/* ========================================
   home.css - 首页样式
   ======================================== */

/* ---------- Hero Carousel ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 1;
  transition: opacity 2.4s ease;
}

.hero-slide.active {
  opacity: 1;
  z-index: 2;
}

/* 幻灯片背景（图片/视频） */
.hero-slide-bg {
  position: absolute;
  inset: 0;
  /* 默认深色背景，防止白屏闪现 */
  background: #0a1628;
}

.hero-slide-bg img,
.hero-slide-bg video,
.hero-slide-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  /* 默认隐藏，等待loaded类或src属性 */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* 图片加载完成后显示：有loaded类 或 有非空src */
.hero-slide-bg img.loaded,
.hero-slide-bg video.loaded,
.hero-slide-bg img[src]:not([src=""]),
.hero-slide-bg video[src]:not([src=""]) {
  opacity: 1 !important;
  visibility: visible !important;
}

.hero-slide-bg-video {
  position: absolute;
  inset: 0;
}

/* 视频撑满全屏 - 统一使用cover模式 */
.hero-video-portrait,
.hero-video-desktop,
.hero-video-mobile {
  object-fit: cover !important;
  object-position: center center !important;
}

/* 桌面端视频默认显示，移动端隐藏 */
.hero-video-desktop { display: block; }
.hero-video-mobile { display: none; }

/* 移动端图片默认隐藏 */
.hero-img-mobile { display: none; }
.hero-img-desktop { display: block; }

/* 移动端适配 */
@media (max-width: 768px) {
  .hero-img-mobile { display: block; }
  .hero-img-desktop { display: none; }
  .hero-video-mobile { display: block; }
  .hero-video-desktop { display: none; }
}

.hero-slide .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.78) 0%, rgba(0,60,120,0.45) 100%);
  pointer-events: none;
}

/* 粒子背景 */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(0,200,83,0.5);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ---------- 幻灯片文字内容 ---------- */
.hero-slide-content {
  position: absolute;
  z-index: 10;
  color: #fff;
  max-width: 600px;
  width: calc(100% - 32px);
  opacity: 0;
  transition: opacity 2s ease 1.5s;
  box-sizing: border-box;
}

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

/* 四种内容定位（纯opacity淡入，无位移偏移） */
.hero-content--left-center {
  left: 8%;
  top: 58%;
  transform: translateY(-50%);
  text-align: left;
}

.hero-content--right {
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  text-align: left;
}

.hero-content--center {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  max-width: 700px;
  width: calc(100% - 32px);
}

/* 标签（已隐藏） */
.hero-tag {
  display: none;
}

/* 标题 */
.hero-title {
  font-size: clamp(14px, 4.5vw, 23px);
  font-weight: 600;
  color: white;
  line-height: 1.2;
  margin: 0 0 18px 0;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  letter-spacing: 2px;
  transition: text-shadow 0.35s, letter-spacing 0.35s, transform 0.35s;
  cursor: default;
}

.hero-title:hover {
  text-shadow: 0 0 24px rgba(126, 182, 59, 0.75), 0 4px 16px rgba(0,0,0,0.4);
  letter-spacing: 4px;
  transform: translateX(4px);
}

.hero-title .title-line1 {
  color: #fff;
}

.hero-title .title-line2 {
  background: linear-gradient(135deg, var(--secondary), #69F0AE);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 标题换行符在单行模式下隐藏 */
.hero-title br {
  display: none;
}

/* 描述 */
.hero-desc {
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 1.8;
  margin: 0 0 28px 0;
  color: rgba(255,255,255,0.88);
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
  max-width: 480px;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  background: transparent;
  color: rgba(255,255,255,0.75);
  font-size: clamp(14px, 1.2vw, 16px);
  font-weight: 500;
  border: none;
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.3s;
}

.hero-btn-arrow {
  display: inline-block;
  animation: heroArrowBounce 1.8s ease-in-out infinite;
}

@keyframes heroArrowBounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

.hero-btn:hover {
  color: #7eb63b;
  text-decoration: none;
}

.hero-btn:hover .hero-btn-arrow {
  animation: heroArrowBounceFast 0.45s ease-in-out infinite;
}

@keyframes heroArrowBounceFast {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(9px); }
}

