/* ========================================================
   DH × Rim Power B2B Homepage Stylesheet
   Pure CSS - Zero Tailwind, No Utility Classes
======================================================== */

@font-face {
font-family: "CalSans";
src: url("../font/CalSans-Regular.woff2") format("woff2"),
     url("../font/CalSans-Regular.woff") format("woff"),
     url("../font/CalSans-Regular.ttf") format("truetype"),
     url("../font/CalSans-Regular.eot") format("embedded-opentype"),
     url("../font/CalSans-Regular.svg") format("svg"),
     url("../font/CalSans-Regular.otf") format("opentype");
font-weight: normal;
font-style: normal;
}  

:root {
  --brand-blue: #003A8C;
  --brand-blue-dark: #00255A;
  --brand-blue-light: #EBF2FA;
  --brand-gold: #F8A91B;
  --brand-gold-hover: #E5970C;
  --brand-gold-light: #FFF8EB;
  --brand-dark: #0A0F1D;
  --brand-slate: #475569;
  --brand-border: #E2E8F0;
  --brand-card-bg: #f3f5f6;
  --text-dark: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #FFFFFF;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}
h1,h2,h3,h4{font-weight:normal}


/*back-top*/
.progress-wrap {position: fixed;right: 1.875rem;bottom: 100px;height: 50px;width: 50px;cursor: pointer;display: block;border-radius: 50px;
box-shadow: inset  0 0 0 2px rgba(0,0,0,0.1);z-index: 9999999 !important;opacity: 0;visibility: hidden;transform: translateY(15px);-webkit-transition: all 200ms linear; transition: all 200ms linear; opacity: 1 !important; visibility: visible !important; pointer-events: auto !important;}
.progress-wrap.active-progress {opacity: 1;visibility: visible;transform: translateY(0);}
.progress-wrap::after {position: absolute;font-family: "iconfont";content: "\e607";text-align: center;
line-height: 50px;font-size: 1.125rem; color: #f8a819;left: 0;top: 0;height:50px;width: 50px;cursor: pointer;display: block;
z-index: 1;-webkit-transition: all 200ms linear;transition: all 200ms linear; pointer-events: none !important;}
.progress-wrap svg path { fill: none; }
.progress-wrap svg.progress-circle path {stroke:#f8a819;stroke-width: 4;box-sizing:border-box;-webkit-transition: all 200ms linear;
transition: all 200ms linear;}
.progress-wrap * {
  pointer-events: none !important;
} 



/* 鼠标跟随呼吸灯 */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: rgba(248, 168, 27, 1); /* 品牌金色/黄色 */
  box-shadow: 
    0 0 5px rgba(248, 168, 27, 0.8),
    0 0 15px rgba(248, 168, 27, 0.5),
    0 0 25px rgba(248, 168, 27, 0.3);
  pointer-events: none; 
  z-index: 99999;      
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease-out; /* 增加轻微平滑延迟感 */
  animation: cursorBreathe 2s infinite ease-in-out;
}

/* 呼吸动画：缩放与光晕强弱交替 */
@keyframes cursorBreathe {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3;
    box-shadow: 
      0 0 10px rgba(248, 169, 27, 0.8),
      0 0 20px rgba(248, 169, 27, 0.5);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.35);
    opacity: 1;
    box-shadow: 
      0 0 10px rgba(248, 169, 27, 1),
      0 0 25px rgba(248, 169, 27, 0.8),
      0 0 45px rgba(248, 169, 27, 0.5);
  }
}

.cursor-glow.is-hidden {
  opacity: 0 !important;
  transform: translate(-50%, -50%) scale(0.3);
  transition: opacity 0.2s ease, transform 0.2s ease;
}


/* 容器定义 */
.header-container {
  max-width: 1803px;
  margin-left: auto;
  margin-right: auto; 
  width:96%;
}

.theme-container {
  max-width: 1463px;
  margin-left: auto;
  margin-right: auto; 
  width:94%;
}

/* ========================================================
   1. 头部导航 (Site Header)
======================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  padding-top: 1rem;
  padding-bottom: 1rem;
  transition: all 0.3s ease;
}

.header-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-glass-scrolled {
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* 双 Logo 区域 */
.brand-logo-combo {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand-logo-combo img{ display:inline-block; max-height: 50px;}

.dh-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dh-symbol {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
  color: #FFFFFF;
  transition: color 0.3s ease;
}

.brand-logo-combo:hover .dh-symbol {
  color: var(--brand-gold);
}

.dh-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 0.5rem;
}

.dh-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #FFFFFF;
  text-transform: uppercase;
  font-family: 'Space Grotesk', sans-serif;
}

