:root {
  --red: #d71920;
  --red-dark: #a90f15;
  --ink: #111111;
  --muted: #686868;
  --line: #e8e8e8;
  --soft: #f5f5f3;
  --white: #ffffff;
  --container: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav-wrap {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand img {
  display: block;
  width: 190px;
  height: 66px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 34px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a,
.footer-nav a {
  transition: color .2s ease;
}

.main-nav a:hover,
.footer-nav a:hover,
.text-link:hover,
.product-info a:hover,
.event-card a:hover {
  color: var(--red);
}

.header-cta,
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 24px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-radius: 2px;
  transition: .2s ease;
}

.header-cta,
.btn-primary {
  background: var(--red);
  color: #fff;
}

.header-cta:hover,
.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.hero {
  padding: 82px 0 70px;
  background:
    radial-gradient(circle at 80% 35%, rgba(215,25,32,.08), transparent 28%),
    linear-gradient(120deg, #fff 0%, #f7f7f5 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 80px;
  align-items: center;
}

.eyebrow,
.section-kicker,
.product-tag,
.event-status {
  display: inline-block;
  color: var(--red);
  font-size: 11px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .16em;
}

.section-kicker {

  color: #111111;
}

.contact .section-kicker {

  color: var(--red);
}

.hero h1 {
  margin: 18px 0 20px;
  font-size: clamp(44px, 6vw, 72px);
  line-height: .98;
  letter-spacing: -.045em;
}

.hero h1 span {
  color: var(--red);
}

.hero-copy > p {
  max-width: 630px;
  margin: 0;
  color: #555;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.btn-outline {
  border: 1px solid #1c1c1c;
  color: #111;
}

.btn-outline:hover {
  background: #111;
  color: #fff;
}

.hero-points {
  display: flex;
  gap: 28px;
  margin-top: 45px;
  padding-top: 22px;
  border-top: 1px solid #ddd;
}

.hero-points div {
  display: grid;
  gap: 2px;
}

.hero-points strong {
  color: var(--red);
  font-size: 12px;
}

.hero-points span {
  font-size: 12px;
  font-weight: 700;
}

.hero-card {
  background: #111;
  padding: 18px;
  box-shadow: 18px 18px 0 rgba(215,25,32,.9);
}

.hero-card-top {
  padding: 8px 4px 15px;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .14em;
}

.hero-machine-placeholder {
  min-height: 430px;
  display: grid;
  place-items: center;
  /*background: #fff;*/
  color: #999;
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  background-image: url("upload/images/banner-sunymetal.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-card-bottom {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 15px 4px 2px;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.trust-strip {
  background: #111;
  color: #fff;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-grid > div {
  padding: 25px 20px;
  border-right: 1px solid #333;
}

.trust-grid > div:first-child {
  border-left: 1px solid #333;
}

.trust-grid strong,
.trust-grid span {
  display: block;
}

.trust-grid strong {
  color: #fff;
  font-size: 15px;
}

.trust-grid span {
  color: #999;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.section {
  padding: 105px 0;
}

.two-col {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 100px;
}

.section h2 {
  margin: 13px 0 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.about-copy {
  color: #555;
  font-size: 16px;
}

.about-copy p:first-child {
  margin-top: 0;
}

.text-link {
  display: inline-flex;
  gap: 10px;
  margin-top: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.products {
  background: var(--soft);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading > p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {

  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.product-card .product-a {

  width: 280px;
  display: inline-block;
  border: 2px solid;
  border-image: linear-gradient(to right, #d71920, #111111) 1;
  padding: 10px;

}


.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(215, 25, 32, 0.48);
}

.product-image {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  color: #aaa;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.product-image img {

  width: 100%;
}

.product-info {
  /*padding: 22px;*/
}

.product-info h3 {

  margin: 0 0 18px 0;
  font-size: 18px;
  line-height: 1.25;
  color: #d71920;
}

.product-info span {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--lines, 2);
  /* 默认2行 */
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12px;
  font-weight: 600;
}

.product-info a,
.event-card a {
  color: #111;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.solution-panel {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 70px;
  padding: 70px;
  background: #d71920;
  color: #fff;
}

.solutions1 {

  padding: 0;
  background-color: #d71920;
}

.solution-copy h2 {
  max-width: 650px;
}

.solution-copy p {
  max-width: 650px;
  margin: 22px 0 30px;
  color: #bdbdbd;
}

.btn-light {
  background: #fff;
  color: #111;
}

.btn-light:hover {
  background: #111111;
  color: #fff;
}

.solution-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #333;
}

.solution-stats div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  background: #111;
}

.solution-stats strong {
  color: var(--red);
  font-size: 30px;
}

.solution-stats span {
  color: #ddd;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.event-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.event-card {
  display: grid;
  grid-template-columns: 125px 1fr;
  gap: 25px;
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.event-date {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 125px;
  background: var(--red);
  color: #fff;
}

.event-date strong {
  font-size: 30px;
  line-height: 1;
}

.event-date span {
  margin-top: 7px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .1em;
}

