px;
}

.about-detail-hero img {
  border: 1px solid #284057;
  border-radius: 8px;
  background: #152337;
}

.about-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 42px;
  align-items: start;
}

.about-detail article, .about-detail aside {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 46px);
}

.about-detail article h2 {
  font-size: 28px;
  margin-top: 26px;
}

.about-detail article h2:first-child {
  margin-top: 0;
}

.about-detail article p {
  color: #405065;
  font-size: 18px;
}

.about-detail aside {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 12px;
}

.about-detail aside strong {
  color: var(--deep);
  font-size: 20px;
}

.about-detail aside span {
  padding: 10px 12px;
  background: var(--soft);
  color: #405065;
  border-left: 3px solid var(--blue);
}

.about-onepage {
  display: grid;
  gap: 34px;
}

.about-anchor-tabs {
  position: sticky;
  top: 72px;
  z-index: 5;
  background: rgba(246, 249, 252, .92);
  backdrop-filter: blur(10px);
  padding-top: 12px;
}

.about-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) .9fr;
  gap: 34px;
  align-items: center;
  padding: clamp(26px, 5vw, 54px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  scroll-margin-top: 108px;
}

.about-block.reverse > div {
  order: 2;
}

.about-block h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.about-block p {
  color: #405065;
  font-size: 18px;
}

.about-block > img, .about-mini-gallery img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.about-block > img {
  aspect-ratio: 4 / 3;
}

.about-mini-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.about-mini-gallery figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.about-mini-gallery figure:first-child {
  grid-column: span 2;
}

.about-mini-gallery img:first-child {
  grid-column: span 2;
}

.about-mini-gallery img {
  aspect-ratio: 16 / 10;
}

.about-mini-gallery figure img {
  height: 100%;
  min-height: 220px;
  border: 0;
  border-radius: 0;
}

.about-mini-gallery figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 8px 10px;
  border-radius: 4px;
  color: #fff;
  font-weight: 700;
  background: rgba(16, 27, 41, .72);
  backdrop-filter: blur(6px);
}

.cert-block {
  grid-template-columns: .8fr 1.2fr;
}

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

.cert-card {
  display: grid;
  grid-template-rows: 170px 1fr;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.cert-card:hover,
.cert-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(11, 92, 173, .28);
  box-shadow: 0 16px 34px rgba(21, 33, 48, .1);
  outline: 0;
}

.cert-card img,
.cert-placeholder {
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: linear-gradient(135deg, #eef5fb, #dce9f4);
}

.cert-placeholder {
  display: grid;
  place-items: center;
  padding: 18px;
  color: #15548d;
  font-size: 20px;
  font-weight: 800;
}

.cert-card div:last-child {
  padding: 16px;
}

.cert-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.cert-card h3 {
  margin: 0 0 8px;
  color: var(--deep);
  font-size: 18px;
}

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

.cert-modal {
  padding: clamp(22px, 4vw, 42px);
}

.cert-modal h2 {
  margin: 0 0 20px;
  color: var(--deep);
}

.cert-modal img {
  display: block;
  max-width: min(900px, 82vw);
  max-height: 72vh;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.product-detail-hero {
  display: grid;
  grid-template-columns: 1fr .95fr;
  gap: 42px;
  align-items: center;
  min-height: 72vh;
  padding: 130px 6vw 70px;
  background: #101b29;
  color: #fff;
}

.product-detail-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(40px, 5vw, 76px);
  line-height: 1.06;
}

.product-detail-hero p:not(.eyebrow) {
  max-width: 680px;
  color: #d7e1ec;
  font-size: 20px;
}

.product-detail-hero img {
  border: 1px solid #284057;
  border-radius: 8px;
  background: #152337;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 42px;
  align-items: start;
}

.product-detail article, .product-detail aside {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 46px);
}

.product-detail article h2 {
  margin-top: 30px;
  font-size: 28px;
}

.product-detail article h2:first-child {
  margin-top: 0;
}

.product-detail article p {
  color: #405065;
  font-size: 18px;
}

.detail-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0 8px;
}

.detail-columns div {
  padding: 18px;
  background: var(--soft);
  border-left: 3px solid var(--green);
}

