/* ---------- 基础 ---------- */
:root {
  --bg: #F7F6F3;
  --tile: #FFFFFF;
  --tile-2: #FAFAF8;
  --fg: #1C1A18;
  --fg-2: #76726D;
  --fg-3: #D4D1CB;
  --line: rgba(28, 26, 24, .12);
  --blue: #B4551C;        /* 强调色（链接、选中态） */
  --blue-btn: #EC7C30;    /* 主按钮 */
  --on-btn: #1B0E05;
  --green: #3E8E41;
  --danger: #C4391D;
  --grad: linear-gradient(90deg, #F2A03D, #E8632B 50%, #C93A3A);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --pad: clamp(20px, 5vw, 88px);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  /* 标题用衬线：西文 New York，中文宋体 */
  --serif: ui-serif, "New York", "Songti SC", "STSongti-SC-Black", "Source Han Serif SC", "Noto Serif SC", "Noto Serif CJK SC", "STSong", "SimSun", Georgia, serif;
}
.light {
  --bg: #EEECE7; --tile: #FFFFFF;
  background: var(--bg); color: var(--fg);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 64px; background: #F7F6F3; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 17px; line-height: 1.47; letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip;
}
h1, h2, h3, p, ul, ol, dl, dd, figure, fieldset { margin: 0; padding: 0; }
ul, ol { list-style: none; }
fieldset { border: 0; min-width: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
svg { display: block; }
::selection { background: #F28C38; color: #1B0E05; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic--fill { fill: currentColor; stroke: none; }

.wrap { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: var(--pad); }
.sec { padding-block: clamp(96px, 13vw, 200px); }

/* ---------- 文字 ---------- */
.h1 { font-family: var(--serif); font-size: clamp(3.25rem, 10.4vw, 9.5rem); font-weight: 900; line-height: 1.08; letter-spacing: -.01em; }
.h2 { font-family: var(--serif); font-size: clamp(2.25rem, 5.6vw, 5rem); font-weight: 900; line-height: 1.14; letter-spacing: -.005em; }
.eyebrow { font-size: clamp(1.0625rem, 1.5vw, 1.5rem); font-weight: 600; color: var(--fg-2); }
.intro { font-size: clamp(1.125rem, 1.55vw, 1.5rem); font-weight: 600; line-height: 1.4; color: var(--fg-2); max-width: 30em; }
.intro b { color: var(--fg); font-weight: inherit; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.sec-head { display: grid; gap: clamp(14px, 1.6vw, 24px); margin-bottom: clamp(40px, 5vw, 80px); }

/* ---------- 入场 ---------- */
.js .rv { opacity: 0; transform: translateY(44px); transition: opacity 1s var(--ease) var(--d, 0s), transform 1.2s var(--ease) var(--d, 0s); }
.js .rv.in { opacity: 1; transform: none; }

/* ---------- 按钮 ---------- */
.pill {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  min-height: 44px; padding: .62em 1.35em; border-radius: 980px; border: 0; cursor: pointer;
  background: var(--blue-btn); color: var(--on-btn); font-size: 1.0625rem; font-weight: 600; white-space: nowrap;
  transition: background .3s, transform .3s var(--ease), opacity .3s;
}
.pill:hover { background: #FFA352; }
.pill:active { transform: scale(.97); }
.pill--sm { min-height: 28px; padding: .3em .95em; font-size: .75rem; }
.pill--ghost { background: none; color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); }
.pill--ghost:hover { background: var(--blue-btn); color: var(--on-btn); box-shadow: none; }
.pill[disabled] { opacity: .35; pointer-events: none; }
.more { color: var(--blue); font-size: 1.0625rem; display: inline-flex; align-items: center; gap: .15em; }
.more::after { content: "›"; font-size: 1.2em; line-height: 1; transition: transform .3s var(--ease); }
.more:hover { text-decoration: underline; text-underline-offset: 3px; }
.more:hover::after { transform: translateX(3px); }
.cta { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 28px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 48px;
  background: rgba(247, 246, 243, .8); -webkit-backdrop-filter: saturate(1.8) blur(20px); backdrop-filter: saturate(1.8) blur(20px);
  border-bottom: 1px solid transparent; transition: border-color .4s, background .4s;
}
.nav.is-scrolled { border-color: var(--line); }
.nav__in { height: 100%; display: flex; align-items: center; gap: clamp(16px, 2.6vw, 36px); }
.brand { display: inline-flex; align-items: center; gap: .5em; font-weight: 600; font-size: 1.0625rem; margin-right: auto; }
.brand svg { width: 22px; height: 22px; }
.brand rect { fill: var(--fg); }
.brand path { fill: none; stroke: #F7F6F3; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.nav__links { display: flex; gap: clamp(16px, 2.6vw, 36px); font-size: .75rem; color: var(--fg); }
.nav__links a { opacity: .72; transition: opacity .3s; }
.nav__links a:hover { opacity: 1; }
.lang { background: none; border: 0; cursor: pointer; font-size: .75rem; color: var(--fg); opacity: .72; padding: 6px 2px; }
.lang:hover { opacity: 1; }
.burger { display: none; width: 44px; height: 44px; margin-right: -12px; border: 0; background: none; cursor: pointer; position: relative; }
.burger i { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--fg); transition: transform .4s var(--ease), top .4s var(--ease); }
.burger i:first-child { top: 18px; } .burger i:last-child { top: 25px; }
.menu-open .burger i { top: 21.5px; }
.menu-open .burger i:first-child { transform: rotate(45deg); }
.menu-open .burger i:last-child { transform: rotate(-45deg); }
.menu {
  position: fixed; inset: 48px 0 0 0; z-index: 45; background: #F7F6F3; padding: 28px var(--pad) 40px;
  display: flex; flex-direction: column; gap: 4px; opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity .4s, transform .5s var(--ease), visibility 0s .4s;
}
.menu-open .menu { opacity: 1; visibility: visible; transform: none; transition: opacity .4s, transform .5s var(--ease); }
.menu a { font-family: var(--serif); font-size: 1.75rem; font-weight: 700; padding-block: .32em; letter-spacing: -.02em; }
.menu a:last-child { color: var(--blue); }
.menu-open .nav { background: #F7F6F3; }

/* ---------- 首屏 ---------- */
.hero { padding: clamp(120px, 20vh, 220px) var(--pad) clamp(40px, 7vh, 88px); text-align: center; display: grid; justify-items: center; gap: clamp(14px, 1.8vw, 26px); }
.hero .intro { max-width: 34em; }
.hero .cta { margin-top: 10px; }
.js .hero > * { opacity: 0; transform: translateY(30px); animation: heroIn 1.3s var(--ease) forwards; }
.js .hero > :nth-child(2) { animation-delay: .1s; } .js .hero > :nth-child(3) { animation-delay: .22s; } .js .hero > :nth-child(4) { animation-delay: .34s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

