/* 数字筛选官网 —— 手机优先。默认样式就是手机效果，宽屏再增强。
   配色取自功能介绍视频：蓝 #2868ee、标题近黑 #0e1628、淡蓝灰底。
   为兼容微信 X5 内核等旧浏览器，不用 color-mix / inset / aspect-ratio。 */

:root {
  --blue: #2868ee;
  --blue-deep: #1b45b8;
  --blue-soft: #e8efff;
  --ink: #0e1628;
  --ink-2: #4a5468;
  --ink-3: #8a93a6;
  --bg: #f4f6fb;
  --bg-top: #e6ecfd;
  --card: #ffffff;
  --glass: rgba(244, 246, 251, 0.88);
  --line: rgba(14, 22, 40, 0.08);
  --soon-bg: #fff3e0;
  --soon-fg: #b45309;
  --shadow: 0 1px 2px rgba(14, 22, 40, 0.04), 0 10px 28px -14px rgba(14, 22, 40, 0.22);
  --shadow-lg: 0 30px 60px -28px rgba(26, 64, 160, 0.45);
  --radius: 18px;
  --wrap: 1080px;
  --gutter: 20px;
  --bar-h: 72px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #5b8cff;
    --blue-deep: #3c6cf0;
    --blue-soft: rgba(91, 140, 255, 0.16);
    --ink: #e9edf6;
    --ink-2: #aab3c5;
    --ink-3: #737d91;
    --bg: #0b1020;
    --bg-top: #111a36;
    --card: #141b2e;
    --glass: rgba(11, 16, 32, 0.86);
    --line: rgba(255, 255, 255, 0.08);
    --soon-bg: rgba(251, 191, 36, 0.14);
    --soon-fg: #fbbf24;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 30px -14px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 30px 60px -28px rgba(0, 0, 0, 0.8);
  }
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 64px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
svg { flex: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
[hidden] { display: none !important; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.topbar.is-scrolled { border-bottom-color: var(--line); }
.topbar__in { height: 56px; display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 800; letter-spacing: -0.01em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.topbar__nav { display: none; }
.topbar__help {
  margin-left: auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}
.topbar__cta { display: none; }

/* ---------- 首屏 ---------- */
.hero {
  padding: 12px 0 40px;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 62%);
}
.hero__in { display: grid; gap: 36px; }

.app-id { display: none; align-items: center; gap: 14px; margin-bottom: 22px; }
.app-id__icon { width: 72px; height: 72px; border-radius: 17px; box-shadow: 0 12px 26px -12px rgba(40, 104, 238, 0.6); }
.app-id__name { font-size: 21px; font-weight: 800; line-height: 1.25; letter-spacing: -0.01em; }
.app-id__name small { margin-left: 6px; font-size: 13px; font-weight: 600; color: var(--ink-3); letter-spacing: 0.04em; }
.app-id__sub { font-size: 14px; color: var(--ink-2); line-height: 1.45; }
.app-id__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 3px; font-size: 13px; color: var(--ink-3); line-height: 1.4; }
.app-id__meta i, .hero__small i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.6; }
.rating { display: inline-flex; align-items: center; gap: 3px; }
.rating svg { width: 14px; height: 14px; color: #f5a623; }
.rating b { color: var(--ink); font-weight: 800; }

.hero__title { font-size: 32px; font-size: clamp(30px, 8.6vw, 54px); line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; }
.hero__title em { font-style: normal; color: var(--blue); }
.hero__lead { margin-top: 12px; font-size: 16px; color: var(--ink-2); max-width: 30em; }
.hero__points { display: none; margin-top: 22px; gap: 10px; }
.hero__points li { display: flex; align-items: center; gap: 10px; font-size: 15.5px; font-weight: 600; }
.hero__points svg { width: 20px; height: 20px; padding: 3px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); }

/* 下载徽章：默认手机上竖排各占一行；主按钮（识别到的平台）为蓝色 */
.stores { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.store-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 60px;
  padding: 10px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.store-btn:active { transform: scale(0.98); }
.store-btn > svg { width: 26px; height: 26px; }
.store-btn span { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.store-btn small { font-size: 12px; font-weight: 500; opacity: 0.75; }
.store-btn b { font-size: 17.5px; font-weight: 800; letter-spacing: -0.01em; }
.store-btn.is-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 14px 26px -14px rgba(40, 104, 238, 0.85);
}
html.is-android .store-btn[data-android] { -webkit-box-ordinal-group: 0; order: -1; }

