/* ===== 海硕官网 - 工业蓝主题样式 ===== */

:root {
  --brand-blue: #003580;
  --brand-blue-deep: #002663;
  --brand-light: #0077c8;
  --brand-sea: #00a3e0;
  --brand-orange: #ff6b00;
  --brand-orange-light: #ff8533;
  --bg-light: #f4f6f8;
  --bg-dark: #0f172a;
  --text-dark: #1a1a1a;
  --text-mid: #4b5563;
  --text-light: #94a3b8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  background: #fff;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; transition: color 0.3s; }

/* ===== 顶部联系条 ===== */
.top-bar {
  background: var(--brand-blue-deep);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.top-bar a:hover { color: var(--brand-orange-light); }

/* ===== 主导航栏 ===== */
.main-nav {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s;
}
.nav-link {
  position: relative;
  padding: 28px 0;
  display: inline-block;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s;
}
.nav-link:hover { color: var(--brand-blue); }
.nav-link.active { color: var(--brand-blue); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--brand-orange);
  border-radius: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 30px;
  height: 3px;
  background: var(--brand-orange);
  border-radius: 2px;
  transition: transform 0.3s;
}
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }

/* 二级菜单 */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  min-width: 200px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  padding: 8px 0;
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-mid);
  white-space: nowrap;
  transition: all 0.2s;
}
.nav-dropdown a:hover {
  background: var(--bg-light);
  color: var(--brand-blue);
  padding-left: 26px;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  font-size: 15px;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-light));
  color: white;
  box-shadow: 0 4px 14px rgba(255, 107, 0, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 107, 0, 0.5);
}
.btn-secondary {
  background: var(--brand-blue);
  color: white;
}
.btn-secondary:hover {
  background: var(--brand-blue-deep);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}
.btn-outline:hover {
  background: white;
  color: var(--brand-blue);
}

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--brand-blue);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-orange));
  border-radius: 2px;
}
.section-title p {
  color: var(--text-mid);
  font-size: 16px;
  margin-top: 24px;
}

/* ===== Hero / 首页大图 ===== */
.hero-slide {
  position: relative;
  height: 600px;
  background-size: cover;
  background-position: center;
}
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 53, 128, 0.85) 0%, rgba(0, 119, 200, 0.4) 70%);
}
.hero-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  color: white;
}
.hero-content h1 {
  font-size: 56px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 20px;
}
.hero-content p {
  font-size: 20px;
  margin-bottom: 36px;
  opacity: 0.95;
  max-width: 600px;
}
.hero-content .highlight { color: var(--brand-orange); }

/* ===== 子页面 banner ===== */
.page-banner {
  position: relative;
  height: 320px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 53, 128, 0.9), rgba(0, 119, 200, 0.7));
}
.page-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-banner-content h1 {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 12px;
}
.page-banner-content .breadcrumb {
  font-size: 14px;
  opacity: 0.9;
}
.page-banner-content .breadcrumb a:hover { color: var(--brand-orange-light); }

/* ===== 卡片 ===== */
.card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 53, 128, 0.15);
}
.card-img {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--bg-light);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.card:hover .card-img img { transform: scale(1.08); }
.card-body { padding: 24px; }
.card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--brand-blue);
}
.card-body p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  background: rgba(0, 53, 128, 0.08);
  color: var(--brand-blue);
  border-radius: 100px;
  margin: 4px 6px 4px 0;
  font-weight: 500;
}
.tag-orange {
  background: rgba(255, 107, 0, 0.1);
  color: var(--brand-orange);
}

/* ===== 数字统计 ===== */
.stat-num {
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-sea));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label {
  font-size: 15px;
  color: var(--text-mid);
  margin-top: 8px;
}

/* ===== 特性图标 ===== */
.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-light));
  color: white;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(0, 53, 128, 0.25);
}
.feature-icon-orange {
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-light));
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.25);
}

/* ===== 时间线（发展历程） ===== */
.timeline {
  position: relative;
  padding: 40px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand-blue), var(--brand-orange));
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  margin-bottom: 60px;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-item:nth-child(odd) .timeline-content { text-align: right; padding-right: 50px; }
.timeline-item:nth-child(even) .timeline-content { padding-left: 50px; }
.timeline-content {
  width: 50%;
  padding: 24px;
}
.timeline-content h4 {
  color: var(--brand-orange);
  font-size: 24px;
  margin-bottom: 8px;
}
.timeline-content p { color: var(--text-mid); }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  width: 16px;
  height: 16px;
  background: var(--brand-orange);
  border: 4px solid white;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--brand-blue);
  z-index: 1;
}

