:root {
  --blue: #1d4ed8;
  --cyan: #0ea5e9;
  --deep: #071a35;
  --ink: #102033;
  --muted: #66758a;
  --line: rgba(29, 78, 216, .14);
  --soft: #eef6ff;
  --white: #fff;
  --shadow: 0 30px 90px rgba(14, 57, 110, .16);
  --radius: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: #f9fbff;
  line-height: 1.72;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .04;
  background-image:
    radial-gradient(circle at 20% 20%, #000 0 1px, transparent 1px),
    radial-gradient(circle at 80% 80%, #000 0 1px, transparent 1px);
  background-size: 20px 20px;
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  background: radial-gradient(circle at 50% 35%, #eef6ff, #ffffff 64%);
  transition: opacity .55s ease, visibility .55s ease;
}

.preloader.hide { opacity: 0; visibility: hidden; }

.brand-loader {
  font-size: clamp(46px, 7vw, 86px);
  font-style: italic;
  font-weight: 900;
  letter-spacing: -3px;
  color: var(--blue);
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.preloader p {
  margin: 0;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.74);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.68);
  transition: .25s ease;
}

.site-header.scrolled {
  box-shadow: 0 18px 45px rgba(12, 45, 90, .08);
}

.nav-wrap {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo-symbol {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, transparent 0 42%, #fff 42% 52%, transparent 52%),
    linear-gradient(135deg, #f59e0b, #0ea5e9 60%, #1d4ed8);
  box-shadow: 0 16px 34px rgba(29,78,216,.22);
}

.logo strong {
  display: block;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -1px;
  font-style: italic;
  color: var(--blue);
  line-height: 1;
}

.logo em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 15px;
  font-weight: 800;
}

.nav a {
  position: relative;
}

.nav a:not(.nav-btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  height: 2px;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width .25s ease;
}

.nav a:hover::after { width: 100%; }

.nav-btn {
  padding: 10px 18px;
  border-radius: 999px;
  color: white !important;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 16px 36px rgba(29,78,216,.24);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(14,57,110,.12);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.section {
  padding: 92px 0;
  position: relative;
}

.section-dark { color: #fff; }

.hero {
  min-height: calc(100vh - 76px);
  padding: 96px 0 72px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--deep);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(.88) contrast(1.03);
  transform: scale(1.03);
  animation: kenBurns 16s ease-in-out infinite alternate;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 13, 31, .92), rgba(5, 29, 68, .68) 46%, rgba(6, 15, 30, .22)),
    linear-gradient(0deg, rgba(3, 13, 31, .72), transparent 45%, rgba(3, 13, 31, .22));
}

.hero-shape {
  position: absolute;
  z-index: 1;
  border-radius: 50%;
  filter: blur(1px);
  opacity: .24;
}

.shape-one {
  width: 420px; height: 420px;
  background: var(--cyan);
  right: -120px; top: 10%;
  animation: float 7s ease-in-out infinite;
}

.shape-two {
  width: 240px; height: 240px;
  background: #60a5fa;
  left: 42%; bottom: 8%;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.18;
}

h1 {
  font-size: clamp(44px, 6vw, 82px);
  letter-spacing: -2.8px;
}

h1 span {
  color: #e5f7ff;
  font-weight: 800;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -1.4px;
}

h3 { font-size: 23px; }

.hero-desc {
  max-width: 760px;
  margin: 26px 0 32px;
  font-size: 18px;
  color: rgba(255,255,255,.78);
}

.hero-actions, .quick-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  min-height: 52px;
  padding: 0 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 16px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease;
}

.btn:hover { transform: translateY(-3px); }

.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 18px 42px rgba(14,165,233,.28);
}

.glass {
  color: #fff;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(18px);
}

.full { width: 100%; }

.trust-bar {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-bar span {
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,.11);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.82);
  font-weight: 800;
  font-size: 13px;
}

.hero-panel {
  justify-self: end;
  width: min(420px, 100%);
  padding: 30px;
  border-radius: 30px;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.26);
  box-shadow: 0 35px 90px rgba(0,0,0,.26);
  backdrop-filter: blur(24px);
}

.panel-top {
  display: flex;
  gap: 9px;
  align-items: center;
  color: rgba(255,255,255,.75);
  font-weight: 900;
  font-size: 13px;
}

.panel-top span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 8px rgba(34,197,94,.12);
}

