:root {
  --blue: #1268ff;
  --blue-deep: #0646c9;
  --blue-soft: #eaf3ff;
  --cyan: #28b9ff;
  --orange: #ff6a21;
  --orange-soft: #fff1e8;
  --ink: #111827;
  --muted: #667085;
  --line: #dce7f5;
  --surface: #f7fbff;
  --white: #fff;
  --navy: #061b3b;
  --success: #16a66a;
  --shell: 1440px;
  --header-height: 76px;
  --shadow: 0 24px 70px rgba(42, 79, 135, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body { margin: 0; min-width: 320px; color: var(--ink); background: #fff; font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; font-size: 16px; line-height: 1.65; letter-spacing: 0; -webkit-font-smoothing: antialiased; }
body, button, input, textarea, select { font-family: inherit; }
button, input, textarea, select { font-size: 16px; }
body :where(p, li, a, button, input, textarea, select, label, summary, small, span) { font-size: max(14px, 1em); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { border: 0; }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 9999; transform: translateY(-150%); padding: 10px 16px; background: #fff; border: 1px solid var(--blue); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-height); border-bottom: 1px solid transparent; transition: background .3s ease, box-shadow .3s ease, border-color .3s ease; }
.site-header.scrolled { background: rgba(255,255,255,.92); border-color: rgba(20, 68, 140, .1); box-shadow: 0 10px 32px rgba(31, 76, 138, .08); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 56px; }
.brand { display: inline-flex; align-items: center; gap: 14px; flex: 0 0 auto; font-size: 19px; font-weight: 600; line-height: 1.4; }
.brand-mark { position: relative; width: 58px; height: 58px; flex: 0 0 58px; }
.brand-mark img { width: 100%; max-width: none; height: 100%; border-radius: 0; object-fit: contain; transition: filter .25s ease; }
.brand-name { color: #14213d; font-family: inherit; font-size: 19px !important; font-weight: 600; line-height: 1.4; letter-spacing: 0; white-space: nowrap; transition: color .25s ease; }
.header-nav { display: flex; align-items: center; gap: 38px; margin-left: auto; }
.header-nav a { position: relative; color: #344054; font-size: 15px; font-weight: 600; }
.header-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: right .25s ease; }
.header-nav a:hover::after { right: 0; }
.brand:hover .brand-mark img { filter: drop-shadow(0 6px 10px rgba(18,104,255,.18)); }
.brand:hover .brand-name { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.header-phone { display: inline-flex; align-items: center; gap: 8px; color: #344054; font-size: 14px; font-weight: 700; }
.header-phone svg { width: 17px; color: var(--blue); }

.button { position: relative; isolation: isolate; display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 9px; overflow: hidden; padding: 0 26px; border: 1px solid rgba(255,224,204,.95); border-radius: 15px; color: #fff; background: linear-gradient(110deg,#ff4e18 0%,#ff7a22 48%,#ff4a38 100%); box-shadow: inset 0 2px 0 rgba(255,255,255,.72), inset 0 -5px 10px rgba(181,45,18,.24), 0 0 0 2px rgba(255,122,47,.14), 0 12px 24px rgba(255,82,34,.22); text-shadow: 0 1px 3px rgba(139,35,14,.3); font-weight: 800; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, filter .25s ease; }
.button::before { position: absolute; inset: 3px; z-index: -1; border: 1px solid rgba(255,244,233,.5); border-radius: 11px; background: radial-gradient(ellipse at 18% 20%,rgba(255,255,255,.42),transparent 28%), linear-gradient(165deg,rgba(255,255,255,.22),transparent 38%,rgba(255,205,103,.14) 72%,rgba(255,255,255,.08)); content: ""; pointer-events: none; }
.button::after { position: absolute; top: -70%; bottom: -70%; left: -45%; width: 25%; z-index: -1; background: linear-gradient(90deg,transparent,rgba(255,255,255,.76),transparent); filter: blur(2px); transform: skewX(-20deg); content: ""; pointer-events: none; }
.button:hover { transform: translateY(-3px) scale(1.015); filter: saturate(1.1) brightness(1.06); box-shadow: inset 0 2px 0 rgba(255,255,255,.86), inset 0 -5px 10px rgba(181,45,18,.18), 0 0 0 3px rgba(255,127,51,.16), 0 18px 34px rgba(255,76,31,.32); }
.button:hover::after { animation: coral-button-shine .75s ease forwards; }
.button:active { transform: translateY(0) scale(.985); box-shadow: inset 0 3px 8px rgba(145,36,15,.25), 0 6px 15px rgba(255,75,31,.24); }
.button:disabled { cursor: wait; filter: grayscale(.12); opacity: .72; transform: none; }
.button svg { position: relative; z-index: 1; width: 18px; height: 18px; transition: transform .25s ease; }
.button > span, .button { letter-spacing: 0; }
.button:hover svg { transform: translateX(3px); }
.button-small { min-height: 42px; padding-inline: 20px; font-size: 14px; }
@keyframes coral-button-shine { from { left: -42%; } to { left: 126%; } }

.hero { position: relative; min-height: 100vh; overflow: hidden; padding: calc(var(--header-height) + clamp(24px, 4.2vh, 48px)) 0 clamp(18px, 3vh, 30px); background: radial-gradient(circle at 72% 24%, rgba(71, 169, 255, .15), transparent 27%), linear-gradient(180deg, #f8fbff 0%, #fff 78%, #f5faff 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .45; background-image: linear-gradient(rgba(44, 117, 219, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(44, 117, 219, .09) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, #000 0%, transparent 86%); transform: perspective(900px) rotateX(56deg) scale(1.45) translateY(30%); transform-origin: center bottom; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(10px); pointer-events: none; will-change: transform; }
.hero-orb-blue { width: 460px; height: 460px; right: 11%; top: 10%; background: rgba(67,159,255,.12); animation: hero-orb-roam-one 28s -8s ease-in-out infinite; }
.hero-orb-orange { width: 240px; height: 240px; right: 28%; bottom: 12%; background: rgba(255,128,45,.09); animation: hero-orb-roam-two 24s -13s ease-in-out infinite; }
.hero-orb-cyan { width: 170px; height: 170px; left: 7%; top: 20%; background: rgba(59,207,255,.075); animation: hero-orb-roam-three 31s -4s ease-in-out infinite; }
.hero-orb-violet { width: 210px; height: 210px; left: 37%; bottom: 7%; background: rgba(126,103,255,.07); animation: hero-orb-roam-four 27s -18s ease-in-out infinite; }
.hero-orb-sky { width: 110px; height: 110px; right: 4%; top: 37%; background: rgba(96,177,255,.09); animation: hero-orb-roam-three 22s -15s ease-in-out infinite reverse; }
.hero-orb-coral { width: 130px; height: 130px; left: 24%; top: 10%; background: rgba(255,125,91,.055); animation: hero-orb-roam-two 29s -6s ease-in-out infinite reverse; }
@keyframes hero-orb-roam-one { 0%,100% { transform: translate3d(-4vw,-2vh,0) scale(.96); } 22% { transform: translate3d(8vw,5vh,0) scale(1.07); } 47% { transform: translate3d(-2vw,12vh,0) scale(1.01); } 72% { transform: translate3d(-9vw,3vh,0) scale(1.1); } }
@keyframes hero-orb-roam-two { 0%,100% { transform: translate3d(1vw,1vh,0) scale(1); } 19% { transform: translate3d(-10vw,-7vh,0) scale(.92); } 43% { transform: translate3d(-4vw,9vh,0) scale(1.08); } 68% { transform: translate3d(9vw,4vh,0) scale(.97); } 86% { transform: translate3d(5vw,-8vh,0) scale(1.04); } }
@keyframes hero-orb-roam-three { 0%,100% { transform: translate3d(0,0,0) scale(.95); } 25% { transform: translate3d(11vw,-3vh,0) scale(1.08); } 52% { transform: translate3d(5vw,13vh,0) scale(1); } 77% { transform: translate3d(-7vw,7vh,0) scale(1.12); } }
@keyframes hero-orb-roam-four { 0%,100% { transform: translate3d(-3vw,5vh,0) scale(1.05); } 21% { transform: translate3d(7vw,-9vh,0) scale(.94); } 49% { transform: translate3d(12vw,5vh,0) scale(1.08); } 74% { transform: translate3d(-8vw,-4vh,0) scale(.98); } }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(480px, .86fr) minmax(720px, 1.28fr); gap: clamp(40px, 5vw, 92px); align-items: center; }
.hero-copy { padding-top: 8px; }
.eyebrow { position: relative; display: flex; width: fit-content; align-items: center; gap: 10px; margin: 0 0 20px; padding-bottom: 9px; color: var(--blue); font-size: 17px; font-weight: 800; letter-spacing: .06em; }
.eyebrow::after { position: absolute; bottom: 0; left: 19px; width: calc(100% - 19px); height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left center; content: ""; }
.is-visible .eyebrow::after, .hero .eyebrow::after { animation: eyebrow-line .75s .18s ease forwards; }
.eyebrow > span { position: relative; width: 9px; height: 9px; flex: 0 0 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px rgba(18,104,255,.08); }
.eyebrow > span::after { position: absolute; inset: -5px; border: 2px solid rgba(18,104,255,.34); border-radius: 50%; animation: eyebrow-breathe 2.2s ease-out infinite; content: ""; }
.eyebrow.light { color: #71baff; }
.eyebrow.light::after { background: #71baff; }
.eyebrow.light > span { background: #71baff; box-shadow: 0 0 0 5px rgba(89,177,255,.11); }
.eyebrow.light > span::after { border-color: rgba(113,186,255,.38); }
@keyframes eyebrow-line { to { transform: scaleX(1); } }
@keyframes eyebrow-breathe { 0% { opacity: .8; transform: scale(.55); } 72%,100% { opacity: 0; transform: scale(1.7); } }
.hero h1 { margin: 0; font-size: clamp(54px, 4.6vw, 76px); line-height: 1.08; font-weight: 900; letter-spacing: 0; }
.hero h1 span { color: var(--blue); }
.hero h1 .hero-zhiliao { color: transparent; background: linear-gradient(90deg,#ff5a24 0%,#ff8b22 35%,#ff4f63 68%,#ff6a21 100%); background-size: 240% 100%; background-clip: text; -webkit-background-clip: text; animation: zhiliao-orange-flow 4.2s ease-in-out infinite; }
.hero h1 .hero-ai-name { margin-left: .08em; }
@keyframes zhiliao-orange-flow { 0%,100% { background-position: 0% 50%; filter: saturate(1); } 50% { background-position: 100% 50%; filter: saturate(1.16) brightness(1.06); } }
.hero h2 { margin: 24px 0 18px; color: #164a9d; font-size: clamp(26px, 2.1vw, 34px); line-height: 1.38; font-weight: 800; }
.hero-summary { max-width: 650px; margin: 0; color: #56647a; font-size: 17px; line-height: 1.9; }
.lead-form { display: grid; grid-template-columns: minmax(250px, 1fr) auto; gap: 0; max-width: 630px; margin-top: 32px; padding: 5px; border: 1px solid rgba(18, 104, 255, .18); border-radius: 10px; background: rgba(255,255,255,.9); box-shadow: 0 18px 50px rgba(42, 87, 147, .1); }
.phone-field { display: flex; align-items: center; gap: 12px; padding-inline: 16px; }
.phone-field svg { width: 19px; color: var(--blue); }
.phone-field input { width: 100%; height: 48px; border: 0; outline: 0; color: var(--ink); background: transparent; }
.phone-field input::placeholder { color: #98a2b3; }
.lead-form .button { min-height: 50px; }
.form-status { min-height: 24px; margin-top: 8px; color: var(--success); font-size: 14px; }
.form-status.error { color: #d92d20; }
.hero-assurances { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 8px 0 0; padding: 0; list-style: none; color: #718096; font-size: 14px; }
.hero-assurances li { display: flex; align-items: center; gap: 6px; }
.hero-assurances svg { width: 15px; color: var(--blue); }