.event-card h3 {
  margin: 10px 0 8px;
  font-size: 21px;
  line-height: 1.2;
}

.event-card p {
  margin: 0 0 15px;
  color: #666;
  font-size: 14px;
}

.contact {
  background: #f4f4f2;
}

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 80px;
}

.contact-intro > p {
  max-width: 520px;
  color: #666;
}

.contact-list {
  margin-top: 32px;
  display: grid;
  gap: 15px;
}

.contact-list a {
  display: flex;
  align-items: center;
  gap: 15px;
  font-weight: 800;
}

.contact-list small {
  display: block;
  margin-bottom: 2px;
  color: #888;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid #ccc;
  background: #fff;
  color: var(--red);
  font-weight: 900;
}

.social-box {
  margin-top: 34px;
  padding-top: 25px;
  border-top: 1px solid #d8d8d8;
}

.social-box strong {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.social-links {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.social-links a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  border-radius: 50%;
}

.social-links a:hover {
  background: var(--red);
}

.contact-form {
  padding: 35px;
  background: #fff;
  border: 1px solid #ddd;
  box-shadow: 0 15px 45px rgba(0,0,0,.05);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-form label {
  display: block;
  margin-bottom: 18px;
  color: #222;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 14px 15px;
  border: 1px solid #d8d8d8;
  border-radius: 0;
  outline: none;
  background: #fff;
  color: #111;
  font: inherit;
  font-size: 14px;
  text-transform: none;
  letter-spacing: normal;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--red);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 12px 0 0;
  color: #888;
  font-size: 11px;
}

.footer {
  padding: 45px 0;
  background: #0c0c0c;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 40px;
}


.footer p {
  margin: 8px 0 0;
  color: #999;
  font-size: 11px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  color: #ccc;
  font-size: 12px;
  font-weight: 700;
}

.copyright {
  color: #777;
  font-size: 11px;
}

@media (max-width: 1050px) {
  .main-nav { gap: 18px; }
  .hero-grid { gap: 45px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .container { width: min(var(--container), calc(100% - 32px)); }

  .site-header { position: relative; }
  .nav-wrap { min-height: 78px; }
  .main-nav { display: none; }
  .header-cta { padding: 0 16px; }

  .hero { padding: 55px 0; }
  .hero-grid,
  .two-col,
  .solution-panel,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-card { box-shadow: 10px 10px 0 rgba(215,25,32,.9); }
  .hero-machine-placeholder { min-height: 320px; }

  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid > div:nth-child(3) { border-left: 1px solid #333; }
  .trust-grid > div:nth-child(3),
  .trust-grid > div:nth-child(4) { border-top: 1px solid #333; }

  .section { padding: 72px 0; }
  .two-col { gap: 35px; }
  .section-heading { align-items: start; flex-direction: column; gap: 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .event-grid { grid-template-columns: 1fr; }
  .solution-panel { padding: 42px 30px; gap: 35px; }
  .contact-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 520px) {
  .brand img { width: 145px; height: 55px; }
  .header-cta { min-height: 40px; padding: 0 12px; font-size: 10px; }

  .hero h1 { font-size: 44px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-points { gap: 15px; flex-wrap: wrap; }

  .trust-grid,
  .product-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .trust-grid > div { border-left: 1px solid #333; }
  .trust-grid > div:nth-child(n+2) { border-top: 1px solid #333; }

  .event-card { grid-template-columns: 1fr; }
  .event-date { min-height: 100px; }

  .contact-form { padding: 25px 18px; }
  .footer-nav { flex-wrap: wrap; }
}


/* =========================================================
   SUNY METAL — Header + Responsive Banner
   ========================================================= */

.site-header {
  position: relative;
  top: auto;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid #e6e6e6;
  backdrop-filter: none;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid #eeeeee;
}

.topbar-inner {
  min-height: 88px;
  display: grid;
  grid-template-columns: 190px minmax(250px, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.brand img {
  display: block;
  width: 180px;
  height: 90px;
  object-fit: contain;
}

.brand-slogan {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
  border-left: 1px solid #e5e5e5;
  padding-left: 25px;
}

.brand-slogan strong {
  color: var(--red);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .01em;
}

.brand-slogan span {
  margin-top: 5px;
  color: #111;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .03em;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 9px;
}

.social-window,
.contact-window {
  min-height: 52px;
  /*border: 1px solid #e5e5e5;*/
  background: #fff;
}

.social-window {
  padding: 7px 10px;
}

.contact-window1 {
  display: flex;
  flex-direction: column;
}

.contact-window1 .contact-window {
  min-height: auto;
}

.contact-window1 .contact-window span strong {
  font-size: 14px;
}

.contact-window1 .contact-window:hover span strong {
  color: var(--red);
}

.contact-window {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 11px;
  white-space: nowrap;
}

.contact-window:hover {
  border-color: var(--red);
}

.contact-window > span:last-child {
  display: flex;
  flex-direction: column;
}

.contact-window small,
.contact-label {
  color: #888;
  font-size: 8px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .12em;
}

.contact-window strong {
  margin-top: 4px;
  color: #111;
  font-size: 11px;
  line-height: 1.1;
}

.contact-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 28px;
  background: var(--red);
  color: #fff;
  font-size: 9px;
  font-weight: 900;
}

.top-social {
  display: flex;
  gap: 5px;
  margin-top: 5px;
}

.top-social a {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  border-radius: 2px;
  font-size: 8px;
  font-weight: 900;
}

