:root {
  --bg: #000;
  --surface: #121215;
  --surface-2: #1c1c20;
  --line: rgba(255, 255, 255, .09);
  --text: #f5f5f7;
  --muted: rgba(235, 235, 245, .62);
  --faint: rgba(235, 235, 245, .38);
  --cyan: #1fe0ff;
  --blue: #2f7bf0;
  --violet: #6a4bff;
  --pink: #f0457e;
  --amber: #ffa21a;
  --grad: linear-gradient(100deg, #7cf0ff 0%, #22b8f5 35%, #4a6cf7 65%, #8a4dff 100%);
  --radius: 28px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- 背景：光束 + 星空 ---------- */
.sky { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.sky canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.beam {
  position: absolute; width: 34vmax; height: 170vmax; top: -40vmax;
  filter: blur(70px); opacity: .5; border-radius: 50%;
  transform: rotate(32deg); animation: drift 26s ease-in-out infinite alternate;
}
.beam.b1 { left: -8vmax; background: linear-gradient(#1b5bd6, #0d2a6e 60%, transparent); }
.beam.b2 { left: 34vmax; width: 18vmax; background: linear-gradient(#2a3f9e, #172560 60%, transparent); opacity: .38; animation-duration: 32s; }
.beam.b3 { left: 70vmax; background: linear-gradient(#5b2fb8, #2a1466 60%, transparent); opacity: .42; animation-duration: 38s; }
@keyframes drift { to { transform: rotate(32deg) translateX(9vmax); } }
.sky::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, transparent 30%, #000 85%); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 14px max(20px, calc(50vw - 600px));
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.solid { background: rgba(0, 0, 0, .62); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: .02em; }
.brand img { width: 26px; height: 26px; }
.brand small { font-weight: 600; font-size: 13px; color: var(--faint); letter-spacing: .08em; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 15px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 24px; border-radius: 999px; font-weight: 700; font-size: 16px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--cyan); color: #00151c; box-shadow: 0 0 0 0 rgba(31, 224, 255, .5); }
.btn-primary:hover { box-shadow: 0 0 36px 2px rgba(31, 224, 255, .45); }
.btn-ghost { background: rgba(255, 255, 255, .1); backdrop-filter: blur(12px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); }
.nav .btn { height: 36px; padding: 0 16px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 150px 20px 0; text-align: center; }
.hero-mark { position: relative; width: 116px; height: 116px; margin: 0 auto 26px; }
.hero-mark .rays {
  position: absolute; inset: -120px; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 20%, rgba(31, 224, 255, .22) 25%, transparent 30% 45%, rgba(106, 75, 255, .22) 50%, transparent 55% 70%, rgba(47, 123, 240, .22) 75%, transparent 80% 95%, rgba(31, 224, 255, .22) 100%);
  mask: radial-gradient(circle, #000 0, transparent 68%); -webkit-mask: radial-gradient(circle, #000 0, transparent 68%);
  animation: spin 24s linear infinite; opacity: 0; animation-delay: 1.1s; animation-fill-mode: forwards;
}
.hero-mark .rays { animation: spin 24s linear infinite, fadein 1.2s 1.1s forwards; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadein { to { opacity: 1; } }
.hero-mark svg { position: relative; width: 100%; height: 100%; filter: drop-shadow(0 0 24px rgba(31, 200, 255, .55)); }
.shard { transform-origin: 50px 50px; animation: gather 1.1s cubic-bezier(.2, .9, .2, 1) both; }
.shard.s1 { --dx: 0; --dy: -60px; animation-delay: .05s; }
.shard.s2 { --dx: 60px; --dy: 0; animation-delay: .15s; }
.shard.s3 { --dx: 0; --dy: 60px; animation-delay: .25s; }
.shard.s4 { --dx: -60px; --dy: 0; animation-delay: .35s; }
.core { animation: pop .5s .95s cubic-bezier(.3, 1.6, .5, 1) both; transform-origin: 50px 50px; }
@keyframes gather { from { opacity: 0; transform: translate(var(--dx), var(--dy)) rotate(-40deg) scale(.4); } }
@keyframes pop { from { opacity: 0; transform: scale(0); } }

