/* ============ 赤华官网 · 设计规范 ============
   颜色：夜 #07142E（深色章节）、晨 #EEF4FB（浅色章节）、赤华蓝 #1677FF（产品与按钮）、
         暮紫 #6A4BDA（品牌渐变的另一端）、赤 #FF4B2B（只用于"发现问题"）、墨 #0C1A33（正文）。
   字体：标题用思源黑体 Heavy（子集化后放在 fonts/），正文用系统中文字体。
   版式：12 栏，内容最宽 1240px，文字一律左对齐。
*/
@font-face {
  font-family: "Chihua Display";
  src: url("../fonts/chihua-display-900.woff") format("woff");
  font-weight: 900;
  font-display: swap;
}
@font-face {
  font-family: "Chihua Display";
  src: url("../fonts/chihua-display-700.woff") format("woff");
  font-weight: 700;
  font-display: swap;
}

:root {
  --night: #07142e;
  --night-2: #0d1f45;
  --dawn: #eef4fb;
  --paper: #ffffff;
  --ink: #0c1a33;
  --ink-2: #33415c;
  --mute: #5d6b85;
  --line: #dfe6f1;
  --blue: #1677ff;
  --blue-deep: #0b55d9;
  --violet: #6a4bdb;
  --chi: #ff4b2b;
  --green: #12a670;
  --amber: #f29a1f;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
  --display: "Chihua Display", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius-lg: 28px;
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, picture { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 3px solid #7fb2ff; outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--paper); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.todo { color: #c68a1c; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- 文字 ---------- */
.display {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(48px, 8.4vw, 124px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.h2 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.lead { font-size: clamp(17px, 1.45vw, 20px); line-height: 1.8; color: var(--ink-2); max-width: 36em; }
.small { font-size: 14px; color: var(--mute); }
.on-dark { color: #fff; }
.on-dark .lead, .lead.on-dark { color: rgba(226, 235, 255, .78); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent;
  font-size: 16px; font-weight: 600; white-space: nowrap; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease), box-shadow .2s;
}
.btn:active { transform: scale(.98); }
.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn--lg { height: 56px; padding: 0 30px; font-size: 17px; }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 10px 30px -10px rgba(22, 119, 255, .7); }
.btn--primary:hover { background: var(--blue-deep); }
.btn--ghost-light { color: #fff; border-color: rgba(255, 255, 255, .32); background: rgba(255, 255, 255, .06); }
.btn--ghost-light:hover { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .12); }
.btn--ghost { color: var(--ink); border-color: var(--line); background: #fff; }
.btn--ghost:hover { border-color: #b9c6db; }
.link { color: var(--blue); font-weight: 600; border-bottom: 1px solid rgba(22, 119, 255, .3); }
.link:hover { border-color: var(--blue); }

/* ---------- 导航 ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background-color .3s, box-shadow .3s, color .3s; }
.nav__inner { max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); height: 72px; display: flex; align-items: center; gap: 40px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo__mark { width: 34px; height: 34px; flex: none; }
.logo__word { font-family: var(--display); font-weight: 900; font-size: 20px; letter-spacing: .02em; display: flex; align-items: baseline; gap: 8px; }
.logo__word small { font-family: var(--sans); font-weight: 500; font-size: 13px; letter-spacing: .04em; opacity: .62; }
.nav__links { display: flex; gap: 30px; margin-left: auto; font-size: 15px; }
.nav__links a { position: relative; opacity: .78; transition: opacity .2s; }
.nav__links a:hover, .nav__links a[aria-current] { opacity: 1; }
.nav__links a[aria-current]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: currentColor; }
.nav__toggle { display: none; }
.nav__sheet { display: none; }
.nav-dark .nav { color: #fff; }
.nav.is-solid { background: rgba(255, 255, 255, .86); color: var(--ink); box-shadow: 0 1px 0 rgba(12, 26, 51, .08); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); }
.nav.is-night { background: rgba(7, 20, 46, .72); color: #fff; box-shadow: 0 1px 0 rgba(255, 255, 255, .08); backdrop-filter: saturate(1.4) blur(18px); -webkit-backdrop-filter: saturate(1.4) blur(18px); }

/* ---------- 图片与占位 ---------- */
.photo { position: relative; overflow: hidden; background: #c9d6e8; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo--ph {
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(255, 255, 255, .55), transparent 55%),
    linear-gradient(135deg, #c7d7ee 0%, #a9bde0 45%, #8f9fd6 100%);
  display: flex; align-items: flex-end;
}
.photo--ph::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .22) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .22) 1px, transparent 1px);
  background-size: 48px 48px;
}
.photo__ph-note { position: relative; margin: 16px; padding: 8px 12px; border-radius: 10px; background: rgba(7, 20, 46, .55); color: #fff; font-size: 12px; line-height: 1.6; max-width: 80%; }
.photo--dark.photo--ph { background: radial-gradient(90% 70% at 70% 40%, #1d3a77 0%, #0b1a3c 60%, #060f24 100%); }

/* ================= 首页 ================= */
/* 首屏 */
.hero { position: relative; min-height: 100svh; display: grid; align-items: end; color: #fff; background: var(--night); overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media .photo { position: absolute; inset: 0; background-color: var(--night); }
.hero__media img { transform-origin: 62% 55%; }
.hero__shade { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(90deg, rgba(5, 14, 34, .88) 0%, rgba(5, 14, 34, .55) 38%, rgba(5, 14, 34, .05) 70%),
  linear-gradient(0deg, rgba(5, 14, 34, .9) 0%, rgba(5, 14, 34, 0) 42%); }
.hero__body { padding-top: 140px; padding-bottom: clamp(56px, 9vh, 110px); }
.hero__title { max-width: 7.2em; }
.hero__lead { margin-top: 28px; max-width: 30em; }
.hero__actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__ends { margin-top: 56px; display: flex; flex-wrap: wrap; gap: 10px 28px; font-size: 14px; color: rgba(214, 226, 250, .7); }
.hero__ends span { display: inline-flex; align-items: center; gap: 8px; }
.hero__ends span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #6fd3ff; box-shadow: 0 0 10px #6fd3ff; }