/* ---------- 设备舞台（滚动驱动） ---------- */
.stage { position: relative; height: 300vh; --p: 1; --pw: clamp(190px, min(20vw, 31vh), 320px); }
.js .stage { --p: 0; }
.stage { --z: clamp(0, calc(var(--p) / .5), 1); --q: clamp(0, calc((var(--p) - .42) / .38), 1); --t: clamp(0, calc((var(--p) - .74) / .2), 1); }
.stage__pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.stage__title { position: absolute; inset: clamp(76px, 12vh, 132px) 0 auto 0; text-align: center; padding-inline: var(--pad); opacity: var(--t); transform: translateY(calc((1 - var(--t)) * 30px)); }
.stage__title .h2 { font-size: clamp(1.75rem, 4.2vw, 3.75rem); }
.devices { position: absolute; inset: 0; }
.iphone {
  position: absolute; left: 50%; top: 54%; width: var(--pw); aspect-ratio: 9 / 19.4; margin: calc(var(--pw) * -1.078) 0 0 calc(var(--pw) * -.5);
  border-radius: 16.5% / 7.7%; padding: calc(var(--pw) * .03); container-type: inline-size;
  background: linear-gradient(145deg, #6E6E73, #2C2C2E 14%, #0E0E0F 50%, #2C2C2E 86%, #636366);
  box-shadow: inset 0 0 0 calc(var(--pw) * .008) #000, 0 60px 90px -40px rgba(40, 34, 28, .55), 0 20px 40px -20px rgba(40, 34, 28, .3);
  will-change: transform;
}
.iphone::before, .iphone::after { content: ""; position: absolute; width: 1.1%; background: #3A3A3C; border-radius: 2px; }
.iphone::before { left: -1.1%; top: 22%; height: 7%; box-shadow: 0 calc(var(--pw) * .2) 0 #3A3A3C; }
.iphone::after { right: -1.1%; top: 27%; height: 11%; }
.iphone--c { z-index: 2; transform: translateY(calc((1 - var(--z)) * 26%)) scale(calc(1 + (1 - var(--z)) * 1.15)); }
.iphone--l, .iphone--r { opacity: var(--q); }
.iphone--l { transform: translateX(calc(var(--q) * -116%)) translateY(calc((1 - var(--q)) * 6%)) scale(calc(.7 + var(--q) * .2)) rotate(calc((1 - var(--q)) * 6deg)); }
.iphone--r { transform: translateX(calc(var(--q) * 116%)) translateY(calc((1 - var(--q)) * 6%)) scale(calc(.7 + var(--q) * .2)) rotate(calc((1 - var(--q)) * -6deg)); }
.stage__caps { position: absolute; left: 50%; bottom: clamp(14px, 3.4vh, 40px); transform: translateX(-50%); display: grid; grid-template-columns: repeat(3, calc(var(--pw) * 1.045)); justify-content: center; text-align: center; opacity: var(--t); font-size: clamp(.75rem, 1vw, .9375rem); color: var(--fg-2); }
.stage__caps b { display: block; color: var(--fg); font-weight: 600; }

/* ---------- 手机屏幕里的界面 ---------- */
.scr { position: relative; height: 100%; border-radius: 14.4% / 6.6%; overflow: hidden; background: #000; color: #fff; font-size: 3.7cqw; line-height: 1.3; letter-spacing: 0; display: flex; flex-direction: column; }
.scr--light { background: #F4F3F0; color: #1C1A18; }
.scr::before { content: ""; position: absolute; top: 3.2cqw; left: 50%; width: 30cqw; height: 9cqw; margin-left: -15cqw; border-radius: 99px; background: #000; z-index: 3; }
.sb { display: flex; justify-content: space-between; align-items: center; padding: 5.6cqw 8.5cqw 0; font-weight: 600; font-size: 4.3cqw; }
.sb span:last-child { display: flex; align-items: center; gap: 1.6cqw; }
.sb .ic { width: 4.6cqw; height: 4.6cqw; }
.sb .ic--batt { width: 7cqw; }
.scr__body { flex: 1; padding: 6cqw 5.6cqw 0; display: flex; flex-direction: column; gap: 3.6cqw; min-height: 0; }
.scr__top { display: flex; justify-content: space-between; align-items: flex-end; }
.scr__top small { display: block; font-size: 3.3cqw; opacity: .55; font-weight: 600; }
.scr__top b { font-size: 8.2cqw; letter-spacing: -.02em; line-height: 1.15; }
.ava { width: 10cqw; height: 10cqw; border-radius: 50%; background: linear-gradient(135deg, #FFC46B, #F2643D); display: grid; place-items: center; font-style: normal; font-weight: 600; font-size: 4.2cqw; color: #fff; }
.card { background: #1C1B1A; border-radius: 5.4cqw; padding: 4.6cqw; }
.scr--light .card { background: #fff; }
.kpi small { opacity: .6; font-size: 3.4cqw; }
.kpi strong { display: block; font-size: 9.6cqw; letter-spacing: -.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.kpi em { font-style: normal; color: var(--green); font-size: 3.3cqw; font-weight: 600; }
.kpi svg { width: 100%; height: 21cqw; margin-top: 2cqw; overflow: visible; }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 3cqw; }
.duo small { display: block; opacity: .6; font-size: 3.2cqw; }
.duo b { font-size: 6.2cqw; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.scr__h { font-weight: 600; font-size: 4.4cqw; margin-top: 1cqw; }
.rows { display: grid; }
.rows li { display: flex; align-items: center; gap: 3.4cqw; padding-block: 2.6cqw; border-bottom: .3cqw solid rgba(255, 255, 255, .1); }
.scr--light .rows li { border-color: rgba(0, 0, 0, .08); }
.rows li:last-child { border: 0; }
.rows i { width: 9.4cqw; height: 9.4cqw; border-radius: 2.8cqw; flex: none; display: grid; place-items: center; color: #fff; font-size: 5cqw; }
.rows span { flex: 1; min-width: 0; }
.rows b { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rows small { opacity: .55; font-size: 3.1cqw; }
.rows em { font-style: normal; font-weight: 600; font-variant-numeric: tabular-nums; }
.tabbar { display: flex; justify-content: space-around; padding: 3cqw 4cqw 7.4cqw; background: rgba(28, 27, 26, .9); border-top: .3cqw solid rgba(255, 255, 255, .1); font-size: 2.6cqw; }
.tabbar span { display: grid; justify-items: center; gap: .8cqw; opacity: .45; }
.tabbar .on { opacity: 1; color: #F2A65A; }
.tabbar .ic { width: 6cqw; height: 6cqw; }
.scr::after { content: ""; position: absolute; left: 50%; bottom: 2cqw; width: 36cqw; height: 1.3cqw; margin-left: -18cqw; border-radius: 9px; background: currentColor; opacity: .9; z-index: 3; }
/* 小程序：预约 */
.capsule { position: absolute; right: 5cqw; top: 14.5cqw; height: 8.4cqw; padding: 0 3cqw; border-radius: 99px; border: .3cqw solid rgba(0, 0, 0, .12); background: rgba(255, 255, 255, .7); display: flex; align-items: center; gap: 2.6cqw; font-size: 4cqw; font-weight: 700; z-index: 2; }
.capsule i { width: .3cqw; height: 4.4cqw; background: rgba(0, 0, 0, .15); }
.capsule u { width: 3.6cqw; height: 3.6cqw; border-radius: 50%; border: .9cqw solid currentColor; text-decoration: none; }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1.4cqw; text-align: center; }
.week li { padding: 2.4cqw 0; border-radius: 3.4cqw; font-weight: 600; font-size: 4.2cqw; }
.week small { display: block; font-size: 2.8cqw; opacity: .5; font-weight: 400; }
.week .on { background: #07C160; color: #fff; }
.week .on small { opacity: .85; }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.2cqw; }
.slots li { text-align: center; padding: 2.8cqw 0; border-radius: 3cqw; background: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }
.slots .off { opacity: .32; text-decoration: line-through; }
.slots .on { background: #E7F8EE; color: #07A050; box-shadow: inset 0 0 0 .5cqw #07C160; }
.svc-card { display: flex; align-items: center; gap: 3.4cqw; }
.svc-card i { width: 13cqw; height: 13cqw; border-radius: 3.6cqw; background: linear-gradient(135deg, #34C759, #07C160); flex: none; display: grid; place-items: center; color: #fff; font-size: 6.4cqw; }
.svc-card span { flex: 1; }
.svc-card b { display: block; font-size: 4.2cqw; }
.svc-card small { opacity: .55; font-size: 3.1cqw; }
.svc-card em { font-style: normal; font-weight: 700; font-size: 4.6cqw; }
.scr__btn { margin: auto 0 9cqw; text-align: center; padding: 3.8cqw; border-radius: 3.8cqw; font-weight: 600; font-size: 4.2cqw; color: #fff; background: #07C160; }
.scr__btn--blue { background: #F28C38; color: #1B0E05; }
/* 报价单 */
.bill li { display: flex; justify-content: space-between; gap: 3cqw; padding-block: 3cqw; border-bottom: .3cqw solid rgba(255, 255, 255, .1); }
.bill li:last-child { border: 0; }
.bill em { font-style: normal; opacity: .6; font-variant-numeric: tabular-nums; }
.bill__total small { opacity: .6; font-size: 3.3cqw; display: block; }
.bill__total strong { font-size: 7.6cqw; letter-spacing: -.03em; line-height: 1.2; font-variant-numeric: tabular-nums; }
.bill__meta { display: flex; justify-content: space-between; font-size: 3.4cqw; opacity: .7; }