.hero-panel h3 {
  margin: 16px 0 18px;
  font-size: 28px;
}

.hero-panel ul {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.76);
}

.panel-mail {
  display: inline-flex;
  color: #fff;
  font-weight: 900;
  border-bottom: 1px solid rgba(255,255,255,.45);
}

.intro-strip {
  margin-top: -54px;
  position: relative;
  z-index: 5;
}

.intro-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 20px;
  align-items: stretch;
}

.intro-card,
.intro-image {
  overflow: hidden;
  min-height: 220px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.intro-card {
  padding: 36px;
  display: grid;
  align-content: center;
}

.intro-card strong {
  font-size: 38px;
  letter-spacing: -1px;
}

.intro-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-head {
  max-width: 760px;
  text-align: center;
  margin: 0 auto 50px;
}

.section-head p:last-child {
  color: var(--muted);
}

.product-showcase {
  display: grid;
  gap: 28px;
}

.product-feature {
  min-height: 540px;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 0;
  align-items: stretch;
  border-radius: 36px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.product-feature.reverse {
  grid-template-columns: .94fr 1.06fr;
}

.product-feature.reverse .feature-media { order: 2; }

.feature-media {
  min-height: 480px;
  position: relative;
  overflow: hidden;
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7,26,53,.05), rgba(7,26,53,.42)),
    linear-gradient(90deg, rgba(29,78,216,.18), transparent);
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s ease;
}

.product-feature:hover .feature-media img {
  transform: scale(1.055);
}

.feature-content {
  padding: clamp(32px, 5vw, 64px);
  display: grid;
  align-content: center;
  background:
    radial-gradient(circle at 85% 18%, rgba(14,165,233,.16), transparent 28%),
    linear-gradient(180deg, #ffffff, #f7fbff);
}

.feature-content span,
.product-card span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.feature-content h3 {
  font-size: clamp(30px, 4vw, 44px);
}

.feature-content p {
  color: var(--muted);
  margin: 18px 0 22px;
}

.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spec-tags b {
  padding: 9px 13px;
  border-radius: 999px;
  background: #eef6ff;
  color: #174ea6;
  font-size: 13px;
}

.product-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  border-radius: 30px;
  box-shadow: 0 20px 55px rgba(14,57,110,.12);
  background: #fff;
  isolation: isolate;
  transition: transform .3s ease, box-shadow .3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 35px 90px rgba(14,57,110,.18);
}

.product-card img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  transition: transform .7s ease;
}

.product-card:hover img {
  transform: scale(1.06);
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, transparent 25%, rgba(4,13,31,.76) 100%),
    linear-gradient(120deg, rgba(29,78,216,.22), transparent 54%);
}

.product-card div {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
  color: #fff;
}

.product-card span {
  color: #7dd3fc;
}

.product-card p {
  margin: 10px 0 0;
  color: rgba(255,255,255,.76);
}

.material-section {
  background:
    radial-gradient(circle at 16% 18%, rgba(14,165,233,.14), transparent 26%),
    linear-gradient(180deg, #f8fbff, #eef6ff);
}

.material-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 54px;
  align-items: center;
}

.material-copy p {
  color: var(--muted);
}

.material-points {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.material-points div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  align-items: center;
  padding: 17px;
  border-radius: 18px;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(255,255,255,.9);
}

.material-points strong {
  color: var(--blue);
}

.texture-board {
  position: relative;
  min-height: 560px;
}

.texture-main {
  width: 78%;
  height: 520px;
  object-fit: cover;
  border-radius: 38px;
  box-shadow: var(--shadow);
  filter: saturate(.72) contrast(1.04);
}

.texture-small {
  position: absolute;
  width: 46%;
  height: 230px;
  object-fit: cover;
  border-radius: 28px;
  border: 10px solid #fff;
  box-shadow: 0 24px 70px rgba(14,57,110,.18);
}

.texture-small.one { right: 0; top: 42px; }
.texture-small.two { right: 7%; bottom: 0; }

.gallery-section {
  background: #fff;
}

.bento-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 18px;
}

.bento {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 30px;
  box-shadow: 0 20px 55px rgba(14,57,110,.1);
  background: #eef6ff;
}

.bento.large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento.vertical {
  grid-row: span 2;
}

.bento.wide {
  grid-column: span 2;
}

.bento img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .75s ease, filter .4s ease;
}

.bento:hover img {
  transform: scale(1.06);
  filter: saturate(.98) contrast(1.05);
}

.bento::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(3,13,31,.65));
  opacity: .8;
}

