/* =========================================================
   腾讯地图LBSwork · 官网落地页
   设计方向：Cartographic Calm —— 冷调纸面 + 墨蓝文字 + 信号蓝强调，
   路线青 / 热力橙仅用于数据表达。签名元素：「地图 → 决策」路线。
   ========================================================= */

@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #0B1526;
  --ink-2: #3E4A5C;
  /* 次级/辅助文字：按 WCAG AA 4.5:1 反推，纸底与白底均达标 */
  --ink-3: #616D80;
  --ink-4: #6B7787;
  --paper: #F5F7FA;
  --surface: #FFFFFF;
  --line: #E2E7EE;
  --line-2: #EDF0F5;
  --blue: #2B66F6;
  --blue-600: #1E54DD;
  --blue-50: #EDF2FF;
  --teal: #10A87E;
  --teal-50: #E6F6F0;
  --amber: #F2853A;
  --amber-50: #FFF2E8;
  --red: #E5484D;

  --f-sans: "Geist", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, "PingFang SC", monospace;

  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --r-lg: 28px;
  --wrap: 1240px;
  --nav-h: 68px;
  --shadow-win: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 28px 64px -28px rgba(16, 38, 90, .30), 0 10px 24px -14px rgba(16, 38, 90, .16);
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth; -webkit-text-size-adjust: 100%;
  /* 锚点跳转时为吸顶导航留出安全区（顶级站标配，避免标题被压在导航下） */
  scroll-padding-top: calc(var(--nav-h) + 16px);
}
h1, h2, h3, h4 { text-wrap: balance; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img, svg { display: block; }
code, kbd { font-family: var(--f-mono); }
::selection { background: rgba(43, 102, 246, .16); }

.ic { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic-muted { color: var(--ink-4); }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; font-size: 14px;
  transition: top .2s;
}
.skip:focus { top: 12px; }

/* 品牌化焦点环：环形描边 + 品牌色柔光，任何背景上都可见（不使用浏览器默认蓝） */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 10px;
  box-shadow: 0 0 0 5px rgba(43, 102, 246, .18);
}

.wrap { width: 100%; max-width: calc(var(--wrap) + 64px); margin: 0 auto; padding: 0 32px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: 12px;
  font-size: 14.5px; font-weight: 600; letter-spacing: .01em; white-space: nowrap;
  transition: transform .25s var(--ease), background-color .2s, box-shadow .25s var(--ease), color .2s, border-color .2s;
}
.btn .ic { width: 16px; height: 16px; stroke-width: 2.1; transition: transform .25s var(--ease); }
.btn:hover .ic { transform: translateX(3px); }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13.5px; border-radius: 10px; }
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #3A74FF 0%, var(--blue) 55%, #2459E6 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 0 0 1px rgba(30, 84, 221, .9), 0 8px 20px -8px rgba(43, 102, 246, .6);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 0 0 1px rgba(30, 84, 221, .9), 0 14px 28px -10px rgba(43, 102, 246, .7); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  color: var(--ink); background: rgba(255, 255, 255, .72);
  box-shadow: 0 0 0 1px var(--line), 0 1px 2px rgba(15, 23, 42, .04);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: #fff; box-shadow: 0 0 0 1px #D3DAE4, 0 6px 16px -8px rgba(15, 23, 42, .18); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color .3s, box-shadow .3s, backdrop-filter .3s;
}
.nav.is-scrolled {
  background: rgba(245, 247, 250, .78);
  backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, .06);
}
/* 阅读进度条：跟随滚动的 2px 品牌渐变（顶级站常见的低成本高质感细节） */
.nav-progress {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px; overflow: hidden;
  opacity: 0; transition: opacity .3s var(--ease);
}
.nav.is-scrolled .nav-progress { opacity: 1; }
.nav-progress i {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, #3B7BFF 0%, #14B78C 100%);
  transform: scaleX(0); transform-origin: 0 50%;
  will-change: transform;
}
.nav-inner {
  max-width: calc(var(--wrap) + 64px); margin: 0 auto; padding: 0 32px;
  height: var(--nav-h); display: flex; align-items: center; gap: 40px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: -.01em; }
.brand-mark { width: 28px; height: 28px; }
.brand-name b { font-weight: 650; margin-left: 1px; }
.nav-links { position: relative; display: flex; gap: 4px; }
/* 当前区块指示块：跟随滚动在导航上滑动（比静态小圆点更有「活」感） */
.nav-ind {
  position: absolute; top: 50%; left: 0; height: 32px; margin-top: -16px; width: 0;
  border-radius: 9px; background: rgba(15, 23, 42, .06);
  opacity: 0; pointer-events: none;
  transition: transform .34s var(--ease), width .34s var(--ease), opacity .25s var(--ease);
}
.nav-ind.is-on { opacity: 1; }
.nav-links a {
  position: relative; padding: 6px 12px; font-size: 14.5px; color: var(--ink-2); border-radius: 8px;
  transition: color .2s, background-color .2s;
}
.nav-links a:hover { color: var(--ink); background: rgba(15, 23, 42, .04); }
.nav-links a.is-active { color: var(--ink); font-weight: 600; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
/* 三个产品跳链：位置服务 / 位置大数据 / 盖亚时空智能 */
.nav-ext { position: relative; display: flex; align-items: center; gap: 16px; padding-right: 18px; }
.nav-ext::after {
  content: ""; position: absolute; right: 0; top: 50%; width: 1px; height: 14px;
  background: var(--line); transform: translateY(-50%);
}
.nav-ext a {
  display: inline-flex; align-items: center; gap: 3px; white-space: nowrap;
  font-size: 13.5px; color: var(--ink-2); transition: color .2s;
}
.nav-ext a .ic { width: 11px; height: 11px; opacity: .45; transition: opacity .2s; }
.nav-ext a:hover { color: var(--blue-600); }
.nav-ext a:hover .ic { opacity: 1; }

/* ---------- 移动端菜单按钮 ---------- */
.nav-toggle {
  display: none;
  width: 44px; height: 44px; margin-right: -10px;
  align-items: center; justify-content: center;
  border-radius: 12px; color: var(--ink);
  transition: background-color .2s;
}
.nav-toggle:hover { background: rgba(15, 23, 42, .05); }
.burger { display: grid; gap: 5px; width: 20px; }
.burger i {
  display: block; height: 1.7px; border-radius: 2px; background: currentColor;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav.is-open .burger i:nth-child(1) { transform: translateY(6.7px) rotate(45deg); }
.nav.is-open .burger i:nth-child(2) { opacity: 0; transform: scaleX(.4); }
.nav.is-open .burger i:nth-child(3) { transform: translateY(-6.7px) rotate(-45deg); }
.nav-backdrop {
  display: none; position: fixed; inset: var(--nav-h) 0 0 0; z-index: 48;
  background: rgba(11, 21, 38, .28); backdrop-filter: blur(2px);
  opacity: 0; transition: opacity .28s var(--ease);
}
.nav-drawer-actions { display: none; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 45;
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 14px; color: var(--ink);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 0 0 1px var(--line), 0 10px 24px -14px rgba(15, 23, 42, .5);
  opacity: 0; visibility: hidden; transform: translateY(10px) scale(.94);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s, background-color .2s;
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: #fff; color: var(--blue); }
.to-top .ic { width: 18px; height: 18px; stroke-width: 2.1; }
@media (max-width: 680px) { .to-top { right: 14px; bottom: 14px; } }

/* =========================================================
   HERO
   ========================================================= */
.hero { position: relative; padding: 148px 0 40px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-contours {
  position: absolute; inset: 0; width: 100%; height: 100%;
  -webkit-mask-image: radial-gradient(ellipse 70% 58% at 50% 30%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 58% at 50% 30%, #000 20%, transparent 78%);
}
.contour-lines .c { stroke: rgba(43, 102, 246, .10); stroke-width: 1; vector-effect: non-scaling-stroke; }
.contour-lines .c-index { stroke: rgba(43, 102, 246, .2); stroke-width: 1.15; vector-effect: non-scaling-stroke; }
.hero-glow {
  position: absolute; left: 50%; top: 600px; width: min(1300px, 120vw); height: 760px; transform: translateX(-50%);
  background:
    radial-gradient(closest-side at 38% 50%, rgba(59, 123, 255, .20), transparent 70%),
    radial-gradient(closest-side at 66% 56%, rgba(20, 183, 140, .14), transparent 70%);
  filter: blur(20px);
}

.hud {
  position: absolute; top: 96px; z-index: 3;
  display: flex; align-items: center; gap: 16px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .04em; color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.hud b { font-weight: 500; color: var(--ink-2); }
.hud-l { left: 32px; }
.hud-r { right: 32px; }
.hud-cross { position: relative; width: 11px; height: 11px; }
.hud-cross::before, .hud-cross::after { content: ""; position: absolute; background: var(--blue); }
.hud-cross::before { left: 5px; top: 0; width: 1px; height: 11px; }
.hud-cross::after { top: 5px; left: 0; height: 1px; width: 11px; }
.hud-scale { display: inline-flex; align-items: center; gap: 6px; }
.hud-scale i { width: 40px; height: 5px; border: 1px solid var(--ink-3); border-top: 0; }

.hero-inner { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; padding: 0 24px; text-align: center; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 9px;
  height: 34px; padding: 0 12px 0 12px; border-radius: 99px;
  font-size: 13.5px; color: var(--ink-2);
  background: rgba(255, 255, 255, .72); box-shadow: 0 0 0 1px var(--line), 0 2px 8px -4px rgba(15, 23, 42, .12);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: box-shadow .25s, transform .25s var(--ease);
}
.hero-pill:hover { box-shadow: 0 0 0 1px #CDD6E2, 0 8px 18px -10px rgba(15, 23, 42, .25); }
.hero-pill .sep { width: 1px; height: 12px; background: var(--line); }
.hero-pill .muted { color: var(--blue); font-weight: 600; }
.hero-pill .ic { width: 14px; height: 14px; color: var(--ink-3); transition: transform .25s var(--ease); }
.hero-pill:hover .ic { transform: translateX(2px); }
.pulse-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.pulse-dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1.5px solid var(--teal);
  animation: ping 2.2s var(--ease) infinite;
}
@keyframes ping { 0% { transform: scale(.5); opacity: .9; } 80%, 100% { transform: scale(1.7); opacity: 0; } }