/* ---------- 逐字点亮 ---------- */
.lit { padding-block: clamp(96px, 20vh, 240px); }
.lit p { font-family: var(--serif); font-size: clamp(1.75rem, 4.4vw, 4.25rem); font-weight: 900; line-height: 1.3; letter-spacing: 0; max-width: 19em; margin-inline: auto; color: var(--fg-3); }
.lit p span { transition: color .35s; }
.lit p span.on { color: var(--fg); }

/* ---------- 亮点拼贴 ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(12px, 1.4vw, 20px); }
.tile { position: relative; background: var(--tile); border-radius: clamp(20px, 2.2vw, 30px); overflow: hidden; display: flex; flex-direction: column; min-height: clamp(380px, 38vw, 560px); isolation: isolate; }
.tile__copy { padding: clamp(24px, 3vw, 48px) clamp(24px, 3vw, 48px) 0; display: grid; gap: 8px; }
.tile__copy small { font-size: clamp(.875rem, 1.1vw, 1.0625rem); font-weight: 600; color: var(--fg-2); }
.tile__copy h3 { font-family: var(--serif); font-size: clamp(1.5rem, 2.5vw, 2.5rem); font-weight: 900; line-height: 1.2; letter-spacing: 0; }
.tile__copy p { color: var(--fg-2); font-size: clamp(.875rem, 1.05vw, 1.0625rem); max-width: 26em; }
.tile__art { flex: 1; position: relative; min-height: 200px; transition: transform 1s var(--ease); }
.tile:hover .tile__art { transform: scale(1.03); }
.tile__go { position: absolute; right: clamp(16px, 1.6vw, 24px); bottom: clamp(16px, 1.6vw, 24px); width: 36px; height: 36px; border-radius: 50%; background: rgba(28, 26, 24, .08); display: grid; place-items: center; z-index: 3; transition: background .3s, transform .4s var(--ease); }
.tile__go::after { content: ""; position: absolute; inset: -600px; }
.tile__go .ic { width: 18px; height: 18px; stroke-width: 2.4; transition: transform .4s var(--ease); }
.tile:hover .tile__go { background: var(--blue-btn); color: var(--on-btn); }
.tile:hover .tile__go .ic { transform: rotate(90deg); }
.t-app { grid-column: span 4; }
.t-mini { grid-column: span 2; }
.t-web, .t-sys { grid-column: span 3; }
.t-ai { grid-column: span 6; min-height: clamp(340px, 30vw, 460px); flex-direction: row; align-items: center; }
.t-ai .tile__copy { flex: 1; padding-bottom: clamp(24px, 3vw, 48px); }
.t-ai .tile__copy h3 { font-size: clamp(1.75rem, 3.6vw, 3.75rem); }