/* ---------- 进度条指引 ---------- */
.hero-progress {
  position: absolute;
  bottom: 0px;
  left: 8%;
  display: flex;
  gap: 20px;
  z-index: 20;
  align-items: center;
}

.hero-progress-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.hero-progress-item.active,
.hero-progress-item:hover {
  opacity: 1;
}

.hero-progress-num {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  font-weight: 700;
  font-family: var(--font-en);
  min-width: 20px;
}

.hero-progress-item.active .hero-progress-num {
  color: #fff;
}

.hero-progress-bar {
  width: 60px;
  height: 3px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  overflow: hidden;
}

.hero-progress-fill {
  width: 0;
  height: 100%;
  background: #7eb63b;
  border-radius: 2px;
}

.hero-progress-item.active .hero-progress-fill {
  animation: progressFill 5s linear forwards;
}

.hero-progress-item.done .hero-progress-fill {
  width: 100%;
}

@keyframes progressFill {
  from { width: 0; }
  to { width: 100%; }
}

/* ---------- 左右箭头 ---------- */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 18px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
  outline: none;
  backdrop-filter: blur(4px);
}

.hero-arrow:hover {
  background: rgba(126, 182, 59, 0.7);
  border-color: #7eb63b;
  transform: translateY(-50%) scale(1.08);
}

.hero-arrow--prev {
  left: 24px;
}

.hero-arrow--next {
  right: 24px;
}

/* Hero滚动提示 */
.hero-scroll {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  animation: bounce 2s infinite;
}

.hero-scroll-icon {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-icon::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

/* ---------- 核心优势 ---------- */
.advantages {
  padding: 78px 0 0;
  background: var(--bg-white);
}

/* 5个感应区布局 - 全屏显示减去导航栏高度 */
.advantage-zones {
  display: flex;
  width: 100%;
  height: calc(100vh - 80px);
  position: relative;
}

/* 共享背景容器 */
.zones-bg-container {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.zones-bg-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.zones-bg-item.active {
  opacity: 1;
}

.zones-bg-img,
.zones-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 背景遮罩 */
.zones-bg-container::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.3) 0%, rgba(10,22,40,0.7) 100%);
  z-index: 2;
  transition: background 0.4s ease;
}

.advantage-zones.video-active .zones-bg-container::after {
  background: rgba(10,22,40,0.1);
}

.advantage-zone {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 3;
}

/* 卡片背景图：仅移动端显示，桌面端隐藏 */
.zones-bg-card {
  display: none;
}

/* 悬停时展开60%，其他4个各占10% */
.advantage-zones:has(.advantage-zone:hover) .advantage-zone {
  flex: 0.1;
}

.advantage-zones:has(.advantage-zone:hover) .advantage-zone:hover {
  flex: 0.6;
}

/* 分割线 */
.zone-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.2);
  z-index: 4;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.zone-divider--left {
  left: 0;
}

.zone-divider--right {
  right: 0;
}

.advantage-zone:hover .zone-divider--left {
  transform: translateX(-30px);
}

.advantage-zone:hover .zone-divider--right {
  transform: translateX(30px);
}

/* 内容区域 - 靠左显示，高度40% */
.zone-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  padding: 30px 30px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.zone-title {
  font-size: 24px;
  font-weight: 800;
  color: #7eb63b;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  letter-spacing: 1px;
}

.zone-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.15s, transform 0.6s ease 0.15s;
  max-width: 320px;
  margin-bottom: 16px;
}

.advantage-zone:hover .zone-title,
.advantage-zone:hover .zone-desc {
  opacity: 1;
  transform: translateY(0);
}

/* 按钮样式 */
.zone-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: transparent;
  border: 2px solid #7eb63b;
  color: #7eb63b;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
  width: fit-content;
  letter-spacing: 0.5px;
}

.zone-btn:hover {
  background: #7eb63b;
  color: #fff;
  box-shadow: 0 4px 20px rgba(126,182,59,0.4);
  transform: translateY(0) scale(1.05);
}

.advantage-zone:hover .zone-btn {
  opacity: 1;
  transform: translateY(0);
}

/* 视频区域特殊样式 */
.zone-video-controls {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  display: flex;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.advantage-zone--video:hover .zone-video-controls {
  opacity: 1;
}

.video-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.video-btn:hover {
  background: rgba(126,182,59,0.8);
  border-color: var(--primary);
  transform: scale(1.1);
}