.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.title {
  font-size: clamp(92px, 19vw, 230px); line-height: .92; font-weight: 900; letter-spacing: -.02em;
  margin: 14px 0 6px;
  background: linear-gradient(100deg, #7cf0ff 0%, #22b8f5 25%, #4a6cf7 50%, #8a4dff 70%, #22b8f5 100%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: rise 1s .5s cubic-bezier(.2, .9, .2, 1) both, sheen 9s 1.5s ease-in-out infinite;
}
@keyframes sheen { 0%, 100% { background-position: 10% 0; } 50% { background-position: 60% 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(40px); filter: blur(12px); } }
.title-en { font-size: clamp(15px, 2vw, 20px); font-weight: 700; letter-spacing: .5em; color: var(--faint); margin-right: -.5em; }
.lead { font-size: clamp(26px, 4.2vw, 46px); font-weight: 800; line-height: 1.25; margin: 30px auto 14px; max-width: 16em; }
.sub { color: var(--muted); max-width: 34em; margin: 0 auto; font-size: clamp(16px, 1.8vw, 19px); }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero .reveal-in { animation: rise .9s cubic-bezier(.2, .9, .2, 1) both; }
.d1 { animation-delay: .8s !important; } .d2 { animation-delay: .95s !important; } .d3 { animation-delay: 1.1s !important; }

/* 舞台：桌面窗口 + 手机，随滚动放平 */
.stage { --p: 0; position: relative; max-width: 1180px; margin: 80px auto 0; perspective: 1600px; padding-bottom: 40px; }
.stage-inner {
  position: relative;
  transform: rotateX(calc((1 - var(--p)) * 22deg)) scale(calc(.9 + var(--p) * .1)) translateY(calc((1 - var(--p)) * 30px));
  transform-origin: 50% 0; transition: transform .08s linear;
}
.stage-glow { position: absolute; inset: 10% 6% -4%; background: radial-gradient(ellipse, rgba(47, 123, 240, .45), transparent 65%); filter: blur(40px); z-index: -1; }
.phone-wrap { position: absolute; right: -5%; bottom: -10%; width: 21%; transform: translateY(calc((1 - var(--p)) * 80px)); }

