:root {
  --container: 1180px;
  --color-primary: #0066ff;
  --color-secondary: #001a80;
  --color-light: #e6f0ff;
  --color-border: #dde5f0;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-success: #00b96b;
  --color-warning: #ff9c6e;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  background-color: #f8f9fa;
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

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

.image-box,
.compass-media,
.quadrant-media,
.preview-media,
.directions-media,
.safety-media,
.network-media,
.scene-media {
  overflow: visible;
  line-height: 0;
}

.image-box img,
.compass-media img,
.quadrant-media img,
.preview-media img,
.directions-media img,
.safety-media img,
.network-media img,
.scene-media img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* 顶部罗盘状态栏 */
.compass-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.progress-line {
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
  width: 0%;
  transition: width 0.2s ease;
}

.header-container {
  padding: 16px 0;
  transition: var(--transition);
}

.compass-header.scrolled .header-container {
  padding: 8px 0;
}

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

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex-shrink: 0;
}

.logo {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

.compass-header.scrolled .logo {
  height: 32px;
}

.brand-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}

.compass-header.scrolled .brand-name {
  font-size: 16px;
}

.direction-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 14px;
  flex: 1;
  justify-content: center;
  min-width: 0;
  transition: var(--transition);
}

.compass-icon {
  font-size: 16px;
  color: var(--color-primary);
}

.direction-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-buttons {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  background: white;
  color: var(--color-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
  background: white;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-light);
}

.btn-compass,
.btn-confirm {
  padding: 8px 14px;
  font-size: 13px;
}

/* 移动端罗盘按钮 */
.mobile-compass-btn {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
  transition: var(--transition);
}

.mobile-compass-btn:hover {
  background: var(--color-secondary);
  box-shadow: 0 6px 16px rgba(0, 102, 255, 0.5);
  transform: scale(1.1);
}

.mobile-compass-menu {
  display: none;
  position: fixed;
  right: -300px;
  top: 0;
  width: 280px;
  height: 100vh;
  background: white;
  z-index: 95;
  transition: var(--transition);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
}

.mobile-compass-menu.active {
  right: 0;
}

.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.menu-header h3 {
  font-size: 18px;
  margin: 0;
}

.menu-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text);
  cursor: pointer;
  padding: 0;
}

.menu-content {
  padding: 0;
}

.menu-item {
  display: block;
  padding: 12px 20px;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
  font-size: 14px;
}

.menu-item:hover {
  background: var(--color-light);
  color: var(--color-primary);
  padding-left: 24px;
}

/* 模块基础样式 */
.module {
  padding: 80px 0;
  animation: moduleIn 0.6s ease forwards;
  opacity: 0;
}

.module h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  text-align: center;
}

.module-subtitle {
  font-size: 16px;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 48px;
}

@keyframes moduleIn {
  to {
    opacity: 1;
  }
}

/* 首屏罗盘 */
.hero-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #f0f5ff 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.compass-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.label-tag {
  background: rgba(0, 102, 255, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
}

.label-slash {
  color: var(--color-border);
}

.hero-section h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.hero-text > p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.safety-tip {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 156, 110, 0.1);
  border-left: 3px solid var(--color-warning);
  border-radius: 4px;
  font-size: 13px;
  color: var(--color-text);
}

.tip-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.tip-text {
  flex: 1;
}

.hero-visual {
  position: relative;
}

.compass-panel {
  position: relative;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  background: white;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.compass-media {
  width: 100%;
  height: 100%;
}

.compass-media img {
  width: 100%;
  height: 100%;
}

.compass-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.compass-ring {
  fill: none;
  stroke: rgba(0, 102, 255, 0.2);
  stroke-width: 1;
}

.compass-inner {
  fill: none;
  stroke: rgba(0, 102, 255, 0.1);
  stroke-width: 1;
}

.compass-line {
  stroke: rgba(0, 102, 255, 0.15);
  stroke-width: 1;
  stroke-dasharray: 5, 5;
}

.compass-point {
  fill: var(--color-primary);
}

.compass-label {
  fill: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
}

.hero-directions {
  overflow-x: auto;
  padding: 20px 0;
  -webkit-overflow-scrolling: touch;
}