.hero-title {
  margin-top: 26px;
  font-size: clamp(46px, 7.4vw, 96px);
  line-height: 1.02; font-weight: 650; letter-spacing: -.035em;
}
.hero-title .latin { letter-spacing: -.045em; margin-left: .04em; }

.hero-sub {
  position: relative; display: inline-block;
  margin-top: 22px; padding: 0 6px 34px;
  font-size: clamp(22px, 2.7vw, 34px); line-height: 1.3; font-weight: 500; letter-spacing: -.01em;
}
.hero-sub .w-b { color: var(--blue); }
.route-svg { position: absolute; left: 0; top: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.route-trail { fill: none; stroke: rgba(43, 102, 246, .22); stroke-width: 3; stroke-linecap: round; }
.route-flow { fill: none; stroke: var(--blue); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 1 9; opacity: 0; }
.route-start { fill: #fff; stroke: var(--blue); stroke-width: 2.5; opacity: 0; }
.route-pin { opacity: 0; }
.route-pin path { fill: var(--blue); filter: drop-shadow(0 4px 6px rgba(43, 102, 246, .35)); }

.is-ready .route-start { animation: fadeIn .4s .9s var(--ease) forwards; }
.is-ready .route-trail { animation: draw 1.3s 1s var(--ease-io) forwards; }
.is-ready .route-flow { animation: fadeIn .4s 2.2s forwards, flow 1.1s 2.2s linear infinite; }
.is-ready .route-pin { animation: pinDrop .6s 2.05s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
@keyframes flow { to { stroke-dashoffset: -20; } }
@keyframes pinDrop { 0% { opacity: 0; transform: var(--pin-t) translateY(-14px); } 100% { opacity: 1; transform: var(--pin-t) translateY(0); } }

.hero-desc { max-width: 700px; margin: 10px auto 0; font-size: 17px; line-height: 1.85; color: var(--ink-2); }
.hero-cta { margin-top: 36px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.hero-note { display: block; margin-top: 14px; font-size: 13px; color: var(--ink-3); letter-spacing: .02em; }

/* 首屏文案进场：只做位移、不做透明度渐隐。
   文字在第一帧就已着色渲染（LCP ≈ FCP，此前 opacity:0 会把 LCP 推到 2.6s），
   代价只是少了淡入，换来首屏「立刻就有内容」的顶级站观感。 */
[data-load] { transform: translateY(14px); }
.is-ready [data-load] { animation: rise .9s var(--ease) forwards; }
.is-ready [data-load="2"] { animation-delay: .08s; }
.is-ready [data-load="3"] { animation-delay: .16s; }
.is-ready [data-load="4"] { animation-delay: .24s; }
.is-ready [data-load="5"] { animation-delay: .32s; }
@keyframes rise { to { transform: none; } }

/* 画面（非 LCP 文本）保留淡入，both 让 delay 期间也保持起始态，避免闪一下 */
[data-load="6"] { opacity: 0; }
.is-ready [data-load="6"] { animation: rise-in 1.2s var(--ease) .44s both; }
@keyframes rise-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero-stage { position: relative; z-index: 2; margin-top: 68px; padding: 0 32px; perspective: 2200px; }
.hero-tilt {
  max-width: 1240px; margin: 0 auto;
  transform-origin: 50% 0;
  transform: rotateX(calc(var(--tilt, 14deg) + var(--py, 0deg))) rotateY(var(--px, 0deg)) scale(var(--ts, .94));
  will-change: transform;
}

/* fit：固定设计尺寸，整体缩放 */
.fit { position: relative; width: 100%; }
/* 界面示意为「截图」，不参与文本选择，交互手感更接近真实客户端 */
.app, .stage { -webkit-user-select: none; user-select: none; }
.fit-inner { position: absolute; left: 0; top: 0; transform-origin: 0 0; }

/* ---------- 客户端首页 ---------- */
.app {
  width: 1240px; height: 760px; border-radius: 18px; overflow: hidden;
  display: grid; grid-template-columns: 252px 1fr;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .08), 0 60px 120px -40px rgba(16, 38, 90, .35), 0 24px 48px -24px rgba(16, 38, 90, .18);
  font-size: 14px;
}
.app-side { position: relative; background: #F6F8FB; border-right: 1px solid var(--line-2); padding: 16px 14px; display: flex; flex-direction: column; }
.side-top { display: flex; align-items: center; justify-content: space-between; height: 20px; padding: 0 4px; }
.side-top .ic { width: 17px; height: 17px; }
.win-dots { display: inline-flex; gap: 7px; }
.win-dots i { width: 11px; height: 11px; border-radius: 50%; background: #E1E5EB; box-shadow: inset 0 0 0 .5px rgba(15, 23, 42, .08); }
.side-brand { display: flex; align-items: center; gap: 9px; margin: 22px 6px 18px; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.side-brand b { font-weight: 650; }
.side-logo { width: 26px; height: 26px; }
.side-nav { display: grid; gap: 2px; }
.side-nav li {
  display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 10px; border-radius: 10px;
  color: var(--ink-2); font-size: 14px;
}
.side-nav li .ic { width: 17px; height: 17px; color: var(--ink-3); }
.side-nav li.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 0 0 1px var(--line-2), 0 1px 3px rgba(15, 23, 42, .05); }
.side-nav li.on .ic { color: var(--blue); stroke-width: 2.2; }
.side-nav kbd { margin-left: auto; font-size: 11px; color: var(--ink-4); font-weight: 400; }
.side-badge { margin-left: auto; font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); background: #E9EDF3; padding: 0 6px; border-radius: 6px; line-height: 18px; }
.side-label { margin: 24px 10px 8px; font-size: 12px; color: var(--ink-3); letter-spacing: .02em; }
.side-recent { display: grid; gap: 1px; }
.side-recent li { display: flex; align-items: center; gap: 10px; height: 32px; padding: 0 10px; border-radius: 8px; font-size: 13.5px; color: var(--ink-2); white-space: nowrap; }
.side-recent li i { width: 6px; height: 6px; border-radius: 2px; background: var(--c); flex: none; }
.side-foot { margin-top: auto; display: grid; gap: 12px; }
.quota { padding: 12px; border-radius: 12px; background: #fff; box-shadow: 0 0 0 1px var(--line-2); }
.quota-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); }
.quota-row b { font-family: var(--f-mono); color: var(--ink); font-weight: 500; }
.quota-bar { margin-top: 8px; height: 5px; border-radius: 3px; background: #EDF0F5; overflow: hidden; }
.quota-bar i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--blue), var(--teal)); }
.me { display: flex; align-items: center; gap: 10px; padding: 4px 6px; }
.me-ava { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #DCE6FF, #D3F1E6); display: grid; place-items: center; font-weight: 650; font-size: 13px; color: var(--blue-600); }
.me-txt { display: grid; line-height: 1.3; }
.me-txt b { font-size: 13px; font-weight: 600; }
.me-txt em { font-style: normal; font-size: 11px; color: var(--ink-3); }
.me .ic { margin-left: auto; width: 17px; height: 17px; }

.app-main { position: relative; display: flex; flex-direction: column; overflow: hidden; background: #fff; }
.main-top { position: relative; z-index: 2; height: 52px; display: flex; align-items: center; padding: 0 22px; }
.crumb { font-size: 13.5px; color: var(--ink-3); }
.main-top-r { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.main-top-r .ic { width: 18px; height: 18px; }
.kb-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: 8px; font-size: 12.5px; color: var(--ink-2); background: #F4F6F9; }
.kb-chip .ic { width: 14px; height: 14px; color: var(--teal); }
.main-map {
  position: absolute; left: 0; right: 0; bottom: 0; height: 300px; opacity: .9;
  -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, .55) 45%, transparent 100%);
  mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, .55) 45%, transparent 100%);
}
.main-map svg { width: 100%; height: 100%; }
.mm-pins circle { fill: var(--blue); stroke: #fff; stroke-width: 2.5; opacity: .5; }
.main-center { position: relative; z-index: 2; width: 930px; margin: 68px auto 0; display: flex; flex-direction: column; align-items: center; }
.greet-logo { width: 52px; height: 52px; filter: drop-shadow(0 10px 20px rgba(43, 102, 246, .3)); }
.greet { margin-top: 22px; font-size: 30px; font-weight: 600; letter-spacing: -.02em; }
.greet b { font-weight: 650; }
.greet-sub { margin-top: 8px; font-size: 15px; color: var(--ink-3); }
.composer {
  margin-top: 34px; width: 100%; border-radius: 20px; background: #fff;
  box-shadow: 0 0 0 1px var(--line), 0 18px 40px -22px rgba(16, 38, 90, .28), 0 2px 6px rgba(15, 23, 42, .04);
  padding: 18px 18px 14px;
}
.composer-text { min-height: 54px; font-size: 16px; line-height: 1.7; color: var(--ink); text-align: left; }
.caret { display: inline-block; width: 2px; height: 20px; margin-left: 2px; vertical-align: -4px; background: var(--blue); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.composer-bar { margin-top: 14px; display: flex; align-items: center; justify-content: space-between; }
.cb-l, .cb-r { display: flex; align-items: center; gap: 6px; }
.cb-btn { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; color: var(--ink-3); }
.cb-btn .ic { width: 18px; height: 18px; }
.cb-chip { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 10px; border-radius: 9px; background: var(--teal-50); color: #0B7F60; font-size: 12.5px; }
.cb-chip .ic { width: 14px; height: 14px; }
.cb-expert { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 10px; border-radius: 9px; font-size: 13px; color: var(--ink-2); box-shadow: 0 0 0 1px var(--line-2); transition: color .3s; }
.cb-expert .ic { width: 14px; height: 14px; color: var(--ink-3); }
.cb-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cb, var(--ink-4)); transition: background-color .3s; }
.cb-send { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--blue); box-shadow: 0 6px 14px -6px rgba(43, 102, 246, .7); margin-left: 4px; }
.cb-send .ic { width: 18px; height: 18px; stroke-width: 2.3; }
.caps { width: 100%; margin-top: 22px; display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; }
.cap {
  display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 12px; border-radius: 99px;
  font-size: 13px; color: var(--ink-2); background: #fff; box-shadow: 0 0 0 1px var(--line); white-space: nowrap;
  transition: box-shadow .3s, color .3s, background-color .3s, transform .3s var(--ease);
  cursor: pointer; -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.cap:hover { color: var(--ink); box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--c) 40%, transparent), 0 6px 14px -10px var(--c); }
.cap .ic { width: 15px; height: 15px; color: var(--c); }
.cap em { font-style: normal; font-size: 9.5px; color: #B9601E; background: var(--amber-50); padding: 1px 5px; border-radius: 5px; }
.cap.is-on { color: var(--ink); background: color-mix(in srgb, var(--c) 7%, #fff); box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--c) 55%, transparent), 0 6px 16px -10px var(--c); transform: translateY(-1px); }
/* 未上线的场景：语义与视觉都必须是「不可用」，而不是看起来能点 */
.cap:disabled, .tab:disabled {
  cursor: not-allowed; color: var(--ink-4); opacity: .62;
  box-shadow: 0 0 0 1px var(--line-2), none;
}
.cap:disabled .ic, .tab:disabled .ic { color: var(--ink-4); }
.caps-hint {
  margin-top: 14px; font-size: 11.5px; color: var(--ink-4);
  display: inline-flex; align-items: center; gap: 6px;
  transition: opacity .3s var(--ease);
}
.caps-hint .hd { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); animation: hdpulse 1.8s infinite; }
.caps-hint.is-off { opacity: 0; }
@keyframes hdpulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* =========================================================
   Sections
   ========================================================= */
.sec { position: relative; padding: 150px 0; }
.sec-head { margin-bottom: 52px; }
.sec-head.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); align-items: end; gap: 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-600); font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  box-shadow: 0 0 0 4px rgba(43, 102, 246, .14);
}
.sec h2 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.14; font-weight: 650; letter-spacing: -.03em; }
.sec-sub { font-size: 17px; line-height: 1.85; color: var(--ink-2); }

