/* ==========================================================
   XJPCNM — Intelligent Computing Products
   风格：黑白极简 + 少量蓝紫色科技光效
   ========================================================== */

:root {
  --bg: #000000;
  --bg-2: #050505;
  --card: #0a0a0a;
  --card-2: #111111;
  --ink: #ffffff;
  --ink-2: #9b9b9b;
  --ink-3: #5f5f5f;
  --line: rgba(255,255,255,.08);
  --line-2: rgba(255,255,255,.05);
  --blue: #5b8cff;
  --violet: #9d6bff;
  --accent: #8a7dff;
  --grad: linear-gradient(135deg, #5b8cff 0%, #9d6bff 100%);
  --grad-text: linear-gradient(180deg, #ffffff 25%, #7a7a7a 100%);
  --ok: #3ccf8e;
  --warn: #f5b546;

  --radius: 24px;
  --pad: clamp(20px, 4vw, 56px);
  --max: 1280px;

  --font: "Inter Tight", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "Fragment Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; color-scheme: dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-weight: 400; font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.035em; line-height: 1.05; }
p { margin: 0; }
::selection { background: rgba(255,255,255,.22); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: #fff; color: #000; padding: 10px 16px; border-radius: 999px; }
.skip:focus { left: 16px; }

.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.label { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); margin-bottom: 20px; }
.label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 10px var(--accent); }
.label.light { color: var(--ink-2); }
.label.center { display: flex; justify-content: center; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--ink); border-bottom: 1px solid rgba(255,255,255,.25); padding-bottom: 1px; transition: border-color .3s; }
.link:hover { border-color: var(--ink); }
.link .arrow, .btn .arrow { transition: transform .3s var(--ease); }
.link:hover .arrow, .btn:hover .arrow { transform: translateX(4px); }

/* ---------- 按钮 ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 999px;
  font: 500 14px/1 var(--font); border: 1px solid transparent; cursor: pointer;
  transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { height: 50px; padding: 0 26px; font-size: 15px; }
/* 主按钮：白底黑字 */
.btn-dark { background: #fff; color: #000; box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 8px 30px -10px rgba(255,255,255,.25); }
.btn-dark:hover { box-shadow: 0 0 0 1px rgba(255,255,255,.3), 0 10px 40px -6px rgba(138,125,255,.34); }
/* 次按钮：透明描边 */
.btn-light, .btn-ghost, .btn-outline-light { background: rgba(255,255,255,.04); color: var(--ink); border-color: var(--line); }
.btn-light:hover, .btn-ghost:hover, .btn-outline-light:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.07); }
/* 强调按钮：蓝紫渐变 */
.btn-lime { background: var(--grad); color: #fff; box-shadow: 0 8px 30px -8px rgba(110,110,255,.32), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-lime:hover { box-shadow: 0 10px 40px -6px rgba(130,110,255,.40), inset 0 1px 0 rgba(255,255,255,.3); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 14px 16px auto; z-index: 50; max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 7px 7px 7px 20px; border-radius: 999px;
  background: rgba(0,0,0,.55); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), box-shadow .4s, background .4s;
}
.nav.scrolled { background: rgba(0,0,0,.85); box-shadow: 0 10px 40px -12px rgba(0,0,0,.8); }
.nav.hidden { transform: translateY(-140%); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: 0.08em; }
/* Logo：黑色圆角方块 + X 形字标（一笔白色、一笔蓝紫发光） */
.logo-mark {
  width: 26px; height: 26px; border-radius: 8px; position: relative; flex: none;
  background: linear-gradient(160deg, #1a1a1a 0%, #050505 70%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14), inset 0 1px 0 rgba(255,255,255,.12), 0 0 16px -4px rgba(138,125,255,.22);
}
.logo-mark::before, .logo-mark::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 2.2px; border-radius: 2px;
}
.logo-mark::before { background: #fff; transform: translate(-50%, -50%) rotate(45deg); }
.logo-mark::after { background: var(--grad); transform: translate(-50%, -50%) rotate(-45deg); box-shadow: 0 0 6px rgba(157,107,255,.36); }
.logo:hover .logo-mark::after { box-shadow: 0 0 10px rgba(157,107,255,.40); }
.nav-links { display: flex; align-items: center; gap: 2px; font-size: 14px; font-weight: 400; }
.nav-links > a, .nav-trigger { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; color: var(--ink-2); transition: color .2s, background .2s; }
.nav-links > a:hover, .nav-item:hover .nav-trigger, .nav-item:focus-within .nav-trigger { color: var(--ink); background: rgba(255,255,255,.06); }
.caret { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .3s var(--ease); }
.nav-item { position: relative; }
.nav-item:hover .caret, .nav-item:focus-within .caret { transform: translateY(1px) rotate(225deg); }
.mega {
  position: absolute; top: calc(100% + 14px); left: -20px; width: 400px; padding: 8px;
  background: rgba(8,8,8,.97); border-radius: 20px; border: 1px solid var(--line);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.02);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .25s var(--ease);
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }
.nav-item:hover .mega, .nav-item:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
.mega-item { display: flex; gap: 14px; align-items: center; padding: 12px; border-radius: 14px; transition: background .2s; }
.mega-item:hover { background: rgba(255,255,255,.05); }
.mega-item strong { display: block; font-weight: 500; font-size: 15px; }
.mega-item small { color: var(--ink-3); font-size: 13px; }
.mega-foot { padding: 12px 12px 6px; border-top: 1px solid var(--line-2); margin-top: 6px; color: var(--ink-2); text-transform: none; }
.mega-foot a:hover { color: var(--ink); }

