:root {
  --ink: #20352c;
  --muted: #5c6a62;
  --green: #255b43;
  --deep: #173e32;
  --cream: #f8f8f2;
  --line: #dce2d8;
  --soft: #eef2e9;
  --gold: #d8b66c;
  --font: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, figure, dl { margin: 0; }
h1, h2, h3 { line-height: 1.18; }
em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; color: var(--green); }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: 1; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #b07f32; outline-offset: 5px; }
::selection { color: var(--deep); background: #deebbb; }
.container { width: min(1200px, calc(100% - 88px)); margin-inline: auto; }
.icon { width: 21px; height: 21px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.mono { font: 11px/1.5 Consolas, monospace; letter-spacing: .08em; }
.micro { font-size: 10px; font-weight: 650; letter-spacing: .13em; color: var(--muted); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 25px; color: var(--green); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; }
.status-dot { display: inline-block; width: 7px; height: 7px; flex-shrink: 0; border-radius: 50%; background: currentColor; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 14px 23px; border: 1px solid var(--green); border-radius: 6px; background: var(--green); color: white; font-size: 13px; font-weight: 600; transition: background .18s, transform .18s; }
.button:hover { background: var(--deep); transform: translateY(-2px); }
.button-small { min-height: 41px; padding: 9px 17px; gap: 10px; font-size: 12px; }
.button-small .icon { width: 16px; height: 16px; }
.full-width { width: 100%; }
.text-link, .light-link { display: inline-flex; align-items: center; gap: 13px; font-size: 13px; font-weight: 600; }
.text-link:hover, .light-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.skip-link { position: fixed; top: 10px; left: 20px; z-index: 100; transform: translateY(-150%); padding: 12px 20px; color: white; background: var(--deep); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(248,248,242,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(15px); }
.header-inner { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; font-size: 25px; font-weight: 700; letter-spacing: -.8px; white-space: nowrap; }
.brand-dot { color: var(--green); }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; position: relative; width: 30px; height: 33px; margin-right: 11px; border: 1.5px solid var(--green); border-radius: 8px 2px 8px 2px; color: var(--green); font-size: 23px; font-weight: 500; font-family: Georgia, serif; }
.brand-mark span { position: absolute; width: 4px; height: 4px; right: -2px; top: -2px; background: var(--green); }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 12px; font-weight: 550; }
.site-nav > a:not(.button):hover { color: var(--green); text-decoration: underline; text-underline-offset: 6px; }
.language-link { padding-left: 22px; border-left: 1px solid var(--line); }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 74px; padding-top: 79px; padding-bottom: 73px; }
.hero-copy { padding-bottom: 10px; }
h1 { font-size: clamp(62px, 6.15vw, 91px); line-height: 1.025; letter-spacing: -.058em; font-weight: 600; }
h1 em { letter-spacing: -.065em; }
.hero-lead { max-width: 470px; margin-top: 29px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 30px; }
.hero-footnote { display: flex; align-items: center; gap: 8px; margin-top: 25px; font-size: 11px; color: var(--muted); }
.hero-footnote .icon { width: 16px; height: 16px; }
.hero-visual { min-width: 0; position: relative; }
.visual-caption { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 11px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.workspace-window { border: 1px solid #c8d5c7; background: white; border-radius: 11px; box-shadow: 0 22px 45px -25px #47634d80; overflow: hidden; }