.bento figcaption {
  position: absolute;
  z-index: 2;
  left: 22px;
  bottom: 20px;
  color: #fff;
  font-weight: 900;
  letter-spacing: .02em;
}

.process-section {
  background:
    linear-gradient(135deg, rgba(7,26,53,.96), rgba(22,72,150,.92)),
    url("assets/crepe-fold-detail.webp") center/cover;
  color: #fff;
  background-blend-mode: multiply;
}

.process-section .section-head p:last-child,
.process-section .eyebrow {
  color: rgba(255,255,255,.8);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.step {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(16px);
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  color: #fff;
  font-weight: 900;
}

.step p {
  color: rgba(255,255,255,.7);
  font-size: 14px;
}

.contact-section {
  background:
    radial-gradient(circle at 80% 18%, rgba(14,165,233,.13), transparent 28%),
    #f8fbff;
}

.contact-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 54px;
  align-items: center;
}

.contact-copy p {
  color: var(--muted);
}

.contact-cards {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.contact-cards a,
.contact-cards div {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 14px 36px rgba(14,57,110,.08);
}

.contact-cards span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.contact-cards strong {
  color: var(--blue);
}

.inquiry-form {
  padding: 32px;
  border-radius: 34px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.inquiry-form label {
  display: block;
  margin-bottom: 16px;
  font-weight: 900;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  font: inherit;
  color: var(--ink);
  outline: none;
  background: rgba(255,255,255,.88);
  transition: .2s ease;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(14,165,233,.12);
}

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

.floating-mail {
  position: fixed;
  z-index: 60;
  right: 22px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  box-shadow: 0 22px 50px rgba(29,78,216,.3);
  font-size: 24px;
  animation: float 4.5s ease-in-out infinite;
}

.footer {
  padding: 32px 0;
  background: #071a35;
  color: #dbeafe;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer strong {
  font-size: 28px;
  font-weight: 900;
  font-style: italic;
}

.footer p {
  margin: 4px 0 0;
  color: #9db6d9;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .75s ease, transform .75s ease;
}

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

.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .32s; }
.delay-4 { transition-delay: .42s; }

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: .95; }
  50% { transform: scale(1.04); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-13px); }
}

@keyframes kenBurns {
  0% { transform: scale(1.03) translate3d(0,0,0); }
  100% { transform: scale(1.1) translate3d(-1.6%, -1%, 0); }
}

@media (max-width: 1020px) {
  .menu-toggle { display: block; }

  .nav {
    position: absolute;
    top: 76px;
    right: 20px;
    width: min(320px, calc(100vw - 40px));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,.9);
  }

  .nav.open { display: flex; }

  .nav a { padding: 11px 12px; }

  .hero-grid,
  .intro-grid,
  .product-feature,
  .product-feature.reverse,
  .material-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .product-feature.reverse .feature-media { order: 0; }

  .product-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-line {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-panel {
    justify-self: start;
  }
}

@media (max-width: 660px) {
  .container { width: min(100% - 28px, 1180px); }

  .section { padding: 66px 0; }

  .hero {
    padding: 76px 0 54px;
    min-height: auto;
  }

  .hero-grid { gap: 32px; }

  h1 { letter-spacing: -1.4px; }

  .intro-strip { margin-top: -28px; }

  .intro-card strong { font-size: 30px; }

  .feature-media,
  .feature-media.tall {
    min-height: 360px;
  }

  .feature-content {
    padding: 30px;
  }

  .product-card-grid,
  .process-line {
    grid-template-columns: 1fr;
  }

  .product-card,
  .product-card img {
    min-height: 390px;
  }

  .material-points div {
    grid-template-columns: 1fr;
  }

  .texture-board {
    min-height: 430px;
  }

  .texture-main {
    width: 88%;
    height: 380px;
  }

  .texture-small {
    width: 55%;
    height: 170px;
    border-width: 6px;
  }

  .bento-gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 230px;
  }

  .bento.large,
  .bento.vertical,
  .bento.wide {
    grid-column: span 1;
    grid-row: span 1;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ===== Desktop Layout Fix V4 =====
   目的：修正电脑端图片过大、卡片过高、模块太满的问题。
   手机端仍保留原响应式布局。
*/

@media (min-width: 1021px) {
  .container {
    width: min(1200px, calc(100% - 72px));
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    min-height: 760px;
    padding: 82px 0 66px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) 390px;
    gap: 52px;
  }