.zone-content--video .zone-title,
.zone-content--video .zone-desc {
  transition: opacity 0.3s ease;
}

/* 防抖优化：使用 CSS transition 代替 JS 动画 */
.advantage-zone,
.zone-divider,
.zone-title,
.zone-desc,
.zone-btn,
.zones-bg-item {
  will-change: transform, opacity;
}

/* ---------- 案例轮播 - PC端滑动，移动端淡入淡出 ---------- */
.cases-section {
  padding: clamp(60px, 8vw, 68px) 0;
  background: #aaaaaa1a;
}

/* 案例板块标题布局：标题靠左，按钮右上角 */
.cases-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  margin-bottom: 26px;
}

.cases-header-left {
  flex: 1;
}

.cases-header-left .section-subtitle {
  margin: 0;
}

.cases-header-btn {
  flex-shrink: 0;
  margin-left: 24px;
}

.cases-header-btn .btn-outline {
  padding: 8px 20px;
  font-size: 14px;
  white-space: nowrap;
}

/* 手机端查看全部案例按钮 */
.cases-mobile-btn {
  display: none;
  text-align: center;
  margin-top: 20px;
}

.cases-slider {
  position: relative;
  overflow: hidden;
  margin-top: 40px;
}

.cases-track {
  display: flex;
  transition: transform 0.5s ease;
  width: 100%;
}

.case-slide {
  flex: 0 0 calc(33.333% - 20px);
  width: calc(33.333% - 20px);
  margin: 0 10px;
  flex-shrink: 0;
}

/* 移动端：所有卡片在同一位置淡入淡出 */
@media (max-width: 768px) {
  .cases-slider {
    overflow: hidden;
    position: relative;
  }
  
  .cases-track {
    position: relative;
    min-height: 350px;
  }
  
  .case-slide {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    flex: none;
    opacity: 0;
    transition: opacity 1.2s ease;
    pointer-events: none;
  }
  
  .case-slide.mobile-fade-in {
    opacity: 1;
    pointer-events: auto;
    position: relative;
    transform: none;
    left: auto;
  }
  
  .case-slide.mobile-fade-out {
    opacity: 0;
    height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
  }
}

.case-card {
  border-radius: 16px;
  overflow: hidden;
  background: white;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #f0f0f0;
}

.case-card:hover {
  box-shadow: 0 16px 40px rgba(126,182,59,0.15);
  transform: translateY(-8px);
  border-color: rgba(126,182,59,0.2);
}

.case-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

.case-card:hover .case-card-img img {
  transform: scale(1.08);
}

.case-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 14px;
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
}

.case-card-body {
  padding: 24px;
}

.case-card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.case-card-info {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}

.case-card-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.case-data-item {
  text-align: center;
  min-width: 0;
}

.case-data-value {
  font-size: clamp(13px, 1.2vw, 18px);
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-en);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.case-data-label {
  font-size: 11px;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

/* 案例轮播控制 */
.cases-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 20px;
}

.cases-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.cases-arrow:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(126,182,59,0.05);
}

.cases-dots {
  display: flex;
  gap: 8px;
}

.cases-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.cases-dot.active {
  background: var(--primary);
  width: 30px;
  border-radius: 5px;
}

/* ---------- 新闻入口 ---------- */
.news-section {
  padding: clamp(60px, 8vw, 120px) 0;
  background: var(--bg-light);
}

/* 新闻标题行：桌面端左对齐，按钮右上角 */
.news-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  margin-bottom: 26px;
}

.news-header-left {
  flex: 1;
}

.news-header-left .section-subtitle {
  margin: 0;
}

.news-header-btn {
  display: block;
  flex-shrink: 0;
  margin-left: 24px;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  max-width: 100%;
  box-sizing: border-box;
}

.news-featured {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  min-height: 420px;
}

.news-featured img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,22,40,0.9) 100%);
}

.news-featured-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
}

.news-featured-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 12px;
}

.news-featured-title {
  font-size: 22px;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-featured-date {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: white;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.news-item-img {
  width: 120px;
  height: 90px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.news-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-item-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 6px;
}

.news-more {
  text-align: center;
  margin-top: 40px;
}

/* 新闻底部按钮（仅移动端显示） */
.news-section-mobile-btn {
  display: none;
}

.news-section-mobile-btn .btn {
  min-width: 200px;
}

/* ---------- 服务流程 ---------- */
.process-section {
  padding: clamp(60px, 8vw, 120px) 0;
  background: #fff;
}