/* ---------- 界面示意：桌面窗口（1em = 宽度 / 120） ---------- */
.win { container-type: inline-size; border-radius: 18px; overflow: hidden; border: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 40px 120px rgba(0, 0, 0, .8); background: #000; }
.win-body { font-size: calc(100cqw / 120); position: relative; height: 70em; display: flex; text-align: left; overflow: hidden; }
.win-body::before { content: ""; position: absolute; inset: 0; background:
  linear-gradient(122deg, transparent 18%, rgba(40, 90, 200, .38) 26%, transparent 36%, transparent 52%, rgba(60, 70, 170, .3) 60%, transparent 70%, rgba(90, 50, 190, .35) 82%, transparent 92%); filter: blur(2em); }
.win-bar { position: absolute; top: 0; left: 0; right: 0; height: 3.4em; display: flex; align-items: center; gap: .7em; padding: 0 1.6em; font-size: 1.3em; color: var(--muted); z-index: 2; }
.win-bar img { width: 1.4em; }
.win-bar .dots { margin-left: auto; display: flex; gap: 2.2em; letter-spacing: 0; }
.side { position: relative; width: 20em; padding: 8em 1.8em 0; display: flex; flex-direction: column; gap: .6em; }
.side .it { display: flex; align-items: center; gap: 1.2em; padding: 1.2em 1.6em; border-radius: 99em; font-size: 1.6em; color: var(--muted); font-weight: 600; }
.side .it.on { background: rgba(255, 255, 255, .1); color: #fff; }
.main { position: relative; flex: 1; padding: 7em 3.6em 0 1.6em; }
.m-date { font-size: 1.4em; color: var(--muted); font-weight: 600; }
.m-title { font-size: 4.6em; font-weight: 900; line-height: 1.1; }
.m-search { margin: 1.8em 0 2.6em; height: 4.6em; border-radius: 1.2em; background: rgba(255, 255, 255, .08); display: flex; align-items: center; padding: 0 1.6em; gap: 1em; font-size: 1em; }
.m-search span { font-size: 1.7em; color: var(--faint); }
.m-search .ico { font-size: 1.9em; color: var(--muted); }
.m-h { font-size: 2.4em; font-weight: 900; margin-bottom: .6em; display: flex; align-items: baseline; gap: .5em; }
.m-h small { font-size: .5em; font-weight: 500; color: var(--faint); }
.cycles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4em; margin-bottom: 3em; }
.cyc { border-radius: 2em; padding: 1.8em 2em; height: 21em; display: flex; flex-direction: column; color: #fff; position: relative; overflow: hidden; }
.cyc::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 0, rgba(255, 255, 255, .25), transparent 55%); }
.cyc.c1 { background: linear-gradient(140deg, #3e3ab0, #5b4db8 45%, #2a1f6e); }
.cyc.c2 { background: linear-gradient(140deg, #3cb3f0, #1f6fd8 55%, #1b3f9a); }
.cyc.c3 { background: linear-gradient(140deg, #f2507e, #c93a78 55%, #5a1638); }
.cyc .loc { font-size: 1.5em; font-weight: 700; opacity: .92; }
.cyc .state { font-size: 6em; font-weight: 900; line-height: 1; margin-top: auto; }
.cyc .left { font-size: 1.6em; font-weight: 700; margin: .5em 0 .8em; font-variant-numeric: tabular-nums; }
.cyc .left small { font-size: .85em; opacity: .85; margin-left: .3em; }
.cyc .bar { height: .4em; border-radius: 1em; background: rgba(255, 255, 255, .25); overflow: hidden; }
.cyc .bar i { display: block; height: 100%; background: #fff; border-radius: inherit; width: 30%; transition: width 1s linear; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4em; }
.tile { border-radius: 1.8em; background: #f2f2f6; color: #111; padding: 1.6em 1.8em; height: 11em; position: relative; overflow: hidden; }
.tile b { font-size: 2em; font-weight: 900; }
.tile span { position: absolute; left: 1.8em; bottom: 1.2em; font-size: 1.3em; color: #555; font-weight: 600; }
.tile i { position: absolute; right: -1em; bottom: -1em; width: 6em; height: 6em; border-radius: 50%; opacity: .9; }
.tile.t1 b { color: #e0285a; } .tile.t1 i { background: radial-gradient(circle, #ffb08a, #e0285a 70%); }
.tile.t2 b { color: #5a4cf0; } .tile.t2 i { background: radial-gradient(circle, #cfe7ff, #6c8cff 70%); }
.tile.t3 b { color: #f08a00; } .tile.t3 i { background: radial-gradient(circle, #ffe08a, #ff9f0a 70%); }
.tile.t4 b { color: #1a9de0; } .tile.t4 i { background: radial-gradient(circle, #b8f3ff, #1fb8f0 70%); }
.mini-player { position: absolute; left: 21.6em; right: 3em; bottom: 2em; height: 7em; border-radius: 2em; background: rgba(60, 60, 66, .78); backdrop-filter: blur(1.4em); display: flex; align-items: center; gap: 1.4em; padding: 0 1.4em; border: 1px solid rgba(255, 255, 255, .1); }
.mini-player .ic { width: 4.6em; height: 4.6em; border-radius: 1.1em; background: linear-gradient(135deg, #ffcf3a, #f59e0b); }
.mini-player b { font-size: 1.6em; display: block; }
.mini-player small { font-size: 1.25em; color: var(--muted); }
.mini-player .t { margin-left: auto; font-size: 1.9em; font-weight: 800; color: var(--cyan); font-variant-numeric: tabular-nums; }

