/* ======================================================================
   灵芝粉分销系统 - 主题样式 v2
   设计语言：暖橙红主色 + 金色点缀 + 玻璃拟态 + 柔和阴影
   ====================================================================== */

:root {
  /* 主题色 */
  --brand-gradient: linear-gradient(135deg, #ff6b35 0%, #ff4444 100%);
  --brand-gradient-deep: linear-gradient(135deg, #ff8a5c 0%, #ff3333 100%);
  --brand: #ff4444;
  --brand-light: #ff6b35;
  --brand-dark: #e02e2e;
  --gold: #d4a853;
  --gold-light: #f5d98a;
  --warm-bg: #fff8f5;

  /* 功能色 */
  --success: #07c160;
  --warning: #ff8800;
  --danger: #ff4444;
  --info: #3684ff;

  /* 中性色 */
  --text: #1a1a1a;
  --text-2: #555;
  --text-3: #888;
  --text-4: #b0b0b0;
  --border: #eee;
  --border-light: #f5f5f5;
  --bg: #f7f8fa;
  --card: #ffffff;

  /* 阴影 */
  --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(255,68,68,0.08);
  --shadow-lg: 0 12px 40px rgba(255,68,68,0.12);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.06);

  /* 圆角 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* 尺寸 */
  --header-h: 56px;
  --tabbar-h: 60px;
}

/* ========== Reset ========== */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 15px; color: var(--text); }
img { display: block; max-width: 100%; }

/* ========== 容器 ========== */
.page {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg);
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  position: relative;
}

/* ========== 头部 ========== */
.header {
  background: var(--brand-gradient);
  color: #fff;
  padding: 14px 16px;
  padding-top: calc(14px + env(safe-area-inset-top));
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 20px rgba(255,68,68,0.35);
}
.header h1 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-align: center;
}
.header .back {
  position: absolute;
  left: 16px;
  top: calc(50% + env(safe-area-inset-top) / 2);
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: background 0.2s;
}
.header .back:active { background: rgba(255,255,255,0.35); }
.header .back::before {
  content: '‹';
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

/* ========== 底部 TabBar ========== */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  border-top: none;
  z-index: 100;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar .tab {
  flex: 1;
  text-align: center;
  padding: 8px 0 6px;
  font-size: 11px;
  color: var(--text-4);
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}
.tabbar .tab .icon {
  font-size: 24px;
  display: block;
  margin-bottom: 2px;
  transition: transform 0.25s;
}
.tabbar .tab.active {
  color: var(--brand);
  font-weight: 600;
}
.tabbar .tab.active .icon {
  transform: scale(1.15) translateY(-2px);
}
.tabbar .tab.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  background: var(--brand-gradient);
  border-radius: 2px;
}

/* ========== 卡片 ========== */
.card {
  background: var(--card);
  margin: 14px 14px 0;
  border-radius: var(--radius-md);
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.02);
}
.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--brand-gradient);
  border-radius: 2px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255,68,68,0.35);
}
.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px rgba(255,68,68,0.25);
}
.btn-outline {
  background: #fff;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}
.btn-outline:active {
  background: var(--warm-bg);
}
.btn-block {
  display: flex;
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
}
.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: var(--radius-pill); }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: var(--radius-md); }

/* ========== 表单 ========== */
.form-group {
  background: var(--card);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.form-item {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  transition: background 0.15s;
}
.form-item:last-child { border-bottom: none; }
.form-item:active { background: var(--warm-bg); }
.form-item label {
  width: 88px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
}
.form-item input, .form-item textarea, .form-item select {
  flex: 1;
  padding: 8px 12px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
}
.form-item input::placeholder { color: var(--text-4); }
.form-item .required { color: var(--danger); margin-left: 4px; font-weight: 600; }
.form-wrap { padding: 20px 16px; }

/* ========== 统计数字 ========== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.stat-item {
  background: #fff;
  padding: 18px 8px;
  text-align: center;
  position: relative;
  transition: background 0.2s;
}
.stat-num {
  font-size: 24px;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  font-weight: 500;
}

