/* aiziyun.com 各子站共用样式。手机优先，跟随系统浅色 / 深色。 */
:root {
  --bg: #f7f6fb;
  --surface: #ffffff;
  --surface-2: #f0eef8;
  --text: #1d1b26;
  --muted: #6a6778;
  --line: rgba(29, 27, 38, 0.1);
  --accent: #5b4fd6;
  --accent-2: #8a4fd6;
  --accent-soft: rgba(91, 79, 214, 0.1);
  --shadow: 0 18px 40px -20px rgba(43, 32, 120, 0.35);
  --radius: 22px;
  --wrap: 1080px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e14;
    --surface: #1a1922;
    --surface-2: #23212e;
    --text: #f1eff8;
    --muted: #a19eb2;
    --line: rgba(241, 239, 248, 0.12);
    --accent: #9a8cff;
    --accent-2: #c48cff;
    --accent-soft: rgba(154, 140, 255, 0.14);
    --shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.7);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 20; background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 10px; }
.skip:focus { top: 12px; }
html { scroll-padding-top: 72px; }
img, video { max-width: 100%; height: auto; display: block; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }

/* MARK: 页头页脚 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; min-height: 56px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.site-nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { color: var(--muted); padding: 6px 10px; border-radius: 999px; font-size: 15px; white-space: nowrap; }
.site-nav a:hover { color: var(--text); text-decoration: none; background: var(--surface-2); }
.site-nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
@media (max-width: 640px) {
  .site-header { position: static; }
  .site-nav { order: 3; margin-left: -10px; width: calc(100% + 20px); padding-bottom: 8px; }
}
.header-cta { order: 2; margin-left: 12px; }
@media (min-width: 641px) { .header-cta { order: 3; margin-left: 4px; } }
@media (max-width: 640px) { .header-cta { margin-left: auto; } }

.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
.site-footer p { margin: 6px 0; }
.site-footer a { color: var(--muted); }
.site-footer .police { display: inline-flex; align-items: center; gap: 4px; }
.site-footer .police-icon { width: 18px; height: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 10px; }

/* MARK: 按钮 */
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 28px 0 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 16px;
  border: 1px solid transparent; transition: transform .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--text); color: var(--bg); }
.btn.small { padding: 6px 14px; font-size: 14px; }
.btn.secondary { border-color: var(--line); color: var(--text); background: var(--surface); }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.fine { color: var(--muted); font-size: 14px; margin: 0; }

/* MARK: 首页 */
.home section { padding: 56px 0; }
.hero { padding-top: 40px !important; }
.hero .wrap { display: grid; gap: 40px; align-items: center; }
.hero-icon { width: 88px; height: 88px; border-radius: 22px; box-shadow: var(--shadow); margin-bottom: 22px; }
.hero h1 { font-size: clamp(34px, 7vw, 54px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 19px; color: var(--muted); margin: 0; max-width: 34em; }
.hero-media { display: flex; justify-content: center; }
@media (min-width: 860px) {
  .hero .wrap { grid-template-columns: 1.1fr 0.9fr; }
}

.phone {
  width: min(300px, 78vw); border-radius: 36px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface);
}
.phone img, .phone video { width: 100%; }
.wide { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }

.feature .wrap { display: grid; gap: 32px; align-items: center; }
.feature + .feature { border-top: 1px solid var(--line); }
.eyebrow { color: var(--accent); font-weight: 650; font-size: 14px; letter-spacing: .04em; margin: 0 0 8px; }
.feature h2 { font-size: clamp(26px, 5vw, 36px); line-height: 1.25; margin: 0 0 14px; letter-spacing: -0.01em; }
.feature ul { padding: 0; margin: 18px 0 22px; list-style: none; }
.feature li { position: relative; padding-left: 26px; margin: 8px 0; }
.feature li::before {
  content: ""; position: absolute; left: 4px; top: .62em; width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.feature-media { display: flex; justify-content: center; gap: 16px; }
.feature-media .phone { width: min(260px, 44vw); }
@media (min-width: 860px) {
  .feature .wrap { grid-template-columns: 1fr 1fr; }
  .feature.flip .feature-text { order: 2; }
}

