/* ================================================================
   微米官网 · 设计系统
   墨黑为主色，四个产品各带自己的品牌色；所有动效都尊重「减少动态效果」。
   ================================================================ */
:root {
  --ink-950: #060912;
  --ink-900: #0a0f1d;
  --ink-800: #111829;
  --ink-700: #1b2438;
  --ink-600: #2a3550;
  --paper: #f6f7fa;
  --surface: #ffffff;
  --line: #e5e8ef;
  --line-2: #d6dae4;
  --text: #0d1324;
  --text-2: #475069;
  --text-3: #646c82;
  --on-dark: #eef1f8;
  --on-dark-2: #a7b0c6;
  --on-dark-3: #6f7a93;

  --reach: #ff6a3d;
  --xianyu: #ffc300;
  --cad: #2f7bff;
  --banzhuan: #10b06a;
  --ok: #12a150;
  --warn: #e8a100;
  --err: #e5484d;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 2px rgb(13 19 36 / .06), 0 1px 1px rgb(13 19 36 / .04);
  --shadow: 0 2px 4px rgb(13 19 36 / .04), 0 12px 32px -8px rgb(13 19 36 / .12);
  --shadow-lg: 0 4px 8px rgb(13 19 36 / .04), 0 32px 64px -16px rgb(13 19 36 / .22);

  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.4, .64, 1);
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "SF Mono", monospace;
  --nav-h: 68px;
  --sheet: 32px;
  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font: 400 16px/1.7 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
:focus-visible { outline: 2px solid var(--cad); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgb(47 123 255 / .2); }
[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }
.nw { white-space: nowrap; }   /* 标题里不想被拆开的词组 */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink-900); color: #fff; padding: 10px 16px; border-radius: 10px; transition: top .2s; }
.skip:focus { top: 12px; }

/* ---------------------------------------------------------------- 按钮 */
.btn {
  --bg: var(--ink-900); --fg: #fff;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 999px; background: var(--bg); color: var(--fg);
  font-weight: 600; font-size: 15px; letter-spacing: .01em; white-space: nowrap;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .2s, color .2s;
  isolation: isolate; overflow: hidden;
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform .35s var(--ease); }
.btn:hover svg.arrow { transform: translateX(3px); }
.btn:active { transform: scale(.97); }
.btn-primary { box-shadow: 0 1px 0 rgb(255 255 255 / .12) inset, 0 8px 24px -8px rgb(6 9 18 / .5); }
.btn-primary:hover { box-shadow: 0 1px 0 rgb(255 255 255 / .12) inset, 0 14px 32px -10px rgb(6 9 18 / .55); }
.btn-light { --bg: #fff; --fg: var(--ink-900); box-shadow: 0 10px 30px -10px rgb(0 0 0 / .45); }
.btn-ghost-dark { --bg: rgb(255 255 255 / .06); --fg: var(--on-dark); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .14); backdrop-filter: blur(8px); }
.btn-ghost-dark:hover { --bg: rgb(255 255 255 / .1); }
.btn-ghost { --bg: transparent; --fg: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost:hover { --bg: var(--surface); box-shadow: inset 0 0 0 1px var(--text-3); }
.btn-lg { height: 56px; padding: 0 28px; font-size: 16px; }
/* 扫光 */
.btn-shine::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / .22) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .9s var(--ease);
}
.btn-shine:hover::after { transform: translateX(120%); }
.btn[disabled] { opacity: .6; pointer-events: none; }
.btn .spin { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; }
.btn.is-loading .spin { display: block; }
.btn.is-loading .label-idle { opacity: .7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- 导航 */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h);
  transition: transform .45s var(--ease), background .3s, box-shadow .3s, color .3s;
  color: var(--on-dark);
}
/* 首屏里一滚动就加深色毛玻璃，免得透明导航压在标题和画面上 */
.nav.is-scrolled:not(.is-solid) { background: rgb(6 9 18 / .72); backdrop-filter: saturate(1.4) blur(18px); -webkit-backdrop-filter: saturate(1.4) blur(18px); box-shadow: 0 1px 0 rgb(255 255 255 / .06); }
.nav.is-solid { background: rgb(246 247 250 / .78); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); box-shadow: 0 1px 0 rgb(13 19 36 / .07); color: var(--text); }
.nav.is-hidden { transform: translateY(-100%); }
.nav-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: .02em; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-mark rect { transition: transform .5s var(--ease-spring); transform-box: fill-box; transform-origin: center; }
.brand:hover .brand-mark rect:nth-child(1) { transform: rotate(-12deg) scale(.9); }
.brand:hover .brand-mark rect:nth-child(4) { transform: rotate(12deg) scale(.9); }
.nav-links { position: relative; display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-links a { position: relative; z-index: 1; padding: 8px 14px; border-radius: 999px; font-size: 14.5px; color: inherit; opacity: .78; transition: opacity .2s; }
.nav-links a:hover, .nav-links a.is-active { opacity: 1; }
.nav-pill { position: absolute; z-index: 0; top: 50%; height: 36px; border-radius: 999px; background: currentColor; opacity: .08; transform: translateY(-50%); transition: left .45s var(--ease), width .45s var(--ease), opacity .3s; pointer-events: none; }
.nav-cta { height: 40px; padding: 0 18px; font-size: 14px; }
.nav:not(.is-solid) .nav-cta { --bg: #fff; --fg: var(--ink-900); }
.nav-burger { display: none; width: 40px; height: 40px; margin-left: auto; border-radius: 12px; }
.nav-burger span { display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; border-radius: 2px; transition: transform .35s var(--ease), opacity .2s; }
.nav.is-open .nav-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- 首屏 */
.hero {
  --mx: 50%; --my: 30%;
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--ink-950); color: var(--on-dark);
  padding: calc(var(--nav-h) + clamp(48px, 9vh, 104px)) 0 clamp(72px, 10vh, 120px);
}
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.aurora { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; will-change: transform; }
.aurora.a1 { width: 46vw; height: 46vw; left: -10vw; top: -16vw; background: radial-gradient(circle, var(--cad), transparent 65%); animation: drift1 22s var(--ease) infinite alternate; }
.aurora.a2 { width: 38vw; height: 38vw; right: -8vw; top: -10vw; background: radial-gradient(circle, var(--reach), transparent 65%); opacity: .4; animation: drift2 26s var(--ease) infinite alternate; }
.aurora.a3 { width: 34vw; height: 34vw; left: 30vw; bottom: -22vw; background: radial-gradient(circle, var(--banzhuan), transparent 65%); opacity: .38; animation: drift3 30s var(--ease) infinite alternate; }
.aurora.a4 { width: 24vw; height: 24vw; right: 18vw; bottom: -8vw; background: radial-gradient(circle, var(--xianyu), transparent 65%); opacity: .25; animation: drift2 24s var(--ease) infinite alternate-reverse; }
@keyframes drift1 { to { transform: translate(8vw, 6vw) scale(1.12); } }
@keyframes drift2 { to { transform: translate(-6vw, 8vw) scale(.92); } }
@keyframes drift3 { to { transform: translate(-10vw, -4vw) scale(1.15); } }
.grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgb(255 255 255 / .05) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / .05) 1px, transparent 1px);
  background-size: 56px 56px; background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
}
.spot { position: absolute; inset: 0; background: radial-gradient(520px circle at var(--mx) var(--my), rgb(255 255 255 / .07), transparent 60%); transition: opacity .4s; }
.noise { position: absolute; inset: 0; opacity: .5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.hero-fade { position: absolute; left: 0; right: 0; bottom: 0; height: 240px; background: radial-gradient(70% 100% at 50% 100%, rgb(150 170 230 / .16), transparent 70%); }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; height: 34px; padding: 0 14px 0 6px; border-radius: 999px;
  background: rgb(255 255 255 / .06); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .12); font-size: 13.5px; color: var(--on-dark-2);
}
.eyebrow-dots { display: flex; gap: 3px; padding: 6px 8px; border-radius: 999px; background: rgb(255 255 255 / .08); }
.eyebrow-dots i { width: 6px; height: 6px; border-radius: 50%; animation: blink 2.4s infinite; }
.eyebrow-dots i:nth-child(1) { background: var(--reach); }
.eyebrow-dots i:nth-child(2) { background: var(--xianyu); animation-delay: .2s; }
.eyebrow-dots i:nth-child(3) { background: var(--cad); animation-delay: .4s; }
.eyebrow-dots i:nth-child(4) { background: var(--banzhuan); animation-delay: .6s; }
@keyframes blink { 0%, 60%, 100% { opacity: 1; } 30% { opacity: .35; } }
.hero h1 {
  margin: 22px 0 0; font-size: clamp(38px, 4.6vw, 64px); line-height: 1.14; font-weight: 800; letter-spacing: -.02em;
}
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
@media (min-width: 921px) { .hero h1 .line { white-space: nowrap; } }
.hero h1 .ch { display: inline-block; opacity: 0; transform: translateY(70%) rotate(4deg); filter: blur(8px);
  animation: chIn .9s var(--ease) forwards; animation-delay: calc(var(--i) * 38ms + 120ms); }
@keyframes chIn { to { opacity: 1; transform: none; filter: none; } }
.grad-text {
  background: linear-gradient(100deg, #fff 0%, #cfe0ff 30%, #ffd2c2 55%, #fff1b8 75%, #c6f5dd 100%);
  background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: sheen 8s linear infinite;
}
.grad-text .ch { color: transparent; background: inherit; -webkit-background-clip: text; background-clip: text; }
@keyframes sheen { to { background-position: -200% 0; } }
.hero-sub { margin: 22px 0 0; max-width: 34em; font-size: clamp(16px, 1.35vw, 18.5px); color: var(--on-dark-2); line-height: 1.8; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-picks-t { margin: 30px 0 10px; font-size: 13px; color: var(--on-dark-3); }
.hero-picks { display: flex; flex-wrap: wrap; gap: 10px; }
.pick {
  display: inline-flex; align-items: center; gap: 9px; height: 42px; padding: 0 16px 0 6px; border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--on-dark); background: rgb(255 255 255 / .05); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .1);
  transition: background .3s, box-shadow .3s, transform .4s var(--ease);
}
.pick .pmark { width: 30px; height: 30px; border-radius: 999px; box-shadow: none; }
.pick .pmark svg { width: 16px; height: 16px; }
.pick:hover { background: color-mix(in srgb, var(--c) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 50%, transparent); transform: translateY(-2px); }
.fade-up { opacity: 0; transform: translateY(18px); animation: fadeUp .9s var(--ease) forwards; animation-delay: var(--d, 0s); }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