.top-social a:hover {
  background: var(--red);
}

.nav-bar {
  position: relative;
  background: #111;
}

.nav-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-nav {
  display: flex;
  align-items: stretch;
  gap: 0;
  height: 62px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .045em;
}

.main-nav > a,
.nav-trigger {
  height: 62px;
  display: inline-flex;
  align-items: center;
  padding: 0 19px;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  cursor: pointer;
  text-transform: uppercase;
}

.main-nav > a:hover,
.nav-trigger:hover,
.nav-item.open > .nav-trigger {
  background: var(--red);
  color: #fff;
}

.nav-trigger span {
  /*margin-left: 7px;*/
  color: #aaa;
  font-size: 13px;
  transition: transform .2s ease;
}

.nav-item.open .nav-trigger span {
  color: #fff;
  transform: rotate(180deg);
}

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

.dropdown,
.mega-menu {
  position: absolute;
  top: 62px;
  left: 0;
  right: 0;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.nav-item.open .dropdown,
.nav-item.open .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.simple-dropdown {
  left: auto;
  right: auto;
  min-width: 220px;
  padding: 12px 0;
  background: #fff;
  border: 1px solid #ddd;
  box-shadow: 0 15px 35px rgba(0,0,0,.14);
}

.simple-dropdown a {
  display: block;
  padding: 11px 20px;
  color: #222;
  font-size: 12px;
  font-weight: 700;
}

.simple-dropdown a:hover {
  background: #f5f5f5;
  color: var(--red);
}

.mega-menu {
  min-height: 250px;
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 1fr);
  gap: 0;
  padding: 35px max(24px, calc((100% - 1180px) / 2));
  background: #fff;
  border-top: 3px solid var(--red);
  box-shadow: 0 18px 40px rgba(0,0,0,.15);
}

.mega-intro {
  padding: 5px 40px 10px 0;
  border-right: 1px solid #e5e5e5;
}

.mega-intro > span,
.mega-column h4 {
  color: var(--red);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .13em;
}

.mega-intro h3 {
  margin: 9px 0 8px;
  color: #111;
  font-size: 24px;
  line-height: 1.1;
}

.mega-intro p {
  max-width: 240px;
  margin: 0 0 16px;
  color: #777;
  font-size: 12px;
  line-height: 1.6;
}

.mega-intro a {
  color: #111;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.mega-intro a:hover {
  color: var(--red);
}

.mega-column {

  /*padding: 5px 25px;*/
  border-right: 1px solid #e5e5e5;
}

.mega-column:last-child {
  border-right: 0;
}

.mega-column h4 {
  margin: 0 0 14px;
}

.mega-column a {

  display: block;
  /*margin: 0 0 10px;*/
  color: #333;
  font-size: 12px;
  font-weight: 600;
  width: 300px;
}

.mega-column a:hover {
  color: var(--red);
  padding-left: 3px;
}

.header-cta {
  min-height: 40px;
  padding: 0 18px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .05em;
}

.header-cta:hover {
  background: var(--red-dark);
  color: #fff;
}

.mobile-toggle,
.mobile-menu {
  display: none;
}

/* Banner */
.banner {
  position: relative;
  height: min(650px, calc(100vh - 150px));
  min-height: 520px;
  overflow: hidden;
  background: #171717;
}

.banner-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  background-position: center;
  background-size: cover;
  transition: opacity .7s ease, visibility .7s ease;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-one {
  background-image: url("upload/images/1.jpg");
  /*background-image: linear-gradient(90deg, #181818 0%, #272727 48%, #4a4a4a 100%);*/
}

.slide-two {
   background-image: url("upload/images/2.avif");
  /*background-image: linear-gradient(90deg, #111 0%, #333 50%, #555 100%);*/
}

.slide-three {
  /* Replace with: background-image: url("assets/banner-03.jpg"); */
  background-image:
    linear-gradient(90deg, #151515 0%, #292929 48%, #4c4c4c 100%);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  /*background: linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.45) 45%, rgba(0,0,0,.08) 100%);*/
}

.banner-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding-top: 10px;
}

.banner-kicker {
  display: inline-block;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .18em;
  border-left: 3px solid var(--red);
  padding-left: 12px;
}

.banner h1 {
  max-width: 760px;
  margin: 18px 0 20px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -.045em;
}

.banner h1 em {
  color: #fff;
  font-style: normal;
}

.banner h1 em::first-line {
  color: var(--red);
}

.banner p {
  max-width: 590px;
  margin: 0;
  color: #ddd;
  font-size: 16px;
  line-height: 1.7;
}

.banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  min-height: 48px;
  padding: 0 22px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .07em;
}

.banner-btn:hover {
  background: #fff;
  color: #111;
}

.banner-controls {
  position: absolute;
  z-index: 5;
  right: max(24px, calc((100% - 1180px) / 2));
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.banner-controls button {
  border: 0;
  cursor: pointer;
}

.banner-prev,
.banner-next {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3) !important;
}

.banner-prev:hover,
.banner-next:hover {
  background: var(--red);
  border-color: var(--red) !important;
}

.banner-dots {
  display: flex;
  gap: 5px;
  margin: 0 3px;
}

.banner-dots button {
  width: 25px;
  height: 3px;
  padding: 0;
  background: rgba(255,255,255,.35);
}