.dh-subtitle {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
}

.logo-divider {
  height: 1.5rem;
  width: 1.5px;
  background-color: rgba(255, 255, 255, 0.3);
  margin-left: 0.25rem;
  margin-right: 0.25rem;
}

.rp-brand {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: 6px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.rp-symbol {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--brand-gold);
}

.rp-title {
  font-size: 11px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 导航链接 */
.nav-links-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .nav-links-menu {
    display: none;
  }
}

.nav-link {
  color: #101010;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--brand-gold);
}

/* 下拉菜单 */
.dropdown-wrapper {
  position: relative;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.dropdown-trigger {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: #101010;
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
  transition: color 0.2s ease;
  font-family: inherit;
}

.dropdown-trigger:hover {
  color: var(--brand-gold);
}

.dropdown-arrow {
  font-size: 0.75rem;
  color: var(--brand-gold);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-wrapper:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(15px);
  background-color: #FFFFFF;
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 1px solid #F1F5F9;
  margin-top: 0.5rem;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-wrapper:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.products-menu {
  width: 720px;
}

.brand-menu {
  width: 850px;
  padding: 2rem;
}

.menu-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #F1F5F9;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.menu-heading-title {
  color: var(--brand-blue);
}

.menu-heading-subtitle {
  color: var(--text-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.product-preview-card {
  display: block;
  padding: 0.75rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.product-preview-card:hover {
  background-color: #F8FAFC;
  border-color: #E2E8F0;
}

.preview-img-container {
  height: 8rem;
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
  background-color: #F1F5F9;
}

.preview-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-preview-card:hover .preview-img-container img {
  transform: scale(1.05);
}

.preview-title {
  font-weight: 700;
  color: var(--text-dark);
  font-size: 16px;
  transition: color 0.2s ease;
}

.product-preview-card:hover .preview-title {
  color: var(--brand-blue);
}

.preview-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: left;
}

.brand-category-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 0.75rem;
  color: var(--brand-blue);
}

.brand-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--brand-slate);
}

.brand-items-list a {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  transition: all 0.2s ease;
}

.brand-items-list a:hover {
  color: var(--brand-blue);
  font-weight: 500;
}

.brand-feature-card {
  background-color: #F8FAFC;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid #F1F5F9;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 0.25rem;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.feature-link {
  margin-top: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-blue);
  transition: color 0.2s ease;
}

.feature-link:hover {
  color: var(--brand-blue-dark);
}

/* 头部操作区 */
.header-action-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.language-pill-switch {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 9999px;
  padding: 0.375rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
  font-weight: 700;
  color: #FFFFFF;
}

.lang-option {
  cursor: pointer;
  transition: color 0.2s ease;
}

.lang-option.active {
  color: var(--brand-gold);
  font-weight: 800;
}

.lang-option:hover:not(.active) {
  color: var(--brand-gold);
}

.lang-divider {
  margin-left: 0.375rem;
  margin-right: 0.375rem;
  color: rgba(255, 255, 255, 0.3);
}

.quote-cta-btn {
  background-color: var(--brand-gold);
  color: #0F172A;
  font-weight: 700;
  padding: 0.625rem 1.5rem;
  border-radius: 10px;
  font-size: 16px;
  box-shadow: 0 10px 15px -3px rgba(248, 169, 27, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.quote-cta-btn:hover {
  background-color: var(--brand-gold-hover);
}

.quote-cta-btn::after, .btn-sheen::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -70%;
  width: 40%;
  height: 200%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: rotate(30deg);
  transition: all 0.75s ease-in-out;
}

.quote-cta-btn:hover::after, .btn-sheen:hover::after {
  left: 130%;
}

.header-search-btn {
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 9999px;
  background:var(--brand-gold);
  backdrop-filter: blur(12px);
  border:none;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
	border:1px solid var(--brand-gold); 
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-search-btn img{display:inline-block; max-height: 20px;  -webkit-filter: brightness(0) invert(1);  filter: brightness(0) invert(1);}
.header-search-btn:hover {
  background:#fff;
  color: var(--brand-gold);
  border-color: var(--brand-gold);
  transform: scale(1.05);
}
.header-search-btn:hover img{-webkit-filter:none;  filter: none;}