.window-bar { display: flex; justify-content: space-between; align-items: center; min-height: 40px; padding: 0 15px; background: #eff3ec; border-bottom: 1px solid var(--line); color: #526154; font-size: 10px; }
.window-bar > .icon { height: 13px; width: 13px; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 5px; height: 5px; background: #b3c3b3; border-radius: 50%; }
.workspace-heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 24px 26px 18px; }
.workspace-heading h2 { max-width: 260px; margin-top: 7px; font-size: 22px; line-height: 1.22; letter-spacing: -.6px; font-weight: 600; }
.workspace-icon { display: grid; place-items: center; width: 43px; height: 43px; flex-shrink: 0; color: var(--green); border: 1px solid var(--line); border-radius: 50%; }
.document-stage { position: relative; height: 256px; margin: 0 15px; overflow: hidden; border: 1px solid #e4e8de; border-radius: 5px; background-color: #f0f3e9; background-image: radial-gradient(#c9d7c5 1px, transparent 1px); background-size: 17px 17px; }
.document-stage::before { content: ""; position: absolute; inset: 30px 50px 40px; border: 1px dashed #aabc9f; border-radius: 8px; }
.document-sheet { position: absolute; width: 215px; height: 270px; top: 27px; left: 50%; padding: 22px; transform: translateX(-50%) rotate(-6deg); background: #fffefa; box-shadow: 0 5px 14px #55684722; border: 1px solid #e0e4d6; }
.sheet-label { color: #5d6e59; font: 7px Consolas, monospace; letter-spacing: .08em; }
.sheet-title { font: 23px/1.1 Georgia, serif; color: #294c37; margin: 16px 0; }
.sheet-line { height: 3px; background: #dfe5d8; margin-bottom: 6px; }
.sheet-line.short { width: 66%; }
.sheet-line.medium { width: 85%; }
.sheet-figure { height: 80px; margin: 15px 0; display: flex; justify-content: center; align-items: center; }
.sheet-figure span { display: block; width: 46px; height: 46px; border: 1px solid #6e9075; transform: rotate(30deg); background: #e6eee1; margin-left: -9px; }
.sheet-figure span:nth-child(2) { background: #c8dcb6; transform: rotate(30deg) translateY(-7px); }
.asset-badge { position: absolute; left: 14px; right: 14px; bottom: 22px; display: flex; align-items: center; gap: 11px; padding: 13px 15px; border: 1px solid #ccd8c5; border-radius: 7px; background: rgba(255,255,250,.97); box-shadow: 0 6px 18px #2d523019; }
.asset-badge strong { display: block; font-size: 12px; font-weight: 650; }
.asset-badge div > span { display: block; margin-top: 2px; font-size: 9px; color: var(--muted); }
.asset-icon { display: grid; place-items: center; width: 33px; height: 38px; border: 1px solid #c4d7be; border-radius: 5px; background: #edf4e6; color: var(--green); }
.asset-check { margin-left: auto; color: var(--green); }
.asset-check .icon { width: 18px; height: 18px; }
.protection-tag { position: absolute; right: 14px; top: 18px; display: flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 4px; background: var(--green); color: #fff; font-size: 9px; box-shadow: 0 3px 8px #255b4320; }
.protection-tag .icon { width: 12px; height: 12px; }
.workspace-people { padding: 19px 26px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.person { display: flex; align-items: center; gap: 9px; }
.person strong { display: block; font-size: 10px; font-weight: 650; }
.person div > span { display: block; color: var(--muted); font-size: 9px; }
.avatar { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; font-size: 11px; font-weight: 600; }
.avatar.owner { color: var(--green); background: #e3edda; }
.avatar.partner { color: #735422; background: #f4e6c8; }
.connection { flex: 1; text-align: center; color: #84967b; }
.hero-visual figcaption { display: flex; align-items: center; gap: 7px; margin-top: 15px; font-size: 9px; color: #596d59; }
.hero-visual figcaption .status-dot { width: 5px; height: 5px; }
