@charset "utf-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary: #23b17f;
  --primary-dark: #1a9666;
  --primary-light: #e1f8ef;
  --primary-soft: rgba(35, 177, 127, 0.08);
  --gray-50: #f9fbfd;
  --gray-100: #f0f4f9;
  --gray-200: #e6edf4;
  --gray-300: #d0dbe8;
  --gray-600: #5b6e8c;
  --gray-700: #2c3e50;
  --gray-800: #1e2f3f;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 25px -8px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: all 0.4s cubic-bezier(0.2, 0.95, 0.4, 1);
}
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background: #efefef;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
}
a{
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}

/* ====== Locomotive Scroll 所需样式 ====== */
html.has-scroll-smooth {
  overflow: hidden;
}
.width{
  max-width: 1690px;
  margin: 0 auto;
}
.main-content-padding {
  padding-top: 82px;
}
.has-scroll-smooth body {
  overflow: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #22b27f;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #1a9666;
}
.wrapper{
  margin: 0 auto;
  background: #FFF;
}
/* ========== 原有背景图容器 ========== */
.bg-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

/* ========== 顶部视频区域样式 ========== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 30px;
  z-index: 1000;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 28px;
}

.menu-btn {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  transition: opacity 0.2s;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  transition: color 0.2s ease;
  opacity: 0;
  transform: translateX(-20px);
  animation: navLinkFadeIn 2s ease forwards;
}

.nav-links a:nth-child(1) { animation-delay: 0.1s; }
.nav-links a:nth-child(2) { animation-delay: 0.2s; }
.nav-links a:nth-child(3) { animation-delay: 0.3s; }
.nav-links a:nth-child(4) { animation-delay: 0.4s; }
.nav-links a:nth-child(5) { animation-delay: 0.5s; }

.nav-links a:hover {
  color: #22b27f;
}

@keyframes navLinkFadeIn {
  from {
      opacity: 0;
      transform: translateX(-20px);
  }
  to {
      opacity: 1;
      transform: translateX(0);
  }
}
.menu-btn:hover {
  color: #22b27f;
  opacity: 1;
}

.logo {
  position: absolute;
  left: 50%;
  top:50%;
  transform:translate(-50%,-50%);
}
.logo img {
  display: block;
  height: 60px;
}

.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 50px;
  padding: 12px 24px;
  width: 480px;
}
.search-box input {
  border: none;
  outline: none;
  font-size: 16px;
  width: 100%;
  background: transparent;
  user-select: text;
  -webkit-user-select: text;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
}

.search-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  stroke: #22b27f;
  color: #22b27f;
  cursor: pointer;
}

/* 视频区域 */
.hero {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-left: 50px;
  z-index: 1;
}
.hero-video-wrap {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -2;
}
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  /* 默认全部隐藏 */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
}
/* 只有active视频显示 */
.hero-video.active {
  opacity: 1;
  visibility: visible;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  z-index: -1;
}

.hero-text {
  color: #03dd90;
  max-width: 800px;
  position: relative;
  z-index: 1;
}
.hero-text h1 {
  font-size: 84px;
  font-weight: 700;
  line-height: 1.1;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  letter-spacing: -0.02em;
}

.carousel-indicators {
  position: absolute;
  bottom: 30px;
  left: 50px;
  display: flex;
  gap: 8px;
  z-index: 1;
}
.carousel-indicators span {
  width: 40px;
  height: 3px;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.2s;
}
.carousel-indicators span.active {
  background: #fff;
}

.carousel-controls {
  position: absolute;
  bottom: 30px;
  right: 50px;
  display: flex;
  gap: 16px;
  z-index: 1;
}
.carousel-controls button {
  background: rgba(34, 178, 127, 0.8);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-controls button:hover {
  background: #22b27f;
  transform: scale(1.05);
}