/* 首屏右侧：控制台 */
.console {
  position: relative; border-radius: var(--radius-lg); padding: 1px;
  background: linear-gradient(160deg, rgb(255 255 255 / .22), rgb(255 255 255 / .04) 40%, rgb(255 255 255 / .1));
  box-shadow: 0 40px 120px -30px rgb(0 0 0 / .8), 0 0 0 1px rgb(255 255 255 / .04);
  transform: perspective(1400px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .6s var(--ease);
}
.console-in { border-radius: calc(var(--radius-lg) - 1px); background: linear-gradient(180deg, rgb(17 24 41 / .92), rgb(10 15 29 / .96)); overflow: hidden; backdrop-filter: blur(20px); }
.win-bar { display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; border-bottom: 1px solid rgb(255 255 255 / .07); font-size: 12.5px; color: var(--on-dark-3); }
.win-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a4560; }
.win-bar i:nth-child(1) { background: #ff5f57; } .win-bar i:nth-child(2) { background: #febc2e; } .win-bar i:nth-child(3) { background: #28c840; }
.win-bar .title { margin-left: 8px; }
.demo-tag { margin-left: auto; padding: 2px 8px; border-radius: 6px; font-size: 11.5px; color: var(--on-dark-3); background: rgb(255 255 255 / .06); }
.console-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 16px; }
.tile {
  --c: var(--cad);
  position: relative; display: flex; flex-direction: column; gap: 10px; min-height: 152px; padding: 16px; border-radius: var(--radius);
  background: rgb(255 255 255 / .035); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .07);
  overflow: hidden; transition: background .3s, box-shadow .3s, transform .4s var(--ease); text-align: left;
}
.tile::before { content: ""; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--px, 50%) var(--py, 0%), color-mix(in srgb, var(--c) 22%, transparent), transparent 60%); opacity: 0; transition: opacity .3s; }
.tile:hover { background: rgb(255 255 255 / .06); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 45%, transparent); transform: translateY(-2px); }
.tile:hover::before { opacity: 1; }
.tile-head { position: relative; display: flex; align-items: center; gap: 10px; }
.tile-name { font-size: 14px; font-weight: 600; color: var(--on-dark); line-height: 1.3; }
.tile-sub { font-size: 12px; color: var(--on-dark-3); line-height: 1.3; }
.tile-live { position: absolute; right: 0; top: 2px; display: flex; }
.tile-head > div { min-width: 0; padding-right: 14px; }
.tile-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 0 var(--c); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c) 60%, transparent); } 80%, 100% { box-shadow: 0 0 0 7px transparent; } }
.ticker { position: relative; margin-top: auto; height: 62px; overflow: hidden; }
.tick {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; gap: 4px;
  font-size: 13px; color: var(--on-dark-2); line-height: 1.45;
  transition: transform .6s var(--ease), opacity .6s var(--ease);
}
.tick b { color: var(--on-dark); font-weight: 600; }
.tick .meta { font-size: 11.5px; color: var(--on-dark-3); font-family: var(--mono); }
.tick.out { transform: translateY(-40%); opacity: 0; }
.tick.pre { transform: translateY(40%); opacity: 0; transition: none; }
.tick .hl { color: var(--c); font-weight: 700; }
.console-foot { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid rgb(255 255 255 / .07); font-size: 12.5px; color: var(--on-dark-3); }
.console-foot .bar { flex: 1; height: 4px; border-radius: 4px; background: rgb(255 255 255 / .07); overflow: hidden; }
.console-foot .bar i { display: block; height: 100%; width: 40%; border-radius: inherit; background: linear-gradient(90deg, var(--reach), var(--xianyu), var(--cad), var(--banzhuan)); animation: load 3.2s var(--ease) infinite; }
@keyframes load { 0% { transform: translateX(-100%); } 100% { transform: translateX(260%); } }
.float-chip {
  position: absolute; display: flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 14px;
  background: rgb(255 255 255 / .95); color: var(--text); font-size: 13px; font-weight: 600;
  box-shadow: 0 18px 40px -12px rgb(0 0 0 / .5); animation: bob 6s var(--ease) infinite alternate;
}
.float-chip small { font-weight: 500; color: var(--text-3); }
.float-chip.c1 { left: -30px; bottom: -22px; }
.float-chip.c2 { right: 28px; top: -24px; animation-delay: -3s; }
.float-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
@keyframes bob { to { transform: translateY(-10px); } }

/* 产品徽标 */
.pmark { --c: var(--cad); display: grid; place-items: center; width: 34px; height: 34px; flex: none; border-radius: 10px; color: #fff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--c) 100%, #fff 0%), color-mix(in srgb, var(--c) 78%, #000)); box-shadow: inset 0 1px 0 rgb(255 255 255 / .25), 0 6px 16px -6px var(--c); }
.pmark svg { width: 19px; height: 19px; }
.pmark.lg { width: 52px; height: 52px; border-radius: 15px; }
.pmark.lg svg { width: 28px; height: 28px; }

