/* Theme three — homepage visual restore (api主题8); no CDN Tailwind/Fonts */
@import url('css/tw-compat.css');

:root {
    --bg: #FBFAF7;
    --bg-2: #F4F1EA;
    --card: #FFFFFF;
    --fg: #0B0B0B;
    --fg-2: #3A3A3A;
    --muted: #8A8A82;
    --border: #E8E3D8;
    --accent: #FF4D2D;
    --accent-soft: #FFE8E1;
    --accent-2: #0D9488;
    --accent-2-soft: #D7F0EC;
    --accent-3: #F59E0B;
    --shadow: 0 1px 2px rgba(11,11,11,0.04), 0 8px 24px -8px rgba(11,11,11,0.08);
    --shadow-lg: 0 1px 2px rgba(11,11,11,0.04), 0 24px 60px -16px rgba(11,11,11,0.16);
    --ease-out: cubic-bezier(.22, 1, .36, 1);
    --ease-spring: cubic-bezier(.34, 1.45, .64, 1);
  }
  html.dark {
    --bg: #0A0A0A;
    --bg-2: #111111;
    --card: #161616;
    --fg: #FAFAF7;
    --fg-2: #C5C5BD;
    --muted: #6B6B66;
    --border: #242424;
    --accent: #FF6347;
    --accent-soft: rgba(255,99,71,0.14);
    --accent-2: #2DD4BF;
    --accent-2-soft: rgba(45,212,191,0.14);
    --accent-3: #FBBF24;
    --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 24px -8px rgba(0,0,0,0.5);
    --shadow-lg: 0 1px 2px rgba(0,0,0,0.4), 0 24px 60px -16px rgba(0,0,0,0.7);
    --vs-bg: #0A0A0A;
    --vs-text: #FAFAF7;
    --vs-text-secondary: #C5C5BD;
    --vs-border: #242424;
    --vs-white: #161616;
    --vs-primary: #FAFAF7;
    --vs-primary-hover: #E8E8E0;
    color-scheme: dark;
  }
  * { -webkit-tap-highlight-color: transparent; box-sizing: border-box; }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-padding-top: calc(3.85rem + env(safe-area-inset-top));
  }
  body {
    font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--fg);
    overflow-x: hidden;
    min-height: 100dvh;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  /* 覆盖根目录 common.css 的 body.vs-body（--vs-bg 固定浅色，会导致暗色正文不切换） */
  body.vs-body.feer-front {
    background: var(--bg);
    color: var(--fg);
  }
  html:not(.dark) {
    color-scheme: light;
  }
  body.menu-open { overflow: hidden; touch-action: none; }
  body, body * {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-duration: .28s;
    transition-timing-function: cubic-bezier(.2,.8,.2,1);
  }
  .font-display { font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; letter-spacing: -0.02em; }
  .font-mono { font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; }

  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; border: 2px solid var(--bg); }
  ::-webkit-scrollbar-thumb:hover { background: var(--muted); }

  .glass {
    background: color-mix(in srgb, var(--bg) 75%, transparent);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
  }
  .card { background: var(--card); border: 1px solid var(--border); }
  .text-fg { color: var(--fg); }
  .text-fg-2 { color: var(--fg-2); }
  .text-muted { color: var(--muted); }
  .bg-card { background: var(--card); }
  .border-token { border-color: var(--border); }
  .bg-bg-2 { background: var(--bg-2); }

  .gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, #FF8B6B 50%, var(--accent-3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .gradient-text-2 {
    background: linear-gradient(135deg, var(--accent-2) 0%, #5EEAD4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .btn-primary {
    background: var(--fg);
    color: var(--bg);
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform .35s var(--ease-out), background-color .28s, box-shadow .35s var(--ease-out), color .28s;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent);
    color: white;
    box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--accent) 55%, transparent);
  }
  .btn-primary:active { transform: translateY(0) scale(0.97); box-shadow: none; transition-duration: .12s; }
  .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.32), transparent 55%);
    opacity: 0;
    transition: opacity .35s var(--ease-out);
    pointer-events: none;
    z-index: 0;
  }
  .btn-primary:hover::after { opacity: 1; }
  .btn-primary > * { position: relative; z-index: 1; }

  .btn-ghost {
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform .35s var(--ease-out), border-color .28s, background-color .28s, box-shadow .35s var(--ease-out);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
  }
  .btn-ghost::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 58%);
    opacity: 0;
    transition: opacity .35s var(--ease-out);
    pointer-events: none;
  }
  .btn-ghost:hover {
    border-color: color-mix(in srgb, var(--fg) 55%, var(--border));
    background: color-mix(in srgb, var(--fg) 3%, transparent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
  }
  .btn-ghost:hover::after { opacity: 1; }
  .btn-ghost:active { transform: scale(0.97); box-shadow: none; transition-duration: .12s; }
  .btn-ghost > * { position: relative; z-index: 1; }

  /* 渐进增强：只有 JS 启用时才隐藏 reveal 元素 */
  html.js-enabled .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
  }
  html.js-enabled .reveal.visible { opacity: 1; transform: translateY(0); }
  .reveal-delay-1 { transition-delay: .08s; }
  .reveal-delay-2 { transition-delay: .16s; }
  .reveal-delay-3 { transition-delay: .24s; }
  .reveal-delay-4 { transition-delay: .32s; }

  .hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
  .hero-grid {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 70%);
    opacity: 0.6;
  }
  .hero-blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.45; }
  .blob-1 { width: 480px; height: 480px; background: var(--accent); top: -180px; right: -100px; animation: floatBlob 18s ease-in-out infinite; }
  .blob-2 { width: 380px; height: 380px; background: var(--accent-2); top: 100px; left: -140px; animation: floatBlob 22s ease-in-out infinite reverse; }
  .blob-3 { width: 320px; height: 320px; background: var(--accent-3); bottom: -100px; left: 40%; opacity: 0.25; animation: floatBlob 26s ease-in-out infinite; }
  @keyframes floatBlob {
    0%, 100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(40px,-30px) scale(1.08); }
    66% { transform: translate(-30px,40px) scale(0.94); }
  }

