/* ossput docs — shadcn / zinc dark */

:root {
  --background: #09090b;
  --foreground: #fafafa;
  --card: #0c0c0e;
  --card-foreground: #fafafa;
  --muted: #18181b;
  --muted-foreground: #a1a1aa;
  --border: #27272a;
  --border-subtle: #1f1f23;
  --input: #27272a;
  --ring: #d4d4d8;
  --primary: #fafafa;
  --primary-foreground: #18181b;
  --secondary: #27272a;
  --secondary-foreground: #fafafa;
  --destructive: #7f1d1d;
  --accent-line: #3f3f46;
  --brand: #ef4444;
  --brand-glow: rgba(239, 68, 68, 0.18);

  --terminal-bg: #000000;
  --terminal-bar: #0a0a0a;
  --terminal-border: #1c1c1c;
  --mac-close: #ff5f57;
  --mac-minimize: #febc2e;
  --mac-maximize: #28c840;
  --terminal-prompt: #a1a1aa;
  --terminal-cyan: #22d3ee;
  --terminal-dim: #71717a;
  --terminal-success: #4ade80;

  --wrap: min(1120px, calc(100% - 3rem));
  --header-h: 4.25rem;
  --radius-full: 9999px;
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --font:
    system-ui,
    -apple-system,
    "Segoe UI",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  --mono:
    ui-monospace,
    "SF Mono",
    "Cascadia Code",
    "Segoe UI Mono",
    Menlo,
    Consolas,
    monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --reveal-duration: 0.65s;
}

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

  .reveal,
  .hero__flow.is-animated .flow-pulse {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .typewriter-cursor,
  .hero__logo {
    animation: none !important;
  }

  .terminal__line--after {
    opacity: 1 !important;
    transform: none !important;
  }

  .terminal__ascii {
    opacity: 1 !important;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 50% -8%, var(--brand-glow), transparent 55%),
    radial-gradient(ellipse 50% 30% at 50% -5%, rgba(250, 250, 250, 0.04), transparent 50%),
    var(--background);
}

.page-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}

.skip {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: var(--primary-foreground);
  border-radius: var(--radius-full);
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

a {
  color: var(--foreground);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--muted-foreground);
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  font-weight: 500;
}

:not(pre) > code {
  padding: 0.12em 0.4em;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  color: var(--foreground);
  word-break: break-word;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

/* header */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}

.header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(9, 9, 11, 0.95);
}

.header__inner {
  width: var(--wrap);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--foreground);
  text-decoration: none;
}

.brand-logo {
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-logo--sm {
  width: 1.75rem;
  height: 1.75rem;
}

.header__brand .brand-logo {
  filter: drop-shadow(0 2px 8px var(--brand-glow));
}

.header__brand:hover {
  color: var(--muted-foreground);
}

.header__nav {
  display: flex;
  gap: 1.5rem;
  margin-right: auto;
}

.header__nav a {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s;
}

.header__nav a:hover {
  color: var(--foreground);
}

.header__nav a.is-active {
  color: var(--foreground);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* buttons — shadcn rounded-full */

.btn,
.copy,
.install-tab {
  border-radius: var(--radius-full);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  padding: 0 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.2s var(--ease-out),
    color 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out),
    opacity 0.2s;
}

.btn--lg {
  min-height: 2.5rem;
  padding: 0 1.35rem;
  font-size: 0.9375rem;
}

.btn--solid {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.btn--solid:hover {
  background: #e4e4e7;
  border-color: #e4e4e7;
  color: var(--primary-foreground);
}

.btn--outline {
  background: transparent;
  color: var(--foreground);
  border-color: var(--border);
}

.btn--outline:hover {
  background: var(--secondary);
  border-color: var(--accent-line);
  color: var(--foreground);
}

.btn--ghost {
  background: transparent;
  color: var(--muted-foreground);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--secondary);
  color: var(--foreground);
}

/* reveal */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--reveal-duration) var(--ease-out),
    transform var(--reveal-duration) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.07s;
}