.tiles { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 26px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.tile h3 { margin: 10px 0 4px; font-size: 18px; }
.tile p { margin: 0; color: var(--muted); font-size: 15px; }
.tile .symbol {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 20px;
}
/* 总览卡片整张可点，跳到下面对应的板块；桌面上导航栏固定在顶部，跳转时留出它的高度。 */
.home section[id] { scroll-margin-top: 56px; }
.home .overview { padding-top: 0; }
.overview .tiles { margin-top: 0; }
a.tile { display: block; color: inherit; text-decoration: none; transition: transform .15s, border-color .15s; }
a.tile:hover { transform: translateY(-2px); border-color: var(--accent); text-decoration: none; }
/* 手机上三张卡竖排太占地方：图标放左边，一张卡一行。 */
@media (max-width: 640px) {
  .overview .tile { display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; padding: 16px; }
  .overview .tile .symbol { grid-row: span 2; }
  .overview .tile h3 { margin: 0 0 2px; }
}
.why h2 { font-size: clamp(26px, 5vw, 36px); margin: 0; letter-spacing: -0.01em; }
.why .tile { text-align: left; }
.why .tile h3 { margin-top: 0; }
.center { text-align: center; }
.center .lead { margin: 0 auto; }
.center .actions { justify-content: center; }

.promise {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  border-radius: 28px; padding: 36px 28px; text-align: center;
}
.promise h2 { margin: 0 0 8px; font-size: clamp(22px, 4vw, 30px); }
.promise p { margin: 0 auto; max-width: 36em; opacity: .92; }
.promise a { color: #fff; text-decoration: underline; }

/* MARK: 文章页（教程、常见问题、政策） */
.article { padding-top: 32px; }
.article h1 { font-size: clamp(28px, 6vw, 38px); line-height: 1.25; margin: 8px 0 20px; letter-spacing: -0.01em; }
.article h2 { font-size: 23px; margin: 44px 0 10px; padding-top: 4px; }
.article h3 { font-size: 19px; margin: 28px 0 6px; }
.article p, .article li { color: var(--text); }
.article ul, .article ol { padding-left: 1.3em; }
.article li { margin: 4px 0; }
.article hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.article code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: .92em; }
.media { display: flex; flex-wrap: wrap; gap: 16px; margin: 20px 0 26px; }
.media figure { margin: 0; flex: 0 1 280px; }
.media.single figure { flex-basis: 300px; }
.media figure img, .media figure video {
  border-radius: 24px; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface);
}
.media figcaption { color: var(--muted); font-size: 14px; margin-top: 8px; text-align: center; }
/* 横图（对比图、样式拼图）占满一行。 */
.media figure:has(img[src*="glass-"]), .media figure:has(img[src*="four-styles"]) { flex-basis: 100%; }
@media (max-width: 640px) {
  .media.gallery figure { flex-basis: calc(50% - 8px); }
  .media figure img, .media figure video { border-radius: 18px; }
}
.callout { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px 20px; margin: 20px 0; }

/* MARK: 作品集主页（www） */
.folio-hero { padding: 72px 0 32px !important; text-align: center; }
.folio-hero .wrap { display: block; }
.folio-hero .lead { margin: 0 auto; }
.folio-hero .actions { justify-content: center; }
.section-title { font-size: clamp(26px, 5vw, 34px); margin: 0 0 22px; letter-spacing: -0.01em; }

