:root {
  --text-caption: 12px;
  --text-small: 14px;
  --text-body: 16px;
  --brand-blue: #2664b5;
  --navy: #172d4a;
  --deep: #0c1a2c;
  --deep-2: #11233b;
  --orange: #f58220;
  --ink: #0f233e;
  --muted: #607085;
  --mist: #f1f4f9;
  --white: #ffffff;
  --green: #36a679;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; margin: 0; scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--ink); background: var(--mist); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
section[id], footer[id] { scroll-margin-top: 96px; }

/* Navigation */
.site-nav { position: fixed; z-index: 100; top: 28px; left: 50%; width: min(1240px, calc(100% - 64px)); height: 68px; padding: 0 13px 0 22px; display: grid; grid-template-columns: 190px 1fr 132px; align-items: center; color: var(--ink); background: rgba(255,255,255,.47); border: 1px solid rgba(255,255,255,.8); border-radius: 999px; box-shadow: 0 18px 65px rgba(23, 45, 74, .1), inset 0 1px rgba(255,255,255,.92); backdrop-filter: blur(26px) saturate(145%); -webkit-backdrop-filter: blur(26px) saturate(145%); transform: translateX(-50%); transition: top .35s ease, height .35s ease, background .35s ease, box-shadow .35s ease; }
.site-nav.is-scrolled { top: 16px; height: 60px; background: rgba(255,255,255,.68); box-shadow: 0 12px 45px rgba(23, 45, 74, .12), inset 0 1px rgba(255,255,255,.92); }
.brand { width: 148px; height: 42px; display: flex; align-items: center; overflow: hidden; }
.brand img { width: 139px; max-height: 40px; object-fit: contain; object-position: left center; }
.desktop-nav { display: flex; justify-content: center; gap: 35px; font-size: 14px; font-weight: 540; }
.desktop-nav a { opacity: .82; transition: opacity .2s ease; }
.desktop-nav a:hover { opacity: 1; }
.nav-cta { height: 44px; padding: 0 18px; display: flex; justify-content: center; align-items: center; gap: 7px; color: white; background: var(--navy); border-radius: 999px; font-size: 14px; font-weight: 640; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 0; border-radius: 50%; background: var(--navy); cursor: pointer; }
.menu-toggle i { width: 16px; height: 1px; margin: 4px auto; display: block; background: white; transition: transform .25s ease; }
.menu-toggle[aria-expanded="true"] i:first-child { transform: translateY(2.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] i:last-child { transform: translateY(-2.5px) rotate(-45deg); }
.mobile-menu { position: fixed; z-index: 95; top: 88px; left: 14px; right: 14px; padding: 24px; display: grid; gap: 4px; color: var(--ink); background: rgba(247, 250, 253, .88); border: 1px solid rgba(255,255,255,.9); border-radius: 28px; box-shadow: 0 24px 80px rgba(23, 45, 74, .18); backdrop-filter: blur(28px) saturate(145%); -webkit-backdrop-filter: blur(28px) saturate(145%); }
.mobile-menu[hidden] { display: none; }
.mobile-menu a { padding: 13px 4px; border-bottom: 1px solid rgba(23, 45, 74, .09); font-size: 16px; font-weight: 590; }
.mobile-menu .mobile-contact { margin-top: 10px; padding: 14px 18px; color: white; background: var(--navy); border: 0; border-radius: 999px; text-align: center; }

/* Hero */
.hero { position: relative; width: 100%; min-height: 880px; height: 100svh; max-height: 1020px; overflow: hidden; isolation: isolate; background: #f1f4f9; }
.hero-scene, .hero-wash { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-scene { z-index: -3; object-fit: cover; object-position: center; }
.hero-wash { z-index: -2; background: linear-gradient(90deg, rgba(248, 250, 252, .99) 0%, rgba(248, 250, 252, .95) 30%, rgba(248, 250, 252, .38) 48%, rgba(248, 250, 252, .05) 76%), linear-gradient(180deg, rgba(255,255,255,.2) 0%, rgba(255,255,255,.04) 26%, rgba(243, 247, 252, .6) 50%, rgba(247, 250, 253, .93) 65%, #f1f4f9 79%, #f1f4f9 100%); }
.hero-copy { position: absolute; z-index: 5; top: 16%; left: max(5.2vw, 62px); width: min(520px, 42vw); }
.category { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; font-size: var(--text-caption); font-weight: 720; letter-spacing: .1em; }
.category i { width: 27px; height: 1px; background: currentColor; opacity: .27; }
.category strong { color: var(--brand-blue); font-size: var(--text-caption); font-weight: 680; letter-spacing: .04em; }
.hero-copy h1 { margin: 0; font-size: clamp(44px, 3.85vw, 56px); line-height: 1.24; font-weight: 580; letter-spacing: -.063em; }
.hero-copy h1 em { color: var(--brand-blue); font-style: normal; }
.hero-copy > p { width: 488px; max-width: 100%; margin: 27px 0 0; color: rgba(15, 35, 62, .7); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 20px; margin-top: 33px; }
.hero-actions a { font-size: var(--text-small); font-weight: 660; }
.primary-action { min-height: 48px; padding: 0 20px; display: inline-flex; align-items: center; gap: 8px; color: white; background: var(--navy); border-radius: 999px; box-shadow: 0 14px 35px rgba(23, 45, 74, .13); }
.text-action { padding: 11px 0 8px; border-bottom: 1px solid currentColor; opacity: .78; }
/* Hero trace：标注脱离图像内容，落在下方冷白承载带，字号与正文同级 */
.hero-trace { position: absolute; z-index: 7; left: max(5.2vw, 62px); right: max(5.2vw, 62px); bottom: 8%; color: var(--navy); }
.trace-entry { display: flex; align-items: center; gap: 13px; }
.trace-entry small { color: var(--orange); font-size: var(--text-caption); font-weight: 800; letter-spacing: .06em; }
.trace-entry strong { margin-top: 3px; display: block; color: var(--navy); font-size: 14px; font-weight: 660; }
.signal-wave { width: 46px; height: 28px; display: flex; align-items: center; gap: 3px; }
.signal-wave i { width: 2px; height: 8px; display: block; border-radius: 99px; background: var(--brand-blue); opacity: .65; }
.signal-wave i:nth-child(2), .signal-wave i:nth-child(6) { height: 15px; }
.signal-wave i:nth-child(3), .signal-wave i:nth-child(5) { height: 23px; }
.signal-wave i:nth-child(4) { height: 12px; background: var(--orange); }
.trace-rail { position: relative; height: 1px; margin: 17px 0 0; display: block; background: linear-gradient(90deg, rgba(38, 100, 181, .06), rgba(38, 100, 181, .3) 24%, rgba(38, 100, 181, .34) 52%, rgba(245,130,32,.42) 78%, rgba(245,130,32,.16)); }
.trace-steps { margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 34px; list-style: none; }
.trace-step { position: relative; padding: 26px 0 0; }
.trace-step + .trace-step { padding-left: 34px; }
.trace-node { position: absolute; top: 0; left: 0; width: 13px; height: 13px; display: grid; place-items: center; background: #f1f4f9; border: 1px solid rgba(38, 100, 181, .42); border-radius: 50%; transform: translateY(-50%); }
.trace-node i { width: 5px; height: 5px; display: block; border-radius: 50%; background: var(--brand-blue); }
.trace-decision .trace-node { border-color: rgba(245,130,32,.75); box-shadow: 0 0 0 9px rgba(245,130,32,.09); }
.trace-decision .trace-node i { background: var(--orange); }
.trace-step + .trace-step { border-left: 1px solid rgba(23, 45, 74, .1); }
.trace-label { display: block; color: var(--brand-blue); font-size: var(--text-caption); font-weight: 760; letter-spacing: .02em; }
.trace-label i { color: var(--orange); font-style: normal; }
.trace-title { margin: 12px 0 0; color: var(--navy); font-size: 16px; line-height: 1.5; font-weight: 700; }
.trace-reco { margin: 6px 0 0; color: var(--brand-blue); font-size: 20px; line-height: 1.45; font-weight: 730; letter-spacing: -.01em; }
.trace-basis { margin: 9px 0 0; max-width: 360px; color: rgba(23, 45, 74, .62); font-size: var(--text-small); line-height: 1.7; }
.trace-meta { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 16px; color: rgba(23, 45, 74, .72); font-size: var(--text-small); font-weight: 600; }
.trace-meta b { margin-right: 3px; color: var(--navy); font-size: 16px; font-weight: 720; }
.trace-state { width: fit-content; margin-top: 15px; padding: 6px 12px; display: flex; align-items: center; gap: 7px; color: var(--navy); background: rgba(255,255,255,.66); border: 1px solid rgba(255,255,255,.92); border-radius: 999px; box-shadow: 0 10px 28px rgba(23, 45, 74, .08); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); font-size: var(--text-small); font-weight: 640; }
.trace-state i { width: 6px; height: 6px; display: block; border-radius: 50%; background: var(--orange); }
.trace-strong { margin-top: 13px; display: block; color: var(--navy); font-size: 16px; line-height: 1.5; font-weight: 690; }
.trace-status { width: fit-content; margin-top: 14px; padding: 6px 12px; display: flex; align-items: center; gap: 7px; color: #1c6b4e; background: rgba(54,166,121,.1); border-radius: 999px; font-size: var(--text-small); font-weight: 640; }
.trace-status i { width: 6px; height: 6px; display: block; border-radius: 50%; background: var(--green); }
.trace-note { margin: 11px 0 0; color: rgba(23, 45, 74, .6); font-size: var(--text-small); line-height: 1.7; }