.hero-product { position: relative; min-width: 0; padding: 34px 0 26px; }
.app-window { position: relative; z-index: 2; overflow: hidden; min-height: 580px; border: 1px solid rgba(73, 132, 211, .18); border-radius: 12px; background: rgba(255,255,255,.93); box-shadow: 0 40px 100px rgba(42, 82, 139, .18), 0 0 0 8px rgba(255,255,255,.5); backdrop-filter: blur(16px); }
.app-topbar { height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid #e8eef7; }
.app-brand { display: flex; align-items: center; gap: 9px; font-size: 14px; }
.app-brand img { width: 30px; height: 30px; border-radius: 8px; }
.online { display: flex; align-items: center; gap: 7px; color: var(--success); font-size: 12px; }
.online i { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(22,166,106,.1); }
.app-body { min-height: 520px; display: grid; grid-template-columns: 52px 170px minmax(310px, 1fr) 184px; }
.app-sidebar { display: flex; flex-direction: column; align-items: center; gap: 14px; padding-top: 18px; color: #8da1bd; background: linear-gradient(180deg, #0758d8, #063da3); }
.app-sidebar span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; }
.app-sidebar span.active { color: #fff; background: rgba(255,255,255,.16); }
.app-sidebar svg { width: 18px; }
.conversation-list { padding: 14px 10px; border-right: 1px solid #e7edf5; background: #fafcff; }
.search-mock { height: 32px; display: flex; align-items: center; gap: 7px; margin-bottom: 12px; padding: 0 10px; border-radius: 7px; color: #98a2b3; background: #eef3f8; font-size: 11px; }
.search-mock svg { width: 13px; }
.conversation { position: relative; display: flex; flex-direction: column; gap: 3px; padding: 12px 9px; border-radius: 8px; }
.conversation.active { background: #e9f3ff; }
.conversation b { font-size: 11px; }
.conversation small { overflow: hidden; color: #8998ab; font-size: 9px; white-space: nowrap; text-overflow: ellipsis; }
.conversation em { position: absolute; top: 11px; right: 7px; width: 16px; height: 16px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--orange); font-size: 8px; font-style: normal; }
.chat-panel { min-width: 0; background: #fff; }
.chat-panel > header { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border-bottom: 1px solid #e8eef7; }
.chat-panel > header div { display: flex; flex-direction: column; }
.chat-panel > header strong { font-size: 12px; }
.chat-panel > header small { color: #98a2b3; font-size: 8px; }
.chat-panel > header span { display: flex; align-items: center; gap: 4px; color: #667085; font-size: 10px; }
.chat-panel > header svg { width: 13px; }
.messages { display: flex; flex-direction: column; gap: 12px; padding: 18px 14px; }
.message { display: flex; align-items: flex-start; gap: 8px; }
.message.staff { justify-content: flex-end; }
.message p { max-width: 84%; margin: 0; padding: 10px 12px; border-radius: 3px 10px 10px 10px; color: #475467; background: #f1f5f9; font-size: 9px; line-height: 1.55; }
.message.ai p { color: #174b9e; background: #eaf4ff; }
.message.staff p { border-radius: 10px 3px 10px 10px; color: #87431b; background: #fff0e6; }
.avatar { width: 28px; height: 28px; display: grid; flex: 0 0 28px; place-items: center; overflow: hidden; border-radius: 8px; color: #fff; background: #8ba3c2; font-size: 10px; }
.message.staff .avatar { background: var(--orange); }
.avatar img { width: 28px; height: 28px; }
.attachment { display: flex; align-items: center; gap: 8px; align-self: flex-start; margin-left: 36px; padding: 9px 11px; border: 1px solid #e2e8f0; border-radius: 8px; background: #fff; box-shadow: 0 8px 20px rgba(36,74,126,.08); }
.attachment svg { width: 19px; color: #d92d20; }
.attachment span { display: flex; flex-direction: column; }
.attachment b { font-size: 9px; }
.attachment small { color: #98a2b3; font-size: 8px; }
.execution-result { display: flex; align-items: center; gap: 10px; margin-top: 2px; padding: 11px; border: 1px solid #cdecdc; border-radius: 8px; background: #f5fff9; }
.execution-result > svg { width: 20px; color: var(--success); }
.execution-result div { display: flex; flex: 1; flex-direction: column; }
.execution-result strong { font-size: 9px; }
.execution-result small { color: #5f7b6f; font-size: 8px; }
.execution-result button { padding: 5px 7px; border-radius: 5px; color: var(--blue); background: #e8f2ff; font-size: 8px; }
.decision-panel { padding: 15px 12px; border-left: 1px solid #e7edf5; background: #fbfcfe; }
.decision-title { display: flex; justify-content: space-between; align-items: center; }
.decision-title strong { font-size: 11px; }
.decision-title span { padding: 3px 7px; border-radius: 99px; color: var(--success); background: #eafaf2; font-size: 8px; }
.decision-panel dl { display: grid; gap: 5px; margin: 12px 0; padding: 10px; border-radius: 8px; background: #f1f5f9; }
.decision-panel dl div { display: grid; grid-template-columns: 48px 1fr; font-size: 8px; }
.decision-panel dt { color: #98a2b3; }
.decision-panel dd { margin: 0; color: #475467; font-weight: 700; }
.decision-panel dd.high { color: var(--orange); }
.strategy, .takeover, .result-list { margin-top: 10px; }
.strategy > small, .takeover > small, .result-list > small { color: #98a2b3; font-size: 8px; }
.strategy p { margin: 5px 0 0; padding: 9px; border-left: 2px solid var(--blue); color: #31598f; background: #edf5ff; font-size: 8px; }
.takeover > div { display: flex; align-items: center; gap: 7px; margin-top: 5px; padding: 8px; border: 1px solid #e5eaf1; border-radius: 7px; background: #fff; }
.person { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 7px; color: #fff; background: #617999; font-size: 9px; }
.takeover p { display: flex; flex: 1; flex-direction: column; margin: 0; }
.takeover b { font-size: 8px; }
.takeover p small { color: #98a2b3; font-size: 7px; }
.takeover button { padding: 5px 7px; border-radius: 5px; color: #fff; background: var(--blue); font-size: 7px; }
.result-list p { display: flex; align-items: center; gap: 5px; margin: 5px 0 0; color: #4d6d60; font-size: 8px; }
.result-list svg { width: 11px; color: var(--success); }
.float-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid rgba(80,137,211,.2); border-radius: 9px; background: rgba(255,255,255,.94); box-shadow: 0 18px 42px rgba(37,75,129,.15); backdrop-filter: blur(10px); }
.float-card { transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.float-card:hover { transform: translateY(-4px); border-color: rgba(18,104,255,.34); box-shadow: 0 23px 48px rgba(37,75,129,.2); }
.float-card > svg { width: 22px; color: var(--blue); }
.float-card span { display: flex; flex-direction: column; }
.float-card b { font-size: 11px; }
.float-card small { color: #8492a6; font-size: 8px; }
.float-card-top { top: 6px; right: 26px; }
.float-card-bottom { left: 18px; bottom: 0; }
.float-card-bottom > svg { color: var(--orange); }