.banner-dots button.active {
  background: var(--red);
}

/* Existing contact/social styles are retained for the rest of the page. */

@media (max-width: 1180px) {
  .topbar-inner {
    grid-template-columns: 165px 1fr;
  }

  .header-contact {
    grid-column: 1 / -1;
    justify-content: flex-end;
    padding-bottom: 10px;
  }

  .topbar-inner {
    padding-top: 12px;
  }

  .nav-inner {
    min-height: 58px;
  }

  .main-nav {
    height: 58px;
  }

  .main-nav > a,
  .nav-trigger {
    height: 58px;
    padding: 0 12px;
    font-size: 11px;
  }

  .dropdown,
  .mega-menu {
    top: 58px;
  }

  .mega-menu {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 900px) {
  .topbar-inner {
    grid-template-columns: 150px 1fr;
    gap: 16px;
  }

  .brand img {
    width: 150px;
  }

  .brand-slogan strong {
    font-size: 14px;
  }

  .brand-slogan span {
    font-size: 10px;
  }

  .main-nav > a,
  .nav-trigger {
    padding: 0 8px;
    font-size: 10px;
  }

  .header-cta {
    display: none;
  }

  .mega-menu {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .mega-intro {
    display: none;
  }
}

@media (max-width: 767px) {
  .topbar-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 9px;
    padding: 13px 0;
  }

  .brand {
    justify-self: center;
  }

  .brand img {
    width: 155px;
    height: 52px;
  }

  .brand-slogan {
    align-items: center;
    border-left: 0;
    padding-left: 0;
    text-align: center;
  }

  .brand-slogan strong {
    font-size: 14px;
  }

  .brand-slogan span {
    font-size: 10px;
  }

  .header-contact {
    grid-column: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    padding: 0;
  }

  .social-window {
    grid-column: 1 / -1;
    justify-self: center;
    width: auto;
  }

  .contact-window {
    justify-content: center;
    min-height: 45px;
    padding: 5px 8px;
  }

  .contact-window strong {
    font-size: 9px;
  }

  .nav-bar {
    min-height: 58px;
  }

  .nav-inner {
    min-height: 58px;
  }

  .main-nav,
  .nav-inner > .header-cta {
    display: none;
  }

  .mobile-toggle {
    width: 46px;
    height: 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    margin-left: auto;
    padding: 0 11px;
    border: 1px solid #444;
    background: transparent;
    cursor: pointer;
  }

  .mobile-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    transition: .2s ease;
  }

  .mobile-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    background: #111;
    color: #fff;
    transition: max-height .35s ease;
  }

  .mobile-menu.open {
    max-height: 900px;
    border-top: 1px solid #333;
  }

  .mobile-menu > a,
  .mobile-group > button {
    width: 100%;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border: 0;
    border-bottom: 1px solid #2c2c2c;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .07em;
    text-align: left;
  }

  .mobile-group > button {
    cursor: pointer;
  }

  .mobile-group > button:hover,
  .mobile-group.open > button {
    background: var(--red);
  }

  .mobile-submenu {
    display: none;
    background: #1b1b1b;
  }

  .mobile-group.open .mobile-submenu {
    display: block;
  }

  .mobile-submenu a {
    display: block;
    padding: 12px 35px;
    border-bottom: 1px solid #2c2c2c;
    color: #bbb;
    font-size: 11px;
  }

  .mobile-submenu a:hover {
    color: #fff;
  }

  .mobile-quote {
    background: var(--red) !important;
    justify-content: center !important;
  }

  .banner {
    height: 560px;
    min-height: 560px;
  }

  .banner-content {
    padding-top: 0;
  }

  .banner h1 {
    max-width: 600px;
    font-size: clamp(42px, 12vw, 60px);
  }

  .banner p {
    max-width: 520px;
    font-size: 14px;
  }

  .banner-controls {
    right: 16px;
    bottom: 20px;
  }
}

@media (max-width: 480px) {
  .header-contact {
    grid-template-columns: 1fr 1fr;
  }