/* 短视口（≤880px 高）桌面端压缩首屏，保证标注带不落到折叠线以下 */
@media (min-width: 901px) and (max-height: 880px) {
  .hero { min-height: 760px; }
  .hero-copy { top: 13%; }
  .hero-copy h1 { font-size: clamp(38px, 3.4vw, 52px); }
  .hero-copy > p { margin-top: 20px; line-height: 1.82; }
  .hero-actions { margin-top: 26px; }
  .hero-trace { bottom: 4%; }
  .trace-rail { margin-top: 13px; }
  .trace-step { padding-top: 22px; }
  .trace-title { margin-top: 9px; font-size: 15px; }
  .trace-reco { margin-top: 4px; font-size: 18px; }
  .trace-basis { margin-top: 7px; font-size: var(--text-caption); }
  .trace-meta { margin-top: 10px; font-size: var(--text-caption); }
  .trace-state { margin-top: 11px; padding: 5px 10px; font-size: var(--text-caption); }
  .trace-strong { margin-top: 10px; font-size: 15px; }
  .trace-status { margin-top: 11px; padding: 5px 10px; font-size: var(--text-caption); }
  .trace-note { margin-top: 8px; font-size: var(--text-caption); }
}

/* Glass surfaces keep the continuous trace readable over the hero image. */
.trace-step::before { content: ""; position: absolute; z-index: -1; inset: 14px -14px -16px; border: 1px solid rgba(255,255,255,.84); border-radius: 18px; background: rgba(255,255,255,.48); box-shadow: 0 10px 32px rgba(23, 45, 74, .06), inset 0 1px 0 rgba(255,255,255,.9); backdrop-filter: blur(16px) saturate(115%); -webkit-backdrop-filter: blur(16px) saturate(115%); }
.trace-decision::before { background: rgba(255,255,255,.76); box-shadow: 0 16px 42px rgba(23, 45, 74, .1), inset 0 1px 0 white; }
.trace-step + .trace-step { padding-left: 18px; border-left: 0; }
.trace-basis, .trace-note { color: #47576c; }
.trace-label { font-size: var(--text-small); }
.business-intro h2, .showcase-head h2, .cta-copy h2 { margin-top: 0; }

/* Shared */
.section-kicker { color: #80b0ef; font-size: var(--text-caption); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .75s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* 提示条与预约沟通面板 */
.site-toast { position: fixed; z-index: 200; left: 50%; bottom: 34px; max-width: min(560px, calc(100% - 40px)); padding: 14px 20px; color: white; background: rgba(12, 26, 44, .95); border-radius: 14px; box-shadow: 0 20px 55px rgba(12, 26, 44, .3); font-size: var(--text-small); line-height: 1.6; opacity: 0; transform: translate(-50%, 12px); transition: opacity .24s ease, transform .24s ease; }
.site-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.site-toast[hidden] { display: none; }

.booking-panel { position: fixed; z-index: 190; inset: 0; display: grid; place-items: center; padding: 24px; }
.booking-panel[hidden] { display: none; }
.booking-backdrop { position: absolute; inset: 0; background: rgba(12, 26, 44, .42); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); opacity: 0; transition: opacity .22s ease; }
.booking-panel.is-open .booking-backdrop { opacity: 1; }
.booking-card { position: relative; width: min(460px, 100%); padding: 34px 34px 30px; color: var(--ink); background: #f1f4f9; border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius-lg); box-shadow: 0 40px 110px rgba(12, 26, 44, .32); opacity: 0; transform: translateY(14px); transition: opacity .22s ease, transform .26s cubic-bezier(.2,.7,.2,1); }
.booking-panel.is-open .booking-card { opacity: 1; transform: none; }
.booking-close { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; display: grid; place-items: center; color: rgba(15, 35, 62, .5); background: rgba(237, 241, 247, .9); border: 0; border-radius: 50%; cursor: pointer; font-size: var(--text-small); }
.booking-close:hover { color: var(--navy); }
.booking-card h3 { margin: 16px 0 0; font-size: 24px; line-height: 1.45; font-weight: 640; letter-spacing: -.02em; }
.booking-card > p { margin: 14px 0 0; color: rgba(15, 35, 62, .66); font-size: 14px; line-height: 1.85; }
.booking-card > p.booking-note { margin-top: 16px; padding: 11px 14px; color: var(--brand-blue); background: rgba(38, 100, 181, .07); border-radius: 12px; font-size: var(--text-small); font-weight: 620; }
.booking-qr { margin-top: 22px; display: grid; place-items: center; min-height: 208px; padding: 18px; background: white; border: 1px solid rgba(23, 45, 74, .1); border-radius: var(--radius-md); }
.booking-qr img { width: 172px; height: 172px; object-fit: contain; }
.booking-qr-fallback { display: grid; gap: 8px; text-align: center; }
.booking-qr-fallback[hidden] { display: none; }
.booking-qr-fallback strong { color: var(--navy); font-size: 14px; font-weight: 660; }
.booking-qr-fallback span { color: rgba(15, 35, 62, .55); font-size: var(--text-caption); line-height: 1.75; }
.booking-qr-fallback code { padding: 2px 6px; background: rgba(237, 241, 247, .9); border-radius: 6px; font-size: var(--text-caption); }
.booking-actions { margin-top: 22px; display: flex; align-items: center; gap: 18px; }
.booking-actions .text-action { color: rgba(15, 35, 62, .68); }