/* Hero product: a detached WeCom-style conversation with a private configuration window behind it. */
.hero-chat-product { min-height: 610px; padding: 54px 6px 24px 0; }
.private-config-window { position: absolute; z-index: 1; top: 3px; left: -12px; width: 64%; height: 438px; overflow: hidden; border: 1px solid rgba(65,128,215,.2); border-radius: 12px; color: #416080; background: rgba(241,247,255,.94); box-shadow: 0 28px 70px rgba(34,76,136,.14); transform: translate(3px,2px) rotate(-1.2deg); backdrop-filter: blur(8px); }
.private-config-window::after { position: absolute; right: 17px; bottom: 55px; z-index: 4; width: 42%; height: 112px; border: 1px solid rgba(104,148,207,.16); border-radius: 8px; background: rgba(239,246,255,.5); backdrop-filter: blur(4px); content: ""; }
.private-config-window::before { position: absolute; z-index: 5; top: 52px; bottom: 42px; left: -34%; width: 28%; background: linear-gradient(90deg,transparent,rgba(255,255,255,.52),transparent); transform: skewX(-12deg); animation: private-config-scan 5.8s ease-in-out infinite; content: ""; }
.private-config-window header { height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border-bottom: 1px solid rgba(100,151,218,.17); background: rgba(255,255,255,.82); }
.private-config-window header span, .private-config-window header em { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-style: normal; font-weight: 800; }
.private-config-window header svg { width: 15px; color: var(--blue); }
.private-config-window header em { padding: 5px 8px; border-radius: 99px; color: #176a4b; background: #e8f7ef; }
.private-config-body { height: 344px; }
.private-config-content { position: relative; display: grid; align-content: start; gap: 14px; height: 100%; padding: 20px 18px; }
.private-config-content h4 { margin: 0; color: #294b72; font-size: 13px; line-height: 1.3; }
.config-menu-grid { display: grid; grid-template-columns: minmax(0,36%) minmax(0,64%); gap: 10px; width: 100%; }
.config-menu-grid span { min-height: 56px; display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid rgba(94,149,220,.23); border-radius: 8px; color: #496783; background: rgba(255,255,255,.8); font-size: 10px; font-weight: 700; white-space: nowrap; }
.config-menu-grid span > svg { width: 15px; height: 15px; flex: 0 0 15px; color: #6795cc; }
.config-menu-grid .is-active { color: #fff; border-color: #198779; background: linear-gradient(145deg,#229889,#14796e); box-shadow: 0 8px 20px rgba(20,121,110,.18); }
.config-menu-grid .is-active > svg { color: #fff; }
.config-private-preview { position: relative; display: grid; gap: 8px; width: 100%; padding: 12px; overflow: hidden; border: 1px solid rgba(94,149,220,.17); border-radius: 8px; background: rgba(255,255,255,.68); }
.config-private-preview strong { color: #607b98; font-size: 9px; }
.config-private-preview > span { width: 88%; height: 8px; border-radius: 3px; background: linear-gradient(90deg,#b6cee9 0 58%,#e4eef9 58%); filter: blur(1.7px); }
.config-private-preview > span:nth-of-type(2) { width: 68%; }
.config-private-preview small { display: inline-flex; align-items: center; gap: 5px; color: #8ca0b8; font-size: 8px; }
.config-private-preview small svg { width: 11px; }
.private-config-window footer { height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border-top: 1px solid rgba(100,151,218,.15); background: rgba(255,255,255,.84); }
.private-config-window footer span { display: inline-flex; align-items: center; gap: 7px; color: #17724e; font-size: 10px; font-weight: 800; }
.private-config-window footer span i { width: 7px; height: 7px; border-radius: 50%; background: #20b779; box-shadow: 0 0 0 4px rgba(32,183,121,.1); }
.private-config-window footer small { color: #8aa0bb; font-size: 9px; }

.wechat-chat-window { position: relative; z-index: 2; overflow: hidden; width: 68%; min-height: 550px; margin-left: auto; border: 1px solid #d7dce4; border-radius: 12px; background: #f5f6f8; box-shadow: 0 40px 90px rgba(35,69,118,.2),0 0 0 7px rgba(255,255,255,.55); }
.wechat-titlebar { height: 34px; display: flex; align-items: center; justify-content: space-between; padding: 0 13px; color: #69717c; background: #fbfbfc; }
.wechat-titlebar > svg { width: 14px; }
.window-controls { display: flex; height: 100%; align-items: center; gap: 20px; }
.window-controls span { position: relative; width: 13px; height: 13px; }
.window-controls span:first-child::before { position: absolute; top: 6px; left: 0; width: 13px; height: 1px; background: #525a64; content: ""; }
.window-controls span:nth-child(2) { border: 1px solid #525a64; border-radius: 2px; }
.window-controls span:last-child::before, .window-controls span:last-child::after { position: absolute; top: 6px; left: 0; width: 15px; height: 1px; background: #525a64; transform: rotate(45deg); content: ""; }
.window-controls span:last-child::after { transform: rotate(-45deg); }
.wechat-conversation-header { height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; border-bottom: 1px solid #e0e3e8; background: rgba(255,255,255,.92); }
.wechat-conversation-header > div { display: flex; flex-direction: column; }
.wechat-conversation-header strong { color: #202631; font-size: 15px; }
.wechat-conversation-header small { margin-top: 3px; color: #929aa6; font-size: 9px; }
.wechat-conversation-header nav { display: flex; align-items: center; gap: 18px; color: #4b5562; }
.wechat-conversation-header nav svg { width: 20px; }
.wechat-conversation-body { position: relative; min-height: 320px; display: flex; flex-direction: column; gap: 13px; padding: 15px 22px 18px; background: #f3f4f6; }
.wechat-time { align-self: center; color: #a1a7b0; font-size: 8px; }
.wechat-message { display: flex; align-items: flex-start; gap: 9px; }
.wechat-avatar { width: 34px; height: 34px; display: grid; flex: 0 0 34px; place-items: center; overflow: hidden; border-radius: 5px; color: #fff; background: linear-gradient(145deg,#9db5d5,#637eaa); font-size: 10px; font-weight: 800; }
.wechat-avatar img { width: 100%; height: 100%; object-fit: cover; }
.customer-avatar { background: linear-gradient(145deg,#ff9b62,#e45c5c); }
.wechat-message > div { max-width: 79%; }
.wechat-message.ai-message > div { width: min(292px,79%); max-width: calc(100% - 43px); }
.wechat-message b { display: block; margin-bottom: 4px; color: #8e959f; font-size: 9px; font-weight: 600; }
.wechat-message b em { margin-left: 5px; padding: 2px 5px; border-radius: 4px; color: #fff; background: var(--blue); font-size: 7px; font-style: normal; }
.wechat-message p { position: relative; margin: 0; padding: 9px 12px; border-radius: 4px; color: #242a33; background: #fff; box-shadow: 0 1px 1px rgba(32,47,68,.06); font-size: 10px; line-height: 1.55; }
.wechat-message p::before { position: absolute; top: 10px; left: -6px; width: 0; height: 0; border-top: 5px solid transparent; border-right: 7px solid #fff; border-bottom: 5px solid transparent; content: ""; }
.ai-message p { color: #17467e; background: #e9f3ff; }
.ai-message p::before { border-right-color: #e9f3ff; }
.wechat-message.final-reply { margin-top: 2px; }
.wechat-status { display: inline-flex; align-self: flex-start; align-items: center; gap: 6px; margin-left: 43px; padding: 5px 9px; border-radius: 99px; color: #4c78ad; background: rgba(222,237,255,.9); font-size: 8px; }
.wechat-status svg { width: 12px; }
.wechat-status { animation: wechat-status-breathe 2.8s ease-in-out infinite; }
.wechat-composer { position: relative; min-height: 120px; padding: 14px 18px; border-top: 1px solid #dfe3e8; background: #fff; }
.composer-tools { display: flex; align-items: center; gap: 18px; color: #515963; }
.composer-tools svg { width: 18px; }
.composer-caret { width: 2px; height: 24px; margin: 17px 0 0 3px; background: #18b779; animation: composer-blink 1.1s steps(1) infinite; }
.wechat-composer button { position: absolute; right: 18px; bottom: 15px; padding: 7px 19px; border-radius: 5px; color: #a7adb5; background: #edf0f3; font-size: 10px; }
@keyframes composer-blink { 50% { opacity: 0; } }
@keyframes private-config-scan { 0%,36% { left: -34%; opacity: 0; } 48% { opacity: .75; } 68%,100% { left: 118%; opacity: 0; } }
@keyframes wechat-status-breathe { 0%,100% { box-shadow: 0 0 0 0 rgba(18,104,255,0); } 50% { box-shadow: 0 0 0 5px rgba(18,104,255,.055); } }
.js-ready .wechat-message, .js-ready .wechat-status { opacity: 0; transform: translateY(8px); animation: wechat-message-in .46s ease forwards; }
.js-ready .wechat-message:nth-of-type(3) { animation-delay: .2s; }
.js-ready .wechat-status { animation: wechat-message-in .46s .42s ease forwards, wechat-status-breathe 2.8s 1s ease-in-out infinite; }
.js-ready .wechat-message:nth-of-type(5) { animation-delay: .62s; }
@keyframes wechat-message-in { to { opacity: 1; transform: none; } }
.hero-chat-product .float-card-top { top: 20px; right: 4px; }
.hero-chat-product .float-card-bottom { left: 9%; bottom: 4px; }
.hero-capability-bar { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 34px; padding: 20px 26px; border: 1px solid rgba(58,120,207,.13); border-radius: 10px; background: rgba(255,255,255,.92); box-shadow: 0 20px 50px rgba(43,83,140,.09); }
.hero-capability-bar > div { display: flex; align-items: center; gap: 13px; padding: 0 24px; border-right: 1px solid #e1e9f3; transition: transform .25s ease, color .25s ease; }
.hero-capability-bar > div:first-child { padding-left: 0; }
.hero-capability-bar > div:last-child { padding-right: 0; border-right: 0; }
.hero-capability-bar svg { width: 26px; color: var(--blue); transition: transform .25s ease, filter .25s ease; }
.hero-capability-bar span { display: flex; flex-direction: column; }
.hero-capability-bar b { font-size: 18px !important; line-height: 1.35; }
.hero-capability-bar small { margin-top: 3px; color: #8492a6; font-size: 14px !important; line-height: 1.45; }
.hero-capability-bar > div:hover { color: var(--blue-deep); transform: translateY(-3px); }
.hero-capability-bar > div:hover svg { transform: scale(1.12); filter: drop-shadow(0 5px 8px rgba(18,104,255,.24)); }