/* 产品图标 */
.mega-icon { flex: none; width: 40px; height: 40px; border-radius: 12px; position: relative; display: inline-block; background: var(--card-2); border: 1px solid var(--line); }
.i-one::after { content: ""; position: absolute; inset: 11px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 10px var(--violet), inset 0 0 6px var(--violet); }
.i-flow::before, .i-flow::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 3px; background: #fff; }
.i-flow::before { left: 9px; top: 9px; }
.i-flow::after { right: 9px; bottom: 9px; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.i-cloud::after { content: ""; position: absolute; left: 9px; right: 9px; top: 16px; height: 8px; border-radius: 8px; background: var(--grad); box-shadow: 0 -7px 0 -2px #fff, 0 0 12px var(--accent); }

.nav-cta { display: flex; gap: 4px; align-items: center; }
.nav-signin { padding: 8px 14px; font-size: 14px; color: var(--ink-2); }
.nav-signin:hover { color: var(--ink); }
.menu-btn { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255,255,255,.05); cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: #fff; transition: transform .3s var(--ease); }
.menu-btn span:first-child { top: 17px; }
.menu-btn span:last-child { top: 24px; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(140px, 19vh, 190px) var(--pad) 40px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
#waves { position: absolute; left: 0; right: 0; top: 0; width: 100%; height: 100%; opacity: .9; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px; background-position: center top;
  mask-image: radial-gradient(ellipse 60% 45% at 50% 25%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 45% at 50% 25%, #000 30%, transparent 75%);
}
.hero-glow {
  position: absolute; left: 50%; top: -260px; width: 1100px; height: 700px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(110,100,255,.11), rgba(91,140,255,.04) 55%, transparent);
  filter: blur(20px);
}
.hero-inner { position: relative; z-index: 1; max-width: 960px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; align-items: center; }
.announce {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 30px;
  padding: 5px 14px 5px 5px; border-radius: 999px; background: rgba(255,255,255,.04); border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); transition: border-color .3s, color .3s;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.announce:hover { border-color: rgba(255,255,255,.25); color: var(--ink); }
.announce .arrow { transition: transform .3s var(--ease); }
.announce:hover .arrow { transform: translateX(3px); }
.announce-tag { background: var(--grad); color: #fff; padding: 4px 10px; border-radius: 999px; font-size: 10px; box-shadow: 0 0 14px rgba(138,125,255,.24); }
.hero-title { font-size: clamp(42px, 8vw, 116px); font-weight: 600; letter-spacing: -0.042em; line-height: 1; }
.hero-title .dim { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { max-width: 620px; margin-top: 28px; font-size: clamp(16px, 1.3vw, 19px); color: var(--ink-2); }
.hero-cta { display: flex; flex-direction: column; gap: 14px; align-items: center; margin-top: 36px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-note { color: var(--ink-3); text-transform: none; }

/* ---------- 产品展示 ---------- */
.showcase { position: relative; z-index: 1; max-width: var(--max); margin: clamp(64px, 8vw, 110px) auto 0; display: flex; flex-direction: column; align-items: center; }
.horizon {
  position: absolute; left: 50%; top: 10px; width: 150%; aspect-ratio: 1; transform: translateX(-50%);
  border-radius: 50%; pointer-events: none; z-index: -1;
  border-top: 1px solid rgba(255,255,255,.7);
  box-shadow: 0 -4px 40px 0 rgba(140,130,255,.28), 0 -20px 120px 10px rgba(110,100,255,.14), inset 0 40px 100px -20px rgba(110,110,255,.18);
  mask-image: linear-gradient(180deg, #000 0, #000 10%, transparent 26%);
  -webkit-mask-image: linear-gradient(180deg, #000 0, #000 10%, transparent 26%);
}
.seg { position: relative; display: inline-flex; padding: 4px; background: rgba(255,255,255,.04); border-radius: 999px; border: 1px solid var(--line); margin-bottom: 20px; backdrop-filter: blur(10px); }
.seg button { position: relative; z-index: 1; border: 0; background: none; padding: 8px 22px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--ink-2); transition: color .3s; }
.seg button[aria-selected="true"] { color: #000; }
.seg-ind { position: absolute; top: 4px; bottom: 4px; left: 4px; border-radius: 999px; background: #fff; transition: transform .4s var(--ease), width .4s var(--ease); }
.stage {
  position: relative; width: 100%; border-radius: calc(var(--radius) + 6px); padding: clamp(8px, 1.2vw, 14px);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(0,0,0,.6), 0 50px 120px -40px rgba(110,100,255,.18);
}
.stage::before {
  content: ""; position: absolute; left: 10%; right: 10%; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(160,150,255,.36), transparent);
}
.app { background: #050505; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-2); }
.app-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.app-bar > i { width: 10px; height: 10px; border-radius: 50%; background: #262626; }
.app-url { margin-left: 14px; padding: 5px 12px; border-radius: 8px; background: rgba(255,255,255,.04); color: var(--ink-3); text-transform: none; font-size: 11px; }
.app-user { margin-left: auto; width: 26px; height: 26px; border-radius: 50%; background: var(--grad); color: #fff; font: 600 10px/26px var(--font); text-align: center; }
.panel { min-height: 440px; animation: fade .5s var(--ease); }
.panel[hidden] { display: none; }