/* Business proof */
.business-proof { position: relative; padding: 112px max(5.2vw, 62px) 56px; overflow: hidden; isolation: isolate; color: white; background: var(--deep); }
.business-proof::before { content: ""; position: absolute; z-index: -3; inset: 0; background: linear-gradient(135deg, rgba(38, 100, 181, .13), transparent 42%), radial-gradient(circle at 73% 45%, rgba(44, 83, 135, .2), transparent 38%); }
.business-glow { position: absolute; z-index: -2; left: 27%; right: -8%; top: 18%; height: 58%; border: 1px solid rgba(128, 163, 208, .12); border-radius: 50%; box-shadow: inset 0 0 100px rgba(84, 124, 176, .08), 0 0 100px rgba(25, 59, 103, .2); transform: rotate(-5deg); }
.business-intro { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr 420px; align-items: end; gap: 64px; }
.business-intro h2 { margin: 18px 0 0; font-size: clamp(32px, 3vw, 40px); line-height: 1.32; font-weight: 560; letter-spacing: -.048em; }
.business-intro h2 em { color: #8ab1e5; font-style: normal; }
.business-context { margin: 0 0 8px; }
.business-context strong { display: flex; align-items: center; gap: 11px; color: #b7ceeb; font-size: var(--text-small); font-weight: 700; letter-spacing: .04em; }
.business-context strong::after { content: ""; width: 46px; height: 1px; background: linear-gradient(90deg, rgba(142, 185, 241, .65), transparent); }
.business-context p { margin: 16px 0 0; color: rgba(222, 231, 242, .65); font-size: 14px; line-height: 2; }
.business-canvas { position: relative; max-width: 1240px; height: 500px; margin: 56px auto 0; overflow: hidden; border: 1px solid rgba(169, 191, 219, .18); border-radius: var(--radius-lg); background: linear-gradient(90deg, rgba(255,255,255,.025), rgba(255,255,255,.055) 51%, rgba(255,255,255,.018)); }
.canvas-grid { position: absolute; inset: 0; opacity: .36; background-image: linear-gradient(rgba(164, 190, 223, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(164, 190, 223, .06) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(90deg, transparent, #000 18%, #000 84%, transparent); }
.work-zone { position: absolute; top: 0; bottom: 0; padding: 30px 28px; border-right: 1px solid rgba(169, 191, 219, .12); }
.zone-field { left: 0; width: 34%; }
.zone-management { left: 34%; width: 35%; }
.zone-collaboration { left: 69%; width: 31%; border-right: 0; }
.zone-heading { position: relative; z-index: 3; display: grid; grid-template-columns: 26px auto; gap: 0 8px; }
.zone-heading > i { grid-row: 1 / span 2; color: var(--orange); font-size: var(--text-caption); font-style: normal; font-weight: 800; }
.zone-heading > span { color: rgba(255,255,255,.9); font-size: 14px; font-weight: 690; }
.zone-heading > small { margin-top: 5px; color: rgba(183, 201, 225, .5); font-size: var(--text-caption); letter-spacing: .04em; }
.work-zone > p { position: absolute; z-index: 3; left: 28px; right: 28px; bottom: 26px; margin: 0; color: rgba(208, 220, 235, .65); font-size: var(--text-caption); line-height: 1.65; }
.zone-management > p { bottom: 68px; }
.visit-crop { position: absolute; left: 24px; right: 20px; top: 96px; height: 240px; overflow: hidden; opacity: .8; border: 1px solid rgba(169, 191, 219, .14); border-radius: var(--radius-md); transform: perspective(900px) rotateY(6deg); transform-origin: left center; }
.visit-crop img { width: 100%; height: 100%; object-fit: cover; object-position: 35% 42%; filter: saturate(.7) contrast(.95) brightness(.86); }
.visit-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12, 26, 44, .1), rgba(12, 26, 44, .6)); }
.voice-capture { position: absolute; z-index: 3; left: 49px; right: 10px; top: 268px; padding: 14px 16px; display: flex; align-items: center; gap: 13px; background: rgba(19, 38, 62, .77); border: 1px solid rgba(147, 176, 215, .22); border-radius: var(--radius-sm); box-shadow: 0 18px 45px rgba(0,0,0,.24); backdrop-filter: blur(14px); }
.voice-capture > div { display: grid; gap: 5px; }
.voice-capture small { color: rgba(190, 206, 228, .6); font-size: var(--text-caption); }
.voice-capture b { color: rgba(255,255,255,.9); font-size: var(--text-small); font-weight: 650; }
.voice-bars { width: 35px; height: 25px; display: flex; align-items: center; gap: 3px; }
.voice-bars i { width: 2px; height: 8px; display: block; border-radius: 4px; background: #8ab1e5; }
.voice-bars i:nth-child(2), .voice-bars i:nth-child(4) { height: 17px; }
.voice-bars i:nth-child(3) { height: 24px; background: var(--orange); }
.customer-state { position: absolute; z-index: 2; left: 24px; right: 24px; top: 112px; padding: 26px 24px 22px; background: linear-gradient(145deg, rgba(43, 72, 110, .8), rgba(14, 30, 52, .76)); border: 1px solid rgba(149, 179, 219, .22); border-radius: var(--radius-md); box-shadow: 0 24px 70px rgba(0,0,0,.24), inset 0 1px rgba(255,255,255,.08); }
.state-head { display: flex; justify-content: space-between; color: #8ab1e5; font-size: var(--text-caption); }
.state-head i { color: #79d0ae; font-style: normal; }
.customer-state > strong { max-width: 270px; margin-top: 30px; display: block; color: white; font-size: 17px; line-height: 1.55; font-weight: 640; }
.state-evidence { margin-top: 24px; display: flex; gap: 18px; color: rgba(196, 210, 228, .6); font-size: var(--text-caption); }
.state-evidence b { margin-right: 3px; color: #d9e4f2; font-size: 15px; }
.state-line { height: 1px; margin-top: 22px; overflow: hidden; background: rgba(142, 185, 241, .15); }
.state-line i { width: 72%; height: 100%; display: block; background: linear-gradient(90deg, var(--brand-blue), var(--orange)); }
.collaboration-task { position: absolute; z-index: 2; left: 22px; right: 24px; top: 124px; padding: 24px; color: var(--ink); background: rgba(248, 250, 252, .93); border: 1px solid rgba(255,255,255,.72); border-radius: var(--radius-md); box-shadow: 0 26px 80px rgba(0,0,0,.24); transform: perspective(850px) rotateY(-5deg); transform-origin: right center; }
.task-top { display: flex; justify-content: space-between; align-items: center; color: var(--brand-blue); font-size: var(--text-caption); font-weight: 700; }
.task-top i { padding: 5px 9px; color: #207d5b; background: rgba(54,166,121,.1); border-radius: 999px; font-size: var(--text-caption); font-style: normal; font-weight: 620; }
.collaboration-task > strong { margin-top: 20px; display: block; font-size: 16px; line-height: 1.55; }
.collaboration-task > p { margin: 12px 0 0; color: rgba(15, 35, 62, .58); font-size: var(--text-caption); line-height: 1.7; }
.task-owners { margin-top: 20px; display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.task-owners span { padding: 5px 12px; color: var(--navy); background: rgba(237, 241, 247, .9); border: 1px solid rgba(23, 45, 74, .14); border-radius: 999px; font-size: var(--text-caption); font-weight: 620; }
.task-owners b { margin-left: auto; color: rgba(15, 35, 62, .55); font-size: var(--text-caption); font-weight: 620; }
.business-memory { position: absolute; z-index: 5; left: 44%; bottom: 22px; padding-left: 15px; border-left: 2px solid var(--orange); }
.business-memory span { color: #8ab1e5; font-size: var(--text-caption); font-weight: 700; }
.business-memory p { margin: 5px 0 0; color: rgba(215, 225, 239, .68); font-size: var(--text-caption); }
.evidence-strip { max-width: 1240px; margin: 40px auto 0; display: flex; align-items: center; justify-content: center; color: white; }
.evidence-strip > span { min-width: 220px; display: grid; gap: 7px; text-align: center; }
.evidence-strip small { color: rgba(189, 204, 224, .55); font-size: var(--text-caption); letter-spacing: .08em; }
.evidence-strip strong { font-size: 15px; font-weight: 640; }
.evidence-strip > i { width: 1px; height: 35px; margin: 0 42px; background: rgba(186, 204, 227, .16); }