/* 首屏上挂在门店上的状态卡 */
.pin { position: absolute; z-index: 1; display: flex; align-items: flex-start; gap: 10px; pointer-events: none; }
.pin__dot { position: relative; width: 14px; height: 14px; margin-top: 12px; flex: none; border-radius: 50%; background: #6fd3ff; box-shadow: 0 0 0 4px rgba(111, 211, 255, .25), 0 0 18px #6fd3ff; }
.pin__dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(111, 211, 255, .7); animation: ping 2.6s var(--ease) infinite; }
.pin--alert .pin__dot { background: var(--chi); box-shadow: 0 0 0 4px rgba(255, 75, 43, .25), 0 0 18px var(--chi); }
.pin--alert .pin__dot::after { border-color: rgba(255, 75, 43, .7); }
.pin__card { padding: 10px 14px 11px; border-radius: 14px; background: rgba(255, 255, 255, .94); color: var(--ink); box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .55); min-width: 168px; }
.pin__store { white-space: nowrap; font-size: 12px; color: var(--mute); line-height: 1.4; }
.pin__val { font-size: 18px; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 8px; }
.pin__val em { font-style: normal; font-size: 12px; font-weight: 600; }
.up { color: var(--green); }
.down { color: var(--chi); }
@keyframes ping { 0% { transform: scale(.6); opacity: 1; } 80%, 100% { transform: scale(2.4); opacity: 0; } }

/* 首屏开场：灯一盏盏亮起来 */
.js .hero__media img { filter: brightness(.32) saturate(.7); transform: scale(1.12); transition: filter 2.4s var(--ease), transform 6s var(--ease); }
.js .hero.is-on .hero__media img { filter: brightness(1) saturate(1); transform: scale(1.02); }
.js .hero__body > * { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .hero.is-on .hero__body > * { opacity: 1; transform: none; }
.js .hero.is-on .hero__body > *:nth-child(2) { transition-delay: .12s; }
.js .hero.is-on .hero__body > *:nth-child(3) { transition-delay: .24s; }
.js .hero.is-on .hero__body > *:nth-child(4) { transition-delay: .36s; }
.js .pin { opacity: 0; transform: translateY(10px) scale(.96); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .hero.is-on .pin { opacity: 1; transform: none; }
.js .hero.is-on .pin { transition-delay: var(--d, 1.2s); }

/* 问题陈述 */
.problem { background: var(--dawn); padding: clamp(96px, 13vw, 180px) 0; }
.problem__head { max-width: 15em; }
.problem__list { margin-top: clamp(56px, 7vw, 96px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid #cdd8ea; }
.problem__item { padding: 32px 32px 0 0; }
.problem__item + .problem__item { padding-left: 32px; border-left: 1px solid #cdd8ea; }
.problem__item h3 { font-family: var(--display); font-weight: 900; font-size: clamp(24px, 2.4vw, 34px); line-height: 1.3; letter-spacing: -.02em; }
.problem__item p { margin-top: 14px; color: var(--ink-2); }
.problem__turn { margin-top: clamp(64px, 8vw, 110px); font-family: var(--display); font-weight: 700; font-size: clamp(22px, 2.6vw, 34px); line-height: 1.5; letter-spacing: -.01em; max-width: 24em; }
.problem__turn b { font-weight: 900; color: var(--blue); }

/* 一家门店的一天（整站最重要的一段） */
.day { position: relative; height: 460vh; --tint: #eaf1fa; --tint-ink: var(--ink); }
.day__stick { position: sticky; top: 0; height: 100vh; height: 100svh; display: grid; grid-template-columns: minmax(380px, 40%) 1fr; overflow: hidden; }
.day__panel { position: relative; z-index: 2; background: var(--tint); color: var(--tint-ink); transition: background-color 1s var(--ease), color 1s var(--ease); display: flex; flex-direction: column; justify-content: center; padding: 100px clamp(28px, 4vw, 64px) 60px max(var(--gutter), calc((100vw - var(--wrap)) / 2)); }
.day__kicker { font-size: 15px; font-weight: 600; opacity: .7; }
.day__clock { margin-top: 8px; font-family: var(--display); font-weight: 900; font-size: clamp(72px, 9.5vw, 148px); line-height: .95; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.day__steps { position: relative; margin-top: 34px; min-height: 230px; }
.day__step { position: absolute; inset: 0 0 auto; opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); pointer-events: none; }
.day__step.is-on { opacity: 1; transform: none; pointer-events: auto; }
.day__step h3 { font-family: var(--display); font-weight: 900; font-size: clamp(26px, 2.8vw, 40px); line-height: 1.25; letter-spacing: -.02em; }
.day__step p { margin-top: 14px; max-width: 26em; opacity: .82; }
.day__step .tag { margin-top: 18px; }
.day__rail { margin-top: 28px; display: flex; gap: 8px; }
.day__rail i { height: 4px; flex: 1; max-width: 64px; border-radius: 4px; background: color-mix(in srgb, currentColor 16%, transparent); position: relative; overflow: hidden; }
.day__rail i b { position: absolute; inset: 0; background: currentColor; transform-origin: left; transform: scaleX(0); }
.day__view { position: relative; z-index: 3; }
.day__photo { position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--ease); }
.day__photo.is-on { opacity: 1; }
.day__photo .photo { position: absolute; inset: 0; }
.day__photo img { transform: scale(1.06); transition: transform 8s linear; }
.day__photo.is-on img { transform: scale(1); }
.day__phone { --z: .97; position: absolute; left: clamp(28px, 5vw, 80px); bottom: 7vh; z-index: 3; }
.day.t-noon { --tint: #ffffff; }
.day.t-dusk { --tint: #2a2756; --tint-ink: #fff; }
.day.t-night { --tint: #07142e; --tint-ink: #fff; }
.tag { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; border-radius: 999px; font-size: 13px; font-weight: 600; background: rgba(22, 119, 255, .1); color: var(--blue); }
.t-dusk .tag, .t-night .tag { background: rgba(255, 255, 255, .12); color: #cfe0ff; }