/* 作品展示：左边介绍，右边两台手机叠放；手机上图片在下面。 */
.showcase {
  display: grid; gap: 24px; overflow: hidden; border-radius: 32px; padding: 32px;
  background:
    radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 60%),
    radial-gradient(80% 100% at 0% 100%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
    var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.showcase-head { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.showcase-head img { width: 72px; height: 72px; border-radius: 18px; box-shadow: var(--shadow); }
.showcase-head h3 { margin: 0; font-size: 28px; letter-spacing: -0.01em; }
.showcase .lead { font-size: 18px; }
.showcase-points { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.showcase-points li { background: color-mix(in srgb, var(--surface) 70%, transparent); border: 1px solid var(--line); border-radius: 14px; padding: 10px 14px; font-size: 15px; color: var(--muted); }
.showcase-points strong { display: block; color: var(--text); font-size: 16px; }
.showcase .actions { margin-bottom: 0; }
.showcase-media { position: relative; display: flex; justify-content: center; min-height: 380px; }
.showcase-media .phone { position: absolute; width: min(220px, 46vw); border-radius: 30px; }
.showcase-media .front { left: 50%; top: 0; transform: translateX(-28%) rotate(4deg); }
.showcase-media .back { left: 50%; top: 36px; transform: translateX(-82%) rotate(-6deg); opacity: .9; }
@media (min-width: 900px) {
  .showcase { grid-template-columns: 1fr 0.9fr; padding: 44px; align-items: center; }
  .showcase-media { min-height: 520px; }
  .showcase-media .phone { width: 240px; }
  .showcase-media .front { top: 10px; }
  .showcase-media .back { top: 56px; }
}
@media (max-width: 640px) {
  .showcase { padding: 22px; border-radius: 24px; }
  .showcase-media { min-height: 0; height: min(400px, 96vw); margin: 4px -22px -60px; }
}
.upcoming { margin-top: 16px; border: 1px dashed var(--line); border-radius: 20px; padding: 18px 22px; color: var(--muted); }
.upcoming p { margin: 0; }
.upcoming strong { color: var(--text); }
.principles .symbol { font-size: 18px; font-weight: 700; }
@media (max-width: 640px) {
  .principles .tile { display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; padding: 16px; }
  .principles .tile .symbol { grid-row: span 2; }
  .principles .tile h3 { margin: 0 0 2px; }
}

.contact {
  text-align: center; border-radius: 28px; padding: 40px 24px;
  background: var(--surface); border: 1px solid var(--line);
}
.contact h2 { margin: 0 0 8px; font-size: clamp(22px, 4vw, 30px); }
.contact p { margin: 0 auto; max-width: 30em; color: var(--muted); }
.contact .actions { justify-content: center; margin: 22px 0 10px; }

/* MARK: 扫码下载（只在电脑上显示：电脑装不了 iPhone App，扫码直接去 App Store） */
.qr { display: none; align-items: center; gap: 14px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.qr img { width: 92px; height: 92px; border-radius: 12px; background: #fff; padding: 6px; border: 1px solid var(--line); image-rendering: pixelated; }
@media (min-width: 860px) and (hover: hover) { .qr { display: flex; } }

/* MARK: 教程目录 */
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 14px 20px; margin: 4px 0 28px; }
.toc p { margin: 0 0 4px; font-weight: 650; font-size: 15px; color: var(--muted); }
.toc ol { margin: 0; padding-left: 1.3em; columns: 2 220px; column-gap: 28px; }
.toc li { margin: 2px 0; font-size: 15px; break-inside: avoid; }

/* MARK: 常见问题：点问题展开答案 */
.qa { border-bottom: 1px solid var(--line); padding: 4px 0; }
.qa summary {
  cursor: pointer; list-style: none; font-weight: 600; font-size: 17px; padding: 12px 32px 12px 0; position: relative;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+"; position: absolute; right: 4px; top: 8px; font-size: 24px; font-weight: 400; color: var(--muted);
  transition: transform .2s ease;
}
.qa[open] summary::after { transform: rotate(45deg); }
.qa p { margin: 0 0 14px; }
.article h2 + .qa { margin-top: 4px; }

/* MARK: 网页版指令库 */
.sc-tools { position: sticky; top: 56px; z-index: 5; background: var(--bg); padding: 10px 0 12px; margin-bottom: 8px; }
@media (max-width: 640px) { .sc-tools { top: 0; } }
#sc-search {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; -webkit-appearance: none; appearance: none;
}
#sc-search:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
.chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin-top: 10px; padding-bottom: 2px; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  font: inherit; font-size: 14px; white-space: nowrap; cursor: pointer; color: var(--muted);
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.chip[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); border-color: transparent; font-weight: 600; }
.sc-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); margin: 12px 0 8px; }
.sc-card {
  display: flex; gap: 14px; align-items: flex-start; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px;
  transition: border-color .15s ease, transform .15s ease;
}
.sc-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.sc-card strong { display: block; font-size: 16px; margin-bottom: 2px; }
.sc-card small {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  color: var(--muted); font-size: 14px; line-height: 1.5;
}
.sc-icon {
  flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(160deg, color-mix(in srgb, var(--tint) 82%, #fff), var(--tint));
  color: #fff; font-weight: 700; font-size: 18px;
}
.sc-icon.large { width: 72px; height: 72px; border-radius: 18px; font-size: 30px; }
.sc-group h2 small, .sc-featured h2 small { color: var(--muted); font-weight: 400; font-size: 15px; }
.sc-group, .sc-featured { scroll-margin-top: 150px; }
.crumbs { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.get-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 22px 20px; margin: 36px 0; }
.get-box h2 { margin-top: 18px !important; }
.get-box .actions { margin: 16px 0 0; }