/* ---------------------------------------------------------------- 通用版块 */
.section { position: relative; padding: clamp(80px, 11vw, 140px) 0; }
/* 深浅交界：后一块像一张圆角的纸叠上来，不是一刀切 */
.hero + .section, .dl, .dl + .section, .footer { z-index: 1; margin-top: calc(-1 * var(--sheet)); border-radius: var(--sheet) var(--sheet) 0 0; }
.hero + .section, .dl + .section { background: var(--paper); }
.section-head { max-width: 760px; margin: 0 auto clamp(40px, 6vw, 72px); text-align: center; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; letter-spacing: .08em; color: var(--text-3); }
.kicker::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: currentColor; opacity: .6; }
.h2 { margin: 14px 0 0; font-size: clamp(30px, 3.8vw, 50px); line-height: 1.2; font-weight: 800; letter-spacing: -.015em; }
.lead { margin: 18px 0 0; font-size: clamp(16px, 1.3vw, 18px); color: var(--text-2); line-height: 1.8; }

/* 滚动进场 */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
[data-reveal="scale"] { transform: scale(.96) translateY(20px); }
[data-reveal="left"] { transform: translateX(-28px); }
[data-reveal="right"] { transform: translateX(28px); }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- 数据 */
.stats-sec { padding-bottom: clamp(40px, 6vw, 72px); }
.stats-sec + .section { padding-top: clamp(40px, 6vw, 80px); }
.stats { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); gap: 14px; }
.stat {
  --c: var(--cad);
  position: relative; display: flex; flex-direction: column; padding: 24px 22px 22px; border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); overflow: hidden;
}
.stat::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--c); opacity: .85; }
.stat .pmark { width: 30px; height: 30px; border-radius: 9px; margin-bottom: 18px; }
.stat .pmark svg { width: 16px; height: 16px; }
.stat-v { display: flex; align-items: baseline; gap: 2px; line-height: 1; }
.stat-n { font-size: clamp(34px, 3.2vw, 44px); font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat-u { font-size: 18px; font-weight: 700; color: var(--text-2); }
.stat-l { margin-top: 10px; font-size: 15px; font-weight: 600; }
.stat small { margin-top: 4px; font-size: 12.5px; color: var(--text-3); }
.stat-main { justify-content: flex-end; background: var(--ink-950); color: var(--on-dark); box-shadow: var(--shadow); }
.stat-main::before { content: ""; position: absolute; inset: 0; background: radial-gradient(90% 80% at 0% 0%, rgb(47 123 255 / .35), transparent 60%), radial-gradient(70% 70% at 100% 100%, rgb(255 106 61 / .22), transparent 60%); }
.stat-main::after { background: linear-gradient(90deg, var(--reach), var(--xianyu), var(--cad), var(--banzhuan)); }
.stat-main > * { position: relative; }
.stat-main .stat-n { font-size: clamp(48px, 5vw, 68px); }
.stat-main .stat-u { color: var(--on-dark-2); font-size: 32px; }
.stat-main .stat-l { font-size: 17px; }
.stat-main p { margin: 10px 0 0; font-size: 13.5px; line-height: 1.7; color: var(--on-dark-2); }
.stats-note { margin: 16px 0 0; text-align: center; font-size: 12.5px; color: var(--text-3); }

/* 产品里的能力数字 */
.p-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 24px; border-radius: var(--radius); overflow: hidden; background: var(--line); box-shadow: inset 0 0 0 1px var(--line); }
.p-stats > div { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; background: var(--surface); }
.p-stats b { font-size: 24px; font-weight: 800; line-height: 1.1; color: color-mix(in srgb, var(--c) 82%, #000); font-variant-numeric: tabular-nums; }
.p-stats b small { margin-left: 2px; font-size: 13px; font-weight: 700; }
.p-stats span { font-size: 12.5px; line-height: 1.5; color: var(--text-2); }
.is-xianyu .p-stats b { color: #9a7400; }

/* ---------------------------------------------------------------- 能做什么 */
.teams { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 22px; }
.teams span { padding: 5px 14px; border-radius: 999px; font-size: 14px; font-weight: 700; color: var(--text); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line-2); }
.teams span:nth-child(1) { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--reach) 55%, transparent); }
.teams span:nth-child(2) { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--xianyu) 70%, transparent); }
.teams span:nth-child(3) { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--cad) 55%, transparent); }
.teams span:nth-child(4) { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--banzhuan) 55%, transparent); }
.teams span:nth-child(5) { box-shadow: inset 0 0 0 1.5px var(--line-2); }
.sub-h { margin: clamp(56px, 7vw, 88px) 0 24px; text-align: center; font-size: clamp(20px, 2vw, 26px); font-weight: 800; }
.vs { max-width: 980px; margin: 0 auto; padding: 8px 28px 0; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow), inset 0 0 0 1px var(--line); }
.vs-head { display: flex; align-items: center; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.vs-head b { font-size: 16.5px; }
.vs-head small { margin-left: auto; font-size: 12.5px; color: var(--text-3); }
.vs-cols, .vs-row { display: grid; grid-template-columns: 64px 1fr 1fr; gap: 20px; align-items: center; }
.vs-cols { padding: 16px 0 6px; font-size: 13px; font-weight: 700; }
.vs-cols span { display: flex; align-items: center; gap: 8px; }
.vs-cols svg { width: 18px; height: 18px; }
.vs-cols .old { color: var(--text-3); }
.vs-cols .new { color: var(--reach); }
.vs-row { padding: 14px 0; border-bottom: 1px dashed var(--line); }
.vs-k { font-size: 14px; font-weight: 700; }
.vs-row p { margin: 0; font-size: 14.5px; line-height: 1.65; }
.vs-row p small { display: none; }
.vs-old { color: var(--text-3); }
.vs-new { position: relative; padding: 10px 14px; border-radius: 12px; color: var(--text); background: color-mix(in srgb, var(--reach) 7%, #fff); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--reach) 18%, transparent); }
.vs-foot { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px 0 20px; font-size: 15px; font-weight: 700; }
.vs-foot svg { width: 18px; height: 18px; color: var(--ok); }
.fits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.fit { padding: 22px 22px 20px; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); }
.fit b { display: block; font-size: 20px; }
.fit b::before { content: ""; display: block; width: 26px; height: 4px; margin-bottom: 14px; border-radius: 4px; background: linear-gradient(90deg, var(--reach), var(--xianyu), var(--cad), var(--banzhuan)); }
.fit p { margin: 8px 0 0; font-size: 14.5px; line-height: 1.7; color: var(--text-2); }
.jobs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 22px; }

/* ---------------------------------------------------------------- 怎么合作 */
.proc { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.proc::before { content: ""; position: absolute; left: 10%; right: 10%; top: 21px; height: 2px; background: linear-gradient(90deg, var(--reach), var(--xianyu), var(--cad), var(--banzhuan)); opacity: .35; }
.proc li { position: relative; text-align: center; }
.proc i { display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto; border-radius: 14px; background: var(--ink-900); color: #fff; font: 700 15px var(--mono); font-style: normal; box-shadow: 0 0 0 6px var(--paper); }
.proc h3 { margin: 18px 0 6px; font-size: 17px; }
.proc p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--text-2); }