.directions-track {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: min-content;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
}

.direction-item {
  padding: 8px 14px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  transition: var(--transition);
}

.direction-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.direction-arrow {
  color: var(--color-text-light);
  font-size: 16px;
}

/* 四象限选择器 */
.quadrant-section {
  background: white;
}

.quadrant-selector {
  margin-bottom: 40px;
}

.quadrant-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.quadrant-card {
  padding: 24px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  background: white;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quadrant-card:hover {
  border-color: var(--color-primary);
  background: var(--color-light);
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.15);
}

.quadrant-card.active {
  border-color: var(--color-primary);
  background: var(--color-light);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.2);
}

.quadrant-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quadrant-icon {
  font-size: 28px;
}

.quadrant-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.quadrant-desc {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0;
}

.quadrant-explanation {
  background: white;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.explanation-item h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.detail-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 16px;
  margin-bottom: 8px;
}

.detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-list li {
  font-size: 14px;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
}

.detail-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.quadrant-media {
  margin-top: 24px;
  border-radius: 8px;
  overflow: hidden;
}

.quadrant-media img {
  width: 100%;
  height: auto;
}

/* 资产坐标图 */
.coordinates-section {
  background: white;
}

.coordinates-diagram {
  position: relative;
  margin-bottom: 40px;
  padding: 40px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.coordinates-axes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.axis-y,
.axis-x {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-light);
}

.axis-y {
  left: -60px;
  top: 0;
  width: 50px;
  height: 100%;
  writing-mode: vertical-rl;
}

.axis-x {
  bottom: -40px;
  left: 0;
  width: 100%;
  height: 30px;
}

.coordinates-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.coordinate-point {
  position: relative;
  padding: 20px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.coordinate-point:hover {
  border-color: var(--color-primary);
  background: var(--color-light);
}

.point-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
}

.point-info {
  display: none;
}

.coordinate-point:hover .point-info,
.coordinate-point.active .point-info {
  display: block;
}

.info-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.info-title + p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.status-tag {
  display: inline-block;
  padding: 4px 8px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-primary);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.coordinates-media {
  border-radius: 12px;
  overflow: hidden;
}

.coordinates-media img {
  width: 100%;
  height: auto;
}

/* 功能方向盘 */
.directions-section {
  background: white;
}

.directions-wheel {
  position: relative;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.wheel-center {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.wheel-spokes {
  position: relative;
  width: 100%;
  height: 100%;
}

.spoke-button {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle)));
}

.spoke-button:hover,
.spoke-button.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-light);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.2);
}

.directions-explanation {
  padding: 32px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.direction-info h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.direction-info p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.direction-info ul {
  list-style: none;
  margin: 16px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.direction-info li {
  font-size: 14px;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
}

.direction-info li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 600;
}

.directions-media {
  margin-top: 32px;
  border-radius: 12px;
  overflow: hidden;
}

.directions-media img {
  width: 100%;
  height: auto;
}

/* 安全边界线 */
.safety-section {
  background: white;
}

.safety-boundary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  align-items: start;
}

.boundary-visual {
  position: relative;
  aspect-ratio: 1;
}

.boundary-polygon {
  width: 100%;
  height: 100%;
}

.boundary-circle {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
}

.boundary-polygon-shape {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  opacity: 0.3;
}

.boundary-point {
  fill: white;
  stroke: var(--color-primary);
  stroke-width: 2;
  cursor: pointer;
  transition: var(--transition);
}

.boundary-point:hover {
  fill: var(--color-primary);
  r: 10;
}

.boundary-info {
  padding: 0;
}

.boundary-detail h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.boundary-detail p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.7;
}

.boundary-detail .detail-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 16px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.boundary-detail .detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.boundary-detail .detail-list li {
  font-size: 13px;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
}

.boundary-detail .detail-list li::before {
  content: "·";
  position: absolute;
  left: 6px;
  color: var(--color-warning);
  font-weight: 700;
  font-size: 16px;
}

.safety-media {
  border-radius: 12px;
  overflow: hidden;
}

.safety-media img {
  width: 100%;
  height: auto;
}

/* App预览 */
.preview-section {
  background: white;
}

.preview-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  align-items: center;
}

