/* ============================================
  Font Imports
  ============================================ */
/* Cabin Font Family */
@font-face {
    font-family: 'Cabin';
    src: url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Regular.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Cabin';
    src: url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Medium.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Cabin';
    src: url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-SemiBold.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-SemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Cabin';
    src: url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Bold.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Cabin/Cabin-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Ubuntu Font Family */
@font-face {
    font-family: 'Ubuntu';
    src: url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Light.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Regular.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Medium.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Bold.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/Ubuntu/Ubuntu-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Google Sans Font Family */
@font-face {
    font-family: 'Google Sans';
    src: url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Regular.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Google Sans';
    src: url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Medium.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Google Sans';
    src: url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Bold.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/GoogleSans/GoogleSans-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Tencent Sans Font Family */
@font-face {
    font-family: 'Tencent Sans';
    src: url('https://static.silkroad.com.hk/fonts/TencentSans/TencentSans.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/TencentSans/TencentSans.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Tencent Sans';
    src: url('https://static.silkroad.com.hk/fonts/TencentSans/TencentSansW7.woff2') format('woff2'),
         url('https://static.silkroad.com.hk/fonts/TencentSans/TencentSansW7.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ============================================
  Base Style Reset
  ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* Disable text selection */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  /* Disable drag */
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

html {
  overflow-x: hidden;
  overflow-y: auto;
  height: 100%;
  scroll-behavior: smooth !important;
}

body {
  margin: 0;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  background-color: #ffffff;
  color: #000000;
  overflow-x: hidden;
  min-height: 100%;
  position: relative;
}

/* Brand utility helpers */
.bg-brand { background-color: #A17A51; }
.bg-white { background-color: #ffffff; }

/* Margin utilities */
.mb-10 { margin-bottom: 10px; }
.mb-12 { margin-bottom: 12px; }
.mb-20 { margin-bottom: 20px; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }

a {
  color: #A17A51;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover:not(.main-nav__logo-wrapper a) {
  opacity: 0.8;
}

a:focus-visible,
button:focus-visible {
  outline-color: #A17A51;
  outline-offset: 4px;
  outline-style: auto;
}

/* ============================================
   容器和布局
   ============================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.container:after {
  content: "";
  display: table;
  clear: both;
}

.col {
  float: left;
  min-height: 1px;
}

.col--4 {
  width: 33.3333%;
}

.col--5 {
  width: 41.6667%;
}

.col--6 {
  width: 50%;
}

.col--8 {
  width: 66.6667%;
}

.col--12 {
  width: 100%;
}

.col--prefix-1 {
  margin-left: 8.3333%;
}

/* ============================================
   文字样式
   ============================================ */
.text {
  font-weight: 300;
  color: #000000;
}

.text--xs {
  font-size: 15px;
  line-height: 1.55;
}

.text--sm {
  font-size: 18px;
  line-height: 1.55;
}

.text--md {
  font-size: 20px;
  line-height: 1.55;
}

.heading {
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-weight: 600;
  color: #A17A51;
}

.heading--sm {
  font-size: 18px;
  line-height: 1.35;
}

.heading--lg {
  font-size: 22px;
  line-height: 1.35;
}

.title {
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-weight: 600;
  color: #A17A51;
}

.title--xs {
  font-size: 42px;
  line-height: 1.23;
}

.title--md {
  font-size: 52px;
  line-height: 1.23;
}

.description {
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-weight: 300;
  color: #888888;
}

.description--xs {
  font-size: 16px;
  line-height: 1.55;
}

.description--md {
  font-size: 20px;
  line-height: 1.55;
}

.description--lg {
  font-size: 22px;
  line-height: 1.55;
}

.description--xxxl {
  font-size: 30px;
  line-height: 1.45;
  letter-spacing: 0.45px;
}

/* ============================================
   Section Title Fonts — Tencent Sans
   只应用于以下五个版块的主标题：
   关于丝路纺织 / 产品服务 / 联系我们 / 质量认证 / 合作伙伴
   ============================================ */
.about__title,
.products__title-wrapper .title,
.certification__title-wrapper .title,
.partners__title-wrapper .title,
.contact__header .title {
  font-family: "Tencent Sans", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-weight: 400;
}

/* Text color utilities - placed after .description to ensure proper cascade */
.text-brand { color: #A17A51; }
.text-white { color: #ffffff; }
.text-gray-222 { color: #222222; }
.text-gray-333 { color: #333333; }
.text-gray-444 { color: #444444; }
.text-gray-666 { color: #666666; }

/* ============================================
  Alignment
  ============================================ */
.align-center {
  text-align: center;
}

.align-left {
  text-align: left;
}

.margin-auto {
  margin-left: auto;
  margin-right: auto;
}

.valign-middle {
  vertical-align: middle;
}

/* ============================================
  Buttons
  ============================================ */
.btn {
  display: inline-block;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  border: 0 none;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  font-weight: 700;
  background-image: none;
  cursor: pointer;
  user-select: none;
  box-sizing: border-box;
  transition: all 0.3s ease;
}

.btn--md {
  height: 60px;
  font-size: 16px;
  padding: 0 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.btn--brand {
  background-color: #A17A51;
  color: #ffffff;
}

.btn--brand:hover {
  background-color: #8a6542;
}

.btn--invert {
  background-color: #ffffff;
  color: #A17A51;
  border: none;
}

.btn--invert:hover {
  background-color: #f5f5f5;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.3);
}

.rounded-30 {
  border-radius: 30px;
}

.rounded-8 {
  border-radius: 8px;
}

.section-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ============================================
  Side Navigation Menu
  ============================================ */
.side-nav {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vh;
  height: 60px;
  z-index: 990;
  list-style-type: none;
  text-align: center;
  transform: rotate(-90deg) translateY(100%);
  transform-origin: left bottom;
  display: table;
  table-layout: fixed;
  margin: 0;
  padding: 0;
  background: rgba(161, 122, 81, 0.95);
  backdrop-filter: blur(10px);
  /* 防止产生水平滚动条 */
  overflow: hidden;
  pointer-events: auto;
}

.side-nav__list {
  display: contents;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-nav__item {
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-size: 16px;
  position: relative;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
  height: 60px; /* Lock cell height to avoid jitter on content changes */
  contain: paint; /* Reduce layout impact from child element scaling */
}

.side-nav__link {
  color: #ffffff;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px; /* Match container height to prevent changes */
  padding: 0 20px; /* Horizontal padding; vertical controlled by height */
  font-size: 14px; /* Default 14px */
  line-height: 20px; /* Fixed line-height to avoid rendering jitter */
  transition: transform 0.25s ease, opacity 0.25s ease;
  will-change: transform;
  backface-visibility: hidden;
}

.side-nav__link:hover {
  opacity: 0.7;
}

/* Active effect */
.side-nav__link:active {
  opacity: 0.9;
  transform: scale(0.95);
}

/* Focus-visible (keyboard navigation) */
.side-nav__link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.6);
  outline-offset: -2px;
  border-radius: 4px;
}

/* Text label: scale/bold only here to avoid outer layout impact */
.side-nav__label {
  display: inline-block;
  font-weight: 400;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.25s ease, font-weight 0.25s ease;
  will-change: transform;
  backface-visibility: hidden;
}

.side-nav__link--active .side-nav__label {
  font-weight: 700;
  /* 14px -> 20px 等比缩放�?0/14 �?1.4286 */
  transform: scale(1.4286);
}

/* ============================================
   主导航栏
   ============================================ */
.main-nav {
  width: 100%;
  height: 11vh;
  z-index: 100;
  position: relative;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s linear;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.2) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.main-nav__container {
  width: 100%;
  height: 11vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: none;
  margin: 0;
  padding-left: 80px;
  padding-right: 40px;
}

.main-nav__right {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav__logo-wrapper {
  display: flex;
  align-items: center;
  height: 100%;
  overflow: visible;
  gap: 12px;
  position: relative;
}

.main-nav__logo-wrapper a {
  display: flex;
  align-items: center;
  height: 100%;
  transition: transform 0.3s ease;
}

.main-nav__logo-wrapper a:hover {
  transform: translateY(-2px) scale(1.1);
}

/* Logo Santa hat decoration */
.logo-hat {
  position: absolute;
  width: 28px;
  height: 28px;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.25s ease, transform 0.25s ease, left 0.1s ease, top 0.1s ease;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
  transform: rotate(45deg);
  transform-origin: 20% 80%;
}

.main-nav__logo-wrapper:hover .logo-hat {
  opacity: 0;
  transform: rotate(45deg) translateY(-4px);
}

.logo-svg {
  height: 58px;
  width: auto;
  min-width: 200px;
  display: block;
  transition: filter 0.3s ease;
  overflow: visible;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.logo-tagline {
  font-family: "Cabin", Arial, sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  padding: 6px 14px;
  background: linear-gradient(
    135deg,
    rgba(0, 50, 150, 0.3),
    rgba(0, 50, 150, 0.15)
  );
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
}

.logo-tagline::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 6px solid rgba(0, 50, 150, 0.3);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.main-nav__logo-wrapper:hover .logo-tagline {
  opacity: 1;
  transform: translateX(8px);
}

.main-nav__logo-wrapper:hover .logo-tagline::before {
  opacity: 1;
}

.logo-road,
.logo-subtitle {
  transition: fill 0.3s ease;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.logo-svg text {
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.main-nav__logo-wrapper a:hover .logo-svg {
  filter: brightness(1.2);
}

.main-nav__logo-wrapper a:hover .logo-road,
.main-nav__logo-wrapper a:hover .logo-subtitle {
  fill: #ffffff;
}

.main-nav__description {
  white-space: nowrap;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-size: 16px;
  color: #ffffff;
  font-weight: 500;
  line-height: 1.4;
}

.main-nav__description a:hover {
  opacity: 0.8;
}

.main-nav__buttons {
  display: flex;
  align-items: center;
}

.main-nav__buttons .btn {
  color: #ffffff;
  background-color: #A17A51;
  border-radius: 30px;
  padding: 12px 30px;
  white-space: nowrap;
}

/* Email subscription */
.main-nav__subscribe {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 20px;
}

.subscribe-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.subscribe-icon {
  position: absolute;
  left: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  pointer-events: none;
  z-index: 1;
}