@media (min-width: 1001px) and (max-height: 940px) {
  .hero { height: 100vh; min-height: 720px; display: flex; flex-direction: column; justify-content: center; padding-top: calc(var(--header-height) + 18px); padding-bottom: 18px; }
  .hero-layout { transform: scale(.9); transform-origin: center center; }
  .hero-capability-bar { margin-top: 4px; padding-block: 14px; }
}

@media (min-width: 1001px) and (max-height: 800px) {
  .hero { min-height: 660px; }
  .hero-layout { transform: scale(.8); }
  .hero-capability-bar { padding-block: 10px; }
}

.section { position: relative; padding: 110px 0; }
.section-heading { max-width: 820px; margin-bottom: 54px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; margin-inline: auto; }
.nowrap-desktop { white-space: nowrap; }
.section-heading h2, .collaboration-copy h2, .execution-copy h2, .why-copy h2, .faq-heading h2 { margin: 0; font-size: clamp(34px, 3vw, 48px); line-height: 1.25; font-weight: 850; }
.section-heading > p:last-child, .collaboration-copy > p, .execution-copy > p, .why-copy > p, .faq-heading > p { margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.dual-role { background: #fff; }
.role-map { display: grid; grid-template-columns: 1fr 220px 1fr; align-items: center; gap: 44px; padding: 42px; border: 1px solid #d7e4f3; border-radius: 12px; background: linear-gradient(90deg,#dcecff 0%,#edf6ff 39%,#fff 50%,#fff4e9 61%,#ffe2cc 100%); box-shadow: var(--shadow); }
.role-column { min-width: 0; }
.role-title { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.role-title > svg { width: 44px; height: 44px; padding: 10px; border-radius: 10px; }
.role-external .role-title > svg { color: var(--blue); background: #e8f3ff; }
.role-internal .role-title > svg { color: var(--orange); background: #fff0e7; }
.role-title span { display: flex; flex-direction: column; }
.role-title small { color: #8a98aa; font-size: 13px; font-weight: 700; }
.role-title strong { font-size: 26px; }
.role-column ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.role-column li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; align-items: center; padding: 15px 17px; border: 1px solid #e1eaf5; border-radius: 8px; background: rgba(255,255,255,.9); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.role-column li:hover { transform: translateX(5px); border-color: rgba(18,104,255,.34); box-shadow: 0 12px 24px rgba(47,91,151,.09); }
.role-internal li:hover { transform: translateX(-5px); border-color: rgba(255,106,33,.36); }
.role-column li b { font-size: 15px; }
.role-column li span { color: #667085; font-size: 13px; }
.role-engine { position: relative; display: flex; min-height: 260px; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.role-engine-visual { position: relative; width: 210px; height: 174px; display: grid; place-items: center; }
.role-engine img { position: relative; z-index: 2; width: 88px; height: 88px; border-radius: 24px; box-shadow: 0 16px 42px rgba(18,104,255,.35), 0 0 24px rgba(255,106,33,.12); }
.role-engine img { transition: transform .3s ease, filter .3s ease; }
.role-engine:hover img { transform: translateY(-4px) scale(1.05); filter: saturate(1.08) brightness(1.04); }
.role-engine strong { position: relative; z-index: 2; margin-top: 18px; font-size: 16px; }
.role-engine small { position: relative; z-index: 2; color: #75859a; font-size: 12px; }
.engine-ring { position: absolute; top: 50%; left: 50%; width: 150px; height: 150px; border: 2px solid rgba(18,104,255,.58); border-radius: 50%; box-shadow: 0 0 24px rgba(18,104,255,.24), inset 0 0 18px rgba(18,104,255,.1); }
.ring-one { animation: engine-pulse 3.6s ease-out infinite; }
.ring-two { border-color: rgba(255,106,33,.48); box-shadow: 0 0 22px rgba(255,106,33,.2), inset 0 0 16px rgba(255,106,33,.08); animation: engine-pulse 3.6s 1.8s ease-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes engine-pulse { 0% { opacity: .9; transform: translate(-50%,-50%) scale(.64); } 72%,100% { opacity: 0; transform: translate(-50%,-50%) scale(1.58); } }

.collaboration { overflow: hidden; background: #f5f9ff; }
.collaboration::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(37,102,192,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(37,102,192,.055) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent, #000 40%, #000 70%, transparent); }
.collaboration-layout { position: relative; display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: center; }
.control-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.control-list article { display: flex; gap: 12px; padding: 18px; border: 1px solid #dce7f4; border-radius: 8px; background: rgba(255,255,255,.85); transition: transform .25s ease, box-shadow .25s ease; }
.control-list article:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(45,86,145,.09); }
.control-list svg { width: 23px; flex: 0 0 23px; color: var(--blue); }
.control-list h3 { margin: 0 0 4px; font-size: 16px; }
.control-list p { margin: 0; color: #77869a; font-size: 13px; }
.collaboration-demo { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 22px; border: 1px solid #d9e5f3; border-radius: 12px; background: linear-gradient(145deg,#edf5ff,#fff7f1); box-shadow: var(--shadow); }
.collaboration-demo::after { display: none; }
.handoff-chat { position: relative; overflow: hidden; min-width: 0; min-height: 470px; border: 1px solid #d8e4f2; border-radius: 10px; background: #fff; box-shadow: 0 15px 34px rgba(43,85,145,.11); transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.handoff-chat:hover { transform: translateY(-5px); border-color: rgba(18,104,255,.3); box-shadow: 0 22px 44px rgba(43,85,145,.16); }
.owner-chat:hover { border-color: rgba(255,106,33,.32); }
.handoff-chat header { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border-bottom: 1px solid #e7eef7; background: #fbfdff; }
.handoff-chat header span { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 800; }
.handoff-chat header svg { width: 18px; color: var(--blue); }
.owner-chat header svg { color: var(--orange); }
.handoff-chat header em { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 99px; color: #15804f; background: #e9f8f0; font-size: 11px; font-style: normal; font-weight: 750; }
.handoff-chat header em svg { width: 13px; color: currentColor; }
.handoff-messages { display: flex; min-height: 410px; flex-direction: column; gap: 15px; padding: 20px 16px; background: linear-gradient(180deg,#f8fbff,#fff); }
.owner-chat .handoff-messages { background: linear-gradient(180deg,#fffaf6,#fff); }
.handoff-message { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.handoff-message b { display: flex; align-items: center; gap: 7px; color: #64748b; font-size: 12px; }
.handoff-message b img { width: 24px; height: 24px; border-radius: 7px; }
.handoff-message p { max-width: 92%; margin: 0; padding: 11px 13px; border-radius: 4px 10px 10px 10px; color: #4f6075; background: #edf2f7; font-size: 13px; }
.handoff-message.ai-reply p { color: #164a9d; background: #e7f2ff; }
.handoff-message.owner { align-items: flex-end; }
.handoff-message.owner p { border-radius: 10px 4px 10px 10px; color: #88431b; background: #ffeadf; }
.handoff-message.group-owner { align-items: flex-end; }
.handoff-message.group-owner b { color: #a24e22; }
.handoff-message.group-owner p { border-radius: 10px 4px 10px 10px; color: #88431b; background: #ffeadf; }
.handoff-message.final { margin-top: auto; }
.handoff-status { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 7px 10px; border-radius: 6px; color: #2d7460; background: #e9faf3; font-size: 11px; }
.handoff-status.orange { color: #a65226; background: #fff0e7; }
.handoff-status svg { width: 14px; }

.capability-section { background: #fff; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.capability-card { position: relative; overflow: hidden; min-height: 420px; padding: 30px 26px; border: 1px solid #dce7f3; border-radius: 10px; background: linear-gradient(180deg,#fff,#f8fbff); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, color .3s ease, background .3s ease; }
.capability-card::after { content: ""; position: absolute; inset: auto -20% -44% 20%; height: 220px; border-radius: 50%; background: rgba(18,104,255,.055); transition: transform .4s ease; }
.capability-card:hover { transform: translateY(-7px); border-color: rgba(255,112,39,.55); color: #fff; background: linear-gradient(145deg,#ff8a2f,#ff5f38 58%,#f44954); box-shadow: 0 24px 50px rgba(232,82,43,.24); }
.capability-card:hover::after { background: rgba(255,255,255,.12); transform: scale(1.2); }
.capability-icon { width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: 36px; border: 1px solid #cfe2ff; border-radius: 18px; color: var(--blue); background: linear-gradient(145deg,#fff,#dfedff); box-shadow: inset 0 1px 1px #fff, 0 13px 26px rgba(26,103,218,.14); transform: rotate(-5deg); }
.capability-icon svg { width: 30px; height: 30px; }
.capability-card > span { position: absolute; top: 30px; right: 26px; color: #d4e2f4; font-size: 42px; font-weight: 900; line-height: 1; }
.capability-card h3 { margin: 0; font-size: 25px; }
.capability-card > p { min-height: 72px; margin: 10px 0 18px; color: #6d7c90; font-size: 14px; }
.capability-card ul { position: relative; z-index: 2; display: grid; gap: 9px; margin: 0; padding: 18px 0 0; border-top: 1px solid #e4ebf4; list-style: none; }
.capability-card li { display: flex; align-items: center; gap: 8px; color: #3f5066; font-size: 14px; }
.capability-card li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.capability-card:hover .capability-icon { color: #fff; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.17); box-shadow: inset 0 1px 1px rgba(255,255,255,.35),0 13px 26px rgba(116,31,15,.16); }
.capability-card:hover > span { color: rgba(255,255,255,.42); }
.capability-card:hover > p, .capability-card:hover li { color: rgba(255,255,255,.92); }
.capability-card:hover ul { border-color: rgba(255,255,255,.3); }
.capability-card:hover li::before { background: #fff; }