  .contact-window .contact-icon {
    display: none;
  }

  .contact-window strong {
    font-size: 8.5px;
  }

  .banner {
    height: 530px;
    min-height: 530px;
  }

  .banner h1 {
    font-size: 43px;
    line-height: 1;
  }

  .banner p {
    font-size: 13px;
  }

  .banner-btn {
    margin-top: 22px;
  }

  .banner-controls {
    left: 16px;
    right: auto;
  }
}

/* =========================================================
   NAV V4 — ENERPAT-INSPIRED TEST VISUAL
   Based on V2 structure. The menu content below is test data.
   ========================================================= */
.site-header{border-bottom:0;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.nav-bar{
  /*background:#fff;*/
  border-top:1px solid #f0f0f0;border-bottom:1px solid #e7e7e7}
.nav-inner{min-height:72px}
.main-nav{height:72px;color:#111;font-size:12px;letter-spacing:.035em}
.main-nav> a,.nav-trigger{position:relative;height:72px;padding:0 17px;color:#1b1b1b;background:transparent;font-weight:800;gap:7px;transition:color .2s ease,background .2s ease}
.main-nav> a:hover,.nav-trigger:hover,.nav-item.open>.nav-trigger{background:#fff;color:var(--red)}
.main-nav> a:after,.nav-trigger:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.main-nav> a:hover:after,.nav-trigger:hover:after,.nav-item.open>.nav-trigger:after{transform:scaleX(1)}
.nav-index{display:inline-block;color:#aaa;font-size:8px;font-weight:700;letter-spacing:.08em;vertical-align:middle;margin-right:1px}
.main-nav> a:hover .nav-index,.nav-item.open .nav-index{color:var(--red)}
.nav-trigger i{font-style:normal;color:#777;font-size:13px;font-weight:400;line-height:1;transition:transform .2s ease;color:var(--red)}
.nav-item.open .nav-trigger i{transform:rotate(45deg)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{width:38px;height:38px;border:1px solid #dedede;background:#fff;color:#222;font-size:22px;line-height:1;cursor:pointer}
.nav-search:hover{border-color:var(--red);color:var(--red)}
.header-cta{min-height:42px;display:inline-flex;align-items:center;gap:12px;padding:0 15px;background:var(--red);color:#fff;font-size:10px;letter-spacing:.08em;font-weight:900}
.header-cta b{font-size:16px;font-weight:400;line-height:1}
.header-cta:hover{background:#151515;color:#fff}
.dropdown,.mega-menu{top:72px}
.simple-dropdown{min-width:255px;padding:0;background:#fff;border:1px solid #e1e1e1;border-top:3px solid var(--red);box-shadow:0 18px 42px rgba(0,0,0,.12)}
.dropdown-heading{padding:20px 20px 14px;border-bottom:1px solid #eee}
.dropdown-heading small{display:block;color:var(--red);font-size:8px;font-weight:900;letter-spacing:.15em}
.dropdown-heading strong{display:block;margin-top:5px;color:#111;font-size:19px}
.simple-dropdown a{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;border-bottom:1px solid #f1f1f1;color:#333;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.simple-dropdown a span{color:#aaa;font-size:13px;transition:transform .2s ease,color .2s ease}
.simple-dropdown a:hover{background:#fafafa;color:var(--red);padding-left:23px}
.simple-dropdown a:hover span{color:var(--red);transform:translateX(3px)}
.mega-menu{min-height:0;grid-template-columns:1.18fr repeat(3,1fr);padding:0 max(24px,calc((100% - 1180px)/2));background:#fff;border-top:3px solid var(--red);box-shadow:0 20px 45px rgba(0,0,0,.14)}
.mega-intro{padding:30px 34px 28px 0;border-right:1px solid #e7e7e7}
.mega-intro small,.mega-column h4{display:block;color:var(--red);font-size:9px;font-weight:900;letter-spacing:.14em}
.mega-intro h3{margin:8px 0 9px;font-size:23px;line-height:1.1;color:#111}
.mega-intro p{max-width:265px;margin:0 0 18px;color:#777;font-size:11px;line-height:1.65}
.mega-link{display:inline-flex!important;align-items:center;gap:12px;color:#111!important;font-size:9px!important;font-weight:900!important;letter-spacing:.08em;text-transform:uppercase}
.mega-link b{font-size:15px;font-weight:400;color:var(--red)}
/*.mega-column{padding:30px 25px 26px;border-right:1px solid #e7e7e7}*/
.mega-column:last-child{border-right:0}
/*.mega-column h4{margin:0 0 16px;padding-bottom:11px;border-bottom:1px solid #ececec}*/
.mega-column a{display:flex;justify-content:space-between;align-items:center;margin:0;padding:6px 0;color:#333;font-size:11px;font-weight:600;line-height:1.35}
.mega-column a span{color:#bbb;opacity:0;transform:translateX(-3px);transition:.18s ease}
.mega-column a:hover{color:var(--red);padding-left:0}
.mega-column a:hover span{opacity:1;color:var(--red);transform:translateX(0)}
.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-3px;height:3px;background:var(--red)}
@media (max-width:1250px){
 .main-nav> a,.nav-trigger{padding:0 11px;font-size:10px}.main-nav> a:after,.nav-trigger:after{left:10px;right:10px}.nav-actions{gap:6px}.header-cta{padding:0 11px}.mega-column{padding-left:18px;padding-right:18px}
}
@media (max-width:1050px){
 .nav-index{display:none}.main-nav> a,.nav-trigger{padding:0 9px;font-size:9px}.nav-search{display:none}.header-cta{font-size:9px}.mega-menu{padding-left:20px;padding-right:20px}
}
@media (max-width:820px){
 .nav-inner{min-height:58px}.nav-bar{min-height:58px}.main-nav,.nav-actions{display:none}.mobile-toggle{display:flex;width:44px;height:42px;flex-direction:column;justify-content:center;gap:5px;border:1px solid #ddd;background:#fff;cursor:pointer;margin-left:auto;padding:0 11px}.mobile-toggle span{display:block;height:2px;width:100%;background:#111;transition:.2s}.mobile-toggle.open{background:var(--red);border-color:var(--red)}.mobile-toggle.open span{background:#fff}.mobile-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.mobile-toggle.open span:nth-child(2){opacity:0}.mobile-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}


/* ===== SUNY METAL navigation fix: working 2nd/3rd-level menus ===== */
.suny-main-nav{
  position:relative;
  z-index:9999;
  width:100%;
  /*background:#fff;*/

