/* ============================================================
   Docsy 下载站样式
   品牌色取自 Docsy 应用设计系统（src/styles.css）：
   - 画布  #f5efe5（暖米色）
   - 主色  #47776c（森林绿）
   - 点缀  #b6653b（陶土橙）
   字体使用系统栈（含 PingFang SC / Microsoft YaHei）。
   ============================================================ */

:root {
  --canvas: #f5efe5;
  --surface: #fffdf8;
  --surface-muted: #f0e9de;
  --ink: #1f2e2a;
  --ink-soft: #46534e;
  --ink-muted: #63706a;
  --border: #ded4c5;
  --border-strong: #cfc1b0;
  --primary: #47776c;
  --primary-hover: #365f56;
  --primary-soft: #dce9e4;
  --accent: #b6653b;
  --accent-soft: #f7e8dc;
  --shadow-soft: 0 4px 14px rgba(48, 41, 32, 0.05);
  --shadow-card: 0 18px 50px rgba(48, 41, 32, 0.09);
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1120px;
  --font-display: ui-rounded, 'SF Pro Rounded', -apple-system, 'PingFang SC',
    'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-body: -apple-system, 'SF Pro Text', 'PingFang SC', 'Noto Sans SC',
    'Microsoft YaHei', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);

  /* 变量别名，兼容子页面命名规范 */
  --bg-primary: var(--canvas);
  --bg-secondary: var(--surface);
  --border-color: var(--border);
  --text-primary: var(--ink);
  --text-secondary: var(--ink-soft);
  --accent-primary: var(--primary);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

/* ============ 顶部导航 ============ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--canvas);
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.is-scrolled {
  border-bottom-color: var(--border);
  background: var(--canvas);
  background: color-mix(in srgb, var(--canvas) 94%, transparent);
}

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 68px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

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

.brand img {
  border-radius: 8px;
  background: #fff;
  padding: 3px;
  box-shadow: 0 1px 4px rgba(48, 41, 32, 0.08);
  width: 36px;
  height: 29px;
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 720;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 6px;
  margin-left: 8px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 15px;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
  background: var(--surface-muted);
  color: var(--ink);
}

.nav-gh {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 14px;
  transition: background 0.2s, border-color 0.2s;
}

.nav-gh:hover {
  background: var(--surface);
  border-color: var(--primary);
  color: var(--primary);
}

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: calc(100dvh - 68px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(52% 46% at 78% 30%, rgba(182, 101, 59, 0.10), transparent 70%),
    radial-gradient(44% 40% at 18% 78%, rgba(71, 119, 108, 0.12), transparent 72%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 56px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--primary-soft);
  background: var(--primary-soft);
  background: color-mix(in srgb, var(--primary-soft) 60%, var(--surface));
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(40px, 5.6vw, 64px);
  font-weight: 760;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  margin-top: 20px;
  max-width: 30em;
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 650;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 26px rgba(54, 95, 86, 0.28);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(54, 95, 86, 0.32);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.btn-block {
  width: 100%;
}

/* ============ Hero 视觉 ============ */

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  position: relative;
  width: min(310px, 100%);
  padding: 22px 20px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: rotate(1.2deg);
}

.hero-mascot,
.hero-card img[alt*='Doclet'] {
  width: 100%;
  max-width: 250px;
  height: auto;
  aspect-ratio: 339 / 520;
  object-fit: contain;
  border-radius: 14px;
  display: block;
}

.hero-card-logo {
  width: 108px;
  height: auto;
  aspect-ratio: 420 / 337;
  object-fit: contain;
  margin-top: 14px;
  border-radius: 8px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-card {
    animation: float 7s ease-in-out infinite;
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(1.5deg); }
  50% { transform: translateY(-10px) rotate(1.5deg); }
}

/* ============ 信任带 ============ */

.trust-band {
  border-block: 1px solid var(--border);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 72%, var(--canvas));
}

.trust-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-item + .trust-item {
  padding-left: 28px;
  border-left: 1px solid var(--border);
}

.trust-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
}

.trust-text {
  display: flex;
  flex-direction: column;
}

.trust-text strong {
  font-size: 15px;
  color: var(--ink);
}

.trust-text span {
  font-size: 13px;
  color: var(--ink-muted);
}

/* ============ 章节通用 ============ */

.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 740;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-head p {
  margin-top: 12px;
  color: var(--ink-muted);
  font-size: 15px;
}

.features,
.download,
.changelog {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 92px 24px;
}

/* ============ 功能 Bento ============ */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.bento-cell {
  position: relative;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.bento-cell:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.bento-lg {
  grid-column: span 3;
  min-height: 230px;
}

.bento-md {
  grid-column: span 2;
  min-height: 190px;
}

.bento-wide {
  grid-column: span 6;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 120px;
}