/* ---------------------------------------------------------------- 联系 */
.contact-sec { padding-top: 0; }
.contact {
  position: relative; isolation: isolate; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .9fr); gap: clamp(28px, 4vw, 56px); align-items: center;
  padding: clamp(32px, 5vw, 64px); border-radius: var(--radius-xl); background: var(--ink-950); color: var(--on-dark); box-shadow: var(--shadow-lg);
}
.contact .aurora { opacity: .35; }
.contact .kicker { color: var(--on-dark-3); }
.contact .h2 { margin-top: 12px; }
.contact .lead { color: var(--on-dark-2); }
.contact-tips { display: grid; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; font-size: 14.5px; color: var(--on-dark-2); }
.contact-tips li { display: flex; align-items: center; gap: 10px; }
.contact-tips svg { width: 16px; height: 16px; color: var(--banzhuan); }
.contact-ways { display: grid; gap: 12px; }
.way { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: var(--radius); background: rgb(255 255 255 / .05); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .1); }
.way-ic { display: grid; place-items: center; width: 42px; height: 42px; flex: none; border-radius: 12px; background: #fff; color: var(--ink-900); }
.way-ic svg { width: 21px; height: 21px; }
.way small { display: block; font-size: 12.5px; color: var(--on-dark-3); }
.way b { font-size: 18px; letter-spacing: .02em; user-select: all; }
.way-note { margin: 4px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--on-dark-3); }

/* ---------------------------------------------------------------- 一套服务 */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pillar {
  position: relative; padding: 28px 24px 26px; border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow), inset 0 0 0 1px var(--line); }
.pillar-ic { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); color: var(--text); }
.pillar-ic svg { width: 22px; height: 22px; }
.pillar h3 { margin: 20px 0 6px; font-size: 18px; line-height: 1.4; }
.pillar p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
.pillar .glow { position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; filter: blur(40px); opacity: .0; transition: opacity .5s; }
.pillar:hover .glow { opacity: .35; }
.pillar:nth-child(1) .glow { background: var(--banzhuan); }
.pillar:nth-child(2) .glow { background: var(--cad); }
.pillar:nth-child(3) .glow { background: var(--reach); }
.pillar:nth-child(4) .glow { background: var(--xianyu); }

/* ---------------------------------------------------------------- 产品切换条（吸顶） */
.ptabs-wrap { position: sticky; top: 12px; z-index: 30; display: flex; justify-content: center; margin-bottom: clamp(40px, 6vw, 64px); pointer-events: none; transition: top .45s var(--ease); }
.nav:not(.is-hidden) ~ main .ptabs-wrap { top: calc(var(--nav-h) + 10px); }
.ptabs { position: relative; display: flex; gap: 4px; padding: 5px; border-radius: 999px; background: rgb(255 255 255 / .82); backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px); box-shadow: var(--shadow), inset 0 0 0 1px var(--line); pointer-events: auto; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.ptabs::-webkit-scrollbar { display: none; }
.ptab { position: relative; z-index: 1; display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px 0 8px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--text-2); white-space: nowrap; transition: color .3s; }
.ptab .pmark { width: 26px; height: 26px; border-radius: 8px; box-shadow: none; }
.ptab .pmark svg { width: 15px; height: 15px; }
.ptab.is-active { color: var(--text); }
.ptab-pill { position: absolute; z-index: 0; top: 5px; bottom: 5px; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); transition: left .5s var(--ease), width .5s var(--ease); }

/* ---------------------------------------------------------------- 产品章节 */
.product { --c: var(--cad); position: relative; padding: clamp(32px, 5vw, 56px) 0 clamp(72px, 9vw, 120px); }
.product + .product { border-top: 1px solid var(--line); padding-top: clamp(72px, 9vw, 120px); }
.p-top { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.product:nth-of-type(even) .p-top { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.product:nth-of-type(even) .p-copy { order: 2; }
.p-label { display: flex; align-items: center; gap: 14px; }
.p-num { font: 600 13px var(--mono); color: var(--text-3); letter-spacing: .1em; }
.p-name { font-size: 15px; font-weight: 700; }
.p-tag { font-size: 13px; color: var(--text-3); }
.p-copy h3 { margin: 24px 0 0; font-size: clamp(28px, 3.3vw, 44px); line-height: 1.25; font-weight: 800; letter-spacing: -.015em; }
.p-copy h3 em { font-style: normal; color: var(--c); }
.is-xianyu .p-copy h3 em { color: #c99700; }
.p-copy .lead { font-size: 16.5px; }
.p-list { margin: 26px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.p-list li { display: flex; gap: 12px; font-size: 15px; color: var(--text-2); line-height: 1.65; }
.p-list li b { color: var(--text); font-weight: 600; }
.p-list .ck { display: grid; place-items: center; flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 7px; background: color-mix(in srgb, var(--c) 14%, #fff); color: var(--c); }
.is-xianyu .p-list .ck { color: #b38600; }
.p-list .ck svg { width: 13px; height: 13px; }
.p-fit { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip { display: inline-flex; align-items: center; height: 30px; padding: 0 12px; border-radius: 999px; font-size: 13px; color: var(--text-2); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.p-note { margin: 18px 0 0; font-size: 13px; color: var(--text-3); line-height: 1.7; }
.p-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.p-ver { font: 500 12.5px var(--mono); color: var(--text-3); }

/* 示例画面外框 */
.stage { position: relative; }
.stage-glow { position: absolute; inset: 8% 6%; border-radius: 40px; background: var(--c); filter: blur(70px); opacity: .18; z-index: 0; transition: opacity .8s; }
.mock {
  position: relative; z-index: 1; border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line); overflow: hidden;
}
.mock .win-bar { border-bottom: 1px solid var(--line); color: var(--text-3); background: #fbfbfd; }
.mock .win-bar i { background: #dde1ea; }
.mock .demo-tag { background: var(--paper); color: var(--text-3); }
.mock-body { padding: 18px; min-height: 380px; }
.replay { position: absolute; z-index: 2; right: 14px; bottom: 14px; display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border-radius: 999px; font-size: 12.5px; color: var(--text-2); background: rgb(255 255 255 / .9); box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s var(--ease); }
.replay svg { width: 13px; height: 13px; }
.stage:hover .replay, .replay:focus-visible { opacity: 1; transform: none; }

/* 流程 */
.flow { position: relative; display: flex; justify-content: space-between; gap: 8px; margin: clamp(48px, 6vw, 72px) 0 0; padding: 0; list-style: none; counter-reset: f; }
.flow::before, .flow::after { content: ""; position: absolute; left: 20px; right: 20px; top: 19px; height: 2px; border-radius: 2px; background: var(--line); }
.flow::after { background: linear-gradient(90deg, color-mix(in srgb, var(--c) 40%, transparent), var(--c)); transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform 1.6s var(--ease); }
.flow.in { --p: 1; }
.flow li { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; align-items: center; gap: 12px; min-width: 0; text-align: center; font-size: 13.5px; color: var(--text-2); counter-increment: f; }
.flow li::before {
  content: counter(f); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  font: 600 13px var(--mono); color: var(--text-3); background: var(--paper); box-shadow: inset 0 0 0 2px var(--line);
  transition: color .4s, background .4s, box-shadow .4s, transform .5s var(--ease-spring); transition-delay: calc(var(--i) * 160ms + .2s);
}
.flow.in li::before { color: #fff; background: var(--c); box-shadow: 0 0 0 5px color-mix(in srgb, var(--c) 16%, transparent); transform: scale(1.05); }
.is-xianyu .flow.in li::before { color: #2a2100; }
.flow li.me::after { content: "你来"; position: absolute; top: -26px; font-size: 11px; font-weight: 600; color: var(--c); padding: 1px 7px; border-radius: 6px; background: color-mix(in srgb, var(--c) 12%, #fff); }
.is-xianyu .flow li.me::after { color: #a07800; }