.execution-section { background: radial-gradient(circle at 82% 24%,rgba(55,142,255,.12),transparent 34%), linear-gradient(135deg,#e7f1ff 0%,#f5f9ff 52%,#fff1e8 100%); }
.execution-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: center; }
.execution-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.execution-tags span { padding: 8px 13px; border: 1px solid #cfe0f5; border-radius: 6px; color: #245a9f; background: rgba(255,255,255,.8); font-size: 13px; font-weight: 700; transition: transform .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease; }
.execution-tags span:hover { color: var(--blue-deep); border-color: rgba(18,104,255,.38); box-shadow: 0 8px 18px rgba(42,87,147,.09); transform: translateY(-2px); }
.boundary-note { display: flex; align-items: flex-start; gap: 9px; padding: 16px; border-left: 3px solid var(--orange); background: rgba(255,255,255,.65); font-size: 14px !important; line-height: 1.65; }
.boundary-note svg { width: 20px; flex: 0 0 20px; color: var(--orange); }
.workflow-board { position: relative; display: grid; gap: 0; padding: 36px; border: 1px solid #dae6f4; border-radius: 12px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); }
.workflow-step { position: relative; z-index: 2; display: grid; grid-template-columns: 38px 54px 1fr; gap: 15px; align-items: center; padding: 17px 20px; border: 1px solid #e0e8f3; border-radius: 8px; background: #fff; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.workflow-step:hover { z-index: 4; transform: translateX(6px); border-color: rgba(18,104,255,.32); box-shadow: 0 12px 26px rgba(42,87,147,.1); }
.workflow-step.result:hover { border-color: rgba(255,106,33,.38); }
.workflow-step.active { border-color: rgba(18,104,255,.3); background: #f2f7ff; }
.workflow-step.result { border-color: rgba(255,106,33,.3); background: #fff7f1; }
.workflow-step > span { color: #a8b7ca; font-size: 14px; font-weight: 800; }
.workflow-step > svg { width: 42px; height: 42px; padding: 10px; border-radius: 10px; color: var(--blue); background: #e7f1ff; }
.workflow-step.result > svg { color: var(--orange); background: #ffeadc; }
.workflow-step div { display: flex; flex-direction: column; }
.workflow-step b { font-size: 16px; }
.workflow-step small { color: #7b899c; font-size: 13px; }
.workflow-line { position: relative; z-index: 3; height: 31px; margin-left: 77px; overflow: visible; }
.workflow-line::before { content: ""; position: absolute; top: -2px; bottom: 3px; left: 0; width: 2px; background: linear-gradient(var(--blue),#8bc3ff); }
.workflow-line i { position: absolute; z-index: 4; bottom: 3px; left: -4px; width: 10px; height: 10px; border-right: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(45deg); }

.tech-section { overflow: hidden; padding-top: 82px; padding-bottom: 0; color: #fff; background: radial-gradient(circle at 68% 42%, rgba(18,104,255,.27), transparent 30%), linear-gradient(125deg,#04132d,#071f46 55%,#05285a); }
.tech-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(83,158,255,.22) 1px, transparent 1px), linear-gradient(90deg,rgba(83,158,255,.22) 1px,transparent 1px); background-size: 52px 52px; mask-image: radial-gradient(circle at 62% 48%,#000,transparent 67%); }
.tech-layout { position: relative; display: grid; grid-template-columns: .62fr 1.38fr; gap: 52px 70px; align-items: center; }
.tech-copy h2 { margin: 0; font-size: clamp(38px,3.4vw,54px); line-height: 1.25; }
.tech-title-line { white-space: nowrap; }
.tech-copy > p { color: #a9bedc; }
.tech-facts { display: grid; gap: 10px; margin-top: 28px; }
.tech-facts div { display: flex; flex-direction: column; padding: 13px 16px; border-left: 2px solid #3d96ff; background: rgba(255,255,255,.045); transition: transform .24s ease, border-color .24s ease, background .24s ease; }
.tech-facts div:hover { transform: translateX(5px); border-color: var(--orange); background: rgba(255,255,255,.075); }
.tech-facts b { font-size: 14px; }
.tech-facts span { color: #8ea8cc; font-size: 12px; }
.tech-system { position: relative; min-height: 400px; display: grid; grid-template-columns: 155px 1fr 155px; align-items: center; gap: 24px; }
.system-side { display: grid; gap: 14px; }
.system-side span { position: relative; padding: 12px 14px; border: 1px solid rgba(82,155,255,.33); border-radius: 7px; color: #bfd6f5; background: rgba(10,47,99,.7); font-size: 12px; text-align: center; box-shadow: 0 0 24px rgba(33,114,233,.1); transition: transform .24s ease, border-color .24s ease, color .24s ease, box-shadow .24s ease; }
.system-side span:hover { color: #fff; border-color: rgba(91,181,255,.75); box-shadow: 0 0 28px rgba(33,135,255,.22); transform: translateY(-3px); }
.system-side.agents span::after, .system-side.systems span::before { content: ""; position: absolute; top: 50%; width: 25px; height: 1px; background: linear-gradient(90deg,#2d8dff,transparent); }
.system-side.agents span::after { right: -25px; }
.system-side.systems span::before { left: -25px; transform: rotate(180deg); }
.system-core { display: flex; flex-direction: column; align-items: center; transform: translate(-32px, 26px); }
.screen-stack { position: relative; width: 430px; max-width: 100%; height: 310px; perspective: 1100px; }
.screen { position: absolute; overflow: hidden; inset: 0; border: 1px solid rgba(77,157,255,.7); border-radius: 9px; background: #0b3977; box-shadow: 0 0 45px rgba(28,116,255,.25); }
.screen.back-one { transform: translate(92px,-72px) scale(.8); opacity: .3; box-shadow: 0 0 38px rgba(28,116,255,.2); }
.screen.back-two { transform: translate(48px,-38px) scale(.9); opacity: .55; box-shadow: 0 0 42px rgba(28,116,255,.23); }
.screen.front { background: linear-gradient(145deg,#0b3c7d,#071f49); box-shadow: 0 24px 65px rgba(0,10,35,.42),0 0 45px rgba(28,116,255,.28); }
.screen-content { height: calc(100% - 34px); padding: 12px; }
.screen-content main { height: 100%; display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.screen-content section { position: relative; display: flex; min-width: 0; flex-direction: column; align-items: center; justify-content: center; padding: 14px 9px 30px; border: 1px solid rgba(87,158,255,.34); border-radius: 6px; background: linear-gradient(155deg,rgba(18,104,255,.22),rgba(255,255,255,.035)); text-align: center; }
.screen-content section > svg { width: 28px; margin-bottom: 12px; color: #69b2ff; }
.screen-content section > b { color: #d8e9ff; font-size: 12px; }
.screen-content section > small { margin-top: 5px; color: #7598c5; font-size: 9px; }
.screen-content section > em { position: absolute; right: 8px; top: 8px; display: flex; gap: 3px; }
.screen-content section > em span { width: 3px; height: 3px; border-radius: 50%; background: #659ad9; }
.screen footer { height: 34px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 0 12px; border-top: 1px solid rgba(101,166,255,.24); background: rgba(3,18,45,.78); }
.screen footer time { margin-left: auto; color: #79a1d1; font-size: 8px; }
.windows-start { display: grid; grid-template-columns: 4px 4px; gap: 1px; }
.windows-start i { width: 4px; height: 4px; background: #61aaff; }
.task-app { width: 17px; height: 17px; border-radius: 4px; background: rgba(105,167,240,.28); }
.task-app.active { background: #2d8dff; box-shadow: 0 0 10px rgba(45,141,255,.5); }
.system-core > b { margin-top: 12px; color: #77baff; font-size: 15px; }
.system-core > small { color: #7e9ec8; font-size: 11px; }
.mcp-node { position: absolute; right: 205px; top: 50%; width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid #47a5ff; border-radius: 50%; color: #8bcbff; background: #08295a; box-shadow: 0 0 30px rgba(52,151,255,.34); transform: translate(50%,-50%); font-size: 11px; font-weight: 800; }
.tech-capabilities { grid-column: 1 / -1; align-self: end; display: grid; grid-template-columns: repeat(4,1fr); margin-top: 0; border-top: 1px solid rgba(105,164,236,.18); }
.tech-capabilities span { display: flex; align-items: center; justify-content: center; gap: 9px; padding: 20px 12px; border-right: 1px solid rgba(105,164,236,.18); color: #bdd2ef; font-size: 13px; transition: color .24s ease, background .24s ease; }
.tech-capabilities span:hover { color: #fff; background: rgba(57,145,255,.09); }
.tech-capabilities span:hover svg { transform: scale(1.12); }
.tech-capabilities span:first-child { border-left: 1px solid rgba(105,164,236,.18); }
.tech-capabilities span:last-child { border-right: 1px solid rgba(105,164,236,.18); }
.tech-capabilities svg { width: 20px; color: #59aaff; transition: transform .24s ease; }