/* 整改前后 */
.fix { background: var(--night); color: #fff; padding: clamp(96px, 12vw, 170px) 0; overflow: hidden; }
.fix__head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: end; }
.fix__stage { position: relative; margin-top: clamp(48px, 6vw, 80px); border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 9; background: #13254d; user-select: none; touch-action: pan-y; }
.fix__layer { position: absolute; inset: 0; }
.fix__layer .photo { position: absolute; inset: 0; }
.fix__before { clip-path: inset(0 calc(100% - var(--x, 50%)) 0 0); }
.fix__before .photo--ph { background: linear-gradient(135deg, #6b5d4f, #3c3530); }
.fix__line { position: absolute; top: 0; bottom: 0; left: var(--x, 50%); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 20px rgba(0, 0, 0, .4); pointer-events: none; }
.fix__knob { position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; background: #fff; box-shadow: 0 10px 30px rgba(0, 0, 0, .35); display: grid; place-items: center; }
.fix__knob svg { width: 26px; height: 26px; }
.fix__label { position: absolute; top: 20px; padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; background: rgba(7, 20, 46, .6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.fix__label--l { left: 20px; }
.fix__label--r { right: 20px; }
.fix__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.fix__ticket { position: absolute; right: 24px; bottom: 24px; width: min(330px, 70%); padding: 16px 18px; border-radius: 18px; background: rgba(255, 255, 255, .95); color: var(--ink); box-shadow: 0 24px 50px -20px rgba(0, 0, 0, .6); pointer-events: none; }
.ticket__top { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--mute); }
.ticket__title { margin-top: 6px; font-weight: 700; font-size: 16px; }
.ticket__flow { margin-top: 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; font-size: 11px; color: var(--mute); }
.ticket__flow span { position: relative; padding-top: 10px; }
.ticket__flow span::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 4px; background: #e4eaf4; }
.ticket__flow span.done { color: var(--ink); }
.ticket__flow span.done::before { background: var(--green); }
.pill { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.pill--green { background: #e3f6ee; color: #0a8a5b; }
.pill--red { background: #ffe9e4; color: #e03a1c; }
.pill--amber { background: #fff2dc; color: #b86e05; }
.pill--blue { background: #e6f0ff; color: var(--blue); }
.pill--gray { background: #eef1f6; color: var(--mute); }

/* 从签下一家店，到管好每一家店 */
.life { padding: clamp(96px, 13vw, 180px) 0; background: var(--paper); }
.life__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); }
.life__intro { position: sticky; top: 120px; align-self: start; }
.life__intro .lead { margin-top: 24px; }
.life__photos { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.life__photos .photo { border-radius: var(--radius); aspect-ratio: 4 / 5; }
.life__photos .photo:first-child { transform: translateY(32px); }
.stages { list-style: none; margin: 0; padding: 0; counter-reset: stage; }
.stage { position: relative; display: grid; grid-template-columns: 72px 1fr; gap: 0 20px; padding: 34px 0; border-top: 1px solid var(--line); }
.stage:last-child { border-bottom: 1px solid var(--line); }
.stage__no { font-family: var(--display); font-weight: 900; font-size: 44px; line-height: 1; letter-spacing: -.04em; color: #c5d3ea; font-variant-numeric: tabular-nums; transition: color .5s; }
.stage.is-seen .stage__no { color: var(--blue); }
.stage h3 { font-family: var(--display); font-weight: 900; font-size: 28px; line-height: 1.2; letter-spacing: -.02em; }
.stage p { margin-top: 10px; color: var(--ink-2); }
.stage__mods { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.stage__mods span { height: 30px; padding: 0 12px; display: inline-flex; align-items: center; border-radius: 8px; background: var(--dawn); font-size: 13px; color: var(--ink-2); }

/* 三端 */
.ends { position: relative; background: linear-gradient(180deg, var(--dawn) 0%, #e3ecfa 100%); padding: clamp(96px, 12vw, 170px) 0 0; overflow: hidden; }
.ends__head { max-width: 760px; }
.ends__head .lead { margin-top: 22px; }
.ends__stage { position: relative; margin-top: clamp(56px, 7vw, 96px); padding-bottom: clamp(48px, 6vw, 80px); }
.ends__stage .laptop { width: min(1040px, 100%); }
.ends__stage { --z: .84; }
.ends__stage .phone { position: absolute; right: clamp(0px, 3vw, 40px); bottom: 0; }
.ends__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 48px 0 clamp(96px, 11vw, 150px); border-top: 1px solid #c9d6ea; }
.ends__cols > div { padding-right: 32px; }
.ends__cols > div + div { padding-left: 32px; border-left: 1px solid #c9d6ea; }
.ends__cols h3 { font-family: var(--display); font-weight: 900; font-size: 24px; letter-spacing: -.01em; }
.ends__cols .who { margin-top: 4px; font-size: 14px; color: var(--blue); font-weight: 600; }
.ends__cols p { margin-top: 12px; color: var(--ink-2); font-size: 16px; }

/* AI 助手 */
.ai { padding: clamp(96px, 12vw, 170px) 0; background: var(--paper); }
.ai__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.ai__copy .lead { margin-top: 22px; }
.ai__points { margin-top: 32px; display: grid; gap: 18px; }
.ai__points div { padding-left: 18px; border-left: 3px solid var(--blue); }
.ai__points b { display: block; font-size: 17px; }
.ai__points span { color: var(--mute); font-size: 15px; }
.chat { border-radius: var(--radius-lg); background: linear-gradient(160deg, #f3f7fe, #e8effb); padding: clamp(20px, 3vw, 36px); box-shadow: inset 0 0 0 1px #dde6f4; }
.chat__msg { max-width: 88%; padding: 14px 18px; border-radius: 18px; font-size: 15px; line-height: 1.7; }
.chat__msg + .chat__msg { margin-top: 14px; }
.chat__msg--me { margin-left: auto; background: var(--blue); color: #fff; border-bottom-right-radius: 6px; }
.chat__msg--ai { background: #fff; box-shadow: 0 10px 30px -18px rgba(12, 26, 51, .35); border-bottom-left-radius: 6px; }
.chat__who { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--mute); margin-bottom: 8px; }
.chat__who .logo__mark { width: 20px; height: 20px; }
.chat table { width: 100%; margin-top: 10px; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.chat td { padding: 7px 0; border-top: 1px solid #eef2f8; }
.chat td:last-child { text-align: right; }
.chat__note { margin-top: 14px; font-size: 12px; color: var(--mute); }
.typing i { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: #9db0cf; animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }

/* 行业 */
.inds { padding: 0 0 clamp(96px, 12vw, 170px); background: var(--paper); }
.inds__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.inds__grid { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ind { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; color: #fff; display: flex; align-items: flex-end; isolation: isolate; }
.ind .photo { position: absolute; inset: 0; z-index: -2; transition: transform .8s var(--ease); }
.ind::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(5, 14, 34, .85) 0%, rgba(5, 14, 34, 0) 60%); }
.ind:hover .photo { transform: scale(1.04); }
.ind__body { padding: 22px; }
.ind h3 { font-family: var(--display); font-weight: 900; font-size: 24px; }
.ind p { margin-top: 6px; font-size: 14px; line-height: 1.65; color: rgba(230, 238, 255, .82); }