/* 2. 悬停语言下拉菜单 */
.header-lang-dropdown {
  position: relative;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.lang-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background:#fff;
  backdrop-filter: blur(12px);
  border-radius: 9999px;
  padding: 0.75rem 1.5rem 0.75rem 0.875rem;
  border: 1px solid rgba(0, 0, 0, 0.2);
  font-size: 1rem; 
  color: #101010;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.25s ease; position: inherit
}
.lang-trigger-btn img{ display:block; max-height: 20px; }
.lang-trigger-btn:after{ position:absolute; content:''; width:12px; height: 7px; background: url("../images/lan_down.png") no-repeat; right: .875rem; top: 1.125rem}

.lang-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

.current-lang-text {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.lang-arrow {
  font-size: 0.6875rem;
  color: var(--brand-gold);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-lang-dropdown:hover .lang-arrow {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: 95%;
  right: 0;
  width: 140px;
  background: #FFFFFF;
  border-radius: 1rem;
  padding: 0.5rem;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25);
  border: 1px solid #E2E8F0;
  margin-top: 0.375rem;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.header-lang-dropdown:hover .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  color: var(--text-dark);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.lang-item:hover {
  background-color: #F1F5F9;
  color: var(--brand-blue);
}

.lang-item.active {
  background-color: #EBF2FA;
  color: var(--brand-blue);
  font-weight: 700;
}

.lang-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  background-color: rgba(0, 58, 140, 0.08);
  color: var(--brand-blue);
  font-weight: 700;
}

/* 3. 搜索弹出遮罩与弹窗 */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.search-modal-panel {
  position: relative;
  width: 100%;
  max-width: 780px;
  background: #FFFFFF;
  border-radius: 2rem;
  padding: 2.5rem;
  box-shadow: 0 35px 70px -15px rgba(0, 0, 0, 0.5);
  transform: translateY(-20px) scale(0.96);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-modal-backdrop.open .search-modal-panel {
  transform: translateY(0) scale(1);
}

.search-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  border: 1px solid #E2E8F0;
  background: #F8FAFC;
  color: var(--brand-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.125rem;
  transition: all 0.2s ease;
}

.search-close-btn:hover {
  background: #EF4444;
  color: #FFFFFF;
  border-color: #EF4444;
  transform: rotate(90deg);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--brand-blue);
  padding-bottom: 0.75rem;
}

.search-input-icon {
  font-size: 1.5rem;
  color: var(--brand-blue);
  margin-right: 1rem;
}

.search-modal-input {
  width: 100%;
  border: none;
  outline: none;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  font-family: inherit;
  background: transparent;
}

.search-modal-input::placeholder {
  color: var(--text-light);
  font-weight: 400;
  font-size: 1.125rem;
}

.search-quick-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
}

.quick-tags-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--brand-slate);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  margin-right: 0.25rem;
}

.search-tag {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: 9999px;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-blue);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.search-tag:hover {
  background: var(--brand-blue);
  color: #FFFFFF;
  border-color: var(--brand-blue);
}


@media (max-width: 1460px) {
	.header-action-group{gap:.875rem} 
	.nav-links-menu{gap:1.25rem}
	.brand-logo-combo img{max-height:45px;}
	.nav-link{font-size:.9375rem}
} 


@media (max-width: 1260px) {
	.header-action-group .quote-cta-btn{display:none}
	.nav-link{font-size:.875rem}
	.brand-logo-combo img{max-height:40px;}
	.header-action-group{gap:8px} 
	.nav-links-menu{gap:10px}
} 


/* 移动端汉堡菜单按钮默认隐藏 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #101010;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

/* 抽屉样式默认隐藏 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 360px);
  height: 100vh;
  background: #FFFFFF;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid #F1F5F9;
}

.mobile-drawer-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: #101010;
}

.mobile-drawer-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: #64748B;
  cursor: pointer;
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 0;
  flex-grow: 1;
  overflow-y: auto;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: #101010;
  padding: 0.75rem 0.5rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.mobile-nav-link:hover {
  background: #F8FAFC;
  color: var(--brand-blue, #003a8c);
}

/* ========================================================
   992px 以下媒体查询响应式核心
======================================================== */
@media (max-width: 992px) {
  /* 1. 隐藏桌面端主菜单 */
  .nav-links-menu {
    display: none !important;
  }

  /* 2. 显示汉堡包切换按钮 */
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* 3. 头部高度与内边距紧凑化 */
  .site-header {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  /* 4. Logo 缩小防挤压 */
  .brand-logo-combo img {
    max-height: 36px;
  }

  /* 5. 语言选择器精简 */
  .lang-trigger-btn {
    padding: 0.5rem 1.75rem 0.5rem 0.65rem;
    font-size: 0.875rem;
  }
  .lang-trigger-btn:after {
    right: 0.6rem;
    top: 0.9rem;
    transform: scale(0.85);
  }