.hero-bottom { display: flex; justify-content: space-between; align-items: center; gap: 22px; padding-block: 25px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; }
.hero-bottom p { font: italic 19px Georgia, serif; color: var(--green); }
.hero-bottom > span { color: var(--muted); }
.scroll-cue { font-size: 22px; }

.section { padding-block: 100px; }
.section-intro { display: grid; grid-template-columns: 1.3fr 1fr; gap: 90px; align-items: end; margin-bottom: 43px; }
.section-intro .eyebrow { margin-bottom: 19px; }
.section-intro h2, .security-intro h2, .pilot-layout h2, .closing h2 { font-size: clamp(34px, 3.45vw, 48px); letter-spacing: -.045em; font-weight: 550; }
.section-intro > p { max-width: 375px; padding-bottom: 4px; font-size: 14px; color: var(--muted); line-height: 1.85; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 8px; background: #fdfdf9; overflow: hidden; }
.value-card { position: relative; padding: 30px 30px 26px; }
.value-card + .value-card { border-left: 1px solid var(--line); }
.number { display: block; font: 10px Consolas, monospace; color: #65715f; }
.feature-icon { display: block; height: 30px; width: 30px; margin: 32px 0 22px; stroke: var(--green); fill: none; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.value-card h3 { font-size: 20px; font-weight: 550; letter-spacing: -.04em; }
.value-card p { margin-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.card-label { display: block; margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--green); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; }

.workflow-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.workflow-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 60px; }
.flow-steps { display: grid; gap: 8px; }
.flow-step { width: 100%; display: flex; align-items: flex-start; gap: 21px; padding: 23px 22px; border: 1px solid transparent; border-radius: 7px; text-align: left; background: transparent; transition: border-color .18s, background .18s; }
.flow-step:hover { background: #f8faf3; }
.flow-step.active { background: #fffef8; border-color: #c7d4bd; box-shadow: 0 3px 8px #34432a04; }
.step-number { padding-top: 2px; color: #506346; font: 13px Consolas, monospace; }
.flow-step.active .step-number { color: var(--green); }
.flow-step > span:nth-child(2) { flex: 1; }
.flow-step strong { display: block; font-size: 17px; font-weight: 600; letter-spacing: -.025em; }
.flow-step strong + span { display: block; max-width: 315px; margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.75; }
.flow-step > .icon { width: 18px; height: 18px; margin-top: 3px; opacity: 0; }
.flow-step.active > .icon { opacity: 1; }
.flow-preview { border: 1px solid #c7d4bd; background: #fdfef9; border-radius: 8px; overflow: hidden; box-shadow: 0 20px 35px -25px #31513555; }
.preview-caption { display: flex; align-items: center; gap: 8px; padding: 15px 23px; background: #e3eadb; border-bottom: 1px solid #c7d4bd; font-size: 9px; font-weight: 650; color: #355033; letter-spacing: .07em; }
.preview-caption .status-dot { width: 5px; height: 5px; }
.preview-caption .mono { margin-left: auto; font-size: 9px; }
.preview-panel { min-height: 379px; padding: 28px 30px; }
.preview-symbol { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 15px; border: 1px solid #ccd8c0; border-radius: 9px; background: #eef3e7; color: var(--green); }
.preview-panel h3 { font-size: 24px; letter-spacing: -.045em; font-weight: 550; }
.preview-panel > p { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 8px; }
.preview-file { display: flex; gap: 10px; align-items: center; padding: 13px; margin: 24px 0 12px; border: 1px solid var(--line); border-radius: 5px; font-size: 12px; }
.preview-file .icon { height: 19px; width: 19px; color: var(--green); }
.file-type { margin-left: auto; padding: 2px 5px; background: var(--soft); font-size: 8px; color: var(--muted); border-radius: 3px; }
