diff --git a/h5/css/style.css b/h5/css/style.css
new file mode 100644
index 0000000..871b939
--- /dev/null
+++ b/h5/css/style.css
@@ -0,0 +1,814 @@
+@import 'variables.css';
+
+/* ========================================
+   页面容器
+   ======================================== */
+.page {
+  min-height: 100vh;
+  background-color: var(--color-bg);
+  padding-bottom: 60px;
+}
+
+.page-content {
+  padding: 16px;
+  padding-bottom: 80px;
+}
+
+/* ========================================
+   顶栏
+   ======================================== */
+.header {
+  position: sticky;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 100;
+  background-color: var(--color-primary);
+  color: #ffffff;
+  padding: 14px 16px;
+  font-size: 17px;
+  font-weight: 600;
+  text-align: center;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+}
+
+.header-title {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+}
+
+.header-icon {
+  width: 20px;
+  height: 20px;
+}
+
+/* ========================================
+   卡片
+   ======================================== */
+.card {
+  background-color: var(--color-card);
+  border-radius: 12px;
+  padding: 16px;
+  margin-bottom: 12px;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+}
+
+.card-title {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--color-text);
+  margin-bottom: 12px;
+  padding-bottom: 12px;
+  border-bottom: 1px solid var(--color-border);
+}
+
+.card-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+}
+
+.card-body {
+  color: var(--color-text-secondary);
+  font-size: 14px;
+  line-height: 1.6;
+}
+
+/* ========================================
+   统计卡片网格
+   ======================================== */
+.stat-grid {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 12px;
+  margin-bottom: 16px;
+}
+
+.stat-card {
+  background-color: var(--color-card);
+  border-radius: 12px;
+  padding: 16px;
+  text-align: center;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+}
+
+.stat-label {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+  margin-bottom: 6px;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.stat-value {
+  font-size: 28px;
+  font-weight: 700;
+  color: var(--color-primary);
+  line-height: 1.2;
+}
+
+.stat-sub {
+  font-size: 11px;
+  color: var(--color-text-secondary);
+  margin-top: 4px;
+}
+
+.stat-icon {
+  width: 40px;
+  height: 40px;
+  margin: 0 auto 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 50%;
+  background-color: var(--color-bg);
+}
+
+/* ========================================
+   按钮
+   ======================================== */
+.btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 10px 20px;
+  font-size: 14px;
+  font-weight: 500;
+  border-radius: 8px;
+  border: none;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  gap: 6px;
+}
+
+.btn:active {
+  transform: scale(0.98);
+  opacity: 0.9;
+}
+
+.btn-primary {
+  background-color: var(--color-primary);
+  color: #ffffff;
+}
+
+.btn-primary:hover {
+  background-color: var(--color-primary-light);
+}
+
+.btn-secondary {
+  background-color: var(--color-bg);
+  color: var(--color-text);
+  border: 1px solid var(--color-border);
+}
+
+.btn-secondary:hover {
+  background-color: var(--color-border);
+}
+
+.btn-danger {
+  background-color: var(--color-danger);
+  color: #ffffff;
+}
+
+.btn-danger:hover {
+  opacity: 0.9;
+}
+
+.btn-block {
+  display: flex;
+  width: 100%;
+  padding: 12px 20px;
+  font-size: 15px;
+}
+
+.btn-sm {
+  padding: 6px 12px;
+  font-size: 12px;
+}
+
+.btn-icon {
+  width: 36px;
+  height: 36px;
+  padding: 0;
+  border-radius: 50%;
+}
+
+/* ========================================
+   底部Tab栏
+   ======================================== */
+.tab-bar {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  height: 60px;
+  background-color: var(--color-card);