  .hero-copy {
    max-width: 760px;
  }

  h1 {
    font-size: clamp(54px, 5vw, 72px);
    line-height: 1.12;
  }

  .hero-desc {
    max-width: 690px;
    font-size: 17px;
  }

  .hero-panel {
    width: 390px;
    padding: 26px;
  }

  .hero-panel h3 {
    font-size: 25px;
  }

  .intro-strip {
    margin-top: -38px;
  }

  .intro-grid {
    grid-template-columns: 0.82fr 1.18fr;
  }

  .intro-card,
  .intro-image {
    min-height: 190px;
    border-radius: 24px;
  }

  .intro-card {
    padding: 30px;
  }

  .intro-card strong {
    font-size: 32px;
  }

  .product-showcase {
    gap: 24px;
  }

  .product-feature {
    min-height: 430px;
    grid-template-columns: 1fr 1fr;
    border-radius: 30px;
  }

  .product-feature.reverse {
    grid-template-columns: 1fr 1fr;
  }

  .feature-media {
    min-height: 430px;
  }

  .feature-content {
    padding: 46px;
  }

  .feature-content h3 {
    font-size: 36px;
  }

  .feature-content p {
    font-size: 15.5px;
    line-height: 1.75;
  }

  .product-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .product-card {
    min-height: 340px;
    border-radius: 26px;
  }

  .product-card img {
    min-height: 340px;
    height: 340px;
  }

  .product-card div {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }

  .product-card h3 {
    font-size: 20px;
  }

  .product-card p {
    font-size: 14px;
    line-height: 1.6;
  }

  .material-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 46px;
  }

  .texture-board {
    min-height: 470px;
  }

  .texture-main {
    height: 430px;
    width: 76%;
    border-radius: 30px;
  }

  .texture-small {
    height: 190px;
    border-radius: 24px;
  }

  .texture-small.one {
    top: 34px;
  }

  .texture-small.two {
    bottom: 8px;
  }

  .bento-gallery {
    grid-template-columns: 1.25fr 1fr 1fr 1fr;
    grid-auto-rows: 210px;
    gap: 16px;
  }

  .bento {
    border-radius: 24px;
  }

  .bento.large {
    grid-column: span 2;
    grid-row: span 2;
  }

  .bento.vertical {
    grid-row: span 2;
  }

  .bento.wide {
    grid-column: span 2;
  }

  .process-line {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
  }

  .step {
    padding: 22px 20px;
  }

  .step h3 {
    font-size: 19px;
  }

  .contact-grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 46px;
  }

  .inquiry-form {
    padding: 30px;
  }
}

@media (min-width: 1280px) {
  .hero {
    min-height: 790px;
  }

  .product-card {
    min-height: 360px;
  }

  .product-card img {
    min-height: 360px;
    height: 360px;
  }
}

/* 图片裁切位置微调，避免电脑端主体被裁掉 */
@media (min-width: 1021px) {
  .hero-bg img {
    object-position: center 42%;
  }

  .feature-media img,
  .product-card img,
  .bento img {
    object-position: center center;
  }

  .product-card:nth-child(2) img {
    object-position: center 42%;
  }

  .product-card:nth-child(3) img {
    object-position: center 46%;
  }

  .bento.large img {
    object-position: center 46%;
  }
}

/* 减少电脑端动效幅度，避免高级感变成晃眼 */
@media (min-width: 1021px) {
  .product-card:hover {
    transform: translateY(-5px);
  }

  .product-feature:hover .feature-media img,
  .product-card:hover img,
  .bento:hover img {
    transform: scale(1.035);
  }
}


/* ===== Mayer Official Logo Integration V5 ===== */
:root {
  --blue: #4f927a;
  --cyan: #e19262;
  --deep: #12392f;
  --soft: #f2faf6;
  --line: rgba(79, 146, 122, .18);
}

.logo-image-wrap {
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0;
}

.site-logo-img {
  width: 198px;
  max-height: 54px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(18,57,47,.08));
}

.logo-symbol,
.logo strong,
.logo em {
  display: none !important;
}

.loader-logo {
  width: min(340px, 76vw);
  height: auto;
  object-fit: contain;
  animation: loaderPulse 1.35s ease-in-out infinite;
  filter: drop-shadow(0 18px 34px rgba(18,57,47,.12));
}

.hero-brand-mark {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  padding: 14px 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 20px 55px rgba(0,0,0,.16);
  backdrop-filter: blur(18px);
}