/* 页尾行动区 */
.cta { position: relative; background: var(--night); color: #fff; padding: clamp(96px, 12vw, 160px) 0; overflow: hidden; isolation: isolate; }
.cta__glow { position: absolute; z-index: -1; width: 900px; height: 900px; right: -260px; top: -380px; border-radius: 50%; background: radial-gradient(circle, rgba(106, 75, 219, .5), rgba(22, 119, 255, .18) 45%, transparent 70%); }
.cta__grid { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; }
.cta__title { font-family: var(--display); font-weight: 900; font-size: clamp(38px, 5.4vw, 76px); line-height: 1.1; letter-spacing: -.035em; }
.cta__lead { margin-top: 24px; color: rgba(214, 226, 250, .78); font-size: 18px; max-width: 30em; }
.cta__actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.cta__qr { text-align: left; font-size: 14px; color: rgba(214, 226, 250, .7); }
.cta__qr p { margin-top: 14px; line-height: 1.7; }
.qr { width: 148px; height: 148px; border-radius: 20px; background: #fff; color: var(--mute); display: grid; place-items: center; font-size: 13px; position: relative; }
.qr::before { content: ""; position: absolute; inset: 16px; border-radius: 10px; background:
  repeating-linear-gradient(90deg, rgba(12, 26, 51, .1) 0 6px, transparent 6px 12px),
  repeating-linear-gradient(0deg, rgba(12, 26, 51, .1) 0 6px, transparent 6px 12px); }
.qr span { position: relative; background: #fff; padding: 2px 8px; border-radius: 6px; }

/* 页尾 */
.foot { background: #050e22; color: rgba(214, 226, 250, .7); font-size: 14px; padding: 72px 0 32px; }
.foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot__brand p { margin-top: 18px; line-height: 1.8; }
.logo--light { color: #fff; }
.foot__col { display: flex; flex-direction: column; gap: 10px; }
.foot__col h2 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.foot__col a:hover { color: #fff; }
.foot__base { margin-top: 64px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .08); display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 13px; }
.foot__base a:hover { color: #fff; }

/* ================= 产品界面模型（手机 / 电脑） ================= */
.phone { width: 300px; zoom: var(--z, 1); aspect-ratio: 300 / 620; padding: 10px; border-radius: 48px; background: linear-gradient(145deg, #2a3348, #0d1322); box-shadow: 0 0 0 1px rgba(255, 255, 255, .08) inset, 0 50px 90px -30px rgba(3, 10, 30, .65), 0 20px 40px -20px rgba(3, 10, 30, .5); position: relative; flex: none; }
.phone::before { content: ""; position: absolute; top: 20px; left: 50%; width: 86px; height: 24px; margin-left: -43px; border-radius: 14px; background: #05080f; z-index: 3; }
.phone__screen { position: relative; height: 100%; border-radius: 39px; overflow: hidden; background: #f4f6fa; font-size: 12px; line-height: 1.5; color: var(--ink); }
.scr { position: absolute; inset: 0; display: flex; flex-direction: column; opacity: 0; transition: opacity .5s var(--ease); }
.scr.is-on, .phone--single .scr { opacity: 1; }
.scr__status { height: 46px; flex: none; display: flex; justify-content: space-between; align-items: flex-end; padding: 0 24px 6px 28px; font-size: 12px; font-weight: 600; }
.scr__status i { display: inline-block; width: 22px; height: 10px; border: 1.5px solid currentColor; border-radius: 3px; position: relative; opacity: .9; }
.scr__status i::after { content: ""; position: absolute; inset: 1.5px 4px 1.5px 1.5px; background: currentColor; border-radius: 1px; }
.scr__head { flex: none; padding: 6px 18px 16px; }
.scr__head--blue { background: linear-gradient(160deg, #2a86ff, #1463e6); color: #fff; }
.scr__title { font-size: 17px; font-weight: 700; }
.scr__sub { font-size: 11px; opacity: .75; }
.scr__body { flex: 1; padding: 12px 12px 16px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.scr__head--blue + .scr__body { margin-top: -10px; }
.card { background: #fff; border-radius: 14px; padding: 12px 14px; box-shadow: 0 1px 2px rgba(12, 26, 51, .05); }
.card__row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card__k { font-size: 11px; color: var(--mute); }
.card__big { font-size: 26px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; line-height: 1.2; }
.card__title { font-size: 13px; font-weight: 700; }
.bar { height: 6px; border-radius: 6px; background: #e8edf5; overflow: hidden; }
.bar b { display: block; height: 100%; border-radius: 6px; background: var(--blue); }
.person { display: flex; align-items: center; gap: 10px; padding: 8px 0; }
.person + .person { border-top: 1px solid #f0f3f8; }
.ava { width: 28px; height: 28px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; }
.person__name { flex: 1; font-size: 12px; font-weight: 600; }
.person__name small { display: block; font-weight: 400; color: var(--mute); font-size: 10px; }
.ring { position: relative; width: 74px; height: 74px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring__val { position: absolute; inset: 0; display: grid; place-items: center; font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.ring__val small { display: block; font-size: 9px; font-weight: 500; color: var(--mute); margin-top: -18px; }
.item { display: flex; align-items: center; gap: 10px; padding: 9px 0; }
.item + .item { border-top: 1px solid #f0f3f8; }
.item__ic { width: 22px; height: 22px; border-radius: 7px; flex: none; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; }
.item__name { flex: 1; font-size: 12px; }
.item__name small { display: block; font-size: 10px; color: var(--mute); }
.item__score { font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.shot { display: flex; gap: 4px; margin-top: 4px; }
.shot i { width: 28px; height: 22px; border-radius: 5px; background: linear-gradient(135deg, #b9c7dc, #8d9fbd); }
.scr__btn { margin-top: auto; height: 40px; border-radius: 12px; background: var(--blue); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.chips { display: flex; gap: 6px; }
.chips span { height: 24px; padding: 0 10px; border-radius: 12px; display: inline-flex; align-items: center; font-size: 11px; background: #fff; color: var(--mute); }
.chips span.on { background: var(--ink); color: #fff; }
.spark { display: flex; align-items: flex-end; gap: 5px; height: 54px; margin-top: 10px; }
.spark i { flex: 1; border-radius: 4px 4px 2px 2px; background: #d6e5ff; }
.spark i.on { background: var(--blue); }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 12px; padding-top: 10px; border-top: 1px solid #f0f3f8; }
.trio b { display: block; font-size: 15px; font-variant-numeric: tabular-nums; }
.trio span { font-size: 10px; color: var(--mute); }
.alert { display: flex; gap: 8px; align-items: center; padding: 10px 12px; border-radius: 12px; background: #fff4f1; color: #c8361a; font-size: 11px; font-weight: 600; }
.alert::before { content: "!"; width: 18px; height: 18px; border-radius: 50%; background: var(--chi); color: #fff; display: grid; place-items: center; font-size: 11px; flex: none; }
.rank { display: flex; align-items: center; gap: 8px; padding: 7px 0; font-size: 12px; }
.rank + .rank { border-top: 1px solid #f0f3f8; }
.rank b { width: 18px; color: var(--mute); font-variant-numeric: tabular-nums; }
.rank span:nth-child(2) { flex: 1; }
.rank span:last-child { font-weight: 700; font-variant-numeric: tabular-nums; }
.tabs { display: flex; gap: 16px; font-size: 13px; color: var(--mute); padding: 0 4px; }
.tabs span.on { color: var(--ink); font-weight: 700; position: relative; }
.tabs span.on::after { content: ""; position: absolute; left: 20%; right: 20%; bottom: -5px; height: 3px; border-radius: 3px; background: var(--blue); }
.thumbs { display: flex; gap: 6px; margin-top: 10px; }
.thumbs i { flex: 1; height: 50px; border-radius: 8px; position: relative; overflow: hidden; }
.thumbs i::after { position: absolute; left: 5px; bottom: 4px; font-size: 9px; font-style: normal; color: #fff; font-weight: 600; }
.thumbs .b { background: linear-gradient(135deg, #8a7867, #4d433b); }
.thumbs .b::after { content: "整改前"; }
.thumbs .a { background: linear-gradient(135deg, #dfe8f1, #a9bacd); }
.thumbs .a::after { content: "整改后"; color: #1e2c44; }