  /* 太阳系轨道：静态倾斜 + 节点远近缩放（模拟 3D 景深，避免 rotateY 进动闪烁） */
  .orbit-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 520px;
    margin: 0 auto;
    perspective: 1400px;
    perspective-origin: 50% 42%;
  }
  .orbit-shadow {
    position: absolute;
    left: 12%;
    right: 12%;
    bottom: 8%;
    height: 18%;
    border-radius: 50%;
    background: radial-gradient(ellipse at center,
      color-mix(in srgb, var(--fg) 22%, transparent) 0%,
      color-mix(in srgb, var(--accent) 10%, transparent) 42%,
      transparent 72%);
    filter: blur(10px);
    pointer-events: none;
    z-index: 0;
    transform: scaleY(0.55);
  }
  .orbit-stage {
    position: absolute;
    inset: 0;
    transform: rotateX(58deg) rotateZ(-8deg);
    transform-style: flat;
    z-index: 1;
  }
  .orbit-ring {
    position: absolute;
    inset: 0;
    border: 1.5px dashed color-mix(in srgb, var(--accent) 42%, transparent);
    border-radius: 50%;
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--accent) 8%, transparent),
      inset 0 0 24px color-mix(in srgb, var(--accent) 6%, transparent);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .orbit-ring.r2 {
    border-color: color-mix(in srgb, var(--accent-2) 42%, transparent);
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--accent-2) 8%, transparent),
      inset 0 0 20px color-mix(in srgb, var(--accent-2) 6%, transparent);
  }
  .orbit-ring.r3 {
    border-color: color-mix(in srgb, var(--accent-3) 42%, transparent);
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--accent-3) 8%, transparent),
      inset 0 0 16px color-mix(in srgb, var(--accent-3) 6%, transparent);
  }
  .orbit-node {
    position: absolute;
    width: 40px; height: 40px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    box-shadow:
      var(--shadow),
      0 8px 20px color-mix(in srgb, var(--fg) 7%, transparent);
    transform: translate(-50%, -50%);
    transform-origin: center center;
    will-change: transform, opacity, filter;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .orbit-node i { width: 18px; height: 18px; color: var(--fg); }
  .orbit-node.accent { background: var(--accent); border-color: var(--accent); }
  .orbit-node.accent i { color: white; }
  .orbit-node.accent-2 { background: var(--accent-2); border-color: var(--accent-2); }
  .orbit-node.accent-2 i { color: white; }
  .orbit-core {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%) translateZ(0);
    width: 76px; height: 76px;
    border-radius: 50%;
    background:
      radial-gradient(circle at 32% 28%, color-mix(in srgb, var(--bg) 28%, transparent), transparent 42%),
      var(--fg);
    color: var(--bg);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 13px; letter-spacing: 0.05em;
    box-shadow:
      0 0 0 6px color-mix(in srgb, var(--fg) 5%, transparent),
      0 0 48px color-mix(in srgb, var(--accent) 38%, transparent);
    animation: corePulse 3s ease-in-out infinite;
    z-index: 5;
  }
  .orbit-core.orbit-core--logo {
    width: auto; height: auto;
    min-width: 0; min-height: 0;
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: var(--fg);
    animation: none;
    box-shadow: none;
  }
  .orbit-wrap--logo .orbit-shadow {
    display: none;
  }
  @keyframes corePulse {
    0%, 100% {
      box-shadow:
        0 0 0 8px color-mix(in srgb, var(--fg) 5%, transparent),
        0 0 0 18px color-mix(in srgb, var(--accent) 8%, transparent),
        0 0 60px color-mix(in srgb, var(--accent) 45%, transparent),
        0 18px 40px color-mix(in srgb, var(--fg) 18%, transparent);
    }
    50% {
      box-shadow:
        0 0 0 14px color-mix(in srgb, var(--fg) 3%, transparent),
        0 0 0 28px color-mix(in srgb, var(--accent) 10%, transparent),
        0 0 90px color-mix(in srgb, var(--accent) 60%, transparent),
        0 22px 48px color-mix(in srgb, var(--fg) 22%, transparent);
    }
  }

  .marquee-viewport {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
    mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
  }
  .marquee {
    display: flex;
    gap: 12px;
    width: max-content;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .api-chip {
    flex-shrink: 0; display: inline-flex; align-items: center; gap: 10px;
    padding: 10px 16px; background: var(--card); border: 1px solid var(--border);
    border-radius: 999px; font-size: 14px; font-weight: 500; white-space: nowrap;
  }
  .api-chip-name { max-width: 12rem; overflow: hidden; text-overflow: ellipsis; }
  .api-chip-sep { color: var(--muted); font-weight: 400; }
  .api-chip-calls { font-size: 12px; color: var(--muted); font-family: ui-monospace, monospace; }
  .api-chip i { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
  .api-chip.s i { color: var(--accent-2); }
  .api-chip.t i { color: var(--accent-3); }

  .api-card {
    position: relative; background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 12px 14px; overflow: hidden;
    display: flex; flex-direction: column; gap: 6px;
    transition: transform .35s var(--ease-out), border-color .28s, box-shadow .35s var(--ease-out);
    cursor: pointer;
  }
  .api-card::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at var(--mx,50%) var(--my,0%), color-mix(in srgb, var(--accent) 14%, transparent), transparent 58%);
    opacity: 0; transition: opacity .35s var(--ease-out); pointer-events: none;
  }
  .api-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow); }
  .api-card:hover::before { opacity: 1; }
  .api-card:active { transform: translateY(-1px) scale(0.985); transition-duration: .12s; }
  .api-card:hover .api-icon-box { transform: scale(1.06); }
  .api-card .api-icon-box { transition: transform .35s var(--ease-out); }
  .api-card-top {
    display: flex; align-items: flex-start; gap: 12px; min-width: 0;
  }
  .api-card-main { flex: 1; min-width: 0; }
  .api-card-title-row {
    display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0;
  }
  .api-card-title-row h3 {
    margin: 0; font-family: inherit; font-size: 14px; font-weight: 600;
    line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .api-card-path {
    margin-top: 2px; font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .api-card-desc {
    margin: 4px 0 0; font-size: 12px; line-height: 1.45; color: var(--fg-2);
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 2.9em;
  }
  .api-card-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--border);
  }
  .api-card-foot .calls {
    font-size: 11px; font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; color: var(--muted);
  }
  .api-card .tag {
    flex-shrink: 0;
    padding: 2px 6px;
    font-size: 10px;
  }
  .api-card .api-icon-box {
    width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
    padding: 6px;
    box-sizing: border-box;
  }
  .api-card .api-icon-box i { width: 18px; height: 18px; }
  .api-icon-box {
    width: 48px; height: 48px; border-radius: 14px; display: flex;
    align-items: center; justify-content: center; background: var(--accent-soft); color: var(--accent);
    flex-shrink: 0;
  }
  .api-icon-box.green { background: var(--accent-2-soft); color: var(--accent-2); }
  .api-icon-box.yellow { background: color-mix(in srgb, var(--accent-3) 18%, transparent); color: var(--accent-3); }
  .api-icon-box i { width: 24px; height: 24px; }

  .tag {
    display: inline-flex; align-items: center; font-size: 11px; font-weight: 500;
    padding: 3px 8px; border-radius: 6px; background: var(--bg-2); color: var(--fg-2); letter-spacing: 0.02em;
  }
  .tag.free { background: var(--accent-2-soft); color: var(--accent-2); }
  .tag.hot { background: var(--accent-soft); color: var(--accent); }
  .tag.new { background: color-mix(in srgb, var(--accent-3) 20%, transparent); color: var(--accent-3); }