.stores__hint { margin-top: 12px; font-size: 14px; color: var(--ink-2); text-align: center; }
.hero__small { margin-top: 10px; font-size: 13px; color: var(--ink-3); display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 8px; }
.hero__small a { display: inline-flex; align-items: center; gap: 2px; color: var(--blue); font-weight: 700; }
.hero__small a svg { width: 15px; height: 15px; }

/* ---------- 视频 ---------- */
.hero__media { display: flex; flex-direction: column; align-items: center; }
.hero__media .stores { width: 100%; max-width: 420px; margin-top: 16px; }
.player {
  position: relative;
  width: 100%;
  max-width: 290px;
  border-radius: 30px;
  overflow: hidden;
  background: #ecf0fd;
  box-shadow: var(--shadow-lg);
}
.player::before { content: ""; display: block; padding-top: 177.78%; }
@supports (height: 100svh) {
  /* 可视高度减去顶栏、间距和第一个下载按钮后，按 9:16 反推宽度 */
  .player { max-width: max(230px, min(340px, calc((100svh - 212px) * 0.5625))); }
}
.player video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; background: #ecf0fd; }
.player__play {
  position: absolute;
  left: 50%;
  bottom: 9%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px 12px 18px;
  border: 0;
  border-radius: 999px;
  background: rgba(14, 22, 40, 0.84);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.55);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  transition: opacity 0.2s ease;
}
.player__play svg { width: 20px; height: 20px; }
.player.is-playing .player__play { opacity: 0; visibility: hidden; }
.player__bar { position: absolute; left: 20px; right: 20px; bottom: 12px; height: 3px; border-radius: 3px; background: rgba(14, 22, 40, 0.12); overflow: hidden; }
.player__bar i { display: block; height: 100%; background: var(--blue); -webkit-transform-origin: left; transform-origin: left; -webkit-transform: scaleX(0); transform: scaleX(0); }


/* ---------- 通用区块 ---------- */
.section { padding: 56px 0; }
.section--alt { background: var(--card); }
.head { text-align: center; margin-bottom: 26px; }
.head--sub { margin: 48px 0 18px; }
.pill {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.head h2 { margin-top: 10px; font-size: 26px; font-size: clamp(24px, 6.6vw, 36px); line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; }
.head--sub h2 { margin-top: 0; font-size: 22px; font-size: clamp(20px, 5.4vw, 28px); }
.head p { margin-top: 6px; font-size: 15px; color: var(--ink-2); }
.head--sub p { font-size: 13.5px; color: var(--ink-3); }

.soon {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--soon-bg);
  color: var(--soon-fg);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
  white-space: nowrap;
  vertical-align: middle;
}

/* ---------- 功能 ---------- */
.benefits { display: grid; gap: 12px; }
.benefit {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--bg);
}
.benefit__icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-soft);
  color: var(--blue);
}
.benefit__icon svg { width: 22px; height: 22px; }
.benefit h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 17px; font-weight: 800; line-height: 1.4; letter-spacing: -0.01em; }
.benefit p { margin-top: 4px; font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }

/* 截图横滑：整宽滚动，左右留出页边距 */
.gallery {
  display: flex;
  gap: 14px;
  padding: 4px var(--gutter) 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  -webkit-scroll-snap-type: x mandatory;
  scroll-snap-type: x mandatory;
  scroll-padding-left: var(--gutter);
  scrollbar-width: none;
}
.gallery::-webkit-scrollbar { display: none; }
.gallery li { position: relative; flex: 0 0 64%; max-width: 250px; scroll-snap-align: start; }
.gallery li:last-child { margin-right: var(--gutter); }
.gallery img { width: 100%; height: auto; border-radius: 22px; background: var(--bg-top); box-shadow: var(--shadow); }
.gallery .soon { position: absolute; left: 50%; bottom: 14px; -webkit-transform: translateX(-50%); transform: translateX(-50%); box-shadow: 0 4px 12px -4px rgba(0, 0, 0, 0.25); }