/* 亮点卡片 */
.gains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: clamp(40px, 5vw, 64px); }
.gain {
  --px: 50%; --py: 50%;
  position: relative; padding: 26px 24px; border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); overflow: hidden; isolation: isolate;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.gain::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(360px circle at var(--px) var(--py), color-mix(in srgb, var(--c) 10%, transparent), transparent 55%); opacity: 0; transition: opacity .4s; }
.gain::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: radial-gradient(240px circle at var(--px) var(--py), var(--c), transparent 60%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .4s; pointer-events: none; }
.gain:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.gain:hover::before, .gain:hover::after { opacity: 1; }
.gain h4 { margin: 0; font-size: 16.5px; line-height: 1.45; }
.gain p { margin: 8px 0 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
.gain .no { font: 600 12px var(--mono); color: var(--c); letter-spacing: .08em; }
.is-xianyu .gain .no { color: #b38600; }
.gain .no + h4 { margin-top: 12px; }

/* ================================================================
   示例画面：Reach
   ================================================================ */
.m-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
.m-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: 8px; font-size: 12.5px; color: var(--text-2); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); }
.m-chip b { color: var(--text); font-weight: 600; }
.m-chip.c { color: var(--c); background: color-mix(in srgb, var(--c) 10%, #fff); box-shadow: none; font-weight: 600; }
.leads { display: grid; gap: 8px; }
.lead-row {
  display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 11px 12px; border-radius: 14px;
  background: var(--surface); box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease), background .4s, box-shadow .4s;
}
.lead-row.show { opacity: 1; transform: none; }
.lead-row.hot { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--c) 55%, transparent); background: color-mix(in srgb, var(--c) 4%, #fff); }
.lead-row.peer { opacity: .55; }
.lead-row.peer .say { text-decoration: line-through; text-decoration-color: var(--text-3); }
.av { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; font-size: 13px; font-weight: 700; color: #fff; }
.av.a1 { background: linear-gradient(135deg, #f59e0b, #ef4444); } .av.a2 { background: linear-gradient(135deg, #06b6d4, #3b82f6); }
.av.a3 { background: linear-gradient(135deg, #64748b, #334155); } .av.a4 { background: linear-gradient(135deg, #a855f7, #ec4899); }
.lead-main { min-width: 0; }
.say { font-size: 13.5px; color: var(--text); line-height: 1.5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.why { display: flex; align-items: center; gap: 6px; margin-top: 3px; font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; }
.why .plat { flex: none; padding: 0 5px; border-radius: 4px; font-size: 10.5px; font-weight: 700; color: #fff; background: #111; }
.why .plat.bili { background: #fb7299; }
.why .reason { overflow: hidden; text-overflow: ellipsis; }
.why .reason::after { content: "▍"; color: var(--c); animation: blink 1s infinite; opacity: 0; }
.why .reason.typing::after { opacity: 1; }
.score { display: flex; align-items: baseline; gap: 2px; min-width: 52px; justify-content: flex-end; font: 700 22px var(--mono); color: var(--text-3); transition: color .3s; }
.score small { font-size: 11px; font-weight: 500; color: var(--text-3); }
.lead-row.hot .score { color: var(--c); }
.peer-tag { padding: 3px 8px; border-radius: 6px; font-size: 11.5px; font-weight: 600; color: var(--text-2); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); white-space: nowrap; }
.m-foot { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding: 12px 14px; border-radius: 14px; background: var(--paper); font-size: 13px; color: var(--text-2); }
.m-foot b { color: var(--text); }
.m-btn { margin-left: auto; height: 32px; padding: 0 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: #fff; background: var(--ink-900); display: inline-flex; align-items: center; transition: transform .3s var(--ease); }
.m-btn.pulse { animation: mpulse 1.4s var(--ease) infinite; }
@keyframes mpulse { 0% { box-shadow: 0 0 0 0 rgb(13 19 36 / .35); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ================================================================
   示例画面：闲鱼
   ================================================================ */
/* 两个案例叠在同一格里轮流出现，高度按高的那个算，切换时画面不跳 */
.xy-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.xy-tab { padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--text-3); background: var(--paper); transition: background .3s, color .3s; }
.xy-tab.on { color: #2a2100; background: var(--xianyu); }
.xy-stage { display: grid; }
.xy-case { grid-area: 1 / 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; opacity: 0; visibility: hidden; transition: opacity .5s var(--ease), visibility 0s .5s; }
.xy-case.on { opacity: 1; visibility: visible; transition: opacity .5s var(--ease); }
.goods-pic.is-wood { background: linear-gradient(135deg, #f6e3c8, #d9a66b); color: #6b4214; }
.ship { border-radius: 14px; overflow: hidden; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); font-size: 12px; opacity: .35; transition: opacity .4s, box-shadow .4s; }
.ship.show { opacity: 1; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ok) 35%, transparent); }
.ship-h, .ship-r { display: grid; grid-template-columns: 1fr 1.1fr .9fr; gap: 6px; padding: 7px 12px; }
.ship-h { font-weight: 700; color: var(--text-3); background: var(--paper); }
.ship-r + .ship-r { border-top: 1px solid var(--line); }
.ship-r span:first-child { font-family: var(--mono); color: var(--text-2); }
.goods-pic.is-blue { background: linear-gradient(135deg, #dbe8ff, #8fb5ff); color: #1d4fb8; }
.ai-note { display: flex; align-items: center; gap: 7px; margin-top: auto; align-self: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #7a5b00; background: color-mix(in srgb, var(--xianyu) 18%, #fff); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--xianyu) 45%, transparent); }
.ai-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.chat { display: flex; flex-direction: column; gap: 10px; padding: 14px; border-radius: 16px; background: #f4f5f8; min-height: 330px; }
.goods { display: flex; gap: 10px; align-items: center; padding: 10px; border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); }
.goods-pic { width: 44px; height: 44px; border-radius: 10px; flex: none; background: linear-gradient(135deg, #fff1b8, #ffd24d); display: grid; place-items: center; color: #7a5b00; }
.goods-pic svg { width: 22px; height: 22px; }
.goods-t { font-size: 13px; font-weight: 600; line-height: 1.4; }
.goods-p { font: 700 15px var(--mono); color: #ff4d2d; }
.bub { max-width: 82%; padding: 9px 12px; border-radius: 14px; font-size: 13.5px; line-height: 1.55; opacity: 0; transform: translateY(8px) scale(.98); transition: opacity .4s var(--ease), transform .4s var(--ease-spring); }
.bub.show { opacity: 1; transform: none; }
.bub.buyer { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; box-shadow: var(--shadow-sm); }
.bub.ai { align-self: flex-end; background: var(--xianyu); color: #2a2100; border-bottom-right-radius: 4px; }
.bub .who { display: block; font-size: 11px; opacity: .6; margin-bottom: 2px; }
.typing { align-self: flex-end; display: none; gap: 4px; padding: 12px 14px; border-radius: 14px; background: color-mix(in srgb, var(--xianyu) 50%, #fff); }
.typing.show { display: flex; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #7a5b00; animation: tdot 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes tdot { 0%, 60%, 100% { transform: none; opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }
.floor { align-self: center; font-size: 11.5px; color: var(--text-3); padding: 3px 10px; border-radius: 999px; background: #fff; opacity: 0; transition: opacity .4s; }
.floor.show { opacity: 1; }
.floor b { color: #a07800; }
.orders { display: flex; flex-direction: column; gap: 10px; }
.ord-title { font-size: 12.5px; font-weight: 600; color: var(--text-3); letter-spacing: .04em; }
.ord {
  display: grid; grid-template-columns: 26px 1fr; gap: 10px; align-items: start; padding: 12px; border-radius: 14px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line);
  opacity: .35; transition: opacity .4s, box-shadow .4s;
}
.ord.show { opacity: 1; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ok) 35%, transparent); }
.ord .ok { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--paper); color: transparent; transition: background .3s, color .3s, transform .4s var(--ease-spring); }
.ord.show .ok { background: var(--ok); color: #fff; transform: scale(1.06); }
.ord .ok svg { width: 14px; height: 14px; }
.ord-t { font-size: 13.5px; font-weight: 600; line-height: 1.45; }
.ord-m { font: 500 11.5px var(--mono); color: var(--text-3); }
.alert-mini { margin-top: auto; padding: 12px; border-radius: 14px; background: var(--paper); font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.alert-mini b { color: var(--text); }