.demo-section { background: #fff; }
.demo-heading { max-width: 940px; }
.section-heading.split { max-width: none; display: grid; grid-template-columns: 1fr 430px; align-items: end; gap: 50px; }
.section-heading.split > p { margin: 0; }
.demo-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.demo-card { overflow: hidden; border: 1px solid #dfe8f3; border-radius: 10px; background: #fff; transition: transform .3s ease, box-shadow .3s ease; }
.demo-card:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(43,85,145,.13); }
.demo-poster { position: relative; overflow: hidden; height: 250px; display: grid; place-items: center; }
.demo-poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg,transparent,rgba(255,255,255,.28)); }
.demo-poster > svg { position: relative; z-index: 2; width: 88px; height: 88px; opacity: .8; }
.demo-blue { color: #2475e8; background: radial-gradient(circle at 70% 20%,rgba(255,255,255,.9),transparent 27%),linear-gradient(135deg,#dceeff,#8fc5ff); }
.demo-orange { color: #e7692a; background: radial-gradient(circle at 26% 24%,rgba(255,255,255,.9),transparent 24%),linear-gradient(135deg,#fff0df,#ffc594); }
.demo-cyan { color: #149bc7; background: radial-gradient(circle at 72% 18%,rgba(255,255,255,.9),transparent 24%),linear-gradient(135deg,#dffaff,#93deed); }
.demo-poster button { position: absolute; z-index: 5; bottom: 18px; left: 18px; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: rgba(5,33,73,.82); cursor: pointer; transition: transform .25s ease; }
.demo-card:hover .demo-poster button { transform: scale(1.08); }
.demo-poster button svg { width: 19px; margin-left: 2px; }
.mini-chat { position: absolute; right: 24px; bottom: 24px; display: grid; gap: 7px; }
.mini-chat span { width: 130px; height: 14px; border-radius: 8px; background: rgba(255,255,255,.7); }
.mini-chat span:nth-child(2) { width: 94px; margin-left: 36px; background: rgba(18,104,255,.24); }
.pause-wave { position: absolute; width: 180px; height: 180px; border: 2px solid rgba(255,106,33,.25); border-radius: 50%; box-shadow: 0 0 0 30px rgba(255,106,33,.08),0 0 0 60px rgba(255,106,33,.04); }
.file-stack { position: absolute; right: 22px; bottom: 22px; display: flex; gap: 5px; }
.file-stack span { padding: 6px 8px; border-radius: 5px; color: #177ca0; background: rgba(255,255,255,.76); font-size: 9px; font-weight: 800; }
.demo-card > div:last-child { padding: 22px 24px 26px; }
.demo-card > div:last-child > span { color: var(--blue); font-size: 12px; font-weight: 800; }
.demo-card h3 { margin: 7px 0 8px; font-size: 20px; }
.demo-card p { margin: 0; color: #6c7b8f; font-size: 14px; }

.industry-section { background: #f6f9fd; }
.industry-heading { max-width: 1160px; }
.industry-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.industry-card { position: relative; overflow: hidden; min-height: 390px; border: 1px solid #dce7f3; border-radius: 9px; background: #fff; transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease, color .28s ease, background .28s ease; }
.industry-card figure { position: relative; overflow: hidden; height: 205px; margin: 0; background: #dfeaf7; }
.industry-card figure::after { position: absolute; inset: 0; background: linear-gradient(180deg,transparent 55%,rgba(8,25,54,.32)); content: ""; }
.industry-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease, filter .45s ease; }
.industry-card > div { padding: 16px 20px 18px; }
.industry-card:hover { transform: translateY(-6px); border-color: rgba(255,112,39,.55); color: #fff; background: linear-gradient(145deg,#ff8a2f,#ff5f38 58%,#f44954); box-shadow: 0 20px 38px rgba(232,82,43,.23); }
.industry-card:hover figure img { transform: scale(1.06); filter: saturate(1.08); }
.industry-card > div > svg { width: 42px; height: 42px; padding: 10px; border-radius: 10px; color: var(--blue); background: #e7f1ff; }
.industry-card h3 { margin: 12px 0 6px; font-size: 19px; }
.industry-card p { min-height: 54px; margin: 0; color: #6d7b8e; font-size: 14px; line-height: 1.65; }
.industry-card span { display: block; margin-top: 10px; padding-top: 10px; border-top: 1px solid #e5ecf4; color: #486586; font-size: 12px; font-weight: 700; }
.industry-card:hover > div > svg { color: #fff; background: rgba(255,255,255,.18); }
.industry-card:hover p, .industry-card:hover span { color: rgba(255,255,255,.92); }
.industry-card:hover span { border-color: rgba(255,255,255,.3); }
.fit-boundary { margin: 28px 0 0; padding: 20px 24px; border: 1px solid #cbdcf0; border-left: 4px solid var(--blue); color: #4d627c; background: linear-gradient(90deg,#dceaff,#edf5ff 62%,#e6f0fc); box-shadow: inset 0 1px 0 rgba(255,255,255,.75); font-size: 14px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.fit-boundary:hover { transform: translateY(-3px); border-color: rgba(18,104,255,.34); box-shadow: inset 0 1px 0 rgba(255,255,255,.75), 0 13px 26px rgba(42,87,147,.09); }
.fit-boundary b { color: #244d82; }

.why-section { background: #fff; }
.why-layout { display: grid; grid-template-columns: 390px minmax(0,1fr); gap: 28px; align-items: stretch; }
.why-copy, .onboarding { padding: 34px; border: 1px solid #dce6f2; border-radius: 10px; }
.why-copy { background: linear-gradient(145deg,#f0f7ff,#fff); }
.why-copy h2 { font-size: 36px; line-height: 1.4; }
.why-copy > p { margin-top: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 28px; font-weight: 750; }
.why-copy .text-link.button { min-height: 46px; padding-inline: 20px; color: #fff; }
.text-link svg { width: 17px; }
.why-title-line { white-space: nowrap; }
.why-stats { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border: 1px solid rgba(113,161,222,.35); border-radius: 10px; color: #fff; background: #132b55; box-shadow: none; }
.why-stats article { position: relative; min-width: 0; min-height: 270px; display: grid; grid-template-columns: minmax(0,1fr) minmax(170px,40%); gap: 18px; align-items: center; padding: 30px 24px 30px 34px; border-right: 1px solid rgba(139,180,232,.24); border-bottom: 1px solid rgba(139,180,232,.24); background: radial-gradient(circle at 86% 18%,rgba(77,129,205,.16),transparent 34%), #132b55; }
.why-stats article:nth-child(2n) { border-right: 0; }
.why-stats article:nth-child(n+3) { border-bottom: 0; }
.why-stats article:nth-child(4) { grid-template-columns: minmax(0,1fr) minmax(150px,36%); gap: 12px; }
.why-stat-copy { position: relative; z-index: 3; }
.why-stat-copy h3 { display: flex; align-items: baseline; gap: 12px; margin: 0 0 22px; white-space: nowrap; }
.why-stat-copy strong { color: #78baff; font-size: 42px; line-height: 1; }
.why-stat-copy span { color: #fff; font-size: 17px; font-weight: 750; }
.why-stat-copy p { margin: 0; color: #bac9df; font-size: 15px; line-height: 1.85; }
.why-stats figure { position: relative; z-index: 2; width: 100%; margin: 0; transform: rotate(3deg); transition: transform .35s ease; }
.why-stats article:nth-child(2) figure { transform: rotate(-4deg); }
.why-stats article:nth-child(3) figure { transform: rotate(-3deg); }
.why-stats article:nth-child(4) figure { transform: rotate(2deg); }
.why-stats figure::before { position: absolute; z-index: 3; top: -10px; left: 50%; width: 62px; height: 20px; background: linear-gradient(90deg,rgba(61,160,255,.82),rgba(255,106,33,.78)); box-shadow: 0 4px 10px rgba(16,34,71,.22); transform: translateX(-50%) rotate(-2deg); content: ""; }
.why-stats article:nth-child(4) .why-stat-copy strong { font-size: 36px; }
.why-stats article:nth-child(4) .why-stat-copy h3 { gap: 8px; }
.why-stats figure::after { position: absolute; z-index: -1; inset: 8px -8px -8px 8px; border: 1px solid rgba(109,154,224,.58); content: ""; }
.why-stats img { width: 100%; aspect-ratio: 1.42; border: 9px solid #edf4fc; object-fit: cover; box-shadow: 0 16px 30px rgba(2,14,38,.32); transition: transform .45s ease, filter .45s ease; }
.why-stats article:hover figure { transform: rotate(0) translateY(-4px); }
.why-stats article:hover img { transform: scale(1.025); filter: brightness(1.05); }
.onboarding { grid-column: 1 / -1; display: grid; grid-template-columns: 270px 1fr; gap: 38px; align-items: center; }
.onboarding h3 { margin: 0 0 22px; font-size: 23px; }
.onboarding h3 { margin: 0; }
.onboarding ol { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.onboarding li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid #e7edf5; }
.onboarding li { padding-inline: 18px; border-right: 1px solid #e7edf5; border-bottom: 0; transition: transform .24s ease, background .24s ease; }
.onboarding li:hover { transform: translateY(-3px); background: linear-gradient(180deg,rgba(255,106,33,.055),transparent); }
.onboarding li:hover > span { transform: scale(1.08); }
.onboarding li:last-child { border-right: 0; }
.onboarding li > span { color: var(--orange); font-size: 13px; font-weight: 900; transition: transform .24s ease; }
.onboarding li div { display: flex; flex-direction: column; }
.onboarding li b { font-size: 18px !important; line-height: 1.35; }
.onboarding li small { margin-top: 6px; color: #77869a; font-size: 14px !important; line-height: 1.65; }