@media (max-width: 1720px) {
  .site-wrapper{
    padding: 0 2%;
  }
}
@media (min-width:993px) and (max-width: 1500px) {
  header{
    height: 82px;
  }
  .logo {
    left: auto;
    right: 30px;
    transform:translate(0,-50%);
  }
  .search-box{
    display: none;
  }
}
@media (max-width: 992px) {
  .nav-links { display: none; }
  .search-box { width: 220px; }
  .hero-text h1 { font-size: 42px; line-height: 1.2; }
  .carousel-controls button {
      width: 38px;
      height: 38px;
      font-size: 18px;
  }
}

@media (max-width: 768px) {
  .hero-text h1 { font-size: 36px; }
  .hero { padding-left: 20px; }
  .carousel-indicators { left: 20px; bottom: 20px; }
  .carousel-controls { right: 20px; bottom: 20px; gap: 12px; }
  .carousel-controls button { width: 34px; height: 34px; font-size: 16px; }
}
.breadcrumb-area { padding: 20px 0 0 0;}
.breadcrumb {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--gray-600);
}
.breadcrumb a { color: var(--gray-600); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span:after{
  content: '/';
}
.breadcrumb font { color: var(--primary); font-weight: 600; }
/* 手机端菜单切换按钮：默认隐藏，手机端显示 */
.menu-toggle {
  display: none;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
  align-items: center;
  gap: 8px;
}
.menu-toggle i { font-size: 20px; }
.menu-toggle:hover { color: #22b27f; }

/* ===== 响应式：手机端隐藏 Products 按钮，显示 Menu 按钮，隐藏搜索框 ===== */
@media (max-width: 992px) {
.main-content-padding {
  padding-top: 57px;
}
  .menu-btn { display: none; }
  .menu-toggle { display: flex; }
  .nav-links { display: none; }
  .search-box { display: none; }  /* 手机端隐藏搜索框 */
}
@media (max-width: 768px) {
.main-content-padding {
  padding-top: 51px;
}
  header {padding: 13px 16px;}
  .logo img{ height: 30px; }
  .menu-toggle { font-size: 13px; }
  .menu-toggle i { font-size: 24px; }
}
/* ========== 页尾样式 ========== */
.demo-content {
  text-align: center;
  padding: 5% 3% 4%;
  background-color: #f2f4f6;
  margin-top: 5%;
}
.demo-content h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #1e2a3e;
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}
.demo-content p {
  max-width: 700px;
  margin: 0 auto;
  color: #2c3e50;
  font-size: 1.1rem;
  font-weight: 400;
}

.skybuild-footer {
  background-color: #f8f9fa;
  color: #2c3e50;
  padding: 5% 3%;
  border-top: 1px solid #e9ecef;
}

.footer-container {
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2%;
  padding: 0 8px;
}

.office-card {
  background: #ffffff;
  border-radius: 28px;
  padding: 28px 28px 32px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #eef2f6;
  box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.02);
}
.office-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 32px -16px rgba(34, 178, 127, 0.2);
  border-color: #22b27f;
}

.region-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  border-left: 5px solid #22b27f;
  padding-left: 20px;
}
.region-icon {
  font-size: 2rem;
  width: 48px;
  text-align: center;
  color: #22b27f;
}
.region-title h3 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #111827;
  margin: 0;
  line-height: 1.25;
}
.region-sub {
  font-size: 0.8rem;
  font-weight: 700;
  display: block;
  color: #22b27f;
  margin-top: 5px;
  letter-spacing: 0.3px;
}

.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 18px;
  line-height: 1.45;
  color: #2c3f55;
  font-size: 0.92rem;
  font-weight: 400;
}
.contact-icon {
  width: 28px;
  font-size: 1.2rem;
  text-align: center;
  margin-top: 3px;
  color: #22b27f;
}
.contact-text {
  flex: 1;
  color: #1f2f3e;
}
.contact-text a {
  color: #1f5e48;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(34, 178, 127, 0.35);
  transition: color 0.2s, border-bottom-color 0.2s;
}
.contact-text a:hover {
  color: #22b27f;
  border-bottom-color: #22b27f;
}
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 40px;
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  color: var(--gray-600);
}
.no-results i { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }

.business-hours {
  margin-top: 24px;
  background: #f0fbf7;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  border: 1px solid #d4f0e6;
}
.business-hours i {
  font-size: 1.2rem;
  color: #22b27f;
  width: 28px;
}
.hours-text {
  flex: 1;
  font-weight: 500;
  color: #1a5240;
}
.hours-text strong {
  font-weight: 800;
  color: #000000;
}

.footer-copyright-wrapper {
  width: 100%;
  background-color: #0a0a0a;
  border-top: 3px solid #22b27f;
  overflow: hidden;
}
.footer-copyright-black {
  background-color: #0a0a0a;
  padding: 36px 24px 42px;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
}
.copyright-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.social-links {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}
.social-links a {
  color: #e2e8f0;
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #181e24;
  transition: all 0.25s ease;
  text-decoration: none;
  border: 1px solid #2c353e;
}
.social-links a:hover {
  color: #000000;
  background-color: #22b27f;
  border-color: #22b27f;
  transform: translateY(-4px);
}
.social-links a i {



  font-size: 1.5rem;
  line-height: 1;
}
.copyright-text {
  font-size: 0.85rem;
  color: #9ca3af;
  text-align: center;
  line-height: 1.65;
  font-weight: 400;
}
.copyright-text i {
  color: #22b27f;
  margin-right: 6px;
}
.tech-support {
  font-size: 0.8rem;
  color: #9ca3af;
  text-align: center;
  background: #121518;
  padding: 8px 24px;
  border-radius: 60px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(2px);
  font-weight: 500;
}
.tech-support i {
  color: #22b27f;
  font-size: 0.85rem;
}
.tech-support a {
  color: #22b27f;
  text-decoration: none;
  font-weight: 700;
  transition: color 0.2s;
}
.tech-support a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.legal-links {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.legal-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legal-links a i {
  font-size: 0.7rem;
  color: #22b27f;
}
.legal-links a:hover {
  color: #22b27f;
}

@media (max-width: 780px) {
  .office-card {
      padding: 24px;
  }
  .region-title h3 {
      font-size: 1.4rem;
  }
  .social-links {
      gap: 24px;
  }
  .social-links a {
      width: 44px;
      height: 44px;
      font-size: 1.35rem;
  }
  .legal-links {
      gap: 26px;
  }
}
@media (max-width: 560px) {
  .contact-details li {
      gap: 12px;
  }
  .social-links {
      gap: 18px;
  }
  .tech-support {
      font-size: 0.7rem;
      padding: 6px 16px;
  }
  .footer-copyright-black {
      padding: 28px 16px 32px;
  }
}

/* ============================================================ */
/* 中间内容模块样式                                               */
/* ============================================================ */

/* ---------- 1. 顶部6格产品分类（鼠标经过图片放大） ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: #e0e0e0;
  margin-top: 40px;
}
.category-item {
  position: relative;
  height: 500px;
  overflow: hidden;
  cursor: pointer;
  display: block;
}
.category-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.95, 0.4, 1);
}
/* 鼠标经过图片放大效果 */
.category-item:hover img {
  transform: scale(1.08);
}
.category-item .title {
  position: absolute;
  top: 16px;
  left: 16px;
  color: #fff;
  font-size: 36px;
  font-weight: 600;
  background: transparent;
  padding: 4px 10px;
  display: inline-block;
  transition: color 0.3s ease;
  z-index: 2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.category-item .title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: #22b27f;
  transition: width 0.4s ease;
}
.category-item:hover .title {
  color: #22b27f;
}
.category-item:hover .title::after {
  width: 100%;
}