  /*border-top:1px solid #eee;*/
  /*border-bottom:1px solid #ddd;*/
  box-shadow:0 4px 18px rgba(0,0,0,.06);
}
.nav-inner{
  max-width:1440px;
  min-height:76px;
  margin:0 auto;
  padding:0 28px;
  display:flex;
  align-items:center;
  gap:4px;
}
.suny-main-nav a,
.suny-main-nav button{font-family:Arial,Helvetica,sans-serif;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:76px;
  padding:0 18px;
  /*color:#171717;*/
  color:#ffffff;
  background:transparent;
  border:0;
  text-decoration:none;
  font-size:16px;
  font-weight:700;
  letter-spacing:.35px;
  cursor:pointer;
  white-space:nowrap;
}
.nav-item:hover,
.nav-item.active,
.nav-dropdown.open > .nav-trigger{
  color:#c9151e;
}
.nav-item::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:0;
  height:3px;
  background:#c9151e;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.nav-item:hover::after,
.nav-dropdown.open > .nav-trigger::after,
.nav-home.active::after{transform:scaleX(1);}
.chevron{
  /*margin-left:7px;*/
  font-size:18px;
  line-height:1;
  transition:transform .2s ease;
}
.nav-dropdown.open .chevron{transform:rotate(180deg);}

.nav-dropdown{position:static;height:76px;display:flex;align-items:center;}
.mega-menu{
  position:absolute;
  top:76px;
  left:50%;
  width:min(1240px, calc(100% - 40px));
  transform:translate(-50%, -10px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  background:#fff;
  border-top:3px solid #c9151e;
  box-shadow:0 14px 35px rgba(0,0,0,.14);
  padding:28px 34px 32px;
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-dropdown.open .mega-menu{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translate(-50%,0);
}
.mega-heading{
  display:flex;
  justify-content:space-between;
  align-items:end;
  padding-bottom:18px;
  margin-bottom:22px;
  border-bottom:1px solid #e5e5e5;
}
.mega-heading span{
  font-size:16px;
  font-weight:800;
  color:#c9151e;
  letter-spacing:.5px;
}
.mega-heading small{color:#777;font-size:12px;}
.mega-grid{
  display:grid;
  /*gap:200px;*/
  grid-column-gap: 370px;
  /*display: flex;*/
  /*justify-content: space-around;*/
  /*flex-wrap: wrap;*/

}
.three-col{grid-template-columns:repeat(3,1fr);}
.four-col{grid-template-columns:repeat(4,1fr);}
.five-col{grid-template-columns:repeat(5,1fr);}
.six-col{grid-template-columns:repeat(6,1fr);}
.mega-column{

  min-width:0;
  /*padding-right:22px;*/
  border-right:1px solid #eee;
}
.mega-column:last-child{border-right:0;}
.mega-title{
  margin-bottom:12px;
  color:var(--red);
  font-size:12px;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
  width: 300px;
}

.mega-column a{
  display:block;
  /*padding:8px 0;*/
  color:#555;
  font-size:13px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .15s ease,padding-left .15s ease;
}

.mega-title a{
  margin-bottom:12px;
  color:var(--red);
  font-size:12px;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
  width: 300px;
}

.mega-column a:hover{
  color:#c9151e;
  padding-left:5px;
}
.quote-btn{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:13px;
  padding:14px 20px;
  color:#fff !important;
  background:#c9151e;
  text-decoration:none;
  font-size:12px;
  font-weight:800;
  letter-spacing:.7px;
  white-space:nowrap;
  transition:background .2s ease,transform .2s ease;
}
.quote-btn:hover{background:#a80f17;transform:translateY(-1px);}
.quote-btn span{font-size:18px;}
.mobile-menu-btn{display:none;}
.mobile-menu-btn-i{display:none;}

@media (max-width:1199px){
  .nav-inner{padding:0 18px;}
  .nav-item{padding:0 11px;font-size:12px;}
  .nav-item::after{left:11px;right:11px;}
  .quote-btn{padding:13px 14px;}
  .mega-menu{width:calc(100% - 24px);padding:24px;}
}
@media (max-width:900px){
  .nav-inner{min-height:66px;}
  .suny-main-nav{height:66px;}
  .nav-item,.nav-dropdown{min-height:66px;height:66px;}
  .nav-item{padding:0 8px;font-size:11px;}
  .quote-btn{font-size:10px;padding:11px;}
  .mega-menu{top:66px;}
}
@media (max-width:767px){
  .nav-inner{min-height:62px;padding:0 16px;}
  .suny-main-nav{height:62px;}
  .nav-item,.nav-dropdown,.quote-btn{display:none;}
  .mobile-menu-btn{
    margin-left:auto;
    display:flex;
    width:50px;height:42px;
    align-items:center;justify-content:center;
    border:1px solid #ddd;
    background:#fff;
    color:#111;
    font-size:22px;
    cursor:pointer;
  }


  .nav-bar {
    /*background-color: #fff;*/
  }

  .mobile-menu-btn-i {

    display: flex;
    justify-content: space-between;
    padding: 2px 10px 2px 4px;
    width: 280px;
    height:42px;
    background-color: white;

