/* ==========================================================================
   TapModel·触模 官网样式
   ========================================================================== */
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url(../assets/fonts/inter-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url(../assets/fonts/inter-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url(../assets/fonts/inter-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url(../assets/fonts/inter-latin-700-normal.woff2) format("woff2"); }

:root {
  --blue: #2d5bff;
  --blue-600: #1f47e0;
  --cyan: #12c6ee;
  --cyan-300: #6fd8ff;
  --navy-950: #050b1a;
  --navy-900: #081226;
  --navy-800: #0b1b3a;
  --navy-700: #13254a;
  --ink: #0f1a2e;
  --ink-2: #33415c;
  --muted: #5b6b85;
  --line: #e3e8f2;
  --soft: #f5f7fb;
  --amber: #b45309;
  --amber-bg: #fff7e8;
  --amber-line: #f5c77a;
  --grad: linear-gradient(120deg, var(--blue) 0%, var(--cyan) 100%);
  --radius: 18px;
  --shadow-1: 0 1px 2px rgba(15, 26, 46, .06), 0 8px 24px rgba(15, 26, 46, .06);
  --shadow-2: 0 2px 6px rgba(15, 26, 46, .08), 0 24px 60px rgba(15, 26, 46, .12);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "Inter", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { line-height: 1.25; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.muted { color: var(--muted); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
.ico { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- buttons ---------- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .5em; border: 0; border-radius: 12px;
  font-weight: 600; padding: .72em 1.3em; font-size: 15px; white-space: nowrap; overflow: hidden; isolation: isolate;
  transition: box-shadow .3s var(--ease), background-color .3s, color .3s; will-change: transform; }
.btn.sm { font-size: 14px; padding: .55em 1.05em; border-radius: 10px; }
.btn.lg { font-size: 16px; padding: .9em 1.6em; border-radius: 14px; }
.btn.block { width: 100%; }
.btn-primary { color: #fff; background: var(--grad); box-shadow: 0 6px 20px rgba(45, 91, 255, .35), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(45, 91, 255, .45), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-glass { color: #fff; background: rgba(255, 255, 255, .08); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22); backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255, 255, 255, .14); }
.btn-ghost { color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1px var(--line); }
.btn .rip { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .45); transform: scale(0); animation: rip .7s var(--ease) forwards; pointer-events: none; z-index: -1; }
/* 提交中：表单按钮置灰，避免重复提交。hover 的浮起阴影要去掉，否则看起来还能点 */
.btn:disabled { cursor: default; opacity: .72; box-shadow: none !important; }
.btn:disabled:hover { box-shadow: none !important; }
@keyframes rip { to { transform: scale(1); opacity: 0; } }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background-color .35s, box-shadow .35s, backdrop-filter .35s; }
.nav-in { display: flex; align-items: center; height: 72px; gap: 28px; }
.nav-logo { display: flex; position: relative; height: 32px; }
.nav-logo img { height: 32px; width: auto; transition: opacity .3s; }
.nav-logo .on-light { position: absolute; left: 0; top: 0; opacity: 0; }
.nav-links { position: relative; display: flex; gap: 4px; margin-left: auto; }
.nav-links a { position: relative; z-index: 1; color: rgba(255, 255, 255, .78); font-size: 14.5px; padding: 8px 12px; border-radius: 10px; transition: color .25s; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-ind { position: absolute; top: 0; left: 0; height: 100%; width: 0; border-radius: 10px; background: rgba(255, 255, 255, .1); opacity: 0; pointer-events: none; }
.nav-cta { display: flex; gap: 10px; }
.nav .btn-ghost { color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); }
.nav.scrolled { background: rgba(255, 255, 255, .86); backdrop-filter: saturate(1.6) blur(16px); box-shadow: 0 1px 0 var(--line); }
.nav.scrolled .on-dark { opacity: 0; }
.nav.scrolled .on-light { opacity: 1; }
.nav.scrolled .nav-links a { color: var(--ink-2); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--blue); }
.nav.scrolled .nav-ind { background: rgba(45, 91, 255, .08); }
.nav.scrolled .btn-ghost { color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.nav-burger { display: none; margin-left: auto; width: 42px; height: 42px; border: 0; border-radius: 10px; background: rgba(255,255,255,.1); position: relative; }
.nav-burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: #fff; border-radius: 2px; transition: transform .35s var(--spring), top .35s var(--spring); }
.nav-burger span:first-child { top: 16px; } .nav-burger span:last-child { top: 24px; }
.nav.scrolled .nav-burger { background: var(--soft); } .nav.scrolled .nav-burger span { background: var(--ink); }
.nav.open .nav-burger span:first-child { top: 20px; transform: rotate(45deg); }
.nav.open .nav-burger span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: max(760px, 100vh); display: flex; align-items: center; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 600px at 75% 30%, rgba(45, 91, 255, .28), transparent 60%),
              radial-gradient(900px 500px at 10% 90%, rgba(18, 198, 238, .16), transparent 60%),
              linear-gradient(180deg, var(--navy-950), var(--navy-900) 60%, #0a1730); }
.hero-canvas, .cta-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-glow { position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%); }
.hero-in { position: relative; display: grid; grid-template-columns: 1.08fr 1fr; gap: 56px; align-items: center; padding: 120px 0 90px; pointer-events: none; }
.hero-in > * { pointer-events: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--cyan-300); padding: 6px 14px 6px 12px; border-radius: 99px;
  background: rgba(18, 198, 238, .08); box-shadow: inset 0 0 0 1px rgba(111, 216, 255, .25); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(18, 198, 238, .2); animation: blink 2s infinite; }
@keyframes blink { 50% { box-shadow: 0 0 0 8px rgba(18, 198, 238, 0); } }
.hero-title { font-size: clamp(44px, 6.2vw, 80px); font-weight: 700; margin: 22px 0 22px; letter-spacing: .02em; }
.hero-title span { display: inline-block; }
.hero-title .grad { background: linear-gradient(100deg, #7fb0ff 0%, var(--cyan-300) 55%, #b9f1ff 100%); -webkit-background-clip: text; background-clip: text; }
.hero-sub { font-size: 17.5px; color: rgba(225, 233, 250, .82); max-width: 580px; }
.hero-sub strong { color: #fff; font-weight: 600; }
.hero-actions { display: flex; gap: 14px; margin: 36px 0 30px; flex-wrap: wrap; }
.hero-chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: rgba(225, 233, 250, .75); font-size: 14px; }
.hero-chips li { display: flex; align-items: center; gap: 8px; }
.hero-chips .ico { color: var(--cyan-300); }