/* 电脑后台 */
.laptop { position: relative; }
.laptop__screen { border-radius: 18px 18px 0 0; padding: 12px 12px 0; background: linear-gradient(160deg, #2a3348, #0f1525); box-shadow: 0 60px 100px -40px rgba(3, 10, 30, .55); }
.laptop__base { height: 18px; margin: 0 -4%; border-radius: 0 0 16px 16px; background: linear-gradient(180deg, #d5dbe6, #a6afbf); position: relative; }
.laptop__base::before { content: ""; position: absolute; left: 50%; top: 0; width: 120px; height: 7px; margin-left: -60px; border-radius: 0 0 8px 8px; background: #b6bfce; }
.admin { aspect-ratio: 16 / 10; border-radius: 8px 8px 0 0; overflow: hidden; display: grid; grid-template-columns: 17% 1fr; background: #f4f6fa; font-size: clamp(7px, .8vw, 11px); line-height: 1.5; color: var(--ink); }
.admin__side { background: #0f2350; color: rgba(220, 230, 255, .75); padding: 1.6em 1em; display: flex; flex-direction: column; gap: .3em; }
.admin__brand { display: flex; align-items: center; gap: .6em; color: #fff; font-weight: 700; font-size: 1.15em; margin-bottom: 1.4em; }
.admin__brand .logo__mark { width: 2em; height: 2em; }
.admin__side span { padding: .55em .8em; border-radius: .6em; }
.admin__side span.on { background: rgba(255, 255, 255, .12); color: #fff; }
.admin__main { padding: 1.6em 2em; display: grid; grid-template-rows: auto auto 1fr; gap: 1.2em; min-width: 0; }
.admin__top { display: flex; justify-content: space-between; align-items: center; }
.admin__top b { font-size: 1.5em; }
.admin__kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; }
.kpi { background: #fff; border-radius: 1em; padding: 1em 1.2em; }
.kpi span { color: var(--mute); }
.kpi b { display: block; font-size: 2em; letter-spacing: -.02em; font-variant-numeric: tabular-nums; line-height: 1.3; }
.kpi em { font-style: normal; font-weight: 600; }
.admin__row { display: grid; grid-template-columns: 1.6fr 1fr; gap: 1em; min-height: 0; }
.panel { background: #fff; border-radius: 1em; padding: 1.1em 1.3em; min-height: 0; overflow: hidden; }
.panel__t { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: .6em; }
.panel__t span { font-weight: 400; color: var(--mute); }
.panel svg { width: 100%; height: auto; }
.trow { display: grid; grid-template-columns: 1.4em 1fr auto auto; gap: .8em; padding: .5em 0; border-top: 1px solid #f0f3f8; align-items: center; font-variant-numeric: tabular-nums; }
.trow:first-of-type { border-top: 0; }
.trow i { font-style: normal; color: var(--mute); }

/* 模型下的示例说明 */
.mock-note { margin-top: 14px; font-size: 12px; color: var(--mute); }
.on-dark .mock-note { color: rgba(214, 226, 250, .55); }

/* 进入视口时淡入（只用在少数地方） */
.js [data-rise] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js [data-rise].is-seen { opacity: 1; transform: none; }

/* ================= 内页通用 ================= */
.page-hero { padding: 170px 0 clamp(64px, 8vw, 110px); background: var(--dawn); }
.page-hero .lead { margin-top: 24px; }
.page-hero--dark { background: var(--night); color: #fff; }
.subnav { position: sticky; top: 72px; z-index: 20; background: rgba(255, 255, 255, .9); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.subnav__in { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding: 10px 0; }
.subnav__in::-webkit-scrollbar { display: none; }
.subnav a { flex: none; height: 36px; padding: 0 16px; border-radius: 999px; display: inline-flex; align-items: center; font-size: 14px; color: var(--ink-2); }
.subnav a:hover { background: var(--dawn); }
.subnav a.is-on { background: var(--ink); color: #fff; }

.mod { padding: clamp(80px, 10vw, 140px) 0; scroll-margin-top: 130px; }
.mod--tint { background: var(--dawn); }
.mod--night { background: var(--night); color: #fff; }
.mod--night .lead { color: rgba(214, 226, 250, .78); }
.mod__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.mod__grid--flip > :first-child { order: 2; }
.mod__name { font-size: 15px; font-weight: 700; color: var(--blue); }
.mod--night .mod__name { color: #8ebaff; }
.mod h2 { margin-top: 12px; }
.mod .lead { margin-top: 20px; }
.feats { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.feats div b { display: block; font-size: 16px; }
.feats div span { display: block; margin-top: 4px; font-size: 15px; color: var(--mute); line-height: 1.7; }
.mod--night .feats div span { color: rgba(214, 226, 250, .65); }
.mod__visual { display: flex; justify-content: center; align-items: center; position: relative; }
.mod__visual .photo { border-radius: var(--radius-lg); }
.visual-stack { position: relative; width: 100%; }
.visual-stack > .photo { aspect-ratio: 4 / 5; width: 78%; }
.visual-stack > .phone { position: absolute; right: 0; bottom: -40px; --z: .87; }