.subscribe-input {
  padding: 10px 16px 10px 38px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  color: #ffffff;
  font-size: 14px;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  width: 200px;
  transition: all 0.3s ease;
}

.subscribe-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.subscribe-input,
.subscribe-btn,
.language-switcher {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.subscribe-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.15);
}

.subscribe-btn {
  padding: 10px 20px;
  background: #ffffff;
  color: #A17A51;
  border: none;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.subscribe-btn:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.main-nav__langs {
  white-space: nowrap;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 400;
}

.lang-link:hover {
  color: rgba(255, 255, 255, 0.9);
}

.lang-link.active {
  color: #ffffff;
  font-weight: 700;
}

.lang-separator {
  color: rgba(255, 255, 255, 0.4);
  font-weight: 300;
}

/* ============================================
  Cover and Hero Section
  ============================================ */
.cover {
  position: relative;
  overflow: hidden;
}

.hero-section {
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0f 100%);
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Hero background slides */
.hero-bg-slides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-bg-slide.active {
  opacity: 1;
}

/* Hero background images */
.hero-bg-1 {
  background-image: url('../static/images/banner/banner1.jpg');
}

.hero-bg-2 {
  background-image: url('../static/images/banner/banner2.jpg');
}

.hero-bg-3 {
  background-image: url('../static/images/banner/banner3.jpg');
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 35, 100, 0.6) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
  z-index: 1;
}

#particleCanvas {
  opacity: 0.3;
  z-index: 2;
}

.cover__filter {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.cover__wrapper {
  position: relative;
  z-index: 3;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  display: flex;
  min-height: calc(100% - 40px);
  box-sizing: border-box;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.hero__header {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 0 60px;
}

/* Hero内容卡片 - 模糊背景 (only for Banner 2) */
.hero-content-card {
  background: rgba(0, 35, 100, 0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 60px 80px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  max-width: 1000px;
  margin: 0 auto;
}

/* ============================================
  Hero Banner - Simple Text Style   ============================================ */
.hero-title {
  font-size: 64px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin: 0 0 25px 0;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.5);
  letter-spacing: 1.5px;
  text-align: center;
  max-width: 100%;
  padding: 0 40px;
  word-break: keep-all;
  white-space: nowrap;
  overflow: visible;
}

.hero-subtitle {
  font-size: 22px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
  letter-spacing: 1.5px;
  line-height: 2;
  margin: 0;
  text-align: center;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 30px;
  white-space: normal;
  word-break: keep-all;
}

/* 副标题变体样式 */
.hero-subtitle--large {
  font-size: 26px;
  font-weight: 500;
  line-height: 1.9;
}

.hero-subtitle--emphasized {
  font-size: 24px;
  font-weight: 500;
  color: rgba(255, 255, 255, 1);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
}

/* Header位置变体 */
.hero__header--left {
  text-align: left;
  max-width: 800px;
  margin-left: 10%;
  margin-right: auto;
}

.hero__header--left .hero-title,
.hero__header--left .hero-subtitle {
  text-align: left;
  margin-left: 0;
}

.hero__header--right {
  text-align: right;
  max-width: 800px;
  margin-left: auto;
  margin-right: 10%;
}

.hero__header--right .hero-title,
.hero__header--right .hero-subtitle {
  text-align: right;
  margin-right: 0;
}

.hero__header--center {
  text-align: center;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

/* 垂直位置变体 */
.hero__header--top {
  justify-content: flex-start;
  padding-top: 120px;
  padding-bottom: 40px;
}

.hero__header--middle {
  justify-content: center;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero__header--bottom {
  justify-content: flex-end;
  padding-top: 40px;
  padding-bottom: 120px;
}

/* ============================================
   旧样式（已弃用，可删除）
   ============================================ */

.hero-data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.hero-data-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 35px 20px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.hero-data-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0)
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.hero-data-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-data-card:hover::before {
  opacity: 1;
}

.hero-data-icon {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 20px;
  animation: icon-float 3s ease-in-out infinite;
}

@keyframes icon-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.hero-data-number {
  font-size: 64px;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  margin: 10px 0;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
  font-family: "Cabin", "Arial", sans-serif;
  display: inline-block;
}

.hero-data-unit {
  font-size: 28px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  display: inline-block;
  margin-left: 4px;
}

.hero-data-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  letter-spacing: 1px;
  margin-top: 15px;
}

/* ============================================
   Banner 2: 产品优势展示
   ============================================ */
.hero-feature-banner {
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 0;
}

.hero-feature-title {
  font-size: 68px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin: 0 0 10px 0;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.5);
  letter-spacing: 2px;
}

.hero-feature-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  letter-spacing: 3px;
  margin: 0 0 50px 0;
  text-transform: uppercase;
}

.hero-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-top: 50px;
}

.hero-feature-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 35px 25px;
  text-align: center;
  transition: all 0.4s ease;
}

.hero-feature-item:hover {
  transform: translateY(-8px) scale(1.02);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.hero-feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
  animation: icon-bounce 2s ease-in-out infinite;
}

@keyframes icon-bounce {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.hero-feature-item h3 {
  font-size: 22px;
  color: #ffffff;
  font-weight: 700;
  margin: 15px 0 12px 0;
  letter-spacing: 1px;
}

.hero-feature-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0;
  font-weight: 300;
}

/* ============================================
   Banner 3: 产品系列展示
   ============================================ */
.hero-product-banner {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
}

.hero-product-title {
  font-size: 68px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin: 0 0 10px 0;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.5);
  letter-spacing: 2px;
}

.hero-product-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  letter-spacing: 3px;
  margin: 0 0 50px 0;
  text-transform: uppercase;
}

.hero-product-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin: 50px 0 40px 0;
}

.hero-category-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 40px 20px 35px 20px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.hero-category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0.1)
  );
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.hero-category-card:hover::before {
  transform: scaleX(1);
}

.hero-category-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.hero-category-number {
  font-size: 56px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
  line-height: 1;
  margin-bottom: 15px;
  font-family: "Cabin", "Arial", sans-serif;
}

.hero-category-card h3 {
  font-size: 24px;
  color: #ffffff;
  font-weight: 700;
  margin: 15px 0 10px 0;
  letter-spacing: 1px;
}

.hero-category-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0;
  font-weight: 300;
}

.hero-product-highlight {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.hero-product-highlight span {
  padding: 10px 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.hero-product-highlight span:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}

/* ============================================
  Legacy styles retained (deprecated)
  ============================================ */

.hero__features {
  margin-top: auto;
  margin-bottom: 30px;
}

.hero__feature {
  display: flex;
  margin-bottom: 20px;
}

.hero__checkmark {
  flex-shrink: 0;
  margin-top: 3px;
  margin-right: 15px;
}

.hero__feature-content {
  flex: 1;
}

.hero__feature-title {
  margin-bottom: 20px;
}

.hero__button-wrapper {
  display: inline-block;
  margin: 0 6px;
}

/* Hero轮播样式 */
.hero-carousel {
  position: relative;
  width: 100%;
  min-height: 60vh;
}

.hero-carousel__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 60vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease-in-out, visibility 1s;
}

.hero-carousel__slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-carousel__controls {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  gap: 10px;
  z-index: 1000;
}

.hero-carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.4s ease;
  padding: 0;
}

.hero-carousel__dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
  transform: scale(1.1);
}

.hero-carousel__dot.active {
  background-color: #A17A51;
  width: 30px;
  border-radius: 2px;
}

.hero-carousel__arrow {
  position: absolute;
  bottom: 40px;
  transform: none;
  width: 40px;
  height: 40px;
  background-color: transparent;
  backdrop-filter: none;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: all 0.3s ease;
  color: #ffffff;
}

.hero-carousel__arrow:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 1);
  transform: scale(1.2);
}

.hero-carousel__arrow--prev {
  left: 80px;
}

.hero-carousel__arrow--next {
  left: 130px;
}

.hero-carousel__arrow svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.5;
}

/* ============================================
  About Section
  ============================================ */
.about-section {
  padding-top: 75px;
  padding-bottom: 75px;
}

/* Top title and subtitle - fixed display */
.about__header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.about__wrapper {
  display: flex;
  align-items: flex-start;
  gap: 80px;
}

.about__left {
  flex: 0 0 40%;
  max-width: 40%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about__right {
  flex: 0 0 55%;
  max-width: 55%;
  transition: opacity 0.4s ease, visibility 0.4s ease, max-width 0.4s ease,
    flex 0.4s ease;
}

.about__right.hidden {
  opacity: 0;
  visibility: hidden;
  max-width: 0;
  flex: 0 0 0%;
  overflow: hidden;
}

.about__left--full {
  flex: 0 0 100% !important;
  max-width: 100% !important;
  width: 100% !important;
}

.about__left--full .about__content,
.about__left--full .about__text-wrapper {
  width: 100% !important;
  max-width: 100% !important;
}

.about__text-wrapper {
  display: block;
  width: 100%;
}

.about__content {
  display: block;
  width: 100%;
}

/* 关于我们 - 标题区域 */
.about__header {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  min-height: 50px;
  width: 100%;
}

.about__title {
  margin: 0;
  font-size: 36px;
  transition: color 0.3s ease;
  flex-shrink: 0;
  white-space: nowrap;
}

.about__title:hover {
  color: #A17A51 !important;
}

.about__tabs {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  align-items: center;
  white-space: nowrap;
}

.about__tab {
  padding: 8px 20px;
  background: transparent;
  border: 2px solid #A17A51;
  color: #A17A51;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.about__tab:hover {
  background: #A17A51;
  color: #ffffff;
  transform: translateY(-2px);
}

.about__tab.active {
  background: #A17A51;
  color: #ffffff;
}

/* Tab内容区域 */
.about__tab-content {
  display: none;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.about__tab-content[data-content="intro"] {
  position: relative;
  min-height: 420px;
}

.about__tab-content.active {
  display: block;
  width: 100%;
  animation: fadeInContent 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInContent {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about__description {
  margin-top: 23px;
}

/* 价值观样式 */
.about__values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-top: 20px;
  transition: all 0.3s ease;
}

/* Full width: 3 columns (6 cards, 2 rows) */
.about__left--full .about__values {
  grid-template-columns: repeat(3, 1fr);
  gap: 25px 30px;
}

