/* Tailwind CSS CDN（增强层） */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

/* ============================================================
   设计令牌
   ============================================================ */
:root {
  /* 主色 */
  --c-primary: #F4792E;
  --c-primary-dark: #D9601A;
  --c-green: #2F6F5E;
  --c-amber: #B45309;

  /* 背景 */
  --bg-page: #FFFDF9;
  --bg-card: #FFFFFF;
  --bg-soft: #F5F1EA;

  /* 文字 */
  --t-1: #1F2937;
  --t-2: #6B7280;
  --t-3: #9CA3AF;
  --t-inv: #FFFFFF;

  /* 功能色 */
  --ok: #16A34A;
  --warn: #F59E0B;
  --err: #DC2626;
  --blue: #2563EB;

  /* 圆角 */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-full: 999px;

  /* 阴影 */
  --sh-1: 0 1px 2px rgba(31, 41, 55, .05);
  --sh-2: 0 4px 16px rgba(31, 41, 55, .07);
  --sh-3: 0 12px 32px rgba(31, 41, 55, .10);
  --sh-orange: 0 8px 22px rgba(244, 121, 46, .32);

  /* 尺寸 */
  --topbar-h: 56px;
  --tabbar-h: 54px;
  --maxw: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ============================================================
   基础重置
   ============================================================ */
* { box-sizing: border-box; }

/* hidden 属性优先级最高，防止 display 覆盖导致元素未按预期隐藏 */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--t-1);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, p, ol, ul, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

.icon { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* ============================================================
   通用按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--r-full);
  font-size: 15px;
  font-weight: 600;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.96); }
.btn--sm { padding: 7px 14px; font-size: 13px; }
.btn--ghost {
  background: rgba(244, 121, 46, .10);
  color: var(--c-primary-dark);
}
.btn--ghost:hover { background: rgba(244, 121, 46, .18); }
.btn--outline {
  width: 100%;
  background: var(--bg-card);
  border: 1.5px solid rgba(244, 121, 46, .45);
  color: var(--c-primary-dark);
  padding: 13px 18px;
}
.btn--outline:hover { background: rgba(244, 121, 46, .07); }

/* ============================================================
   吸顶导航
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--topbar-h);
  background: rgba(255, 253, 249, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(31, 41, 55, .06);
}
.topbar__inner {
  max-width: var(--maxw);
  height: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand__mark {
  width: 34px; height: 34px;
  flex: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(244, 121, 46, .35);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.brand__sub { font-size: 11px; color: var(--t-3); }

/* ============================================================
   微信提示条
   ============================================================ */
.wxbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: linear-gradient(90deg, rgba(37, 99, 235, .10), rgba(37, 99, 235, .04));
  border-bottom: 1px solid rgba(37, 99, 235, .14);
  font-size: 13px;
  color: #1E40AF;
}
.wxbar__dot {
  width: 7px; height: 7px; flex: none;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .16);
  animation: pulse 1.8s infinite;
}
.wxbar__text { flex: 1; min-width: 0; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ============================================================
   头图
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 44px 16px 52px;
  background:
    radial-gradient(1100px 340px at 12% -10%, rgba(244, 121, 46, .16), transparent 62%),
    radial-gradient(760px 300px at 92% 8%, rgba(47, 111, 94, .13), transparent 60%),
    linear-gradient(180deg, #FFF7EF 0%, var(--bg-page) 100%);
}
.hero__glow {
  position: absolute;
  top: -120px; right: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 121, 46, .22), transparent 68%);
  filter: blur(12px);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: var(--maxw); margin: 0 auto; }
.hero__badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: rgba(244, 121, 46, .12);
  color: var(--c-primary-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .4px;
}
.hero__title {
  margin-top: 14px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.4px;
  background: linear-gradient(100deg, #1F2937 12%, var(--c-primary-dark) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__desc { margin-top: 10px; font-size: 15px; color: var(--t-2); }
.hero__pills { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--r-full);
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .07);
  box-shadow: var(--sh-1);
  font-size: 13px;
  color: var(--t-1);
  font-weight: 500;
}
.pill__ico {
  width: 17px; height: 17px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(22, 163, 74, .12);
  color: var(--ok);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}
.pill:nth-child(2) .pill__ico { background: rgba(244, 121, 46, .12); color: var(--c-primary-dark); }
.pill:nth-child(3) .pill__ico { background: rgba(37, 99, 235, .12); color: var(--blue); }