  /* 6. 搜索图标变小微调 */
  .header-search-btn {
    width: 2.25rem;
    height: 2.25rem;
  }
  .header-search-btn img {
    max-height: 16px;
  }

  /* 7. 操作组间距紧凑 */
  .header-action-group {
    gap: 0.5rem;
  }

  /* 8. 搜索弹窗全宽自适应 */
  .search-modal-backdrop {
    padding-top: 8vh;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .search-modal-panel {
    padding: 1.5rem;
    border-radius: 1.25rem;
  }

  .search-modal-input {
    font-size: 1rem;
  }
}
/* 抽屉子菜单外层 */
.mobile-sub-group {
  display: flex;
  flex-direction: column;
}

/* Products 触发按钮排版 */
.mobile-sub-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

/* 箭头旋转过渡 */
.sub-arrow {
  font-size: 0.8rem;
  color: #94a3b8;
  transition: transform 0.3s ease, color 0.3s ease;
}

.mobile-sub-group.active .sub-arrow {
  transform: rotate(180deg);
  color: var(--brand-gold, #f8a819);
}

/* 折叠容器：默认收缩，展开时平滑拉伸 */
.mobile-sub-menu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #f8fafc;
  border-radius: 8px;
  margin: 0 0.5rem;
  padding: 0 0.75rem;
  transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.35s ease;
}

/* 激活展开 */
.mobile-sub-group.active .mobile-sub-menu {
  max-height: 300px;
  opacity: 1;
  padding: 0.5rem 0.75rem;
}

/* 子菜单项样式 */
.mobile-sub-item {
  display: flex;
  flex-direction: column;
  padding: 0.6rem 0;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.mobile-sub-item:last-child {
  border-bottom: none;
}

.sub-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #1e293b;
  transition: color 0.2s ease;
}

.sub-item-desc {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.15rem;
}

.mobile-sub-item:hover .sub-item-title {
  color: var(--brand-gold, #f8a819);
}

/* ========================================================
   2. HERO 区域
======================================================== */
.hero-section {
  position: relative; 
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between; 
  color: #FFFFFF; 
  overflow: hidden;  margin-top: 94px;
}
.hero-section .overly{position:absolute; content:''; width:100%; height: 100%; left: 0; top: 0; background: linear-gradient(135deg,rgba(41,44,48,.9) 0%,rgba(52,56,61,.65) 100%)}


.hero-backdrop-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;  
}
  

.spoke-ring {
  position: absolute;
  border-radius: 9999px;
  border: 1px dashed rgba(248, 169, 27, 0.2);
  animation: spin 60s linear infinite;
}

.spoke-ring-left {
  right: -100px;
  top: 15%;
  width: 580px;
  height: 580px;
}

.spoke-ring-right {
  left: -150px;
  bottom: 5%;
  width: 720px;
  height: 720px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content-box {
  position: absolute;
  left:0; right: 0; margin: 0 auto; text-align: left; top: 20%;
  z-index: 10; 
}

.hero-text-container {
  max-width:75%;
  text-align: left;
}

.hero-headline {
  font-size: 2.5rem; 
  font-family: 'CalSans';
  line-height: 1.08;
  margin-bottom: 1.5rem; letter-spacing: 3px;
}



@media (min-width: 1460px) {
  .hero-headline { font-size: 4.5rem; line-height: 1.1; margin-bottom:2.25rem}
	.hero-text-container {max-width: 54%;text-align: left;}
	.hero-content-box{top:25%}
	.hero-subtext{margin-bottom:2.5rem}
	
}

@media (max-width: 992px) {
  .hero-headline { font-size: 2.5rem; }
	.hero-content-box{top:15%}
	.hero-text-container{max-width:100%}
}

.gradient-text {
  background: linear-gradient(to right, var(--brand-gold), #FEF08A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtext {
  font-size: 1rem;
  color: #E2E8F0;
  font-weight: 300;
  max-width: 90%;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

@media (min-width: 1260px) {
  .hero-subtext { font-size: 1.125rem; }
}


@media (max-width: 812px) {
	.hero-subtext,.hero-buttons-row{display:none !important}
	.hero-content-box{top:20%}
	.hero-headline{font-size:1.875rem}
}
.hero-buttons-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.primary-hero-btn {
  background-color: var(--brand-gold);
  color: #020617;
  font-weight: 800;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 17px;
  box-shadow: 0 20px 25px -5px rgba(248, 169, 27, 0.2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.primary-hero-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -70%;
    width: 40%;
    height: 200%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0) 100%);
    transform: rotate(30deg);
    transition: all 0.75s ease-in-out;
} 
.primary-hero-btn:hover::after {
      left: 130%;
    }