.phone-frame {
  position: relative;
  aspect-ratio: 9 / 16;
  border: 16px solid #1a1a1a;
  border-radius: 40px;
  background: white;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.phone-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: 24px;
  background: #1a1a1a;
  border-radius: 0 0 20px 20px;
  z-index: 10;
}

.phone-preview {
  width: 100%;
  height: 100%;
}

.phone-preview img {
  width: 100%;
  height: 100%;
}

.preview-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.coordinates-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.coord-btn {
  padding: 12px;
  border: 2px solid var(--color-border);
  background: white;
  color: var(--color-text);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
}

.coord-btn:hover,
.coord-btn.active {
  border-color: var(--color-primary);
  background: var(--color-light);
  color: var(--color-primary);
}

.preview-info {
  padding: 0;
}

.info-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.info-item p {
  font-size: 14px;
  color: var(--color-text-light);
}

.preview-mobile-slider {
  display: none;
  margin-top: 40px;
}

.slider-container {
  display: flex;
  overflow-x: auto;
  gap: 16px;
  padding: 16px;
  background: white;
  border-radius: 12px;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}

.slider-image {
  flex: 0 0 auto;
  width: 180px;
  height: auto;
  aspect-ratio: 9 / 16;
  border-radius: 8px;
  object-fit: contain;
  scroll-snap-align: start;
  cursor: pointer;
  transition: var(--transition);
}

.slider-image:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.slider-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.indicator-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* 网络确认罗盘 */
.network-section {
  background: white;
}

.network-compass {
  position: relative;
  margin-bottom: 40px;
  padding: 40px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.compass-diagram {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.compass-circle {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 2;
}

.compass-inner-circle {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1;
  opacity: 0.2;
}

.compass-axis {
  stroke: var(--color-border);
  stroke-width: 1;
  stroke-dasharray: 4, 4;
}

.compass-pointer {
  fill: white;
  stroke: var(--color-primary);
  stroke-width: 2;
  cursor: pointer;
  transition: var(--transition);
}

.compass-pointer:hover,
.compass-pointer.active {
  fill: var(--color-primary);
}

.pointer-label {
  fill: var(--color-text);
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
}

.network-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.network-card {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: white;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.confirm-tag {
  display: inline-block;
  padding: 4px 8px;
  background: rgba(255, 156, 110, 0.1);
  color: var(--color-warning);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-content p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-list li {
  font-size: 13px;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.card-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 12px;
}

.network-media {
  border-radius: 12px;
  overflow: hidden;
}

.network-media img {
  width: 100%;
  height: auto;
}

/* 场景导航器 */
.scene-section {
  background: white;
}

.scene-navigator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.scene-questions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scene-btn {
  padding: 16px;
  border: 2px solid var(--color-border);
  background: white;
  color: var(--color-text);
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
}

.scene-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-light);
  color: var(--color-primary);
}

.scene-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

.scene-results {
  padding: 0;
}

.scene-result h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.scene-result p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 16px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-list li {
  font-size: 13px;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
}

.result-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 600;
}

.scene-media {
  margin-top: 24px;
  border-radius: 8px;
  overflow: hidden;
}

.scene-media img {
  width: 100%;
  height: auto;
}

/* 操作校准盘 */
.calibration-section {
  background: white;
}

.calibration-wheel {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.calibration-diagram {
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 0 auto;
}

.calibration-circle {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  opacity: 0.2;
}

.calibration-point {
  fill: white;
  stroke: var(--color-primary);
  stroke-width: 2;
  cursor: pointer;
  transition: var(--transition);
}

.calibration-point.active {
  fill: var(--color-success);
  stroke: var(--color-success);
}

.calib-label {
  fill: var(--color-text);
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
}

.calibration-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.calib-btn {
  padding: 12px;
  border: 2px solid var(--color-border);
  background: white;
  color: var(--color-text);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

.calib-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.calib-btn.active {
  border-color: var(--color-success);
  background: rgba(0, 185, 107, 0.1);
  color: var(--color-success);
}

.calibration-status {
  text-align: center;
  padding: 24px;
  background: var(--color-light);
  border-radius: 8px;
  margin-bottom: 24px;
}

