/* ==========================================================
   AgentPlus 官网
   ========================================================== */

:root {
  interpolate-size: allow-keywords;
  color-scheme: light;
  --bg: #f4f5f7;
  --bg-2: #eceef2;
  --ink: #141b24;
  --ink-2: #3a4450;
  --muted: #5a6573;
  --faint: #8b95a2;
  --line: rgba(20, 27, 36, .08);
  --line-2: rgba(20, 27, 36, .14);

  --accent: #2346c4;
  --accent-hover: #1b39a6;
  --accent-ink: #fff;
  --accent-soft: rgba(35, 70, 196, .08);

  --ok: #16a36a;
  --add: #15803d;
  --add-bg: rgba(22, 163, 106, .12);
  --del: #d4382c;
  --del-bg: rgba(212, 56, 44, .1);

  --glass: rgba(255, 255, 255, .62);
  --glass-strong: rgba(255, 255, 255, .82);
  --glass-border: rgba(255, 255, 255, .8);
  --glass-edge: rgba(20, 27, 36, .06);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, .8) inset, 0 10px 36px -14px rgba(20, 27, 36, .16), 0 1px 3px rgba(20, 27, 36, .05);
  --blur: 22px;

  --term-bg: rgba(13, 17, 30, .92);
  --term-ink: #d6ddec;

  --blob-1: #a9b8d6;
  --blob-2: #e3d3b8;
  --blob-3: #b4cdc6;
  --blob-4: #d9c9c1;
  --blob-op: .45;

  --radius: 20px;
  --radius-sm: 12px;
  --font: "Inter", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", "Cascadia Mono", "SF Mono", Consolas, "Microsoft YaHei", monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e1217;
    --bg-2: #131820;
    --ink: #e5e9ef;
    --ink-2: #c1c8d2;
    --muted: #9aa4b1;
    --faint: #6f7986;
    --line: rgba(255, 255, 255, .07);
    --line-2: rgba(255, 255, 255, .13);
    --accent: #6f9bff;
    --accent-hover: #8cb0ff;
    --accent-ink: #0e1217;
    --accent-soft: rgba(111, 155, 255, .12);
    --ok: #3ddc97;
    --add: #4ade80;
    --add-bg: rgba(74, 222, 128, .12);
    --del: #ff7b72;
    --del-bg: rgba(255, 123, 114, .12);
    --glass: rgba(24, 29, 37, .55);
    --glass-strong: rgba(28, 34, 43, .82);
    --glass-border: rgba(255, 255, 255, .09);
    --glass-edge: rgba(255, 255, 255, .04);
    --glass-shadow: 0 1px 0 rgba(255, 255, 255, .06) inset, 0 20px 50px -20px rgba(0, 0, 0, .7), 0 2px 8px -2px rgba(0, 0, 0, .4);
    --term-bg: rgba(6, 8, 16, .85);
    --blob-1: #2a3a5c;
    --blob-2: #4a3f2e;
    --blob-3: #26443f;
    --blob-4: #3a2f33;
    --blob-op: .5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1217;
  --bg-2: #131820;
  --ink: #e5e9ef;
  --ink-2: #c1c8d2;
  --muted: #9aa4b1;
  --faint: #6f7986;
  --line: rgba(255, 255, 255, .07);
  --line-2: rgba(255, 255, 255, .13);
  --accent: #6f9bff;
  --accent-hover: #8cb0ff;
  --accent-ink: #0e1217;
  --accent-soft: rgba(111, 155, 255, .12);
  --ok: #3ddc97;
  --add: #4ade80;
  --add-bg: rgba(74, 222, 128, .12);
  --del: #ff7b72;
  --del-bg: rgba(255, 123, 114, .12);
  --glass: rgba(24, 29, 37, .55);
  --glass-strong: rgba(28, 34, 43, .82);
  --glass-border: rgba(255, 255, 255, .09);
  --glass-edge: rgba(255, 255, 255, .04);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, .06) inset, 0 20px 50px -20px rgba(0, 0, 0, .7), 0 2px 8px -2px rgba(0, 0, 0, .4);
  --term-bg: rgba(6, 8, 16, .85);
  --blob-1: #2a3a5c;
  --blob-2: #4a3f2e;
  --blob-3: #26443f;
  --blob-4: #3a2f33;
  --blob-op: .5;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
svg.fill { fill: currentColor; stroke: none; }
.mono { font-family: var(--mono); }
kbd {
  font-family: var(--mono); font-size: .8em; padding: 1px 6px; border-radius: 6px;
  background: var(--accent-soft); border: 1px solid var(--line-2); color: var(--ink);
}
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.container.narrow { width: min(820px, 100% - 40px); }