/* ---------- 界面示意：手机（1em = 宽度 / 39） ---------- */
.phone { container-type: inline-size; border-radius: 14% / 6.6%; padding: 3.2%; background: linear-gradient(145deg, #3a3a40, #121214 40%, #2a2a30); box-shadow: 0 40px 90px rgba(0, 0, 0, .85), inset 0 0 0 1px rgba(255, 255, 255, .12); }
.screen { font-size: calc(100cqw / 39); border-radius: 4.6em; overflow: hidden; background: #000; position: relative; height: 80em; text-align: left; }
.screen::before { content: ""; position: absolute; inset: 0; background: linear-gradient(125deg, transparent 30%, rgba(40, 90, 200, .35) 45%, transparent 60%, rgba(90, 50, 190, .3) 80%, transparent); filter: blur(1.6em); }
.island { position: absolute; top: 1.1em; left: 50%; transform: translateX(-50%); width: 11em; height: 3.2em; border-radius: 2em; background: #000; z-index: 3; }
.p-top { position: relative; display: flex; align-items: center; gap: .7em; padding: 5.4em 2em 0; font-weight: 800; font-size: 1.5em; }
.p-top img { width: 1.4em; }
.p-body { position: relative; padding: 2em 2em; }
.p-eyebrow { font-size: 1.25em; color: var(--muted); font-weight: 600; }
.p-title { font-size: 3.2em; font-weight: 900; line-height: 1.15; margin-bottom: .6em; }
.chips { display: flex; gap: .6em; flex-wrap: wrap; margin-bottom: 1.6em; }
.chip { font-size: 1.3em; font-weight: 700; padding: .55em 1.1em; border-radius: 2em; background: #1c1c20; border: 1px solid rgba(255, 255, 255, .12); }
.chip.on { background: #fff; color: #000; }
.chip.cy { background: var(--cyan); color: #00151c; border: 0; }
.rcard { border-radius: 2.4em; background: rgba(30, 30, 34, .92); border: 1px solid rgba(255, 255, 255, .1); padding: 1.6em; margin-bottom: 1.2em; }
.rhead { display: flex; gap: 1.2em; align-items: flex-start; }
.ricon { width: 5.6em; height: 5.6em; border-radius: 1.4em; background: linear-gradient(135deg, #6a5cff, #3b2fb0); flex: none; }
.ricon.amber { background: linear-gradient(135deg, #ffd25a, #ff9f0a); }
.rtags { display: flex; gap: .4em; margin-bottom: .4em; }
.rtags span { font-size: 1.05em; font-weight: 700; padding: .2em .6em; border-radius: .5em; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .15); }
.rname { font-size: 1.8em; font-weight: 800; }
.rcount { margin-left: auto; text-align: right; }
.rcount b { font-size: 3em; font-weight: 900; color: var(--cyan); line-height: 1; }
.rcount small { display: block; font-size: 1.05em; color: var(--muted); }
.rmeta { margin-top: 1.2em; padding-top: 1.1em; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 1.2em; color: var(--muted); line-height: 1.7; }
.rmeta b { color: #fff; }
.tabbar { position: absolute; left: 1.6em; right: 1.6em; bottom: 2em; height: 6.4em; border-radius: 3.2em; background: rgba(40, 40, 44, .82); backdrop-filter: blur(1em); display: flex; align-items: center; justify-content: space-around; border: 1px solid rgba(255, 255, 255, .1); }
.tabbar span { font-size: 1.1em; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: .3em; padding: .5em 1.1em; border-radius: 2em; }
.tabbar .ico { font-size: 1.9em; }
.tabbar span.on { background: rgba(255, 255, 255, .12); color: #fff; }


/* 图标（遮罩上色，跟随文字颜色） */
.ico { display: inline-block; flex: none; width: 1.25em; height: 1.25em; background: currentColor; -webkit-mask: var(--i) center / contain no-repeat; mask: var(--i) center / contain no-repeat; }
.i-today { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Cpath%20d%3D%22M12%209a6%206%200%200%200-6%206h12a6%206%200%200%200-6-6z%22/%3E%3Cpath%20d%3D%22M11%203h2v4h-2zM3.6%207l1.4-1.4%202.6%202.6-1.4%201.4zM16.4%208.2%2019%205.6%2020.4%207l-2.6%202.6zM2%2016.5h20v2H2zM6%2020h12v1.8H6z%22/%3E%3C/svg%3E"); }
.i-book { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Cpath%20d%3D%22M2.5%205.2C5%204%208.2%204%2011%205.6V20c-2.8-1.4-6-1.4-8.5-.3zM13%205.6C15.8%204%2019%204%2021.5%205.2v14.5c-2.5-1.1-5.7-1.1-8.5.3z%22/%3E%3C/svg%3E"); }
.i-store { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Cpath%20d%3D%22M4%203.5h16L21.8%209a2.6%202.6%200%200%201-5.2.4%202.6%202.6%200%200%201-5.2%200%202.6%202.6%200%200%201-5.2%200A2.6%202.6%200%200%201%202.2%209z%22/%3E%3Cpath%20d%3D%22M4%2013h2.2v5.3h11.6V13H20v7.5H4z%22/%3E%3C/svg%3E"); }
.i-groups { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%227.5%22%20r%3D%223.2%22/%3E%3Ccircle%20cx%3D%224.8%22%20cy%3D%229.6%22%20r%3D%222.3%22/%3E%3Ccircle%20cx%3D%2219.2%22%20cy%3D%229.6%22%20r%3D%222.3%22/%3E%3Cpath%20d%3D%22M6.3%2019.5c0-3.4%202.5-5.6%205.7-5.6s5.7%202.2%205.7%205.6zM.8%2019.5c0-2.3%201.6-3.9%204-3.9.5%200%20.9%200%201.3.2a7.3%207.3%200%200%200-1.2%203.7zM23.2%2019.5h-4.1a7.3%207.3%200%200%200-1.2-3.7c.4-.2.8-.2%201.3-.2%202.4%200%204%201.6%204%203.9z%22/%3E%3C/svg%3E"); }
.i-person { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Cpath%20d%3D%22M12%203.5a4.2%204.2%200%201%201%200%208.4%204.2%204.2%200%200%201%200-8.4zM12%205.5a2.2%202.2%200%201%200%200%204.4%202.2%202.2%200%200%200%200-4.4zM3.8%2020.5c0-3.6%203.7-6.2%208.2-6.2s8.2%202.6%208.2%206.2zM6.1%2018.5h11.8c-.7-1.4-3-2.2-5.9-2.2s-5.2.8-5.9%202.2z%22/%3E%3C/svg%3E"); }
.i-search { --i: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill-rule%3D%22evenodd%22%3E%3Cpath%20d%3D%22M10.5%203a7.5%207.5%200%200%201%206%2012l4.8%204.8-1.5%201.5-4.8-4.8A7.5%207.5%200%201%201%2010.5%203zm0%202.2a5.3%205.3%200%201%200%200%2010.6%205.3%205.3%200%200%200%200-10.6z%22/%3E%3C/svg%3E"); }