.primary-hero-btn:hover {
  background-color: var(--brand-gold-hover);
}

.secondary-hero-btn {
  background: #fff;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #101010;
  font-weight: 700;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background-color 0.3s ease;
}

.secondary-hero-btn:hover {
  background: var(--brand-gold-hover); color:#020617
}

.icon-whatsapp {
  color: #4ADE80;
  font-size: 1.125rem;
}

/* 核心指标统计条 */
.hero-metrics-box {
  position: relative;
  z-index: 10;
  width: 100%;
  margin-top: auto;
  padding-top: 1.5rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  border-left: 2px solid var(--brand-gold);
  padding-left: 1rem;
}

.metric-number-display {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  color: #FFFFFF;
}

@media (min-width: 640px) {
  .metric-number-display { font-size: 3rem; }
}

.metric-unit {
  font-size: 1rem;
  color: var(--brand-gold);
  font-weight: 400;
}

.metric-label {
  font-size: 0.75rem;
  color: #CBD5E1;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.metric-caption {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 0.125rem;
}

/* ========================================================
   3. 版块 1：核心产品分类
======================================================== */
.categories-section {
  padding-top: 5rem;
  padding-bottom: 7rem;
  background-color: #FFFFFF;
  position: relative;
}

.section-header-row {
  display: block;
}

@media (min-width: 1024px) {
  .section-header-row {
  flex-direction: column;
  justify-content: space-between;
  margin-bottom: 4rem;
  }
}

.section-title {
  font-size: 5rem; 
 line-height: 1.15;
  color: var(--text-dark); 
  font-family: 'CalSans', sans-serif; padding-right: 10%; box-sizing: border-box
}

@media (min-width: 640px) {
  .section-title { font-size: 3.75rem; }
}

.section-subtitle {
  color: #020617;
  max-width: 48%;
  font-size: 18px;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .section-subtitle { margin-top: 0; }
}

.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-category-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--brand-border);
  border-radius: 15px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-category-card:hover {
  transform: translateY(-8px); 
  box-shadow: 0 30px 60px -15px rgba(0, 58, 140, 0.22);
}

.card-top-icon {
  margin-bottom: 1.5rem;
  color: #94A3B8;
  font-size: 1.125rem;
  transition: color 0.3s ease;
}

.product-category-card:hover .card-top-icon {
  color: var(--brand-gold);
}

.card-main-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  transition: color 0.3s ease; line-height: 1.3
}

.product-category-card:hover .card-main-title {
  color: var(--brand-gold);
}

.card-description {
  color: #333;
  font-size: 16px; line-height: 25px; height: 75px; overflow: hidden;
  margin-bottom: 1.5rem;
}

.card-image-box {
  position: relative; 
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background-color: #F1F5F9;   
}

.card-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease; vertical-align: middle;
}

.product-category-card:hover .card-image-box img {
  transform: scale(1.05);
}

.card-image-overlay {
  position: absolute;
  inset: 0;
 background: linear-gradient(
  to top, 
  rgba(2, 6, 23, 0.1) 0%, 
  rgba(2, 6, 23, 0.1) 100%
); pointer-events: none
}

.card-image-tag {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
}

.card-explore-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--brand-blue);
  font-size: 16px;
  transition: color 0.3s ease;
}

.product-category-card:hover .card-explore-btn {
  color: var(--brand-gold);
}

/* ========================================================
   4. 版块 2：OEM/ODM 定制能力
======================================================== */
.engineering-section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  background-color: var(--brand-card-bg);  
}

.engineering-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem; 
  margin-bottom: 3rem;
}

@media (min-width: 1024px) {
  .engineering-split-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
  } 
}

.engineering-title {
  font-size: 2rem; 
  color: var(--text-dark); 
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.12;
  margin-bottom: 2rem;
}

@media (min-width: 640px) { .engineering-title { font-size: 3rem; } }
@media (min-width: 1024px) { .engineering-title { font-size: 3.75rem; } }


.engineering-text-col{padding-top:2rem}
.engineering-text-col .quote-cta-btn{display:inline-block; width: auto; padding: .875rem 2rem}

.engineering-description {
  color: #333;
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 1.75rem 0 2rem 0; padding-right: 7%; box-sizing: border-box
}

.engineering-learn-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.75rem;
  background-color: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 9999px;
  font-weight: 700;
  color: var(--text-dark);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
}