/* MARK: 指令详情页：带指令颜色的头图，正文 + 右侧获取栏（手机上获取栏排在正文后面） */
.sc-hero {
  display: flex; gap: 22px; align-items: center; padding: 28px; border-radius: 28px;
  background:
    radial-gradient(120% 140% at 0% 0%, color-mix(in srgb, var(--tint) 26%, transparent), transparent 60%),
    color-mix(in srgb, var(--tint) 7%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--tint) 22%, var(--line));
}
.sc-hero .sc-icon.large {
  width: 96px; height: 96px; border-radius: 24px; font-size: 42px;
  box-shadow: 0 16px 30px -14px color-mix(in srgb, var(--tint) 80%, transparent);
}
.sc-hero h1 { margin: 0 0 6px; }
.sc-hero .eyebrow { color: color-mix(in srgb, var(--tint) 70%, var(--text)); display: flex; align-items: center; gap: 8px; }
.sc-hero .lead { font-size: 18px; }
.sc-badge { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 9px; font-size: 12px; letter-spacing: 0; }
@media (max-width: 640px) {
  .sc-hero { flex-direction: column; align-items: flex-start; gap: 16px; padding: 22px 20px; border-radius: 22px; }
  .sc-hero .sc-icon.large { width: 76px; height: 76px; border-radius: 19px; font-size: 32px; }
}

.sc-layout { display: grid; gap: 0 40px; margin-top: 8px; }
@media (min-width: 900px) {
  .sc-layout { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
  .sc-aside { position: sticky; top: 72px; }
  .sc-aside .get-box { margin-top: 28px; }
}
.sc-aside .get-box h2 { font-size: 19px; }
.sc-aside .get-box ol { padding-left: 1.2em; font-size: 15px; color: var(--muted); }
.sc-aside .qr { margin-top: 18px; }

/* 格子个数不定：用 flex 让最后一行自己撑满，不留空格子；右边和下边的分隔线被外框裁掉。 */
.sc-facts { display: flex; flex-wrap: wrap; margin: 28px 0 0; background: var(--surface);
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.sc-facts div { flex: 1 1 150px; padding: 12px 16px; margin: 0 -1px -1px 0;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sc-facts dt { color: var(--muted); font-size: 13px; }
.sc-facts dd { margin: 2px 0 0; font-weight: 600; font-size: 15px; }

.sc-steps { list-style: none; padding: 0 !important; margin: 0; counter-reset: step; display: grid; gap: 10px; }
.sc-steps li {
  counter-increment: step; position: relative; margin: 0 !important;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px 14px 58px;
}
.sc-steps li::before {
  content: counter(step); position: absolute; left: 16px; top: 13px; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 14px; color: var(--accent); background: var(--accent-soft);
}
.sc-tip { margin-top: 28px; padding: 4px 20px 6px; border-radius: 18px; background: var(--accent-soft); }
.sc-tip h2 { font-size: 17px !important; margin: 14px 0 2px !important; color: var(--accent); }
.sc-tip p { margin: 0 0 14px; }

.sc-related { margin-top: 24px; }
.sc-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 36px; }
.sc-pager a { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 12px 16px; color: var(--text); }
.sc-pager a:hover { text-decoration: none; border-color: var(--accent); }
.sc-pager a[rel="next"] { text-align: right; }
.sc-pager small { display: block; color: var(--muted); font-size: 13px; }