/* ===== 客服浮窗 ===== */
.chat-trigger {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
  z-index: 999;
  color: white;
  font-size: 28px;
  transition: all 0.3s;
  animation: pulse-orange 2s infinite;
}
.chat-trigger:hover { transform: scale(1.1); }

@keyframes pulse-orange {
  0%, 100% { box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4), 0 0 0 0 rgba(255, 107, 0, 0.5); }
  50% { box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4), 0 0 0 14px rgba(255, 107, 0, 0); }
}

/* 按钮下方文字标签 */
.chat-trigger-label {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 1px;
  pointer-events: none;
}

/* 招呼气泡 (按钮左侧弹出) */
.chat-tooltip {
  position: fixed;
  right: 100px;          /* 按钮宽 64 + 间距 36 */
  bottom: 32px;
  z-index: 998;
  opacity: 0;
  transform: translateX(20px) scale(0.92);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}
.chat-tooltip.chat-tooltip-show {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}
.chat-tooltip-inner {
  background: linear-gradient(135deg, #fff, #fff8f0);
  border: 2px solid #ff6b00;
  border-radius: 16px;
  padding: 12px 36px 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 32px rgba(255, 107, 0, 0.25), 0 0 0 4px rgba(255,107,0,0.08);
  cursor: default;
  position: relative;
  min-width: 240px;
}
.chat-tooltip-emoji {
  font-size: 30px;
  animation: tooltipWave 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes tooltipWave {
  0%, 100% { transform: rotate(0); }
  20%, 60% { transform: rotate(-14deg); }
  40%, 80% { transform: rotate(14deg); }
}
.chat-tooltip-text {
  flex: 1;
}
.chat-tooltip-t1 {
  font-size: 14px;
  font-weight: 700;
  color: #d84800;
  letter-spacing: 1px;
}
.chat-tooltip-t2 {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
  letter-spacing: 0.5px;
}
.chat-tooltip-close {
  position: absolute;
  top: 6px;
  right: 10px;
  font-size: 18px;
  line-height: 1;
  color: #999;
  cursor: pointer;
  padding: 0 4px;
}
.chat-tooltip-close:hover { color: #d84800; }
.chat-tooltip-arrow {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 12px solid #ff6b00;
}
.chat-tooltip-arrow::before {
  content: '';
  position: absolute;
  right: 2px;
  top: -8px;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 10px solid #fff;
}
@media (max-width: 768px) {
  .chat-tooltip { right: 88px; bottom: 28px; }
  .chat-tooltip-inner { min-width: 180px; padding: 10px 28px 10px 12px; }
  .chat-tooltip-t1 { font-size: 13px; }
  .chat-tooltip-t2 { font-size: 11px; }
}

.chat-panel {
  position: fixed;
  right: 24px;
  bottom: 100px;
  width: 360px;
  height: 520px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  z-index: 998;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
}
.chat-header {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-light));
  color: white;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-header h4 { font-size: 16px; font-weight: 600; }
.chat-header .status {
  font-size: 12px;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}
.chat-header .status::before {
  content: '';
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}
@keyframes blink { 50% { opacity: 0.4; } }

.chat-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: var(--bg-light);
}
.chat-msg {
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
}
.chat-msg.bot { justify-content: flex-start; }
.chat-msg.user { justify-content: flex-end; }
.chat-msg .bubble {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
}
.chat-msg.bot .bubble {
  background: white;
  color: var(--text-dark);
  border-top-left-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.chat-msg.user .bubble {
  background: var(--brand-blue);
  color: white;
  border-top-right-radius: 4px;
}
.chat-quick {
  padding: 12px 20px;
  background: white;
  border-top: 1px solid #e5e7eb;
}
.chat-quick-item {
  display: inline-block;
  padding: 6px 12px;
  margin: 4px 4px 4px 0;
  font-size: 12px;
  background: var(--bg-light);
  color: var(--brand-blue);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.chat-quick-item:hover {
  background: var(--brand-blue);
  color: white;
}
.chat-input {
  display: flex;
  padding: 12px 16px;
  border-top: 1px solid #e5e7eb;
  background: white;
  gap: 8px;
}
.chat-input input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border 0.2s;
}
.chat-input input:focus { border-color: var(--brand-blue); }
.chat-input button {
  padding: 10px 16px;
  background: var(--brand-blue);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
.chat-input button:hover { background: var(--brand-blue-deep); }