/* ---------- 背景：高斯模糊光斑 ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(110px); opacity: var(--blob-op);
  will-change: transform;
}
.b1 { width: 620px; height: 620px; background: var(--blob-1); top: -180px; left: -120px; animation: drift1 46s ease-in-out infinite alternate; }
.b2 { width: 540px; height: 540px; background: var(--blob-2); top: 10%; right: -160px; animation: drift2 52s ease-in-out infinite alternate; }
.b3 { width: 480px; height: 480px; background: var(--blob-3); top: 55%; left: 20%; animation: drift3 58s ease-in-out infinite alternate; }
.b4 { width: 380px; height: 380px; background: var(--blob-4); bottom: -140px; right: 10%; animation: drift1 50s ease-in-out infinite alternate-reverse; opacity: calc(var(--blob-op) * .7); }
@keyframes drift1 { to { transform: translate(80px, 70px) scale(1.08); } }
@keyframes drift2 { to { transform: translate(-90px, 100px) scale(.94); } }
@keyframes drift3 { to { transform: translate(100px, -80px) scale(1.1); } }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- 毛玻璃 ---------- */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 44px; padding: 0 20px; border-radius: 12px;
  font-weight: 600; font-size: 15px; white-space: nowrap;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), background-color .3s, opacity .3s;
  position: relative; isolation: isolate;
}
.btn:active { transform: scale(.98); transition-duration: .1s; }
.btn-primary {
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 60%, transparent), 0 1px 0 rgba(255,255,255,.18) inset;
}
.btn-primary:hover { transform: translateY(-1px); background: var(--accent-hover); }
.btn-glass {
  background: var(--glass); border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--glass-shadow);
}
.btn-glass:hover { transform: translateY(-1px); background: var(--glass-strong); }
.btn-ghost { border: 1px solid var(--line-2); background: transparent; }
.btn-ghost:hover { background: var(--accent-soft); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; border-radius: 10px; }
.btn-lg { height: 56px; padding: 0 26px; font-size: 16px; border-radius: 14px; }
.btn-xl { height: 68px; padding: 0 28px; font-size: 17px; border-radius: 16px; width: 100%; }
.btn small { display: block; font-size: 12px; font-weight: 500; opacity: .8; line-height: 1.2; }
.btn-lg > span, .btn-xl > span { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.25; }
.btn-lg svg, .btn-xl svg { width: 22px; height: 22px; }
.btn[disabled] { opacity: .55; pointer-events: none; }
.link-btn { color: var(--accent); font-weight: 600; }
.link-btn:hover { text-decoration: underline; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  height: 36px; min-width: 36px; padding: 0 8px; border-radius: 10px;
  color: var(--ink-2); transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--accent-soft); color: var(--ink); }
.lang-label { font-size: 12px; font-weight: 700; letter-spacing: .02em; }

/* ---------- 导航 ---------- */
.nav { position: fixed; top: 14px; left: 0; right: 0; z-index: 50; padding-inline: 20px; transition: top .3s var(--ease); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; height: 60px; padding: 0 10px 0 16px;
  display: flex; align-items: center; gap: 16px; border-radius: 18px;
  transition: max-width .8s var(--ease), background-color .4s, box-shadow .4s;
}
.nav.scrolled .nav-inner { background: var(--glass-strong); max-width: 1120px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.brand img { border-radius: 8px; }
.nav-links { display: flex; gap: 2px; margin: 0 auto; position: relative; }
.nav-links a {
  position: relative; z-index: 1;
  padding: 7px 14px; border-radius: 10px; font-size: 14.5px; color: var(--ink-2); font-weight: 500;
  transition: color .5s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--accent); }
/* 滑动的高亮块：点击时直接滑到目标项 */
.nav-ind {
  position: absolute; left: 0; top: 0; z-index: 0; border-radius: 10px; pointer-events: none;
  background: var(--accent-soft); opacity: 0;
  transition: transform .6s var(--ease), width .6s var(--ease), height .6s var(--ease), opacity .4s var(--ease);
}
.nav-ind.show { opacity: 1; }
.nav-ind.instant { transition: opacity .4s var(--ease); }
.nav-actions { display: flex; align-items: center; gap: 4px; }
.nav-dl { margin-left: 6px; }
.menu-btn { display: none; }