.about__value-item {
  position: relative;
  padding: 30px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fb 100%);
  border-radius: 16px;
  border: 1px solid rgba(0, 50, 150, 0.08);
  transition: all 0.4s ease;
  overflow: hidden;
}

.about__value-item:hover {
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(0, 50, 150, 0.12);
  transform: translateY(-6px);
  border-color: rgba(0, 50, 150, 0.15);
}

.about__value-icon {
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 80px;
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
  transition: all 0.4s ease;
  color: #A17A51;
}

/* Default to emoji (Mac) */
.about__value-icon .icon-emoji {
  display: block;
}

.about__value-icon .icon-fa {
  display: none !important;
}

/* SVG icons replacement */
.about__value-icon .icon-svg,
.about__advantage-icon .icon-svg {
  display: block;
}

.about__value-icon .icon-svg svg,
.about__advantage-icon .icon-svg svg {
  width: 80px;
  height: 80px;
  display: block;
}

/* File-based SVG images */
.about__value-icon .icon-svg-img,
.about__advantage-icon .icon-svg-img {
  width: 80px;
  height: 80px;
  display: block;
}

.about__mission-icon .icon-svg-img {
  width: 120px;
  height: 120px;
  display: block;
}

/* Windows下使用Font Awesome */
.os-windows .about__value-icon .icon-emoji {
  display: none;
}

.os-windows .about__value-icon .icon-fa {
  display: block;
}

.about__value-item:hover .about__value-icon {
  opacity: 0.35;
  transform: scale(1.1) rotate(5deg);
}

.about__value-title {
  font-size: 19px;
  font-weight: 700;
  color: #A17A51;
  margin: 0 0 12px 0;
  position: relative;
  z-index: 1;
  letter-spacing: 0.3px;
}

.about__value-text {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* 优势样式 */
.about__advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-top: 20px;
  transition: all 0.3s ease;
}

/* Full width: 3 columns (9 cards, 3 rows) */
.about__left--full .about__advantages {
  grid-template-columns: repeat(3, 1fr);
  gap: 25px 30px;
}

.about__advantage-item {
  position: relative;
  padding: 30px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fb 100%);
  border-radius: 16px;
  border: 1px solid rgba(0, 50, 150, 0.08);
  transition: all 0.4s ease;
  overflow: hidden;
}

.about__advantage-item:hover {
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(0, 50, 150, 0.12);
  transform: translateY(-6px);
  border-color: rgba(0, 50, 150, 0.15);
}

.about__advantage-icon {
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 80px;
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
  transition: all 0.4s ease;
  color: #A17A51;
}

/* Default to emoji (Mac) */
.about__advantage-icon .icon-emoji {
  display: block;
}

.about__advantage-icon .icon-fa {
  display: none;
}

/* Windows下使用Font Awesome */
.os-windows .about__advantage-icon .icon-emoji {
  display: none;
}

.os-windows .about__advantage-icon .icon-fa {
  display: none !important;
}

.about__advantage-item:hover .about__advantage-icon {
  opacity: 0.35;
  transform: scale(1.1) rotate(5deg);
}

.about__advantage-title {
  font-size: 18px;
  font-weight: 700;
  color: #A17A51;
  margin: 0 0 12px 0;
  position: relative;
  z-index: 1;
  letter-spacing: 0.3px;
}

.about__advantage-text {
  font-size: 14px;
  color: #555;
  line-height: 1.75;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* 发展历程轮播样式 */
.about__history-carousel {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 40px 60px;
}

.about__history-track {
  position: relative;
  overflow: visible;
  min-height: 300px;
  width: 100%;
}

.about__history-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 50px 70px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fb 100%);
  border-radius: 20px;
  border: 2px solid rgba(0, 50, 150, 0.1);
  box-shadow: 0 10px 40px rgba(0, 50, 150, 0.15);
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  overflow: hidden;
  min-height: 280px;
}

.about__history-card.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  z-index: 1;
}

.about__history-year-bg {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 120px;
  font-weight: 800;
  color: rgba(0, 50, 150, 0.08);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.about__history-title {
  font-size: 28px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 20px 0;
  position: relative;
  z-index: 2;
}

.about__history-text {
  font-size: 16px;
  color: #555;
  line-height: 1.8;
  margin: 0;
  position: relative;
  z-index: 2;
}

/* Left/Right arrow buttons */
.about__history-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.95);
  border: 2px solid #A17A51;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: all 0.3s ease;
  color: #A17A51;
}

.about__history-arrow:hover {
  background-color: #A17A51;
  color: #ffffff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 50, 150, 0.3);
}

.about__history-arrow--prev {
  left: 0;
}

.about__history-arrow--next {
  right: 0;
}

.about__history-arrow svg {
  width: 24px;
  height: 24px;
}

/* Indicator dots */
.about__history-dots {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.about__history-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(0, 50, 150, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.about__history-dot:hover {
  background-color: rgba(0, 50, 150, 0.6);
  transform: scale(1.2);
}

.about__history-dot.active {
  background-color: #A17A51;
  width: 30px;
  border-radius: 5px;
}

.about__divider {
  display: block;
  max-width: 120px;
  width: 100%;
  height: 3px;
  background-color: #A17A51;
  margin: 8px 0;
}

/* 关于我们图片轮播 */
/* 关于我们 - 图片展示 */
.about-gallery {
  position: relative;
  width: 100%;
  margin-top: 80px;
}

.about-gallery__main {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 50px rgba(0, 50, 150, 0.2);
}

.about-gallery__main-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.about-gallery__main-slide.active {
  opacity: 1;
  z-index: 1;
}

.about-gallery__main-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-gallery__thumbs {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 15px;
  z-index: 3;
}

.about-gallery__thumb {
  position: relative;
  width: 140px;
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 3px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.about-gallery__thumb:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.6);
}

.about-gallery__thumb.active {
  border-color: #ffffff;
  box-shadow: 0 8px 25px rgba(0, 50, 150, 0.5);
  transform: translateY(-6px);
}

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

.about-gallery__thumb-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  backdrop-filter: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.about-gallery__thumb:hover .about-gallery__thumb-overlay {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(1px);
}

.about-gallery__thumb.active .about-gallery__thumb-overlay {
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    rgba(0, 0, 0, 0.4) 100%
  );
  backdrop-filter: blur(3px);
}

.about-gallery__thumb-overlay span {
  color: #ffffff;
  font-size: 18px;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  letter-spacing: 2px;
}

/* intro内容切换 */
.about__intro-section {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
}

.about__intro-section.active {
  opacity: 1;
  visibility: visible;
  animation: fadeInIntro 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInIntro {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ============================================
   产品系列部分
   ============================================ */
.products-section {
  padding: 60px 20px 60px;
  background-color: #f5f5f5;
}

.products__title-wrapper {
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  /* Wider than typical container but centered */
  max-width: 1600px;
  margin: 0 auto;
}

.products__custom-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  padding: 25px 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 12px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  flex-wrap: wrap;
}

.custom-notice__text {
  font-size: 16px;
  color: #444444;
  margin-bottom: 0;
  font-weight: 500;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.custom-notice__btn {
  padding: 12px 30px;
  background: #A17A51;
  color: #ffffff;
  border: none;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.custom-notice__btn:hover {
  background: #A17A51;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 50, 150, 0.3);
}

/* ============================================
   OEM/ODM 服务卡片
============================================ */
.oem-modal-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

/* ============================================
   OEM/ODM 服务卡片
============================================ */
.oem-section {
  position: relative;
}

.oem__title-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.oem-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.oem-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0, 35, 100, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.oem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 35, 100, 0.12);
}

.oem-card--highlight {
  border: 2px solid #A17A51;
  background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

.oem-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #A17A51;
  color: #ffffff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.oem-card__icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.oem-card__title {
  font-size: 24px;
  font-weight: 700;
  color: #A17A51;
  margin-bottom: 10px;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.oem-card__subtitle {
  font-size: 16px;
  color: #666666;
  margin-bottom: 30px;
  font-weight: 400;
}

.oem-card__content {
  margin-bottom: 25px;
}

.oem-feature {
  margin-bottom: 20px;
}

.oem-feature:last-child {
  margin-bottom: 0;
}

.oem-feature h4 {
  font-size: 16px;
  font-weight: 600;
  color: #A17A51;
  margin-bottom: 12px;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.oem-feature ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.oem-feature li {
  font-size: 14px;
  color: #444444;
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

.oem-feature li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #A17A51;
  font-weight: 700;
}

.oem-card__specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  padding: 20px;
  background: rgba(0, 50, 150, 0.04);
  border-radius: 8px;
  margin-bottom: 25px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.spec-label {
  font-size: 12px;
  color: #666666;
  font-weight: 500;
}

.spec-value {
  font-size: 18px;
  color: #A17A51;
  font-weight: 700;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.oem-card__btn {
  width: 100%;
  padding: 16px;
  background: #ffffff;
  border: 2px solid #A17A51;
  color: #A17A51;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.oem-card__btn:hover {
  background: #A17A51;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.3);
}

.oem-card__btn--primary {
  background: #A17A51;
  color: #ffffff;
}

.oem-card__btn--primary:hover {
  background: #A17A51;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 50, 150, 0.4);
}

@media (max-width: 768px) {
  .oem-cards {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .oem-card {
    padding: 30px;
  }

  .oem-card__title {
    font-size: 24px;
  }
}

.product-card {
  position: relative;
  display: block;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 2/1;
  text-decoration: none;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-card:hover .product-card__image {
  transform: scale(1.05);
}

.product-card:hover .product-card__arrow {
  transform: translateX(4px);
}

.product-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
  filter: grayscale(40%);
}

.product-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
}

.product-card__header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 30px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 2;
}

.product-card__title {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 32px;
  font-weight: 400;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.5px;
}

.product-card__arrow {
  width: 32px;
  height: 32px;
  color: #ffffff;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.product-card__desc {
  position: absolute;
  bottom: 30px;
  left: 30px;
  right: 30px;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  z-index: 2;
  letter-spacing: 0.3px;
}

/* ============================================
   认证体系部分
   ============================================ */
.certification-section {
  padding-top: 0px;
  padding-bottom: 0px;
}

.certification__wrapper {
  padding: 80px 0;
}

.certification__title-wrapper {
  margin-bottom: 60px;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.certification__title-wrapper .title--xs {
  margin-bottom: 18px;
}

.cert-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  text-decoration: none;
}