/* ===== 客服浮窗 v2 增强(badge / 工具按钮 / 表情 / 语音 / 工单) ===== */
.chat-header .status::before { display: none !important; }
.chat-header h4 { display: flex; align-items: center; }
.chat-msg.system { justify-content: center; }
.chat-msg.system .bubble {
  background: rgba(245, 158, 11, 0.12);
  color: #92400e;
  font-size: 12.5px;
  border-radius: 12px;
  max-width: 88%;
  text-align: center;
}
.chat-badge {
  position: absolute;
  top: -2px; right: -2px;
  min-width: 22px; height: 22px;
  padding: 0 6px;
  border-radius: 11px;
  background: #ef4444;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.chat-trigger { position: relative; }

/* 输入栏工具按钮 */
.chat-input {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #fff;
  border-top: 1px solid #e5e7eb;
}
.chat-input input {
  flex: 1;
  border: 1.5px solid #e5e7eb;
  border-radius: 18px;
  padding: 8px 14px;
  font-size: 14px;
  outline: none;
}
.chat-input input:focus { border-color: var(--brand-blue); }
.chat-tool-btn {
  width: 32px; height: 32px;
  border: none; background: transparent;
  cursor: pointer; color: #6b7280;
  font-size: 16px;
  border-radius: 50%;
  transition: all 0.15s;
  flex-shrink: 0;
}
.chat-tool-btn:hover { background: #f3f4f6; color: var(--brand-blue); }
.chat-tool-btn:active { transform: scale(0.92); }
#chatVoiceBtn:active { background: var(--brand-orange); color: #fff; }
.chat-send-btn {
  background: var(--brand-blue);
  color: #fff;
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-send-btn:hover { background: var(--brand-blue-deep); }

/* 表情面板 */
.chat-emoji-panel {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  padding: 10px;
  max-height: 180px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
}
.chat-emoji {
  font-size: 20px;
  text-align: center;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background 0.1s;
}
.chat-emoji:hover { background: #f3f4f6; }

/* 录音指示 */
.chat-voice-indicator {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,0.97);
  padding: 30px 40px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  text-align: center;
  z-index: 1000;
}
@keyframes chatPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

/* 工单 modal */
.chat-modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1100;
  display: flex; align-items: center; justify-content: center;
}
.chat-modal {
  background: #fff;
  border-radius: 14px;
  width: 92%;
  max-width: 420px;
  max-height: 86vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.chat-modal-header {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-light));
  color: #fff;
  padding: 14px 18px;
  display: flex; align-items: center; justify-content: space-between;
}
.chat-modal-header h4 { font-size: 16px; font-weight: 600; }
.chat-modal-body {
  padding: 18px;
  overflow-y: auto;
  display: flex; flex-direction: column;
  gap: 10px;
}
.chat-modal-body label {
  font-size: 13px; font-weight: 600; color: #4b5563;
  margin-top: 4px;
}
.chat-modal-body input,
.chat-modal-body select,
.chat-modal-body textarea {
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
  background: #fafafa;
}
.chat-modal-body input:focus,
.chat-modal-body select:focus,
.chat-modal-body textarea:focus { border-color: var(--brand-blue); background: #fff; }
.chat-modal-body textarea { resize: vertical; min-height: 100px; }
.chat-modal-submit {
  background: var(--brand-blue);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}
.chat-modal-submit:hover { background: var(--brand-blue-deep); }

/* 工单列表项 */
.chat-ticket-item {
  padding: 14px 18px;
  border-bottom: 1px solid #f3f4f6;
}
.chat-ticket-item .row1 {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px;
}
.chat-ticket-item .row2 { margin-top: 4px; color: #1f2937; font-size: 14px; }
.chat-ticket-item .row3 { margin-top: 4px; color: #9ca3af; font-size: 12px; }
.chat-ticket-item .status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-processing { background: #dbeafe; color: #1e40af; }
.status-resolved { background: #d1fae5; color: #065f46; }
.status-closed { background: #f3f4f6; color: #6b7280; }

/* 浮窗触发器 z-index 拉高,modal 之上 */
@media (max-width: 768px) {
  .chat-emoji-panel { grid-template-columns: repeat(8, 1fr); }
}