  .cat-tab {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.35;
    color: var(--fg-2);
    background: var(--card);
    border: 1px solid var(--border);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform .2s var(--ease-out), background-color .2s, color .2s, border-color .2s, box-shadow .2s;
  }
  .cat-tab:hover { border-color: color-mix(in srgb, var(--fg) 35%, var(--border)); color: var(--fg); }
  .cat-tab:active { transform: scale(0.96); }
  .cat-tab.active {
    background: var(--fg);
    color: var(--bg);
    border-color: var(--fg);
    box-shadow: 0 4px 12px -6px color-mix(in srgb, var(--fg) 40%, transparent);
  }
  .cat-scroll {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 24px;
  }

  .th3-api-search {
    position: relative;
    width: 100%;
    min-width: 0;
  }
  .th3-api-search__icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    pointer-events: none;
    z-index: 1;
  }
  .th3-api-search__icon [data-lucide],
  .th3-api-search__icon svg {
    width: 16px;
    height: 16px;
    display: block;
  }
  .th3-api-search .input {
    width: 100%;
    padding-left: 40px;
  }

  .demo-tab {
    display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px;
    cursor: pointer; border: 1px solid transparent; min-height: 48px;
    max-width: 100%; min-width: 0; box-sizing: border-box;
    color: var(--fg);
    transition: transform .25s var(--ease-out), background-color .25s, border-color .25s, box-shadow .25s;
  }
  button.demo-tab {
    width: 100%;
    margin: 0;
    font: inherit;
    text-align: left;
    background: transparent;
    appearance: none;
    -webkit-appearance: none;
  }
  .demo-tab .text-sm { color: var(--fg); }
  .demo-tab:hover { background: var(--bg-2); }
  .demo-tab:active { transform: scale(0.985); }
  .demo-tab.active {
    background: var(--card);
    border-color: var(--border);
    box-shadow: var(--shadow);
  }
  .demo-tab .dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); flex-shrink: 0;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-2) 20%, transparent);
  }

  .input {
    width: 100%; background: var(--bg-2); border: 1px solid transparent; border-radius: 12px;
    padding: 12px 16px; color: var(--fg); font-size: 16px; font-family: inherit; outline: none;
    transition: border-color .25s var(--ease-out), background-color .25s, box-shadow .25s var(--ease-out);
  }
  .input:focus {
    border-color: var(--accent);
    background: var(--card);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  }

  .json-block {
    font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; font-size: 13px; line-height: 1.7;
    color: var(--fg-2); white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    max-width: 100%; margin: 0;
  }
  .json-key { color: var(--accent); }
  .json-string { color: var(--accent-2); }
  .json-number { color: var(--accent-3); }
  .json-bool { color: #EC4899; }
  .json-punct { color: var(--muted); }
  .json-comment { color: var(--muted); font-style: italic; }

  .code-tabs {
    display: flex; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; max-width: 100%; min-width: 0;
  }
  .code-tabs::-webkit-scrollbar { display: none; }
  .code-tab {
    padding: 8px 14px; border-radius: 8px; font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 12px; font-weight: 500; color: var(--muted); cursor: pointer; flex-shrink: 0;
    min-height: 36px;
    transition: transform .2s var(--ease-out), background-color .2s, color .2s;
  }
  .code-tab:hover { color: var(--fg); background: color-mix(in srgb, var(--fg) 4%, transparent); }
  .code-tab:active { transform: scale(0.96); }
  .code-tab.active { background: var(--bg-2); color: var(--fg); }

  /* 在线演示区：防止子项把整页撑出横向滚动 */
  #playground { overflow-x: hidden; width: 100%; max-width: 100vw; }
  #playground .playground-grid { width: 100%; max-width: 100%; }
  #playground .playground-grid > * { min-width: 0; max-width: 100%; }
  #playground .card {
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }
  #playground .btn-primary,
  #playground .btn-ghost {
    max-width: 100%;
    box-sizing: border-box;
  }
  #playground .input {
    max-width: 100%;
    min-width: 0;
  }
  .demo-panel { width: 100%; max-width: 100%; min-width: 0; }
  .demo-select-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    gap: 8px;
  }
  .demo-api-search-wrap {
    position: relative;
    width: 100%;
    min-width: 0;
    padding: 0 2px;
  }
  .demo-api-search-wrap .demo-search-icon {
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 16px;
    height: 16px;
    margin: auto 0;
    color: var(--muted);
    pointer-events: none;
    z-index: 1;
  }
  .demo-api-search-wrap .demo-search-icon svg {
    width: 16px;
    height: 16px;
    display: block;
  }
  .demo-api-search-wrap .input {
    padding-left: 42px !important;
    padding-top: 10px;
    padding-bottom: 10px;
    font-size: 14px;
  }
  .demo-api-scroll {
    display: flex; flex-direction: column; gap: 4px;
    width: 100%; max-width: 100%; min-width: 0;
  }
  .demo-api-empty {
    padding: 16px 12px;
    text-align: center;
    font-size: 13px;
    color: var(--muted);
  }
  @media (min-width: 1024px) {
    .playground-grid {
      align-items: stretch;
    }
    .demo-select-card {
      height: 100%;
      max-height: 560px;
      overflow: hidden;
    }
    .demo-api-scroll {
      flex: 1 1 auto;
      min-height: 0;
      max-height: none;
      overflow-y: auto;
      overflow-x: hidden;
      padding-right: 2px;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
      scrollbar-color: var(--border) transparent;
    }
    .demo-api-scroll::-webkit-scrollbar { width: 6px; }
    .demo-api-scroll::-webkit-scrollbar-thumb {
      background: var(--border);
      border-radius: 999px;
    }
  }
  .demo-response-pane {
    min-height: 200px;
    max-height: 360px;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .demo-code-pane {
    max-height: 320px;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .feature-card {
    position: relative; background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; padding: 18px 20px; overflow: hidden;
    transition: transform .35s var(--ease-out), border-color .28s, box-shadow .35s var(--ease-out);
  }
  .feature-card::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at var(--mx,30%) var(--my,20%), color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%);
    opacity: 0; transition: opacity .35s var(--ease-out); pointer-events: none;
  }
  .feature-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--fg) 28%, var(--border));
    box-shadow: var(--shadow);
  }
  .feature-card:hover::before { opacity: 1; }
  .feature-card:active { transform: translateY(-1px) scale(0.99); transition-duration: .12s; }
  .feature-card:hover .api-icon-box { transform: scale(1.06); }
  .feature-card-head {
    display: flex; align-items: center; gap: 12px; margin-bottom: 10px; min-width: 0;
  }
  .feature-card-head .api-icon-box {
    width: 40px; height: 40px; border-radius: 11px;
    transition: transform .35s var(--ease-out);
  }
  .feature-card-head .api-icon-box i { width: 20px; height: 20px; }
  .feature-card-head h3 {
    margin: 0; font-size: 16px; font-weight: 600; line-height: 1.3;
  }
  .feature-card > p {
    margin: 0; font-size: 13px; line-height: 1.55; color: var(--fg-2);
  }