/* 透视只保留在 transform 里的一份：再叠加 perspective 属性会把子元素的 translateZ 投两次 */
.hero-visual { position: relative; transform-style: preserve-3d; }
.glass { background: linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.04)); backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14), 0 30px 80px rgba(0,0,0,.35); border-radius: 22px; }
.console { padding: 18px 18px 14px; transform: translateZ(0); }
.console-bar { display: flex; align-items: center; gap: 12px; font-size: 13px; color: rgba(225,233,250,.8); }
.lights { display: flex; gap: 6px; } .lights i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.18); }
.lights i:first-child { background: #ff6b6b; } .lights i:nth-child(2) { background: #ffc24b; } .lights i:last-child { background: #3ddc97; }
.console-title { font-weight: 600; }
/* 限定在控制台状态条内，避免与 JS 在 [data-tilt] 上切换的状态类重名 */
.console-bar .live { margin-left: auto; display: flex; align-items: center; gap: 6px; font: 600 11px/1 var(--font); letter-spacing: .08em; color: #3ddc97; }
.console-bar .live span { width: 7px; height: 7px; border-radius: 50%; background: #3ddc97; animation: blink 1.6s infinite; box-shadow: 0 0 0 3px rgba(61,220,151,.25); }
.console-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 12px; }
.console-kpis div { background: rgba(5, 11, 26, .45); border-radius: 14px; padding: 12px 14px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.console-kpis b { display: block; font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.console-kpis em { font-style: normal; font-size: 13px; margin-left: 2px; color: rgba(225,233,250,.6); }
.console-kpis small { font-size: 12px; color: rgba(225,233,250,.6); }
.stream { list-style: none; padding: 0; margin: 0; height: 252px; overflow: hidden; position: relative;
  mask-image: linear-gradient(180deg, #000 70%, transparent); }
.stream li { display: grid; grid-template-columns: 30px 1fr auto auto; align-items: center; gap: 12px; padding: 9px 10px; margin-bottom: 6px;
  border-radius: 12px; background: rgba(5, 11, 26, .38); font-size: 13px; animation: slideIn .6s var(--spring) both; }
@keyframes slideIn { from { transform: translateY(-16px) scale(.97); opacity: 0; } }
.stream .lg { width: 30px; height: 30px; border-radius: 9px; background: #fff; display: grid; place-items: center; }
.stream .lg img { width: 20px; height: 20px; }
.stream .who b { display: block; font-weight: 600; color: #fff; }
.stream .who small { color: rgba(225,233,250,.55); font-size: 12px; }
.stream .ms { color: rgba(225,233,250,.6); font-variant-numeric: tabular-nums; font-size: 12px; }
.pill { font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.pill.ok { color: #3ddc97; background: rgba(61,220,151,.12); }
.pill.mask { color: var(--cyan-300); background: rgba(18,198,238,.14); }
.pill.block { color: #ff8f7f; background: rgba(255,107,107,.14); }
.pill.switch { color: #ffc24b; background: rgba(255,194,75,.14); }
.pill.foreign { color: #ffcf86; background: rgba(245,158,11,.16); }
.console-note { margin-top: 6px; font-size: 11.5px; color: rgba(225,233,250,.4); text-align: right; }
.console-note.dark { color: var(--muted); margin-top: 12px; }
.float-card { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 16px; font-size: 13px; transform: translateZ(60px); }
.float-card .ico { width: 34px; height: 34px; padding: 8px; border-radius: 10px; background: var(--grad); color: #fff; }
.float-card b { display: block; } .float-card small { color: rgba(225,233,250,.65); }
.fc-1 { left: -48px; bottom: -30px; animation: bob 6s ease-in-out infinite; }
.fc-2 { right: -26px; top: -26px; animation: bob 7s ease-in-out -2s infinite; }
@keyframes bob { 50% { translate: 0 -10px; } }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; width: 26px; height: 42px; margin-left: -13px; border-radius: 14px; box-shadow: inset 0 0 0 2px rgba(255,255,255,.3); }
.scroll-cue span { position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: #fff; animation: cue 1.8s var(--ease) infinite; }
@keyframes cue { 60% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- marquee ---------- */
.marquee-sec { padding: 34px 0 30px; border-bottom: 1px solid var(--line); background: #fff; }
.marquee-head { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 14.5px; color: var(--ink-2); margin-bottom: 18px; }
.foreign-inline { color: var(--amber); display: flex; align-items: center; gap: 6px; }
.marquee { overflow: hidden; cursor: grab; touch-action: pan-y; user-select: none; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee.dragging { cursor: grabbing; }
.marquee-track { display: flex; gap: 14px; width: max-content; will-change: transform; }
.mq { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 12px; border-radius: 14px; background: var(--soft); box-shadow: inset 0 0 0 1px var(--line); white-space: nowrap; }
.mq img { width: 28px; height: 28px; pointer-events: none; }
.mq b { font-size: 15px; } .mq small { color: var(--muted); font-size: 12.5px; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 56px 0 10px; }
.stat { padding: 6px 0 6px 22px; border-left: 2px solid var(--line); }
.stat b { display: block; font-size: 40px; font-weight: 700; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat > span { color: var(--muted); font-size: 14.5px; }