/* One 面板 */
.pv-one { display: grid; grid-template-columns: 170px 1fr 230px; min-height: 440px; font-size: 13px; }
.side { border-right: 1px solid var(--line-2); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; background: #030303; }
.side .mono { color: var(--ink-3); font-size: 10px; padding: 10px 10px 6px; }
.side .mono:first-child { padding-top: 0; color: var(--ink); }
.side span { padding: 7px 10px; border-radius: 8px; color: var(--ink-2); }
.side .active { background: rgba(255,255,255,.08); color: #fff; box-shadow: inset 2px 0 0 var(--accent); }
.chat { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.msg { padding: 12px 16px; border-radius: 16px; max-width: 88%; line-height: 1.55; }
.msg.user { align-self: flex-end; background: #fff; color: #000; border-bottom-right-radius: 4px; }
.msg.ai { background: var(--card-2); border: 1px solid var(--line-2); border-bottom-left-radius: 4px; display: grid; gap: 6px; color: #d6d6d6; }
.msg.ai b { font-weight: 600; color: #fff; }
.msg-actions { display: flex; gap: 6px; margin-top: 6px; text-transform: none; font-size: 10px; }
.msg-actions span { white-space: nowrap; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-2); }
.cite { display: inline-grid; place-items: center; min-width: 17px; height: 17px; padding: 0 4px; font: 10px var(--mono); color: #fff; background: rgba(138,125,255,.10); border: 1px solid rgba(138,125,255,.24); border-radius: 5px; vertical-align: 1px; }
.input { margin-top: auto; display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 6px 6px 6px 16px; color: var(--ink-3); background: rgba(255,255,255,.02); }
.input i { font-style: normal; width: 30px; height: 30px; border-radius: 50%; background: #fff; color: #000; display: grid; place-items: center; }
.sources { border-left: 1px solid var(--line-2); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.sources > .mono { color: var(--ink-3); font-size: 10px; }
.src { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255,255,255,.02); }
.src b { display: block; font-weight: 500; font-size: 12px; word-break: break-word; }
.src small { color: var(--ink-3); font-size: 11px; }

/* Flow 面板 */
.pv-flow { display: grid; grid-template-columns: 1fr 260px; min-height: 440px; }
.pv-flow .flow-canvas { margin: 20px auto; }
.flow-canvas { position: relative; width: 100%; max-width: 460px; height: 380px; background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); background-size: 18px 18px; }
.wires { position: absolute; left: 20px; top: 0; height: 360px; width: calc(100% - 40px); z-index: 0; }
.wires path { fill: none; stroke: rgba(160,150,255,.32); stroke-width: 1.4; stroke-dasharray: 5 5; animation: dash 1.2s linear infinite; vector-effect: non-scaling-stroke; }
@keyframes dash { to { stroke-dashoffset: -20; } }
.node {
  position: absolute; z-index: 1; left: 50%; transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 9px 14px; font-size: 13px; font-weight: 500;
  display: flex; flex-direction: column; gap: 2px; min-width: 200px; box-shadow: 0 10px 30px -12px rgba(0,0,0,.8); white-space: nowrap;
}
.node .mono { font-size: 10px; color: var(--ink-3); font-weight: 400; }
.node.ai { background: linear-gradient(135deg, rgba(91,140,255,.09), rgba(157,107,255,.09)), var(--card-2); border-color: rgba(150,130,255,.24); box-shadow: 0 0 30px -6px rgba(138,125,255,.24); }
.node.ai .mono { color: #c4b8ff; }
.n1 { top: 14px; } .n2 { top: 100px; } .n3 { top: 186px; }
.n4 { top: 290px; left: 27%; min-width: 150px; } .n5 { top: 290px; left: 73%; min-width: 150px; }
.runs { border-left: 1px solid var(--line-2); padding: 16px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; background: #030303; }
.runs > .mono { color: var(--ink-3); font-size: 10px; margin-bottom: 4px; }
.run-row { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 10px; background: rgba(255,255,255,.02); border: 1px solid var(--line-2); }
.run-row i { width: 7px; height: 7px; border-radius: 50%; }
.run-row small { margin-left: auto; color: var(--ink-3); font-family: var(--mono); font-size: 11px; }
.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); } .warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.run-meta { margin-top: auto; display: flex; justify-content: space-between; color: var(--ink-3); font-size: 10px; padding-top: 12px; }