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
+  z-index: 100;
+}
+
+.tab-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 3px;
+  color: var(--color-text-secondary);
+  font-size: 11px;
+  cursor: pointer;
+  transition: color 0.2s ease;
+  -webkit-tap-highlight-color: transparent;
+}
+
+.tab-item.active {
+  color: var(--color-primary);
+}
+
+.tab-item-icon {
+  width: 22px;
+  height: 22px;
+}
+
+.tab-item-text {
+  font-weight: 500;
+}
+
+/* ========================================
+   子Tab
+   ======================================== */
+.sub-tabs {
+  display: flex;
+  background-color: var(--color-card);
+  border-bottom: 1px solid var(--color-border);
+  padding: 0 12px;
+  gap: 8px;
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+}
+
+.sub-tabs::-webkit-scrollbar {
+  display: none;
+}
+
+.sub-tab {
+  padding: 12px 16px;
+  font-size: 14px;
+  color: var(--color-text-secondary);
+  white-space: nowrap;
+  cursor: pointer;
+  border-bottom: 2px solid transparent;
+  transition: all 0.2s ease;
+}
+
+.sub-tab.active {
+  color: var(--color-primary);
+  border-bottom-color: var(--color-primary);
+  font-weight: 600;
+}
+
+.sub-tab:hover:not(.active) {
+  color: var(--color-text);
+}
+
+/* ========================================
+   列表项
+   ======================================== */
+.list-item {
+  display: flex;
+  align-items: center;
+  padding: 14px 16px;
+  background-color: var(--color-card);
+  border-bottom: 1px solid var(--color-border);
+  cursor: pointer;
+  transition: background-color 0.15s ease;
+}
+
+.list-item:first-child {
+  border-top-left-radius: 12px;
+  border-top-right-radius: 12px;
+}
+
+.list-item:last-child {
+  border-bottom-left-radius: 12px;
+  border-bottom-right-radius: 12px;
+  border-bottom: none;
+}
+
+.list-item:active {
+  background-color: var(--color-bg);
+}
+
+.list-item-icon {
+  width: 40px;
+  height: 40px;
+  border-radius: 10px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background-color: var(--color-bg);
+  margin-right: 12px;
+  flex-shrink: 0;
+}
+
+.list-item-icon svg {
+  width: 20px;
+  height: 20px;
+  color: var(--color-primary);
+}
+
+.list-item-content {
+  flex: 1;
+  min-width: 0;
+}
+
+.list-item-title {
+  font-size: 15px;
+  font-weight: 500;
+  color: var(--color-text);
+  margin-bottom: 2px;
+}
+
+.list-item-desc {
+  font-size: 13px;
+  color: var(--color-text-secondary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.list-item-arrow {
+  width: 16px;
+  height: 16px;
+  color: var(--color-text-secondary);
+  margin-left: 8px;
+  flex-shrink: 0;
+}
+
+/* ========================================
+   设备卡片网格
+   ======================================== */
+.device-grid {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 12px;
+  padding: 12px;
+}
+
+.device-card {
+  background-color: var(--color-card);
+  border-radius: 12px;
+  padding: 14px;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+  cursor: pointer;
+  transition: transform 0.2s ease, box-shadow 0.2s ease;
+}
+
+.device-card:active {
+  transform: scale(0.98);
+}
+
+.device-card-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  margin-bottom: 10px;
+}
+
+.device-card-icon {
+  width: 44px;
+  height: 44px;
+  border-radius: 10px;
+  background-color: var(--color-bg);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.device-card-icon svg {
+  width: 24px;
+  height: 24px;
+  color: var(--color-primary);
+}
+
+.device-card-status {
+  padding: 3px 8px;
+  border-radius: 10px;
+  font-size: 11px;
+  font-weight: 500;
+}
+
+.device-card-status.online {
+  background-color: rgba(34, 197, 94, 0.12);
+  color: var(--color-online);
+}
+
+.device-card-status.offline {
+  background-color: rgba(156, 163, 175, 0.12);
+  color: var(--color-offline);
+}
+
+.device-card-name {
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--color-text);