/* One medical-business example, with sources and professional handoffs. */
.business-example { max-width: 1240px; margin: 44px auto 0; }
.example-context { margin: 0 0 20px; color: #d9e4f2; font-size: 16px; line-height: 1.7; }
.example-context span { display: inline-block; margin-right: 16px; color: #b7ceeb; font-size: 12px; }
.business-example .business-canvas { height: auto; margin: 0; display: grid; grid-template-columns: 1fr 1.1fr 1fr; }
.business-example .work-zone { position: relative; inset: auto; width: auto; min-height: 0; padding: 26px 24px; display: flex; flex-direction: column; gap: 22px; }
.business-example .work-zone > p { position: static; margin: auto 0 0; color: #c5cfdd; font-size: 14px; line-height: 1.8; }
.business-example .visit-crop { position: relative; inset: auto; height: 120px; flex-shrink: 0; transform: none; }
.visit-quote { margin: 0; font-size: 16px; line-height: 1.8; color: #f1f4f9; }
.business-example .customer-state, .business-example .collaboration-task { position: static; margin: 0; padding: 20px; transform: none; }
.business-example .customer-state > strong { margin-top: 20px; }
.example-evidence, .example-owners { margin: 20px 0 0; font-size: 14px; line-height: 1.65; }
.example-evidence > div, .example-owners > div { padding: 10px 0; border-top: 1px solid rgba(161, 180, 206, .25); }
.example-evidence dt { color: #b7ceeb; font-size: 12px; }
.example-evidence dd { margin: 4px 0 0; color: #d9e4f2; }
.example-owners > div { display: grid; grid-template-columns: 32px 1fr; gap: 10px; }
.example-owners dt { color: var(--brand-blue); font-weight: 650; }
.example-owners dd { margin: 0; color: #47576c; }
.business-example .business-memory { position: static; margin: 24px 0 0; padding-left: 18px; }
.business-example .business-memory > span { font-size: 16px; }
.business-example .business-memory p { max-width: 900px; font-size: 14px; line-height: 1.8; }
.business-example .business-memory small { display: block; margin-top: 10px; color: #adbacc; font-size: 12px; line-height: 1.6; }
@media (max-width: 900px) {
  .business-example .business-canvas { display: block; }
  .business-example .work-zone { padding: 28px 0; gap: 20px; }
  .business-example .visit-crop { height: 160px; }
  .business-example .work-zone > p { margin: 0; }
}

