/* ==========================================================================
   RepoWays landing — 设计令牌 + 布局
   与 prelook-landing 同一套令牌命名；深浅双主题由 <head> 内联脚本先落地、导航右侧
   按钮手动切换（存 localStorage.repoways-landing-theme，未选过则跟随系统）；不引外部字体。
   主色取 RepoWays logo / GitHub Primer 强调蓝 #0969da，深色档整体翻成 Primer 深色。
   ========================================================================== */

:root {
  color-scheme: light;

  --primary: #0969da;
  --primary-hover: #0550ae;
  --primary-light: rgba(9, 105, 218, 0.08);
  --primary-shadow: rgba(9, 105, 218, 0.28);

  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eef1f4;

  --text-primary: #1f2328;
  --text-secondary: #424a53;
  --text-tertiary: #59636e;
  --border: #d1d9e0;
  --border-soft: #e2e7ec;

  --shadow-sm: 0 1px 3px rgba(31, 35, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(31, 35, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(31, 35, 40, 0.12);

  /* 固定导航条是带模糊的半透明底色，跟着主题各给一档 */
  --header-bg: rgba(255, 255, 255, 0.85);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4.5rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* 深色档：令牌整体翻一遍，取值对齐 GitHub Primer 深色（画布 #0d1117 / 次级 #161b22 /
   主文字 #e6edf3 / 强调蓝 #2f81f0）。data-theme 由 <head> 内联脚本先落地，避免首帧闪白。 */
[data-theme="dark"] {
  color-scheme: dark;

  --primary: #2f81f0;
  --primary-hover: #539bf5;
  --primary-light: rgba(47, 129, 240, 0.15);
  --primary-shadow: rgba(47, 129, 240, 0.32);

  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;

  --text-primary: #e6edf3;
  --text-secondary: #9198a1;
  --text-tertiary: #7d8590;
  --border: #3d444d;
  --border-soft: #30363d;

  --shadow-sm: 0 1px 3px rgba(1, 4, 9, 0.6);
  --shadow-md: 0 4px 12px rgba(1, 4, 9, 0.6);
  --shadow-lg: 0 12px 32px rgba(1, 4, 9, 0.7);

  --header-bg: rgba(13, 17, 23, 0.85);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-hover);
}

.container {
  width: min(1080px, 100% - 2.5rem);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-primary);
}

.brand:hover {
  color: var(--text-primary);
}

.brand img {
  border-radius: 22%;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav > a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav > a:hover {
  color: var(--primary);
}

#langToggle {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
  cursor: pointer;
}

#langToggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* 右侧三枚控件（语言 / 明暗 / GitHub）成组，比导航链接之间的 1.25rem 收紧 */
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 30px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  display: block;
}

/* 图标代表当前档位：浅色画太阳、深色画月亮 */
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.gh-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 30px;
  color: var(--text-secondary);
}

.gh-link:hover {
  color: var(--primary);
}

.gh-link svg {
  width: 18px;
  height: 18px;
  display: block;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding: var(--spacing-2xl) 0;
  background:
    radial-gradient(60% 55% at 78% 12%, rgba(9, 105, 218, 0.07), transparent 70%),
    var(--bg-primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  margin: 0 0 var(--spacing-sm);
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 var(--spacing-sm);
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.hero-sub {
  margin: 0 0 var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px var(--primary-shadow);
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
}

/* --- hero 插画：GitHub 仓库头部一行的纯 CSS 剪影 --- */

.hero-visual {
  min-width: 0;
}

.mock-window {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: visible;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border-soft);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-a {
  background: #f85149;
}

.dot-b {
  background: #f0b72f;
}

.dot-c {
  background: #57ab5a;
}

.mock-url {
  margin-left: 0.5rem;
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-body {
  padding: 0.9rem 1rem 1.1rem;
}

.mock-repo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.mock-repo-name {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
}