.board { width: 100%; background: #fff; border-radius: var(--radius-lg); padding: clamp(18px, 2.4vw, 28px); box-shadow: 0 40px 80px -40px rgba(12, 26, 51, .35), 0 0 0 1px rgba(12, 26, 51, .04); font-size: 14px; }
.mod--tint .board { box-shadow: 0 40px 80px -40px rgba(12, 26, 51, .3); }
.board__t { display: flex; justify-content: space-between; align-items: baseline; font-weight: 700; font-size: 16px; }
.board__t span { font-weight: 400; color: var(--mute); font-size: 13px; }
.funnel { margin-top: 18px; display: grid; gap: 10px; }
.funnel div { display: grid; grid-template-columns: 5em 1fr 4em; gap: 12px; align-items: center; font-variant-numeric: tabular-nums; }
.funnel i { height: 30px; border-radius: 8px; background: linear-gradient(90deg, #1677ff, #6a4bdb); }
.funnel b { text-align: right; }
.table { width: 100%; margin-top: 14px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th { text-align: left; font-weight: 500; color: var(--mute); font-size: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.table td { padding: 11px 0; border-bottom: 1px solid #f0f3f8; }
.table td:not(:first-child), .table th:not(:first-child) { text-align: right; }
.matrix { margin-top: 14px; display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); font-size: 13px; }
.matrix > * { padding: 10px 6px; border-bottom: 1px solid #f0f3f8; }
.matrix .h { color: var(--mute); font-size: 12px; }
.matrix .y, .matrix .n, .matrix .p { text-align: center; }
.matrix .y::before { content: "✓"; color: var(--green); font-weight: 700; }
.matrix .n::before { content: "—"; color: #c3cbd8; }
.matrix .p::before { content: "本店"; font-size: 11px; color: var(--amber); font-weight: 600; }

/* 行业方案 */
.sol { padding: clamp(80px, 10vw, 140px) 0; scroll-margin-top: 90px; }
.sol + .sol { border-top: 1px solid var(--line); }
.sol__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.sol__photo { aspect-ratio: 4 / 3; border-radius: var(--radius-lg); }
.sol__pains { margin-top: 30px; display: grid; gap: 0; }
.sol__pains div { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); }
.sol__pains div:first-child { border-top: 0; padding-top: 0; }
.sol__pains .q { font-weight: 700; }
.sol__pains .a { color: var(--ink-2); }
.sol__pains .h { font-size: 13px; color: var(--mute); font-weight: 600; }

/* 关于我们 */
.about { padding: clamp(80px, 10vw, 140px) 0; }
.about__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); }
.about__text p + p { margin-top: 20px; }
.facts { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.facts div { padding: 22px 20px 22px 0; border-bottom: 1px solid var(--line); }
.facts span { display: block; font-size: 13px; color: var(--mute); }
.facts b { display: block; margin-top: 4px; font-size: 17px; }

/* 预约演示 */
.demo { padding: 150px 0 clamp(80px, 10vw, 130px); background: linear-gradient(180deg, var(--dawn), #fff 70%); }
.demo__grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.demo__steps { margin-top: 40px; list-style: none; padding: 0; counter-reset: s; display: grid; gap: 22px; }
.demo__steps li { position: relative; padding-left: 52px; counter-increment: s; }
.demo__steps li::before { content: counter(s); position: absolute; left: 0; top: 2px; width: 34px; height: 34px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 1px var(--line); display: grid; place-items: center; font-weight: 700; color: var(--blue); }
.demo__steps b { display: block; }
.demo__steps span { color: var(--mute); font-size: 15px; }
.form { background: #fff; border-radius: var(--radius-lg); padding: clamp(24px, 3.4vw, 44px); box-shadow: 0 40px 90px -50px rgba(12, 26, 51, .45), 0 0 0 1px rgba(12, 26, 51, .05); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field > span { font-size: 14px; font-weight: 600; }
.field > span i { font-style: normal; color: var(--chi); margin-left: 2px; }
.field input, .field select { height: 50px; border-radius: 12px; border: 1px solid #d3dcea; background: #fbfcfe; padding: 0 14px; font-size: 16px; transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(22, 119, 255, .14); background: #fff; }
.field.is-bad input, .field.is-bad select { border-color: var(--chi); }
.field__err { font-size: 13px; color: var(--chi); min-height: 0; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { position: relative; }
.checks input { position: absolute; opacity: 0; inset: 0; }
.checks span { display: inline-flex; align-items: center; height: 40px; padding: 0 14px; border-radius: 10px; border: 1px solid #d3dcea; font-size: 14px; cursor: pointer; transition: all .2s; }
.checks input:checked + span { border-color: var(--blue); background: #eef5ff; color: var(--blue); font-weight: 600; }
.checks input:focus-visible + span { outline: 3px solid #7fb2ff; outline-offset: 2px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin: 4px 0 24px; }
.agree input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--blue); }
.form .btn { width: 100%; }
.form__done { text-align: left; }
.form__done h2 { font-family: var(--display); font-weight: 900; font-size: 32px; }
.form__done p { margin-top: 12px; color: var(--ink-2); }
.notice { margin-top: 16px; padding: 12px 14px; border-radius: 12px; background: #fff7e8; color: #8a5a0c; font-size: 13px; line-height: 1.7; }

.prose { padding: 150px 0 120px; }
.prose .wrap { max-width: 860px; }
.prose h1 { font-family: var(--display); font-weight: 900; font-size: clamp(34px, 4vw, 52px); }
.prose p { margin-top: 18px; color: var(--ink-2); }

/* ================= 响应式 ================= */
@media (max-width: 1080px) {
  .day__stick { grid-template-columns: 46% 1fr; }
  .day__phone { --z: .8; }
  .ends__stage .phone { --z: .74; }
  .inds__grid { grid-template-columns: repeat(2, 1fr); }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav__inner { height: 60px; gap: 16px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: grid; place-content: center; gap: 6px; margin-left: auto; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; }
  .nav__toggle span { display: block; width: 22px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .3s var(--ease); }
  .nav.is-open .nav__toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav.is-open .nav__toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav__sheet { display: flex; flex-direction: column; gap: 4px; padding: 8px var(--gutter) 24px; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .4s var(--ease), opacity .3s; }
  .nav__sheet a:not(.btn) { padding: 12px 0; font-size: 18px; font-weight: 600; border-bottom: 1px solid rgba(127, 140, 160, .2); }
  .nav__sheet .btn { margin-top: 16px; }
  .nav.is-open { background: #fff; color: var(--ink); }
  .nav.is-open .nav__sheet { max-height: 420px; opacity: 1; }
  .logo__word small { display: none; }