/* ================================================================
   示例画面：CAD
   ================================================================ */
.cad { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 12px; }
.cad-pane { position: relative; border-radius: 14px; background: #f7f8fb; box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; aspect-ratio: 4 / 3; }
.cad-pane .cap { position: absolute; left: 10px; top: 8px; z-index: 2; font-size: 11.5px; font-weight: 600; color: var(--text-3); }
.cad-pane.blue { background: #0d1a33; box-shadow: inset 0 0 0 1px #1d2b4a; }
.cad-pane.blue .cap { color: #7f93bd; }
.cad-pane svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sketch path, .sketch circle, .sketch line { fill: none; stroke: #8a8f9c; stroke-width: 2.2; stroke-linecap: round; }
.sketch .hand { font: 600 15px var(--font); fill: #8a8f9c; }
.vec .ln { fill: none; stroke: #7cc0ff; stroke-width: 1.8; stroke-dasharray: var(--len, 600); stroke-dashoffset: var(--len, 600); }
.vec.draw .ln { animation: draw 1.8s var(--ease) forwards; animation-delay: var(--dl, 0s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
.vec .dim { fill: none; stroke: #ffcf5c; stroke-width: 1; opacity: 0; transition: opacity .5s; }
.vec .dimt { font: 600 11px var(--mono); fill: #ffcf5c; opacity: 0; transition: opacity .5s; }
.vec.dims .dim, .vec.dims .dimt { opacity: 1; }
.cad-3d { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 12px; }
.cube-pane { aspect-ratio: auto; min-height: 160px; display: grid; place-items: center; perspective: 700px; background: radial-gradient(circle at 50% 40%, #16264a, #0b1426); box-shadow: inset 0 0 0 1px #1d2b4a; }
.cube { --t: 34px; position: relative; width: 120px; height: var(--t); transform-style: preserve-3d; animation: turn 9s linear infinite; transition: height .8s var(--ease-spring); }
.cube.thick { --t: 58px; }
.cube .f { position: absolute; border: 1.5px solid #7cc0ff; background: rgb(47 123 255 / .14); }
.cube .f.top, .cube .f.bot { width: 120px; height: 80px; left: 0; top: calc(var(--t) / 2 - 40px); }
.cube .f.top { transform: rotateX(90deg) translateZ(calc(var(--t) / 2)); background: rgb(124 192 255 / .22); }
.cube .f.bot { transform: rotateX(-90deg) translateZ(calc(var(--t) / 2)); }
.cube .f.fr, .cube .f.bk { width: 120px; height: var(--t); }
.cube .f.fr { transform: translateZ(40px); } .cube .f.bk { transform: rotateY(180deg) translateZ(40px); }
.cube .f.lf, .cube .f.rt { width: 80px; height: var(--t); left: 20px; }
.cube .f.lf { transform: rotateY(-90deg) translateZ(60px); } .cube .f.rt { transform: rotateY(90deg) translateZ(60px); }
.cube .f.top::after { content: ""; position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px; border-radius: 50%; border: 1.5px solid #7cc0ff; background: #0b1426; }
@keyframes turn { from { transform: rotateX(-24deg) rotateY(0deg); } to { transform: rotateX(-24deg) rotateY(360deg); } }
.cad-chat { display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.cad-chat .bub { max-width: 100%; font-size: 13px; }
.cad-chat .bub.me { align-self: flex-end; background: var(--ink-900); color: #fff; border-bottom-right-radius: 4px; }
.cad-chat .bub.bot { align-self: flex-start; background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); border-bottom-left-radius: 4px; }
.cad-chat .file { display: inline-flex; align-items: center; gap: 4px; margin: 4px 4px 0 0; padding: 2px 8px; border-radius: 6px; font: 600 11.5px var(--mono); color: var(--cad); background: color-mix(in srgb, var(--cad) 10%, #fff); }
.arrow-mid { position: absolute; left: 50%; top: 50%; z-index: 3; display: grid; place-items: center; width: 34px; height: 34px; margin: -17px; border-radius: 50%; background: #fff; box-shadow: var(--shadow); color: var(--cad); }
.arrow-mid svg { width: 16px; height: 16px; }
.cad-row { position: relative; grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ================================================================
   示例画面：搬砖
   ================================================================ */
.bz-steps { display: flex; gap: 6px; margin-bottom: 14px; overflow: hidden; }
.bz-step { flex: 1; min-width: 0; }
.bz-step .bar { height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.bz-step .bar i { display: block; height: 100%; width: 0; background: var(--c); border-radius: inherit; transition: width .9s var(--ease); }
.bz-step.done .bar i { width: 100%; }
.bz-step.wait .bar i { width: 100%; background: repeating-linear-gradient(90deg, var(--c) 0 8px, color-mix(in srgb, var(--c) 40%, #fff) 8px 16px); background-size: 32px 100%; animation: stripe 1s linear infinite; }
@keyframes stripe { to { background-position: 32px 0; } }
.bz-step span { display: block; margin-top: 6px; font-size: 11.5px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .3s; }
.bz-step.done span, .bz-step.wait span { color: var(--text); font-weight: 600; }
.bz { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 14px; }
.subs { display: flex; flex-direction: column; gap: 6px; }
.sub-row { display: flex; align-items: flex-start; gap: 8px; padding: 9px 11px; border-radius: 12px; font-size: 13px; line-height: 1.5; background: var(--paper); transition: background .4s, box-shadow .4s; }
.sub-row .t { font: 500 11px var(--mono); color: var(--text-3); padding-top: 2px; flex: none; }
.sub-row .tx { flex: 1; min-width: 0; }
.sub-row .tg { display: inline-block; margin-top: 4px; padding: 1px 7px; border-radius: 6px; font-size: 11px; font-weight: 600; opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .4s var(--ease); }
.sub-row.mark .tg { opacity: 1; transform: none; }
.sub-row.red.mark { background: #fff1f1; box-shadow: inset 0 0 0 1px #ffd2d2; }
.sub-row.red.mark .tx > span { text-decoration: line-through; text-decoration-color: var(--err); color: var(--text-3); }
.sub-row.red .tg { color: var(--err); background: #ffe1e1; }
.sub-row.yel.mark { background: #fff8e1; box-shadow: inset 0 0 0 1px #ffe7a3; }
.sub-row.yel .tg { color: #9a6b00; background: #ffefbf; }
.sub-row.fix .tg { color: var(--cad); background: color-mix(in srgb, var(--cad) 10%, #fff); }
.sub-row.fix.mark { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cad) 30%, transparent); background: #fff; }
.sub-row .new { color: var(--cad); font-weight: 700; }
.video { display: flex; flex-direction: column; gap: 10px; }
.screen { position: relative; aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; background: radial-gradient(circle at 50% 35%, #6b4a2c, #2a1a0e 70%); }
.screen .dish { position: absolute; left: 50%; top: 44%; width: 72%; transform: translate(-50%, -50%); filter: drop-shadow(0 18px 24px rgb(0 0 0 / .45)); animation: dish 12s ease-in-out infinite alternate; }
@keyframes dish { to { transform: translate(-50%, -50%) scale(1.08) rotate(6deg); } }
.screen .cap-sub { position: absolute; left: 0; right: 0; bottom: 12px; text-align: center; font-size: 13px; font-weight: 600; color: #fff; text-shadow: 0 1px 3px rgb(0 0 0 / .8); }
.screen .wm { position: absolute; right: 10px; top: 8px; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 600; color: rgb(255 255 255 / .85); background: rgb(0 0 0 / .3); }
.screen .ratio { position: absolute; left: 10px; top: 8px; padding: 2px 8px; border-radius: 6px; font: 600 11px var(--mono); color: #fff; background: rgb(16 176 106 / .8); }
.wave { display: flex; align-items: center; gap: 3px; height: 34px; padding: 0 12px; border-radius: 12px; background: var(--paper); }
.wave i { flex: 1; height: 30%; border-radius: 2px; background: var(--c); opacity: .75; animation: wave 1.1s ease-in-out infinite alternate; animation-delay: calc(var(--i) * -90ms); }
@keyframes wave { to { height: 90%; } }
.wave span { flex: none; margin-right: 6px; font-size: 11.5px; font-weight: 600; color: var(--text-2); }
.draft { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 12px; box-shadow: inset 0 0 0 1px var(--line); font-size: 12.5px; color: var(--text-2); opacity: .4; transition: opacity .4s, box-shadow .4s; }
.draft.show { opacity: 1; box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--ok) 45%, transparent); }
.draft b { color: var(--text); }
.draft .ok { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--ok); color: #fff; flex: none; }
.draft .ok svg { width: 12px; height: 12px; }