#themeBtn svg { display: none; }
#themeBtn[data-mode="auto"] .i-auto,
#themeBtn[data-mode="light"] .i-light,
#themeBtn[data-mode="dark"] .i-dark { display: block; }

/* ---------- Hero ---------- */
.hero { padding: 150px 0 40px; text-align: center; position: relative; }
.hero-inner { display: flex; flex-direction: column; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 10px; border-radius: 999px; font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  transition: transform .2s var(--ease);
}
.pill:hover { transform: translateY(-1px); }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); box-shadow: 0 0 0 4px color-mix(in srgb, var(--faint) 20%, transparent); }
.pill.ok .dot { background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 22%, transparent); animation: pulse 2.2s infinite; }
.pill .chev { width: 14px; height: 14px; color: var(--faint); }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--ok) 0%, transparent); } }

.hero h1 {
  font-size: clamp(38px, 6.4vw, 76px);
  line-height: 1.08; letter-spacing: -.035em; font-weight: 800;
  margin: 26px 0 22px; max-width: 16ch;
}
:root[data-lang="en"] .hero h1 { max-width: 18ch; }
.grad { color: var(--accent); }
.lead { font-size: clamp(16px, 1.9vw, 19px); color: var(--muted); max-width: 680px; margin: 0 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-meta { list-style: none; padding: 0; margin: 26px 0 0; display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; font-size: 14px; color: var(--muted); }
.hero-meta li { display: flex; align-items: center; gap: 6px; }
.hero-meta svg { width: 16px; height: 16px; color: var(--ok); stroke-width: 2.4; }

.hero-shot-wrap { position: relative; margin-top: 70px; perspective: 1800px; }
.hero-shot {
  border-radius: 22px; padding: 10px; padding-top: 0;
  transform: rotateX(8deg) scale(.98); transform-origin: 50% 0;
  overflow: hidden; cursor: zoom-in; will-change: transform;
}
.hero-shot.flat { transform: rotateX(0) scale(1); }
.hero-shot img { border-radius: 12px; border: 1px solid var(--line); width: 100%; height: auto; background: var(--bg-2); }
.win-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 6px; }
.win-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.win-bar i:nth-child(2) { background: #febc2e; }
.win-bar i:nth-child(3) { background: #28c840; }
.win-bar span { margin: 0 auto; font-size: 12.5px; color: var(--muted); font-weight: 600; transform: translateX(-24px); }
.hero-shot-wrap::before {
  content: ""; position: absolute; left: 12%; right: 12%; top: 30%; bottom: -6%; z-index: -1;
  background: #1f2937; filter: blur(70px); opacity: .12; border-radius: 50%;
}

.float-chip {
  position: absolute; display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 14px; font-size: 13.5px; font-weight: 600;
  opacity: 0; transform: translateY(10px) scale(.96);
  transition: opacity .9s var(--ease), transform 1.1s var(--ease);
  animation: float 9s var(--ease-io) infinite;
}
.hero-shot-wrap.in .float-chip { opacity: 1; transform: none; }
.fc1 { left: -16px; top: 22%; transition-delay: .9s; }
.fc2 { right: -20px; top: 44%; transition-delay: 1.05s; animation-delay: -3s; }
.fc3 { left: 6%; bottom: -18px; transition-delay: 1.2s; animation-delay: -6s; color: var(--ok); }
.ok-dot { width: 18px; height: 18px; border-radius: 50%; background: var(--ok); position: relative; }
.ok-dot::after { content: ""; position: absolute; left: 6px; top: 3px; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.add { color: var(--add); } .del { color: var(--del); }
.bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; }
.bars i { width: 3px; background: currentColor; border-radius: 1px; }
.bars i:nth-child(1) { height: 5px; } .bars i:nth-child(2) { height: 9px; } .bars i:nth-child(3) { height: 14px; opacity: .35; }
@keyframes float { 50% { translate: 0 -5px; } }