  .stat-num { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum'; }

  .theme-toggle {
    position: relative; width: 56px; height: 30px; background: var(--bg-2);
    border: 1px solid var(--border); border-radius: 999px; cursor: pointer;
  }
  .theme-toggle .knob {
    position: absolute; top: 2px; left: 2px; width: 24px; height: 24px;
    background: var(--card); border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform .4s cubic-bezier(.2,.8,.2,1);
    display: flex; align-items: center; justify-content: center;
  }
  html.dark .theme-toggle .knob { transform: translateX(26px); }
  .theme-toggle .knob i { width: 14px; height: 14px; }

  .nav-link {
    position: relative; color: var(--fg-2); font-size: 14px; font-weight: 500; padding: 6px 4px;
  }
  .nav-link:hover { color: var(--fg); }
  .nav-link::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: var(--accent); transition: width .3s;
  }
  .nav-link:hover::after { width: 100%; }

  .nav-link.is-active { color: var(--fg); font-weight: 600; }
  .nav-link.is-active::after { width: 100%; }

  /* ---- 主题三顶栏（桌面居中导航 / 手机下拉菜单） ---- */
  .th3-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    width: 100%;
    z-index: 200;
    border-bottom: 1px solid var(--border);
    padding-top: env(safe-area-inset-top);
    background: color-mix(in srgb, var(--bg) 94%, var(--card));
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
  }
  .th3-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    height: 3.75rem;
    min-width: 0;
  }
  .th3-header__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1 1 auto;
    max-width: calc(100% - 3.25rem);
    text-decoration: none;
    color: var(--fg);
  }
  .th3-header__name {
    color: var(--fg);
    font-size: 1rem;
    line-height: 1.25;
    min-width: 0;
  }
  .th3-header__nav {
    display: none;
  }
  .th3-header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    margin-left: auto;
  }
  .th3-header__theme {
    display: none;
  }
  .th3-header__cta {
    display: none !important;
  }
  .th3-header__menu-btn {
    width: 40px; height: 40px; border-radius: 12px;
    border: 1px solid var(--border); background: var(--card);
    display: inline-flex !important; align-items: center; justify-content: center;
    cursor: pointer; padding: 0; flex-shrink: 0;
    position: relative;
    z-index: 201;
  }
  @media (min-width: 1024px) {
    .th3-header__inner {
      display: grid;
      grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
      align-items: center;
      gap: 20px;
      height: 4rem;
    }
    .th3-header__brand {
      flex: none;
      max-width: none;
    }
    .th3-header__name { font-size: 1.125rem; }
    .th3-header__nav {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: nowrap;
      gap: clamp(1.35rem, 2.4vw, 2.35rem);
      min-width: 0;
      padding: 0 8px;
    }
    .th3-header__link {
      padding: 8px 6px;
      white-space: nowrap;
      font-size: 14px;
      letter-spacing: 0.01em;
    }
    .th3-header__actions {
      margin-left: 0;
      justify-content: flex-end;
      gap: 12px;
    }
    .th3-header__theme {
      display: inline-flex;
    }
    .th3-header__cta {
      display: inline-flex !important;
    }
    .th3-header__menu-btn,
    .mobile-menu,
    .menu-backdrop {
      display: none !important;
    }
  }

  .th3-auth-entry {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--fg);
    color: var(--bg);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: opacity .2s;
  }
  .th3-auth-entry:hover { opacity: 0.92; }
  .th3-auth-entry--user {
    background: var(--card);
    color: var(--fg);
    border: 1px solid var(--border);
  }
  .th3-auth-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    object-fit: cover; flex-shrink: 0;
    border: 2px solid color-mix(in srgb, var(--bg) 30%, transparent);
  }
  .th3-auth-entry--user .th3-auth-avatar {
    border-color: var(--border);
  }
  .th3-mobile-nav-link.is-active::after { width: 100%; }
  .th3-mobile-cta { gap: 8px; width: 100%; }

  .mobile-menu {
    top: calc(3.75rem + env(safe-area-inset-top));
    transform: translateY(-12px); opacity: 0; pointer-events: none; visibility: hidden;
    transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .25s, visibility .25s;
    max-height: min(70vh, calc(100dvh - 3.75rem - env(safe-area-inset-top)));
    overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  .th3-mobile-menu {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 195;
  }
  .mobile-menu.open {
    transform: translateY(0); opacity: 1; pointer-events: auto; visibility: visible;
  }
  .menu-backdrop {
    position: fixed; inset: 0; top: calc(3.75rem + env(safe-area-inset-top)); z-index: 190;
    background: color-mix(in srgb, var(--fg) 42%, transparent);
    opacity: 0; pointer-events: none; visibility: hidden;
    transition: opacity .25s, visibility .25s;
  }
  .menu-backdrop.show {
    opacity: 1; pointer-events: auto; visibility: visible;
  }

  .site-header {
    padding-top: env(safe-area-inset-top);
  }
  .site-header .nav-inner {
    height: 3.75rem;
  }
  @media (min-width: 1024px) {
    .site-header .nav-inner {
      height: 4rem;
    }
  }

  .ticker {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
    background: var(--card); border: 1px solid var(--border); border-radius: 999px;
    font-size: 12px; color: var(--fg-2); font-weight: 500;
  }
  .ticker .pulse {
    width: 8px; height: 8px; background: var(--accent-2); border-radius: 50%;
    animation: pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 60%, transparent); }
    50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent-2) 0%, transparent); }
  }

  .loading-bar {
    height: 2px; background: var(--accent); border-radius: 2px; transform-origin: left;
    animation: loadingGrow 1.4s ease-in-out infinite;
  }
  @keyframes loadingGrow {
    0% { transform: scaleX(0); opacity: 1; }
    50% { transform: scaleX(1); opacity: 1; }
    100% { transform: scaleX(1); opacity: 0; }
  }

  .price-card {
    position: relative; background: var(--card); border: 1px solid var(--border);
    border-radius: 18px; padding: 24px 22px;
    overflow: hidden;
    transition: transform .35s var(--ease-out), border-color .28s, box-shadow .35s var(--ease-out);
  }
  .price-card::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at var(--mx,50%) var(--my,20%), color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%);
    opacity: 0; transition: opacity .35s var(--ease-out); pointer-events: none;
  }
  .price-card.featured { background: var(--fg); color: var(--bg); transform: scale(1.02); }
  .price-card.featured .text-muted { color: color-mix(in srgb, var(--bg) 60%, transparent); }
  .price-card.featured::before {
    background: radial-gradient(circle at var(--mx,50%) var(--my,20%), color-mix(in srgb, var(--accent) 28%, transparent), transparent 55%);
  }
  .price-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
  .price-card:hover::before { opacity: 1; }
  .price-card.featured:hover { transform: translateY(-3px) scale(1.02); }
  .price-card:active { transform: translateY(-1px) scale(0.99); transition-duration: .12s; }
  .price-card.featured:active { transform: translateY(-1px) scale(1.01); transition-duration: .12s; }
  .price-card .price-cta { margin-bottom: 16px; }
  .price-card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
  .price-card .price-desc { margin-bottom: 14px; }