.process-timeline {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 45px;
  margin-bottom: 60px;
}

.process-item {
  flex: 0 0 285px;
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 30px 16px;
  margin: 0 8px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #f0f0f0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  text-align: left;
}

.process-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(126,182,59,0.18);
  border-color: rgba(126,182,59,0.3);
  background: linear-gradient(180deg, #fff 0%, rgba(126,182,59,0.03) 100%);
}

.process-item:hover .process-step {
  display: none;
}

.process-item:hover .process-icon {
  transform: scale(1.15);
}

.process-item:hover .process-title {
  color: var(--primary);
}

.process-step {
  display: none;
}

.process-icon {
  font-size: 36px;
  flex-shrink: 0;
  width: 52px;
  text-align: center;
  margin-bottom: 0;
  transition: transform 0.3s ease;
}

.process-body {
  flex: 1;
  min-width: 0;
}

.process-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.process-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 0;
}

.process-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(126,182,59,0.3));
  margin-top: 60px;
  position: relative;
  flex-shrink: 0;
}

.process-connector::after {
  content: '';
  position: absolute;
  right: -4px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
  transform: rotate(45deg);
}

.process-investment {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.process-investment h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 30px;
}

.investment-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.investment-item {
  background: white;
  border-radius: 16px;
  padding: 30px 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.investment-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.investment-item:hover {
  border-color: rgba(126,182,59,0.25);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(126,182,59,0.15);
}

.investment-item:hover::before {
  transform: scaleX(1);
}

.investment-item:hover .investment-icon {
  transform: scale(1.2);
}

.investment-icon {
  font-size: 32px;
  margin-bottom: 14px;
  transition: transform 0.3s ease;
}

.investment-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.investment-item:hover h4 {
  color: var(--primary);
}

.investment-item p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 合作伙伴 ---------- */
.partners-section {
  padding: clamp(60px, 8vw, 120px) 0;
  background: var(--bg-light);
}

.partners-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.partners-tab {
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
}

.partners-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.partners-tab:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

.partners-content {
  position: relative;
}

.partners-panel {
  display: none;
}

.partners-panel.active {
  display: block;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.partner-item {
  background: white;
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.partner-item:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(126,182,59,0.1);
}

.partner-logo {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-light);
  border-radius: 6px;
}

.partner-item span {
  font-size: 12px;
  color: var(--text-light);
}

/* ---------- 资质认证 ---------- */
.certifications-section {
  padding: clamp(60px, 8vw, 120px) 0;
  background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition);
}

.cert-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(126,182,59,0.3);
  transform: translateY(-4px);
}

.cert-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.cert-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}

.cert-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ---------- CTA ---------- */
.cta-section {
  padding: clamp(60px, 8vw, 120px) 0;
  background: linear-gradient(135deg, var(--primary) 0%, #003D7A 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0,200,83,0.15), transparent 60%);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: 38px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .advantage-zones { height: calc(100vh - 80px); }
  .zone-content { padding: 24px 16px; }
  .zone-title { font-size: 16px; }
  .zone-desc { font-size: 13px; }
  .investment-options { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .hero-content--right { right: 6%; }
  .hero-arrow { width: 40px; height: 40px; font-size: 16px; }
  .hero-progress-bar { width: 48px; }
  .advantage-zones { height: calc(100vh - 80px); }
  .zone-content { padding: 20px 12px; }
  .zone-title { font-size: 15px; margin-bottom: 8px; }
  .zone-desc { font-size: 12px; line-height: 1.6; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  /* 平板端显示2张完整卡片 */
  .solutions-slider-track .solution-card {
    flex: 0 0 calc((100% - 16px) / 2);
    min-width: calc((100% - 16px) / 2);
    margin-right: 16px;
  }
  .solutions-slider-overflow { margin: 0; }
  .solutions-nav-btn { width: 36px; height: 36px; }
    .case-slide { min-width: calc(50% - 20px); }
  .news-grid { grid-template-columns: 1fr; }
  .news-featured { min-height: 300px; }
  .process-timeline { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .process-connector { display: none; }
  .process-item { flex: 0 0 45%; margin: 8px; }
}