/* ---------- 跑马灯 ---------- */
.marquee { margin: 90px 0 0; padding: 22px 0; border-block: 1px solid var(--line); overflow: hidden; white-space: nowrap; mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee div { display: inline-flex; gap: 48px; padding-right: 48px; animation: slide 40s linear infinite; font-size: clamp(22px, 3vw, 34px); font-weight: 900; color: rgba(255, 255, 255, .22); }
.marquee em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes slide { to { transform: translateX(-100%); } }

/* ---------- 通用段落 ---------- */
.section { max-width: 1200px; margin: 0 auto; padding: 140px 20px 0; }
.kicker { font-size: 15px; font-weight: 700; letter-spacing: .12em; color: var(--cyan); margin-bottom: 14px; }
.h2 { font-size: clamp(40px, 6.4vw, 80px); font-weight: 900; line-height: 1.08; letter-spacing: -.01em; }
.h2 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2-sub { color: var(--muted); font-size: clamp(17px, 2vw, 21px); margin-top: 18px; max-width: 32em; }

.reveal { opacity: 0; transform: translateY(48px); transition: opacity .9s cubic-bezier(.2, .8, .2, 1), transform .9s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 功能 Bento ---------- */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; margin-top: 64px; }
.card {
  --mx: 50%; --my: 50%;
  position: relative; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  padding: 34px; overflow: hidden; min-height: 420px; display: flex; flex-direction: column;
}
.card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px circle at var(--mx) var(--my), rgba(31, 224, 255, .1), transparent 45%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.card:hover::before { opacity: 1; }
.card .tag { font-size: 14px; font-weight: 800; letter-spacing: .1em; }
.card h3 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 900; line-height: 1.15; margin: 10px 0 12px; }
.card p { color: var(--muted); max-width: 26em; }
.card .demo { margin-top: auto; padding-top: 30px; }
.span-7 { grid-column: span 7; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; } .span-12 { grid-column: span 12; }

/* 今日卡 */
.card.today { background: radial-gradient(120% 90% at 100% 100%, rgba(106, 75, 255, .28), transparent 60%), var(--surface); }
.today .tag { color: #9f8bff; }
.today-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.today-row .cyc { font-size: 7px; height: auto; min-height: 150px; border-radius: 18px; }
.today-row .cyc .state { font-size: 46px; }
.today-row .cyc .loc { font-size: 13px; }
.today-row .cyc .left { font-size: 13px; }
.today-row .cyc .bar { height: 3px; }
.trader { margin-top: 12px; border-radius: 18px; background: var(--surface-2); padding: 14px 16px; display: flex; align-items: center; gap: 12px; }
.trader i { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, #ffcf3a, #f59e0b); }
.trader b { display: block; font-size: 15px; }
.trader small { color: var(--muted); font-size: 13px; }
.trader .t { margin-left: auto; color: var(--cyan); font-weight: 800; font-variant-numeric: tabular-nums; }