.faq-section { background: linear-gradient(135deg,#f1f7ff,#fff); }
.faq-layout { display: grid; grid-template-columns: 520px 1fr; gap: 64px; align-items: start; }
.faq-heading { position: sticky; top: calc(var(--header-height) + 40px); }
.faq-heading h2 { font-size: 40px; line-height: 1.42; }
.faq-heading > p { margin-top: 30px; }
.faq-heading > a { margin-top: 28px; }
.faq-heading > a svg { width: 18px; }
.faq-list { border-top: 1px solid #d5e1f0; }
.faq-list details { overflow: hidden; border-bottom: 1px solid #d5e1f0; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 4px; cursor: pointer; font-size: 17px; font-weight: 750; list-style: none; transition: color .24s ease, padding .24s ease, background .24s ease; }
.faq-list summary:hover { padding-inline: 12px; color: var(--blue-deep); background: rgba(18,104,255,.035); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { width: 20px; flex: 0 0 20px; color: var(--orange); transition: transform .25s ease; }
.faq-list details[open] summary svg { transform: rotate(45deg); }
.faq-list details p { overflow: hidden; max-height: 0; margin: -4px 0 0; padding-right: 50px; color: #66758a; font-size: 14px; opacity: 0; transform: translateY(-6px); transition: max-height .38s ease, margin .38s ease, opacity .28s ease, transform .38s ease; }
.faq-list details.is-expanded p { margin-bottom: 22px; opacity: 1; transform: none; }

.consult-section { padding: 100px 0; background: #fff; }
.consult-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; padding: 56px 64px; border-radius: 12px; color: #fff; background: radial-gradient(circle at 10% 15%,rgba(50,148,255,.32),transparent 30%),linear-gradient(120deg,#061a3c,#073b85); }
.consult-card::after { content: ""; position: absolute; right: -110px; bottom: -200px; width: 420px; height: 420px; border: 1px solid rgba(80,162,255,.25); border-radius: 50%; box-shadow: 0 0 0 45px rgba(80,162,255,.06),0 0 0 90px rgba(80,162,255,.035); }
.consult-copy, .consult-form { position: relative; z-index: 2; }
.consult-copy h2 { margin: 0; font-size: 32px; line-height: 1.28; white-space: nowrap; }
.consult-copy > p { color: #b7cae4; }
.consult-contact { display: grid; gap: 12px; margin-top: 30px; }
.consult-contact a { display: flex; align-items: center; gap: 12px; }
.consult-contact a > svg { width: 36px; height: 36px; padding: 9px; border-radius: 8px; color: #81c2ff; background: rgba(255,255,255,.08); }
.consult-contact span { display: flex; flex-direction: column; }
.consult-contact small { color: #8eabd0; font-size: 12px; }
.consult-contact b { font-size: 15px; }
.consult-form { align-self: center; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: end; padding: 34px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; background: rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.consult-form label { display: flex; flex-direction: column; gap: 7px; }
.consult-form label > span { color: #c9d7ea; font-size: 12px; font-weight: 700; }
.consult-form em { color: #ff8b53; font-style: normal; }
.consult-form input, .consult-form select, .consult-form textarea { width: 100%; border: 1px solid rgba(255,255,255,.16); border-radius: 7px; outline: 0; color: #fff; background: rgba(4,20,49,.5); transition: border-color .2s ease, box-shadow .2s ease; }
.consult-form input, .consult-form select { height: 46px; padding: 0 12px; }
.consult-form textarea { resize: vertical; min-height: 86px; padding: 11px 12px; }
.consult-form input::placeholder, .consult-form textarea::placeholder { color: #7792b6; }
.consult-form input:focus, .consult-form select:focus, .consult-form textarea:focus { border-color: #54a8ff; box-shadow: 0 0 0 3px rgba(84,168,255,.15); }
.consult-form select option { color: var(--ink); background: #fff; }
.consult-form .button { width: auto; min-width: 220px; min-height: 46px; }
.form-wide { grid-column: 1 / -1; }
.privacy { display: flex; flex-direction: row !important; align-items: center; gap: 6px !important; margin: -4px 0 0; color: #8ea8ca; font-size: 11px; }
.privacy svg { width: 14px; }
.consult-form .form-status { margin: -8px 0 0; }

.product-footer { color: #58677a; background: #f6f8fb; }
.footer-main { display: grid; grid-template-columns: 1.6fr .65fr .75fr 1.1fr; gap: 60px; padding-top: 58px; padding-bottom: 44px; }
.footer-brand .brand { align-items: flex-start; font-size: 19px; font-weight: 600; }
.footer-brand .brand-mark { transform: translateY(-8px); }
.footer-brand .brand-name { padding-top: 3px; font-family: inherit; font-size: 19px !important; font-weight: 600; line-height: 1.4; letter-spacing: 0; }
.footer-brand p { margin: 18px 0 0; color: #778497; font-size: 14px; line-height: 1.9; }
.footer-main > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-main h3 { margin: 0 0 10px; color: #253348; font-size: 18px !important; line-height: 1.3; }
.footer-main a, .footer-main > div > p { margin: 0; color: #6e7d90; font-size: 15px !important; }
.footer-main a:hover { color: var(--blue); }
.footer-contact-column { overflow: visible; }
.footer-contact-card { position: relative; display: inline-flex !important; width: min(100%,330px); min-height: 72px; justify-content: center; flex-direction: column; padding: 13px 17px; border: 1px solid rgba(18,104,255,.16); border-radius: 8px; background: #fff; transition: border-color .24s ease, box-shadow .24s ease, transform .24s ease; }
.footer-contact-card:hover { border-color: rgba(18,104,255,.38); box-shadow: 0 14px 30px rgba(15,23,42,.08); transform: translateY(-1px); }
.footer-contact-card > span { color: #667085; font-size: 14px !important; font-weight: 700; }
.footer-contact-card > strong { margin-top: 3px; color: #17243a; font-size: 18px; line-height: 1.25; }
.footer-contact-qr { position: absolute; z-index: 20; left: 0; bottom: calc(100% + 12px); width: 190px; padding: 12px; border: 1px solid #dce5ef; border-radius: 8px; background: #fff; box-shadow: 0 20px 48px rgba(15,23,42,.16); opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .22s ease, visibility .22s ease, transform .22s ease; pointer-events: none; }
.footer-contact-card:hover .footer-contact-qr, .footer-contact-card:focus .footer-contact-qr { opacity: 1; visibility: visible; transform: none; }
.footer-contact-qr img { width: 100%; height: auto; }
.footer-contact-qr small { display: block; margin-top: 7px; color: #667085; font-size: 14px !important; text-align: center; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 18px; padding-bottom: 22px; border-top: 1px solid #dfe5ed; color: #8a96a6; font-size: 12px; }
.footer-bottom a:hover { color: var(--blue); }
.new-float-box { position: fixed; z-index: 9999; top: 50%; right: 0; transform: translateY(-50%); }
.new-float-box ul { margin: 0; padding: 0; overflow: visible; border: 1px solid rgba(18,104,255,.13); border-right: 0; border-radius: 12px 0 0 12px; background: rgba(255,255,255,.96); box-shadow: 0 18px 38px rgba(15,23,42,.1); backdrop-filter: blur(12px); list-style: none; }
.new-float-box li { position: relative; width: 104px; height: 90px; border-bottom: 1px solid rgba(15,23,42,.06); transition: background .24s ease, transform .24s ease; }
.new-float-box li:last-child { border-bottom: 0; }
.new-float-box li:hover { background: rgba(18,104,255,.06); transform: translateX(-2px); }
.new-float-box a, .new-float-box button { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; flex-direction: column; padding: 0; color: #1f2937; background: transparent; cursor: pointer; }
.new-float-box i { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 8px; border-radius: 50%; background: linear-gradient(135deg,#1268ff,#2aa4ff); box-shadow: 0 10px 22px rgba(18,104,255,.2); }
.new-float-box i img { width: 28px; height: 28px; object-fit: contain; }
.new-float-box span { color: #1f2937; font-size: 12px; line-height: 1; white-space: nowrap; }
.phone-popup, .wechat-popup { position: absolute; z-index: 2; top: 50%; right: calc(100% + 14px); border-radius: 8px; background: #fff; box-shadow: 0 12px 34px rgba(15,23,42,.18); opacity: 0; visibility: hidden; transform: translate(8px,-50%); transition: opacity .22s ease, visibility .22s ease, transform .22s ease; pointer-events: none; }
.phone-popup { padding: 12px 18px; color: #fff; background: var(--blue); font-size: 14px; white-space: nowrap; }
.wechat-popup { width: 188px; padding: 12px; }
.wechat-popup img { width: 100%; height: auto; }
.new-float-box li:hover .phone-popup, .new-float-box li:hover .wechat-popup, .new-float-box li:focus-within .phone-popup, .new-float-box li:focus-within .wechat-popup { opacity: 1; visibility: visible; transform: translate(0,-50%); }
.back-top { position: fixed; z-index: 900; right: 24px; bottom: 24px; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid #d8e2ee; border-radius: 8px; color: var(--blue); background: rgba(255,255,255,.94); box-shadow: 0 10px 24px rgba(38,75,128,.12); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s ease; }
.back-top.visible { opacity: 1; visibility: visible; transform: none; }
.back-top svg { width: 20px; }

/* Page copy stays readable at 14px minimum; scaled product UI demos keep their native proportions. */
.float-card b,
.float-card small,
.hero-capability-bar small,
.role-title small,
.role-column li span,
.role-engine small,
.control-list p,
.execution-tags span,
.boundary-note,
.workflow-step small,
.tech-facts span,
.tech-capabilities span,
.demo-card > div:last-child > span,
.industry-card span,
.fit-boundary,
.why-stats span,
.onboarding li > span,
.onboarding li small,
.consult-contact small,
.privacy,
.footer-bottom,
.footer-main a,
.footer-main > div > p { font-size: 14px; }

body .site-header :where(a, button, span),
body main > section :where(p, li, a, button, input, textarea, select, label, summary, small, span):not(.app-window *, .hero-chat-product *, .tech-system *, .demo-poster *),
body .product-footer :where(p, a, span, small) { font-size: max(14px, 1em); }
.site-header .brand-name,
.product-footer .brand-name { font-family: inherit; font-size: 19px !important; font-weight: 600; line-height: 1.4; letter-spacing: 0; }
.site-header .header-nav a { font-family: inherit; font-size: 16px !important; font-weight: 600; line-height: 1.4; letter-spacing: 0; }
.eyebrow { font-size: 17px !important; }