.engineering-learn-btn:hover {
  background-color: #F8FAFC;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.learn-arrow-badge {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background-color: var(--brand-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #020617;
  font-size: 0.75rem;
}

.arch-mask-container {
  position: relative;
  width: 100%;
  aspect-ratio: 6 / 4; /* 维持图片宽高比例 */
  overflow: hidden; 
  clip-path: url(#customArchMask);
  -webkit-clip-path: url(#customArchMask);
}

.arch-mask-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.engineering-hero-img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

/* 4 大支柱 */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem; 
}

@media (min-width: 640px) { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillars-grid { grid-template-columns: repeat(4, 1fr); } }

.pillar-card {
 margin-top: 1.5rem; 
 background: #fff; border-radius: 20px; padding: 1.875rem; box-sizing: border-box
}  
.pillar-icon-wrap {
  display:inline-block; max-height: 75px; text-align: right
}

.pillar-card .wrap{display:flex; align-items: center}
 

.icon-gold { color: var(--brand-gold); }
.icon-muted { color: #94A3B8; }

.pillar-title {
	flex:1;
  font-size: 1.325rem;
  font-weight: 700;
	line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.pillar-desc {
  color:#454545;
  font-size: 16px;
  line-height: 1.7; margin-top: 2.75rem; border-top:1px #dedede solid;padding-top: 1.25rem;
}

/* 参数矩阵 */
.matrix-container {
  margin-top: 4rem;
  padding-top: 2rem;
}

.matrix-header {
  margin-bottom: 2rem;
}

.matrix-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.matrix-rows-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.matrix-row {
  background-color: #FFFFFF;
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--brand-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.3s ease;
}

@media (min-width: 768px) {
  .matrix-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .matrix-col-index { width: 25%; }
  .matrix-col-primary { width: 33.333%; }
  .matrix-col-detail { width: 41.666%; }
}

.matrix-row:hover {
  background-color: #F1F6FD;
  padding-left: 2rem;
  border-color: #CBD5E1;
}

.matrix-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--brand-blue);
}

.matrix-col-primary {
  font-weight: 700;
  color: #1E293B;
  font-size: 17px;
}

.matrix-col-detail {
  color: var(--text-muted);
  font-size: 15px;
}

/* ========================================================
   5. 版块 3：服务流程
======================================================== */
.process-section {
  padding-top: 5rem;
  padding-bottom: 6rem;
  background-color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.process-section .section-title{ padding:0; text-align: center}

.process-header {
  text-align: center; 
  margin: 0 auto; 
  margin-bottom: 3rem;
}
 

@media (min-width: 640px) { .process-title { font-size: 3rem; } }

.process-subtitle {
  color: #333;
  margin-top: 0.75rem;
  font-size: 1.0625rem;
}

.process-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .process-steps-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}


/* Swiper 容器基础间距 */
.process-steps-slider {
  width: 100%;
  padding: 24px 0; /* 留出顶部徽标溢出空间 */
}

.step-heading{display:block; color: var(--text-dark); font-size: 1.325rem; line-height: 1.625rem; text-align: center; font-weight: 700; margin-bottom: .875rem; text-align: left; margin-top: 1.625rem}
 
.step-card {
  position: relative;
  background-color: #fff;
  text-align: left; transition: all .5s
}

.process-steps-slider .swiper-slide*{ transition:all .5s} 

.step-text{display:block; color: #454545; font-size: 16px; line-height: 1.6; text-align: left; margin-top: 1rem; padding-top: 1rem; border-top:1px #dedede solid; padding-right: 5%; box-sizing: border-box}
.step-icon-badge{ display:block; width:100%; text-align: center; border-radius: 15px; overflow: hidden}
.step-icon-badge img{display:block; width:100%;}
.step-content-top{ width:100%; display: block; position: relative}
.step-number-badge {
  position: absolute;
  bottom: -25px;
  right: 25px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color:#f8a819;
  color: #101010;
  display: flex;
  align-items: center;
  justify-content: center; font-weight: 700;
 font-size:1rem;
}

 


/* ========================================================
   6. 版块 4：质保条款
======================================================== */
.warranty-section {
  padding-top: 6rem;
  padding-bottom: 7rem;
  background: url("../images/bgs.jpg") no-repeat; background-attachment: fixed; overflow: hidden
}
.warranty-section .section-title{max-width:60%; color: #fff; padding-right: 0}