/* ---------- sections ---------- */
.sec { position: relative; padding: 110px 0; }
.sec-soft { background: var(--soft); }
.sec-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.sec-head.left { text-align: left; margin: 0; }
.kicker { display: inline-block; font-size: 13.5px; font-weight: 600; letter-spacing: .12em; color: var(--blue); margin-bottom: 14px; }
.sec-head h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 700; }
.sec-head p:not(.kicker) { margin-top: 18px; font-size: 17px; color: var(--muted); }
.figure { margin: 0; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-2); background: #fff; }
.figure img { display: block; width: 100%; height: auto; }

[data-reveal] { opacity: 0; transform: translateY(28px) scale(.985); transition: opacity .8s var(--ease), transform .9s var(--spring); transition-delay: var(--d, 0s); }
[data-reveal].in { opacity: 1; transform: none; }

/* tilt (physics-driven via CSS vars) */
[data-tilt] { --rx: 0deg; --ry: 0deg; --tz: 0px; --gx: 50%; --gy: 50%; --go: 0; transform-style: preserve-3d; }
.pain[data-tilt], .cap[data-tilt] { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(var(--tz)); }
[data-reveal][data-tilt] { transform: perspective(900px) translateY(28px) scale(.985); }
[data-reveal][data-tilt].in { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(var(--tz)); transition: opacity .8s var(--ease), transform .9s var(--spring); }
[data-reveal][data-tilt].in.tilting { transition: opacity .8s var(--ease); }
[data-tilt]::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: var(--go);
  background: radial-gradient(420px circle at var(--gx) var(--gy), rgba(45, 91, 255, .10), transparent 45%); }
.hero-visual[data-tilt] { transform: perspective(1200px) rotateX(var(--rx)) rotateY(var(--ry)); }
.hero-visual[data-tilt]::after { display: none; }

/* ---------- pains ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain { position: relative; padding: 30px 26px 26px; border-radius: var(--radius); background: #fff; box-shadow: inset 0 0 0 1px var(--line), var(--shadow-1); }
.pain-no { font: 700 14px/1 var(--font); color: var(--blue); background: rgba(45,91,255,.08); padding: 6px 10px; border-radius: 8px; }
.pain h3 { font-size: 19px; margin: 20px 0 10px; }
.pain p { color: var(--muted); font-size: 14.5px; }
.pain .fix { display: flex; gap: 8px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); color: var(--ink); font-weight: 500; }
.pain .fix .ico { color: var(--blue); margin-top: 3px; }

/* ---------- capabilities ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cap { position: relative; padding: 28px 24px; border-radius: var(--radius); background: linear-gradient(180deg, #fff, #fbfcff); box-shadow: inset 0 0 0 1px var(--line), var(--shadow-1); }
/* 图标/标题的「浮起」跟随悬停变量：静止时贴着一个极小的正偏移（0 会与卡片背景共面，排序不确定），
   悬停时随弹簧浮起。始终保持为正，避免回弹过冲时沉到卡片背景之后 */
.cap-ico { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(45,91,255,.28); transform: translateZ(calc(1px + max(var(--tz, 0px), 0px) * 2)); }
.cap-ico .ico { width: 24px; height: 24px; }
.cap h3 { font-size: 18px; margin: 20px 0 8px; transform: translateZ(calc(1px + max(var(--tz, 0px), 0px) * 1.4)); }
.cap p { font-size: 14.5px; color: var(--muted); }