.status-text {
  color: var(--color-text-light);
  font-size: 14px;
  margin: 0;
}

.status-message {
  padding: 16px;
}

.message-text {
  color: var(--color-success);
  font-weight: 600;
  margin: 0;
  font-size: 14px;
}

.calibration-checklist {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.check-item {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: white;
}

.check-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px 0;
}

.check-item p {
  font-size: 12px;
  color: var(--color-text-light);
  margin: 0;
}

/* FAQ部分 */
.faq-section {
  background: white;
}

.faq-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  background: white;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.faq-directions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-direction {
  padding: 16px;
  border: 2px solid var(--color-border);
  background: white;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.faq-direction:hover {
  border-color: var(--color-primary);
  background: var(--color-light);
  color: var(--color-primary);
}

.faq-direction.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

.direction-count {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.faq-direction.active .direction-count {
  background: rgba(255, 255, 255, 0.5);
}

.faq-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.faq-toggle {
  width: 100%;
  padding: 16px;
  background: white;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.faq-toggle:hover {
  background: var(--color-light);
  color: var(--color-primary);
}

.faq-item.active .faq-toggle {
  background: var(--color-light);
  color: var(--color-primary);
}

.faq-question {
  flex: 1;
}

.toggle-icon {
  font-size: 18px;
  font-weight: 600;
  color: currentColor;
  margin-left: 12px;
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 16px;
  background: white;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.faq-answer p {
  margin: 0 0 12px 0;
}

.faq-answer p:last-child {
  margin: 0;
}

/* Footer */
.compass-footer {
  background: linear-gradient(135deg, #f0f5ff 0%, #f8f9fa 100%);
  padding: 60px 0 20px;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  gap: 16px;
}

.footer-logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.brand-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 4px 0;
}

.brand-info p {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0;
}

.footer-navigation h4,
.footer-safety h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-list a {
  font-size: 13px;
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

.nav-list a:hover {
  color: var(--color-primary);
}

.footer-safety p {
  font-size: 13px;
  color: var(--color-text-light);
  margin: 0 0 12px 0;
}

.footer-safety p:last-child {
  margin: 0;
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.footer-disclaimer {
  text-align: center;
}

.footer-disclaimer p {
  font-size: 12px;
  color: var(--color-text-light);
  margin: 0 0 6px 0;
}

.footer-disclaimer p:last-child {
  margin: 0;
}

/* 返回顶部按钮 */
.scroll-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 20px;
  font-weight: 600;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
  transition: var(--transition);
  z-index: 80;
}

.scroll-to-top:hover {
  background: var(--color-secondary);
  box-shadow: 0 6px 16px rgba(0, 102, 255, 0.5);
  transform: translateY(-4px);
}

.scroll-to-top.show {
  display: flex;
}

/* 图片预览层 */
.image-preview-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.preview-header {
  position: absolute;
  top: 0;
  right: 0;
  padding: 16px;
  z-index: 201;
}

.preview-close {
  font-size: 32px;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: var(--transition);
}

.preview-close:hover {
  transform: rotate(90deg);
}

.preview-body {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  padding: 40px;
}

.preview-img {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
}

.preview-footer {
  display: flex;
  gap: 16px;
  padding: 24px;
  justify-content: center;
  z-index: 201;
}

.preview-prev,
.preview-next {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

.preview-prev:hover,
.preview-next:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .container {
    width: min(100% - 16px, var(--container));
  }

  .compass-header {
    padding: 12px 0;
  }

  .header-content {
    flex-direction: column;
    gap: 12px;
  }

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

  .logo {
    height: 32px;
  }

  .direction-label {
    font-size: 12px;
    order: 3;
    width: 100%;
    margin-top: 8px;
  }

  .nav-buttons {
    order: 2;
    width: 100%;
    gap: 8px;
    flex-wrap: nowrap;
  }

  .btn {
    padding: 6px 12px;
    font-size: 12px;
    flex: 1;
  }

  .module {
    padding: 48px 0;
  }

  .module h2 {
    font-size: 28px;
    margin-bottom: 8px;
  }

  .module-subtitle {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-section h1 {
    font-size: 28px;
  }