  }

  .mobile-menu-btn-i span {

    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .mobile-menu-btn-i a {

    font-size: 12px;
    color: #d71920;
    font-weight: 600;
  }



  .mobile-menu-btn-i img {
    /*width: 100%;*/
    max-height: 42px;
    /*background-color: #fff;*/
  }
  .suny-main-nav.mobile-open .nav-inner{
    position:relative;
  }
  .suny-main-nav.mobile-open .nav-item,
  .suny-main-nav.mobile-open .nav-dropdown{
    display:flex;
  }
  .suny-main-nav.mobile-open .nav-inner{
    flex-direction:column;
    align-items:stretch;
    padding:8px 16px 18px;
  }
  .suny-main-nav.mobile-open{
    height:auto;
  }
  .suny-main-nav.mobile-open .mobile-menu-btn{
    position:absolute;
    top:10px;right:16px;
  }
  .suny-main-nav.mobile-open .nav-item{
    min-height:48px;height:48px;
    justify-content:space-between;
    padding:0 4px;
    border-bottom:1px solid #eee;
  }
  .suny-main-nav.mobile-open .nav-dropdown{
    height:auto;
    display:block;
  }
  .suny-main-nav.mobile-open .nav-trigger{
    width:100%;
    justify-content:space-between;
    min-height:48px;height:48px;
    padding:0 4px;
  }
  .suny-main-nav.mobile-open .mega-menu{
    position:static;
    width:100%;
    transform:none;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    display:none;
    box-shadow:none;
    border-top:1px solid #eee;
    padding:12px 10px;
  }
  .suny-main-nav.mobile-open .nav-dropdown.open .mega-menu{display:block;}
  .mega-heading{display:none;}
  .mega-grid,.five-col,.four-col,.three-col{grid-template-columns:1fr;gap:0;}
  .mega-column{border-right:0;border-bottom:1px solid #eee;
    /*padding:10px 0;*/
  }
  /*.mega-column a{padding:7px 0;}*/
}


.site-header {
  position: fixed;       /* ← 固定定位 */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid #e6e6e6;
  backdrop-filter: none;
}
/* 给 body 添加 padding-top，避免内容被 header 遮挡 */
body {
  padding-top: 170px;    /* 根据 header 高度调整 */
}




.text-link {
  color: var(--red);
}

.text-link:hover {
  color: #111111;
}

.solution-line {

  padding: 0;
}


.solution-line .solution-m {

  display: flex;
  justify-content: center;
  /*background-color: #111111;*/

}


.solution-line .solution-m .s-item-l,
.solution-line .solution-m .s-item-r {

  width: 24%;

}

.solution-line .solution-m .s-item-m{

  width: 50%;

}

.solution-line .solution-m .s-item-m{

  margin: 0 10px;


}

.solution-line .solution-m .s-item-m .s-item-t{

  margin-bottom: 10px;

}

.solution-line .solution-m a img {

  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.solution-line .solution-m .s-item-b {

  display: flex;
  /*justify-content: space-between;*/

}

.solution-line .solution-m .s-item-b .s-item-1 {

  width: 50%;

  margin-right: 5px;


}

.solution-line .solution-m .s-item-b .s-item-2 {

  width: 50%;
  margin-left: 5px;


}
.s-item {
  position: relative;
  overflow: hidden;
}

.s-item a {

  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
}

.s-item img {
  display: block;
  width: 100%;
}

/* 幕布 */
.s-item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;

  background: rgba(180, 0, 0, 0.55);

  transform: translateY(100%);
  transition: transform 0.45s ease;

  /* 关键：不阻挡 a 的点击 */
  pointer-events: none;
}

/* 白色圆形 + 红色加号 */
.s-item::after {
  content: "+";
  position: absolute;
  z-index: 3;

  top: 50%;
  left: 50%;

  width: 56px;
  height: 56px;

  border-radius: 50%;
  background: #fff;

  color: #d71920;
  font-size: 32px;
  font-weight: 300;
  line-height: 54px;
  text-align: center;

  transform: translate(-50%, -50%);
  opacity: 0;

  transition: opacity 0.25s ease 0.15s;

  /* 关键：不阻挡 a 的点击 */
  pointer-events: none;
}

/* Hover */
.s-item:hover::before {
  transform: translateY(0);
}

.s-item:hover::after {
  opacity: 1;
}

.news-info {

  display: flex;
  flex-direction: column;

}

.news-info-t {
  display: flex;
  justify-content: space-between;
}

.news-info-t .news-info-tm {

  display: block;
  width: 48%;
  padding: 10px;
  box-shadow: 0 15px 35px rgba(17, 17, 17, 0.35);

}

.news-info-t .news-info-tm:hover,
.news-info-b a:hover {

  box-shadow: 0 15px 35px  #d71920;

}
.news-info-t .news-info-tm img,
.news-info-b a img {

  width: 100%;

}

.news-info-t .news-info-tm h3{
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--lines, 1);
  /* 默认2行 */
  overflow: hidden;
  text-overflow: ellipsis;
  color: #d71920;
}


.news-info-t .news-info-tm p,
.news-info-b h3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--lines, 2);
  /* 默认2行 */
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-info-t .news-info-tm span,
.news-info-b a span {

  display: block;
  text-align: left;
  color: #d71920;
  font-weight: 700;

}

.news-info-b {

  display: flex;
  justify-content: space-between;
  margin-top: 20px;