.detail-columns strong, .detail-columns span {
  display: block;
}

.detail-columns strong {
  margin-bottom: 6px;
  color: var(--deep);
}

.detail-columns span {
  color: var(--muted);
}

.product-detail aside {
  position: sticky;
  top: 92px;
}

.product-detail aside h2 {
  font-size: 24px;
}

.product-detail aside p {
  color: var(--muted);
}

.product-variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfd;
}

.product-variant-card {
  display: grid;
  grid-template-rows: 152px auto;
  gap: 10px;
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(21, 35, 55, .1);
  border-radius: 6px;
  background: #fff;
  color: var(--deep);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.product-variant-card:hover {
  border-color: rgba(11, 92, 173, .34);
  box-shadow: 0 12px 24px rgba(21, 35, 55, .08);
  transform: translateY(-2px);
}

.product-variant-card img {
  width: 100%;
  height: 152px;
  object-fit: contain;
  border-radius: 4px;
  background: #f4f7fa;
}

.product-variant-card span {
  min-width: 0;
  overflow: hidden;
  color: var(--deep);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.related-products {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.related-products > strong {
  color: var(--deep);
}

.related-products a {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color .2s ease, transform .2s ease;
}

.related-products a:hover {
  border-color: rgba(11, 92, 173, .34);
  transform: translateY(-2px);
}

.related-products img {
  width: 86px;
  height: 58px;
  object-fit: cover;
  border-radius: 4px;
}

.related-products span {
  color: var(--deep);
  font-weight: 700;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.process-strip div {
  padding: 24px;
  background: #fff;
}

.process-strip span {
  color: var(--green);
  font-weight: 800;
}

.process-strip strong {
  display: block;
  margin: 10px 0 8px;
  color: var(--deep);
  font-size: 20px;
}

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

.audit-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 34px;
  padding: 30px;
  background: #101b29;
  color: #d7e1ec;
  border-radius: 8px;
}

.audit-band h2 {
  color: #fff;
  font-size: 26px;
}

.audit-band p {
  max-width: 860px;
  margin: 0;
}

.tabbed-layout {
  display: grid;
  gap: 28px;
}

.sub-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.sub-tabs a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--deep);
  font-weight: 700;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.sub-tabs a.active, .sub-tabs a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.tabbed-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 34px;
  align-items: start;
}

.tabbed-content article, .tabbed-content aside {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 44px);
}

.tabbed-content article h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.tabbed-content article p {
  color: #405065;
  font-size: 18px;
}

.tabbed-content aside {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 92px;
}

.tabbed-content aside strong {
  color: var(--deep);
  font-size: 20px;
}

.tabbed-content aside span {
  padding: 10px 12px;
  background: var(--soft);
  border-left: 3px solid var(--green);
  color: #405065;
}

.tab-products {
  margin-top: 4px;
}

.subpage-gallery {
  display: grid;
  grid-template-columns: 1.25fr .85fr;
  gap: 18px;
}

.subpage-gallery.even {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.subpage-gallery figure {
  margin: 0;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  display: grid;
  grid-template-rows: minmax(220px, auto) auto;
}

.subpage-gallery figure.wide {
  grid-row: span 2;
  min-height: 478px;
}

.subpage-gallery.even figure {
  min-height: 0;
  grid-row: auto;
  grid-template-rows: minmax(220px, auto) auto;
}

.subpage-gallery.pair figure {
  min-height: 0;
  grid-row: auto;
  grid-template-rows: 360px 1fr;
}

.subpage-gallery img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  background: #f6f9fc;
  transition: transform .35s ease;
}

.subpage-gallery.pair img {
  height: 100%;
  max-height: none;
}

.subpage-gallery figure:hover img {
  transform: scale(1.03);
}

.subpage-gallery figcaption {
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px;
  background: #fff;
}