.reveal-delay-2 {
  transition-delay: 0.14s;
}

.reveal-delay-3 {
  transition-delay: 0.21s;
}

/* hero */

.hero {
  padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.hero__grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 44rem;
}

.hero__agents {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.6rem;
  margin: 0 0 1.25rem;
}

.hero__agent-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agent-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--foreground);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition:
    border-color 0.2s var(--ease-out),
    background 0.2s var(--ease-out);
}

.agent-tag:hover {
  border-color: var(--accent-line);
  background: var(--muted);
}

.hero__logo {
  width: clamp(4.5rem, 14vw, 6rem);
  height: auto;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 16px 40px var(--brand-glow));
  animation: logo-float 4s ease-in-out infinite;
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15em;
  margin: 0 0 1.25rem;
  font-size: clamp(1.65rem, 4.5vw, 2.85rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.hero__title-line {
  display: block;
  white-space: nowrap;
}

.hero__title-brand {
  color: var(--foreground);
}

.hero__title-sep {
  color: var(--muted-foreground);
  font-weight: 400;
}

.hero__desc {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--muted-foreground);
  max-width: 36em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  max-width: 22rem;
}

.hero__terminal {
  width: 100%;
  max-width: min(44rem, 100%);
}

/* terminal — macOS window */

.terminal--mac {
  border-radius: 10px;
  overflow: hidden;
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.8),
    0 12px 32px rgba(0, 0, 0, 0.55),
    0 32px 64px rgba(0, 0, 0, 0.4);
  text-align: left;
}

.terminal__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 2.75rem;
  padding: 0 0.85rem;
  background: var(--terminal-bar);
  border-bottom: 1px solid var(--terminal-border);
}

.terminal__traffic {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 3.25rem;
  flex-shrink: 0;
}

.traffic {
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 0.5px solid rgba(0, 0, 0, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 0.5px 1px rgba(0, 0, 0, 0.2);
}

.traffic--close {
  background: linear-gradient(180deg, #ff6b63 0%, var(--mac-close) 100%);
}

.traffic--minimize {
  background: linear-gradient(180deg, #ffd250 0%, var(--mac-minimize) 100%);
}

.traffic--maximize {
  background: linear-gradient(180deg, #3dd958 0%, var(--mac-maximize) 100%);
}

/* hover 时显示 mac 符号（装饰） */
.terminal__traffic:hover .traffic--close::after,
.terminal__traffic:hover .traffic--minimize::after,
.terminal__traffic:hover .traffic--maximize::after {
  opacity: 0.55;
}

.traffic--close::after,
.traffic--minimize::after,
.traffic--maximize::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.15s;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 6px 6px;
}

.traffic--close::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath stroke='%234a0000' stroke-width='1.4' d='M1.5 1.5l5 5M6.5 1.5l-5 5'/%3E%3C/svg%3E");
}

.traffic--minimize::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath stroke='%235a4a00' stroke-width='1.4' d='M1.5 4h5'/%3E%3C/svg%3E");
}

.traffic--maximize::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath stroke='%23004000' stroke-width='1.2' d='M2 2.5h4v4H2z' fill='none'/%3E%3C/svg%3E");
}

.terminal__title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  max-width: 55%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.38);
  pointer-events: none;
}

.terminal__toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 3.25rem;
  flex-shrink: 0;
}

.terminal__body {
  padding: 1rem 1.1rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  background: var(--terminal-bg);
  min-height: 20rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.terminal__ascii {
  margin: 0 0 0.65rem;
  padding: 0;
  overflow-x: auto;
  line-height: 1.12;
}

.terminal__ascii code {
  display: block;
  font-size: clamp(0.42rem, 1.05vw, 0.5625rem);
  font-weight: 500;
  letter-spacing: 0;
  color: #ffffff;
  background: none;
  border: none;
  padding: 0;
  white-space: pre;
  word-break: normal;
}

.terminal__line {
  margin: 0;
  color: var(--foreground);
}

.terminal__line--tag {
  margin-bottom: 0.35rem;
  font-size: 0.6875rem;
  color: var(--terminal-dim);
}