+  margin-bottom: 4px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.device-card-model {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+  margin-bottom: 6px;
+}
+
+.device-card-location {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.device-card-location svg {
+  width: 12px;
+  height: 12px;
+}
+
+/* ========================================
+   预警列表项
+   ======================================== */
+.alert-item {
+  display: flex;
+  padding: 14px 16px;
+  background-color: var(--color-card);
+  border-radius: 12px;
+  margin-bottom: 10px;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
+  cursor: pointer;
+  transition: transform 0.15s ease;
+}
+
+.alert-item:active {
+  transform: scale(0.99);
+}
+
+.alert-icon {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-right: 12px;
+  flex-shrink: 0;
+}
+
+.alert-icon svg {
+  width: 20px;
+  height: 20px;
+}
+
+.alert-icon.danger {
+  background-color: rgba(249, 115, 22, 0.12);
+  color: var(--color-danger);
+}
+
+.alert-icon.warning {
+  background-color: rgba(234, 179, 8, 0.12);
+  color: var(--color-warning);
+}
+
+.alert-icon.handled {
+  background-color: rgba(156, 163, 175, 0.12);
+  color: var(--color-offline);
+}
+
+.alert-content {
+  flex: 1;
+  min-width: 0;
+}
+
+.alert-title {
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--color-text);
+  margin-bottom: 4px;
+  line-height: 1.4;
+}
+
+.alert-meta {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+  display: flex;
+  gap: 12px;
+  flex-wrap: wrap;
+}
+
+.alert-meta-item {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+/* ========================================
+   表单
+   ======================================== */
+.form-group {
+  margin-bottom: 16px;
+}
+
+.form-label {
+  display: block;
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--color-text);
+  margin-bottom: 8px;
+}
+
+.form-label-required::after {
+  content: ' *';
+  color: var(--color-danger);
+}
+
+.form-input {
+  width: 100%;
+  padding: 10px 14px;
+  font-size: 14px;
+  color: var(--color-text);
+  background-color: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: 8px;
+  outline: none;
+  transition: border-color 0.2s ease, box-shadow 0.2s ease;
+}
+
+.form-input:focus {
+  border-color: var(--color-primary);
+  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
+}
+
+.form-input::placeholder {
+  color: var(--color-text-secondary);
+}
+
+.form-input:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+textarea.form-input {
+  min-height: 100px;
+  resize: vertical;
+  line-height: 1.5;
+}
+
+.form-select {
+  width: 100%;
+  padding: 10px 36px 10px 14px;
+  font-size: 14px;
+  color: var(--color-text);
+  background-color: var(--color-bg);
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right 12px center;
+  border: 1px solid var(--color-border);
+  border-radius: 8px;
+  outline: none;
+  cursor: pointer;
+  -webkit-appearance: none;
+  appearance: none;
+  transition: border-color 0.2s ease;
+}
+
+.form-select:focus {
+  border-color: var(--color-primary);
+}
+
+.form-hint {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+  margin-top: 6px;
+}
+
+.form-error {
+  font-size: 12px;
+  color: var(--color-danger);
+  margin-top: 6px;
+}
+
+/* ========================================
+   图片上传
+   ======================================== */
+.photo-grid {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 10px;
+}
+
+.photo-item {
+  aspect-ratio: 1;
+  border-radius: 8px;
+  overflow: hidden;
+  position: relative;
+  background-color: var(--color-bg);
+}
+
+.photo-item img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.photo-item-delete {
+  position: absolute;
+  top: 6px;
+  right: 6px;
+  width: 22px;
+  height: 22px;
+  border-radius: 50%;
+  background-color: rgba(0, 0, 0, 0.5);