/* ============================================================ */
/* ====== Hero 大轮播 v3 — 4 张全屏 HTML 海报 (2026-05-21) ====== */
/* ============================================================ */

/* 隐藏 v1 的双层 img (旧)防有缓存 */
.hero-banner-slide .hero-bg-blur,
.hero-banner-slide .hero-bg-main { display: none !important; }

/* 全屏 slide 通用 */
.hero-fullscreen {
  position: relative;
  height: min(78vh, 780px);
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.hero-fs-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1200px;
  padding: 60px 40px;
  text-align: center;
}

/* 顶部 tag */
.hero-tag {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 100px;
  background: rgba(255, 215, 0, 0.18);
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: #ffe48a;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
}

/* 主标题 */
.hero-title { margin: 0 0 18px; }
.hero-title-line {
  display: block;
  font-size: clamp(38px, 6.5vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
  letter-spacing: 4px;
}
.hero-title-sub {
  display: block;
  margin-top: 14px;
  font-size: clamp(18px, 2.5vw, 32px);
  font-weight: 500;
  letter-spacing: 6px;
  opacity: 0.95;
}
.hero-gold {
  background: linear-gradient(135deg, #ffe066, #ffb700, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}
.hero-cyan {
  background: linear-gradient(135deg, #67e8f9, #06b6d4, #0891b2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.hero-desc {
  font-size: clamp(13px, 1.4vw, 17px);
  opacity: 0.85;
  margin-bottom: 28px;
  letter-spacing: 1.5px;
}

/* 按钮 */
.hero-fs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  margin-top: 32px;
}
.hero-btn {
  padding: 14px 38px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-block;
  border: 2px solid transparent;
}
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
.hero-btn-gold {
  background: linear-gradient(135deg, #ffd700, #ff9500);
  color: #5a0f0f;
  box-shadow: 0 8px 24px rgba(255,180,0,0.4);
}
.hero-btn-outline-gold {
  border-color: rgba(255,215,0,0.6);
  color: #ffe48a;
  background: rgba(255,215,0,0.08);
}
.hero-btn-cyan {
  background: linear-gradient(135deg, #06b6d4, #0284c7);
  color: #fff;
  box-shadow: 0 8px 24px rgba(8,178,212,0.5);
}
.hero-btn-outline-cyan {
  border-color: rgba(103,232,249,0.6);
  color: #a5f3fc;
  background: rgba(103,232,249,0.08);
}
.hero-btn-orange {
  background: linear-gradient(135deg, #ff6b00, #ff8533);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255,107,0,0.5);
}
.hero-btn-outline-orange {
  border-color: rgba(255,150,80,0.6);
  color: #ffd0a8;
  background: rgba(255,107,0,0.08);
}

/* === 第 1 屏: 品牌主张 - 中国红→深蓝渐变 + 金徽章 === */
.hero-slide-brand {
  background:
    radial-gradient(ellipse at 70% 30%, rgba(255,180,0,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(220,30,50,0.25) 0%, transparent 50%),
    linear-gradient(135deg, #5a0f0f 0%, #2a0606 30%, #0d1f3a 70%, #1a2840 100%);
}
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,200,100,0.04) 0 2px, transparent 2px 60px),
    radial-gradient(circle at 50% 50%, transparent 60%, rgba(0,0,0,0.4));
  pointer-events: none;
  z-index: 1;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 28px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.hero-stat {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,215,0,0.25);
  border-radius: 14px;
  padding: 18px 12px;
  backdrop-filter: blur(10px);
}
.hero-stat-num {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 900;
  color: #ffd700;
  letter-spacing: 1px;
  line-height: 1;
}
.hero-stat-label {
  margin-top: 8px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 2px;
}

/* 国货之光徽章 - 右上角悬浮 */
.hero-corner-badge {
  position: absolute;
  top: 8%;
  right: 6%;
  width: clamp(90px, 11vw, 140px);
  height: clamp(90px, 11vw, 140px);
  z-index: 4;
  filter: drop-shadow(0 10px 30px rgba(255,180,0,0.5));
  animation: badgeRotate 60s linear infinite;
}
@keyframes badgeRotate { from { transform: rotate(0); } to { transform: rotate(360deg); } }
.hero-badge-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, #fff8e0 0%, #ffd700 50%, #d4a017 100%);
  border: 4px solid #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #8b0000;
  font-weight: 900;
  box-shadow: 0 0 0 4px #d4a017, 0 0 0 8px #fff;
  animation: badgeRotate 60s linear infinite reverse;  /* 反向让内容不旋 */
}
.hero-badge-star { font-size: 18px; color: #d4a017; }
.hero-badge-text-1 { font-size: clamp(18px, 2vw, 26px); letter-spacing: 4px; }
.hero-badge-text-2 { font-size: clamp(18px, 2vw, 26px); letter-spacing: 4px; }