[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* 专家面板切换：display 变化时动画会重新播放，切换不再「硬跳」 */
.panels .panel:not([hidden]) { animation: panelIn .5s var(--ease) both; }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- Scenes ---------- */
.scenes { background: linear-gradient(180deg, var(--paper) 0%, #fff 22%, #fff 100%); }
.tabs-wrap { margin-bottom: 26px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; margin-left: -4px; padding: 4px; }
.tabs-wrap::-webkit-scrollbar { display: none; }
.tabs { position: relative; display: inline-flex; gap: 2px; padding: 5px; border-radius: 16px; background: #EEF1F5; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .03); }
.tab {
  position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 18px; border-radius: 12px; white-space: nowrap;
  font-size: 15px; color: var(--ink-2); transition: color .25s;
}
.tab .ic { width: 17px; height: 17px; color: var(--c); opacity: .75; transition: opacity .25s; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); font-weight: 600; }
.tab[aria-selected="true"] .ic { opacity: 1; stroke-width: 2.1; }
.tab em { font-style: normal; font-weight: 500; font-size: 10.5px; line-height: 1; color: #B9601E; background: var(--amber-50); padding: 4px 6px; border-radius: 6px; }
.tab-ind {
  position: absolute; z-index: 0; top: 5px; left: 0; height: 44px; width: 0; border-radius: 12px; background: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 6px 16px -6px rgba(15, 23, 42, .14);
  transition: transform .5s var(--ease), width .5s var(--ease);
}

.panel {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr);
  border-radius: var(--r-lg); overflow: hidden; background: #fff;
  box-shadow: 0 0 0 1px var(--line), 0 30px 60px -40px rgba(16, 38, 90, .2);
}
.panel[hidden] { display: none; }
.panel-copy { display: flex; flex-direction: column; min-width: 0; padding: 44px 36px 34px 42px; }
.expert { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; }
.expert b { font-weight: 600; }
.expert-ava { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--c-soft); color: var(--c); }
.expert-ava .ic { width: 17px; height: 17px; stroke-width: 2; }
.state { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 3px 9px; border-radius: 99px; }
.state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.state.ok { color: #0B8A66; background: var(--teal-50); }
.state.soon { color: #B9601E; background: var(--amber-50); }
.panel-copy h3 { margin-top: 24px; font-size: 28px; line-height: 1.42; font-weight: 600; letter-spacing: -.02em; }
.panel-copy h3 .k { display: block; color: var(--c); }
.panel-copy .desc { margin-top: 16px; font-size: 15px; line-height: 1.78; color: var(--ink-2); }
.cases { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.case {
  position: relative; height: 32px; padding: 0 13px; border-radius: 99px;
  font-size: 13px; color: var(--ink-2); background: #fff; box-shadow: 0 0 0 1px var(--line);
  transition: box-shadow .2s, color .2s, background-color .2s;
}
.case:hover { color: var(--ink); box-shadow: 0 0 0 1px #CBD3DE; }
.case.on { color: var(--c); background: var(--c-soft); box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 45%, transparent); font-weight: 600; }
.case .feat { position: absolute; top: -2px; right: -2px; width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 2px #fff; }
.chips-mini { margin-top: 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 12.5px; color: var(--ink-3); }
.chips-mini em { font-style: normal; margin-right: 2px; }
.chips-mini span { padding: 2px 8px; border-radius: 6px; background: #F3F5F8; color: var(--ink-2); }
.tryit { margin-top: auto; padding-top: 22px; }
.tryit-head { display: flex; align-items: center; gap: 10px; }
.tryit-tag { font-size: 11.5px; font-weight: 600; letter-spacing: .04em; color: #fff; background: var(--ink); padding: 3px 8px; border-radius: 6px; }
.tryit-name { font-size: 14px; font-weight: 600; }
.tryit-intro { margin: 9px 0 11px; font-size: 13px; line-height: 1.68; color: var(--ink-3); }
.prompt {
  display: flex; align-items: center; gap: 10px; padding: 12px 10px 12px 14px; border-radius: 13px;
  background: linear-gradient(180deg, #FAFBFD, #F5F7FA); box-shadow: 0 0 0 1px var(--line-2);
}
.prompt-q { flex: 1; font-size: 14px; line-height: 1.65; color: var(--ink); }
.prompt-q::before { content: "“"; color: var(--c); font-weight: 700; margin-right: 1px; }
.prompt-q::after { content: "”"; color: var(--c); font-weight: 700; margin-left: 1px; }
/* 内测期没有客户端可用，下一跳统一为「去申请内测」 */
.go-apply {
  flex: none; display: inline-flex; align-items: center; gap: 4px; height: 30px; padding: 0 10px 0 12px; border-radius: 9px;
  font-size: 12.5px; font-weight: 600; color: #fff; white-space: nowrap;
  background: linear-gradient(180deg, #3A74FF, var(--blue));
  box-shadow: 0 0 0 1px rgba(30, 84, 221, .9), 0 5px 12px -6px rgba(43, 102, 246, .8);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.go-apply .ic { width: 13px; height: 13px; stroke-width: 2.2; transition: transform .25s var(--ease); }
.go-apply:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(30, 84, 221, .9), 0 10px 18px -8px rgba(43, 102, 246, .9); }
.go-apply:hover .ic { transform: translateX(2px); }
.building {
  margin-top: 26px; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 14px;
  background: var(--amber-50); box-shadow: inset 0 0 0 1px rgba(242, 133, 58, .25);
}
.building b { font-size: 15px; color: #9A4A12; font-weight: 600; }
.building em { margin-left: auto; font-style: normal; font-size: 12.5px; color: #B9601E; }
.b-dot { position: relative; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); flex: none; }
.b-dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1.5px solid var(--amber); animation: ping 2s var(--ease) infinite; }
.prompt.quote { background: #fff; }

.panel-visual {
  position: relative; display: flex; align-items: center; justify-content: center; padding: 34px 30px;
  background:
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, .07) 1px, transparent 0) 0 0 / 18px 18px,
    linear-gradient(155deg, var(--c-soft) 0%, #F4F6FA 62%, #F4F6FA 100%);
  overflow: hidden;
}
.panel-visual::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 70% 30%, rgba(255, 255, 255, .7), transparent 70%);
}
.panel-visual > .fit { max-width: 920px; }
.footnote { margin-top: 18px; font-size: 12.5px; color: var(--ink-4); }

/* ---------- Stage（场景成果画面，设计尺寸 760×560） ---------- */
.stage { width: 760px; height: 560px; font-size: 11.5px; line-height: 1.5; color: var(--ink); }
.stage .ic { width: 14px; height: 14px; }
.stage-cap {
  position: absolute; left: 0; top: 0; height: 28px; padding: 0 12px; border-radius: 99px;
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2);
  background: rgba(255, 255, 255, .85); box-shadow: 0 0 0 1px rgba(15, 23, 42, .06);
}
.stage-cap i { width: 6px; height: 6px; border-radius: 50%; background: var(--c); }
.stage-cap.soon { color: #9A4A12; background: rgba(255, 242, 232, .92); box-shadow: 0 0 0 1px rgba(242, 133, 58, .25); }
.stage-cap.soon i { background: var(--amber); }
.win {
  position: absolute; left: 0; top: 40px; width: 660px; height: 476px;
  border-radius: 14px; overflow: hidden; background: #fff;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .08), 0 34px 70px -34px rgba(16, 38, 90, .38), 0 12px 28px -16px rgba(16, 38, 90, .16);
}
.win-top { height: 40px; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid var(--line-2); }
.win-top .win-dots i { width: 9px; height: 9px; }
.win-title { margin-left: 6px; font-size: 12.5px; font-weight: 600; }
.win-expert { display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 8px 0 6px; border-radius: 99px; font-size: 11px; color: var(--c); background: color-mix(in srgb, var(--c) 10%, #fff); }
.win-expert .ic { width: 12px; height: 12px; stroke-width: 2; }
.win-act { margin-left: auto; display: inline-flex; gap: 12px; color: var(--ink-4); }
.win-act .ic { width: 15px; height: 15px; }
.win-soon { margin-left: auto; font-size: 11px; color: #9A4A12; background: var(--amber-50); padding: 2px 8px; border-radius: 6px; }
.win-body { display: grid; grid-template-columns: 226px minmax(0, 1fr); height: calc(100% - 40px); }