.cert-item-arrow {
  font-size: 11px;
  color: #A17A51;
  transition: all 0.3s ease;
  opacity: 0;
  margin-left: 3px;
  font-weight: 300;
  vertical-align: middle;
  display: inline-block;
}

.cert-link:hover .cert-item-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

.certification__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.certification__item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.certification__item img {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: auto;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  transition: transform 0.3s ease;
  cursor: pointer;
  max-width: 150px;
  height: auto;
}

.certification__item img:hover {
  transform: scale(1.1);
}

/* ============================================
   合作伙伴部分
   ============================================ */
.partners-section {
  padding-top: 0px;
  padding-bottom: 0px;
  position: relative;
  overflow: hidden;
}

.partners__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../static/images/partners/partners.webp");
  background-size: cover;
  background-position: center;
  filter: grayscale(30%);
  z-index: 0;
}

.partners__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(240, 235, 220, 0.35);
  z-index: 1;
}

.partners__wrapper {
  padding: 80px 0;
  position: relative;
  z-index: 2;
}

.partners__title-wrapper {
  margin-bottom: 60px;
}

/* 静态网格容器 */
.partners__grid-container {
  max-width: 1800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 25px 20px;
  justify-items: center;
  justify-content: center;
  padding: 0 20px;
}

/* 响应式布局 */
@media (max-width: 1600px) {
  .partners__grid-container {
    grid-template-columns: repeat(8, 1fr);
  }
}

@media (max-width: 1200px) {
  .partners__grid-container {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 900px) {
  .partners__grid-container {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .partners__grid-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 15px;
  }
}

/* 合作伙伴卡片容器 */
.partner-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

/* Logo样式 */
.partner-logo {
  width: 160px;
  height: 120px;
  object-fit: contain;
  padding: 8px;
  background-color: rgba(255, 255, 255, 0.98);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  filter: grayscale(100%) brightness(1.1) contrast(0.9);
  -webkit-filter: grayscale(100%) brightness(1.1) contrast(0.9);
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
              filter 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
              background-color 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transform: translate3d(0, 0, 0);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Logo悬浮效果 - 丝滑弹性放大 */
.partner-item:hover .partner-logo {
  transform: translate3d(0, 0, 0) scale(1.12);
  background-color: #ffffff;
  filter: grayscale(0%) brightness(1);
  -webkit-filter: grayscale(0%) brightness(1);
}

/* SVG Logo 特殊样式 */
.partner-logo--svg {
  width: 160px;
  height: 120px;
  object-fit: contain;
  padding: 8px;
}

/* ============================================
   联系表单部分
   ============================================ */
.contact-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.contact__header {
  text-align: center;
  margin-bottom: 50px;
  padding: 0 20px;
}

.contact__header .title {
  color: #A17A51;
  margin-bottom: 12px;
}

.contact__header .description {
  color: #888888;
}

/* Main Grid Layout */
.contact__wrapper {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: flex-start;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Left Side: Tabs & Details */
.contact__left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Tab Navigation */
.contact__tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  background: #f8f9fb;
  padding: 12px;
  border-radius: 16px;
  position: sticky;
  top: 100px;
}

.contact__tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.95);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 3px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 600;
  color: white;
  width: 100%;
  height: 120px;
  min-width: auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.contact__tab::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.35) 100%);
  z-index: 1;
  pointer-events: none;
}

.contact__tab-name {
  display: block;
  text-align: center;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: saturate(180%) blur(4px);
  padding: 8px 14px;
  border-radius: 4px;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.contact__tab:hover {
  border-color: #A17A51;
  transform: translateY(-2px) scale(1.03);
  filter: brightness(0.95);
  box-shadow: 0 8px 18px rgba(161, 122, 81, 0.25);
}

.contact__tab.active {
  border-color: #A17A51;
  box-shadow: 0 0 0 2px #A17A51, 0 4px 12px rgba(161, 122, 81, 0.3);
}

/* Details Content */
.contact__details {
  position: relative;
}

.contact__detail-item {
  display: none;
  animation: slideIn 0.4s ease;
}

.contact__detail-item.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.contact__location-title {
  font-size: 24px;
  font-weight: 700;
  color: #A17A51;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #A17A51;
}

.contact__location-block {
  margin-bottom: 20px;
  padding: 16px;
  background: #f8f9fb;
  border-radius: 12px;
  border-left: 4px solid #A17A51;
}

.contact__block-header {
  font-size: 14px;
  font-weight: 700;
  color: #A17A51;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact__block-header i {
  margin-right: 8px;
  font-size: 16px;
}

.contact__block-content {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin: 0;
}

/* 联系人列表美化 */
.contact__contacts-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact__contact-item {
  padding: 12px;
  background: rgba(161, 122, 81, 0.05);
  border-radius: 8px;
  border-left: 3px solid #A17A51;
  transition: all 0.3s ease;
}

.contact__contact-item:hover {
  background: rgba(161, 122, 81, 0.1);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(161, 122, 81, 0.15);
}

.contact__name {
  font-size: 15px;
  font-weight: 700;
  color: #A17A51;
  margin-bottom: 6px;
  display: inline-block;
}

.contact__phone,
.contact__email {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #666;
  text-decoration: none;
  font-weight: 500;
  font-size: 13px;
  transition: all 0.3s ease;
}

.contact__email i {
  font-size: 12px;
  color: #A17A51;
}

.contact__phone:hover,
.contact__email:hover {
  color: #A17A51;
  text-decoration: none;
  font-weight: 600;
}

/* Right Side: Map */
.contact__right {
  position: sticky;
  top: 100px;
  height: 400px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.contact__map {
  width: 100%;
  height: 100%;
  background: #e5e5e5;
  position: relative;
  z-index: 1;
}

#contactMap {
  width: 100%;
  height: 100%;
  min-height: 400px;
  position: relative;
}

/* Map Fullscreen Button */
.map-fullscreen-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: white;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1001;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.map-fullscreen-btn:hover {
  background: #A17A51;
  border-color: #A17A51;
}

.map-fullscreen-btn:hover svg {
  stroke: white;
}

.map-fullscreen-btn svg {
  width: 20px;
  height: 20px;
  stroke: #666;
  transition: stroke 0.3s ease;
}

/* Fullscreen Map Container */
.contact__right.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  border-radius: 0;
}

.contact__right.fullscreen .map-fullscreen-btn svg path {
  d: path("M3 8V5a2 2 0 0 1 2-2h3m10 0h3a2 2 0 0 1 2 2v3m0 10v3a2 2 0 0 1-2 2h-3M3 16v3a2 2 0 0 1 2 2h3");
}

/* Responsive Design */
@media (max-width: 1024px) {
  .contact__wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact__tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@media (max-width: 768px) {
  .contact__header {
    margin-bottom: 30px;
  }

  .contact__header .title {
    font-size: 24px;
  }

  .contact__tabs {
    grid-template-columns: repeat(2, 1fr);
    padding: 8px;
  }

  .contact__tab {
    padding: 10px 12px;
    font-size: 14px;
  }

  .contact__tab-flag {
    font-size: 18px;
  }

  .contact__tab-name {
    font-size: 13px;
  }

  .contact__location-title {
    font-size: 20px;
    margin-bottom: 16px;
  }

  .contact__location-block {
    margin-bottom: 16px;
    padding: 12px;
  }

  .contact__block-header {
    font-size: 12px;
  }

  .contact__block-content {
    font-size: 13px;
  }

  .contact__wrapper {
    padding: 0 20px;
  }
}

@media (max-width: 480px) {
  .contact__wrapper {
    padding: 0 16px;
    gap: 20px;
  }

  .contact__tabs {
    grid-template-columns: 1fr;
    padding: 6px;
  }

  .contact__tab {
    padding: 10px 12px;
    justify-content: flex-start;
  }

  .contact__tab-name {
    font-size: 12px;
  }

  .contact__location-title {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .contact__right {
    height: 350px;
  }
}

/* Custom map marker styles */
.custom-marker {
  background: transparent !important;
  border: none !important;
}

/* Custom map popup styles */
.custom-popup .leaflet-popup-content-wrapper {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  padding: 0;
  overflow: hidden;
}

.custom-popup .leaflet-popup-content {
  margin: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.custom-popup .leaflet-popup-tip {
  background: #ffffff;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.1);
}

.custom-popup a.leaflet-popup-close-button {
  color: #999;
  font-size: 24px;
  padding: 8px 12px;
  transition: color 0.2s;
}

.custom-popup a.leaflet-popup-close-button:hover {
  color: #A17A51;
  background: transparent;
}

/* ============================================
   Google Maps 样式配置 - 骆驼黄色主题
   ============================================ */

/* 地图缩放控件样式 */
.leaflet-control-zoom {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

.leaflet-control-zoom-in,
.leaflet-control-zoom-out {
  background: #ffffff !important;
  border: none !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  width: 40px !important;
  height: 40px !important;
  font-size: 18px !important;
  color: #A17A51 !important;
  margin: 0 !important;
  transition: all 0.3s ease !important;
  margin-bottom: 8px !important;
}

.leaflet-control-zoom-in:hover,
.leaflet-control-zoom-out:hover {
  background: #A17A51 !important;
  color: #ffffff !important;
  box-shadow: 0 6px 16px rgba(161, 122, 81, 0.3) !important;
  transform: scale(1.05);
}

.leaflet-control-zoom-in:active,
.leaflet-control-zoom-out:active {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
  transform: scale(0.98);
}

/* 地图标记 - 骆驼黄色自定义图标 */
.custom-marker-icon {
  background: linear-gradient(135deg, #A17A51 0%, #8B6839 100%);
  border: 3px solid #ffffff;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 12px rgba(161, 122, 81, 0.4),
              0 0 0 2px rgba(255, 255, 255, 0.2) inset;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-marker-icon:hover {
  transform: scale(1.15) translateY(-8px);
  box-shadow: 0 8px 20px rgba(161, 122, 81, 0.6),
              0 0 0 2px rgba(255, 255, 255, 0.2) inset;
}

.custom-marker-icon.active {
  transform: scale(1.25) translateY(-12px);
  background: linear-gradient(135deg, #B89968 0%, #A17A51 100%);
  box-shadow: 0 12px 28px rgba(161, 122, 81, 0.8),
              0 0 0 3px rgba(255, 255, 255, 0.3) inset;
}