/* ---------- 滚动条 ---------- */
.marquee-sec { padding: 70px 0 20px; text-align: center; }
:root[data-lang="en"] .eyebrow, :root[data-lang="en"] .marquee-title { text-transform: uppercase; letter-spacing: .08em; }
.marquee-title { font-size: 13px; letter-spacing: .06em; color: var(--faint); font-weight: 600; margin: 0 0 22px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 70s linear infinite; }
.marquee-set { display: flex; gap: 14px; padding-right: 14px; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-set span {
  padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 15px; color: var(--ink-2);
  background: var(--glass); border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
}
.marquee-set span i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 数据 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 50px; }
.stat { border-radius: var(--radius); padding: 24px 22px; display: flex; flex-direction: column; gap: 2px; }
.stat b { font-size: 40px; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
.stat span { color: var(--muted); font-size: 14.5px; }

/* ---------- Section ---------- */
.section { padding: 120px 0 0; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em;
  color: var(--accent); padding: 5px 12px; border-radius: 999px; background: var(--accent-soft); margin-bottom: 16px;
}
.sec-head h2 { font-size: clamp(30px, 4.2vw, 48px); line-height: 1.15; letter-spacing: -.03em; margin: 0 0 14px; font-weight: 800; }
.sec-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* ---------- 功能 bento ---------- */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card {
  border-radius: var(--radius); padding: 26px; position: relative; overflow: hidden;
  transition: transform .7s var(--ease), box-shadow .7s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow), 0 24px 48px -28px rgba(20, 27, 36, .28); }
.card.big { grid-column: span 2; grid-row: span 2; }
.card.wide { grid-column: span 2; }
.card.big { display: flex; flex-direction: column; }
.push-to { margin-top: auto; padding-top: 26px; display: flex; flex-direction: column; gap: 10px; }
.push-to small { font-size: 12.5px; color: var(--faint); font-weight: 600; }
.push-row { display: flex; flex-wrap: wrap; gap: 8px; }
.push-row span { font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 999px; border: 1px dashed var(--line-2); color: var(--ink-2); }
.card h3 { margin: 18px 0 8px; font-size: 18px; letter-spacing: -.01em; }
.card.big h3 { font-size: 24px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.65; }
.card.big p { font-size: 16px; max-width: 42ch; }
.ic {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}
.card.big .ic { width: 54px; height: 54px; border-radius: 15px; }
.card.big .ic svg { width: 26px; height: 26px; }
.spot::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .6s var(--ease);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--ink) 5%, transparent), transparent 50%);
}
.spot:hover::before { opacity: 1; }

.mini-providers { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.mp {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 8px; border-radius: 12px; font-weight: 600; font-size: 14px;
  background: var(--glass-strong); border: 1px solid var(--line);
}
.mp i { width: 26px; height: 26px; border-radius: 8px; background: var(--c); color: #fff; display: grid; place-items: center; font-style: normal; font-size: 12px; font-family: var(--mono); }
.mp.more { padding-left: 14px; color: var(--muted); }
.proto { display: flex; align-items: center; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.proto span { font-family: var(--mono); font-size: 13px; padding: 6px 12px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.proto svg { color: var(--faint); width: 18px; }