/* ---------- security (dark) ---------- */
.sec-dark { color: #fff; background: var(--navy-900); overflow: hidden; }
.sec-dark-bg { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(800px 400px at 15% 0%, rgba(45,91,255,.25), transparent 60%), radial-gradient(700px 400px at 100% 100%, rgba(18,198,238,.14), transparent 60%); }
.sec-dark .wrap { position: relative; }
.sec-dark .sec-head p:not(.kicker) { color: rgba(225,233,250,.72); }
.sec-dark .kicker { color: var(--cyan-300); }
.glass-dark { background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1), 0 40px 90px rgba(0,0,0,.35); border-radius: 26px; }
.demo { padding: 26px; }
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.demo-steps { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; flex-wrap: wrap; }
.demo-steps li { display: flex; align-items: center; gap: 6px; font-size: 13px; padding: 7px 11px; border-radius: 10px; color: rgba(225,233,250,.5);
  background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); transition: color .3s, background-color .3s, box-shadow .3s, transform .5s var(--spring); }
.demo-steps li.on { color: #fff; background: rgba(45,91,255,.28); box-shadow: inset 0 0 0 1px rgba(111,216,255,.5); transform: translateY(-2px); }
.demo-steps li.done { color: var(--cyan-300); }
.demo-steps li.skipped { opacity: .3; text-decoration: line-through; }
.demo-steps li.bad { color: #ffb4a8; background: rgba(255,107,107,.16); box-shadow: inset 0 0 0 1px rgba(255,107,107,.45); }
.seg, .uni-tabs, .sol-tabs { position: relative; display: inline-flex; padding: 4px; border-radius: 12px; gap: 2px; }
.seg { background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1); }
.seg button, .uni-tabs button, .sol-tabs button { position: relative; z-index: 1; border: 0; background: none; padding: 8px 16px; border-radius: 9px; font-size: 14px; transition: color .25s; display: inline-flex; align-items: center; gap: 8px; }
.seg button { color: rgba(225,233,250,.7); }
.seg button[aria-checked="true"] { color: #fff; }
.seg-ind, .tab-ind { position: absolute; top: 4px; bottom: 4px; left: 0; width: 0; border-radius: 9px; }
.seg-ind { background: var(--grad); box-shadow: 0 6px 18px rgba(45,91,255,.4); }
.demo-body { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 22px; }
.pane { background: rgba(5,11,26,.5); border-radius: 18px; padding: 18px 20px; min-height: 196px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.pane-mid { box-shadow: inset 0 0 0 1px rgba(111,216,255,.25); }
.pane-h { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(225,233,250,.6); margin-bottom: 12px; }
.pane-txt { font-size: 15px; line-height: 1.85; color: rgba(240,245,255,.92); }
.pii { padding: 1px 4px; border-radius: 6px; background: rgba(255,194,75,.18); color: #ffd98a; box-shadow: inset 0 0 0 1px rgba(255,194,75,.35); transition: background-color .4s, color .4s; }
.ph { display: inline-block; padding: 0 6px; border-radius: 6px; background: rgba(18,198,238,.16); color: var(--cyan-300); box-shadow: inset 0 0 0 1px rgba(111,216,255,.35); font-size: .92em; animation: pop .55s var(--spring) both; }
.restored { padding: 1px 4px; border-radius: 6px; background: rgba(61,220,151,.14); color: #8ff0c4; animation: pop .55s var(--spring) both; }
@keyframes pop { from { transform: scale(.6); opacity: 0; } }
.blocked { display: flex; gap: 10px; color: #ffb4a8; }
.warned { color: #ffd98a; }
.caret::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -.15em; background: var(--cyan-300); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.demo-audit { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding: 12px 14px 12px 18px; border-radius: 14px; background: rgba(5,11,26,.5); color: rgba(225,233,250,.75); font-size: 13px; }
.demo-audit code { flex: 1; font: 12.5px/1.6 ui-monospace, "SF Mono", Menlo, Consolas, monospace; white-space: pre-wrap; }
.demo-audit .ico { color: var(--cyan-300); }
.sec-layers { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 28px; }
.sec-layers article { padding: 22px 20px; border-radius: 18px; background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.sec-layers .ico { width: 26px; height: 26px; color: var(--cyan-300); }
.sec-layers h3 { font-size: 16.5px; margin: 14px 0 6px; }
.sec-layers p { font-size: 13.5px; color: rgba(225,233,250,.65); }
.principles { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 12px 30px; font-size: 14px; color: rgba(225,233,250,.75); }
.principles li { display: flex; align-items: center; gap: 8px; }
.principles b { color: #fff; font-weight: 600; margin: 0 2px; }
.principles .ico { color: var(--cyan-300); }
.principles li:last-child .ico, .principles li:last-child b { color: #ffcf86; }

/* ---------- model universe ---------- */
.uni-tabs, .sol-tabs { display: flex; width: max-content; max-width: 100%; margin: 0 auto 26px; background: var(--soft); box-shadow: inset 0 0 0 1px var(--line); overflow-x: auto; }
.sec-soft .sol-tabs { background: #fff; }
.uni-tabs button, .sol-tabs button { color: var(--ink-2); flex: none; white-space: nowrap; }
.uni-tabs button[aria-selected="true"], .sol-tabs button[aria-selected="true"] { color: #fff; }
.uni-tabs button[data-f="foreign"] { color: var(--amber); }
.uni-tabs button[data-f="foreign"][aria-selected="true"] { color: #fff; }
.tab-ind { background: var(--grad); box-shadow: 0 6px 16px rgba(45,91,255,.3); }
.tab-ind.amber { background: linear-gradient(120deg, #d97706, #f59e0b); box-shadow: 0 6px 16px rgba(217,119,6,.3); }
.universe { position: relative; height: 540px; border-radius: 28px; overflow: hidden; touch-action: none; user-select: none;
  background: radial-gradient(600px 300px at 50% 50%, rgba(45,91,255,.08), transparent 70%), linear-gradient(180deg, #fbfcff, #f3f6fc);
  box-shadow: inset 0 0 0 1px var(--line); }
.universe::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(45,91,255,.14) 1px, transparent 1px); background-size: 26px 26px; mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%); }
.orb { position: absolute; left: 0; top: 0; border-radius: 50%; background: #fff; display: grid; place-items: center; cursor: grab; will-change: transform;
  box-shadow: 0 1px 2px rgba(15,26,46,.08), 0 10px 26px rgba(15,26,46,.10), inset 0 0 0 1px var(--line); transition: opacity .5s, box-shadow .3s, filter .5s; }
.orb img { width: 46%; height: 46%; pointer-events: none; }
.orb.foreign { box-shadow: 0 1px 2px rgba(15,26,46,.08), 0 10px 26px rgba(180,83,9,.12), inset 0 0 0 2px var(--amber-line); }
.orb.foreign::after { content: "境外"; position: absolute; top: 4%; right: -4%; font-size: 10px; font-weight: 700; color: var(--amber); background: var(--amber-bg);
  padding: 1px 6px; border-radius: 99px; box-shadow: inset 0 0 0 1px var(--amber-line); }
.orb.dim { opacity: .22; filter: grayscale(1); }
.orb.grab { cursor: grabbing; box-shadow: 0 20px 50px rgba(45,91,255,.28), inset 0 0 0 2px var(--blue); z-index: 5; }
.uni-tip { position: absolute; z-index: 10; left: 0; top: 0; pointer-events: none; min-width: 180px; padding: 12px 14px; border-radius: 14px; background: rgba(8,18,38,.94); color: #fff;
  font-size: 13px; box-shadow: 0 16px 40px rgba(8,18,38,.3); opacity: 0; transform: translateY(6px); transition: opacity .2s, transform .3s var(--spring); }
.uni-tip.show { opacity: 1; transform: none; }
.uni-tip b { font-size: 15px; } .uni-tip small { display: block; color: rgba(225,233,250,.65); }
.uni-tip .warn { display: block; margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(255,255,255,.12); color: #ffcf86; font-weight: 600; }
.uni-hint { position: absolute; left: 20px; bottom: 16px; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; pointer-events: none; }
.uni-legend { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; margin-top: 18px; font-size: 14px; color: var(--ink-2); }
.uni-legend span { display: flex; align-items: center; gap: 8px; }
.lg-dot { width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 1.5px var(--line), 0 2px 6px rgba(15,26,46,.12); }
.lg-foreign { color: var(--amber); } .lg-foreign .lg-dot { box-shadow: inset 0 0 0 2px var(--amber-line); background: var(--amber-bg); }
.model-list { margin: 26px auto 0; max-width: 1000px; border-radius: 16px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.model-list summary { cursor: pointer; padding: 14px 20px; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: center; gap: 8px; color: var(--blue); }
.model-list summary::-webkit-details-marker { display: none; }
.model-list-body { padding: 4px 22px 22px; display: grid; gap: 16px; }
.ml-row b { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 8px; }
.ml-row.foreign { padding: 14px; border-radius: 14px; background: var(--amber-bg); box-shadow: inset 0 0 0 1px var(--amber-line); }
.ml-row.foreign b { color: var(--amber); }
.ml-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ml-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 8px; border-radius: 10px; background: var(--soft); font-size: 13.5px; box-shadow: inset 0 0 0 1px var(--line); }
.ml-chip img { width: 20px; height: 20px; } .ml-chip small { color: var(--muted); }
.ml-row.foreign .ml-chip { background: #fff; box-shadow: inset 0 0 0 1px var(--amber-line); }