/* 活跃标记的脉冲动画 */
@keyframes markerPulse {
  0% {
    box-shadow: 0 4px 12px rgba(161, 122, 81, 0.4),
                0 0 0 2px rgba(255, 255, 255, 0.2) inset,
                0 0 0 0 rgba(161, 122, 81, 0.7);
  }
  50% {
    box-shadow: 0 4px 12px rgba(161, 122, 81, 0.4),
                0 0 0 2px rgba(255, 255, 255, 0.2) inset,
                0 0 0 12px rgba(161, 122, 81, 0);
  }
  100% {
    box-shadow: 0 4px 12px rgba(161, 122, 81, 0.4),
                0 0 0 2px rgba(255, 255, 255, 0.2) inset,
                0 0 0 20px rgba(161, 122, 81, 0);
  }
}

.custom-marker-icon.active {
  animation: markerPulse 2s infinite;
}

/* 地图弹窗增强样式 */
.custom-popup .leaflet-popup-content-wrapper {
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  border-left: 4px solid #A17A51;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(161, 122, 81, 0.15),
              0 0 0 1px rgba(161, 122, 81, 0.1);
}

.custom-popup .leaflet-popup-content {
  margin: 0;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  color: #333333;
  line-height: 1.6;
}

.custom-popup .leaflet-popup-content h4 {
  color: #A17A51;
  font-size: 16px;
  margin: 0 0 10px 0;
  font-weight: 700;
}

.custom-popup .leaflet-popup-content p {
  margin: 0 0 8px 0;
  color: #666666;
}

.custom-popup .leaflet-popup-content p:last-child {
  margin-bottom: 0;
}

.custom-popup .leaflet-popup-tip {
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  border-left: 4px solid #A17A51;
  box-shadow: 0 3px 14px rgba(161, 122, 81, 0.15);
}

.custom-popup a.leaflet-popup-close-button {
  color: #A17A51;
  font-size: 26px;
  padding: 8px 10px;
  transition: all 0.2s ease;
  font-weight: bold;
  line-height: 1;
}

.custom-popup a.leaflet-popup-close-button:hover {
  color: #ffffff;
  background: #A17A51;
  border-radius: 4px;
  transform: rotate(90deg);
}
/* Tile layer 优化 */
.leaflet-tile-pane {
  filter: saturate(0.9) brightness(1.02);
}

/* Contact form circular button (bottom-left) */
.contact-form-trigger {
  position: absolute;
  left: 120px;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: #ffffff;
  color: #A17A51;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  z-index: 10;
}

.contact-form-trigger:hover {
  transform: translateY(-50%) translateY(-3px) scale(1.1);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.5);
  background-color: #f0f4fb;
}

.contact-form-trigger:active {
  transform: translateY(-50%) translateY(-1px) scale(1.05);
}

.contact-form-trigger svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* 联系表单弹窗 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
}

.modal__content {
  background: #ffffff;
  border-radius: 12px;
  padding: 0;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 20px;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: 50%;
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  color: #666;
  transition: all 0.3s ease;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Normalize inline character effects; draw 'X' via pseudo-element */
  padding: 0;
  font-size: 0;
}

.modal__close::before,
.modal__close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  background: currentColor;
  transform-origin: center;
}

.modal__close::before { transform: translate(-50%, -50%) rotate(45deg); }
.modal__close::after  { transform: translate(-50%, -50%) rotate(-45deg); }

.modal__close:hover {
  background: #f5f5f5;
  color: #A17A51;
  transform: rotate(90deg);
}

.modal__header {
  margin: 0;
  padding: 30px 30px 20px;
  text-align: center;
  border-bottom: 2px solid #f0f0f0;
  flex-shrink: 0;
}

.modal__header h2 {
  color: #A17A51;
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.modal__header p {
  color: #666;
  margin-top: 12px;
  font-size: 15px;
}

.modal__body {
  padding: 30px;
  overflow-y: auto;
  flex: 1;
}

.form__inputs {
  transition: max-height 0.3s cubic-bezier(0.19, 1, 0.22, 1);
  max-height: 10000px;
}

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

.form__group {
  margin-bottom: 22px;
}

.form__label {
  padding-bottom: 8px;
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.3px;
}

.form__input {
  background-color: #f8f9fb;
  appearance: none;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-size: 15px;
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e0e4eb;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A17A51' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 40px;
  cursor: pointer;
}

.form__input:focus {
  outline: none;
  border-color: #A17A51 !important;
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(0, 50, 150, 0.08);
}

.form__input::placeholder {
  color: #aaa;
}

textarea.form__input {
  resize: vertical;
  min-height: 120px;
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
}

.form__captcha {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.form__captcha input {
  flex: 1;
}

.form__captcha-btn {
  background: #A17A51;
  color: #ffffff;
  border: none;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-width: 120px;
  margin-top: 0;
}

.form__captcha-btn:hover {
  background: #8f6844;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(161, 122, 81, 0.3);
}

.form__captcha-btn:disabled {
  background: #cccccc;
  cursor: not-allowed;
  opacity: 0.6;
}

.form__captcha-hint {
  font-size: 12px;
  color: #999999;
  margin-top: 6px;
}

.form__submit {
  display: block;
  height: 100%;
  margin-top: 30px;
  margin-bottom: 0;
}

.form__button {
  font-family: "Microsoft JhengHei", "TildaSans", Arial, sans-serif;
  font-size: 16px;
  font-weight: 600;
  padding: 16px 40px;
  width: 100%;
  border: none;
  border-radius: 50px;
  background: #A17A51;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(161, 122, 81, 0.3);
}

.form__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 104, 57, 0.35);
  background: #8B6839;
}

.form__button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(139, 104, 57, 0.35);
}

/* ============================================
  Utilities   ============================================ */
.section-padding-top {
  padding-top: 75px;
}

.section-padding-bottom {
  padding-bottom: 75px;
}

/* ============================================
   动画效果
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

@keyframes particleFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.particle {
  will-change: transform;
}

/* ============================================
  Responsive Settings   ============================================ */
@media screen and (max-width: 1200px) {
  .title--xs {
    font-size: 38px;
  }

  .title--md {
    font-size: 48px;
  }

  .description--xxxl {
    font-size: 26px;
  }

  .hero-carousel__arrow {
    width: 50px;
    height: 50px;
  }

  .hero-carousel__arrow--prev {
    left: 20px;
  }

  .hero-carousel__arrow--next {
    left: 75px;
  }

  .main-nav__padding {
    width: 20px;
  }
}

@media screen and (max-width: 960px) {
  .container {
    padding: 0 20px;
  }

  .col {
    float: none;
    width: 100% !important;
    margin-left: 0 !important;
  }

  /* About responsiveness */
  .about__header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  /* Timeline carousel responsiveness */
  .about__history-carousel {
    padding: 30px 50px;
  }

  .about__history-track {
    min-height: 320px;
  }

  .about__history-card {
    padding: 40px 30px 30px;
  }

  .about__history-year-bg {
    font-size: 100px;
    top: 5px;
    right: 15px;
  }

  .about__history-title {
    font-size: 24px;
    margin-bottom: 15px;
  }

  .about__history-text {
    font-size: 15px;
  }

  /* About responsiveness */
  .about__wrapper {
    flex-direction: column;
    gap: 40px;
  }

  .about__left,
  .about__right {
    max-width: 100%;
  }

  .hero-content-card {
    padding: 45px 40px;
  }

  .hero-carousel__arrow--prev {
    left: 70px;
  }

  .hero-carousel__arrow--next {
    left: 115px;
  }

  .main-nav {
    position: static;
    text-align: center;
    display: block;
    margin: 0;
    padding: 0;
    height: auto !important;
  }

  .main-nav__container {
    height: auto !important;
    display: block;
  }

  .main-nav__side {
    display: block;
    text-align: center;
    float: none;
  }

  .main-nav__content {
    padding: 20px 0;
  }

  .main-nav__content {
    display: table;
    position: static;
    float: none;
    text-align: center;
    margin: 0 auto;
  }

  .side-nav {
    display: none;
  }

  .hero__header {
    flex-grow: 0;
    padding: 80px 0 100px;
  }

  .hero__features {
    margin-top: 0;
  }

  .hero__feature {
    margin-bottom: 40px;
  }

  .products__card {
    width: 100% !important;
    padding: 10px 10px 0 10px;
  }

  .certification__grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 30px !important;
  }

  .partners__row {
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 640px) {
  .title--xs {
    font-size: 30px;
  }

  .title--md {
    font-size: 30px;
  }

  .description--xxxl {
    font-size: 22px;
  }

  .btn--md {
    padding: 0 30px;
  }

  .hero-content-card {
    padding: 40px 30px;
    border-radius: 16px;
  }

  .hero-carousel__arrow {
    width: 40px;
    height: 40px;
    display: none;
  }

  .hero-carousel__arrow svg {
    width: 20px;
    height: 20px;
  }

  .hero-carousel__controls {
    bottom: 20px;
    right: 20px;
  }

  .certification__grid {
    grid-template-columns: 1fr !important;
    gap: 25px !important;
  }

  /* Timeline mobile optimizations */
  .about__history-carousel {
    padding: 20px 40px;
  }

  .about__history-track {
    min-height: 380px;
  }

  .about__history-card {
    padding: 35px 25px 25px;
  }

  .about__history-year-bg {
    font-size: 80px;
    top: 0;
    right: 10px;
  }

  .about__history-title {
    font-size: 22px;
    margin-bottom: 12px;
  }

  .about__history-text {
    font-size: 14px;
    line-height: 1.7;
  }

  .about__history-arrow {
    width: 40px;
    height: 40px;
  }

  .about__history-arrow svg {
    width: 20px;
    height: 20px;
  }

  .about__history-dots {
    bottom: -5px;
  }

  .about__history-dot {
    width: 8px;
    height: 8px;
  }

  .about__history-dot.active {
    width: 24px;
  }

  .form__button {
    width: 100%;
  }

  .products__grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .product-card__title {
    font-size: 24px;
  }

  .product-card__desc {
    font-size: 14px;
  }

  .product-card__header {
    padding: 20px;
  }

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

  .footer__wrapper {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__copyright {
    order: 1;
  }

  .footer__links {
    order: 2;
  }

  .footer__social {
    order: 3;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .main-nav__padding {
    width: 15px;
  }