/* ---------- 2. 品牌介绍区块 ---------- */
.brand-section {
  padding: 120px 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}
.brand-left1 h1 {
  font-size: 80px;
  line-height: 1;
  margin-bottom: 20px;
}
.brand-left h1 {
  font-size: 60px;
  line-height: 1;
  margin-bottom: 40px;
  font-weight: 700;
}
.btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid #22b27f;
  border-radius: 60px;
  background: transparent;
  color: #22b27f;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}
.btn-arrow .arrow-icon {
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.btn-arrow .arrow-text {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.btn-arrow:hover {
  background: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.35);
}
.btn-arrow:hover .arrow-icon {
  transform: translateX(6px);
}
.btn-arrow:hover .arrow-text {
  transform: translateX(-4px);
}
.btn-arrow-white {
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}
.btn-arrow-white:hover {
  background: #22b27f;
  border-color: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.4);
}
.btn-arrow-dark {
  border-color: #222;
  color: #222;
}
.btn-arrow-dark:hover {
  background: #22b27f;
  border-color: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.35);
}
.brand-left a {
  border: 2px solid #22b27f;
  background: transparent;
  padding: 14px 32px;
  cursor: pointer;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 60px;
  color: #22b27f;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-left a .arrow-icon {
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.brand-left a .arrow-text {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.brand-left a:hover {
  background: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.35);
}
.brand-left a:hover .arrow-icon {
  transform: translateX(6px);
}
.brand-left a:hover .arrow-text {
  transform: translateX(-4px);
}

.brand-right .sub-title {
  color: #999;
  text-align: right;
  margin-bottom: 20px;
  font-size: 36px;
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  font-style: italic;
}
.brand-logos {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.brand-logos img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 3. H800 项目案例大图（动感慢慢放大） ---------- */
.project-banner-h800 {
  width: 100%;
  height: 800px;
  position: relative;
  overflow: hidden;
  background: #1a1a1a;
}
.project-banner-h800 .case-module {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.project-banner-h800 .showcase {
  position: relative;
  width: 100%;
  height: 100%;
}
.project-banner-h800 .showcase-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.88);
  opacity: 0;
  transition: opacity 0.7s ease-in-out;
  /* ====== 缓慢放大动画 ====== */
  animation: slowZoom 12s ease-in-out infinite alternate;
  animation-play-state: paused;
}
.project-banner-h800 .showcase-bg.active {
  opacity: 1;
  animation-play-state: running;
}
@keyframes slowZoom {
  0% {
      transform: scale(1);
  }
  100% {
      transform: scale(1.08);
  }
}
.project-banner-h800 .soft-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(105deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
  z-index: 1;
}
.project-banner-h800 .title-area {
  position: absolute;
  top: 3.5rem;
  left: 40px;
  z-index: 10;
  color: white;
  max-width: 560px;
  transition: opacity 0.6s ease;
}
.project-banner-h800 .title-area.fade-out {
  opacity: 0;
}
.project-banner-h800 .eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.5rem;
  font-family: 'Roboto', sans-serif;
}
.project-banner-h800 .main-title {
  font-size: 3.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
  font-family: 'Roboto', sans-serif;
}
.project-banner-h800 .sub-location {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(5px);
  padding: 0.2rem 0.9rem;
  border-radius: 40px;
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
}
.project-banner-h800 .brief-desc {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 420px;
  margin-top: 1rem;
  line-height: 1.45;
  font-weight: 400;
  font-family: 'Roboto', sans-serif;
  backdrop-filter: blur(2px);
}
.project-banner-h800 .controls-area {
  position: absolute;
  bottom: 1.8rem;
  right: 40px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: rgba(20, 20, 25, 0.55);
  backdrop-filter: blur(20px);
  border-radius: 56px;
  border: 0.5px solid rgba(255, 255, 255, 0.2);
  padding: 0.25rem;
}
.project-banner-h800 .nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  border: none;
  font-family: 'Roboto', sans-serif;
}
.project-banner-h800 .nav-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}
.project-banner-h800 .counter {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.9);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  padding: 0 0.4rem;
  min-width: 56px;
  text-align: center;
  font-family: 'Roboto', monospace;
}
.project-banner-h800 .counter .current {
  font-size: 0.95rem;
  font-weight: 700;
}
.project-banner-h800 .counter .separator {
  margin: 0 2px;
  color: rgba(255, 255, 255, 0.4);
}
.project-banner-h800 .more-btn {
  background: transparent;
  border-left: 0.5px solid rgba(255, 255, 255, 0.25);
  margin-left: 0.2rem;
  height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: 'Roboto', sans-serif;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 60px;
  padding: 0 0.9rem 0 0.7rem;
}
.project-banner-h800 .more-btn i {
  font-size: 0.65rem;
  transition: transform 0.3s ease;
}
.project-banner-h800 .more-btn:hover {
  background: #22b27f;
  border-color: #22b27f;
  color: #fff;
  gap: 0.7rem;
}
.project-banner-h800 .more-btn:hover i {
  transform: translateX(3px);
}
.project-banner-h800 .dot-helper {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}
.project-banner-h800 .helper-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all 0.25s ease;
  cursor: pointer;
}
.project-banner-h800 .helper-dot.active {
  width: 24px;
  border-radius: 3px;
  background: white;
}