/* ---------- solutions ---------- */
.sol[hidden] { display: none; }
.sol { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: start; animation: fadeUp .6s var(--spring); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } }
.sol-intro h3 { font-size: 28px; margin-bottom: 16px; }
.sol-intro p { color: var(--muted); font-size: 16px; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 10px; font-size: 15px; }
.ticks .ico { width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: rgba(45,91,255,.1); color: var(--blue); flex: none; margin-top: 1px; }
.sol-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sc { padding: 22px; border-radius: 18px; background: #fff; box-shadow: inset 0 0 0 1px var(--line), var(--shadow-1); display: flex; flex-direction: column; gap: 8px; transition: transform .5s var(--spring), box-shadow .3s; }
.sc:hover { transform: translateY(-6px); box-shadow: inset 0 0 0 1px rgba(45,91,255,.3), var(--shadow-2); }
.sc .ico { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: rgba(45,91,255,.08); color: var(--blue); }
.sc b { font-size: 16.5px; margin-top: 6px; } .sc span { color: var(--muted); font-size: 14px; }
#solutions [data-panel="edu"] .sc:last-child { background: var(--amber-bg); box-shadow: inset 0 0 0 1px var(--amber-line); }
#solutions [data-panel="edu"] .sc:last-child .ico { background: rgba(217,119,6,.12); color: var(--amber); }
#solutions [data-panel="edu"] .sc:last-child b { color: var(--amber); }

/* ---------- console mock ---------- */
.app { display: grid; grid-template-columns: 210px 1fr; border-radius: 24px; overflow: hidden; background: #fff; box-shadow: var(--shadow-2), inset 0 0 0 1px var(--line); }
.app-side { background: #fbfcfe; border-right: 1px solid var(--line); padding: 22px 14px; }
.app-side img { margin: 0 8px 22px; display: block; height: 22px; width: auto; }
.app-side ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.app-side li { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; font-size: 14px; color: var(--ink-2); }
.app-side li.on { background: rgba(45,91,255,.08); color: var(--blue); font-weight: 600; }
.app-main { padding: 22px; display: grid; gap: 16px; background: var(--soft); }
.app-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi, .panel { background: #fff; border-radius: 16px; padding: 16px 18px; box-shadow: inset 0 0 0 1px var(--line); }
.kpi small { color: var(--muted); font-size: 13px; }
.kpi b { display: block; font-size: 26px; font-weight: 700; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.kpi em { font-style: normal; font-size: 12.5px; color: var(--muted); } .kpi em.up { color: #0f8a5f; }
.app-charts { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.panel-h { font-weight: 600; font-size: 14.5px; margin-bottom: 14px; display: flex; align-items: baseline; gap: 8px; }
.panel-h small { color: var(--muted); font-weight: 400; font-size: 12.5px; }
.bars { position: relative; height: 190px; display: flex; align-items: flex-end; gap: 8px; padding: 0 2px 22px; border-bottom: 1px solid var(--line);
  background: linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 42px; }
.bar { position: relative; flex: 1; height: var(--h); border-radius: 4px 4px 0 0; background: var(--blue); transform-origin: bottom; transform: scaleY(0); transition: transform .9s var(--spring), background-color .2s; transition-delay: var(--d); }
.bar.weekend { background: #86a2ff; }
.app.in .bar { transform: scaleY(1); }
.bar:hover { background: var(--blue-600); }
.bar span { position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%); font-size: 11px; color: var(--muted); white-space: nowrap; }
.bar-tip { position: absolute; z-index: 3; pointer-events: none; padding: 6px 10px; border-radius: 8px; background: var(--navy-900); color: #fff; font-size: 12px; white-space: nowrap; transform: translate(-50%, -110%); opacity: 0; transition: opacity .15s; }
.bar-tip.show { opacity: 1; }
.hbars { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.hbars li { display: grid; grid-template-columns: 88px 1fr 46px; align-items: center; gap: 10px; font-size: 13px; }
.hbars .tr { height: 10px; border-radius: 0 4px 4px 0; background: var(--soft); overflow: hidden; }
.hbars .fl { display: block; height: 100%; width: var(--w); border-radius: 0 4px 4px 0; background: var(--blue); transform-origin: left; transform: scaleX(0); transition: transform 1s var(--spring); transition-delay: var(--d); }
.app.in .hbars .fl { transform: scaleX(1); }
.hbars em { font-style: normal; text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.audit { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.audit th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12.5px; padding: 0 10px 10px; border-bottom: 1px solid var(--line); }
.audit td { padding: 11px 10px; border-bottom: 1px solid var(--line); }
.audit tr:last-child td { border-bottom: 0; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; white-space: nowrap; }
.tag-blue { color: var(--blue); background: rgba(45,91,255,.1); } .tag-red { color: #c2410c; background: #fff1eb; }
.tag-green { color: #0f8a5f; background: #e8f8f1; } .tag-gray { color: var(--muted); background: var(--soft); }
.tag-amber { color: var(--amber); background: var(--amber-bg); box-shadow: inset 0 0 0 1px var(--amber-line); margin-left: 4px; }