  .hero-text > p {
    font-size: 14px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .mobile-compass-btn {
    display: flex;
  }

  .quadrant-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .quadrant-card {
    padding: 16px;
  }

  .quadrant-explanation {
    padding: 20px;
  }

  .coordinates-diagram {
    padding: 20px;
  }

  .coordinates-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .directions-wheel {
    min-height: 280px;
  }

  .wheel-center {
    width: 100px;
    height: 100px;
    font-size: 14px;
  }

  .spoke-button {
    width: 80px;
    height: 80px;
    font-size: 11px;
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-110px) rotate(calc(-1 * var(--angle)));
  }

  .directions-explanation {
    padding: 20px;
  }

  .safety-boundary {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .preview-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .coordinates-buttons {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .coord-btn {
    padding: 10px;
    font-size: 12px;
  }

  .preview-mobile-slider {
    display: block;
  }

  .phone-frame {
    display: none;
  }

  .network-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .scene-navigator {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .calibration-buttons {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .calibration-checklist {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .check-item {
    padding: 12px;
  }

  .faq-container {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }

  .faq-directions {
    gap: 10px;
  }

  .faq-direction {
    padding: 12px;
    font-size: 13px;
  }

  .faq-toggle {
    padding: 12px;
    font-size: 13px;
  }

  .faq-answer {
    padding: 12px;
    font-size: 12px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mobile-compass-btn {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .scroll-to-top {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  :root {
    --container: 100%;
  }

  .container {
    width: 100%;
    padding: 0 16px;
  }

  .module {
    padding: 32px 0;
  }

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

  .module-subtitle {
    font-size: 13px;
    margin-bottom: 24px;
  }

  .hero-section h1 {
    font-size: 24px;
    line-height: 1.2;
  }

  .hero-text > p {
    font-size: 13px;
  }

  .safety-tip {
    padding: 10px 12px;
    font-size: 12px;
  }

  .quadrant-card {
    padding: 12px;
  }

  .quadrant-name {
    font-size: 14px;
  }

  .quadrant-desc {
    font-size: 12px;
  }

  .quadrant-explanation {
    padding: 16px;
  }

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

  .detail-list li {
    font-size: 12px;
  }

  .compass-header {
    position: static;
  }

  .compass-header.scrolled .header-container {
    padding: 12px 0;
  }

  .direction-label {
    display: none;
  }

  .nav-buttons {
    width: 100%;
  }

  .btn {
    font-size: 11px;
    padding: 6px 10px;
  }

  .coordinates-buttons {
    gap: 6px;
  }

  .coord-btn {
    padding: 8px;
    font-size: 11px;
  }

  .info-item h3 {
    font-size: 14px;
  }

  .info-item p {
    font-size: 12px;
  }

  .boundary-detail h3 {
    font-size: 16px;
  }

  .boundary-detail p,
  .boundary-detail .detail-list li {
    font-size: 12px;
  }

  .network-card .card-header h3 {
    font-size: 14px;
  }

  .card-list li {
    font-size: 12px;
  }

  .confirm-tag {
    font-size: 10px;
  }

  .scene-btn {
    padding: 12px;
    font-size: 13px;
  }

  .scene-result h3 {
    font-size: 16px;
  }

  .scene-result p,
  .scene-result li {
    font-size: 12px;
  }

  .calibration-buttons {
    grid-template-columns: 1fr;
  }

  .calib-btn {
    padding: 10px;
    font-size: 12px;
  }

  .faq-direction {
    padding: 12px;
    font-size: 12px;
  }

  .faq-toggle {
    padding: 12px;
    font-size: 12px;
  }

  .faq-question {
    font-size: 12px;
  }

  .faq-answer {
    padding: 10px;
    font-size: 11px;
  }

  .footer-brand {
    gap: 12px;
  }

  .footer-logo {
    width: 40px;
    height: 40px;
  }

  .brand-info h3 {
    font-size: 14px;
  }

  .brand-info p {
    font-size: 12px;
  }

  .footer-navigation h4,
  .footer-safety h4 {
    font-size: 12px;
  }

  .nav-list a,
  .footer-safety p {
    font-size: 12px;
  }

  .footer-disclaimer p {
    font-size: 11px;
  }
}