/* ---------- 交互演示 ---------- */
.demo { border-radius: 24px; display: grid; grid-template-columns: 340px 1fr; overflow: hidden; }
.demo-side { padding: 28px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; }
.demo-step { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; margin-top: 6px; }
.demo-step:first-child { margin-top: 0; }
.num { width: 24px; height: 24px; border-radius: 8px; display: grid; place-items: center; font-size: 12px; background: var(--accent-soft); color: var(--accent); }
.seg { display: flex; flex-direction: column; gap: 8px; }
.seg button {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; text-align: left;
  border: 1px solid var(--line); background: var(--glass); transition: border-color .4s var(--ease), background-color .4s var(--ease), box-shadow .4s var(--ease), transform .5s var(--ease);
}
.seg button:hover { border-color: var(--line-2); transform: translateX(2px); }
.seg button[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent); }
.seg .av { width: 32px; height: 32px; border-radius: 9px; background: var(--c); color: #fff; display: grid; place-items: center; font-family: var(--mono); font-weight: 700; font-size: 13px; flex: none; }
.seg b { display: block; font-size: 14.5px; }
.seg small { display: block; color: var(--muted); font-family: var(--mono); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.check {
  display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 10px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--line); background: var(--glass); cursor: pointer; user-select: none; transition: border-color .2s, background .2s;
}
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check .box { width: 18px; height: 18px; border-radius: 6px; border: 1.5px solid var(--line-2); display: grid; place-items: center; transition: all .2s; flex: none; }
.check .box svg { width: 12px; height: 12px; stroke-width: 3; color: #fff; opacity: 0; transform: scale(.5); transition: all .2s var(--ease); }
.check:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: var(--accent-soft); }
.check input:checked + .box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .box svg { opacity: 1; transform: none; }
.check input:focus-visible + .box { outline: 2px solid var(--accent); outline-offset: 2px; }
.demo-actions { display: flex; gap: 10px; margin-top: 2px; }
.demo-actions .btn { flex: 1; }
.badge { min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px; background: color-mix(in srgb, var(--accent-ink) 22%, transparent); font-size: 12px; display: grid; place-items: center; }

.demo-main { padding: 24px; display: flex; flex-direction: column; min-width: 0; }
.term { flex: 1; background: var(--term-bg); border-radius: 16px; color: var(--term-ink); display: flex; flex-direction: column; overflow: hidden; border: 1px solid rgba(255,255,255,.06); min-height: 460px; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 13px; color: #8f99b3; }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a4258; }
.term-bar > span:first-of-type { margin-left: 8px; font-weight: 600; }
.term-stat { margin-left: auto; font-size: 12.5px; }
.term-body { flex: 1; overflow: auto; padding: 14px 0; font-size: 13px; line-height: 1.75; max-height: 440px; }
.term-body .file {
  display: flex; align-items: center; gap: 8px; padding: 6px 18px; margin-top: 10px; color: #aab4cc; font-weight: 600;
  background: rgba(255,255,255,.035); border-block: 1px solid rgba(255,255,255,.04);
}
.term-body .file:first-child { margin-top: 0; }
.term-body .file .tag { margin-left: auto; font-size: 11px; padding: 1px 8px; border-radius: 6px; background: rgba(125,140,255,.18); color: #aeb8ff; }
.term-body .ln { display: block; padding: 0 18px 0 34px; position: relative; white-space: pre; animation: lnIn .6s var(--ease) both; }
.term-body .ln::before { position: absolute; left: 16px; content: " "; }
.term-body .ln.a { background: rgba(74,222,128,.1); color: #86efac; }
.term-body .ln.a::before { content: "+"; }
.term-body .ln.d { background: rgba(255,123,114,.1); color: #ffa198; }
.term-body .ln.d::before { content: "−"; }
.term-body .ln.c { color: #6f7a94; }
.term-empty { height: 100%; display: grid; place-items: center; text-align: center; color: #6f7a94; font-family: var(--font); padding: 40px; }
.term-empty svg { width: 34px; height: 34px; margin: 0 auto 10px; color: #3ddc97; }
@keyframes lnIn { from { opacity: 0; transform: translateX(-4px); } }
.term-log > div { animation: lnIn .5s var(--ease) both; }
.term-log { border-top: 1px solid rgba(255,255,255,.07); padding: 10px 18px; font-size: 12.5px; color: #8f99b3; min-height: 42px; display: flex; flex-direction: column; gap: 2px; }
.term-log .ok { color: #3ddc97; }
.demo-note { font-size: 12.5px; color: var(--faint); margin: 12px 4px 0; }