/* ---------- service ---------- */
.steps { list-style: none; padding: 0; margin: 0 0 40px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.steps::before { content: ""; position: absolute; top: 23px; left: 6%; right: 6%; height: 2px; background: var(--line); }
.steps::after { content: ""; position: absolute; top: 23px; left: 6%; right: 6%; height: 2px; background: var(--grad); transform-origin: left; transform: scaleX(0); transition: transform 1.6s var(--ease) .2s; }
.steps.in::after { transform: scaleX(1); }
.steps li { position: relative; z-index: 1; text-align: center; padding: 0 6px; }
.steps span { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 16px; border-radius: 50%; background: #fff; color: var(--blue); font-weight: 700; box-shadow: inset 0 0 0 2px var(--blue), 0 0 0 6px #fff; }
.steps b { display: block; font-size: 17px; margin-bottom: 6px; } .steps p { font-size: 14px; color: var(--muted); }
.svc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.svc div { padding: 22px; border-radius: 18px; background: var(--soft); display: flex; flex-direction: column; gap: 6px; }
.svc .ico { width: 26px; height: 26px; color: var(--blue); margin-bottom: 6px; }
.svc b { font-size: 16px; } .svc span { color: var(--muted); font-size: 14px; }

/* ---------- faq ---------- */
.faq-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 60px; align-items: start; }
.faq-wrap .sec-head p:not(.kicker) { font-size: 15.5px; }
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border-radius: 16px; box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; transition: box-shadow .3s; }
.faq details[open] { box-shadow: inset 0 0 0 1px rgba(45,91,255,.35), var(--shadow-1); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 600; font-size: 16px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { position: relative; width: 22px; height: 22px; flex: none; border-radius: 50%; background: var(--soft); transition: transform .5s var(--spring), background-color .3s; }
.faq summary i::before, .faq summary i::after { content: ""; position: absolute; left: 6px; right: 6px; top: 10px; height: 2px; border-radius: 2px; background: var(--blue); }
.faq summary i::after { transform: rotate(90deg); transition: transform .5s var(--spring); }
.faq details[open] summary i { transform: rotate(180deg); background: rgba(45,91,255,.1); }
.faq details[open] summary i::after { transform: rotate(0); }
.faq details > div { overflow: hidden; }
.faq details p { padding: 0 22px 20px; color: var(--muted); font-size: 15px; }

/* ---------- cta ---------- */
.cta { position: relative; overflow: hidden; color: #fff; padding: 110px 0; background: radial-gradient(800px 400px at 80% 20%, rgba(45,91,255,.32), transparent 60%), var(--navy-900); }
.cta-in { position: relative; display: grid; grid-template-columns: 1fr 480px; gap: 60px; align-items: center; pointer-events: none; }
.cta-in > * { pointer-events: auto; }
.cta h2 { font-size: clamp(30px, 3.6vw, 44px); margin: 24px 0 18px; }
.cta h2 .grad { background: linear-gradient(100deg, #7fb0ff, var(--cyan-300)); -webkit-background-clip: text; background-clip: text; }
.cta-copy > p { color: rgba(225,233,250,.75); font-size: 17px; }
.contact-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 12px; color: rgba(225,233,250,.85); }
.contact-list li { display: flex; align-items: center; gap: 10px; } .contact-list .ico { color: var(--cyan-300); }
/* 二维码底色必须够白够大：深色背景会吃掉静默区，手机扫不出来，所以外面套一层白底容器 */
.contact-qr { display: flex; flex-wrap: wrap; width: fit-content; max-width: 100%; align-items: center; gap: 16px; margin-top: 24px; padding: 14px; border-radius: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .04)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.contact-qr-code { flex: none; display: grid; place-items: center; width: 120px; height: 120px; border-radius: 12px; background: #fff; }
.contact-qr-code img { display: block; width: 104px; height: 104px; }
.contact-qr-txt b { display: block; font-size: 15.5px; color: #fff; margin-bottom: 6px; }
.contact-qr-txt p { margin: 0; font-size: 13.5px; line-height: 1.6; color: rgba(225, 233, 250, .7); }