/* ========== 列表项 ========== */
.list-item {
  background: #fff;
  padding: 16px;
  margin-bottom: 10px;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
  border: 1px solid rgba(0,0,0,0.02);
}
.list-item:active {
  transform: scale(0.99);
  background: var(--warm-bg);
}
.list-item .title { font-weight: 600; color: var(--text); font-size: 15px; }
.list-item .sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.list-item .right { color: var(--brand); font-weight: 700; font-size: 15px; }

/* ========== 徽章 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.tag-success { background: rgba(7,193,96,0.12); color: var(--success); }
.tag-warning { background: rgba(255,136,0,0.12); color: var(--warning); }
.tag-danger  { background: rgba(255,68,68,0.12); color: var(--danger); }
.tag-info    { background: rgba(54,132,255,0.12); color: var(--info); }
.tag-gray    { background: rgba(0,0,0,0.06); color: var(--text-3); }

/* ========== 空状态 ========== */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
}
.empty .icon {
  font-size: 56px;
  margin-bottom: 16px;
  opacity: 0.5;
}
.empty div:last-child { font-size: 14px; }

/* ========== 加载 ========== */
.loading {
  text-align: center;
  padding: 28px;
  color: var(--text-4);
  font-size: 13px;
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(26,26,26,0.92);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  z-index: 9999;
  font-size: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  max-width: 80%;
  text-align: center;
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ======================================================================
   登录页
   ====================================================================== */
.login-page {
  min-height: 100vh;
  background: linear-gradient(160deg, #ff6b35 0%, #ff4444 50%, #e82e2e 100%);
  position: relative;
  overflow: hidden;
}
/* 装饰圆 */
.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.login-page::before {
  width: 300px; height: 300px;
  top: -100px; right: -80px;
}
.login-page::after {
  width: 200px; height: 200px;
  bottom: 20%; left: -60px;
  background: rgba(212,168,83,0.15);
}
.login-wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 80px 24px 24px;
  position: relative;
  z-index: 1;
}
.login-logo {
  text-align: center;
  color: #fff;
  margin-bottom: 50px;
}
.login-logo .brand-icon {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(20px);
  border-radius: 22px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.login-logo .title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.login-logo .sub {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 8px;
  letter-spacing: 1px;
}
.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: cardIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.login-tab {
  display: flex;
  margin-bottom: 28px;
  background: var(--border-light);
  border-radius: var(--radius-pill);
  padding: 4px;
}
.login-tab .tab {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-3);
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: all 0.25s;
}
.login-tab .tab.active {
  background: #fff;
  color: var(--brand);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ======================================================================
   首页
   ====================================================================== */
.home-banner {
  margin: 14px;
  background: var(--brand-gradient);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.home-banner::after {
  content: '';
  position: absolute;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  right: -40px; top: -40px;
}
.home-banner .banner-title {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}
.home-banner .banner-amount {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}
.home-banner .banner-sub {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

/* 九宫格 */
.home-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-light);
  margin: 14px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.home-item {
  background: #fff;
  padding: 18px 8px;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  position: relative;
}
.home-item:active {
  background: var(--warm-bg);
  transform: scale(0.96);
}
.home-item .icon {
  font-size: 30px;
  margin-bottom: 8px;
  display: inline-block;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08));
}
.home-item .name {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
}

/* 公告 */
.announcement-card {
  margin: 14px;
  background: linear-gradient(135deg, #fff9ef 0%, #fff 100%);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(212,168,83,0.2);
  box-shadow: var(--shadow-sm);
}
.announcement-card .title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: #8a6d2f;
  font-size: 14px;
  margin-bottom: 10px;
}
.announcement-card ul {
  list-style: none;
  padding: 0;
}
.announcement-card li {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.9;
  padding-left: 12px;
  position: relative;
}
.announcement-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ======================================================================
   抢单卡片
   ====================================================================== */
.grab-card {
  background: linear-gradient(135deg, #fff5f0 0%, #ffffff 100%);
  border: 1px solid rgba(255,107,53,0.15);
  border-radius: var(--radius-md);
  padding: 18px;
  margin: 12px 14px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.grab-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--brand-gradient);
}
.grab-card .top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.grab-card .amount {
  font-size: 26px;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.grab-card .fee-info {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  line-height: 1.6;
}
.grab-card .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255,107,53,0.25);
}