.preview-facts { margin-top: 19px; }
.preview-facts > div { display: flex; justify-content: space-between; gap: 17px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 11px; }
.preview-facts dt { color: var(--muted); }
.preview-facts dd { margin: 0; text-align: right; font-weight: 600; }
.preview-footer { padding: 13px 23px; border-top: 1px solid var(--line); color: #57694f; background: #f5f7ef; font-size: 9px; }
.mini-editor { margin-top: 20px; border: 1px solid var(--line); background: white; border-radius: 5px; padding-bottom: 18px; }
.mini-editor > div { display: flex; align-items: center; gap: 7px; padding: 10px; background: var(--soft); border-bottom: 1px solid var(--line); }
.mini-editor i { width: 28px; height: 3px; background: #b6c6aa; }
.mini-editor strong { display: block; margin: 15px 22px 11px; font: 18px Georgia, serif; }
.mini-editor > span { display: block; height: 3px; margin: 7px 22px; background: #e1e8da; }
.mini-editor > span:last-child { width: 55%; }
.preview-tip { display: flex; align-items: center; gap: 7px; margin-top: 16px; font-size: 10px; color: var(--green); }
.preview-tip .icon { height: 14px; width: 14px; }
.revision-card { display: flex; align-items: center; gap: 13px; padding: 18px; margin-top: 19px; border: 1px solid var(--line); border-radius: 5px; }
.revision-card.selected { margin-top: 10px; border-color: #a3bb92; background: #f0f5e9; }
.revision-dot { flex-shrink: 0; width: 8px; height: 8px; border: 1px solid #9eb58e; border-radius: 50%; }
.selected .revision-dot { background: var(--green); border-color: var(--green); }
.revision-card strong { display: block; font-size: 12px; }
.revision-card div > span { display: block; font-size: 10px; color: var(--muted); margin-top: 3px; }
.revision-card .icon { margin-left: auto; width: 17px; height: 17px; color: var(--green); }
.preview-panel .preview-disclaimer { margin-top: 25px; padding-left: 13px; border-left: 2px solid #be9857; font-size: 11px; }

.teams-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.team-card { border: 1px solid var(--line); border-radius: 7px; padding: 14px 14px 26px; background: #fdfdf9; }
.team-card > p, .team-card > h3 { margin-inline: 15px; }
.team-card .micro { margin-top: 22px; font-size: 9px; }
.team-card h3 { margin-top: 9px; font-size: 24px; letter-spacing: -.045em; font-weight: 550; }
.team-card h3 + p { margin-top: 12px; font-size: 13px; color: var(--muted); line-height: 1.8; max-width: 460px; }
.team-illustration { height: 177px; position: relative; overflow: hidden; border-radius: 3px; }
.blueprint { background-color: #e8eedd; background-image: linear-gradient(#d7e0cb 1px, transparent 1px), linear-gradient(90deg, #d7e0cb 1px, transparent 1px); background-size: 26px 26px; }
.blueprint-circle { position: absolute; width: 120px; height: 120px; border: 1px solid #648160; border-radius: 50%; left: 40%; top: 29px; }
.blueprint-circle::before { content: ""; position: absolute; inset: 17px; border: 1px dashed #8da67b; border-radius: 50%; }
.blueprint-circle::after { content: ""; position: absolute; width: 152px; height: 1px; background: #7e956c; top: 50%; left: -16px; }
.blueprint-square { position: absolute; width: 65px; height: 65px; border: 1px solid #6c895d; background: #d4e0c6bb; left: calc(40% - 36px); top: 54px; transform: rotate(-30deg); }
.blueprint-cross { position: absolute; right: 22px; top: 12px; color: #688460; font: 25px Consolas, monospace; }
.blueprint-caption { position: absolute; bottom: 14px; left: 16px; font: 9px Consolas, monospace; color: #556d4d; letter-spacing: .13em; }
.papers { background: #f0eadd; }
.paper-back, .paper-front { position: absolute; display: block; width: 106px; height: 140px; left: 41%; top: 22px; border: 1px solid #d1c5af; background: #fffdf7; }
.paper-back { transform: rotate(-16deg); left: 34%; background: #e3d7c1; }