/* Editorial stage */
.editorial-showcase { position: relative; padding: 128px max(5.2vw, 62px) 140px; overflow: hidden; background: #f1f4f9; }
.editorial-showcase::before { content: ""; position: absolute; right: -18%; top: -12%; width: 64%; height: 58%; border: 1px solid rgba(38, 100, 181, .07); border-radius: 50%; transform: rotate(-10deg); }
.showcase-head { position: relative; z-index: 2; max-width: 1240px; margin: 0 auto 54px; display: grid; grid-template-columns: 1fr 390px; align-items: end; gap: 80px; }
.showcase-head .section-kicker { color: var(--brand-blue); }
.showcase-head h2 { margin: 17px 0 0; font-size: clamp(32px, 3vw, 40px); line-height: 1.28; font-weight: 560; letter-spacing: -.05em; }
.showcase-head h2 em { color: var(--brand-blue); font-style: normal; }
.showcase-head > p { margin: 0 0 5px; color: rgba(15, 35, 62, .62); font-size: 14px; line-height: 1.9; }
.editorial-spread { position: relative; z-index: 2; max-width: 1240px; height: 740px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.72fr) minmax(340px, .88fr); overflow: hidden; border: 1px solid rgba(23, 45, 74, .12); border-radius: var(--radius-lg); background: white; box-shadow: 0 30px 90px rgba(23, 45, 74, .08); }
.solution-stage { position: relative; min-width: 0; min-height: 0; overflow: hidden; color: white; background: var(--deep); }
.stage-label { position: absolute; z-index: 8; top: 25px; left: 27px; display: grid; gap: 3px; color: white; }
.stage-label span { font-size: var(--text-caption); font-weight: 700; }
.stage-label small { color: rgba(255,255,255,.6); font-size: var(--text-caption); letter-spacing: .1em; text-transform: uppercase; }
.solution-slide { position: absolute; z-index: 1; inset: 0; overflow: hidden; opacity: 0; pointer-events: none; transform: scale(1.018); transition: opacity .6s ease, transform 1s cubic-bezier(.2,.7,.2,1); }
.solution-slide.is-active { z-index: 2; opacity: 1; pointer-events: auto; transform: none; }
.solution-slide > img { width: 100%; height: 100%; object-fit: cover; object-position: 72% 38%; filter: saturate(.68) contrast(.95) brightness(.76); }
.solution-slide:nth-of-type(2) > img { object-position: 38% 34%; }
.solution-slide:nth-of-type(3) > img { filter: saturate(.66) contrast(.98) brightness(.72); }
.slide-wash { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 21, 36, .92) 0%, rgba(10, 21, 36, .65) 44%, rgba(10, 21, 36, .12) 75%), linear-gradient(180deg, rgba(10, 21, 36, .25), transparent 42%, rgba(10, 21, 36, .56)); }
.slide-copy { position: absolute; z-index: 3; left: 7%; bottom: 11%; width: min(460px, 62%); }
.slide-copy > span { color: #97bef2; font-size: var(--text-caption); font-weight: 700; letter-spacing: .08em; }
.slide-copy h3 { margin: 16px 0 0; font-size: clamp(26px, 2.25vw, 34px); line-height: 1.42; font-weight: 560; letter-spacing: -.035em; }
.slide-copy p { max-width: 430px; margin: 17px 0 0; color: rgba(223, 231, 241, .75); font-size: var(--text-small); line-height: 1.8; }
.slide-copy a { margin-top: 22px; display: inline-flex; align-items: center; gap: 8px; padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,.55); font-size: var(--text-small); font-weight: 650; }
.slide-copy a i { font-style: normal; }
.stage-controls { position: absolute; z-index: 8; top: 20px; right: 22px; min-height: 48px; padding: 6px 7px 6px 16px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: white; background: rgba(12, 26, 44, .62); border: 1px solid rgba(255,255,255,.16); border-radius: 999px; box-shadow: 0 14px 36px rgba(4, 12, 22, .18); backdrop-filter: blur(16px) saturate(120%); -webkit-backdrop-filter: blur(16px) saturate(120%); }
.slide-dots { display: flex; gap: 22px; }
.slide-dots button { padding: 8px 0; display: flex; align-items: center; gap: 8px; color: rgba(214, 223, 235, .45); background: none; border: 0; cursor: pointer; font-size: var(--text-caption); white-space: nowrap; }
.slide-dots button span { color: rgba(245,130,32,.58); font-size: var(--text-caption); }
.slide-dots button.is-active { color: white; }
.slide-dots button.is-active span { color: var(--orange); }
.arrow-controls { display: flex; gap: 6px; }
.arrow-controls button, .insight-controls button { width: 35px; height: 35px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: white; background: transparent; cursor: pointer; }
.insight-column { min-width: 0; min-height: 0; padding: 24px 22px 18px; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; color: var(--ink); background: #f1f4f9; border-left: 1px solid rgba(23, 45, 74, .08); }
.insight-head { padding-bottom: 14px; display: flex; align-items: flex-end; justify-content: space-between; border-bottom: 1px solid rgba(23, 45, 74, .13); }
.insight-head > div { display: grid; gap: 4px; }
.insight-head span { color: var(--brand-blue); font-size: var(--text-caption); font-weight: 700; letter-spacing: .12em; }
.insight-head h3 { margin: 0; font-size: 16px; font-weight: 650; }
.insight-head > a { padding-bottom: 2px; font-size: var(--text-caption); border-bottom: 1px solid currentColor; opacity: .58; }
.insight-scroll { min-height: 0; overflow-y: auto; overscroll-behavior: contain; scroll-snap-type: y proximity; scrollbar-width: none; }
.insight-scroll::-webkit-scrollbar { display: none; }
.insight-story { height: 196px; min-height: 196px; padding: 16px 0; display: grid; grid-template-columns: 96px 1fr; gap: 14px; align-items: start; border-bottom: 1px solid rgba(23, 45, 74, .12); scroll-snap-align: start; }
.insight-story img { width: 96px; height: 112px; object-fit: cover; border-radius: var(--radius-sm); filter: saturate(.68) contrast(.94); }
.insight-story > div { min-width: 0; display: grid; }
.insight-story span { color: var(--brand-blue); font-size: var(--text-caption); font-weight: 700; letter-spacing: .04em; }
.insight-story h4 { margin: 9px 0 0; font-size: 14px; line-height: 1.5; font-weight: 620; letter-spacing: -.01em; }
.insight-story time { margin-top: 11px; color: rgba(15, 35, 62, .45); font-size: var(--text-caption); }
.insight-controls { padding-top: 13px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(23, 45, 74, .13); }
.insight-controls > span { color: rgba(15, 35, 62, .45); font-size: var(--text-caption); letter-spacing: .04em; }
.insight-controls > div { display: flex; gap: 6px; }
.insight-controls button { width: 32px; height: 32px; color: var(--ink); border-color: rgba(23, 45, 74, .18); }