.terminal__line--blank {
  height: 0.35rem;
  margin: 0;
  visibility: hidden;
}

.terminal__line--out {
  font-size: 0.75rem;
  color: var(--terminal-dim);
}

.terminal__line--success {
  margin-top: 0.15rem;
  font-size: 0.75rem;
  color: var(--terminal-success);
}

.terminal__bullet {
  color: var(--terminal-dim);
  margin-right: 0.35rem;
}

.terminal__line--muted {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.terminal__line--after {
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 0.45s var(--ease-out),
    transform 0.45s var(--ease-out);
}

.terminal__line--after.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.terminal__prompt {
  color: var(--terminal-prompt);
  margin-right: 0.4rem;
}

.terminal__ok {
  color: var(--terminal-success);
  margin-right: 0.3rem;
}

.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--primary);
  animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.copy--ghost {
  padding: 0.2rem 0.6rem;
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.copy--ghost:hover {
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

/* hero flow */

.hero__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  width: 100%;
  max-width: 36rem;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 4.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.flow-node--accent {
  color: var(--foreground);
}

.flow-icon {
  width: 1.35rem;
  height: 1.35rem;
  color: var(--muted-foreground);
}

.flow-node--accent .flow-icon {
  color: var(--foreground);
}

.flow-line {
  position: relative;
  flex: 1;
  min-width: 2rem;
  max-width: 3.5rem;
  height: 1px;
  background: var(--border);
}

.flow-logo {
  width: 2.25rem;
  height: 2.25rem;
}

.flow-pulse {
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0;
}

.hero__flow.is-animated .flow-pulse {
  animation: flow-travel 1.8s var(--ease-out) infinite;
}

.hero__flow.is-animated .flow-pulse--delay {
  animation-delay: 0.9s;
}

@keyframes flow-travel {
  0% {
    left: 0;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    left: calc(100% - 6px);
    opacity: 0;
  }
}

/* sections */

.section {
  padding: 5rem 0;
}

.section--muted {
  background: var(--muted);
  border-block: 1px solid var(--border);
}

.section__head {
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__head--center .section__title {
  padding-left: 0;
}

.section__head--center .section__title::before {
  display: none;
}

.section__badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}

.section__title {
  position: relative;
  margin: 0 0 0.85rem;
  padding-left: 0.85rem;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 2px;
  border-radius: 1px;
  background: var(--primary);
}

.section__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted-foreground);
}

.section__lead strong {
  color: var(--foreground);
  font-weight: 600;
}

/* capabilities */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cap-card {
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-width: 0;
  transition:
    border-color 0.2s var(--ease-out),
    background 0.2s var(--ease-out);
}

.cap-card:hover {
  border-color: var(--accent-line);
  background: #101012;
}

.cap-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.cap-card__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.cap-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cap-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}

/* ram policy */

.ram-list {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 40rem;
}

.ram-list li {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

.ram-list strong {
  color: var(--foreground);
  font-weight: 600;
}

.code-block__actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.btn--sm {
  min-height: 1.65rem;
  padding: 0 0.65rem;
  font-size: 0.75rem;
}

#ram-policy-json pre {
  max-height: 22rem;
  overflow: auto;
}

/* table */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}

.tool-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.tool-table th,
.tool-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border-subtle);
}

.tool-table th {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  background: var(--muted);
}

.tool-table tbody tr {
  transition: background 0.15s;
}

.tool-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.tool-table tr:last-child td {
  border-bottom: none;
}

.tool-table td:first-child {
  font-family: var(--mono);
  font-size: 0.8125rem;
}

.table-note {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* guide */

.guide-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 2.5rem;
  align-items: start;
}

.guide-layout > .section__head {
  grid-column: 1 / -1;
  max-width: none;
}

.guide-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  min-width: 0;
}

.guide-step__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.guide-step__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}

.guide-step h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.guide-step__intro {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

.guide-step__hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.55;
}

/* install tabs */

.install-tabs {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  overflow: hidden;
}