.subpage-gallery figcaption strong {
  color: var(--deep);
  font-size: 18px;
}

.subpage-gallery figcaption span {
  color: var(--muted);
  line-height: 1.55;
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 900px) {
  .site-header { height: 64px; padding: 0 20px; }
  .brand img { width: 124px; max-height: 36px; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 64px;
    display: none;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav-group { padding: 0; }
  .nav-group > a {
    display: block;
  }
  .dropdown {
    display: none;
  }
  .nav-group:hover .dropdown,
  .nav-group:focus-within .dropdown {
    display: block;
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 6px 16px;
  }
  .dropdown a { padding: 9px 20px; border-top: 0; }
  .hero { min-height: 88vh; }
  .hero-content { margin: 0 22px; width: auto; }
  .hero-proof { grid-template-columns: 1fr; }
  .metric-band { grid-template-columns: repeat(2, 1fr); }
  .metric-band div { min-height: 104px; padding: 20px 16px; }
  .section { padding: 68px 22px; }
  .section-head:has(.section-more) { align-items: flex-start; flex-direction: column; }
  .about-grid, .quality, .contact { grid-template-columns: 1fr; gap: 34px; }
  .card-grid, .equipment-grid, .product-grid, .news-grid, .logo-grid { grid-template-columns: 1fr; }
  .news-list-item { grid-template-columns: 1fr; }
  .news-thumb img { min-height: 220px; }
  .map-region.guangxi { left: 6%; top: 10%; }
  .map-region.liuzhou { left: 12%; top: 26%; }
  .map-region.liudong { right: 8%; top: 20%; }
  .map-region.park { right: 8%; bottom: 38%; }
  .map-pin { left: 58%; top: 44%; }
  .map-label { left: 48%; top: 56%; }
  .map-box { min-height: 520px; }
  .map-overview { left: 16px; top: 16px; max-width: calc(100% - 32px); }
  .map-fallback { left: 16px; bottom: 16px; max-width: calc(100% - 32px); }
  .image-stack { grid-template-columns: 1fr; }
  .image-stack img:first-child { grid-column: auto; }
  .footer { padding: 22px; column-gap: 8px; font-size: 12px; }
  .subpage-intro { grid-template-columns: 1fr; gap: 24px; padding: 96px 22px 38px; }
  .news-detail-intro .intro-panel img { min-height: 220px; }
  .mini-stats { grid-template-columns: 1fr; }
  .customer-logo-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: auto; }
  .news-hero { min-height: 54vh; padding: 120px 22px 52px; }
  .news-detail { grid-template-columns: 1fr; }
  .news-detail aside { position: static; }
  .news-detail article .article-image img { max-height: 420px; }
  .modal-grid { grid-template-columns: 1fr; padding: 24px; }
  .floating-inquiry { right: 16px; bottom: 16px; }
  .about-detail-hero { grid-template-columns: 1fr; padding: 110px 22px 52px; }
  .about-detail { grid-template-columns: 1fr; }
  .about-detail aside { position: static; }
  .about-anchor-tabs { position: static; }
  .about-block { grid-template-columns: 1fr; }
  .about-block.reverse > div { order: initial; }
  .cert-block { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .about-mini-gallery { grid-template-columns: 1fr; }
  .about-mini-gallery img:first-child { grid-column: auto; }
  .product-detail-hero { grid-template-columns: 1fr; padding: 110px 22px 52px; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail aside { position: static; }
  .detail-columns { grid-template-columns: 1fr; }
  .process-strip { grid-template-columns: 1fr; }
  .audit-band { align-items: flex-start; flex-direction: column; }
  .tabbed-content { grid-template-columns: 1fr; }
  .tabbed-content aside { position: static; }
  .subpage-gallery,
  .subpage-gallery.even { grid-template-columns: 1fr; }
  .subpage-gallery.pair { grid-template-columns: 1fr; }
  .subpage-gallery figure.wide { grid-row: auto; min-height: 260px; }
  .subpage-gallery.even figure { grid-template-rows: minmax(220px, auto) auto; }
  .subpage-gallery.pair figure { grid-template-rows: 280px 1fr; }
  .subpage-gallery img { max-height: 420px; }
  .cta-band { align-items: flex-start; flex-direction: column; padding: 46px 22px; }
}