/* 资料搜索卡 */
.card.codex .tag { color: var(--cyan); }
.codex { background: radial-gradient(100% 80% at 0% 100%, rgba(31, 224, 255, .16), transparent 60%), var(--surface); }
.sbox { height: 56px; border-radius: 16px; background: rgba(255, 255, 255, .08); display: flex; align-items: center; gap: 12px; padding: 0 18px; font-size: 18px; font-weight: 600; }
.sbox .q::after { content: ""; display: inline-block; width: 2px; height: 1.1em; background: var(--cyan); vertical-align: -3px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.sbox svg { width: 20px; height: 20px; opacity: .6; flex: none; }
.results { margin-top: 10px; display: grid; gap: 8px; min-height: 132px; }
.res { display: flex; align-items: center; gap: 12px; border-radius: 16px; background: var(--surface-2); padding: 12px 14px; opacity: 0; transform: translateY(8px); transition: .35s; }
.res.show { opacity: 1; transform: none; }
.res i { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #22d3ee, #2563eb); flex: none; }
.res b { font-size: 16px; } .res small { color: var(--muted); font-size: 13px; display: block; }
.res em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--faint); border: 1px solid var(--line); padding: 2px 8px; border-radius: 99px; }

/* 交易卡 */
.card.trade .tag { color: #5ee6ff; }
.listing { border-radius: 20px; background: var(--surface-2); border: 1px solid var(--line); padding: 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 4px 14px; align-items: center; }
.listing + .listing { margin-top: 10px; }
.listing .ic { grid-row: span 2; width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, #1fc8d8, #0f8a9a); }
.listing b { font-size: 16px; }
.listing b span { font-size: 11px; font-weight: 700; padding: 2px 6px; border-radius: 5px; background: rgba(255, 255, 255, .1); margin-right: 6px; vertical-align: 2px; }
.listing small { color: var(--muted); font-size: 13px; }
.listing .price { grid-row: span 2; text-align: right; font-size: 24px; font-weight: 900; color: var(--cyan); line-height: 1.1; }
.listing .price small { display: block; font-size: 12px; font-weight: 500; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #4ade80; font-weight: 700; }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, .6); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); } 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); } }

/* 组队聊天卡 */
.card.team { background: radial-gradient(110% 90% at 100% 0%, rgba(240, 69, 126, .2), transparent 55%), var(--surface); }
.team .tag { color: #ff7aa6; }
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: end; }
.team .rcard { font-size: 7px; margin: 0; }
.chat { display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 88%; padding: 9px 14px; border-radius: 18px; font-size: 14px; background: var(--surface-2); opacity: 0; transform: translateY(10px) scale(.96); transition: .4s cubic-bezier(.2, .9, .3, 1.2); }
.msg.me { align-self: flex-end; background: var(--blue); }
.msg small { display: block; font-size: 11px; color: var(--faint); }
.msg.me small { color: rgba(255, 255, 255, .7); }
.msg.show { opacity: 1; transform: none; }

/* ---------- 三端同步 ---------- */
.sync { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.devices { position: relative; height: 380px; }
.dev { position: absolute; border-radius: 22px; border: 1px solid rgba(255, 255, 255, .14); background: linear-gradient(160deg, #1d1d22, #0b0b0d); box-shadow: 0 30px 80px rgba(0, 0, 0, .7); display: flex; align-items: center; justify-content: center; }
.dev img { width: 34%; filter: drop-shadow(0 0 20px rgba(31, 200, 255, .5)); }
.dev.pc { left: 0; top: 0; width: 78%; height: 78%; }
.dev.pad { right: 10%; bottom: 0; width: 26%; height: 62%; border-radius: 26px; }
.dev.ph { right: 0; bottom: 6%; width: 16%; height: 44%; border-radius: 18px; }
.dev.pad img { width: 46%; } .dev.ph img { width: 56%; }
.dev::after { content: attr(data-l); position: absolute; bottom: 10px; font-size: 12px; color: var(--faint); font-weight: 700; letter-spacing: .1em; }
.link-line { position: absolute; inset: 0; pointer-events: none; }
.sync .h2 { font-size: clamp(36px, 4.6vw, 60px); }
.points { margin-top: 30px; display: grid; gap: 18px; }
.points div { display: flex; gap: 14px; }
.points b { display: block; font-size: 19px; }
.points span { color: var(--muted); font-size: 16px; }
.points i { flex: none; width: 28px; height: 28px; border-radius: 50%; background: rgba(31, 224, 255, .14); color: var(--cyan); display: grid; place-items: center; font-style: normal; font-weight: 900; font-size: 14px; margin-top: 2px; }