/* 复制按钮：邮箱用小图标（低调、跟在地址后面），二维码用带文字的胶囊（动作更重要、需要说清楚复制的是什么） */
.copy-mini { display: inline-grid; place-items: center; width: 26px; height: 26px; flex: none; cursor: pointer;
  border: 1px solid rgba(225, 233, 250, .22); border-radius: 8px; background: rgba(255, 255, 255, .05); color: rgba(225, 233, 250, .7);
  transition: color .2s, background-color .2s, border-color .2s, transform .2s var(--spring); }
.copy-mini:hover { color: #fff; background: rgba(255, 255, 255, .12); border-color: rgba(111, 216, 255, .5); }
.copy-mini:active { transform: scale(.92); }
.copy-mini .ico { width: 14px; height: 14px; }

.copy-pill { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; padding: 8px 14px; cursor: pointer;
  border: 1px solid rgba(111, 216, 255, .35); border-radius: 999px; background: rgba(45, 91, 255, .18); color: #bcd4ff;
  font: 600 13px/1 var(--font); transition: color .2s, background-color .2s, border-color .2s; }
.copy-pill:hover { color: #fff; background: rgba(45, 91, 255, .34); border-color: rgba(111, 216, 255, .7); }
.copy-pill .ico { width: 15px; height: 15px; }

/* 客服挂件里的是白底卡片，同一颗胶囊得换成浅色主题的紧凑款——深色版在白底上对比度不够，
   而且 margin-top: 12px 是为联系方式卡片里上下堆叠留的，放进卡片标题会把行撑歪 */
.cs-hd-txt .copy-pill { margin-top: 0; padding: 4px 10px 4px 8px; gap: 5px; font-size: 11.5px;
  color: var(--blue-600); border-color: rgba(45, 91, 255, .28); background: rgba(45, 91, 255, .07); }
.cs-hd-txt .copy-pill:hover { color: #fff; background: var(--blue); border-color: var(--blue); }
.cs-hd-txt .copy-pill .ico { width: 12px; height: 12px; }
.cs-hd-txt .copy-pill.done { color: #0b6b45; border-color: rgba(11, 107, 69, .3); background: rgba(61, 220, 151, .16); }
.cs-hd-txt .copy-pill.fail { color: #a4231a; border-color: rgba(164, 35, 26, .3); background: rgba(255, 143, 127, .16); }

/* 复制成功 / 失败的短暂反馈：换图标换文案 + 弹一下 */
.copy-mini.done, .copy-pill.done { color: #8ff0c4; border-color: rgba(143, 240, 196, .55); background: rgba(61, 220, 151, .14); }
.copy-mini.fail, .copy-pill.fail { color: #ffb4a8; border-color: rgba(255, 143, 127, .55); background: rgba(255, 143, 127, .14); }
.copy-mini.done, .copy-mini.fail, .copy-pill.done, .copy-pill.fail { animation: copy-pop .5s var(--spring); }
@keyframes copy-pop { 0% { transform: scale(.9); } 55% { transform: scale(1.06); } 100% { transform: scale(1); } }
.form { padding: 28px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 13.5px; color: rgba(225,233,250,.8); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form input:not([type="radio"]), .form textarea { font: inherit; font-size: 15px; color: #fff; background: rgba(5,11,26,.45); border: 0; border-radius: 12px; padding: 12px 14px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); transition: box-shadow .25s; resize: vertical; }
.form input::placeholder, .form textarea::placeholder { color: rgba(225,233,250,.35); }
.form input:focus, .form textarea:focus { outline: 0; box-shadow: inset 0 0 0 1.5px var(--cyan-300), 0 0 0 4px rgba(18,198,238,.15); }
.form input.err { box-shadow: inset 0 0 0 1.5px #ff8f7f; animation: shake .45s var(--spring); }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.form fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.form legend { font-size: 13.5px; color: rgba(225,233,250,.8); margin-bottom: 8px; width: 100%; }
.chip { display: inline-flex !important; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { padding: 7px 14px; border-radius: 10px; font-size: 14px; background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); transition: background-color .25s, box-shadow .25s, transform .4s var(--spring); }
.chip input:checked + span { background: rgba(45,91,255,.35); box-shadow: inset 0 0 0 1px var(--cyan-300); color: #fff; }
.chip:active span { transform: scale(.94); }
.chip input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }
.form-msg { min-height: 1.2em; font-size: 14px; color: #8ff0c4; text-align: center; }

/* ---------- footer ---------- */
.foot { background: var(--navy-950); color: rgba(225,233,250,.7); padding: 64px 0 30px; font-size: 14px; }
.foot-in { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot .slogan { color: #fff; font-size: 18px; font-weight: 600; margin-top: 18px; letter-spacing: .1em; }
.foot-cols { display: flex; gap: 72px; }
.foot-cols div { display: grid; gap: 10px; align-content: start; }
.foot-cols b { color: #fff; margin-bottom: 4px; }
.foot-cols a { color: rgba(225,233,250,.65); transition: color .2s; } .foot-cols a:hover { color: #fff; }
.foot-notes { padding-top: 24px; display: grid; gap: 6px; font-size: 12.5px; color: rgba(225,233,250,.45); }
.foot-notes p:first-child { color: #ffcf86; display: flex; gap: 6px; align-items: center; }