}

.news-info-b a{

  display: block;
  width: 31%;
  padding: 10px;
  box-shadow: 0 15px 35px rgba(17, 17, 17, 0.35);

}

.exhibition img {

  width: 100%;
}

.footer{background:#0b0b0b;color:#fff; padding: 0;}
.footer-main{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px;padding:65px 0 55px}
.footer-brand{
  /*padding-right:35px;*/
  border-right:1px solid #292929}
.footer-logo{display:block;
  padding-right: 50px;
  width: 100%;
  height:100px;object-fit:contain;}
.footer-brand h3{margin:18px 0 8px;font-size:19px}.footer-brand p{max-width:390px;margin:0;color:#999;font-size:12px}
.footer-quote{display:inline-flex;gap:15px;margin-top:25px;padding:12px 0;
  color:var(--red);
  font-size:11px;font-weight:900;
  /*text-transform:uppercase;*/
  letter-spacing:.06em}.footer-quote span{color:var(--red);font-size:17px}
.footer-column{display:flex;flex-direction:column;gap:9px}
.footer-column h4{margin:0 0 10px;color:#fff;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.footer-column h4:before{content:"";display:inline-block;width:20px;height:2px;margin-right:8px;vertical-align:middle;background:var(--red)}
.footer-column a{color:#999;font-size:12px}
.footer-column a:hover{color:#fff;padding-left:3px}
.footer-bottom{border-top:1px solid #292929}
.footer-bottom-inner{min-height:65px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#777;font-size:11px}
.footer-links{display:flex;gap:22px}
.footer-links a:hover{color:#fff;}


.solution-none,
.footer-contact {
  display: none;
}

@media (max-width:400px){

  body {
    padding-top: 65px;
    padding-bottom: 58px;
  }

  .topbar-inner,
  .topbar,
  .brand-slogan,
  .header-contact {
    display: none;
  }

  .product-card .product-a {

    width: 160px;
  }

  .product-grid {

    grid-template-columns: repeat(2,1fr);;
  }


  .footer-contact {

    position: fixed !important;
    bottom:  0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 99999 !important;
    transform: none !important;
    transition: none !important;

    display: flex;
    justify-content: center;

    opacity: 0.9;
  }

  .footer-contact a {

    display: flex;
    justify-content: center;
    align-items: center;
    width: 50%;
    padding: 14px;
    background-color: #d71920;
    border-right: 1px solid #ffffff;

  }

  .footer-contact a:last-child {

    border-right: 0 solid #ffffff;
    background-color: #111;

  }
  .footer-contact a img {

    width: 30px;

  }

  .solution-m {

    display: none !important;

  }

  .solution-none {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  /* 每一行 */
  .solution-none-t,
  .solution-none-m,
  .solution-none-b {
    display: flex;
    gap: 10px;
  }

  /* 第一行、第三行：2个 */
  .solution-none-t a,
  .solution-none-b a {
    flex: 1;
  }

  /* 中间：1个 */
  .solution-none-m a {
    width: 100%;
  }

  /* 图片链接 */
  .solution-none a {
    position: relative;
    display: block;
    overflow: hidden;
    z-index: 1;
  }

  .solution-none img {
    display: block;
    width: 100%;
    height: auto;
  }


  /* =========================
     幕布
     ========================= */

  .solution-none a::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;

    background: rgba(215, 25, 32, 0.55);

    transform: translateY(100%);
    transition: transform 0.45s ease;

    pointer-events: none;
  }


  /* 白色圆形 + 红色加号 */
  .solution-none a::after {
    content: "+";

    position: absolute;
    z-index: 3;
    top: 50%;
    left: 50%;

    width: 56px;
    height: 56px;

    border-radius: 50%;
    background: #fff;

    color: #d71920;
    font-size: 32px;
    font-weight: 300;
    line-height: 54px;
    text-align: center;

    transform: translate(-50%, -50%);
    opacity: 0;

    transition: opacity 0.25s ease 0.15s;

    pointer-events: none;
  }


  /* Hover：幕布从下往上 */
  .solution-none a:hover::before {
    transform: translateY(0);
  }

  .solution-none a:hover::after {
    opacity: 1;
  }


  .news-info-tm h3 {

    font-size: 14px;
  }

  .news-info-tm p {

    font-size: 12px;
  }

  .news-info-tm span {

    font-size: 11px;

  }

  .news-info-b span,
  .news-info-b h3 {

    font-size: 10px;

  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 25px 12px;
    padding: 30px 12px 25px;
  }

  .footer-brand {
    grid-column: 1 / -1;
    text-align: center;
    border: 0;
  }

  .footer-logo {
    display: block;
    padding: 0;
    max-width: 150px;
    margin: 0 auto;
  }

  .footer-brand h3 {
    font-size: 14px;
    line-height: 1.5;
  }

  .footer-brand p {
    font-size: 12px;
    line-height: 1.6;
  }

  .footer-quote {
    font-size: 12px;
  }

  .footer-column h4 {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .footer-column a {
    font-size: 12px;
    line-height: 1.4;
    padding: 3px 0;
  }

  .footer-bottom {
    padding: 12px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 5px;
    text-align: center;
  }

  .footer-bottom-inner span,
  .footer-bottom-inner a {
    font-size: 11px;
  }



}