/* Title groups enter in three readable stages: eyebrow, headline, then supporting copy. */
.js-ready :is(.section-heading, .collaboration-copy, .execution-copy, .tech-copy, .why-copy, .faq-heading) > .eyebrow,
.js-ready .consult-card .consult-copy > .eyebrow { opacity: .38; transform: translate3d(-16px,0,0); transition: opacity .52s ease, transform .62s cubic-bezier(.2,.75,.2,1); }
.js-ready :is(.section-heading, .collaboration-copy, .execution-copy, .tech-copy, .why-copy, .faq-heading) > h2,
.js-ready .consult-card .consult-copy > h2 { opacity: .55; transform: translate3d(0,18px,0); transition: opacity .62s .1s ease, transform .72s .1s cubic-bezier(.2,.75,.2,1); }
.js-ready :is(.section-heading, .collaboration-copy, .execution-copy, .tech-copy, .why-copy, .faq-heading) > p:last-of-type,
.js-ready .consult-card .consult-copy > p:last-of-type { opacity: .5; transform: translate3d(0,13px,0); transition: opacity .62s .22s ease, transform .72s .22s cubic-bezier(.2,.75,.2,1); }
.js-ready :is(.section-heading, .collaboration-copy, .execution-copy, .tech-copy, .why-copy, .faq-heading).is-visible > :is(.eyebrow, h2, p:last-of-type),
.js-ready .consult-card.is-visible .consult-copy > :is(.eyebrow, h2, p:last-of-type) { opacity: 1; transform: none; }

.reveal-item { opacity: 1; transform: none; }
.js-ready .reveal-item { opacity: .82; transform: translateY(22px); filter: saturate(.9); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1), filter .7s ease; }
.js-ready .reveal-item.is-visible { opacity: 1; transform: none; }
.js-ready .reveal-item.is-visible { filter: none; }

@media (max-width: 1320px) {
  .shell { width: min(var(--shell), calc(100% - 48px)); }
  .hero-layout { grid-template-columns: minmax(420px,.8fr) minmax(620px,1.2fr); gap: 42px; }
  .app-body { grid-template-columns: 48px 145px minmax(280px,1fr) 165px; }
  .industry-grid { grid-template-columns: repeat(3,1fr); }
  .industry-card p { min-height: auto; }
  .tech-system { grid-template-columns: 130px 1fr 130px; }
  .mcp-node { right: 145px; }
}

@media (max-width: 1100px) {
  .header-nav { display: none; }
  .header-actions { margin-left: auto; }
  .hero { min-height: auto; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; padding-top: 30px; }
  .hero-product { max-width: 900px; margin-inline: auto; }
  .hero-capability-bar { grid-template-columns: 1fr 1fr; gap: 20px 0; }
  .hero-capability-bar > div:nth-child(2) { border-right: 0; }
  .hero-capability-bar > div:nth-child(3) { padding-left: 0; }
  .role-map { grid-template-columns: 1fr; }
  .role-engine { min-height: 220px; }
  .collaboration-layout, .execution-layout, .tech-layout { grid-template-columns: 1fr; gap: 55px; }
  .tech-copy { max-width: 700px; }
  .tech-system { width: min(780px,100%); margin-inline: auto; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .section-heading.split { grid-template-columns: 1fr; gap: 18px; }
  .nowrap-desktop { white-space: normal; }
  .demo-grid { grid-template-columns: 1fr 1fr; }
  .why-layout { grid-template-columns: 1fr; }
  .why-stats { grid-column: 1; }
  .onboarding { grid-column: 1; grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 430px 1fr; gap: 42px; }
  .consult-card { gap: 45px; padding: 48px; }
  .footer-main { grid-template-columns: 1.2fr repeat(3,1fr); gap: 30px; }
}

@media (max-width: 767px) {
  :root { --header-height: 64px; }
  body { font-size: 14px; }
  .shell { width: calc(100% - 32px); }
  .site-header { background: rgba(255,255,255,.9); backdrop-filter: blur(14px); }
  .header-inner { gap: 12px; }
  .brand { gap: 8px; font-size: 15px; }
  .brand-mark { width: 46px; height: 46px; flex-basis: 46px; }
  .site-header .brand-name, .product-footer .brand-name { font-size: 16px !important; }
  .header-phone { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #d7e3f1; border-radius: 8px; }
  .header-phone span { display: none; }
  .header-actions { gap: 8px; }
  .button-small { min-height: 38px; padding-inline: 13px; font-size: 12px; }
  .hero { padding-top: calc(var(--header-height) + 48px); }
  .hero-layout { display: block; }
  .hero-copy { width: 100%; max-width: 100%; }
  .hero-copy > * { max-width: 100%; }
  .hero h1 { font-size: 45px; }
  .hero h2 { font-size: 24px; }
  .hero-summary { font-size: 15px; }
  .lead-form { grid-template-columns: 1fr; gap: 6px; padding: 6px; }
  .phone-field { border-bottom: 1px solid #e6edf6; }
  .hero-assurances { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-product { width: 740px; max-width: none; transform: scale(.47); transform-origin: left top; margin-top: 20px; margin-bottom: -300px; }
  .app-window { min-height: 580px; }
  .float-card { display: none; }
  .hero-capability-bar { grid-template-columns: 1fr; margin-top: 10px; padding: 10px 18px; }
  .hero-capability-bar > div { padding: 16px 0; border-right: 0; border-bottom: 1px solid #e1e9f3; }
  .hero-capability-bar > div:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .collaboration-copy h2, .execution-copy h2, .why-copy h2, .faq-heading h2 { font-size: 31px; }
  .section-heading > p:last-child, .collaboration-copy > p, .execution-copy > p, .why-copy > p, .faq-heading > p { font-size: 15px; }
  .role-map { gap: 24px; padding: 22px 16px; }
  .role-column li { grid-template-columns: 88px 1fr; padding: 13px 12px; }
  .role-column li:hover { transform: none; }
  .control-list { grid-template-columns: 1fr; }
  .collaboration-demo { grid-template-columns: 1fr; }
  .collaboration-demo::after { display: none; }
  .handoff-chat { min-height: auto; }
  .handoff-messages { min-height: 360px; }
  .demo-chat { min-height: 390px; padding: 18px 14px; }
  .demo-msg p { max-width: 78%; font-size: 13px; }
  .capability-grid, .demo-grid, .industry-grid, .why-layout, .faq-layout, .consult-card { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: 1fr; }
  .why-stats article { min-height: 230px; grid-template-columns: minmax(0,1fr) minmax(120px,42%); padding: 26px 18px 26px 22px; border-right: 0; border-bottom: 1px solid rgba(139,180,232,.24); }
  .why-stats article:nth-child(n+3) { border-bottom: 1px solid rgba(139,180,232,.24); }
  .why-stats article:last-child { border-bottom: 0; }
  .why-stat-copy strong { font-size: 34px; }
  .why-stat-copy span { font-size: 15px; }
  .why-stats img { border-width: 6px; }
  .capability-card { min-height: auto; }
  .capability-card > p { min-height: auto; }
  .workflow-board { padding: 18px 14px; }
  .workflow-step { grid-template-columns: 28px 44px 1fr; gap: 10px; padding: 14px 10px; }
  .workflow-step > svg { width: 38px; height: 38px; }
  .workflow-line { margin-left: 49px; }
  .tech-system { min-height: 520px; grid-template-columns: 1fr 1fr; align-items: start; }
  .tech-title-line { white-space: normal; }
  .system-core { grid-column: 1 / -1; grid-row: 1; }
  .screen-stack { width: 310px; height: 210px; }
  .system-side { margin-top: 20px; }
  .system-side span::before, .system-side span::after, .mcp-node { display: none; }
  .tech-capabilities { grid-template-columns: 1fr 1fr; }
  .tech-capabilities span:nth-child(2) { border-right: 0; }
  .tech-capabilities span { justify-content: flex-start; }
  .demo-poster { height: 220px; }
  .industry-card { min-height: auto; }
  .industry-card figure { height: 150px; }
  .onboarding { grid-column: auto; }
  .onboarding ol { grid-template-columns: 1fr; }
  .onboarding li { padding-inline: 0; border-right: 0; border-bottom: 1px solid #e7edf5; }
  .onboarding li:last-child { border-bottom: 0; }
  .faq-heading { position: static; }
  .faq-list summary { font-size: 15px; }
  .faq-list details p { padding-right: 10px; }
  .consult-card { gap: 34px; padding: 36px 20px; }
  .consult-copy h2 { font-size: 31px; }
  .consult-copy h2 { white-space: normal; }
  .consult-form { grid-template-columns: 1fr; padding: 18px; }
  .form-wide { grid-column: auto; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px 20px; padding-top: 42px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .new-float-box { top: auto; right: 0; bottom: 0; left: 0; width: 100%; transform: none; }
  .new-float-box ul { display: flex; border-radius: 12px 12px 0 0; }
  .new-float-box li { width: auto; height: 72px; flex: 1 1 0; }
  .new-float-box i { width: 34px; height: 34px; margin-bottom: 5px; }
  .new-float-box i img { width: 23px; height: 23px; }
  .phone-popup, .wechat-popup { top: auto; right: auto; bottom: calc(100% + 8px); left: 50%; transform: translate(-50%,8px); }
  .new-float-box li:hover .phone-popup, .new-float-box li:hover .wechat-popup, .new-float-box li:focus-within .phone-popup, .new-float-box li:focus-within .wechat-popup { transform: translate(-50%,0); }
  .back-top { right: 12px; bottom: 84px; width: 42px; height: 42px; }
}

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