/* ---------- 4. 产品画册下载区 ---------- */
.catalogue-section {
  padding: 60px 30px;
}
.catalogue-section .box{
  margin: 0 76px;
  overflow: hidden;
}
.catalogue-section .top-label {
  font-size: 12px;
  color: #777;
  margin-bottom: 8px;
}
.catalogue-section h2 {
  font-size: 48px;
  margin-bottom: 40px;
}
.catalogue-wrap {
  overflow: hidden;
  position: relative;
}
.catalogue-container {
  display: flex;
  gap: 24px;
  transition: transform 0.4s ease-out;
  width: 100%;
}
.catalogue-item {
  position: relative;
  width: 545px;
  height: 735px;
  flex-shrink: 0;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: #f0f4f9;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.catalogue-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.95, 0.4, 1);
}
.catalogue-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}
.catalogue-item:hover img {
  transform: scale(1.04);
}
.catalogue-item .cover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(35, 177, 127, 0.92) 0%, rgba(26, 150, 102, 0.92) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  opacity: 0;
  transition: opacity 0.4s ease;
  backdrop-filter: blur(2px);
  border-radius: 16px;
}
.catalogue-item:hover .cover-overlay {
  opacity: 1;
}
.catalogue-item .download-icon-circle {
  width: 56px;
  height: 56px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.catalogue-item .download-icon-circle i {
  font-size: 1.5rem;
  color: #22b27f;
}
.catalogue-item:hover .download-icon-circle {
  transform: scale(1.1);
}
.catalogue-item .overlay-text {
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
}
.catalogue-item .download-btn-hidden {
  background: white;
  border: none;
  padding: 10px 28px;
  border-radius: 60px;
  font-weight: 700;
  font-size: 0.85rem;
  color: #22b27f;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.25s;
}
.catalogue-item .download-btn-hidden:hover {
  background: #1a9666;
  color: white;
  transform: scale(1.02);
}
.catalogue-item .card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 24px 22px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0) 100%);
  border-radius: 0 0 16px 16px;
  transition: all 0.3s ease;
  pointer-events: none;
}
.catalogue-item .card-category {
  display: inline-block;
  background: rgba(35, 177, 127, 0.9);
  padding: 4px 14px;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.catalogue-item .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.catalogue-item .card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.8);
}
.catalogue-item .card-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.catalogue-wrap .slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(50, 200, 120, 0.85);
  color: white;
  font-size: 18px;
  cursor: pointer;
  z-index: 5;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.catalogue-wrap .slide-btn i {
  transition: color 0.3s ease;
}
.catalogue-wrap .slide-btn:hover {
  background: #ffffff;
  color: #22b27f;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.35);
}
.catalogue-wrap .slide-btn:hover i {
  color: #22b27f;
}
.catalogue-wrap .slide-left {
  left: 16px;
}
.catalogue-wrap .slide-right {
  right: 16px;
}