  .foot-link {
    display: inline-flex; align-items: center; color: var(--fg-2); font-size: 13px;
    padding: 2px 0; line-height: 1.4; transition: color .2s;
  }
  .foot-link:hover { color: var(--accent); }
  .site-footer { padding-top: 2rem; padding-bottom: calc(1.5rem + env(safe-area-inset-bottom)); }
  .site-footer .footer-brand { margin-bottom: 0.75rem; }
  .site-footer .footer-desc { margin: 0; line-height: 1.5; }
  .site-footer .footer-social { margin-top: 0.75rem; gap: 8px; }
  .site-footer .footer-bottom {
    display: flex; flex-direction: column; align-items: center; justify-content: space-between;
    gap: 10px; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border);
  }
  @media (min-width: 640px) {
    .site-footer .footer-bottom { flex-direction: row; }
  }

  /* 仅精细指针设备启用悬停位移，避免手机点击后「粘住」悬停态 */
  @media (hover: none), (pointer: coarse) {
    .btn-primary:hover { transform: none; box-shadow: none; }
    .btn-ghost:hover { transform: none; box-shadow: none; }
    .api-card:hover { transform: none; box-shadow: none; }
    .api-card:hover::before { opacity: 0; }
    .api-card:hover .api-icon-box { transform: none; }
    .feature-card:hover { transform: none; box-shadow: none; }
    .feature-card:hover::before { opacity: 0; }
    .feature-card:hover .api-icon-box { transform: none; }
    .price-card:hover { transform: none; box-shadow: none; }
    .price-card:hover::before { opacity: 0; }
    .price-card.featured:hover { transform: scale(1.02); }
    .foot-link:hover { transform: none; }
  }

  @media (min-width: 640px) {
    .input { font-size: 14px; }
  }

  @media (max-width: 1024px) {
    .orbit-stage { transform: rotateX(54deg) rotateZ(-7deg); }
  }

  /* 手机/平板单列：首屏文案正中居中；桌面双列仍左对齐走位 */
  @media (max-width: 1023px) {
    .hero-copy {
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .hero-copy h1 {
      text-align: center;
    }
    .hero-copy .hero-lead {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .hero-copy .hero-actions {
      width: 100%;
      justify-content: center;
    }
    .hero-copy .hero-trust {
      justify-content: center;
    }
    /* 手机端不展示星环视觉，只保留文案与 CTA */
    .hero-visual {
      display: none !important;
    }
  }

  @media (max-width: 768px) {
    .orbit-wrap { max-width: min(320px, 88vw); }
    .orbit-stage { transform: rotateX(50deg) rotateZ(-6deg); }
    .orbit-node { width: 40px; height: 40px; border-radius: 12px; }
    .orbit-node i { width: 18px; height: 18px; }
    .orbit-core { width: 64px; height: 64px; font-size: 11px; }
    .orbit-shadow { bottom: 10%; height: 16%; }
    .hero-blob { filter: blur(60px); opacity: 0.35; }
    .blob-1 { width: 280px; height: 280px; }
    .blob-2 { width: 220px; height: 220px; }
    .blob-3 { width: 180px; height: 180px; }
    .api-card { padding: 12px 14px; border-radius: 12px; gap: 6px; }
    .api-card .api-icon-box { width: 32px; height: 32px; border-radius: 8px; }
    .api-card .api-icon-box i { width: 16px; height: 16px; }
    .api-card-title-row h3 { font-size: 13px; }
    .api-card-foot { padding-top: 6px; }
    .feature-card { padding: 16px; border-radius: 14px; }
    .feature-card-head { gap: 10px; margin-bottom: 8px; }
    .feature-card-head .api-icon-box { width: 36px; height: 36px; border-radius: 10px; }
    .feature-card-head .api-icon-box i { width: 18px; height: 18px; }
    .feature-card-head h3 { font-size: 15px; }
    .price-card { padding: 20px 18px; border-radius: 16px; }
    .price-card.featured { transform: none; }
    .price-card.featured:hover { transform: none; }
    .json-block { font-size: 12px; line-height: 1.55; }
    .demo-response-pane { min-height: 160px; max-height: 240px; }
    .demo-code-pane { max-height: 220px; }
    /* 手机：选择 API 两列网格 + 限高滚动；电脑端保持单列列表 */
    .demo-api-scroll {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      max-height: 220px;
      overflow-y: auto;
      overflow-x: hidden;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior: contain;
      padding-right: 2px;
      width: 100%;
      max-width: 100%;
    }
    .demo-api-scroll .demo-tab {
      flex: none;
      min-width: 0;
      width: 100%;
      max-width: 100%;
      padding: 8px 10px;
      background: var(--bg-2);
      gap: 8px;
    }
    .demo-api-scroll .demo-tab.active {
      background: var(--card);
      border-color: var(--border);
    }
    .demo-api-scroll .demo-tab .api-icon-box {
      width: 26px !important;
      height: 26px !important;
      border-radius: 8px !important;
    }
    .demo-api-scroll .demo-tab-path {
      display: none;
    }
    .demo-api-scroll .demo-tab .text-sm {
      font-size: 12px;
    }
    .demo-tab .dot { display: none; }
    #playground .playground-grid {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .demo-select-card {
      gap: 6px;
      padding: 12px !important;
    }
    #playground .demo-panel > .card {
      border-radius: 16px;
    }
    #playground .demo-panel:nth-child(2) .card {
      padding: 14px !important;
    }
    #playground #demoDesc {
      font-size: 13px;
      margin-bottom: 12px !important;
    }
    #playground #demoForm {
      margin-bottom: 12px !important;
    }
    .api-chip { padding: 8px 12px; font-size: 13px; }
    html.js-enabled .reveal { transform: translateY(18px); }
  }

  @media (max-width: 480px) {
    .orbit-wrap { max-width: min(280px, 86vw); }
    .orbit-node { width: 34px; height: 34px; border-radius: 10px; }
    .orbit-node i { width: 15px; height: 15px; }
    .orbit-core { width: 52px; height: 52px; font-size: 10px; box-shadow: 0 0 0 6px color-mix(in srgb, var(--fg) 5%, transparent), 0 0 40px color-mix(in srgb, var(--accent) 35%, transparent); }
    .btn-primary, .btn-ghost { padding: 11px 18px; }
    .theme-toggle { width: 50px; height: 28px; }
    .theme-toggle .knob { width: 22px; height: 22px; }
    html.dark .theme-toggle .knob { transform: translateX(22px); }
  }

  /* 切勿把 duration 压成 0.01ms 仍 infinite —— 会变成狂闪/极速假象 */
  @media (prefers-reduced-motion: reduce) {
    .hero-blob,
    .orbit-core,
    .ticker .pulse,
    .loading-bar {
      animation: none !important;
    }
    html.js-enabled .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    .btn-primary:hover,
    .btn-ghost:hover,
    .api-card:hover,
    .feature-card:hover,
    .price-card:hover,
    .price-card.featured:hover {
      transform: none;
    }
    .btn-primary::after,
    .btn-ghost::after,
    .api-card::before,
    .feature-card::before,
    .price-card::before {
      display: none !important;
    }
  }