/* ---------- 截图 ---------- */
.tabs { position: relative; display: flex; gap: 4px; padding: 6px; border-radius: 16px; width: fit-content; margin: 0 auto 26px; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { position: relative; z-index: 1; padding: 9px 20px; border-radius: 11px; font-weight: 600; font-size: 14.5px; color: var(--muted); transition: color .4s var(--ease); white-space: nowrap; }
.tabs button.active { color: var(--ink); }
.tab-ind { position: absolute; top: 6px; bottom: 6px; left: 0; border-radius: 11px; background: var(--glass-strong); box-shadow: 0 2px 10px -2px rgba(0,0,0,.12); border: 1px solid var(--glass-border); transition: transform .6s var(--ease), width .6s var(--ease); }
.shot { margin: 0; border-radius: 22px; padding: 12px; }
.shot-zoom { display: block; width: 100%; border-radius: 13px; overflow: hidden; cursor: zoom-in; }
.shot img { width: 100%; height: auto; border-radius: 13px; border: 1px solid var(--line); transition: opacity .5s var(--ease), transform .8s var(--ease), filter .5s var(--ease); background: var(--bg-2); }
.shot img.fading { opacity: 0; transform: scale(.99); filter: blur(8px); transition-duration: .25s; }
.shot figcaption { transition: opacity .4s var(--ease); }
.shot figcaption.fading { opacity: 0; }
.shot figcaption { text-align: center; color: var(--muted); font-size: 14.5px; padding: 16px 10px 6px; }

/* ---------- Agent 列表 ---------- */
.agent-tools { display: flex; gap: 14px; justify-content: space-between; align-items: center; margin-bottom: 22px; flex-wrap: wrap; }
.search { display: flex; align-items: center; gap: 10px; padding: 0 16px; height: 46px; border-radius: 14px; flex: 1; max-width: 420px; }
.search svg { color: var(--faint); }
.search input { border: 0; outline: 0; background: none; font: inherit; color: var(--ink); width: 100%; font-size: 15px; }
.search input::placeholder { color: var(--faint); }
.search:focus-within { box-shadow: var(--glass-shadow), 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.chips { display: flex; gap: 8px; }
.chip { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--muted); border: 1px solid var(--line-2); background: var(--glass); transition: all .2s; }
.chip:hover { color: var(--ink); }
.chip.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.agent {
  border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 10px; text-align: left; width: 100%;
  transition: transform .6s var(--ease); animation: pop .7s var(--ease) both;
}
.agent:hover { transform: translateY(-2px); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); filter: blur(4px); } }
.agent-top { display: flex; align-items: center; gap: 12px; }
.agent-av { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--c); font-size: 16px; flex: none; }
.agent-name { font-weight: 700; font-size: 16px; }
.agent-kind { font-size: 12px; color: var(--muted); }
.agent-path { font-family: var(--mono); font-size: 12px; color: var(--ink-2); background: var(--accent-soft); padding: 6px 10px; border-radius: 8px; word-break: break-all; line-height: 1.5; }
.agent-feat { font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.agent .copy { margin-left: auto; color: var(--faint); opacity: 0; transition: opacity .2s; }
.agent:hover .copy { opacity: 1; }
.empty { text-align: center; color: var(--muted); padding: 30px; }

/* ---------- 下载 ---------- */
.dl { border-radius: 26px; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; position: relative; }
.dl-main { padding: 36px; display: flex; flex-direction: column; gap: 24px; position: relative; }
.dl-head { display: flex; align-items: center; gap: 16px; }
.dl-head img { border-radius: 16px; }
.dl-name { font-size: 26px; font-weight: 800; letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ver { font-size: 14px; font-weight: 700; padding: 3px 10px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }
.dl-sub { color: var(--muted); font-size: 14.5px; margin-top: 2px; }
.dl-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dl-facts > div { padding: 14px; border-radius: 14px; background: var(--glass); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.dl-facts span { font-size: 12.5px; color: var(--muted); }
.dl-facts b { font-size: 16px; }
.dl-error { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; font-size: 14px; background: color-mix(in srgb, #f59e0b 12%, transparent); color: var(--ink-2); border: 1px solid color-mix(in srgb, #f59e0b 30%, transparent); }
.dl-error svg { color: #f59e0b; }
.dl-error .link-btn { margin-left: auto; }
.assets summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--muted); }
.assets ul { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 6px; }
.assets li a { display: flex; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: 10px; font-size: 13px; font-family: var(--mono); background: var(--glass); border: 1px solid var(--line); transition: border-color .2s; }
.assets li a:hover { border-color: var(--accent); }
.assets li a span:last-child { color: var(--muted); flex: none; }
.dl-links { display: flex; gap: 18px; font-size: 14px; font-weight: 600; }
.dl-links a { color: var(--accent); }
.dl-links a:hover { text-decoration: underline; }