.gallery-nav { display: none; }
.soon-note { margin-top: 4px; font-size: 13px; color: var(--ink-3); text-align: center; }
.soon-note .soon { margin-right: 4px; }

/* 折叠面板（全部条件 / 小工具 / 常见问题） */
.more { display: grid; gap: 10px; margin-top: 26px; }
.fold { border-radius: var(--radius); background: var(--bg); }
.fold summary, .fold--link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}
.fold summary::-webkit-details-marker { display: none; }
.fold summary > svg, .fold--link > svg { margin-left: auto; width: 20px; height: 20px; color: var(--ink-3); transition: transform 0.2s ease; }
.fold[open] summary > svg { -webkit-transform: rotate(180deg); transform: rotate(180deg); }
.fold--link span { display: flex; flex-direction: column; }
.fold--link small { font-size: 13px; font-weight: 500; color: var(--ink-3); }
.fold__body { padding: 0 18px 18px; }
.fold__body p { font-size: 15px; color: var(--ink-2); line-height: 1.75; }
.fold__body p + .btn-line, .fold__body p + p { margin-top: 10px; }

.group + .group { margin-top: 16px; }
.group h4 { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 13px; font-weight: 700; color: var(--ink-3); }
.group h4 span { font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 5px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 14px; }
.tools-list { display: grid; gap: 12px; }
.tools-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 15px; }
.tools-list span { font-size: 14px; color: var(--ink-3); text-align: right; }

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid var(--blue);
  border-radius: 12px;
  background: transparent;
  color: var(--blue);
  font-size: 14.5px;
  font-weight: 700;
}

/* ---------- 安装教程 ---------- */
.tabs {
  display: flex;
  gap: 4px;
  max-width: 420px;
  margin: 0 auto 18px;
  padding: 4px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
}
.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 700;
}
.tab svg { width: 18px; height: 18px; }
.tab.is-active { background: var(--ink); color: var(--bg); }

.steps { display: grid; gap: 12px; }
.step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}
.step__mock {
  position: relative;
  flex: none;
  width: 126px;
  height: 92px;
  border-radius: 14px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.step__num {
  position: absolute;
  top: -8px;
  left: -8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  line-height: 26px;
  text-align: center;
  box-shadow: 0 0 0 3px var(--card);
}
.step h3 { font-size: 16px; font-weight: 800; line-height: 1.4; }
.step p { margin-top: 4px; font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.mock-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 8px 16px -8px rgba(40, 104, 238, 0.8);
}
.mock-btn svg { width: 15px; height: 15px; }
.mock-get { padding: 5px 20px; border-radius: 999px; background: #e9e9eb; color: #007aff; font-size: 15px; font-weight: 800; }
.mock-file { display: flex; align-items: center; gap: 5px; padding: 7px 11px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); font-size: 13px; font-weight: 800; }
.mock-file svg { width: 18px; height: 18px; color: #3ddc84; }
.mock-icon { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; }
.mock-icon img { width: 44px; height: 44px; border-radius: 11px; box-shadow: var(--shadow); }
.note {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--soon-bg);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}
.note b { color: var(--ink); }

.wx-tip {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(7, 193, 96, 0.1);
  border: 1px solid rgba(7, 193, 96, 0.35);
}
.wx-tip__icon {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: #07c160;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  line-height: 38px;
  text-align: center;
  letter-spacing: 0.05em;
}
.wx-tip b { display: block; font-size: 15px; line-height: 1.5; }
.wx-tip p { margin: 4px 0 10px; font-size: 14px; color: var(--ink-2); }

/* ---------- 常见问题 ---------- */
.faq { display: grid; gap: 10px; max-width: 760px; margin: 0 auto; }