/* Cloud 面板 */
.pv-cloud { padding: 20px; display: grid; gap: 14px; min-height: 440px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kpis > div { background: rgba(255,255,255,.02); border: 1px solid var(--line-2); border-radius: 14px; padding: 14px 16px; display: grid; gap: 4px; }
.kpis .mono { font-size: 10px; color: var(--ink-3); }
.kpis strong { font-size: 26px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.1; }
.kpis small { font-size: 12px; color: var(--ink-3); }
.kpis small.up { color: var(--ok); }
.chart { background: rgba(255,255,255,.02); border: 1px solid var(--line-2); border-radius: 14px; padding: 16px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 110px; }
.bars i { flex: 1; height: var(--h); background: linear-gradient(to top, rgba(91,140,255,.02), rgba(120,120,255,.28)); border-top: 1px solid rgba(190,180,255,.36); border-radius: 4px 4px 2px 2px; transform-origin: bottom; animation: grow 1s var(--ease) both; animation-delay: calc(var(--i, 0) * 40ms); }
.bars i:last-child { background: linear-gradient(to top, rgba(157,107,255,.04), var(--violet)); box-shadow: 0 0 20px rgba(157,107,255,.24); }
@keyframes grow { from { transform: scaleY(0); } }
.log { border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; text-transform: none; font-size: 11px; }
.log > div { display: grid; grid-template-columns: 80px 1fr 1fr 120px 70px; gap: 10px; padding: 9px 16px; border-top: 1px solid var(--line-2); color: #cccccc; }
.log .log-h { border-top: 0; color: var(--ink-3); background: rgba(255,255,255,.03); }
.s-ok { color: var(--ok) !important; } .s-warn { color: var(--warn) !important; }

/* ---------- Marquee ---------- */
.logos { padding: 72px 0 24px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent); }
.marquee-track { display: flex; width: max-content; animation: scroll 45s linear infinite; }
.logos .marquee-track { list-style: none; margin: 0; padding: 0; }
.logos .marquee-track li { display: flex; }
.logos:hover .marquee-track { animation-play-state: paused; }
.lg { display: inline-flex; align-items: center; gap: 10px; padding: 0 30px; font-size: 18px; font-weight: 500; color: #4a4a4a; letter-spacing: -0.01em; white-space: nowrap; transition: color .3s; }
.lg svg { width: 22px; height: 22px; fill: currentColor; flex: none; }
.lg:hover { color: #fff; }
@keyframes scroll { to { transform: translateX(-50%); } }
.big-marquee { overflow: hidden; padding: clamp(40px, 6vw, 80px) 0; border-block: 1px solid var(--line-2); }
.big-marquee .marquee-track { animation-duration: 34s; align-items: center; }
.big-marquee span { font-size: clamp(56px, 9vw, 136px); font-weight: 600; letter-spacing: -0.05em; padding: 0 28px; white-space: nowrap; line-height: 1.05; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.22); }
.big-marquee span:nth-child(4n+3) { color: #fff; -webkit-text-stroke: 0; }
.big-marquee .dot { font-size: clamp(24px, 3vw, 44px); padding: 0 8px; color: #6a6a6a; -webkit-text-stroke: 0; }

/* ---------- 通用 Section ---------- */
.section { position: relative; max-width: var(--max); margin: 0 auto; padding: clamp(80px, 10vw, 140px) var(--pad); }
.section-head { margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.split { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.section-head.split .section-sub { margin-top: 0; max-width: 420px; }
.section-head h2, .faq h2, .contact h2, .dev h2 {
  font-size: clamp(36px, 5vw, 68px); font-weight: 600; letter-spacing: -0.038em; line-height: 1.04;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-sub { margin-top: 24px; font-size: 17px; color: var(--ink-2); max-width: 620px; }

/* 卡片通用：暗色表面 + 细边 + 悬停光晕 */
.pcard, .use, .post, .plan, .principle, .about-quote, .cap {
  background: linear-gradient(180deg, rgba(255,255,255,.022), rgba(255,255,255,0));
  border: 1px solid var(--line-2);
}

/* ---------- 产品卡片 ---------- */
.pcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pcard { position: relative; border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 18px; overflow: hidden; transition: transform .4s var(--ease), border-color .4s; }
.pcard::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; background: radial-gradient(400px circle at 50% 0%, rgba(138,125,255,.07), transparent 60%); }
.pcard:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.14); }
.pcard:hover::before { opacity: 1; }
.pcard-top { display: flex; align-items: center; justify-content: space-between; }
.pcard-top .mono { color: var(--ink-3); }
.pcard h3 { font-size: clamp(28px, 2.6vw, 36px); font-weight: 400; letter-spacing: -0.04em; margin-top: 6px; color: var(--ink-2); }
.pcard h3 strong { font-weight: 600; color: #fff; }
.pcard-lead { color: var(--ink-2); }
.pcard-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.pcard-foot .mono { color: var(--ink-3); text-transform: none; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: #d4d4d4; }
.checks li::before {
  content: ""; flex: none; margin-top: 3px; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(138,125,255,.06) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%23c8beff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;
  box-shadow: inset 0 0 0 1px rgba(138,125,255,.18);
}