.chat { position: relative; display: flex; flex-direction: column; gap: 9px; padding: 14px 13px 52px; border-right: 1px solid var(--line-2); overflow: hidden; }
.msg-user { align-self: flex-end; max-width: 95%; padding: 8px 10px; border-radius: 12px 12px 4px 12px; background: #EEF3FF; line-height: 1.6; }
.agent-head { display: flex; align-items: center; gap: 7px; margin-top: 2px; }
.agent-head b { font-size: 12px; font-weight: 600; }
.agent-head em { margin-left: auto; font-style: normal; font-family: var(--f-mono); font-size: 10px; color: var(--ink-3); }
.agent-ava { width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; color: #fff; background: var(--c); }
.agent-ava .ic { width: 12px; height: 12px; stroke-width: 2.2; }
.agent-text { color: var(--ink-2); line-height: 1.65; }
.steps { display: grid; gap: 6px; padding: 9px 10px; border-radius: 10px; background: #F8FAFC; box-shadow: inset 0 0 0 1px var(--line-2); }
.steps li { display: flex; align-items: flex-start; gap: 7px; line-height: 1.45; color: var(--ink-2); }
.steps li .ic { width: 13px; height: 13px; margin-top: 1px; color: var(--teal); stroke-width: 2.6; }
.steps code { display: inline-block; margin-right: 5px; padding: 0 4px; border-radius: 4px; font-size: 10px; line-height: 15px; color: var(--ink); background: #fff; box-shadow: 0 0 0 1px #E3E8EF; }
.steps.pending li { color: var(--ink-3); }
.steps.pending li i { width: 11px; height: 11px; margin-top: 2px; border-radius: 50%; border: 1.5px dashed var(--ink-4); flex: none; }
.deliv { display: flex; align-items: center; gap: 9px; padding: 8px; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px #E6EBF1, 0 2px 6px -4px rgba(15, 23, 42, .12); }
.deliv-ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: var(--c); background: color-mix(in srgb, var(--c) 12%, #fff); flex: none; }
.deliv-t { display: grid; min-width: 0; line-height: 1.4; }
.deliv-t b { font-size: 11.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.deliv-t em { font-style: normal; font-size: 10px; color: var(--ink-3); }
.chat-input {
  position: absolute; left: 12px; right: 12px; bottom: 12px; height: 34px; display: flex; align-items: center;
  padding: 0 5px 0 10px; border-radius: 10px; color: var(--ink-4); font-size: 11px; box-shadow: 0 0 0 1px #E3E8EF;
}
.chat-input span { margin-left: auto; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: #EEF1F5; color: var(--ink-3); }
.chat-input .ic { width: 12px; height: 12px; stroke-width: 2.4; }

.art { display: flex; flex-direction: column; min-width: 0; background: #F6F8FB; }
.art-bar { height: 38px; flex: none; display: flex; align-items: center; gap: 4px; padding: 0 12px; background: #fff; border-bottom: 1px solid var(--line-2); font-size: 11.5px; }
.art-tab { padding: 3px 9px; border-radius: 6px; color: var(--ink-3); }
.art-tab.on { color: var(--ink); background: #F1F4F8; font-weight: 600; }
.art-url { flex: 1; min-width: 0; margin-left: 8px; display: flex; align-items: center; gap: 5px; height: 24px; padding: 0 8px; border-radius: 6px; background: #F5F7FA; color: var(--ink-3); font-family: var(--f-mono); font-size: 10.5px; white-space: nowrap; overflow: hidden; }
.art-url .ic { width: 11px; height: 11px; flex: none; }
.art-bar > .ic { width: 14px; height: 14px; margin-left: 6px; }
.art-page { margin-left: 8px; font-family: var(--f-mono); font-size: 10.5px; color: var(--ink-3); }
.seg { margin-left: 10px; display: inline-flex; padding: 2px; border-radius: 7px; background: #F1F4F8; font-size: 11px; }
.seg b { padding: 2px 9px; border-radius: 5px; background: #fff; font-weight: 600; box-shadow: 0 1px 2px rgba(15, 23, 42, .08); }
.seg span { padding: 2px 9px; color: var(--ink-3); }

.dash, .doc { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 10px; padding: 12px; }
/* 成果区右侧 30px 是浮层卡的重叠带：文字类元素不进该区域（地图等图形可压在浮层下）
   这样浮层永远只压住地图边缘，绝不会遮住任何文字 */
.rules, .addr, .chart, .kpis, .verdicts, .tl-log, .cmp { margin-right: 30px; }
.dash-head, .doc-head { flex: none; display: flex; align-items: center; gap: 8px; height: 20px; }
.dash-head b, .doc-head b { font-size: 13px; font-weight: 600; }
/* 副标题紧跟标题，避免贴到成果区右缘（浮层会压住右下角） */
.doc-head > span { font-size: 10.5px; color: var(--ink-3); margin-left: 14px; }
.dash-head .chip:last-child { margin-right: 4px; }
.chip { font-size: 10.5px; padding: 1px 7px; border-radius: 6px; background: #fff; color: var(--ink-2); box-shadow: 0 0 0 1px #E3E8EF; }
.dash-head .chip:first-of-type { margin-left: auto; }
.kpis { flex: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.kpi { padding: 8px 10px; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px #E8ECF2; line-height: 1.35; }
.kpi em { display: block; font-style: normal; font-size: 10px; color: var(--ink-3); }
.kpi b { font-size: 18px; font-weight: 650; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi b small { font-size: 10px; font-weight: 500; color: var(--ink-3); margin-left: 2px; }
.kpi span { margin-left: 4px; font-size: 10px; font-family: var(--f-mono); }
.up { color: #0B8A66; }
.dn { color: var(--red); }

.mapbox { position: relative; flex: none; border-radius: 10px; overflow: hidden; background: #fff; box-shadow: 0 0 0 1px #E3E8EF; }
.mapbox.fill { flex: 1; min-height: 0; }
.mapbox svg.m { width: 100%; height: auto; }
.mapbox.fill svg.m { position: absolute; inset: 0; width: 100%; height: 100%; }
.choro path { fill: rgb(43 102 246 / var(--a)); stroke: #fff; stroke-width: 1.4; stroke-linejoin: round; }
.heat { mix-blend-mode: multiply; }
.water-light { fill: #C9DEF6; }
.maplabels text { font-size: 9.5px; font-weight: 500; fill: #4E5A6C; text-anchor: middle; paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round; }
.maplabels text[text-anchor="start"] { text-anchor: start; }
.maplabels text[text-anchor="end"] { text-anchor: end; }
.maplabels .sea { fill: #5E86BD; font-size: 9px; stroke: none; letter-spacing: .1em; }
.maplabels .strong { fill: var(--ink); font-weight: 650; font-size: 10px; }
.maplabels .danger { fill: #D2373C; font-weight: 650; font-size: 10px; }
.pp-ring { fill: rgba(43, 102, 246, .2); transform-box: fill-box; transform-origin: center; animation: ppulse 2.2s var(--ease) infinite; }
.pp-dot { fill: var(--blue); stroke: #fff; stroke-width: 2.2; }
@keyframes ppulse { 0% { transform: scale(.5); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
.tip {
  position: absolute; display: grid; gap: 1px; padding: 7px 10px; border-radius: 9px; background: rgba(255, 255, 255, .96);
  font-size: 10.5px; color: var(--ink-2); line-height: 1.5;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 10px 24px -10px rgba(16, 38, 90, .35);
}
.tip b { font-size: 11.5px; color: var(--ink); font-weight: 650; }
.tip strong { color: var(--ink); font-weight: 650; }
.tip .up { font-family: var(--f-mono); font-size: 10px; }
.legend {
  position: absolute; left: 8px; bottom: 8px; display: flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 7px;
  background: rgba(255, 255, 255, .94); font-size: 9.5px; color: var(--ink-2); box-shadow: 0 0 0 1px rgba(15, 23, 42, .05);
}
.legend.top { top: 8px; bottom: auto; }
.legend .lg-t { color: var(--ink-3); }
.lg-bar { width: 56px; height: 5px; border-radius: 3px; background: linear-gradient(90deg, rgba(43, 102, 246, .12), var(--blue)); }
.legend-3 { gap: 10px; }
.legend-3 span { display: inline-flex; align-items: center; gap: 4px; }
.legend-3 i { width: 8px; height: 8px; border-radius: 2px; }
.legend i.hatch { background: repeating-linear-gradient(135deg, #7A5AF8 0 1.5px, transparent 1.5px 3.5px); box-shadow: inset 0 0 0 1px #7A5AF8; }
.ln { width: 16px; height: 0; border-top: 2px solid var(--lc, #0EA5E9); border-radius: 0 !important; }
.ln.dash { border-top-style: dashed; border-top-color: var(--lc, #94A3B8); }

/* 出行 */
.day-chips { display: flex; gap: 5px; }
.dc { display: inline-flex; align-items: center; gap: 4px; padding: 1px 7px; border-radius: 6px; font-size: 10.5px; font-weight: 600; background: #fff; box-shadow: 0 0 0 1px #E3E8EF; color: var(--ink-2); }
.dc i { width: 7px; height: 7px; border-radius: 50%; }
.dc.d1 i { background: var(--blue); } .dc.d2 i { background: var(--teal); } .dc.d3 i { background: var(--amber); }
.routes .rt { fill: none; stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }
.rt.d1 { stroke: var(--blue); } .rt.d2 { stroke: var(--teal); } .rt.d3 { stroke: var(--amber); }
.stops .s circle, .stops .s rect { fill: #fff; stroke-width: 2.4; filter: url(#f-pin); }
.stops .s text { font-family: var(--f-mono); font-size: 9px; font-weight: 700; text-anchor: middle; }
.stops .d1 circle, .stops .d1 rect { stroke: var(--blue); } .stops .d1 text { fill: var(--blue); }
.stops .d2 circle, .stops .d2 rect { stroke: var(--teal); } .stops .d2 text { fill: var(--teal); }
.stops .d3 circle, .stops .d3 rect { stroke: var(--amber); } .stops .d3 text { fill: #D06A22; }
.stops .meal rect { fill: currentColor; }
.stops .meal.d1 rect { fill: var(--blue); } .stops .meal.d2 rect { fill: var(--teal); } .stops .meal.d3 rect { fill: var(--amber); }
.stops .meal text { fill: #fff !important; }