/* Theme three shell */
.th3-root { min-height: 100dvh; overflow-x: hidden; }
.th3-root .font-display { font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; letter-spacing: -0.02em; }
.th3-root .font-mono { font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; }
.vs-seo-fallback-desc {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.api-icon-box img.api-icon-img {
  width: 22px; height: 22px; object-fit: contain; display: block;
}
.api-chip .api-icon-img,
.api-chip img.api-icon-img {
  width: 16px !important;
  height: 16px !important;
  max-width: 16px;
  max-height: 16px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}
.api-card .api-icon-box img.api-icon-img {
  width: 18px !important;
  height: 18px !important;
}
.demo-select-card .api-icon-box img.api-icon-img {
  width: 18px !important;
  height: 18px !important;
}
.api-icon-box .api-icon-fallback {
  font-size: 12px; font-weight: 700; color: var(--fg);
}
.th3-stub {
  max-width: 40rem; margin: 6rem auto; padding: 2rem; text-align: center;
}
.th3-stub a { color: var(--accent); text-decoration: underline; }
[data-lucide] svg { width: 1em; height: 1em; display: block; }

.stat-suffix{font-size:0.65em;margin-left:0.1em;font-weight:700;}
.th3-brand-logo{width:32px;height:32px;max-width:32px;max-height:32px;flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center;}
@media (min-width:1024px){
.th3-brand-logo{width:36px;height:36px;max-width:36px;max-height:36px;}
}
.th3-brand-logo--img{background:transparent !important;border:none;}
.th3-brand-logo--fallback{background:var(--card);border:1px solid var(--border);}
.th3-brand-dot{display:block;width:0.5rem;height:0.5rem;border-radius:999px;background:var(--accent);}
.th3-brand-logo img,
.th3-brand-logo .vs-site-logo-img,
.th3-brand-logo .th3-brand-img{width:100%;height:100%;max-width:36px;max-height:36px;object-fit:contain;display:block;background:transparent;}
.orbit-core--logo{padding:0;font-size:0;line-height:0;background:transparent !important;box-shadow:none !important;}
.orbit-core.orbit-core--logo .orbit-core__logo,
.orbit-core.orbit-core--logo .vs-site-logo-img{display:flex;align-items:center;justify-content:center;width:auto;height:auto;}
.orbit-core__logo img,
.orbit-core .vs-site-logo-img{max-width:56px;max-height:56px;width:auto;height:auto;object-fit:contain;display:block;background:transparent;}
.api-card-path{display:none !important;}
.api-card-chips{max-width:52%;gap:3px;}
.api-card-chips .tag{font-size:10px;padding:2px 7px;line-height:1.35;}
.th3-pg-field{display:flex;flex-direction:column;gap:6px;margin-bottom:10px;}
.th3-pg-input{width:100%;}
.orbit-ring.r1{inset:8%;}
.orbit-ring.r2{inset:18%;}
.orbit-ring.r3{inset:30%;}

.th3-apis-page{min-height:60vh;}

/* API 卡片多标签 */
.api-card-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0;
  max-width: 58%;
}
.api-card-title-row { align-items: flex-start; gap: 8px; }
.api-card-title-row h3 { flex: 1; min-width: 0; }
.tag.points { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.tag.key { background: color-mix(in srgb, var(--accent-3) 18%, transparent); color: var(--accent-3); }
.tag.disabled { background: color-mix(in srgb, #ef4444 16%, transparent); color: #ef4444; }
.api-card.is-disabled { opacity: 0.55; }
.api-card.is-maintenance { opacity: 0.85; }

/* th3 public pages */
.th3-page {
  padding-top: calc(3.75rem + env(safe-area-inset-top) + 2.5rem);
  padding-bottom: 4rem;
  min-height: 60vh;
}
.th3-page__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.15;
}
.th3-page__lead {
  margin: 0.65rem 0 0;
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 36rem;
}
.th3-panel {
  padding: 1.25rem 1.35rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}
.th3-notice {
  margin: 0;
}
.th3-alert {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--fg-2);
  font-size: 0.9rem;
}
.th3-alert--error {
  background: color-mix(in srgb, #ef4444 8%, var(--card));
  border-color: color-mix(in srgb, #ef4444 28%, var(--border));
  color: #b91c1c;
}
.th3-alert--success {
  background: color-mix(in srgb, var(--accent-2) 10%, var(--card));
  border-color: color-mix(in srgb, var(--accent-2) 30%, var(--border));
  color: #0f766e;
}
.th3-link-card {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.25s;
}
.th3-link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.th3-link-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-2);
}
.th3-link-card__avatar--text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  background: var(--accent-soft);
}
.th3-link-card__body {
  min-width: 0;
  flex: 1;
}
.th3-link-card__body strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}
.th3-link-card__body p {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  color: var(--fg-2);
  line-height: 1.45;
}
.th3-contrib-card {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.15rem 1.2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.25s;
}
.th3-contrib-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.th3-contrib-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-2);
}
.th3-contrib-card__avatar--text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}
.th3-contrib-card__main {
  min-width: 0;
  flex: 1;
}
.th3-contrib-card__main strong {
  display: block;
  font-size: 1.05rem;
}
.th3-contrib-card__bio {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--fg-2);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.th3-contrib-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 0.55rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.th3-contrib-card__stats b {
  color: var(--fg);
  font-weight: 600;
}
.th3-cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 70%, var(--card)), var(--card));
}
.th3-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.th3-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--fg-2);
}
.th3-field > span:first-child {
  font-weight: 500;
  color: var(--fg);
}
.th3-field-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}
.th3-field-row .input {
  flex: 1;
  min-width: 0;
}
.th3-field-row .btn-ghost {
  flex-shrink: 0;
  padding: 0 1rem;
}
.th3-field-hint {
  font-size: 0.8rem;
  color: var(--muted);
  min-height: 1.1em;
}
.th3-field-hint.is-ok { color: var(--accent-2); }
.th3-field-hint.is-err { color: #ef4444; }
.th3-textarea {
  resize: vertical;
  min-height: 5rem;
}
.th3-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.th3-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--fg-2);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s var(--ease-out);
}
.th3-pill:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  color: var(--fg);
}
.th3-pill.is-active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.th3-donate {
  text-align: center;
}
.th3-donate__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}
.th3-donate__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.th3-donate__panel img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  border-radius: 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: opacity 0.18s;
}
.th3-donate__panel img.is-fading {
  opacity: 0.35;
}
.th3-profile-head {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  padding: 1.35rem 1.4rem;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}
.th3-profile-head__avatar {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-2);
}
.th3-profile-head__avatar--text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}
.th3-profile-search {
  max-width: 16rem;
  width: 100%;
}
.th3-profile-api {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.25s;
}
.th3-profile-api:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.th3-profile-api__top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}
.th3-profile-api__name {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.th3-profile-api__meta {
  margin-top: 0.4rem;
}
.footer-links a {
  color: var(--fg-2);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--accent);
}