/* ============================================================
   清单导航标签
   ============================================================ */
.tabbar {
  position: sticky;
  top: var(--topbar-h);
  z-index: 55;
  height: var(--tabbar-h);
  background: rgba(255, 253, 249, .9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(31, 41, 55, .06);
}
.tabbar__scroll {
  max-width: var(--maxw);
  height: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.tabbar__scroll::-webkit-scrollbar { display: none; }
.tab {
  position: relative;
  flex: none;
  padding: 7px 15px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  color: var(--t-2);
  font-size: 14px;
  font-weight: 600;
  transition: all .2s var(--ease);
  white-space: nowrap;
}
.tab.is-active {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  box-shadow: 0 4px 12px rgba(244, 121, 46, .3);
}

/* ============================================================
   清单分区
   ============================================================ */
.lists {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 16px 0;
}
.list-card {
  scroll-margin-top: calc(var(--topbar-h) + var(--tabbar-h) + 12px);
  margin-top: 28px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.list-card.is-in { opacity: 1; transform: none; }

.list-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .06);
  border-bottom: 0;
  border-left: 4px solid var(--accent, var(--c-primary));
  box-shadow: var(--sh-2);
}
.list-head__bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.list-head__main { flex: 1; min-width: 0; }
.list-head__title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.2px;
}
.list-head__desc { margin-top: 4px; font-size: 13px; color: var(--t-2); }
.list-head__shop {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: none;
  padding: 8px 14px;
  border-radius: var(--r-full);
  background: var(--accent-soft, rgba(244, 121, 46, .10));
  color: var(--accent, var(--c-primary-dark));
  font-size: 13px;
  font-weight: 600;
  transition: transform .18s var(--ease), filter .18s var(--ease);
}
.list-head__shop:active { transform: scale(.95); }
.list-head__shop:hover { filter: brightness(.97); }
.list-head__shop .icon { width: 15px; height: 15px; }

/* ============================================================
   商品网格与卡片
   ============================================================ */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .06);
  border-top: 0;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--sh-2);
}

.card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-md);
  background: var(--bg-page);
  border: 1px solid rgba(31, 41, 55, .06);
  overflow: hidden;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-3);
  border-color: rgba(244, 121, 46, .28);
}
.card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--bg-soft), #EFE8DC);
  overflow: hidden;
}
.card__img { width: 100%; height: 100%; object-fit: cover; }
.card__ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 34px;
  opacity: .5;
}
.card__body { padding: 12px 13px 13px; display: flex; flex-direction: column; flex: 1; }
.card__name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__spec { margin-top: 4px; font-size: 12.5px; color: var(--t-3); }
.card__shop {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  margin-bottom: 6px;
  padding: 3px 8px;
  border: 0;
  border-radius: 999px;
  background: rgba(244, 121, 46, .10);
  color: #C2580F;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card__shop .icon { width: 12px; height: 12px; fill: currentColor; flex: none; }
.card__shop:active { transform: scale(.96); }
.card__note {
  margin-top: 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  background: rgba(245, 158, 11, .10);
  border-left: 3px solid var(--warn);
  font-size: 12.5px;
  color: #92400E;
  line-height: 1.5;
}
.card__foot { margin-top: auto; padding-top: 12px; }
.card__price {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-primary-dark);
  letter-spacing: -.3px;
}
.card__price small { font-size: 12px; font-weight: 500; color: var(--t-3); margin-left: 4px; }
.card__actions { margin-top: 10px; display: flex; gap: 8px; }