/* Conversation CTA */
.conversation-cta { position: relative; min-height: 800px; padding: 118px max(5.2vw, 62px) 90px; display: grid; grid-template-columns: minmax(360px, .82fr) minmax(560px, 1.18fr); align-items: center; gap: 56px; overflow: hidden; isolation: isolate; background: #f8f9fb; }
.conversation-cta::before { content: ""; position: absolute; z-index: -2; inset: 0; background: linear-gradient(100deg, rgba(255,255,255,.96), rgba(244, 247, 251, .5) 58%, rgba(226, 234, 244, .8)); }
.cta-orbit { position: absolute; z-index: -1; right: -14%; top: 3%; width: 65%; height: 105%; border: 1px solid rgba(38, 100, 181, .09); border-radius: 50%; transform: rotate(-8deg); box-shadow: inset 0 0 130px rgba(58, 94, 141, .07); }
.cta-copy { max-width: 520px; margin-left: max(0px, calc((100vw - 1240px) / 2 - 5.2vw)); }
.cta-copy .section-kicker { color: var(--brand-blue); }
.cta-copy h2 { margin: 20px 0 0; font-size: clamp(32px, 3vw, 40px); line-height: 1.3; font-weight: 560; letter-spacing: -.052em; }
.cta-copy h2 em { color: var(--brand-blue); font-style: normal; }
.cta-copy p { max-width: 455px; margin: 25px 0 0; color: rgba(15, 35, 62, .64); font-size: 15px; line-height: 2; }
.cta-promise { margin-top: 31px; display: flex; align-items: center; gap: 10px; color: rgba(15, 35, 62, .58); font-size: var(--text-caption); }
.cta-promise i { width: 8px; height: 8px; display: block; border: 2px solid white; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(245,130,32,.1); }
.assistant-stage { position: relative; min-width: 0; height: 570px; }
.assistant-visual { position: absolute; z-index: 8; top: 0; left: 0; right: 0; height: 275px; pointer-events: none; }
.whale-greeting { position: absolute; z-index: 9; left: 34%; top: 63px; max-width: 285px; padding: 17px 20px 18px; color: var(--ink); background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.92); border-radius: 22px 22px 22px 6px; box-shadow: 0 18px 55px rgba(23, 45, 74, .1); backdrop-filter: blur(18px) saturate(135%); -webkit-backdrop-filter: blur(18px) saturate(135%); }
.whale-greeting::after { content: ""; position: absolute; left: -13px; bottom: 14px; width: 23px; height: 23px; background: inherit; border-bottom: inherit; border-left: inherit; transform: rotate(45deg); }
.whale-greeting span { position: relative; z-index: 1; display: flex; align-items: center; gap: 7px; color: var(--brand-blue); font-size: var(--text-caption); font-weight: 700; letter-spacing: .05em; }
.whale-greeting span i { width: 6px; height: 6px; display: block; border-radius: 50%; background: #36a679; box-shadow: 0 0 0 4px rgba(54,166,121,.1); }
.whale-greeting p { position: relative; z-index: 1; min-width: 218px; margin: 9px 0 0; font-size: 16px; line-height: 1.55; font-weight: 620; transition: opacity .18s ease, transform .18s ease; }
.whale-greeting p.is-switching { opacity: 0; transform: translateY(4px); }
.whale-peek { position: absolute; z-index: 8; left: 4%; bottom: -8px; width: 185px; transform-origin: center bottom; animation: whale-float 4.6s ease-in-out infinite; }
.whale-peek::after { content: ""; position: absolute; z-index: 1; left: 22%; right: 22%; bottom: -1px; height: 10px; border-radius: 50%; background: rgba(23, 45, 74, .18); filter: blur(7px); }
.whale-peek img { position: relative; z-index: 2; width: 100%; filter: drop-shadow(0 18px 24px rgba(22, 45, 75, .16)); }
.whale-wave { position: absolute; z-index: 9; left: 26%; top: 78px; width: 45px; height: 55px; }
.whale-wave i { position: absolute; left: 0; top: 15px; width: 20px; height: 20px; border-top: 2px solid rgba(38, 100, 181, .42); border-right: 2px solid rgba(38, 100, 181, .42); border-radius: 0 100% 0 0; transform: rotate(18deg); animation: hello-wave 2.8s ease-in-out infinite; }
.whale-wave i:nth-child(2) { left: 9px; top: 4px; width: 29px; height: 30px; border-color: rgba(245,130,32,.46); animation-delay: -.35s; }
.assistant-console { position: absolute; z-index: 7; left: 0; right: 0; bottom: 0; min-height: 330px; padding: 22px; color: var(--ink); background: rgba(255,255,255,.76); border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius-lg); box-shadow: 0 30px 90px rgba(23, 45, 74, .13), inset 0 1px rgba(255,255,255,.9); backdrop-filter: blur(24px) saturate(140%); -webkit-backdrop-filter: blur(24px) saturate(140%); }
.chat-log { height: 122px; padding: 2px 3px 8px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(23, 45, 74, .16) transparent; }
.chat-message { width: fit-content; max-width: 88%; margin-bottom: 10px; padding: 11px 14px; border-radius: 16px; }
.chat-message span { display: block; margin-bottom: 5px; color: var(--brand-blue); font-size: var(--text-caption); font-weight: 700; letter-spacing: .05em; }
.chat-message p { margin: 0; font-size: var(--text-small); line-height: 1.65; }
.chat-message.is-assistant { background: rgba(233, 239, 247, .82); border-radius: 5px 16px 16px 16px; }
.chat-message.is-user { margin-left: auto; color: white; background: var(--navy); border-radius: 16px 5px 16px 16px; }
.chat-message.is-user span { color: rgba(255,255,255,.62); }
.chat-message.is-typing p { display: flex; gap: 4px; padding: 4px 0; }
.chat-message.is-typing i { width: 5px; height: 5px; display: block; border-radius: 50%; background: var(--brand-blue); animation: typing-dot .9s ease-in-out infinite; }
.chat-message.is-typing i:nth-child(2) { animation-delay: .15s; }
.chat-message.is-typing i:nth-child(3) { animation-delay: .3s; }
.chat-booking-link { margin-top: 9px; display: inline-flex; align-items: center; gap: 6px; padding-bottom: 3px; color: var(--brand-blue); border-bottom: 1px solid rgba(38, 100, 181, .36); font-size: var(--text-caption); font-weight: 680; }
.quick-questions { display: flex; gap: 7px; margin-top: 9px; overflow-x: auto; scrollbar-width: none; }
.quick-questions::-webkit-scrollbar { display: none; }
.quick-questions button { flex: 0 0 auto; padding: 9px 13px; color: rgba(15, 35, 62, .68); background: rgba(241, 244, 249, .85); border: 1px solid rgba(23, 45, 74, .09); border-radius: 999px; cursor: pointer; font-size: var(--text-caption); transition: color .2s ease, border-color .2s ease, background .2s ease; }
.quick-questions button:hover { color: var(--brand-blue); background: white; border-color: rgba(38, 100, 181, .25); }
.chat-form { height: 52px; margin-top: 10px; padding: 5px 5px 5px 17px; display: flex; align-items: center; gap: 9px; background: white; border: 1px solid rgba(23, 45, 74, .11); border-radius: 999px; box-shadow: 0 10px 30px rgba(23, 45, 74, .07); }
.chat-form:focus-within { border-color: rgba(38, 100, 181, .38); box-shadow: 0 0 0 4px rgba(38, 100, 181, .07), 0 10px 30px rgba(23, 45, 74, .07); }
.chat-form input { min-width: 0; flex: 1; color: var(--ink); background: transparent; border: 0; outline: 0; font: inherit; font-size: var(--text-small); }
.chat-form input::placeholder { color: rgba(15, 35, 62, .38); }
.chat-form button { height: 40px; padding: 0 15px; display: flex; align-items: center; gap: 7px; color: white; background: var(--navy); border: 0; border-radius: 999px; cursor: pointer; font-size: var(--text-caption); font-weight: 680; }
.chat-form button i { font-style: normal; }
.chat-form button:disabled, .quick-questions button:disabled { cursor: wait; opacity: .5; }
.chat-footnote { margin: 10px 2px 0; color: rgba(15, 35, 62, .45); font-size: var(--text-caption); }

@keyframes whale-float { 0%, 100% { transform: translateY(0) rotate(-.8deg); } 50% { transform: translateY(-7px) rotate(.9deg); } }
@keyframes hello-wave { 0%, 55%, 100% { opacity: 0; transform: scale(.82) rotate(18deg); } 15%, 38% { opacity: 1; transform: scale(1) rotate(18deg); } }
@keyframes typing-dot { 0%, 100% { transform: translateY(0); opacity: .35; } 50% { transform: translateY(-3px); opacity: 1; } }