/* 主题三 · 页脚 */
.th3-footer {
  padding-top: 2.5rem;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--fg);
}
.th3-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.th3-footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 36rem;
}
.th3-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.th3-footer__logo {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--fg);
}
.th3-footer__logo--img {
  background: transparent;
  border: none;
}
.th3-footer__logo--fallback {
  background: var(--fg);
}
.th3-footer__logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.th3-footer__logo-img,
.th3-footer__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.th3-footer__name {
  color: var(--fg);
  min-width: 0;
}
.th3-footer__desc {
  margin: 0;
  line-height: 1.6;
}
.th3-footer-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 0.25rem;
}
.th3-social-item {
  position: relative;
  display: inline-flex;
}
.th3-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  color: var(--fg);
  text-decoration: none;
  transition: border-color .2s, background-color .2s, transform .2s var(--ease-out);
}
.th3-social-btn img {
  width: 18px;
  height: 18px;
  display: block;
  object-fit: contain;
}
.th3-social-btn:hover {
  border-color: color-mix(in srgb, var(--fg) 28%, var(--border));
  background: var(--bg-2);
  transform: translateY(-1px);
}
.th3-social-qr-pop {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px) scale(0.96);
  width: 120px;
  height: 120px;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s var(--ease-out), transform .22s var(--ease-out), visibility .22s;
  z-index: 20;
}
.th3-social-qr-pop img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 6px;
}
.th3-social-item--qr:hover .th3-social-qr-pop,
.th3-social-item--qr:focus-within .th3-social-qr-pop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}
.th3-footer__meta {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.th3-footer .vs-foot-custom {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-2);
}
.th3-footer .vs-foot-custom__slot {
  min-width: 0;
  text-align: center;
}
.th3-footer .vs-foot-custom a {
  color: var(--fg-2);
  text-decoration: none;
}
.th3-footer .vs-foot-custom a:hover {
  color: var(--accent);
}
@media (min-width: 768px) {
  .th3-footer .vs-foot-custom {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
  }
  .th3-footer .vs-foot-custom__slot--left { text-align: left; }
  .th3-footer .vs-foot-custom__slot--center { text-align: center; }
  .th3-footer .vs-foot-custom__slot--right { text-align: right; }
}
.th3-footer__runtime-wrap {
  display: flex;
  justify-content: center;
}
.th3-footer__runtime {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.th3-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  text-align: center;
}
.th3-footer__copy,
.th3-footer__beian {
  width: 100%;
  text-align: center;
}
@media (min-width: 768px) {
  .th3-footer__bottom {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 16px;
  }
  .th3-footer__copy {
    width: auto;
    flex: 1 1 auto;
    text-align: left;
  }
  .th3-footer__beian {
    width: auto;
    flex: 0 0 auto;
  }
}
.th3-footer__beian {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 12px;
  color: var(--fg-2);
  text-decoration: none;
}
.th3-footer__beian:hover {
  color: var(--accent);
}
.th3-footer__beian img {
  width: 16px;
  height: 16px;
  display: block;
}
html.dark .th3-footer__logo--fallback {
  background: var(--fg);
}
html.dark .th3-social-btn {
  background: var(--card);
  border-color: var(--border);
}
html.dark .th3-social-qr-pop {
  background: var(--card);
  border-color: var(--border);
}
html.dark .th3-footer__beian {
  color: var(--fg-2);
}
@media (prefers-reduced-motion: reduce) {
  .th3-link-card:hover,
  .th3-contrib-card:hover,
  .th3-profile-api:hover,
  .th3-article-card:hover {
    transform: none;
  }
}

/* articles + detail */
.th3-article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 20px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.25s;
}
.th3-article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.th3-article-card__cover {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: var(--bg-2);
}
.th3-article-card__body { padding: 1.1rem 1.2rem 1.25rem; }
.th3-article-cover {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 20px;
}
.th3-cmt__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  padding: 0 0.4rem;
  margin-left: 0.35rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}
.th3-cmt-fields {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .th3-cmt-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.th3-cmt-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.75rem;
}
.th3-cmt-toolbar .btn-primary { margin-left: auto; }
.th3-cmt-emoji-wrap { position: relative; }
.th3-cmt-emoji-panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
  padding: 0.5rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-lg);
}
.th3-cmt-emoji-panel button {
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
}
.th3-cmt-emoji-panel button:hover { background: var(--bg-2); }
.th3-cmt-quote {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: 14px;
  border: 1px dashed color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--accent-soft);
}
.th3-cmt-quote__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-right: 0.35rem;
}
.th3-cmt-quote__name { font-weight: 600; margin-right: 0.35rem; }
.th3-cmt-quote__text { color: var(--fg-2); font-size: 0.875rem; }
.th3-cmt-quote__clear { padding: 0.2rem 0.55rem !important; flex-shrink: 0; }
.th3-cmt-list { display: flex; flex-direction: column; gap: 1rem; }
.th3-cmt-item {
  display: flex;
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}
.th3-cmt-item.is-flash {
  animation: th3CmtFlash 1.2s ease;
}
@keyframes th3CmtFlash {
  0%, 100% { background: transparent; }
  30% { background: color-mix(in srgb, var(--accent) 10%, transparent); }
}
.th3-cmt-avatar-wrap { flex-shrink: 0; }
.th3-cmt-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  display: block;
  background: var(--bg-2);
}
.th3-cmt-avatar--letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}
.th3-cmt-main { min-width: 0; flex: 1; }
.th3-cmt-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.35rem;
}
.th3-cmt-name {
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
}
.th3-cmt-ref {
  display: block;
  width: 100%;
  text-align: left;
  margin: 0 0 0.45rem;
  padding: 0.45rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--fg-2);
}
.th3-cmt-ref__name { font-weight: 600; color: var(--fg); margin-right: 0.35rem; }
.th3-cmt-body { line-height: 1.6; word-break: break-word; }
.th3-cmt-admin-reply {
  margin-top: 0.55rem;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent-2) 10%, var(--card));
  border: 1px solid color-mix(in srgb, var(--accent-2) 25%, var(--border));
  font-size: 0.875rem;
}
.th3-cmt-admin-reply__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 0.25rem;
}
.th3-cmt-actions { margin-top: 0.5rem; }

.th3-detail__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}
.th3-detail__head-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.th3-alert--danger {
  background: color-mix(in srgb, #ef4444 8%, var(--card));
  border-color: color-mix(in srgb, #ef4444 28%, var(--border));
  color: #b91c1c;
}
.th3-alert--warn {
  background: color-mix(in srgb, var(--accent-3) 12%, var(--card));
  border-color: color-mix(in srgb, var(--accent-3) 35%, var(--border));
  color: #b45309;
}
.th3-endpoint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 0.9rem;
  border-radius: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  word-break: break-all;
}
.th3-endpoint__mask { letter-spacing: 0.08em; color: var(--muted); filter: blur(2px); }
.th3-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
}
@media (min-width: 768px) {
  .th3-info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.th3-info-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}
.th3-info-value { font-size: 0.95rem; font-weight: 500; }
.th3-panel__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
}
.th3-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.th3-table-wrap { overflow-x: auto; }
.th3-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.th3-table th,
.th3-table td {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.th3-table th {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
.th3-code {
  margin: 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.th3-qs-auth,
.th3-qs-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.th3-qs-panel { position: relative; }
.th3-qs-copy {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 2;
}
.th3-pg-grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 900px) {
  .th3-pg-grid { grid-template-columns: 1fr 1fr; }
}
.th3-field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-2);
  margin-bottom: 0.4rem;
}
.th3-method-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.th3-pg-params {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.th3-pg-resp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.th3-pg-key-hint {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  color: var(--fg-2);
}
.th3-pg-key-hint a { color: var(--accent); }