.paper-front { transform: rotate(8deg); padding: 27px 17px; }
.paper-front i { display: block; height: 3px; margin-bottom: 11px; background: #d9d1bf; }
.paper-front i:first-child { height: 6px; width: 80%; background: #b4a284; }
.paper-front b { display: block; margin-top: 17px; font: italic 21px Georgia, serif; color: #638052; }
.paper-stamp { position: absolute; top: 33px; right: 16%; transform: rotate(-9deg); border: 1px solid #9f7e4f; border-radius: 3px; padding: 5px 12px; background: #f1e5cb; color: #79613d; font: 10px Consolas, monospace; letter-spacing: .1em; }
.support-note { display: flex; align-items: center; gap: 10px; font-size: 11px; color: var(--muted); margin-top: 23px; }
.support-note .icon { width: 16px; height: 16px; }

.security-section { background: var(--deep); color: #f4f6ec; }
.security-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 105px; align-items: center; }
.security-intro .eyebrow { color: #b9cea4; }
.security-intro em { color: #c0d5a2; }
.security-intro > p:not(.eyebrow) { margin-top: 25px; max-width: 460px; color: #c2d2c5; font-size: 13px; line-height: 1.85; }
.light-link { color: #d9e8c0; margin-top: 25px; }
.security-list article { display: flex; gap: 24px; padding: 24px 0; border-bottom: 1px solid #43614e; }
.security-list article:first-child { padding-top: 0; }
.security-list article:last-child { border: 0; padding-bottom: 0; }
.security-list article > span { font: 11px Consolas, monospace; color: #b0c895; padding-top: 6px; }
.security-list h3 { font-size: 20px; font-weight: 550; letter-spacing: -.03em; }
.security-list p { color: #c2d2c5; font-size: 12px; line-height: 1.8; margin-top: 10px; }

.pilot-section { padding-bottom: 94px; }
.pilot-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 104px; align-items: center; }
.pilot-lead { margin-top: 25px; color: var(--muted); font-size: 14px; max-width: 440px; line-height: 1.85; }
.pilot-status { display: flex; align-items: center; gap: 8px; margin-top: 28px; color: #526449; font-size: 11px; line-height: 1.8; }
.pilot-status .status-dot { width: 6px; height: 6px; }
.pilot-card { border: 1px solid #ced8c3; border-radius: 9px; background: #fefef9; padding: 32px; box-shadow: 0 10px 35px #32412406; }
.pilot-card > .micro { color: var(--green); }
.pilot-card h3 { margin-top: 13px; font-size: 29px; font-weight: 550; letter-spacing: -.04em; }
.pilot-card ol { list-style: none; padding: 0; margin: 25px 0 28px; }
.pilot-card li { display: flex; gap: 17px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.pilot-card li:last-child { padding-bottom: 0; border: 0; }
.pilot-card li > span { color: #536846; padding-top: 3px; font: 11px Consolas, monospace; }
.pilot-card strong { font-size: 13px; font-weight: 650; }
.pilot-card li p { margin-top: 3px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.pilot-card-note { margin-top: 13px; font-size: 10px; line-height: 1.8; color: var(--muted); text-align: center; }

.faq-section { border-top: 1px solid var(--line); padding-top: 70px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 85px; }
.faq-layout h2 { max-width: 330px; font-size: 40px; letter-spacing: -.045em; font-weight: 550; }
.faq-layout .eyebrow { margin-bottom: 17px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 21px 30px 21px 0; list-style: none; font-size: 14px; font-weight: 600; line-height: 1.65; cursor: pointer; }
.faq-list details:first-child summary { padding-top: 0; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; font-size: 22px; line-height: 1; color: var(--green); font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details > p { padding: 0 30px 22px 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.closing { padding-block: 65px; background: #e6ebd9; border-top: 1px solid #d6ddc6; border-bottom: 1px solid #d6ddc6; }
.closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.closing .eyebrow { margin-bottom: 19px; }
.closing h2 { font-size: clamp(34px, 3.4vw, 47px); }
.closing .button { flex-shrink: 0; }
.site-footer { padding: 39px 0 23px; }
.footer-main { display: flex; align-items: center; gap: 25px; }
.footer-main > p { color: var(--muted); font: italic 14px Georgia, serif; }
.footer-main nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 23px; margin-left: auto; font-size: 11px; color: var(--muted); }
.footer-main nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-main .brand { font-size: 21px; }
.footer-main .brand-mark { transform: scale(.85); transform-origin: left; margin-right: 5px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 28px; color: #65715f; font-size: 10px; }

html[lang="zh-CN"] em { font-family: var(--font); font-style: normal; font-weight: 550; }
html[lang="zh-CN"] h1 { font-size: clamp(44px, 4.3vw, 62px); line-height: 1.3; letter-spacing: -.065em; }
html[lang="zh-CN"] .section-intro h2, html[lang="zh-CN"] .security-intro h2, html[lang="zh-CN"] .pilot-layout h2, html[lang="zh-CN"] .closing h2 { font-size: clamp(28px, 2.8vw, 40px); line-height: 1.4; }
html[lang="zh-CN"] .hero-lead { line-height: 1.95; }
html[lang="zh-CN"] .eyebrow { letter-spacing: .08em; }

@media (max-width: 1130px) {
  .container { width: calc(100% - 64px); }
  .hero-grid { gap: 38px; }
  .hero-actions { gap: 18px; }
  .site-nav { gap: 19px; }
  .section-intro, .security-layout, .pilot-layout { gap: 48px; }
  .workflow-layout { gap: 30px; }
  .flow-step { padding: 22px 16px; gap: 15px; }
  .footer-main { flex-wrap: wrap; }
  .footer-main nav { gap: 17px; }
}

@media (max-width: 940px) {
  .header-inner { min-height: 70px; flex-wrap: wrap; gap: 0 24px; }
  .brand { font-size: 23px; }
  .site-nav { width: 100%; justify-content: flex-start; flex-wrap: wrap; gap: 20px; padding: 18px 0; }
  .js .site-nav { display: none; padding: 18px 0 24px; }
  .js .site-nav.open { display: flex; }
  .menu-toggle { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 4px; padding: 9px 12px; background: transparent; font-size: 12px; }
  .menu-lines { display: block; width: 15px; height: 8px; border-top: 1px solid; border-bottom: 1px solid; }
  .menu-toggle[aria-expanded="true"] .menu-lines { height: 1px; border-bottom: 0; transform: rotate(-35deg); }
  .hero-grid { grid-template-columns: 1fr; padding-top: 60px; gap: 46px; padding-bottom: 45px; }
  .hero-copy { max-width: 620px; }
  h1 { font-size: 80px; }
  .hero-lead { max-width: 540px; }
  .hero-visual { width: 100%; max-width: 570px; margin: 0 auto; }
  .hero-bottom { flex-wrap: wrap; }
  .hero-bottom > span:not(.scroll-cue) { max-width: 400px; }
  .section { padding-block: 75px; }
  .section-intro { grid-template-columns: 1fr; gap: 23px; }
  .section-intro > p { max-width: 550px; }
  .section-intro h2, .security-intro h2, .pilot-layout h2 { font-size: 43px; }
  .value-card { padding: 23px; }
  .value-card h3 { font-size: 19px; }
  .workflow-layout { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .flow-step { padding: 18px 14px; gap: 12px; }
  .flow-step strong { font-size: 16px; }
  .flow-step > .icon { display: none; }
  .flow-preview { max-width: 600px; width: 100%; margin-inline: auto; }
  .security-layout, .pilot-layout { grid-template-columns: 1fr; gap: 40px; }
  .security-intro > p:not(.eyebrow), .pilot-lead { max-width: 590px; }
  .security-list { max-width: 650px; }
  .pilot-card { max-width: 600px; width: 100%; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-layout h2 { max-width: none; }
  .closing-inner { align-items: flex-start; flex-direction: column; }
  .footer-main nav { width: 100%; justify-content: flex-start; margin-left: 0; }
  html[lang="zh-CN"] h1 { font-size: clamp(45px, 7vw, 67px); }
}