.warranty-header { 
  margin-bottom: 4rem;
}

.warranty-title {
  font-size: 2rem; 
  color: #fff; 
  font-family: ;
}

@media (min-width: 640px) { .warranty-title { font-size: 3rem; } }

.warranty-subtitle {
  color: #fff;
  margin-top: 1rem;
  font-size: 1.0625rem;; max-width: 55%
}

.warranty-body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .warranty-body-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .warranty-img-col { grid-column: span 4; }
  .warranty-list-col { grid-column: span 8; }
}

.warranty-list-col{padding-left:5%; box-sizing: border-box}

.warranty-img-wrapper {
  position: relative;
  width: 100%;
 aspect-ratio: 4 / 4.5; /* 维持图片宽高比例 */
  overflow: hidden; 
  clip-path: url(#customArchMask1);
  -webkit-clip-path: url(#customArchMask1); 
}

.warranty-active-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
} 

/* 列表容器与每一项的分割线 */
.warranty-card {
  border-top: 1px solid rgba(255,255,255,.25);
  padding: 1.875rem 0 2.25rem 0;
  cursor: pointer;
  user-select: none;
}

/* 顶部对齐：利用 flex 撑开两端 */
.warranty-row-flex {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding-right: 36px; /* 为右侧加减号预留空间 */
}

/* 编号样式 */
.warranty-step-num {
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  margin-right: 20px;margin-top: 6px
}
 

/* 标题样式 */
.warranty-item-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

/* 右侧折叠指示符：默认显示 + 号 */
.warranty-row-flex::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.5rem;
  font-weight: 400;
  color: #fff;
  line-height: 1;
}

/* 展开时切换为 — 号 */
.warranty-card.active .warranty-row-flex::after {
  content: "—";
  font-size: 1.125rem;
}

/* 描述文字展开与隐藏 */
.warranty-item-desc {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #fff; 
  transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.warranty-card.active .warranty-item-desc {
max-height: 200px; /* 设定一个大于文本实际高度的安全值 */
  opacity: 1;
  margin-top: 16px;
}

/* ========================================================
   7. 版块 5：RFQ 询盘表单
======================================================== */
.rfq-section {
  position: relative; 
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;  
  padding-top: 5.75rem;
  padding-bottom: 6rem;
  overflow: hidden;
} 
.rfq-section .section-title{font-size:3.5rem; line-height: 1.05}

.rfq-radial-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 58, 140, 0.3) 0%, transparent 60%, rgba(0,0,0,0.8) 100%);
}

.rfq-content-container {
  position: relative;
  z-index: 10; 
}

.rfq-card-box { 
  overflow: hidden;  
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: flex-start; 
}

@media (min-width: 1024px) {
  .rfq-card-box { 
    grid-template-columns: repeat(12, 1fr);
  }
  .rfq-info-col { grid-column: span 5; }
  .rfq-form-col { grid-column: span 7; }
} 

.rfq-info-col {
  display: flex;
  flex-direction: column; 
  height: 100%;
}

.rfq-headline {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) { .rfq-headline { font-size: 3rem; } }

.rfq-subtext {
  color: #333;
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 2rem 0; padding-right: 7%; box-sizing: border-box
}

 
.rfq-contact-list { display: grid; gap:0 3rem; grid-template-columns: repeat(12, 1fr); margin-top: auto; margin-bottom: 2rem}
.contact-item-add { grid-column: span 7; }
.contact-item { grid-column: span 5; }
 

.contact-label {
  font-size: 1rem; 
  color: var(--brand-gold);
  text-transform: uppercase;
 font-family: 'CalSans', sans-serif;
}

.contact-value {
  font-weight: 700;
  color: #101010;
  margin-top: .625rem; font-size:1.0625rem; line-height: 1.5
}

 

.rfq-form-col {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  padding: 2rem 0 0 2rem; box-sizing: border-box
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
} 
 

.rfq-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .form-grid-two { grid-template-columns: repeat(2, 1fr); }
}

.form-label {
  display: block;
  font-size: 0.75rem; 
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #101010;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
 

.required-star { color: #F87171; font-weight: 700; } 

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: #999;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #999; font-size:15px;
} 

.mandatory-field {
  border: 1px solid #ccc;
}

.optional-field {
  border: 1px solid #ccc;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  box-shadow: 0 0 0 2px var(--brand-gold);
}

.submit-rfq-btn {
  width: 100%;
  background-color: var(--brand-gold);
  color: #020617;
  font-weight: 800;
  padding: 1rem;
  border-radius: 0.75rem;
  font-size: 17px;
  box-shadow: 0 20px 25px -5px rgba(248, 169, 27, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.submit-rfq-btn:hover {
  background-color: var(--brand-gold-hover);
}