/* ======================================================================
   钱包
   ====================================================================== */
.wallet-hero {
  background: var(--brand-gradient);
  margin: 14px;
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.wallet-hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 50%);
  animation: shimmer 8s linear infinite;
}
@keyframes shimmer {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.wallet-hero .label {
  font-size: 13px;
  opacity: 0.9;
  margin-bottom: 8px;
  position: relative;
}
.wallet-hero .amount {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 1px;
  position: relative;
  text-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.wallet-hero .subs {
  display: flex;
  justify-content: space-around;
  margin-top: 20px;
  position: relative;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.wallet-hero .subs div div:first-child { font-size: 11px; opacity: 0.85; }
.wallet-hero .subs div div:last-child { font-weight: 600; margin-top: 2px; }

/* ======================================================================
   二叉树
   ====================================================================== */
.tree-node { text-align: center; }
.tree-box {
  display: inline-block;
  padding: 8px 18px;
  background: var(--brand-gradient);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 13px;
  margin: 6px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(255,68,68,0.3);
}
.tree-box.me {
  background: linear-gradient(135deg, #3684ff, #5b9bff);
  box-shadow: 0 4px 12px rgba(54,132,255,0.35);
}
.tree-box.empty {
  background: transparent;
  border: 1.5px dashed #ddd;
  color: var(--text-4);
  box-shadow: none;
}
.tree-box.out {
  background: linear-gradient(135deg, #999, #bbb);
  box-shadow: none;
  opacity: 0.8;
}
.tree-children {
  display: flex;
  justify-content: center;
  gap: 30px;
}

/* ======================================================================
   图片上传
   ====================================================================== */
.img-upload {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #f8f8f8, #f0f0f0);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  border: 1.5px dashed #ddd;
  cursor: pointer;
  transition: all 0.2s;
}
.img-upload:active { border-color: var(--brand); }
.img-upload img { width: 100%; height: 100%; object-fit: cover; }
.img-upload .add {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #ccc;
  font-weight: 300;
}

/* ======================================================================
   商城
   ====================================================================== */
.share-seller {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
  background: var(--card);
  border-radius: var(--radius-md);
  margin: 14px;
  box-shadow: var(--shadow-card);
}
.share-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(255,68,68,0.3);
  flex-shrink: 0;
}
.share-seller .info { flex: 1; }
.share-seller .nickname { font-weight: 600; font-size: 15px; }
.share-seller .mobile { font-size: 12px; color: var(--text-3); margin-top: 4px; }

.pay-info-box {
  margin: 14px;
  background: linear-gradient(135deg, #fafafa 0%, #fff 100%);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--border-light);
}
.pay-info-box .section-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ======================================================================
   灵芝粉商品
   ====================================================================== */
.product-showcase {
  text-align: center;
  padding: 28px 20px;
}
.product-emoji {
  font-size: 72px;
  margin-bottom: 12px;
  filter: drop-shadow(0 6px 20px rgba(0,0,0,0.1));
}
.product-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-price-big {
  color: var(--brand);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.product-price-big::before { content: '¥'; font-size: 20px; margin-right: 2px; }
.product-price-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 6px;
}
.product-features {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 2;
  text-align: left;
  background: var(--warm-bg);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--brand);
}

/* ======================================================================
   个人中心
   ====================================================================== */
.profile-header {
  background: var(--brand-gradient);
  margin: 14px;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}
.profile-header .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.3);
}
.profile-header .info { flex: 1; }
.profile-header .nickname { font-size: 18px; font-weight: 700; }
.profile-header .mobile { font-size: 13px; opacity: 0.9; margin-top: 2px; }
.profile-header .tags { margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }
.profile-header .tag {
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  backdrop-filter: blur(5px);
}
.profile-header .tag.success { background: rgba(7,193,96,0.5); }

/* 设置列表 */
.setting-list {
  background: #fff;
  margin: 14px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.setting-item {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.15s;
}
.setting-item:last-child { border-bottom: none; }
.setting-item:active { background: var(--warm-bg); }
.setting-item .icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(255,68,68,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.setting-item .label { flex: 1; font-weight: 500; font-size: 15px; }
.setting-item .arrow { color: var(--text-4); font-size: 18px; }

/* ======================================================================
   响应式（平板/桌面预览）
   ====================================================================== */
@media (min-width: 500px) {
  body { background: linear-gradient(180deg, #ffece4 0%, #f7f8fa 200px); }
  .page {
    border-left: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
  }
}