.hero-brand-mark img {
  width: min(320px, 72vw);
  max-height: 82px;
  object-fit: contain;
}

.footer-brand {
  display: grid;
  gap: 8px;
}

.footer-brand img {
  width: 210px;
  max-height: 64px;
  object-fit: contain;
  background: rgba(255,255,255,.94);
  border-radius: 16px;
  padding: 10px 14px;
}

.footer strong {
  display: none;
}

/* 配合 Mayer 绿色/橙色 logo 微调按钮和色块 */
.nav-btn,
.primary,
.step span,
.floating-mail {
  background: linear-gradient(135deg, #4f927a, #e19262);
}

.nav a:not(.nav-btn)::after,
.spec-tags b {
  background: linear-gradient(90deg, rgba(79,146,122,.16), rgba(225,146,98,.16));
}

.eyebrow,
.feature-content span,
.product-card span,
.contact-cards strong {
  color: #4f927a;
}

.panel-top span {
  background: #4f927a;
  box-shadow: 0 0 0 8px rgba(79,146,122,.14);
}

.hero-bg::after {
  background:
    linear-gradient(90deg, rgba(8, 29, 25, .93), rgba(16, 60, 52, .70) 46%, rgba(20, 40, 34, .22)),
    linear-gradient(0deg, rgba(8, 29, 25, .72), transparent 45%, rgba(8, 29, 25, .22));
}

.shape-one {
  background: #4f927a;
}

.shape-two {
  background: #e19262;
}

@media (max-width: 1020px) {
  .site-logo-img {
    width: 170px;
    max-height: 48px;
  }

  .logo-image-wrap {
    height: 52px;
  }

  .hero-brand-mark {
    padding: 10px 13px;
    border-radius: 18px;
  }

  .hero-brand-mark img {
    width: min(260px, 72vw);
  }

  .footer-brand img {
    width: 185px;
  }
}

@media (max-width: 560px) {
  .site-logo-img {
    width: 148px;
  }

  .nav-wrap {
    height: 68px;
  }

  .hero-brand-mark img {
    width: min(230px, 78vw);
  }

  .loader-logo {
    width: min(280px, 80vw);
  }
}


/* ===== V6 soft logo integration ===== */
.logo-image-wrap {
  height: 48px;
}
.site-logo-img {
  width: 186px;
  max-height: 44px;
  filter: none;
}
.loader-logo {
  width: min(300px, 72vw);
  filter: none;
}
.footer-brand img {
  width: 180px;
  max-height: 52px;
  background: transparent;
  padding: 0;
  border-radius: 0;
}
.hero-brand-mark { display: none !important; }

/* keep logo only where it belongs, avoid abrupt boxed feeling */
.site-header {
  background: rgba(255,255,255,.86);
}
.logo {
  background: transparent;
}

/* tone down logo colors impact by returning some interface pieces to neutral green-blue */
:root {
  --blue: #4f927a;
  --cyan: #79b4a0;
  --deep: #12392f;
  --soft: #f5faf7;
  --line: rgba(79,146,122,.16);
}
.nav-btn,
.primary,
.step span,
.floating-mail {
  background: linear-gradient(135deg, #4f927a, #79b4a0);
}
.hero-shape.shape-two {
  background: rgba(225,146,98,.78);
}
.spec-tags b {
  color: #3f7a66;
  background: #eef7f2;
}
.contact-cards strong,
.eyebrow,
.feature-content span,
.product-card span {
  color: #4f927a;
}
@media (max-width: 1020px) {
  .site-logo-img { width: 162px; max-height: 40px; }
  .footer-brand img { width: 164px; }
}
@media (max-width: 560px) {
  .site-logo-img { width: 146px; max-height: 38px; }
}


/* ===== Formspree Inquiry Form ===== */
.hidden-field {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form-status {
  min-height: 24px;
  margin: 12px 0 0;
  font-size: 14px;
  font-weight: 800;
}

.form-status.success {
  color: #2f7d62;
}

.form-status.error {
  color: #b42318;
}

#submitButton:disabled {
  opacity: .68;
  cursor: wait;
  transform: none !important;
}


/* ===== SEO Company Summary ===== */
.seo-company-summary {
  padding: 28px 0;
  background: rgba(247, 251, 248, .92);
}

.seo-company-summary p {
  margin: 0 auto;
  max-width: 980px;
  color: #64756f;
  font-size: 14.5px;
  line-height: 1.9;
  text-align: center;
}

.seo-company-summary strong {
  color: #4f927a;
}