/* App：图标阵列 */
.icons { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2.4vw, 36px); padding-bottom: 6%; }
.icons i { width: clamp(72px, 11vw, 168px); aspect-ratio: 1; border-radius: 23%; display: grid; place-items: center; color: #fff; font-size: clamp(34px, 5vw, 76px); box-shadow: 0 30px 60px -24px var(--sh), inset 0 1.5px 0 rgba(255, 255, 255, .35); animation: bob 7s ease-in-out infinite; }
.icons i:nth-child(1) { background: linear-gradient(160deg, #FFD08A, #F28C38); --sh: #F28C38; }
.icons i:nth-child(2) { background: linear-gradient(160deg, #FF9A6B, #D9412F); --sh: #D9412F; animation-delay: -2.3s; }
.icons i:nth-child(3) { background: linear-gradient(160deg, #F4F2EE, #C9C5BE); --sh: #A8A39B; color: #1C1A18; animation-delay: -4.6s; }
.icons i:nth-child(4) { background: linear-gradient(160deg, #55514D, #1C1A18); --sh: #1C1A18; animation-delay: -1.2s; }
.icons .ic { stroke-width: 1.7; }
@keyframes bob { 50% { translate: 0 -12px; } }
/* 小程序：扫码 */
.scan { position: absolute; inset: 0; display: grid; place-items: center; padding-bottom: 8%; }
.scan svg { width: min(58%, 230px); height: auto; overflow: visible; }
.scan circle { fill: #07C160; }
.scan .ring { fill: none; stroke: #07C160; stroke-width: 1.5; transform-origin: 50% 50%; animation: ping 3s ease-out infinite; }
.scan .ring + .ring { animation-delay: 1.5s; }
@keyframes ping { from { transform: scale(.72); opacity: .7; } to { transform: scale(1.25); opacity: 0; } }
/* Web：后台窗口 */
.win { position: absolute; left: clamp(24px, 3vw, 48px); right: -8%; top: 10%; bottom: -12%; background: #fff; color: #1D1D1F; border-radius: 12px 12px 0 0; overflow: hidden; box-shadow: 0 30px 70px -24px rgba(40, 34, 28, .35), 0 0 0 1px rgba(28, 26, 24, .08); font-size: 11px; letter-spacing: 0; display: grid; grid-template-rows: auto 1fr; }
.win__bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: #F2F2F7; border-bottom: 1px solid #E5E5EA; }
.win__bar i { width: 9px; height: 9px; border-radius: 50%; background: #FF5F57; } .win__bar i:nth-child(2) { background: #FEBC2E; } .win__bar i:nth-child(3) { background: #28C840; }
.win__bar span { margin-left: 12px; padding: 3px 14px; border-radius: 6px; background: #fff; color: #86868B; font-size: 10px; }
.win__body { display: grid; grid-template-columns: 104px 1fr; min-height: 0; }
.win__side { background: #FAFAFC; border-right: 1px solid #EFEFF4; padding: 12px 8px; display: grid; gap: 2px; align-content: start; }
.win__side b { padding: 2px 8px 8px; font-size: 12px; }
.win__side span { padding: 6px 8px; border-radius: 6px; color: #6E6E73; }
.win__side .on { background: #FCEFE4; color: #C2581A; font-weight: 600; }
.win__main { padding: 14px; display: grid; gap: 10px; align-content: start; }
.win__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.win__kpis div { border: 1px solid #EFEFF4; border-radius: 8px; padding: 9px 10px; }
.win__kpis small { color: #86868B; display: block; }
.win__kpis b { font-size: 17px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.win__kpis em { font-style: normal; color: #28A745; font-size: 10px; margin-left: 4px; }
.win__chart { border: 1px solid #EFEFF4; border-radius: 8px; padding: 10px; }
.win__chart svg { width: 100%; height: 90px; overflow: visible; }
/* 系统：连线图 */
.graph { position: absolute; inset: 0; }
.graph svg { width: 100%; height: 100%; }
.graph line { stroke: rgba(28, 26, 24, .28); stroke-width: 1.2; stroke-dasharray: 4 6; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -20; } }
.graph .node rect { fill: #F7F6F3; stroke: rgba(28, 26, 24, .14); }
.graph .node text { fill: #1C1A18; font-size: 13px; font-weight: 600; text-anchor: middle; dominant-baseline: central; font-family: var(--sans); }
.graph .core rect { fill: #F28C38; stroke: none; }
.graph .core text { fill: #1B0E05; }
/* AI：对话 */
.chat { flex: 1; align-self: stretch; display: flex; flex-direction: column; justify-content: center; gap: 12px; padding: clamp(24px, 3vw, 48px); font-size: clamp(.875rem, 1.1vw, 1.0625rem); min-width: 0; }
.chat p { max-width: 86%; padding: .75em 1.1em; border-radius: 20px; line-height: 1.45; }
.chat .me { align-self: flex-end; background: #F28C38; color: #1B0E05; border-bottom-right-radius: 6px; }
.chat .ai { align-self: flex-start; background: #F0EEEA; border-bottom-left-radius: 6px; min-height: 2.9em; }
.chat .ai::after { content: ""; display: inline-block; width: 2px; height: 1.05em; margin-left: 2px; vertical-align: -.16em; background: currentColor; animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.t-ai::before { content: ""; position: absolute; z-index: -1; inset: auto -10% -70% 30%; height: 120%; background: var(--grad); filter: blur(90px); opacity: .28; }

/* ---------- 在线定制演示 ---------- */
.demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 6vw, 112px); align-items: center; }
.demo__copy { display: grid; gap: clamp(16px, 2vw, 28px); justify-items: start; }
.cfg { background: var(--tile); border-radius: clamp(20px, 2.2vw, 30px); padding: clamp(20px, 2.6vw, 40px); box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .3); display: grid; gap: clamp(16px, 1.8vw, 24px); }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: #ECEAE6; border-radius: 10px; padding: 2px; position: relative; }
.seg button { border: 0; background: none; cursor: pointer; padding: 8px 6px; font-size: .9375rem; font-weight: 500; border-radius: 8px; position: relative; z-index: 1; }
.seg i { position: absolute; top: 2px; bottom: 2px; left: 2px; width: calc((100% - 4px) / 3); border-radius: 8px; background: #fff; box-shadow: 0 3px 8px rgba(0, 0, 0, .12), 0 0 0 .5px rgba(0, 0, 0, .04); transition: transform .45s var(--ease); transform: translateX(calc(var(--i, 0) * 100%)); }
.toggles li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 13px; border-bottom: 1px solid var(--line); }
.toggles li:last-child { border: 0; }
.toggles b { font-weight: 500; display: block; }
.toggles small { color: var(--fg-2); font-size: .8125rem; }
.sw { position: relative; width: 51px; height: 31px; flex: none; cursor: pointer; }
.sw input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; width: 100%; height: 100%; }
.sw i { position: absolute; inset: 0; border-radius: 99px; background: #E2DFDA; transition: background .3s; pointer-events: none; }
.sw i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff; box-shadow: 0 3px 8px rgba(0, 0, 0, .15), 0 1px 1px rgba(0, 0, 0, .12); transition: transform .35s var(--ease); }
.sw input:checked + i { background: #F28C38; }
.sw input:checked + i::after { transform: translateX(20px); }
.sw input:focus-visible + i { outline: 2px solid var(--blue); outline-offset: 2px; }
.cfg__total { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 4px; }
.cfg__total small { color: var(--fg-2); display: block; font-size: .8125rem; }
.cfg__total strong { font-family: var(--serif); font-size: clamp(1.75rem, 3vw, 2.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }

/* ---------- 流程 ---------- */
.rail { display: flex; gap: clamp(12px, 1.4vw, 20px); overflow-x: auto; scroll-snap-type: x mandatory; padding-inline: max(var(--pad), calc((100vw - 1440px) / 2 + var(--pad))); scroll-padding-inline: max(var(--pad), calc((100vw - 1440px) / 2 + var(--pad))); scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.step { flex: none; width: clamp(280px, 30vw, 420px); min-height: clamp(360px, 34vw, 480px); scroll-snap-align: start; background: var(--tile); border-radius: clamp(20px, 2.2vw, 30px); padding: clamp(24px, 2.6vw, 40px); display: flex; flex-direction: column; gap: 10px; }
.step__no { font-family: var(--serif); font-size: clamp(4rem, 7vw, 6.5rem); font-weight: 700; letter-spacing: -.02em; line-height: 1; margin-bottom: auto; color: var(--fg-3); transition: color .6s; }
.step:hover .step__no { color: var(--fg); }
.step h3 { font-family: var(--serif); font-size: clamp(1.375rem, 1.9vw, 1.875rem); font-weight: 900; letter-spacing: 0; }
.step p { color: var(--fg-2); }
.step small { color: var(--blue); font-weight: 600; font-size: .875rem; margin-top: 6px; }
.rail-nav { display: flex; justify-content: flex-end; gap: 14px; margin-top: 24px; }
.rail-nav button { width: 36px; height: 36px; border-radius: 50%; border: 0; cursor: pointer; background: rgba(28, 26, 24, .08); color: var(--fg); display: grid; place-items: center; transition: background .3s, opacity .3s; }
.rail-nav button:hover { background: rgba(28, 26, 24, .16); }
.rail-nav button:disabled { opacity: .3; cursor: default; }
.rail-nav .ic { width: 16px; height: 16px; stroke-width: 2.6; }
.rail-nav button:first-child .ic { transform: rotate(180deg); }

/* ---------- 数字 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(28px, 4vw, 64px) clamp(16px, 3vw, 48px); }
.stat small { display: block; font-size: clamp(.9375rem, 1.2vw, 1.1875rem); font-weight: 600; color: var(--fg-2); }
.stat strong { display: block; font-family: var(--serif); font-size: clamp(3.5rem, 8.2vw, 7.5rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.stat strong sup { font-size: .36em; letter-spacing: 0; margin-left: .1em; vertical-align: .95em; line-height: 0; }
.stat p { font-size: clamp(.9375rem, 1.2vw, 1.1875rem); font-weight: 600; max-width: 13em; }

/* ---------- FAQ ---------- */
.faq { max-width: 980px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: clamp(18px, 2vw, 26px) 0; font-size: clamp(1.125rem, 1.6vw, 1.5rem); font-weight: 600; letter-spacing: -.015em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { position: relative; width: 20px; height: 20px; flex: none; transition: transform .5s var(--ease); }
.faq summary i::before, .faq summary i::after { content: ""; position: absolute; left: 2px; right: 2px; top: 50%; height: 1.5px; margin-top: -.75px; background: currentColor; }
.faq summary i::after { transform: rotate(90deg); transition: transform .5s var(--ease); }
.faq details[open] summary i { transform: rotate(180deg); }
.faq details[open] summary i::after { transform: rotate(0); }
.faq details > div { overflow: hidden; }
.faq details p { color: var(--fg-2); max-width: 44em; padding-bottom: clamp(18px, 2vw, 26px); }

/* ---------- 联系 ---------- */
.contact { text-align: center; }
.contact .sec-head { justify-items: center; }
.form { max-width: 720px; margin-inline: auto; text-align: left; background: var(--tile); border-radius: clamp(20px, 2.2vw, 30px); padding: clamp(22px, 3vw, 48px); display: grid; gap: 22px; }
.form legend { font-size: .8125rem; color: var(--fg-2); margin-bottom: 12px; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; position: relative; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: block; padding: .5em 1.1em; border-radius: 99px; box-shadow: inset 0 0 0 1px rgba(28, 26, 24, .22); font-size: .9375rem; transition: background .3s, color .3s, box-shadow .3s, transform .3s var(--ease); }
.chips label:hover span { box-shadow: inset 0 0 0 1px var(--fg); }
.chips label:active span { transform: scale(.96); }
.chips input:checked + span { background: var(--fg); color: #F7F6F3; box-shadow: none; }
.chips input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 3px; }
.field { position: relative; }
.field input, .field textarea { width: 100%; background: rgba(28, 26, 24, .035); border: 0; box-shadow: inset 0 0 0 1px rgba(28, 26, 24, .14); border-radius: 12px; padding: 1.55em 1em .55em; outline: none; resize: vertical; transition: box-shadow .3s; display: block; }
.field label { position: absolute; left: 1em; top: 1.05em; color: var(--fg-2); pointer-events: none; transform-origin: 0 0; transition: transform .35s var(--ease); }
.field input:focus, .field textarea:focus { box-shadow: inset 0 0 0 2px var(--blue-btn); }
.field :is(input, textarea):focus + label, .field :is(input, textarea):not(:placeholder-shown) + label { transform: translateY(-.68em) scale(.72); }
.field.is-error :is(input, textarea) { box-shadow: inset 0 0 0 2px var(--danger); }
.form__foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form__msg, .q__msg { font-size: .875rem; color: var(--fg-2); flex: 1; min-width: 12em; }
.form__msg.is-error, .q__msg.is-error { color: var(--danger); }
.form__msg.is-ok, .q__msg.is-ok { color: var(--green); }
.ways { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 40px; margin-top: 36px; color: var(--fg-2); font-size: .9375rem; }
.ways a { color: var(--blue); }
.ways a:hover { text-decoration: underline; }

/* ---------- 页脚 ---------- */
.footer { background: #EEECE7; color: var(--fg-2); font-size: .75rem; padding-block: 22px 26px; }
.footer p { padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.footer__row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 28px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer a { color: var(--fg); }
.footer a:hover { text-decoration: underline; }