  .partners__col {
    max-width: 140px;
    margin: 12px;
  }
}

/* ============================================
   Footer样式
   ============================================ */
footer {
  text-align: left;
  position: relative;
  z-index: 100;
  min-height: 100px;
  padding: 30px 40px !important;
  display: block;
}

.footer__wrapper {
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  align-items: center;
  gap: 20px;
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.footer__left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
  width: 100%;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  white-space: nowrap;
}

.footer__social {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-shrink: 0;
  justify-content: center;
  width: 100%;
}

.footer__right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  justify-content: flex-end;
  width: 100%;
  white-space: nowrap;
  justify-self: end;
}

.footer__separator {
  color: rgba(255, 255, 255, 0.4);
  margin: 0 5px;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
}

.footer__social-link:hover {
  transform: scale(1.5);
  color: #ffffff;
}

.footer__social-link i {
  font-size: 26px;
}

.footer__social-link--wechat i {
  font-size: 30px;
}

/* QR Code Popup Styles */
.footer__qr-popup {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: #A17A51;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer__social-link--qr:hover .footer__qr-popup {
  opacity: 1;
  visibility: visible;
}

.footer__qr-image {
  width: 160px;
  height: 160px;
  border-radius: 8px;
  display: block;
  background: #ffffff;
  padding: 4px;
  box-sizing: border-box;
}

.footer__qr-label {
  font-size: 13px;
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Platform-specific QR popup colors */
.footer__social-link--wechat .footer__qr-popup {
  background: #09B83E;
}

.footer__social-link--wechat .footer__qr-popup::after {
  border-top-color: #09B83E;
}

.footer__social-link--whatsapp .footer__qr-popup {
  background: #25D366;
}

.footer__social-link--whatsapp .footer__qr-popup::after {
  border-top-color: #25D366;
}

.footer__social-link--telegram .footer__qr-popup {
  background: #0088cc;
}

.footer__social-link--telegram .footer__qr-popup::after {
  border-top-color: #0088cc;
}

/* Arrow for QR popup */
.footer__qr-popup::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #A17A51;
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer__link:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ============================================
  Privacy & Terms Modal Styles   ============================================ */
.policy-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  animation: fadeIn 0.3s ease;
}

.policy-modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.policy-modal .modal__content {
  background-color: #ffffff;
  margin: 20px;
  padding: 0;
  border-radius: 12px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease;
  position: relative;
}

.policy-modal .modal__close {
  position: absolute;
  right: 20px;
  top: 20px;
  color: #666666;
  font-size: 32px;
  font-weight: 300;
  cursor: pointer;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  background: none;
  border: none;
  line-height: 1;
  padding: 0;
  /* Draw 'X' via pseudo-element to avoid cross-font baseline differences */
  font-size: 0;
}

.policy-modal .modal__close::before,
.policy-modal .modal__close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  background: currentColor;
  transform-origin: center;
}

.policy-modal .modal__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.policy-modal .modal__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.policy-modal .modal__close:hover {
  background-color: #f5f5f5;
  color: #A17A51;
  transform: rotate(90deg);
}

.policy-modal .modal__title {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 28px;
  font-weight: 600;
  color: #A17A51;
  margin: 0;
  padding: 30px 30px 20px;
  border-bottom: 2px solid #f0f0f0;
  flex-shrink: 0;
}

.policy-modal .modal__body {
  padding: 30px;
  overflow-y: auto;
  flex: 1;
  color: #333333;
  line-height: 1.8;
}

.policy-modal .modal__body h3 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #A17A51;
  margin: 25px 0 15px;
}

.policy-modal .modal__body h3:first-child {
  margin-top: 0;
}

.policy-modal .modal__body p {
  margin: 12px 0;
  font-size: 15px;
}

.policy-modal .modal__body ul {
  margin: 12px 0;
  padding-left: 25px;
}

.policy-modal .modal__body li {
  margin: 8px 0;
  font-size: 15px;
}

.policy-modal .modal__body strong {
  color: #A17A51;
  font-weight: 600;
}

@media screen and (max-width: 640px) {
  .policy-modal .modal__content {
    margin: 10px;
    max-height: 95vh;
  }

  .policy-modal .modal__title {
    font-size: 22px;
    padding: 20px 20px 15px;
  }

  .policy-modal .modal__body {
    padding: 20px;
  }

  .policy-modal .modal__body h3 {
    font-size: 18px;
  }
}

/* ============================================
   产品弹窗样式
   ============================================ */
.product-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.product-modal.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.product-modal__content {
  position: relative;
  background-color: #ffffff;
  margin: 40px auto;
  padding: 0;
  border-radius: 16px;
  max-width: 1200px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.4s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-modal__close {
  position: absolute;
  right: 20px;
  top: 20px;
  color: #7a7a7a;
  font-size: 32px;
  font-weight: 300;
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  /* Eliminate font baseline shift; use pseudo-element 'X' */
  padding: 0;
  font-size: 0;
}

.product-modal__close::before,
.product-modal__close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  background: currentColor;
  transform-origin: center;
}

.product-modal__close::before { transform: translate(-50%, -50%) rotate(45deg); }
.product-modal__close::after  { transform: translate(-50%, -50%) rotate(-45deg); }

.product-modal__close:hover {
  color: #A17A51;
  background: #f5f5f5;
  transform: rotate(90deg);
}

.product-modal__title {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: #A17A51;
  margin: 0;
  padding: 35px 40px 25px;
  border-bottom: 3px solid #A17A51;
  background: linear-gradient(to right, #f8f9fa, #ffffff);
}

.product-modal__body {
  padding: 35px 40px 40px;
  overflow-y: auto;
  max-height: calc(90vh - 120px);
  color: #333333;
}

.product-modal__body::-webkit-scrollbar {
  width: 8px;
}

.product-modal__body::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.product-modal__body::-webkit-scrollbar-thumb {
  background: #A17A51;
  border-radius: 10px;
}

.product-modal__body::-webkit-scrollbar-thumb:hover {
  background: #A17A51;
}

.product-modal__intro {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
  padding: 20px 25px;
  border-radius: 12px;
  border-left: 4px solid #A17A51;
  margin-bottom: 30px;
}

.product-modal__intro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #A17A51;
}

/* 产品图片画廊 */
.product-gallery {
  display: flex;
  gap: 16px;
  margin: 30px 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: #A17A51 #f5f5f5;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding-bottom: 10px;
}

.product-gallery::-webkit-scrollbar {
  height: 8px;
}

.product-gallery::-webkit-scrollbar-track {
  background: #f5f5f5;
  border-radius: 4px;
}

.product-gallery::-webkit-scrollbar-thumb {
  background: #A17A51;
  border-radius: 4px;
}

.product-gallery::-webkit-scrollbar-thumb:hover {
  background: #8b6943;
}

.product-gallery__item {
  flex: 0 0 auto;
  width: 280px;
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.product-gallery__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

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

/* 产品分类样式 */
.product-subcategories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0 30px;
}

.subcategory-item {
  background: #ffffff;
  padding: 20px;
  border-radius: 10px;
  border: 2px solid #e8e8e8;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.subcategory-item:hover {
  border-color: #A17A51;
  box-shadow: 0 6px 16px rgba(161, 122, 81, 0.15);
  transform: translateY(-3px);
}

.subcategory-item h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 15px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid #A17A51;
}

.subcategory-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.subcategory-item li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  color: #333333;
  line-height: 1.6;
}

.subcategory-item li::before {
  content: "▪";
  position: absolute;
  left: 8px;
  color: #A17A51;
  font-weight: bold;
  font-size: 18px;
}

.product-modal__body h3 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: #A17A51;
  margin: 35px 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e0e0e0;
  position: relative;
}

.product-modal__body h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 80px;
  height: 2px;
  background: #A17A51;
}

.product-modal__body h3:first-of-type {
  margin-top: 0;
}

/* 规格表格样式 */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 30px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  overflow: hidden;
}

.spec-table thead {
  background: #A17A51;
}

.spec-table th {
  padding: 16px 12px;
  text-align: left;
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-table tbody tr {
  border-bottom: 1px solid #e8e8e8;
  transition: background-color 0.2s ease;
}

.spec-table tbody tr:last-child {
  border-bottom: none;
}

.spec-table tbody tr:hover {
  background-color: #f8f9fa;
}

.spec-table td {
  padding: 14px 12px;
  font-size: 14px;
  color: #333333;
}

.spec-table td:first-child {
  font-weight: 600;
  color: #A17A51;
}

/* 成分网格 */
.composition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0 30px;
}

.composition-item {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
}

.composition-item:hover {
  border-color: #A17A51;
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.1);
  transform: translateY(-2px);
}

.composition-item h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 15px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid #A17A51;
}

.composition-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.composition-item li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  color: #333333;
}

.composition-item li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #A17A51;
  font-weight: bold;
}

/* Usage tags */
.usage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 30px;
}

.usage-tag {
  display: inline-block;
  padding: 10px 20px;
  background: #A17A51;
  color: #ffffff;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: default;
  box-shadow: 0 2px 6px rgba(0, 50, 150, 0.2);
}

.usage-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.3);
}

/* 特点列表 */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  padding: 12px 0 12px 40px;
  position: relative;
  font-size: 15px;
  line-height: 1.8;
  color: #333333;
  border-bottom: 1px dashed #e0e0e0;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 12px;
  width: 26px;
  height: 26px;
  background: #A17A51;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 16px;
}

.feature-list strong {
  color: #A17A51;
  font-weight: 600;
}

/* Product modal responsiveness */
@media screen and (max-width: 960px) {
  .product-modal__content {
    width: 95%;
    margin: 20px auto;
  }

  .product-modal__title {
    font-size: 26px;
    padding: 25px 30px 20px;
  }

  .product-modal__body {
    padding: 25px 30px 30px;
  }

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

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

  .product-gallery__item {
    width: 240px;
    height: 160px;
  }

  .spec-table {
    font-size: 13px;
  }

  .spec-table th,
  .spec-table td {
    padding: 10px 8px;
  }
}

@media screen and (max-width: 640px) {
  .product-modal__content {
    width: 100%;
    margin: 0;
    border-radius: 0;
    max-height: 100vh;
  }