.buy {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  box-shadow: var(--sh-orange);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), opacity .18s var(--ease);
}
.buy:active { transform: scale(.96); box-shadow: 0 4px 12px rgba(244, 121, 46, .28); }
.buy:hover { box-shadow: 0 12px 26px rgba(244, 121, 46, .42); }
.buy .icon { width: 16px; height: 16px; }

.mini {
  flex: none;
  width: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .10);
  color: var(--t-2);
  transition: all .18s var(--ease);
}
.mini:hover { color: var(--err); border-color: rgba(220, 38, 38, .35); background: rgba(220, 38, 38, .05); }
.mini:active { transform: scale(.93); }
.mini .icon { width: 17px; height: 17px; }

.card__down {
  flex: 1;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  color: var(--t-3);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

/* 清单强调色（按索引轮换） */
.list-card[data-accent="0"] { --accent: #D9601A; --accent-soft: rgba(244, 121, 46, .10); }
.list-card[data-accent="1"] { --accent: #2F6F5E; --accent-soft: rgba(47, 111, 94, .10); }
.list-card[data-accent="2"] { --accent: #B45309; --accent-soft: rgba(245, 158, 11, .13); }
.list-card[data-accent="3"] { --accent: #2563EB; --accent-soft: rgba(37, 99, 235, .10); }
.list-card[data-accent="4"] { --accent: #9333EA; --accent-soft: rgba(147, 51, 234, .10); }

/* 窄屏：清单标题与店铺入口改为上下堆叠，避免挤压换行 */
@media (max-width: 639px) {
  .list-head { flex-wrap: wrap; row-gap: 12px; }
  .list-head__main { flex: 1 1 100%; }
  .list-head__shop { width: 100%; justify-content: center; padding: 10px 14px; }
}

/* ============================================================
   三步引导
   ============================================================ */
.howto {
  max-width: var(--maxw);
  margin: 44px auto 0;
  padding: 0 16px;
}
.section-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.2px;
  margin-bottom: 14px;
}
.steps { display: grid; grid-template-columns: 1fr; gap: 12px; }
.step {
  position: relative;
  padding: 18px;
  border-radius: var(--r-lg);
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .06);
  box-shadow: var(--sh-1);
}
.step__num {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(244, 121, 46, .3);
}
.step__title { margin-top: 10px; font-size: 16px; font-weight: 700; }
.step__desc { margin-top: 4px; font-size: 13.5px; color: var(--t-2); }

.notice {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, .07), rgba(37, 99, 235, .03));
  border: 1px solid rgba(37, 99, 235, .16);
}
.notice__hd { display: flex; align-items: center; gap: 8px; font-size: 15px; color: #1E40AF; }
.notice__ico {
  display: grid; place-items: center;
  width: 20px; height: 20px;
  flex: none;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.notice__bd { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: #1E3A8A; }
.notice__bd strong { background: rgba(37, 99, 235, .12); padding: 1px 5px; border-radius: 5px; }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  max-width: var(--maxw);
  margin: 40px auto 0;
  padding: 0 16px 40px;
}
.footer__card {
  padding: 20px;
  border-radius: var(--r-lg);
  background: var(--bg-card);
  border: 1px solid rgba(31, 41, 55, .06);
  box-shadow: var(--sh-1);
  text-align: center;
}
.footer__title { font-size: 17px; font-weight: 700; }
.footer__text { margin: 8px 0 14px; font-size: 13.5px; color: var(--t-2); line-height: 1.7; }
.footer__disclaimer {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--bg-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--t-2);
}
.footer__icp { margin-top: 14px; text-align: center; font-size: 12px; color: var(--t-3); }
.footer__icp a { color: inherit; text-decoration: none; }
.footer__icp a:hover { text-decoration: underline; }