@media (max-width: 768px) {
  .hero { min-height: 100vh; width: 100%; overflow: clip; }
  .hero-slide-content { max-width: calc(100% - 24px) !important; width: calc(100% - 24px) !important; }
  .hero-content--left-center { left: 12px; }
  .hero-content--right { right: auto; left: 12px; }
  .hero-arrow { width: 36px; height: 36px; font-size: 14px; }
  .hero-arrow--prev { left: 12px; }
  .hero-arrow--next { right: 12px; }
  .hero-progress { bottom: 10px; left: 12px; gap: 12px; }
  .hero-progress-bar { width: 36px; }
  .hero-progress-num { font-size: 11px; }
  .advantages {
    padding: 0px 10px 0 10px;}
  .solutions-overview {
    padding: clamp(20px, 8vw, 120px) 0;}
  .cases-section {
    padding: clamp(20px, 8vw, 68px) 0;
    background: #aaaaaa1a;}
  /* 移动端图片切换 */
  .hero-img-desktop { display: none; }
  .hero-img-mobile { display: block; }
  /* 数据展示区域降低高度30%并添加网格线 */
  .hero-scroll { display: none; }
  .advantage-zones {
    position: relative;
    height: auto;
    flex-direction: column;
    align-items: center;
    background: none;
    gap: 0;
    padding: 0;
  }
  /* 移动端：只有active的显示，其余隐藏 */
  .advantage-zone {
    position: relative;
    inset: unset;
    flex: none;
    width: 98%;
    margin: 10px auto 0;
    height: auto;
    opacity: 1;
    display: none;
    border-bottom: none;
    cursor: pointer;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    background: #000;
  }
  .advantage-zone.mobile-active {
    display: block;
  }
  /* 移动端不需要hover展开逻辑 */
  .advantage-zones:has(.advantage-zone:hover) .advantage-zone,
  .advantage-zones:has(.advantage-zone:hover) .advantage-zone:hover {
    flex: none;
    height: auto;
    min-height: unset;
  }
  .zone-divider--left,
  .zone-divider--right {
    display: none;
  }
  /* 卡片图/视频铺满，16:9 */
  .advantage-zone .zones-bg-card {
    display: block;
    width: 100%;
    height: 0;
    padding-bottom: 73.125%;
    position: relative;
    overflow: hidden;
    border-radius: 0;
  }
  .advantage-zone .zones-bg-card img,
  .advantage-zone .zones-bg-card video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  /* 内容叠在图片内，底部渐变遮罩 */
  .zone-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 18px 18px;
    background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.3) 70%, transparent 100%);
    height: auto;
    z-index: 2;
  }
  .zone-title {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    opacity: 1;
    transform: none;
    transition: none;
    margin-bottom: 6px;
  }
  .zone-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.85);
    opacity: 1;
    transform: none;
    transition: none;
    max-width: 100%;
    margin-bottom: 10px;
    line-height: 1.5;
  }
  /* 去掉按钮样式，改为纯文字+动态箭头 */
  .zone-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    padding: 0;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    opacity: 1;
    transform: none;
    transition: none;
    text-decoration: none;
  }
  .zone-btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
  }
  .zone-btn:active .zone-btn-arrow {
    transform: translateX(5px);
  }
  /* 隐藏全局背景图层 */
  .zones-bg-container {
    display: none;
  }
  /* 隐藏指示点 */
  .zones-mobile-dots,
  .zones-mobile-dot {
    display: none;
  }
  /* 底部翻页提示条 */
  .zones-mobile-nav {
    display: none;
  }
  /* 底部指示点 */
  .zones-mobile-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
  }
  .zones-mobile-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    transition: background 0.3s, transform 0.3s;
  }
  .zones-mobile-dot.active {
    background: #7eb63b;
    transform: scale(1.3);
  }
  /* 视频区在移动端隐藏控制按钮 */
  .zone-video-controls { display: none; }
  .solutions-grid { grid-template-columns: 1fr; }
  /* 手机端显示1张完整卡片 */
  .solution-card { height: 300px; }
  .solutions-slider-track .solution-card {
    flex: 0 0 100%;
    min-width: 100%;
    margin-right: 0;
  }
  .solutions-slider-dots { display: flex !important; }
  .solutions-nav-btn { width: 32px; height: 32px; }