  .product-modal__title {
    font-size: 22px;
    padding: 20px 20px 15px;
  }

  .product-modal__body {
    padding: 20px;
    max-height: calc(100vh - 90px);
  }

  .product-modal__close {
    right: 15px;
    top: 15px;
    font-size: 28px;
    width: 36px;
    height: 36px;
  }

  .spec-table {
    display: block;
    overflow-x: auto;
  }

  .usage-tags {
    gap: 8px;
  }

  .usage-tag {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* ============================================
  Scrollbar Styles   ============================================ */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #A17A51;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #A17A51;
}

/* ============================================
  Back To Top Button
  ============================================ */
.back-to-top {
  position: fixed;
  bottom: 45px;
  right: 40px;
  width: 50px;
  height: 50px;
  background-color: #A17A51;
  color: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  will-change: opacity, visibility, transform;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top.in-footer {
  background-color: #ffffff;
  color: #A17A51;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* ============================================
   关于我们弹窗专属样式
   ============================================ */
.about-modal-section {
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e0e0e0;
}

.about-modal-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.about-modal-section h3 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 26px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 25px 0;
  padding-bottom: 15px;
  border-bottom: 3px solid #A17A51;
  position: relative;
}

.about-modal-section h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, #A17A51, transparent);
}

/* 企业数据网格 */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin: 30px 0;
}

.about-grid-item {
  text-align: center;
  padding: 25px 15px;
  background: #f8f9fa;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.about-grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 50, 150, 0.15);
}

.about-icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.about-grid-item h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 10px 0;
}

.about-grid-item p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.6;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 40px;
  margin: 30px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, #A17A51, #7a7a7a);
}

.timeline-item {
  position: relative;
  margin-bottom: 35px;
  padding-left: 50px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 20px;
  height: 20px;
  background: #A17A51;
  border: 3px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 3px #e8f0ff;
}

.timeline-year {
  position: absolute;
  left: -30px;
  top: 30px;
  font-family: "Cabin", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #A17A51;
  background: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
}

.timeline-content h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 8px 0;
}

.timeline-content p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.6;
}

/* 价值观卡片 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin: 30px 0;
}

.value-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  padding: 30px 25px;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
  text-align: center;
}

.value-card:hover {
  border-color: #A17A51;
  box-shadow: 0 8px 24px rgba(0, 50, 150, 0.15);
  transform: translateY(-3px);
}

.value-icon {
  font-size: 52px;
  margin-bottom: 20px;
}

.value-card h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 15px 0;
}

.value-card p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.7;
}

/* OEM服务 */
.oem-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin: 30px 0;
}

.oem-service-item {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 10px;
  border-left: 4px solid #A17A51;
}

.oem-service-item h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 15px 0;
}

.oem-service-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.oem-service-item li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  color: #333;
  line-height: 1.6;
}

.oem-service-item li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #A17A51;
  font-weight: bold;
}

/* 服务承诺 */
.service-promises {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin: 30px 0;
}

.promise-item {
  display: flex;
  gap: 20px;
  background: #f8f9fa;
  padding: 25px;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.promise-item:hover {
  background: #e8f0ff;
  transform: translateX(5px);
}

.promise-number {
  font-family: "Cabin", sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #A17A51;
  line-height: 1;
  opacity: 0.3;
  flex-shrink: 0;
}

.promise-content h4 {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #A17A51;
  margin: 0 0 10px 0;
}

.promise-content p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.6;
}

/* 联系信息网格 */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-top: 20px;
}

.contact-info-item {
  font-size: 14px;
  color: #A17A51;
  line-height: 1.8;
}

.contact-info-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 8px;
  color: #A17A51;
}

/* About modal responsiveness */
@media screen and (max-width: 1200px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media screen and (max-width: 960px) {
  .about-grid,
  .values-grid,
  .oem-services,
  .service-promises,
  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline-item {
    padding-left: 40px;
  }
}

@media screen and (max-width: 640px) {
  .about-modal-section h3 {
    font-size: 22px;
  }

  .about-icon {
    font-size: 40px;
  }

  .value-icon {
    font-size: 44px;
  }
}

.back-to-top:hover {
  background-color: #A17A51;
  box-shadow: 0 6px 16px rgba(0, 35, 100, 0.6);
  transform: translateY(-3px);
}

.back-to-top.in-footer:hover {
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 16px rgba(255, 255, 255, 0.5);
}

.back-to-top:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 50, 150, 0.4);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}
/* ============================================
  Banner Responsive Styles   ============================================ */
@media screen and (max-width: 1200px) {
  .hero-title {
    font-size: 52px;
    white-space: nowrap;
    line-height: 1.2;
    letter-spacing: 1px;
  }

  .hero-subtitle {
    font-size: 20px;
    line-height: 2;
    max-width: 850px;
  }

  .hero-subtitle--large {
    font-size: 22px;
    line-height: 2.1;
  }

  .hero-subtitle--emphasized {
    font-size: 21px;
    line-height: 2;
  }

  .hero__header--left,
  .hero__header--right {
    margin-left: 5%;
    margin-right: 5%;
  }
}

@media screen and (max-width: 960px) {
  .hero-title {
    font-size: 38px;
    white-space: normal;
    line-height: 1.3;
    padding: 0 30px;
    letter-spacing: 0.5px;
  }

  .hero-subtitle {
    font-size: 17px;
    line-height: 1.9;
    padding: 0 25px;
    max-width: 700px;
  }

  .hero-subtitle--large {
    font-size: 19px;
  }

  .hero-subtitle--emphasized {
    font-size: 18px;
  }

  .hero__header--left,
  .hero__header--right,
  .hero__header--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .hero__header--left .hero-title,
  .hero__header--left .hero-subtitle,
  .hero__header--right .hero-title,
  .hero__header--right .hero-subtitle {
    text-align: center;
  }

  /* 移动端恢复统一垂直居中 */
  .hero__header--top,
  .hero__header--middle,
  .hero__header--bottom {
    justify-content: center;
    padding-top: 60px;
    padding-bottom: 60px;
  }
}

@media screen and (max-width: 640px) {
  .hero-title {
    font-size: 26px;
    margin-bottom: 20px;
    white-space: normal;
    line-height: 1.4;
    padding: 0 20px;
    letter-spacing: 0.5px;
  }

  .hero-subtitle {
    font-size: 14px;
    letter-spacing: 0.3px;
    margin-bottom: 15px;
    line-height: 2;
    padding: 0 20px;
    max-width: 100%;
  }

  .hero-subtitle--large {
    font-size: 16px;
  }

  .hero-subtitle--emphasized {
    font-size: 15px;
  }
}

/* ============================================
  Custom Context Menu   ============================================ */
.custom-context-menu {
  position: fixed;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  padding: 6px 0;
  min-width: 180px;
  z-index: 99999;
  animation: contextMenuFadeIn 0.15s ease-out;
  pointer-events: auto;
}

@keyframes contextMenuFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-5px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.context-menu-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: #333;
  font-size: 14px;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.context-menu-item:hover {
  background: #f5f7fa;
  color: #A17A51;
}

.context-menu-item:active {
  background: #e8ecf1;
}

.context-menu-item svg {
  margin-right: 12px;
  flex-shrink: 0;
  opacity: 0.7;
}

.context-menu-item:hover svg {
  opacity: 1;
  stroke: #A17A51;
}

.context-menu-divider {
  height: 1px;
  background: #e8ecf1;
  margin: 6px 0;
}

/* 使命Tab内容样式 */
.about__mission {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.about__mission-item {
  position: relative;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fb 100%);
  padding: 35px;
  border-radius: 16px;
  border: 1px solid rgba(0, 50, 150, 0.08);
  transition: all 0.4s ease;
  overflow: hidden;
}

.about__mission-item:hover {
  background: #ffffff;
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 35, 100, 0.12);
  border-color: rgba(0, 50, 150, 0.15);
}

.about__mission-icon {
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 80px;
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
  transition: all 0.4s ease;
}

.about__mission-item:hover .about__mission-icon {
  opacity: 0.35;
  transform: scale(1.1) rotate(5deg);
}

.about__mission-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 18px;
  color: #A17A51;
  position: relative;
  z-index: 1;
  letter-spacing: 0.3px;
}

.about__mission-text {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  text-align: justify;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.about__mission-text:last-child {
  margin-bottom: 0;
}

/* Mission styles adjustments at full width */
.about__left--full .about__mission {
  gap: 60px;
}

.about__left--full .about__mission-item {
  padding: 40px;
}

/* Responsive settings */
@media (max-width: 1024px) {
  .about__mission {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .about__mission-item {
    padding: 25px;
  }
}

/* ============================================
   全局移动端适配
   ============================================ */

/* 平板设备 (768px - 1024px) */
@media screen and (max-width: 1024px) {
  /* Banner区域 */
  .main-nav__logo img {
    width: 140px;
  }

  .banner__content h1 {
    font-size: 48px;
  }

  .banner__content p {
    font-size: 18px;
  }

  /* 标题尺寸调整 */
  .title--lg {
    font-size: 42px;
  }

  .title--md {
    font-size: 36px;
  }

  .title--xs {
    font-size: 32px;
  }

  /* 产品卡片 */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  /* 关于我们布局 */
  .about__content {
    flex-direction: column;
    gap: 40px;
  }

  .about__left {
    width: 100%;
  }

  .about__gallery {
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 移动设备 (481px - 768px) */
@media screen and (max-width: 768px) {
  /* Navigation */
  .main-nav {
    padding: 15px 20px;
  }

  .main-nav__logo img {
    width: 120px;
  }

  .main-nav__links {
    display: none; /* Hide nav links on mobile */
  }

  /* Banner区域 */
  .banner {
    min-height: 500px;
    padding-top: 80px;
  }

  .banner__content {
    padding: 0 20px;
  }

  .banner__content h1 {
    font-size: 36px;
    line-height: 1.3;
  }

  .banner__content p {
    font-size: 16px;
    margin-bottom: 35px;
  }

  .banner__buttons {
    flex-direction: column;
    width: 100%;
    gap: 15px;
  }

  .banner__button {
    width: 100%;
    justify-content: center;
  }

  /* 标题尺寸 */
  .title--lg {
    font-size: 32px;
  }

  .title--md {
    font-size: 28px;
  }

  .title--xs {
    font-size: 26px;
  }

  .description--lg {
    font-size: 16px;
  }

  .description--md {
    font-size: 15px;
  }

  /* Intro区域 */
  .intro__grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  /* 产品区域 */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 20px;
  }