/* ---------------------------------------------------------------- 三步开始 */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { position: relative; padding: 30px 26px; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line); }
.step-n { display: flex; align-items: center; gap: 12px; font: 600 13px var(--mono); color: var(--text-3); }
.step-n i { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--ink-900); color: #fff; font-style: normal; }
.step h3 { margin: 20px 0 6px; font-size: 19px; }
.step p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
.step code { padding: 1px 6px; border-radius: 6px; font: 500 13px var(--mono); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); color: var(--text); }
.step:not(:last-child)::after { content: ""; position: absolute; right: -13px; top: 46px; z-index: 2; width: 10px; height: 10px; border-top: 2px solid var(--line-2); border-right: 2px solid var(--line-2); transform: rotate(45deg); }

/* ---------------------------------------------------------------- 下载中心 */
.dl { position: relative; overflow: hidden; isolation: isolate; background: var(--ink-950); color: var(--on-dark); }
.dl .aurora { opacity: .32; }
.dl .aurora.a1 { left: auto; right: -14vw; top: -12vw; }
.dl .aurora.a3 { left: -10vw; bottom: -20vw; }
.dl .kicker { color: var(--on-dark-3); }
.dl .lead { color: var(--on-dark-2); }
.dl-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.dl-card {
  position: relative; padding: clamp(24px, 3.4vw, 40px); border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgb(255 255 255 / .07), rgb(255 255 255 / .03)); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .1), 0 40px 100px -40px rgb(0 0 0 / .8);
  backdrop-filter: blur(20px);
}
.dl-card h3 { margin: 0; font-size: 22px; }
.dl-card > p { margin: 8px 0 0; color: var(--on-dark-2); font-size: 14.5px; }
.card-form { position: relative; display: flex; gap: 10px; margin-top: 24px; }
.card-field { position: relative; flex: 1; min-width: 0; }
.card-field svg { position: absolute; left: 18px; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); color: var(--on-dark-3); pointer-events: none; transition: color .3s; }
.card-input {
  width: 100%; height: 58px; padding: 0 18px 0 50px; border: 0; border-radius: 18px; outline: none;
  background: rgb(255 255 255 / .06); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .14); color: #fff;
  font: 600 17px var(--mono); letter-spacing: .06em; transition: box-shadow .3s, background .3s;
}
.card-input::placeholder { font-family: var(--font); font-weight: 400; letter-spacing: 0; color: var(--on-dark-3); }
.card-input:focus { background: rgb(255 255 255 / .09); box-shadow: inset 0 0 0 1.5px rgb(124 192 255 / .8), 0 0 0 5px rgb(47 123 255 / .18); }
.card-field:focus-within svg { color: #7cc0ff; }
.card-form .btn { height: 58px; border-radius: 18px; padding: 0 26px; }
.card-form.shake { animation: shake .45s var(--ease); }
@keyframes shake { 20% { transform: translateX(-8px); } 40% { transform: translateX(7px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(2px); } }
.form-msg { min-height: 24px; margin: 12px 2px 0; font-size: 14px; color: var(--on-dark-3); transition: color .3s; }
.form-msg.err { color: #ff8a8e; }
.form-msg.err::before { content: "! "; font-weight: 800; }
.result { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .6s var(--ease); }
.result.open { grid-template-rows: 1fr; }
.result > div { overflow: hidden; }
.found { --c: var(--cad); margin-top: 18px; padding: 20px; border-radius: 22px; background: rgb(255 255 255 / .96); color: var(--text); box-shadow: 0 30px 60px -30px rgb(0 0 0 / .7); opacity: 0; transform: translateY(12px) scale(.98); transition: opacity .5s var(--ease) .1s, transform .6s var(--ease-spring) .1s; }
.result.open .found { opacity: 1; transform: none; }
.found-head { display: flex; align-items: center; gap: 14px; }
.found-head h4 { margin: 0; font-size: 18px; line-height: 1.3; }
.found-head .meta { font: 500 12.5px var(--mono); color: var(--text-3); margin-top: 2px; }
.found-left { margin-left: auto; text-align: right; font-size: 12px; color: var(--text-3); line-height: 1.35; }
.found-left b { display: block; font: 700 22px var(--mono); color: var(--text); }
.found-left b small { font-size: 12px; color: var(--text-3); font-weight: 500; }
.found .btn { width: 100%; margin-top: 18px; }
.found .alt-dl { height: 44px; margin-top: 10px; font-size: 14px; font-weight: 500; color: var(--text-2); }
.started ol { margin: 6px 0 0; padding-left: 20px; }
.started li + li { margin-top: 2px; }
.found .fine { margin: 12px 0 0; font-size: 12.5px; color: var(--text-3); line-height: 1.7; }
.found .fine code { font: 500 12px var(--mono); color: var(--text-2); }
.started { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 16px; background: color-mix(in srgb, var(--ok) 9%, #fff); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ok) 25%, transparent); font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.started.show { display: block; animation: fadeUp .5s var(--ease) both; }
.started b { color: var(--text); }
.started .chk { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 6px; border-radius: 50%; background: var(--ok); color: #fff; vertical-align: -4px; }
.started .chk svg { width: 12px; height: 12px; stroke-dasharray: 24; stroke-dashoffset: 24; animation: draw .6s var(--ease) .15s forwards; }
.started a { color: var(--cad); text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.wx-tip { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 16px; background: rgb(255 195 0 / .12); box-shadow: inset 0 0 0 1px rgb(255 195 0 / .35); color: #ffe08a; font-size: 14px; line-height: 1.7; }
.is-wechat .wx-tip { display: block; }
.dl-side { display: flex; flex-direction: column; gap: 14px; }
.ver-list { border-radius: var(--radius-lg); background: rgb(255 255 255 / .04); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .09); overflow: hidden; }
.ver-list h4 { margin: 0; padding: 16px 20px; font-size: 14px; font-weight: 600; color: var(--on-dark-2); border-bottom: 1px solid rgb(255 255 255 / .07); display: flex; align-items: center; gap: 8px; }
.ver-list h4 .live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; color: var(--on-dark-3); }
.ver-list h4 .live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--banzhuan); animation: blink 2s infinite; }
.ver { display: flex; align-items: center; gap: 12px; padding: 14px 20px; font-size: 14px; }
.ver + .ver { border-top: 1px solid rgb(255 255 255 / .06); }
.ver .n { flex: 1; min-width: 0; color: var(--on-dark); }
.ver .v { font: 600 13px var(--mono); color: var(--on-dark); }
.ver .s { font: 500 12px var(--mono); color: var(--on-dark-3); min-width: 64px; text-align: right; }
.ver .skel { display: inline-block; width: 60px; height: 12px; border-radius: 6px; background: linear-gradient(90deg, rgb(255 255 255 / .06), rgb(255 255 255 / .14), rgb(255 255 255 / .06)); background-size: 200% 100%; animation: sk 1.4s linear infinite; }
@keyframes sk { to { background-position: -200% 0; } }
.side-note { padding: 18px 20px; border-radius: var(--radius-lg); background: rgb(255 255 255 / .04); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .09); font-size: 13.5px; color: var(--on-dark-2); line-height: 1.8; }
.side-note b { color: var(--on-dark); }
.side-note ul { margin: 8px 0 0; padding-left: 18px; }