/* ---------- 再次下载 ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 34px 22px 26px;
  border-radius: 28px;
  background: linear-gradient(150deg, #4a86ff 0%, #2868ee 45%, #1b3fa8 100%);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta__icon { width: 76px; height: 76px; margin: 0 auto 16px; border-radius: 18px; box-shadow: 0 14px 30px -12px rgba(0, 0, 0, 0.5); }
.cta h2 { font-size: 26px; font-size: clamp(24px, 6.6vw, 34px); line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; }
.cta > p { margin-top: 6px; font-size: 15px; opacity: 0.88; }
.cta .stores { max-width: 380px; margin-left: auto; margin-right: auto; }
.cta .store-btn { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.3); color: #fff; box-shadow: none; }
.cta .store-btn.is-primary { background: #fff; border-color: #fff; color: #1b3fa8; }
.cta__log { max-width: 380px; margin: 18px auto 0; text-align: left; font-size: 14px; }
.cta__log summary { display: flex; align-items: center; justify-content: center; gap: 4px; padding: 6px; opacity: 0.9; cursor: pointer; list-style: none; font-weight: 600; }
.cta__log summary::-webkit-details-marker { display: none; }
.cta__log summary svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.cta__log[open] summary svg { -webkit-transform: rotate(180deg); transform: rotate(180deg); }
.cta__log ul { margin-top: 8px; padding: 14px 16px 14px 32px; border-radius: 14px; background: rgba(255, 255, 255, 0.1); list-style: disc; line-height: 1.8; opacity: 0.95; }

/* ---------- 联系 ---------- */
.contact { display: grid; gap: 10px; }
.contact__item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  background: var(--bg);
  text-align: left;
}
.contact__icon { flex: none; width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; }
.contact__icon svg { width: 20px; height: 20px; }
.contact__item b { display: block; font-size: 15.5px; font-weight: 800; }
.contact__item b + span { display: block; font-size: 13.5px; color: var(--ink-2); word-break: break-all; }
.contact__item em { margin-left: 6px; font-style: normal; font-size: 12.5px; font-weight: 700; color: var(--blue); }

/* ---------- 页脚 ---------- */
.footer { padding: 28px 0 32px; font-size: 13px; color: var(--ink-3); text-align: center; }
.footer__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; margin-top: 6px; }

/* ---------- 手机端底部下载条 ---------- */
.dl-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px var(--gutter);
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--glass);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-top: 1px solid var(--line);
  transition: -webkit-transform 0.25s ease, transform 0.25s ease;
}
.dl-bar.is-hidden { -webkit-transform: translateY(110%); transform: translateY(110%); }
.dl-bar__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  border-radius: 14px;
  background: var(--blue);
  color: #fff;
  font-size: 16.5px;
  font-weight: 800;
}
.dl-bar__btn svg { width: 22px; height: 22px; }
.dl-bar__alt { font-size: 14px; font-weight: 700; color: var(--ink-2); white-space: nowrap; }
body.has-bar { padding-bottom: calc(var(--bar-h) + env(safe-area-inset-bottom, 0px)); }

/* ---------- 轻提示 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 300;
  max-width: calc(100% - 40px);
  padding: 11px 18px;
  border-radius: 14px;
  background: rgba(14, 22, 40, 0.9);
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
  opacity: 0;
  -webkit-transform: translate(-50%, 10px);
  transform: translate(-50%, 10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.toast.is-visible { opacity: 1; -webkit-transform: translate(-50%, 0); transform: translate(-50%, 0); }
body.has-bar .toast { bottom: calc(var(--bar-h) + 16px + env(safe-area-inset-bottom, 0px)); }