/* 主题三 · 昼夜模式补强（对齐 api主题8） */
html.dark .th3-header {
  background: color-mix(in srgb, var(--bg) 96%, var(--card));
  border-bottom-color: var(--border);
}
html.dark .th3-mobile-menu,
html.dark .mobile-menu.open {
  background: var(--card);
}
html.dark .menu-backdrop.show {
  background: rgba(0, 0, 0, 0.58);
}
html.dark .input {
  background: var(--bg-2);
  color: var(--fg);
  border-color: var(--border);
}
html.dark .hero-grid { opacity: 0.3; }
html.dark .card,
html.dark .api-card,
html.dark .feature-card,
html.dark .price-card,
html.dark .demo-select-card {
  background: var(--card);
  border-color: var(--border);
}
html.dark .btn-ghost:hover {
  background: var(--bg-2);
  border-color: color-mix(in srgb, var(--border) 80%, var(--fg));
}
html.dark .json-block {
  background: var(--bg-2);
  color: var(--fg-2);
}
html.dark .api-chip {
  background: var(--card);
  border-color: var(--border);
}
html.dark body.vs-body,
html.dark body.vs-body.feer-front {
  background: var(--bg);
  color: var(--fg);
}
html.dark body.vs-body a {
  color: var(--fg-2);
}
html.dark body.vs-body a:hover {
  color: var(--accent);
}
html.dark .th3-root {
  background: var(--bg);
  color: var(--fg);
}
html.dark .th3-root h1,
html.dark .th3-root h2,
html.dark .th3-root h3,
html.dark .th3-root h4 {
  color: var(--fg);
}
html.dark .th3-header__link,
html.dark .th3-mobile-nav-link {
  color: var(--fg-2);
}
html.dark .th3-header__link:hover,
html.dark .th3-header__link.is-active,
html.dark .th3-mobile-nav-link:hover,
html.dark .th3-mobile-nav-link.is-active {
  color: var(--fg);
}
html.dark .site-footer {
  background: var(--bg);
  color: var(--fg);
}
html.dark .footer-links a {
  color: var(--fg-2);
}
html.dark .api-card h3,
html.dark .api-card-desc,
html.dark .feature-card p,
html.dark .price-card p {
  color: var(--fg-2);
}
html.dark .api-card h3 {
  color: var(--fg);
}
html.dark .cat-tab {
  background: var(--card);
  border-color: var(--border);
  color: var(--fg-2);
}
html.dark .cat-tab:hover {
  border-color: color-mix(in srgb, var(--fg) 35%, var(--border));
  color: var(--fg);
}
html.dark .cat-tab.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
html.dark .th3-api-search .input {
  background: var(--bg-2);
  color: var(--fg);
  border-color: var(--border);
}
html.dark .input::placeholder {
  color: var(--muted);
}
html.dark .demo-tab.active {
  background: var(--card);
  border-color: var(--border);
}
html.dark button.demo-tab:not(.active) {
  background: transparent;
}
@media (max-width: 1023px) {
  .demo-api-scroll .demo-tab .text-sm.truncate {
    white-space: normal;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.35;
    word-break: break-word;
  }
}

.th3-announce-bundle + section.relative,
.th3-hero-section.th3-hero--with-announce {
  padding-top: calc(3.75rem + env(safe-area-inset-top) + 3.5rem);
}
@media (min-width: 640px) {
  .th3-announce-bundle + section.relative,
  .th3-hero-section.th3-hero--with-announce {
    padding-top: calc(3.75rem + env(safe-area-inset-top) + 3.75rem);
  }
}
@media (min-width: 1024px) {
  .th3-announce-bundle + section.relative,
  .th3-hero-section.th3-hero--with-announce {
    padding-top: calc(4rem + env(safe-area-inset-top) + 4rem);
  }
}

.th3-announce-wrap {
  position: fixed;
  top: calc(3.75rem + env(safe-area-inset-top) + 0.5rem);
  left: 0;
  right: 0;
  z-index: 180;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  background: transparent;
  border: none;
  pointer-events: none;
}
@media (min-width: 1024px) {
  .th3-announce-wrap {
    top: calc(4rem + env(safe-area-inset-top) + 0.5rem);
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
@media (min-width: 640px) and (max-width: 1023px) {
  .th3-announce-wrap { padding-left: 1.25rem; padding-right: 1.25rem; }
}
.th3-announce-wrap--pending {
  visibility: hidden;
  opacity: 0;
}
.th3-announce-wrap--ready {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.18s ease;
}
.th3-announce-bar {
  width: 100%;
  height: 36px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: inherit;
  pointer-events: auto;
}
.th3-announce__label {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.th3-announce__marquee {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  height: 1.35rem;
}
.th3-announce__track {
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--fg-2);
  opacity: 0;
  animation: none;
  transform: translateX(100%);
}
.th3-announce__track.is-ready {
  opacity: 1;
  animation: th3AnnounceMarquee var(--notice-duration, 24s) linear infinite;
  transform: translateX(var(--notice-start, 0px));
}
@keyframes th3AnnounceMarquee {
  from { transform: translateX(var(--notice-start, 100%)); }
  to { transform: translateX(var(--notice-end, -100%)); }
}
.th3-announce__action {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--muted);
}
.th3-announce-modal {
  position: fixed;
  inset: 0;
  z-index: 5600;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.th3-announce-modal.is-open { display: flex; }
body.th3-announce-modal-open { overflow: hidden; }
.th3-announce-modal__mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
  cursor: pointer;
}
.th3-announce-modal__card {
  position: relative;
  z-index: 1;
  width: min(100%, 40rem);
  max-height: min(86vh, 34rem);
  max-height: min(86dvh, 34rem);
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.th3-announce-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border);
}
.th3-announce-modal__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}
.th3-announce-modal__close {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
}
.th3-announce-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.15rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--fg-2);
}
.th3-announce-modal__body p { margin: 0 0 0.75rem; }
.th3-announce-modal__footer {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  padding: 0.85rem 1.15rem;
  border-top: 1px solid var(--border);
}
.th3-announce-btn {
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
}
.th3-announce-btn--primary {
  background: var(--fg);
  color: var(--bg);
  border-color: transparent;
}
.th3-announce-btn--ghost { color: var(--muted); }
@media (max-width: 639px) {
  .th3-announce__action { display: none; }
}