/* Footer */
.site-footer { padding: 72px max(5.2vw, 62px) 28px; color: white; background: var(--deep); }
.footer-main { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.35fr; gap: 90px; }
.footer-logo { width: 178px; height: auto; filter: brightness(0) invert(1); opacity: .94; }
.footer-brand p { margin: 18px 0 0; color: rgba(215, 225, 239, .6); font-size: var(--text-small); }
.footer-main nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.footer-main nav div { display: grid; align-content: start; gap: 13px; }
.footer-main nav strong { margin-bottom: 6px; color: rgba(255,255,255,.92); font-size: var(--text-small); }
.footer-main nav a { color: rgba(209, 220, 234, .6); font-size: var(--text-small); }
.footer-main nav a:hover { color: white; }
.footer-bottom { max-width: 1240px; margin: 58px auto 0; padding-top: 22px; display: flex; justify-content: space-between; color: rgba(209, 220, 234, .42); border-top: 1px solid rgba(255,255,255,.1); font-size: var(--text-caption); letter-spacing: .03em; }

@media (max-width: 1100px) {
  .business-intro, .showcase-head { grid-template-columns: 1fr 350px; gap: 50px; }
  .business-canvas { height: 520px; }
  .work-zone { padding-left: 20px; padding-right: 20px; }
  .work-zone > p { left: 20px; right: 20px; }
  .voice-capture { left: 32px; }
  .editorial-spread { grid-template-columns: minmax(0, 1.48fr) minmax(330px, .9fr); }
  .slide-dots { gap: 12px; }
  .slide-dots button { gap: 5px; }
  .conversation-cta { grid-template-columns: minmax(310px, .78fr) minmax(500px, 1.22fr); gap: 34px; }
}

@media (max-width: 900px) {
  .site-nav { top: 17px; width: calc(100% - 28px); height: 62px; padding-left: 16px; grid-template-columns: 1fr auto; }
  .site-nav.is-scrolled { top: 12px; height: 58px; }
  .desktop-nav, .site-nav > .nav-cta { display: none; }
  .brand, .brand img { width: 126px; }
  .menu-toggle { display: block; justify-self: end; }

  .hero { min-height: 0; height: auto; max-height: none; padding: 132px 28px 68px; }
  .hero-scene { object-position: 59% top; }
  .hero-wash { background: linear-gradient(180deg, rgba(248, 250, 252, .97) 0%, rgba(248, 250, 252, .93) 30%, rgba(248, 250, 252, .9) 58%, rgba(248, 250, 252, .98) 100%); }
  .hero-copy { position: static; width: 100%; }
  .hero-copy h1 { font-size: clamp(38px, 8vw, 52px); }

  .hero-trace { position: static; left: auto; right: auto; bottom: auto; margin-top: 40px; }
  .trace-entry { display: none; }
  .trace-rail { display: none; }
  .trace-steps { grid-template-columns: 1fr; gap: 0; }
  .trace-step, .trace-step + .trace-step { padding: 22px 0 0 26px; border-left: 1px solid rgba(23, 45, 74, .12); }
  .trace-step:last-child { padding-bottom: 4px; }
  .trace-steps { gap: 20px; }
  .trace-step::before { inset: 10px -8px -10px 12px; border-radius: 14px; }
  .trace-node { top: 22px; left: -6.5px; transform: none; }
  .trace-reco { font-size: 19px; }
  .trace-title, .trace-strong { font-size: 15px; }

  .business-proof { padding: 96px 28px 52px; }
  .business-intro { display: block; }
  .business-context { max-width: 620px; margin-top: 26px; }
  .business-canvas { height: auto; margin-top: 48px; display: grid; overflow: visible; border: 0; border-radius: 0; background: transparent; }
  .canvas-grid { display: none; }
  .work-zone { position: relative; left: auto; top: auto; bottom: auto; width: auto; min-height: 330px; padding: 28px 0; border-right: 0; border-bottom: 1px solid rgba(169, 191, 219, .14); }
  .work-zone > p { left: 0; right: auto; bottom: 27px; }
  .visit-crop { left: 0; right: 28%; top: 78px; height: 190px; }
  .voice-capture { left: 25%; right: 0; top: 185px; }
  .customer-state { left: 10%; right: 8%; top: 75px; }
  .collaboration-task { left: 15%; right: 4%; top: 85px; }
  .business-memory { position: relative; left: auto; bottom: auto; margin: 32px 0 0; }
  .evidence-strip { margin-top: 42px; justify-content: space-between; }
  .evidence-strip > span { min-width: 0; }
  .evidence-strip > i { margin: 0 20px; }

  .editorial-showcase { padding: 108px 28px 110px; }
  .showcase-head { display: block; margin-bottom: 42px; }
  .showcase-head > p { max-width: 560px; margin-top: 24px; }
  .editorial-spread { height: auto; display: block; overflow: visible; border: 0; background: transparent; box-shadow: none; }
  .solution-stage { height: 720px; border: 1px solid rgba(23, 45, 74, .12); border-radius: var(--radius-lg); }
  .solution-slide { inset: 0 0 98px; }
  .stage-controls { top: auto; left: 0; right: 0; bottom: 0; min-height: 0; height: 98px; padding: 0 25px 0 29px; gap: 0; background: rgba(12, 26, 44, .97); border: 0; border-top: 1px solid rgba(255,255,255,.12); border-radius: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .insight-column { height: 720px; margin-top: 18px; overflow: hidden; border: 1px solid rgba(23, 45, 74, .1); border-radius: var(--radius-lg); }
  .conversation-cta { min-height: 1060px; padding: 105px 28px 70px; display: block; }
  .cta-copy { margin: 0; }
  .assistant-stage { max-width: 690px; height: 570px; margin: 40px auto 0; }
  .footer-main { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 600px) {
  .hero { padding: 120px 22px 56px; }
  .site-nav { height: 58px; }
  .brand, .brand img { width: 111px; }
  .menu-toggle { width: 38px; height: 38px; }
  .hero-copy { width: 100%; }
  .category { gap: 8px; margin-bottom: 18px; font-size: var(--text-caption); }
  .category strong { font-size: var(--text-caption); }
  .category i { width: 18px; }
  .hero-copy h1 { font-size: clamp(35px, 10vw, 43px); }
  .hero-copy > p { margin-top: 20px; font-size: 14px; line-height: 1.85; }
  .hero-actions { margin-top: 24px; }
  .hero-actions .text-action { display: none; }
  .hero-trace { margin-top: 34px; }
  .trace-step, .trace-step + .trace-step { padding: 20px 0 0 22px; }
  .trace-node { top: 20px; left: -6.5px; }
  .trace-reco { font-size: 18px; }
  .trace-basis, .trace-note { font-size: var(--text-small); }
  .trace-meta { gap: 12px; font-size: var(--text-caption); }
  .trace-meta b { font-size: 15px; }