  .hero { align-items: end; }
  .hero__shade { background: linear-gradient(0deg, rgba(5, 14, 34, .95) 0%, rgba(5, 14, 34, .7) 45%, rgba(5, 14, 34, .15) 80%); }
  .hero__body { padding-top: 46vh; }
  .hero__actions .btn { flex: 1; }
  .pin { transform-origin: left top; }
  .pin__card { min-width: 0; padding: 8px 12px; }
  .pin__val { font-size: 15px; }
  .pin--hide-m { display: none; }
  .pin--a { left: auto !important; right: 18px; top: 92px !important; }
  .pin--b { left: 40px !important; top: 23% !important; }

  .problem__list { grid-template-columns: 1fr; border-top: 0; }
  .problem__item, .problem__item + .problem__item { padding: 26px 0; border-left: 0; border-top: 1px solid #cdd8ea; }

  .day { height: 420vh; }
  .day__stick { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .day__view { grid-row: 1; }
  .day__panel { grid-row: 2; padding: 22px var(--gutter) 26px; }
  .day__kicker { display: none; }
  .day__clock { margin-top: 0; font-size: 54px; }
  .day__steps { margin-top: 10px; min-height: 172px; }
  .day__step h3 { font-size: 22px; }
  .day__step p { margin-top: 8px; font-size: 15px; line-height: 1.7; }
  .day__step .tag { display: none; }
  .day__rail { margin-top: 8px; }
  .day__phone { --z: .56; left: auto; right: var(--gutter); top: 72px; bottom: auto; }

  .fix__head { grid-template-columns: 1fr; gap: 20px; }
  .fix__stage { aspect-ratio: 4 / 5; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); border-radius: 0; }
  .fix__ticket { left: 16px; right: 16px; bottom: 16px; width: auto; }

  .life__grid { grid-template-columns: 1fr; }
  .life__intro { position: static; }
  .stage { grid-template-columns: 52px 1fr; }
  .stage__no { font-size: 34px; }
  .stage h3 { font-size: 23px; }

  .ends__stage { padding-bottom: 40px; }
  .ends__stage .phone { --z: .44; }
  .ends__stage .phone { right: -8px; bottom: 0; }
  .ends__cols { grid-template-columns: 1fr; }
  .ends__cols > div, .ends__cols > div + div { padding: 22px 0; border-left: 0; border-top: 1px solid #c9d6ea; }
  .ends__cols > div:first-child { border-top: 0; padding-top: 0; }

  .ai__grid, .mod__grid, .sol__grid, .about__grid, .demo__grid, .fix__head { grid-template-columns: 1fr; }
  .mod__grid--flip > :first-child { order: 0; }
  .feats { grid-template-columns: 1fr; }
  .visual-stack > .phone { --z: .64; bottom: -24px; }
  .inds__grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .ind { aspect-ratio: 3 / 4; }
  .ind__body { padding: 14px; }
  .ind h3 { font-size: 19px; }
  .ind p { display: none; }
  .cta__grid { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .sol__pains div { grid-template-columns: 1fr; gap: 4px; }
  .subnav { top: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .js .hero__media img { filter: none; transform: none; }
}
html.lenis { scroll-behavior: auto; }
.chat__msg { width: fit-content; }
.ind .photo__ph-note, .sol__photo .photo__ph-note { position: absolute; top: 0; left: 0; }
.mod .h2, .sol .h2 { font-size: clamp(30px, 3.5vw, 50px); }

/* ================= 3D 手机展示 ================= */
.show { position: relative; height: 680vh; background: #050d20; color: #fff; }
.show__stick { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; isolation: isolate; }
.show__glow { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(42% 52% at 50% 52%, rgba(46, 104, 255, .32), transparent 70%),
  radial-gradient(30% 40% at 62% 40%, rgba(106, 75, 219, .28), transparent 70%),
  linear-gradient(180deg, #050d20 0%, #071634 50%, #050d20 100%); }
.show__stage { position: absolute; inset: 0; }
.show__stage canvas { display: block; width: 100%; height: 100%; }
.show__intro { position: absolute; left: 0; right: 0; top: 18vh; text-align: center; pointer-events: none; }
.show__intro .h2 { font-size: clamp(36px, 5.2vw, 76px); }
.show__intro .lead { margin: 22px auto 0; max-width: 32em; }
.show__caps { position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%); pointer-events: none; height: 0; }
.cap { position: absolute; top: 0; width: min(380px, 30vw); transform: translateY(-50%); opacity: 0; transition: opacity .6s var(--ease), transform .6s var(--ease); }
.cap--l { left: var(--gutter); transform: translate(-24px, -50%); }
.cap--r { right: var(--gutter); transform: translate(24px, -50%); }
.cap.is-on { opacity: 1; transform: translate(0, -50%); }
.cap__mod { display: inline-flex; height: 30px; padding: 0 12px; align-items: center; border-radius: 999px; background: rgba(111, 162, 255, .16); color: #a9c8ff; font-size: 14px; font-weight: 600; }
.cap h3 { margin-top: 18px; font-family: var(--display); font-weight: 900; font-size: clamp(30px, 3.2vw, 48px); line-height: 1.16; letter-spacing: -.03em; }
.cap p { margin-top: 16px; color: rgba(214, 226, 250, .74); font-size: 17px; line-height: 1.8; }
.show__dots { position: absolute; left: 50%; bottom: 5vh; transform: translateX(-50%); display: flex; gap: 8px; }
.show__dots i { width: 6px; height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .25); transition: width .4s var(--ease), background-color .4s; }
.show__dots i.is-on { width: 22px; background: #fff; }
.show__note { position: absolute; right: var(--gutter); bottom: 5vh; font-size: 12px; color: rgba(214, 226, 250, .45); }
.show__static { display: none; }
.show--static { height: auto; }
.show--static .show__stick { position: relative; height: auto; padding: 120px 0; }
.show--static .show__intro { position: static; }
.show--static .show__static { display: flex; justify-content: center; margin-top: 56px; }
.show--static .show__caps { position: static; transform: none; height: auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; margin-top: 56px; }
.show--static .cap { position: static; width: auto; opacity: 1; transform: none; }
.show--static .show__dots, .show--static .show__note { display: none; }
.phone--img .phone__screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.phone--img .phone__screen picture { height: 100%; }
@media (max-width: 860px) {
  .show { height: 620vh; }
  .show__intro { top: 14vh; }
  .show__intro .h2 { font-size: 32px; }
  .show__intro .lead { font-size: 15px; padding: 0 8px; }
  .show__caps { top: auto; bottom: 0; transform: none; height: 31vh; }
  .cap, .cap--l, .cap--r { left: var(--gutter); right: var(--gutter); width: auto; top: 0; transform: translateY(14px); text-align: center; }
  .cap.is-on { transform: none; }
  .cap h3 { margin-top: 10px; font-size: 24px; }
  .cap h3 br { display: none; }
  .cap p { margin-top: 8px; font-size: 14px; line-height: 1.7; }
  .cap__mod { height: 26px; font-size: 12px; }
  .show__dots { bottom: 3vh; }
  .show__note { display: none; }
}