/* ============================================================
   遮罩层 / 引导层 / 兜底面版
   ============================================================ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.overlay[hidden] { display: none; }
.overlay__mask {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, .55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: fadeIn .24s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.overlay__arrow {
  position: absolute;
  top: 8px; right: 14px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .5);
  animation: floatY 1.6s ease-in-out infinite;
}
.overlay__arrow svg { width: 52px; height: 40px; transform: rotate(4deg); }
.overlay__arrow span { background: rgba(17, 24, 39, .55); padding: 3px 9px; border-radius: var(--r-full); }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.guide, .sheet {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 14px 20px 26px;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: var(--bg-page);
  box-shadow: 0 -8px 40px rgba(17, 24, 39, .22);
  animation: slideUp .3s var(--ease);
  -webkit-overflow-scrolling: touch;
}
.sheet { background: var(--bg-card); }
@keyframes slideUp {
  from { transform: translateY(100%); opacity: .6; }
  to { transform: translateY(0); opacity: 1; }
}
.guide__grip {
  width: 38px; height: 4px;
  margin: 0 auto 12px;
  border-radius: var(--r-full);
  background: rgba(31, 41, 55, .16);
}
.guide__close {
  position: absolute;
  top: 10px; right: 12px;
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 24px;
  line-height: 1;
  color: var(--t-3);
  background: rgba(31, 41, 55, .06);
}
.guide__close:active { transform: scale(.9); }
.guide__title { font-size: 19px; font-weight: 700; padding-right: 34px; }
.guide__sub { margin-top: 6px; font-size: 13.5px; color: var(--t-2); }
.guide__item {
  margin-top: 12px;
  padding: 10px 13px;
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  font-size: 13.5px;
  color: var(--t-1);
  font-weight: 600;
  word-break: break-all;
}

.guide__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  text-align: left;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.guide__btn:active { transform: scale(.98); }
.guide__btn-ico {
  width: 40px; height: 40px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, .22);
  font-size: 19px;
}
.guide__btn-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.guide__btn-txt b { font-size: 15.5px; font-weight: 700; }
.guide__btn-txt i { font-size: 12.5px; font-style: normal; opacity: .85; line-height: 1.5; }
.guide__btn--primary {
  background: linear-gradient(135deg, var(--blue), #1D4ED8);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .32);
}
.guide__btn--orange {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  box-shadow: var(--sh-orange);
}
.guide__btn--plain {
  background: var(--bg-soft);
  color: var(--t-1);
  border: 1px solid rgba(31, 41, 55, .08);
}
.guide__btn--plain .guide__btn-ico { background: rgba(31, 41, 55, .07); }
.guide__btn[hidden] { display: none; }

.guide__tip {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--t-2);
  text-align: center;
  line-height: 1.6;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 42px;
  z-index: 300;
  transform: translate(-50%, 16px);
  max-width: 82vw;
  padding: 11px 18px;
  border-radius: var(--r-full);
  background: rgba(17, 24, 39, .92);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .26s var(--ease), transform .26s var(--ease);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   空状态
   ============================================================ */
.empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--t-3);
}
.empty__ico { font-size: 40px; }
.empty__txt { margin-top: 10px; font-size: 14px; }

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 18px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .hero { padding: 60px 20px 64px; }
  .hero__title { font-size: 36px; }
  .howto, .footer, .lists { padding-left: 20px; padding-right: 20px; }
  .topbar__inner { padding: 0 20px; }
  .tabbar__scroll { padding: 0 20px; }
}

@media (min-width: 1024px) {
  :root { --topbar-h: 62px; --tabbar-h: 58px; }
  .grid { grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 20px; }
  .hero__title { font-size: 42px; }
  .hero__desc { font-size: 16px; }
  .list-head { padding: 18px 22px; }
  .list-head__title { font-size: 21px; }
}

@media (min-width: 1280px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}