/* ---------- 平台层级 ---------- */
.stack { display: grid; gap: 12px; }
.layer { position: relative; display: grid; grid-template-columns: 200px 1fr auto; align-items: center; gap: 24px; padding: clamp(22px, 3vw, 32px) clamp(22px, 3vw, 40px); border-radius: var(--radius); border: 1px solid var(--line-2); background: rgba(255,255,255,.02); transition: transform .4s var(--ease), border-color .4s; }
.layer:hover { transform: translateX(6px); border-color: rgba(255,255,255,.16); }
.layer h4 { font-size: clamp(26px, 3vw, 42px); font-weight: 500; letter-spacing: -0.04em; }
.layer p { color: var(--ink-2); font-size: 14px; text-align: right; }
.layer .mono { color: var(--ink-3); }
.l2 { margin-inline: clamp(0px, 2vw, 28px); border-color: rgba(138,125,255,.18); background: linear-gradient(90deg, rgba(91,140,255,.05), rgba(157,107,255,.05)); box-shadow: 0 0 60px -20px rgba(138,125,255,.24); }
.l3 { margin-inline: clamp(0px, 4vw, 56px); background: #fff; color: #000; border-color: #fff; }
.l3 p, .l3 .mono { color: #555; }
.layer-base { text-align: center; padding: 16px; border: 1px dashed rgba(255,255,255,.18); border-radius: 999px; color: var(--ink-3); margin-inline: clamp(0px, 6vw, 84px); }

/* ---------- 解决方案 ---------- */
.uses { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.use { border-radius: var(--radius); padding: clamp(24px, 3vw, 34px); display: flex; flex-direction: column; gap: 14px; transition: border-color .4s; }
.use:hover { border-color: rgba(255,255,255,.14); }
.use > .mono { color: var(--ink-3); }
.use h4 { font-size: clamp(22px, 2vw, 28px); font-weight: 500; letter-spacing: -0.03em; }
.use p { color: var(--ink-2); max-width: 520px; }
.chain { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: auto; padding-top: 10px; text-transform: none; font-size: 11px; }
.chain span { padding: 7px 11px; border-radius: 999px; background: rgba(255,255,255,.03); border: 1px solid var(--line); color: var(--ink-2); }
.chain span.hl { color: #fff; border-color: rgba(150,130,255,.28); background: linear-gradient(135deg, rgba(91,140,255,.10), rgba(157,107,255,.10)); box-shadow: 0 0 16px -4px rgba(138,125,255,.32); }
.chain i { font-style: normal; color: var(--ink-3); }

/* ---------- 开发者 ---------- */
.dev { position: relative; max-width: calc(var(--max) + 2 * var(--pad)); margin: 0 auto; padding: 0 var(--pad); }
.dev-inner {
  position: relative; overflow: hidden; border-radius: calc(var(--radius) + 8px); border: 1px solid var(--line);
  background: radial-gradient(800px 400px at 85% 0%, rgba(110,100,255,.07), transparent 60%), #030303;
  padding: clamp(40px, 6vw, 88px); display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: center;
}
.dev-info { display: flex; flex-direction: column; gap: 24px; }
.dev-info > p:not(.label) { color: var(--ink-2); font-size: 17px; max-width: 460px; }
.dev-list { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--line-2); }
.dev-list li { display: grid; grid-template-columns: 72px 1fr; padding: 13px 0; border-bottom: 1px solid var(--line-2); color: #d4d4d4; }
.dev-list .mono { color: #b4a9ff; padding-top: 3px; }
.dev-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.code { background: #050505; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 40px 100px -40px rgba(110,100,255,.20); }
.code-tabs { display: flex; gap: 2px; padding: 8px; border-bottom: 1px solid var(--line-2); }
.code-tabs button { border: 0; background: none; color: var(--ink-3); padding: 7px 14px; border-radius: 10px; cursor: pointer; font-size: 13px; transition: all .2s; }
.code-tabs button:hover { color: #fff; }
.code-tabs button[aria-selected="true"] { background: rgba(255,255,255,.08); color: #fff; }
.code-tabs .copy { margin-left: auto; font-size: 11px; border: 1px solid var(--line); }
.code-body { margin: 0; padding: 22px; font: 13px/1.75 var(--mono); color: #e2e2e2; overflow-x: auto; min-height: 330px; }
.code-body[hidden] { display: none; }
.t-k { color: #b4a9ff; } .t-s { color: #8fb4ff; } .t-c { color: #5a5a66; } .t-n { color: #f5b546; }
.code-foot { display: flex; justify-content: space-between; gap: 12px; padding: 12px 22px; border-top: 1px solid var(--line-2); color: var(--ink-3); text-transform: none; font-size: 11px; flex-wrap: wrap; }
.code-foot span:first-child { color: var(--ok); display: inline-flex; align-items: center; gap: 8px; }
.dot-ok { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- 安全网格 ---------- */
.caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; }
.cap { border: 0; background: var(--bg); padding: 28px 26px 32px; display: flex; flex-direction: column; gap: 10px; min-height: 200px; transition: background .4s; }
.cap:hover { background: #080808; }
.cap .mono { color: var(--ink-3); }
.cap h4 { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; margin-top: auto; }
.cap p { color: var(--ink-2); font-size: 14px; }