/* ================= 首页其余段落的完善 ================= */
/* 问题段：结论句随滚动逐字点亮 */
.problem__turn { font-family: var(--display); font-weight: 900; font-size: clamp(28px, 3.6vw, 52px); line-height: 1.35; letter-spacing: -.025em; max-width: 19em; }
.problem__turn b { font-weight: 900; }
.js .problem__turn .ch { color: rgba(12, 26, 51, .16); transition: color .25s linear; }
.js .problem__turn .ch.lit { color: var(--ink); }
.js .problem__turn b .ch.lit { color: var(--blue); }

/* 从签下一家店：左侧画面跟着右侧阶段切换 */
.life__visual { position: relative; margin-top: 36px; height: min(50vh, 470px); border-radius: var(--radius-lg); overflow: hidden; background: #dfe8f6; }
.lv { position: absolute; inset: 0; opacity: 0; transform: scale(1.04); transition: opacity .7s var(--ease), transform 1.2s var(--ease); }
.lv.is-on { opacity: 1; transform: none; }
.lv > .photo { position: absolute; inset: 0; }
.lv--plain { background: radial-gradient(120% 90% at 0% 0%, #ffffff 0%, #e6eefb 45%, #d4e1f6 100%); }
.lv__card { position: absolute; left: 20px; right: 20px; bottom: 20px; padding: 18px 20px; border-radius: 18px; background: rgba(255, 255, 255, .96); box-shadow: 0 24px 50px -24px rgba(12, 26, 51, .45); font-size: 14px; transform: translateY(16px); opacity: 0; transition: transform .7s var(--ease) .15s, opacity .7s var(--ease) .15s; }
.lv--plain .lv__card { top: 50%; bottom: auto; transform: translateY(calc(-50% + 16px)); }
.lv.is-on .lv__card { transform: none; opacity: 1; }
.lv--plain.is-on .lv__card { transform: translateY(-50%); }
.lv__t { display: flex; justify-content: space-between; align-items: baseline; font-weight: 700; font-size: 15px; }
.lv__t span { font-weight: 400; font-size: 12px; color: var(--mute); }
.funnel--sm { margin-top: 12px; gap: 8px; }
.funnel--sm div { grid-template-columns: 4.5em 1fr 3em; }
.funnel--sm i { height: 22px; width: 0; transition: width 1s var(--ease) .35s; }
.lv.is-on .funnel--sm i { width: var(--w); }
.lv__rows { margin-top: 10px; }
.lv__rows div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid #eef2f8; }
.lv__rows div:first-child { border-top: 0; }
.lv__rows em { font-style: normal; font-weight: 600; white-space: nowrap; }
.lv__bars { margin-top: 12px; display: grid; gap: 12px; }
.lv__bars div { display: grid; grid-template-columns: 6.5em 1fr 3.6em; gap: 10px; align-items: center; }
.lv__bars i { position: relative; height: 10px; border-radius: 6px; background: #edf1f7; }
.lv__bars b, .lv__bars s { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; width: 0; transition: width 1s var(--ease) .35s; }
.lv__bars b { background: #c9d4e6; }
.lv__bars s { background: var(--blue); height: 4px; top: 3px; }
.lv.is-on .lv__bars b, .lv.is-on .lv__bars s { width: min(var(--w), 100%); }
.lv__bars em { font-style: normal; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.lv__check { margin-top: 12px; display: grid; gap: 10px; }
.lv__check div { display: flex; align-items: center; gap: 10px; color: var(--mute); }
.lv__check div::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2px solid #c9d4e6; flex: none; box-sizing: border-box; }
.lv__check .done { color: var(--ink); }
.lv__check .done::before { border: 0; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.2l2.6 2.6L13 6.4' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat; }
.lv__check .doing { color: var(--blue); font-weight: 600; }
.lv__check .doing::before { border-color: var(--blue); border-right-color: transparent; animation: spin 1.2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.lv__phone { position: absolute; right: 22px; bottom: -120px; --z: .62; transform: translateY(30px); opacity: 0; transition: transform .8s var(--ease) .15s, opacity .8s var(--ease) .15s; }
.lv.is-on .lv__phone { transform: none; opacity: 1; }
.stage { transition: opacity .4s; }
.js .stages.has-active .stage { opacity: .38; }
.js .stages.has-active .stage.is-active { opacity: 1; }
.stage.is-active .stage__no { color: var(--blue); }

/* 三端：电脑屏幕随滚动"打开" */
.ends__stage { perspective: 2200px; }
.laptop__screen { transform-origin: 50% 100%; transform: perspective(1800px) rotateX(var(--open, 0deg)); will-change: transform; }
.ends__stage .phone { transform: translateY(var(--rise, 0px)); }

/* AI 对话：依次出现 */
.js [data-msg] { opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js [data-msg].is-in { opacity: 1; transform: none; }
.js .chat__typing.is-gone { display: none; }
.chat__chips { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.chat__chips span { height: 34px; padding: 0 14px; border-radius: 999px; display: inline-flex; align-items: center; background: #fff; box-shadow: inset 0 0 0 1px #d6e1f2; font-size: 13px; color: var(--blue); }
.chat__typing { padding: 16px 18px; }

@media (max-width: 860px) {
  .life__visual { height: 340px; margin-top: 28px; }
  .life__intro { position: static; }
  .js .stages.has-active .stage { opacity: 1; }
  .lv__phone { --z: .5; }
}
.board .funnel i { width: var(--w); }
.js .board .funnel i { width: 0; transition: width 1.1s var(--ease) .3s; }
.js .board.is-seen .funnel i { width: var(--w); }
.js .board .table tr { opacity: 0; transform: translateY(8px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js .board.is-seen .table tr { opacity: 1; transform: none; }
.js .board.is-seen .table tr:nth-child(2) { transition-delay: .1s; }
.js .board.is-seen .table tr:nth-child(3) { transition-delay: .18s; }
.js .board.is-seen .table tr:nth-child(4) { transition-delay: .26s; }
.js .board.is-seen .table tr:nth-child(5) { transition-delay: .34s; }
.js .board.is-seen .table tr:nth-child(6) { transition-delay: .42s; }
.js .board.is-seen .table tr:nth-child(7) { transition-delay: .5s; }
.js .visual-stack > .phone { transform: translateY(40px); opacity: 0; transition: transform 1s var(--ease) .2s, opacity 1s var(--ease) .2s; }
.js .visual-stack.is-seen > .phone { transform: none; opacity: 1; }