.mock-star {
  font-size: 0.72rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  background: var(--bg-secondary);
}

.mock-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

.mock-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 32px;
  padding: 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  white-space: nowrap;
  flex: none;
}

.mock-btn svg {
  flex: none;
}

.mock-btn .caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.6;
  margin-left: 0.1rem;
}

.mock-btn-code {
  background: #1f883d;
  border-color: rgba(31, 136, 61, 0.85);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  font-family: var(--font-mono);
}

.mock-btn-ways {
  position: relative;
  box-shadow:
    0 0 0 3px rgba(9, 105, 218, 0.18),
    0 1px 0 rgba(31, 35, 40, 0.04);
}

.mock-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: -10px;
  z-index: 3;
  width: 250px;
  padding: 8px;
  background: var(--bg-primary);
  border-radius: 12px;
  box-shadow:
    0 1px 0 rgba(31, 35, 40, 0.04),
    0 8px 24px rgba(31, 35, 40, 0.16);
  outline: 1px solid var(--border);
  outline-offset: -1px;
}

.mrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  line-height: 1.4;
}

.mrow b {
  font-weight: 500;
  color: var(--text-primary);
}

.mrow em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-align: right;
  white-space: nowrap;
}

.mdiv {
  display: block;
  height: 1px;
  margin: 7px -8px 8px;
  background: var(--border);
}

.mock-lines {
  display: grid;
  gap: 0.55rem;
  margin-top: 2.4rem;
}

.mock-lines span {
  height: 10px;
  border-radius: 5px;
  background: var(--bg-tertiary);
}

.mock-lines span:nth-child(1) {
  width: 92%;
}

.mock-lines span:nth-child(2) {
  width: 76%;
}

.mock-lines span:nth-child(3) {
  width: 84%;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
  padding: var(--spacing-2xl) 0;
  background: var(--bg-primary);
}

.section-alt {
  background: var(--bg-secondary);
}

.section-title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  letter-spacing: -0.01em;
}

.section-sub {
  margin: 0 0 var(--spacing-xl);
  color: var(--text-secondary);
  max-width: 42em;
}

/* --- features：四组卡片（卡片底色与所在区块相反那一档）。
   两列而不是四列：en 最长一行 "Dependency Graph + List dependencies" 在 1080 容器的
   四分之一宽（约 218px 内容宽）里放不下，会被挤成错位的两行 --- */

.groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-md);
}

.group-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.group-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
}

.group-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gd, var(--primary));
  flex: none;
}

.group-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.group-card li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.88rem;
}

.group-card li b {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.group-card li em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-align: right;
}

/* --- assure：三枚承诺 --- */

.assure-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-md);
}

.assure h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.assure p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--bg-primary);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-brand-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.footer-brand img {
  border-radius: 22%;
}

.footer-brand p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  max-width: 26em;
}

.footer-links {
  display: grid;
  /* 三栏链接（快速链接 / 联系 / 支持）：auto-fit 让窄屏自然折行，不必为每档断点单写列数 */
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-lg);
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 0.45rem;
}

.footer-column h4 {
  margin: 0 0 0.4rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.footer-column a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-column a:hover {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   安装色带（#get）—— 参考 prelook-landing 的 .cta-band
   整段是一个饱和色块，不参与 --bg-* 的深浅交替，所以浅色/深色各写一版渐变：
   深色主题下压暗一档，白字和白色按钮才不至于刺眼。底色取 RepoWays 品牌蓝 #0969da。
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, #0969da 0%, #116ed7 55%, #2f81f0 100%);
  color: #fff;
  overflow: hidden;
  padding: var(--spacing-2xl) 0;
}

[data-theme="dark"] .cta-band {
  background: linear-gradient(135deg, #0a4a8f 0%, #0c58a8 55%, #1f6fd0 100%);
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  align-items: center;
  gap: var(--spacing-2xl);
}