/* === 第 2 屏: 数据 - 深海军蓝 + 网格 === */
.hero-slide-data {
  background:
    radial-gradient(ellipse at 50% 100%, rgba(8,178,212,0.25) 0%, transparent 65%),
    linear-gradient(180deg, #001a3d 0%, #002b5c 40%, #003f7a 70%, #001a3d 100%);
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  z-index: 1;
  pointer-events: none;
}
.hero-data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
.hero-data-card {
  background: linear-gradient(180deg, rgba(8,178,212,0.15), rgba(8,178,212,0.05));
  border: 1px solid rgba(103,232,249,0.3);
  border-radius: 14px;
  padding: 24px 16px;
  backdrop-filter: blur(12px);
}
.hero-data-icon { font-size: 32px; margin-bottom: 8px; }
.hero-data-num {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  color: #67e8f9;
  line-height: 1;
}
.hero-data-num span { font-size: 0.5em; opacity: 0.8; margin-left: 2px; }
.hero-data-name {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1.5px;
}

/* === 第 3 屏: 三大优势 - 暖橙→深红 === */
.hero-slide-features {
  background:
    radial-gradient(ellipse at 30% 30%, rgba(255,180,0,0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(220,40,40,0.3) 0%, transparent 50%),
    linear-gradient(135deg, #4a0f0f 0%, #7a1f1f 30%, #b8420a 70%, #4a0f0f 100%);
}
.hero-bg-rays {
  position: absolute; inset: 0;
  background-image: conic-gradient(from 0deg at 50% 100%, transparent 0deg 5deg, rgba(255,200,100,0.05) 5deg 10deg, transparent 10deg 360deg);
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}
.hero-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
.hero-feature {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 18px;
  padding: 28px 22px;
  backdrop-filter: blur(14px);
  transition: transform 0.25s;
}
.hero-feature:hover { transform: translateY(-6px); }
.hero-feature-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.hero-feature-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  color: #fff;
}
.hero-feature-desc {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  letter-spacing: 1px;
}

/* === 第 4 屏: 加盟 - 中国地图 + 暖橙渐变 === */
.hero-slide-partners {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255,140,0,0.2) 0%, transparent 60%),
    linear-gradient(135deg, #1a3a5c 0%, #6b2f1a 50%, #1a3a5c 100%);
}
.hero-bg-map {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><circle cx='50' cy='50' r='40' fill='none' stroke='rgba(255,200,100,0.1)' stroke-width='0.3'/><circle cx='50' cy='50' r='30' fill='none' stroke='rgba(255,200,100,0.08)' stroke-width='0.3'/><circle cx='50' cy='50' r='20' fill='none' stroke='rgba(255,200,100,0.06)' stroke-width='0.3'/></svg>");
  background-size: 600px 600px;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}
.hero-partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
.hero-partner-card {
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,215,0,0.25);
  border-radius: 16px;
  padding: 24px 18px;
  backdrop-filter: blur(12px);
}
.hero-partner-hot {
  border-color: #ffd700;
  background: rgba(255,180,0,0.18);
  transform: scale(1.05);
  box-shadow: 0 10px 32px rgba(255,180,0,0.3);
}
.hero-partner-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #5a0f0f;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(255,180,0,0.5);
}
.hero-partner-tier {
  font-size: 14px;
  color: #ffd700;
  font-weight: 700;
  letter-spacing: 3px;
}
.hero-partner-num {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  color: #fff;
  margin: 10px 0;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.hero-partner-desc {
  font-size: 12.5px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.5px;
  line-height: 1.7;
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .hero-fullscreen { height: min(70vh, 640px); min-height: 460px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 460px; }
  .hero-data-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-feature-grid { grid-template-columns: 1fr; gap: 14px; max-width: 460px; }
  .hero-partner-grid { grid-template-columns: 1fr; gap: 14px; max-width: 360px; }
  .hero-partner-hot { transform: none; }
  .hero-corner-badge { width: 80px; height: 80px; top: 14%; right: 5%; }
}
@media (max-width: 768px) {
  .hero-fullscreen { height: min(82vh, 560px); min-height: 440px; }
  .hero-fs-inner { padding: 50px 24px; }
  .hero-corner-badge { display: none; }
  .hero-btn { padding: 10px 24px; font-size: 13px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-col h3 {
  color: white;
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--brand-orange);
  border-radius: 2px;
}
.footer-col p { font-size: 14px; line-height: 2; }
.footer-col a { font-size: 14px; line-height: 2.2; display: block; }
.footer-col a:hover { color: var(--brand-orange); padding-left: 6px; }
.footer-col i { color: var(--brand-orange); margin-right: 8px; }
.footer-qr {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}
.footer-qr-item { text-align: center; }
.footer-qr-item img {
  width: 100px; height: 100px;
  border-radius: 8px;
  background: white;
  padding: 6px;
}
.footer-qr-item p {
  margin-top: 8px;
  font-size: 12px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--brand-orange); }