/* ---------------------------------------------------------------- 常见问题 */
.faq { max-width: 860px; margin: 0 auto; }
.qa { border-bottom: 1px solid var(--line); }
.qa button { display: flex; align-items: center; gap: 16px; width: 100%; padding: 22px 4px; text-align: left; font-size: 17px; font-weight: 600; line-height: 1.5; }
.qa button .pm { position: relative; flex: none; width: 28px; height: 28px; margin-left: auto; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line-2); transition: background .3s, box-shadow .3s, transform .45s var(--ease); }
.qa button .pm::before, .qa button .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; margin: -.8px 0 0 -5.5px; border-radius: 2px; background: currentColor; transition: transform .45s var(--ease); }
.qa button .pm::after { transform: rotate(90deg); }
.qa.open button .pm { background: var(--ink-900); color: #fff; box-shadow: none; transform: rotate(180deg); }
.qa.open button .pm::after { transform: rotate(0deg); }
.qa button:hover .pm { box-shadow: inset 0 0 0 1px var(--text-3); }
.qa .ans { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease); }
.qa.open .ans { grid-template-rows: 1fr; }
.qa .ans > div { overflow: hidden; }
.qa .ans p { margin: 0; padding: 0 48px 24px 4px; color: var(--text-2); font-size: 15px; line-height: 1.85; opacity: 0; transform: translateY(-6px); transition: opacity .4s, transform .5s var(--ease); }
.qa.open .ans p { opacity: 1; transform: none; transition-delay: .08s; }

/* ---------------------------------------------------------------- 页脚 */
.footer { position: relative; padding: 56px 0 40px; background: var(--ink-950); color: var(--on-dark-3); font-size: 13.5px; }
.footer-grid { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 32px 64px; }
.footer .brand { color: var(--on-dark); }
.footer p { margin: 12px 0 0; max-width: 26em; line-height: 1.8; }
.footer-cols { display: flex; flex-wrap: wrap; gap: 32px 64px; margin-left: auto; }
.footer h5 { margin: 0 0 12px; font-size: 13px; font-weight: 600; color: var(--on-dark-2); }
.footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.footer a:hover { color: var(--on-dark); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 44px; padding-top: 22px; border-top: 1px solid rgb(255 255 255 / .06); font-size: 12.5px; }

/* 手机底部下载条 */
.mbar { display: none; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat-main { grid-column: 1 / -1; }
  .float-chip.c1 { left: 8px; } .float-chip.c2 { right: 8px; }
}
@media (max-width: 920px) {
  .fits { grid-template-columns: repeat(2, 1fr); }
  .proc { grid-template-columns: 1fr; gap: 0; max-width: 520px; margin: 0 auto; }
  .proc::before { left: 21px; right: auto; top: 22px; bottom: 22px; width: 2px; height: auto; background: linear-gradient(var(--reach), var(--xianyu), var(--cad), var(--banzhuan)); }
  .proc li { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; padding-bottom: 22px; text-align: left; }
  .proc i { grid-row: span 2; margin: 0; }
  .proc h3 { margin: 10px 0 4px; }
  .contact { grid-template-columns: 1fr; }
  .hero-grid, .p-top, .product:nth-of-type(even) .p-top, .dl-grid { grid-template-columns: 1fr; }
  .product:nth-of-type(even) .p-copy { order: 0; }
  .gains { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { right: auto; left: 42px; top: auto; bottom: -13px; transform: rotate(135deg); }
  .console { max-width: 620px; }
}
@media (max-width: 760px) {
  :root { --nav-h: 60px; --sheet: 24px; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: block; }
  .nav.is-open { background: rgb(246 247 250 / .97); color: var(--text); backdrop-filter: blur(18px); }
  .nav.is-open .nav-links {
    display: flex; position: absolute; left: 0; right: 0; top: var(--nav-h); flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 20px; background: rgb(246 247 250 / .97); box-shadow: 0 20px 40px -20px rgb(0 0 0 / .3);
  }
  .nav.is-open .nav-links a { padding: 14px 4px; font-size: 16px; opacity: 1; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-pill { display: none; }
  .console-grid { grid-template-columns: 1fr; }
  .tile { min-height: 0; }
  .ticker { height: 54px; }
  .float-chip { display: none; }
  .pillars, .gains { grid-template-columns: 1fr; }
  .flow { flex-wrap: wrap; justify-content: flex-start; row-gap: 40px; }
  .flow::before, .flow::after { display: none; }
  .flow li { flex: 0 0 calc(33.33% - 6px); }
  .flow li.me::after { top: -24px; }
  .xy-case, .bz, .cad-3d, .cad-row { grid-template-columns: 1fr; }
  .mock-body { padding: 14px; min-height: 0; }
  .card-form { flex-direction: column; }
  .card-form .btn { width: 100%; }
  .qa button { font-size: 16px; }
  .qa .ans p { padding-right: 4px; }
  .footer-cols { margin-left: 0; }
  .mbar { position: fixed; z-index: 40; left: 12px; right: 12px; bottom: 12px; display: flex; transform: translateY(140%); transition: transform .5s var(--ease); }
  .mbar.show { transform: none; }
  .footer { padding-bottom: 96px; }
  .mbar .btn { width: 100%; height: 52px; box-shadow: 0 16px 40px -12px rgb(0 0 0 / .5); }
  .hero-picks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .vs { padding: 4px 16px 0; }
  .vs-head { flex-wrap: wrap; row-gap: 4px; }
  .vs-head small { margin-left: 46px; width: 100%; }
  .vs-cols { display: none; }
  .vs-row { grid-template-columns: 1fr; gap: 6px; }
  .vs-row p small { display: inline-block; margin-right: 8px; font-size: 11.5px; font-weight: 700; color: var(--text-3); }
  .vs-new small { color: var(--reach) !important; }
  .fits { gap: 10px; }
  .fit { padding: 18px 16px 16px; }
  .contact { padding: 28px 20px; border-radius: var(--radius-lg); }
  .pick { padding-right: 10px; font-size: 13.5px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 18px 16px 18px; }
  .stat .pmark { margin-bottom: 12px; }
  .p-stats > div { padding: 12px; }
  .p-stats b { font-size: 20px; }
}
@media (max-width: 420px) {
  .ptab { padding: 0 12px 0 6px; font-size: 13px; }
  .found-head { flex-wrap: wrap; }
  .found-left { margin-left: 0; text-align: left; width: 100%; }
}
@media (hover: none) {
  .console { transform: none !important; }
}

/* 产品色放最后：盖过 .product、.found、.tile 里的默认色 */
.is-reach { --c: var(--reach); }
.is-xianyu { --c: var(--xianyu); }
.is-cad { --c: var(--cad); }
.is-banzhuan { --c: var(--banzhuan); }
.is-xianyu.pmark { color: #2a2100; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .hero h1 .ch, .fade-up { opacity: 1; transform: none; filter: none; }
  [data-reveal] { opacity: 1; transform: none; }
  .cube { animation: none; transform: rotateX(-24deg) rotateY(-35deg); }
}