.cta-title {
  margin: var(--spacing-md) 0 0;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.cta-sub {
  margin: var(--spacing-sm) 0 0;
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.84);
}

/* 三颗商店入口竖排成一列（只有三个，横向两列会空出半格、看着像漏了一个）。
   浏览器 logo 必须用 <img> 引文件而非内联——Chrome/Edge/Firefox 的 SVG 各自定义了
   同名渐变 id，内联进同一文档会互相覆盖（与 prelook-landing 同一套约定）。 */
.cta-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
  max-width: 420px;
  margin-top: var(--spacing-lg);
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  border-radius: var(--radius-md);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

/* 色带上固定用白底深字：--bg-primary 在深色主题里是近黑色，压在蓝底上像几块补丁 */
.store-btn {
  background: rgba(255, 255, 255, 0.96);
  color: #1f2333;
}

.store-btn:hover {
  background: #fff;
  color: #0969da;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(1, 4, 9, 0.22);
}

.browser-logo {
  width: 22px;
  height: 22px;
  flex: none;
}

/* ---------- 色带右侧插画 ---------- */
/* 用「前一层用负 margin 压住后一层」而不是绝对定位：窗口高度由内容决定，
   绝对定位要按内容高度算偏移，改一行骨架线就得重算一次。 */
.cta-art {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.art-win {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 42px rgba(12, 16, 40, 0.3);
}

.art-back {
  width: 72%;
  transform: rotate(5deg);
}

.art-front {
  width: 84%;
  align-self: flex-start;
  /* 百分比 margin 按容器宽度算，这里就是"往上压 12% 的容器宽" */
  margin: -12% 0 0 -4%;
  transform: rotate(-3deg);
  z-index: 1;
  box-shadow: 0 26px 56px rgba(12, 16, 40, 0.38);
}

.art-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 11px;
  background: #1f2333;
}

.art-bar > i {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.art-pill {
  flex: 1;
  height: 8px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.22);
}

/* 预览窗那一条：浅色玻璃 + 品牌蓝，跟产品里的窗口标题栏同一个意思 */
.art-bar-preview {
  background: color-mix(in srgb, #0969da 17%, #fff);
  border-bottom: 1px solid rgba(9, 105, 218, 0.26);
}

.art-bar-preview .art-pill {
  background: rgba(31, 35, 51, 0.18);
}

.art-favicon {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, #0969da, #2f81f0);
}

.art-btns {
  display: flex;
  gap: 5px;
}

.art-btns i {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: rgba(31, 35, 51, 0.18);
}

.art-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.art-line {
  height: 10px;
  border-radius: 5px;
  background: #e9ecf3;
}

.art-line.w60 {
  width: 60%;
}

.art-line.w70 {
  width: 70%;
}

.art-line.w80 {
  width: 80%;
}

.art-line.w85 {
  width: 85%;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  border-top: 1px solid var(--border-soft);
  padding-top: var(--spacing-md);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer-bottom p {
  margin: 0;
}

.footer-filing {
  color: var(--text-tertiary);
}

.footer-filing:hover {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .groups {
    grid-template-columns: 1fr;
  }
}

/* 色带在窄屏立起来：文案居中、按钮居中、插画挪到下面并收窄。
   断点压到 820px 而不是 960：768–960 这一档还放得下左右两栏，
   提前立起来只会让色带上下空出一大片。 */
@media (max-width: 820px) {
  .cta-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-actions {
    margin-inline: auto;
  }

  .cta-art {
    max-width: 380px;
    width: 100%;
    margin: var(--spacing-lg) auto 0;
    align-self: center;
  }
}

@media (max-width: 600px) {
  .assure-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .mock-menu {
    width: 210px;
  }

  .site-nav {
    gap: 0.8rem;
  }

  /* 手机上只留色块和按钮：插画会让这一段占掉整整一屏，而这一段的意义就是那三颗按钮 */
  .cta-art {
    display: none;
  }
}