/* 营销 */
.cmp { flex: none; width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border-radius: 10px; box-shadow: 0 0 0 1px #E3E8EF; overflow: hidden; font-size: 11px; }
.cmp th, .cmp td { height: 24px; padding: 0 10px; text-align: right; font-variant-numeric: tabular-nums; border-bottom: 1px solid var(--line-2); }
.cmp th:first-child, .cmp td:first-child { text-align: left; color: var(--ink-2); }
.cmp thead th { font-size: 10px; font-weight: 500; color: var(--ink-3); background: #FAFBFC; }
.cmp tbody tr:last-child td { border-bottom: 0; }
.cmp td { font-family: var(--f-sans); }
.cmp td.best { color: var(--ink); font-weight: 650; }
.cmp td.best::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 5px; border-radius: 50%; background: currentColor; vertical-align: 1px; opacity: .5; }
.ta { stroke-width: 1.4; }
.ta-a { fill: rgba(122, 90, 248, .16); stroke: rgba(122, 90, 248, .7); }
.ta-b { fill: rgba(242, 133, 58, .14); stroke: rgba(242, 133, 58, .7); stroke-dasharray: 4 3; }
.ta-c { fill: rgba(16, 168, 126, .14); stroke: rgba(16, 168, 126, .7); stroke-dasharray: 4 3; }
.overlap { fill: url(#hatch-v); fill: rgba(122, 90, 248, .22); stroke: #7A5AF8; stroke-width: 1.2; stroke-dasharray: 2 2; }
.dots path { opacity: .55; }
.dots-a path { fill: #7A5AF8; } .dots-b path { fill: #F2853A; } .dots-c path { fill: #10A87E; }
.mk circle { stroke: #fff; stroke-width: 2.4; filter: url(#f-pin); }
.mk text { fill: #fff; font-size: 9.5px; font-weight: 700; text-anchor: middle; font-family: var(--f-mono); }
.mk-a circle { fill: #7A5AF8; } .mk-b circle { fill: #F2853A; } .mk-c circle { fill: #10A87E; }

/* 选址 */
.iso { stroke-width: 1.2; }
.iso-10 { fill: rgba(242, 133, 58, .07); stroke: rgba(242, 133, 58, .55); stroke-dasharray: 4 3; }
.iso-5 { fill: rgba(242, 133, 58, .14); stroke: rgba(242, 133, 58, .8); }
.comp circle { fill: #94A3B8; stroke: #fff; stroke-width: 2; }
.own circle { fill: var(--blue); stroke: #fff; stroke-width: 2; filter: url(#f-pin); }
.metro rect { fill: #10A87E; stroke: #fff; stroke-width: 2; filter: url(#f-pin); }
.metro text { fill: #fff; font-size: 9px; font-weight: 700; text-anchor: middle; font-family: var(--f-mono); }
.walk { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-dasharray: 2 3; stroke-linecap: round; }
.cand .halo { fill: rgba(242, 133, 58, .22); transform-box: fill-box; transform-origin: center; animation: ppulse 2.4s var(--ease) infinite; }
.cand .core { fill: var(--amber); stroke: #fff; stroke-width: 2.6; filter: url(#f-pin); }
.rules { flex: none; display: grid; gap: 4px; }
.rules li { display: flex; align-items: center; gap: 7px; height: 24px; padding: 0 10px; border-radius: 8px; background: #fff; box-shadow: 0 0 0 1px #E8ECF2; }
.rules li .ic { width: 12px; height: 12px; stroke-width: 2.6; }
.rules li.ok .ic { color: var(--teal); }
.rules li.warn .ic { color: var(--amber); }
.rules li b { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; }
.rules li.warn b { color: #C2611F; }

/* 网约车 */
.verdicts { flex: none; display: grid; grid-template-columns: 1fr 1.2fr 1.2fr; gap: 8px; }
.vd { padding: 7px 10px; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px #E8ECF2; line-height: 1.4; }
.vd em { display: block; font-style: normal; font-size: 10px; color: var(--ink-3); }
.vd b { font-size: 14px; font-weight: 650; }
.vd b small { margin-left: 4px; font-size: 10px; font-family: var(--f-mono); font-weight: 500; }
.vd.ok { background: var(--teal-50); box-shadow: inset 0 0 0 1px rgba(16, 168, 126, .25); }
.vd.ok b { color: #0B7F60; }
.vd.warn { background: var(--amber-50); box-shadow: inset 0 0 0 1px rgba(242, 133, 58, .25); }
.vd.warn b { color: #B9601E; }
.rt-plan { fill: none; stroke: #94A3B8; stroke-width: 2.6; stroke-dasharray: 5 4; stroke-linecap: round; }
.rt-real { fill: none; stroke: #0EA5E9; stroke-width: 3.6; stroke-linecap: round; stroke-linejoin: round; }
.rt-car { fill: #fff; stroke: #0369A1; stroke-width: 2.4; }
.closure circle { fill: var(--red); stroke: #fff; stroke-width: 2.4; filter: url(#f-pin); }
.closure path { stroke: #fff; stroke-width: 2; stroke-linecap: round; }
.end circle { stroke: #fff; stroke-width: 2.4; filter: url(#f-pin); }
.end text { fill: #fff; font-size: 9px; font-weight: 700; text-anchor: middle; }
.s-start circle { fill: var(--teal); }
.s-end circle { fill: var(--ink); }
.tl { display: grid; gap: 0; }
.tl li { position: relative; display: flex; gap: 10px; padding: 4px 0 4px 14px; line-height: 1.45; }
.tl li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: #CBD5E1; }
.tl li::after { content: ""; position: absolute; left: 4.5px; top: 18px; bottom: -6px; width: 1px; background: #E2E8F0; }
.tl li:last-child::after { display: none; }
.tl time { font-family: var(--f-mono); font-size: 10.5px; color: var(--ink-3); flex: none; width: 34px; }
.tl span { color: var(--ink-2); }
.tl span em { display: block; font-style: normal; font-size: 10px; color: var(--ink-4); }
.tl-log { flex: none; padding: 4px 10px; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px #E8ECF2; }
.tl-log li { padding-top: 2px; padding-bottom: 2px; }
.tl-log li::before { top: 8px; }
.tl-log li::after { top: 15px; bottom: -4px; }
.tl-log li.hl::before { background: var(--red); box-shadow: 0 0 0 3px rgba(229, 72, 77, .18); }
.tl-log li.hl span { color: var(--ink); font-weight: 600; }

/* 人群热力 */
.duo { flex: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.duo-m em { display: block; font-style: normal; font-size: 10.5px; color: var(--ink-2); font-weight: 600; margin-bottom: 5px; }
.duo-m .mapbox { height: 118px; }
.duo-m .mapbox svg.m { position: absolute; inset: 0; width: 100%; height: 100%; }
.chart { flex: 1; min-height: 0; display: flex; flex-direction: column; padding: 10px 12px 8px; border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px #E3E8EF; }
.chart-head { display: flex; align-items: center; gap: 10px; font-size: 10px; color: var(--ink-3); }
.chart-head b { font-size: 11.5px; color: var(--ink); font-weight: 600; margin-right: 4px; }
.chart-head span { display: inline-flex; align-items: center; gap: 4px; }
.chart .lines { flex: 1; min-height: 0; width: 100%; height: 100%; margin-top: 6px; overflow: visible; }
.lines .grid path { stroke: #EEF1F5; stroke-width: 1; vector-effect: non-scaling-stroke; }
.lines .l { fill: none; stroke-width: 2.2; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.lines .l.a { stroke: var(--blue); } .lines .l.b { stroke: var(--amber); }
.lines .l.d { stroke-dasharray: 4 4; opacity: .85; }
.lines .xt text { font-family: var(--f-mono); font-size: 9px; fill: var(--ink-4); }

/* 物流 */
.rt-logi { fill: none; stroke: var(--ink); stroke-width: 2.2; stroke-dasharray: 6 4; stroke-linejoin: round; opacity: .75; }
.depot rect { fill: var(--ink); stroke: #fff; stroke-width: 2.2; filter: url(#f-pin); }
.depot text { fill: #fff; font-size: 9.5px; font-weight: 700; text-anchor: middle; }
.lstops circle { fill: #fff; stroke: #475569; stroke-width: 2.2; filter: url(#f-pin); }
.lstops text { fill: #334155; font-size: 9px; font-weight: 700; text-anchor: middle; font-family: var(--f-mono); }
.lstops .chk circle { fill: var(--amber); stroke: #fff; }
.lstops .chk text { fill: #fff; }
.addr { flex: none; display: grid; gap: 4px; }
.addr li { display: flex; align-items: center; gap: 8px; height: 24px; padding: 0 10px; border-radius: 8px; background: #fff; box-shadow: 0 0 0 1px #E8ECF2; }
.addr b { width: 16px; height: 16px; border-radius: 50%; display: grid; place-items: center; font-size: 9px; font-family: var(--f-mono); background: #EEF1F5; color: var(--ink-2); flex: none; }
.addr em { font-style: normal; font-size: 10px; padding: 0 6px; border-radius: 5px; line-height: 16px; }
.addr em.ok { color: #0B7F60; background: var(--teal-50); }
.addr em.warn { color: #B9601E; background: var(--amber-50); }