/* ---------- 5. 定制照明方案大图（动感慢慢放大） ---------- */
.bespoke-banner {
  width: 100%;
  height: 800px;
  position: relative;
  overflow: hidden;
}
.bespoke-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* ====== 缓慢放大动画 ====== */
  animation: slowZoom 14s ease-in-out infinite alternate;
}
.bespoke-banner .bespoke-text {
  position: absolute;
  top: 60px;
  left: 40px;
  color: #fff;
  z-index: 2;
}
/* 遮罩层增强文字可读性 */
.bespoke-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.3) 100%);
  pointer-events: none;
  z-index: 1;
}
.bespoke-text {

  position: absolute;
  top: 60px;
  left: 40px;
  color: #fff;
  z-index: 2;
}
.bespoke-text .top-tag {
  font-size: 12px;
  opacity: 0.8;
}
.bespoke-text h2 {
  font-size: 60px;
  margin: 10px 0 14px;
  line-height: 1.1;
  max-width: 550px;
}
.bespoke-text p {
  margin-bottom: 30px;
  opacity: 0.9;
}
.bespoke-text a {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: #fff;
  background: transparent;
  padding: 14px 32px;
  cursor: pointer;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 60px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.bespoke-text a .arrow-icon {
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.bespoke-text a .arrow-text {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.bespoke-text a:hover {
  background: #22b27f;
  border-color: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.4);
}
.bespoke-text a:hover .arrow-icon {
  transform: translateX(6px);
}
.bespoke-text a:hover .arrow-text {
  transform: translateX(-4px);
}

/* ---------- 6. 新闻博客区块 ---------- */
.news-section {
  padding: 80px 40px;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: center;
}
.news-left .tag {
  font-size: 12px;
  color: #777;
  margin-bottom: 12px;
}
.news-left h3 {
  font-size: 42px;
  margin-bottom: 30px;
  line-height: 1.2;
  max-width: 580px;
}
.news-left a,
.news-left button {
  border: 2px solid #222;
  background: transparent;
  padding: 15px 30px;
  cursor: pointer;
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 60px;
  color: #222;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.news-left button .arrow-icon {
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.news-left button .arrow-text {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.news-left a:hover,
.news-left button:hover {
  background: #22b27f;
  border-color: #22b27f;
  color: #fff;
  box-shadow: 0 8px 24px rgba(34, 178, 127, 0.35);
}
.news-left button:hover .arrow-icon {
  transform: translateX(6px);
}
.news-left button:hover .arrow-text {
  transform: translateX(-4px);
}
.news-arrow {
  display: flex;
  gap: 10px;
  margin-top: 30px;
}
.news-arrow button {
  width: 70px;
  height: 40px;
  border: 1px solid #999;
  background: transparent;
  cursor: pointer;
}
.news-right img {
  width: 100%;
  height: 680px;
  object-fit: cover;
  border-radius: 20px;
}