  .solutions-slider-controls { gap: 12px; margin-top: 16px; }
  .solutions-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .solutions-header-left .section-subtitle { margin: 0 auto; }
  .solutions-header-btn { display: none; }
  .solutions-mobile-btn {
    display: flex;
    justify-content: center;
    margin-top: 20px;
  }
  .solutions-mobile-btn .btn {
    width: 98%;
    justify-content: center;
  }
  /* 案例板块移动端：标题居中，右上角按钮隐藏，底部按钮显示 */
  .cases-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .cases-header-left .section-subtitle { margin: 0 auto; }
  .cases-header-btn { display: none; }
  .cases-mobile-btn {
    display: flex !important;
    justify-content: center;
    margin-top: 20px;
  }
  .cases-mobile-btn .btn {
    width: 94vw;
    justify-content: center;
  }
  /* 案例轮播移动端：每次显示一个，撑满98%宽度 */
  .cases-slider { width: 100%; overflow: hidden; }
  .cases-track { width: 100%; }
  .case-slide { min-width: 98%; width: 98%; margin: 0 1%; }
  .case-card { width: 100%; }
  .case-card-img { height: 180px; }
  /* 新闻板块移动端：卡片式布局 */
  .news-section { padding: 0px 10px 0 10px; }
  .news-section .container { padding: 0 1%; display: flex; flex-direction: column; }
  /* 移动端：标题居中，右上角按钮隐藏，底部按钮显示 */
  .news-section-header {
    /*flex-direction: column;*/
    align-items: center;
    text-align: center;
    order: 1;
  }
  .news-header-left .section-subtitle { margin: 0 auto; }
  .news-header-btn { display: none; }
  .news-grid { order: 2; }
  .news-section-mobile-btn {
    order: 3;
    display: flex !important;
    justify-content: center;
    margin-top: 20px;
  }
  .news-section-mobile-btn .btn {
    width: 98%;
    justify-content: center;
  }
  .news-grid { 
    grid-template-columns: 1fr; 
    gap: 12px; 
    width: 100%; 
    max-width: 100%; 
    box-sizing: border-box; 
  }
  .news-featured { 
    min-height: 200px; 
    border-radius: 12px;
    overflow: hidden;
  }
  .news-featured img { 
    width: 100%; 
    height: 200px; 
    object-fit: cover; 
  }
  .news-featured-content { padding: 16px; }
  .news-featured-title { 
    font-size: 16px; 
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-featured-tag { font-size: 11px; padding: 3px 10px; margin-bottom: 8px; }
  .news-featured-date { font-size: 12px; }
  .news-list { gap: 10px; }
  .news-item { 
    flex-direction: row; 
    padding: 12px;
    border-radius: 12px;
    overflow: hidden;
  }
  .news-item-img { 
    width: 100px; 
    height: 75px; 
    border-radius: 8px;
    flex-shrink: 0;
  }
  .news-item-content { 
    padding: 0; 
    min-width: 0;
    overflow: hidden;
  }
  .news-item-title { 
    font-size: 14px; 
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
  }
  .news-item-desc { display: none; }
  .news-item-date { font-size: 12px; margin-top: 4px; }
  .cta-title { font-size: 28px; }
  .cta-desc { font-size: 15px; }
  .process-item {
    flex: 0 0 100%;
    margin: 8px 0;
    padding: 20px 16px;
  }
  .process-icon {
    font-size: 28px;
    width: 44px;
  }
  .process-item .process-title,
  .process-item .process-desc {
    text-align: left;
  }
  .process-section { padding: 5px 0; }
  .process-timeline { gap: 16px; flex-direction: column; }
  /* 投资模式：2x2布局 */
  .process-investment { width: 98vw; margin-left: calc(-50vw + 50%); padding: 24px 1vw; box-sizing: border-box; }
  .investment-options { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .investment-item { padding: 18px 14px; }
  .investment-icon { font-size: 28px; margin-bottom: 10px; }
  .investment-item h4 { font-size: 15px; }
  .investment-item p { font-size: 12px; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-tabs { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .hero-progress { gap: 30px; }
  .hero-progress-bar { width: 28px; }
  .hero-arrow { display: none; }
  /* 投资模式保持2x2布局 */
  .process-investment { width: 98vw; margin-left: calc(-50vw + 50%); padding: 20px 1vw; box-sizing: border-box; }
  .investment-options { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}