+  color: #ffffff;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+}
+
+.photo-item-delete svg {
+  width: 14px;
+  height: 14px;
+}
+
+.photo-add {
+  aspect-ratio: 1;
+  border-radius: 8px;
+  border: 1px dashed var(--color-border);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  cursor: pointer;
+  transition: border-color 0.2s ease, background-color 0.2s ease;
+  background-color: var(--color-bg);
+}
+
+.photo-add:hover {
+  border-color: var(--color-primary);
+  background-color: rgba(30, 58, 95, 0.04);
+}
+
+.photo-add-icon {
+  width: 28px;
+  height: 28px;
+  color: var(--color-text-secondary);
+}
+
+.photo-add-text {
+  font-size: 12px;
+  color: var(--color-text-secondary);
+}
+
+/* ========================================
+   Toast提示
+   ======================================== */
+.toast {
+  position: fixed;
+  top: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 9999;
+  padding: 12px 24px;
+  background-color: rgba(0, 0, 0, 0.75);
+  color: #ffffff;
+  border-radius: 8px;
+  font-size: 14px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  animation: toast-in 0.3s ease forwards;
+  max-width: 80%;
+  text-align: center;
+}
+
+.toast.success {
+  background-color: var(--color-success);
+}
+
+.toast.warning {
+  background-color: var(--color-warning);
+}
+
+.toast.error {
+  background-color: var(--color-danger);
+}
+
+@keyframes toast-in {
+  0% {
+    opacity: 0;
+    transform: translateX(-50%) translateY(-20px);
+  }
+  100% {
+    opacity: 1;
+    transform: translateX(-50%) translateY(0);
+  }
+}
+
+@keyframes toast-out {
+  0% {
+    opacity: 1;
+    transform: translateX(-50%) translateY(0);
+  }
+  100% {
+    opacity: 0;
+    transform: translateX(-50%) translateY(-20px);
+  }
+}
+
+/* ========================================
+   空状态
+   ======================================== */
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 60px 20px;
+  text-align: center;
+}
+
+.empty-state-icon {
+  width: 80px;
+  height: 80px;
+  margin-bottom: 16px;
+  color: var(--color-text-secondary);
+  opacity: 0.5;
+}
+
+.empty-state-text {
+  font-size: 14px;
+  color: var(--color-text-secondary);
+  margin-bottom: 20px;
+}
+
+.empty-state-action {
+  margin-top: 8px;
+}
+
+/* ========================================
+   辅助类
+   ======================================== */
+.text-primary { color: var(--color-primary); }
+.text-danger { color: var(--color-danger); }
+.text-warning { color: var(--color-warning); }
+.text-success { color: var(--color-success); }
+.text-secondary { color: var(--color-text-secondary); }
+
+.bg-primary { background-color: var(--color-primary); }
+.bg-danger { background-color: var(--color-danger); }
+.bg-warning { background-color: var(--color-warning); }
+.bg-success { background-color: var(--color-success); }
+
+.border-radius { border-radius: 8px; }
+.border-radius-lg { border-radius: 12px; }
+.border-radius-full { border-radius: 50%; }
+
+.shadow { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
+.shadow-md { box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); }
+.shadow-lg { box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1); }
+
+/* Flex utilities */
+.flex-1 { flex: 1; }
+.flex-shrink-0 { flex-shrink: 0; }
+.flex-wrap { flex-wrap: wrap; }
+
+/* Spacing */
+.mt-1 { margin-top: 4px; }
+.mt-4 { margin-top: 16px; }
+.mb-1 { margin-bottom: 4px; }
+.mb-2 { margin-bottom: 8px; }
+.mb-4 { margin-bottom: 16px; }
+.mx-auto { margin-left: auto; margin-right: auto; }
+
+/* Grid */
+.grid-2 { grid-template-columns: repeat(2, 1fr); }
+.grid-3 { grid-template-columns: repeat(3, 1fr); }
+.grid-4 { grid-template-columns: repeat(4, 1fr); }
+
+/* Divider */
+.divider {
+  height: 1px;
+  background-color: var(--color-border);
+  margin: 16px 0;
+}
+
+.divider-vertical {
+  width: 1px;
+  background-color: var(--color-border);
+  margin: 0 16px;
+}