/* ---------- 7. 订阅邮件区块 ---------- */
.subscribe-section {
  background: #f8f9fa;
  padding: 5% 4%;
  text-align: center;
  max-width: 1700px;
  margin: 0 auto;
  border-radius: 20px;
}
.subscribe-section h3 {
  font-size: 42px;
  color: #23a96c;
  margin-bottom: 10px;
}
.subscribe-section p {
  font-size: 20px;
  color: #555;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.subscribe-form {
  display: flex;
  justify-content: center;
  gap: 14px;
  align-items: center;
  flex-direction: column;
}
.subscribe-form input {
  padding: 15px 16px;
  width: 560px;
  border: 1px solid #ddd;
}
.subscribe-form button {
  background: #111;
  color: #fff;
  border: none;
  border-radius: 50px;
  width: 170px;
  height: 50px;
  cursor: pointer;
  margin-top: 1.5%;
}
.site-wrapper {
  max-width: 1680px;
  margin: 0 auto;
  background: white;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.02);
}
.columninfo {
    padding: 3% 0 3.5% 0;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 3.5%;
    position: relative;
}
.columninfo::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--primary);
    border-radius: 4px;
}
.columninfo h1 {
    font-size: 3.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #1A1A18 0%, #2c5a4a 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 16px;
}
.columninfo .cont{
    max-width: 800px;
}
.columninfo .cont,
.columninfo .cont *{
    font-size: 1.2rem;
    color: #5F5F59;
    line-height: 1.55;
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 5%;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-100);
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.filter-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-600);
  letter-spacing: 1px;
}
.filter-tabs{
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.category-btn {
  background: transparent;
  border: 1px solid var(--gray-200);
  padding: 8px 24px;
  border-radius: 60px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.25s;
}
.category-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.category-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.search-catalogue {
  display: flex;
  align-items: center;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 60px;
  padding: 6px 20px;
  gap: 10px;
  transition: all 0.2s;
}
.search-catalogue:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-soft);
}
.search-catalogue input {
  border: none;
  outline: none;
  padding: 8px 0;
  font-size: 0.85rem;
  width: 220px;
  background: transparent;
}
.search-catalogue i { color: var(--gray-600); }
.filter-stats {
  font-size: 0.85rem;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 6px 18px;
  border-radius: 60px;
}
/* ========== 分页 ========== */
.pagination {
  margin: 4% 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.pagination-btn {
  background: #FFFFFF;
  border: 1px solid #E3E0DA;
  padding: 10px 18px;
  border-radius: 40px;
  line-height: 30px;
  height: 30px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: #2A2A27;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pagination-btn:hover:not(:disabled) {
  background: #21b17e;
  border-color: #21b17e;
  color: white;
  transform: translateY(-2px);
}
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination-number {
  background: #FFFFFF;
  border: 1px solid #E3E0DA;
  padding: 10px 16px;
  border-radius: 40px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: #2A2A27;
  cursor: pointer;
  transition: all 0.25s;
  min-width: 44px;
  text-align: center;
}
.pagination-number:hover:not(.active) { background: #F5F5F2; border-color: #21b17e; }
.pagination-btn.active,.pagination-number.active { background: #21b17e; border-color: #21b17e; color: white; }
.page-info { font-size: 0.8rem; color: #8A8A82; margin-left: 16px; }
/* ========== 响应式 ========== */
@media (max-width: 1400px) {
  .catalogue-item { width: 420px; height: 566px; }
  .project-banner-h800 .title-area { left: 40px; }
  .project-banner-h800 .controls-area { right: 40px; }
}
@media (max-width: 1024px) {
  .project-banner-h800 .title-area { left: 40px; top: 2rem; }
  .project-banner-h800 .controls-area { right: 40px; }
  .project-banner-h800 .main-title { font-size: 2rem; }
  .project-banner-h800 .brief-desc { max-width: 340px; }
}
@media (max-width: 992px) {
  .nav-links { display: none; }
  .search-box { width: 220px; }
}
@media (max-width: 768px) {
  .footer-grid{
    display: block;
  }
  .footer-grid .office-card:nth-child(2){
    margin: 4% 0;
  }
  .columninfo h1{
    font-size: 2.4rem;
  }
  .hero-text h1 { font-size: 30px; }
  .hero { padding-left: 20px; }
  .carousel-indicators { left: 20px; bottom: 20px; }
  .carousel-controls { right: 20px; bottom: 20px; gap: 12px; }
  .carousel-controls button { width: 34px; height: 34px; font-size: 16px; }

  .brand-section {
      grid-template-columns: 1fr;
      padding: 40px 20px;
  }
  .brand-right .sub-title {
      text-align: left;
  }
  .brand-logos {
      justify-content: flex-start;
  }
  .brand-logos img {
      max-width: 100%;
  }
  .brand-left1 h1 { font-size: 48px; }
  .brand-left h1 { font-size: 32px; }

  .project-banner-h800 { height: 650px; }
  .project-banner-h800 .title-area { left: 24px; top: 1.2rem; right: 24px; max-width: calc(100% - 48px); }
  .project-banner-h800 .main-title { font-size: 1.6rem; }
  .project-banner-h800 .brief-desc { max-width: 100%; font-size: 0.75rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .project-banner-h800 .controls-area { right: 16px; bottom: 1rem; padding: 0.2rem; }
  .project-banner-h800 .nav-btn { width: 34px; height: 34px; font-size: 0.8rem; }
  .project-banner-h800 .counter { font-size: 0.7rem; min-width: 48px; }
  .project-banner-h800 .more-btn { padding: 0 0.5rem 0 0.4rem; font-size: 0.6rem; height: 34px; }
  .project-banner-h800 .more-btn span { display: inline-block; font-size: 0.65rem; }
  .project-banner-h800 .dot-helper { bottom: 1rem; }