.bento-lg::after {
  content: '';
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 119, 108, 0.10), transparent 70%);
  pointer-events: none;
}

.bento-lg:nth-child(2)::after {
  background: radial-gradient(circle, rgba(182, 101, 59, 0.10), transparent 70%);
}

.bento-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: 16px;
}

.bento-lg:nth-child(2) .bento-icon,
.bento-md:nth-child(4) .bento-icon {
  background: var(--accent-soft);
  color: var(--accent);
}

.bento-cell h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.bento-cell p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.bento-points {
  margin-top: 14px;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bento-points li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-muted);
  font-size: 13.5px;
}

.bento-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.55;
}

.bento-wide-body h3 {
  font-size: 19px;
}

.bento-wide-body p {
  margin-top: 6px;
  font-size: 14.5px;
}

/* ============ 下载区 ============ */

.download {
  border-top: 1px solid var(--border);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 55%, var(--canvas));
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.dl-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.dl-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.dl-card.is-current {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(71, 119, 108, 0.16),
    var(--shadow-card);
}

.dl-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dl-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
}

.dl-card:nth-child(2) .dl-icon {
  background: var(--accent-soft);
  color: var(--accent);
}

.dl-card-title h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.dl-card-title p {
  margin-top: 2px;
  color: var(--ink-muted);
  font-size: 13px;
}

.dl-tag {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.dl-file,
.dl-hash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.dl-file {
  justify-content: space-between;
}

.dl-file code,
.dl-hash code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  word-break: break-all;
}

.dl-file span {
  flex-shrink: 0;
  color: var(--ink-muted);
  font-size: 12.5px;
}

.dl-hash {
  gap: 8px;
}

.dl-hash-label {
  flex-shrink: 0;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

.dl-hash code {
  flex: 1;
  min-width: 0;
}

.copy-btn {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.copy-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.copy-btn.is-copied {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.dl-alt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--ink-muted);
}

.dl-alt:hover {
  color: var(--primary);
}

/* 历史版本 */

.history {
  margin-top: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.history summary {
  padding: 15px 20px;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.history summary::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 5px solid var(--ink-muted);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform 0.2s;
}

.history[open] summary::before {
  transform: rotate(90deg);
}

.history summary::-webkit-details-marker {
  display: none;
}

.history-list {
  list-style: none;
  padding: 0 20px 16px;
}

.history-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
  font-size: 14px;
  color: var(--ink-soft);
}

.history-list li + li {
  border-top: 1px dashed var(--border);
}

.history-list .h-version {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.history-list .h-date {
  color: var(--ink-muted);
  font-size: 13px;
}

.history-list .h-links {
  display: inline-flex;
  gap: 10px;
  font-size: 13px;
}

.history-empty,
.timeline-empty {
  color: var(--ink-muted);
  font-size: 14px;
  padding: 14px 0;
  list-style: none;
}

/* ============ 更新日志 ============ */

.timeline {
  list-style: none;
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-strong);
}

.timeline > li {
  position: relative;
  padding-bottom: 34px;
}

.timeline > li::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(220, 233, 228, 0.6);
}

.tl-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.tl-version {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.tl-date {
  font-size: 13px;
  color: var(--ink-muted);
}

.tl-sections {
  margin-top: 10px;
}

.tl-section {
  margin-top: 12px;
}

.tl-section-title {
  font-size: 13px;
  font-weight: 650;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.tl-section ul {
  margin-top: 6px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tl-section li {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.tl-section li strong {
  color: var(--ink);
  font-weight: 650;
}

.changelog-more {
  margin-top: 10px;
  text-align: center;
}

/* ============ 页脚 ============ */

.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 60%, var(--canvas));
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 48px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  border-radius: 8px;
  background: #fff;
  padding: 3px;
  width: 40px;
  height: 32px;
  object-fit: contain;
}

.footer-brand strong {
  font-family: var(--font-display);
  font-size: 16px;
}

.footer-brand p {
  font-size: 12.5px;
  color: var(--ink-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
}

.footer-links a {
  font-size: 14px;
  color: var(--ink-soft);
}

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

.footer-legal {
  flex-basis: 100%;
  font-size: 12.5px;
  color: var(--ink-muted);
}

/* ============ 入场动效 ============ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-card {
    animation: none;
  }
}

/* ============ 响应式 ============ */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
    text-align: center;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-sub {
    margin-inline: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .trust-inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .trust-item + .trust-item {
    padding-left: 0;
    border-left: 0;
    padding-top: 18px;
    border-top: 1px solid var(--border);
  }

  .bento-lg,
  .bento-md {
    grid-column: span 6;
  }

  .bento-md {
    min-height: 0;
  }

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

@media (max-width: 640px) {
  .nav-inner {
    height: 60px;
    padding: 0 16px;
    gap: 14px;
  }