/* ---------- 定制报价页 ---------- */
.q { padding-top: clamp(96px, 13vh, 150px); padding-bottom: clamp(72px, 9vw, 140px); }
.q__head { display: grid; gap: 12px; margin-bottom: clamp(32px, 4vw, 60px); }
.q__head .h2 { font-size: clamp(2.25rem, 5vw, 4.5rem); }
.q__grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(300px, 1fr); gap: clamp(24px, 4vw, 64px); align-items: start; }
.q__steps { margin: 0 0 clamp(24px, 3vw, 44px); display: flex; gap: 6px; }
.q__steps li { flex: 1; min-width: 0; }
.q__steps button { width: 100%; text-align: left; background: none; border: 0; border-top: 2px solid var(--fg-3); padding: 12px 0 0; cursor: pointer; display: grid; gap: 2px; color: var(--fg-2); transition: color .3s, border-color .4s; }
.q__steps button small { font-size: .6875rem; font-variant-numeric: tabular-nums; }
.q__steps button span { font-size: .875rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.q__steps li.is-done button { border-color: var(--fg); color: var(--fg); }
.q__steps li.is-on button { border-color: var(--blue-btn); color: var(--fg); }
.q__steps button:disabled { cursor: default; }
.q__panel { min-height: 380px; }
.q__panel > * { animation: qIn .6s var(--ease) both; }
@keyframes qIn { from { opacity: 0; transform: translateY(18px); } }
.q__title { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.5rem); font-weight: 900; letter-spacing: 0; line-height: 1.15; margin-bottom: 6px; }
.q__sub { color: var(--fg-2); margin-bottom: clamp(18px, 2vw, 28px); }
.q__group { font-size: .8125rem; font-weight: 600; color: var(--fg-2); margin: 26px 0 12px; }
.opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 12px; }
.opts--lg { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.opt { position: relative; cursor: pointer; display: block; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt__box { height: 100%; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-content: start; padding: 18px; border-radius: 18px; background: var(--tile); box-shadow: inset 0 0 0 1px rgba(28, 26, 24, .1); transition: box-shadow .3s, background .3s, transform .3s var(--ease); }
.opt:hover .opt__box { box-shadow: inset 0 0 0 1px rgba(28, 26, 24, .45); }
.opt:active .opt__box { transform: scale(.985); }
.opt__name { font-weight: 600; font-size: 1.0625rem; }
.opt__check { width: 22px; height: 22px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--fg-3); display: grid; place-items: center; transition: background .3s, box-shadow .3s; }
.opt__check::after { content: ""; width: 9px; height: 5px; border: solid #1B0E05; border-width: 0 0 2px 2px; transform: rotate(-45deg) scale(0); margin-top: -2px; transition: transform .35s var(--ease); }
.opt__desc { grid-column: 1 / -1; color: var(--fg-2); font-size: .875rem; line-height: 1.5; }
.opt__price { grid-column: 1 / -1; font-size: .8125rem; margin-top: 8px; color: var(--fg-2); font-variant-numeric: tabular-nums; }
.opt input:checked + .opt__box { box-shadow: inset 0 0 0 2px var(--blue-btn); background: #FDF3EA; }
.opt input:checked + .opt__box .opt__check { background: var(--blue-btn); box-shadow: none; }
.opt input:checked + .opt__box .opt__check::after { transform: rotate(-45deg) scale(1); }
.opt input:checked + .opt__box .opt__price { color: var(--blue); }
.opt input:focus-visible + .opt__box { outline: 2px solid var(--blue); outline-offset: 3px; }
.q__nav { display: flex; align-items: center; gap: 14px; margin-top: clamp(24px, 3vw, 44px); padding-top: 20px; border-top: 1px solid var(--line); }
.q__nav .q__live { margin-right: auto; display: none; font-weight: 600; font-variant-numeric: tabular-nums; }
.q__nav .q__err { margin-right: auto; color: var(--danger); font-size: .875rem; }
.q__sum { position: sticky; top: 72px; background: var(--tile); border-radius: 26px; padding: clamp(22px, 2.2vw, 34px); display: grid; gap: 16px; }
.q__sum-head { display: flex; justify-content: space-between; font-size: .8125rem; font-weight: 600; color: var(--fg-2); }
.q__sum-head span:last-child { color: var(--green); display: inline-flex; align-items: center; gap: .45em; }
.q__sum-head span:last-child::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: caret 1.6s ease-in-out infinite; }
.q__total { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.q__total small { font-size: .8125rem; color: var(--fg-2); display: block; margin-bottom: 2px; }
.q__total strong { display: block; font-family: var(--serif); font-size: clamp(1.75rem, 2.7vw, 2.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.q__meta { display: flex; justify-content: space-between; font-size: .875rem; color: var(--fg-2); }
.q__meta b { font-weight: 600; color: var(--fg); }
.q__lines { display: grid; max-height: 30vh; overflow: auto; margin-right: -8px; padding-right: 8px; scrollbar-width: thin; border-top: 1px solid var(--line); }
.q__lines li { display: flex; justify-content: space-between; gap: 16px; padding-block: 9px; border-bottom: 1px solid var(--line); font-size: .875rem; animation: qIn .45s var(--ease) both; }
.q__lines li span:last-child { color: var(--fg-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.q__lines .is-empty { color: var(--fg-2); border: 0; }
.q__note { font-size: .75rem; color: var(--fg-2); line-height: 1.6; }
.q__form { display: grid; gap: 16px; max-width: 620px; }
.q__actions { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.q__pay { border-radius: 14px; background: var(--tile); padding: 16px 18px; font-size: .875rem; color: var(--fg-2); display: grid; gap: 4px; }
.q__pay b { color: var(--fg); font-size: 1rem; }

/* ---------- 英文排版 ---------- */
[data-lang="en"] .h1 { letter-spacing: -.02em; font-size: clamp(3rem, 9vw, 8.5rem); font-weight: 700; }
[data-lang="en"] .h2 { letter-spacing: -.015em; font-weight: 700; }
[data-lang="en"] .lit p { letter-spacing: -.01em; font-weight: 700; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .t-app, .t-mini, .t-web, .t-sys { grid-column: span 3; }
  .t-ai { flex-direction: column; align-items: stretch; }
  .t-ai .tile__copy { padding-bottom: 0; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo, .q__grid { grid-template-columns: minmax(0, 1fr); }
  .q__sum { position: static; }
  .q__nav .q__live { display: block; }
}
@media (max-width: 760px) {
  .nav__links { display: none; }
  .burger { display: block; }
  .stage { --pw: clamp(170px, min(46vw, 30vh), 260px); height: 260vh; }
  .iphone--l { transform: translateX(calc(var(--q) * -84%)) scale(calc(.6 + var(--q) * .22)); }
  .iphone--r { transform: translateX(calc(var(--q) * 84%)) scale(calc(.6 + var(--q) * .22)); }
  .iphone--c { transform: translateY(calc((1 - var(--z)) * 2%)) scale(calc(1 + (1 - var(--z)) * .55)); }
  .hero { padding-bottom: 8px; }
  .stage__caps { grid-template-columns: repeat(3, calc(var(--pw) * .72)); }
  .t-app, .t-mini, .t-web, .t-sys { grid-column: span 6; }
  .tile { min-height: 400px; }
  .icons { gap: 10px; padding-inline: 16px; }
  .icons i { width: auto; flex: 1; max-width: 84px; font-size: 32px; }
  .q__steps button span { display: none; }
  .q__nav { flex-wrap: wrap; }
  .q__nav .q__live, .q__nav .q__err { width: 100%; }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .rv, .js .hero > * { opacity: 1; transform: none; }
  .stage { height: auto; }
  .js .stage { --p: 1; }
  .stage__pin { position: relative; }
  .lit p span { color: var(--fg); }
}