  .bespoke-banner { height: 500px; }
  .bespoke-text h2 { font-size: 32px; }

  .news-section {
      grid-template-columns: 1fr;
      padding: 40px 20px;
  }
  .news-left h3 {
      font-size: 28px;
      max-width: 100%;
  }
  .news-right img {
      height: 320px;
  }

  .catalogue-section h2{
    font-size: 24px;
  }
  .category-item { height: 350px; }
  .category-item .title { font-size: 24px; }

  .catalogue-section { padding: 40px 20px; }
  .catalogue-item { width: 280px; height: 378px; }
  .catalogue-wrap { padding: 0 16px; gap: 16px; }
  .catalogue-wrap .slide-btn { width: 34px; height: 34px; font-size: 13px; }
  .catalogue-wrap .slide-left { left: 6px; }
  .catalogue-wrap .slide-right { right: 6px; }
  .subscribe-section h3 { font-size: 24px; }
  .subscribe-section p { font-size: 16px; }
  .subscribe-form input { width: 100%; max-width: 400px; }
}
@media (max-width: 640px) {
  .category-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .demo-content h1{
    font-size: 1.6rem;
  }
  .business-hours{
    gap: 5px;
  }
}
@media (max-width: 550px) {
  .category-item { height: 220px; }
  .category-item .title { font-size: 18px; left: 10px; top: 10px; }

  .brand-left1 h1 { font-size: 30px; }
  .brand-left h1 { font-size: 24px; }
  .brand-right .sub-title { font-size: 20px; }

  .project-banner-h800 .main-title { font-size: 1.2rem; }
  .project-banner-h800 .eyebrow { font-size: 0.55rem; letter-spacing: 0.2em; }
  .project-banner-h800 .more-btn span { display: none; }
  .project-banner-h800 .more-btn { padding: 0 0.5rem; }
  .project-banner-h800 .more-btn i { margin: 0; }
  .project-banner-h800 .brief-desc { display: none; }
  .project-banner-h800 .title-area { top: 0.8rem; }

  .bespoke-text h2 { font-size: 24px; }
  .bespoke-text { top: 30px; left: 20px; }

  .news-left h3 { font-size: 20px; }
  .news-right img { height: 200px; }
  .news-arrow button { width: 36px; height: 32px; }
  .catalogue-section .box{
    margin: 0 30px;
  }
  .catalogue-container{
    gap:14px;
  }
  .catalogue-item { width: 230px; height: 297px; }
  .catalogue-wrap { padding: 0 10px; gap: 12px; }
  .catalogue-wrap .slide-btn { width: 28px; height: 28px; font-size: 11px; }
  .catalogue-wrap .slide-left { left: 4px; }
  .catalogue-wrap .slide-right { right: 4px; }
  .catalogue-wrap .slide-btn:hover {
    box-shadow: 0 2px 2px rgba(34, 178, 127, 0.35);
  }
  .catalogue-item .card-info { padding: 16px 16px 14px; }
  .catalogue-item .card-category { font-size: 0.6rem; padding: 3px 10px; margin-bottom: 8px; }
  .catalogue-item .card-title { font-size: 0.85rem; margin-bottom: 6px; }
  .catalogue-item .card-meta { font-size: 0.6rem; gap: 10px; }
  .catalogue-item .download-icon-circle { width: 40px; height: 40px; }
  .catalogue-item .download-icon-circle i { font-size: 1.1rem; }
  .catalogue-item .overlay-text { font-size: 0.7rem; }
  .catalogue-item .download-btn-hidden { padding: 6px 18px; font-size: 0.7rem; gap: 6px; }
}
@media (min-width: 1600px) {
  .project-banner-h800 .title-area { left: 40px; }
  .project-banner-h800 .controls-area { right: 40px; }
}