.dl-notes { border-left: 1px solid var(--line); background: color-mix(in srgb, var(--glass-strong) 40%, transparent); display: flex; flex-direction: column; min-height: 0; }
.notes-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 28px; border-bottom: 1px solid var(--line); font-weight: 700; }
.notes-head a { font-size: 13.5px; color: var(--accent); font-weight: 600; }
.notes-body { padding: 22px 28px; overflow: auto; max-height: 440px; font-size: 14.5px; color: var(--ink-2); display: flex; flex-direction: column; gap: 10px; }
.md h1, .md h2, .md h3, .md h4 { margin: 8px 0 0; font-size: 16px; color: var(--ink); }
.md p { margin: 0; }
.md ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.md li::marker { color: var(--accent); }
.md code { font-family: var(--mono); font-size: .88em; padding: 1px 6px; border-radius: 6px; background: var(--accent-soft); }
.md a { color: var(--accent); text-decoration: underline; }

.skeleton { display: inline-block; height: 14px; border-radius: 6px; background: linear-gradient(90deg, var(--line) 25%, var(--line-2) 50%, var(--line) 75%); background-size: 200% 100%; animation: sk 1.2s infinite; vertical-align: middle; }
.notes-body .skeleton { display: block; }
.w60 { width: 60px; } .w70 { width: 70%; } .w80 { width: 80%; } .w90 { width: 90%; } .w100 { width: 100%; } .w160 { width: 160px; }
@keyframes sk { to { background-position: -200% 0; } }

.req { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.req-item { border-radius: 18px; padding: 20px; display: flex; gap: 14px; }
.req-item > svg { color: var(--accent); margin-top: 3px; }
.req-item b { font-size: 15px; }
.req-item p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details { border-radius: 16px; overflow: hidden; }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 24px; font-weight: 600; font-size: 16px; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border: solid var(--muted); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { margin: 0; padding: 0 24px 22px; color: var(--muted); }
.faq details::details-content {
  height: 0; overflow: clip;
  transition: height .6s var(--ease), content-visibility .6s allow-discrete;
}
.faq details[open]::details-content { height: auto; }
.faq details p { opacity: 0; transform: translateY(-4px); transition: opacity .5s var(--ease), transform .6s var(--ease); }
.faq details[open] p { opacity: 1; transform: none; transition-delay: .08s; }
.faq summary::after { transition: transform .6s var(--ease), margin-top .6s var(--ease); }

/* ---------- CTA ---------- */
.cta-wrap { padding: 120px 0 90px; }
.cta { border-radius: 30px; padding: 70px 30px; text-align: center; position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; }
.cta-glow { display: none; }
.cta img { border-radius: 18px; margin-bottom: 22px; }
.cta h2 { font-size: clamp(26px, 3.6vw, 42px); letter-spacing: -.03em; margin: 0 0 12px; max-width: 20ch; line-height: 1.2; }
.cta p { color: var(--muted); margin: 0 0 30px; font-size: 17px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 30px 0 40px; }
.foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.foot-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); }
.foot-brand img { border-radius: 6px; }
.foot-copy { margin: 0; }
.foot-links { margin-left: auto; display: flex; gap: 18px; }
.foot-links a:hover { color: var(--accent); }

/* ---------- 大图 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 40px;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(140%); backdrop-filter: blur(20px) saturate(140%);
  cursor: zoom-out; opacity: 0; transition: opacity .5s var(--ease);
}
.lightbox.open { opacity: 1; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1600px, 100%); max-height: 100%; border-radius: 14px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.5); transform-origin: 0 0; }
.lb-close { position: absolute; top: 18px; right: 18px; background: var(--glass-strong); border: 1px solid var(--glass-border); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 120; padding: 12px 20px; border-radius: 14px; font-size: 14px; font-weight: 600;
  transform: translate(-50%, 16px) scale(.98); opacity: 0; pointer-events: none; transition: opacity .5s var(--ease), transform .6s var(--ease);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