@media (max-width: 600px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .site-nav { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a:not(.button) { padding: 12px 0; }
  .language-link { border-left: 0; }
  .site-nav .button { margin-top: 8px; }
  .hero-grid { padding-top: 44px; gap: 35px; }
  .eyebrow { margin-bottom: 20px; font-size: 10px; }
  h1 { font-size: clamp(48px, 11vw, 66px); }
  .hero-lead { font-size: 14px; line-height: 1.85; margin-top: 24px; }
  .hero-actions { margin-top: 25px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .hero-footnote { font-size: 10px; }
  .workspace-heading { padding: 20px 18px 16px; }
  .workspace-heading h2 { font-size: 21px; }
  .workspace-icon { width: 37px; height: 37px; }
  .document-stage { margin-inline: 11px; }
  .asset-badge { left: 10px; right: 10px; gap: 8px; padding: 11px; }
  .asset-badge strong { font-size: 11px; }
  .asset-badge div > span { font-size: 8px; }
  .asset-icon { flex-shrink: 0; }
  .workspace-people { padding: 18px; gap: 8px; }
  .connection { display: none; }
  .hero-visual figcaption { align-items: flex-start; line-height: 1.6; }
  .hero-visual figcaption .status-dot { margin-top: 5px; }
  .hero-bottom { position: relative; gap: 9px; padding-block: 20px; }
  .hero-bottom > span:not(.scroll-cue) { padding-right: 20px; font-size: 10px; }
  .scroll-cue { position: absolute; right: 0; top: 22px; }
  .section { padding-block: 60px; }
  .section-intro { margin-bottom: 30px; gap: 18px; }
  .section-intro h2, .security-intro h2, .pilot-layout h2, .closing h2 { font-size: 33px; }
  .section-intro > p { font-size: 13px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { padding: 26px; }
  .value-card + .value-card { border-left: 0; border-top: 1px solid var(--line); }
  .feature-icon { margin: 23px 0 18px; }
  .value-card h3 { font-size: 22px; }
  .card-label { margin-top: 22px; }
  .workflow-layout { gap: 23px; }
  .flow-steps { gap: 7px; }
  .flow-step { flex-direction: column; padding: 15px 13px; gap: 9px; }
  .flow-step strong { font-size: 13px; line-height: 1.35; }
  .flow-step strong + span { font-size: 10px; margin-top: 7px; }
  .step-number { font-size: 11px; }
  .preview-panel { padding: 24px 20px; min-height: 390px; }
  .preview-panel h3 { font-size: 24px; }
  .preview-caption, .preview-footer { padding-inline: 18px; }
  .teams-grid { grid-template-columns: 1fr; gap: 20px; }
  .team-card { padding: 11px 11px 24px; }
  .team-card h3 { font-size: 23px; }
  .support-note { align-items: flex-start; font-size: 10px; }
  .support-note .icon { margin-top: 2px; }
  .security-list article { gap: 17px; }
  .security-list h3 { font-size: 19px; }
  .pilot-card { padding: 25px; }
  .pilot-card h3 { font-size: 27px; }
  .pilot-status { align-items: flex-start; font-size: 10px; }
  .pilot-status .status-dot { margin-top: 6px; }
  .faq-layout { gap: 30px; }
  .faq-layout h2 { font-size: 33px; }
  .faq-list summary { font-size: 13px; }
  .closing { padding-block: 45px; }
  .closing-inner > .button { width: 100%; font-size: 12px; }
  .footer-main { gap: 13px 20px; }
  .footer-main nav { gap: 17px; margin-top: 8px; }
  .footer-bottom { flex-direction: column; gap: 8px; font-size: 9px; }
  html[lang="zh-CN"] h1 { font-size: clamp(32px, 8.8vw, 49px); }
  html[lang="zh-CN"] .section-intro h2, html[lang="zh-CN"] .security-intro h2, html[lang="zh-CN"] .pilot-layout h2, html[lang="zh-CN"] .closing h2 { font-size: clamp(24px, 6.5vw, 31px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
  .site-header { position: static; }
  .site-nav, .hero-actions, .closing .button, .pilot-card .button { display: none; }
  .container { width: 100%; }
  .section { padding-block: 30px; }
  .security-section { background: white; color: var(--ink); }
  .security-section p, .security-section em { color: var(--ink); }
  .flow-preview { box-shadow: none; }
}