/* 浮层卡：只压住窗口右侧约 40px 边缘，绝不遮挡成果区文字 */
.float {
  position: absolute; left: 620px; width: 200px; padding: 13px 14px; border-radius: 14px; background: #fff;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 40px 70px -28px rgba(16, 38, 90, .42), 0 14px 28px -16px rgba(16, 38, 90, .22);
}
.f-viz { top: 312px; }
.f-trip { top: 300px; }
.f-mkt { top: 326px; }
.f-site { top: 316px; }
.f-ride { top: 296px; }
.f-heat { top: 392px; }
.f-logi { top: 376px; }
.float-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.float-head b { font-size: 12.5px; font-weight: 650; }
.float-head em { font-style: normal; font-size: 10px; color: var(--ink-3); }
.float-p { margin-top: 8px; color: var(--ink-2); line-height: 1.6; font-size: 11px; display: flex; gap: 6px; }
.float-p .ic { width: 13px; height: 13px; color: var(--amber); margin-top: 2px; }
.donut-row { display: flex; align-items: center; gap: 10px; }
.donut { width: 62px; height: 62px; transform: rotate(-90deg); flex: none; }
.donut circle { fill: none; stroke-width: 6; }
.donut .d-bg { stroke: #F1F4F8; }
.donut text { transform: rotate(90deg); transform-origin: 21px 21px; text-anchor: middle; }
.donut .d-num { font-size: 7.5px; font-weight: 700; fill: var(--ink); }
.donut .d-lab { font-size: 3.6px; fill: var(--ink-3); }
.d-legend { display: grid; gap: 3px; flex: 1; font-size: 10.5px; color: var(--ink-2); }
.d-legend li { display: flex; align-items: center; gap: 6px; }
.d-legend i { width: 7px; height: 7px; border-radius: 2px; }
.d-legend b { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink); }
.stack-lab { margin-top: 12px; display: flex; justify-content: space-between; font-size: 10.5px; color: var(--ink-2); }
.stack-lab em { font-style: normal; color: var(--ink-4); font-size: 10px; }
.stack { margin-top: 6px; display: flex; gap: 2px; height: 8px; border-radius: 4px; overflow: hidden; }
.f-trip .tl li { padding-top: 3px; padding-bottom: 3px; }
.meal-ic { display: inline-block; vertical-align: -2px; width: 12px !important; height: 12px !important; margin-right: 3px; color: var(--amber); }
.big-num { display: flex; align-items: baseline; gap: 4px; }
.big-num b { font-size: 34px; font-weight: 650; letter-spacing: -.03em; line-height: 1; color: #6A48F0; }
.big-num span { font-size: 12px; color: var(--ink-2); }
.venn { position: relative; margin-top: 12px; height: 34px; display: flex; align-items: center; }
.venn i { position: absolute; top: 2px; width: 30px; height: 30px; border-radius: 50%; }
.venn .v1 { left: 0; background: rgba(122, 90, 248, .25); box-shadow: inset 0 0 0 1.4px #7A5AF8; }
.venn .v2 { left: 18px; background: rgba(242, 133, 58, .22); box-shadow: inset 0 0 0 1.4px #F2853A; }
.venn span { margin-left: 58px; font-size: 10.5px; color: var(--ink-2); line-height: 1.4; }
.score { position: relative; display: flex; align-items: center; gap: 10px; }
.ring { width: 64px; height: 64px; transform: rotate(-90deg); flex: none; }
.ring circle { fill: none; stroke-width: 6; stroke-linecap: round; }
.ring .r-bg { stroke: #F1F4F8; }
.ring .r-fg { stroke: var(--amber); stroke-dasharray: calc(var(--p) * 1.696) 169.6; }
.score-t { position: absolute; left: 0; top: 0; width: 64px; height: 64px; display: grid; place-content: center; text-align: center; line-height: 1.1; }
.score-t b { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.score-t em { font-style: normal; font-size: 8.5px; color: var(--ink-3); }
.verdict { margin-left: 4px; font-size: 12px; font-weight: 650; color: #0B7F60; background: var(--teal-50); padding: 4px 10px; border-radius: 8px; }
.bars { margin-top: 12px; display: grid; gap: 6px; }
.bars li { display: grid; grid-template-columns: 54px 1fr 20px; align-items: center; gap: 8px; font-size: 10.5px; color: var(--ink-2); }
.bars li i { height: 5px; border-radius: 3px; background: #F1F4F8; overflow: hidden; }
.bars li i b { display: block; height: 100%; width: var(--w); border-radius: 3px; background: var(--amber); transform-origin: left; }
.bars li i b.w { background: #CBD5E1; }
.bars li em { font-style: normal; font-family: var(--f-mono); font-size: 10px; text-align: right; color: var(--ink); }
.reply { color: var(--ink-2); line-height: 1.7; font-size: 11px; padding: 10px; border-radius: 10px; background: #F6F8FB; }
.mini-btn { margin-top: 10px; display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px; border-radius: 7px; font-size: 11px; font-weight: 600; color: #fff; background: #0EA5E9; }
.mini-btn .ic { width: 12px; height: 12px; }
.slot { display: flex; align-items: center; gap: 7px; padding: 7px 0; border-top: 1px solid var(--line-2); font-size: 11px; color: var(--ink-2); }
.slot:first-of-type { border-top: 0; padding-top: 0; }
.slot i { width: 8px; height: 8px; border-radius: 50%; }
.slot b { margin-left: auto; font-family: var(--f-mono); font-size: 10.5px; color: var(--ink); font-weight: 600; }
.logi-sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.logi-sum div { padding: 6px 8px; border-radius: 8px; background: #F6F8FB; line-height: 1.3; }
.logi-sum b { display: block; font-size: 16px; font-weight: 650; letter-spacing: -.02em; }
.logi-sum em { font-style: normal; font-size: 9.5px; color: var(--ink-3); }

/* 场景切换动效 */
.panel.is-active .panel-copy > * { animation: rise .7s var(--ease) both; }
.panel.is-active .panel-copy > :nth-child(2) { animation-delay: .04s; }
.panel.is-active .panel-copy > :nth-child(3) { animation-delay: .08s; }
.panel.is-active .panel-copy > :nth-child(4) { animation-delay: .12s; }
.panel.is-active .panel-copy > :nth-child(5) { animation-delay: .16s; }
.panel.is-active .panel-copy > :nth-child(6) { animation-delay: .2s; }
.panel.is-active .panel-copy > :nth-child(7) { animation-delay: .24s; }
.panel.is-active .win { animation: winIn .8s var(--ease) both; }
.panel.is-active .float { animation: floatIn .9s .22s var(--ease) both; }
.panel.is-active .stage-cap { animation: fadeIn .6s .1s both; opacity: 0; }
.panel.is-active .steps li { animation: stepIn .5s var(--ease) both; }
.panel.is-active .steps li:nth-child(1) { animation-delay: .25s; }
.panel.is-active .steps li:nth-child(2) { animation-delay: .35s; }
.panel.is-active .steps li:nth-child(3) { animation-delay: .45s; }
.panel.is-active .steps li:nth-child(4) { animation-delay: .55s; }
.panel.is-active .steps li:nth-child(5) { animation-delay: .65s; }
.panel.is-active .rt, .panel.is-active .rt-real, .panel.is-active .rt-logi { stroke-dasharray: var(--len, 1000); stroke-dashoffset: var(--len, 1000); animation: draw 1.6s .35s var(--ease-io) forwards; }
.panel.is-active .rt-logi { animation-name: drawDash; }
@keyframes drawDash { to { stroke-dashoffset: 0; } }
.panel.is-active .bars li i b { animation: barIn 1s .5s var(--ease) both; }
@keyframes barIn { from { transform: scaleX(0); } }
.panel.is-active .ring .r-fg { animation: ringIn 1.2s .45s var(--ease) both; }
@keyframes ringIn { from { stroke-dasharray: 0 169.6; } }
@keyframes winIn { from { opacity: 0; transform: translateY(18px) scale(.985); } }
@keyframes floatIn { from { opacity: 0; transform: translate(14px, 20px) scale(.97); } }
@keyframes stepIn { from { opacity: 0; transform: translateX(-6px); } }

/* =========================================================
   Why（核心优势）
   ========================================================= */
.why { background: var(--paper); }
.adv-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 1fr; gap: 20px; }
.adv {
  display: flex; flex-direction: column; border-radius: 24px; background: #fff; overflow: hidden;
  box-shadow: 0 0 0 1px var(--line), 0 1px 2px rgba(15, 23, 42, .03);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease);
}
.adv:hover { box-shadow: 0 0 0 1px #D3DAE4, 0 30px 50px -34px rgba(16, 38, 90, .35); transform: translateY(-3px); }
.adv-grid .adv:nth-child(2) { transition-delay: .06s; }
.adv-grid .adv:nth-child(3) { transition-delay: .12s; }
.adv-grid .adv:nth-child(5) { transition-delay: .06s; }
.adv-grid .adv:nth-child(6) { transition-delay: .12s; }
.adv-art { position: relative; height: 240px; overflow: hidden; background: #F7F9FC; border-bottom: 1px solid var(--line-2); }
.adv-body { position: relative; display: flex; flex-direction: column; flex: 1; padding: 26px 28px 28px; }
.adv-no { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-4); }
.adv h3 { margin-top: 8px; font-size: 21px; font-weight: 650; letter-spacing: -.015em; line-height: 1.35; }
.adv-tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.adv-tags li { font-size: 12px; padding: 2px 9px; border-radius: 6px; background: #F2F5F9; color: var(--ink-2); }
.adv-desc { margin-top: 14px; font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }
.adv-foot { margin-top: auto; padding-top: 16px; font-size: 11.5px; line-height: 1.6; color: var(--ink-4); }

/* 01 数据 */
.adv-data .adv-art { background: linear-gradient(160deg, #EEF3FF, #F7F9FC 70%); }
.dotfield { position: absolute; inset: 0; width: 100%; height: 100%; }
.df-lo { fill: rgba(43, 102, 246, .16); } .df-mid { fill: rgba(43, 102, 246, .38); } .df-hi { fill: var(--blue); }
.stats { position: relative; z-index: 1; height: 100%; display: grid; align-content: center; gap: 10px; padding: 0 28px; }
.stats > div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 14px; border-radius: 12px; background: rgba(255, 255, 255, .82); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); box-shadow: 0 0 0 1px rgba(255, 255, 255, .9), 0 6px 16px -10px rgba(16, 38, 90, .25); }
.stats dt { font-size: 13px; color: var(--ink-2); }
.stats dd { display: flex; align-items: baseline; gap: 3px; }
.stats dd b { font-size: 30px; font-weight: 650; letter-spacing: -.035em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats dd span { font-size: 13px; color: var(--ink-2); font-weight: 500; }