/* ---------- 下载 ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.dl {
  --mx: 50%; --my: 50%;
  position: relative; border-radius: var(--radius); padding: 34px 30px 30px; background: var(--surface); border: 1px solid var(--line); overflow: hidden;
  display: flex; flex-direction: column; min-height: 330px; transition: transform .3s, border-color .3s;
}
.dl:hover { transform: translateY(-6px); border-color: rgba(31, 224, 255, .35); }
.dl::before { content: ""; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(31, 224, 255, .12), transparent 45%); opacity: 0; transition: opacity .3s; }
.dl:hover::before { opacity: 1; }
.dl .os { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--surface-2); margin-bottom: 26px; }
.dl .os svg { width: 30px; height: 30px; }
.dl h3 { font-size: 30px; font-weight: 900; }
.dl p { color: var(--muted); font-size: 15px; margin-top: 4px; }
.dl .meta { margin-top: 18px; font-size: 13px; color: var(--faint); }
.dl .btn { margin-top: auto; position: relative; }
.dl .btn[aria-disabled="true"] { background: rgba(255, 255, 255, .08); color: var(--muted); box-shadow: none; cursor: default; }
.dl.soon .badge { position: absolute; top: 26px; right: 24px; font-size: 12px; font-weight: 800; padding: 4px 10px; border-radius: 99px; background: rgba(106, 75, 255, .2); color: #b3a3ff; }

/* ---------- FAQ ---------- */
.faq { margin-top: 48px; max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 26px 44px 26px 0; font-size: clamp(18px, 2.2vw, 22px); font-weight: 800; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 8px; top: 50%; width: 12px; height: 12px; border-right: 2.5px solid var(--muted); border-bottom: 2.5px solid var(--muted); transform: translateY(-75%) rotate(45deg); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.faq details p { color: var(--muted); padding: 0 0 26px; max-width: 42em; }
.faq a, .legal a, .foot a.u { color: var(--cyan); }

/* ---------- 页尾 ---------- */
.finale { text-align: center; padding: 170px 20px 120px; position: relative; }
.finale .h2 { font-size: clamp(44px, 8vw, 104px); }
.foot { border-top: 1px solid var(--line); padding: 40px max(20px, calc(50vw - 600px)) 50px; color: var(--faint); font-size: 13px; line-height: 1.8; }
.foot-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.foot-row nav { display: flex; gap: 22px; margin-left: auto; color: var(--muted); font-size: 14px; }
.foot-row nav a:hover { color: var(--text); }
.foot p { max-width: 62em; }

/* ---------- 隐私政策等正文页 ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 140px 20px 100px; }
.legal h1 { font-size: clamp(40px, 7vw, 64px); font-weight: 900; line-height: 1.1; }
.legal .date { color: var(--faint); margin: 12px 0 40px; font-size: 14px; }
.legal h2 { font-size: 24px; font-weight: 900; margin: 44px 0 12px; }
.legal p, .legal li { color: rgba(235, 235, 245, .78); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 1.3em; display: grid; gap: 8px; margin-top: 10px; }
.legal .box { border-radius: 20px; background: var(--surface); border: 1px solid var(--line); padding: 22px 24px; margin-top: 18px; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .span-7, .span-5, .span-6 { grid-column: span 12; }
  .sync { grid-template-columns: 1fr; gap: 40px; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl { min-height: 0; }
  .dl .btn { margin-top: 26px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav .btn { margin-left: auto; }
  .hero { padding-top: 120px; }
  .hero-mark { width: 88px; height: 88px; }
  .stage { margin-top: 56px; }
  .stage .win { display: none; }
  .phone-wrap { position: relative; right: auto; bottom: auto; width: min(76%, 320px); margin: 0 auto; transform: none; }
  .section { padding-top: 100px; }
  .h2 { font-size: 34px; }
  .finale .h2 { font-size: 40px; }
  .card { padding: 26px 22px; min-height: 0; }
  .today-row .cyc { min-height: 120px; padding: 12px; }
  .today-row .cyc .state { font-size: 32px; }
  .today-row .cyc .left small { display: none; }
  .team-grid { grid-template-columns: 1fr; }
  .devices { height: 240px; }
  .finale { padding: 120px 20px 90px; }
  .foot-row nav { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .stage { --p: 1 !important; }
}