/* 浅色底上的卡片：加一层很淡的投影，和背景拉开层次 */
.tile, .step, .form, .q__sum { box-shadow: 0 1px 0 rgba(255, 255, 255, .8) inset, 0 24px 48px -36px rgba(40, 34, 28, .28); }
.stage__caps, .stage__title { color: var(--fg); }

/* ---------- 去装饰：平面、细线、少圆角 ---------- */
.pill { border-radius: 8px; background: var(--fg); color: var(--bg); font-weight: 500; }
.pill:hover { background: var(--blue-btn); color: var(--on-btn); }
.pill--sm { border-radius: 6px; }
.pill--ghost { background: none; color: var(--fg); box-shadow: inset 0 0 0 1px var(--fg-3); }
.pill--ghost:hover { background: var(--fg); color: var(--bg); }
.grad { background: none; color: inherit; -webkit-text-fill-color: currentColor; }
.cfg, .form, .q__sum { border-radius: 14px; box-shadow: none; border: 1px solid var(--line); }
.opt__box { border-radius: 10px; }
.q__pay { border-radius: 10px; border: 1px solid var(--line); }
.field input, .field textarea { border-radius: 8px; }

/* 服务：细线分隔的清单 */
.svc { border-top: 1px solid var(--fg); }
.svc li { border-bottom: 1px solid var(--line); }
.svc__row {
  display: grid; grid-template-columns: 72px minmax(0, 1.1fr) minmax(0, 1.9fr) minmax(0, 1fr) 28px;
  gap: clamp(16px, 3vw, 56px); align-items: baseline; padding: clamp(24px, 2.8vw, 44px) 0;
  transition: padding .5s var(--ease);
}
.svc__no { font-family: var(--serif); font-size: 1.0625rem; color: var(--fg-2); font-variant-numeric: tabular-nums; transition: color .3s; }
.svc__row h3 { font-family: var(--serif); font-size: clamp(1.75rem, 3.2vw, 3rem); font-weight: 900; line-height: 1.15; }
.svc__row p { color: var(--fg-2); max-width: 30em; }
.svc__meta { display: grid; gap: 2px; font-size: .875rem; color: var(--fg-2); }
.svc__meta span:first-child { color: var(--fg); }
.svc__arr { width: 24px; height: 24px; align-self: center; stroke-width: 1.6; color: var(--fg-3); transition: transform .5s var(--ease), color .3s; }
@media (hover: hover) {
  .svc__row:hover { padding-left: 16px; }
  .svc__row:hover .svc__no { color: var(--blue); }
  .svc__row:hover .svc__arr { color: var(--fg); transform: translate(4px, -4px); }
}

/* 流程：分栏列表 */
.plan { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(36px, 5vw, 72px) clamp(24px, 4vw, 64px); }
.plan li { border-top: 1px solid var(--fg); padding-top: 18px; display: grid; gap: 10px; align-content: start; }
.plan__no { font-family: var(--serif); font-size: 1.0625rem; color: var(--fg-2); font-variant-numeric: tabular-nums; }
.plan h3 { font-family: var(--serif); font-size: clamp(1.375rem, 2vw, 1.875rem); font-weight: 900; }
.plan p { color: var(--fg-2); max-width: 26em; }
.plan small { font-size: .875rem; color: var(--blue); font-weight: 600; }

@media (max-width: 1000px) {
  .svc__row { grid-template-columns: 48px minmax(0, 1fr) minmax(0, 1.6fr) 24px; }
  .svc__meta { display: none; }
  .plan { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .svc__row { grid-template-columns: 36px minmax(0, 1fr) 22px; row-gap: 8px; }
  .svc__row p { grid-column: 2 / -1; grid-row: 2; }
  .plan { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 标题逐行升起 ---------- */
.ln { display: block; overflow: hidden; padding-block: .14em; margin-block: -.14em; }
.ln > span { display: block; }
.js .ln > span { transform: translateY(112%); transition: transform 1.2s var(--ease) calc(var(--i, 0) * .1s); }
.js .in .ln > span, .js .in.ln > span { transform: none; }
.js .rv[data-mask] { opacity: 1; transform: none; }
.js .hero > .h1 { animation: none; opacity: 1; transform: none; }