/* ---------- 微信引导层 ---------- */
.wx-guide {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 16px 20px 20px;
  padding-top: max(16px, env(safe-area-inset-top));
  background: rgba(14, 22, 40, 0.88);
  color: #fff;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.wx-guide__arrow { width: 64px; height: 96px; margin: 0 8px 12px 0; color: #7aa2ff; -webkit-animation: wx-bounce 1.2s ease-in-out infinite; animation: wx-bounce 1.2s ease-in-out infinite; }
@-webkit-keyframes wx-bounce { 0%, 100% { -webkit-transform: translateY(0); } 50% { -webkit-transform: translateY(-8px); } }
@keyframes wx-bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.wx-guide__body {
  align-self: stretch;
  padding: 24px 20px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.wx-guide__body h3 { margin-bottom: 18px; font-size: 21px; line-height: 1.35; font-weight: 800; }
.wx-steps { display: grid; gap: 14px; margin-bottom: 22px; }
.wx-steps li { display: flex; align-items: center; gap: 14px; }
.wx-steps__mock {
  flex: none;
  width: 92px;
  height: 46px;
  padding: 0 8px;
  border-radius: 11px;
  background: #fff;
  color: #0e1628;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 800;
}
.wx-steps__mock i { font-style: normal; font-size: 24px; line-height: 1; letter-spacing: 0.08em; }
.wx-steps__mock svg { width: 20px; height: 20px; }
.wx-steps b { display: block; margin-bottom: 1px; font-size: 12px; color: #9dbbff; letter-spacing: 0.05em; }
.wx-steps div { font-size: 16px; line-height: 1.45; }
.wx-steps small { display: block; margin-top: 2px; font-size: 12.5px; color: rgba(255, 255, 255, 0.7); }
.wx-guide__actions { display: grid; gap: 10px; }
.wx-guide__copy, .wx-guide__close {
  min-height: 50px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 800;
}
.wx-guide__copy { border: 0; background: #fff; color: #0e1628; }
.wx-guide__close { border: 1px solid rgba(255, 255, 255, 0.4); background: transparent; color: #fff; }

/* ---------- 中等宽度（大屏手机横屏 / 平板竖屏） ---------- */
@media (min-width: 560px) {
  .benefits, .contact { grid-template-columns: 1fr 1fr; }
  .gallery li { flex-basis: 240px; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 880px) {
  :root { --gutter: 32px; }
  html { scroll-padding-top: 76px; }
  .topbar__in { height: 64px; gap: 28px; }
  .topbar__nav { display: flex; gap: 26px; margin-left: auto; font-size: 15px; font-weight: 600; color: var(--ink-2); }
  .topbar__nav a:hover { color: var(--blue); }
  .topbar__help { display: none; }
  .topbar__cta {
    display: inline-flex;
    padding: 8px 18px;
    border-radius: 999px;
    background: var(--blue);
    color: #fff;
    font-size: 14.5px;
    font-weight: 800;
  }

  .hero { padding: 64px 0 80px; }
  .hero__in { grid-template-columns: minmax(0, 1fr) 340px; gap: 72px; align-items: center; }
  .hero__copy { -webkit-box-ordinal-group: 0; order: -1; }
  .app-id { display: flex; }
  .hero__points { display: grid; }
  .hero { padding: 48px 0 72px; }
  .app-id { margin-bottom: 28px; }
  .hero__lead { font-size: 18px; }
  .stores { flex-direction: row; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
  .store-btn { min-width: 216px; justify-content: flex-start; }
  .player, .hero__media .player { max-width: 290px; }
  .hero__media .stores { flex-direction: column; margin-top: 18px; }
  .hero__media .store-btn { min-width: 0; justify-content: center; }

  .section { padding: 96px 0; }
  .head { margin-bottom: 40px; }
  .head--sub { margin: 72px 0 24px; }
  .benefits { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .benefit { padding: 22px; }
  .gallery {
    padding-left: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter)));
    scroll-padding-left: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter)));
  }
  .gallery li { flex-basis: 236px; }
  .head--sub { position: relative; }
  .gallery-nav { display: flex; gap: 10px; justify-content: center; margin-top: 14px; }
  .gallery-nav button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--card);
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
  }
  .gallery-nav button:hover { color: var(--blue); border-color: var(--blue); }
  .gallery-nav svg { width: 20px; height: 20px; }
  .head--sub p { display: none; }
  .more { grid-template-columns: repeat(3, 1fr); align-items: start; }

  .steps { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .step { flex-direction: column; align-items: stretch; gap: 16px; padding: 20px; }
  .step__mock { width: 100%; height: 118px; }
  .note { grid-column: 1 / -1; }

  .cta { padding: 56px 40px 40px; }
  .cta .stores { max-width: none; justify-content: center; }
  .contact { grid-template-columns: repeat(4, 1fr); }

  .dl-bar { display: none !important; }
  body.has-bar { padding-bottom: 0; }
  body.has-bar .toast { bottom: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wx-guide__arrow { -webkit-animation: none; animation: none; }
}