.footer-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 20px;
}
.footer-bottom-grid .fb-left { text-align: left; }
.footer-bottom-grid .fb-center { text-align: center; }
.footer-bottom-grid .fb-right { text-align: right; }
.footer-bottom-grid .fb-dot { margin: 0 8px; opacity: 0.5; }

/* 公安备案 */
.fb-police {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.fb-police-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .footer-bottom-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
  }
  .footer-bottom-grid .fb-left,
  .footer-bottom-grid .fb-right,
  .footer-bottom-grid .fb-center { text-align: center; }
}

/* ===== 滚动动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content h1 { font-size: 42px; }
  .timeline::before { left: 20px; }
  .timeline-item, .timeline-item:nth-child(odd) { flex-direction: column; }
  .timeline-item .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content {
    width: 100%;
    text-align: left;
    padding: 20px 20px 20px 60px;
  }
  .timeline-dot { left: 20px; }
}
@media (max-width: 768px) {
  .nav-links-desktop { display: none !important; }
  .top-bar .right-info { display: none; }
  .hero-content h1 { font-size: 32px; }
  .hero-content p { font-size: 16px; }
  .hero-slide { height: 480px; }
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-banner { height: 220px; }
  .page-banner-content h1 { font-size: 32px; }
  .chat-panel { width: calc(100vw - 32px); right: 16px; }
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 280px;
  height: 100vh;
  background: white;
  z-index: 200;
  transition: right 0.3s;
  padding: 80px 24px 24px;
  box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid #f1f5f9;
  font-weight: 500;
}
.mobile-menu-close {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 24px;
  cursor: pointer;
}
.mobile-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.mobile-mask.open { opacity: 1; visibility: visible; }

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: var(--brand-blue); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-blue-deep); }

/* ===== 横版宽屏 Hero 海报（双层：模糊底 + 完整图，用 <img> 实现） ===== */
.hero-banner-slide {
  position: relative;
  height: min(72vh, 760px);
  min-height: 480px;
  overflow: hidden;
  background-color: #1a1a1a;
}

/* 底层：模糊放大同图（兜满四周不留白） */
.hero-banner-slide .hero-bg-blur {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(40px) brightness(0.55) saturate(1.2);
  transform: scale(1.15);
  z-index: 0;
  display: block;
  pointer-events: none;
}

/* 上层：完整图（contain 不裁不变形） */
.hero-banner-slide .hero-bg-main {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  z-index: 1;
  display: block;
  pointer-events: none;
}

/* 底部按钮浮层 */
.hero-banner-actions {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  padding: 12px 24px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

@media (max-width: 1024px) {
  .hero-banner-slide { height: min(60vh, 520px); min-height: 380px; }
}

@media (max-width: 768px) {
  .hero-banner-slide { height: min(56vh, 440px); min-height: 320px; }
  .hero-banner-actions {
    bottom: 16px;
    padding: 8px 14px;
    gap: 8px;
  }
  .hero-banner-actions .btn {
    padding: 8px 16px !important;
    font-size: 12px !important;
  }
}

/* 工具类 */
.bg-pattern {
  background-color: #f4f6f8;
  background-image: radial-gradient(circle at 1px 1px, rgba(0,53,128,0.08) 1px, transparent 0);
  background-size: 24px 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-sea));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.divider-line {
  height: 4px;
  width: 60px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-orange));
  border-radius: 2px;
  margin: 16px 0 24px;
}