/* ---------- 右下角客服咨询 ---------- */
/* 容器自身不接收事件（二维码收起时仍占位），只有卡片和按钮可点 */
.cs { position: fixed; right: 24px; bottom: 24px; z-index: 60; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; pointer-events: none; }
.cs > * { pointer-events: auto; }

.cs-btn { position: relative; display: flex; align-items: center; gap: 10px; padding: 8px 18px 8px 8px; border: 0; border-radius: 999px;
  background: var(--grad); color: #fff; font: 600 14px/1 var(--font); letter-spacing: .02em; cursor: pointer;
  box-shadow: 0 10px 26px rgba(45, 91, 255, .3), inset 0 0 0 1px rgba(255, 255, 255, .18);
  transition: transform .35s var(--spring), box-shadow .35s var(--ease); }
.cs-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(45, 91, 255, .38), inset 0 0 0 1px rgba(255, 255, 255, .3); }
.cs-btn:active { transform: translateY(0) scale(.97); }
.cs-btn-logo { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: #fff; box-shadow: 0 2px 8px rgba(8, 18, 38, .18); flex: none; }
.cs-btn-logo img { display: block; border-radius: 8px; }

/* 呼吸光环：只在二维码未展开时提示，展开后停 */
.cs-ring { position: absolute; inset: -5px; border-radius: 999px; border: 2px solid var(--blue); opacity: 0; pointer-events: none; }
.cs:not(.cs-open) .cs-ring { animation: cs-ring 2.6s var(--ease) infinite; }
@keyframes cs-ring { 0% { opacity: .5; transform: scale(.93); } 70%, 100% { opacity: 0; transform: scale(1.12); } }

/* 展开进度由 JS 写入 --cs（弹簧值，可略微超过 1）；右下角为缩放原点，卡片从按钮里「长」出来 */
.cs-card { --cs: 0; position: relative; width: 236px; padding: 14px 14px 12px; border-radius: 20px; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-2); opacity: 0; visibility: hidden;
  transform-origin: 100% 100%; transform: translateY(calc((1 - var(--cs)) * 14px)) scale(calc(.9 + var(--cs) * .1));
  transition: visibility 0s linear .45s; }
.cs-card.cs-open { visibility: visible; transition-delay: 0s; }

.cs-hd { display: flex; align-items: center; gap: 10px; }
.cs-hd-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--grad); color: #fff; flex: none; }
.cs-hd-ico .ico { width: 18px; height: 18px; }
.cs-hd-txt { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cs-hd-txt b { font-size: 14.5px; color: var(--ink); }
.cs-hd-txt small { font-size: 11.5px; color: var(--muted); }
.cs-x { margin-left: auto; display: grid; place-items: center; width: 26px; height: 26px; flex: none; border: 0; border-radius: 8px;
  background: var(--soft); color: var(--muted); cursor: pointer; transition: background-color .2s, color .2s; }
.cs-x:hover { background: var(--line); color: var(--ink); }
.cs-x svg { width: 14px; height: 14px; }

.cs-qr { margin-top: 12px; padding: 8px; border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.cs-qr img { display: block; width: 100%; height: auto; border-radius: 6px; }
.cs-note { margin: 10px 2px 0; font-size: 11.5px; line-height: 1.5; color: var(--muted); text-align: center; }

/* ---------- responsive ---------- */
@media (max-width: 1140px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .hero-in { grid-template-columns: 1fr; padding-top: 130px; }
  .hero-visual { max-width: 560px; }
  .pain-grid, .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-layers { grid-template-columns: repeat(3, 1fr); }
  .demo-body { grid-template-columns: 1fr; }
  .pane { min-height: 0; }
  .sol { grid-template-columns: 1fr; }
  .app { grid-template-columns: 1fr; } .app-side { display: none; }
  .faq-wrap { grid-template-columns: 1fr; gap: 30px; }
  .cta-in { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 32px); }
  .nav-cta { display: none; }
  .nav-burger { display: block; }
  .nav.open { background: #fff; }
  .nav.open .on-dark { opacity: 0; } .nav.open .on-light { opacity: 1; }
  .nav.open .nav-burger span { background: var(--ink); }
  .nav.open .nav-links { display: grid; position: absolute; top: 72px; left: 0; right: 0; background: #fff; padding: 8px 16px 20px; box-shadow: 0 20px 40px rgba(15,26,46,.12); }
  .nav.open .nav-links a { color: var(--ink); padding: 12px; }
  .hero-title { font-size: 44px; }
  .fc-1, .fc-2 { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat b { font-size: 32px; }
  .sec { padding: 80px 0; }
  .pain-grid, .cap-grid, .sol-cards, .svc { grid-template-columns: 1fr; }
  .sec-layers { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; text-align: left; }
  .steps::before, .steps::after { display: none; }
  .app-kpis, .app-charts { grid-template-columns: 1fr 1fr; }
  .app-charts { grid-template-columns: 1fr; }
  .universe { height: 460px; }
  .figure { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 18px; }
  .figure img { width: 960px; max-width: none; }
  .figure::after { content: "← 左右滑动查看完整图示 →"; position: sticky; left: 0; display: block; padding: 10px; text-align: center; font-size: 12.5px; color: var(--muted); background: #fff; }
  .form .row { grid-template-columns: 1fr; }
  .foot-cols { gap: 40px; }
  .audit th:nth-child(4), .audit td:nth-child(4) { display: none; }
  .cs { right: 14px; bottom: 14px; gap: 10px; }
  .cs-btn { padding: 7px 15px 7px 7px; font-size: 13px; }
  .cs-btn-logo { width: 28px; height: 28px; }
  .cs-btn-logo img { width: 21px; height: 21px; }
}

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