/* ---------- 价格 ---------- */
.bill { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.toggle { display: inline-flex; padding: 4px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 999px; }
.toggle button { border: 0; background: none; padding: 8px 18px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--ink-2); display: inline-flex; gap: 8px; align-items: center; transition: all .25s; }
.toggle button.on { background: #fff; color: #000; }
.save { font-size: 10px; background: var(--grad); color: #fff; padding: 3px 7px; border-radius: 999px; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plan { position: relative; border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 18px; }
.plan h4 { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.plan-desc { color: var(--ink-3); font-size: 14px; margin-top: -10px; }
.price { display: flex; flex-direction: column; gap: 2px; }
.price strong { font-size: 46px; font-weight: 600; letter-spacing: -0.05em; line-height: 1; }
.price span { color: var(--ink-3); font-size: 13px; }
.plan .btn { width: 100%; }
.plan .checks { border-top: 1px solid var(--line-2); padding-top: 18px; }
.plan .checks li { font-size: 14px; }
.plan.featured {
  background: radial-gradient(500px 260px at 50% 0%, rgba(138,125,255,.09), transparent 70%), #070707;
  border-color: rgba(150,130,255,.22); box-shadow: 0 0 80px -30px rgba(138,125,255,.32);
}
.badge { position: absolute; top: 24px; right: 24px; background: var(--grad); color: #fff; padding: 5px 10px; border-radius: 999px; font-size: 10px; box-shadow: 0 0 16px rgba(138,125,255,.24); }
.pricing-note { margin-top: 16px; padding: 18px 22px; border-radius: 18px; border: 1px dashed rgba(255,255,255,.16); color: var(--ink-2); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.pricing-note .mono { color: #fff; background: rgba(255,255,255,.06); border: 1px solid var(--line); padding: 5px 10px; border-radius: 999px; }
.pricing-note .link { margin-left: auto; }

/* ---------- 更新日志 ---------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.post { border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px; transition: transform .4s var(--ease), border-color .4s; }
.post:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.14); }
.post-meta { display: flex; justify-content: space-between; align-items: center; color: var(--ink-3); }
.tag { padding: 4px 10px; border-radius: 999px; font-size: 10px; border: 1px solid var(--line); color: var(--ink-2); }
.tag.t-flow { color: #9fbcff; border-color: rgba(91,140,255,.20); }
.tag.t-cloud { color: #fff; border-color: rgba(255,255,255,.4); }
.tag.t-one { color: #c8b6ff; border-color: rgba(157,107,255,.20); }
.post h4 { font-size: 21px; font-weight: 500; letter-spacing: -0.025em; line-height: 1.25; }
.post p { color: var(--ink-2); font-size: 15px; }
.post .link { margin-top: auto; align-self: flex-start; }