.install-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.65rem;
  background: var(--muted);
  border-bottom: 1px solid var(--border);
}

.install-tab {
  padding: 0.35rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.install-tab:hover {
  color: var(--foreground);
  background: var(--secondary);
}

.install-tab.is-active,
.install-tab[aria-selected="true"] {
  color: var(--primary-foreground);
  background: var(--primary);
  border-color: var(--primary);
}

.install-tabs__panels {
  padding: 1rem 1rem 0.5rem;
}

.install-panel__note {
  margin: 0 0 0.85rem;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

/* code blocks */

.code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--background);
  margin-bottom: 0.75rem;
  min-width: 0;
}

.code-block__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: var(--muted);
  border-bottom: 1px solid var(--border);
}

.code-block pre {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}

.code-block code {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--foreground);
  background: none;
  border: none;
  padding: 0;
  white-space: pre-wrap;
}

.copy {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  min-height: 1.65rem;
  padding: 0 0.65rem;
  border: 1px solid var(--border);
  background: var(--secondary);
  color: var(--muted-foreground);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.copy:hover {
  color: var(--foreground);
  border-color: var(--accent-line);
}

.copy.copied {
  color: var(--foreground);
  background: var(--muted);
  border-color: var(--foreground);
}

/* example */

.example {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  margin-bottom: 0.75rem;
}

.example--chat {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.example__line {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  word-break: break-word;
}

.example__who {
  display: inline-block;
  min-width: 3.25rem;
  margin-right: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.example__who--tool {
  color: var(--foreground);
}

.example__line--result {
  padding: 0.75rem 0.9rem;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.guide-aside {
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
}

.guide-aside h4 {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
}

.guide-aside h4:not(:first-child) {
  margin-top: 1.25rem;
}

.guide-aside ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.55;
}

.guide-aside__hosts {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.guide-aside__hosts li {
  padding: 0.2rem 0.55rem;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}

.guide-aside__foot {
  margin: 1rem 0 0;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* footer */

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  background: var(--muted);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.footer__brand a {
  color: var(--muted-foreground);
}

.footer__brand a:hover {
  color: var(--foreground);
}

.footer nav {
  display: flex;
  gap: 1.25rem;
}

.footer nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
}

.footer nav a:hover {
  color: var(--foreground);
}

/* responsive */

@media (max-width: 1024px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-aside {
    position: static;
  }
}

@media (max-width: 720px) {
  :root {
    --wrap: calc(100% - 1.5rem);
  }

  .header__nav {
    display: none;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero__title-line {
    white-space: normal;
  }

  .hero__actions {
    max-width: none;
  }

  .hero__actions .btn {
    flex: 1 1 calc(50% - 0.35rem);
    min-width: 8.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

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

  .hero__terminal {
    max-width: 100%;
  }

  .terminal__body {
    min-height: 17rem;
    padding: 0.85rem 0.75rem 1rem;
  }

  .terminal__ascii code {
    font-size: 0.38rem;
  }

  .hero__flow {
    gap: 0.65rem;
    flex-direction: column;
  }

  .flow-line {
    display: none;
  }

  .tool-table {
    min-width: 0;
  }

  .tool-table th,
  .tool-table td {
    display: block;
    width: 100% !important;
    padding: 0.65rem 1rem;
    border-bottom: none;
  }

  .tool-table thead {
    display: none;
  }

  .tool-table tr {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .tool-table td:first-child::before {
    content: "工具 ";
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    display: block;
    margin-bottom: 0.2rem;
  }

  .tool-table td:nth-child(2)::before {
    content: "作用 ";
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    display: block;
    margin-bottom: 0.2rem;
  }

  .tool-table td:nth-child(3)::before {
    content: "场景 ";
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.6875rem;
    color: var(--muted-foreground);
    display: block;
    margin-bottom: 0.2rem;
  }
}

@media (max-width: 380px) {
  .hero__title {
    font-size: clamp(1.4rem, 7vw, 1.65rem);
  }
}