.hero .reveal { filter: blur(8px); transition: opacity 1.1s var(--ease), transform 1.3s var(--ease), filter 1.1s var(--ease); }
.hero .reveal.in { filter: none; }
.hero-inner > :nth-child(1) { transition-delay: .05s; }
.hero-inner > :nth-child(2) { transition-delay: .15s; }
.hero-inner > :nth-child(3) { transition-delay: .27s; }
.hero-inner > :nth-child(4) { transition-delay: .39s; }
.hero-inner > :nth-child(5) { transition-delay: .5s; }
.hero .hero-shot-wrap.reveal { transform: translateY(48px) scale(.98); filter: none; transition: opacity 1.4s var(--ease) .55s, transform 1.8s var(--ease) .55s; }
.hero .hero-shot-wrap.reveal.in { transform: none; }

.sec-head.reveal { opacity: 1; transform: none; }
.sec-head.reveal > * { opacity: 0; transform: translateY(14px); filter: blur(6px); transition: opacity 1s var(--ease), transform 1.2s var(--ease), filter 1s var(--ease); }
.sec-head.reveal > :nth-child(2) { transition-delay: .08s; }
.sec-head.reveal > :nth-child(3) { transition-delay: .16s; }
.sec-head.reveal.in > * { opacity: 1; transform: none; filter: none; }

/* 主题切换：从按钮位置圆形展开 */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .45s; animation-timing-function: var(--ease); }
:root.vt-theme::view-transition-old(root), :root.vt-theme::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
:root.vt-theme::view-transition-new(root) { z-index: 1; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card.big { grid-row: auto; }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .demo { grid-template-columns: 1fr; }
  .demo-side { border-right: 0; border-bottom: 1px solid var(--line); }
  .checks { grid-template-columns: repeat(3, 1fr); }
  .seg { flex-direction: row; flex-wrap: wrap; }
  .seg button { flex: 1 1 200px; }
}
@media (max-width: 900px) {
  .nav-links {
    position: absolute; top: 70px; left: 20px; right: 20px; flex-direction: column; padding: 10px; border-radius: 18px;
    background: var(--glass-strong); border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow);
    -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%);
    opacity: 0; transform: translateY(-8px); pointer-events: none; transition: all .25s var(--ease);
  }
  .nav.open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { padding: 12px 14px; }
  .nav-actions { margin-left: auto; }
  .menu-btn { display: inline-flex; }
  .dl { grid-template-columns: 1fr; }
  .dl-notes { border-left: 0; border-top: 1px solid var(--line); }
  .req { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .float-chip { display: none; }
}
@media (max-width: 640px) {
  .container, .container.narrow { width: calc(100% - 32px); }
  .nav { padding-inline: 12px; top: 10px; }
  .nav-inner { padding: 0 6px 0 12px; gap: 6px; }
  .nav-dl, .nav-actions .gh { display: none; }
  .hero { padding-top: 120px; }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-shot-wrap { margin-top: 44px; }
  .hero-shot { padding: 6px; padding-top: 0; border-radius: 14px; }
  .win-bar { height: 26px; } .win-bar i { width: 8px; height: 8px; }
  .bento, .agent-grid { grid-template-columns: 1fr; }
  .card.big, .card.wide { grid-column: auto; }
  .section { padding-top: 90px; }
  .checks { grid-template-columns: 1fr 1fr; }
  .demo-side, .demo-main { padding: 18px; }
  .term { min-height: 360px; }
  .term-body { font-size: 12px; }
  .dl-main { padding: 24px; }
  .dl-facts { grid-template-columns: 1fr 1fr 1fr; }
  .dl-facts > div { padding: 10px; }
  .notes-head, .notes-body { padding-inline: 20px; }
  .search { max-width: none; flex-basis: 100%; }
  .stat { padding: 18px; } .stat b { font-size: 32px; }
  .foot-links { margin-left: 0; }
  .lightbox { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal, .sec-head.reveal > *, .float-chip { opacity: 1; transform: none; filter: none; }
}