/* ---------- 公司 ---------- */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.about-quote { position: relative; overflow: hidden; border-radius: var(--radius); padding: clamp(28px, 4vw, 56px); display: flex; flex-direction: column; gap: 28px; }
.about-quote::after { content: ""; position: absolute; right: -120px; bottom: -120px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(closest-side, rgba(110,100,255,.12), transparent); pointer-events: none; }
blockquote { margin: 0; font-size: clamp(26px, 2.8vw, 40px); font-weight: 500; letter-spacing: -0.035em; line-height: 1.2; }
.about-text { color: var(--ink-2); font-size: 16px; max-width: 560px; }
.principles { display: grid; gap: 16px; }
.principle { border-radius: var(--radius); padding: 24px 28px; display: grid; gap: 8px; }
.principle .mono { color: var(--ink-3); }
.principle h4 { font-size: 21px; font-weight: 500; letter-spacing: -0.025em; }
.principle p { color: var(--ink-2); font-size: 15px; }
.principle.accent { border-color: rgba(150,130,255,.20); background: linear-gradient(135deg, rgba(91,140,255,.05), rgba(157,107,255,.05)); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: clamp(32px, 6vw, 96px); }
.faq-side { position: sticky; top: 120px; align-self: start; display: flex; flex-direction: column; align-items: flex-start; }
.faq-side .btn { margin-top: 32px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 48px 1fr 28px; align-items: center; padding: 24px 0; font-size: clamp(17px, 1.4vw, 20px); font-weight: 500; letter-spacing: -0.015em; transition: color .2s; }
summary:hover { color: #fff; }
summary::-webkit-details-marker { display: none; }
summary .mono { color: var(--ink-3); }
summary i { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line); position: relative; transition: background .3s, border-color .3s; }
summary i::before, summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 1.5px; background: #fff; transform: translate(-50%, -50%); }
summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .3s; }
details[open] summary i { background: var(--grad); border-color: transparent; box-shadow: 0 0 14px rgba(138,125,255,.24); }
details[open] summary i::after { transform: translate(-50%, -50%) rotate(0deg); }
details p { padding: 0 44px 26px 48px; color: var(--ink-2); font-size: 16px; animation: fade .4s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- 联系 ---------- */
.contact-card {
  position: relative; overflow: hidden; border-radius: calc(var(--radius) + 8px); border: 1px solid var(--line);
  background: radial-gradient(700px 400px at 0% 100%, rgba(91,140,255,.06), transparent 60%), radial-gradient(600px 400px at 100% 0%, rgba(157,107,255,.06), transparent 60%), #030303;
  padding: clamp(28px, 5vw, 72px); display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 80px);
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info > p:not(.label) { color: var(--ink-2); font-size: 17px; max-width: 440px; }
.contact-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.contact-points li { display: flex; gap: 14px; align-items: center; color: #d4d4d4; }
.contact-points .mono { color: #b4a9ff; }
.contact-alt { margin-top: auto; display: grid; gap: 10px; }
.contact-alt small { color: var(--ink-3); font-size: 14px; }
.contact-alt small a { color: var(--ink-2); border-bottom: 1px solid var(--line); }
.mail { font-size: clamp(22px, 2.2vw, 30px); font-weight: 500; letter-spacing: -0.03em; border-bottom: 1px solid var(--line); justify-self: start; padding-bottom: 4px; transition: border-color .3s; }
.mail:hover { border-color: var(--accent); }
.contact-form { display: grid; gap: 18px; align-content: start; }
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label, .contact-form legend { display: grid; gap: 8px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
.contact-form input:not([type=checkbox]), .contact-form select, .contact-form textarea {
  width: 100%; background: rgba(255,255,255,.03); border: 1px solid var(--line); color: #fff; border-radius: 12px;
  padding: 13px 15px; font: 400 15px var(--font); outline: none; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.contact-form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #888 50%), linear-gradient(135deg, #888 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.contact-form select option { background: #111; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: rgba(150,130,255,.32); box-shadow: 0 0 0 4px rgba(138,125,255,.06); }
.contact-form input.invalid { border-color: #ff6b6b; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { margin-bottom: 10px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { cursor: pointer; display: inline-block !important; }
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill span { display: inline-block; padding: 9px 15px; border-radius: 999px; border: 1px solid var(--line); color: #d4d4d4; font-size: 14px; font-weight: 400; transition: all .2s; }
.pill:hover span { border-color: rgba(255,255,255,.3); }
.pill input:checked + span { background: #fff; border-color: #fff; color: #000; }
.pill input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-foot small { color: var(--ink-3); font-size: 13px; }
.form-foot small a { color: var(--ink-2); border-bottom: 1px solid var(--line); }
.form-msg { font-size: 14px; min-height: 1.4em; color: #b4a9ff; }
.form-msg.err { color: #ff8a8a; }

/* ---------- 页脚 ---------- */
.footer { position: relative; max-width: var(--max); margin: 0 auto; padding: 40px var(--pad) 28px; overflow: hidden; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid var(--line-2); }
.footer-brand { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.footer-slogan { color: var(--ink-2); }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.03); border: 1px solid var(--line); color: var(--ink-2); text-transform: none; font-size: 11px; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.footer-cols { display: flex; gap: clamp(32px, 5vw, 80px); flex-wrap: wrap; }
.footer-cols div { display: flex; flex-direction: column; gap: 10px; }
.footer-cols .mono { color: var(--ink-3); margin-bottom: 6px; }
.footer-cols a { color: var(--ink-2); transition: color .2s; font-size: 14px; }
.footer-cols a:hover { color: #fff; }
.footer-word {
  position: relative; font-size: clamp(64px, 18vw, 270px); font-weight: 700; letter-spacing: -0.035em; line-height: .8;
  text-align: center; padding: 56px 0 24px; user-select: none;
  background: linear-gradient(180deg, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 85%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer-word::before { content: ""; position: absolute; left: 50%; top: 60%; width: 70%; height: 60%; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(110,100,255,.09), transparent); z-index: -1; }
.footer-bottom { display: flex; justify-content: space-between; color: var(--ink-3); gap: 16px; flex-wrap: wrap; }