  .nav-links {
    display: none;
  }

  .nav-gh span {
    display: none;
  }

  .hero {
    min-height: calc(100dvh - 60px);
  }

  .hero-inner {
    padding: 48px 16px;
  }

  .hero-cta .btn {
    flex: 1 1 auto;
  }

  .features,
  .download,
  .changelog {
    padding: 64px 16px;
  }

  .footer-inner {
    padding: 32px 16px 40px;
  }

  .footer-links {
    margin-left: 0;
    flex-wrap: wrap;
  }
}

/* ============ 外部工具页 ============ */

.page-head {
  padding: 64px 24px 8px;
}

.page-head-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-head h1 {
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 48px);
  font-weight: 760;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.page-head-sub {
  margin-top: 14px;
  max-width: 46em;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.7;
}

.tools-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 92px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.tools-risk {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  border: 1px solid var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--surface));
}

.tools-risk > svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}

.tools-risk strong {
  font-size: 14.5px;
  color: var(--ink);
}

.tools-risk p {
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.tool-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-card {
  padding: 26px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.tool-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tool-card-head h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 720;
  letter-spacing: -0.01em;
}

.tool-card-head p {
  margin-top: 3px;
  color: var(--ink-muted);
  font-size: 13.5px;
}

.tools-entries {
  display: flex;
  flex-direction: column;
}

.tools-entry {
  display: grid;
  grid-template-columns: 190px 150px 1fr;
  grid-template-areas:
    'os ver act'
    'note note note';
  gap: 8px 20px;
  padding: 18px 0;
}

.tools-entry + .tools-entry {
  border-top: 1px dashed var(--border);
}

.tools-os {
  grid-area: os;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}

.tools-os svg {
  color: var(--primary);
}

.tools-ver {
  grid-area: ver;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tools-ver-label {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}

.tools-ver strong {
  font-size: 14px;
  color: var(--ink);
}

.tools-act {
  grid-area: act;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.tools-dl {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
}

.tools-hash {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 560px;
  padding: 8px 10px;
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.tools-hash code {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  word-break: break-all;
}

.tools-note {
  grid-area: note;
  font-size: 12.5px;
  color: var(--ink-muted);
  line-height: 1.65;
}

.code-inline {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--primary-hover);
  background: var(--primary-soft);
  border-radius: 6px;
}

.install-guide {
  padding: 26px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.install-guide h2 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 720;
  margin-bottom: 14px;
}

.guide-steps {
  margin: 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-steps li {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.guide-steps strong {
  color: var(--ink);
}

.guide-steps p {
  margin-top: 2px;
}

.guide-note {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.guide-links {
  margin-top: 12px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

/* ============ 软件截图 ============ */

.screenshots {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 92px 24px;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 3rem;
}

.shot-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.shot-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(48, 41, 32, 0.12);
  border-color: var(--border-strong);
}

/* 主页大图放大展示：横跨两列，后面 6 个模块两两并排 */
.shot-item.shot-featured,
.shot-item:first-child {
  grid-column: span 2;
  background: var(--surface);
  border-color: var(--border-strong);
}

.shot-img {
  position: relative;
  overflow: hidden;
  background: var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shot-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.35s ease;
}

.shot-item:hover .shot-img img {
  transform: scale(1.025);
}

.shot-item.shot-featured .shot-img,
.shot-item:first-child .shot-img {
  padding: 14px 14px 0;
  background: color-mix(in srgb, var(--canvas) 85%, var(--surface));
  border-bottom: 1px solid var(--border);
}

.shot-item.shot-featured .shot-img img,
.shot-item:first-child .shot-img img {
  border-radius: 10px 10px 0 0;
  box-shadow: 0 -2px 16px rgba(48, 41, 32, 0.08);
}

.shot-caption {
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  margin-top: auto;
}

.shot-item.shot-featured .shot-caption,
.shot-item:first-child .shot-caption {
  padding: 1.5rem 1.8rem;
}

.shot-caption h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.shot-item.shot-featured .shot-caption h4,
.shot-item:first-child .shot-caption h4 {
  font-size: 1.35rem;
}

.shot-caption p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

.shot-item.shot-featured .shot-caption p,
.shot-item:first-child .shot-caption p {
  font-size: 1rem;
}

.shot-more {
  text-align: center;
  margin-top: 2rem;
}

@media (max-width: 760px) {
  .shot-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .shot-item.shot-featured,
  .shot-item:first-child {
    grid-column: span 1;
  }

  .tools-entry {
    grid-template-columns: 1fr;
    grid-template-areas:
      'os'
      'ver'
      'act'
      'note';
  }

  .tool-card-head {
    flex-direction: column;
  }
}