.form-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: #94A3B8;
}

/* ========================================================
   8. 网站底部 (Site Footer)
======================================================== */
.site-footer {
  background-color:#01183a;
  color: #FFFFFF;
  padding-top: 5rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top-grid {
  display: flex; 
 flex-wrap: wrap;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-col{ width:35%; padding-right: 8%}
.footer-links-col{width:20%;}
.footer-contact-col{ width:25%;}
 

.footer-brand-col .quote-cta-btn{display:inline-block; width:auto; margin-top: .75rem}

.footer-logo { margin-bottom: 1.875rem;}
.footer-logo img{display:block; max-height: 50px;  -webkit-filter: brightness(0) invert(1);  filter: brightness(0) invert(1);}

.footer-summary-text {
  color: #fff;
  font-size: .9375rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: 24rem; padding-right: 5%; box-sizing: border-box
}

.footer-domain-tag {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: #64748B;
}

.footer-column-heading {
  font-weight: 700;
  color: #FFFFFF;
  font-size: 1.25rem;
  margin-bottom: 1rem; 
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: .9375rem;
  color: #fff;
}

.footer-links-list a:hover {
  color: var(--brand-gold);
}

.footer-inquiry-text {
  color: #fff;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.footer-email-link {
  font-size: 1.125rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: #FFFFFF;
  display: block;
  margin-bottom: 1rem;
  transition: color 0.2s ease;
}

.footer-email-link:hover {
  color: var(--brand-gold);
}

.footer-quote-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brand-gold);
  font-weight: 700;
  font-size: 16px;
}

.footer-quote-link:hover {
  text-decoration: underline;
}

.footer-contact-col .wrap{ width:100%; display: block; padding-top:.38rem}
.footer-contact-col .wrap input{display:block; width:100%; background: none; outline: none; border:1px rgba(255,255,255,.5) solid; border-radius: 10px; line-height:3rem; color: #fff; font-size:18px; padding: 0 1.5rem; box-sizing: border-box;}
.footer-contact-col .wrap input::placeholder{color:rgba(255,255,255,.5)}
.footer-contact-col .wrap button{ display:block; color: #0F172A; font-size:1.125rem; font-weight:700; line-height: 2rem; border-radius: 10px; text-align: center; border:none; outline: none; cursor: pointer; width:100%;margin-top: 1.25rem} 
.footer-contact-col .wrod{display:block; color: rgba(255,255,255,.5); font-size: 14px; line-height: 22px; padding:0 0 0 1%; box-sizing: border-box; margin-top: 1.125rem}

.footer-bottom-bar {
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(255,255,255,.3); 
}

@media (min-width: 640px) {
  .footer-bottom-bar {
    flex-direction: row;
  }
}

.footer-legal-links {
  margin-top: 1rem;
  display: flex;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .footer-legal-links { margin-top: 0; }
}

.footer-legal-links a:hover {
  color: #CBD5E1;
}
@media (max-width: 1260px) {
	.section-title{font-size:2.5rem !important; line-height: 1.3 !important; max-width: 100% !important;}
	.warranty-subtitle,.section-subtitle{max-width:100% !important}
}
@media (max-width: 992px) {
	.footer-links-col{display:none}
	.footer-brand-col,.footer-contact-col{ width:50%; padding-right: 0}
	.site-footer{padding:2.5rem 0 2rem}
	.warranty-header,.section-header-row{margin-bottom:1.5rem}
	.warranty-img-wrapper{aspect-ratio: 4 / 3}
	.warranty-list-col{padding-left:0}
	.warranty-section,.rfq-section,.process-section,.engineering-section,.categories-section{padding:2.875rem 0}
	.pillars-grid{gap:1rem}
	.cursor-glow{display:none}
}
@media (max-width: 768px) { 
	.footer-brand-col,.footer-contact-col{ width:100%; padding-right: 0} 
	.footer-contact-col{padding-top:2rem}
	.rfq-contact-list,.rfq-card-box{display: block;} 
	.contact-item-add{margin-bottom:15px;}
	.rfq-form-col{padding:0}
}
 
 .cursor-logo {
  position: absolute;
  top: 10%;
  right: 5%;  
  pointer-events: none;  
  opacity: 0.1;  
  will-change: transform; width:20rem
}

.cursor-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain; 
  filter: grayscale(100%) brightness(1.2) contrast(0.9) drop-shadow(0 0 10px rgba(0, 0, 0, 0.15));
}
.process-section .cursor-logo{right:auto; left:3%; top: 7%}