/* ---------- 法律页面 ---------- */
.legal-hero { position: relative; max-width: var(--max); margin: 0 auto; padding: clamp(140px, 18vh, 180px) var(--pad) clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line-2); }
.legal-hero::before { content: ""; position: absolute; left: 50%; top: -200px; width: 900px; height: 520px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(110,100,255,.08), transparent); pointer-events: none; z-index: -1; }
.crumbs { display: flex; gap: 8px; color: var(--ink-3); margin-bottom: 22px; text-transform: none; }
.crumbs a:hover { color: #fff; }
.legal-hero h1 { font-size: clamp(40px, 6vw, 80px); font-weight: 600; letter-spacing: -0.04em; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; color: var(--ink-3); text-transform: none; }
.legal-lead { max-width: 720px; margin-top: 22px; font-size: 18px; color: var(--ink-2); }
.legal-wrap { max-width: var(--max); margin: 0 auto; padding: clamp(48px, 6vw, 80px) var(--pad) clamp(80px, 10vw, 120px); display: grid; grid-template-columns: 250px minmax(0, 760px); gap: clamp(32px, 6vw, 96px); }
.toc { position: sticky; top: 110px; align-self: start; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 140px); overflow-y: auto; }
.toc > .mono { color: var(--ink-3); margin-bottom: 10px; }
.toc a { padding: 6px 12px; border-left: 1px solid var(--line); color: var(--ink-3); font-size: 14px; transition: color .2s, border-color .2s; }
.toc a:hover { color: #fff; }
.toc a.on { color: #fff; border-left-color: var(--accent); box-shadow: -1px 0 0 0 var(--accent); }
.legal { color: #c4c4c4; font-size: 16px; line-height: 1.8; }
.legal section { padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line-2); }
.legal section:last-of-type { border-bottom: 0; }
.legal h2 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 600; letter-spacing: -0.025em; color: #fff; margin-bottom: 18px; display: flex; gap: 14px; align-items: baseline; }
.legal h2 .n { font: 13px var(--mono); color: var(--ink-3); }
.legal h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; color: #fff; margin: 26px 0 10px; }
.legal p + p, .legal p + ul, .legal ul + p, .legal table + p { margin-top: 14px; }
.legal ul { margin: 12px 0 0; padding-left: 0; list-style: none; display: grid; gap: 8px; }
.legal ul li { position: relative; padding-left: 22px; }
.legal ul li::before { content: ""; position: absolute; left: 4px; top: .78em; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }
.legal strong { color: #fff; font-weight: 600; }
.legal a:not(.btn) { color: #fff; border-bottom: 1px solid rgba(138,125,255,.24); }
.legal a:not(.btn):hover { border-color: #fff; }
.legal .short { margin-bottom: 18px; padding: 14px 18px; border-radius: 14px; border: 1px solid rgba(138,125,255,.14); background: linear-gradient(135deg, rgba(91,140,255,.03), rgba(157,107,255,.03)); color: #dadada; font-size: 15px; }
.legal .short b { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: #b4a9ff; margin-right: 8px; }
.legal table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; line-height: 1.6; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.legal th { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); background: rgba(255,255,255,.03); white-space: nowrap; }
.legal tr:last-child td { border-bottom: 0; }
.legal td:first-child { color: #fff; font-weight: 500; white-space: nowrap; }
.legal .caps-note { text-transform: uppercase; font-size: 14px; letter-spacing: .01em; color: #b6b6b6; }
.ph { background: rgba(245,181,70,.14); color: #f5c46b; border: 1px dashed rgba(245,181,70,.6); border-radius: 6px; padding: 0 6px; font-style: normal; white-space: nowrap; }
.legal-cta { margin-top: 8px; padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: radial-gradient(500px 200px at 100% 0%, rgba(138,125,255,.06), transparent 70%), var(--card); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.legal-cta h3 { margin: 0 0 4px; font-size: 20px; }
.legal-cta p { color: var(--ink-2); font-size: 15px; }
@media (max-width: 960px) {
  .legal-wrap { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
}

/* ---------- 进入动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .pv-one { grid-template-columns: 150px 1fr; }
  .sources { display: none; }
  .plans { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1080px) {
  .caps { grid-template-columns: repeat(2, 1fr); }
  .pcards, .posts { grid-template-columns: 1fr; }
  .about-grid, .faq-grid, .contact-card, .dev-inner { grid-template-columns: 1fr; }
  .faq-side { position: static; }
  .layer { grid-template-columns: 1fr; gap: 8px; }
  .layer p { text-align: left; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .nav-links {
    position: fixed; top: 74px; left: 16px; right: 16px; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(6,6,6,.98); border: 1px solid var(--line); border-radius: 22px; padding: 8px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.9);
    opacity: 0; pointer-events: none; transform: translateY(-10px); transition: all .3s var(--ease);
    max-height: calc(100vh - 100px); overflow-y: auto;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-links > a, .nav-trigger { padding: 14px 16px; font-size: 17px; color: #fff; border-radius: 14px; }
  .caret { display: none; }
  .mega { position: static; width: auto; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: none; padding: 0 0 6px; backdrop-filter: none; }
  .mega-foot { display: none; }
  .menu-btn { display: block; }
  .hide-sm { display: none; }
  .pv-flow { grid-template-columns: 1fr; }
  .runs { display: none; }
}
@media (max-width: 640px) {
  .caps, .uses, .plans { grid-template-columns: 1fr; }
  .cap { min-height: 150px; }
  .contact-form .row { grid-template-columns: 1fr; }
  .pv-one { grid-template-columns: 1fr; }
  .side { display: none; }
  .panel, .pv-one, .pv-flow, .pv-cloud { min-height: 400px; }
  .node { min-width: 170px; font-size: 12px; }
  .n4, .n5 { min-width: 0; }
  .n4 { left: 25%; } .n5 { left: 75%; }
  .log > div { grid-template-columns: 1fr 1fr 80px; }
  .log > div > :nth-child(1), .log > div > :nth-child(3) { display: none; }
  .kpis strong { font-size: 22px; }
  .seg button { padding: 8px 16px; }
  .pricing-note .link { margin-left: 0; }
  .horizon { width: 260%; top: 30px; }
  summary { grid-template-columns: 36px 1fr 28px; }
  details p { padding: 0 0 24px 36px; }
}