  .product-card {
    aspect-ratio: 16/9;
  }

  /* 关于我们 */
  .about__gallery {
    grid-template-columns: 1fr;
    gap: 15px;
  }

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

  /* 联系我们区域 */
  .contact-section {
    padding-top: 0;
  }

  .contact__map-container {
    height: 500px;
  }

  .contact__header-overlay {
    top: 20px;
    left: 50%;
    width: calc(100% - 40px);
    max-width: none;
    padding: 20px;
  }

  .contact__header-overlay .title {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .contact__header-overlay .description {
    font-size: 14px;
    line-height: 1.6;
  }

  .contact__locations-overlay {
    position: static;
    width: 100%;
    margin-top: 20px;
    border-radius: 0;
    padding: 20px;
  }

  /* Footer */
  .footer {
    padding: 40px 20px 30px;
  }

  .footer__wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
  }

  .footer__social {
    margin-right: 0;
    flex-wrap: wrap;
  }

  .footer__right {
    width: 100%;
  }

  /* Contact form button */
  .contact-form-trigger {
    left: 20px;
    width: 45px;
    height: 45px;
  }

  /* 模态框 */
  .modal__content {
    width: 90%;
    max-width: 90%;
    padding: 25px;
  }

  .modal__header h2 {
    font-size: 24px;
  }

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

  /* 表单响应式调整 */
  .form__row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form__captcha {
    flex-direction: column;
  }

  .form__captcha-btn {
    width: 100%;
    min-width: unset;
  }

  .form__captcha-btn:disabled {
    cursor: not-allowed;
  }
}

/* Small mobile devices (≤480px) */
@media screen and (max-width: 480px) {
  /* Navigation */
  .main-nav {
    padding: 12px 15px;
  }

  .main-nav__logo img {
    width: 100px;
  }

  /* Banner */
  .banner {
    min-height: 450px;
    padding-top: 70px;
  }

  .banner__content h1 {
    font-size: 28px;
  }

  .banner__content p {
    font-size: 14px;
    margin-bottom: 30px;
  }

  .banner__button {
    padding: 14px 28px;
    font-size: 14px;
  }

  /* 标题 */
  .title--lg {
    font-size: 26px;
  }

  .title--md {
    font-size: 24px;
  }

  .title--xs {
    font-size: 22px;
  }

  .description--lg,
  .description--md {
    font-size: 14px;
  }

  /* Section间距 */
  section {
    padding: 50px 15px;
  }

  /* Intro卡片 */
  .intro__item {
    padding: 25px;
  }

  .intro__item h3 {
    font-size: 20px;
  }

  /* OEM卡片 */
  .oem-card {
    padding: 25px;
  }

  .oem-card__title {
    font-size: 20px;
  }

  /* 关于我们 */
  .about__mission-item {
    padding: 20px;
  }

  .about__mission-item h3 {
    font-size: 18px;
  }

  /* 联系地图 */
  .contact__map-container {
    height: 400px;
  }

  .contact__header-overlay {
    top: 15px;
    width: calc(100% - 30px);
    padding: 15px;
  }

  .contact__header-overlay .title {
    font-size: 20px;
  }

  .contact__header-overlay .description {
    font-size: 13px;
  }

  .contact__location-item {
    padding: 12px 15px;
    gap: 12px;
  }

  .contact__location-icon {
    font-size: 24px;
  }

  .contact__location-name {
    font-size: 15px;
  }

  .contact__location-country {
    font-size: 11px;
  }

  /* Footer */
  .footer {
    padding: 30px 15px 20px;
  }

  .footer__social {
    gap: 12px;
  }

  .footer__social-link {
    font-size: 13px;
  }

  .footer__copyright {
    font-size: 11px;
  }

  /* 联系表单 */
  .contact-form-trigger {
    left: 15px;
    width: 40px;
    height: 40px;
  }

  .contact-form-trigger svg {
    width: 18px;
    height: 18px;
  }

  /* 模态框 */
  .modal__content {
    width: 95%;
    padding: 20px;
    border-radius: 12px;
  }

  .modal__header {
    margin-bottom: 20px;
  }

  .modal__header h2 {
    font-size: 20px;
  }

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

  .form__button {
    padding: 14px;
    font-size: 14px;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  /* Increase clickable area */
  a, button, .contact__location-item {
    min-height: 44px;
    min-width: 44px;
  }

  /* 禁用hover效果，使用active代替 */
  .banner__button:hover {
    transform: none;
  }

  .banner__button:active {
    transform: scale(0.98);
  }

  .contact__location-item:hover {
    transform: none;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fb 100%);
  }

  .contact__location-item:active {
    background: linear-gradient(135deg, #e8eef7 0%, #f0f4fb 100%);
    border-color: #A17A51;
  }
}

/* 横屏模式适配 */
@media screen and (max-width: 960px) and (orientation: landscape) {
  .banner {
    min-height: 400px;
  }

  .contact__map-container {
    height: 400px;
  }

  .modal__content {
    max-height: 90vh;
    overflow-y: auto;
  }
}

/* Deprecated standalone styles retained as fallback */

.context-menu-item span {
  flex: 1;
  white-space: nowrap;
}

/* ========== CUSTOM DIALOGS ========== */
.custom-dialog {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  animation: fadeInDialog 0.3s ease-out;
}

/* 隐藏对话框 */
.custom-dialog.hidden {
  display: none !important;
}

@keyframes fadeInDialog {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.dialog-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}

.dialog-box {
  position: relative;
  background: white;
  border-radius: 12px;
  padding: 40px 30px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  animation: slideUpDialog 0.3s ease-out;
  z-index: 10000;
}

@keyframes slideUpDialog {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 28px;
  color: #999;
  cursor: pointer;
  padding: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.dialog-close:hover {
  color: #333;
  background-color: #f5f5f5;
  border-radius: 4px;
}

.dialog-icon {
  text-align: center;
  margin-bottom: 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dialog-icon svg {
  width: 60px;
  height: 60px;
  animation: scaleInIcon 0.4s ease-out;
}

@keyframes scaleInIcon {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.dialog-icon-pending {
  animation: rotateSpin 2s linear infinite;
}

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

.dialog-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 12px 0;
  text-align: center;
}

.dialog-message {
  font-size: 14px;
  color: #666;
  line-height: 1.5;
  margin: 0 0 8px 0;
  text-align: center;
}

.dialog-email,
.dialog-hint {
  font-size: 13px;
  color: #999;
  text-align: center;
  margin: 8px 0;
  word-break: break-all;
  font-family: 'Monaco', 'Menlo', monospace;
}

.dialog-email {
  background-color: #f9f9f9;
  padding: 10px;
  border-radius: 4px;
  border-left: 3px solid #A17A51;
}

.dialog-button {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dialog-button--primary {
  background-color: #A17A51;
  color: white;
}

.dialog-button--primary:hover {
  background-color: #8b6642;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(161, 122, 81, 0.3);
}

.dialog-button--primary:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 480px) {
  .dialog-box {
    padding: 30px 20px;
    width: 95%;
  }

  .dialog-title {
    font-size: 18px;
  }

  .dialog-message {
    font-size: 13px;
  }

  .dialog-button {
    padding: 12px;
    font-size: 14px;
  }
}

/* ============================================
   英文字体大小调整（避免文本过长导致错位）
   ============================================ */

/* 检测英文内容并应用较小字体 */
html[lang="en"] .about__title,
.about__title:lang(en) {
  font-size: 28px !important;
  white-space: normal;
  line-height: 1.3;
}

html[lang="en"] .product-card__title,
.product-card__title:lang(en) {
  font-size: 24px !important;
  line-height: 1.3;
  letter-spacing: 0.3px;
}

html[lang="en"] .hero-title,
.hero-title:lang(en) {
  font-size: 52px !important;
  white-space: normal;
  line-height: 1.2;
  padding: 0 20px;
}

html[lang="en"] .hero-subtitle,
.hero-subtitle:lang(en) {
  font-size: 18px !important;
  line-height: 1.8;
  letter-spacing: 0.5px;
}

html[lang="en"] .hero-subtitle--large,
.hero-subtitle--large:lang(en) {
  font-size: 20px !important;
  line-height: 1.7;
}

html[lang="en"] .hero-subtitle--emphasized,
.hero-subtitle--emphasized:lang(en) {
  font-size: 19px !important;
  line-height: 1.7;
}

html[lang="en"] .title--xs,
.title--xs:lang(en) {
  font-size: 30px !important;
}

html[lang="en"] .title--md,
.title--md:lang(en) {
  font-size: 36px !important;
}

html[lang="en"] .description--lg,
.description--lg:lang(en) {
  font-size: 16px !important;
  line-height: 1.7;
}

html[lang="en"] .description--md,
.description--md:lang(en) {
  font-size: 15px !important;
  line-height: 1.7;
}

/* 产品描述文本 */
html[lang="en"] .product-card__desc,
.product-card__desc:lang(en) {
  font-size: 13px !important;
  line-height: 1.5;
}

/* About section 具体段落 */
html[lang="en"] .about__description,
.about__description:lang(en) {
  font-size: 15px !important;
  line-height: 1.8;
}

/* 响应式调整 - 移动端 */
@media (max-width: 768px) {
  html[lang="en"] .about__title,
  .about__title:lang(en) {
    font-size: 22px !important;
  }

  html[lang="en"] .product-card__title,
  .product-card__title:lang(en) {
    font-size: 20px !important;
  }

  html[lang="en"] .hero-title,
  .hero-title:lang(en) {
    font-size: 36px !important;
  }

  html[lang="en"] .hero-subtitle,
  .hero-subtitle:lang(en) {
    font-size: 15px !important;
  }
}

@media (max-width: 480px) {
  html[lang="en"] .about__title,
  .about__title:lang(en) {
    font-size: 20px !important;
  }

  html[lang="en"] .product-card__title,
  .product-card__title:lang(en) {
    font-size: 18px !important;
  }

  html[lang="en"] .hero-title,
  .hero-title:lang(en) {
    font-size: 28px !important;
  }

  html[lang="en"] .hero-subtitle,
  .hero-subtitle:lang(en) {
    font-size: 14px !important;
  }
}