  .business-proof { padding: 84px 22px 46px; }
  .business-intro h2, .showcase-head h2, .cta-copy h2 { font-size: 33px; }
  .business-context p, .showcase-head > p, .cta-copy p { font-size: 14px; line-height: 1.85; }
  .work-zone { min-height: 320px; }
  .visit-crop { right: 12%; height: 180px; }
  .voice-capture { left: 15%; top: 180px; padding: 12px; }
  .customer-state { left: 0; right: 0; padding: 22px 18px; }
  .customer-state > strong { margin-top: 24px; font-size: 16px; }
  .state-evidence { gap: 10px; }
  .collaboration-task { left: 0; right: 0; padding: 21px 18px; transform: none; }
  .evidence-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .evidence-strip > span { text-align: left; }
  .evidence-strip strong { font-size: var(--text-caption); line-height: 1.45; }
  .evidence-strip > i { display: none; }

  .editorial-showcase { padding: 90px 22px 92px; }
  .solution-stage { height: 660px; }
  .solution-slide { bottom: 108px; }
  .stage-label { top: 19px; left: 20px; }
  .slide-copy { left: 22px; bottom: 8%; width: calc(100% - 44px); }
  .slide-copy h3 { font-size: 26px; }
  .slide-copy p { font-size: var(--text-caption); }
  .stage-controls { height: 108px; padding: 0 15px; align-items: center; }
  .slide-dots { max-width: calc(100% - 80px); overflow-x: auto; scrollbar-width: none; }
  .slide-dots::-webkit-scrollbar { display: none; }
  .slide-dots button { font-size: 0; }
  .slide-dots button span { font-size: var(--text-caption); }
  .arrow-controls button { width: 32px; height: 32px; }
  .insight-column { height: auto; padding: 23px 18px 18px; }
  .insight-scroll { display: flex; gap: 18px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; }
  .insight-story { min-width: 86%; min-height: 285px; height: auto; display: block; }
  .insight-story img { width: 100%; height: 140px; }
  .insight-story h4 { font-size: 14px; }
  .insight-controls { display: none; }

  .conversation-cta { min-height: 1030px; padding: 90px 22px 45px; }
  .assistant-stage { height: 560px; margin-top: 30px; }
  .assistant-visual { height: 250px; }
  .whale-greeting { left: 35%; top: 18px; max-width: 205px; padding: 14px 16px; }
  .whale-greeting p { font-size: var(--text-small); min-width: 171px; }
  .whale-peek { left: -4px; bottom: -6px; width: 150px; }
  .whale-wave { left: 29%; top: 55px; transform: scale(.82); }
  .assistant-console { min-height: 330px; padding: 17px; border-radius: 22px; }
  .chat-log { height: 125px; }
  .chat-message { max-width: 94%; }
  .quick-questions { margin-right: -17px; padding-right: 17px; }
  .chat-form { padding-left: 14px; }
  .chat-form button span { display: none; }
  .chat-form button { width: 40px; padding: 0; justify-content: center; }
  .footer-logo { width: 152px; }
  .site-footer { padding: 55px 22px 24px; }
  .footer-main nav { gap: 18px; }
  .footer-bottom { margin-top: 42px; display: grid; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* Reading sizes shared by desktop and mobile. */
.hero-copy > p, .business-context p, .showcase-head > p, .cta-copy p, .chat-message p, .chat-form input { font-size: var(--text-body); }
.trace-label, .trace-basis, .trace-note, .trace-meta, .trace-state, .trace-status, .work-zone > p, .collaboration-task > p, .business-memory p, .slide-copy p, .footer-main nav a { font-size: var(--text-small); }
.business-context p, .work-zone > p, .business-memory p, .footer-main nav a { color: #c5cfdd; }
.footer-bottom { color: #adbacc; }
.insight-story time, .chat-footnote { color: #586679; }
.business-intro h2, .showcase-head h2, .cta-copy h2 { margin-top: 0; }
.slide-dots button, .arrow-controls button, .insight-controls button, .booking-close { min-width: 44px; min-height: 44px; }
[data-pending]::after { content: "待上线"; display: inline-block; margin-left: 8px; font-size: var(--text-caption); opacity: .8; }
.insight-story[data-pending]::after { display: none; }
.insight-story[data-pending] h4::after { content: " · 待上线"; font-size: var(--text-caption); font-weight: 400; }
@media (max-width: 900px) { .work-zone { min-height: 365px; } }

/* A continuous translucent surface carries all three process nodes. */
.hero { height: auto; min-height: 100svh; max-height: none; padding: 176px max(5.2vw, 62px) 48px; }
.hero-copy { position: relative; top: auto; left: auto; width: min(520px, 44vw); }
.hero-trace { position: relative; left: auto; right: auto; bottom: auto; margin-top: 56px; padding: 24px 28px 28px; border: 1px solid rgba(255,255,255,.85); border-radius: 22px; background: linear-gradient(115deg, rgba(255,255,255,.64), rgba(224, 233, 245, .4) 55%, rgba(246, 249, 254, .56)); box-shadow: 0 16px 48px rgba(23, 45, 74, .08), inset 0 1px 0 white; backdrop-filter: blur(18px) saturate(125%); -webkit-backdrop-filter: blur(18px) saturate(125%); }
.trace-step::before { content: none; }
.trace-steps { grid-template-columns: 1.4fr 1fr 1fr; align-items: stretch; gap: 28px; }
.trace-step, .trace-step + .trace-step { padding: 22px 0 0; border: 0; }
.trace-step + .trace-step { padding-left: 24px; border-left: 1px solid rgba(23, 45, 74, .12); }
.trace-step + .trace-step .trace-node { left: 24px; }
.trace-state, .trace-status { box-shadow: none; background: transparent; border: 0; padding-left: 0; }
.hero-wash { background: linear-gradient(90deg, rgba(248, 250, 252, .99), rgba(248, 250, 252, .93) 30%, rgba(248, 250, 252, .25) 57%, rgba(248, 250, 252, .04)), linear-gradient(180deg, rgba(255,255,255,.08) 35%, rgba(238, 244, 251, .42) 70%, rgba(248, 250, 252, .82)); }
@media (max-width: 900px) {
  .hero { padding: 150px 28px 48px; }
  .hero-copy { width: 100%; }
  .hero-trace { margin-top: 40px; padding: 24px; }
  .trace-entry { display: flex; }
  .trace-entry strong { font-size: 12px; line-height: 1.7; }
  .trace-steps { grid-template-columns: 1fr; gap: 0; }
  .trace-step, .trace-step + .trace-step { padding: 24px 0 24px 22px; border-left: 1px solid rgba(38, 100, 181, .2); }
  .trace-step:last-child { padding-bottom: 0; }
  .trace-node, .trace-step + .trace-step .trace-node { top: 28px; left: -7px; }
  .trace-entry { margin-bottom: 22px; }
}
@media (max-width: 600px) {
  .hero { padding: 142px 22px 40px; }
  .hero-trace { padding: 20px 18px 24px; border-radius: 18px; }
}