/* ---------- 演示影片 ---------- */
.film { position: relative; height: 240vh; --f: 1; }
.js .film { --f: 0; }
.film__pin { position: sticky; top: 0; height: 100vh; height: 100svh; }
.film__frame {
  position: absolute; inset: 0; background: #0B0B0A; color: #F4F2EE; overflow: hidden;
  clip-path: inset(calc((1 - var(--f)) * 13vh) calc((1 - var(--f)) * 11vw) round calc((1 - var(--f)) * 22px));
  --dur: 15s;
}
.film__frame::before {
  content: ""; position: absolute; inset: -50%; z-index: 4; pointer-events: none; opacity: .09;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain .9s steps(6) infinite;
}
@keyframes grain { to { transform: translate3d(6%, -4%, 0); } }
.film__frame::after { content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, .55)); }
.film__scene { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: clamp(32px, 7vw, 120px); padding: 14vh 14vw; opacity: 0; animation: var(--dur) linear infinite; }
.film__scene > small, .film__col > small { display: block; font-size: clamp(.8125rem, 1.1vw, 1.0625rem); color: #9A968F; margin-bottom: clamp(12px, 1.6vw, 24px); letter-spacing: .04em; }
.s1 { flex-direction: column; text-align: center; gap: 0; animation-name: sc1; }
.s2 { animation-name: sc2; }
.s3 { animation-name: sc3; }
@keyframes sc1 { 0% { opacity: 0; transform: scale(1.05); } 3%, 27% { opacity: 1; } 30% { opacity: 0; transform: scale(1); } 100% { opacity: 0; } }
@keyframes sc2 { 0%, 30% { opacity: 0; transform: scale(1.05); } 33%, 63% { opacity: 1; } 66% { opacity: 0; transform: scale(1); } 100% { opacity: 0; } }
@keyframes sc3 { 0%, 66% { opacity: 0; transform: scale(1.05); } 69%, 96% { opacity: 1; } 100% { opacity: 0; transform: scale(1); } }
.film__type { font-family: var(--serif); font-weight: 900; font-size: clamp(2rem, 5.6vw, 5.5rem); line-height: 1.2; white-space: nowrap; clip-path: inset(0 100% 0 0); animation: typing var(--dur) linear infinite; }
@keyframes typing { 0%, 4% { clip-path: inset(0 100% 0 0); animation-timing-function: steps(12); } 16%, 100% { clip-path: inset(0 0 0 0); } }
.film__price { position: relative; font-family: var(--serif); font-weight: 700; font-size: clamp(2.5rem, 7vw, 7rem); line-height: 1; height: 1em; min-width: 5.2em; font-variant-numeric: tabular-nums; }
.film__price span { position: absolute; left: 0; top: 0; opacity: 0; animation: var(--dur) steps(1) infinite; }
.film__price span:nth-child(1) { animation-name: pr1; } .film__price span:nth-child(2) { animation-name: pr2; }
.film__price span:nth-child(3) { animation-name: pr3; } .film__price span:nth-child(4) { animation-name: pr4; color: #F0934C; }
@keyframes pr1 { 0% { opacity: 1; } 39%, 100% { opacity: 0; } }
@keyframes pr2 { 0% { opacity: 0; } 39% { opacity: 1; } 46%, 100% { opacity: 0; } }
@keyframes pr3 { 0% { opacity: 0; } 46% { opacity: 1; } 53%, 100% { opacity: 0; } }
@keyframes pr4 { 0% { opacity: 0; } 53% { opacity: 1; } 100% { opacity: 1; } }
.film__cfg { width: min(38vw, 440px); border-top: 1px solid rgba(244, 242, 238, .2); font-size: clamp(1rem, 1.5vw, 1.375rem); }
.film__cfg li { display: flex; justify-content: space-between; align-items: center; padding-block: clamp(14px, 1.8vw, 26px); border-bottom: 1px solid rgba(244, 242, 238, .2); }
.fsw { position: relative; width: 51px; height: 31px; border-radius: 99px; background: #3A3936; flex: none; animation: var(--dur) steps(1) infinite; }
.fsw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff; animation: var(--dur) linear infinite; }
.f1 { animation-name: bg1; } .f1::after { animation-name: kn1; }
.f2 { animation-name: bg2; } .f2::after { animation-name: kn2; }
.f3 { animation-name: bg3; } .f3::after { animation-name: kn3; }
@keyframes bg1 { 0% { background: #3A3936; } 39%, 100% { background: #EC7C30; } }
@keyframes bg2 { 0% { background: #3A3936; } 46%, 100% { background: #EC7C30; } }
@keyframes bg3 { 0% { background: #3A3936; } 53%, 100% { background: #EC7C30; } }
@keyframes kn1 { 0%, 37.5% { transform: none; } 39.5%, 100% { transform: translateX(20px); } }
@keyframes kn2 { 0%, 44.5% { transform: none; } 46.5%, 100% { transform: translateX(20px); } }
@keyframes kn3 { 0%, 51.5% { transform: none; } 53.5%, 100% { transform: translateX(20px); } }
.film__big { font-family: var(--serif); font-weight: 900; font-size: clamp(3.5rem, 11vw, 11rem); line-height: 1; }
.film__phone { width: clamp(150px, min(17vw, 30vh), 260px); aspect-ratio: 9 / 19.4; border-radius: 16.5% / 7.7%; padding: 5px; background: linear-gradient(145deg, #6E6E73, #2C2C2E 14%, #0E0E0F 50%, #2C2C2E 86%, #636366); container-type: inline-size; flex: none; animation: rise var(--dur) var(--ease) infinite; }
@keyframes rise { 0%, 66% { transform: translateY(18%) rotate(6deg); } 76%, 100% { transform: none; } }
.film__hud { position: absolute; z-index: 5; left: clamp(20px, 3vw, 44px); right: clamp(20px, 3vw, 44px); bottom: clamp(26px, 3.4vw, 46px); display: flex; justify-content: space-between; font-size: .75rem; color: #9A968F; font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.film__hud > span:first-child { display: inline-flex; align-items: center; gap: .6em; }
.film__hud i { width: 7px; height: 7px; border-radius: 50%; background: #EC7C30; animation: caret 1.4s ease-in-out infinite; }
.film__bar { position: absolute; z-index: 5; left: clamp(20px, 3vw, 44px); right: clamp(20px, 3vw, 44px); bottom: clamp(14px, 1.8vw, 24px); height: 2px; background: rgba(244, 242, 238, .18); }
.film__bar i { display: block; height: 100%; background: #F4F2EE; transform-origin: 0 50%; animation: bar var(--dur) linear infinite; }
@keyframes bar { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- 服务行的跟随预览 ---------- */
.peek { position: fixed; left: 0; top: 0; z-index: 40; width: 300px; height: 380px; margin: -190px 0 0 28px; border-radius: 12px; overflow: hidden; pointer-events: none; background: #0B0B0A; opacity: 0; transform: translate3d(var(--x, 0), var(--y, 0), 0); transition: opacity .35s, scale .5s var(--ease); scale: .88; box-shadow: 0 40px 80px -30px rgba(28, 26, 24, .45); }
.peek.on { opacity: 1; scale: 1; }
.peek__pane { position: absolute; inset: 0; opacity: 0; transition: opacity .35s; container-type: inline-size; }
.peek__pane.on { opacity: 1; }
.peek__pane[data-k="web"], .peek__pane[data-k="system"], .peek__pane[data-k="ai"] { background: #F0EEEA; }
.peek__pane > .scr { position: absolute; left: 9%; right: 9%; top: 7%; height: auto; aspect-ratio: 9 / 19; border-radius: 26px; }
.peek .win { left: 22px; right: -150px; top: 34px; bottom: -40px; box-shadow: 0 20px 40px -20px rgba(28, 26, 24, .35); }
.peek .chat { height: 100%; padding: 24px; font-size: .9375rem; }
.peek .chat .ai::after { display: none; }
@media (hover: none), (pointer: coarse) { .peek { display: none; } }

@media (max-width: 760px) {
  .film { height: 200vh; }
  .film__scene { padding: 16vh 8vw; flex-direction: column; text-align: center; gap: 28px; }
  .film__cfg { width: 100%; }
  .film__type { white-space: normal; clip-path: none; animation: none; }
  .film__price { margin-inline: auto; }
  .film__price span { left: 50%; translate: -50% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .js .ln > span { transform: none; }
  .js .film { --f: 1; }
  .film { height: auto; }
  .film__pin { position: relative; }
  .film__scene, .film__type, .film__price span, .fsw, .fsw::after, .film__phone, .film__bar i, .film__frame::before { animation: none; }
  .s3 { opacity: 1; }
}
[data-lang="en"] .film__type { font-size: clamp(1.5rem, 4vw, 4rem); font-weight: 700; }
[data-lang="en"] .film__big { font-weight: 700; }
[data-lang="en"] .svc__row h3, [data-lang="en"] .plan h3, [data-lang="en"] .q__title { font-weight: 700; }
[data-lang="en"] .svc__row h3 { font-size: clamp(1.5rem, 2.6vw, 2.5rem); }