/* 02 算法 */
.adv-algo .m { position: absolute; inset: 0; width: 100%; height: 100%; }
.iso1, .iso2, .iso3 { transform-box: view-box; transform-origin: 190px 120px; }
.iso3 { fill: rgba(43, 102, 246, .06); stroke: rgba(43, 102, 246, .3); stroke-width: 1; stroke-dasharray: 3 3; animation: breathe 5s var(--ease-io) infinite; }
.iso2 { fill: rgba(43, 102, 246, .09); stroke: rgba(43, 102, 246, .45); stroke-width: 1; animation: breathe 5s .4s var(--ease-io) infinite; }
.iso1 { fill: rgba(43, 102, 246, .14); stroke: rgba(43, 102, 246, .7); stroke-width: 1.2; animation: breathe 5s .8s var(--ease-io) infinite; }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
.algo-route { fill: none; stroke: var(--teal); stroke-width: 3; stroke-linecap: round; }
.algo-car { fill: #fff; stroke: var(--teal); stroke-width: 2.6; }
.algo-center { fill: var(--blue); stroke: #fff; stroke-width: 2.4; }
.forecast {
  position: absolute; right: 16px; bottom: 16px; width: 150px; padding: 10px 12px; border-radius: 12px; background: rgba(255, 255, 255, .94);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 12px 24px -14px rgba(16, 38, 90, .35);
}
.fc-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 11px; }
.fc-head b { font-weight: 650; }
.fc-head em { font-style: normal; color: var(--ink-3); font-size: 10px; }
.fc-bars { margin-top: 8px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; height: 64px; }
.fc-bars div { position: relative; display: flex; align-items: flex-end; justify-content: center; gap: 2px; padding-bottom: 14px; }
.fc-bars i { width: 7px; height: var(--h); border-radius: 2px; background: var(--amber); transform-origin: bottom; }
.fc-bars i.s { background: var(--teal); }
.fc-bars em { position: absolute; bottom: 0; font-style: normal; font-family: var(--f-mono); font-size: 9px; color: var(--ink-3); }
.adv-algo.is-in .fc-bars i { animation: growUp 1s var(--ease) both; }
.adv-algo.is-in .fc-bars div:nth-child(2) i { animation-delay: .1s; }
.adv-algo.is-in .fc-bars div:nth-child(3) i { animation-delay: .2s; }
.adv-algo.is-in .fc-bars div:nth-child(4) i { animation-delay: .3s; }
@keyframes growUp { from { transform: scaleY(0); } }

/* 03 地图效果 */
.styles { position: absolute; inset: 0; }
.styles .m { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .8s var(--ease); }
.styles .m.on { opacity: 1; }
.flows { position: absolute; inset: 0; width: 100%; height: 100%; }
.flows path { fill: none; stroke-width: 2.6; stroke-linecap: round; stroke-dasharray: 10 14; animation: flow2 1.6s linear infinite; transition: stroke .6s; }
.flows path:nth-child(1) { stroke: var(--blue); }
.flows path:nth-child(2) { stroke: var(--amber); animation-duration: 2s; }
.flows path:nth-child(3) { stroke: var(--teal); animation-duration: 2.4s; }
@keyframes flow2 { to { stroke-dashoffset: -48; } }
.adv-style[data-style="night"] .flows path:nth-child(1) { stroke: #7CF5E4; filter: drop-shadow(0 0 4px rgba(124, 245, 228, .8)); }
.adv-style[data-style="night"] .flows path:nth-child(2) { stroke: #FFB86B; filter: drop-shadow(0 0 4px rgba(255, 184, 107, .8)); }
.adv-style[data-style="night"] .flows path:nth-child(3) { stroke: #8FB2FF; filter: drop-shadow(0 0 4px rgba(143, 178, 255, .8)); }
.adv-style[data-style="mono"] .flows path:nth-child(1) { stroke: var(--ink); }
.adv-style[data-style="mono"] .flows path:nth-child(2) { stroke: #64748B; }
.adv-style[data-style="mono"] .flows path:nth-child(3) { stroke: #A6B0BE; }
.adv-style[data-style="jade"] .flows path:nth-child(1) { stroke: #0F766E; }
.adv-style[data-style="jade"] .flows path:nth-child(2) { stroke: #E2A93B; }
.adv-style[data-style="jade"] .flows path:nth-child(3) { stroke: #2563EB; }
/* 外层撑满整宽做居中，胶囊样式放在内层，避免 left:50% 导致可用宽度只剩一半而折行 */
.style-chips { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; justify-content: center; }
.seg-pill {
  display: flex; gap: 2px; padding: 3px; border-radius: 11px; white-space: nowrap;
  background: rgba(255, 255, 255, .9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 8px 20px -10px rgba(16, 38, 90, .35);
}
.style-chips button { height: 28px; padding: 0 12px; border-radius: 8px; font-size: 12.5px; color: var(--ink-2); white-space: nowrap; transition: background-color .25s, color .25s; }
.style-chips button.on { background: var(--ink); color: #fff; }

/* 04 知识 */
.adv-know .adv-art { background: linear-gradient(160deg, #F3F0FF, #F7F9FC 70%); }
.fan { position: absolute; inset: 0; display: grid; place-items: center; }
.kcard {
  position: absolute; width: 240px; padding: 12px 14px; border-radius: 14px; background: #fff;
  display: grid; grid-template-columns: 30px 1fr; column-gap: 10px; row-gap: 2px; align-items: center;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 14px 28px -18px rgba(16, 38, 90, .45);
  transform: translate(calc((var(--i) - 2) * 10px), calc((var(--i) - 2) * 26px)) rotate(calc((var(--i) - 2) * -1.6deg));
  transition: transform .6s var(--ease);
}
.adv-know:hover .kcard { transform: translate(calc((var(--i) - 2) * 18px), calc((var(--i) - 2) * 36px)) rotate(calc((var(--i) - 2) * -3deg)); }
.k-ic { grid-row: span 2; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: var(--c); background: color-mix(in srgb, var(--c) 12%, #fff); }
.k-ic .ic { width: 16px; height: 16px; }
.kcard b { font-size: 13px; font-weight: 650; }
.kcard em { font-style: normal; font-size: 11px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 05 本地 */
.adv-local .adv-art { background: linear-gradient(160deg, #EAF7F2, #F7F9FC 70%); padding: 24px 22px; display: flex; flex-direction: column; gap: 18px; }
.local { display: grid; grid-template-columns: auto 1fr auto; align-items: center; }
.lfiles { display: grid; gap: 8px; }
.lfiles li { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 10px; border-radius: 9px; background: #fff; font-size: 12px; color: var(--ink-2); box-shadow: 0 0 0 1px rgba(15, 23, 42, .06), 0 4px 10px -8px rgba(16, 38, 90, .3); white-space: nowrap; }
.lfiles .ic { width: 14px; height: 14px; color: var(--ink-3); }
.lwire { width: 100%; height: 106px; }
.lwire path { fill: none; stroke: rgba(16, 168, 126, .5); stroke-width: 1.4; stroke-dasharray: 3 4; animation: flow2 1.2s linear infinite; vector-effect: non-scaling-stroke; }
.lchip { display: grid; justify-items: center; gap: 4px; padding: 12px 12px 10px; border-radius: 14px; background: #fff; box-shadow: 0 0 0 1px rgba(16, 168, 126, .3), 0 10px 22px -12px rgba(16, 168, 126, .5); text-align: center; }
.lchip > .ic { width: 22px; height: 22px; color: var(--teal); }
.lchip b { font-size: 12px; font-weight: 650; white-space: nowrap; }
.lchip em { display: inline-flex; align-items: center; gap: 3px; font-style: normal; font-size: 10px; color: #0B7F60; white-space: nowrap; }
.lchip em .ic { width: 10px; height: 10px; }
.memory { display: grid; gap: 6px; }
.memory li { display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 10px; border-radius: 9px; background: rgba(255, 255, 255, .8); font-size: 12px; color: var(--ink-2); box-shadow: 0 0 0 1px rgba(15, 23, 42, .05); }
.mem-tag { font-size: 10.5px; padding: 1px 6px; border-radius: 5px; background: var(--teal-50); color: #0B7F60; flex: none; }
.memory li span:nth-child(2) { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.memory em { font-style: normal; font-size: 11px; color: var(--ink-4); }

/* 06 开放 */
.adv-open .adv-art { background: linear-gradient(160deg, #EEF3FF, #F7F9FC 70%); }
.hub { position: absolute; inset: 0; width: 100%; height: 100%; }
.hub-lines path { stroke: rgba(43, 102, 246, .22); stroke-width: 1.2; stroke-dasharray: 3 4; }
.hub-pulses circle { fill: var(--blue); }
.hub-pulses circle.o { fill: var(--ink-4); }
.hub-nodes { position: absolute; inset: 0; }
.hn {
  position: absolute; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 4px;
  height: 28px; padding: 0 11px; border-radius: 99px; font-size: 12px; white-space: nowrap; background: #fff;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .07), 0 6px 14px -10px rgba(16, 38, 90, .4);
  transition: transform .4s var(--ease);
}
.hn .ic { width: 12px; height: 12px; }
.hn.atom { color: var(--blue-600); font-weight: 600; box-shadow: 0 0 0 1px rgba(43, 102, 246, .3), 0 6px 14px -10px rgba(43, 102, 246, .6); }
.hn.eco { color: var(--ink-2); background: rgba(255, 255, 255, .85); }
.hn.core { width: 54px; height: 54px; padding: 0; border-radius: 16px; justify-content: center; box-shadow: 0 0 0 6px rgba(43, 102, 246, .1), 0 14px 26px -12px rgba(43, 102, 246, .6); }
.hn.core svg { width: 54px; height: 54px; }
.adv-open:hover .hn.atom { transform: translate(-50%, -50%) scale(1.06); }

/* =========================================================
   FAQ
   ========================================================= */
.faq { background: #fff; }
/* 关键：展开/收起时不触发浏览器 scroll anchoring，避免整页跳动 */
.faq-list { overflow-anchor: none; }
.faq-grid { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 80px; align-items: start; }
.faq-side { position: sticky; top: 120px; }
.faq-side .sec-sub { margin-top: 18px; }
.faq-side .btn { margin-top: 28px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 20px; padding: 26px 4px;
  font-size: 18px; font-weight: 600; letter-spacing: -.01em; transition: color .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--blue); }
.faq-list summary i { position: relative; margin-left: auto; width: 28px; height: 28px; border-radius: 50%; flex: none; box-shadow: 0 0 0 1px var(--line); transition: background-color .3s, box-shadow .3s, transform .4s var(--ease); }
.faq-list summary i::before, .faq-list summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; border-radius: 1px; background: var(--ink-2); transform: translate(-50%, -50%); transition: transform .4s var(--ease), background-color .3s; }
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-list details[open] summary i,
.faq-list details.is-closing summary i { background: var(--ink); box-shadow: none; transform: rotate(180deg); }
.faq-list details[open] summary i::before,
.faq-list details[open] summary i::after,
.faq-list details.is-closing summary i::before,
.faq-list details.is-closing summary i::after { background: #fff; }
.faq-list details[open] summary i::after,
.faq-list details.is-closing summary i::after { transform: translate(-50%, -50%) rotate(0deg); }
/* 高度用 JS 缓动，展开/收起都不会突然顶动下方内容 */
.faq-a { overflow: hidden; transition: height .38s var(--ease); }
.faq-a p { padding: 2px 60px 26px 4px; font-size: 15.5px; line-height: 1.9; color: var(--ink-2); }

/* =========================================================
   Closing / Footer
   ========================================================= */
.closing { padding: 40px 0 120px; background: #fff; }
.closing-card {
  position: relative; overflow: hidden; border-radius: 32px; padding: 96px 32px;
  background: radial-gradient(ellipse 80% 90% at 50% 0%, #E7EEFF 0%, #F3F6FB 55%, #F5F7FA 100%);
  box-shadow: 0 0 0 1px var(--line);
  text-align: center;
}
.closing-contours { position: absolute; inset: 0; width: 100%; height: 100%; -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 30%, transparent 85%); mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 30%, transparent 85%); }
.closing-inner { position: relative; display: grid; justify-items: center; }
.closing-logo { width: 56px; height: 56px; filter: drop-shadow(0 12px 24px rgba(43, 102, 246, .35)); }
.closing h2 { margin-top: 26px; font-size: clamp(34px, 5vw, 60px); font-weight: 650; letter-spacing: -.035em; line-height: 1.1; }
.closing p { margin-top: 14px; font-size: 17px; color: var(--ink-2); }
.closing .btn { margin-top: 34px; }

.foot { background: #fff; border-top: 1px solid var(--line-2); }
.foot-inner { display: flex; align-items: center; gap: 40px; padding-top: 36px; padding-bottom: 36px; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.foot-brand > div { display: grid; line-height: 1.4; }
.foot-brand b { font-size: 14.5px; font-weight: 650; }
.foot-brand span { font-size: 12.5px; color: var(--ink-3); }
.foot-links { display: flex; gap: 24px; font-size: 14px; color: var(--ink-2); }
.foot-links a:hover { color: var(--ink); }
.foot-copy { margin-left: auto; font-size: 12.5px; color: var(--ink-4); }

/* =========================================================
   Responsive
   ========================================================= */
/* 桌面端：左栏文案无论多长（也不受不同平台中文字体行高差异影响），右侧成果画面位置恒定
   做法：成果区背景撑满整行；画面用绝对锚点定位在 700px 的垂直中线上 */
@media (min-width: 1181px) {
  .panel-copy { min-height: 700px; }
  .panel-visual > .fit {
    position: absolute; top: 350px; left: 30px; right: 30px;
    margin: 0 auto; transform: translateY(-50%);
  }
}
@media (max-width: 1180px) {
  .panel { grid-template-columns: 1fr; }
  .panel-copy { padding: 40px 36px 32px; }
  .tryit { margin-top: 28px; }
  .panel-visual { padding: 32px 24px; }
  .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  /* 移动端：导航收进抽屉（汉堡菜单），链接与 CTA 一个都不能少 */
  .nav-toggle { display: inline-flex; }
  .nav-actions .nav-ext { display: none; }
  .nav-links {
    position: fixed; left: 0; right: 0; top: var(--nav-h); z-index: 49;
    display: grid; gap: 2px; padding: 10px 18px 20px;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: saturate(1.7) blur(18px); -webkit-backdrop-filter: saturate(1.7) blur(18px);
    border-bottom: 1px solid var(--line-2);
    box-shadow: 0 30px 60px -34px rgba(15, 23, 42, .45);
    overscroll-behavior: contain;
    opacity: 0; transform: translateY(-10px); visibility: hidden;
    transition: opacity .26s var(--ease), transform .26s var(--ease), visibility .26s;
  }
  .nav.is-open .nav-links { opacity: 1; transform: none; visibility: visible; }
  .nav-links a {
    padding: 14px 12px; font-size: 16px; font-weight: 500; color: var(--ink);
    border-radius: 12px; min-height: 48px; display: flex; align-items: center;
  }
  .nav-links a.is-active { background: var(--blue-50); font-weight: 600; }
  .nav-ind { display: none; }
  .nav-drawer-actions {
    display: grid; gap: 10px; margin-top: 10px; padding-top: 14px;
    border-top: 1px solid var(--line-2);
  }
  /* 抽屉里的三个产品外链：横向排布更紧凑，不继承主菜单的大块样式 */
  .nav-drawer-actions .nav-ext { display: flex; flex-wrap: wrap; gap: 2px 16px; padding: 2px 12px 6px; }
  .nav-drawer-actions .nav-ext::after { display: none; }
  .nav-drawer-actions .nav-ext a { padding: 6px 0; min-height: 0; font-size: 13px; color: var(--ink-3); border-radius: 0; }
  .nav-drawer-actions .nav-ext a:hover { background: none; color: var(--blue-600); }
  .nav-drawer-actions .btn { height: 48px; width: 100%; font-size: 15px; }
  .nav-backdrop { display: block; pointer-events: none; }
  .nav.is-open .nav-backdrop { opacity: 1; pointer-events: auto; }
  .hud { display: none; }
  .hero { padding-top: 120px; }
  .hero-stage { margin-top: 48px; padding: 0 16px; }
  .sec { padding: 100px 0; }
  .sec-head.split { grid-template-columns: 1fr; gap: 18px; }
  .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .faq-side { position: static; }
  .foot-copy { margin-left: 0; width: 100%; }
}
@media (max-width: 680px) {
  :root { --nav-h: 60px; }
  /* 小屏下产品画面保持可读尺寸，横向滑动查看 */
  .hero-stage { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
  .hero-stage::-webkit-scrollbar { display: none; }
  .hero-stage .fit { min-width: 900px; }
  .panel-visual { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
  .panel-visual::-webkit-scrollbar { display: none; }
  .panel-visual > .fit { min-width: 620px; }
  .wrap, .nav-inner { padding: 0 18px; }
  .nav-inner { height: 60px; }
  .brand-name { font-size: 15px; }
  .hero-desc { font-size: 15.5px; }
  .btn-lg { height: 48px; padding: 0 20px; font-size: 15px; }
  .adv-grid { grid-template-columns: 1fr; }
  .panel-copy { padding: 30px 22px 26px; }
  .panel-copy h3 { font-size: 24px; }
  .panel-visual { padding: 22px 14px; }
  .tab { height: 40px; padding: 0 14px; font-size: 14px; }
  .tab-ind { height: 40px; }
  .faq-list summary { font-size: 16px; padding: 22px 2px; }
  .faq-a p { padding-right: 8px; }
  .closing-card { padding: 72px 20px; border-radius: 24px; }
  .building em { display: none; }
  .nav-actions .btn-sm { padding: 0 12px; }
}

/* =========================================================
   原型级交互：模态、过程演示、导览、Toast、光标光晕
   ========================================================= */
/* 小屏滑动提示：画面可横向滚动，不给提示用户不知道 */
.stage-hint { display: none; }
@media (max-width: 680px) {
  .stage-hint {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    margin-top: 14px; font-size: 12.5px; color: var(--ink-4);
  }
  .stage-hint .ic { width: 14px; height: 14px; }
}

/* ---------- 光标跟随光晕（卡片） ---------- */
[data-spot] { position: relative; }
[data-spot]::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(43, 102, 246, .10), transparent 62%);
  opacity: 0; transition: opacity .35s var(--ease);
}
[data-spot]:hover::before { opacity: 1; }


/* ---------- 客户端内「专家正在工作」浮层 ---------- */
.app-task {
  position: absolute; right: 22px; bottom: 22px; z-index: 6; width: 342px;
  padding: 16px 18px 14px; border-radius: 16px; background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 0 0 1px var(--line), 0 24px 44px -22px rgba(15, 23, 42, .45);
  animation: taskIn .38s var(--ease) both;
}
.app-task[hidden] { display: none; }
.task-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.task-head .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: hdpulse 1.4s infinite; }
.task-head .pct { margin-left: auto; font-family: var(--f-mono); font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.task-bar { margin: 10px 0 12px; height: 4px; border-radius: 3px; background: #EDF0F5; overflow: hidden; }
.task-bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--blue), var(--teal)); transition: width .5s var(--ease); }
.task-steps { display: grid; gap: 7px; }
.task-steps li { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-4); line-height: 1.5; }
.task-steps li .ic { width: 14px; height: 14px; flex: none; opacity: .35; }
.task-steps li.on { color: var(--ink-2); }
.task-steps li.on .ic { opacity: 1; color: var(--blue); }
.task-steps li.done { color: var(--ink); }
.task-steps li.done .ic { opacity: 1; color: var(--teal); }
.task-res { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line-2); display: grid; gap: 6px; }
.task-res b { font-size: 13px; }
.task-res span { font-size: 12px; color: var(--ink-3); }
@keyframes taskIn { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- 复制提问 ---------- */

/* ---------- Toast ---------- */

/* ---------- 演示导览按钮 ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-load], [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero-tilt { transform: none !important; }
}